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-rw-r--r--tikzit/src/Makefile.am135
-rw-r--r--tikzit/src/common/BasicMapTable.h50
-rw-r--r--tikzit/src/common/BasicMapTable.m75
-rw-r--r--tikzit/src/common/CircleShape.h33
-rw-r--r--tikzit/src/common/CircleShape.m55
-rw-r--r--tikzit/src/common/ColorRGB.h64
-rw-r--r--tikzit/src/common/ColorRGB.m326
-rw-r--r--tikzit/src/common/Edge.h331
-rw-r--r--tikzit/src/common/Edge.m525
-rw-r--r--tikzit/src/common/EdgeStyle.h60
-rw-r--r--tikzit/src/common/EdgeStyle.m114
-rw-r--r--tikzit/src/common/Graph.h279
-rw-r--r--tikzit/src/common/Graph.m599
-rw-r--r--tikzit/src/common/GraphChange.h266
-rw-r--r--tikzit/src/common/GraphChange.m324
-rw-r--r--tikzit/src/common/GraphElementData.h94
-rw-r--r--tikzit/src/common/GraphElementData.m141
-rw-r--r--tikzit/src/common/GraphElementProperty.h91
-rw-r--r--tikzit/src/common/GraphElementProperty.m127
-rw-r--r--tikzit/src/common/Grid.h110
-rw-r--r--tikzit/src/common/Grid.m179
-rw-r--r--tikzit/src/common/NSError+Tikzit.h43
-rw-r--r--tikzit/src/common/NSError+Tikzit.m64
-rw-r--r--tikzit/src/common/NSFileManager+Utils.h29
-rw-r--r--tikzit/src/common/NSFileManager+Utils.m46
-rw-r--r--tikzit/src/common/NSString+LatexConstants.h33
-rw-r--r--tikzit/src/common/NSString+LatexConstants.m204
-rw-r--r--tikzit/src/common/Node.h134
-rw-r--r--tikzit/src/common/Node.m173
-rw-r--r--tikzit/src/common/NodeStyle.h118
-rw-r--r--tikzit/src/common/NodeStyle.m176
-rw-r--r--tikzit/src/common/PickSupport.h152
-rw-r--r--tikzit/src/common/PickSupport.m171
-rw-r--r--tikzit/src/common/Preambles.h66
-rw-r--r--tikzit/src/common/Preambles.m240
-rw-r--r--tikzit/src/common/PropertyHolder.h36
-rw-r--r--tikzit/src/common/PropertyHolder.m68
-rw-r--r--tikzit/src/common/RColor.h50
-rw-r--r--tikzit/src/common/RColor.m33
-rw-r--r--tikzit/src/common/RectangleShape.h33
-rw-r--r--tikzit/src/common/RectangleShape.m54
-rw-r--r--tikzit/src/common/RegularPolyShape.h34
-rw-r--r--tikzit/src/common/RegularPolyShape.m70
-rw-r--r--tikzit/src/common/RenderContext.h156
-rw-r--r--tikzit/src/common/Shape.h42
-rw-r--r--tikzit/src/common/Shape.m141
-rw-r--r--tikzit/src/common/ShapeNames.h27
-rw-r--r--tikzit/src/common/StyleManager.h51
-rw-r--r--tikzit/src/common/StyleManager.m339
-rw-r--r--tikzit/src/common/SupportDir.h36
-rw-r--r--tikzit/src/common/SupportDir.m65
-rw-r--r--tikzit/src/common/TikzGraphAssembler.h58
-rw-r--r--tikzit/src/common/TikzGraphAssembler.m169
-rw-r--r--tikzit/src/common/TikzShape.h34
-rw-r--r--tikzit/src/common/TikzShape.m87
-rw-r--r--tikzit/src/common/Transformer.h154
-rw-r--r--tikzit/src/common/Transformer.m221
-rw-r--r--tikzit/src/common/test/color.m76
-rw-r--r--tikzit/src/common/test/common.m32
-rw-r--r--tikzit/src/common/test/parser.m78
-rw-r--r--tikzit/src/common/test/test.h41
-rw-r--r--tikzit/src/common/test/test.m104
-rw-r--r--tikzit/src/common/tikzlexer.lm101
-rw-r--r--tikzit/src/common/tikzparser.ym178
-rw-r--r--tikzit/src/common/util.h113
-rw-r--r--tikzit/src/common/util.m113
-rw-r--r--tikzit/src/linux/CairoRenderContext.h59
-rw-r--r--tikzit/src/linux/CairoRenderContext.m346
-rw-r--r--tikzit/src/linux/ColorRGB+Gtk.h30
-rw-r--r--tikzit/src/linux/ColorRGB+Gtk.m46
-rw-r--r--tikzit/src/linux/ColorRGB+IntegerListStorage.h32
-rw-r--r--tikzit/src/linux/ColorRGB+IntegerListStorage.m57
-rw-r--r--tikzit/src/linux/Configuration.h447
-rw-r--r--tikzit/src/linux/Configuration.m446
-rw-r--r--tikzit/src/linux/Edge+Render.h33
-rw-r--r--tikzit/src/linux/Edge+Render.m208
-rw-r--r--tikzit/src/linux/EdgeStyle+Storage.h29
-rw-r--r--tikzit/src/linux/EdgeStyle+Storage.m49
-rw-r--r--tikzit/src/linux/FileChooserDialog.h56
-rw-r--r--tikzit/src/linux/FileChooserDialog.m152
-rw-r--r--tikzit/src/linux/GraphInputHandler.h69
-rw-r--r--tikzit/src/linux/GraphInputHandler.m410
-rw-r--r--tikzit/src/linux/GraphRenderer.h105
-rw-r--r--tikzit/src/linux/GraphRenderer.m607
-rw-r--r--tikzit/src/linux/InputDelegate.h76
-rw-r--r--tikzit/src/linux/MainWindow.h215
-rw-r--r--tikzit/src/linux/MainWindow.m997
-rw-r--r--tikzit/src/linux/Menu.h99
-rw-r--r--tikzit/src/linux/Menu.m779
-rw-r--r--tikzit/src/linux/NSError+Glib.h28
-rw-r--r--tikzit/src/linux/NSError+Glib.m50
-rw-r--r--tikzit/src/linux/NSFileManager+Glib.h31
-rw-r--r--tikzit/src/linux/NSFileManager+Glib.m55
-rw-r--r--tikzit/src/linux/NSString+Glib.h50
-rw-r--r--tikzit/src/linux/NSString+Glib.m96
-rw-r--r--tikzit/src/linux/Node+Render.h44
-rw-r--r--tikzit/src/linux/Node+Render.m197
-rw-r--r--tikzit/src/linux/NodeStyle+Gtk.h31
-rw-r--r--tikzit/src/linux/NodeStyle+Gtk.m41
-rw-r--r--tikzit/src/linux/NodeStyle+Render.h30
-rw-r--r--tikzit/src/linux/NodeStyle+Storage.h29
-rw-r--r--tikzit/src/linux/NodeStyle+Storage.m62
-rw-r--r--tikzit/src/linux/NodeStyleEditor.h43
-rw-r--r--tikzit/src/linux/NodeStyleEditor.m469
-rw-r--r--tikzit/src/linux/NodeStyleSelector.h77
-rw-r--r--tikzit/src/linux/NodeStyleSelector.m429
-rw-r--r--tikzit/src/linux/NodeStylesPalette.h46
-rw-r--r--tikzit/src/linux/NodeStylesPalette.m275
-rw-r--r--tikzit/src/linux/PreambleEditor.h50
-rw-r--r--tikzit/src/linux/PreambleEditor.m489
-rw-r--r--tikzit/src/linux/Preambles+Storage.h29
-rw-r--r--tikzit/src/linux/Preambles+Storage.m84
-rw-r--r--tikzit/src/linux/PreviewRenderer.h47
-rw-r--r--tikzit/src/linux/PreviewRenderer.m207
-rw-r--r--tikzit/src/linux/PreviewWindow.h49
-rw-r--r--tikzit/src/linux/PreviewWindow.m191
-rw-r--r--tikzit/src/linux/PropertyListEditor.h63
-rw-r--r--tikzit/src/linux/PropertyListEditor.m417
-rw-r--r--tikzit/src/linux/PropertyPane.h67
-rw-r--r--tikzit/src/linux/PropertyPane.m572
-rw-r--r--tikzit/src/linux/RecentManager.h30
-rw-r--r--tikzit/src/linux/RecentManager.m74
-rw-r--r--tikzit/src/linux/Shape+Render.h29
-rw-r--r--tikzit/src/linux/Shape+Render.m57
-rw-r--r--tikzit/src/linux/StyleManager+Storage.h26
-rw-r--r--tikzit/src/linux/StyleManager+Storage.m81
-rw-r--r--tikzit/src/linux/Surface.h90
-rw-r--r--tikzit/src/linux/TZFoundation.h28
-rw-r--r--tikzit/src/linux/TikzDocument.h156
-rw-r--r--tikzit/src/linux/TikzDocument.m773
-rw-r--r--tikzit/src/linux/WidgetSurface.h55
-rw-r--r--tikzit/src/linux/WidgetSurface.m539
-rw-r--r--tikzit/src/linux/cairo_helpers.h25
-rw-r--r--tikzit/src/linux/cairo_helpers.m28
-rw-r--r--tikzit/src/linux/clipboard.h41
-rw-r--r--tikzit/src/linux/clipboard.m57
-rw-r--r--tikzit/src/linux/gtkhelpers.h49
-rw-r--r--tikzit/src/linux/gtkhelpers.m244
-rw-r--r--tikzit/src/linux/logo.h32
-rw-r--r--tikzit/src/linux/logo.m65
-rw-r--r--tikzit/src/linux/main.m75
-rw-r--r--tikzit/src/linux/mkdtemp.h32
-rw-r--r--tikzit/src/linux/mkdtemp.m204
-rw-r--r--tikzit/src/linux/test/linux.m27
-rw-r--r--tikzit/src/linux/test/main.m50
-rw-r--r--tikzit/src/osx/AppDelegate.h53
-rw-r--r--tikzit/src/osx/AppDelegate.m105
-rw-r--r--tikzit/src/osx/CALayer+DrawLabel.h21
-rw-r--r--tikzit/src/osx/CALayer+DrawLabel.m84
-rw-r--r--tikzit/src/osx/CoreGraphicsRenderContext.h44
-rw-r--r--tikzit/src/osx/CoreGraphicsRenderContext.m234
-rw-r--r--tikzit/src/osx/EdgeControlLayer.h44
-rw-r--r--tikzit/src/osx/EdgeControlLayer.m150
-rw-r--r--tikzit/src/osx/EdgeStyle+Coder.h30
-rw-r--r--tikzit/src/osx/EdgeStyle+Coder.m50
-rw-r--r--tikzit/src/osx/Graph+Coder.h17
-rw-r--r--tikzit/src/osx/Graph+Coder.m25
-rw-r--r--tikzit/src/osx/GraphicsView.h128
-rw-r--r--tikzit/src/osx/GraphicsView.m1142
-rw-r--r--tikzit/src/osx/Grid.h48
-rw-r--r--tikzit/src/osx/Grid.m152
-rw-r--r--tikzit/src/osx/MultiCombo.h18
-rw-r--r--tikzit/src/osx/MultiCombo.m38
-rw-r--r--tikzit/src/osx/MultiField.h18
-rw-r--r--tikzit/src/osx/MultiField.m53
-rw-r--r--tikzit/src/osx/NilToEmptyStringTransformer.h28
-rw-r--r--tikzit/src/osx/NilToEmptyStringTransformer.m53
-rw-r--r--tikzit/src/osx/NodeLayer.h62
-rw-r--r--tikzit/src/osx/NodeLayer.m239
-rw-r--r--tikzit/src/osx/NodeSelectionLayer.h45
-rw-r--r--tikzit/src/osx/NodeSelectionLayer.m93
-rw-r--r--tikzit/src/osx/NodeStyle+Coder.h36
-rw-r--r--tikzit/src/osx/NodeStyle+Coder.m91
-rw-r--r--tikzit/src/osx/PreambleController.h57
-rw-r--r--tikzit/src/osx/PreambleController.m168
-rw-r--r--tikzit/src/osx/Preambles+Coder.h32
-rw-r--r--tikzit/src/osx/Preambles+Coder.m41
-rw-r--r--tikzit/src/osx/PreviewController.h51
-rw-r--r--tikzit/src/osx/PreviewController.m137
-rw-r--r--tikzit/src/osx/PropertyInspectorController.h73
-rw-r--r--tikzit/src/osx/PropertyInspectorController.m272
-rw-r--r--tikzit/src/osx/SelectBoxLayer.h22
-rw-r--r--tikzit/src/osx/SelectBoxLayer.m48
-rw-r--r--tikzit/src/osx/SelectableCollectionViewItem.h33
-rw-r--r--tikzit/src/osx/SelectableCollectionViewItem.m54
-rw-r--r--tikzit/src/osx/SelectableNodeView.h38
-rw-r--r--tikzit/src/osx/SelectableNodeView.m96
-rw-r--r--tikzit/src/osx/StylePaletteController.h80
-rw-r--r--tikzit/src/osx/StylePaletteController.m247
-rw-r--r--tikzit/src/osx/TikzDocument.h37
-rw-r--r--tikzit/src/osx/TikzDocument.m84
-rw-r--r--tikzit/src/osx/TikzParser.h66
-rw-r--r--tikzit/src/osx/TikzParser.m574
-rw-r--r--tikzit/src/osx/TikzSourceController.h66
-rw-r--r--tikzit/src/osx/TikzSourceController.m196
-rw-r--r--tikzit/src/osx/TikzWindowController.h31
-rw-r--r--tikzit/src/osx/TikzWindowController.m66
-rw-r--r--tikzit/src/osx/ToolPaletteController.h42
-rw-r--r--tikzit/src/osx/ToolPaletteController.m58
-rw-r--r--tikzit/src/osx/main.m26
-rw-r--r--tikzit/src/osx/test/main.m56
-rw-r--r--tikzit/src/osx/test/osx.m64
-rw-r--r--tikzit/src/tikzit.rc24
203 files changed, 26923 insertions, 0 deletions
diff --git a/tikzit/src/Makefile.am b/tikzit/src/Makefile.am
new file mode 100644
index 0000000..37e1914
--- /dev/null
+++ b/tikzit/src/Makefile.am
@@ -0,0 +1,135 @@
+if WINDOWS
+sharedir = ../
+else
+sharedir = @datarootdir@/tikzit
+endif
+
+AM_OBJCFLAGS = @GNUSTEPOBJCFLAGS@ \
+ @GTK_CFLAGS@ \
+ @GDK_PIXBUF_CFLAGS@ \
+ @POPPLER_CFLAGS@ \
+ -I common \
+ -I linux \
+ -DTIKZITSHAREDIR=\"$(sharedir)\" \
+ -std=c99 \
+ -D_GNU_SOURCE
+LIBS = @GNUSTEPLIBS@ \
+ @GTK_LIBS@ \
+ @GDK_PIXBUF_LIBS@ \
+ @POPPLER_LIBS@
+AM_YFLAGS = -d
+PARSERFILES = common/tikzlexer.m common/tikzparser.m common/tikzparser.h
+
+bin_PROGRAMS = tikzit
+BUILT_SOURCES = $(PARSERFILES)
+tikzit_SOURCES = linux/CairoRenderContext.m \
+ linux/ColorRGB+IntegerListStorage.m \
+ linux/ColorRGB+Gtk.m \
+ linux/Configuration.m \
+ linux/Edge+Render.m \
+ linux/EdgeStyle+Storage.m \
+ linux/FileChooserDialog.m \
+ linux/GraphInputHandler.m \
+ linux/GraphRenderer.m \
+ linux/MainWindow.m \
+ linux/Menu.m \
+ linux/Node+Render.m \
+ linux/NodeStyle+Gtk.m \
+ linux/NodeStyle+Storage.m \
+ linux/NodeStyleEditor.m \
+ linux/NodeStyleSelector.m \
+ linux/NodeStylesPalette.m \
+ linux/NSError+Glib.m \
+ linux/NSFileManager+Glib.m \
+ linux/NSString+Glib.m \
+ linux/PreambleEditor.m \
+ linux/Preambles+Storage.m \
+ linux/PropertyPane.m \
+ linux/PropertyListEditor.m \
+ linux/RecentManager.m \
+ linux/Shape+Render.m \
+ linux/StyleManager+Storage.m \
+ linux/TikzDocument.m \
+ linux/WidgetSurface.m \
+ linux/cairo_helpers.m \
+ linux/clipboard.m \
+ linux/gtkhelpers.m \
+ linux/logo.m \
+ linux/mkdtemp.m \
+ linux/main.m \
+ common/BasicMapTable.m \
+ common/CircleShape.m \
+ common/ColorRGB.m \
+ common/Edge.m \
+ common/EdgeStyle.m \
+ common/GraphChange.m \
+ common/GraphElementData.m \
+ common/Graph.m \
+ common/Grid.m \
+ common/Node.m \
+ common/NodeStyle.m \
+ common/NSError+Tikzit.m \
+ common/NSFileManager+Utils.m \
+ common/NSString+LatexConstants.m \
+ common/PickSupport.m \
+ common/Preambles.m \
+ common/PropertyHolder.m \
+ common/GraphElementProperty.m \
+ common/RColor.m \
+ common/RectangleShape.m \
+ common/RegularPolyShape.m \
+ common/Shape.m \
+ common/StyleManager.m \
+ common/SupportDir.m \
+ common/TikzGraphAssembler.m \
+ common/TikzShape.m \
+ common/Transformer.m \
+ common/tikzparser.m \
+ common/tikzlexer.m \
+ common/util.m
+
+if HAVE_POPPLER
+tikzit_SOURCES += \
+ linux/PreviewRenderer.m \
+ linux/PreviewWindow.m
+endif
+
+if WINDOWS
+tikzit.res: tikzit.rc
+ $(AM_V_GEN)windres $^ -O coff -o $@
+
+tikzit_LDADD = tikzit.res
+CLEANFILES = tikzit.res
+endif
+
+common/tikzlexer.m: common/tikzlexer.lm
+ $(AM_V_GEN)$(LEX) -o $@ $^
+
+common/tikzparser.m: common/tikzparser.ym
+ $(AM_V_GEN)$(YACC) --defines=common/tikzparser.h --output=$@ $^
+
+common/tikzparser.h: common/tikzparser.m
+
+linux/icondata.m: ../draw-ellipse.png ../draw-path.png ../select-rectangular.png ../transform-crop-and-resize.png ../transform-move.png
+ $(AM_V_GEN)gdk-pixbuf-csource --struct --static --raw --build-list \
+ draw_ellipse ../draw-ellipse.png \
+ draw_path ../draw-path.png \
+ select_rectangular ../select-rectangular.png \
+ transform_crop_and_resize ../transform-crop-and-resize.png \
+ transform_move ../transform-move.png \
+ > $@
+
+linux/logodata.m: ../share/icons/hicolor/16x16/apps/tikzit.png ../share/icons/hicolor/24x24/apps/tikzit.png ../share/icons/hicolor/48x48/apps/tikzit.png ../share/icons/hicolor/64x64/apps/tikzit.png ../share/icons/hicolor/128x128/apps/tikzit.png
+ $(AM_V_GEN)gdk-pixbuf-csource --struct --static --raw --build-list \
+ logo16 ../share/icons/hicolor/16x16/apps/tikzit.png \
+ logo24 ../share/icons/hicolor/24x24/apps/tikzit.png \
+ logo48 ../share/icons/hicolor/48x48/apps/tikzit.png \
+ logo64 ../share/icons/hicolor/64x64/apps/tikzit.png \
+ logo128 ../share/icons/hicolor/128x128/apps/tikzit.png \
+ > $@
+
+linux/Menu.m: linux/icondata.m
+linux/logo.m: linux/logodata.m
+
+EXTRA_DIST = linux/*.h common/*.h $(PARSERFILES) common/tikzlexer.lm common/tikzparser.ym
+MAINTAINERCLEANFILES = $(PARSERFILES)
diff --git a/tikzit/src/common/BasicMapTable.h b/tikzit/src/common/BasicMapTable.h
new file mode 100644
index 0000000..e3ddeea
--- /dev/null
+++ b/tikzit/src/common/BasicMapTable.h
@@ -0,0 +1,50 @@
+//
+// BasicMapTable.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+
+/*!
+ @class BasicMapTable
+ @brief A stripped-down wrapper for NSMapTable.
+ @details A stripped-down wrapper for NSMapTable. In OS X, this is
+ just an interface to NSMapTable.
+ */
+@interface BasicMapTable : NSObject {
+ NSMapTable *mapTable;
+}
+
+- (id)init;
++ (BasicMapTable*)mapTable;
+- (id)objectForKey:(id)aKey;
+- (void)setObject:(id)anObject forKey:(id)aKey;
+- (NSEnumerator*)objectEnumerator;
+- (NSEnumerator*)keyEnumerator;
+- (NSUInteger)count;
+
+// for fast enumeration
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state
+ objects:(id *)stackbuf
+ count:(NSUInteger)len;
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/BasicMapTable.m b/tikzit/src/common/BasicMapTable.m
new file mode 100644
index 0000000..163cf8f
--- /dev/null
+++ b/tikzit/src/common/BasicMapTable.m
@@ -0,0 +1,75 @@
+//
+// BasicMapTable.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "BasicMapTable.h"
+
+@implementation BasicMapTable
+
+- (id)init {
+ [super init];
+
+ mapTable = [[NSMapTable alloc] initWithKeyOptions:NSMapTableStrongMemory
+ valueOptions:NSMapTableStrongMemory
+ capacity:10];
+
+ return self;
+}
+
++ (BasicMapTable*)mapTable {
+ return [[[BasicMapTable alloc] init] autorelease];
+}
+
+- (id)objectForKey:(id)aKey {
+ return [mapTable objectForKey:aKey];
+}
+
+- (void)setObject:(id)anObject forKey:(id)aKey {
+ [mapTable setObject:anObject forKey:aKey];
+}
+
+- (NSEnumerator*)objectEnumerator {
+ return [mapTable objectEnumerator];
+}
+
+- (NSEnumerator*)keyEnumerator {
+ return [mapTable keyEnumerator];
+}
+
+- (void)dealloc {
+ [mapTable release];
+ [super dealloc];
+}
+
+- (NSUInteger)count {
+ return [mapTable count];
+}
+
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state
+ objects:(id *)stackbuf
+ count:(NSUInteger)len {
+ return [mapTable countByEnumeratingWithState:state objects:stackbuf count:len];
+}
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/CircleShape.h b/tikzit/src/common/CircleShape.h
new file mode 100644
index 0000000..8215b92
--- /dev/null
+++ b/tikzit/src/common/CircleShape.h
@@ -0,0 +1,33 @@
+//
+// CircleShape.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "Shape.h"
+
+@interface CircleShape : Shape {
+}
+
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/CircleShape.m b/tikzit/src/common/CircleShape.m
new file mode 100644
index 0000000..b154e8f
--- /dev/null
+++ b/tikzit/src/common/CircleShape.m
@@ -0,0 +1,55 @@
+//
+// CircleShape.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "CircleShape.h"
+#import "Node.h"
+#import "Edge.h"
+
+@implementation CircleShape
+
+- (id)init {
+ [super init];
+
+ Node *n0,*n1,*n2,*n3;
+
+ n0 = [Node nodeWithPoint:NSMakePoint( 0.0f, 0.2f)];
+ n1 = [Node nodeWithPoint:NSMakePoint( 0.2f, 0.0f)];
+ n2 = [Node nodeWithPoint:NSMakePoint( 0.0f, -0.2f)];
+ n3 = [Node nodeWithPoint:NSMakePoint(-0.2f, 0.0f)];
+
+ Edge *e0,*e1,*e2,*e3;
+
+ e0 = [Edge edgeWithSource:n0 andTarget:n1]; [e0 setBend:-45];
+ e1 = [Edge edgeWithSource:n1 andTarget:n2]; [e1 setBend:-45];
+ e2 = [Edge edgeWithSource:n2 andTarget:n3]; [e2 setBend:-45];
+ e3 = [Edge edgeWithSource:n3 andTarget:n0]; [e3 setBend:-45];
+
+ paths = [[NSSet alloc] initWithObjects:[NSArray arrayWithObjects:e0,e1,e2,e3,nil],nil];
+
+ return self;
+}
+
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/ColorRGB.h b/tikzit/src/common/ColorRGB.h
new file mode 100644
index 0000000..1c9b27d
--- /dev/null
+++ b/tikzit/src/common/ColorRGB.h
@@ -0,0 +1,64 @@
+//
+// ColorRGB.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "RColor.h"
+
+@interface ColorRGB : NSObject {
+ unsigned short red, green, blue;
+}
+
+@property (assign) unsigned short red;
+@property (assign) unsigned short green;
+@property (assign) unsigned short blue;
+
+@property (assign) float redFloat;
+@property (assign) float greenFloat;
+@property (assign) float blueFloat;
+
+- (RColor)rColor;
+- (RColor)rColorWithAlpha:(CGFloat)alpha;
+
+- (NSString*)hexName;
+- (BOOL)isEqual:(id)col;
+- (float)distanceFromColor:(ColorRGB*)col;
+- (int)hash;
+
+- (id)initWithRed:(unsigned short)r green:(unsigned short)g blue:(unsigned short)b;
+- (id)initWithFloatRed:(float)r green:(float)g blue:(float)b;
+- (id)initWithRColor:(RColor)color;
+
+- (NSString*)name;
+
+- (void)setToClosestHashed;
+
++ (ColorRGB*)colorWithRed:(unsigned short)r green:(unsigned short)g blue:(unsigned short)b;
++ (ColorRGB*)colorWithFloatRed:(float)r green:(float)g blue:(float)b;
++ (ColorRGB*)colorWithRColor:(RColor)color;
+
++ (void)makeColorHash;
++ (void)releaseColorHash;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/ColorRGB.m b/tikzit/src/common/ColorRGB.m
new file mode 100644
index 0000000..7b3e51f
--- /dev/null
+++ b/tikzit/src/common/ColorRGB.m
@@ -0,0 +1,326 @@
+//
+// ColorRGB.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "ColorRGB.h"
+#import "BasicMapTable.h"
+#import "util.h"
+
+typedef struct {
+ NSString *name;
+ unsigned short r, g, b;
+} ColorRGBEntry;
+
+static const ColorRGBEntry kColors[147] = {
+ { @"AliceBlue", 240, 248, 255 },
+ { @"AntiqueWhite", 250, 235, 215 },
+ { @"Aqua", 0, 255, 255 },
+ { @"Aquamarine", 127, 255, 212 },
+ { @"Azure", 240, 255, 255 },
+ { @"Beige", 245, 245, 220 },
+ { @"Bisque", 255, 228, 196 },
+ { @"Black", 0, 0, 0 },
+ { @"BlanchedAlmond", 255, 235, 205 },
+ { @"Blue", 0, 0, 255 },
+ { @"BlueViolet", 138, 43, 226 },
+ { @"Brown", 165, 42, 42 },
+ { @"BurlyWood", 222, 184, 135 },
+ { @"CadetBlue", 95, 158, 160 },
+ { @"Chartreuse", 127, 255, 0 },
+ { @"Chocolate", 210, 105, 30 },
+ { @"Coral", 255, 127, 80 },
+ { @"CornflowerBlue", 100, 149, 237 },
+ { @"Cornsilk", 255, 248, 220 },
+ { @"Crimson", 220, 20, 60 },
+ { @"Cyan", 0, 255, 255 },
+ { @"DarkBlue", 0, 0, 139 },
+ { @"DarkCyan", 0, 139, 139 },
+ { @"DarkGoldenrod", 184, 134, 11 },
+ { @"DarkGray", 169, 169, 169 },
+ { @"DarkGreen", 0, 100, 0 },
+ { @"DarkGrey", 169, 169, 169 },
+ { @"DarkKhaki", 189, 183, 107 },
+ { @"DarkMagenta", 139, 0, 139 },
+ { @"DarkOliveGreen", 85, 107, 47 },
+ { @"DarkOrange", 255, 140, 0 },
+ { @"DarkOrchid", 153, 50, 204 },
+ { @"DarkRed", 139, 0, 0 },
+ { @"DarkSalmon", 233, 150, 122 },
+ { @"DarkSeaGreen", 143, 188, 143 },
+ { @"DarkSlateBlue", 72, 61, 139 },
+ { @"DarkSlateGray", 47, 79, 79 },
+ { @"DarkSlateGrey", 47, 79, 79 },
+ { @"DarkTurquoise", 0, 206, 209 },
+ { @"DarkViolet", 148, 0, 211 },
+ { @"DeepPink", 255, 20, 147 },
+ { @"DeepSkyBlue", 0, 191, 255 },
+ { @"DimGray", 105, 105, 105 },
+ { @"DimGrey", 105, 105, 105 },
+ { @"DodgerBlue", 30, 144, 255 },
+ { @"FireBrick", 178, 34, 34 },
+ { @"FloralWhite", 255, 250, 240 },
+ { @"ForestGreen", 34, 139, 34 },
+ { @"Fuchsia", 255, 0, 255 },
+ { @"Gainsboro", 220, 220, 220 },
+ { @"GhostWhite", 248, 248, 255 },
+ { @"Gold", 255, 215, 0 },
+ { @"Goldenrod", 218, 165, 32 },
+ { @"Gray", 128, 128, 128 },
+ { @"Grey", 128, 128, 128 },
+ { @"Green", 0, 128, 0 },
+ { @"GreenYellow", 173, 255, 47 },
+ { @"Honeydew", 240, 255, 240 },
+ { @"HotPink", 255, 105, 180 },
+ { @"IndianRed", 205, 92, 92 },
+ { @"Indigo", 75, 0, 130 },
+ { @"Ivory", 255, 255, 240 },
+ { @"Khaki", 240, 230, 140 },
+ { @"Lavender", 230, 230, 250 },
+ { @"LavenderBlush", 255, 240, 245 },
+ { @"LawnGreen", 124, 252, 0 },
+ { @"LemonChiffon", 255, 250, 205 },
+ { @"LightBlue", 173, 216, 230 },
+ { @"LightCoral", 240, 128, 128 },
+ { @"LightCyan", 224, 255, 255 },
+ { @"LightGoldenrodYellow", 250, 250, 210 },
+ { @"LightGray", 211, 211, 211 },
+ { @"LightGreen", 144, 238, 144 },
+ { @"LightGrey", 211, 211, 211 },
+ { @"LightPink", 255, 182, 193 },
+ { @"LightSalmon", 255, 160, 122 },
+ { @"LightSeaGreen", 32, 178, 170 },
+ { @"LightSkyBlue", 135, 206, 250 },
+ { @"LightSlateGray", 119, 136, 153 },
+ { @"LightSlateGrey", 119, 136, 153 },
+ { @"LightSteelBlue", 176, 196, 222 },
+ { @"LightYellow", 255, 255, 224 },
+ { @"Lime", 0, 255, 0 },
+ { @"LimeGreen", 50, 205, 50 },
+ { @"Linen", 250, 240, 230 },
+ { @"Magenta", 255, 0, 255 },
+ { @"Maroon", 128, 0, 0 },
+ { @"MediumAquamarine", 102, 205, 170 },
+ { @"MediumBlue", 0, 0, 205 },
+ { @"MediumOrchid", 186, 85, 211 },
+ { @"MediumPurple", 147, 112, 219 },
+ { @"MediumSeaGreen", 60, 179, 113 },
+ { @"MediumSlateBlue", 123, 104, 238 },
+ { @"MediumSpringGreen", 0, 250, 154 },
+ { @"MediumTurquoise", 72, 209, 204 },
+ { @"MediumVioletRed", 199, 21, 133 },
+ { @"MidnightBlue", 25, 25, 112 },
+ { @"MintCream", 245, 255, 250 },
+ { @"MistyRose", 255, 228, 225 },
+ { @"Moccasin", 255, 228, 181 },
+ { @"NavajoWhite", 255, 222, 173 },
+ { @"Navy", 0, 0, 128 },
+ { @"OldLace", 253, 245, 230 },
+ { @"Olive", 128, 128, 0 },
+ { @"OliveDrab", 107, 142, 35 },
+ { @"Orange", 255, 165, 0 },
+ { @"OrangeRed", 255, 69, 0 },
+ { @"Orchid", 218, 112, 214 },
+ { @"PaleGoldenrod", 238, 232, 170 },
+ { @"PaleGreen", 152, 251, 152 },
+ { @"PaleTurquoise", 175, 238, 238 },
+ { @"PaleVioletRed", 219, 112, 147 },
+ { @"PapayaWhip", 255, 239, 213 },
+ { @"PeachPuff", 255, 218, 185 },
+ { @"Peru", 205, 133, 63 },
+ { @"Pink", 255, 192, 203 },
+ { @"Plum", 221, 160, 221 },
+ { @"PowderBlue", 176, 224, 230 },
+ { @"Purple", 128, 0, 128 },
+ { @"Red", 255, 0, 0 },
+ { @"RosyBrown", 188, 143, 143 },
+ { @"RoyalBlue", 65, 105, 225 },
+ { @"SaddleBrown", 139, 69, 19 },
+ { @"Salmon", 250, 128, 114 },
+ { @"SandyBrown", 244, 164, 96 },
+ { @"SeaGreen", 46, 139, 87 },
+ { @"Seashell", 255, 245, 238 },
+ { @"Sienna", 160, 82, 45 },
+ { @"Silver", 192, 192, 192 },
+ { @"SkyBlue", 135, 206, 235 },
+ { @"SlateBlue", 106, 90, 205 },
+ { @"SlateGray", 112, 128, 144 },
+ { @"SlateGrey", 112, 128, 144 },
+ { @"Snow", 255, 250, 250 },
+ { @"SpringGreen", 0, 255, 127 },
+ { @"SteelBlue", 70, 130, 180 },
+ { @"Tan", 210, 180, 140 },
+ { @"Teal", 0, 128, 128 },
+ { @"Thistle", 216, 191, 216 },
+ { @"Tomato", 255, 99, 71 },
+ { @"Turquoise", 64, 224, 208 },
+ { @"Violet", 238, 130, 238 },
+ { @"Wheat", 245, 222, 179 },
+ { @"White", 255, 255, 255 },
+ { @"WhiteSmoke", 245, 245, 245 },
+ { @"Yellow", 255, 255, 0 },
+ { @"YellowGreen", 154, 205, 50 }
+};
+
+static BasicMapTable *colorHash = nil;
+
+@implementation ColorRGB
+
+- (unsigned short)red { return red; }
+- (void)setRed:(unsigned short)r { red = r; }
+- (unsigned short)green { return green; }
+- (void)setGreen:(unsigned short)g { green = g; }
+- (unsigned short)blue { return blue; }
+- (void)setBlue:(unsigned short)b { blue = b; }
+
+- (float)redFloat { return ((float)red)/255.0f; }
+- (void)setRedFloat:(float)r { red = round(r*255.0f); }
+- (float)greenFloat { return ((float)green)/255.0f; }
+- (void)setGreenFloat:(float)g { green = round(g*255.0f); }
+- (float)blueFloat { return ((float)blue)/255.0f; }
+- (void)setBlueFloat:(float)b { blue = round(b*255.0f); }
+
+- (int)hash {
+ return (red<<4) + (green<<2) + blue;
+}
+
+- (id)initWithRed:(unsigned short)r green:(unsigned short)g blue:(unsigned short)b {
+ [super init];
+ red = r;
+ green = g;
+ blue = b;
+ return self;
+}
+
+- (id)initWithFloatRed:(float)r green:(float)g blue:(float)b {
+ [super init];
+ red = round(r*255.0f);
+ green = round(g*255.0f);
+ blue = round(b*255.0f);
+ return self;
+}
+
+- (id) initWithRColor:(RColor)color {
+ return [self initWithFloatRed:color.red green:color.green blue:color.blue];
+}
+
+- (RColor) rColor {
+ return MakeSolidRColor ([self redFloat], [self greenFloat], [self blueFloat]);
+}
+
+- (RColor) rColorWithAlpha:(CGFloat)alpha {
+ return MakeRColor ([self redFloat], [self greenFloat], [self blueFloat], alpha);
+}
+
+- (NSString*)name {
+ if (colorHash == nil) [ColorRGB makeColorHash];
+ return [colorHash objectForKey:self];
+}
+
+- (NSString*)hexName {
+ return [NSString stringWithFormat:@"hexcolor0x%.2x%.2x%.2x", red, green, blue];
+}
+
+- (NSComparisonResult)compare:(ColorRGB*)col {
+ if (red > [col red]) return NSOrderedDescending;
+ else if (red < [col red]) return NSOrderedAscending;
+ else {
+ if (green > [col green]) return NSOrderedDescending;
+ else if (green < [col green]) return NSOrderedAscending;
+ else {
+ if (blue > [col blue]) return NSOrderedDescending;
+ else if (blue < [col blue]) return NSOrderedAscending;
+ else return NSOrderedSame;
+ }
+ }
+}
+
+- (BOOL)isEqual:(id)col {
+ return [self compare:col] == NSOrderedSame;
+}
+
+- (float)distanceFromColor:(ColorRGB *)col {
+ float dr = (float)(red - [col red]);
+ float dg = (float)(green - [col green]);
+ float db = (float)(blue - [col blue]);
+ return dr*dr + dg*dg + db*db;
+}
+
+- (id)copy {
+ ColorRGB *col = [[ColorRGB alloc] initWithRed:red green:green blue:blue];
+ return col;
+}
+
++ (ColorRGB*)colorWithRed:(unsigned short)r green:(unsigned short)g blue:(unsigned short)b {
+ ColorRGB *col = [[ColorRGB alloc] initWithRed:r green:g blue:b];
+ return [col autorelease];
+}
+
+
++ (ColorRGB*)colorWithFloatRed:(float)r green:(float)g blue:(float)b {
+ ColorRGB *col = [[ColorRGB alloc] initWithFloatRed:r green:g blue:b];
+ return [col autorelease];
+}
+
++ (ColorRGB*) colorWithRColor:(RColor)color {
+ return [[[self alloc] initWithRColor:color] autorelease];
+}
+
++ (void)makeColorHash {
+ BasicMapTable *h = [[BasicMapTable alloc] init];
+ int i;
+ for (i = 0; i < 147; ++i) {
+ ColorRGB *col = [[ColorRGB alloc] initWithRed:kColors[i].r
+ green:kColors[i].g
+ blue:kColors[i].b];
+ [h setObject:kColors[i].name forKey:col];
+ //NSLog(@"adding color %@ (%d)", kColors[i].name, [col hash]);
+ [col release];
+ }
+ colorHash = h;
+}
+
++ (void)releaseColorHash {
+ [colorHash release];
+}
+
+- (void)setToClosestHashed {
+ if (colorHash == nil)
+ [ColorRGB makeColorHash];
+ float bestDist = -1;
+ ColorRGB *bestColor = nil;
+ NSEnumerator *enumerator = [colorHash keyEnumerator];
+ ColorRGB *tryColor;
+ while ((tryColor = [enumerator nextObject]) != nil) {
+ float dist = [self distanceFromColor:tryColor];
+ if (bestDist<0 || dist<bestDist) {
+ bestDist = dist;
+ bestColor = tryColor;
+ }
+ }
+ [self setRed:[bestColor red]];
+ [self setGreen:[bestColor green]];
+ [self setBlue:[bestColor blue]];
+}
+
+@end
+
+// vi:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/Edge.h b/tikzit/src/common/Edge.h
new file mode 100644
index 0000000..460ecc4
--- /dev/null
+++ b/tikzit/src/common/Edge.h
@@ -0,0 +1,331 @@
+//
+// Edge.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+
+// Edge : store the data associated with an edge. Also, lazily compute
+// bezier curve control points based on bend and the coordinates of
+// the endpoints.
+
+#import "Node.h"
+#import "EdgeStyle.h"
+
+/*!
+ @typedef enum EdgeBendMode
+ @brief Indicates the type of edge bend.
+ @var EdgeBendModeBasic A basic, one-angle bend. Positive values will be interpreted
+ as bend left, negative as bend right.
+ @var EdgeBendModeInOut A two-angle bend mode, using inAngle and outAngle.
+ */
+typedef enum {
+ EdgeBendModeBasic,
+ EdgeBendModeInOut
+} EdgeBendMode;
+
+/*!
+ @class Edge
+ @brief A graph edge, with associated bend and style data.
+ @details A graph edge, with associated bend and style data. This class
+ also contains methods for computing the bezier control points
+ and the midpoint of the curve.
+ */
+@interface Edge : NSObject {
+ Node *source;
+ Node *target;
+ Node *edgeNode;
+ int bend;
+ int inAngle, outAngle;
+ EdgeBendMode bendMode;
+ float weight;
+ EdgeStyle *style;
+ GraphElementData *data;
+
+ // When set to YES, lazily create the edge node, and keep it around when set
+ // to NO (at least until saved/loaded).
+ BOOL hasEdgeNode;
+ BOOL dirty;
+
+ // these are all cached values computed from the above
+ NSPoint src;
+ NSPoint targ;
+ NSPoint cp1;
+ NSPoint cp2;
+ NSPoint mid;
+ NSPoint midTan;
+}
+
+/*!
+ @property data
+ @brief Associated edge data.
+ */
+@property (copy) GraphElementData *data;
+
+/*!
+ @property style
+ @brief Edge style.
+ */
+@property (retain) EdgeStyle *style;
+
+/*!
+ @property source
+ @brief Source node.
+ */
+@property (retain) Node *source;
+
+/*!
+ @property target
+ @brief Target node.
+ */
+@property (retain) Node *target;
+
+/*!
+ @property edgeNode
+ @brief A node attached to this edge, as in a label or tick.
+ */
+@property (retain) Node *edgeNode;
+
+/*!
+ @property hasEdgeNode
+ @brief A read/write property. When set to true, a new edge node is actually constructed.
+*/
+@property (assign) BOOL hasEdgeNode;
+
+/*!
+ @property bend
+ @brief The degrees by which the edge bends.
+ */
+@property (assign) int bend;
+
+/*!
+ @property weight
+ @brief How close the edge will pass to control points.
+ */
+@property (assign) float weight;
+
+/*!
+ @property inAngle
+ @brief The angle by which the edge enters its target.
+ */
+@property (assign) int inAngle;
+
+/*!
+ @property outAngle
+ @brief The angle by which the edge leaves its target.
+ */
+@property (assign) int outAngle;
+
+/*!
+ @property bendMode
+ @brief The mode of the edge bend. Either simple bend in in/out style.
+ */
+@property (assign) EdgeBendMode bendMode;
+
+/*!
+ @property cp1
+ @brief The first control point. Computed from the source, target, and bend.
+ */
+@property (readonly) NSPoint cp1;
+
+/*!
+ @property cp2
+ @brief The second control point. Computed from the source, target, and bend.
+ */
+@property (readonly) NSPoint cp2;
+
+/*!
+ @property mid
+ @brief The midpoint of the curve. Computed from the source, target, and control points.
+ */
+@property (readonly) NSPoint mid;
+
+/*!
+ @property mid_tan
+ @brief The second point of a line tangent to the midpoint. (The first is the midpoint itself.)
+ */
+@property (readonly) NSPoint midTan;
+
+/*!
+ @property left_normal
+ @brief The second point in a line perp. to the edge coming from mid-point. (left side)
+ */
+@property (readonly) NSPoint leftNormal;
+
+/*!
+ @property left_normal
+ @brief The second point in a line perp. to the edge coming from mid-point. (right side)
+ */
+@property (readonly) NSPoint rightNormal;
+
+/*!
+ @property isSelfLoop
+ @brief Returns YES if this edge is a self loop.
+ */
+@property (readonly) BOOL isSelfLoop;
+
+/*!
+ @property isStraight
+ @brief Returns YES if this edge can be drawn as a straight line (as opposed to a bezier curve).
+ */
+@property (readonly) BOOL isStraight;
+
+
+/*!
+ @brief Construct a blank edge.
+ @result An edge.
+ */
+- (id)init;
+
+/*!
+ @brief Construct an edge with the given source and target.
+ @param s the source node.
+ @param t the target node.
+ @result An edge.
+ */
+- (id)initWithSource:(Node*)s andTarget:(Node*)t;
+
+/*!
+ @brief Recompute the control points and midpoint.
+ */
+- (void)updateControls;
+
+/*!
+ @brief Push edge properties back into its <tt>GraphElementData</tt>.
+ */
+- (void)updateData;
+
+/*!
+ @brief Set edge properties from fields in <tt>GraphElementData</tt>.
+ */
+- (void)setAttributesFromData;
+
+/*!
+ @brief Use data.style to find and attach the <tt>EdgeStyle</tt> object from the given array.
+ */
+- (BOOL)attachStyleFromTable:(NSArray*)styles;
+
+/*!
+ @brief Convert the bend angle to an inAngle and outAngle.
+ */
+- (void)convertBendToAngles;
+
+/*!
+ @brief Set the bend angle to the average of the in and out angles.
+ */
+- (void)convertAnglesToBend;
+
+/*!
+ @brief Update this edge to look just like the given edge.
+ @param e an edge to mimic.
+ */
+- (void)setPropertiesFromEdge:(Edge *)e;
+
+/*!
+ @brief Get a bounding rect for this edge.
+ @detail Note that this may not be a tight bound.
+ */
+- (NSRect)boundingRect;
+
+/*!
+ @brief Moves the first control point, updating edge properties as necessary
+ @detail This will move a control point and adjust the weight and
+ bend (or outAngle) to fit.
+
+ A courseness can be specified for both the weight and the
+ bend, allowing them to be constrained to certain values. For
+ example, passing 10 as the bend courseness will force the bend
+ to be a multiple of 5. Passing 0 for either of these will
+ cause the relevant value to be unconstrained.
+ @param point the new position of the control point
+ @param wc force the weight to be a multiple of this value (unless 0)
+ @param bc force the bend (or outAngle) to be a multiple of this value (unless 0)
+ @param link when in EdgeBendModeInOut, change both the in and out angles at once
+ */
+- (void) moveCp1To:(NSPoint)point withWeightCourseness:(float)wc andBendCourseness:(int)bc forceLinkControlPoints:(BOOL)link;
+
+/*!
+ @brief Moves the first control point, updating edge properties as necessary
+ @detail This will move a control point and adjust the weight and
+ bend (or outAngle) to fit.
+
+ The same as moveCp1To:point withWeightCourseness:0.0f andBendCourseness:0 forceLinkControlPoints:No
+ @param point the new position of the control point
+ @param wc force the weight to be a multiple of this value (unless 0)
+ @param bc force the bend (or outAngle) to be a multiple of this value (unless 0)
+ @param link when in EdgeBendModeInOut, change both the in and out angles at once
+ */
+- (void) moveCp1To:(NSPoint)point;
+
+/*!
+ @brief Moves the first control point, updating edge properties as necessary
+ @detail This will move a control point and adjust the weight and
+ bend (or inAngle) to fit.
+
+ A courseness can be specified for both the weight and the
+ bend, allowing them to be constrained to certain values. For
+ example, passing 10 as the bend courseness will force the bend
+ to be a multiple of 5. Passing 0 for either of these will
+ cause the relevant value to be unconstrained.
+ @param point the new position of the control point
+ @param wc force the weight to be a multiple of this value (unless 0)
+ @param bc force the bend (or inAngle) to be a multiple of this value (unless 0)
+ @param link when in EdgeBendModeInOut, change both the in and out angles at once
+ */
+- (void) moveCp2To:(NSPoint)point withWeightCourseness:(float)wc andBendCourseness:(int)bc forceLinkControlPoints:(BOOL)link;
+
+/*!
+ @brief Moves the first control point, updating edge properties as necessary
+ @detail This will move a control point and adjust the weight and
+ bend (or inAngle) to fit.
+
+ The same as moveCp2To:point withWeightCourseness:0.0f andBendCourseness:0 forceLinkControlPoints:No
+ @param point the new position of the control point
+ */
+- (void) moveCp2To:(NSPoint)point;
+
+/*!
+ @brief Reverse edge direction, updating bend/inAngle/outAngle/etc
+ */
+- (void)reverse;
+
+/*!
+ @brief Copy this edge.
+ @result A copy of this edge.
+ */
+- (id)copy;
+
+/*!
+ @brief Factory method to make a blank edge.
+ @result An edge.
+ */
++ (Edge*)edge;
+
+/*!
+ @brief Factory method to make an edge with the given source and target.
+ @param s a source node.
+ @param t a target node.
+ @result An edge.
+ */
++ (Edge*)edgeWithSource:(Node*)s andTarget:(Node*)t;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/Edge.m b/tikzit/src/common/Edge.m
new file mode 100644
index 0000000..c89be6d
--- /dev/null
+++ b/tikzit/src/common/Edge.m
@@ -0,0 +1,525 @@
+//
+// Edge.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Edge.h"
+#import "util.h"
+
+@implementation Edge
+
+- (id)init {
+ [super init];
+ data = [[GraphElementData alloc] init];
+ bend = 0;
+ inAngle = 135;
+ outAngle = 45;
+ bendMode = EdgeBendModeBasic;
+ weight = 0.4f;
+ dirty = YES;
+ source = nil;
+ target = nil;
+ edgeNode = nil;
+
+ return self;
+}
+
+- (id)initWithSource:(Node*)s andTarget:(Node*)t {
+ [self init];
+
+ [self setSource:s];
+ [self setTarget:t];
+ edgeNode = nil;
+
+ dirty = YES;
+
+ return self;
+}
+
+- (BOOL)attachStyleFromTable:(NSArray*)styles {
+ NSString *style_name = [data propertyForKey:@"style"];
+
+ [self setStyle:nil];
+ if (style_name == nil) return YES;
+
+ for (EdgeStyle *s in styles) {
+ if ([[s name] compare:style_name]==NSOrderedSame) {
+ [self setStyle:s];
+ return YES;
+ }
+ }
+
+ // if we didn't find a style, fill in a default one
+ style = [[EdgeStyle defaultEdgeStyleWithName:style_name] retain];
+ return NO;
+}
+
+- (void)updateControls {
+ // check for external modification to the node locations
+ if (src.x != [source point].x || src.y != [source point].y ||
+ targ.x != [target point].x || targ.y != [target point].y)
+ {
+ dirty = YES;
+ }
+
+ if (dirty) {
+ src = [source point];
+ targ = [target point];
+
+ float dx = (targ.x - src.x);
+ float dy = (targ.y - src.y);
+
+ float angleSrc = 0.0f;
+ float angleTarg = 0.0f;
+
+ bend = normaliseAngleDeg (bend);
+ inAngle = normaliseAngleDeg (inAngle);
+ outAngle = normaliseAngleDeg (outAngle);
+ if (bendMode == EdgeBendModeBasic) {
+ float angle = good_atan(dx, dy);
+ float bnd = (float)bend * (M_PI / 180.0f);
+ angleSrc = angle - bnd;
+ angleTarg = M_PI + angle + bnd;
+ } else if (bendMode == EdgeBendModeInOut) {
+ angleSrc = (float)outAngle * (M_PI / 180.0f);
+ angleTarg = (float)inAngle * (M_PI / 180.0f);
+ }
+
+ // give a default distance for self-loops
+ float cdist = (dx==0.0f && dy==0.0f) ? weight : sqrt(dx*dx + dy*dy) * weight;
+
+ cp1 = NSMakePoint(src.x + (cdist * cos(angleSrc)),
+ src.y + (cdist * sin(angleSrc)));
+
+ cp2 = NSMakePoint(targ.x + (cdist * cos(angleTarg)),
+ targ.y + (cdist * sin(angleTarg)));
+
+ mid.x = bezierInterpolate(0.5f, src.x, cp1.x, cp2.x, targ.x);
+ mid.y = bezierInterpolate(0.5f, src.y, cp1.y, cp2.y, targ.y);
+
+ dx = bezierInterpolate(0.6f, src.x, cp1.x, cp2.x, targ.x) -
+ bezierInterpolate(0.4f, src.x, cp1.x, cp2.x, targ.x);
+ dy = bezierInterpolate(0.6f, src.y, cp1.y, cp2.y, targ.y) -
+ bezierInterpolate(0.4f, src.y, cp1.y, cp2.y, targ.y);
+
+ // normalise
+ float len = sqrt(dx*dx+dy*dy);
+ if (len != 0) {
+ dx = (dx/len) * 0.1f;
+ dy = (dy/len) * 0.1f;
+ }
+
+ midTan.x = mid.x + dx;
+ midTan.y = mid.y + dy;
+ }
+ dirty = NO;
+}
+
+- (void)convertBendToAngles {
+ float dx = (targ.x - src.x);
+ float dy = (targ.y - src.y);
+ float angle = good_atan(dx, dy);
+ float bnd = (float)bend * (M_PI / 180.0f);
+
+ outAngle = round((angle - bnd) * (180.0f/M_PI));
+ inAngle = round((M_PI + angle + bnd) * (180.0f/M_PI));
+ dirty = YES;
+}
+
+- (void)convertAnglesToBend {
+ float dx = (targ.x - src.x);
+ float dy = (targ.y - src.y);
+ int angle = round((180.0f/M_PI) * good_atan(dx, dy));
+
+ // compute bend1 and bend2 to match inAngle and outAngle, resp.
+ int bend1, bend2;
+
+ bend1 = outAngle - angle;
+ bend2 = angle - inAngle;
+
+ bend = (bend1 + bend2) / 2;
+
+ dirty = YES;
+}
+
+- (BOOL)isSelfLoop {
+ return (source == target);
+}
+
+- (BOOL)isStraight {
+ return (bendMode == EdgeBendModeBasic && bend == 0);
+}
+
+- (NSPoint)mid {
+ [self updateControls];
+ return mid;
+}
+
+- (NSPoint)midTan {
+ [self updateControls];
+ return midTan;
+}
+
+- (NSPoint)leftNormal {
+ [self updateControls];
+ return NSMakePoint(mid.x + (mid.y - midTan.y), mid.y - (mid.x - midTan.x));
+}
+
+- (NSPoint)rightNormal {
+ [self updateControls];
+ return NSMakePoint(mid.x - (mid.y - midTan.y), mid.y + (mid.x - midTan.x));
+}
+
+- (NSPoint)cp1 {
+ [self updateControls];
+ return cp1;
+}
+
+- (NSPoint)cp2 {
+ [self updateControls];
+ return cp2;
+}
+
+- (int)inAngle {return inAngle;}
+- (void)setInAngle:(int)a {
+ inAngle = a;
+ dirty = YES;
+}
+
+- (int)outAngle {return outAngle;}
+- (void)setOutAngle:(int)a {
+ outAngle = a;
+ dirty = YES;
+}
+
+- (EdgeBendMode)bendMode {return bendMode;}
+- (void)setBendMode:(EdgeBendMode)mode {
+ bendMode = mode;
+ dirty = YES;
+}
+
+- (int)bend {return bend;}
+- (void)setBend:(int)b {
+ bend = b;
+ dirty = YES;
+}
+
+- (float)weight {return weight;}
+- (void)setWeight:(float)w {
+// if (source == target) weight = 1.0f;
+// else weight = w;
+ weight = w;
+ dirty = YES;
+}
+
+- (EdgeStyle*)style {return style;}
+- (void)setStyle:(EdgeStyle*)s {
+ if (style != s) {
+ [style release];
+ style = [s retain];
+ }
+}
+
+- (Node*)source {return source;}
+- (void)setSource:(Node *)s {
+ if (source != s) {
+ [source release];
+ source = [s retain];
+
+ if (source==target) {
+ bendMode = EdgeBendModeInOut;
+ weight = 1.0f;
+ }
+
+ dirty = YES;
+ }
+}
+
+- (Node*)target {return target;}
+- (void)setTarget:(Node *)t {
+ if (target != t) {
+ [target release];
+ target = [t retain];
+
+ if (source==target) {
+ bendMode = EdgeBendModeInOut;
+ weight = 1.0f;
+ }
+
+ dirty = YES;
+ }
+}
+
+
+// edgeNode and hasEdgeNode use a bit of key-value observing to help the mac GUI keep up
+
+- (Node*)edgeNode {return edgeNode;}
+- (void)setEdgeNode:(Node *)n {
+#if defined (__APPLE__)
+ [self willChangeValueForKey:@"edgeNode"];
+ [self willChangeValueForKey:@"hasEdgeNode"];
+#endif
+ if (edgeNode != n) {
+ hasEdgeNode = (n != nil);
+ [edgeNode release];
+ edgeNode = [n retain];
+ // don't set dirty bit, because control points don't need update
+ }
+#if defined (__APPLE__)
+ [self didChangeValueForKey:@"edgeNode"];
+ [self didChangeValueForKey:@"hasEdgeNode"];
+#endif
+}
+
+- (BOOL)hasEdgeNode { return hasEdgeNode; }
+- (void)setHasEdgeNode:(BOOL)b {
+#if defined (__APPLE__)
+ [self willChangeValueForKey:@"edgeNode"];
+ [self willChangeValueForKey:@"hasEdgeNode"];
+#endif
+ hasEdgeNode = b;
+ if (hasEdgeNode && edgeNode == nil) {
+ edgeNode = [[Node alloc] init];
+ }
+#if defined (__APPLE__)
+ [self didChangeValueForKey:@"edgeNode"];
+ [self didChangeValueForKey:@"hasEdgeNode"];
+#endif
+}
+
+- (GraphElementData*)data {return data;}
+- (void)setData:(GraphElementData*)dt {
+ if (data != dt) {
+ [data release];
+ data = [dt copy];
+ }
+}
+
+- (void)updateData {
+ // unset everything to avoid redundant defs
+ [data unsetAtom:@"loop"];
+ [data unsetProperty:@"in"];
+ [data unsetProperty:@"out"];
+ [data unsetAtom:@"bend left"];
+ [data unsetAtom:@"bend right"];
+ [data unsetProperty:@"bend left"];
+ [data unsetProperty:@"bend right"];
+ [data unsetProperty:@"looseness"];
+
+ if (style == nil) {
+ [data unsetProperty:@"style"];
+ } else {
+ [data setProperty:[style name] forKey:@"style"];
+ }
+
+ if (bendMode == EdgeBendModeBasic && bend != 0) {
+ NSString *bendkey = @"bend right";
+ int b = [self bend];
+ if (b < 0) {
+ bendkey = @"bend left";
+ b = -b;
+ }
+
+ if (b == 30) {
+ [data setAtom:bendkey];
+ } else {
+ [data setProperty:[NSString stringWithFormat:@"%d",b] forKey:bendkey];
+ }
+
+ } else if (bendMode == EdgeBendModeInOut) {
+ [data setProperty:[NSString stringWithFormat:@"%d",inAngle]
+ forKey:@"in"];
+ [data setProperty:[NSString stringWithFormat:@"%d",outAngle]
+ forKey:@"out"];
+ }
+
+ // loop needs to come after in/out
+ if (source == target) [data setAtom:@"loop"];
+
+ if (!(
+ ([self isSelfLoop]) ||
+ (source!=target && weight == 0.4f)
+ ))
+ {
+ [data setProperty:[NSString stringWithFormat:@"%.2f",weight*2.5f]
+ forKey:@"looseness"];
+ }
+}
+
+- (void)setAttributesFromData {
+ bendMode = EdgeBendModeBasic;
+
+ if ([data isAtomSet:@"bend left"]) {
+ bend = -30;
+ } else if ([data isAtomSet:@"bend right"]) {
+ bend = 30;
+ } else if ([data propertyForKey:@"bend left"] != nil) {
+ NSString *bnd = [data propertyForKey:@"bend left"];
+ bend = -[bnd intValue];
+ } else if ([data propertyForKey:@"bend right"] != nil) {
+ NSString *bnd = [data propertyForKey:@"bend right"];
+ bend = [bnd intValue];
+ } else {
+ bend = 0;
+
+ if ([data propertyForKey:@"in"] != nil && [data propertyForKey:@"out"] != nil) {
+ bendMode = EdgeBendModeInOut;
+ inAngle = [[data propertyForKey:@"in"] intValue];
+ outAngle = [[data propertyForKey:@"out"] intValue];
+ }
+ }
+
+ if ([data propertyForKey:@"looseness"] != nil) {
+ weight = [[data propertyForKey:@"looseness"] floatValue] / 2.5f;
+ } else {
+ weight = ([self isSelfLoop]) ? 1.0f : 0.4f;
+ }
+}
+
+- (void)setPropertiesFromEdge:(Edge*)e {
+ Node *en = [[e edgeNode] copy];
+ [self setEdgeNode:en];
+ [en release];
+
+ GraphElementData *d = [[e data] copy];
+ [self setData:d];
+ [d release];
+
+ [self setStyle:[e style]];
+ [self setBend:[e bend]];
+ [self setInAngle:[e inAngle]];
+ [self setOutAngle:[e outAngle]];
+ [self setBendMode:[e bendMode]];
+ [self setWeight:[e weight]];
+
+ dirty = YES; // cached data will be recomputed lazily, rather than copied
+}
+
+- (NSRect)boundingRect {
+ [self updateControls];
+ return NSRectAround4Points(src, targ, cp1, cp2);
+}
+
+- (void) adjustWeight:(float)handle_dist withCourseness:(float)wcourseness {
+ float base_dist = NSDistanceBetweenPoints (src, targ);
+ if (base_dist == 0.0f) {
+ base_dist = 1.0f;
+ }
+
+ [self setWeight:roundToNearest(wcourseness, handle_dist / base_dist)];
+}
+
+- (float) angleOf:(NSPoint)point relativeTo:(NSPoint)base {
+ float dx = point.x - base.x;
+ float dy = point.y - base.y;
+ return radiansToDegrees (good_atan(dx, dy));
+}
+
+- (void) moveCp1To:(NSPoint)point withWeightCourseness:(float)wc andBendCourseness:(int)bc forceLinkControlPoints:(BOOL)link {
+ [self updateControls];
+ [self adjustWeight:NSDistanceBetweenPoints (point, src) withCourseness:wc];
+
+ float control_angle = [self angleOf:point relativeTo:src];
+ if (bendMode == EdgeBendModeBasic) {
+ float base_angle = [self angleOf:targ relativeTo:src];
+ int b = (int)roundToNearest (bc, base_angle - control_angle);
+ [self setBend:b];
+ } else {
+ int angle = (int)roundToNearest (bc, control_angle);
+ if (link) {
+ [self setInAngle:(inAngle + angle - outAngle)];
+ }
+ [self setOutAngle:angle];
+ }
+}
+
+- (void) moveCp1To:(NSPoint)point {
+ [self moveCp1To:point withWeightCourseness:0.0f andBendCourseness:0 forceLinkControlPoints:NO];
+}
+
+- (void) moveCp2To:(NSPoint)point withWeightCourseness:(float)wc andBendCourseness:(int)bc forceLinkControlPoints:(BOOL)link {
+ [self updateControls];
+
+ if (![self isSelfLoop]) {
+ [self adjustWeight:NSDistanceBetweenPoints (point, targ) withCourseness:wc];
+ }
+
+ float control_angle = [self angleOf:point relativeTo:targ];
+ if (bendMode == EdgeBendModeBasic) {
+ float base_angle = [self angleOf:src relativeTo:targ];
+ int b = (int)roundToNearest (bc, control_angle - base_angle);
+ [self setBend:b];
+ } else {
+ int angle = (int)roundToNearest (bc, control_angle);
+ if (link) {
+ [self setOutAngle:(outAngle + angle - inAngle)];
+ }
+ [self setInAngle: angle];
+ }
+}
+
+- (void) moveCp2To:(NSPoint)point {
+ [self moveCp2To:point withWeightCourseness:0.0f andBendCourseness:0 forceLinkControlPoints:NO];
+}
+
+- (void)reverse {
+ Node *n;
+ float f;
+
+ n = source;
+ source = target;
+ target = n;
+
+ f = inAngle;
+ inAngle = outAngle;
+ outAngle = f;
+
+ bend = -1 * bend;
+
+ dirty = YES;
+}
+
+- (void)dealloc {
+ [self setSource:nil];
+ [self setTarget:nil];
+ [self setData:nil];
+ [super dealloc];
+}
+
+- (id)copy {
+ Edge *cp = [[Edge alloc] init];
+ [cp setSource:[self source]];
+ [cp setTarget:[self target]];
+ [cp setPropertiesFromEdge:self];
+ return cp;
+}
+
++ (Edge*)edge {
+ return [[[Edge alloc] init] autorelease];
+}
+
++ (Edge*)edgeWithSource:(Node*)s andTarget:(Node*)t {
+ return [[[Edge alloc] initWithSource:s andTarget:t] autorelease];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/EdgeStyle.h b/tikzit/src/common/EdgeStyle.h
new file mode 100644
index 0000000..19ca173
--- /dev/null
+++ b/tikzit/src/common/EdgeStyle.h
@@ -0,0 +1,60 @@
+//
+// EdgeStyle.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "PropertyHolder.h"
+
+typedef enum {
+ AH_None = 0,
+ AH_Plain = 1,
+ AH_Latex = 2
+} ArrowHeadStyle;
+
+typedef enum {
+ ED_None = 0,
+ ED_Arrow = 1,
+ ED_Tick = 2
+} EdgeDectorationStyle;
+
+@interface EdgeStyle : PropertyHolder {
+ ArrowHeadStyle headStyle, tailStyle;
+ EdgeDectorationStyle decorationStyle;
+ float thickness;
+ NSString *name;
+ NSString *category;
+}
+
+@property (copy) NSString *name;
+@property (copy) NSString *category;
+@property (assign) ArrowHeadStyle headStyle;
+@property (assign) ArrowHeadStyle tailStyle;
+@property (assign) EdgeDectorationStyle decorationStyle;
+@property (assign) float thickness;
+
+- (id)init;
+- (id)initWithName:(NSString*)nm;
++ (EdgeStyle*)defaultEdgeStyleWithName:(NSString*)nm;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/EdgeStyle.m b/tikzit/src/common/EdgeStyle.m
new file mode 100644
index 0000000..641d898
--- /dev/null
+++ b/tikzit/src/common/EdgeStyle.m
@@ -0,0 +1,114 @@
+//
+// EdgeStyle.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "EdgeStyle.h"
+
+@implementation EdgeStyle
+
+- (id)init {
+ self = [super initWithNotificationName:@"EdgeStylePropertyChanged"];
+
+ if (self != nil) {
+ headStyle = AH_None;
+ tailStyle = AH_None;
+ decorationStyle = ED_None;
+ name = @"new";
+ category = nil;
+ thickness = 1.0f;
+ }
+
+ return self;
+}
+
+- (id)initWithName:(NSString*)nm {
+ self = [self init];
+
+ if (self != nil) {
+ [self setName:nm];
+ }
+
+ return self;
+}
+
++ (EdgeStyle*)defaultEdgeStyleWithName:(NSString*)nm {
+ return [[[EdgeStyle alloc] initWithName:nm] autorelease];
+}
+
+- (NSString*)name { return name; }
+- (void)setName:(NSString *)s {
+ if (name != s) {
+ NSString *oldValue = name;
+ name = [s copy];
+ [self postPropertyChanged:@"name" oldValue:oldValue];
+ [oldValue release];
+ }
+}
+
+- (ArrowHeadStyle)headStyle { return headStyle; }
+- (void)setHeadStyle:(ArrowHeadStyle)s {
+ ArrowHeadStyle oldValue = headStyle;
+ headStyle = s;
+ [self postPropertyChanged:@"headStyle" oldValue:[NSNumber numberWithInt:oldValue]];
+}
+
+- (ArrowHeadStyle)tailStyle { return tailStyle; }
+- (void)setTailStyle:(ArrowHeadStyle)s {
+ ArrowHeadStyle oldValue = tailStyle;
+ tailStyle = s;
+ [self postPropertyChanged:@"tailStyle" oldValue:[NSNumber numberWithInt:oldValue]];
+}
+
+- (EdgeDectorationStyle)decorationStyle { return decorationStyle; }
+- (void)setDecorationStyle:(EdgeDectorationStyle)s {
+ EdgeDectorationStyle oldValue = decorationStyle;
+ decorationStyle = s;
+ [self postPropertyChanged:@"decorationStyle" oldValue:[NSNumber numberWithInt:oldValue]];
+}
+- (float)thickness { return thickness; }
+- (void)setThickness:(float)s {
+ float oldValue = thickness;
+ thickness = s;
+ [self postPropertyChanged:@"thickness" oldValue:[NSNumber numberWithFloat:oldValue]];
+}
+
+- (NSString*)category {
+ return category;
+}
+
+- (void)setCategory:(NSString *)s {
+ if (category != s) {
+ NSString *oldValue = category;
+ category = [s copy];
+ [self postPropertyChanged:@"category" oldValue:oldValue];
+ [oldValue release];
+ }
+}
+
+- (void)dealloc {
+ [name release];
+ [super dealloc];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/Graph.h b/tikzit/src/common/Graph.h
new file mode 100644
index 0000000..fe8c2e5
--- /dev/null
+++ b/tikzit/src/common/Graph.h
@@ -0,0 +1,279 @@
+//
+// Graph.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+
+/*!
+
+ @mainpage TikZiT
+ TikZiT is a GUI application for drawing, editing, and parsing TikZ
+ diagrams. Common code is in src/common, and plaform-specific code is
+ in src/{osx,linux}.
+
+ */
+
+
+#import "Node.h"
+#import "Edge.h"
+#import "GraphChange.h"
+#import "BasicMapTable.h"
+#import "Transformer.h"
+
+/*!
+ @class Graph
+ @brief Store a graph, output to TikZ.
+ @details All of the methods that change a graph return an object of type GraphChange.
+ Graph changes can be re-done by calling applyGraphChange. They can be undone
+ by calling applyGraphChange on [change inverse].
+ */
+@interface Graph : NSObject {
+ NSLock *graphLock;
+ BOOL dirty; // this bit keeps track of whether nodesCache and edgesCache are up to date
+ NSMutableSet *nodes;
+ NSMutableSet *edges;
+ NSSet *nodesCache;
+ NSSet *edgesCache;
+
+ BasicMapTable *inEdges;
+ BasicMapTable *outEdges;
+
+ GraphElementData *data;
+ NSRect boundingBox;
+}
+
+/*!
+ @property data
+ @brief Data associated with the graph.
+ */
+@property (copy) GraphElementData *data;
+
+/*!
+ @property nodes
+ @brief The set of nodes.
+ @details The node set is cached internally, so no need to lock
+ the graph when enumerating.
+ */
+@property (readonly) NSSet *nodes;
+
+/*!
+ @property edges
+ @brief The set of edges.
+ @details The edge set is cached internally, so no need to lock
+ the graph when enumerating.
+ */
+@property (readonly) NSSet *edges;
+
+/*!
+ @property boundingBox
+ @brief The bounding box of a graph
+ @details Optional data containing the bounding box, set with
+ \path [use as bounding box] ....
+ */
+@property (assign) NSRect boundingBox;
+
+/*!
+ @property hasBoundingBox
+ @brief Returns true if this graph has a bounding box.
+ */
+@property (readonly) BOOL hasBoundingBox;
+
+
+/*!
+ @brief Computes graph bounds.
+ @result Graph bounds.
+ */
+- (NSRect)bounds;
+
+/*!
+ @brief Returns the set of edges incident to the given node set.
+ @param nds a set of nodes.
+ @result A set of incident edges.
+ */
+- (NSSet*)incidentEdgesForNodes:(NSSet*)nds;
+
+/*!
+ @brief Returns the set of in-edges for this node.
+ @param nd a node.
+ @result A set of edges.
+*/
+- (NSSet*)inEdgesForNode:(Node*)nd;
+
+/*!
+ @brief Returns the set of out-edges for this node.
+ @param nd a node.
+ @result A set of edges.
+*/
+- (NSSet*)outEdgesForNode:(Node*)nd;
+
+/*!
+ @brief Gives a copy of the full subgraph with the given nodes.
+ @param nds a set of nodes.
+ @result A subgraph.
+ */
+- (Graph*)copyOfSubgraphWithNodes:(NSSet*)nds;
+
+/*!
+ @brief Gives a set of edge-arrays that partition all of the edges in the graph.
+ @result An NSet of NSArrays of edges.
+ */
+- (NSSet*)pathCover;
+
+/*!
+ @brief Adds a node.
+ @param node
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)addNode:(Node*)node;
+
+/*!
+ @brief Removes a node.
+ @param node
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)removeNode:(Node*)node;
+
+/*!
+ @brief Removes a set of nodes.
+ @param nds a set of nodes
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)removeNodes:(NSSet *)nds;
+
+/*!
+ @brief Adds an edge.
+ @param edge
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)addEdge:(Edge*)edge;
+
+/*!
+ @brief Removed an edge.
+ @param edge
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)removeEdge:(Edge*)edge;
+
+/*!
+ @brief Removes a set of edges.
+ @param es a set of edges.
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)removeEdges:(NSSet *)es;
+
+/*!
+ @brief Convenience function, intializes an edge with the given
+ source and target and adds it.
+ @param source the source of the edge.
+ @param target the target of the edge.
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)addEdgeFrom:(Node*)source to:(Node*)target;
+
+/*!
+ @brief Transform every node in the graph to screen space.
+ @param t a transformer
+ */
+- (void)applyTransformer:(Transformer*)t;
+
+/*!
+ @brief Shift nodes by a given distance.
+ @param ns a set of nodes.
+ @param p an x and y distance, given as an NSPoint.
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)shiftNodes:(NSSet*)ns byPoint:(NSPoint)p;
+
+/*!
+ @brief Insert the given graph into this one. Used for copy
+ and paste.
+ @param g a graph.
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)insertGraph:(Graph*)g;
+
+/*!
+ @brief Flip the subgraph defined by the given node set
+ horizontally.
+ @param nds a set of nodes.
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)flipHorizontalNodes:(NSSet*)nds;
+
+/*!
+ @brief Flip the subgraph defined by the given node set
+ vertically.
+ @param nds a set of nodes.
+ @result A <tt>GraphChange</tt> recording this action.
+ */
+- (GraphChange*)flipVerticalNodes:(NSSet*)nds;
+
+/*!
+ @brief Apply a graph change.
+ @details An undo manager should maintain a stack of GraphChange
+ objects returned. To undo a GraphChange, call this method
+ with <tt>[change inverse]</tt> as is argument.
+ @param ch a graph change.
+ */
+- (void)applyGraphChange:(GraphChange*)ch;
+
+/*!
+ @brief The TikZ representation of this graph.
+ @details The TikZ representation of this graph. The TikZ code should
+ contain enough data to totally reconstruct the graph.
+ @result A string containing TikZ code.
+ */
+- (NSString*)tikz;
+
+/*!
+ @brief Copy the node set and return a table of copies, whose
+ keys are the original nodes. This is used to save the state
+ of a set of nodes in a GraphChange.
+ @param nds a set of nodes.
+ @result A <tt>BasicMapTable</tt> of node copies.
+ */
++ (BasicMapTable*)nodeTableForNodes:(NSSet*)nds;
+
+/*!
+ @brief Copy the edge set and return a table of copies, whose
+ keys are the original edges. This is used to save the state
+ of a set of edges in a GraphChange.
+ @param es a set of edges.
+ @result A <tt>BasicMapTable</tt> of edge copies.
+ */
++ (BasicMapTable*)edgeTableForEdges:(NSSet*)es;
+
+/*!
+ @brief Compute the bounds for a set of nodes.
+ @param nds a set of nodes.
+ @result The bounds.
+ */
++ (NSRect)boundsForNodeSet:(NSSet *)nds;
+
+/*!
+ @brief Factory method for constructing graphs.
+ @result An empty graph.
+ */
++ (Graph*)graph;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/Graph.m b/tikzit/src/common/Graph.m
new file mode 100644
index 0000000..62774f5
--- /dev/null
+++ b/tikzit/src/common/Graph.m
@@ -0,0 +1,599 @@
+//
+// Graph.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Graph.h"
+#import "BasicMapTable.h"
+
+@implementation Graph
+
+- (Graph*)init {
+ [super init];
+ data = [[GraphElementData alloc] init];
+ boundingBox = NSMakeRect(0, 0, 0, 0);
+ graphLock = [[NSRecursiveLock alloc] init];
+ [graphLock lock];
+ nodes = [[NSMutableSet alloc] initWithCapacity:10];
+ edges = [[NSMutableSet alloc] initWithCapacity:10];
+ inEdges = nil;
+ outEdges = nil;
+ dirty = YES;
+ [graphLock unlock];
+ return self;
+}
+
+- (void)sync {
+ [graphLock lock];
+ if (dirty) {
+ [nodesCache release];
+ nodesCache = [nodes copy];
+ [edgesCache release];
+ edgesCache = [edges copy];
+
+
+ [inEdges release];
+ [outEdges release];
+ inEdges = [[BasicMapTable alloc] init];
+ outEdges = [[BasicMapTable alloc] init];
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ for (Edge *e in edges) {
+ NSMutableSet *ie = [inEdges objectForKey:[e target]];
+ NSMutableSet *oe = [outEdges objectForKey:[e source]];
+
+ if (ie == nil) {
+ ie = [NSMutableSet setWithCapacity:4];
+ [inEdges setObject:ie forKey:[e target]];
+ }
+
+ if (oe == nil) {
+ oe = [NSMutableSet setWithCapacity:4];
+ [outEdges setObject:oe forKey:[e source]];
+ }
+
+ [ie addObject:e];
+ [oe addObject:e];
+ }
+
+ [pool drain];
+
+
+ dirty = NO;
+ }
+ [graphLock unlock];
+}
+
+- (NSSet*)nodes {
+ [self sync];
+ return nodesCache;
+}
+
+- (NSSet*)edges {
+ [self sync];
+ return edgesCache;
+}
+
+- (NSRect)bounds {
+ [graphLock lock];
+ NSRect b = [Graph boundsForNodeSet:nodes];
+ [graphLock unlock];
+ return b;
+}
+
+- (GraphElementData*)data { return data; }
+- (void)setData:(GraphElementData *)dt {
+ if (data != dt) {
+ [data release];
+ data = [dt copy];
+ }
+}
+
+- (NSRect)boundingBox { return boundingBox; }
+- (void)setBoundingBox:(NSRect)r {
+ boundingBox = r;
+}
+
+- (BOOL)hasBoundingBox {
+ return !(
+ boundingBox.size.width == 0 &&
+ boundingBox.size.height == 0
+ );
+}
+
+- (NSSet*)inEdgesForNode:(Node*)nd {
+ return [[[inEdges objectForKey:nd] retain] autorelease];
+}
+
+- (NSSet*)outEdgesForNode:(Node*)nd {
+ return [[[outEdges objectForKey:nd] retain] autorelease];
+}
+
+- (NSSet*)incidentEdgesForNodes:(NSSet*)nds {
+ [self sync];
+
+ NSMutableSet *mset = [NSMutableSet setWithCapacity:10];
+ for (Node *n in nds) {
+ [mset unionSet:[self inEdgesForNode:n]];
+ [mset unionSet:[self outEdgesForNode:n]];
+ }
+
+ return mset;
+}
+
+- (void)applyTransformer:(Transformer *)t {
+ [graphLock lock];
+ for (Node *n in nodes) {
+ [n setPoint:[t toScreen:[n point]]];
+ }
+ [graphLock unlock];
+}
+
+
+- (GraphChange*)addNode:(Node *)node{
+ [graphLock lock];
+ [nodes addObject:node];
+ dirty = YES;
+ [graphLock unlock];
+
+ return [GraphChange graphAdditionWithNodes:[NSSet setWithObject:node]
+ edges:[NSSet set]];
+}
+
+- (GraphChange*)removeNode:(Node*)node {
+ [graphLock lock];
+
+ NSMutableSet *affectedEdges = [NSMutableSet set];
+ for (Edge *e in edges) {
+ if ([e source] == node || [e target] == node) {
+ [affectedEdges addObject:e];
+ }
+ }
+
+ for (Edge *e in affectedEdges) {
+ [edges removeObject:e];
+ }
+
+ [nodes removeObject:node];
+
+ dirty = YES;
+
+ [graphLock unlock];
+
+ return [GraphChange graphDeletionWithNodes:[NSSet setWithObject:node]
+ edges:affectedEdges];
+}
+
+- (GraphChange*)removeNodes:(NSSet *)nds {
+ [graphLock lock];
+
+ Node *n;
+ Edge *e;
+
+ NSMutableSet *affectedEdges = [NSMutableSet set];
+ NSEnumerator *en = [edges objectEnumerator];
+ while ((e = [en nextObject])) {
+ if ([nds containsObject:[e source]] || [nds containsObject:[e target]]) {
+ [affectedEdges addObject:e];
+ }
+ }
+
+ en = [affectedEdges objectEnumerator];
+ while ((e = [en nextObject])) [edges removeObject:e];
+
+ en = [nds objectEnumerator];
+ while ((n = [en nextObject])) [nodes removeObject:n];
+
+ dirty = YES;
+ [graphLock unlock];
+
+ return [GraphChange graphDeletionWithNodes:nds edges:affectedEdges];
+}
+
+- (GraphChange*)addEdge:(Edge *)edge {
+ [graphLock lock];
+ [edges addObject:edge];
+ dirty = YES;
+ [graphLock unlock];
+ return [GraphChange graphAdditionWithNodes:[NSSet set]
+ edges:[NSSet setWithObject:edge]];
+}
+
+- (GraphChange*)removeEdge:(Edge *)edge {
+ [graphLock lock];
+ [edges removeObject:edge];
+ dirty = YES;
+ [graphLock unlock];
+ return [GraphChange graphDeletionWithNodes:[NSSet set]
+ edges:[NSSet setWithObject:edge]];
+}
+
+- (GraphChange*)removeEdges:(NSSet *)es {
+ [graphLock lock];
+
+ NSEnumerator *en = [es objectEnumerator];
+ Edge *e;
+ while ((e = [en nextObject])) {
+ [edges removeObject:e];
+ }
+ dirty = YES;
+ [graphLock unlock];
+ return [GraphChange graphDeletionWithNodes:[NSSet set] edges:es];
+}
+
+- (GraphChange*)addEdgeFrom:(Node *)source to:(Node *)target {
+ return [self addEdge:[Edge edgeWithSource:source andTarget:target]];
+}
+
+- (GraphChange*)shiftNodes:(NSSet*)ns byPoint:(NSPoint)p {
+ NSEnumerator *en = [ns objectEnumerator];
+ Node *n;
+ NSPoint newLoc;
+ while ((n = [en nextObject])) {
+ newLoc = NSMakePoint([n point].x + p.x, [n point].y + p.y);
+ [n setPoint:newLoc];
+ }
+ return [GraphChange shiftNodes:ns byPoint:p];
+}
+
+- (GraphChange*)insertGraph:(Graph*)g {
+ [graphLock lock];
+ NSEnumerator *en;
+ Node *n;
+ Edge *e;
+
+ en = [[g nodes] objectEnumerator];
+ while ((n = [en nextObject])) {
+ [nodes addObject:n];
+ }
+
+ en = [[g edges] objectEnumerator];
+ while ((e = [en nextObject])) {
+ [edges addObject:e];
+ }
+
+ dirty = YES;
+
+ [graphLock unlock];
+
+ return [GraphChange graphAdditionWithNodes:[g nodes] edges:[g edges]];
+}
+
+- (void)flipNodes:(NSSet*)nds horizontal:(BOOL)horiz {
+ [graphLock lock];
+
+ NSRect bds = [Graph boundsForNodeSet:nds];
+ float ctr;
+ if (horiz) ctr = bds.origin.x + (bds.size.width/2);
+ else ctr = bds.origin.y + (bds.size.height/2);
+
+ Node *n;
+ NSPoint p;
+ NSEnumerator *en = [nds objectEnumerator];
+ while ((n = [en nextObject])) {
+ p = [n point];
+ if (horiz) p.x = 2 * ctr - p.x;
+ else p.y = 2 * ctr - p.y;
+ [n setPoint:p];
+ }
+
+ Edge *e;
+ en = [edges objectEnumerator];
+ while ((e = [en nextObject])) {
+ if ([nds containsObject:[e source]] &&
+ [nds containsObject:[e target]])
+ {
+ if ([e bendMode] == EdgeBendModeInOut) {
+ if (horiz) {
+ if ([e inAngle] < 0) [e setInAngle:(-180 - [e inAngle])];
+ else [e setInAngle:180 - [e inAngle]];
+
+ if ([e outAngle] < 0) [e setOutAngle:(-180 - [e outAngle])];
+ else [e setOutAngle:180 - [e outAngle]];
+ } else {
+ [e setInAngle:-[e inAngle]];
+ [e setOutAngle:-[e outAngle]];
+ }
+ } else {
+ [e setBend:-[e bend]];
+ }
+ }
+ }
+
+ [graphLock unlock];
+}
+
+- (GraphChange*)flipHorizontalNodes:(NSSet*)nds {
+ [self flipNodes:nds horizontal:YES];
+ return [GraphChange flipNodes:nds horizontal:YES];
+}
+
+- (GraphChange*)flipVerticalNodes:(NSSet*)nds {
+ [self flipNodes:nds horizontal:NO];
+ return [GraphChange flipNodes:nds horizontal:NO];
+}
+
+- (Graph*)copyOfSubgraphWithNodes:(NSSet*)nds {
+ [graphLock lock];
+
+ BasicMapTable *newNds = [Graph nodeTableForNodes:nds];
+ Graph* newGraph = [[Graph graph] retain];
+
+ NSEnumerator *en = [newNds objectEnumerator];
+ Node *nd;
+ while ((nd = [en nextObject])) {
+ [newGraph addNode:nd];
+ }
+
+ en = [edges objectEnumerator];
+ Edge *e;
+ while ((e = [en nextObject])) {
+ if ([nds containsObject:[e source]] && [nds containsObject:[e target]]) {
+ Edge *e1 = [e copy];
+ [e1 setSource:[newNds objectForKey:[e source]]];
+ [e1 setTarget:[newNds objectForKey:[e target]]];
+ [newGraph addEdge:e1];
+ [e1 release]; // e1 belongs to newGraph
+ }
+ }
+
+ [graphLock unlock];
+
+ return newGraph;
+}
+
+- (NSSet*)pathCover {
+ [self sync];
+
+ NSMutableSet *remainingEdges = [edges mutableCopy];
+ NSMutableSet *cover = [NSMutableSet set];
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ while ([remainingEdges count] != 0) {
+ NSMutableArray *path = [[NSMutableArray alloc] init];
+ NSSet *succs;
+ Edge *succ;
+ NSEnumerator *en;
+
+ Edge *e = [remainingEdges anyObject];
+
+ while (e!=nil) {
+ [path addObject:e];
+ [remainingEdges removeObject:e];
+
+ succs = [self outEdgesForNode:[e target]];
+ en = [succs objectEnumerator];
+ e = nil;
+
+ while ((succ = [en nextObject])) {
+ if ([remainingEdges containsObject:succ]) e = succ;
+ }
+ }
+
+ [cover addObject:path];
+ [path release];
+ }
+
+ [pool drain];
+ [remainingEdges release];
+ return cover;
+}
+
+- (void)applyGraphChange:(GraphChange*)ch {
+ [graphLock lock];
+ Node *n;
+ Edge *e;
+ NSEnumerator *en;
+ switch ([ch changeType]) {
+ case GraphAddition:
+ en = [[ch affectedNodes] objectEnumerator];
+ while ((n = [en nextObject])) [nodes addObject:n];
+
+ en = [[ch affectedEdges] objectEnumerator];
+ while ((e = [en nextObject])) [edges addObject:e];
+
+ break;
+ case GraphDeletion:
+ en = [[ch affectedEdges] objectEnumerator];
+ while ((e = [en nextObject])) [edges removeObject:e];
+
+ en = [[ch affectedNodes] objectEnumerator];
+ while ((n = [en nextObject])) [nodes removeObject:n];
+
+ break;
+ case NodePropertyChange:
+ [[ch nodeRef] setPropertiesFromNode:[ch nwNode]];
+ break;
+ case NodesPropertyChange:
+ en = [[ch nwNodeTable] keyEnumerator];
+ Node *key;
+ while ((key = [en nextObject])) {
+ [key setPropertiesFromNode:[[ch nwNodeTable] objectForKey:key]];
+ }
+ break;
+ case EdgePropertyChange:
+ [[ch edgeRef] setPropertiesFromEdge:[ch nwEdge]];
+ break;
+ case NodesShift:
+ en = [[ch affectedNodes] objectEnumerator];
+ NSPoint newLoc;
+ while ((n = [en nextObject])) {
+ newLoc = NSMakePoint([n point].x + [ch shiftPoint].x,
+ [n point].y + [ch shiftPoint].y);
+ [n setPoint:newLoc];
+ }
+ break;
+ case NodesFlip:
+ [self flipNodes:[ch affectedNodes] horizontal:[ch horizontal]];
+ break;
+ case BoundingBoxChange:
+ [self setBoundingBox:[ch nwBoundingBox]];
+ break;
+ case GraphPropertyChange:
+ [self setData:[ch nwGraphData]];
+ break;
+ }
+
+ dirty = YES;
+ [graphLock unlock];
+}
+
+//- (void)undoGraphChange:(GraphChange*)ch {
+// [self applyGraphChange:[GraphChange inverseGraphChange:ch]];
+//}
+
+- (NSString*)tikz {
+ [graphLock lock];
+
+ NSMutableString *code = [NSMutableString
+ stringWithFormat:@"\\begin{tikzpicture}%@\n",
+ [[self data] stringList]];
+
+ if ([self hasBoundingBox]) {
+ [code appendFormat:@"\t\\path [use as bounding box] (%@,%@) rectangle (%@,%@);\n",
+ [NSNumber numberWithFloat:boundingBox.origin.x],
+ [NSNumber numberWithFloat:boundingBox.origin.y],
+ [NSNumber numberWithFloat:boundingBox.origin.x + boundingBox.size.width],
+ [NSNumber numberWithFloat:boundingBox.origin.y + boundingBox.size.height]];
+ }
+
+ NSArray *sortedNodeList = [[nodes allObjects]
+ sortedArrayUsingSelector:@selector(compareTo:)];
+ //NSMutableDictionary *nodeNames = [NSMutableDictionary dictionary];
+
+ if ([nodes count] > 0) [code appendFormat:@"\t\\begin{pgfonlayer}{nodelayer}\n"];
+
+ int i;
+ for (i = 0; i < [sortedNodeList count]; ++i) {
+ Node *n = [sortedNodeList objectAtIndex:i];
+ [n updateData];
+ [n setName:[NSString stringWithFormat:@"%d", i]];
+ [code appendFormat:@"\t\t\\node %@ (%d) at (%@, %@) {%@};\n",
+ [[n data] stringList],
+ i,
+ [NSNumber numberWithFloat:[n point].x],
+ [NSNumber numberWithFloat:[n point].y],
+ [n label]
+ ];
+ }
+
+ if ([nodes count] > 0) [code appendFormat:@"\t\\end{pgfonlayer}\n"];
+ if ([edges count] > 0) [code appendFormat:@"\t\\begin{pgfonlayer}{edgelayer}\n"];
+
+ NSString *nodeStr;
+ for (Edge *e in edges) {
+ [e updateData];
+
+ if ([e hasEdgeNode]) {
+ nodeStr = [NSString stringWithFormat:@"node%@{%@} ",
+ [[[e edgeNode] data] stringList],
+ [[e edgeNode] label]
+ ];
+ } else {
+ nodeStr = @"";
+ }
+
+ NSString *edata = [[e data] stringList];
+
+ [code appendFormat:@"\t\t\\draw%@ (%@%@) to %@(%@%@);\n",
+ ([edata isEqual:@""]) ? @"" : [NSString stringWithFormat:@" %@", edata],
+ [[e source] name],
+ ([[e source] style] == nil) ? @".center" : @"",
+ nodeStr,
+ ([e source] == [e target]) ? @"" : [[e target] name],
+ ([e source] != [e target] && [[e target] style] == nil) ? @".center" : @""
+ ];
+ }
+
+ if ([edges count] > 0) [code appendFormat:@"\t\\end{pgfonlayer}\n"];
+
+ [code appendString:@"\\end{tikzpicture}"];
+
+ [graphLock unlock];
+
+ return code;
+}
+
+- (void)dealloc {
+ [graphLock lock];
+ [nodes release];
+ [edges release];
+ [nodesCache release];
+ [edgesCache release];
+ [data release];
+ [inEdges release];
+ [outEdges release];
+ [graphLock unlock];
+ [graphLock release];
+
+ [super dealloc];
+}
+
++ (Graph*)graph {
+ return [[[self alloc] init] autorelease];
+}
+
++ (BasicMapTable*)nodeTableForNodes:(NSSet*)nds {
+ BasicMapTable *tab = [BasicMapTable mapTable];
+ for (Node *n in nds) {
+ Node *ncopy = [n copy];
+ [tab setObject:ncopy forKey:n];
+ [ncopy release]; // tab should still retain ncopy.
+ }
+ return tab;
+}
+
++ (BasicMapTable*)edgeTableForEdges:(NSSet*)es {
+ BasicMapTable *tab = [BasicMapTable mapTable];
+ for (Edge *e in es) {
+ Edge *ecopy = [e copy];
+ [tab setObject:ecopy forKey:e];
+ [ecopy release]; // tab should still retain ecopy.
+ }
+ return tab;
+}
+
++ (NSRect)boundsForNodeSet:(NSSet*)nds {
+ NSPoint tl, br;
+ Node *n;
+ NSPoint p;
+ NSEnumerator *en = [nds objectEnumerator];
+ if ((n = [en nextObject])==nil) {
+ return NSMakeRect(0, 0, 0, 0);
+ }
+ p = [n point];
+ tl = p;
+ br = p;
+ while ((n = [en nextObject])) {
+ p = [n point];
+ if (p.x < tl.x) tl.x = p.x;
+ if (p.y > tl.y) tl.y = p.y;
+ if (p.x > br.x) br.x = p.x;
+ if (p.y < br.y) br.y = p.y;
+ }
+ return NSRectAroundPoints(tl, br);
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/GraphChange.h b/tikzit/src/common/GraphChange.h
new file mode 100644
index 0000000..0ad0c97
--- /dev/null
+++ b/tikzit/src/common/GraphChange.h
@@ -0,0 +1,266 @@
+//
+// GraphChange.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Node.h"
+#import "Edge.h"
+#import "BasicMapTable.h"
+
+typedef enum {
+ GraphAddition,
+ GraphDeletion,
+ NodePropertyChange,
+ EdgePropertyChange,
+ NodesPropertyChange,
+ NodesShift,
+ NodesFlip,
+ BoundingBoxChange,
+ GraphPropertyChange
+} ChangeType;
+
+/*!
+ @class GraphChange
+ @brief Store the data associated with a graph change.
+ @details All of the methods that change a graph return an object of type GraphChange.
+ Graph changes can be re-done by calling [graph applyGraphChange:]. They can be undone
+ by calling applyGraphChange on [change inverse]. This class has no public initializer,
+ so everything should be constructed by factory methods.
+ */
+@interface GraphChange : NSObject {
+ ChangeType changeType;
+
+ // for addition, deletion, and shifts
+ NSSet *affectedNodes;
+ NSSet *affectedEdges;
+ NSPoint shiftPoint;
+
+ // for flip
+ BOOL horizontal;
+
+ // for property changes
+ Node *nodeRef;
+ Edge *edgeRef;
+
+ Node *oldNode, *nwNode;
+ Edge *oldEdge, *nwEdge;
+ BasicMapTable *oldNodeTable, *nwNodeTable;
+ NSRect oldBoundingBox, nwBoundingBox;
+ GraphElementData *oldGraphData, *nwGraphData;
+}
+
+/*!
+ @property changeType
+ @brief Type of GraphChange.
+ */
+@property (assign) ChangeType changeType;
+
+/*!
+ @property shiftPoint
+ @brief A point storing a shifted distance.
+ */
+@property (assign) NSPoint shiftPoint;
+
+/*!
+ @property horizontal
+ @brief Flags whether nodes were flipped horizontally
+ */
+@property (assign) BOOL horizontal;
+
+/*!
+ @property affectedNodes
+ @brief A set of nodes affected by this change, may be undefined.
+ */
+@property (copy) NSSet *affectedNodes;
+
+/*!
+ @property affectedEdges
+ @brief A set of edges affected by this change, may be undefined.
+ */
+@property (copy) NSSet *affectedEdges;
+
+/*!
+ @property nodeRef
+ @brief A reference to a single node affected by this change, may be undefined.
+ */
+@property (retain) Node *nodeRef;
+
+/*!
+ @property oldNode
+ @brief A copy of the node pre-change.
+ */
+@property (copy) Node *oldNode;
+
+/*!
+ @property nwNode
+ @brief A copy of the node post-change.
+ */
+@property (copy) Node *nwNode;
+
+/*!
+ @property edgeRef
+ @brief A reference to a single edge affected by this change, may be undefined.
+ */
+@property (retain) Edge *edgeRef;
+
+/*!
+ @property oldEdge
+ @brief A copy of the edge pre-change.
+ */
+@property (copy) Edge *oldEdge;
+
+/*!
+ @property nwEdge
+ @brief A copy of the edge post-change.
+ */
+@property (copy) Edge *nwEdge;
+
+/*!
+ @property oldNodeTable
+ @brief A a table containing copies of a set of nodes pre-change.
+ */
+@property (retain) BasicMapTable *oldNodeTable;
+
+/*!
+ @property nwNodeTable
+ @brief A a table containing copies of a set of nodes post-change.
+ */
+@property (retain) BasicMapTable *nwNodeTable;
+
+/*!
+ @property oldBoundingBox
+ @brief The old bounding box.
+ */
+@property (assign) NSRect oldBoundingBox;
+
+/*!
+ @property nwBoundingBox
+ @brief The new bounding box.
+ */
+@property (assign) NSRect nwBoundingBox;
+
+/*!
+ @property oldGraphData
+ @brief The old graph data.
+ */
+@property (copy) GraphElementData *oldGraphData;
+
+/*!
+ @property nwGraphData
+ @brief The new graph data.
+ */
+@property (copy) GraphElementData *nwGraphData;
+
+/*!
+ @brief Invert a GraphChange.
+ @details Invert a GraphChange. Calling [graph applyGraphChange:[[graph msg:...] invert]]
+ should leave the graph unchanged for any method of Graph that returns a
+ GraphChange.
+ @result The inverse of the current Graph Change.
+ */
+- (GraphChange*)invert;
+
+/*!
+ @brief Construct a graph addition. affectedNodes are the added nodes,
+ affectedEdges are the added edges.
+ @param ns a set of nodes.
+ @param es a set of edges.
+ @result A graph addition.
+ */
++ (GraphChange*)graphAdditionWithNodes:(NSSet*)ns edges:(NSSet*)es;
+
+/*!
+ @brief Construct a graph deletion. affectedNodes are the deleted nodes,
+ affectedEdges are the deleted edges.
+ @param ns a set of nodes.
+ @param es a set of edges.
+ @result A graph deletion.
+ */
++ (GraphChange*)graphDeletionWithNodes:(NSSet*)ns edges:(NSSet*)es;
+
+/*!
+ @brief Construct a property change of a single node.
+ @param nd the affected node.
+ @param old a copy of the node pre-change
+ @param nw a copy of the node post-change
+ @result A property change of a single node.
+ */
++ (GraphChange*)propertyChangeOfNode:(Node*)nd fromOld:(Node*)old toNew:(Node*)nw;
+
+/*!
+ @brief Construct a property change of a single edge.
+ @param e the affected edge.
+ @param old a copy of the edge pre-change
+ @param nw a copy of the edge post-change
+ @result A property change of a single node.
+ */
++ (GraphChange*)propertyChangeOfEdge:(Edge*)e fromOld:(Edge *)old toNew:(Edge *)nw;
+
+/*!
+ @brief Construct a property change of set of nodes.
+ @details Construct a property change of set of nodes. oldC and newC should be
+ constructed using the class method [Graph nodeTableForNodes:] before
+ and after the property change, respectively. The affected nodes are
+ keys(oldC) = keys(newC).
+ @param oldC a table of copies of nodes pre-change
+ @param newC a table of copies of nodes post-change
+ @result A property change of a set of nodes.
+ */
++ (GraphChange*)propertyChangeOfNodesFromOldCopies:(BasicMapTable*)oldC
+ toNewCopies:(BasicMapTable*)newC;
+
+
+/*!
+ @brief Construct a shift of a set of nodes by a given point.
+ @param ns the affected nodes.
+ @param p a point storing (dx,dy)
+ @result A shift of a set of nodes.
+ */
++ (GraphChange*)shiftNodes:(NSSet*)ns byPoint:(NSPoint)p;
+
+
+/*!
+ @brief Construct a horizontal or vertical flip of a set of nodes.
+ @param ns the affected nodes.
+ @param b flag for whether to flip horizontally
+ @result A flip of a set of nodes.
+ */
++ (GraphChange*)flipNodes:(NSSet*)ns horizontal:(BOOL)b;
+
+/*!
+ @brief Construct a bounding box change
+ @param oldBB the old bounding box
+ @param newBB the new bounding box
+ @result A bounding box change.
+ */
++ (GraphChange*)changeBoundingBoxFrom:(NSRect)oldBB to:(NSRect)newBB;
+
+/*!
+ @brief Construct a graph property change
+ @param oldData the old graph data
+ @param newData the new graph data
+ @result A graph property change.
+ */
++ (GraphChange*)propertyChangeOfGraphFrom:(GraphElementData*)oldData to:(GraphElementData*)newData;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/GraphChange.m b/tikzit/src/common/GraphChange.m
new file mode 100644
index 0000000..d09e732
--- /dev/null
+++ b/tikzit/src/common/GraphChange.m
@@ -0,0 +1,324 @@
+//
+// GraphChange.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+
+// GraphChange : store the data associated to a single, undo-able change
+// to a graph. An undo manager should maintain a stack of such changes
+// and undo/redo them on request using [graph applyGraphChange:...].
+
+#import "GraphChange.h"
+
+
+@implementation GraphChange
+
+- (id)init {
+ [super init];
+ return self;
+}
+
+- (ChangeType)changeType { return changeType; }
+
+- (void)setChangeType:(ChangeType)ct {
+ changeType = ct;
+}
+
+- (BOOL)horizontal { return horizontal; }
+- (void)setHorizontal:(BOOL)b {
+ horizontal = b;
+}
+
+- (NSPoint)shiftPoint { return shiftPoint; }
+- (void)setShiftPoint:(NSPoint)p {
+ shiftPoint = p;
+}
+
+- (NSSet*)affectedNodes { return affectedNodes; }
+
+- (void)setAffectedNodes:(NSSet*)set {
+ if (affectedNodes != set) {
+ [affectedNodes release];
+ affectedNodes = [[NSSet alloc] initWithSet:set];
+ }
+}
+
+- (NSSet*)affectedEdges { return affectedEdges; }
+
+- (void)setAffectedEdges:(NSSet*)set {
+ if (affectedEdges != set) {
+ [affectedEdges release];
+ affectedEdges = [[NSSet alloc] initWithSet:set];
+ }
+}
+
+- (Node*)nodeRef { return nodeRef; }
+
+- (void)setNodeRef:(Node*)nd {
+ if (nodeRef != nd) {
+ [nodeRef release];
+ nodeRef = [nd retain];
+ }
+}
+
+- (Node*)oldNode { return oldNode; }
+
+- (void)setOldNode:(Node*)nd {
+ if (oldNode != nd) {
+ [oldNode release];
+ oldNode = [nd copy];
+ }
+}
+
+- (Node*)nwNode { return nwNode; }
+
+- (void)setNwNode:(Node*)nd {
+ if (nwNode != nd) {
+ [nwNode release];
+ nwNode = [nd copy];
+ }
+}
+
+- (Edge*)edgeRef { return edgeRef; }
+
+- (void)setEdgeRef:(Edge*)ed {
+ if (edgeRef != ed) {
+ [edgeRef release];
+ edgeRef = [ed retain];
+ }
+}
+
+- (Edge*)oldEdge { return oldEdge; }
+
+- (void)setOldEdge:(Edge*)ed {
+ if (oldEdge != ed) {
+ [oldEdge release];
+ oldEdge = [ed copy];
+ }
+}
+
+- (Edge*)nwEdge { return nwEdge; }
+
+- (void)setNwEdge:(Edge*)ed {
+ if (nwEdge != ed) {
+ [nwEdge release];
+ nwEdge = [ed copy];
+ }
+}
+
+- (BasicMapTable*)oldNodeTable { return oldNodeTable; }
+
+- (void)setOldNodeTable:(BasicMapTable*)tab {
+ if (oldNodeTable != tab) {
+ [oldNodeTable release];
+ oldNodeTable = [tab retain];
+ }
+}
+
+- (BasicMapTable*)nwNodeTable { return nwNodeTable; }
+
+- (void)setNwNodeTable:(BasicMapTable*)tab {
+ if (nwNodeTable != tab) {
+ [nwNodeTable release];
+ nwNodeTable = [tab retain];
+ }
+}
+
+- (NSRect)oldBoundingBox { return oldBoundingBox; }
+
+- (void)setOldBoundingBox:(NSRect)bbox {
+ oldBoundingBox = bbox;
+}
+
+- (NSRect)nwBoundingBox { return nwBoundingBox; }
+
+- (void)setNwBoundingBox:(NSRect)bbox {
+ nwBoundingBox = bbox;
+}
+
+- (GraphElementData*)oldGraphData {
+ return oldGraphData;
+}
+
+- (void)setOldGraphData:(GraphElementData*)data {
+ id origOGD = oldGraphData;
+ oldGraphData = [data copy];
+ [origOGD release];
+}
+
+- (GraphElementData*)nwGraphData {
+ return nwGraphData;
+}
+
+- (void)setNwGraphData:(GraphElementData*)data {
+ id origNGD = nwGraphData;
+ nwGraphData = [data copy];
+ [origNGD release];
+}
+
+- (GraphChange*)invert {
+ GraphChange *inverse = [[GraphChange alloc] init];
+ switch ([self changeType]) {
+ case GraphAddition:
+ [inverse setChangeType:GraphDeletion];
+ [inverse setAffectedNodes:[self affectedNodes]];
+ [inverse setAffectedEdges:[self affectedEdges]];
+ break;
+ case GraphDeletion:
+ [inverse setChangeType:GraphAddition];
+ [inverse setAffectedNodes:[self affectedNodes]];
+ [inverse setAffectedEdges:[self affectedEdges]];
+ break;
+ case NodePropertyChange:
+ [inverse setChangeType:NodePropertyChange];
+ [inverse setNodeRef:[self nodeRef]];
+ [inverse setOldNode:[self nwNode]];
+ [inverse setNwNode:[self oldNode]];
+ break;
+ case NodesPropertyChange:
+ [inverse setChangeType:NodesPropertyChange];
+ [inverse setOldNodeTable:[self nwNodeTable]];
+ [inverse setNwNodeTable:[self oldNodeTable]];
+ break;
+ case EdgePropertyChange:
+ [inverse setChangeType:EdgePropertyChange];
+ [inverse setEdgeRef:[self edgeRef]];
+ [inverse setOldEdge:[self nwEdge]];
+ [inverse setNwEdge:[self oldEdge]];
+ break;
+ case NodesShift:
+ [inverse setChangeType:NodesShift];
+ [inverse setAffectedNodes:[self affectedNodes]];
+ [inverse setShiftPoint:NSMakePoint(-[self shiftPoint].x,
+ -[self shiftPoint].y)];
+ break;
+ case NodesFlip:
+ [inverse setChangeType:NodesFlip];
+ [inverse setAffectedNodes:[self affectedNodes]];
+ [inverse setHorizontal:[self horizontal]];
+ break;
+ case BoundingBoxChange:
+ [inverse setChangeType:BoundingBoxChange];
+ [inverse setOldBoundingBox:[self nwBoundingBox]];
+ [inverse setNwBoundingBox:[self oldBoundingBox]];
+ break;
+ case GraphPropertyChange:
+ [inverse setChangeType:GraphPropertyChange];
+ [inverse setOldGraphData:[self nwGraphData]];
+ [inverse setNwGraphData:[self oldGraphData]];
+ break;
+ }
+
+ return [inverse autorelease];
+}
+
+- (void)dealloc {
+ [affectedNodes release];
+ [affectedEdges release];
+ [nodeRef release];
+ [oldNode release];
+ [nwNode release];
+ [edgeRef release];
+ [oldEdge release];
+ [oldNodeTable release];
+ [nwNodeTable release];
+
+ [super dealloc];
+}
+
++ (GraphChange*)graphAdditionWithNodes:(NSSet *)ns edges:(NSSet *)es {
+ GraphChange *gc = [[GraphChange alloc] init];
+ [gc setChangeType:GraphAddition];
+ [gc setAffectedNodes:ns];
+ [gc setAffectedEdges:es];
+ return [gc autorelease];
+}
+
++ (GraphChange*)graphDeletionWithNodes:(NSSet *)ns edges:(NSSet *)es {
+ GraphChange *gc = [[GraphChange alloc] init];
+ [gc setChangeType:GraphDeletion];
+ [gc setAffectedNodes:ns];
+ [gc setAffectedEdges:es];
+ return [gc autorelease];
+}
+
++ (GraphChange*)propertyChangeOfNode:(Node*)nd fromOld:(Node*)old toNew:(Node*)nw {
+ GraphChange *gc = [[GraphChange alloc] init];
+ [gc setChangeType:NodePropertyChange];
+ [gc setNodeRef:nd];
+ [gc setOldNode:old];
+ [gc setNwNode:nw];
+ return [gc autorelease];
+}
+
++ (GraphChange*)propertyChangeOfNodesFromOldCopies:(BasicMapTable*)oldC
+ toNewCopies:(BasicMapTable*)newC {
+ GraphChange *gc = [[GraphChange alloc] init];
+ [gc setChangeType:NodesPropertyChange];
+ [gc setOldNodeTable:oldC];
+ [gc setNwNodeTable:newC];
+ return [gc autorelease];
+}
+
++ (GraphChange*)propertyChangeOfEdge:(Edge*)e fromOld:(Edge *)old toNew:(Edge *)nw {
+ GraphChange *gc = [[GraphChange alloc] init];
+ [gc setChangeType:EdgePropertyChange];
+ [gc setEdgeRef:e];
+ [gc setOldEdge:old];
+ [gc setNwEdge:nw];
+ return [gc autorelease];
+}
+
++ (GraphChange*)shiftNodes:(NSSet*)ns byPoint:(NSPoint)p {
+ GraphChange *gc = [[GraphChange alloc] init];
+ [gc setChangeType:NodesShift];
+ [gc setAffectedNodes:ns];
+ [gc setShiftPoint:p];
+ return [gc autorelease];
+}
+
++ (GraphChange*)flipNodes:(NSSet*)ns horizontal:(BOOL)b {
+ GraphChange *gc = [[GraphChange alloc] init];
+ [gc setChangeType:NodesFlip];
+ [gc setAffectedNodes:ns];
+ [gc setHorizontal:b];
+ return [gc autorelease];
+}
+
++ (GraphChange*)changeBoundingBoxFrom:(NSRect)oldBB to:(NSRect)newBB {
+ GraphChange *gc = [[GraphChange alloc] init];
+ [gc setChangeType:BoundingBoxChange];
+ [gc setOldBoundingBox:oldBB];
+ [gc setNwBoundingBox:newBB];
+ return [gc autorelease];
+}
+
++ (GraphChange*)propertyChangeOfGraphFrom:(GraphElementData*)oldData to:(GraphElementData*)newData {
+ GraphChange *gc = [[GraphChange alloc] init];
+ [gc setChangeType:GraphPropertyChange];
+ [gc setOldGraphData:oldData];
+ [gc setNwGraphData:newData];
+ return [gc autorelease];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/GraphElementData.h b/tikzit/src/common/GraphElementData.h
new file mode 100644
index 0000000..1136dbd
--- /dev/null
+++ b/tikzit/src/common/GraphElementData.h
@@ -0,0 +1,94 @@
+//
+// GraphElementData.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+
+#import <Foundation/Foundation.h>
+
+/*!
+ @class GraphElementData
+ @brief Store extra data associated with a graph, node, or edge.
+ @details Store the extra (style, ...) data associated with
+ a graph, node, or edge. This data is stored as a mutable
+ array of properties. It also implements hash-like accessors,
+ but care should be taken using these, as the list can contain
+ multiple occurrences of the same key.
+
+ Convention: Getters and setters act on the *first* occurrence
+ of the key. 'Unsetters' remove *all* occurrences.
+ */
+@interface GraphElementData : NSMutableArray {
+ NSMutableArray *properties;
+}
+
+
+/*!
+ @brief Set the given value for the *first* property matching this key. Add a
+ new property if it doesn't already exist.
+ @param val the value to set
+ @param key the key for this property
+ */
+- (void)setProperty:(NSString*)val forKey:(NSString*)key;
+
+/*!
+ @brief Remove *all* occurences of the property with the given key.
+ @param key
+ */
+- (void)unsetProperty:(NSString*)key;
+
+/*!
+ @brief Return the value of the *first* occurrence of the given key.
+ @param key
+ */
+- (NSString*)propertyForKey:(NSString*)key;
+
+/*!
+ @brief Add the given atom to the list, if it's not already present.
+ @param atom
+ */
+- (void)setAtom:(NSString*)atom;
+
+/*!
+ @brief Remove *all* occurrences of the given atom.
+ @param atom
+ */
+- (void)unsetAtom:(NSString*)atom;
+
+/*!
+ @brief Returns YES if the list contains at least one occurrence of
+ the given atom.
+ @param atom
+ @result A boolean value.
+ */
+- (BOOL)isAtomSet:(NSString*)atom;
+
+/*!
+ @brief Returns a TikZ-friendly string containing all of the properties.
+ @result A string.
+ */
+- (NSString*)stringList;
+
+- (id)copy;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/GraphElementData.m b/tikzit/src/common/GraphElementData.m
new file mode 100644
index 0000000..02b747b
--- /dev/null
+++ b/tikzit/src/common/GraphElementData.m
@@ -0,0 +1,141 @@
+//
+// GraphElementData.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "GraphElementData.h"
+#import "GraphElementProperty.h"
+
+
+@implementation GraphElementData
+
+- (id)init {
+ [super init];
+ properties = [[NSMutableArray alloc] init];
+ return self;
+}
+
+// all of the array messages delegate to 'properties'
+
+- (NSUInteger)count { return [properties count]; }
+- (id)objectAtIndex:(NSUInteger)index {
+ return [properties objectAtIndex:index];
+}
+- (void)insertObject:(id)anObject atIndex:(NSUInteger)index {
+ [properties insertObject:anObject atIndex:index];
+}
+- (void)removeObjectAtIndex:(NSUInteger)index {
+ [properties removeObjectAtIndex:index];
+}
+- (void)addObject:(id)anObject {
+ [properties addObject:anObject];
+}
+- (void)removeLastObject {
+ [properties removeLastObject];
+}
+- (void)replaceObjectAtIndex:(NSUInteger)index withObject:(id)anObject {
+ [properties replaceObjectAtIndex:index withObject:anObject];
+}
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state
+ objects:(id *)stackbuf
+ count:(NSUInteger)len {
+ return [properties countByEnumeratingWithState:state objects:stackbuf count:len];
+}
+
+- (void)setProperty:(NSString*)val forKey:(NSString*)key {
+ GraphElementProperty *m = [[GraphElementProperty alloc] initWithKeyMatching:key];
+ NSInteger idx = [properties indexOfObject:m];
+ [m release];
+
+ GraphElementProperty *p;
+ if (idx == NSNotFound) {
+ p = [[GraphElementProperty alloc] initWithPropertyValue:val forKey:key];
+ [properties addObject:p];
+ [p release];
+ } else {
+ p = [properties objectAtIndex:idx];
+ [p setValue:val];
+ }
+}
+
+- (void)unsetProperty:(NSString*)key {
+ GraphElementProperty *m = [[GraphElementProperty alloc] initWithKeyMatching:key];
+ [properties removeObject:m];
+ [m release];
+}
+
+- (NSString*)propertyForKey:(NSString*)key {
+ GraphElementProperty *m = [[GraphElementProperty alloc] initWithKeyMatching:key];
+ NSInteger idx = [properties indexOfObject:m];
+ [m release];
+
+ if (idx == NSNotFound) {
+ return nil;
+ }else {
+ GraphElementProperty *p = [properties objectAtIndex:idx];
+ return [p value];
+ }
+}
+
+- (void)setAtom:(NSString*)atom {
+ GraphElementProperty *a = [[GraphElementProperty alloc] initWithAtomName:atom];
+ if (![properties containsObject:a]) [properties addObject:a];
+ [a release];
+}
+
+- (void)unsetAtom:(NSString*)atom {
+ GraphElementProperty *a = [[GraphElementProperty alloc] initWithAtomName:atom];
+ [properties removeObject:a];
+ [a release];
+}
+
+- (BOOL)isAtomSet:(NSString*)atom {
+ GraphElementProperty *a = [[GraphElementProperty alloc] initWithAtomName:atom];
+ BOOL set = [properties containsObject:a];
+ [a release];
+ return set;
+}
+
+- (NSString*)stringList {
+ NSString *s = [properties componentsJoinedByString:@", "];
+ return ([s isEqualToString:@""]) ? @"" : [NSString stringWithFormat:@"[%@]", s];
+}
+
+- (id)copy {
+ GraphElementData *cp = [[GraphElementData alloc] init];
+ NSEnumerator *en = [properties objectEnumerator];
+ GraphElementProperty *p, *p2;
+ while ((p = [en nextObject]) != nil) {
+ p2 = [p copy];
+ [cp addObject:p2];
+ [p2 release];
+ }
+ return cp;
+}
+
+- (void)dealloc {
+ [properties release];
+ [super dealloc];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/GraphElementProperty.h b/tikzit/src/common/GraphElementProperty.h
new file mode 100644
index 0000000..e8fe2a2
--- /dev/null
+++ b/tikzit/src/common/GraphElementProperty.h
@@ -0,0 +1,91 @@
+//
+// GraphElementProperty.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+
+/*!
+ @class GraphElementProperty
+ @brief A property. I.e. a single entry in a node's/edge's/graph's
+ GraphElementData table.
+ */
+@interface GraphElementProperty : NSObject {
+ NSString *key;
+ NSString *value;
+ BOOL isAtom;
+ BOOL isKeyMatch;
+}
+
+@property (readwrite,retain) NSString *key;
+@property (readwrite,retain) NSString *value;
+@property (readonly) BOOL isAtom;
+@property (readonly) BOOL isKeyMatch;
+
+/*!
+ @brief Initialize a new key-matching object.
+ @param k a key to match
+ @result A key-matching object.
+ */
+- (id)initWithKeyMatching:(NSString*)k;
+
+/*!
+ @brief Initialize a new atomic property.
+ @param n the atom's name
+ @result An atom.
+ */
+- (id)initWithAtomName:(NSString*)n;
+
+/*!
+ @brief Initialize a new property.
+ @param v the property's value
+ @param k the associated key
+ @result A property.
+ */
+- (id)initWithPropertyValue:(NSString*)v forKey:(NSString*)k;
+
+/*!
+ @brief A matching function for properties.
+ @details Two properties match iff their keys match and one of the following:
+ (a) they are both atomic, (b) one is a key-matching and one is a non-atomic
+ property, or (c) they are both non-atomic and their values match.
+ @param object another GraphElementProperty
+ @result A boolean.
+ */
+- (BOOL)matches:(GraphElementProperty*)object;
+
+/*!
+ @brief An alias for <tt>matches:</tt>. This allows one to use built-in methods that
+ filter on <tt>isEqual:</tt> for <tt>NSObject</tt>s.
+ @param object another GraphElementProperty
+ @result A boolean.
+ */
+- (BOOL)isEqual:(id)object;
+
+/*!
+ @brief Make a deep copy of this property.
+ @result A new property.
+ */
+- (id)copy;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/GraphElementProperty.m b/tikzit/src/common/GraphElementProperty.m
new file mode 100644
index 0000000..79abe79
--- /dev/null
+++ b/tikzit/src/common/GraphElementProperty.m
@@ -0,0 +1,127 @@
+//
+//
+// GraphElementProperty.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "GraphElementProperty.h"
+
+
+@implementation GraphElementProperty
+
+- (id)initWithAtomName:(NSString*)n {
+ [super init];
+ [self setKey:n];
+ [self setValue:nil];
+ isAtom = YES;
+ isKeyMatch = NO;
+ return self;
+}
+
+- (id)initWithPropertyValue:(NSString*)v forKey:(NSString*)k {
+ [super init];
+ [self setKey:k];
+ [self setValue:v];
+ isAtom = NO;
+ isKeyMatch = NO;
+ return self;
+}
+
+- (id)initWithKeyMatching:(NSString*)k {
+ [super init];
+ [self setKey:k];
+ [self setValue:nil];
+ isAtom = NO;
+ isKeyMatch = YES;
+ return self;
+}
+
+- (void)setValue:(NSString *)v {
+ if (value != v) {
+ [value release];
+ value = [v copy];
+ }
+}
+
+- (NSString*)value {
+ if (isAtom) {
+ return @"(atom)";
+ } else {
+ return value;
+ }
+}
+
+
+- (void)setKey:(NSString *)k {
+ if (k == nil) k = @""; // don't allow nil keys
+ if (key != k) {
+ [key release];
+ key = [k retain];
+ }
+}
+
+- (NSString*)key {
+ return key;
+}
+
+- (BOOL)isAtom { return isAtom; }
+- (BOOL)isKeyMatch { return isKeyMatch; }
+
+- (BOOL)matches:(GraphElementProperty*)object {
+ // properties and atoms are taken to be incomparable
+ if ([self isAtom] != [object isAtom]) return NO;
+
+ // only compare keys if (a) we are both atoms, (b) i am a key match, or (c) object is a key match
+ if (([self isAtom] && [object isAtom]) || [self isKeyMatch] || [object isKeyMatch]) {
+ return [[self key] isEqual:[object key]];
+ }
+
+ // otherwise compare key and value
+ return [[self key] isEqual:[object key]] && [[self value] isEqual:[object value]];
+}
+
+- (BOOL)isEqual:(id)object {
+ return [self matches:object];
+}
+
+- (id)copy {
+ if (isAtom) {
+ return [[GraphElementProperty alloc] initWithAtomName:[self key]];
+ } else if (isKeyMatch) {
+ return [[GraphElementProperty alloc] initWithKeyMatching:[self key]];
+ } else {
+ return [[GraphElementProperty alloc] initWithPropertyValue:[self value] forKey:[self key]];
+ }
+}
+
+- (NSString*)description {
+ if ([self isAtom]) {
+ return [self key];
+ } else if ([self isKeyMatch]) {
+ return [NSString stringWithFormat:@"%@=*", [self key]];
+ } else {
+ return [NSString stringWithFormat:@"%@=%@", [self key], [self value]];
+ }
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/Grid.h b/tikzit/src/common/Grid.h
new file mode 100644
index 0000000..40bb91e
--- /dev/null
+++ b/tikzit/src/common/Grid.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+#import "RenderContext.h"
+#import "Transformer.h"
+
+/*!
+ * Provides a grid, which can be use for snapping points
+ *
+ * The grid is divided into cells, and each cell is further subdivided.
+ * These subdivisions are the snap points for the grid.
+ */
+@interface Grid: NSObject {
+ Transformer *transformer;
+ float spacing;
+ int cellSubdivisions;
+}
+
+/*!
+ * The number of times to subdivide the edge of each cell
+ *
+ * Each cell will be divided into cellSubdivisions^2 squares.
+ */
+@property (assign) int cellSubdivisions;
+
+/*!
+ * The cell spacing
+ *
+ * Each cell will be @p cellSpacing wide and @p cellSpacing high.
+ */
+@property (assign) float cellSpacing;
+
+
+/*!
+ * Create a new grid object.
+ *
+ * @param sp the cell spacing - this will be the width and height of each cell
+ * @param subs the number of cell subdivisions; the cell will end up being
+ * divided into subs*subs squares that are each sp/subs wide and high
+ * @param t the transformer to be used when snapping screen points
+ */
++ (Grid*) gridWithSpacing:(float)sp subdivisions:(int)subs transformer:(Transformer*)t;
+/*!
+ * Initialize a grid object.
+ *
+ * @param sp the cell spacing - this will be the width and height of each cell
+ * @param subs the number of cell subdivisions; each cell will end up being
+ * divided into subs*subs squares that are each sp/subs wide and high
+ * @param t the transformer to be used when snapping screen points
+ */
+- (id) initWithSpacing:(float)sp subdivisions:(int)subs transformer:(Transformer*)t;
+
+/*!
+ * Snap a point in screen co-ordinates
+ *
+ * @param p the point to snap, in screen co-ordinates
+ * @result @p p aligned to the nearest corner of a cell subdivision
+ */
+- (NSPoint) snapScreenPoint:(NSPoint)p;
+/*!
+ * Snap a point in base co-ordinates
+ *
+ * @param p the point to snap
+ * @result @p p aligned to the nearest corner of a cell subdivision
+ */
+- (NSPoint) snapPoint:(NSPoint)p;
+
+/**
+ * Renders the grid
+ *
+ * The grid is rendered across the entire surface (subject to the context's
+ * clip).
+ *
+ * The internal transformer is used to convert between graph co-ordinates
+ * and graphics co-ordinates.
+ *
+ * @param cr the context to render in
+ */
+- (void) renderGridInContext:(id<RenderContext>)cr;
+
+/**
+ * Renders the grid
+ *
+ * The grid is rendered across the entire surface (subject to the context's
+ * clip).
+ *
+ * @param cr the context to render in
+ * @param t a transformer that will be used to map graph co-ordinates
+ * to graphics co-ordinates
+ */
+- (void) renderGridInContext:(id<RenderContext>)cr transformer:(Transformer*)t;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/Grid.m b/tikzit/src/common/Grid.m
new file mode 100644
index 0000000..4fb2ef8
--- /dev/null
+++ b/tikzit/src/common/Grid.m
@@ -0,0 +1,179 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ * Copyright 2010 Chris Heunen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "Grid.h"
+#import "util.h"
+
+@implementation Grid
+
++ (Grid*) gridWithSpacing:(float)sp subdivisions:(int)subs transformer:(Transformer*)t {
+ return [[[self alloc] initWithSpacing:sp subdivisions:subs transformer:t] autorelease];
+}
+
+- (id) initWithSpacing:(float)sp subdivisions:(int)subs transformer:(Transformer*)t {
+ self = [super init];
+
+ if (self) {
+ transformer = [t retain];
+ spacing = sp;
+ cellSubdivisions = subs;
+ }
+
+ return self;
+}
+
+- (int) cellSubdivisions {
+ return cellSubdivisions;
+}
+
+- (void) setCellSubdivisions:(int)count {
+ cellSubdivisions = count;
+}
+
+- (float) cellSpacing {
+ return spacing;
+}
+
+- (void) setCellSpacing:(float)sp {
+ spacing = sp;
+}
+
+- (NSPoint) snapScreenPoint:(NSPoint)point {
+ NSPoint gridPoint = [transformer fromScreen:point];
+ return [transformer toScreen:[self snapPoint:gridPoint]];
+}
+
+- (NSPoint) snapPoint:(NSPoint)p {
+ const float snapDistance = spacing/(float)cellSubdivisions;
+ p.x = roundToNearest (snapDistance, p.x);
+ p.y = roundToNearest (snapDistance, p.y);
+ return p;
+}
+
+- (void) _setupLinesForContext:(id<RenderContext>)context withSpacing:(float)offset omittingEvery:(int)omitEvery origin:(NSPoint)origin {
+ NSRect clip = [context clipBoundingBox];
+ float clipx1 = clip.origin.x;
+ float clipx2 = clipx1 + clip.size.width;
+ float clipy1 = clip.origin.y;
+ float clipy2 = clipy1 + clip.size.height;
+
+ // left of the Y axis, moving outwards
+ unsigned int count = 1;
+ float x = origin.x - offset;
+ while (x >= clipx1) {
+ if (omitEvery == 0 || (count % omitEvery != 0)) {
+ [context moveTo:NSMakePoint(x, clipy1)];
+ [context lineTo:NSMakePoint(x, clipy2)];
+ }
+
+ x -= offset;
+ ++count;
+ }
+ // right of the Y axis, moving outwards
+ count = 1;
+ x = origin.x + offset;
+ while (x <= clipx2) {
+ if (omitEvery == 0 || (count % omitEvery != 0)) {
+ [context moveTo:NSMakePoint(x, clipy1)];
+ [context lineTo:NSMakePoint(x, clipy2)];
+ }
+
+ x += offset;
+ ++count;
+ }
+
+ // above the Y axis, moving outwards
+ count = 1;
+ float y = origin.y - offset;
+ while (y >= clipy1) {
+ if (omitEvery == 0 || (count % omitEvery != 0)) {
+ [context moveTo:NSMakePoint(clipx1, y)];
+ [context lineTo:NSMakePoint(clipx2, y)];
+ }
+
+ y -= offset;
+ ++count;
+ }
+ // below the Y axis, moving outwards
+ count = 1;
+ y = origin.y + offset;
+ while (y <= clipy2) {
+ if (omitEvery == 0 || (count % omitEvery != 0)) {
+ [context moveTo:NSMakePoint(clipx1, y)];
+ [context lineTo:NSMakePoint(clipx2, y)];
+ }
+
+ y += offset;
+ ++count;
+ }
+}
+
+- (void) _renderSubdivisionsWithContext:(id<RenderContext>)context origin:(NSPoint)origin cellSize:(float)cellSize {
+ const float offset = cellSize / cellSubdivisions;
+
+ [self _setupLinesForContext:context withSpacing:offset omittingEvery:cellSubdivisions origin:origin];
+
+ [context strokePathWithColor:MakeSolidRColor (0.9, 0.9, 1.0)];
+}
+
+- (void) _renderCellsWithContext:(id<RenderContext>)context origin:(NSPoint)origin cellSize:(float)cellSize {
+ [self _setupLinesForContext:context withSpacing:cellSize omittingEvery:0 origin:origin];
+
+ [context strokePathWithColor:MakeSolidRColor (0.8, 0.8, 0.9)];
+}
+
+- (void) _renderAxesWithContext:(id<RenderContext>)context origin:(NSPoint)origin {
+ NSRect clip = [context clipBoundingBox];
+
+ [context moveTo:NSMakePoint(origin.x, clip.origin.y)];
+ [context lineTo:NSMakePoint(origin.x, clip.origin.y + clip.size.height)];
+ [context moveTo:NSMakePoint(clip.origin.x, origin.y)];
+ [context lineTo:NSMakePoint(clip.origin.x + clip.size.width, origin.y)];
+
+ [context strokePathWithColor:MakeSolidRColor (0.6, 0.6, 0.7)];
+}
+
+- (void) renderGridInContext:(id<RenderContext>)cr {
+ [self renderGridInContext:cr transformer:transformer];
+}
+
+- (void) renderGridInContext:(id<RenderContext>)context transformer:(Transformer*)t {
+ const NSPoint origin = [t toScreen:NSZeroPoint];
+ const float cellSize = [t scaleToScreen:spacing];
+
+ [context saveState];
+
+ // common line settings
+ [context setLineWidth:1.0];
+ [context setAntialiasMode:AntialiasDisabled];
+
+ [self _renderSubdivisionsWithContext:context origin:origin cellSize:cellSize];
+ [self _renderCellsWithContext:context origin:origin cellSize:cellSize];
+ [self _renderAxesWithContext:context origin:origin];
+
+ [context restoreState];
+}
+
+- (void) dealloc {
+ [transformer release];
+ [super dealloc];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/NSError+Tikzit.h b/tikzit/src/common/NSError+Tikzit.h
new file mode 100644
index 0000000..a82db4d
--- /dev/null
+++ b/tikzit/src/common/NSError+Tikzit.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+
+NSString* const TZErrorDomain;
+
+enum {
+ TZ_ERR_OTHER = 1,
+ TZ_ERR_BADSTATE,
+ TZ_ERR_BADFORMAT,
+ TZ_ERR_IO,
+ TZ_ERR_TOOL_FAILED,
+ TZ_ERR_NOTDIRECTORY
+};
+
+NSString* const TZToolOutputErrorKey;
+
+@interface NSError(Tikzit)
++ (NSString*)tikzitErrorDomain;
++ (id) errorWithMessage:(NSString*)message code:(NSInteger)code cause:(NSError*)cause;
++ (id) errorWithMessage:(NSString*)message code:(NSInteger)code;
++ (id) errorWithLibcError:(NSInteger)errnum;
+- (NSString*)toolOutput;
+@end
+
+void logError (NSError *error, NSString *message);
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/NSError+Tikzit.m b/tikzit/src/common/NSError+Tikzit.m
new file mode 100644
index 0000000..6b9404b
--- /dev/null
+++ b/tikzit/src/common/NSError+Tikzit.m
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "NSError+Tikzit.h"
+
+NSString* const TZErrorDomain = @"tikzit";
+
+NSString* const TZToolOutputErrorKey = @"tool-output";
+
+@implementation NSError(Tikzit)
++ (NSString*)tikzitErrorDomain {
+ return TZErrorDomain;
+}
+
++ (id) errorWithMessage:(NSString*)message code:(NSInteger)code cause:(NSError*)cause {
+ NSMutableDictionary *errorDetail = [NSMutableDictionary dictionaryWithCapacity:2];
+ [errorDetail setValue:message forKey:NSLocalizedDescriptionKey];
+ if (cause)
+ [errorDetail setValue:cause forKey:NSUnderlyingErrorKey];
+ return [self errorWithDomain:TZErrorDomain code:code userInfo:errorDetail];
+}
+
++ (id) errorWithMessage:(NSString*)message code:(NSInteger)code {
+ NSMutableDictionary *errorDetail = [NSMutableDictionary dictionaryWithObject:message
+ forKey:NSLocalizedDescriptionKey];
+ return [self errorWithDomain:TZErrorDomain code:code userInfo:errorDetail];
+}
+
++ (id) errorWithLibcError:(NSInteger)errnum {
+ NSString *message = [NSString stringWithUTF8String:strerror(errnum)];
+ NSMutableDictionary *errorDetail = [NSMutableDictionary dictionaryWithObject:message
+ forKey:NSLocalizedDescriptionKey];
+ return [self errorWithDomain:NSPOSIXErrorDomain code:errnum userInfo:errorDetail];
+}
+
+- (NSString*)toolOutput {
+ return [[self userInfo] objectForKey:TZToolOutputErrorKey];
+}
+
+@end
+
+void logError (NSError *error, NSString *message) {
+ if (message == nil) {
+ NSLog (@"%@", [error localizedDescription]);
+ } else {
+ NSLog (@"%@: %@", message, [error localizedDescription]);
+ }
+}
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/NSFileManager+Utils.h b/tikzit/src/common/NSFileManager+Utils.h
new file mode 100644
index 0000000..75d8926
--- /dev/null
+++ b/tikzit/src/common/NSFileManager+Utils.h
@@ -0,0 +1,29 @@
+//
+// MainWindow.h
+// TikZiT
+//
+// Copyright 2010 Alex Merry
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface NSFileManager(Utils)
+- (BOOL) ensureDirectoryExists:(NSString*)path error:(NSError**)error;
+@end
+
+// vi:ft=objc:sts=4:sw=4:ts=4:noet
diff --git a/tikzit/src/common/NSFileManager+Utils.m b/tikzit/src/common/NSFileManager+Utils.m
new file mode 100644
index 0000000..2586eb6
--- /dev/null
+++ b/tikzit/src/common/NSFileManager+Utils.m
@@ -0,0 +1,46 @@
+//
+// MainWindow.h
+// TikZiT
+//
+// Copyright 2010 Alex Merry
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "NSError+Tikzit.h"
+
+@implementation NSFileManager(Utils)
+- (BOOL) ensureDirectoryExists:(NSString*)directory error:(NSError**)error {
+ BOOL isDirectory = NO;
+ if (![self fileExistsAtPath:directory isDirectory:&isDirectory]) {
+ if (![self createDirectoryAtPath:directory withIntermediateDirectories:YES attributes:nil error:error]) {
+ return NO;
+ }
+ } else if (!isDirectory) {
+ if (error) {
+ NSMutableDictionary *errorDetail = [NSMutableDictionary dictionary];
+ [errorDetail setValue:@"Directory is a file" forKey:NSLocalizedDescriptionKey];
+ [errorDetail setValue:directory forKey:NSFilePathErrorKey];
+ *error = [NSError errorWithDomain:TZErrorDomain code:TZ_ERR_NOTDIRECTORY userInfo:errorDetail];
+ }
+ return NO;
+ }
+ return YES;
+}
+@end
+
+// vi:ft=objc:sts=4:sw=4:ts=4:noet
diff --git a/tikzit/src/common/NSString+LatexConstants.h b/tikzit/src/common/NSString+LatexConstants.h
new file mode 100644
index 0000000..f4b5236
--- /dev/null
+++ b/tikzit/src/common/NSString+LatexConstants.h
@@ -0,0 +1,33 @@
+//
+// NSString+LatexConstants.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+
+
+@interface NSString(LatexConstants)
+
+- (NSString*)stringByExpandingLatexConstants;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/NSString+LatexConstants.m b/tikzit/src/common/NSString+LatexConstants.m
new file mode 100644
index 0000000..1114d40
--- /dev/null
+++ b/tikzit/src/common/NSString+LatexConstants.m
@@ -0,0 +1,204 @@
+//
+// NSString+LatexConstants.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "NSString+LatexConstants.h"
+
+// can't use sizeof() in non-fragile ABI (eg: clang)
+#define texConstantCount 62
+static NSString *texConstantNames[texConstantCount] = {
+ @"alpha",
+ @"beta",
+ @"gamma",
+ @"delta",
+ @"epsilon",
+ @"zeta",
+ @"eta",
+ @"theta",
+ @"iota",
+ @"kappa",
+ @"lambda",
+ @"mu",
+ @"nu",
+ @"xi",
+ @"pi",
+ @"rho",
+ @"sigma",
+ @"tau",
+ @"upsilon",
+ @"phi",
+ @"chi",
+ @"psi",
+ @"omega",
+ @"Gamma",
+ @"Delta",
+ @"Theta",
+ @"Lambda",
+ @"Xi",
+ @"Pi",
+ @"Sigma",
+ @"Upsilon",
+ @"Phi",
+ @"Psi",
+ @"Omega",
+
+ @"pm",
+ @"to",
+ @"Rightarrow",
+ @"Leftrightarrow",
+ @"forall",
+ @"partial",
+ @"exists",
+ @"emptyset",
+ @"nabla",
+ @"in",
+ @"notin",
+ @"prod",
+ @"sum",
+ @"surd",
+ @"infty",
+ @"wedge",
+ @"vee",
+ @"cap",
+ @"cup",
+ @"int",
+ @"approx",
+ @"neq",
+ @"equiv",
+ @"leq",
+ @"geq",
+ @"subset",
+ @"supset",
+ @"cdot"
+};
+
+static char * texConstantCodes[texConstantCount] = {
+ "\u03b1","\u03b2","\u03b3","\u03b4","\u03b5","\u03b6","\u03b7",
+ "\u03b8","\u03b9","\u03ba","\u03bb","\u03bc","\u03bd","\u03be",
+ "\u03c0","\u03c1","\u03c3","\u03c4","\u03c5","\u03c6","\u03c7",
+ "\u03c8","\u03c9","\u0393","\u0394","\u0398","\u039b","\u039e",
+ "\u03a0","\u03a3","\u03a5","\u03a6","\u03a8","\u03a9",
+
+ "\u00b1","\u2192","\u21d2","\u21d4","\u2200","\u2202","\u2203",
+ "\u2205","\u2207","\u2208","\u2209","\u220f","\u2211","\u221a",
+ "\u221e","\u2227","\u2228","\u2229","\u222a","\u222b","\u2248",
+ "\u2260","\u2261","\u2264","\u2265","\u2282","\u2283","\u22c5"
+};
+
+#define texModifierCount 10
+static NSString *texModifierNames[texModifierCount] = {
+ @"tiny",
+ @"scriptsize",
+ @"footnotesize",
+ @"small",
+ @"normalsize",
+ @"large",
+ @"Large",
+ @"LARGE",
+ @"huge",
+ @"Huge"
+};
+
+static NSDictionary *texConstants = nil;
+static NSSet *texModifiers = nil;
+
+@implementation NSString(LatexConstants)
+
+- (NSString*)stringByExpandingLatexConstants {
+
+ if (texConstants == nil) {
+ NSMutableDictionary *constants = [[NSMutableDictionary alloc] initWithCapacity:texConstantCount];
+ for (int i = 0; i < texConstantCount; ++i) {
+ [constants setObject:[NSString stringWithUTF8String:texConstantCodes[i]] forKey:texConstantNames[i]];
+ }
+ texConstants = constants;
+ }
+ if (texModifiers == nil) {
+ texModifiers = [[NSSet alloc] initWithObjects:texModifierNames count:texModifierCount];
+ }
+
+ NSMutableString *buf = [[NSMutableString alloc] initWithCapacity:[self length]];
+ NSMutableString *wordBuf = [[NSMutableString alloc] initWithCapacity:10];
+
+ unichar c_a = [@"a" characterAtIndex:0];
+ unichar c_z = [@"z" characterAtIndex:0];
+ unichar c_A = [@"A" characterAtIndex:0];
+ unichar c_Z = [@"Z" characterAtIndex:0];
+
+ int state = 0;
+ // a tiny little DFA to replace \\([\w*]) with unicode of $1
+ unichar c;
+ NSString *code;
+ int i;
+ for (i = 0; i<[self length]; ++i) {
+ c = [self characterAtIndex:i];
+ switch (state) {
+ case 0:
+ if (c=='\\') {
+ state = 1;
+ } else {
+ [buf appendFormat:@"%C", c];
+ }
+ break;
+ case 1:
+ if ((c>=c_a && c<=c_z) || (c>=c_A && c<=c_Z)) {
+ [wordBuf appendFormat:@"%C", c];
+ } else {
+ code = [texConstants objectForKey:wordBuf];
+ if (code != nil) {
+ [buf appendString:code];
+ } else if (![texModifiers containsObject:wordBuf]) {
+ [buf appendFormat:@"\\%@", wordBuf];
+ }
+
+ [wordBuf setString:@""];
+ if (c=='\\') {
+ state = 1;
+ } else {
+ [buf appendFormat:@"%C", c];
+ state = 0;
+ }
+
+ }
+ break;
+ }
+ }
+
+ if (state == 1) {
+ code = [texConstants objectForKey:wordBuf];
+ if (code != nil) {
+ [buf appendString:code];
+ } else if (![texModifiers containsObject:wordBuf]) {
+ [buf appendFormat:@"\\%@", wordBuf];
+ }
+ }
+
+ NSString *ret = [buf copy];
+ [buf release];
+ [wordBuf release];
+
+ return [ret autorelease];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/Node.h b/tikzit/src/common/Node.h
new file mode 100644
index 0000000..73a4653
--- /dev/null
+++ b/tikzit/src/common/Node.h
@@ -0,0 +1,134 @@
+//
+// Node.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+
+// Node : store the data associated with a node.
+
+#import <Foundation/Foundation.h>
+
+#import "NodeStyle.h"
+#import "GraphElementData.h"
+
+/*!
+ @class Node
+ @brief A graph node, with associated location and style data.
+ */
+@interface Node : NSObject {
+ NSPoint point;
+ NodeStyle *style;
+ NSString *name;
+ NSString *label;
+ GraphElementData *data;
+}
+
+/*!
+ @property point
+ @brief The point where this node is located.
+ */
+@property (assign) NSPoint point;
+
+/*!
+ @property style
+ @brief The style of this node.
+ */
+@property (retain) NodeStyle *style;
+
+/*!
+ @property name
+ @brief The name of this node. This is a temporary name and may change between
+ successive TikZ outputs.
+ */
+@property (copy) NSString *name;
+
+/*!
+ @property label
+ @brief The latex label that appears on this node.
+ */
+@property (copy) NSString *label;
+
+/*!
+ @property data
+ @brief Associated extra data.
+ */
+@property (copy) GraphElementData *data;
+
+/*!
+ @brief Initialize a new node with the given point.
+ @param p a point.
+ @result A node.
+ */
+- (id)initWithPoint:(NSPoint)p;
+
+/*!
+ @brief Initialize a new node at (0,0).
+ @result A node.
+ */
+- (id)init;
+
+/*!
+ @brief Try to attach a style of the correct name from the given style list.
+ @param styles an array of styles.
+ @result YES if successfully attached, NO otherwise.
+ */
+- (BOOL)attachStyleFromTable:(NSArray*)styles;
+
+/*!
+ @brief Set node properties from <tt>GraphElementData</tt>.
+ */
+- (void)updateData;
+
+/*!
+ @brief Copy this node.
+ @result A copy of this node.
+ */
+- (id)copy;
+
+/*!
+ @brief Set properties of this node to match the given node.
+ @param nd a node to mimic.
+ */
+- (void)setPropertiesFromNode:(Node *)nd;
+
+/*!
+ @brief Compare a node to another node using a lex ordering on coordinates.
+ @param nd another node.
+ @result A comparison result.
+ */
+- (NSComparisonResult)compareTo:(id)nd;
+
+/*!
+ @brief Factory method to construct a node with the given point.
+ @param p a point.
+ @result A node.
+ */
++ (Node*)nodeWithPoint:(NSPoint)p;
+
+/*!
+ @brief Factory method to construct a node at (0,0).
+ @result A node.
+ */
++ (Node*)node;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/Node.m b/tikzit/src/common/Node.m
new file mode 100644
index 0000000..3421325
--- /dev/null
+++ b/tikzit/src/common/Node.m
@@ -0,0 +1,173 @@
+//
+// Node.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Node.h"
+
+
+@implementation Node
+
+- (id)initWithPoint:(NSPoint)p {
+ [super init];
+ data = [[GraphElementData alloc] init];
+ style = nil;
+ label = @"";
+ point = p;
+ //[self updateData];
+ return self;
+}
+
+- (id)init {
+ [self initWithPoint:NSMakePoint(0.0f, 0.0f)];
+ return self;
+}
+
+- (BOOL)attachStyleFromTable:(NSArray*)styles {
+ NSString *style_name = [[[data propertyForKey:@"style"] retain] autorelease];
+
+ [self setStyle:nil];
+
+ // 'none' is a reserved style
+ if (style_name == nil || [style_name isEqualToString:@"none"]) return YES;
+
+ for (NodeStyle *s in styles) {
+ if ([[s name] compare:style_name]==NSOrderedSame) {
+ [self setStyle:s];
+ return YES;
+ }
+ }
+
+ // if we didn't find a style, fill in a default one
+ [self setStyle:[NodeStyle defaultNodeStyleWithName:style_name]];
+ return NO;
+}
+
+- (void)updateData {
+ if (style == nil) {
+ [data setProperty:@"none" forKey:@"style"];
+ } else {
+ [data setProperty:[style name] forKey:@"style"];
+ }
+}
+
+- (void)setPropertiesFromNode:(Node*)nd {
+ [self setPoint:[nd point]];
+ [self setStyle:[nd style]];
+ [self setName:[nd name]];
+ [self setData:[nd data]];
+ [self setLabel:[nd label]];
+}
+
+- (id)copy {
+ Node *cp = [[Node alloc] init];
+ [cp setPropertiesFromNode:self];
+ return cp;
+}
+
++ (Node*)nodeWithPoint:(NSPoint)p {
+ return [[[Node alloc] initWithPoint:p] autorelease];
+}
+
++ (Node*)node {
+ return [[[Node alloc] init] autorelease];
+}
+
+
+// perform a lexicographic ordering (-y, x) on coordinates.
+- (NSComparisonResult)compareTo:(id)nd {
+ Node *node = (Node*)nd;
+ if (point.y > [node point].y) return NSOrderedAscending;
+ else if (point.y < [node point].y) return NSOrderedDescending;
+ else {
+ if (point.x < [node point].x) return NSOrderedAscending;
+ else if (point.x > [node point].x) return NSOrderedDescending;
+ else return NSOrderedSame;
+ }
+}
+
+
+- (NSString*)name {
+ return name;
+}
+
+- (void)setName:(NSString *)s {
+ if (name != s) {
+ [name release];
+ name = [s copy];
+ }
+}
+
+- (NSString*)label {
+ return label;
+}
+
+- (void)setLabel:(NSString *)s {
+ if (label != s) {
+ [label release];
+ label = [s copy];
+ }
+}
+
+- (GraphElementData*)data {
+ return data;
+}
+
+- (void)setData:(GraphElementData*)dt {
+ if (data != dt) {
+ [data release];
+ data = [dt copy];
+ }
+}
+
+- (NSPoint)point {
+ return point;
+}
+
+- (void)setPoint:(NSPoint)value {
+ point = value;
+}
+
+- (NodeStyle*)style {
+ return style;
+}
+
+- (void)setStyle:(NodeStyle *)st {
+ NodeStyle *oldStyle = style;
+ style = [st retain];
+ [oldStyle release];
+ [self updateData];
+}
+
+- (void)dealloc {
+ [self setName:nil];
+ [self setStyle:nil];
+ [self setData:nil];
+ [super dealloc];
+}
+
+- (id)copyWithZone:(NSZone*)z {
+ return nil;
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/NodeStyle.h b/tikzit/src/common/NodeStyle.h
new file mode 100644
index 0000000..4c0e883
--- /dev/null
+++ b/tikzit/src/common/NodeStyle.h
@@ -0,0 +1,118 @@
+//
+// NodeStyle.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "util.h"
+#import "ColorRGB.h"
+#import "PropertyHolder.h"
+
+/*!
+ @class NodeStyle
+ @brief Store node style information.
+ @details Store node style information. These properties affect how a node
+ is displayed in TikZiT. Colors are stored in the ColorRGB struct
+ to avoid any Cocoa dependency. These styles should be persistant,
+ which should be implemented in a platform-specific category. For
+ OS X, this is NodeStyle+Coder.
+ */
+@interface NodeStyle : PropertyHolder {
+ int strokeThickness;
+ float scale;
+ ColorRGB *strokeColorRGB;
+ ColorRGB *fillColorRGB;
+ NSString *name;
+ NSString *shapeName;
+ NSString *category;
+}
+
+/*!
+ @property strokeThickness
+ @brief Thickness of the stroke.
+ */
+@property (assign) int strokeThickness;
+
+/*!
+ @property scale
+ @brief Overall scale of the shape. Defaults to 1.0.
+ */
+@property (assign) float scale;
+
+
+/*!
+ @property strokeColorRGB
+ @brief Stroke color.
+ */
+@property (copy) ColorRGB *strokeColorRGB;
+
+/*!
+ @property fillColorRGB
+ @brief Fill color.
+ */
+@property (copy) ColorRGB *fillColorRGB;
+
+/*!
+ @property name
+ @brief Style name.
+ @details Style name. This is the only thing that affects how the node
+ will look when the latex code is rendered.
+ */
+@property (copy) NSString *name;
+
+/*!
+ @property shapeName
+ @brief The name of the shape that will be drawn in TikZiT.
+ */
+@property (copy) NSString *shapeName;
+
+/*!
+ @property category
+ @brief ???
+ */
+@property (copy) NSString *category;
+
+@property (readonly) NSString *tikz;
+@property (readonly) BOOL strokeColorIsKnown;
+@property (readonly) BOOL fillColorIsKnown;
+
+/*!
+ @brief Designated initializer. Construct a blank style with name 'new'.
+ @result A default style.
+ */
+- (id)init;
+
+/*!
+ @brief Create a named style.
+ @param nm the style name.
+ @result A <tt>NodeStyle</tt> with the given name.
+ */
+- (id)initWithName:(NSString *)nm;
+
+/*!
+ @brief Factory method for initWithName:
+ @param nm the style name.
+ @result A <tt>NodeStyle</tt> with the given name.
+ */
++ (NodeStyle*)defaultNodeStyleWithName:(NSString *)nm;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/NodeStyle.m b/tikzit/src/common/NodeStyle.m
new file mode 100644
index 0000000..d3e8f09
--- /dev/null
+++ b/tikzit/src/common/NodeStyle.m
@@ -0,0 +1,176 @@
+//
+// NodeStyle.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "NodeStyle.h"
+#import "ShapeNames.h"
+
+@implementation NodeStyle
+
+
+- (id)init {
+ self = [super initWithNotificationName:@"NodeStylePropertyChanged"];
+ if (self != nil) {
+ strokeThickness = 1;
+ scale = 1.0f;
+ strokeColorRGB = [[ColorRGB alloc] initWithRed:0 green:0 blue:0];
+ fillColorRGB = [[ColorRGB alloc] initWithRed:255 green:255 blue:255];
+
+ name = @"new";
+ category = nil;
+ shapeName = SHAPE_CIRCLE;
+ }
+ return self;
+}
+
+- (id)initWithName:(NSString*)nm {
+ self = [self init];
+ if (self != nil) {
+ [self setName:nm];
+ }
+ return self;
+}
+
++ (NodeStyle*)defaultNodeStyleWithName:(NSString*)nm {
+ return [[[NodeStyle alloc] initWithName:nm] autorelease];
+}
+
+- (NSString*)name {
+ return name;
+}
+
+- (void)setName:(NSString *)s {
+ if (name != s) {
+ NSString *oldValue = name;
+ name = [s copy];
+ [self postPropertyChanged:@"name" oldValue:oldValue];
+ [oldValue release];
+ }
+}
+
+- (NSString*)shapeName {
+ return shapeName;
+}
+
+- (void)setShapeName:(NSString *)s {
+ if (shapeName != s) {
+ NSString *oldValue = shapeName;
+ shapeName = [s copy];
+ [self postPropertyChanged:@"shapeName" oldValue:oldValue];
+ [oldValue release];
+ }
+}
+
+- (NSString*)category {
+ return category;
+}
+
+- (void)setCategory:(NSString *)s {
+ if (category != s) {
+ NSString *oldValue = category;
+ category = [s copy];
+ [self postPropertyChanged:@"category" oldValue:oldValue];
+ [oldValue release];
+ }
+}
+
+- (int)strokeThickness { return strokeThickness; }
+- (void)setStrokeThickness:(int)i {
+ int oldValue = strokeThickness;
+ strokeThickness = i;
+ [self postPropertyChanged:@"strokeThickness" oldValue:[NSNumber numberWithInt:oldValue]];
+}
+
+- (float)scale { return scale; }
+- (void)setScale:(float)s {
+ float oldValue = scale;
+ scale = s;
+ [self postPropertyChanged:@"scale" oldValue:[NSNumber numberWithFloat:oldValue]];
+}
+
+- (ColorRGB*)strokeColorRGB {
+ return strokeColorRGB;
+}
+
+- (void)setStrokeColorRGB:(ColorRGB*)c {
+ if (strokeColorRGB != c) {
+ ColorRGB *oldValue = strokeColorRGB;
+ strokeColorRGB = [c copy];
+ [self postPropertyChanged:@"strokeColorRGB" oldValue:oldValue];
+ [oldValue release];
+ }
+}
+
+- (ColorRGB*)fillColorRGB {
+ return fillColorRGB;
+}
+
+- (void)setFillColorRGB:(ColorRGB*)c {
+ if (fillColorRGB != c) {
+ ColorRGB *oldValue = fillColorRGB;
+ fillColorRGB = [c copy];
+ [self postPropertyChanged:@"fillColorRGB" oldValue:oldValue];
+ [oldValue release];
+ }
+}
+
+- (NSString*)tikz {
+ NSString *fillName, *strokeName;
+
+ NSMutableString *buf = [NSMutableString string];
+
+ fillName = [fillColorRGB name];
+ strokeName = [strokeColorRGB name];
+
+ // If the colors are unknown, fall back on hexnames. These should be defined as colors
+ // in the Preambles class.
+ if (fillName == nil) fillName = [fillColorRGB hexName];
+ if (strokeName == nil) strokeName = [strokeColorRGB hexName];
+
+ [buf appendFormat:@"\\tikzstyle{%@}=[%@,fill=%@,draw=%@%@]\n",
+ name,
+ shapeName,
+ fillName,
+ strokeName,
+ (strokeThickness != 1) ?
+ [NSString stringWithFormat:@",line width=%@ pt",
+ [NSNumber numberWithFloat:(float)strokeThickness * 0.4f]] : @""];
+
+ return buf;
+}
+
+- (BOOL)strokeColorIsKnown {
+ return ([strokeColorRGB name] != nil);
+}
+
+- (BOOL)fillColorIsKnown {
+ return ([fillColorRGB name] != nil);
+}
+
+- (void)dealloc {
+ [self setName:nil];
+ [super dealloc];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/PickSupport.h b/tikzit/src/common/PickSupport.h
new file mode 100644
index 0000000..8e71325
--- /dev/null
+++ b/tikzit/src/common/PickSupport.h
@@ -0,0 +1,152 @@
+//
+// PickSupport.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+
+#import <Foundation/Foundation.h>
+#import "Node.h"
+#import "Edge.h"
+
+/*!
+ @class PickSupport
+ @brief Maintain the selection state of nodes and edges.
+ @detail In addition to the notifications listed for specific methods,
+ whenever the node selection changes, a "NodeSelectionChanged"
+ signal is emitted, and whenever the edge selection changes,
+ an "EdgeSelectionChanged" signal is emitted.
+ */
+@interface PickSupport : NSObject {
+ NSMutableSet *selectedNodes;
+ NSMutableSet *selectedEdges;
+}
+
+/*!
+ @property selectedNodes
+ @brief A set of selected nodes.
+ */
+@property (readonly) NSSet *selectedNodes;
+
+/*!
+ @property selectedEdges
+ @brief A set of selected edges.
+ */
+@property (readonly) NSSet *selectedEdges;
+
+/*!
+ @brief Check if a node is selected.
+ @param nd a node.
+ @result YES if nd is selected.
+ */
+- (BOOL)isNodeSelected:(Node*)nd;
+
+/*!
+ @brief Check if an edge is selected.
+ @param e an edge.
+ @result YES if e is selected.
+ */
+- (BOOL)isEdgeSelected:(Edge*)e;
+
+/*!
+ @brief Select a node.
+ @details Sends the "NodeSelected" notification if the node was not
+ already selected, with @p nd as "node" in the userInfo
+ @param nd a node.
+ */
+- (void)selectNode:(Node*)nd;
+
+/*!
+ @brief Deselect a node.
+ @details Sends the "NodeDeselected" notification if the node was
+ selected, with @p nd as "node" in the userInfo
+ @param nd a node.
+ */
+- (void)deselectNode:(Node*)nd;
+
+/*!
+ @brief Select an edge.
+ @details Sends the "EdgeSelected" notification if the node was not
+ already selected, with @p e as "edge" in the userInfo
+ @param e an edge.
+ */
+- (void)selectEdge:(Edge*)e;
+
+/*!
+ @brief Deselect an edge.
+ @details Sends the "EdgeDeselected" notification if the node was
+ selected, with @p e as "edge" in the userInfo
+ @param e an edge.
+ */
+- (void)deselectEdge:(Edge*)e;
+
+/*!
+ @brief Toggle the selected state of the given node.
+ @details Sends the "NodeSelected" or "NodeDeselected" notification as
+ appropriate, with @p nd as "node" in the userInfo
+ @param nd a node.
+ */
+- (void)toggleNodeSelected:(Node*)nd;
+
+/*!
+ @brief Select all nodes in the given set.
+ @details Sends the "NodeSelectionReplaced" notification if this
+ caused the selection to change.
+
+ Equivalent to selectAllNodes:nodes replacingSelection:YES
+ @param nodes a set of nodes.
+ */
+- (void)selectAllNodes:(NSSet*)nodes;
+
+/*!
+ @brief Select all nodes in the given set.
+ @details Sends the "NodeSelectionReplaced" notification if this
+ caused the selection to change.
+
+ If replace is NO, @p nodes will be added to the existing
+ selection, otherwise it will replace the existing selection.
+ @param nodes a set of nodes.
+ @param replace whether to replace the existing selection
+ */
+- (void)selectAllNodes:(NSSet*)nodes replacingSelection:(BOOL)replace;
+
+/*!
+ @brief Deselect all nodes.
+ @details Sends the "NodeSelectionReplaced" notification if there
+ were any nodes previously selected
+ */
+- (void)deselectAllNodes;
+
+/*!
+ @brief Deselect all edges.
+ @details Sends the "EdgeSelectionReplaced" notification if there
+ were any edges previously selected
+ */
+- (void)deselectAllEdges;
+
+/*!
+ @brief Factory method for getting a new <tt>PickSupport</tt> object.
+ @result An empty <tt>PickSupport</tt>.
+ */
++ (PickSupport*)pickSupport;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/PickSupport.m b/tikzit/src/common/PickSupport.m
new file mode 100644
index 0000000..5ea13c0
--- /dev/null
+++ b/tikzit/src/common/PickSupport.m
@@ -0,0 +1,171 @@
+//
+// PickSupport.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "PickSupport.h"
+
+
+@implementation PickSupport
+
+- (void) postNodeSelectionChanged {
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"NodeSelectionChanged"
+ object:self];
+}
+
+- (void) postEdgeSelectionChanged {
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"EdgeSelectionChanged"
+ object:self];
+}
+
+- (id) init {
+ self = [super init];
+
+ if (self) {
+ selectedNodes = [[NSMutableSet set] retain];
+ selectedEdges = [[NSMutableSet set] retain];
+ }
+
+ return self;
+}
+
++ (PickSupport*)pickSupport {
+ return [[[PickSupport alloc] init] autorelease];
+}
+
+- (NSSet*)selectedNodes { return selectedNodes; }
+- (NSSet*)selectedEdges { return selectedEdges; }
+
+- (BOOL)isNodeSelected:(Node*)nd {
+ return [selectedNodes containsObject:nd];
+}
+
+- (BOOL)isEdgeSelected:(Edge*)e {
+ return [selectedEdges containsObject:e];
+}
+
+- (void)selectNode:(Node*)nd {
+ if (nd != nil && ![selectedNodes member:nd]) {
+ [selectedNodes addObject:nd];
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"NodeSelected"
+ object:self
+ userInfo:[NSDictionary dictionaryWithObject:nd forKey:@"node"]];
+ [self postNodeSelectionChanged];
+ }
+}
+
+- (void)deselectNode:(Node*)nd {
+ if (nd != nil && [selectedNodes member:nd]) {
+ [selectedNodes removeObject:nd];
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"NodeDeselected"
+ object:self
+ userInfo:[NSDictionary dictionaryWithObject:nd forKey:@"node"]];
+ [self postNodeSelectionChanged];
+ }
+}
+
+- (void)selectEdge:(Edge*)e {
+ if (e != nil && ![selectedEdges member:e]) {
+ [selectedEdges addObject:e];
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"EdgeSelected"
+ object:self
+ userInfo:[NSDictionary dictionaryWithObject:e forKey:@"edge"]];
+ [self postEdgeSelectionChanged];
+ }
+}
+
+- (void)deselectEdge:(Edge*)e {
+ if (e != nil && [selectedEdges member:e]) {
+ [selectedEdges removeObject:e];
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"EdgeDeselected"
+ object:self
+ userInfo:[NSDictionary dictionaryWithObject:e forKey:@"edge"]];
+ [self postEdgeSelectionChanged];
+ }
+}
+
+- (void)toggleNodeSelected:(Node*)nd {
+ if ([self isNodeSelected:nd])
+ [self deselectNode:nd];
+ else
+ [self selectNode:nd];
+}
+
+- (void)selectAllNodes:(NSSet*)nodes {
+ [self selectAllNodes:nodes replacingSelection:YES];
+}
+
+- (void)selectAllNodes:(NSSet*)nodes replacingSelection:(BOOL)replace {
+ if (selectedNodes == nodes) {
+ return;
+ }
+ if (!replace && [nodes count] == 0) {
+ return;
+ }
+
+ if (replace) {
+ [selectedNodes release];
+ selectedNodes = [nodes mutableCopy];
+ } else {
+ [selectedNodes unionSet:nodes];
+ }
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"NodeSelectionReplaced"
+ object:self];
+ [self postNodeSelectionChanged];
+}
+
+- (void)deselectAllNodes {
+ if ([selectedNodes count] > 0) {
+ [selectedNodes removeAllObjects];
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"NodeSelectionReplaced"
+ object:self];
+ [self postNodeSelectionChanged];
+ }
+}
+
+- (void)deselectAllEdges {
+ if ([selectedEdges count] > 0) {
+ [selectedEdges removeAllObjects];
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"EdgeSelectionReplaced"
+ object:self];
+ [self postEdgeSelectionChanged];
+ }
+}
+
+- (void)dealloc {
+ [selectedNodes release];
+ [selectedEdges release];
+
+ [super dealloc];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/Preambles.h b/tikzit/src/common/Preambles.h
new file mode 100644
index 0000000..d507ad9
--- /dev/null
+++ b/tikzit/src/common/Preambles.h
@@ -0,0 +1,66 @@
+//
+// Preambles.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+// Copyright 2011 Alex Merry. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "StyleManager.h"
+
+@interface Preambles : NSObject {
+ NSMutableDictionary *preambleDict;
+ NSString *selectedPreambleName;
+ NSArray *styles;
+ StyleManager *styleManager;
+}
+
+@property (copy) NSString *selectedPreambleName;
+@property (retain) NSString *currentPreamble;
+@property (retain) StyleManager *styleManager;
+@property (readonly) NSMutableDictionary *preambleDict;
+
++ (Preambles*)preambles;
+- (id)init;
+- (void)setStyles:(NSArray*)sty;
+
+- (NSString*)preambleForName:(NSString*)name;
+- (BOOL)setPreamble:(NSString*)content forName:(NSString*)name;
+
+- (NSString*)addPreamble;
+- (NSString*)addPreambleWithNameBase:(NSString*)name;
+
+- (BOOL)renamePreambleFrom:(NSString*)old to:(NSString*)new;
+- (BOOL)removePreamble:(NSString*)name;
+
+- (NSEnumerator*)customPreambleNameEnumerator;
+
+- (void)removeAllPreambles;
+
+- (BOOL)selectedPreambleIsDefault;
+
+- (NSString*)styleDefinitions;
+- (NSString*)defaultPreamble;
+- (NSString*)defaultPreambleName;
+- (NSString*)currentPostamble;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/Preambles.m b/tikzit/src/common/Preambles.m
new file mode 100644
index 0000000..4f74dd0
--- /dev/null
+++ b/tikzit/src/common/Preambles.m
@@ -0,0 +1,240 @@
+//
+// Preambles.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Preambles.h"
+#import "NodeStyle.h"
+
+static NSString *PREAMBLE_HEAD =
+@"\\documentclass{article}\n"
+@"\\usepackage[svgnames]{xcolor}\n"
+@"\\usepackage{tikz}\n"
+@"\\pagestyle{empty}\n"
+@"\n"
+@"\\pgfdeclarelayer{edgelayer}\n"
+@"\\pgfdeclarelayer{nodelayer}\n"
+@"\\pgfsetlayers{edgelayer,nodelayer,main}\n"
+@"\n"
+@"\\tikzstyle{none}=[inner sep=0pt]\n";
+
+static NSString *PREAMBLE_TAIL =
+@"\n"
+@"\\usepackage[graphics,tightpage,active]{preview}\n"
+@"\\PreviewEnvironment{tikzpicture}\n"
+@"\\newlength{\\imagewidth}\n"
+@"\\newlength{\\imagescale}\n"
+@"\n"
+@"\\begin{document}\n";
+
+static NSString *POSTAMBLE =
+@"\n"
+@"\\end{document}\n";
+
+@implementation Preambles
+
++ (Preambles*)preambles {
+ return [[[self alloc] init] autorelease];
+}
+
+- (id)init {
+ [super init];
+ selectedPreambleName = @"default";
+ preambleDict = [[NSMutableDictionary alloc] initWithCapacity:1];
+ [preambleDict setObject:[self defaultPreamble] forKey:@"custom"];
+ styles = nil;
+ styleManager = nil;
+ return self;
+}
+
+- (NSString*)preambleForName:(NSString*)name {
+ if ([name isEqualToString:@"default"])
+ return [self defaultPreamble];
+ else
+ return [preambleDict objectForKey:name];
+}
+
+- (BOOL)setPreamble:(NSString*)content forName:(NSString*)name {
+ if ([name isEqualToString:@"default"])
+ return NO;
+ [preambleDict setObject:content forKey:name];
+ return YES;
+}
+
+- (void)removeAllPreambles {
+ [preambleDict removeAllObjects];
+}
+
+- (NSEnumerator*)customPreambleNameEnumerator {
+ return [preambleDict keyEnumerator];
+}
+
+- (void)setStyles:(NSArray*)sty {
+ [sty retain];
+ [styles release];
+ styles = sty;
+}
+
+- (NSString*)styleDefinitions {
+ if (styleManager != nil) {
+ [self setStyles:[styleManager nodeStyles]];
+ }
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ NSMutableString *buf = [NSMutableString string];
+ NSMutableString *colbuf = [NSMutableString string];
+ NSMutableSet *colors = [NSMutableSet setWithCapacity:2*[styles count]];
+ for (NodeStyle *st in styles) {
+ [buf appendFormat:@"%@", [st tikz]];
+ ColorRGB *fill = [st fillColorRGB];
+ ColorRGB *stroke = [st strokeColorRGB];
+ if ([fill name] == nil && ![colors containsObject:fill]) {
+ [colors addObject:fill];
+ [colbuf appendFormat:@"\\definecolor{%@}{rgb}{%.3f,%.3f,%.3f}\n",
+ [fill hexName], [fill redFloat], [fill greenFloat], [fill blueFloat]];
+ }
+
+ if ([fill name] == nil && ![colors containsObject:fill]) {
+ [colors addObject:stroke];
+ [colbuf appendFormat:@"\\definecolor{%@}{rgb}{%.3f,%.3f,%.3f}\n",
+ [fill hexName], [fill redFloat], [fill greenFloat], [fill blueFloat]];
+ }
+ }
+
+ NSString *defs = [[NSString alloc] initWithFormat:@"%@%@", colbuf, buf];
+
+ [pool drain];
+ return [defs autorelease];
+}
+
+- (NSString*)defaultPreamble {
+ return [NSString stringWithFormat:@"%@%@%@",
+ PREAMBLE_HEAD, [self styleDefinitions], PREAMBLE_TAIL];
+}
+
+- (BOOL)selectedPreambleIsDefault {
+ return [selectedPreambleName isEqualToString:@"default"];
+}
+
+- (NSString*)selectedPreambleName { return selectedPreambleName; }
+- (void)setSelectedPreambleName:(NSString *)sel {
+ if (sel != selectedPreambleName) {
+ [selectedPreambleName release];
+ selectedPreambleName = [sel copy];
+ }
+}
+
+- (NSString*)currentPreamble {
+ NSString *pre = [self preambleForName:selectedPreambleName];
+ return (pre == nil) ? [self defaultPreamble] : pre;
+}
+
+- (void)setCurrentPreamble:(NSString*)str {
+ if (![selectedPreambleName isEqualToString:@"default"])
+ [preambleDict setObject:str forKey:selectedPreambleName];
+}
+
+- (StyleManager*)styleManager {
+ return styleManager;
+}
+
+- (void)setStyleManager:(StyleManager *)manager {
+ [manager retain];
+ [styleManager release];
+ styleManager = manager;
+}
+
+- (NSString*)currentPostamble {
+ return POSTAMBLE;
+}
+
+- (NSMutableDictionary*)preambleDict {
+ return preambleDict;
+}
+
+- (NSString*)defaultPreambleName {
+ return @"default";
+}
+
+- (NSString*)addPreamble {
+ return [self addPreambleWithNameBase:@"new preamble"];
+}
+
+- (NSString*)addPreambleWithNameBase:(NSString*)base {
+ if ([preambleDict objectForKey:base] == nil) {
+ [self setPreamble:[self defaultPreamble] forName:base];
+ return base;
+ }
+ int i = 0;
+ NSString *tryName = nil;
+ do {
+ ++i;
+ tryName = [NSString stringWithFormat:@"%@ %d", base, i];
+ } while ([preambleDict objectForKey:tryName] != nil);
+
+ [self setPreamble:[self defaultPreamble] forName:tryName];
+ return tryName;
+}
+
+- (BOOL)renamePreambleFrom:(NSString*)old to:(NSString*)new {
+ if ([old isEqualToString:@"default"])
+ return NO;
+ if ([new isEqualToString:@"default"])
+ return NO;
+ if ([old isEqualToString:new])
+ return YES;
+ BOOL isSelected = NO;
+ if ([old isEqualToString:selectedPreambleName]) {
+ [self setSelectedPreambleName:nil];
+ isSelected = YES;
+ }
+ NSString *preamble = [preambleDict objectForKey:old];
+ [preamble retain];
+ [preambleDict removeObjectForKey:old];
+ [preambleDict setObject:preamble forKey:new];
+ [preamble release];
+ if (isSelected) {
+ [self setSelectedPreambleName:new];
+ }
+ return YES;
+}
+
+- (BOOL)removePreamble:(NSString*)name {
+ if ([name isEqualToString:@"default"])
+ return NO;
+ // "name" may be held only by being the selected preamble...
+ [name retain];
+ if ([name isEqualToString:selectedPreambleName])
+ [self setSelectedPreambleName:nil];
+ [preambleDict removeObjectForKey:name];
+ [name release];
+ return YES;
+}
+
+- (void)dealloc {
+ [selectedPreambleName release];
+ [styles release];
+ [styleManager release];
+ [super dealloc];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/PropertyHolder.h b/tikzit/src/common/PropertyHolder.h
new file mode 100644
index 0000000..ba1d825
--- /dev/null
+++ b/tikzit/src/common/PropertyHolder.h
@@ -0,0 +1,36 @@
+//
+// PropertyHolder.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface PropertyHolder : NSObject {
+ NSString *notificationName;
+}
+
+- (id)initWithNotificationName:(NSString*)name;
+- (void) postPropertyChanged:(NSString*)property oldValue:(id)value;
+- (void) postPropertyChanged:(NSString*)property;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/PropertyHolder.m b/tikzit/src/common/PropertyHolder.m
new file mode 100644
index 0000000..82b4889
--- /dev/null
+++ b/tikzit/src/common/PropertyHolder.m
@@ -0,0 +1,68 @@
+//
+// PropertyHolder.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "PropertyHolder.h"
+
+@implementation PropertyHolder
+
+
+- (id)init {
+ [super init];
+ notificationName = @"UnknownPropertyChanged";
+ return self;
+}
+
+- (id)initWithNotificationName:(NSString*)n {
+ [super init];
+ notificationName = [n copy];
+ return self;
+}
+
+- (void)postPropertyChanged:(NSString*)property oldValue:(id)value {
+ NSDictionary *userInfo;
+ if (value != nil) {
+ userInfo = [NSDictionary dictionaryWithObjectsAndKeys:
+ property, @"propertyName",
+ value, @"oldValue",
+ nil];
+ } else {
+ userInfo = [NSDictionary dictionaryWithObject:property
+ forKey:@"propertyName"];
+ }
+ [[NSNotificationCenter defaultCenter] postNotificationName:notificationName
+ object:self
+ userInfo:userInfo];
+}
+
+- (void)postPropertyChanged:(NSString*)property {
+ [self postPropertyChanged:property oldValue:nil];
+}
+
+- (void)dealloc {
+ [notificationName release];
+ [super dealloc];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/RColor.h b/tikzit/src/common/RColor.h
new file mode 100644
index 0000000..7f22547
--- /dev/null
+++ b/tikzit/src/common/RColor.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+
+#ifndef CGFloat
+#define CGFloat float
+#endif
+
+/**
+ * A lightweight color structure used by RenderContext
+ *
+ * This is mainly to avoid the overhead of ColorRGB when
+ * rendering things not based on a NodeStyle
+ *
+ * All values range from 0.0f to 1.0f.
+ */
+typedef struct {
+ CGFloat red;
+ CGFloat green;
+ CGFloat blue;
+ CGFloat alpha;
+}
+RColor;
+
+/** Solid white */
+static const RColor WhiteRColor __attribute__((unused)) = {1.0, 1.0, 1.0, 1.0};
+/** Solid black */
+static const RColor BlackRColor __attribute__((unused)) = {0.0, 0.0, 0.0, 1.0};
+
+/** Create a color with alpha set to 1.0 */
+RColor MakeSolidRColor (CGFloat red, CGFloat green, CGFloat blue);
+/** Create a color */
+RColor MakeRColor (CGFloat red, CGFloat green, CGFloat blue, CGFloat alpha);
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/RColor.m b/tikzit/src/common/RColor.m
new file mode 100644
index 0000000..49914fe
--- /dev/null
+++ b/tikzit/src/common/RColor.m
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "RColor.h"
+
+RColor MakeSolidRColor (CGFloat red, CGFloat green, CGFloat blue) {
+ return MakeRColor (red, green, blue, 1.0);
+}
+
+RColor MakeRColor (CGFloat red, CGFloat green, CGFloat blue, CGFloat alpha) {
+ RColor color;
+ color.red = red;
+ color.green = green;
+ color.blue = blue;
+ color.alpha = alpha;
+ return color;
+}
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/RectangleShape.h b/tikzit/src/common/RectangleShape.h
new file mode 100644
index 0000000..3fa0f31
--- /dev/null
+++ b/tikzit/src/common/RectangleShape.h
@@ -0,0 +1,33 @@
+//
+// RectangleShape.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "Shape.h"
+
+
+@interface RectangleShape : Shape {
+}
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/RectangleShape.m b/tikzit/src/common/RectangleShape.m
new file mode 100644
index 0000000..0b3baa0
--- /dev/null
+++ b/tikzit/src/common/RectangleShape.m
@@ -0,0 +1,54 @@
+//
+// RectangleShape.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "RectangleShape.h"
+#import "Node.h"
+#import "Edge.h"
+
+@implementation RectangleShape
+
+- (id)init {
+ [super init];
+ Node *n0,*n1,*n2,*n3;
+ float sz = 0.2f;
+
+ n0 = [Node nodeWithPoint:NSMakePoint(-sz, sz)];
+ n1 = [Node nodeWithPoint:NSMakePoint( sz, sz)];
+ n2 = [Node nodeWithPoint:NSMakePoint( sz,-sz)];
+ n3 = [Node nodeWithPoint:NSMakePoint(-sz,-sz)];
+
+ Edge *e0,*e1,*e2,*e3;
+
+ e0 = [Edge edgeWithSource:n0 andTarget:n1];
+ e1 = [Edge edgeWithSource:n1 andTarget:n2];
+ e2 = [Edge edgeWithSource:n2 andTarget:n3];
+ e3 = [Edge edgeWithSource:n3 andTarget:n0];
+
+ paths = [[NSSet alloc] initWithObjects:[NSArray arrayWithObjects:e0,e1,e2,e3,nil],nil];
+
+ return self;
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/RegularPolyShape.h b/tikzit/src/common/RegularPolyShape.h
new file mode 100644
index 0000000..663561e
--- /dev/null
+++ b/tikzit/src/common/RegularPolyShape.h
@@ -0,0 +1,34 @@
+//
+// RegularPolyShape.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "Shape.h"
+
+@interface RegularPolyShape : Shape {
+}
+
+- (id)initWithSides:(int)s rotation:(float)r;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/RegularPolyShape.m b/tikzit/src/common/RegularPolyShape.m
new file mode 100644
index 0000000..cd5858c
--- /dev/null
+++ b/tikzit/src/common/RegularPolyShape.m
@@ -0,0 +1,70 @@
+//
+// RegularPolyShape.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "RegularPolyShape.h"
+#import "Node.h"
+#import "Edge.h"
+#import "util.h"
+
+@implementation RegularPolyShape
+
+- (id)initWithSides:(int)sides rotation:(float)rotation {
+ [super init];
+
+ float rad = 0.25f;
+
+ NSMutableArray *nodes = [NSMutableArray arrayWithCapacity:sides];
+ NSMutableArray *edges = [NSMutableArray arrayWithCapacity:sides];
+
+ float dtheta = (M_PI * 2.0f) / ((float)sides);
+ float theta = rotation;
+ int i;
+ float maxY=0.0f, minY=0.0f;
+ NSPoint p;
+ for (i = 0; i < sides; ++i) {
+ p.x = rad * cos(theta);
+ p.y = rad * sin(theta);
+ if (p.y<minY) minY = p.y;
+ if (p.y>maxY) maxY = p.y;
+
+ [nodes addObject:[Node nodeWithPoint:p]];
+ theta += dtheta;
+ }
+
+ float dy = (minY + maxY) / 2.0f;
+
+ for (i = 0; i < sides; ++i) {
+ p = [[nodes objectAtIndex:i] point];
+ p.y -= dy;
+ [[nodes objectAtIndex:i] setPoint:p];
+ [edges addObject:[Edge edgeWithSource:[nodes objectAtIndex:i]
+ andTarget:[nodes objectAtIndex:(i+1)%sides]]];
+ }
+
+ paths = [[NSSet alloc] initWithObjects:edges,nil];
+ return self;
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/RenderContext.h b/tikzit/src/common/RenderContext.h
new file mode 100644
index 0000000..8633944
--- /dev/null
+++ b/tikzit/src/common/RenderContext.h
@@ -0,0 +1,156 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+#import "RColor.h"
+
+typedef enum {
+ AntialiasDisabled,
+ AntialiasDefault
+} AntialiasMode;
+
+// encapsulates a CTLine on OSX and
+// a PangoLayout in GTK+
+@protocol TextLayout
+@property (readonly) NSSize size;
+@property (readonly) NSString *text;
+- (void) showTextAt:(NSPoint)topLeft withColor:(RColor)color;
+@end
+
+@protocol RenderContext
+- (void) saveState;
+- (void) restoreState;
+
+- (NSRect) clipBoundingBox;
+- (BOOL) strokeIncludesPoint:(NSPoint)p;
+- (BOOL) fillIncludesPoint:(NSPoint)p;
+- (id<TextLayout>) layoutText:(NSString*)text withSize:(CGFloat)fontSize;
+
+// this may not affect text rendering
+- (void) setAntialiasMode:(AntialiasMode)mode;
+- (void) setLineWidth:(CGFloat)width;
+// setting to 0 will unset the dash
+- (void) setLineDash:(CGFloat)dashLength;
+
+/**
+ * Clear the current path, including all subpaths
+ */
+- (void) startPath;
+/**
+ * Close the current subpath
+ */
+- (void) closeSubPath;
+/**
+ * Start a new subpath, and set the current point.
+ *
+ * The point will be the current point and the starting point
+ * for the subpath.
+ */
+- (void) moveTo:(NSPoint)p;
+/**
+ * Add a cubic bezier curve to the current subpath.
+ *
+ * The curve will start at the current point, terminate at end and
+ * be defined by cp1 and cp2.
+ */
+- (void) curveTo:(NSPoint)end withCp1:(NSPoint)cp1 andCp2:(NSPoint)cp2;
+/**
+ * Add a straight line to the current subpath.
+ *
+ * The line will start at the current point, and terminate at end.
+ */
+- (void) lineTo:(NSPoint)end;
+/**
+ * Add a new rectangular subpath.
+ *
+ * The current point is undefined after this call.
+ */
+- (void) rect:(NSRect)rect;
+/**
+ * Add a new circular subpath.
+ *
+ * The current point is undefined after this call.
+ */
+- (void) circleAt:(NSPoint)c withRadius:(CGFloat)r;
+
+/**
+ * Paint along the current path.
+ *
+ * The current line width and dash style will be used,
+ * and the colour is given by color.
+ *
+ * The path will be cleared by this call, as though
+ * startPath had been called.
+ */
+- (void) strokePathWithColor:(RColor)color;
+/**
+ * Paint inside the current path.
+ *
+ * The fill colour is given by color.
+ *
+ * The path will be cleared by this call, as though
+ * startPath had been called.
+ */
+- (void) fillPathWithColor:(RColor)color;
+/**
+ * Paint along and inside the current path.
+ *
+ * The current line width and dash style will be used,
+ * and the colour is given by color.
+ *
+ * The path will be cleared by this call, as though
+ * startPath had been called.
+ *
+ * Note that the fill and stroke may overlap, although
+ * the stroke is always painted on top, so this is only
+ * relevant when the stroke colour has an alpha channel
+ * other than 1.0f.
+ */
+- (void) strokePathWithColor:(RColor)scolor
+ andFillWithColor:(RColor)fcolor;
+/**
+ * Paint along and inside the current path using an alpha channel.
+ *
+ * The current line width and dash style will be used,
+ * and the colour is given by color.
+ *
+ * The path will be cleared by this call, as though
+ * startPath had been called.
+ *
+ * Note that the fill and stroke may overlap, although
+ * the stroke is always painted on top, so this is only
+ * relevant when the stroke colour has an alpha channel
+ * other than 1.0f.
+ */
+- (void) strokePathWithColor:(RColor)scolor
+ andFillWithColor:(RColor)fcolor
+ usingAlpha:(CGFloat)alpha;
+/**
+ * Set the clip to the current path.
+ *
+ * The path will be cleared by this call, as though
+ * startPath had been called.
+ */
+- (void) clipToPath;
+
+/**
+ * Paint everywhere within the clip.
+ */
+- (void) paintWithColor:(RColor)color;
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/Shape.h b/tikzit/src/common/Shape.h
new file mode 100644
index 0000000..194a88b
--- /dev/null
+++ b/tikzit/src/common/Shape.h
@@ -0,0 +1,42 @@
+//
+// Shape.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "Transformer.h"
+
+@interface Shape : NSObject <NSCopying> {
+ NSSet *paths;
+ NSRect boundingRect; // cache
+}
+
+@property (retain) NSSet *paths;
+@property (readonly) NSRect boundingRect;
+
+- (id)init;
++ (void)refreshShapeDictionary;
++ (NSDictionary*)shapeDictionary;
++ (Shape*)shapeForName:(NSString*)shapeName;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/Shape.m b/tikzit/src/common/Shape.m
new file mode 100644
index 0000000..8714031
--- /dev/null
+++ b/tikzit/src/common/Shape.m
@@ -0,0 +1,141 @@
+//
+// Shape.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Edge.h"
+#import "Shape.h"
+#import "SupportDir.h"
+#import "ShapeNames.h"
+#import "CircleShape.h"
+#import "RectangleShape.h"
+#import "RegularPolyShape.h"
+#import "TikzShape.h"
+#import "util.h"
+
+@implementation Shape
+
+- (void)calcBoundingRect {
+ boundingRect = NSZeroRect;
+
+ if (paths == nil)
+ return;
+
+ for (NSArray *arr in paths) {
+ for (Edge *e in arr) {
+ boundingRect = NSUnionRect(boundingRect, [e boundingRect]);
+ }
+ }
+}
+
+- (id)init {
+ [super init];
+ paths = nil;
+ return self;
+}
+
+- (NSSet*)paths {return paths;}
+- (void)setPaths:(NSSet *)p {
+ if (paths != p) {
+ [paths release];
+ paths = [p retain];
+ [self calcBoundingRect];
+ }
+}
+
+- (NSRect)boundingRect { return boundingRect; }
+
+- (id)copyWithZone:(NSZone*)zone {
+ Shape *cp = [[[self class] allocWithZone:zone] init];
+ [cp setPaths:paths];
+ return cp;
+}
+
+- (void)dealloc {
+ [paths release];
+ [super dealloc];
+}
+
+NSDictionary *shapeDictionary = nil;
+
++ (void)addShapesInDir:(NSString*)shapeDir to:(NSMutableDictionary*)shapeDict {
+ NSFileManager *fileManager = [NSFileManager defaultManager];
+ NSArray *files = [fileManager directoryContentsAtPath:shapeDir];
+
+ if (files != nil) {
+ NSString *nm;
+ for (NSString *f in files) {
+ if ([f hasSuffix:@".tikz"]) {
+ nm = [f substringToIndex:[f length]-5];
+ TikzShape *sh =
+ [[TikzShape alloc] initWithTikzFile:
+ [shapeDir stringByAppendingPathComponent:f]];
+ if (sh != nil) {
+ [shapeDict setObject:sh forKey:nm];
+ [sh release];
+ }
+ }
+ }
+ }
+}
+
++ (void)refreshShapeDictionary {
+ Shape *shapes[5] = {
+ [[CircleShape alloc] init],
+ [[RectangleShape alloc] init],
+ [[RegularPolyShape alloc] initWithSides:4 rotation:(M_PI/2.0f)],
+ [[RegularPolyShape alloc] initWithSides:3 rotation:(M_PI/2.0f)],
+ [[RegularPolyShape alloc] initWithSides:3 rotation:(-M_PI/2.0f)]};
+ NSMutableDictionary *shapeDict = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
+ shapes[0], SHAPE_CIRCLE,
+ shapes[1], SHAPE_RECTANGLE,
+ shapes[2], SHAPE_DIAMOND,
+ shapes[3], SHAPE_UP_TRIANGLE,
+ shapes[4], SHAPE_DOWN_TRIANGLE,
+ nil];
+ for (int i = 0; i<5; ++i) [shapes[i] release];
+
+ NSString *systemShapeDir = [[SupportDir systemSupportDir] stringByAppendingPathComponent:@"shapes"];
+ NSString *userShapeDir = [[SupportDir userSupportDir] stringByAppendingPathComponent:@"shapes"];
+
+ [Shape addShapesInDir:systemShapeDir to:shapeDict];
+ [Shape addShapesInDir:userShapeDir to:shapeDict];
+
+ shapeDictionary = shapeDict;
+
+ [[NSNotificationCenter defaultCenter]
+ postNotificationName:@"ShapeDictionaryReplaced"
+ object:self];
+}
+
++ (NSDictionary*)shapeDictionary {
+ if (shapeDictionary == nil) [Shape refreshShapeDictionary];
+ return shapeDictionary;
+}
+
++ (Shape*)shapeForName:(NSString*)shapeName {
+ Shape *s = [[[Shape shapeDictionary] objectForKey:shapeName] copy];
+ return [s autorelease];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/ShapeNames.h b/tikzit/src/common/ShapeNames.h
new file mode 100644
index 0000000..66ecfb1
--- /dev/null
+++ b/tikzit/src/common/ShapeNames.h
@@ -0,0 +1,27 @@
+//
+// ShapeNames.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+
+#define SHAPE_CIRCLE @"circle"
+#define SHAPE_RECTANGLE @"rectangle"
+#define SHAPE_UP_TRIANGLE @"up triangle"
+#define SHAPE_DOWN_TRIANGLE @"down triangle"
+#define SHAPE_DIAMOND @"diamond"
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/StyleManager.h b/tikzit/src/common/StyleManager.h
new file mode 100644
index 0000000..406a86a
--- /dev/null
+++ b/tikzit/src/common/StyleManager.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+#import "NodeStyle.h"
+#import "EdgeStyle.h"
+
+@interface StyleManager: NSObject {
+ NSMutableArray *nodeStyles;
+ NodeStyle *activeNodeStyle;
+ NSMutableArray *edgeStyles;
+ EdgeStyle *activeEdgeStyle;
+}
+
++ (StyleManager*) manager;
+- (id) init;
+
+@property (readonly) NSArray *nodeStyles;
+@property (retain) NodeStyle *activeNodeStyle;
+@property (readonly) NSArray *edgeStyles;
+@property (retain) EdgeStyle *activeEdgeStyle;
+
+// only for use by loading code
+- (void) _setNodeStyles:(NSMutableArray*)styles;
+- (void) _setEdgeStyles:(NSMutableArray*)styles;
+
+- (NodeStyle*) nodeStyleForName:(NSString*)name;
+- (EdgeStyle*) edgeStyleForName:(NSString*)name;
+
+- (void) addNodeStyle:(NodeStyle*)style;
+- (void) removeNodeStyle:(NodeStyle*)style;
+- (void) addEdgeStyle:(EdgeStyle*)style;
+- (void) removeEdgeStyle:(EdgeStyle*)style;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/StyleManager.m b/tikzit/src/common/StyleManager.m
new file mode 100644
index 0000000..b5348c6
--- /dev/null
+++ b/tikzit/src/common/StyleManager.m
@@ -0,0 +1,339 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "StyleManager.h"
+
+@implementation StyleManager
+
+- (void) nodeStylePropertyChanged:(NSNotification*)n {
+ if ([[[n userInfo] objectForKey:@"propertyName"] isEqual:@"name"]) {
+ NSDictionary *userInfo;
+ userInfo = [NSDictionary dictionaryWithObjectsAndKeys:
+ [n object], @"style",
+ [[n userInfo] objectForKey:@"oldValue"], @"oldName",
+ nil];
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"NodeStyleRenamed"
+ object:self
+ userInfo:userInfo];
+ }
+}
+
+- (void) ignoreAllNodeStyles {
+ [[NSNotificationCenter defaultCenter]
+ removeObserver:self
+ name:@"NodeStylePropertyChanged"
+ object:nil];
+}
+
+- (void) ignoreNodeStyle:(NodeStyle*)style {
+ [[NSNotificationCenter defaultCenter]
+ removeObserver:self
+ name:@"NodeStylePropertyChanged"
+ object:style];
+}
+
+- (void) listenToNodeStyle:(NodeStyle*)style {
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(nodeStylePropertyChanged:)
+ name:@"NodeStylePropertyChanged"
+ object:style];
+}
+
+- (void) edgeStylePropertyChanged:(NSNotification*)n {
+ if ([[[n userInfo] objectForKey:@"propertyName"] isEqual:@"name"]) {
+ NSDictionary *userInfo;
+ userInfo = [NSDictionary dictionaryWithObjectsAndKeys:
+ [n object], @"style",
+ [[n userInfo] objectForKey:@"oldValue"], @"oldName",
+ nil];
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"EdgeStyleRenamed"
+ object:self
+ userInfo:userInfo];
+ }
+}
+
+- (void) ignoreAllEdgeStyles {
+ [[NSNotificationCenter defaultCenter]
+ removeObserver:self
+ name:@"EdgeStylePropertyChanged"
+ object:nil];
+}
+
+- (void) ignoreEdgeStyle:(EdgeStyle*)style {
+ [[NSNotificationCenter defaultCenter]
+ removeObserver:self
+ name:@"EdgeStylePropertyChanged"
+ object:style];
+}
+
+- (void) listenToEdgeStyle:(EdgeStyle*)style {
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(edgeStylePropertyChanged:)
+ name:@"EdgeStylePropertyChanged"
+ object:style];
+}
+
++ (StyleManager*) manager {
+ return [[[self alloc] init] autorelease];
+}
+
+- (id) init {
+ self = [super init];
+
+ if (self) {
+ // we lazily load the default styles, since they may not be needed
+ nodeStyles = nil;
+ activeNodeStyle = nil;
+ edgeStyles = nil;
+ activeEdgeStyle = nil;
+ }
+
+ return self;
+}
+
+- (void) dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+
+ [nodeStyles release];
+ [edgeStyles release];
+
+ [super dealloc];
+}
+
+- (void) loadDefaultEdgeStyles {
+}
+
+- (void) loadDefaultNodeStyles {
+ [nodeStyles release];
+ nodeStyles = [[NSMutableArray alloc] initWithCapacity:3];
+
+ NodeStyle *rn = [NodeStyle defaultNodeStyleWithName:@"rn"];
+ [rn setStrokeThickness:2];
+ [rn setStrokeColorRGB:[ColorRGB colorWithFloatRed:0 green:0 blue:0]];
+ [rn setFillColorRGB:[ColorRGB colorWithFloatRed:1 green:0 blue:0]];
+ [self listenToNodeStyle:rn];
+
+ NodeStyle *gn = [NodeStyle defaultNodeStyleWithName:@"gn"];
+ [gn setStrokeThickness:2];
+ [gn setStrokeColorRGB:[ColorRGB colorWithFloatRed:0 green:0 blue:0]];
+ [gn setFillColorRGB:[ColorRGB colorWithFloatRed:0 green:1 blue:0]];
+ [self listenToNodeStyle:gn];
+
+ NodeStyle *yn = [NodeStyle defaultNodeStyleWithName:@"yn"];
+ [yn setStrokeThickness:2];
+ [yn setStrokeColorRGB:[ColorRGB colorWithFloatRed:0 green:0 blue:0]];
+ [yn setFillColorRGB:[ColorRGB colorWithFloatRed:1 green:1 blue:0]];
+ [self listenToNodeStyle:yn];
+
+ [nodeStyles addObject:rn];
+ [nodeStyles addObject:gn];
+ [nodeStyles addObject:yn];
+}
+
+- (void) postNodeStyleAdded:(NodeStyle*)style {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"NodeStyleAdded"
+ object:self
+ userInfo:[NSDictionary dictionaryWithObject:style forKey:@"style"]];
+}
+
+- (void) postNodeStyleRemoved:(NodeStyle*)style {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"NodeStyleRemoved"
+ object:self
+ userInfo:[NSDictionary dictionaryWithObject:style forKey:@"style"]];
+}
+
+- (void) postEdgeStyleAdded:(EdgeStyle*)style {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"EdgeStyleAdded"
+ object:self
+ userInfo:[NSDictionary dictionaryWithObject:style forKey:@"style"]];
+}
+
+- (void) postEdgeStyleRemoved:(EdgeStyle*)style {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"EdgeStyleRemoved"
+ object:self
+ userInfo:[NSDictionary dictionaryWithObject:style forKey:@"style"]];
+}
+
+- (void) postNodeStylesReplaced {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"NodeStylesReplaced" object:self];
+}
+
+- (void) postEdgeStylesReplaced {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"EdgeStylesReplaced" object:self];
+}
+
+- (void) postActiveNodeStyleChanged {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"ActiveNodeStyleChanged" object:self];
+}
+
+- (void) postActiveEdgeStyleChanged {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"ActiveEdgeStyleChanged" object:self];
+}
+
+- (NSArray*) nodeStyles {
+ if (nodeStyles == nil) {
+ [self loadDefaultNodeStyles];
+ }
+ return nodeStyles;
+}
+
+- (NSArray*) edgeStyles {
+ if (edgeStyles == nil) {
+ [self loadDefaultEdgeStyles];
+ }
+ return edgeStyles;
+}
+
+- (void) _setNodeStyles:(NSMutableArray*)styles {
+ [self ignoreAllNodeStyles];
+ [nodeStyles release];
+ [styles retain];
+ nodeStyles = styles;
+ NodeStyle *oldActiveStyle = activeNodeStyle;
+ activeNodeStyle = nil;
+ for (NodeStyle *style in styles) {
+ [self listenToNodeStyle:style];
+ }
+ [self postNodeStylesReplaced];
+ if (oldActiveStyle != activeNodeStyle) {
+ [self postActiveNodeStyleChanged];
+ }
+}
+
+- (void) _setEdgeStyles:(NSMutableArray*)styles {
+ [self ignoreAllEdgeStyles];
+ [edgeStyles release];
+ [styles retain];
+ edgeStyles = styles;
+ EdgeStyle *oldActiveStyle = activeEdgeStyle;
+ activeEdgeStyle = nil;
+ for (EdgeStyle *style in styles) {
+ [self listenToEdgeStyle:style];
+ }
+ [self postEdgeStylesReplaced];
+ if (oldActiveStyle != activeEdgeStyle) {
+ [self postActiveEdgeStyleChanged];
+ }
+}
+
+- (NodeStyle*) activeNodeStyle {
+ if (nodeStyles == nil) {
+ [self loadDefaultNodeStyles];
+ }
+ return activeNodeStyle;
+}
+
+- (void) setActiveNodeStyle:(NodeStyle*)style {
+ if (style == activeNodeStyle) {
+ return;
+ }
+ if (style == nil || [nodeStyles containsObject:style]) {
+ activeNodeStyle = style;
+ [self postActiveNodeStyleChanged];
+ }
+}
+
+- (EdgeStyle*) activeEdgeStyle {
+ if (edgeStyles == nil) {
+ [self loadDefaultEdgeStyles];
+ }
+ return activeEdgeStyle;
+}
+
+- (void) setActiveEdgeStyle:(EdgeStyle*)style {
+ if (style == activeEdgeStyle) {
+ return;
+ }
+ if (style == nil || [edgeStyles containsObject:style]) {
+ activeEdgeStyle = style;
+ [self postActiveEdgeStyleChanged];
+ }
+}
+
+- (NodeStyle*) nodeStyleForName:(NSString*)name {
+ for (NodeStyle *s in nodeStyles) {
+ if ([[s name] isEqualToString:name]) {
+ return s;
+ }
+ }
+
+ return nil;
+}
+
+- (void) addNodeStyle:(NodeStyle*)style {
+ if (nodeStyles == nil) {
+ [self loadDefaultNodeStyles];
+ }
+ [nodeStyles addObject:style];
+ [self listenToNodeStyle:style];
+ [self postNodeStyleAdded:style];
+}
+
+- (void) removeNodeStyle:(NodeStyle*)style {
+ if (nodeStyles == nil) {
+ [self loadDefaultNodeStyles];
+ }
+ if (activeNodeStyle == style) {
+ [self setActiveNodeStyle:nil];
+ }
+
+ [self ignoreNodeStyle:style];
+ [style retain];
+ [nodeStyles removeObject:style];
+ [self postNodeStyleRemoved:style];
+ [style release];
+}
+
+- (EdgeStyle*) edgeStyleForName:(NSString*)name {
+ for (EdgeStyle *s in edgeStyles) {
+ if ([[s name] isEqualToString:name]) {
+ return s;
+ }
+ }
+
+ return nil;
+}
+
+- (void) addEdgeStyle:(EdgeStyle*)style {
+ if (edgeStyles == nil) {
+ [self loadDefaultEdgeStyles];
+ }
+ [edgeStyles addObject:style];
+ [self listenToEdgeStyle:style];
+ [self postEdgeStyleAdded:style];
+}
+
+- (void) removeEdgeStyle:(EdgeStyle*)style {
+ if (edgeStyles == nil) {
+ [self loadDefaultEdgeStyles];
+ }
+ if (activeEdgeStyle == style) {
+ [self setActiveEdgeStyle:nil];
+ }
+
+ [self ignoreEdgeStyle:style];
+ [style retain];
+ [edgeStyles removeObject:style];
+ [self postEdgeStyleRemoved:style];
+ [style release];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/SupportDir.h b/tikzit/src/common/SupportDir.h
new file mode 100644
index 0000000..30ccbcb
--- /dev/null
+++ b/tikzit/src/common/SupportDir.h
@@ -0,0 +1,36 @@
+//
+// SupportDir.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+
+
+@interface SupportDir : NSObject {
+}
+
++ (void)createUserSupportDir;
++ (NSString*)userSupportDir;
++ (NSString*)systemSupportDir;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/SupportDir.m b/tikzit/src/common/SupportDir.m
new file mode 100644
index 0000000..c014f4d
--- /dev/null
+++ b/tikzit/src/common/SupportDir.m
@@ -0,0 +1,65 @@
+//
+// SupportDir.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "SupportDir.h"
+
+#ifndef __APPLE__
+#import <glib.h>
+#endif
+
+@implementation SupportDir
+
++ (NSString*)userSupportDir {
+#ifdef __APPLE__
+ return [[NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory,NSUserDomainMask,YES)
+ objectAtIndex:0] stringByAppendingPathComponent:@"TikZiT"];
+#else
+ return [NSString stringWithFormat:@"%s/tikzit", g_get_user_config_dir ()];
+#endif
+}
+
++ (NSString*)systemSupportDir {
+#ifdef __APPLE__
+ return [[NSBundle mainBundle] resourcePath];
+#else
+ return @TIKZITSHAREDIR; // TODO: improve + support windows
+#endif
+}
+
++ (void)createUserSupportDir {
+#ifdef __APPLE__
+ NSFileManager *fileManager = [NSFileManager defaultManager];
+ NSError *error = nil;
+ [fileManager createDirectoryAtPath:[SupportDir userSupportDir]
+ withIntermediateDirectories:YES
+ attributes:nil
+ error:NULL];
+#else
+ // NSFileManager is slightly dodgy on Windows
+ g_mkdir_with_parents ([[SupportDir userSupportDir] UTF8String], 700);
+#endif
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/TikzGraphAssembler.h b/tikzit/src/common/TikzGraphAssembler.h
new file mode 100644
index 0000000..e976405
--- /dev/null
+++ b/tikzit/src/common/TikzGraphAssembler.h
@@ -0,0 +1,58 @@
+//
+// TikzGraphAssembler.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "Graph.h"
+
+@interface TikzGraphAssembler : NSObject {
+ Graph *graph;
+ Node *currentNode;
+ Edge *currentEdge;
+ NSMutableDictionary *nodeMap;
+}
+
+@property (readonly) Graph *graph;
+@property (readonly) GraphElementData *data;
+@property (readonly) Node *currentNode;
+@property (readonly) Edge *currentEdge;
+
+
+- (BOOL)parseTikz:(NSString*)tikz;
+- (BOOL)parseTikz:(NSString*)tikz forGraph:(Graph*)gr;
+
+- (void)prepareNode;
+- (void)finishNode;
+
+- (void)prepareEdge;
+- (void)setEdgeSource:(NSString*)src target:(NSString*)targ;
+- (void)finishEdge;
+
+- (void)invalidate;
+
++ (void)setup;
++ (TikzGraphAssembler*)currentAssembler;
++ (TikzGraphAssembler*)assembler;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/TikzGraphAssembler.m b/tikzit/src/common/TikzGraphAssembler.m
new file mode 100644
index 0000000..5354710
--- /dev/null
+++ b/tikzit/src/common/TikzGraphAssembler.m
@@ -0,0 +1,169 @@
+//
+// TikzGraphAssembler.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "TikzGraphAssembler.h"
+
+extern int yyparse(void);
+extern int yylex(void);
+extern int yy_scan_string(const char* yy_str);
+extern void yy_delete_buffer(int b);
+extern int yylex_destroy(void);
+
+
+static NSLock *parseLock = nil;
+static id currentAssembler = nil;
+
+void yyerror(const char *str) {
+ NSLog(@"Parse error: %s", str);
+ if (currentAssembler != nil) {
+ [currentAssembler invalidate];
+ }
+}
+
+int yywrap() {
+ return 1;
+}
+
+@implementation TikzGraphAssembler
+
+- (id)init {
+ [super init];
+ graph = nil;
+ currentNode = nil;
+ currentEdge = nil;
+ nodeMap = nil;
+ return self;
+}
+
+- (Graph*)graph { return graph; }
+
+- (GraphElementData *)data {
+ if (currentNode != nil) {
+ return [currentNode data];
+ } else if (currentEdge != nil) {
+ return [currentEdge data];
+ } else {
+ return [graph data];
+ }
+}
+
+- (Node*)currentNode { return currentNode; }
+- (Edge*)currentEdge { return currentEdge; }
+
+- (BOOL)parseTikz:(NSString *)tikz {
+ return [self parseTikz:tikz forGraph:[Graph graph]];
+}
+
+- (BOOL)parseTikz:(NSString*)tikz forGraph:(Graph*)gr {
+ [parseLock lock];
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ currentAssembler = self;
+
+ // set the current graph
+ if (graph != gr) {
+ [graph release];
+ graph = [gr retain];
+ }
+
+ // the node map keeps track of the mapping of names to nodes
+ nodeMap = [[NSMutableDictionary alloc] init];
+
+ // do the parsing
+ yy_scan_string([tikz UTF8String]);
+ yyparse();
+ yylex_destroy();
+
+ [nodeMap release];
+
+ currentAssembler = nil;
+ [pool drain];
+
+ [parseLock unlock];
+
+ return (graph != nil);
+}
+
+- (void)prepareNode {
+ currentNode = [[Node alloc] init];
+}
+
+- (void)finishNode {
+ if (currentEdge != nil) { // this is an edge node
+ [currentEdge setEdgeNode:currentNode];
+ } else { // this is a normal node
+ [graph addNode:currentNode];
+ [nodeMap setObject:currentNode forKey:[currentNode name]];
+ }
+
+ [currentNode release];
+ currentNode = nil;
+}
+
+- (void)prepareEdge {
+ currentEdge = [[Edge alloc] init];
+}
+
+- (void)finishEdge {
+ [currentEdge setAttributesFromData];
+ [graph addEdge:currentEdge];
+ [currentEdge release];
+ currentEdge = nil;
+}
+
+- (void)setEdgeSource:(NSString*)src target:(NSString*)targ {
+ if (![targ isEqualToString:@""]) {
+ [currentEdge setSource:[nodeMap objectForKey:src]];
+ [currentEdge setTarget:[nodeMap objectForKey:targ]];
+ } else {
+ Node *s = [nodeMap objectForKey:src];
+ [currentEdge setSource:s];
+ [currentEdge setTarget:s];
+ }
+}
+
+- (void)dealloc {
+ [graph release];
+ [super dealloc];
+}
+
+- (void)invalidate {
+ [graph release];
+ graph = nil;
+}
+
++ (void)setup {
+ parseLock = [[NSLock alloc] init];
+}
+
++ (TikzGraphAssembler*)currentAssembler {
+ return currentAssembler;
+}
+
++ (TikzGraphAssembler*)assembler {
+ return [[[TikzGraphAssembler alloc] init] autorelease];
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/TikzShape.h b/tikzit/src/common/TikzShape.h
new file mode 100644
index 0000000..1ccf658
--- /dev/null
+++ b/tikzit/src/common/TikzShape.h
@@ -0,0 +1,34 @@
+//
+// TikzShape.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#import "Shape.h"
+
+@interface TikzShape : Shape {
+}
+
+- (id)initWithTikzFile:(NSString*)file;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/TikzShape.m b/tikzit/src/common/TikzShape.m
new file mode 100644
index 0000000..43bd0d8
--- /dev/null
+++ b/tikzit/src/common/TikzShape.m
@@ -0,0 +1,87 @@
+//
+// TikzShape.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "TikzShape.h"
+#import "TikzGraphAssembler.h"
+#import "Graph.h"
+
+NSString *defaultTikz =
+@"\\begin{tikzpicture}\n"
+@" \\begin{pgfonlayer}{nodelayer}\n"
+@" \\node [style=none] (0) at (-0.5, 1) {};\n"
+@" \\node [style=none] (1) at (0.5, 1) {};\n"
+@" \\node [style=none] (2) at (-1.5, -1) {};\n"
+@" \\node [style=none] (3) at (-0.5, -1) {};\n"
+@" \\node [style=none] (4) at (0.5, -1) {};\n"
+@" \\node [style=none] (5) at (1.5, -1) {};\n"
+@" \\end{pgfonlayer}\n"
+@" \\begin{pgfonlayer}{edgelayer}\n"
+@" \\draw (3.center) to (2.center);\n"
+@" \\draw [in=90, out=90, looseness=2.00] (4.center) to (3.center);\n"
+@" \\draw (5.center) to (4.center);\n"
+@" \\draw [in=270, out=90, looseness=0.75] (2.center) to (0.center);\n"
+@" \\draw [in=90, out=-90, looseness=0.75] (1.center) to (5.center);\n"
+@" \\draw (0.center) to (1.center);\n"
+@" \\end{pgfonlayer}\n"
+@"\\end{tikzpicture}\n";
+
+@implementation TikzShape
+
+- (id)initWithTikzFile:(NSString*)file {
+ [super init];
+
+ NSString *tikz = [NSString stringWithContentsOfFile:file
+ encoding:NSUTF8StringEncoding
+ error:NULL];
+ if (tikz == nil) return nil;
+
+ TikzGraphAssembler *ass = [[TikzGraphAssembler alloc] init];
+ [ass parseTikz:tikz];
+
+ Graph *graph = [ass graph];
+ [ass release];
+ if (graph == nil) return nil;
+
+ NSRect graphBounds = ([graph hasBoundingBox]) ? [graph boundingBox] : [graph bounds];
+
+ float sz = 0.5f;
+
+ // the "screen" coordinate space fits in the shape bounds
+ Transformer *t = [Transformer transformer];
+ float width_ratio = (2*sz) / graphBounds.size.width;
+ float height_ratio = (2*sz) / graphBounds.size.height;
+ [t setScale:MIN(width_ratio, height_ratio)];
+ NSRect bds = [t rectToScreen:graphBounds];
+ NSPoint shift = NSMakePoint(-NSMidX(bds),
+ -NSMidY(bds));
+ [t setOrigin:shift];
+ [graph applyTransformer:t];
+ paths = [[graph pathCover] retain];
+
+ return self;
+}
+
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/Transformer.h b/tikzit/src/common/Transformer.h
new file mode 100644
index 0000000..1b0108a
--- /dev/null
+++ b/tikzit/src/common/Transformer.h
@@ -0,0 +1,154 @@
+//
+// Transformer.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+
+#import <Foundation/Foundation.h>
+
+extern float const PIXELS_PER_UNIT;
+
+/*!
+ @class Transformer
+ @brief Do affine coordinate transforms between an abstract co-ordinate
+ space (such as the graph's) and the screen's.
+
+ This currently allows zooming and panning.
+ */
+@interface Transformer : NSObject <NSCopying> {
+ NSPoint origin;
+ float x_scale;
+ float y_scale;
+}
+
+/*!
+ @brief The screen co-ordinate of the abstract space origin.
+ */
+@property (assign) NSPoint origin;
+
+/*!
+ @brief The scale (from abstract space to screen space)
+ @detail This is the size of a single unit (a distance of 1.0)
+ of the abstract space on the screen.
+
+ Around 50 is a reasonable value.
+ */
+@property (assign) float scale;
+
+/*!
+ @brief Whether co-ordinates are flipped about the X axis
+ @detail TikZ considers X co-ordinates to run left to right,
+ which is not necessarily how the screen views
+ them.
+ */
+@property (assign,getter=isFlippedAboutXAxis) BOOL flippedAboutXAxis;
+
+/*!
+ @brief Whether co-ordinates are flipped about the Y axis
+ @detail TikZ considers Y co-ordinates to run up the page,
+ which is not necessarily how the screen views
+ them.
+ */
+@property (assign,getter=isFlippedAboutYAxis) BOOL flippedAboutYAxis;
+
+/*!
+ @brief Transform a point from screen space to abstract space.
+ @param p a point in screen space.
+ @result A point in abstract space.
+ */
+- (NSPoint)fromScreen:(NSPoint)p;
+
+/*!
+ @brief Transform a point from abstract space to screen space.
+ @param p a point in abstract space.
+ @result A point in screen space.
+ */
+- (NSPoint)toScreen:(NSPoint)p;
+
+/*!
+ @brief Scale a distance from screen space to abstract space.
+ @param dist a distance in screen space.
+ @result A distance in abstract space.
+ */
+- (float)scaleFromScreen:(float)dist;
+
+/*!
+ @brief Scale a distance from abstract space to screen space.
+ @param dist a distance in abstract space.
+ @result A distance in screen space.
+ */
+- (float)scaleToScreen:(float)dist;
+
+/*!
+ @brief Scale a rectangle from screen space to abstract space.
+ @param r a rectangle in screen space.
+ @result A rectangle in abstract space.
+ */
+- (NSRect)rectFromScreen:(NSRect)r;
+
+/*!
+ @brief Scale a rectangle from abstract space to screen space.
+ @param r a rectangle in abstract space.
+ @result A rectangle in screen space.
+ */
+- (NSRect)rectToScreen:(NSRect)r;
+
+/*!
+ @brief Factory method to get an identity transformer.
+ @result A transformer.
+ */
++ (Transformer*)transformer;
+
+/*!
+ @brief Factory method to get a transformer identical to another
+ @result A transformer.
+ */
++ (Transformer*)transformerWithTransformer:(Transformer*)t;
+
+/*!
+ @brief Factory method to get a transformer.
+ @param o The screen co-ordinate of the abstract space origin
+ @param scale The scale (from abstract space to screen space)
+ @result A transformer.
+ */
++ (Transformer*)transformerWithOrigin:(NSPoint)o andScale:(float)scale;
+
+/*!
+ @brief Get a global 'actual size' transformer.
+ @result A transformer.
+ */
++ (Transformer*)defaultTransformer;
+
+/*!
+ @brief A transformer set up from two bounding rects.
+
+ graphRect is made as large as possible while still fitting into screenRect.
+ @result A transformer.
+ */
++ (Transformer*)transformerToFit:(NSRect)graphRect intoScreenRect:(NSRect)screenRect flippedAboutXAxis:(BOOL)flipX flippedAboutYAxis:(BOOL)flipY;
+
++ (Transformer*)transformerToFit:(NSRect)graphRect intoScreenRect:(NSRect)screenRect flippedAboutXAxis:(BOOL)flipX;
++ (Transformer*)transformerToFit:(NSRect)graphRect intoScreenRect:(NSRect)screenRect flippedAboutYAxis:(BOOL)flipY;
++ (Transformer*)transformerToFit:(NSRect)graphRect intoScreenRect:(NSRect)screenRect;
+
+@end
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/Transformer.m b/tikzit/src/common/Transformer.m
new file mode 100644
index 0000000..fe4d135
--- /dev/null
+++ b/tikzit/src/common/Transformer.m
@@ -0,0 +1,221 @@
+//
+// Transformer.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Transformer.h"
+
+float const PIXELS_PER_UNIT = 50;
+
+@implementation Transformer
+
++ (Transformer*)transformer {
+ return [[[Transformer alloc] init] autorelease];
+}
+
++ (Transformer*)transformerWithTransformer:(Transformer*)t {
+ return [[t copy] autorelease];
+}
+
++ (Transformer*)transformerWithOrigin:(NSPoint)o andScale:(float)scale {
+ Transformer *trans = [self transformer];
+ [trans setOrigin:o];
+ [trans setScale:scale];
+ return trans;
+}
+
++ (Transformer*)transformerToFit:(NSRect)graphRect
+ intoScreenRect:(NSRect)screenRect {
+ return [self transformerToFit:graphRect
+ intoScreenRect:screenRect
+ flippedAboutXAxis:NO
+ flippedAboutYAxis:NO];
+}
+
++ (Transformer*)transformerToFit:(NSRect)graphRect
+ intoScreenRect:(NSRect)screenRect
+ flippedAboutXAxis:(BOOL)flipX {
+ return [self transformerToFit:graphRect
+ intoScreenRect:screenRect
+ flippedAboutXAxis:flipX
+ flippedAboutYAxis:NO];
+}
+
++ (Transformer*)transformerToFit:(NSRect)graphRect
+ intoScreenRect:(NSRect)screenRect
+ flippedAboutYAxis:(BOOL)flipY {
+ return [self transformerToFit:graphRect
+ intoScreenRect:screenRect
+ flippedAboutXAxis:NO
+ flippedAboutYAxis:flipY];
+}
+
++ (Transformer*)transformerToFit:(NSRect)graphRect
+ intoScreenRect:(NSRect)screenRect
+ flippedAboutXAxis:(BOOL)flipAboutXAxis
+ flippedAboutYAxis:(BOOL)flipAboutYAxis {
+
+ const float wscale = screenRect.size.width / graphRect.size.width;
+ const float hscale = screenRect.size.height / graphRect.size.height;
+ const float scale = (wscale < hscale) ? wscale : hscale;
+ const float xpad = (screenRect.size.width - (graphRect.size.width * scale)) / 2.0;
+ const float ypad = (screenRect.size.height - (graphRect.size.height * scale)) / 2.0;
+
+ // if we are flipping, we need to calculate the origin from the opposite edge
+ const float gx = flipAboutYAxis ? -(graphRect.size.width + graphRect.origin.x)
+ : graphRect.origin.x;
+ const float gy = flipAboutXAxis ? -(graphRect.size.height + graphRect.origin.y)
+ : graphRect.origin.y;
+ const float origin_x = screenRect.origin.x - (gx * scale) + xpad;
+ const float origin_y = screenRect.origin.y - (gy * scale) + ypad;
+
+ Transformer *trans = [self transformer];
+ [trans setOrigin:NSMakePoint(origin_x, origin_y)];
+ [trans setScale:scale];
+ [trans setFlippedAboutXAxis:flipAboutXAxis];
+ [trans setFlippedAboutYAxis:flipAboutYAxis];
+ return trans;
+}
+
+- (id) init {
+ self = [super init];
+
+ if (self) {
+ origin = NSZeroPoint;
+ x_scale = 1.0f;
+ y_scale = 1.0f;
+ }
+
+ return self;
+}
+
+- (NSPoint)origin { return origin; }
+- (void)setOrigin:(NSPoint)o {
+ origin = o;
+}
+
+- (float)scale { return ABS(x_scale); }
+- (void)setScale:(float)s {
+ x_scale = (x_scale < 0.0) ? -s : s;
+ y_scale = (y_scale < 0.0) ? -s : s;
+}
+
+- (BOOL)isFlippedAboutXAxis {
+ return y_scale < 0.0;
+}
+
+- (void)setFlippedAboutXAxis:(BOOL)flip {
+ if (flip != [self isFlippedAboutXAxis]) {
+ y_scale *= -1;
+ }
+}
+
+- (BOOL)isFlippedAboutYAxis {
+ return x_scale < 0.0;
+}
+
+- (void)setFlippedAboutYAxis:(BOOL)flip {
+ if (flip != [self isFlippedAboutYAxis]) {
+ x_scale *= -1;
+ }
+}
+
+- (NSPoint)fromScreen:(NSPoint)p {
+ NSPoint trans;
+ trans.x = (p.x - origin.x) / x_scale;
+ trans.y = (p.y - origin.y) / y_scale;
+ return trans;
+}
+
+- (NSPoint)toScreen:(NSPoint)p {
+ NSPoint trans;
+ trans.x = (p.x * x_scale) + origin.x;
+ trans.y = (p.y * y_scale) + origin.y;
+ return trans;
+}
+
+- (float)scaleFromScreen:(float)dist {
+ return dist / ABS(x_scale);
+}
+
+- (float)scaleToScreen:(float)dist {
+ return dist * ABS(x_scale);
+}
+
+- (NSRect)rectFromScreen:(NSRect)r {
+ NSRect r1;
+ r1.origin = [self fromScreen:r.origin];
+ r1.size.width = [self scaleFromScreen:r.size.width];
+ r1.size.height = [self scaleFromScreen:r.size.height];
+ // if we're flipped, the origin will be at a different corner
+ if ([self isFlippedAboutYAxis]) {
+ r1.origin.x -= r1.size.width;
+ }
+ if ([self isFlippedAboutXAxis]) {
+ r1.origin.y -= r1.size.height;
+ }
+ return r1;
+}
+
+- (NSRect)rectToScreen:(NSRect)r {
+ NSPoint o = r.origin;
+ // if we're flipped, the origin will be at a different corner
+ if ([self isFlippedAboutYAxis]) {
+ o.x = NSMaxX(r);
+ }
+ if ([self isFlippedAboutXAxis]) {
+ o.y = NSMaxY(r);
+ }
+ NSRect r1;
+ r1.origin = [self toScreen:o];
+ r1.size.width = [self scaleToScreen:r.size.width];
+ r1.size.height = [self scaleToScreen:r.size.height];
+ return r1;
+}
+
+- (id)copyWithZone:(NSZone *)zone {
+ Transformer *cp = [[[self class] allocWithZone:zone] init];
+ cp->origin = origin;
+ cp->x_scale = x_scale;
+ cp->y_scale = y_scale;
+ return cp;
+}
+
+- (BOOL)isEqual:(id)object {
+ Transformer *t = (Transformer*)object;
+ return ([t origin].x == [self origin].x &&
+ [t origin].y == [self origin].y &&
+ [t scale] == [self scale]);
+}
+
+Transformer *defaultTransformer = nil;
+
++ (Transformer*)defaultTransformer {
+ if (defaultTransformer == nil) {
+ defaultTransformer = [[Transformer alloc] init];
+ [defaultTransformer setScale:PIXELS_PER_UNIT];
+ }
+ return defaultTransformer;
+}
+
+@end
+
+// vi:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/common/test/color.m b/tikzit/src/common/test/color.m
new file mode 100644
index 0000000..e7a80ba
--- /dev/null
+++ b/tikzit/src/common/test/color.m
@@ -0,0 +1,76 @@
+//
+// color.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import "test/test.h"
+#import "ColorRGB.h"
+
+void testColor() {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ startTestBlock(@"color");
+
+ ColorRGB *red = [ColorRGB colorWithRed:255 green:0 blue:0];
+ ColorRGB *lime = [ColorRGB colorWithRed:0 green:255 blue:0];
+ ColorRGB *green = [ColorRGB colorWithRed:0 green:128 blue:0];
+ TEST(@"Recognised red",
+ [red name] != nil &&
+ [[red name] isEqualToString:@"Red"]);
+ TEST(@"Recognised lime",
+ [lime name] != nil &&
+ [[lime name] isEqualToString:@"Lime"]);
+ TEST(@"Recognised green",
+ [green name] != nil &&
+ [[green name] isEqualToString:@"Green"]);
+
+ ColorRGB *floatRed = [ColorRGB colorWithFloatRed:1.0f green:0.0f blue:0.0f];
+ ColorRGB *floatLime = [ColorRGB colorWithFloatRed:0.0f green:1.0f blue:0.0f];
+ ColorRGB *floatGreen = [ColorRGB colorWithFloatRed:0.0f green:0.5f blue:0.0f];
+
+ TEST(@"Float red equal to int red", [floatRed isEqual:red]);
+ TEST(@"Float lime equal to int lime", [floatLime isEqual:lime]);
+ TEST(@"Float green equal to int green", [floatGreen isEqual:green]);
+
+ TEST(@"Recognised float red",
+ [floatRed name] != nil &&
+ [[floatRed name] isEqualToString:@"Red"]);
+
+ TEST(@"Recognised float lime",
+ [floatLime name] != nil &&
+ [[floatLime name] isEqualToString:@"Lime"]);
+
+ TEST(@"Recognised float green",
+ [floatGreen name] != nil &&
+ [[floatGreen name] isEqualToString:@"Green"]);
+
+ [floatRed setRedFloat:0.99f];
+ TEST(@"Nudged red, not recognised now", [floatRed name] == nil);
+ [floatRed setToClosestHashed];
+ TEST(@"Set to closest hashed, reconised again",
+ [floatRed name] != nil &&
+ [[floatRed name] isEqualToString:@"Red"]);
+
+ TEST(@"Red has correct hex (ff0000)", [[red hexName] isEqualToString:@"hexcolor0xff0000"]);
+ TEST(@"Lime has correct hex (00ff00)", [[lime hexName] isEqualToString:@"hexcolor0x00ff00"]);
+ TEST(@"Green has correct hex (008000)", [[green hexName] isEqualToString:@"hexcolor0x008000"]);
+
+ endTestBlock(@"color");
+ [pool drain];
+} \ No newline at end of file
diff --git a/tikzit/src/common/test/common.m b/tikzit/src/common/test/common.m
new file mode 100644
index 0000000..ee6cb5f
--- /dev/null
+++ b/tikzit/src/common/test/common.m
@@ -0,0 +1,32 @@
+//
+// common.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import "test/test.h"
+void testParser();
+void testColor();
+
+void testCommon() {
+ startTestBlock(@"common");
+ testParser();
+ testColor();
+ endTestBlock(@"common");
+} \ No newline at end of file
diff --git a/tikzit/src/common/test/parser.m b/tikzit/src/common/test/parser.m
new file mode 100644
index 0000000..fc9e76e
--- /dev/null
+++ b/tikzit/src/common/test/parser.m
@@ -0,0 +1,78 @@
+//
+// parser.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import "test/test.h"
+#import "TikzGraphAssembler.h"
+
+void testParser() {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ startTestBlock(@"parser");
+
+ [TikzGraphAssembler setup];
+
+ NodeStyle *rn = [NodeStyle defaultStyleWithName:@"rn"];
+ NSArray *styles = [NSArray arrayWithObject:rn];
+
+ NSString *tikz =
+ @"\\begin{tikzpicture}[dotpic]"
+ @" \\begin{pgfonlayer}{foo}" //ignored
+ @" \\node [style=rn] (0) at (-2,3.4) {stuff{$\\alpha$ in here}};"
+ @" \\node (b) at (1,1) {};"
+ @" \\end{pgfonlayer}" //ignored
+ @" \\draw [bend right=20] (0) to node[tick]{-} (b.center);"
+ @"\\end{tikzpicture}";
+
+ TikzGraphAssembler *ga = [[TikzGraphAssembler alloc] init];
+ TEST(@"Parsing TikZ", [ga parseTikz:tikz]);
+
+ Graph *g = [ga graph];
+ TEST(@"Graph is non-nil", g != nil);
+ TEST(@"Graph has correct number of nodes", [[g nodes] count]==2);
+ TEST(@"Graph has correct number of edges", [[g edges] count]==1);
+
+ NSEnumerator *en = [[g nodes] objectEnumerator];
+ Node *n;
+ Node *n1, *n2;
+ while ((n=[en nextObject])) {
+ [n attachStyleFromTable:styles];
+ if ([n style] == rn) n1 = n;
+ else if ([n style] == nil) n2 = n;
+ }
+
+ TEST(@"Styles attached correctly", n1!=nil && n2!=nil);
+
+ TEST(@"Nodes labeled correctly",
+ [[n1 label] isEqualToString:@"stuff{$\\alpha$ in here}"] &&
+ [[n2 label] isEqualToString:@""]
+ );
+
+ Edge *e1 = [[[g edges] objectEnumerator] nextObject];
+
+ TEST(@"Edge has edge node", [e1 edgeNode]!=nil);
+ TEST(@"Edge node labeled correctly", [[[e1 edgeNode] label] isEqualToString:@"-"]);
+ NSString *sty = [[[[[e1 edgeNode] data] atoms] objectEnumerator] nextObject];
+ TEST(@"Edge node styled correctly", sty!=nil && [sty isEqualToString:@"tick"]);
+
+ endTestBlock(@"parser");
+
+ [pool drain];
+} \ No newline at end of file
diff --git a/tikzit/src/common/test/test.h b/tikzit/src/common/test/test.h
new file mode 100644
index 0000000..4fddc92
--- /dev/null
+++ b/tikzit/src/common/test/test.h
@@ -0,0 +1,41 @@
+//
+// test.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import <Foundation/Foundation.h>
+
+@interface Allocator : NSObject
+{}
+@end
+
+void setColorEnabled(BOOL b);
+void TEST(NSString *msg, BOOL test);
+
+void startTests();
+void endTests();
+
+void startTestBlock(NSString *name);
+void endTestBlock(NSString *name);
+
+#define PUTS(fmt, ...) { \
+ NSString *_str = [[NSString alloc] initWithFormat:fmt, ##__VA_ARGS__]; \
+ printf("%s\n", [_str UTF8String]); \
+ [_str release]; }
diff --git a/tikzit/src/common/test/test.m b/tikzit/src/common/test/test.m
new file mode 100644
index 0000000..5e05c6e
--- /dev/null
+++ b/tikzit/src/common/test/test.m
@@ -0,0 +1,104 @@
+//
+// test.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import "test/test.h"
+
+static int PASSES;
+static int FAILS;
+
+static int ALLOC_INSTANCES = 0;
+
+static BOOL colorEnabled = YES;
+static int depth = 0;
+
+static NSString *RED, *GREEN, *BLUE, *OFF;
+
+static NSString *indents[6] =
+ {@"", @" ", @" ", @" ",
+ @" ", @" "};
+
+#define INDENT ((depth >= 6) ? indents[5] : indents[depth])
+
+
+@implementation Allocator
+
++ (id)alloc {
+ ++ALLOC_INSTANCES;
+ return [super alloc];
+}
+
+- (void)dealloc {
+ --ALLOC_INSTANCES;
+ [super dealloc];
+}
+
++ (Allocator*)allocator {
+ return [[[Allocator alloc] init] autorelease];
+}
+
+@end
+
+void TEST(NSString *msg, BOOL test) {
+ if (test) {
+ PUTS(@"%@[%@PASS%@] %@", INDENT, GREEN, OFF, msg);
+ ++PASSES;
+ } else {
+ PUTS(@"%@[%@FAIL%@] %@", INDENT, RED, OFF, msg);
+ ++FAILS;
+ }
+}
+
+void startTests() {
+ PASSES = 0;
+ FAILS = 0;
+}
+
+void endTests() {
+ PUTS(@"Done testing. %@%d%@ passed, %@%d%@ failed.",
+ GREEN, PASSES, OFF,
+ RED, FAILS, OFF);
+}
+
+void startTestBlock(NSString *name) {
+ PUTS(@"%@Starting %@%@%@ tests.", INDENT, BLUE, name, OFF);
+ ++depth;
+}
+
+void endTestBlock(NSString *name) {
+ --depth;
+ PUTS(@"%@Done with %@%@%@ tests.", INDENT, BLUE, name, OFF);
+}
+
+void setColorEnabled(BOOL b) {
+ colorEnabled = b;
+ if (b) {
+ RED = @"\033[31;1m";
+ GREEN = @"\033[32;1m";
+ BLUE = @"\033[36;1m";
+ OFF = @"\033[0m";
+ } else {
+ RED = @"";
+ GREEN = @"";
+ BLUE = @"";
+ OFF = @"";
+ }
+}
diff --git a/tikzit/src/common/tikzlexer.lm b/tikzit/src/common/tikzlexer.lm
new file mode 100644
index 0000000..4fe39d1
--- /dev/null
+++ b/tikzit/src/common/tikzlexer.lm
@@ -0,0 +1,101 @@
+%option nounput
+%{
+//
+// tikzparser.l
+// TikZiT
+//
+// Copyright 2010 Chris Heunen. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+#ifdef __APPLE__
+#include "y.tab.h"
+#else
+#include "tikzparser.h"
+#endif
+
+
+%}
+%%
+\n /* ignore end of line */;
+[ \t]+ /* ignore whitespace */;
+\\begin return LATEXBEGIN;
+\\end return LATEXEND;
+\{tikzpicture\} return TIKZPICTURE;
+\{pgfonlayer\} return PGFONLAYER;
+\.center return ANCHORCENTER;
+\( return LEFTPARENTHESIS;
+\) return RIGHTPARENTHESIS;
+\[ return LEFTBRACKET;
+\] return RIGHTBRACKET;
+; return SEMICOLON;
+, return COMMA;
+= return EQUALS;
+\\draw return DRAW;
+to return TO;
+\\node return NODE;
+\\path return PATH;
+node return ALTNODE;
+rectangle return RECTANGLE;
+at return AT;
+
+[0-9]+ {
+ yylval.nsstr=[NSString stringWithUTF8String:yytext];
+ return NATURALNUMBER;
+}
+
+(\-?[0-9]*\.[0-9]+)|(\-?[0-9]+) {
+ yylval.nsstr=[NSString stringWithUTF8String:yytext];
+ return REALNUMBER;
+}
+
+\\?[a-zA-Z<>\-\']+ { //'
+ yylval.nsstr=[NSString stringWithUTF8String:yytext];
+ return LWORD;
+}
+
+
+\"[^\"]*\" /* " */ {
+ yylval.nsstr=[NSString stringWithUTF8String:yytext];
+ return QUOTEDSTRING;
+}
+
+\{ {
+ NSMutableString *buf = [NSMutableString stringWithString:@"{"];
+ unsigned int brace_depth = 1;
+ while (1) {
+ char c = input();
+ // eof reached before closing brace
+ if (c == '\0' || c == EOF) yyterminate();
+
+ [buf appendFormat:@"%c", c];
+ if (c == '{') brace_depth++;
+ else if (c == '}') {
+ brace_depth--;
+ if (brace_depth == 0) break;
+ }
+ }
+
+ NSString *s = [buf copy];
+ [s autorelease];
+ yylval.nsstr = s;
+ return DELIMITEDSTRING;
+}
+
+%%
diff --git a/tikzit/src/common/tikzparser.ym b/tikzit/src/common/tikzparser.ym
new file mode 100644
index 0000000..e55a881
--- /dev/null
+++ b/tikzit/src/common/tikzparser.ym
@@ -0,0 +1,178 @@
+%expect 6
+
+%{
+//
+// tikzparser.y
+// TikZiT
+//
+// Copyright 2010 Chris Heunen. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#include <stdio.h>
+#include <string.h>
+#import <Foundation/Foundation.h>
+#import "TikzGraphAssembler.h"
+#import "GraphElementProperty.h"
+
+extern int yylex(void);
+extern void yyerror(const char *str);
+
+%}
+
+%union {
+ NSPoint pt;
+ NSString *nsstr;
+};
+
+%token LATEXBEGIN
+%token LATEXEND
+%token TIKZPICTURE
+%token PGFONLAYER
+%token ANCHORCENTER
+%token LEFTPARENTHESIS
+%token RIGHTPARENTHESIS
+%token LEFTBRACKET
+%token RIGHTBRACKET
+%token SEMICOLON
+%token COMMA
+%token EQUALS
+%token DRAW
+%token TO
+%token NODE
+%token RECTANGLE
+%token PATH
+%token ALTNODE
+%token AT
+%token REALNUMBER
+%token NATURALNUMBER
+%token LWORD
+%token QUOTEDSTRING
+%token DELIMITEDSTRING
+
+%type<nsstr> nodename
+%type<nsstr> nodeid
+%type<pt> coords
+%type<nsstr> target
+%type<nsstr> propsym
+%type<nsstr> propsyms
+%type<nsstr> val
+%type<nsstr> number
+
+%%
+
+tikzpicture: LATEXBEGIN TIKZPICTURE optproperties expressions LATEXEND TIKZPICTURE;
+expressions: expressions expression | ;
+expression: node | edge | boundingbox | ignore;
+
+ignore: LATEXBEGIN PGFONLAYER DELIMITEDSTRING | LATEXEND PGFONLAYER;
+
+number: REALNUMBER { $$ = $<nsstr>1; } | NATURALNUMBER { $$ = $<nsstr>1; };
+
+optproperties: LEFTBRACKET properties RIGHTBRACKET | ;
+properties: property extraproperties;
+extraproperties: COMMA property extraproperties | property extraproperties | ;
+
+property:
+ propsyms EQUALS val
+ {
+ TikzGraphAssembler *a = [TikzGraphAssembler currentAssembler];
+ GraphElementProperty *p = [[GraphElementProperty alloc] initWithPropertyValue:$<nsstr>3 forKey:$<nsstr>1];
+ [[a data] addObject:p];
+ [p release];
+ }
+ | propsyms
+ {
+ TikzGraphAssembler *a = [TikzGraphAssembler currentAssembler];
+ GraphElementProperty *p = [[GraphElementProperty alloc] initWithAtomName:$<nsstr>1];
+ [[a data] addObject:p];
+ [p release];
+ };
+
+val: propsyms { $$ = $<nsstr>1; } | QUOTEDSTRING { $$ = $<nsstr>1; };
+propsyms:
+ propsym { $$ = $<nsstr>1; }
+ | propsyms propsym
+ {
+ NSString *s = [$<nsstr>1 stringByAppendingFormat:@" %@", $<nsstr>2];
+ $$ = s;
+ };
+
+propsym:
+ LWORD { $$ = $<nsstr>1; }
+ | number { $$ = $<nsstr>1; };
+
+
+nodecmd : NODE { [[TikzGraphAssembler currentAssembler] prepareNode]; };
+
+node:
+ nodecmd optproperties nodename AT coords nodelabel SEMICOLON
+ {
+ TikzGraphAssembler *a = [TikzGraphAssembler currentAssembler];
+ [[a currentNode] setName:$<nsstr>3];
+ [[a currentNode] setPoint:$<pt>5];
+ [a finishNode];
+ };
+
+nodelabel:
+ DELIMITEDSTRING
+ {
+ Node *n = [[TikzGraphAssembler currentAssembler] currentNode];
+ NSString *label = $<nsstr>1;
+ [n setLabel:[label substringWithRange:NSMakeRange(1, [label length]-2)]];
+ }
+
+optanchor: | ANCHORCENTER;
+nodename: LEFTPARENTHESIS nodeid optanchor RIGHTPARENTHESIS { $$ = $<nsstr>2; };
+nodeid: LWORD { $$ = $<nsstr>1; } | NATURALNUMBER { $$ = $<nsstr>1; };
+
+coords:
+ LEFTPARENTHESIS number COMMA number RIGHTPARENTHESIS
+ {
+ $$ = NSMakePoint([$<nsstr>2 floatValue], [$<nsstr>4 floatValue]);
+ };
+
+edgecmd : DRAW { [[TikzGraphAssembler currentAssembler] prepareEdge]; };
+edge:
+ edgecmd optproperties nodename TO optedgenode target SEMICOLON
+ {
+ TikzGraphAssembler *a = [TikzGraphAssembler currentAssembler];
+ [a setEdgeSource:$<nsstr>3
+ target:$<nsstr>6];
+ [a finishEdge];
+ };
+target: nodename { $$=$<nsstr>1; } | selfloop { $$=@""; };
+selfloop: LEFTPARENTHESIS RIGHTPARENTHESIS;
+
+altnodecmd: ALTNODE { [[TikzGraphAssembler currentAssembler] prepareNode]; };
+optedgenode:
+ | altnodecmd optproperties nodelabel
+ {
+ [[TikzGraphAssembler currentAssembler] finishNode];
+ }
+
+bbox_ignoreprops:
+ | LEFTBRACKET LWORD LWORD LWORD LWORD RIGHTBRACKET;
+
+boundingbox:
+ PATH bbox_ignoreprops coords RECTANGLE coords SEMICOLON
+ {
+ Graph *g = [[TikzGraphAssembler currentAssembler] graph];
+ [g setBoundingBox:NSRectAroundPoints($<pt>3, $<pt>5)];
+ };
+
+%%
diff --git a/tikzit/src/common/util.h b/tikzit/src/common/util.h
new file mode 100644
index 0000000..74871dc
--- /dev/null
+++ b/tikzit/src/common/util.h
@@ -0,0 +1,113 @@
+//
+// util.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+
+#import <Foundation/Foundation.h>
+
+#include <math.h>
+
+#ifndef M_PI
+#define M_PI 3.141592654
+#endif
+
+/*!
+ @brief Compute a bounding rectangle for two given points.
+ @param p1 a point.
+ @param p2 another point.
+ @result A bounding rectangle for p1 and p2.
+ */
+NSRect NSRectAroundPoints(NSPoint p1, NSPoint p2);
+
+/*!
+ @brief Compute a bounding rectangle for two given points with a given padding.
+ @param p1 a point.
+ @param p2 another point.
+ @param padding a padding.
+ @result A bounding rectangle for p1 and p2 with padding.
+ */
+NSRect NSRectAroundPointsWithPadding(NSPoint p1, NSPoint p2, float padding);
+
+/*!
+ @brief Compute a bounding rectangle for four given points.
+ @result A bounding rectangle for p1, p2, p3 and p4.
+ */
+NSRect NSRectAround4Points(NSPoint p1, NSPoint p2, NSPoint p3, NSPoint p4);
+
+/*!
+ @brief Compute a bounding rectangle for four given points.
+ @param padding the amount to pad the rectangle
+ @result A bounding rectangle for p1, p2, p3 and p4 with padding
+ */
+NSRect NSRectAround4PointsWithPadding(NSPoint p1, NSPoint p2, NSPoint p3, NSPoint p4, float padding);
+
+/*!
+ @brief Find the distance between two points
+ @param p1 The first point
+ @param p2 The second point
+ @result The distance between p1 and p2
+ */
+float NSDistanceBetweenPoints(NSPoint p1, NSPoint p2);
+
+/*!
+ @brief Compute the 'real' arctan for two points. Always succeeds and gives a good angle,
+ regardless of sign, zeroes, etc.
+ @param dx the x distance between points.
+ @param dy the y distance between points.
+ @result An angle in radians.
+ */
+float good_atan(float dx, float dy);
+
+/*!
+ @brief Interpolate along a bezier curve to the given distance. To find the x coord,
+ use the relavant x coordinates for c0-c3, and for y use the y's.
+ @param dist a distance from 0 to 1 spanning the whole curve.
+ @param c0 the x (resp. y) coordinate of the start point.
+ @param c1 the x (resp. y) coordinate of the first control point.
+ @param c2 the x (resp. y) coordinate of the second control point.
+ @param c3 the x (resp. y) coordinate of the end point.
+ @result The x (resp. y) coordinate of the point at 'dist'.
+ */
+float bezierInterpolate(float dist, float c0, float c1, float c2, float c3);
+
+
+/*!
+ @brief Round val to nearest stepSize
+ @param stepSize the courseness
+ @param val a value to round
+ */
+float roundToNearest(float stepSize, float val);
+
+/*!
+ @brief Convert radians into degrees
+ */
+float radiansToDegrees(float radians);
+
+/*!
+ @brief Normalises an angle (in degrees) to fall between -359 and 359
+ */
+int normaliseAngleDeg (int degrees);
+
+/*!
+ @brief Express a byte as alpha-only hex, with digits (0..16) -> (a..jA..F)
+ @param sh A number 0-255
+ @result A string 'aa'-'FF'
+ */
+NSString *alphaHex(unsigned short sh);
+
+// vi:ft=objc:noet:ts=4:sts=4:sw=4
diff --git a/tikzit/src/common/util.m b/tikzit/src/common/util.m
new file mode 100644
index 0000000..feef76c
--- /dev/null
+++ b/tikzit/src/common/util.m
@@ -0,0 +1,113 @@
+//
+// util.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+
+#import "util.h"
+#import "math.h"
+
+NSRect NSRectAroundPointsWithPadding(NSPoint p1, NSPoint p2, float padding) {
+ return NSMakeRect(MIN(p1.x,p2.x)-padding,
+ MIN(p1.y,p2.y)-padding,
+ ABS(p2.x-p1.x)+(2.0f*padding),
+ ABS(p2.y-p1.y)+(2.0f*padding));
+}
+
+NSRect NSRectAroundPoints(NSPoint p1, NSPoint p2) {
+ return NSRectAroundPointsWithPadding(p1, p2, 0.0f);
+}
+
+NSRect NSRectAround4PointsWithPadding(NSPoint p1, NSPoint p2, NSPoint p3, NSPoint p4, float padding) {
+ float leftMost = MIN(p1.x, p2.x);
+ leftMost = MIN(leftMost, p3.x);
+ leftMost = MIN(leftMost, p4.x);
+ float rightMost = MAX(p1.x, p2.x);
+ rightMost = MAX(rightMost, p3.x);
+ rightMost = MAX(rightMost, p4.x);
+ float topMost = MIN(p1.y, p2.y);
+ topMost = MIN(topMost, p3.y);
+ topMost = MIN(topMost, p4.y);
+ float bottomMost = MAX(p1.y, p2.y);
+ bottomMost = MAX(bottomMost, p3.y);
+ bottomMost = MAX(bottomMost, p4.y);
+ return NSMakeRect(leftMost-padding,
+ topMost-padding,
+ (rightMost - leftMost)+(2.0f*padding),
+ (bottomMost - topMost)+(2.0f*padding));
+}
+
+NSRect NSRectAround4Points(NSPoint p1, NSPoint p2, NSPoint p3, NSPoint p4) {
+ return NSRectAround4PointsWithPadding(p1, p2, p3, p4, 0.0f);
+}
+
+float NSDistanceBetweenPoints(NSPoint p1, NSPoint p2) {
+ float dx = p2.x - p1.x;
+ float dy = p2.y - p1.y;
+ return sqrt(dx * dx + dy * dy);
+}
+
+float good_atan(float dx, float dy) {
+ if (dx > 0) {
+ return atan(dy/dx);
+ } else if (dx < 0) {
+ return M_PI + atan(dy/dx);
+ } else {
+ if (dy > 0) return 0.5 * M_PI;
+ else if (dy < 0) return 1.5 * M_PI;
+ else return 0;
+ }
+}
+
+// interpolate on a cubic bezier curve
+float bezierInterpolate(float dist, float c0, float c1, float c2, float c3) {
+ float distp = 1 - dist;
+ return (distp*distp*distp) * c0 +
+ 3 * (distp*distp) * dist * c1 +
+ 3 * (dist*dist) * distp * c2 +
+ (dist*dist*dist) * c3;
+}
+
+float roundToNearest(float stepSize, float val) {
+ if (stepSize==0.0f) return val;
+ else return round(val/stepSize)*stepSize;
+}
+
+float radiansToDegrees (float radians) {
+ return (radians * 180.0f) / M_PI;
+}
+
+int normaliseAngleDeg (int degrees) {
+ while (degrees >= 360) {
+ degrees -= 360;
+ }
+ while (degrees <= -360) {
+ degrees += 360;
+ }
+ return degrees;
+}
+
+static char ahex[] =
+{'a','b','c','d','e','f','g','h','i','j',
+ 'A','B','C','D','E','F'};
+
+NSString *alphaHex(unsigned short sh) {
+ if (sh > 255) return @"!!";
+ return [NSString stringWithFormat:@"%c%c", ahex[sh/16], ahex[sh%16]];
+}
+
+
diff --git a/tikzit/src/linux/CairoRenderContext.h b/tikzit/src/linux/CairoRenderContext.h
new file mode 100644
index 0000000..ac9c5ee
--- /dev/null
+++ b/tikzit/src/linux/CairoRenderContext.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "RenderContext.h"
+#import "Transformer.h"
+#import <cairo/cairo.h>
+#import <pango/pango.h>
+#import <gtk/gtk.h>
+
+@interface PangoTextLayout: NSObject<TextLayout> {
+ PangoLayout *layout;
+ cairo_t *context;
+}
+
++ (PangoTextLayout*) layoutForContext:(cairo_t*)cr withFontSize:(CGFloat)fontSize;
+- (id) initWithContext:(cairo_t*)cr fontSize:(CGFloat)fontSize;
+- (void) setText:(NSString*)text;
+
+@end
+
+@interface CairoRenderContext: NSObject<RenderContext> {
+ cairo_t *context;
+}
+
++ (CairoRenderContext*) contextForSurface:(cairo_surface_t*)surface;
+- (id) initForSurface:(cairo_surface_t*)surface;
+
++ (CairoRenderContext*) contextForWidget:(GtkWidget*)widget;
+- (id) initForWidget:(GtkWidget*)widget;
+
++ (CairoRenderContext*) contextForDrawable:(GdkDrawable*)d;
+- (id) initForDrawable:(GdkDrawable*)d;
+
++ (CairoRenderContext*) contextForPixbuf:(GdkPixbuf*)buf;
+- (id) initForPixbuf:(GdkPixbuf*)buf;
+
+- (cairo_t*) cairoContext;
+- (void) applyTransform:(Transformer*)transformer;
+
+- (void) clearSurface;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/CairoRenderContext.m b/tikzit/src/linux/CairoRenderContext.m
new file mode 100644
index 0000000..bed06a6
--- /dev/null
+++ b/tikzit/src/linux/CairoRenderContext.m
@@ -0,0 +1,346 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "CairoRenderContext.h"
+
+#import "cairo_helpers.h"
+#import "util.h"
+
+#import <pango/pangocairo.h>
+
+@implementation PangoTextLayout
+
+- (id) init {
+ [self release];
+ self = nil;
+ return nil;
+}
+
++ (PangoTextLayout*) layoutForContext:(cairo_t*)cr withFontSize:(CGFloat)fontSize {
+ return [[[self alloc] initWithContext:cr fontSize:fontSize] autorelease];
+}
+
+- (id) initWithContext:(cairo_t*)cr fontSize:(CGFloat)fontSize {
+ self = [super init];
+
+ if (self) {
+ cairo_reference (cr);
+ context = cr;
+ layout = pango_cairo_create_layout (cr);
+
+ PangoFontDescription *font_desc = pango_font_description_new ();
+ pango_font_description_set_family_static (font_desc, "Sans");
+ pango_font_description_set_size (font_desc, pango_units_from_double (fontSize));
+ pango_layout_set_font_description (layout, font_desc);
+ pango_font_description_free (font_desc);
+ }
+
+ return self;
+}
+
+- (void) setText:(NSString*)text {
+ pango_layout_set_text (layout, [text UTF8String], -1);
+}
+
+- (NSSize) size {
+ int width, height;
+ pango_layout_get_size (layout, &width, &height);
+ return NSMakeSize (pango_units_to_double (width), pango_units_to_double (height));
+}
+
+- (NSString*) text {
+ return [NSString stringWithUTF8String:pango_layout_get_text (layout)];
+}
+
+- (void) showTextAt:(NSPoint)topLeft withColor:(RColor)color {
+ cairo_save (context);
+
+ cairo_move_to(context, topLeft.x, topLeft.y);
+ cairo_set_source_rcolor (context, color);
+ pango_cairo_show_layout (context, layout);
+
+ cairo_restore (context);
+}
+
+- (void) dealloc {
+ if (layout)
+ g_object_unref (G_OBJECT (layout));
+ if (context)
+ cairo_destroy (context);
+
+ [super dealloc];
+}
+
+@end
+
+@implementation CairoRenderContext
+
+- (id) init {
+ [self release];
+ self = nil;
+ return nil;
+}
+
++ (CairoRenderContext*) contextForSurface:(cairo_surface_t*)surface {
+ return [[[self alloc] initForSurface:surface] autorelease];
+}
+
+- (id) initForSurface:(cairo_surface_t*)surface {
+ self = [super init];
+
+ if (self) {
+ context = cairo_create (surface);
+ }
+
+ return self;
+}
+
++ (CairoRenderContext*) contextForWidget:(GtkWidget*)widget {
+ return [[[self alloc] initForWidget:widget] autorelease];
+}
+
+- (id) initForWidget:(GtkWidget*)widget {
+ self = [super init];
+
+ if (self) {
+ GdkWindow *window = gtk_widget_get_window (widget);
+ if (window) {
+ context = gdk_cairo_create (window);
+ } else {
+ [self release];
+ self = nil;
+ }
+ }
+
+ return self;
+}
+
++ (CairoRenderContext*) contextForDrawable:(GdkDrawable*)d {
+ return [[[self alloc] initForDrawable:d] autorelease];
+}
+
+- (id) initForDrawable:(GdkDrawable*)d {
+ self = [super init];
+
+ if (self) {
+ context = gdk_cairo_create (d);
+ }
+
+ return self;
+}
+
++ (CairoRenderContext*) contextForPixbuf:(GdkPixbuf*)pixbuf {
+ return [[[self alloc] initForPixbuf:pixbuf] autorelease];
+}
+
+- (id) initForPixbuf:(GdkPixbuf*)pixbuf {
+ self = [super init];
+
+ if (self) {
+ cairo_format_t format = -1;
+
+ if (gdk_pixbuf_get_colorspace (pixbuf) != GDK_COLORSPACE_RGB) {
+ NSLog(@"Unsupported colorspace (must be RGB)");
+ [self release];
+ return nil;
+ }
+ if (gdk_pixbuf_get_bits_per_sample (pixbuf) != 8) {
+ NSLog(@"Unsupported bits per sample (must be 8)");
+ [self release];
+ return nil;
+ }
+ if (gdk_pixbuf_get_has_alpha (pixbuf)) {
+ if (gdk_pixbuf_get_n_channels (pixbuf) != 4) {
+ NSLog(@"Unsupported bits per sample (must be 4 for an image with alpha)");
+ [self release];
+ return nil;
+ }
+ format = CAIRO_FORMAT_ARGB32;
+ } else {
+ if (gdk_pixbuf_get_n_channels (pixbuf) != 3) {
+ NSLog(@"Unsupported bits per sample (must be 3 for an image without alpha)");
+ [self release];
+ return nil;
+ }
+ format = CAIRO_FORMAT_RGB24;
+ }
+
+ cairo_surface_t *surface = cairo_image_surface_create_for_data(
+ gdk_pixbuf_get_pixels(pixbuf),
+ format,
+ gdk_pixbuf_get_width(pixbuf),
+ gdk_pixbuf_get_height(pixbuf),
+ gdk_pixbuf_get_rowstride(pixbuf));
+ context = cairo_create (surface);
+ cairo_surface_destroy (surface);
+ }
+
+ return self;
+}
+
+- (cairo_t*) cairoContext {
+ return context;
+}
+
+- (void) applyTransform:(Transformer*)transformer {
+ NSPoint origin = [transformer toScreen:NSZeroPoint];
+ cairo_translate (context, origin.x, origin.y);
+ NSPoint scale = [transformer toScreen:NSMakePoint (1.0f, 1.0f)];
+ scale.x -= origin.x;
+ scale.y -= origin.y;
+ cairo_scale (context, scale.x, scale.y);
+}
+
+- (void) saveState {
+ cairo_save (context);
+}
+
+- (void) restoreState {
+ cairo_restore (context);
+}
+
+- (NSRect) clipBoundingBox {
+ double clipx1, clipx2, clipy1, clipy2;
+ cairo_clip_extents (context, &clipx1, &clipy1, &clipx2, &clipy2);
+ return NSMakeRect (clipx1, clipy1, clipx2-clipx1, clipy2-clipy1);
+}
+
+- (BOOL) strokeIncludesPoint:(NSPoint)p {
+ return cairo_in_stroke (context, p.x, p.y);
+}
+
+- (BOOL) fillIncludesPoint:(NSPoint)p {
+ return cairo_in_fill (context, p.x, p.y);
+}
+
+- (id<TextLayout>) layoutText:(NSString*)text withSize:(CGFloat)fontSize {
+ PangoTextLayout *layout = [PangoTextLayout layoutForContext:context withFontSize:fontSize];
+ [layout setText:text];
+ return layout;
+}
+
+- (void) setAntialiasMode:(AntialiasMode)mode {
+ if (mode == AntialiasDisabled) {
+ cairo_set_antialias (context, CAIRO_ANTIALIAS_NONE);
+ } else {
+ cairo_set_antialias (context, CAIRO_ANTIALIAS_DEFAULT);
+ }
+}
+
+- (void) setLineWidth:(CGFloat)width {
+ cairo_set_line_width (context, width);
+}
+
+- (void) setLineDash:(CGFloat)dashLength {
+ if (dashLength <= 0.0) {
+ cairo_set_dash (context, NULL, 0, 0);
+ } else {
+ double dashes[] = { dashLength };
+ cairo_set_dash (context, dashes, 1, 0);
+ }
+}
+
+// paths
+- (void) startPath {
+ cairo_new_path (context);
+}
+
+- (void) closeSubPath {
+ cairo_close_path (context);
+}
+
+- (void) moveTo:(NSPoint)p {
+ cairo_move_to(context, p.x, p.y);
+}
+
+- (void) curveTo:(NSPoint)end withCp1:(NSPoint)cp1 andCp2:(NSPoint)cp2 {
+ cairo_curve_to (context, cp1.x, cp1.y, cp2.x, cp2.y, end.x, end.y);
+}
+
+- (void) lineTo:(NSPoint)end {
+ cairo_line_to (context, end.x, end.y);
+}
+
+- (void) rect:(NSRect)rect {
+ cairo_rectangle (context, rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
+}
+
+- (void) circleAt:(NSPoint)c withRadius:(CGFloat)r {
+ cairo_new_sub_path (context);
+ cairo_arc (context, c.x, c.y, r, 0, 2 * M_PI);
+}
+
+- (void) strokePathWithColor:(RColor)color {
+ cairo_set_source_rcolor (context, color);
+ cairo_stroke (context);
+}
+
+- (void) fillPathWithColor:(RColor)color {
+ cairo_set_source_rcolor (context, color);
+ cairo_fill (context);
+}
+
+- (void) strokePathWithColor:(RColor)scolor
+ andFillWithColor:(RColor)fcolor {
+ cairo_set_source_rcolor (context, fcolor);
+ cairo_fill_preserve (context);
+ cairo_set_source_rcolor (context, scolor);
+ cairo_stroke (context);
+}
+
+- (void) strokePathWithColor:(RColor)scolor
+ andFillWithColor:(RColor)fcolor
+ usingAlpha:(CGFloat)alpha {
+ cairo_push_group (context);
+ cairo_set_source_rcolor (context, fcolor);
+ cairo_fill_preserve (context);
+ cairo_set_source_rcolor (context, scolor);
+ cairo_stroke (context);
+ cairo_pop_group_to_source (context);
+ cairo_paint_with_alpha (context, alpha);
+}
+
+- (void) clipToPath {
+ cairo_clip (context);
+}
+
+- (void) paintWithColor:(RColor)color {
+ cairo_set_source_rcolor (context, color);
+ cairo_paint (context);
+}
+
+- (void) clearSurface {
+ cairo_operator_t old_op = cairo_get_operator (context);
+
+ cairo_set_operator (context, CAIRO_OPERATOR_SOURCE);
+ cairo_set_source_rgba (context, 0.0, 0.0, 0.0, 0.0);
+ cairo_paint (context);
+
+ cairo_set_operator (context, old_op);
+}
+
+- (void) dealloc {
+ if (context) {
+ cairo_destroy (context);
+ }
+
+ [super dealloc];
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/ColorRGB+Gtk.h b/tikzit/src/linux/ColorRGB+Gtk.h
new file mode 100644
index 0000000..5cfb4d7
--- /dev/null
+++ b/tikzit/src/linux/ColorRGB+Gtk.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "ColorRGB.h"
+#import <gdk/gdk.h>
+
+@interface ColorRGB (Gtk)
+
++ (ColorRGB*) colorWithGdkColor:(GdkColor)color;
+- (id) initWithGdkColor:(GdkColor)color;
+- (GdkColor) gdkColor;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/ColorRGB+Gtk.m b/tikzit/src/linux/ColorRGB+Gtk.m
new file mode 100644
index 0000000..be5dd56
--- /dev/null
+++ b/tikzit/src/linux/ColorRGB+Gtk.m
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ * Copyright 2010 Chris Heunen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "ColorRGB+Gtk.h"
+
+// 257 = 65535/255
+// GdkColor values run from 0 to 65535, not from 0 to 255
+#define GDK_FACTOR 257
+
+@implementation ColorRGB (Gtk)
+
++ (ColorRGB*) colorWithGdkColor:(GdkColor)color {
+ return [ColorRGB colorWithRed:color.red/GDK_FACTOR green:color.green/GDK_FACTOR blue:color.blue/GDK_FACTOR];
+}
+
+- (id) initWithGdkColor:(GdkColor)color {
+ return [self initWithRed:color.red/GDK_FACTOR green:color.green/GDK_FACTOR blue:color.blue/GDK_FACTOR];
+}
+
+- (GdkColor) gdkColor {
+ GdkColor color;
+ color.pixel = 0;
+ color.red = GDK_FACTOR * [self red];
+ color.green = GDK_FACTOR * [self green];
+ color.blue = GDK_FACTOR * [self blue];
+ return color;
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/ColorRGB+IntegerListStorage.h b/tikzit/src/linux/ColorRGB+IntegerListStorage.h
new file mode 100644
index 0000000..118eaee
--- /dev/null
+++ b/tikzit/src/linux/ColorRGB+IntegerListStorage.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "ColorRGB.h"
+
+/**
+ * Stores a ColorRGB as a list of short integers
+ */
+@interface ColorRGB (IntegerListStorage)
+
++ (ColorRGB*) colorFromValueList:(NSArray*)values;
+- (id) initFromValueList:(NSArray*)values;
+- (NSArray*) valueList;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/ColorRGB+IntegerListStorage.m b/tikzit/src/linux/ColorRGB+IntegerListStorage.m
new file mode 100644
index 0000000..0103a3c
--- /dev/null
+++ b/tikzit/src/linux/ColorRGB+IntegerListStorage.m
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ * Copyright 2010 Chris Heunen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "ColorRGB+IntegerListStorage.h"
+
+@implementation ColorRGB (IntegerListStorage)
+
++ (ColorRGB*) colorFromValueList:(NSArray*)values {
+ if ([values count] != 3) {
+ return nil;
+ }
+
+ unsigned short redValue = [[values objectAtIndex:0] intValue];
+ unsigned short greenValue = [[values objectAtIndex:1] intValue];
+ unsigned short blueValue = [[values objectAtIndex:2] intValue];
+ return [ColorRGB colorWithRed:redValue green:greenValue blue:blueValue];
+}
+
+- (id) initFromValueList:(NSArray*)values {
+ if ([values count] != 3) {
+ [self release];
+ return nil;
+ }
+
+ unsigned short redValue = [[values objectAtIndex:0] intValue];
+ unsigned short greenValue = [[values objectAtIndex:1] intValue];
+ unsigned short blueValue = [[values objectAtIndex:2] intValue];
+
+ return [self initWithRed:redValue green:greenValue blue:blueValue];
+}
+
+- (NSArray*) valueList {
+ NSMutableArray *array = [NSMutableArray arrayWithCapacity:3];
+ [array addObject:[NSNumber numberWithInt:[self red]]];
+ [array addObject:[NSNumber numberWithInt:[self green]]];
+ [array addObject:[NSNumber numberWithInt:[self blue]]];
+ return array;
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/Configuration.h b/tikzit/src/linux/Configuration.h
new file mode 100644
index 0000000..93a74fa
--- /dev/null
+++ b/tikzit/src/linux/Configuration.h
@@ -0,0 +1,447 @@
+//
+// MainWindow.h
+// TikZiT
+//
+// Copyright 2010 Alex Merry
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "TZFoundation.h"
+
+/**
+ * Manages configuration information in a grouped key-value format.
+ */
+@interface Configuration : NSObject {
+ NSString *name;
+ GKeyFile *file;
+}
+
+/**
+ * Check whether there is any existing configuration.
+ */
++ (BOOL) configurationExistsWithName:(NSString*)name;
+/**
+ * Create a blank configuration with the given name, without loading
+ * any existing configuration information.
+ *
+ * @param name the name of the configuration
+ */
++ (Configuration*) emptyConfigurationWithName:(NSString*)name;
+/**
+ * Load an existing configuration for the given name.
+ *
+ * If there was no existing configuration, or it could not be opened,
+ * an empty configuration will be returned.
+ *
+ * @param name the name of the configuration
+ */
++ (Configuration*) configurationWithName:(NSString*)name;
+/**
+ * Load an existing configuration for the given name.
+ *
+ * If there was no existing configuration, or it could not be opened,
+ * an empty configuration will be returned.
+ *
+ * @param name the name of the configuration
+ * @param error this will be set if the configuration exists, but could
+ * not be opened.
+ */
++ (Configuration*) configurationWithName:(NSString*)name loadError:(NSError**)error;
+
+/**
+ * Initialise the configuration to be empty
+ *
+ * Does not attempt to load any existing configuration data.
+ *
+ * @param name the name of the configuration
+ */
+- (id) initEmptyWithName:(NSString*)name;
+/**
+ * Initialise a configuration, loading it if it had previously been stored.
+ *
+ * If there was no existing configuration, or it could not be opened,
+ * an empty configuration will be returned.
+ *
+ * @param name the name of the configuration
+ */
+- (id) initWithName:(NSString*)name;
+/**
+ * Initialise a configuration, loading it if it had previously been stored.
+ *
+ * If there was no existing configuration, or it could not be opened,
+ * an empty configuration will be returned.
+ *
+ * @param name the name of the configuration
+ * @param error this will be set if the configuration exists, but could
+ * not be opened.
+ */
+- (id) initWithName:(NSString*)name loadError:(NSError**)error;
+
+/**
+ * The name of the configuration.
+ *
+ * Configurations with different names are stored independently.
+ */
+- (NSString*) name;
+/**
+ * Set the name of the configuration.
+ *
+ * This will affect the behaviour of [-writeToStore]
+ *
+ * Configurations with different names are stored independently.
+ */
+- (void) setName:(NSString*)name;
+
+/**
+ * Writes the configuration to the backing store.
+ *
+ * The location the configuration is written to is determined by the
+ * [-name] property.
+ *
+ * @result YES if the configuration was successfully written, NO otherwise
+ */
+- (BOOL) writeToStore;
+/**
+ * Writes the configuration to the backing store.
+ *
+ * The location the configuration is written to is determined by the
+ * [-name] property.
+ *
+ * @param error this will be set if the configuration could not be written
+ * to the backing store
+ * @result YES if the configuration was successfully written, NO otherwise
+ */
+- (BOOL) writeToStoreWithError:(NSError**)error;
+
+/**
+ * Check whether a particular key exists within a group
+ *
+ * @param key the key to check for
+ * @param group the name of the group to look in
+ * @result YES if the key exists, NO otherwise
+ */
+- (BOOL) hasKey:(NSString*)key inGroup:(NSString*)group;
+/**
+ * Check whether a particular group exists
+ *
+ * @param group the name of the group to check for
+ * @result YES if the group exists, NO otherwise
+ */
+- (BOOL) hasGroup:(NSString*)group;
+/**
+ * List the groups in the configuration.
+ *
+ * @result a list of group names
+ */
+- (NSArray*) groups;
+
+/**
+ * Get the value associated with a key as a string
+ *
+ * This is only guaranteed to work if the value was stored as a string.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @result the value associated with key as a string, or nil
+ * if no string value was associated with key
+ */
+- (NSString*) stringEntry:(NSString*)key inGroup:(NSString*)group;
+/**
+ * Get the value associated with a key as a string
+ *
+ * This is only guaranteed to work if the value was stored as a string.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @param def the value to return if no string value was associated with key
+ * @result the value associated with key as a string, or default
+ */
+- (NSString*) stringEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSString*)def;
+/**
+ * Get the value associated with a key as a boolean
+ *
+ * This is only guaranteed to work if the value was stored as a boolean.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @result the value associated with key as a boolean, or NO
+ * if no boolean value was associated with key
+ */
+- (BOOL) booleanEntry:(NSString*)key inGroup:(NSString*)group;
+/**
+ * Get the value associated with a key as a boolean
+ *
+ * This is only guaranteed to work if the value was stored as a boolean.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @param def the value to return if no boolean value was associated with key
+ * @result the value associated with key as a boolean, or def
+ */
+- (BOOL) booleanEntry:(NSString*)key inGroup:(NSString*)group withDefault:(BOOL)def;
+/**
+ * Get the value associated with a key as a integer
+ *
+ * This is only guaranteed to work if the value was stored as a integer.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @result the value associated with key as a integer, or 0
+ * if no integer value was associated with key
+ */
+- (int) integerEntry:(NSString*)key inGroup:(NSString*)group;
+/**
+ * Get the value associated with a key as a integer
+ *
+ * This is only guaranteed to work if the value was stored as a integer.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @param def the value to return if no integer value was associated with key
+ * @result the value associated with key as a integer, or def
+ */
+- (int) integerEntry:(NSString*)key inGroup:(NSString*)group withDefault:(int)def;
+/**
+ * Get the value associated with a key as a double
+ *
+ * This is only guaranteed to work if the value was stored as a double.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @result the value associated with key as a double, or 0
+ * if no double value was associated with key
+ */
+- (double) doubleEntry:(NSString*)key inGroup:(NSString*)group;
+/**
+ * Get the value associated with a key as a double
+ *
+ * This is only guaranteed to work if the value was stored as a double.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @param def the value to return if no double value was associated with key
+ * @result the value associated with key as a double, or def
+ */
+- (double) doubleEntry:(NSString*)key inGroup:(NSString*)group withDefault:(double)def;
+
+/**
+ * Get the value associated with a key as a list of strings
+ *
+ * This is only guaranteed to work if the value was stored as a
+ * list of strings.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @result the value associated with key as a list of strings,
+ * or nil if no list of strings was associated with key
+ */
+- (NSArray*) stringListEntry:(NSString*)key inGroup:(NSString*)group;
+/**
+ * Get the value associated with a key as a list of strings
+ *
+ * This is only guaranteed to work if the value was stored as a
+ * list of strings.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @param def the value to return if no string list value was associated with key
+ * @result the value associated with key as a list of strings, or def
+ */
+- (NSArray*) stringListEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSArray*)def;
+/**
+ * Get the value associated with a key as a list of booleans
+ *
+ * This is only guaranteed to work if the value was stored as a
+ * list of booleans.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @result the value associated with key as a list of NSNumber
+ * objects, containing boolean values, or nil
+ */
+- (NSArray*) booleanListEntry:(NSString*)key inGroup:(NSString*)group;
+/**
+ * Get the value associated with a key as a list of booleans
+ *
+ * This is only guaranteed to work if the value was stored as a
+ * list of booleans.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @param def the value to return if no boolean list value was associated with key
+ * @result the value associated with key as a list of NSNumber
+ * objects, containing boolean values, or def
+ */
+- (NSArray*) booleanListEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSArray*)def;
+/**
+ * Get the value associated with a key as a list of integers
+ *
+ * This is only guaranteed to work if the value was stored as a
+ * list of integers.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @result the value associated with key as a list of NSNumber
+ * objects, containing integer values, or nil
+ */
+- (NSArray*) integerListEntry:(NSString*)key inGroup:(NSString*)group;
+/**
+ * Get the value associated with a key as a list of integers
+ *
+ * This is only guaranteed to work if the value was stored as a
+ * list of integers.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @param def the value to return if no integer list value was associated with key
+ * @result the value associated with key as a list of NSNumber
+ * objects, containing integer values, or def
+ */
+- (NSArray*) integerListEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSArray*)def;
+/**
+ * Get the value associated with a key as a list of doubles
+ *
+ * This is only guaranteed to work if the value was stored as a
+ * list of doubles.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @result the value associated with key as a list of NSNumber
+ * objects, containing double values, or nil
+ */
+- (NSArray*) doubleListEntry:(NSString*)key inGroup:(NSString*)group;
+/**
+ * Get the value associated with a key as a list of doubles
+ *
+ * This is only guaranteed to work if the value was stored as a
+ * list of doubles.
+ *
+ * @param key the key to fetch the data for
+ * @param group the name of the group to look in
+ * @param def the value to return if no double list value was associated with key
+ * @result the value associated with key as a list of NSNumber
+ * objects, containing double values, or def
+ */
+- (NSArray*) doubleListEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSArray*)def;
+
+/**
+ * Associate a string value with a key.
+ *
+ * Any previous value (of any type) with the same key and group will
+ * be overwritten.
+ *
+ * @param key the key to associate the value with
+ * @param group the group to store the association in
+ * @param value the value to store
+ */
+- (void) setStringEntry:(NSString*)key inGroup:(NSString*)group value:(NSString*)value;
+/**
+ * Associate a boolean value with a key.
+ *
+ * Any previous value (of any type) with the same key and group will
+ * be overwritten.
+ *
+ * @param key the key to associate the value with
+ * @param group the group to store the association in
+ * @param value the value to store
+ */
+- (void) setBooleanEntry:(NSString*)key inGroup:(NSString*)group value:(BOOL)value;
+/**
+ * Associate a integer value with a key.
+ *
+ * Any previous value (of any type) with the same key and group will
+ * be overwritten.
+ *
+ * @param key the key to associate the value with
+ * @param group the group to store the association in
+ * @param value the value to store
+ */
+- (void) setIntegerEntry:(NSString*)key inGroup:(NSString*)group value:(int)value;
+/**
+ * Associate a double value with a key.
+ *
+ * Any previous value (of any type) with the same key and group will
+ * be overwritten.
+ *
+ * @param key the key to associate the value with
+ * @param group the group to store the association in
+ * @param value the value to store
+ */
+- (void) setDoubleEntry:(NSString*)key inGroup:(NSString*)group value:(double)value;
+
+/**
+ * Associate a list of string values with a key.
+ *
+ * Any previous value (of any type) with the same key and group will
+ * be overwritten.
+ *
+ * @param key the key to associate the list with
+ * @param group the group to store the association in
+ * @param value the list to store, as an array of strings
+ */
+- (void) setStringListEntry:(NSString*)key inGroup:(NSString*)group value:(NSArray*)value;
+/**
+ * Associate a list of boolean values with a key.
+ *
+ * Any previous value (of any type) with the same key and group will
+ * be overwritten.
+ *
+ * @param key the key to associate the list with
+ * @param group the group to store the association in
+ * @param value the list to store, as an array of NSNumber objects
+ */
+- (void) setBooleanListEntry:(NSString*)key inGroup:(NSString*)group value:(NSArray*)value;
+/**
+ * Associate a list of integer values with a key.
+ *
+ * Any previous value (of any type) with the same key and group will
+ * be overwritten.
+ *
+ * @param key the key to associate the list with
+ * @param group the group to store the association in
+ * @param value the list to store, as an array of NSNumber objects
+ */
+- (void) setIntegerListEntry:(NSString*)key inGroup:(NSString*)group value:(NSArray*)value;
+/**
+ * Associate a list of double values with a key.
+ *
+ * Any previous value (of any type) with the same key and group will
+ * be overwritten.
+ *
+ * @param key the key to associate the list with
+ * @param group the group to store the association in
+ * @param value the list to store, as an array of NSNumber objects
+ */
+- (void) setDoubleListEntry:(NSString*)key inGroup:(NSString*)group value:(NSArray*)value;
+
+/**
+ * Remove a group from the configuration
+ *
+ * This will remove all the groups key-value associations.
+ */
+- (void) removeGroup:(NSString*)group;
+/**
+ * Remove a key from the configuration
+ *
+ * @param key the key to remove
+ * @param group the group to remove it from
+ */
+- (void) removeKey:(NSString*)key inGroup:(NSString*)group;
+
+@end
+
+// vim:ft=objc:sts=4:sw=4:et
diff --git a/tikzit/src/linux/Configuration.m b/tikzit/src/linux/Configuration.m
new file mode 100644
index 0000000..4904eed
--- /dev/null
+++ b/tikzit/src/linux/Configuration.m
@@ -0,0 +1,446 @@
+//
+// MainWindow.h
+// TikZiT
+//
+// Copyright 2010 Alex Merry
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Configuration.h"
+#import "SupportDir.h"
+
+@implementation Configuration
+
++ (NSString*) _pathFromName:(NSString*)name {
+ return [NSString stringWithFormat:@"%@/%@.conf", [SupportDir userSupportDir], name];
+}
+
++ (BOOL) configurationExistsWithName:(NSString*)name {
+ BOOL isDir;
+ BOOL exists = [[NSFileManager defaultManager] fileExistsAtPath:[self _pathFromName:name] isDirectory:&isDir];
+ return exists && !isDir;
+}
+
++ (Configuration*) emptyConfigurationWithName:(NSString*)name
+ { return [[[self alloc] initEmptyWithName:name] autorelease]; }
++ (Configuration*) configurationWithName:(NSString*)name
+ { return [[[self alloc] initWithName:name] autorelease]; }
++ (Configuration*) configurationWithName:(NSString*)name loadError:(NSError**)error
+ { return [[[self alloc] initWithName:name loadError:error] autorelease]; }
+
+- (id) init
+{
+ [self release];
+ return nil;
+}
+
+- (id) initEmptyWithName:(NSString*)n
+{
+ self = [super init];
+ if (self) {
+ name = [n retain];
+ file = g_key_file_new ();
+ }
+
+ return self;
+}
+
+- (id) _initFromFile:(NSString*)path error:(NSError**)error
+{
+ self = [super init];
+ if (self) {
+ file = g_key_file_new ();
+
+ NSFileManager *manager = [NSFileManager defaultManager];
+ if ([manager fileExistsAtPath:path]) {
+ gchar *filename = [path glibFilename];
+
+ GError *gerror = NULL;
+ g_key_file_load_from_file (file,
+ filename,
+ G_KEY_FILE_NONE,
+ &gerror);
+ g_free (filename);
+
+ if (gerror) {
+ GErrorToNSError (gerror, error);
+ g_error_free (gerror);
+ }
+ }
+ }
+
+ return self;
+}
+
+- (id) initWithName:(NSString*)n {
+ return [self initWithName:n loadError:NULL];
+}
+
+- (id) initWithName:(NSString*)n loadError:(NSError**)error {
+ self = [self _initFromFile:[Configuration _pathFromName:n] error:error];
+
+ if (self) {
+ name = [n retain];
+ }
+
+ return self;
+}
+
+- (BOOL) _ensureParentExists:(NSString*)path error:(NSError**)error {
+ NSString *directory = [path stringByDeletingLastPathComponent];
+ return [[NSFileManager defaultManager] ensureDirectoryExists:directory error:error];
+}
+
+- (BOOL) _writeFileTo:(NSString*)path error:(NSError**)error
+{
+ if (![self _ensureParentExists:path error:error]) {
+ return NO;
+ }
+
+ BOOL success = NO;
+ gsize length;
+ gchar *data = g_key_file_to_data (file, &length, NULL); // never reports an error
+ if (data && length) {
+ GError *gerror = NULL;
+ gchar* nativePath = [path glibFilename];
+ success = g_file_set_contents (nativePath, data, length, &gerror) ? YES : NO;
+ g_free (data);
+ g_free (nativePath);
+ if (gerror) {
+ g_warning ("Failed to write file: %s\n", gerror->message);
+ GErrorToNSError (gerror, error);
+ g_error_free (gerror);
+ }
+ } else {
+ [[NSFileManager defaultManager] removeFileAtPath:path handler:nil];
+ success = YES;
+ }
+
+ return success;
+}
+
+- (NSString*) name {
+ return name;
+}
+
+- (void) setName:(NSString*)n {
+ [n retain];
+ [name release];
+ name = n;
+}
+
+- (BOOL) writeToStore {
+ return [self writeToStoreWithError:NULL];
+}
+
+- (BOOL) writeToStoreWithError:(NSError**)error {
+ return [self _writeFileTo:[Configuration _pathFromName:name] error:error];
+}
+
+- (BOOL) hasKey:(NSString*)key inGroup:(NSString*)group
+{
+ gboolean result = g_key_file_has_key (file, [group UTF8String], [key UTF8String], NULL);
+ return result ? YES : NO;
+}
+
+- (BOOL) hasGroup:(NSString*)group
+{
+ gboolean result = g_key_file_has_group (file, [group UTF8String]);
+ return result ? YES : NO;
+}
+
+- (NSArray*) keys:(NSString*)group
+{
+ gsize length;
+ gchar **keys = g_key_file_get_keys (file, [group UTF8String], &length, NULL);
+ if (!keys)
+ length = 0;
+
+ NSMutableArray *array = [NSMutableArray arrayWithCapacity:length];
+ for (int i = 0; i < length; ++i) {
+ [array addObject:[NSString stringWithUTF8String:keys[i]]];
+ }
+ g_strfreev (keys);
+ return array;
+}
+
+- (NSArray*) groups
+{
+ gsize length;
+ gchar **groups = g_key_file_get_groups (file, &length);
+ NSMutableArray *array = [NSMutableArray arrayWithCapacity:length];
+ for (int i = 0; i < length; ++i) {
+ [array addObject:[NSString stringWithUTF8String:groups[i]]];
+ }
+ g_strfreev (groups);
+ return array;
+}
+
+- (NSString*) stringEntry:(NSString*)key inGroup:(NSString*)group
+{
+ return [self stringEntry:key inGroup:group withDefault:nil];
+}
+
+- (NSString*) stringEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSString*)def
+{
+ NSString *result = def;
+ gchar *entry = g_key_file_get_string (file, [group UTF8String], [key UTF8String], NULL);
+ if (entry) {
+ result = [NSString stringWithUTF8String:entry];
+ g_free (entry);
+ }
+ return result;
+}
+
+- (BOOL) booleanEntry:(NSString*)key inGroup:(NSString*)group withDefault:(BOOL)def
+{
+ GError *error = NULL;
+ gboolean result = g_key_file_get_boolean (file, [group UTF8String], [key UTF8String], &error);
+ if (error != NULL) {
+ g_error_free (error);
+ return def;
+ } else {
+ return result ? YES : NO;
+ }
+}
+
+- (BOOL) booleanEntry:(NSString*)key inGroup:(NSString*)group
+{
+ gboolean result = g_key_file_get_boolean (file, [group UTF8String], [key UTF8String], NULL);
+ return result ? YES : NO;
+}
+
+- (int) integerEntry:(NSString*)key inGroup:(NSString*)group withDefault:(int)def
+{
+ GError *error = NULL;
+ int result = g_key_file_get_integer (file, [group UTF8String], [key UTF8String], &error);
+ if (error != NULL) {
+ g_error_free (error);
+ return def;
+ } else {
+ return result;
+ }
+}
+
+- (int) integerEntry:(NSString*)key inGroup:(NSString*)group
+{
+ return g_key_file_get_integer (file, [group UTF8String], [key UTF8String], NULL);
+}
+
+- (double) doubleEntry:(NSString*)key inGroup:(NSString*)group withDefault:(double)def
+{
+ GError *error = NULL;
+ double result = g_key_file_get_double (file, [group UTF8String], [key UTF8String], &error);
+ if (error != NULL) {
+ g_error_free (error);
+ return def;
+ } else {
+ return result;
+ }
+}
+
+- (double) doubleEntry:(NSString*)key inGroup:(NSString*)group
+{
+ return g_key_file_get_double (file, [group UTF8String], [key UTF8String], NULL);
+}
+
+- (NSArray*) stringListEntry:(NSString*)key inGroup:(NSString*)group
+{
+ return [self stringListEntry:key inGroup:group withDefault:nil];
+}
+
+- (NSArray*) stringListEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSArray*)def
+{
+ gsize length;
+ gchar **list = g_key_file_get_string_list (file, [group UTF8String], [key UTF8String], &length, NULL);
+ if (list) {
+ NSMutableArray *result = [NSMutableArray new];
+ for (int i = 0; i < length; ++i) {
+ [result addObject:[NSString stringWithUTF8String:list[i]]];
+ }
+ return result;
+ } else {
+ return def;
+ }
+}
+
+- (NSArray*) booleanListEntry:(NSString*)key inGroup:(NSString*)group
+{
+ return [self booleanListEntry:key inGroup:group withDefault:nil];
+}
+
+- (NSArray*) booleanListEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSArray*)def
+{
+ gsize length;
+ gboolean *list = g_key_file_get_boolean_list (file, [group UTF8String], [key UTF8String], &length, NULL);
+ if (list) {
+ NSMutableArray *result = [NSMutableArray new];
+ for (int i = 0; i < length; ++i) {
+ [result addObject:[NSNumber numberWithBool:list[i]]];
+ }
+ return result;
+ } else {
+ return def;
+ }
+}
+
+- (NSArray*) integerListEntry:(NSString*)key inGroup:(NSString*)group
+{
+ return [self integerListEntry:key inGroup:group withDefault:nil];
+}
+
+- (NSArray*) integerListEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSArray*)def
+{
+ gsize length;
+ gint *list = g_key_file_get_integer_list (file, [group UTF8String], [key UTF8String], &length, NULL);
+ if (list) {
+ NSMutableArray *result = [NSMutableArray new];
+ for (int i = 0; i < length; ++i) {
+ [result addObject:[NSNumber numberWithInt:list[i]]];
+ }
+ return result;
+ } else {
+ return def;
+ }
+}
+
+- (NSArray*) doubleListEntry:(NSString*)key inGroup:(NSString*)group
+{
+ return [self doubleListEntry:key inGroup:group withDefault:nil];
+}
+
+- (NSArray*) doubleListEntry:(NSString*)key inGroup:(NSString*)group withDefault:(NSArray*)def
+{
+ gsize length;
+ double *list = g_key_file_get_double_list (file, [group UTF8String], [key UTF8String], &length, NULL);
+ if (list) {
+ NSMutableArray *result = [NSMutableArray new];
+ for (int i = 0; i < length; ++i) {
+ [result addObject:[NSNumber numberWithDouble:list[i]]];
+ }
+ return result;
+ } else {
+ return def;
+ }
+}
+
+- (void) setStringEntry:(NSString*)key inGroup:(NSString*)group value:(NSString*)value
+{
+ if (value == nil) {
+ [self removeKey:key inGroup:group];
+ return;
+ }
+ g_key_file_set_string (file, [group UTF8String], [key UTF8String], [value UTF8String]);
+}
+
+- (void) setBooleanEntry:(NSString*)key inGroup:(NSString*)group value:(BOOL)value;
+{
+ g_key_file_set_boolean (file, [group UTF8String], [key UTF8String], value);
+}
+
+- (void) setIntegerEntry:(NSString*)key inGroup:(NSString*)group value:(int)value;
+{
+ g_key_file_set_integer (file, [group UTF8String], [key UTF8String], value);
+}
+
+- (void) setDoubleEntry:(NSString*)key inGroup:(NSString*)group value:(double)value;
+{
+ g_key_file_set_double (file, [group UTF8String], [key UTF8String], value);
+}
+
+
+- (void) setStringListEntry:(NSString*)key inGroup:(NSString*)group value:(NSArray*)value
+{
+ if (value == nil) {
+ [self removeKey:key inGroup:group];
+ return;
+ }
+ gsize length = [value count];
+ const gchar * *list = g_new (const gchar *, length);
+ for (int i = 0; i < length; ++i) {
+ list[i] = [[value objectAtIndex:i] UTF8String];
+ }
+ g_key_file_set_string_list (file, [group UTF8String], [key UTF8String], list, length);
+ g_free (list);
+}
+
+- (void) setBooleanListEntry:(NSString*)key inGroup:(NSString*)group value:(NSArray*)value;
+{
+ if (value == nil) {
+ [self removeKey:key inGroup:group];
+ return;
+ }
+ gsize length = [value count];
+ gboolean *list = g_new (gboolean, length);
+ for (int i = 0; i < length; ++i) {
+ list[i] = [[value objectAtIndex:i] boolValue];
+ }
+ g_key_file_set_boolean_list (file, [group UTF8String], [key UTF8String], list, length);
+ g_free (list);
+}
+
+- (void) setIntegerListEntry:(NSString*)key inGroup:(NSString*)group value:(NSArray*)value;
+{
+ if (value == nil) {
+ [self removeKey:key inGroup:group];
+ return;
+ }
+ gsize length = [value count];
+ gint *list = g_new (gint, length);
+ for (int i = 0; i < length; ++i) {
+ list[i] = [[value objectAtIndex:i] intValue];
+ }
+ g_key_file_set_integer_list (file, [group UTF8String], [key UTF8String], list, length);
+ g_free (list);
+}
+
+- (void) setDoubleListEntry:(NSString*)key inGroup:(NSString*)group value:(NSArray*)value;
+{
+ if (value == nil) {
+ [self removeKey:key inGroup:group];
+ return;
+ }
+ gsize length = [value count];
+ gdouble *list = g_new (gdouble, length);
+ for (int i = 0; i < length; ++i) {
+ list[i] = [[value objectAtIndex:i] doubleValue];
+ }
+ g_key_file_set_double_list (file, [group UTF8String], [key UTF8String], list, length);
+ g_free (list);
+}
+
+- (void) removeGroup:(NSString*)group
+{
+ g_key_file_remove_group (file, [group UTF8String], NULL);
+}
+
+- (void) removeKey:(NSString*)key inGroup:(NSString*)group;
+{
+ g_key_file_remove_key (file, [group UTF8String], [key UTF8String], NULL);
+}
+
+- (void) dealloc
+{
+ [name release];
+ g_key_file_free (file);
+ file = NULL;
+ [super dealloc];
+}
+
+@end
+
+// vim:ft=objc:sts=4:sw=4:et
diff --git a/tikzit/src/linux/Edge+Render.h b/tikzit/src/linux/Edge+Render.h
new file mode 100644
index 0000000..11f02b1
--- /dev/null
+++ b/tikzit/src/linux/Edge+Render.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "Edge.h"
+#import "RenderContext.h"
+#import "Surface.h"
+
+@interface Edge (Render)
+
++ (float) controlPointRadius;
+- (void) renderControlsToSurface:(id<Surface>)surface withContext:(id<RenderContext>)context;
+- (void) renderToSurface:(id<Surface>)surface withContext:(id<RenderContext>)context selected:(BOOL)selected;
+- (NSRect) renderedBoundsWithTransformer:(Transformer*)t whenSelected:(BOOL)selected;
+- (BOOL) hitByPoint:(NSPoint)p onSurface:(id<Surface>)surface withFuzz:(float)fuzz;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/Edge+Render.m b/tikzit/src/linux/Edge+Render.m
new file mode 100644
index 0000000..2e5f127
--- /dev/null
+++ b/tikzit/src/linux/Edge+Render.m
@@ -0,0 +1,208 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ * Copyright 2010 Chris Heunen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "Edge+Render.h"
+#import "Node+Render.h"
+#import "../common/util.h"
+
+static const float edgeWidth = 2.0;
+static const float cpRadius = 3.0;
+static const float cpLineWidth = 1.0;
+
+@implementation Edge (Render)
+
++ (float) controlPointRadius {
+ return cpRadius;
+}
+
+- (float) controlDistanceWithTransformer:(Transformer*)transformer {
+ NSPoint c_source = [transformer toScreen:src];
+ NSPoint c_target = [transformer toScreen:targ];
+ const float dx = (c_target.x - c_source.x);
+ const float dy = (c_target.y - c_source.y);
+ if (dx == 0 && dy == 0) {
+ return [transformer scaleToScreen:weight];
+ } else {
+ return NSDistanceBetweenPoints(c_source, c_target) * weight;
+ }
+}
+
+- (void) renderControlsToSurface:(id <Surface>)surface withContext:(id<RenderContext>)context {
+ Transformer *transformer = [surface transformer];
+
+ [context saveState];
+
+ [self updateControls];
+
+ NSPoint c_source = [transformer toScreen:src];
+ NSPoint c_target = [transformer toScreen:targ];
+ NSPoint c_mid = [transformer toScreen:mid];
+
+ const float dx = (c_target.x - c_source.x);
+ const float dy = (c_target.y - c_source.y);
+
+ [context setLineWidth:cpLineWidth];
+ RColor fillColor = MakeRColor (1.0, 1.0, 1.0, 0.5);
+
+ // draw a circle at the mid point
+ [context startPath];
+ [context circleAt:c_mid withRadius:cpRadius];
+ [context strokePathWithColor:MakeSolidRColor(0, 0, 1) andFillWithColor:fillColor];
+
+ //[context setAntialiasMode:AntialiasDisabled];
+
+ // size of control circles
+ float c_dist = 0.0f;
+ if (dx == 0 && dy == 0) {
+ c_dist = [transformer scaleToScreen:weight];
+ } else {
+ c_dist = NSDistanceBetweenPoints(c_source, c_target) * weight;
+ }
+
+ // basic bend is blue, in-out is green
+ RColor controlTrackColor;
+ if ([self bendMode] == EdgeBendModeBasic) {
+ controlTrackColor = MakeRColor (0.0, 0.0, 1.0, 0.4);
+ } else {
+ controlTrackColor = MakeRColor (0.0, 0.7, 0.0, 0.4);
+ }
+
+ [context startPath];
+ [context circleAt:c_source withRadius:c_dist];
+ if (dx != 0 || dy != 0) {
+ [context circleAt:c_target withRadius:c_dist];
+ }
+ [context strokePathWithColor:controlTrackColor];
+
+ RColor handleColor = MakeRColor (1.0, 0.0, 1.0, 0.6);
+ if ([self bendMode] == EdgeBendModeBasic) {
+ if (bend % 45 != 0) {
+ handleColor = MakeRColor (0.0, 0.0, 0.1, 0.4);
+ }
+ } else if ([self bendMode] == EdgeBendModeInOut) {
+ if (outAngle % 45 != 0) {
+ handleColor = MakeRColor (0.0, 0.7, 0.0, 0.4);
+ }
+ }
+
+ NSPoint c_cp1 = [transformer toScreen:cp1];
+ [context moveTo:c_source];
+ [context lineTo:c_cp1];
+ [context circleAt:c_cp1 withRadius:cpRadius];
+ [context strokePathWithColor:handleColor];
+
+ if ([self bendMode] == EdgeBendModeInOut) {
+ // recalculate color based on inAngle
+ if (inAngle % 45 == 0) {
+ handleColor = MakeRColor (1.0, 0.0, 1.0, 0.6);
+ } else {
+ handleColor = MakeRColor (0.0, 0.7, 0.0, 0.4);
+ }
+ }
+
+ NSPoint c_cp2 = [transformer toScreen:cp2];
+ [context moveTo:c_target];
+ [context lineTo:c_cp2];
+ [context circleAt:c_cp2 withRadius:cpRadius];
+ [context strokePathWithColor:handleColor];
+
+ [context restoreState];
+}
+
+- (void) createStrokePathInContext:(id<RenderContext>)context withTransformer:(Transformer*)transformer {
+ NSPoint c_source = [transformer toScreen:src];
+ NSPoint c_cp1 = [transformer toScreen:cp1];
+ NSPoint c_cp2 = [transformer toScreen:cp2];
+ NSPoint c_target = [transformer toScreen:targ];
+
+ [context startPath];
+ [context moveTo:c_source];
+ [context curveTo:c_target withCp1:c_cp1 andCp2:c_cp2];
+
+ if ([self style] != nil) {
+ // draw edge decoration
+ switch ([[self style] decorationStyle]) {
+ case ED_None:
+ break;
+ case ED_Tick:
+ [context moveTo:[transformer toScreen:[self leftNormal]]];
+ [context lineTo:[transformer toScreen:[self rightNormal]]];
+ break;
+ case ED_Arrow:
+ [context moveTo:[transformer toScreen:[self leftNormal]]];
+ [context lineTo:[transformer toScreen:[self midTan]]];
+ [context lineTo:[transformer toScreen:[self rightNormal]]];
+ break;
+ }
+ }
+
+}
+
+- (void) renderToSurface:(id <Surface>)surface withContext:(id<RenderContext>)context selected:(BOOL)selected {
+ [self updateControls];
+
+ [context saveState];
+ [context setLineWidth:edgeWidth];
+ [self createStrokePathInContext:context withTransformer:[surface transformer]];
+ RColor color = BlackRColor;
+ if (selected) {
+ color.alpha = 0.5;
+ }
+ [context strokePathWithColor:color];
+ [context restoreState];
+
+ if (selected) {
+ [self renderControlsToSurface:surface withContext:context];
+ }
+
+ if ([self hasEdgeNode]) {
+ NSPoint labelPt = [[surface transformer] toScreen:[self mid]];
+ [[self edgeNode] renderLabelAt:labelPt
+ withContext:context];
+ }
+}
+
+- (NSRect) renderedBoundsWithTransformer:(Transformer*)t whenSelected:(BOOL)selected {
+ NSRect bRect = [t rectToScreen:[self boundingRect]];
+ if (selected) {
+ float c_dist = [self controlDistanceWithTransformer:t];
+ return NSInsetRect (bRect, -c_dist, -c_dist);
+ } else {
+ return bRect;
+ }
+}
+
+- (BOOL) hitByPoint:(NSPoint)p onSurface:(id<Surface>)surface withFuzz:(float)fuzz {
+ [self updateControls];
+
+ NSRect boundingRect = [[surface transformer] rectToScreen:[self boundingRect]];
+ if (!NSPointInRect(p, NSInsetRect(boundingRect, -fuzz, -fuzz))) {
+ return NO;
+ }
+
+ id<RenderContext> cr = [surface createRenderContext];
+
+ [cr setLineWidth:edgeWidth + 2 * fuzz];
+ [self createStrokePathInContext:cr withTransformer:[surface transformer]];
+
+ return [cr strokeIncludesPoint:p];
+}
+
+@end
+
+// vim:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/linux/EdgeStyle+Storage.h b/tikzit/src/linux/EdgeStyle+Storage.h
new file mode 100644
index 0000000..74881f3
--- /dev/null
+++ b/tikzit/src/linux/EdgeStyle+Storage.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "EdgeStyle.h"
+#import "Configuration.h"
+
+@interface EdgeStyle (Storage)
+
+- (id) initFromConfigurationGroup:(NSString*)groupName config:(Configuration*)configFile;
+- (void) storeToConfigurationGroup:(NSString*)groupName config:(Configuration*)configFile;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/EdgeStyle+Storage.m b/tikzit/src/linux/EdgeStyle+Storage.m
new file mode 100644
index 0000000..0904e1c
--- /dev/null
+++ b/tikzit/src/linux/EdgeStyle+Storage.m
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "EdgeStyle+Storage.h"
+#import "ColorRGB+IntegerListStorage.h"
+
+@implementation EdgeStyle (Storage)
+
+- (id) initFromConfigurationGroup:(NSString*)groupName config:(Configuration*)configFile {
+ self = [self init];
+
+ if (self) {
+ [self setName:[configFile stringEntry:@"Name" inGroup:groupName withDefault:name]];
+ [self setCategory:[configFile stringEntry:@"Category" inGroup:groupName withDefault:category]];
+ headStyle = [configFile integerEntry:@"HeadStyle" inGroup:groupName withDefault:headStyle];
+ tailStyle = [configFile integerEntry:@"TailStyle" inGroup:groupName withDefault:tailStyle];
+ decorationStyle = [configFile integerEntry:@"DecorationStyle" inGroup:groupName withDefault:decorationStyle];
+ thickness = [configFile doubleEntry:@"Thickness" inGroup:groupName withDefault:thickness];
+ }
+
+ return self;
+}
+
+- (void) storeToConfigurationGroup:(NSString*)groupName config:(Configuration*)configFile {
+ [configFile setStringEntry:@"Name" inGroup:groupName value:name];
+ [configFile setStringEntry:@"Category" inGroup:groupName value:category];
+ [configFile setIntegerEntry:@"HeadStyle" inGroup:groupName value:headStyle];
+ [configFile setIntegerEntry:@"TailStyle" inGroup:groupName value:tailStyle];
+ [configFile setIntegerEntry:@"DecorationStyle" inGroup:groupName value:decorationStyle];
+ [configFile setDoubleEntry:@"Thickness" inGroup:groupName value:thickness];
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/FileChooserDialog.h b/tikzit/src/linux/FileChooserDialog.h
new file mode 100644
index 0000000..80b03f5
--- /dev/null
+++ b/tikzit/src/linux/FileChooserDialog.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+
+@interface FileChooserDialog: NSObject {
+ GtkFileChooser *dialog;
+}
+
++ (FileChooserDialog*) saveDialog;
++ (FileChooserDialog*) saveDialogWithParent:(GtkWindow*)parent;
++ (FileChooserDialog*) saveDialogWithTitle:(NSString*)title parent:(GtkWindow*)parent;
++ (FileChooserDialog*) openDialog;
++ (FileChooserDialog*) openDialogWithParent:(GtkWindow*)parent;
++ (FileChooserDialog*) openDialogWithTitle:(NSString*)title parent:(GtkWindow*)parent;
+
+- (id) initSaveDialog;
+- (id) initSaveDialogWithParent:(GtkWindow*)parent;
+- (id) initSaveDialogWithTitle:(NSString*)title parent:(GtkWindow*)parent;
+- (id) initOpenDialog;
+- (id) initOpenDialogWithParent:(GtkWindow*)parent;
+- (id) initOpenDialogWithTitle:(NSString*)title parent:(GtkWindow*)parent;
+
+- (void) addStandardFilters;
+- (void) addFileFilter:(NSString*)filterName withPattern:(NSString*)filePattern;
+- (void) addFileFilter:(NSString*)filterName withPattern:(NSString*)filePattern setSelected:(BOOL)selected;
+
+- (void) setCurrentFolder:(NSString*)path;
+- (NSString*) currentFolder;
+
+- (void) setSuggestedName:(NSString*)fileName;
+
+- (NSString*) filePath;
+
+- (BOOL) showDialog;
+
+- (void) destroy;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/FileChooserDialog.m b/tikzit/src/linux/FileChooserDialog.m
new file mode 100644
index 0000000..9498e4c
--- /dev/null
+++ b/tikzit/src/linux/FileChooserDialog.m
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "FileChooserDialog.h"
+
+@implementation FileChooserDialog: NSObject
+
++ (FileChooserDialog*) saveDialog { return [[[self alloc] initSaveDialog] autorelease]; }
++ (FileChooserDialog*) saveDialogWithParent:(GtkWindow*)parent
+ { return [[[self alloc] initSaveDialogWithParent:parent] autorelease]; }
++ (FileChooserDialog*) saveDialogWithTitle:(NSString*)title parent:(GtkWindow*)parent
+ { return [[[self alloc] initSaveDialogWithTitle:title parent:parent] autorelease]; }
++ (FileChooserDialog*) openDialog { return [[[self alloc] initOpenDialog] autorelease]; }
++ (FileChooserDialog*) openDialogWithParent:(GtkWindow*)parent
+ { return [[[self alloc] initOpenDialogWithParent:parent] autorelease]; }
++ (FileChooserDialog*) openDialogWithTitle:(NSString*)title parent:(GtkWindow*)parent
+ { return [[[self alloc] initOpenDialogWithTitle:title parent:parent] autorelease]; }
+
+- (id) initSaveDialog { return [self initSaveDialogWithParent:NULL]; }
+- (id) initSaveDialogWithParent:(GtkWindow*)parent
+ { return [self initSaveDialogWithTitle:@"Save file" parent:parent]; }
+- (id) initSaveDialogWithTitle:(NSString*)title parent:(GtkWindow*)parent {
+ self = [super init];
+
+ if (self) {
+ dialog = GTK_FILE_CHOOSER (gtk_file_chooser_dialog_new (
+ [title UTF8String],
+ parent,
+ GTK_FILE_CHOOSER_ACTION_SAVE,
+ GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+ GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
+ NULL));
+ gtk_file_chooser_set_do_overwrite_confirmation (dialog, TRUE);
+ }
+
+ return self;
+}
+
+- (id) initOpenDialog { return [self initOpenDialogWithParent:NULL]; }
+- (id) initOpenDialogWithParent:(GtkWindow*)parent
+ { return [self initOpenDialogWithTitle:@"Open file" parent:parent]; }
+- (id) initOpenDialogWithTitle:(NSString*)title parent:(GtkWindow*)parent {
+ self = [super init];
+
+ if (self) {
+ dialog = GTK_FILE_CHOOSER (gtk_file_chooser_dialog_new (
+ [title UTF8String],
+ parent,
+ GTK_FILE_CHOOSER_ACTION_OPEN,
+ GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+ GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
+ NULL));
+ }
+
+ return self;
+}
+
+- (void) addStandardFilters {
+ GtkFileFilter *tikzfilter = gtk_file_filter_new();
+ gtk_file_filter_set_name(tikzfilter, ".tikz files");
+ gtk_file_filter_add_pattern(tikzfilter, "*.tikz");
+ gtk_file_chooser_add_filter(dialog, tikzfilter);
+ GtkFileFilter *allfilter = gtk_file_filter_new();
+ gtk_file_filter_set_name(allfilter, "all files");
+ gtk_file_filter_add_pattern(allfilter, "*");
+ gtk_file_chooser_add_filter(dialog, allfilter);
+ gtk_file_chooser_set_filter(dialog, tikzfilter);
+}
+
+- (void) addFileFilter:(NSString*)filterName withPattern:(NSString*)filePattern {
+ [self addFileFilter:filterName withPattern:filePattern setSelected:NO];
+}
+
+- (void) addFileFilter:(NSString*)filterName withPattern:(NSString*)filePattern setSelected:(BOOL)selected {
+ GtkFileFilter *oldFilter = selected ? NULL : gtk_file_chooser_get_filter (dialog);
+ GtkFileFilter *filter = gtk_file_filter_new();
+ gtk_file_filter_set_name(filter, [filterName UTF8String]);
+ gtk_file_filter_add_pattern(filter, [filePattern UTF8String]);
+ gtk_file_chooser_add_filter(dialog, filter);
+ if (selected) {
+ gtk_file_chooser_set_filter (dialog, filter);
+ } else if (oldFilter) {
+ gtk_file_chooser_set_filter (dialog, oldFilter);
+ }
+}
+
+- (void) setCurrentFolder:(NSString*)path {
+ gchar *folder = [path glibFilename];
+ if (folder) {
+ gtk_file_chooser_set_current_folder(dialog, folder);
+ g_free (folder);
+ }
+}
+
+- (NSString*) currentFolder {
+ NSString *path = nil;
+ gchar *folder = gtk_file_chooser_get_current_folder(dialog);
+ if (folder) {
+ path = [NSString stringWithGlibFilename:folder];
+ g_free (folder);
+ }
+ return path;
+}
+
+- (void) setSuggestedName:(NSString*)fileName {
+ gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (dialog), [fileName UTF8String]);
+}
+
+- (NSString*) filePath {
+ NSString *path = nil;
+ gchar *filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
+ if (filename) {
+ path = [NSString stringWithGlibFilename:filename];
+ g_free (filename);
+ }
+ return path;
+}
+
+- (BOOL) showDialog {
+ return (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT) ? YES : NO;
+}
+
+- (void) destroy {
+ gtk_widget_destroy (GTK_WIDGET (dialog));
+ dialog = NULL;
+}
+
+- (void) dealloc {
+ if (dialog) {
+ g_warning ("Failed to destroy file chooser dialog!\n");
+ gtk_widget_destroy (GTK_WIDGET (dialog));
+ }
+ [super dealloc];
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/GraphInputHandler.h b/tikzit/src/linux/GraphInputHandler.h
new file mode 100644
index 0000000..61af36f
--- /dev/null
+++ b/tikzit/src/linux/GraphInputHandler.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "GraphRenderer.h"
+#import "InputDelegate.h"
+#import "StyleManager.h"
+
+typedef enum {
+ SelectMode,
+ CreateNodeMode,
+ DrawEdgeMode,
+ BoundingBoxMode,
+ HandMode
+} InputMode;
+
+typedef enum {
+ QuietState,
+ SelectBoxState,
+ ToggleSelectState,
+ MoveSelectedNodesState,
+ DragEdgeControlPoint1,
+ DragEdgeControlPoint2,
+ EdgeDragState,
+ BoundingBoxState,
+ CanvasDragState
+} MouseState;
+
+@interface GraphInputHandler: NSObject {
+ GraphRenderer *renderer;
+ InputMode mode;
+ MouseState state;
+ float edgeFuzz;
+ NSPoint dragOrigin;
+ Node *leaderNode;
+ NSPoint oldLeaderPos;
+ Edge *modifyEdge;
+ NSMutableSet *selectionBoxContents;
+ ResizeHandle grabbedResizeHandle;
+ NSPoint oldOrigin;
+}
+
+- (id) initWithGraphRenderer:(GraphRenderer*)r;
+
+- (float) edgeFuzz;
+- (void) setEdgeFuzz:(float)fuzz;
+
+- (InputMode) mode;
+- (void) setMode:(InputMode)mode;
+
+- (void) resetState;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/GraphInputHandler.m b/tikzit/src/linux/GraphInputHandler.m
new file mode 100644
index 0000000..4d77045
--- /dev/null
+++ b/tikzit/src/linux/GraphInputHandler.m
@@ -0,0 +1,410 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ * Copyright 2010 Chris Heunen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "GraphInputHandler.h"
+#import <gdk/gdkkeysyms.h>
+#import "Edge+Render.h"
+
+static const InputMask unionSelectMask = ShiftMask;
+
+@implementation GraphInputHandler
+- (id) initWithGraphRenderer:(GraphRenderer*)r {
+ self = [super init];
+
+ if (self) {
+ renderer = r;
+ mode = SelectMode;
+ state = QuietState;
+ edgeFuzz = 3.0f;
+ leaderNode = nil;
+ modifyEdge = nil;
+ selectionBoxContents = [[NSMutableSet alloc] initWithCapacity:10];
+ grabbedResizeHandle = NoHandle;
+ }
+
+ return self;
+}
+
+- (TikzDocument*) doc {
+ return [renderer document];
+}
+
+- (void) deselectAllNodes {
+ [[[self doc] pickSupport] deselectAllNodes];
+}
+
+- (void) deselectAllEdges {
+ [[[self doc] pickSupport] deselectAllEdges];
+}
+
+- (void) deselectAll {
+ [[[self doc] pickSupport] deselectAllNodes];
+ [[[self doc] pickSupport] deselectAllEdges];
+}
+
+- (void) shiftNodesByMovingLeader:(Node*)leader to:(NSPoint)to {
+ Transformer *transformer = [renderer transformer];
+
+ NSPoint from = [transformer toScreen:[leader point]];
+ //to = [[renderer grid] snapScreenPoint:to];
+ float dx = to.x - from.x;
+ float dy = to.y - from.y;
+
+ for (Node *node in [[[self doc] pickSupport] selectedNodes]) {
+ NSPoint p = [transformer toScreen:[node point]];
+ p.x += dx;
+ p.y += dy;
+ p = [[renderer grid] snapScreenPoint:p];
+ [node setPoint:[transformer fromScreen:p]];
+ }
+}
+
+- (float) edgeFuzz {
+ return edgeFuzz;
+}
+
+- (void) setEdgeFuzz:(float)fuzz {
+ edgeFuzz = fuzz;
+}
+
+- (InputMode) mode {
+ return mode;
+}
+
+- (void) resetState {
+ state = QuietState;
+}
+
+- (void) setMode:(InputMode)m {
+ if (mode != m) {
+ if (mode == BoundingBoxMode) {
+ [renderer setBoundingBoxHandlesShown:NO];
+ }
+ mode = m;
+ [self deselectAll];
+ if (m == BoundingBoxMode) {
+ [renderer setBoundingBoxHandlesShown:YES];
+ }
+ }
+}
+
+- (BOOL) circleWithCenter:(NSPoint)c andRadius:(float)r containsPoint:(NSPoint)p {
+ return (NSDistanceBetweenPoints(c, p) <= r);
+}
+
+- (void) lookForControlPointAt:(NSPoint)pos {
+ const float cpr = [Edge controlPointRadius];
+ for (Edge *e in [[[self doc] pickSupport] selectedEdges]) {
+ NSPoint cp1 = [[renderer transformer] toScreen:[e cp1]];
+ if ([self circleWithCenter:cp1 andRadius:cpr containsPoint:pos]) {
+ state = DragEdgeControlPoint1;
+ modifyEdge = e;
+ [[self doc] startModifyEdge:e];
+ return;
+ }
+ NSPoint cp2 = [[renderer transformer] toScreen:[e cp2]];
+ if ([self circleWithCenter:cp2 andRadius:cpr containsPoint:pos]) {
+ state = DragEdgeControlPoint2;
+ modifyEdge = e;
+ [[self doc] startModifyEdge:e];
+ return;
+ }
+ }
+}
+
+- (void) mousePressAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask {
+ dragOrigin = pos;
+
+ // we should already be in a quiet state, but no harm in making sure
+ state = QuietState;
+
+ if (mode == HandMode || mask == ControlMask) {
+ state = CanvasDragState;
+ oldOrigin = [[renderer transformer] origin];
+ } else if (mode == DrawEdgeMode) {
+ leaderNode = [renderer anyNodeAt:pos];
+ if (leaderNode != nil) {
+ state = EdgeDragState;
+ }
+ } else if (mode == BoundingBoxMode) {
+ state = BoundingBoxState;
+ grabbedResizeHandle = [renderer boundingBoxResizeHandleAt:pos];
+ [[self doc] startChangeBoundingBox];
+ if (grabbedResizeHandle == NoHandle) {
+ [[[self doc] graph] setBoundingBox:NSZeroRect];
+ [renderer setBoundingBoxHandlesShown:NO];
+ }
+ } else if (mode == SelectMode) {
+ modifyEdge = nil;
+ [self lookForControlPointAt:pos];
+
+ if (modifyEdge == nil) {
+ // we didn't find a control point
+
+ BOOL unionSelect = (mask & unionSelectMask);
+
+ leaderNode = [renderer anyNodeAt:pos];
+ // if we hit a node, deselect other nodes (if Shift is up) and go to move mode
+ if (leaderNode != nil) {
+ BOOL alreadySelected = [[self doc] isNodeSelected:leaderNode];
+ if (!unionSelect && !alreadySelected) {
+ [self deselectAllEdges];
+ [self deselectAllNodes];
+ }
+ if (unionSelect && alreadySelected) {
+ state = ToggleSelectState;
+ } else {
+ [[[self doc] pickSupport] selectNode:leaderNode];
+ state = MoveSelectedNodesState;
+ oldLeaderPos = [leaderNode point];
+ [[self doc] startShiftNodes:[[[self doc] pickSupport] selectedNodes]];
+ }
+ }
+
+ // if mouse did not hit a node, check if mouse hit an edge
+ if (leaderNode == nil) {
+ Edge *edge = [renderer anyEdgeAt:pos withFuzz:edgeFuzz];
+ if (edge != nil) {
+ BOOL alreadySelected = [[self doc] isEdgeSelected:edge];
+ if (!unionSelect) {
+ [self deselectAll];
+ }
+ if (unionSelect && alreadySelected) {
+ [[[self doc] pickSupport] deselectEdge:edge];
+ } else {
+ [[[self doc] pickSupport] selectEdge:edge];
+ }
+ } else {
+ // if mouse did not hit anything, put us in box mode
+ if (!unionSelect) {
+ [self deselectAll];
+ }
+ [selectionBoxContents removeAllObjects];
+ state = SelectBoxState;
+ }
+ }
+ }
+ }
+}
+
+- (void) mouseReleaseAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask {
+ if (state == SelectBoxState) {
+ BOOL shouldDeselect = !(mask & unionSelectMask);
+ if (shouldDeselect) {
+ [self deselectAllEdges];
+ }
+ [[[self doc] pickSupport] selectAllNodes:selectionBoxContents
+ replacingSelection:shouldDeselect];
+ [renderer clearSelectionBox];
+ } else if (state == ToggleSelectState) {
+ [[[self doc] pickSupport] deselectNode:leaderNode];
+ leaderNode = nil;
+ } else if (state == MoveSelectedNodesState) {
+ if (NSEqualPoints (oldLeaderPos, [leaderNode point])) {
+ [[self doc] cancelShiftNodes];
+ } else {
+ [[self doc] endShiftNodes];
+ }
+ leaderNode = nil;
+ } else if (state == DragEdgeControlPoint1 || state == DragEdgeControlPoint2) {
+ // FIXME: check if there was any real change
+ [[self doc] endModifyEdge];
+ } else if (state == EdgeDragState) {
+ [renderer clearHalfEdge];
+ Node *targ = [renderer anyNodeAt:pos];
+ if (targ != nil) {
+ [[self doc] addEdgeFrom:leaderNode to:targ];
+ }
+ } else if (state == QuietState && mode == CreateNodeMode) {
+ Transformer *transformer = [renderer transformer];
+ NSPoint nodePoint = [transformer fromScreen:[[renderer grid] snapScreenPoint:pos]];
+ [[self doc] addNodeAt:nodePoint];
+ } else if (state == BoundingBoxState) {
+ [[self doc] endChangeBoundingBox];
+ [renderer setBoundingBoxHandlesShown:YES];
+ }
+
+ state = QuietState;
+}
+
+- (void) mouseDoubleClickAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask {
+ if (mode != SelectMode) {
+ return;
+ }
+ if (state != QuietState) {
+ return;
+ }
+ // convert bend mode on edge under mouse cursor
+ Edge *edge = [renderer anyEdgeAt:pos withFuzz:edgeFuzz];
+ if (edge != nil) {
+ [[self doc] startModifyEdge:edge];
+ if ([edge bendMode]==EdgeBendModeBasic) {
+ [edge convertBendToAngles];
+ [edge setBendMode:EdgeBendModeInOut];
+ } else {
+ [edge setBendMode:EdgeBendModeBasic];
+ }
+ [[self doc] endModifyEdge];
+
+ [self deselectAllEdges];
+ [[[self doc] pickSupport] selectEdge:edge];
+ }
+}
+
+- (void) mouseMoveTo:(NSPoint)pos withButtons:(MouseButton)buttons andMask:(InputMask)mask {
+ Transformer *transformer = [renderer transformer];
+
+ if (state == ToggleSelectState) {
+ state = MoveSelectedNodesState;
+ oldLeaderPos = [leaderNode point];
+ [[self doc] startShiftNodes:[[[self doc] pickSupport] selectedNodes]];
+ }
+
+ if (state == SelectBoxState) {
+ NSRect selectionBox = NSRectAroundPoints(dragOrigin, pos);
+ [renderer setSelectionBox:selectionBox];
+
+ NSEnumerator *enumerator = [[self doc] nodeEnumerator];
+ Node *node;
+ while ((node = [enumerator nextObject]) != nil) {
+ NSPoint nodePos = [transformer toScreen:[node point]];
+ if (NSPointInRect(nodePos, selectionBox)) {
+ if (![selectionBoxContents member:node]) {
+ [selectionBoxContents addObject:node];
+ [renderer invalidateNode:node];
+ }
+ } else {
+ if ([selectionBoxContents member:node]) {
+ [selectionBoxContents removeObject:node];
+ [renderer invalidateNode:node];
+ }
+ }
+ }
+ } else if (state == MoveSelectedNodesState) {
+ if (leaderNode != nil) {
+ [self shiftNodesByMovingLeader:leaderNode to:pos];
+ NSPoint shiftSoFar;
+ shiftSoFar.x = [leaderNode point].x - oldLeaderPos.x;
+ shiftSoFar.y = [leaderNode point].y - oldLeaderPos.y;
+ [[self doc] shiftNodesUpdate:shiftSoFar];
+ }
+ } else if (state == DragEdgeControlPoint1 || state == DragEdgeControlPoint2) {
+ // invalidate once before we start changing it: we may be shrinking
+ // the control circles
+ [[self doc] modifyEdgeCheckPoint];
+ if (state == DragEdgeControlPoint1) {
+ [modifyEdge moveCp1To:[transformer fromScreen:pos]
+ withWeightCourseness:0.1f
+ andBendCourseness:15
+ forceLinkControlPoints:(mask & ControlMask)];
+ } else {
+ [modifyEdge moveCp2To:[transformer fromScreen:pos]
+ withWeightCourseness:0.1f
+ andBendCourseness:15
+ forceLinkControlPoints:(mask & ControlMask)];
+ }
+ [[self doc] modifyEdgeCheckPoint];
+ } else if (state == EdgeDragState) {
+ [renderer setHalfEdgeFrom:leaderNode to:pos];
+ } else if (state == BoundingBoxState) {
+ Grid *grid = [renderer grid];
+ Graph *graph = [[self doc] graph];
+ if (grabbedResizeHandle == NoHandle) {
+ NSRect bbox = NSRectAroundPoints(
+ [grid snapScreenPoint:dragOrigin],
+ [grid snapScreenPoint:pos]
+ );
+ [graph setBoundingBox:[transformer rectFromScreen:bbox]];
+ } else {
+ NSRect bbox = [transformer rectToScreen:[graph boundingBox]];
+ NSPoint p2 = [grid snapScreenPoint:pos];
+
+ if (grabbedResizeHandle == NorthWestHandle ||
+ grabbedResizeHandle == NorthHandle ||
+ grabbedResizeHandle == NorthEastHandle) {
+
+ float dy = p2.y - NSMinY(bbox);
+ if (dy < bbox.size.height) {
+ bbox.origin.y += dy;
+ bbox.size.height -= dy;
+ } else {
+ bbox.origin.y = NSMaxY(bbox);
+ bbox.size.height = 0;
+ }
+
+ } else if (grabbedResizeHandle == SouthWestHandle ||
+ grabbedResizeHandle == SouthHandle ||
+ grabbedResizeHandle == SouthEastHandle) {
+
+ float dy = p2.y - NSMaxY(bbox);
+ if (-dy < bbox.size.height) {
+ bbox.size.height += dy;
+ } else {
+ bbox.size.height = 0;
+ }
+ }
+
+ if (grabbedResizeHandle == NorthWestHandle ||
+ grabbedResizeHandle == WestHandle ||
+ grabbedResizeHandle == SouthWestHandle) {
+
+ float dx = p2.x - NSMinX(bbox);
+ if (dx < bbox.size.width) {
+ bbox.origin.x += dx;
+ bbox.size.width -= dx;
+ } else {
+ bbox.origin.x = NSMaxX(bbox);
+ bbox.size.width = 0;
+ }
+
+ } else if (grabbedResizeHandle == NorthEastHandle ||
+ grabbedResizeHandle == EastHandle ||
+ grabbedResizeHandle == SouthEastHandle) {
+
+ float dx = p2.x - NSMaxX(bbox);
+ if (-dx < bbox.size.width) {
+ bbox.size.width += dx;
+ } else {
+ bbox.size.width = 0;
+ }
+ }
+ [graph setBoundingBox:[transformer rectFromScreen:bbox]];
+ }
+ [[self doc] changeBoundingBoxCheckPoint];
+ } else if (state == CanvasDragState) {
+ NSPoint newOrigin = oldOrigin;
+ newOrigin.x += pos.x - dragOrigin.x;
+ newOrigin.y += pos.y - dragOrigin.y;
+ [[renderer transformer] setOrigin:newOrigin];
+ [renderer invalidateGraph];
+ }
+}
+
+- (void) mouseScrolledAt:(NSPoint)pos inDirection:(ScrollDirection)dir withMask:(InputMask)mask {
+ if (mask == ControlMask) {
+ if (dir == ScrollUp) {
+ [[renderer surface] zoomInAboutPoint:pos];
+ } else if (dir == ScrollDown) {
+ [[renderer surface] zoomOutAboutPoint:pos];
+ }
+ }
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/GraphRenderer.h b/tikzit/src/linux/GraphRenderer.h
new file mode 100644
index 0000000..4609766
--- /dev/null
+++ b/tikzit/src/linux/GraphRenderer.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+
+// classes
+#import "Graph.h"
+#import "Grid.h"
+#import "PickSupport.h"
+#import "TikzDocument.h"
+
+// protocols
+#import "Surface.h"
+
+typedef enum {
+ NoHandle,
+ EastHandle,
+ SouthEastHandle,
+ SouthHandle,
+ SouthWestHandle,
+ WestHandle,
+ NorthWestHandle,
+ NorthHandle,
+ NorthEastHandle
+} ResizeHandle;
+
+@interface GraphRenderer: NSObject <RenderDelegate> {
+ TikzDocument *doc;
+ NSObject<Surface> *surface;
+ Grid *grid;
+ NSRect selectionBox;
+ Node *halfEdgeOrigin;
+ NSPoint halfEdgeOriginPoint;
+ NSPoint halfEdgeEnd;
+ BOOL showBoundingBoxHandles;
+}
+
+- (id) initWithSurface:(NSObject <Surface> *)surface;
+- (id) initWithSurface:(NSObject <Surface> *)surface document:(TikzDocument*)document;
+- (void) renderWithContext:(id<RenderContext>)context;
+- (void) invalidateGraph;
+- (void) invalidateNode:(Node*)node;
+- (void) invalidateEdge:(Edge*)edge;
+- (void) invalidateNodesHitBy:(NSPoint)point;
+- (BOOL) point:(NSPoint)p hitsNode:(Node*)node;
+- (BOOL) point:(NSPoint)p hitsEdge:(Edge*)edge withFuzz:(float)fuzz;
+/**
+ * Finds a node at the given screen location.
+ *
+ * If there is more than one node at this point (because they overlap),
+ * an arbitrary one is returned.
+ */
+- (Node*) anyNodeAt:(NSPoint)p;
+/**
+ * Finds an edge at the given screen location.
+ *
+ * If there is more than one edge at this point (because they overlap),
+ * an arbitrary one is returned.
+ *
+ * @param fuzz the fuzz for detecting edges: this will pick up
+ * edges that are close to the point
+ */
+- (Edge*) anyEdgeAt:(NSPoint)p withFuzz:(float)fuzz;
+
+- (id<Surface>) surface;
+- (Transformer*) transformer;
+- (Grid*) grid;
+- (PickSupport*) pickSupport;
+
+- (Graph*) graph;
+
+- (TikzDocument*) document;
+- (void) setDocument:(TikzDocument*)document;
+
+- (NSRect) selectionBox;
+- (void) setSelectionBox:(NSRect)box;
+- (void) clearSelectionBox;
+
+- (void) setHalfEdgeFrom:(Node*)origin to:(NSPoint)end;
+- (void) clearHalfEdge;
+
+- (BOOL) boundingBoxHandlesShown;
+- (void) setBoundingBoxHandlesShown:(BOOL)shown;
+
+- (ResizeHandle) boundingBoxResizeHandleAt:(NSPoint)point;
+- (NSRect) boundingBoxResizeHandleRect:(ResizeHandle)handle;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/GraphRenderer.m b/tikzit/src/linux/GraphRenderer.m
new file mode 100644
index 0000000..c964f1b
--- /dev/null
+++ b/tikzit/src/linux/GraphRenderer.m
@@ -0,0 +1,607 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ * Copyright 2010 Chris Heunen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "GraphRenderer.h"
+#import "Edge+Render.h"
+#import "Node+Render.h"
+
+static const float size = 5.0;
+
+float sideHandleTop(NSRect bbox) {
+ return (NSMinY(bbox) + NSMaxY(bbox) - size)/2.0f;
+}
+
+float tbHandleLeft(NSRect bbox) {
+ return (NSMinX(bbox) + NSMaxX(bbox) - size)/2.0f;
+}
+void graph_renderer_expose_event(GtkWidget *widget, GdkEventExpose *event);
+
+@interface GraphRenderer (Private)
+- (BOOL) selectionBoxContainsNode:(Node*)node;
+- (BOOL) halfEdgeIncludesNode:(Node*)node;
+- (enum NodeState) nodeState:(Node*)node;
+- (void) renderBoundingBoxWithContext:(id<RenderContext>)context;
+- (void) renderSelectionBoxWithContext:(id<RenderContext>)context;
+- (void) renderImpendingEdgeWithContext:(id<RenderContext>)context;
+- (void) nodeNeedsRefreshing:(NSNotification*)notification;
+- (void) edgeNeedsRefreshing:(NSNotification*)notification;
+- (void) graphNeedsRefreshing:(NSNotification*)notification;
+- (void) graphChanged:(NSNotification*)notification;
+- (void) nodeStylePropertyChanged:(NSNotification*)notification;
+- (void) edgeStylePropertyChanged:(NSNotification*)notification;
+@end
+
+@implementation GraphRenderer
+
+- (id) initWithSurface:(NSObject <Surface> *)s {
+ self = [super init];
+
+ if (self) {
+ surface = [s retain];
+ doc = nil;
+ grid = [[Grid alloc] initWithSpacing:1.0f subdivisions:4 transformer:[s transformer]];
+ halfEdgeOrigin = nil;
+ [surface setRenderDelegate:self];
+
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(nodeStylePropertyChanged:)
+ name:@"NodeStylePropertyChanged"
+ object:nil];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(edgeStylePropertyChanged:)
+ name:@"EdgeStylePropertyChanged"
+ object:nil];
+ }
+
+ return self;
+}
+
+- (id) initWithSurface:(NSObject <Surface> *)s document:(TikzDocument*)document {
+ self = [self initWithSurface:s];
+
+ if (self) {
+ [self setDocument:document];
+ }
+
+ return self;
+}
+
+- (void) dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+ [doc release];
+ [grid release];
+ [surface release];
+
+ [super dealloc];
+}
+
+- (void) renderWithContext:(id<RenderContext>)context onSurface:(id<Surface>)surface {
+ [self renderWithContext:context];
+}
+
+- (void) renderWithContext:(id<RenderContext>)context {
+ // blank surface
+ [context paintWithColor:WhiteRColor];
+
+ // draw grid
+ [grid renderGridInContext:context];
+
+ // draw edges
+ NSEnumerator *enumerator = [doc edgeEnumerator];
+ Edge *edge;
+ while ((edge = [enumerator nextObject]) != nil) {
+ [edge renderToSurface:surface withContext:context selected:[doc isEdgeSelected:edge]];
+ }
+
+ // draw nodes
+ enumerator = [doc nodeEnumerator];
+ Node *node;
+ while ((node = [enumerator nextObject]) != nil) {
+ [node renderToSurface:surface withContext:context state:[self nodeState:node]];
+ }
+
+ [self renderBoundingBoxWithContext:context];
+ [self renderSelectionBoxWithContext:context];
+ [self renderImpendingEdgeWithContext:context];
+}
+
+- (void) invalidateGraph {
+ [surface invalidate];
+}
+
+- (void) invalidateNodes:(NSSet*)nodes {
+ for (Node *node in nodes) {
+ [self invalidateNode:node];
+ }
+}
+
+- (void) invalidateEdges:(NSSet*)edges {
+ for (Edge *edge in edges) {
+ [self invalidateEdge:edge];
+ }
+}
+
+- (void) invalidateNode:(Node*)node {
+ if (node == nil) {
+ return;
+ }
+ NSRect nodeRect = [node boundsWithLabelOnSurface:surface];
+ nodeRect = NSInsetRect (nodeRect, -2.0f, -2.0f);
+ [surface invalidateRect:nodeRect];
+}
+
+- (void) invalidateEdge:(Edge*)edge {
+ if (edge == nil) {
+ return;
+ }
+ BOOL selected = [doc isEdgeSelected:edge];
+ NSRect edgeRect = [edge renderedBoundsWithTransformer:[surface transformer] whenSelected:selected];
+ edgeRect = NSInsetRect (edgeRect, -2.0f, -2.0f);
+ [surface invalidateRect:edgeRect];
+}
+
+- (void) invalidateNodesHitBy:(NSPoint)point {
+ NSEnumerator *enumerator = [doc nodeEnumerator];
+ Node *node = nil;
+ while ((node = [enumerator nextObject]) != nil) {
+ if ([self point:point hitsNode:node]) {
+ [self invalidateNode:node];
+ }
+ }
+}
+
+- (BOOL) point:(NSPoint)p hitsNode:(Node*)node {
+ return [node hitByPoint:p onSurface:surface];
+}
+
+- (BOOL) point:(NSPoint)p fuzzyHitsNode:(Node*)node {
+ NSRect bounds = [node boundsOnSurface:surface];
+ return NSPointInRect(p, bounds);
+}
+
+- (BOOL) point:(NSPoint)p hitsEdge:(Edge*)edge withFuzz:(float)fuzz {
+ return [edge hitByPoint:p onSurface:surface withFuzz:fuzz];
+}
+
+- (Node*) anyNodeAt:(NSPoint)p {
+ NSEnumerator *enumerator = [doc nodeEnumerator];
+ Node *node;
+ while ((node = [enumerator nextObject]) != nil) {
+ if ([self point:p hitsNode:node]) {
+ return node;
+ }
+ }
+ return nil;
+}
+
+- (Edge*) anyEdgeAt:(NSPoint)p withFuzz:(float)fuzz {
+ // FIXME: is there an efficient way to find the "nearest" edge
+ // if the fuzz is the reason we hit more than one?
+ NSEnumerator *enumerator = [doc edgeEnumerator];
+ Edge *edge;
+ while ((edge = [enumerator nextObject]) != nil) {
+ if ([self point:p hitsEdge:edge withFuzz:fuzz]) {
+ return edge;
+ }
+ }
+ return nil;
+}
+
+- (id<Surface>) surface {
+ return surface;
+}
+
+- (Transformer*) transformer {
+ return [surface transformer];
+}
+
+- (Grid*) grid {
+ return grid;
+}
+
+- (PickSupport*) pickSupport {
+ return [doc pickSupport];
+}
+
+- (Graph*) graph {
+ return [doc graph];
+}
+
+- (TikzDocument*) document {
+ return doc;
+}
+
+- (void) setDocument:(TikzDocument*)document {
+ if (doc == document) {
+ return;
+ }
+
+ if (doc != nil) {
+ [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:doc];
+ [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:[doc pickSupport]];
+ }
+
+ [document retain];
+ [doc release];
+ doc = document;
+
+ if (doc != nil) {
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(graphNeedsRefreshing:)
+ name:@"GraphReplaced" object:doc];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(graphChanged:)
+ name:@"GraphChanged" object:doc];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(graphChanged:)
+ name:@"GraphBeingChanged" object:doc];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(graphChanged:)
+ name:@"GraphChangeCancelled" object:doc];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(nodeNeedsRefreshing:)
+ name:@"NodeSelected" object:[doc pickSupport]];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(nodeNeedsRefreshing:)
+ name:@"NodeDeselected" object:[doc pickSupport]];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(graphNeedsRefreshing:)
+ name:@"NodeSelectionReplaced" object:[doc pickSupport]];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(edgeNeedsRefreshing:)
+ name:@"EdgeSelected" object:[doc pickSupport]];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(edgeNeedsRefreshing:)
+ name:@"EdgeDeselected" object:[doc pickSupport]];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(graphNeedsRefreshing:)
+ name:@"EdgeSelectionReplaced" object:[doc pickSupport]];
+ }
+ [surface invalidate];
+}
+
+- (NSRect) selectionBox {
+ return selectionBox;
+}
+
+- (void) setSelectionBox:(NSRect)box {
+ NSRect invRect = NSUnionRect (selectionBox, box);
+ selectionBox = box;
+ [surface invalidateRect:NSInsetRect (invRect, -2, -2)];
+}
+
+- (void) clearSelectionBox {
+ NSRect oldRect = selectionBox;
+
+ NSRect emptyRect;
+ selectionBox = emptyRect;
+
+ [surface invalidateRect:NSInsetRect (oldRect, -2, -2)];
+}
+
+- (void) invalidateHalfEdge {
+ if (halfEdgeOrigin != nil) {
+ NSRect invRect = NSRectAroundPoints(halfEdgeEnd, halfEdgeOriginPoint);
+ invRect = NSUnionRect(invRect, [halfEdgeOrigin boundsWithLabelOnSurface:surface]);
+
+ NSEnumerator *enumerator = [doc nodeEnumerator];
+ Node *node;
+ while ((node = [enumerator nextObject]) != nil) {
+ if ([self point:halfEdgeEnd fuzzyHitsNode:node]) {
+ invRect = NSUnionRect(invRect, [node boundsWithLabelOnSurface:surface]);
+ }
+ }
+ [surface invalidateRect:NSInsetRect (invRect, -2.0f, -2.0f)];
+ }
+}
+
+- (void) setHalfEdgeFrom:(Node*)origin to:(NSPoint)end {
+ [self invalidateHalfEdge];
+
+ if (halfEdgeOrigin != origin) {
+ [self invalidateNode:halfEdgeOrigin];
+ halfEdgeOrigin = origin;
+ halfEdgeOriginPoint = [[surface transformer] toScreen:[origin point]];
+ [self invalidateNode:origin];
+ }
+
+ if (origin != nil) {
+ halfEdgeEnd = end;
+ [self invalidateHalfEdge];
+ }
+}
+
+- (void) clearHalfEdge {
+ [self invalidateHalfEdge];
+ halfEdgeOrigin = nil;
+}
+
+- (BOOL) boundingBoxHandlesShown {
+ return showBoundingBoxHandles;
+}
+
+- (void) setBoundingBoxHandlesShown:(BOOL)shown {
+ if (showBoundingBoxHandles != shown) {
+ showBoundingBoxHandles = shown;
+ [self invalidateGraph];
+ }
+}
+
+- (ResizeHandle) boundingBoxResizeHandleAt:(NSPoint)p {
+ NSRect bbox = [[surface transformer] rectToScreen:[[self graph] boundingBox]];
+ if (p.x >= NSMaxX(bbox)) {
+ if (p.x <= NSMaxX(bbox) + size) {
+ if (p.y >= NSMaxY(bbox)) {
+ if (p.y <= NSMaxY(bbox) + size) {
+ return SouthEastHandle;
+ }
+ } else if (p.y <= NSMinY(bbox)) {
+ if (p.y >= NSMinY(bbox) - size) {
+ return NorthEastHandle;
+ }
+ } else {
+ float eastHandleTop = sideHandleTop(bbox);
+ if (p.y >= eastHandleTop && p.y <= (eastHandleTop + size)) {
+ return EastHandle;
+ }
+ }
+ }
+ } else if (p.x <= NSMinX(bbox)) {
+ if (p.x >= NSMinX(bbox) - size) {
+ if (p.y >= NSMaxY(bbox)) {
+ if (p.y <= NSMaxY(bbox) + size) {
+ return SouthWestHandle;
+ }
+ } else if (p.y <= NSMinY(bbox)) {
+ if (p.y >= NSMinY(bbox) - size) {
+ return NorthWestHandle;
+ }
+ } else {
+ float westHandleTop = sideHandleTop(bbox);
+ if (p.y >= westHandleTop && p.y <= (westHandleTop + size)) {
+ return WestHandle;
+ }
+ }
+ }
+ } else if (p.y >= NSMaxY(bbox)) {
+ if (p.y <= NSMaxY(bbox) + size) {
+ return SouthHandle;
+ }
+ } else if (p.y <= NSMinY(bbox)) {
+ if (p.y >= NSMinY(bbox) - size) {
+ return NorthHandle;
+ }
+ }
+ return NoHandle;
+}
+
+- (NSRect) boundingBoxResizeHandleRect:(ResizeHandle)handle {
+ if (![[self graph] hasBoundingBox]) {
+ return NSZeroRect;
+ }
+ NSRect bbox = [[surface transformer] rectToScreen:[[self graph] boundingBox]];
+ switch (handle) {
+ case EastHandle:
+ return NSMakeRect(NSMaxX(bbox), sideHandleTop(bbox), size, size);
+ case SouthEastHandle:
+ return NSMakeRect(NSMaxX(bbox), NSMaxY(bbox), size, size);
+ case SouthHandle:
+ return NSMakeRect(tbHandleLeft(bbox), NSMaxY(bbox), size, size);
+ case SouthWestHandle:
+ return NSMakeRect(NSMaxX(bbox), NSMinY(bbox) - size, size, size);
+ case WestHandle:
+ return NSMakeRect(NSMinX(bbox) - size, sideHandleTop(bbox), size, size);
+ case NorthWestHandle:
+ return NSMakeRect(NSMinX(bbox) - size, NSMinY(bbox) - size, size, size);
+ case NorthHandle:
+ return NSMakeRect(tbHandleLeft(bbox), NSMinY(bbox) - size, size, size);
+ case NorthEastHandle:
+ return NSMakeRect(NSMinX(bbox) - size, NSMaxY(bbox), size, size);
+ default:
+ return NSZeroRect;
+ }
+}
+
+@end
+
+@implementation GraphRenderer (Private)
+- (BOOL) selectionBoxContainsNode:(Node*)node {
+ return !NSIsEmptyRect (selectionBox)
+ && NSPointInRect([[surface transformer] toScreen:[node point]], selectionBox);
+}
+- (BOOL) halfEdgeIncludesNode:(Node*)node {
+ if (halfEdgeOrigin == nil) {
+ return FALSE;
+ }
+ return halfEdgeOrigin == node || [self point:halfEdgeEnd hitsNode:node];
+}
+- (enum NodeState) nodeState:(Node*)node {
+ if ([doc isNodeSelected:node]) {
+ return NodeSelected;
+ } else if ([self selectionBoxContainsNode:node] || [self halfEdgeIncludesNode:node]) {
+ return NodeHighlighted;
+ } else {
+ return NodeNormal;
+ }
+}
+
+- (void) renderBoundingBoxWithContext:(id<RenderContext>)context {
+ if ([[self graph] hasBoundingBox]) {
+ [context saveState];
+
+ NSRect bbox = [[surface transformer] rectToScreen:[[self graph] boundingBox]];
+
+ [context setAntialiasMode:AntialiasDisabled];
+ [context setLineWidth:1.0];
+ [context startPath];
+ [context rect:bbox];
+ [context strokePathWithColor:MakeSolidRColor (1.0, 0.7, 0.5)];
+
+ if ([self boundingBoxHandlesShown]) {
+ [context startPath];
+ [context rect:[self boundingBoxResizeHandleRect:EastHandle]];
+ [context rect:[self boundingBoxResizeHandleRect:SouthEastHandle]];
+ [context rect:[self boundingBoxResizeHandleRect:SouthHandle]];
+ [context rect:[self boundingBoxResizeHandleRect:SouthWestHandle]];
+ [context rect:[self boundingBoxResizeHandleRect:WestHandle]];
+ [context rect:[self boundingBoxResizeHandleRect:NorthWestHandle]];
+ [context rect:[self boundingBoxResizeHandleRect:NorthHandle]];
+ [context rect:[self boundingBoxResizeHandleRect:NorthEastHandle]];
+ [context strokePathWithColor:MakeSolidRColor (0.5, 0.5, 0.5)];
+ }
+
+ [context restoreState];
+ }
+}
+
+- (void) renderSelectionBoxWithContext:(id<RenderContext>)context {
+ if (!NSIsEmptyRect (selectionBox)) {
+ [context saveState];
+
+ [context setAntialiasMode:AntialiasDisabled];
+ [context setLineWidth:1.0];
+ [context startPath];
+ [context rect:selectionBox];
+ RColor fColor = MakeRColor (0.8, 0.8, 0.8, 0.2);
+ RColor sColor = MakeSolidRColor (0.6, 0.6, 0.6);
+ [context strokePathWithColor:sColor andFillWithColor:fColor];
+
+ [context restoreState];
+ }
+}
+
+- (void) renderImpendingEdgeWithContext:(id<RenderContext>)context {
+ if (halfEdgeOrigin == nil) {
+ return;
+ }
+ [context saveState];
+
+ [context setLineWidth:1.0];
+ [context startPath];
+ [context moveTo:halfEdgeOriginPoint];
+ [context lineTo:halfEdgeEnd];
+ [context strokePathWithColor:MakeRColor (0, 0, 0, 0.5)];
+
+ [context restoreState];
+}
+
+- (void) nodeNeedsRefreshing:(NSNotification*)notification {
+ [self invalidateNode:[[notification userInfo] objectForKey:@"node"]];
+}
+
+- (void) edgeNeedsRefreshing:(NSNotification*)notification {
+ Edge *edge = [[notification userInfo] objectForKey:@"edge"];
+ NSRect edgeRect = [edge renderedBoundsWithTransformer:[surface transformer] whenSelected:YES];
+ edgeRect = NSInsetRect (edgeRect, -2, -2);
+ [surface invalidateRect:edgeRect];
+}
+
+- (void) graphNeedsRefreshing:(NSNotification*)notification {
+ [self invalidateGraph];
+}
+
+- (void) graphChanged:(NSNotification*)notification {
+ GraphChange *change = [[notification userInfo] objectForKey:@"change"];
+ switch ([change changeType]) {
+ case GraphAddition:
+ case GraphDeletion:
+ [self invalidateNodes:[change affectedNodes]];
+ [self invalidateEdges:[change affectedEdges]];
+ break;
+ case NodePropertyChange:
+ if (!NSEqualPoints ([[change oldNode] point], [[change nwNode] point])) {
+ // if the node has moved, it may be affecting edges
+ [surface invalidate];
+ } else {
+ // invalide both old and new (old node may be larger)
+ [self invalidateNode:[change oldNode]];
+ [self invalidateNode:[change nwNode]];
+ }
+ break;
+ case EdgePropertyChange:
+ // invalide both old and new (old bend may increase bounds)
+ [self invalidateEdge:[change oldEdge]];
+ [self invalidateEdge:[change nwEdge]];
+ [self invalidateEdge:[change edgeRef]];
+ break;
+ case NodesPropertyChange:
+ {
+ NSEnumerator *enumerator = [[change oldNodeTable] keyEnumerator];
+ Node *node = nil;
+ while ((node = [enumerator nextObject]) != nil) {
+ NSPoint oldPos = [[[change oldNodeTable] objectForKey:node] point];
+ NSPoint newPos = [[[change nwNodeTable] objectForKey:node] point];
+ if (NSEqualPoints (oldPos, newPos)) {
+ [self invalidateNode:[[change oldNodeTable] objectForKey:node]];
+ [self invalidateNode:[[change nwNodeTable] objectForKey:node]];
+ } else {
+ [surface invalidate];
+ break;
+ }
+ }
+ }
+ break;
+ case NodesShift:
+ case NodesFlip:
+ case BoundingBoxChange:
+ [surface invalidate];
+ break;
+ default:
+ // unknown change
+ [surface invalidate];
+ break;
+ };
+}
+
+- (void) nodeStylePropertyChanged:(NSNotification*)notification {
+ if (![@"name" isEqual:[[notification userInfo] objectForKey:@"propertyName"]]) {
+ BOOL affected = NO;
+ for (Node *node in [[self graph] nodes]) {
+ if ([node style] == [notification object])
+ affected = YES;
+ }
+ if (affected)
+ [surface invalidate];
+ }
+}
+
+- (void) edgeStylePropertyChanged:(NSNotification*)notification {
+ if (![@"name" isEqual:[[notification userInfo] objectForKey:@"propertyName"]]) {
+ BOOL affected = NO;
+ for (Edge *edge in [[self graph] edges]) {
+ if ([edge style] == [notification object])
+ affected = YES;
+ }
+ if (affected)
+ [surface invalidate];
+ }
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/InputDelegate.h b/tikzit/src/linux/InputDelegate.h
new file mode 100644
index 0000000..1e35223
--- /dev/null
+++ b/tikzit/src/linux/InputDelegate.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+
+typedef enum {
+ LeftButton = 1,
+ MiddleButton = 2,
+ RightButton = 3,
+ Button4 = 4,
+ Button5 = 5
+} MouseButton;
+
+typedef enum {
+ ShiftMask = 1,
+ ControlMask = 2,
+ MetaMask = 4
+} InputMask;
+
+typedef enum {
+ ScrollUp = 1,
+ ScrollDown = 2,
+ ScrollLeft = 3,
+ ScrollRight = 4,
+} ScrollDirection;
+
+@interface NSObject (InputDelegate)
+/**
+ * A mouse button was pressed.
+ */
+- (void) mousePressAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask;
+/**
+ * A mouse button was released.
+ */
+- (void) mouseReleaseAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask;
+/**
+ * A mouse button was double-clicked.
+ *
+ * Note that mouseDown and mouseUp events will still be delivered.
+ * This will be triggered between the second mouseDown and the second
+ * mouseUp.
+ */
+- (void) mouseDoubleClickAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask;
+/**
+ * The mouse was moved
+ */
+- (void) mouseMoveTo:(NSPoint)pos withButtons:(MouseButton)button andMask:(InputMask)mask;
+/**
+ * The mouse was scrolled
+ */
+- (void) mouseScrolledAt:(NSPoint)pos inDirection:(ScrollDirection)dir withMask:(InputMask)mask;
+/**
+ * A key was pressed
+ */
+- (void) keyPressed:(unsigned int)keyVal withMask:(InputMask)mask;
+/**
+ * A key was released
+ */
+- (void) keyReleased:(unsigned int)keyVal withMask:(InputMask)mask;
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/MainWindow.h b/tikzit/src/linux/MainWindow.h
new file mode 100644
index 0000000..8d3c583
--- /dev/null
+++ b/tikzit/src/linux/MainWindow.h
@@ -0,0 +1,215 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+#import "WidgetSurface.h"
+
+@class Configuration;
+@class GraphRenderer;
+@class GraphInputHandler;
+@class Menu;
+@class StylesPalette;
+@class StyleManager;
+@class PropertyPane;
+@class Preambles;
+@class PreambleEditor;
+@class PreviewWindow;
+@class TikzDocument;
+
+/**
+ * Manages the main application window
+ */
+@interface MainWindow: NSObject {
+ // the main application configuration
+ Configuration *configFile;
+ // maintains the known (user-defined) styles
+ StyleManager *styleManager;
+ // maintains the preambles used for previews
+ Preambles *preambles;
+
+ // GTK+ widgets
+ GtkWindow *mainWindow;
+ GtkTextBuffer *tikzBuffer;
+ GtkStatusbar *statusBar;
+ GtkPaned *propsPane;
+ GtkPaned *stylesPane;
+ GtkPaned *graphPane;
+ GtkWidget *tikzDisp;
+
+ // Classes that manage parts of the window
+ // (or other windows)
+ Menu *menu;
+ GraphRenderer *renderer;
+ GraphInputHandler *inputHandler;
+ StylesPalette *stylesPalette;
+ PropertyPane *propertyPane;
+ PreambleEditor *preambleWindow;
+ PreviewWindow *previewWindow;
+
+ WidgetSurface *surface;
+
+ // state variables
+ BOOL suppressTikzUpdates;
+ BOOL hasParseError;
+ // the last-accessed folder (for open and save dialogs)
+ NSString *lastFolder;
+ // the open (active) document
+ TikzDocument *document;
+}
+
+/**
+ * Create and show the main window.
+ */
+- (id) init;
+
+/**
+ * Open a file, asking the user which file to open
+ */
+- (void) openFile;
+/**
+ * Save the active document to the path it was opened from
+ * or last saved to, or ask the user where to save it.
+ */
+- (void) saveActiveDocument;
+/**
+ * Save the active document, asking the user where to save it.
+ */
+- (void) saveActiveDocumentAs;
+/**
+ * Save the active document as a shape, asking the user what to name it.
+ */
+- (void) saveActiveDocumentAsShape;
+/**
+ * Quit the application, confirming with the user if there are
+ * changes to an open document.
+ */
+- (void) quit;
+/**
+ * If there are changes to an open document, ask the user if they
+ * want to quit the application, discarding those changes.
+ *
+ * @result YES if there are no unsaved changes or the user is happy
+ * to discard any unsaved changes, NO if the application
+ * should not quit.
+ */
+- (BOOL) askCanQuit;
+
+/**
+ * Cut the current selection to the clipboard.
+ */
+- (void) cut;
+/**
+ * Copy the current selection to the clipboard.
+ */
+- (void) copy;
+/**
+ * Paste from the clipboard to the appropriate place.
+ */
+- (void) paste;
+
+/**
+ * Show the dialog for editing preambles.
+ */
+- (void) editPreambles;
+/**
+ * Show or update the preview window.
+ */
+- (void) showPreview;
+
+/**
+ * The graph input handler
+ */
+- (GraphInputHandler*) graphInputHandler;
+/**
+ * The GTK+ window that this class manages.
+ */
+- (GtkWindow*) gtkWindow;
+/**
+ * The main application configuration file
+ */
+- (Configuration*) mainConfiguration;
+/**
+ * The menu for the window.
+ */
+- (Menu*) menu;
+
+/**
+ * The document the user is currently editing
+ */
+- (TikzDocument*) activeDocument;
+
+/**
+ * Loads a new, empty document as the active document
+ */
+- (void) loadEmptyDocument;
+/**
+ * Loads an existing document from a file as the active document
+ *
+ * @param path the path to the tikz file containing the document
+ */
+- (void) loadDocumentFromFile:(NSString*)path;
+
+/**
+ * Present an error to the user
+ *
+ * (currently just outputs it on the command line)
+ *
+ * @param error the error to present
+ */
+- (void) presentError:(NSError*)error;
+/**
+ * Present an error to the user
+ *
+ * (currently just outputs it on the command line)
+ *
+ * @param error the error to present
+ * @param message a message to display with the error
+ */
+- (void) presentError:(NSError*)error withMessage:(NSString*)message;
+/**
+ * Present an error to the user
+ *
+ * (currently just outputs it on the command line)
+ *
+ * @param error the error to present
+ */
+- (void) presentGError:(GError*)error;
+/**
+ * Present an error to the user
+ *
+ * (currently just outputs it on the command line)
+ *
+ * @param error the error to present
+ * @param message a message to display with the error
+ */
+- (void) presentGError:(GError*)error withMessage:(NSString*)message;
+
+/**
+ * Save the application configuration to disk
+ *
+ * Should be called just before the application exits
+ */
+- (void) saveConfiguration;
+
+- (void) zoomIn;
+- (void) zoomOut;
+- (void) zoomReset;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/MainWindow.m b/tikzit/src/linux/MainWindow.m
new file mode 100644
index 0000000..ecaf1fa
--- /dev/null
+++ b/tikzit/src/linux/MainWindow.m
@@ -0,0 +1,997 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "MainWindow.h"
+
+#import <gtk/gtk.h>
+#import "gtkhelpers.h"
+#import "clipboard.h"
+
+#import "Configuration.h"
+#import "FileChooserDialog.h"
+#import "GraphInputHandler.h"
+#import "GraphRenderer.h"
+#import "Menu.h"
+#import "PreambleEditor.h"
+#import "Preambles.h"
+#import "Preambles+Storage.h"
+#ifdef HAVE_POPPLER
+#import "PreviewWindow.h"
+#endif
+#import "PropertyPane.h"
+#import "RecentManager.h"
+#import "StyleManager.h"
+#import "Shape.h"
+#import "StyleManager+Storage.h"
+#import "NodeStylesPalette.h"
+#import "SupportDir.h"
+#import "TikzDocument.h"
+#import "WidgetSurface.h"
+
+
+// {{{ Internal interfaces
+// {{{ Clipboard support
+
+static void clipboard_provide_data (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer clipboard_graph_data);
+static void clipboard_release_data (GtkClipboard *clipboard, gpointer clipboard_graph_data);
+static void clipboard_check_targets (GtkClipboard *clipboard,
+ GdkAtom *atoms,
+ gint n_atoms,
+ gpointer action);
+static void clipboard_paste_contents (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ gpointer document);
+
+// }}}
+// {{{ Signals
+
+static void toolbox_divider_position_changed_cb (GObject *gobject, GParamSpec *pspec, MainWindow *window);
+static void stylebox_divider_position_changed_cb (GObject *gobject, GParamSpec *pspec, MainWindow *window);
+static void graph_divider_position_changed_cb (GObject *gobject, GParamSpec *pspec, MainWindow *window);
+static void tikz_buffer_changed_cb (GtkTextBuffer *buffer, MainWindow *window);
+static gboolean main_window_delete_event_cb (GtkWidget *widget, GdkEvent *event, MainWindow *window);
+static void main_window_destroy_cb (GtkWidget *widget, MainWindow *window);
+static gboolean main_window_configure_event_cb (GtkWidget *widget, GdkEventConfigure *event, MainWindow *window);
+static void update_paste_action (GtkClipboard *clipboard, GdkEvent *event, GtkAction *action);
+
+// }}}
+
+@interface MainWindow (Notifications)
+- (void) toolboxWidthChanged:(int)newWidth;
+- (void) styleboxWidthChanged:(int)newWidth;
+- (void) tikzBufferChanged;
+- (void) windowSizeChangedWidth:(int)width height:(int)height;
+- (void) documentTikzChanged:(NSNotification*)notification;
+- (void) documentSelectionChanged:(NSNotification*)notification;
+- (void) undoStackChanged:(NSNotification*)notification;
+@end
+
+@interface MainWindow (InitHelpers)
+- (void) _loadConfig;
+- (void) _loadStyles;
+- (void) _loadPreambles;
+- (void) _loadUi;
+- (void) _restoreUiState;
+- (void) _connectSignals;
+@end
+
+@interface MainWindow (Private)
+- (BOOL) _confirmCloseDocumentTo:(NSString*)action;
+- (void) _forceLoadDocumentFromFile:(NSString*)path;
+- (void) _placeGraphOnClipboard:(Graph*)graph;
+- (void) _setHasParseError:(BOOL)hasError;
+/** Update the window title. */
+- (void) _updateTitle;
+/** Update the window status bar default text. */
+- (void) _updateStatus;
+/** Update the displayed tikz code to match the active document. */
+- (void) _updateTikz;
+/** Update the undo and redo actions to match the active document's
+ * undo stack. */
+- (void) _updateUndoActions;
+/** Set the last-accessed folder */
+- (void) _setLastFolder:(NSString*)path;
+/** Set the active document */
+- (void) _setActiveDocument:(TikzDocument*)newDoc;
+@end
+
+// }}}
+// {{{ API
+
+@implementation MainWindow
+
+- (id) init {
+ self = [super init];
+
+ if (self) {
+ document = nil;
+ preambleWindow = nil;
+ previewWindow = nil;
+ suppressTikzUpdates = NO;
+ hasParseError = NO;
+
+ [self _loadConfig];
+ [self _loadStyles];
+ [self _loadPreambles];
+ lastFolder = [[configFile stringEntry:@"lastFolder" inGroup:@"Paths"] retain];
+ [self _loadUi];
+ [self _restoreUiState];
+ [self _connectSignals];
+
+ [self loadEmptyDocument];
+
+ gtk_widget_show (GTK_WIDGET (mainWindow));
+ }
+
+ return self;
+}
+
+- (void) dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+ [configFile release];
+ [styleManager release];
+ [preambles release];
+ [menu release];
+ [renderer release];
+ [inputHandler release];
+ [stylesPalette release];
+ [propertyPane release];
+ [preambleWindow release];
+ [previewWindow release];
+ [surface release];
+ [lastFolder release];
+ [document release];
+
+ g_object_unref (mainWindow);
+ g_object_unref (tikzBuffer);
+ g_object_unref (statusBar);
+ g_object_unref (propsPane);
+ g_object_unref (stylesPane);
+ g_object_unref (graphPane);
+ g_object_unref (tikzDisp);
+
+ [super dealloc];
+}
+
+- (void) openFile {
+ if (![self _confirmCloseDocumentTo:@"open a new document"]) {
+ return;
+ }
+ FileChooserDialog *dialog = [FileChooserDialog openDialogWithParent:mainWindow];
+ [dialog addStandardFilters];
+ if (lastFolder) {
+ [dialog setCurrentFolder:lastFolder];
+ }
+
+ if ([dialog showDialog]) {
+ [self _forceLoadDocumentFromFile:[dialog filePath]];
+ [self _setLastFolder:[dialog currentFolder]];
+ }
+ [dialog destroy];
+}
+
+- (void) saveActiveDocument {
+ if ([document path] == nil) {
+ [self saveActiveDocumentAs];
+ } else {
+ NSError *error = nil;
+ if (![document save:&error]) {
+ [self presentError:error];
+ } else {
+ [self _updateTitle];
+ }
+ }
+}
+
+- (void) saveActiveDocumentAs {
+ FileChooserDialog *dialog = [FileChooserDialog saveDialogWithParent:mainWindow];
+ [dialog addStandardFilters];
+ if ([document path] != nil) {
+ [dialog setCurrentFolder:[[document path] stringByDeletingLastPathComponent]];
+ } else if (lastFolder != nil) {
+ [dialog setCurrentFolder:lastFolder];
+ }
+ [dialog setSuggestedName:[document suggestedFileName]];
+
+ if ([dialog showDialog]) {
+ NSString *nfile = [dialog filePath];
+
+ NSError *error = nil;
+ if (![document saveToPath:nfile error:&error]) {
+ [self presentError:error];
+ } else {
+ [self _updateTitle];
+ [[RecentManager defaultManager] addRecentFile:nfile];
+ [self _setLastFolder:[dialog currentFolder]];
+ }
+ }
+ [dialog destroy];
+}
+
+- (void) saveActiveDocumentAsShape {
+ GtkWidget *dialog = gtk_dialog_new_with_buttons (
+ "Save as shape",
+ mainWindow,
+ GTK_DIALOG_MODAL,
+ GTK_STOCK_OK,
+ GTK_RESPONSE_ACCEPT,
+ GTK_STOCK_CANCEL,
+ GTK_RESPONSE_REJECT,
+ NULL);
+ GtkBox *content = GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog)));
+ GtkWidget *label1 = gtk_label_new ("Please choose a name for the shape");
+ GtkWidget *label2 = gtk_label_new ("Name:");
+ GtkWidget *input = gtk_entry_new ();
+ GtkBox *hbox = GTK_BOX (gtk_hbox_new (FALSE, 5));
+ gtk_box_pack_start (hbox, label2, FALSE, TRUE, 0);
+ gtk_box_pack_start (hbox, input, TRUE, TRUE, 0);
+ gtk_box_pack_start (content, label1, TRUE, TRUE, 5);
+ gtk_box_pack_start (content, GTK_WIDGET (hbox), TRUE, TRUE, 5);
+ gtk_widget_show_all (GTK_WIDGET (content));
+ gint response = gtk_dialog_run (GTK_DIALOG (dialog));
+ while (response == GTK_RESPONSE_ACCEPT) {
+ response = GTK_RESPONSE_NONE;
+ NSDictionary *shapeDict = [Shape shapeDictionary];
+ const gchar *dialogInput = gtk_entry_get_text (GTK_ENTRY (input));
+ NSString *shapeName = [NSString stringWithUTF8String:dialogInput];
+ BOOL doSave = NO;
+ if ([shapeName isEqual:@""]) {
+ GtkWidget *emptyStrDialog = gtk_message_dialog_new (mainWindow,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "You must specify a shape name");
+ gtk_dialog_run (GTK_DIALOG (emptyStrDialog));
+ gtk_widget_destroy (emptyStrDialog);
+ response = gtk_dialog_run (GTK_DIALOG (dialog));
+ } else if ([shapeDict objectForKey:shapeName] != nil) {
+ GtkWidget *overwriteDialog = gtk_message_dialog_new (mainWindow,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_QUESTION,
+ GTK_BUTTONS_YES_NO,
+ "Do you want to replace the existing shape named '%s'?",
+ dialogInput);
+ gint overwriteResp = gtk_dialog_run (GTK_DIALOG (overwriteDialog));
+ gtk_widget_destroy (overwriteDialog);
+
+ if (overwriteResp == GTK_RESPONSE_YES) {
+ doSave = YES;
+ } else {
+ response = gtk_dialog_run (GTK_DIALOG (dialog));
+ }
+ } else {
+ doSave = YES;
+ }
+ if (doSave) {
+ NSError *error = nil;
+ NSString *userShapeDir = [[SupportDir userSupportDir] stringByAppendingPathComponent:@"shapes"];
+ NSString *file = [NSString stringWithFormat:@"%@/%@.tikz", userShapeDir, shapeName];
+ if (![[NSFileManager defaultManager] ensureDirectoryExists:userShapeDir error:&error]) {
+ [self presentError:error withMessage:@"Could not create user shape directory"];
+ } else {
+ NSLog (@"Saving shape to %@", file);
+ if (![document saveCopyToPath:file error:&error]) {
+ [self presentError:error withMessage:@"Could not save shape file"];
+ } else {
+ [Shape refreshShapeDictionary];
+ }
+ }
+ }
+ }
+ gtk_widget_destroy (dialog);
+}
+
+- (void) quit {
+ if ([self askCanQuit]) {
+ gtk_main_quit();
+ }
+}
+
+- (BOOL) askCanQuit {
+ if ([document hasUnsavedChanges]) {
+ GtkWidget *dialog = gtk_message_dialog_new (mainWindow,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_QUESTION,
+ GTK_BUTTONS_YES_NO,
+ "Are you sure you want to quit without saving the current file?");
+ gint result = gtk_dialog_run (GTK_DIALOG (dialog));
+ gtk_widget_destroy (dialog);
+ return (result == GTK_RESPONSE_YES) ? YES : NO;
+ }
+
+ return YES;
+}
+
+- (void) cut {
+ if ([[[document pickSupport] selectedNodes] count] > 0) {
+ [self _placeGraphOnClipboard:[document cutSelection]];
+ }
+}
+
+- (void) copy {
+ if ([[[document pickSupport] selectedNodes] count] > 0) {
+ [self _placeGraphOnClipboard:[document copySelection]];
+ }
+}
+
+- (void) paste {
+ gtk_clipboard_request_contents (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD),
+ tikzit_picture_atom,
+ clipboard_paste_contents,
+ document);
+}
+
+- (void) editPreambles {
+ if (preambleWindow == nil) {
+ preambleWindow = [[PreambleEditor alloc] initWithPreambles:preambles];
+ [preambleWindow setParentWindow:mainWindow];
+ }
+ [preambleWindow show];
+}
+
+- (void) showPreview {
+#ifdef HAVE_POPPLER
+ if (previewWindow == nil) {
+ previewWindow = [[PreviewWindow alloc] initWithPreambles:preambles];
+ [previewWindow setParentWindow:mainWindow];
+ [previewWindow setDocument:document];
+ }
+ [previewWindow show];
+#endif
+}
+
+- (GraphInputHandler*) graphInputHandler {
+ return inputHandler;
+}
+
+- (GtkWindow*) gtkWindow {
+ return mainWindow;
+}
+
+- (Configuration*) mainConfiguration {
+ return configFile;
+}
+
+- (Menu*) menu {
+ return menu;
+}
+
+- (TikzDocument*) activeDocument {
+ return document;
+}
+
+- (void) loadEmptyDocument {
+ if (![self _confirmCloseDocumentTo:@"start a new document"]) {
+ return;
+ }
+ [self _setActiveDocument:[TikzDocument documentWithStyleManager:styleManager]];
+}
+
+- (void) loadDocumentFromFile:(NSString*)path {
+ if (![self _confirmCloseDocumentTo:@"open a new document"]) {
+ return;
+ }
+ [self _forceLoadDocumentFromFile:path];
+}
+
+- (void) presentError:(NSError*)error {
+ GtkWidget *dialog = gtk_message_dialog_new (mainWindow,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "%s",
+ [[error localizedDescription] UTF8String]);
+ gtk_dialog_run (GTK_DIALOG (dialog));
+ gtk_widget_destroy (dialog);
+}
+
+- (void) presentError:(NSError*)error withMessage:(NSString*)message {
+ GtkWidget *dialog = gtk_message_dialog_new (mainWindow,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "%s: %s",
+ [message UTF8String],
+ [[error localizedDescription] UTF8String]);
+ gtk_dialog_run (GTK_DIALOG (dialog));
+ gtk_widget_destroy (dialog);
+}
+
+- (void) presentGError:(GError*)error {
+ GtkWidget *dialog = gtk_message_dialog_new (mainWindow,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "%s",
+ error->message);
+ gtk_dialog_run (GTK_DIALOG (dialog));
+ gtk_widget_destroy (dialog);
+}
+
+- (void) presentGError:(GError*)error withMessage:(NSString*)message {
+ GtkWidget *dialog = gtk_message_dialog_new (mainWindow,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "%s: %s",
+ [message UTF8String],
+ error->message);
+ gtk_dialog_run (GTK_DIALOG (dialog));
+ gtk_widget_destroy (dialog);
+}
+
+- (void) saveConfiguration {
+ NSError *error = nil;
+
+ if (preambles != nil) {
+ NSString *preamblesDir = [[SupportDir userSupportDir] stringByAppendingPathComponent:@"preambles"];
+ // NSFileManager is slightly dodgy on Windows
+ g_mkdir_with_parents ([preamblesDir UTF8String], 700);
+ [preambles storeToDirectory:preamblesDir];
+ [configFile setStringEntry:@"selectedPreamble" inGroup:@"Preambles" value:[preambles selectedPreambleName]];
+ }
+
+ [styleManager saveStylesUsingConfigurationName:@"styles"];
+ [propertyPane saveUiStateToConfig:configFile group:@"PropertyPane"];
+
+ if (lastFolder != nil) {
+ [configFile setStringEntry:@"lastFolder" inGroup:@"Paths" value:lastFolder];
+ }
+
+ if (![configFile writeToStoreWithError:&error]) {
+ logError (error, @"Could not write config file");
+ }
+}
+
+- (void) zoomIn {
+ [surface zoomIn];
+}
+
+- (void) zoomOut {
+ [surface zoomOut];
+}
+
+- (void) zoomReset {
+ [surface zoomReset];
+}
+
+@end
+
+// }}}
+// {{{ Notifications
+
+@implementation MainWindow (Notifications)
+- (void) toolboxWidthChanged:(int)newWidth {
+ [configFile setIntegerEntry:@"toolboxWidth" inGroup:@"mainWindow" value:newWidth];
+}
+
+- (void) styleboxWidthChanged:(int)newWidth {
+ [configFile setIntegerEntry:@"styleboxWidth" inGroup:@"mainWindow" value:newWidth];
+}
+
+- (void) graphHeightChanged:(int)newHeight {
+ [configFile setIntegerEntry:@"graphHeight" inGroup:@"mainWindow" value:newHeight];
+}
+
+- (void) tikzBufferChanged {
+ if (!suppressTikzUpdates) {
+ suppressTikzUpdates = TRUE;
+
+ GtkTextIter start, end;
+ gtk_text_buffer_get_bounds (tikzBuffer, &start, &end);
+ gchar *text = gtk_text_buffer_get_text (tikzBuffer, &start, &end, FALSE);
+
+ BOOL success = [document setTikz:[NSString stringWithUTF8String:text]];
+ [self _setHasParseError:!success];
+
+ g_free (text);
+
+ suppressTikzUpdates = FALSE;
+ }
+}
+
+- (void) windowSizeChangedWidth:(int)width height:(int)height {
+ if (width > 0 && height > 0) {
+ NSNumber *w = [NSNumber numberWithInt:width];
+ NSNumber *h = [NSNumber numberWithInt:height];
+ NSMutableArray *size = [NSMutableArray arrayWithCapacity:2];
+ [size addObject:w];
+ [size addObject:h];
+ [configFile setIntegerListEntry:@"windowSize" inGroup:@"mainWindow" value:size];
+ }
+}
+
+- (void) documentTikzChanged:(NSNotification*)notification {
+ [self _updateTitle];
+ [self _updateTikz];
+}
+
+- (void) documentSelectionChanged:(NSNotification*)notification {
+ [self _updateStatus];
+ [menu notifySelectionChanged:[document pickSupport]];
+}
+
+- (void) undoStackChanged:(NSNotification*)notification {
+ [self _updateUndoActions];
+}
+@end
+
+// }}}
+// {{{ InitHelpers
+
+@implementation MainWindow (InitHelpers)
+
+- (void) _loadConfig {
+ NSError *error = nil;
+ configFile = [[Configuration alloc] initWithName:@"tikzit" loadError:&error];
+ if (error != nil) {
+ logError (error, @"WARNING: Failed to load configuration");
+ }
+}
+
+- (void) _loadStyles {
+ styleManager = [[StyleManager alloc] init];
+ [styleManager loadStylesUsingConfigurationName:@"styles"];
+}
+
+// must happen after _loadStyles
+- (void) _loadPreambles {
+ NSString *preamblesDir = [[SupportDir userSupportDir] stringByAppendingPathComponent:@"preambles"];
+ preambles = [[Preambles alloc] initFromDirectory:preamblesDir];
+ [preambles setStyleManager:styleManager];
+ NSString *selectedPreamble = [configFile stringEntry:@"selectedPreamble" inGroup:@"Preambles"];
+ if (selectedPreamble != nil) {
+ [preambles setSelectedPreambleName:selectedPreamble];
+ }
+}
+
+- (void) _loadUi {
+ mainWindow = GTK_WINDOW (gtk_window_new (GTK_WINDOW_TOPLEVEL));
+ g_object_ref_sink (mainWindow);
+ gtk_window_set_title (mainWindow, "TikZiT");
+ gtk_window_set_default_size (mainWindow, 700, 400);
+
+ GtkBox *mainLayout = GTK_BOX (gtk_vbox_new (FALSE, 0));
+ gtk_widget_show (GTK_WIDGET (mainLayout));
+ gtk_container_add (GTK_CONTAINER (mainWindow), GTK_WIDGET (mainLayout));
+
+ menu = [[Menu alloc] initForMainWindow:self];
+
+ GtkWidget *menubar = [menu menubar];
+ gtk_box_pack_start (mainLayout, menubar, FALSE, TRUE, 0);
+ gtk_box_reorder_child (mainLayout, menubar, 0);
+ gtk_widget_show (menubar);
+
+ GtkWidget *toolbarBox = gtk_handle_box_new ();
+ gtk_box_pack_start (mainLayout, toolbarBox, FALSE, TRUE, 0);
+ gtk_widget_show (toolbarBox);
+ gtk_container_add (GTK_CONTAINER (toolbarBox), [menu toolbar]);
+ gtk_widget_show ([menu toolbar]);
+
+ propsPane = GTK_PANED (gtk_hpaned_new ());
+ g_object_ref_sink (propsPane);
+ gtk_widget_show (GTK_WIDGET (propsPane));
+ gtk_box_pack_start (mainLayout, GTK_WIDGET (propsPane), TRUE, TRUE, 0);
+
+ propertyPane = [[PropertyPane alloc] init];
+ gtk_paned_pack1 (propsPane, [propertyPane widget], FALSE, TRUE);
+ gtk_widget_show ([propertyPane widget]);
+
+ stylesPane = GTK_PANED (gtk_hpaned_new ());
+ g_object_ref_sink (stylesPane);
+ gtk_widget_show (GTK_WIDGET (stylesPane));
+ gtk_paned_pack2 (propsPane, GTK_WIDGET (stylesPane), TRUE, TRUE);
+
+ stylesPalette = [[NodeStylesPalette alloc] initWithManager:styleManager];
+ gtk_paned_pack2 (stylesPane, [stylesPalette widget], FALSE, TRUE);
+ gtk_widget_show ([stylesPalette widget]);
+
+ graphPane = GTK_PANED (gtk_vpaned_new ());
+ g_object_ref_sink (graphPane);
+ gtk_widget_show (GTK_WIDGET (graphPane));
+ gtk_paned_pack1 (stylesPane, GTK_WIDGET (graphPane), TRUE, TRUE);
+
+ surface = [[WidgetSurface alloc] init];
+ gtk_widget_show ([surface widget]);
+ gtk_paned_pack1 (graphPane, [surface widget], TRUE, TRUE);
+ [surface setDefaultScale:50.0f];
+ [surface setKeepCentered:YES];
+ [surface setGrabsFocusOnClick:YES];
+ renderer = [[GraphRenderer alloc] initWithSurface:surface document:document];
+
+ inputHandler = [[GraphInputHandler alloc] initWithGraphRenderer:renderer];
+ [surface setInputDelegate:inputHandler];
+
+ tikzBuffer = gtk_text_buffer_new (NULL);
+ g_object_ref_sink (tikzBuffer);
+ GtkWidget *tikzScroller = gtk_scrolled_window_new (NULL, NULL);
+ gtk_widget_show (tikzScroller);
+
+ tikzDisp = gtk_text_view_new_with_buffer (tikzBuffer);
+ g_object_ref_sink (tikzDisp);
+ gtk_widget_show (tikzDisp);
+ gtk_container_add (GTK_CONTAINER (tikzScroller), tikzDisp);
+ gtk_paned_pack2 (graphPane, tikzScroller, FALSE, TRUE);
+
+ statusBar = GTK_STATUSBAR (gtk_statusbar_new ());
+ gtk_widget_show (GTK_WIDGET (statusBar));
+ gtk_box_pack_start (mainLayout, GTK_WIDGET (statusBar), FALSE, TRUE, 0);
+
+ GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+ update_paste_action (clipboard, NULL, [menu pasteAction]);
+}
+
+- (void) _restoreUiState {
+ NSArray *windowSize = [configFile integerListEntry:@"windowSize" inGroup:@"mainWindow"];
+ if (windowSize && [windowSize count] == 2) {
+ gint width = [[windowSize objectAtIndex:0] intValue];
+ gint height = [[windowSize objectAtIndex:1] intValue];
+ if (width > 0 && height > 0) {
+ gtk_window_set_default_size (mainWindow, width, height);
+ }
+ }
+ int panePos = [configFile integerEntry:@"toolboxWidth" inGroup:@"mainWindow"];
+ if (panePos > 0) {
+ gtk_paned_set_position (propsPane, panePos);
+ }
+ panePos = [configFile integerEntry:@"styleboxWidth" inGroup:@"mainWindow"];
+ if (panePos > 0) {
+ gtk_paned_set_position (stylesPane, panePos);
+ }
+ panePos = [configFile integerEntry:@"graphHeight" inGroup:@"mainWindow"];
+ if (panePos > 0) {
+ gtk_paned_set_position (graphPane, panePos);
+ }
+ [propertyPane restoreUiStateFromConfig:configFile group:@"PropertyPane"];
+}
+
+- (void) _connectSignals {
+ GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+ g_signal_connect (G_OBJECT (clipboard),
+ "owner-change",
+ G_CALLBACK (update_paste_action),
+ [menu pasteAction]);
+ g_signal_connect (G_OBJECT (mainWindow),
+ "key-press-event",
+ G_CALLBACK (tz_hijack_key_press),
+ NULL);
+ g_signal_connect (G_OBJECT (propsPane),
+ "notify::position",
+ G_CALLBACK (toolbox_divider_position_changed_cb),
+ self);
+ g_signal_connect (G_OBJECT (stylesPane),
+ "notify::position",
+ G_CALLBACK (stylebox_divider_position_changed_cb),
+ self);
+ g_signal_connect (G_OBJECT (graphPane),
+ "notify::position",
+ G_CALLBACK (graph_divider_position_changed_cb),
+ self);
+ g_signal_connect (G_OBJECT (tikzBuffer),
+ "changed",
+ G_CALLBACK (tikz_buffer_changed_cb),
+ self);
+ g_signal_connect (G_OBJECT (mainWindow),
+ "delete-event",
+ G_CALLBACK (main_window_delete_event_cb),
+ self);
+ g_signal_connect (G_OBJECT (mainWindow),
+ "destroy",
+ G_CALLBACK (main_window_destroy_cb),
+ self);
+ g_signal_connect (G_OBJECT (mainWindow),
+ "configure-event",
+ G_CALLBACK (main_window_configure_event_cb),
+ self);
+}
+@end
+
+// }}}
+// {{{ Private
+
+@implementation MainWindow (Private)
+
+- (BOOL) _confirmCloseDocumentTo:(NSString*)action {
+ BOOL proceed = YES;
+ if ([document hasUnsavedChanges]) {
+ NSString *message = [NSString stringWithFormat:@"You have unsaved changes to the current document, which will be lost if you %@. Are you sure you want to continue?", action];
+ GtkWidget *dialog = gtk_message_dialog_new (NULL,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_QUESTION,
+ GTK_BUTTONS_YES_NO,
+ [message UTF8String]);
+ gtk_window_set_title(GTK_WINDOW(dialog), "Close current document?");
+ proceed = gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_YES;
+ gtk_widget_destroy (dialog);
+ }
+ return proceed;
+}
+
+- (void) _forceLoadDocumentFromFile:(NSString*)path {
+ NSError *error = nil;
+ TikzDocument *d = [TikzDocument documentFromFile:path styleManager:styleManager error:&error];
+ if (d != nil) {
+ [self _setActiveDocument:d];
+ [[RecentManager defaultManager] addRecentFile:path];
+ } else {
+ [self presentError:error withMessage:@"Could not open file"];
+ [[RecentManager defaultManager] removeRecentFile:path];
+ }
+}
+
+- (void) _placeGraphOnClipboard:(Graph*)graph {
+ GtkClipboard *clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+
+ static const GtkTargetEntry targets[] = {
+ { "TIKZITPICTURE", 0, TARGET_TIKZIT_PICTURE },
+ { "UTF8_STRING", 0, TARGET_UTF8_STRING } };
+
+ gtk_clipboard_set_with_data (clipboard,
+ targets, G_N_ELEMENTS (targets),
+ clipboard_provide_data,
+ clipboard_release_data,
+ clipboard_graph_data_new (graph));
+}
+
+- (void) _setHasParseError:(BOOL)hasError {
+ if (hasError && !hasParseError) {
+ gtk_statusbar_push (statusBar, 1, "Parse error");
+ GdkColor color = {0, 65535, 61184, 61184};
+ gtk_widget_modify_base (tikzDisp, GTK_STATE_NORMAL, &color);
+ } else if (!hasError && hasParseError) {
+ gtk_statusbar_pop (statusBar, 1);
+ gtk_widget_modify_base (tikzDisp, GTK_STATE_NORMAL, NULL);
+ }
+ hasParseError = hasError;
+}
+
+- (void) _updateUndoActions {
+ [menu setUndoActionEnabled:[document canUndo]];
+ [menu setUndoActionDetail:[document undoName]];
+
+ [menu setRedoActionEnabled:[document canRedo]];
+ [menu setRedoActionDetail:[document redoName]];
+}
+
+- (void) _updateTitle {
+ NSString *title = [NSString stringWithFormat:@"TikZiT - %@%s",
+ [document name],
+ ([document hasUnsavedChanges] ? "*" : "")];
+ gtk_window_set_title(mainWindow, [title UTF8String]);
+}
+
+- (void) _updateStatus {
+ GString *buffer = g_string_sized_new (30);
+ gchar *nextNode = 0;
+
+ for (Node *n in [[document pickSupport] selectedNodes]) {
+ if (nextNode) {
+ if (buffer->len == 0) {
+ g_string_printf(buffer, "Nodes %s", nextNode);
+ } else {
+ g_string_append_printf(buffer, ", %s", nextNode);
+ }
+ }
+ nextNode = (gchar *)[[n name] UTF8String];
+ }
+ if (nextNode) {
+ if (buffer->len == 0) {
+ g_string_printf(buffer, "Node %s is selected", nextNode);
+ } else {
+ g_string_append_printf(buffer, " and %s are selected", nextNode);
+ }
+ }
+
+ if (buffer->len == 0) {
+ int nrNodes = [[[document graph] nodes] count];
+ int nrEdges = [[[document graph] edges] count];
+ g_string_printf(buffer, "Graph has %d node%s and %d edge%s",
+ nrNodes,
+ nrNodes!=1 ? "s" : "",
+ nrEdges,
+ nrEdges!=1 ? "s" : "");
+ }
+ gtk_statusbar_pop(statusBar, 0);
+ gtk_statusbar_push(statusBar, 0, buffer->str);
+
+ g_string_free (buffer, TRUE);
+}
+
+- (void) _updateTikz {
+ if (document != nil && !suppressTikzUpdates) {
+ suppressTikzUpdates = TRUE;
+
+ if (document != nil) {
+ const char *tikzString = [[document tikz] UTF8String];
+ gtk_text_buffer_set_text (tikzBuffer, tikzString, -1);
+ } else {
+ gtk_text_buffer_set_text (tikzBuffer, "", -1);
+ }
+ [self _setHasParseError:NO];
+
+ suppressTikzUpdates = FALSE;
+ }
+}
+
+- (void) _setLastFolder:(NSString*)path {
+ [path retain];
+ [lastFolder release];
+ lastFolder = path;
+}
+
+- (void) _setActiveDocument:(TikzDocument*)newDoc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:[document pickSupport]];
+ [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:document];
+
+ [newDoc retain];
+ [document release];
+ document = newDoc;
+
+ [renderer setDocument:document];
+ [stylesPalette setDocument:document];
+ [propertyPane setDocument:document];
+#ifdef HAVE_POPPLER
+ [previewWindow setDocument:document];
+#endif
+ [self _updateTikz];
+ [self _updateTitle];
+ [self _updateStatus];
+ [self _updateUndoActions];
+ [menu notifySelectionChanged:[document pickSupport]];
+ [inputHandler resetState];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(documentTikzChanged:)
+ name:@"TikzChanged" object:document];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(undoStackChanged:)
+ name:@"UndoStackChanged" object:document];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(documentSelectionChanged:)
+ name:@"NodeSelectionChanged" object:[document pickSupport]];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(documentSelectionChanged:)
+ name:@"EdgeSelectionChanged" object:[document pickSupport]];
+}
+
+@end
+
+// }}}
+// {{{ GTK+ callbacks
+
+static void toolbox_divider_position_changed_cb (GObject *gobject, GParamSpec *pspec, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ gint position;
+ g_object_get (gobject, "position", &position, NULL);
+ [window toolboxWidthChanged:position];
+ [pool drain];
+}
+
+static void stylebox_divider_position_changed_cb (GObject *gobject, GParamSpec *pspec, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ gint position;
+ g_object_get (gobject, "position", &position, NULL);
+ [window styleboxWidthChanged:position];
+ [pool drain];
+}
+
+static void graph_divider_position_changed_cb (GObject *gobject, GParamSpec *pspec, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ gint position;
+ g_object_get (gobject, "position", &position, NULL);
+ [window graphHeightChanged:position];
+ [pool drain];
+}
+
+static void tikz_buffer_changed_cb (GtkTextBuffer *buffer, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window tikzBufferChanged];
+ [pool drain];
+}
+
+static gboolean main_window_delete_event_cb (GtkWidget *widget, GdkEvent *event, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ return ![window askCanQuit];
+ [pool drain];
+}
+
+static void main_window_destroy_cb (GtkWidget *widget, MainWindow *window) {
+ gtk_main_quit();
+}
+
+static gboolean main_window_configure_event_cb (GtkWidget *widget, GdkEventConfigure *event, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window windowSizeChangedWidth:event->width height:event->height];
+ [pool drain];
+ return FALSE;
+}
+
+static void clipboard_provide_data (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer clipboard_graph_data) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ ClipboardGraphData *data = (ClipboardGraphData*)clipboard_graph_data;
+ if (info == TARGET_UTF8_STRING || info == TARGET_TIKZIT_PICTURE) {
+ clipboard_graph_data_convert (data);
+ GdkAtom target = (info == TARGET_UTF8_STRING) ? utf8_atom : tikzit_picture_atom;
+ gtk_selection_data_set (selection_data,
+ target,
+ 8*sizeof(gchar),
+ (guchar*)data->tikz,
+ data->tikz_length);
+ }
+
+ [pool drain];
+}
+
+static void clipboard_release_data (GtkClipboard *clipboard, gpointer data) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ clipboard_graph_data_free ((ClipboardGraphData*)data);
+ [pool drain];
+}
+
+static void clipboard_check_targets (GtkClipboard *clipboard,
+ GdkAtom *atoms,
+ gint n_atoms,
+ gpointer action) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ gboolean found = FALSE;
+ for (gint i = 0; i < n_atoms; ++i) {
+ if (atoms[i] == tikzit_picture_atom) {
+ found = TRUE;
+ break;
+ }
+ }
+ gtk_action_set_sensitive (GTK_ACTION (action), found);
+
+ [pool drain];
+}
+
+static void update_paste_action (GtkClipboard *clipboard, GdkEvent *event, GtkAction *action) {
+ gtk_action_set_sensitive (action, FALSE);
+ gtk_clipboard_request_targets (clipboard, clipboard_check_targets, action);
+}
+
+static void clipboard_paste_contents (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ gpointer document) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ TikzDocument *doc = (TikzDocument*)document;
+ gint length = gtk_selection_data_get_length (selection_data);
+ if (length >= 0) {
+ const guchar *raw_data = gtk_selection_data_get_data (selection_data);
+ gchar *data = g_new (gchar, length+1);
+ g_strlcpy (data, (const gchar *)raw_data, length+1);
+ NSString *tikz = [NSString stringWithUTF8String:data];
+ if (tikz != nil) {
+ [doc pasteFromTikz:tikz];
+ }
+ g_free (data);
+ }
+
+ [pool drain];
+}
+
+// }}}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/Menu.h b/tikzit/src/linux/Menu.h
new file mode 100644
index 0000000..024c9e0
--- /dev/null
+++ b/tikzit/src/linux/Menu.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * Stuff stolen from glade-window.c in Glade:
+ * Copyright (C) 2001 Ximian, Inc.
+ * Copyright (C) 2007 Vincent Geddes.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+
+@class MainWindow;
+@class PickSupport;
+
+/**
+ * Manages the menu and toolbar for the main window.
+ */
+@interface Menu: NSObject {
+ MainWindow *mainWindow;
+ GtkUIManager *ui;
+ GtkActionGroup *staticActions;
+ GtkActionGroup *documentActions;
+// GtkActionGroup *documents_list_menu_actions;
+ GtkAction *undoAction;
+ GtkAction *redoAction;
+ GtkAction *pasteAction;
+ GtkAction **nodeSelBasedActions;
+ guint nodeSelBasedActionCount;
+ GtkAction **selBasedActions;
+ guint selBasedActionCount;
+}
+
+/**
+ * Constructs the menu and toolbar for @p window
+ *
+ * @param window the mainwindow that will be acted upon by the various
+ * menu items and toolbar buttons.
+ */
+- (id) initForMainWindow:(MainWindow*)window;
+
+/**
+ * The menubar widget, to be inserted into the main window
+ */
+- (GtkWidget*) menubar;
+/**
+ * The toolbar widget, to be inserted into the main window
+ */
+- (GtkWidget*) toolbar;
+/**
+ * The main window object passed to initForMainWindow
+ */
+- (MainWindow*) mainWindow;
+
+/**
+ * Enables or disables the undo action
+ */
+- (void) setUndoActionEnabled:(BOOL)enabled;
+/**
+ * Sets the text that describes what action will be undone
+ *
+ * @param detail a text description of the action, or nil
+ */
+- (void) setUndoActionDetail:(NSString*)detail;
+/**
+ * Enables or disables the redo action
+ */
+- (void) setRedoActionEnabled:(BOOL)enabled;
+/**
+ * Sets the text that describes what action will be redone
+ *
+ * @param detail a text description of the action, or nil
+ */
+- (void) setRedoActionDetail:(NSString*)detail;
+
+/**
+ * Gets the paste action
+ */
+- (GtkAction*) pasteAction;
+
+/**
+ * Enables or disables the actions that act on a selection
+ */
+- (void) notifySelectionChanged:(PickSupport*)pickSupport;
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/Menu.m b/tikzit/src/linux/Menu.m
new file mode 100644
index 0000000..c7eb16d
--- /dev/null
+++ b/tikzit/src/linux/Menu.m
@@ -0,0 +1,779 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * Stuff stolen from glade-window.c in Glade:
+ * Copyright (C) 2001 Ximian, Inc.
+ * Copyright (C) 2007 Vincent Geddes.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "Menu.h"
+
+#import "MainWindow.h"
+#import "GraphInputHandler.h"
+#import "Configuration.h"
+#import "PickSupport.h"
+#import "Shape.h"
+#import "TikzDocument.h"
+
+#import <glib.h>
+#ifdef _
+#undef _
+#endif
+#import <glib/gi18n.h>
+#import <gtk/gtk.h>
+
+#import "gtkhelpers.h"
+
+#define ACTION_GROUP_STATIC "TZStatic"
+#define ACTION_GROUP_DOCUMENT "TZDocument"
+#define ACTION_GROUP_DOCUMENTS_LIST_MENU "TZDocumentsList"
+
+#import "logo.h"
+#include <gdk-pixbuf/gdk-pixdata.h>
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpointer-sign"
+#import "icondata.m"
+#pragma GCC diagnostic pop
+
+
+// {{{ Callbacks
+
+static void new_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window loadEmptyDocument];
+ [pool drain];
+}
+
+static void open_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window openFile];
+ [pool drain];
+}
+
+static void save_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window saveActiveDocument];
+ [pool drain];
+}
+
+static void save_as_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window saveActiveDocumentAs];
+ [pool drain];
+}
+
+static void save_as_shape_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window saveActiveDocumentAsShape];
+ [pool drain];
+}
+
+static void refresh_shapes_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [Shape refreshShapeDictionary];
+ [pool drain];
+}
+
+static void quit_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window quit];
+ [pool drain];
+}
+
+static void help_cb (GtkAction *action, MainWindow *window) {
+ GError *gerror = NULL;
+ gtk_show_uri (NULL, "http://tikzit.sourceforge.net/manual.html", GDK_CURRENT_TIME, &gerror);
+ if (gerror != NULL) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ logGError (gerror, @"Could not show help");
+ [pool drain];
+ }
+}
+
+static void about_cb (GtkAction *action, MainWindow *window) {
+ static const gchar * const authors[] =
+ { "Aleks Kissinger <aleks0@gmail.com>",
+ "Chris Heunen <chrisheunen@gmail.com>",
+ "Alex Merry <dev@randomguy3.me.uk>",
+ NULL };
+
+ static const gchar license[] =
+ N_("TikZiT is free software; you can redistribute it and/or modify "
+ "it under the terms of the GNU General Public License as "
+ "published by the Free Software Foundation; either version 2 of the "
+ "License, or (at your option) any later version."
+ "\n\n"
+ "TikZiT is distributed in the hope that it will be useful, "
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of "
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the "
+ "GNU General Public License for more details."
+ "\n\n"
+ "You should have received a copy of the GNU General Public License "
+ "along with TikZiT; if not, write to the Free Software "
+ "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, "
+ "MA 02110-1301, USA.");
+
+ static const gchar copyright[] =
+ "Copyright \xc2\xa9 2010-2011 Aleks Kissinger, Chris Heunen and Alex Merry.";
+
+ GdkPixbuf *logo = get_logo (LOGO_SIZE_128);
+ gtk_show_about_dialog (GTK_WINDOW ([window gtkWindow]),
+ "program-name", PACKAGE_NAME,
+ "logo", logo,
+ "authors", authors,
+ "translator-credits", _("translator-credits"),
+ "comments", _("A graph manipulation program for pgf/tikz graphs"),
+ "license", _(license),
+ "wrap-license", TRUE,
+ "copyright", copyright,
+ "version", PACKAGE_VERSION,
+ "website", "http://tikzit.sourceforge.net",
+ NULL);
+ g_object_unref (logo);
+}
+
+static void undo_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ TikzDocument *document = [window activeDocument];
+ if ([document canUndo]) {
+ [document undo];
+ } else {
+ g_warning ("Can't undo!\n");
+ gtk_action_set_sensitive (action, FALSE);
+ }
+
+ [pool drain];
+}
+
+static void redo_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ TikzDocument *document = [window activeDocument];
+ if ([document canRedo]) {
+ [document redo];
+ } else {
+ g_warning ("Can't redo!\n");
+ gtk_action_set_sensitive (action, FALSE);
+ }
+
+ [pool drain];
+}
+
+static void cut_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window cut];
+ [pool drain];
+}
+
+static void copy_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window copy];
+ [pool drain];
+}
+
+static void paste_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window paste];
+ [pool drain];
+}
+
+static void delete_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [[window activeDocument] removeSelected];
+ [pool drain];
+}
+
+static void select_all_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ TikzDocument *document = [window activeDocument];
+ [[document pickSupport] selectAllNodes:[[document graph] nodes]];
+ [pool drain];
+}
+
+static void deselect_all_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ TikzDocument *document = [window activeDocument];
+ [[document pickSupport] deselectAllNodes];
+ [[document pickSupport] deselectAllEdges];
+ [pool drain];
+}
+
+static void flip_horiz_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [[window activeDocument] flipSelectedNodesHorizontally];
+ [pool drain];
+}
+
+static void flip_vert_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [[window activeDocument] flipSelectedNodesVertically];
+ [pool drain];
+}
+
+static void show_preamble_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window editPreambles];
+ [pool drain];
+}
+
+static void zoom_in_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window zoomIn];
+ [pool drain];
+}
+
+static void zoom_out_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window zoomOut];
+ [pool drain];
+}
+
+static void zoom_reset_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window zoomReset];
+ [pool drain];
+}
+
+#ifdef HAVE_POPPLER
+static void show_preview_cb (GtkAction *action, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [window showPreview];
+ [pool drain];
+}
+#endif
+
+static void input_mode_change_cb (GtkRadioAction *action, GtkRadioAction *current, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [[window graphInputHandler] setMode:(InputMode)gtk_radio_action_get_current_value (action)];
+ [pool drain];
+}
+
+static void toolbar_style_change_cb (GtkRadioAction *action, GtkRadioAction *current, Menu *menu) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ gint value = gtk_radio_action_get_current_value (action);
+ gtk_toolbar_set_style (GTK_TOOLBAR ([menu toolbar]), (GtkToolbarStyle)value);
+ [[[menu mainWindow] mainConfiguration] setIntegerEntry:@"toolbarStyle" inGroup:@"UI" value:value];
+
+ [pool drain];
+}
+
+static void recent_chooser_item_activated_cb (GtkRecentChooser *chooser, MainWindow *window) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ gchar *uri, *path;
+ GError *error = NULL;
+
+ uri = gtk_recent_chooser_get_current_uri (chooser);
+
+ path = g_filename_from_uri (uri, NULL, NULL);
+ if (error) {
+ g_warning ("Could not convert uri \"%s\" to a local path: %s", uri, error->message);
+ g_error_free (error);
+ return;
+ }
+
+ NSString *nspath = [NSString stringWithGlibFilename:path];
+ if (error) {
+ g_warning ("Could not convert filename \"%s\" to an NSString: %s", path, error->message);
+ g_error_free (error);
+ return;
+ }
+ [window loadDocumentFromFile:nspath];
+
+ g_free (uri);
+ g_free (path);
+
+ [pool drain];
+}
+
+
+
+// }}}
+// {{{ UI XML
+
+static const gchar ui_info[] =
+"<ui>"
+" <menubar name='MenuBar'>"
+" <menu action='FileMenu'>"
+" <menuitem action='New'/>"
+" <menuitem action='Open'/>"
+" <menuitem action='OpenRecent'/>"
+" <separator/>"
+" <menuitem action='Save'/>"
+" <menuitem action='SaveAs'/>"
+" <separator/>"
+" <menuitem action='SaveAsShape'/>"
+" <menuitem action='RefreshShapes'/>"
+" <separator/>"
+//" <menuitem action='Close'/>"
+" <menuitem action='Quit'/>"
+" </menu>"
+" <menu action='EditMenu'>"
+" <menu action='Tool'>"
+" <menuitem action='SelectMode'/>"
+" <menuitem action='CreateNodeMode'/>"
+" <menuitem action='DrawEdgeMode'/>"
+" <menuitem action='BoundingBoxMode'/>"
+" <menuitem action='HandMode'/>"
+" </menu>"
+" <separator/>"
+" <menuitem action='Undo'/>"
+" <menuitem action='Redo'/>"
+" <separator/>"
+" <menuitem action='Cut'/>"
+" <menuitem action='Copy'/>"
+" <menuitem action='Paste'/>"
+" <menuitem action='Delete'/>"
+" <separator/>"
+" <menuitem action='SelectAll'/>"
+" <menuitem action='DeselectAll'/>"
+" <separator/>"
+" <menuitem action='FlipVert'/>"
+" <menuitem action='FlipHoriz'/>"
+" </menu>"
+" <menu action='ViewMenu'>"
+" <menu action='ToolbarStyle'>"
+" <menuitem action='ToolbarIconsOnly'/>"
+" <menuitem action='ToolbarTextOnly'/>"
+" <menuitem action='ToolbarTextIcons'/>"
+" <menuitem action='ToolbarTextIconsHoriz'/>"
+" </menu>"
+/*
+" <menuitem action='ToolbarVisible'/>"
+" <menuitem action='StatusbarVisible'/>"
+*/
+" <menuitem action='ShowPreamble'/>"
+#ifdef HAVE_POPPLER
+" <menuitem action='ShowPreview'/>"
+#endif
+" <menu action='Zoom'>"
+" <menuitem action='ZoomIn'/>"
+" <menuitem action='ZoomOut'/>"
+" <menuitem action='ZoomReset'/>"
+" </menu>"
+" </menu>"
+/*
+" <menu action='Window'>"
+" <placeholder name='DocumentsListPlaceholder'/>"
+" </menu>"
+*/
+" <menu action='HelpMenu'>"
+" <menuitem action='HelpManual'/>"
+" <separator/>"
+" <menuitem action='About'/>"
+" </menu>"
+" </menubar>"
+" <toolbar name='ToolBar'>"
+" <toolitem action='New'/>"
+" <toolitem action='Open'/>"
+" <toolitem action='Save'/>"
+" <separator/>"
+" <toolitem action='Cut'/>"
+" <toolitem action='Copy'/>"
+" <toolitem action='Paste'/>"
+" <separator/>"
+" <toolitem action='SelectMode'/>"
+" <toolitem action='CreateNodeMode'/>"
+" <toolitem action='DrawEdgeMode'/>"
+" <toolitem action='BoundingBoxMode'/>"
+" <toolitem action='HandMode'/>"
+" </toolbar>"
+"</ui>";
+
+
+
+// }}}
+// {{{ Actions
+
+static GtkActionEntry static_entries[] = {
+ /*
+ Fields:
+ * action name
+ * stock id or name of icon for action
+ * label for action (mark for translation with N_)
+ * accelerator (as understood by gtk_accelerator_parse())
+ * tooltip (mark for translation with N_)
+ * callback
+ */
+ { "FileMenu", NULL, N_("_File") },
+ { "EditMenu", NULL, N_("_Edit") },
+ { "ViewMenu", NULL, N_("_View") },
+ //{ "ProjectMenu", NULL, N_("_Projects") },
+ { "HelpMenu", NULL, N_("_Help") },
+ //{ "UndoMenu", NULL, NULL },
+ //{ "RedoMenu", NULL, NULL },
+
+ /* FileMenu */
+ { "New", GTK_STOCK_NEW, NULL, "<control>N",
+ N_("Create a new graph"), G_CALLBACK (new_cb) },
+
+ { "Open", GTK_STOCK_OPEN, N_("_Open\342\200\246") ,"<control>O",
+ N_("Open a graph"), G_CALLBACK (open_cb) },
+
+ { "OpenRecent", NULL, N_("Open _Recent") },
+
+ { "RefreshShapes", NULL, N_("_Refresh shapes"), NULL,
+ N_(""), G_CALLBACK (refresh_shapes_cb) },
+
+ { "Quit", GTK_STOCK_QUIT, NULL, "<control>Q",
+ N_("Quit the program"), G_CALLBACK (quit_cb) },
+
+ /* EditMenu */
+ { "Tool", NULL, N_("_Tool") },
+
+ /* ViewMenu */
+ { "ToolbarStyle", NULL, N_("_Toolbar style") },
+
+ { "ShowPreamble", NULL, N_("_Edit Preambles..."), NULL,
+ N_("Edit the preambles used to generate the preview"), G_CALLBACK (show_preamble_cb) },
+
+ { "Zoom", NULL, N_("_Zoom") },
+
+ { "ZoomIn", GTK_STOCK_ZOOM_IN, NULL, "<control>plus",
+ NULL, G_CALLBACK (zoom_in_cb) },
+
+ { "ZoomOut", GTK_STOCK_ZOOM_OUT, NULL, "<control>minus",
+ NULL, G_CALLBACK (zoom_out_cb) },
+
+ { "ZoomReset", GTK_STOCK_ZOOM_100, N_("_Reset zoom"), "<control>0",
+ NULL, G_CALLBACK (zoom_reset_cb) },
+
+ /* HelpMenu */
+ { "HelpManual", GTK_STOCK_HELP, N_("_Online manual"), "F1",
+ N_("TikZiT manual (online)"), G_CALLBACK (help_cb) },
+
+ { "About", GTK_STOCK_ABOUT, NULL, NULL,
+ N_("About this application"), G_CALLBACK (about_cb) },
+};
+
+static guint n_static_entries = G_N_ELEMENTS (static_entries);
+
+static GtkActionEntry document_entries[] = {
+
+ /* FileMenu */
+ { "Save", GTK_STOCK_SAVE, NULL, "<control>S",
+ N_("Save the current graph"), G_CALLBACK (save_cb) },
+
+ { "SaveAs", GTK_STOCK_SAVE_AS, N_("Save _As\342\200\246"), NULL,
+ N_("Save the current graph with a different name"), G_CALLBACK (save_as_cb) },
+
+ { "SaveAsShape", NULL, N_("Save As S_hape\342\200\246"), NULL,
+ N_("Save the current graph as a shape for use in styles"), G_CALLBACK (save_as_shape_cb) },
+
+/*
+ { "Close", GTK_STOCK_CLOSE, NULL, "<control>W",
+ N_("Close the current graph"), G_CALLBACK (close_cb) },
+*/
+
+ /* EditMenu */
+ { "Undo", GTK_STOCK_UNDO, NULL, "<control>Z",
+ N_("Undo the last action"), G_CALLBACK (undo_cb) },
+
+ { "Redo", GTK_STOCK_REDO, NULL, "<shift><control>Z",
+ N_("Redo the last action"), G_CALLBACK (redo_cb) },
+
+ { "Cut", GTK_STOCK_CUT, NULL, NULL,
+ N_("Cut the selection"), G_CALLBACK (cut_cb) },
+
+ { "Copy", GTK_STOCK_COPY, NULL, NULL,
+ N_("Copy the selection"), G_CALLBACK (copy_cb) },
+
+ { "Paste", GTK_STOCK_PASTE, NULL, NULL,
+ N_("Paste the clipboard"), G_CALLBACK (paste_cb) },
+
+ { "Delete", GTK_STOCK_DELETE, NULL, "Delete",
+ N_("Delete the selection"), G_CALLBACK (delete_cb) },
+
+ { "SelectAll", GTK_STOCK_SELECT_ALL, NULL, "<control>A",
+ N_("Select all nodes on the graph"), G_CALLBACK (select_all_cb) },
+
+ { "DeselectAll", NULL, N_("D_eselect all"), "<shift><control>A",
+ N_("Deselect everything"), G_CALLBACK (deselect_all_cb) },
+
+ { "FlipHoriz", NULL, N_("Flip nodes _horizonally"), NULL,
+ N_("Flip the selected nodes horizontally"), G_CALLBACK (flip_horiz_cb) },
+
+ { "FlipVert", NULL, N_("Flip nodes _vertically"), NULL,
+ N_("Flip the selected nodes vertically"), G_CALLBACK (flip_vert_cb) },
+
+ /* ViewMenu */
+#ifdef HAVE_POPPLER
+ { "ShowPreview", NULL, N_("_Preview"), "<control>L",
+ N_("See the graph as it will look when rendered in LaTeX"), G_CALLBACK (show_preview_cb) },
+#endif
+};
+static guint n_document_entries = G_N_ELEMENTS (document_entries);
+
+static GtkRadioActionEntry mode_entries[] = {
+ /*
+ Fields:
+ * action name
+ * stock id or name of icon for action
+ * label for action (mark for translation with N_)
+ * accelerator (as understood by gtk_accelerator_parse())
+ * tooltip (mark for translation with N_)
+ * value (see gtk_radio_action_get_current_value())
+ */
+
+ { "SelectMode", NULL, N_("_Select"), "<control><shift>s",
+ N_("Select, move and edit nodes and edges"), (gint)SelectMode },
+
+ { "CreateNodeMode", NULL, N_("_Create nodes"), "<control><shift>c",
+ N_("Create new nodes"), (gint)CreateNodeMode },
+
+ { "DrawEdgeMode", NULL, N_("_Draw edges"), "<control><shift>e",
+ N_("Draw new edges"), (gint)DrawEdgeMode },
+
+ { "BoundingBoxMode", NULL, N_("_Bounding box"), "<control><shift>x",
+ N_("Set the bounding box"), (gint)BoundingBoxMode },
+
+ { "HandMode", NULL, N_("_Pan"), "<control><shift>f",
+ N_("Move the diagram to view different parts"), (gint)HandMode },
+};
+static guint n_mode_entries = G_N_ELEMENTS (mode_entries);
+
+static GtkRadioActionEntry toolbar_style_entries[] = {
+ /*
+ Fields:
+ * action name
+ * stock id or name of icon for action
+ * label for action (mark for translation with N_)
+ * accelerator (as understood by gtk_accelerator_parse())
+ * tooltip (mark for translation with N_)
+ * value (see gtk_radio_action_get_current_value())
+ */
+
+ { "ToolbarIconsOnly", NULL, N_("_Icons only"), NULL,
+ N_("Show only icons on the toolbar"), (gint)GTK_TOOLBAR_ICONS },
+
+ { "ToolbarTextOnly", NULL, N_("_Text only"), NULL,
+ N_("Show only text on the toolbar"), (gint)GTK_TOOLBAR_TEXT },
+
+ { "ToolbarTextIcons", NULL, N_("Text _below icons"), NULL,
+ N_("Show icons on the toolbar with text below"), (gint)GTK_TOOLBAR_BOTH },
+
+ { "ToolbarTextIconsHoriz", NULL, N_("Text be_side icons"), NULL,
+ N_("Show icons on the toolbar with text beside"), (gint)GTK_TOOLBAR_BOTH_HORIZ },
+};
+static guint n_toolbar_style_entries = G_N_ELEMENTS (toolbar_style_entries);
+
+// }}}
+// {{{ Helper methods
+
+
+static void
+set_tool_button_image (GtkToolButton *button, const GdkPixdata *image_data)
+{
+ GtkWidget *image = NULL;
+
+ if (image_data) {
+ GdkPixbuf *buf = gdk_pixbuf_from_pixdata (image_data, FALSE, NULL);
+ image = gtk_image_new_from_pixbuf (buf);
+ g_object_unref (buf);
+ }
+
+ gtk_tool_button_set_icon_widget (button, image);
+
+ if (image) {
+ gtk_widget_show (image);
+ }
+}
+
+GtkWidget *
+create_recent_chooser_menu ()
+{
+ GtkWidget *recent_menu;
+ GtkRecentFilter *filter;
+
+ recent_menu = gtk_recent_chooser_menu_new_for_manager (gtk_recent_manager_get_default ());
+
+ gtk_recent_chooser_set_local_only (GTK_RECENT_CHOOSER (recent_menu), TRUE);
+ gtk_recent_chooser_set_show_icons (GTK_RECENT_CHOOSER (recent_menu), FALSE);
+ gtk_recent_chooser_set_sort_type (GTK_RECENT_CHOOSER (recent_menu), GTK_RECENT_SORT_MRU);
+ gtk_recent_chooser_menu_set_show_numbers (GTK_RECENT_CHOOSER_MENU (recent_menu), TRUE);
+
+ filter = gtk_recent_filter_new ();
+ gtk_recent_filter_add_application (filter, g_get_application_name());
+ gtk_recent_chooser_set_filter (GTK_RECENT_CHOOSER (recent_menu), filter);
+
+ return recent_menu;
+}
+
+
+
+// }}}
+// {{{ API
+
+@implementation Menu
+
+- (id) initForMainWindow:(MainWindow*)window
+{
+ self = [super init];
+ if (!self) {
+ return nil;
+ }
+
+ mainWindow = window;
+
+ GError *error = NULL;
+
+ staticActions = gtk_action_group_new (ACTION_GROUP_STATIC);
+ //gtk_action_group_set_translation_domain (staticActions, GETTEXT_PACKAGE);
+
+ gtk_action_group_add_actions (staticActions,
+ static_entries,
+ n_static_entries,
+ window);
+ gtk_action_group_add_radio_actions (staticActions, mode_entries,
+ n_mode_entries, (gint)SelectMode,
+ G_CALLBACK (input_mode_change_cb), window);
+ GtkToolbarStyle style;
+ g_object_get (G_OBJECT (gtk_settings_get_default ()), "gtk-toolbar-style", &style, NULL);
+ gtk_action_group_add_radio_actions (staticActions, toolbar_style_entries,
+ n_toolbar_style_entries, style,
+ G_CALLBACK (toolbar_style_change_cb), self);
+
+ documentActions = gtk_action_group_new (ACTION_GROUP_DOCUMENT);
+ //gtk_action_group_set_translation_domain (documentActions, GETTEXT_PACKAGE);
+
+ gtk_action_group_add_actions (documentActions,
+ document_entries,
+ n_document_entries,
+ window);
+
+ /*
+ documents_list_menu_actions =
+ gtk_action_group_new (ACTION_GROUP_DOCUMENTS_LIST_MENU);
+ gtk_action_group_set_translation_domain (documents_list_menu_actions,
+ GETTEXT_PACKAGE);
+ */
+
+ ui = gtk_ui_manager_new ();
+
+ gtk_ui_manager_insert_action_group (ui, staticActions, 0);
+ gtk_ui_manager_insert_action_group (ui, documentActions, 1);
+ //gtk_ui_manager_insert_action_group (ui, documents_list_menu_actions, 3);
+
+ gtk_window_add_accel_group ([window gtkWindow], gtk_ui_manager_get_accel_group (ui));
+
+ if (!gtk_ui_manager_add_ui_from_string (ui, ui_info, -1, &error))
+ {
+ g_message ("Building menus failed: %s", error->message);
+ g_error_free (error);
+ return NULL;
+ }
+
+ /* Set custom images for tool mode buttons */
+ set_tool_button_image (GTK_TOOL_BUTTON (gtk_ui_manager_get_widget (ui, "/ToolBar/SelectMode")), &select_rectangular);
+ set_tool_button_image (GTK_TOOL_BUTTON (gtk_ui_manager_get_widget (ui, "/ToolBar/CreateNodeMode")), &draw_ellipse);
+ set_tool_button_image (GTK_TOOL_BUTTON (gtk_ui_manager_get_widget (ui, "/ToolBar/DrawEdgeMode")), &draw_path);
+ set_tool_button_image (GTK_TOOL_BUTTON (gtk_ui_manager_get_widget (ui, "/ToolBar/BoundingBoxMode")), &transform_crop_and_resize);
+ set_tool_button_image (GTK_TOOL_BUTTON (gtk_ui_manager_get_widget (ui, "/ToolBar/HandMode")), &transform_move);
+
+ /* Save the undo and redo actions so they can be updated */
+ undoAction = gtk_action_group_get_action (documentActions, "Undo");
+ redoAction = gtk_action_group_get_action (documentActions, "Redo");
+ pasteAction = gtk_action_group_get_action (documentActions, "Paste");
+
+ /* Recent items */
+ GtkWidget *recentMenu = create_recent_chooser_menu();
+ GtkMenuItem *recentMenuItem = GTK_MENU_ITEM (gtk_ui_manager_get_widget (ui, "/MenuBar/FileMenu/OpenRecent"));
+ gtk_menu_item_set_submenu (recentMenuItem, recentMenu);
+ g_signal_connect (recentMenu, "item-activated", G_CALLBACK (recent_chooser_item_activated_cb), window);
+
+ nodeSelBasedActionCount = 4;
+ nodeSelBasedActions = g_new (GtkAction*, nodeSelBasedActionCount);
+ nodeSelBasedActions[0] = gtk_action_group_get_action (documentActions, "Cut");
+ nodeSelBasedActions[1] = gtk_action_group_get_action (documentActions, "Copy");
+ nodeSelBasedActions[2] = gtk_action_group_get_action (documentActions, "FlipHoriz");
+ nodeSelBasedActions[3] = gtk_action_group_get_action (documentActions, "FlipVert");
+ selBasedActionCount = 2;
+ selBasedActions = g_new (GtkAction*, selBasedActionCount);
+ selBasedActions[0] = gtk_action_group_get_action (documentActions, "Delete");
+ selBasedActions[1] = gtk_action_group_get_action (documentActions, "DeselectAll");
+
+ Configuration *configFile = [window mainConfiguration];
+ if ([configFile hasKey:@"toolbarStyle" inGroup:@"UI"]) {
+ int value = [configFile integerEntry:@"toolbarStyle" inGroup:@"UI"];
+ gtk_radio_action_set_current_value (
+ GTK_RADIO_ACTION (gtk_action_group_get_action (staticActions, "ToolbarIconsOnly")),
+ value);
+ }
+
+ return self;
+}
+
+- (GtkWidget*) menubar {
+ return gtk_ui_manager_get_widget (ui, "/MenuBar");
+}
+
+- (GtkWidget*) toolbar {
+ return gtk_ui_manager_get_widget (ui, "/ToolBar");
+}
+
+- (MainWindow*) mainWindow {
+ return mainWindow;
+}
+
+- (void) setUndoActionEnabled:(BOOL)enabled {
+ gtk_action_set_sensitive (undoAction, enabled);
+}
+
+- (void) setUndoActionDetail:(NSString*)detail {
+ gtk_action_set_detailed_label (undoAction, "_Undo", [detail UTF8String]);
+}
+
+- (void) setRedoActionEnabled:(BOOL)enabled {
+ gtk_action_set_sensitive (redoAction, enabled);
+}
+
+- (void) setRedoActionDetail:(NSString*)detail {
+ gtk_action_set_detailed_label (redoAction, "_Redo", [detail UTF8String]);
+}
+
+- (GtkAction*) pasteAction {
+ return pasteAction;
+}
+
+- (void) notifySelectionChanged:(PickSupport*)pickSupport {
+ BOOL hasSelectedNodes = [[pickSupport selectedNodes] count] > 0;
+ BOOL hasSelectedEdges = [[pickSupport selectedEdges] count] > 0;
+ for (int i = 0; i < nodeSelBasedActionCount; ++i) {
+ if (nodeSelBasedActions[i]) {
+ gtk_action_set_sensitive (nodeSelBasedActions[i], hasSelectedNodes);
+ }
+ }
+ for (int i = 0; i < selBasedActionCount; ++i) {
+ if (selBasedActions[i]) {
+ gtk_action_set_sensitive (selBasedActions[i], hasSelectedNodes || hasSelectedEdges);
+ }
+ }
+}
+
+- (void) dealloc {
+ g_free (nodeSelBasedActions);
+ g_free (selBasedActions);
+
+ [super dealloc];
+}
+
+@end
+
+// }}}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/NSError+Glib.h b/tikzit/src/linux/NSError+Glib.h
new file mode 100644
index 0000000..137977e
--- /dev/null
+++ b/tikzit/src/linux/NSError+Glib.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+#import <glib.h>
+
+@interface NSError(Glib)
++ (id) errorWithGError:(GError*)gerror;
+@end
+
+void GErrorToNSError(GError *errorIn, NSError **errorOut);
+void logGError (GError *error, NSString *message);
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NSError+Glib.m b/tikzit/src/linux/NSError+Glib.m
new file mode 100644
index 0000000..f466d9e
--- /dev/null
+++ b/tikzit/src/linux/NSError+Glib.m
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "NSError+Glib.h"
+#import "TZFoundation.h"
+
+@implementation NSError(Glib)
++ (id) errorWithGError:(GError*)gerror {
+ if (!gerror)
+ return nil;
+
+ NSString *message = [NSString stringWithUTF8String:gerror->message];
+ NSString *domain = [NSString stringWithUTF8String:g_quark_to_string(gerror->domain)];
+
+ NSMutableDictionary *errorDetail = [NSMutableDictionary dictionaryWithObject:message
+ forKey:NSLocalizedDescriptionKey];
+ return [self errorWithDomain:domain code:gerror->code userInfo:errorDetail];
+}
+@end
+
+void GErrorToNSError(GError *errorIn, NSError **errorOut)
+{
+ if (errorOut && errorIn) {
+ *errorOut = [NSError errorWithGError:errorIn];
+ }
+}
+
+void logGError (GError *error, NSString *message) {
+ if (message == nil) {
+ NSLog (@"%s", error->message);
+ } else {
+ NSLog (@"%@: %s", message, error->message);
+ }
+}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NSFileManager+Glib.h b/tikzit/src/linux/NSFileManager+Glib.h
new file mode 100644
index 0000000..cb49fcb
--- /dev/null
+++ b/tikzit/src/linux/NSFileManager+Glib.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface NSFileManager(Glib)
+/**
+ * Creates a directory in the system temp directory
+ */
+- (NSString*) createTempDirectoryWithError:(NSError**)error;
+/**
+ * Creates a directory in the system temp directory
+ */
+- (NSString*) createTempDirectory;
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NSFileManager+Glib.m b/tikzit/src/linux/NSFileManager+Glib.m
new file mode 100644
index 0000000..b3e9de6
--- /dev/null
+++ b/tikzit/src/linux/NSFileManager+Glib.m
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "NSFileManager+Glib.h"
+#import "TZFoundation.h"
+#import "mkdtemp.h"
+
+@implementation NSFileManager(Glib)
+
+- (NSString*) createTempDirectoryWithError:(NSError**)error {
+ NSString *result = nil;
+#if GLIB_CHECK_VERSION (2, 30, 0)
+ GError *gerror = NULL;
+ gchar *dir = g_dir_make_tmp ("tikzitXXXXXX", &gerror);
+ GErrorToNSError (gerror, error);
+ if (dir)
+ result = [NSString stringWithGlibFilename:dir];
+ g_free (dir);
+#else
+//#if (!GLIB_CHECK_VERSION (2, 26, 0))
+#define g_mkdtemp mkdtemp
+//#endif
+ gchar *dir = g_build_filename (g_get_tmp_dir(), "tikzitXXXXXX", NULL);
+ gchar *rdir = g_mkdtemp (dir);
+ if (rdir) {
+ result = [NSString stringWithGlibFilename:dir];
+ } else if (error) {
+ *error = [NSError errorWithLibcError:errno];
+ }
+ g_free (dir);
+#endif
+ return result;
+}
+
+- (NSString*) createTempDirectory {
+ return [self createTempDirectoryWithError:NULL];
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NSString+Glib.h b/tikzit/src/linux/NSString+Glib.h
new file mode 100644
index 0000000..ac59833
--- /dev/null
+++ b/tikzit/src/linux/NSString+Glib.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+#import <glib.h>
+
+@interface NSString(Glib)
+/**
+ * Initialise a string with a string in the GLib filename encoding
+ */
+- (id) initWithGlibFilename:(const gchar *)filename;
+/**
+ * Create a string from a string in the GLib filename encoding
+ */
++ (id) stringWithGlibFilename:(const gchar *)filename;
+/**
+ * Get a copy of the string in GLib filename encoding.
+ *
+ * This will need to be freed with g_free.
+ */
+- (gchar*)glibFilename;
+/**
+ * Get a copy of the string as a GLib URI
+ *
+ * This will need to be freed with g_free.
+ */
+- (gchar*)glibUriWithError:(NSError**)error;
+/**
+ * Get a copy of the string as a GLib URI
+ *
+ * This will need to be freed with g_free.
+ */
+- (gchar*)glibUri;
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NSString+Glib.m b/tikzit/src/linux/NSString+Glib.m
new file mode 100644
index 0000000..b6dc765
--- /dev/null
+++ b/tikzit/src/linux/NSString+Glib.m
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "NSString+Glib.h"
+#import "TZFoundation.h"
+
+@implementation NSString(Glib)
++ (id) stringWithGlibFilename:(const gchar *)filename {
+ return [[[self alloc] initWithGlibFilename:filename] autorelease];
+}
+
+- (id) initWithGlibFilename:(const gchar *)filename {
+ if (self == nil) {
+ return nil;
+ }
+
+ if (filename == NULL) {
+ [self release];
+ return nil;
+ }
+
+ GError *error = NULL;
+ gchar *utf8file = g_filename_to_utf8 (filename, -1, NULL, NULL, &error);
+ if (utf8file == NULL) {
+ if (error)
+ logGError (error, @"Failed to convert a GLib filename to UTF8");
+ [self release];
+ return nil;
+ }
+
+ self = [self initWithUTF8String:utf8file];
+ g_free (utf8file);
+
+ return self;
+}
+
+- (gchar*)glibFilenameWithError:(NSError**)error {
+ GError *gerror = NULL;
+ gchar *result = g_filename_from_utf8 ([self UTF8String], -1, NULL, NULL, &gerror);
+ GErrorToNSError (gerror, error);
+ if (gerror) {
+ logGError (gerror, @"Failed to convert a UTF8 string to a GLib filename");
+ }
+ return result;
+}
+
+- (gchar*)glibFilename {
+ return [self glibFilenameWithError:NULL];
+}
+
+- (gchar*)glibUriWithError:(NSError**)error {
+ gchar *filepath;
+ gchar *uri;
+ NSError *cause = nil;
+
+ filepath = [self glibFilenameWithError:&cause];
+ if (!filepath) {
+ if (error) {
+ NSString *message = [NSString stringWithFormat:@"Could not convert \"%@\" to the GLib filename encoding", self];
+ *error = [NSError errorWithMessage:message code:TZ_ERR_OTHER cause:cause];
+ }
+ return NULL;
+ }
+
+ GError *gerror = NULL;
+ GError **gerrorptr = error ? &gerror : NULL;
+ uri = g_filename_to_uri (filepath, NULL, gerrorptr);
+ if (!uri && error) {
+ NSString *message = [NSString stringWithFormat:@"Could not convert \"%@\" to a GLib URI", self];
+ *error = [NSError errorWithMessage:message code:TZ_ERR_BADFORMAT cause:[NSError errorWithGError:gerror]];
+ }
+ g_free (filepath);
+ return uri;
+}
+
+- (gchar*)glibUri {
+ return [self glibUriWithError:NULL];
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/Node+Render.h b/tikzit/src/linux/Node+Render.h
new file mode 100644
index 0000000..49667e1
--- /dev/null
+++ b/tikzit/src/linux/Node+Render.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "Node.h"
+#import "RenderContext.h"
+#import "Surface.h"
+
+enum NodeState {
+ NodeNormal,
+ NodeSelected,
+ NodeHighlighted
+};
+
+@interface Node(Render)
+
+- (Transformer*) shapeTransformerForSurface:(id<Surface>)surface;
+// the total rendered bounds, excluding label
+- (NSRect) boundsOnSurface:(id<Surface>)surface;
+- (NSRect) boundsWithLabelOnSurface:(id<Surface>)surface;
+- (NSString*) renderedLabel;
+- (NSSize) renderedLabelSizeInContext:(id<RenderContext>)context;
+- (void) renderLabelToSurface:(id<Surface>)surface withContext:(id<RenderContext>)context;
+- (void) renderLabelAt:(NSPoint)point withContext:(id<RenderContext>)context;
+- (void) renderToSurface:(id<Surface>)surface withContext:(id<RenderContext>)context state:(enum NodeState)state;
+- (BOOL) hitByPoint:(NSPoint)p onSurface:(id<Surface>)surface;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/Node+Render.m b/tikzit/src/linux/Node+Render.m
new file mode 100644
index 0000000..f168924
--- /dev/null
+++ b/tikzit/src/linux/Node+Render.m
@@ -0,0 +1,197 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ * Copyright 2010 Chris Heunen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "Node+Render.h"
+#import "Shape.h"
+#import "Shape+Render.h"
+#import "ShapeNames.h"
+
+#define DEFAULT_STROKE_WIDTH 2.0f
+#define MAX_LABEL_LENGTH 10
+#define LABEL_PADDING_X 2
+#define LABEL_PADDING_Y 2
+
+@implementation Node (Render)
+
+- (Transformer*) shapeTransformerForSurface:(id<Surface>)surface {
+ Transformer *transformer = [[[surface transformer] copy] autorelease];
+ NSPoint screenPos = [[surface transformer] toScreen:point];
+ [transformer setOrigin:screenPos];
+ CGFloat scale = [[surface transformer] scale];
+ if (style) {
+ scale *= [style scale];
+ }
+ [transformer setScale:scale];
+ return transformer;
+}
+
+- (Shape*) shape {
+ if (style) {
+ return [Shape shapeForName:[style shapeName]];
+ } else {
+ return [Shape shapeForName:SHAPE_CIRCLE];
+ }
+}
+
+- (NSRect) boundsUsingShapeTransform:(Transformer*)shapeTrans {
+ float strokeThickness = style ? [style strokeThickness] : DEFAULT_STROKE_WIDTH;
+ NSRect screenBounds = [shapeTrans rectToScreen:[[self shape] boundingRect]];
+ screenBounds = NSInsetRect(screenBounds, -strokeThickness, -strokeThickness);
+ return screenBounds;
+}
+
+- (NSRect) boundsOnSurface:(id<Surface>)surface {
+ return [self boundsUsingShapeTransform:[self shapeTransformerForSurface:surface]];
+}
+
+- (NSRect) boundsWithLabelOnSurface:(id<Surface>)surface {
+ NSRect nodeBounds = [self boundsOnSurface:surface];
+ NSRect labelRect = NSZeroRect;
+ if (![label isEqual:@""]) {
+ id<RenderContext> cr = [surface createRenderContext];
+ labelRect.size = [self renderedLabelSizeInContext:cr];
+ NSPoint nodePos = [[surface transformer] toScreen:point];
+ labelRect.origin.x = nodePos.x - (labelRect.size.width / 2);
+ labelRect.origin.y = nodePos.y - (labelRect.size.height / 2);
+ }
+ return NSUnionRect(nodeBounds, labelRect);
+}
+
+- (RColor) strokeColor {
+ if (style) {
+ return [[style strokeColorRGB] rColor];
+ } else {
+ return MakeRColor (0.4, 0.4, 0.7, 0.8);
+ }
+}
+
+- (RColor) fillColor {
+ if (style) {
+ return [[style fillColorRGB] rColor];
+ } else {
+ return MakeRColor (0.4, 0.4, 0.7, 0.3);
+ }
+}
+
+- (NSString*) renderedLabel {
+ NSString *r_label = [label stringByExpandingLatexConstants];
+ if ([r_label length] > MAX_LABEL_LENGTH) {
+ r_label = [[[r_label substringToIndex:MAX_LABEL_LENGTH-1] stringByTrimmingSpaces] stringByAppendingString:@"..."];
+ } else {
+ r_label = [r_label stringByTrimmingSpaces];
+ }
+ return r_label;
+}
+
+- (NSSize) renderedLabelSizeInContext:(id<RenderContext>)context {
+ NSSize result = {0, 0};
+ if (![label isEqual:@""]) {
+ NSString *r_label = [self renderedLabel];
+
+ id<TextLayout> layout = [context layoutText:r_label withSize:9];
+
+ result = [layout size];
+ result.width += LABEL_PADDING_X;
+ result.height += LABEL_PADDING_Y;
+ }
+ return result;
+}
+
+- (void) renderLabelToSurface:(id <Surface>)surface withContext:(id<RenderContext>)context {
+ [self renderLabelAt:[[surface transformer] toScreen:point] withContext:context];
+}
+
+- (void) renderLabelAt:(NSPoint)p withContext:(id<RenderContext>)context {
+ // draw latex code overlayed on node
+ if (![label isEqual:@""]) {
+ [context saveState];
+
+ NSString *r_label = [self renderedLabel];
+ id<TextLayout> layout = [context layoutText:r_label withSize:9];
+
+ NSSize labelSize = [layout size];
+
+ NSRect textBounds = NSMakeRect (p.x - labelSize.width/2,
+ p.y - labelSize.height/2,
+ labelSize.width,
+ labelSize.height);
+ NSRect backRect = NSInsetRect (textBounds, -LABEL_PADDING_X, -LABEL_PADDING_Y);
+
+ [context startPath];
+ [context setLineWidth:1.0];
+ [context rect:backRect];
+ RColor fColor = MakeRColor (1.0, 1.0, 0.5, 0.7);
+ RColor sColor = MakeRColor (0.5, 0.0, 0.0, 0.7);
+ [context strokePathWithColor:sColor andFillWithColor:fColor];
+
+ [layout showTextAt:textBounds.origin withColor:BlackRColor];
+
+ [context restoreState];
+ }
+}
+
+- (void) renderToSurface:(id <Surface>)surface withContext:(id<RenderContext>)context state:(enum NodeState)state {
+ Transformer *shapeTrans = [self shapeTransformerForSurface:surface];
+ float strokeThickness = style ? [style strokeThickness] : DEFAULT_STROKE_WIDTH;
+
+ [context saveState];
+
+ [[self shape] drawPathWithTransform:shapeTrans andContext:context];
+
+ [context setLineWidth:strokeThickness];
+ if (!style) {
+ [context setLineDash:3.0];
+ }
+ [context strokePathWithColor:[self strokeColor] andFillWithColor:[self fillColor]];
+
+ if (state != NodeNormal) {
+ [context setLineWidth:strokeThickness + 4.0];
+ [context setLineDash:0.0];
+ float alpha = 0.0f;
+ if (state == NodeSelected)
+ alpha = 0.5f;
+ else if (state == NodeHighlighted)
+ alpha = 0.25f;
+ RColor selectionColor = MakeSolidRColor(0.61f, 0.735f, 1.0f);
+
+ [[self shape] drawPathWithTransform:shapeTrans andContext:context];
+ [context strokePathWithColor:selectionColor andFillWithColor:selectionColor usingAlpha:alpha];
+ }
+
+ [context restoreState];
+ [self renderLabelToSurface:surface withContext:context];
+}
+
+- (BOOL) hitByPoint:(NSPoint)p onSurface:(id<Surface>)surface {
+ Transformer *shapeTrans = [self shapeTransformerForSurface:surface];
+
+ NSRect screenBounds = [self boundsUsingShapeTransform:shapeTrans];
+ if (!NSPointInRect(p, screenBounds)) {
+ return NO;
+ }
+
+ float strokeThickness = style ? [style strokeThickness] : DEFAULT_STROKE_WIDTH;
+ id<RenderContext> ctx = [surface createRenderContext];
+ [ctx setLineWidth:strokeThickness];
+ [[self shape] drawPathWithTransform:shapeTrans andContext:ctx];
+ return [ctx strokeIncludesPoint:p] || [ctx fillIncludesPoint:p];
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStyle+Gtk.h b/tikzit/src/linux/NodeStyle+Gtk.h
new file mode 100644
index 0000000..4fa5edd
--- /dev/null
+++ b/tikzit/src/linux/NodeStyle+Gtk.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "NodeStyle.h"
+#import <gtk/gtk.h>
+
+@interface NodeStyle (Gtk)
+
+- (GdkColor) strokeColor;
+- (void) setStrokeColor:(GdkColor)color;
+- (GdkColor) fillColor;
+- (void) setFillColor:(GdkColor)color;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStyle+Gtk.m b/tikzit/src/linux/NodeStyle+Gtk.m
new file mode 100644
index 0000000..1954def
--- /dev/null
+++ b/tikzit/src/linux/NodeStyle+Gtk.m
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "NodeStyle+Gtk.h"
+#import "ColorRGB+Gtk.h"
+
+@implementation NodeStyle (Gtk)
+
+- (GdkColor) strokeColor {
+ return [[self strokeColorRGB] gdkColor];
+}
+
+- (void) setStrokeColor:(GdkColor)color {
+ [self setStrokeColorRGB:[ColorRGB colorWithGdkColor:color]];
+}
+
+- (GdkColor) fillColor {
+ return [[self fillColorRGB] gdkColor];
+}
+
+- (void) setFillColor:(GdkColor)color {
+ [self setFillColorRGB:[ColorRGB colorWithGdkColor:color]];
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStyle+Render.h b/tikzit/src/linux/NodeStyle+Render.h
new file mode 100644
index 0000000..00edd27
--- /dev/null
+++ b/tikzit/src/linux/NodeStyle+Render.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "NodeStyle.h"
+#import "RenderContext.h"
+#import "Surface.h"
+
+@interface NodeStyle (Render)
+
+- (void) renderToSurface:(id<Surface>)surface withContext:(id<RenderContext>)context at:(NSPoint)p;
+- (BOOL) hitByPoint:(NSPoint)p onSurface:(id<Surface>)surface;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStyle+Storage.h b/tikzit/src/linux/NodeStyle+Storage.h
new file mode 100644
index 0000000..7649414
--- /dev/null
+++ b/tikzit/src/linux/NodeStyle+Storage.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "NodeStyle.h"
+#import "Configuration.h"
+
+@interface NodeStyle (Storage)
+
+- (id) initFromConfigurationGroup:(NSString*)groupName config:(Configuration*)configFile;
+- (void) storeToConfigurationGroup:(NSString*)groupName config:(Configuration*)configFile;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStyle+Storage.m b/tikzit/src/linux/NodeStyle+Storage.m
new file mode 100644
index 0000000..088b062
--- /dev/null
+++ b/tikzit/src/linux/NodeStyle+Storage.m
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ * Copyright 2010 Chris Heunen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "NodeStyle+Storage.h"
+#import "ColorRGB+IntegerListStorage.h"
+
+@implementation NodeStyle (Storage)
+
+- (id) initFromConfigurationGroup:(NSString*)groupName config:(Configuration*)configFile {
+ self = [self init];
+
+ if (self) {
+ [self setName:[configFile stringEntry:@"Name" inGroup:groupName withDefault:name]];
+ [self setCategory:[configFile stringEntry:@"Category" inGroup:groupName withDefault:category]];
+ [self setShapeName:[configFile stringEntry:@"ShapeName" inGroup:groupName withDefault:shapeName]];
+ [self setScale:[configFile doubleEntry:@"Scale" inGroup:groupName withDefault:scale]];
+ [self setStrokeThickness:[configFile integerEntry:@"StrokeThickness"
+ inGroup:groupName
+ withDefault:strokeThickness]];
+ [self setStrokeColorRGB:
+ [ColorRGB colorFromValueList:
+ [configFile integerListEntry:@"StrokeColor"
+ inGroup:groupName
+ withDefault:[strokeColorRGB valueList]]]];
+ [self setFillColorRGB:
+ [ColorRGB colorFromValueList:
+ [configFile integerListEntry:@"FillColor"
+ inGroup:groupName
+ withDefault:[fillColorRGB valueList]]]];
+ }
+
+ return self;
+}
+
+- (void) storeToConfigurationGroup:(NSString*)groupName config:(Configuration*)configFile {
+ [configFile setStringEntry:@"Name" inGroup:groupName value:[self name]];
+ [configFile setStringEntry:@"Category" inGroup:groupName value:[self category]];
+ [configFile setStringEntry:@"ShapeName" inGroup:groupName value:[self shapeName]];
+ [configFile setDoubleEntry:@"Scale" inGroup:groupName value:[self scale]];
+ [configFile setIntegerEntry:@"StrokeThickness" inGroup:groupName value:[self strokeThickness]];
+ [configFile setIntegerListEntry:@"StrokeColor" inGroup:groupName value:[[self strokeColorRGB] valueList]];
+ [configFile setIntegerListEntry:@"FillColor" inGroup:groupName value:[[self fillColorRGB] valueList]];
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStyleEditor.h b/tikzit/src/linux/NodeStyleEditor.h
new file mode 100644
index 0000000..67219e8
--- /dev/null
+++ b/tikzit/src/linux/NodeStyleEditor.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+
+@class NodeStyle;
+
+@interface NodeStyleEditor: NSObject {
+ NodeStyle *style;
+ GtkTable *table;
+ GtkEntry *nameEdit;
+ GtkComboBox *shapeNameCombo;
+ GtkColorButton *strokeColorButton;
+ GtkWidget *makeStrokeTexSafeButton;
+ GtkColorButton *fillColorButton;
+ GtkWidget *makeFillTexSafeButton;
+ GtkAdjustment *scaleAdj;
+ BOOL blockSignals;
+}
+
+@property (retain) NodeStyle *style;
+@property (readonly) GtkWidget *widget;
+
+- (id) init;
+
+@end
+
+// vim:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStyleEditor.m b/tikzit/src/linux/NodeStyleEditor.m
new file mode 100644
index 0000000..38f78ca
--- /dev/null
+++ b/tikzit/src/linux/NodeStyleEditor.m
@@ -0,0 +1,469 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "NodeStyleEditor.h"
+#import "NodeStyle.h"
+#import "NodeStyle+Gtk.h"
+#import "Shape.h"
+
+static const guint row_count = 5;
+
+// {{{ Internal interfaces
+// {{{ GTK+ Callbacks
+static void style_name_edit_changed_cb (GtkEditable *widget, NodeStyleEditor *editor);
+static void style_shape_combo_changed_cb (GtkComboBox *widget, NodeStyleEditor *editor);
+static void stroke_color_changed_cb (GtkColorButton *widget, NodeStyleEditor *editor);
+static void fill_color_changed_cb (GtkColorButton *widget, NodeStyleEditor *editor);
+static void make_stroke_safe_button_clicked_cb (GtkButton *widget, NodeStyleEditor *editor);
+static void make_fill_safe_button_clicked_cb (GtkButton *widget, NodeStyleEditor *editor);
+static void scale_adjustment_changed_cb (GtkAdjustment *widget, NodeStyleEditor *editor);
+// }}}
+// {{{ Notifications
+
+@interface NodeStyleEditor (Notifications)
+- (void) shapeDictionaryReplaced:(NSNotification*)n;
+- (void) nameChangedTo:(NSString*)value;
+- (void) shapeNameChangedTo:(NSString*)value;
+- (void) strokeColorChangedTo:(GdkColor)value;
+- (void) makeStrokeColorTexSafe;
+- (void) fillColorChangedTo:(GdkColor)value;
+- (void) makeFillColorTexSafe;
+- (void) scaleChangedTo:(double)value;
+@end
+
+// }}}
+// {{{ Private
+
+@interface NodeStyleEditor (Private)
+- (void) loadShapeNames;
+- (void) setActiveShapeName:(NSString*)name;
+@end
+
+// }}}
+// }}}
+// {{{ API
+
+@implementation NodeStyleEditor
+
+- (void) _addWidget:(GtkWidget*)w withLabel:(gchar *)label atRow:(guint)row {
+ NSAssert(row < row_count, @"row_count is wrong!");
+
+ GtkWidget *l = gtk_label_new (label);
+ gtk_widget_show (l);
+ gtk_widget_show (w);
+
+ gtk_table_attach (table, l,
+ 0, 1, row, row+1, // l, r, t, b
+ GTK_FILL, // x opts
+ GTK_FILL | GTK_EXPAND, // y opts
+ 5, // x padding
+ 0); // y padding
+
+ gtk_table_attach (table, w,
+ 1, 2, row, row+1, // l, r, t, b
+ GTK_FILL | GTK_EXPAND, // x opts
+ GTK_FILL | GTK_EXPAND, // y opts
+ 0, // x padding
+ 0); // y padding
+}
+
+- (GtkWidget*) _createMakeColorTexSafeButton:(NSString*)type {
+ GtkWidget *b = gtk_button_new ();
+ GtkWidget *icon = gtk_image_new_from_stock (GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_BUTTON);
+ gtk_widget_show (icon);
+ gtk_container_add (GTK_CONTAINER (b), icon);
+ NSString *ttip = [NSString stringWithFormat:@"The %@ colour is not a predefined TeX colour.\nClick here to choose the nearest TeX-safe colour.", type];
+ gtk_widget_set_tooltip_text (b, [ttip UTF8String]);
+ return b;
+}
+
+- (id) init {
+ self = [super init];
+
+ if (self != nil) {
+ style = nil;
+ table = GTK_TABLE (gtk_table_new (row_count, 2, FALSE));
+ gtk_widget_set_sensitive (GTK_WIDGET (table), FALSE);
+ blockSignals = NO;
+
+ /**
+ * Name
+ */
+ nameEdit = GTK_ENTRY (gtk_entry_new ());
+ g_object_ref_sink (nameEdit);
+ [self _addWidget:GTK_WIDGET (nameEdit)
+ withLabel:"Name"
+ atRow:0];
+ g_signal_connect (G_OBJECT (nameEdit),
+ "changed",
+ G_CALLBACK (style_name_edit_changed_cb),
+ self);
+
+
+ /**
+ * Shape
+ */
+ GtkListStore *store = gtk_list_store_new (1, G_TYPE_STRING);
+ shapeNameCombo = GTK_COMBO_BOX (gtk_combo_box_new_with_model (GTK_TREE_MODEL (store)));
+ GtkCellRenderer *cellRend = gtk_cell_renderer_text_new ();
+ gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (shapeNameCombo),
+ cellRend,
+ TRUE);
+ gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (shapeNameCombo), cellRend, "text", 0);
+ g_object_ref_sink (shapeNameCombo);
+ [self _addWidget:GTK_WIDGET (shapeNameCombo)
+ withLabel:"Shape"
+ atRow:1];
+ g_signal_connect (G_OBJECT (shapeNameCombo),
+ "changed",
+ G_CALLBACK (style_shape_combo_changed_cb),
+ self);
+
+
+ /**
+ * Stroke colour
+ */
+ GtkWidget *strokeBox = gtk_hbox_new (FALSE, 0);
+ [self _addWidget:strokeBox
+ withLabel:"Stroke colour"
+ atRow:2];
+ strokeColorButton = GTK_COLOR_BUTTON (gtk_color_button_new ());
+ g_object_ref_sink (strokeColorButton);
+ gtk_widget_show (GTK_WIDGET (strokeColorButton));
+ gtk_box_pack_start (GTK_BOX (strokeBox), GTK_WIDGET (strokeColorButton),
+ FALSE, FALSE, 0);
+ makeStrokeTexSafeButton = [self _createMakeColorTexSafeButton:@"stroke"];
+ g_object_ref_sink (makeStrokeTexSafeButton);
+ gtk_box_pack_start (GTK_BOX (strokeBox), makeStrokeTexSafeButton,
+ FALSE, FALSE, 0);
+ g_signal_connect (G_OBJECT (strokeColorButton),
+ "color-set",
+ G_CALLBACK (stroke_color_changed_cb),
+ self);
+ g_signal_connect (G_OBJECT (makeStrokeTexSafeButton),
+ "clicked",
+ G_CALLBACK (make_stroke_safe_button_clicked_cb),
+ self);
+
+
+ /**
+ * Fill colour
+ */
+ GtkWidget *fillBox = gtk_hbox_new (FALSE, 0);
+ [self _addWidget:fillBox
+ withLabel:"Fill colour"
+ atRow:3];
+ fillColorButton = GTK_COLOR_BUTTON (gtk_color_button_new ());
+ g_object_ref_sink (fillColorButton);
+ gtk_widget_show (GTK_WIDGET (fillColorButton));
+ gtk_box_pack_start (GTK_BOX (fillBox), GTK_WIDGET (fillColorButton),
+ FALSE, FALSE, 0);
+ makeFillTexSafeButton = [self _createMakeColorTexSafeButton:@"fill"];
+ g_object_ref_sink (makeFillTexSafeButton);
+ gtk_box_pack_start (GTK_BOX (fillBox), makeFillTexSafeButton,
+ FALSE, FALSE, 0);
+ g_signal_connect (G_OBJECT (fillColorButton),
+ "color-set",
+ G_CALLBACK (fill_color_changed_cb),
+ self);
+ g_signal_connect (G_OBJECT (makeFillTexSafeButton),
+ "clicked",
+ G_CALLBACK (make_fill_safe_button_clicked_cb),
+ self);
+
+
+ /**
+ * Scale
+ */
+ scaleAdj = GTK_ADJUSTMENT (gtk_adjustment_new (
+ 1.0, // value
+ 0.0, // lower
+ 50.0, // upper
+ 0.20, // step
+ 1.0, // page
+ 0.0)); // (irrelevant)
+ g_object_ref_sink (scaleAdj);
+ GtkWidget *scaleSpin = gtk_spin_button_new (scaleAdj, 0.0, 2);
+ [self _addWidget:scaleSpin
+ withLabel:"Scale"
+ atRow:4];
+ g_signal_connect (G_OBJECT (scaleAdj),
+ "value-changed",
+ G_CALLBACK (scale_adjustment_changed_cb),
+ self);
+
+ [self loadShapeNames];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(shapeDictionaryReplaced:)
+ name:@"ShapeDictionaryReplaced"
+ object:[Shape class]];
+ }
+
+ return self;
+}
+
+- (void) dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+
+ g_object_unref (nameEdit);
+ g_object_unref (shapeNameCombo);
+ g_object_unref (strokeColorButton);
+ g_object_unref (makeStrokeTexSafeButton);
+ g_object_unref (fillColorButton);
+ g_object_unref (makeFillTexSafeButton);
+ g_object_unref (scaleAdj);
+ g_object_unref (table);
+ [style release];
+
+ [super dealloc];
+}
+
+- (NodeStyle*) style {
+ return style;
+}
+
+- (void) setStyle:(NodeStyle*)s {
+ blockSignals = YES;
+ NodeStyle *oldStyle = style;
+ style = [s retain];
+
+ if (style != nil) {
+ gtk_widget_set_sensitive (GTK_WIDGET (table), TRUE);
+
+ gtk_entry_set_text(nameEdit, [[style name] UTF8String]);
+
+ [self setActiveShapeName:[style shapeName]];
+
+ GdkColor c = [style strokeColor];
+ gtk_color_button_set_color(strokeColorButton, &c);
+
+ gtk_widget_set_visible (makeStrokeTexSafeButton, ([[style strokeColorRGB] name] == nil));
+
+ c = [style fillColor];
+ gtk_color_button_set_color(fillColorButton, &c);
+
+ gtk_widget_set_visible (makeFillTexSafeButton, ([[style fillColorRGB] name] == nil));
+
+ gtk_adjustment_set_value(scaleAdj, [style scale]);
+ } else {
+ gtk_entry_set_text(nameEdit, "");
+ [self setActiveShapeName:nil];
+ gtk_widget_set_visible (makeStrokeTexSafeButton, FALSE);
+ gtk_widget_set_visible (makeFillTexSafeButton, FALSE);
+ gtk_adjustment_set_value(scaleAdj, 1.0);
+ gtk_widget_set_sensitive (GTK_WIDGET (table), FALSE);
+ }
+
+ [oldStyle release];
+ blockSignals = NO;
+}
+
+- (GtkWidget*) widget {
+ return GTK_WIDGET (table);
+}
+
+@end
+
+// }}}
+// {{{ Notifications
+
+@implementation NodeStyleEditor (Notifications)
+- (void) shapeDictionaryReplaced:(NSNotification*)n {
+ blockSignals = YES;
+
+ [self loadShapeNames];
+ [self setActiveShapeName:[style shapeName]];
+
+ blockSignals = NO;
+}
+
+- (void) nameChangedTo:(NSString*)value {
+ [style setName:value];
+}
+
+- (void) shapeNameChangedTo:(NSString*)value {
+ [style setShapeName:value];
+}
+
+- (void) strokeColorChangedTo:(GdkColor)value {
+ [style setStrokeColor:value];
+ gtk_widget_set_visible (makeStrokeTexSafeButton,
+ [[style strokeColorRGB] name] == nil);
+}
+
+- (void) makeStrokeColorTexSafe {
+ if (style != nil) {
+ [[style strokeColorRGB] setToClosestHashed];
+ GdkColor color = [style strokeColor];
+ gtk_color_button_set_color(strokeColorButton, &color);
+ gtk_widget_set_visible (makeStrokeTexSafeButton, FALSE);
+ }
+}
+
+- (void) fillColorChangedTo:(GdkColor)value {
+ [style setFillColor:value];
+ gtk_widget_set_visible (makeFillTexSafeButton,
+ [[style fillColorRGB] name] == nil);
+}
+
+- (void) makeFillColorTexSafe {
+ if (style != nil) {
+ [[style fillColorRGB] setToClosestHashed];
+ GdkColor color = [style fillColor];
+ gtk_color_button_set_color(fillColorButton, &color);
+ gtk_widget_set_visible (makeFillTexSafeButton, FALSE);
+ }
+}
+
+- (void) scaleChangedTo:(double)value {
+ [style setScale:value];
+}
+@end
+
+// }}}
+// {{{ Private
+
+@implementation NodeStyleEditor (Private)
+- (BOOL) signalsBlocked { return blockSignals; }
+
+- (void) loadShapeNames {
+ blockSignals = YES;
+
+ gtk_combo_box_set_active (shapeNameCombo, -1);
+
+ GtkListStore *list = GTK_LIST_STORE (gtk_combo_box_get_model (shapeNameCombo));
+ gtk_list_store_clear (list);
+
+ NSEnumerator *en = [[Shape shapeDictionary] keyEnumerator];
+ NSString *shapeName;
+ GtkTreeIter iter;
+ while ((shapeName = [en nextObject]) != nil) {
+ gtk_list_store_append (list, &iter);
+ gtk_list_store_set (list, &iter, 0, [shapeName UTF8String], -1);
+ }
+
+ blockSignals = NO;
+}
+
+- (void) setActiveShapeName:(NSString*)name {
+ if (name == nil) {
+ gtk_combo_box_set_active (shapeNameCombo, -1);
+ return;
+ }
+ const gchar *shapeName = [name UTF8String];
+
+ GtkTreeModel *model = gtk_combo_box_get_model (shapeNameCombo);
+ GtkTreeIter iter;
+ if (gtk_tree_model_get_iter_first (model, &iter)) {
+ do {
+ gchar *rowShapeName;
+ gtk_tree_model_get (model, &iter, 0, &rowShapeName, -1);
+ if (g_strcmp0 (shapeName, rowShapeName) == 0) {
+ gtk_combo_box_set_active_iter (shapeNameCombo, &iter);
+ g_free (rowShapeName);
+ return;
+ }
+ g_free (rowShapeName);
+ } while (gtk_tree_model_iter_next (model, &iter));
+ }
+}
+@end
+
+// }}}
+// {{{ GTK+ callbacks
+
+static void style_name_edit_changed_cb (GtkEditable *widget, NodeStyleEditor *editor) {
+ if ([editor signalsBlocked])
+ return;
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ const gchar *contents = gtk_entry_get_text (GTK_ENTRY (widget));
+ [editor nameChangedTo:[NSString stringWithUTF8String:contents]];
+
+ [pool drain];
+}
+
+static void style_shape_combo_changed_cb (GtkComboBox *widget, NodeStyleEditor *editor) {
+ if ([editor signalsBlocked])
+ return;
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ GtkTreeIter iter;
+ gtk_combo_box_get_active_iter (widget, &iter);
+ gchar *shapeName = NULL;
+ gtk_tree_model_get (gtk_combo_box_get_model (widget), &iter, 0, &shapeName, -1);
+ [editor shapeNameChangedTo:[NSString stringWithUTF8String:shapeName]];
+ g_free (shapeName);
+
+ [pool drain];
+}
+
+static void stroke_color_changed_cb (GtkColorButton *widget, NodeStyleEditor *editor) {
+ if ([editor signalsBlocked])
+ return;
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ GdkColor color;
+ gtk_color_button_get_color (widget, &color);
+ [editor strokeColorChangedTo:color];
+
+ [pool drain];
+}
+
+static void fill_color_changed_cb (GtkColorButton *widget, NodeStyleEditor *editor) {
+ if ([editor signalsBlocked])
+ return;
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ GdkColor color;
+ gtk_color_button_get_color (widget, &color);
+ [editor fillColorChangedTo:color];
+
+ [pool drain];
+}
+
+static void make_stroke_safe_button_clicked_cb (GtkButton *widget, NodeStyleEditor *editor) {
+ if ([editor signalsBlocked])
+ return;
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor makeStrokeColorTexSafe];
+ [pool drain];
+}
+
+static void make_fill_safe_button_clicked_cb (GtkButton *widget, NodeStyleEditor *editor) {
+ if ([editor signalsBlocked])
+ return;
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor makeFillColorTexSafe];
+ [pool drain];
+}
+
+static void scale_adjustment_changed_cb (GtkAdjustment *adj, NodeStyleEditor *editor) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor scaleChangedTo:gtk_adjustment_get_value (adj)];
+ [pool drain];
+}
+
+// }}}
+
+// vim:ft=objc:ts=4:noet:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/NodeStyleSelector.h b/tikzit/src/linux/NodeStyleSelector.h
new file mode 100644
index 0000000..c6c8833
--- /dev/null
+++ b/tikzit/src/linux/NodeStyleSelector.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+#import "StyleManager.h"
+
+@interface NodeStyleSelector: NSObject {
+ GtkListStore *store;
+ GtkIconView *view;
+ StyleManager *styleManager;
+ BOOL linkedToActiveStyle;
+ BOOL suppressSetActiveStyle;
+}
+
+/*!
+ @property widget
+ @brief The GTK widget
+ */
+@property (readonly) GtkWidget *widget;
+
+/*!
+ @property manager
+ @brief The StyleManager to use. Default is [StyleManager manager]
+ */
+@property (retain) StyleManager *styleManager;
+
+/*!
+ @property linkedToActiveStyles
+ @brief Whether the current selection should be the same as the
+ style manager's active style
+ */
+@property (getter=isLinkedToActiveStyle) BOOL linkedToActiveStyle;
+
+/*!
+ @property selectedStyle
+ @brief The selected style. If linkedToActiveStyle is YES, this
+ will be the same as [manager activeStyle].
+
+ When this changes, a SelectedStyleChanged notification will be posted
+ */
+@property (assign) NodeStyle *selectedStyle;
+
+/*!
+ * Initialise with the default style manager and a new icon view widget
+ */
+- (id) init;
+/*!
+ * Initialise with the default style manager and the given icon view widget
+ */
+- (id) initWithIconView:(GtkIconView*)view;
+/*!
+ * Initialise with the given style manager and a new icon view widget
+ */
+- (id) initWithStyleManager:(StyleManager*)m;
+/*!
+ * Initialise with the given style manager and icon view widget
+ */
+- (id) initWithIconView:(GtkIconView*)view andStyleManager:(StyleManager*)m;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStyleSelector.m b/tikzit/src/linux/NodeStyleSelector.m
new file mode 100644
index 0000000..5539b93
--- /dev/null
+++ b/tikzit/src/linux/NodeStyleSelector.m
@@ -0,0 +1,429 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "NodeStyleSelector.h"
+
+#import "CairoRenderContext.h"
+#import "Shape.h"
+#import "Shape+Render.h"
+#import "ShapeNames.h"
+#import "StyleManager.h"
+
+#import "gdk-pixbuf/gdk-pixbuf.h"
+
+// {{{ Signals
+static void selection_changed_cb (GtkIconView *widget, NodeStyleSelector *mgr);
+// }}}
+
+enum {
+ STYLES_NAME_COL = 0,
+ STYLES_ICON_COL,
+ STYLES_PTR_COL,
+ STYLES_N_COLS
+};
+
+@interface NodeStyleSelector (Notifications)
+- (void) stylesReplaced:(NSNotification*)notification;
+- (void) styleAdded:(NSNotification*)notification;
+- (void) styleRemoved:(NSNotification*)notification;
+- (void) activeStyleChanged:(NSNotification*)notification;
+- (void) stylePropertyChanged:(NSNotification*)notification;
+- (void) shapeDictionaryReplaced:(NSNotification*)n;
+- (void) selectionChanged;
+@end
+
+@interface NodeStyleSelector (Private)
+- (cairo_surface_t*) createNodeIconSurface;
+- (GdkPixbuf*) pixbufOfNodeInStyle:(NodeStyle*)style;
+- (GdkPixbuf*) pixbufFromSurface:(cairo_surface_t*)surface;
+- (GdkPixbuf*) pixbufOfNodeInStyle:(NodeStyle*)style usingSurface:(cairo_surface_t*)surface;
+- (void) addStyle:(NodeStyle*)style;
+- (void) postSelectedStyleChanged;
+- (void) reloadStyles;
+@end
+
+// {{{ API
+@implementation NodeStyleSelector
+
+- (id) init {
+ self = [self initWithStyleManager:[StyleManager manager]];
+ return self;
+}
+
+- (id) initWithIconView:(GtkIconView*)view {
+ self = [self initWithIconView:GTK_ICON_VIEW (gtk_icon_view_new ()) andStyleManager:[StyleManager manager]];
+ return self;
+}
+
+- (id) initWithStyleManager:(StyleManager*)m {
+ self = [self initWithIconView:GTK_ICON_VIEW (gtk_icon_view_new ()) andStyleManager:m];
+ return self;
+}
+
+- (id) initWithIconView:(GtkIconView*)v andStyleManager:(StyleManager*)m {
+ self = [super init];
+
+ if (self) {
+ styleManager = nil;
+ linkedToActiveStyle = YES;
+
+ store = gtk_list_store_new (STYLES_N_COLS,
+ G_TYPE_STRING,
+ GDK_TYPE_PIXBUF,
+ G_TYPE_POINTER);
+ g_object_ref (store);
+
+ view = v;
+ g_object_ref (view);
+
+ gtk_icon_view_set_model (view, GTK_TREE_MODEL (store));
+ gtk_icon_view_set_pixbuf_column (view, STYLES_ICON_COL);
+ gtk_icon_view_set_tooltip_column (view, STYLES_NAME_COL);
+ gtk_icon_view_set_selection_mode (view, GTK_SELECTION_SINGLE);
+
+ g_signal_connect (G_OBJECT (view),
+ "selection-changed",
+ G_CALLBACK (selection_changed_cb),
+ self);
+
+ [self setStyleManager:m];
+
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(stylePropertyChanged:)
+ name:@"NodeStylePropertyChanged"
+ object:nil];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(shapeDictionaryReplaced:)
+ name:@"ShapeDictionaryReplaced"
+ object:[Shape class]];
+ }
+
+ return self;
+}
+
+- (void) clearModel {
+ [self setSelectedStyle:nil];
+ GtkTreeModel *model = GTK_TREE_MODEL (store);
+ GtkTreeIter row;
+ if (gtk_tree_model_get_iter_first (model, &row)) {
+ do {
+ NodeStyle *rowStyle;
+ gtk_tree_model_get (model, &row, STYLES_PTR_COL, &rowStyle, -1);
+ [rowStyle release];
+ } while (gtk_tree_model_iter_next (model, &row));
+ }
+ gtk_list_store_clear (store);
+}
+
+- (StyleManager*) styleManager {
+ return styleManager;
+}
+
+- (void) setStyleManager:(StyleManager*)m {
+ if (m == nil) {
+ [NSException raise:NSInvalidArgumentException format:@"Style manager cannot be nil"];
+ }
+ [m retain];
+
+ [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:styleManager];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(stylesReplaced:)
+ name:@"NodeStylesReplaced"
+ object:m];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(styleAdded:)
+ name:@"NodeStyleAdded"
+ object:m];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(styleRemoved:)
+ name:@"NodeStyleRemoved"
+ object:m];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(activeStyleChanged:)
+ name:@"ActiveNodeStyleChanged"
+ object:m];
+
+ [styleManager release];
+ styleManager = m;
+
+ [self reloadStyles];
+}
+
+- (GtkWidget*) widget {
+ return GTK_WIDGET (view);
+}
+
+- (BOOL) isLinkedToActiveStyle {
+ return linkedToActiveStyle;
+}
+
+- (void) setLinkedToActiveStyle:(BOOL)linked {
+ linkedToActiveStyle = linked;
+ if (linkedToActiveStyle) {
+ NodeStyle *style = [self selectedStyle];
+ if ([styleManager activeNodeStyle] != style) {
+ [self setSelectedStyle:[styleManager activeNodeStyle]];
+ }
+ }
+}
+
+- (NodeStyle*) selectedStyle {
+ GList *list = gtk_icon_view_get_selected_items (view);
+ if (!list) {
+ return nil;
+ }
+ if (list->next != NULL) {
+ NSLog(@"Multiple selected items in NodeStyleSelector!");
+ }
+
+ GtkTreePath *path = (GtkTreePath*) list->data;
+ GtkTreeIter iter;
+ gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path);
+ NodeStyle *style = nil;
+ gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, STYLES_PTR_COL, &style, -1);
+
+ g_list_foreach (list, (GFunc)gtk_tree_path_free, NULL);
+ g_list_free (list);
+
+ return style;
+}
+
+- (void) setSelectedStyle:(NodeStyle*)style {
+ if (style == nil) {
+ gtk_icon_view_unselect_all (view);
+ return;
+ }
+
+ GtkTreeModel *m = GTK_TREE_MODEL (store);
+ GtkTreeIter row;
+ if (gtk_tree_model_get_iter_first (m, &row)) {
+ do {
+ NodeStyle *rowStyle;
+ gtk_tree_model_get (m, &row, STYLES_PTR_COL, &rowStyle, -1);
+ if (style == rowStyle) {
+ gtk_icon_view_unselect_all (view);
+ GtkTreePath *path = gtk_tree_model_get_path (m, &row);
+ gtk_icon_view_select_path (view, path);
+ gtk_tree_path_free (path);
+ // styleManager.activeStyle will be updated by the GTK+ callback
+ return;
+ }
+ } while (gtk_tree_model_iter_next (m, &row));
+ }
+}
+
+- (void) dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+ g_object_unref (view);
+ [self clearModel];
+ g_object_unref (store);
+ [styleManager release];
+
+ [super dealloc];
+}
+
+@end
+// }}}
+
+// {{{ Notifications
+@implementation NodeStyleSelector (Notifications)
+
+- (void) stylesReplaced:(NSNotification*)notification {
+ [self reloadStyles];
+}
+
+- (void) styleAdded:(NSNotification*)notification {
+ [self addStyle:[[notification userInfo] objectForKey:@"style"]];
+}
+
+- (void) styleRemoved:(NSNotification*)notification {
+ NodeStyle *style = [[notification userInfo] objectForKey:@"style"];
+
+ GtkTreeModel *model = GTK_TREE_MODEL (store);
+ GtkTreeIter row;
+ if (gtk_tree_model_get_iter_first (model, &row)) {
+ do {
+ NodeStyle *rowStyle;
+ gtk_tree_model_get (model, &row, STYLES_PTR_COL, &rowStyle, -1);
+ if (style == rowStyle) {
+ gtk_list_store_remove (store, &row);
+ [rowStyle release];
+ return;
+ }
+ } while (gtk_tree_model_iter_next (model, &row));
+ }
+}
+
+- (void) activeStyleChanged:(NSNotification*)notification {
+ if (linkedToActiveStyle) {
+ NodeStyle *style = [self selectedStyle];
+ if ([styleManager activeNodeStyle] != style) {
+ [self setSelectedStyle:[styleManager activeNodeStyle]];
+ }
+ }
+}
+
+- (void) stylePropertyChanged:(NSNotification*)notification {
+ NodeStyle *style = [notification object];
+
+ GtkTreeModel *model = GTK_TREE_MODEL (store);
+ GtkTreeIter row;
+ if (gtk_tree_model_get_iter_first (model, &row)) {
+ do {
+ NodeStyle *rowStyle;
+ gtk_tree_model_get (model, &row, STYLES_PTR_COL, &rowStyle, -1);
+ if (style == rowStyle) {
+ if ([@"name" isEqual:[[notification userInfo] objectForKey:@"propertyName"]]) {
+ gtk_list_store_set (store, &row, STYLES_NAME_COL, [[style name] UTF8String], -1);
+ } else if (![@"scale" isEqual:[[notification userInfo] objectForKey:@"propertyName"]]) {
+ GdkPixbuf *pixbuf = [self pixbufOfNodeInStyle:style];
+ gtk_list_store_set (store, &row, STYLES_ICON_COL, pixbuf, -1);
+ gdk_pixbuf_unref (pixbuf);
+ }
+ }
+ } while (gtk_tree_model_iter_next (model, &row));
+ }
+}
+
+- (void) shapeDictionaryReplaced:(NSNotification*)n {
+ [self reloadStyles];
+}
+
+- (void) selectionChanged {
+ if (linkedToActiveStyle) {
+ NodeStyle *style = [self selectedStyle];
+ if ([styleManager activeNodeStyle] != style) {
+ [styleManager setActiveNodeStyle:style];
+ }
+ }
+ [self postSelectedStyleChanged];
+}
+@end
+// }}}
+
+// {{{ Private
+@implementation NodeStyleSelector (Private)
+- (cairo_surface_t*) createNodeIconSurface {
+ return cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 24, 24);
+}
+
+- (GdkPixbuf*) pixbufOfNodeInStyle:(NodeStyle*)style {
+ cairo_surface_t *surface = [self createNodeIconSurface];
+ GdkPixbuf *pixbuf = [self pixbufOfNodeInStyle:style usingSurface:surface];
+ cairo_surface_destroy (surface);
+ return pixbuf;
+}
+
+// Bring on GTK+3 and gdk_pixbuf_get_from_surface()
+- (GdkPixbuf*) pixbufFromSurface:(cairo_surface_t*)surface {
+ cairo_surface_flush (surface);
+
+ int width = cairo_image_surface_get_width (surface);
+ int height = cairo_image_surface_get_height (surface);
+ int stride = cairo_image_surface_get_stride (surface);
+ unsigned char *data = cairo_image_surface_get_data (surface);
+
+ GdkPixbuf *pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
+ TRUE,
+ 8,
+ width,
+ height);
+ unsigned char *pbdata = gdk_pixbuf_get_pixels (pixbuf);
+ int pbstride = gdk_pixbuf_get_rowstride (pixbuf);
+
+ for (int y = 0; y < height; ++y) {
+ uint32_t *line = (uint32_t*)(data + y*stride);
+ unsigned char *pbline = pbdata + (y*pbstride);
+ for (int x = 0; x < width; ++x) {
+ uint32_t pixel = *(line + x);
+ unsigned char *pbpixel = pbline + (x*4);
+ // NB: We should un-pre-mult the alpha here.
+ // However, in our world, alpha is always
+ // on or off, so it doesn't really matter
+ pbpixel[3] = ((pixel & 0xff000000) >> 24);
+ pbpixel[0] = ((pixel & 0x00ff0000) >> 16);
+ pbpixel[1] = ((pixel & 0x0000ff00) >> 8);
+ pbpixel[2] = (pixel & 0x000000ff);
+ }
+ }
+
+ return pixbuf;
+}
+
+- (GdkPixbuf*) pixbufOfNodeInStyle:(NodeStyle*)style usingSurface:(cairo_surface_t*)surface {
+ Shape *shape = [Shape shapeForName:[style shapeName]];
+
+ int width = cairo_image_surface_get_width (surface);
+ int height = cairo_image_surface_get_height (surface);
+ NSRect pixbufBounds = NSMakeRect(0.0, 0.0, width, height);
+ const CGFloat lineWidth = [style strokeThickness];
+ Transformer *shapeTrans = [Transformer transformerToFit:[shape boundingRect]
+ intoScreenRect:NSInsetRect(pixbufBounds, lineWidth, lineWidth)
+ flippedAboutXAxis:YES];
+
+ CairoRenderContext *context = [[CairoRenderContext alloc] initForSurface:surface];
+ [context clearSurface];
+ [shape drawPathWithTransform:shapeTrans andContext:context];
+ [context setLineWidth:lineWidth];
+ [context strokePathWithColor:[[style strokeColorRGB] rColor]
+ andFillWithColor:[[style fillColorRGB] rColor]];
+ [context release];
+
+ return [self pixbufFromSurface:surface];
+}
+
+- (void) addStyle:(NodeStyle*)style usingSurface:(cairo_surface_t*)surface {
+ GtkTreeIter iter;
+ gtk_list_store_append (store, &iter);
+
+ GdkPixbuf *pixbuf = [self pixbufOfNodeInStyle:style usingSurface:surface];
+ gtk_list_store_set (store, &iter,
+ STYLES_NAME_COL, [[style name] UTF8String],
+ STYLES_ICON_COL, pixbuf,
+ STYLES_PTR_COL, (gpointer)[style retain],
+ -1);
+ gdk_pixbuf_unref (pixbuf);
+}
+
+- (void) addStyle:(NodeStyle*)style {
+ cairo_surface_t *surface = [self createNodeIconSurface];
+ [self addStyle:style usingSurface:surface];
+ cairo_surface_destroy (surface);
+}
+
+- (void) postSelectedStyleChanged {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"SelectedStyleChanged" object:self];
+}
+
+- (void) reloadStyles {
+ [self clearModel];
+ for (NodeStyle *style in [styleManager nodeStyles]) {
+ [self addStyle:style];
+ }
+}
+@end
+// }}}
+
+// {{{ GTK+ callbacks
+static void selection_changed_cb (GtkIconView *view, NodeStyleSelector *mgr) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [mgr selectionChanged];
+ [pool drain];
+}
+// }}}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStylesPalette.h b/tikzit/src/linux/NodeStylesPalette.h
new file mode 100644
index 0000000..dfecc17
--- /dev/null
+++ b/tikzit/src/linux/NodeStylesPalette.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+
+@class StyleManager;
+@class NodeStyleSelector;
+@class NodeStyleEditor;
+@class TikzDocument;
+
+@interface NodeStylesPalette: NSObject {
+ TikzDocument *document;
+ NodeStyleSelector *selector;
+ NodeStyleEditor *editor;
+
+ GtkWidget *palette;
+
+ GtkWidget *removeStyleButton;
+ GtkWidget *applyStyleButton;
+ GtkWidget *clearStyleButton;
+}
+
+@property (retain) StyleManager *styleManager;
+@property (retain) TikzDocument *document;
+@property (readonly) GtkWidget *widget;
+
+- (id) initWithManager:(StyleManager*)m;
+
+@end
+
+// vim:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/linux/NodeStylesPalette.m b/tikzit/src/linux/NodeStylesPalette.m
new file mode 100644
index 0000000..18738f7
--- /dev/null
+++ b/tikzit/src/linux/NodeStylesPalette.m
@@ -0,0 +1,275 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "NodeStylesPalette.h"
+
+#import "NodeStyleSelector.h"
+#import "NodeStyleEditor.h"
+#import "StyleManager.h"
+#import "TikzDocument.h"
+
+// {{{ Internal interfaces
+// {{{ GTK+ Callbacks
+static void add_style_button_cb (GtkButton *widget, NodeStylesPalette *palette);
+static void remove_style_button_cb (GtkButton *widget, NodeStylesPalette *palette);
+static void apply_style_button_cb (GtkButton *widget, NodeStylesPalette *palette);
+static void clear_style_button_cb (GtkButton *widget, NodeStylesPalette *palette);
+// }}}
+// {{{ Notifications
+
+@interface NodeStylesPalette (Notifications)
+- (void) selectedStyleChanged:(NSNotification*)notification;
+- (void) nodeSelectionChanged:(NSNotification*)n;
+@end
+
+// }}}
+// {{{ Private
+
+@interface NodeStylesPalette (Private)
+- (void) updateButtonState;
+- (void) removeSelectedStyle;
+- (void) applySelectedStyle;
+- (void) clearSelectedStyle;
+@end
+
+// }}}
+// }}}
+// {{{ API
+
+@implementation NodeStylesPalette
+
+@synthesize widget=palette;
+
+- (id) init {
+ [self release];
+ self = nil;
+ return nil;
+}
+
+- (id) initWithManager:(StyleManager*)m {
+ self = [super init];
+
+ if (self) {
+ document = nil;
+ selector = [[NodeStyleSelector alloc] initWithStyleManager:m];
+ editor = [[NodeStyleEditor alloc] init];
+
+ palette = gtk_vbox_new (FALSE, 0);
+ g_object_ref_sink (palette);
+
+ gtk_box_pack_start (GTK_BOX (palette), [editor widget], FALSE, FALSE, 0);
+ gtk_widget_show ([editor widget]);
+ gtk_box_pack_start (GTK_BOX (palette), [selector widget], TRUE, TRUE, 0);
+ gtk_widget_show ([selector widget]);
+
+ GtkBox *buttonBox = GTK_BOX (gtk_hbox_new(FALSE, 5));
+ gtk_box_pack_start (GTK_BOX (palette), GTK_WIDGET (buttonBox), FALSE, FALSE, 0);
+
+ GtkBox *bbox1 = GTK_BOX (gtk_hbox_new(FALSE, 0));
+ gtk_box_pack_start (buttonBox, GTK_WIDGET (bbox1), FALSE, FALSE, 0);
+
+ GtkWidget *addStyleButton = gtk_button_new ();
+ gtk_widget_set_tooltip_text (addStyleButton, "Add a new style");
+ GtkWidget *addIcon = gtk_image_new_from_stock (GTK_STOCK_ADD, GTK_ICON_SIZE_BUTTON);
+ gtk_container_add (GTK_CONTAINER (addStyleButton), addIcon);
+ gtk_box_pack_start (bbox1, addStyleButton, FALSE, FALSE, 0);
+ g_signal_connect (G_OBJECT (addStyleButton),
+ "clicked",
+ G_CALLBACK (add_style_button_cb),
+ self);
+
+ removeStyleButton = gtk_button_new ();
+ g_object_ref_sink (removeStyleButton);
+ gtk_widget_set_tooltip_text (removeStyleButton, "Delete selected style");
+ GtkWidget *removeIcon = gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_BUTTON);
+ gtk_container_add (GTK_CONTAINER (removeStyleButton), removeIcon);
+ gtk_box_pack_start (bbox1, removeStyleButton, FALSE, FALSE, 0);
+ g_signal_connect (G_OBJECT (removeStyleButton),
+ "clicked",
+ G_CALLBACK (remove_style_button_cb),
+ self);
+
+ GtkBox *bbox2 = GTK_BOX (gtk_hbox_new(FALSE, 0));
+ gtk_box_pack_start (buttonBox, GTK_WIDGET (bbox2), FALSE, FALSE, 0);
+
+ applyStyleButton = gtk_button_new_with_label ("Apply");
+ g_object_ref_sink (applyStyleButton);
+ gtk_widget_set_tooltip_text (applyStyleButton, "Apply style to selected nodes");
+ gtk_box_pack_start (bbox2, applyStyleButton, FALSE, FALSE, 5);
+ g_signal_connect (G_OBJECT (applyStyleButton),
+ "clicked",
+ G_CALLBACK (apply_style_button_cb),
+ self);
+
+ clearStyleButton = gtk_button_new_with_label ("Clear");
+ g_object_ref_sink (clearStyleButton);
+ gtk_widget_set_tooltip_text (clearStyleButton, "Clear style from selected nodes");
+ gtk_box_pack_start (bbox2, clearStyleButton, FALSE, FALSE, 0);
+ g_signal_connect (G_OBJECT (clearStyleButton),
+ "clicked",
+ G_CALLBACK (clear_style_button_cb),
+ self);
+
+ gtk_widget_show_all (GTK_WIDGET (buttonBox));
+
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(selectedStyleChanged:)
+ name:@"SelectedStyleChanged"
+ object:selector];
+
+ [self updateButtonState];
+ }
+
+ return self;
+}
+
+- (StyleManager*) styleManager {
+ return [selector styleManager];
+}
+
+- (void) setStyleManager:(StyleManager*)m {
+ [selector setStyleManager:m];
+}
+
+- (TikzDocument*) document {
+ return document;
+}
+
+- (void) setDocument:(TikzDocument*)doc {
+ if (document != nil) {
+ [[NSNotificationCenter defaultCenter] removeObserver:self
+ name:nil
+ object:[document pickSupport]];
+ }
+
+ [doc retain];
+ [document release];
+ document = doc;
+
+ if (document != nil) {
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(nodeSelectionChanged:)
+ name:@"NodeSelectionChanged"
+ object:[document pickSupport]];
+ }
+}
+
+- (void) dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+ [editor release];
+ [selector release];
+ [document release];
+ g_object_unref (palette);
+ g_object_unref (removeStyleButton);
+ g_object_unref (applyStyleButton);
+ g_object_unref (clearStyleButton);
+
+ [super dealloc];
+}
+
+@end
+
+// }}}
+// {{{ Notifications
+
+@implementation NodeStylesPalette (Notifications)
+- (void) selectedStyleChanged:(NSNotification*)notification {
+ [editor setStyle:[selector selectedStyle]];
+ [self updateButtonState];
+}
+
+- (void) nodeSelectionChanged:(NSNotification*)n {
+ [self updateButtonState];
+}
+@end
+
+// }}}
+// {{{ Private
+
+@implementation NodeStylesPalette (Private)
+- (void) updateButtonState {
+ gboolean hasNodeSelection = [[[document pickSupport] selectedNodes] count] > 0;
+ gboolean hasStyleSelection = [selector selectedStyle] != nil;
+
+ gtk_widget_set_sensitive (applyStyleButton, hasNodeSelection && hasStyleSelection);
+ gtk_widget_set_sensitive (clearStyleButton, hasNodeSelection);
+ gtk_widget_set_sensitive (removeStyleButton, hasStyleSelection);
+}
+
+- (void) removeSelectedStyle {
+ NodeStyle *style = [selector selectedStyle];
+ if (style)
+ [[selector styleManager] removeNodeStyle:style];
+}
+
+- (void) applySelectedStyle {
+ [document startModifyNodes:[[document pickSupport] selectedNodes]];
+
+ NodeStyle *style = [selector selectedStyle];
+ for (Node *node in [[document pickSupport] selectedNodes]) {
+ [node setStyle:style];
+ }
+
+ [document endModifyNodes];
+}
+
+- (void) clearSelectedStyle {
+ [document startModifyNodes:[[document pickSupport] selectedNodes]];
+
+ for (Node *node in [[document pickSupport] selectedNodes]) {
+ [node setStyle:nil];
+ }
+
+ [document endModifyNodes];
+}
+
+@end
+
+// }}}
+// {{{ GTK+ callbacks
+
+static void add_style_button_cb (GtkButton *widget, NodeStylesPalette *palette) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ NodeStyle *newStyle = [NodeStyle defaultNodeStyleWithName:@"newstyle"];
+ [[palette styleManager] addNodeStyle:newStyle];
+ [[palette styleManager] setActiveNodeStyle:newStyle];
+
+ [pool drain];
+}
+
+static void remove_style_button_cb (GtkButton *widget, NodeStylesPalette *palette) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [palette removeSelectedStyle];
+ [pool drain];
+}
+
+static void apply_style_button_cb (GtkButton *widget, NodeStylesPalette *palette) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [palette applySelectedStyle];
+ [pool drain];
+}
+
+static void clear_style_button_cb (GtkButton *widget, NodeStylesPalette *palette) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [palette clearSelectedStyle];
+ [pool drain];
+}
+
+// }}}
+
+// vim:ft=objc:ts=4:noet:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/PreambleEditor.h b/tikzit/src/linux/PreambleEditor.h
new file mode 100644
index 0000000..6849d74
--- /dev/null
+++ b/tikzit/src/linux/PreambleEditor.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+
+@class Preambles;
+
+@interface PreambleEditor: NSObject {
+ Preambles *preambles;
+
+ // we don't keep any refs, as we control
+ // the top window
+ GtkWindow *parentWindow;
+ GtkWindow *window;
+ GtkListStore *preambleListStore;
+ GtkTreeView *preambleSelector;
+ GtkTextView *preambleView;
+ BOOL blockSignals;
+ BOOL adding;
+}
+
+- (id) initWithPreambles:(Preambles*)p;
+
+- (void) setParentWindow:(GtkWindow*)parent;
+
+- (Preambles*) preambles;
+
+- (void) show;
+- (void) hide;
+- (BOOL) isVisible;
+- (void) setVisible:(BOOL)visible;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/PreambleEditor.m b/tikzit/src/linux/PreambleEditor.m
new file mode 100644
index 0000000..eb05781
--- /dev/null
+++ b/tikzit/src/linux/PreambleEditor.m
@@ -0,0 +1,489 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "PreambleEditor.h"
+#import "Preambles.h"
+
+enum {
+ NAME_COLUMN,
+ IS_CUSTOM_COLUMN,
+ N_COLUMNS
+};
+
+// {{{ Internal interfaces
+// {{{ Signals
+static gboolean window_delete_event_cb (GtkWidget *widget,
+ GdkEvent *event,
+ PreambleEditor *editor);
+static void close_button_clicked_cb (GtkButton *widget, PreambleEditor *editor);
+static void add_button_clicked_cb (GtkButton *widget, PreambleEditor *editor);
+static void remove_button_clicked_cb (GtkButton *widget, PreambleEditor *editor);
+static void undo_button_clicked_cb (GtkButton *widget, PreambleEditor *editor);
+static void redo_button_clicked_cb (GtkButton *widget, PreambleEditor *editor);
+static void preamble_name_edited_cb (GtkCellRendererText *renderer,
+ gchar *path,
+ gchar *new_text,
+ PreambleEditor *editor);
+static void preamble_selection_changed_cb (GtkTreeSelection *treeselection,
+ PreambleEditor *editor);
+// }}}
+
+@interface PreambleEditor (Private)
+- (void) loadUi;
+- (void) save;
+- (void) revert;
+- (void) update;
+- (void) fillListStore;
+- (BOOL) isDefaultPreambleSelected;
+- (NSString*) selectedPreambleName;
+- (void) addPreamble;
+- (void) deletePreamble;
+- (void) renamePreambleAtPath:(gchar*)path to:(gchar*)newValue;
+@end
+
+// }}}
+// {{{ API
+
+@implementation PreambleEditor
+
+- (id) init {
+ [self release];
+ self = nil;
+ return nil;
+}
+
+- (id) initWithPreambles:(Preambles*)p {
+ self = [super init];
+
+ if (self) {
+ preambles = [p retain];
+ parentWindow = NULL;
+ window = NULL;
+ preambleView = NULL;
+ preambleSelector = NULL;
+ blockSignals = NO;
+ adding = NO;
+ }
+
+ return self;
+}
+
+- (Preambles*) preambles {
+ return preambles;
+}
+
+- (void) setParentWindow:(GtkWindow*)parent {
+ parentWindow = parent;
+ if (window) {
+ gtk_window_set_transient_for (window, parentWindow);
+ }
+}
+
+- (void) show {
+ [self loadUi];
+ gtk_widget_show (GTK_WIDGET (window));
+ [self revert];
+}
+
+- (void) hide {
+ if (!window) {
+ return;
+ }
+ [self save];
+ gtk_widget_hide (GTK_WIDGET (window));
+}
+
+- (BOOL) isVisible {
+ if (!window) {
+ return NO;
+ }
+ gboolean visible;
+ g_object_get (G_OBJECT (window), "visible", &visible, NULL);
+ return visible ? YES : NO;
+}
+
+- (void) setVisible:(BOOL)visible {
+ if (visible) {
+ [self show];
+ } else {
+ [self hide];
+ }
+}
+
+- (void) dealloc {
+ [preambles release];
+ preambles = nil;
+ gtk_widget_destroy (GTK_WIDGET (window));
+ window = NULL;
+
+ [super dealloc];
+}
+
+@end
+
+// }}}
+// {{{ Private
+
+@implementation PreambleEditor (Private)
+- (GtkWidget*) createPreambleList {
+ preambleListStore = gtk_list_store_new (N_COLUMNS, G_TYPE_STRING, G_TYPE_BOOLEAN);
+ preambleSelector = GTK_TREE_VIEW (gtk_tree_view_new_with_model (
+ GTK_TREE_MODEL (preambleListStore)));
+ gtk_widget_set_size_request (GTK_WIDGET (preambleSelector), 150, -1);
+ gtk_tree_view_set_headers_visible (preambleSelector, FALSE);
+
+ GtkCellRenderer *renderer;
+ GtkTreeViewColumn *column;
+
+ renderer = gtk_cell_renderer_text_new ();
+ column = gtk_tree_view_column_new_with_attributes ("Preamble",
+ renderer,
+ "text", NAME_COLUMN,
+ "editable", IS_CUSTOM_COLUMN,
+ NULL);
+ gtk_tree_view_append_column (preambleSelector, column);
+ g_signal_connect (G_OBJECT (renderer),
+ "edited",
+ G_CALLBACK (preamble_name_edited_cb),
+ self);
+
+ GtkWidget *listScroller = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (listScroller),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ gtk_container_add (GTK_CONTAINER (listScroller),
+ GTK_WIDGET (preambleSelector));
+
+ [self fillListStore];
+
+ GtkTreeSelection *sel = gtk_tree_view_get_selection (preambleSelector);
+ gtk_tree_selection_set_mode (sel, GTK_SELECTION_BROWSE);
+ g_signal_connect (G_OBJECT (sel),
+ "changed",
+ G_CALLBACK (preamble_selection_changed_cb),
+ self);
+
+ return listScroller;
+}
+
+- (void) loadUi {
+ if (window) {
+ return;
+ }
+
+ window = GTK_WINDOW (gtk_window_new (GTK_WINDOW_TOPLEVEL));
+ gtk_window_set_title (window, "Preamble editor");
+ gtk_window_set_modal (window, TRUE);
+ gtk_window_set_position (window, GTK_WIN_POS_CENTER_ON_PARENT);
+ gtk_window_set_default_size (window, 600, 400);
+ gtk_window_set_type_hint (window, GDK_WINDOW_TYPE_HINT_DIALOG);
+ if (parentWindow) {
+ gtk_window_set_transient_for (window, parentWindow);
+ }
+ g_signal_connect (window,
+ "delete-event",
+ G_CALLBACK (window_delete_event_cb),
+ self);
+
+ GtkWidget *mainBox = gtk_vbox_new (FALSE, 0);
+ gtk_container_add (GTK_CONTAINER (window), mainBox);
+
+ GtkPaned *paned = GTK_PANED (gtk_hpaned_new ());
+ gtk_box_pack_start (GTK_BOX (mainBox),
+ GTK_WIDGET (paned),
+ TRUE, TRUE, 0);
+
+ GtkWidget *listWidget = [self createPreambleList];
+ GtkBox *listBox = GTK_BOX (gtk_vbox_new (FALSE, 0));
+ gtk_box_pack_start (listBox, listWidget, TRUE, TRUE, 0);
+
+ GtkContainer *listButtonBox = GTK_CONTAINER (gtk_hbox_new (FALSE, 0));
+ gtk_box_pack_start (listBox, GTK_WIDGET (listButtonBox), FALSE, TRUE, 0);
+ GtkWidget *addButton = gtk_button_new_from_stock (GTK_STOCK_ADD);
+ g_signal_connect (addButton,
+ "clicked",
+ G_CALLBACK (add_button_clicked_cb),
+ self);
+ gtk_container_add (listButtonBox, addButton);
+ GtkWidget *removeButton = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
+ g_signal_connect (removeButton,
+ "clicked",
+ G_CALLBACK (remove_button_clicked_cb),
+ self);
+ gtk_container_add (listButtonBox, removeButton);
+
+ gtk_paned_pack1 (paned, GTK_WIDGET (listBox), FALSE, TRUE);
+
+ preambleView = GTK_TEXT_VIEW (gtk_text_view_new ());
+ GtkWidget *scroller = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroller),
+ GTK_POLICY_AUTOMATIC, // horiz
+ GTK_POLICY_ALWAYS); // vert
+ gtk_container_add (GTK_CONTAINER (scroller), GTK_WIDGET (preambleView));
+ gtk_paned_pack2 (paned, scroller, TRUE, TRUE);
+
+ GtkContainer *buttonBox = GTK_CONTAINER (gtk_hbutton_box_new ());
+ gtk_button_box_set_layout (GTK_BUTTON_BOX (buttonBox), GTK_BUTTONBOX_END);
+ gtk_box_pack_start (GTK_BOX (mainBox),
+ GTK_WIDGET (buttonBox),
+ FALSE, TRUE, 0);
+ GtkWidget *closeButton = gtk_button_new_from_stock (GTK_STOCK_CLOSE);
+ gtk_container_add (buttonBox, closeButton);
+ g_signal_connect (closeButton,
+ "clicked",
+ G_CALLBACK (close_button_clicked_cb),
+ self);
+ /*
+ GtkWidget *undoButton = gtk_button_new_from_stock (GTK_STOCK_UNDO);
+ gtk_container_add (buttonBox, undoButton);
+ gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (buttonBox),
+ undoButton,
+ TRUE);
+ g_signal_connect (undoButton,
+ "clicked",
+ G_CALLBACK (undo_button_clicked_cb),
+ self);
+ GtkWidget *redoButton = gtk_button_new_from_stock (GTK_STOCK_REDO);
+ gtk_container_add (buttonBox, redoButton);
+ gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (buttonBox),
+ redoButton,
+ TRUE);
+ g_signal_connect (redoButton,
+ "clicked",
+ G_CALLBACK (redo_button_clicked_cb),
+ self);
+ */
+ [self revert];
+
+ gtk_widget_show_all (mainBox);
+}
+
+- (void) save {
+ if ([self isDefaultPreambleSelected])
+ return;
+ GtkTextIter start,end;
+ GtkTextBuffer *preambleBuffer = gtk_text_view_get_buffer (preambleView);
+ gtk_text_buffer_get_bounds(preambleBuffer, &start, &end);
+ gchar *text = gtk_text_buffer_get_text(preambleBuffer, &start, &end, FALSE);
+ NSString *preamble = [NSString stringWithUTF8String:text];
+ g_free (text);
+ [preambles setCurrentPreamble:preamble];
+}
+
+- (void) revert {
+ GtkTextBuffer *preambleBuffer = gtk_text_view_get_buffer (preambleView);
+ gtk_text_buffer_set_text (preambleBuffer, [[preambles currentPreamble] UTF8String], -1);
+ gtk_text_view_set_editable (preambleView, ![self isDefaultPreambleSelected]);
+}
+
+- (void) update {
+ if (!blockSignals) {
+ [self save];
+ }
+ GtkTreeSelection *sel = gtk_tree_view_get_selection (preambleSelector);
+ GtkTreeIter row;
+ GtkTreeModel *model;
+ if (gtk_tree_selection_get_selected (sel, &model, &row)) {
+ gchar *name;
+ gtk_tree_model_get (model, &row, NAME_COLUMN, &name, -1);
+ NSString *preambleName = [NSString stringWithUTF8String:name];
+ [preambles setSelectedPreambleName:preambleName];
+ g_free (name);
+ }
+ [self revert];
+}
+
+- (void) fillListStore {
+ blockSignals = YES;
+
+ GtkTreeIter row;
+ gtk_list_store_clear (preambleListStore);
+
+ gtk_list_store_append (preambleListStore, &row);
+ gtk_list_store_set (preambleListStore, &row,
+ NAME_COLUMN, [[preambles defaultPreambleName] UTF8String],
+ IS_CUSTOM_COLUMN, FALSE,
+ -1);
+ GtkTreeSelection *sel = gtk_tree_view_get_selection (preambleSelector);
+ if ([self isDefaultPreambleSelected]) {
+ gtk_tree_selection_select_iter (sel, &row);
+ }
+
+ NSEnumerator *en = [preambles customPreambleNameEnumerator];
+ NSString *preambleName;
+ while ((preambleName = [en nextObject])) {
+ gtk_list_store_append (preambleListStore, &row);
+ gtk_list_store_set (preambleListStore, &row,
+ NAME_COLUMN, [preambleName UTF8String],
+ IS_CUSTOM_COLUMN, TRUE,
+ -1);
+ if ([preambleName isEqualToString:[self selectedPreambleName]]) {
+ gtk_tree_selection_select_iter (sel, &row);
+ }
+ }
+
+ blockSignals = NO;
+}
+
+- (BOOL) isDefaultPreambleSelected {
+ return [preambles selectedPreambleIsDefault];
+}
+
+- (NSString*) selectedPreambleName {
+ return [preambles selectedPreambleName];
+}
+
+- (void) addPreamble {
+ NSString *newName = [preambles addPreamble];
+
+ GtkTreeIter row;
+ gtk_list_store_append (preambleListStore, &row);
+ gtk_list_store_set (preambleListStore, &row,
+ NAME_COLUMN, [newName UTF8String],
+ IS_CUSTOM_COLUMN, TRUE,
+ -1);
+
+ GtkTreeSelection *sel = gtk_tree_view_get_selection (preambleSelector);
+ gtk_tree_selection_select_iter (sel, &row);
+}
+
+- (void) deletePreamble {
+ if ([self isDefaultPreambleSelected])
+ return;
+
+ NSString *name = [self selectedPreambleName];
+
+ GtkTreeIter row;
+ GtkTreeModel *model = GTK_TREE_MODEL (preambleListStore);
+
+ gtk_tree_model_get_iter_first (model, &row);
+ // ignore first; it is the default one
+ gboolean found = FALSE;
+ while (!found && gtk_tree_model_iter_next (model, &row)) {
+ gchar *candidate;
+ gtk_tree_model_get (model, &row, NAME_COLUMN, &candidate, -1);
+ if (g_strcmp0 (candidate, [name UTF8String]) == 0) {
+ found = TRUE;
+ }
+ g_free (candidate);
+ }
+
+ if (!found)
+ return;
+
+ if (![preambles removePreamble:name])
+ return;
+
+ blockSignals = YES;
+
+ gboolean had_next = gtk_list_store_remove (preambleListStore, &row);
+ if (!had_next) {
+ // select the last item
+ gint length = gtk_tree_model_iter_n_children (model, NULL);
+ gtk_tree_model_iter_nth_child (model, &row, NULL, length - 1);
+ }
+
+ GtkTreeSelection *sel = gtk_tree_view_get_selection (preambleSelector);
+ gtk_tree_selection_select_iter (sel, &row);
+
+ [self revert];
+
+ blockSignals = NO;
+}
+
+- (void) renamePreambleAtPath:(gchar*)path to:(gchar*)newValue {
+ NSString *newName = [NSString stringWithUTF8String:newValue];
+
+ GtkTreeIter row;
+ GtkTreeModel *model = GTK_TREE_MODEL (preambleListStore);
+
+ if (!gtk_tree_model_get_iter_from_string (model, &row, path))
+ return;
+
+ gchar *oldValue;
+ gtk_tree_model_get (model, &row, NAME_COLUMN, &oldValue, -1);
+
+ NSString* oldName = [NSString stringWithUTF8String:oldValue];
+ if ([preambles renamePreambleFrom:oldName to:newName]) {
+ gtk_list_store_set (preambleListStore, &row,
+ NAME_COLUMN, newValue,
+ -1);
+ }
+}
+@end
+
+// }}}
+// {{{ GTK+ callbacks
+
+static gboolean window_delete_event_cb (GtkWidget *widget,
+ GdkEvent *event,
+ PreambleEditor *editor) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor hide];
+ [pool drain];
+ return TRUE; // we dealt with this event
+}
+
+static void close_button_clicked_cb (GtkButton *widget, PreambleEditor *editor) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor hide];
+ [pool drain];
+}
+
+static void add_button_clicked_cb (GtkButton *widget, PreambleEditor *editor) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor addPreamble];
+ [pool drain];
+}
+
+static void remove_button_clicked_cb (GtkButton *widget, PreambleEditor *editor) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor deletePreamble];
+ [pool drain];
+}
+
+static void undo_button_clicked_cb (GtkButton *widget, PreambleEditor *editor) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ NSLog(@"Undo");
+ [pool drain];
+}
+
+static void redo_button_clicked_cb (GtkButton *widget, PreambleEditor *editor) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ NSLog(@"Redo");
+ [pool drain];
+}
+
+static void preamble_name_edited_cb (GtkCellRendererText *renderer,
+ gchar *path,
+ gchar *new_text,
+ PreambleEditor *editor) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor renamePreambleAtPath:path to:new_text];
+ [pool drain];
+}
+
+static void preamble_selection_changed_cb (GtkTreeSelection *treeselection,
+ PreambleEditor *editor) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor update];
+ [pool drain];
+}
+
+// }}}
+
+// vim:ft=objc:ts=4:noet:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/Preambles+Storage.h b/tikzit/src/linux/Preambles+Storage.h
new file mode 100644
index 0000000..76f56cc
--- /dev/null
+++ b/tikzit/src/linux/Preambles+Storage.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "Preambles.h"
+
+@interface Preambles (Storage)
+
++ (Preambles*) preamblesFromDirectory:(NSString*)directory;
+- (id) initFromDirectory:(NSString*)directory;
+- (void) loadFromDirectory:(NSString*)directory;
+- (void) storeToDirectory:(NSString*)directory;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/Preambles+Storage.m b/tikzit/src/linux/Preambles+Storage.m
new file mode 100644
index 0000000..bd3ea03
--- /dev/null
+++ b/tikzit/src/linux/Preambles+Storage.m
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "Preambles+Storage.h"
+
+static NSString *ext = @"preamble";
+
+@implementation Preambles (Storage)
+
++ (Preambles*) preamblesFromDirectory:(NSString*)directory {
+ return [[[self alloc] initFromDirectory:directory] autorelease];
+}
+
+- (id) initFromDirectory:(NSString*)directory {
+ BOOL isDir = NO;
+ if ([[NSFileManager defaultManager] fileExistsAtPath:directory isDirectory:&isDir] && isDir) {
+ self = [super init];
+
+ if (self) {
+ selectedPreambleName = @"default";
+ preambleDict = nil;
+ [self loadFromDirectory:directory];
+ }
+ } else {
+ self = [self init];
+ }
+
+ return self;
+}
+
+- (void) loadFromDirectory:(NSString*)directory {
+ preambleDict = [[NSMutableDictionary alloc] initWithCapacity:1];
+ NSDirectoryEnumerator *en = [[NSFileManager defaultManager] enumeratorAtPath:directory];
+ NSString *filename;
+ while ((filename = [en nextObject]) != nil) {
+ if ([filename hasSuffix:ext] && [[en fileAttributes] fileType] == NSFileTypeRegular) {
+ NSString *path = [directory stringByAppendingPathComponent:filename];
+ NSString *contents = [NSString stringWithContentsOfFile:path];
+ if (contents) {
+ [preambleDict setObject:contents forKey:[filename stringByDeletingPathExtension]];
+ }
+ }
+ }
+}
+
+- (void) storeToDirectory:(NSString*)directory {
+ NSDirectoryEnumerator *den = [[NSFileManager defaultManager] enumeratorAtPath:directory];
+ NSString *filename;
+ while ((filename = [den nextObject]) != nil) {
+ if ([filename hasSuffix:ext] && [[den fileAttributes] fileType] == NSFileTypeRegular) {
+ NSString *path = [directory stringByAppendingPathComponent:filename];
+ NSString *entry = [filename stringByDeletingPathExtension];
+ if ([preambleDict objectForKey:entry] == nil) {
+ [[NSFileManager defaultManager] removeFileAtPath:path handler:nil];
+ }
+ }
+ }
+
+ NSEnumerator *en = [self customPreambleNameEnumerator];
+ NSString *entry;
+ while ((entry = [en nextObject]) != nil) {
+ NSString *path = [directory stringByAppendingPathComponent:[entry stringByAppendingPathExtension:ext]];
+ NSString *contents = [preambleDict objectForKey:entry];
+ [contents writeToFile:path atomically:YES];
+ }
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/PreviewRenderer.h b/tikzit/src/linux/PreviewRenderer.h
new file mode 100644
index 0000000..da617b3
--- /dev/null
+++ b/tikzit/src/linux/PreviewRenderer.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <poppler.h>
+#import "Preambles.h"
+#import "Surface.h"
+#import "TikzDocument.h"
+
+@interface PreviewRenderer: NSObject<RenderDelegate> {
+ Preambles *preambles;
+ TikzDocument *document;
+ PopplerDocument *pdfDocument;
+ PopplerPage *pdfPage;
+}
+
+- (id) initWithPreambles:(Preambles*)p;
+
+- (BOOL) updateWithError:(NSError**)error;
+- (BOOL) update;
+- (BOOL) isValid;
+
+- (Preambles*) preambles;
+
+- (TikzDocument*) document;
+- (void) setDocument:(TikzDocument*)doc;
+
+- (double) width;
+- (double) height;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/PreviewRenderer.m b/tikzit/src/linux/PreviewRenderer.m
new file mode 100644
index 0000000..5333d65
--- /dev/null
+++ b/tikzit/src/linux/PreviewRenderer.m
@@ -0,0 +1,207 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "PreviewRenderer.h"
+#import "CairoRenderContext.h"
+
+@implementation PreviewRenderer
+
+- (id) init {
+ [self release];
+ self = nil;
+ return nil;
+}
+
+- (id) initWithPreambles:(Preambles*)p {
+ self = [super init];
+
+ if (self) {
+ document = nil;
+ preambles = [p retain];
+ pdfDocument = NULL;
+ pdfPage = NULL;
+ }
+
+ return self;
+}
+
+- (BOOL) update {
+ NSError *error = nil;
+ BOOL result = [self updateWithError:&error];
+ if (error) {
+ logError (error, @"Could not update preview");
+ if ([error code] == TZ_ERR_TOOL_FAILED) {
+ NSLog (@"Output: %@", [[error userInfo] objectForKey:TZToolOutputErrorKey]);
+ }
+ }
+ return result;
+}
+
+- (BOOL) updateWithError:(NSError**)error {
+ if (document == nil) {
+ if (error) {
+ *error = [NSError errorWithMessage:@"No document given" code:TZ_ERR_BADSTATE];
+ }
+ if (pdfDocument) {
+ g_object_unref (pdfDocument);
+ pdfDocument = NULL;
+ }
+ if (pdfPage) {
+ g_object_unref (pdfPage);
+ pdfPage = NULL;
+ }
+ return NO;
+ }
+
+ NSString *tex = [NSString stringWithFormat:@"%@%@%@",
+ [preambles currentPreamble],
+ [document tikz],
+ [preambles currentPostamble]];
+
+ NSString *tempDir = [[NSFileManager defaultManager] createTempDirectoryWithError:error];
+ if (!tempDir) {
+ if (error) {
+ *error = [NSError errorWithMessage:@"Could not create temporary directory" code:TZ_ERR_IO cause:*error];
+ }
+ return NO;
+ }
+
+ // write tex code to temporary file
+ NSString *texFile = [NSString stringWithFormat:@"%@/tikzit.tex", tempDir];
+ NSString *pdfFile = [NSString stringWithFormat:@"file://%@/tikzit.pdf", tempDir];
+ [tex writeToFile:texFile atomically:YES];
+
+ // run pdflatex in a bash shell
+ NSTask *latexTask = [[NSTask alloc] init];
+ [latexTask setCurrentDirectoryPath:tempDir];
+ [latexTask setLaunchPath:@"/bin/bash"];
+
+ // This assumes the user has $PATH set up to find pdflatex
+ // This should be improved to take other path setups into account
+ // and to be customisable.
+ NSString *latexCmd = [NSString stringWithFormat:
+ @"pdflatex -interaction=nonstopmode -halt-on-error '%@'\n",
+ texFile];
+
+ NSPipe *pout = [NSPipe pipe];
+ NSPipe *pin = [NSPipe pipe];
+ [latexTask setStandardOutput:pout];
+ [latexTask setStandardInput:pin];
+
+ NSFileHandle *latexIn = [pin fileHandleForWriting];
+ NSFileHandle *latexOut = [pout fileHandleForReading];
+
+ [latexTask launch];
+ [latexIn writeData:[latexCmd dataUsingEncoding:NSUTF8StringEncoding]];
+ [latexIn closeFile];
+ [latexTask waitUntilExit];
+
+ NSData *data = [latexOut readDataToEndOfFile];
+ NSString *str = [[NSString alloc] initWithData:data
+ encoding:NSUTF8StringEncoding];
+
+ BOOL success = NO;
+
+ if ([latexTask terminationStatus] != 0) {
+ if (error) {
+ NSMutableDictionary *errorDetail = [NSMutableDictionary dictionaryWithCapacity:2];
+ [errorDetail setValue:@"Generating a PDF file with pdflatex failed" forKey:NSLocalizedDescriptionKey];
+ [errorDetail setValue:str forKey:TZToolOutputErrorKey];
+ *error = [NSError errorWithDomain:TZErrorDomain code:TZ_ERR_TOOL_FAILED userInfo:errorDetail];
+ }
+ } else {
+ // load pdf document
+ GError* gerror = NULL;
+ pdfDocument = poppler_document_new_from_file([pdfFile UTF8String], NULL, &gerror);
+ if (!pdfDocument) {
+ if (error) {
+ *error = [NSError errorWithMessage:[NSString stringWithFormat:@"Could not load PDF document", pdfFile]
+ code:TZ_ERR_IO
+ cause:[NSError errorWithGError:gerror]];
+ }
+ g_error_free(gerror);
+ } else {
+ pdfPage = poppler_document_get_page(pdfDocument, 0);
+ if(!pdfPage) {
+ if (error) {
+ *error = [NSError errorWithMessage:@"Could not open first page of PDF document"
+ code:TZ_ERR_OTHER];
+ }
+ g_object_unref(pdfDocument);
+ } else {
+ success = YES;
+ }
+ }
+ }
+
+ // remove all temporary files
+ [[NSFileManager defaultManager] removeFileAtPath:tempDir handler:NULL];
+
+ return success;
+}
+
+- (BOOL) isValid {
+ return pdfPage ? YES : NO;
+}
+
+- (Preambles*) preambles {
+ return preambles;
+}
+
+- (TikzDocument*) document {
+ return document;
+}
+
+- (void) setDocument:(TikzDocument*)doc {
+ [doc retain];
+ [document release];
+ document = doc;
+}
+
+- (double) width {
+ double w = 0.0;
+ if (pdfPage)
+ poppler_page_get_size(pdfPage, &w, NULL);
+ return w;
+}
+
+- (double) height {
+ double h = 0.0;
+ if (pdfPage)
+ poppler_page_get_size(pdfPage, NULL, &h);
+ return h;
+}
+
+- (void) renderWithContext:(id<RenderContext>)c onSurface:(id<Surface>)surface {
+ if (document != nil) {
+ CairoRenderContext *context = (CairoRenderContext*)c;
+
+ [context saveState];
+ [context applyTransform:[surface transformer]];
+
+ // white-out
+ [context paintWithColor:WhiteRColor];
+
+ poppler_page_render (pdfPage, [context cairoContext]);
+
+ [context restoreState];
+ }
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/PreviewWindow.h b/tikzit/src/linux/PreviewWindow.h
new file mode 100644
index 0000000..d59954e
--- /dev/null
+++ b/tikzit/src/linux/PreviewWindow.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+
+@class Preambles;
+@class PreviewRenderer;
+@class TikzDocument;
+@class WidgetSurface;
+
+@interface PreviewWindow: NSObject {
+ PreviewRenderer *previewer;
+ GtkWindow *window;
+ WidgetSurface *surface;
+ GtkWindow *parent;
+}
+
+- (id) initWithPreambles:(Preambles*)p;
+
+- (void) setParentWindow:(GtkWindow*)parent;
+
+- (TikzDocument*) document;
+- (void) setDocument:(TikzDocument*)doc;
+
+- (BOOL) update;
+
+- (void) show;
+- (void) hide;
+- (BOOL) isVisible;
+- (void) setVisible:(BOOL)visible;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/PreviewWindow.m b/tikzit/src/linux/PreviewWindow.m
new file mode 100644
index 0000000..7bbcf18
--- /dev/null
+++ b/tikzit/src/linux/PreviewWindow.m
@@ -0,0 +1,191 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "PreviewWindow.h"
+
+#import "Preambles.h"
+#import "PreviewRenderer.h"
+#import "TikzDocument.h"
+#import "WidgetSurface.h"
+
+#import "gtkhelpers.h"
+
+@interface PreviewWindow (Private)
+- (BOOL) updateOrShowError;
+@end
+
+// {{{ API
+@implementation PreviewWindow
+
+- (id) init {
+ [self release];
+ self = nil;
+ return nil;
+}
+
+- (id) initWithPreambles:(Preambles*)p {
+ self = [super init];
+
+ if (self) {
+ parent = NULL;
+ previewer = [[PreviewRenderer alloc] initWithPreambles:p];
+
+ window = GTK_WINDOW (gtk_window_new (GTK_WINDOW_TOPLEVEL));
+ gtk_window_set_title (window, "Preview");
+ gtk_window_set_resizable (window, FALSE);
+ g_signal_connect (G_OBJECT (window),
+ "delete-event",
+ G_CALLBACK (gtk_widget_hide_on_delete),
+ NULL);
+
+ GtkWidget *pdfArea = gtk_drawing_area_new ();
+ gtk_container_add (GTK_CONTAINER (window), pdfArea);
+ gtk_widget_set_size_request (pdfArea, 150.0, 150.0);
+ gtk_widget_show (pdfArea);
+ surface = [[WidgetSurface alloc] initWithWidget:pdfArea];
+ [surface setRenderDelegate:previewer];
+ Transformer *t = [surface transformer];
+ [t setFlippedAboutXAxis:![t isFlippedAboutXAxis]];
+ }
+
+ return self;
+}
+
+- (void) setParentWindow:(GtkWindow*)p {
+ parent = p;
+ gtk_window_set_transient_for (window, p);
+ if (p != NULL) {
+ gtk_window_set_position (window, GTK_WIN_POS_CENTER_ON_PARENT);
+ }
+}
+
+- (TikzDocument*) document {
+ return [previewer document];
+}
+
+- (void) setDocument:(TikzDocument*)doc {
+ [previewer setDocument:doc];
+}
+
+- (void) updateSize {
+ double width = 150;
+ double height = 150;
+ if ([previewer isValid]) {
+ double pWidth = [previewer width];
+ double pHeight = [previewer height];
+ width = (width < pWidth + 4) ? pWidth + 4 : width;
+ height = (height < pHeight + 4) ? pHeight + 4 : height;
+ NSPoint offset;
+ offset.x = (width-pWidth)/2.0;
+ offset.y = (height-pHeight)/2.0;
+ [[surface transformer] setOrigin:offset];
+ }
+ [surface setSizeRequestWidth:width height:height];
+}
+
+- (BOOL) update {
+ if ([self updateOrShowError]) {
+ [self updateSize];
+ [surface invalidate];
+ return YES;
+ }
+
+ return NO;
+}
+
+- (void) show {
+ if ([self updateOrShowError]) {
+ [self updateSize];
+ gtk_widget_show (GTK_WIDGET (window));
+ [surface invalidate];
+ }
+}
+
+- (void) hide {
+ gtk_widget_hide (GTK_WIDGET (window));
+}
+
+- (BOOL) isVisible {
+ gboolean visible;
+ g_object_get (G_OBJECT (window), "visible", &visible, NULL);
+ return visible ? YES : NO;
+}
+
+- (void) setVisible:(BOOL)visible {
+ if (visible) {
+ [self show];
+ } else {
+ [self hide];
+ }
+}
+
+- (void) dealloc {
+ [previewer release];
+ [surface release];
+ gtk_widget_destroy (GTK_WIDGET (window));
+
+ [super dealloc];
+}
+
+@end
+// }}}
+
+@implementation PreviewWindow (Private)
+- (BOOL) updateOrShowError {
+ NSError *error = nil;
+ if (![previewer updateWithError:&error]) {
+ GtkWindow *dparent = gtk_widget_get_visible (GTK_WIDGET (window))
+ ? window
+ : parent;
+ GtkWidget *dialog = gtk_message_dialog_new (dparent,
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "Failed to generate the preview: %s",
+ [[error localizedDescription] UTF8String]);
+#if GTK_CHECK_VERSION(2,22,0)
+ if ([error code] == TZ_ERR_TOOL_FAILED) {
+ GtkBox *box = GTK_BOX (gtk_message_dialog_get_message_area (GTK_MESSAGE_DIALOG (dialog)));
+ GtkWidget *label = gtk_label_new ("pdflatex said:");
+ gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5f);
+ gtk_widget_show (label);
+ gtk_box_pack_start (box, label, FALSE, TRUE, 0);
+
+ GtkWidget *view = gtk_text_view_new ();
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
+ gtk_text_buffer_set_text (buffer, [[error toolOutput] UTF8String], -1);
+ gtk_text_view_set_editable (GTK_TEXT_VIEW (view), FALSE);
+ gtk_widget_show (view);
+ GtkWidget *scrolledView = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledView),
+ GTK_POLICY_NEVER, // horiz
+ GTK_POLICY_ALWAYS); // vert
+ gtk_widget_set_size_request (scrolledView, -1, 120);
+ gtk_container_add (GTK_CONTAINER (scrolledView), view);
+ gtk_widget_show (scrolledView);
+ gtk_box_pack_start (box, scrolledView, TRUE, TRUE, 0);
+ }
+#endif // GTK+ 2.22.0
+ gtk_dialog_run (GTK_DIALOG (dialog));
+ gtk_widget_destroy (dialog);
+ return NO;
+ }
+ return YES;
+}
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/PropertyListEditor.h b/tikzit/src/linux/PropertyListEditor.h
new file mode 100644
index 0000000..fd7e395
--- /dev/null
+++ b/tikzit/src/linux/PropertyListEditor.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+#import "GraphElementData.h"
+#import "GraphElementProperty.h"
+
+@protocol PropertyChangeDelegate
+@optional
+- (BOOL)startEdit;
+- (void)endEdit;
+- (void)cancelEdit;
+@end
+
+@interface PropertyListEditor: NSObject {
+ GtkListStore *list;
+ GtkWidget *view;
+ GraphElementData *data;
+ GtkWidget *widget;
+ NSObject<PropertyChangeDelegate> *delegate;
+}
+
+/*!
+ @property widget
+ @brief The widget displaying the editable list
+ */
+@property (readonly) GtkWidget *widget;
+
+/*!
+ @property data
+ @brief The GraphElementData that should be reflected in the list
+ */
+@property (retain) GraphElementData *data;
+
+/*!
+ @property delegate
+ @brief A delegate for dealing with property changes
+ */
+@property (retain) NSObject<PropertyChangeDelegate> *delegate;
+
+/*!
+ * Reload the properties from the data store
+ */
+- (void) reloadProperties;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/PropertyListEditor.m b/tikzit/src/linux/PropertyListEditor.m
new file mode 100644
index 0000000..cf04726
--- /dev/null
+++ b/tikzit/src/linux/PropertyListEditor.m
@@ -0,0 +1,417 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "PropertyListEditor.h"
+
+// {{{ Constants
+
+enum {
+ PLM_NAME_COL = 0,
+ PLM_VALUE_COL,
+ PLM_IS_PROPERTY_COL,
+ PLM_PROPERTY_COL,
+ PLM_N_COLS
+};
+
+// }}}
+// {{{ Internal interfaces
+// {{{ Signals
+
+static void value_edited_cb (GtkCellRendererText *renderer,
+ gchar *path,
+ gchar *new_text,
+ PropertyListEditor *editor);
+static void name_edited_cb (GtkCellRendererText *renderer,
+ gchar *path,
+ gchar *new_text,
+ PropertyListEditor *editor);
+static void add_prop_clicked_cb (GtkButton *button,
+ PropertyListEditor *editor);
+static void add_atom_clicked_cb (GtkButton *button,
+ PropertyListEditor *editor);
+static void remove_clicked_cb (GtkButton *button,
+ PropertyListEditor *editor);
+
+// }}}
+// {{{ Private
+
+@interface PropertyListEditor (Private)
+- (void) updatePath:(gchar*)path withValue:(NSString*)newText;
+- (void) updatePath:(gchar*)path withName:(NSString*)newText;
+- (void) addProperty;
+- (void) addAtom;
+- (void) removeSelected;
+@end
+
+// }}}
+// }}}
+// {{{ API
+
+@implementation PropertyListEditor
+
+- (id) init {
+ self = [super init];
+
+ if (self) {
+ list = gtk_list_store_new (PLM_N_COLS,
+ G_TYPE_STRING,
+ G_TYPE_STRING,
+ G_TYPE_BOOLEAN,
+ G_TYPE_POINTER);
+ view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list));
+ GtkWidget *scrolledview = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledview),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ gtk_container_add (GTK_CONTAINER (scrolledview), view);
+ gtk_widget_set_size_request (view, -1, 150);
+ data = nil;
+ delegate = nil;
+
+ GtkCellRenderer *renderer;
+ GtkTreeViewColumn *column;
+
+ renderer = gtk_cell_renderer_text_new ();
+ g_object_set (G_OBJECT (renderer),
+ "editable", TRUE,
+ NULL);
+ column = gtk_tree_view_column_new_with_attributes ("Key/Atom",
+ renderer,
+ "text", PLM_NAME_COL,
+ NULL);
+ gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
+ g_signal_connect (G_OBJECT (renderer),
+ "edited",
+ G_CALLBACK (name_edited_cb),
+ self);
+
+ renderer = gtk_cell_renderer_text_new ();
+ column = gtk_tree_view_column_new_with_attributes ("Value",
+ renderer,
+ "text", PLM_VALUE_COL,
+ "editable", PLM_IS_PROPERTY_COL,
+ "sensitive", PLM_IS_PROPERTY_COL,
+ NULL);
+ gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
+ g_signal_connect (G_OBJECT (renderer),
+ "edited",
+ G_CALLBACK (value_edited_cb),
+ self);
+
+ widget = gtk_vbox_new (FALSE, 0);
+ g_object_ref_sink (G_OBJECT (widget));
+ gtk_container_add (GTK_CONTAINER (widget), scrolledview);
+
+ GtkBox *buttonBox = GTK_BOX (gtk_hbox_new(FALSE, 0));
+ gtk_box_pack_start (GTK_BOX (widget), GTK_WIDGET (buttonBox), FALSE, FALSE, 0);
+
+ GtkWidget *addPropButton = gtk_button_new ();
+ //gtk_widget_set_size_request (addPropButton, 27, 27);
+ gtk_widget_set_tooltip_text (addPropButton, "Add property");
+ GtkWidget *addPropContents = gtk_hbox_new(FALSE, 0);
+ GtkWidget *addPropIcon = gtk_image_new_from_stock (GTK_STOCK_ADD, GTK_ICON_SIZE_BUTTON);
+ gtk_container_add (GTK_CONTAINER (addPropContents), addPropIcon);
+ gtk_container_add (GTK_CONTAINER (addPropContents), gtk_label_new ("P"));
+ gtk_container_add (GTK_CONTAINER (addPropButton), addPropContents);
+ gtk_box_pack_start (buttonBox, addPropButton, FALSE, FALSE, 0);
+ g_signal_connect (G_OBJECT (addPropButton),
+ "clicked",
+ G_CALLBACK (add_prop_clicked_cb),
+ self);
+
+ GtkWidget *addAtomButton = gtk_button_new ();
+ //gtk_widget_set_size_request (addAtomButton, 27, 27);
+ gtk_widget_set_tooltip_text (addAtomButton, "Add atom");
+ GtkWidget *addAtomContents = gtk_hbox_new(FALSE, 0);
+ GtkWidget *addAtomIcon = gtk_image_new_from_stock (GTK_STOCK_ADD, GTK_ICON_SIZE_BUTTON);
+ gtk_container_add (GTK_CONTAINER (addAtomContents), addAtomIcon);
+ gtk_container_add (GTK_CONTAINER (addAtomContents), gtk_label_new ("A"));
+ gtk_container_add (GTK_CONTAINER (addAtomButton), addAtomContents);
+ gtk_box_pack_start (buttonBox, addAtomButton, FALSE, FALSE, 0);
+ g_signal_connect (G_OBJECT (addAtomButton),
+ "clicked",
+ G_CALLBACK (add_atom_clicked_cb),
+ self);
+
+ GtkWidget *removeButton = gtk_button_new ();
+ //gtk_widget_set_size_request (removeButton, 27, 27);
+ gtk_widget_set_tooltip_text (removeButton, "Remove selected");
+ GtkWidget *removeIcon = gtk_image_new_from_stock (GTK_STOCK_REMOVE, GTK_ICON_SIZE_BUTTON);
+ gtk_container_add (GTK_CONTAINER (removeButton), removeIcon);
+ gtk_box_pack_start (buttonBox, removeButton, FALSE, FALSE, 0);
+ g_signal_connect (G_OBJECT (removeButton),
+ "clicked",
+ G_CALLBACK (remove_clicked_cb),
+ self);
+
+ gtk_widget_show_all (GTK_WIDGET (buttonBox));
+ gtk_widget_show_all (scrolledview);
+ }
+
+ return self;
+}
+
+- (void) clearStore {
+ GtkTreeIter iter;
+ if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (list), &iter)) {
+ do {
+ void *prop;
+ gtk_tree_model_get (GTK_TREE_MODEL (list), &iter,
+ PLM_PROPERTY_COL, &prop,
+ -1);
+ [(id)prop release];
+ } while (gtk_tree_model_iter_next (GTK_TREE_MODEL (list), &iter));
+ gtk_list_store_clear (list);
+ }
+}
+
+- (void) reloadProperties {
+ [self clearStore];
+ int pos = 0;
+ for (GraphElementProperty *p in data) {
+ GtkTreeIter iter;
+ [p retain];
+ gtk_list_store_insert_with_values (list, &iter, pos,
+ PLM_NAME_COL, [[p key] UTF8String],
+ PLM_VALUE_COL, [[p value] UTF8String],
+ PLM_IS_PROPERTY_COL, ![p isAtom],
+ PLM_PROPERTY_COL, (void *)p,
+ -1);
+ ++pos;
+ }
+}
+
+- (GtkWidget*) widget { return widget; }
+- (GraphElementData*) data { return data; }
+- (void) setData:(GraphElementData*)d {
+ [d retain];
+ [data release];
+ data = d;
+ [self reloadProperties];
+}
+
+- (NSObject<PropertyChangeDelegate>*) delegate {
+ return delegate;
+}
+
+- (void) setDelegate:(NSObject<PropertyChangeDelegate>*)d {
+ id oldDelegate = delegate;
+ delegate = [d retain];
+ [oldDelegate release];
+}
+
+- (void) dealloc {
+ [self clearStore];
+ [data release];
+ g_object_unref (list);
+ g_object_unref (widget);
+ [super dealloc];
+}
+
+@end
+
+// }}}
+// {{{ Private
+
+@implementation PropertyListEditor (Private)
+- (void) updatePath:(gchar*)pathStr withValue:(NSString*)newText {
+ GtkTreeIter iter;
+ GtkTreePath *path = gtk_tree_path_new_from_string (pathStr);
+
+ if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (list), &iter, path)) {
+ gtk_tree_path_free (path);
+ return;
+ }
+
+ void *propPtr;
+ gtk_tree_model_get (GTK_TREE_MODEL (list), &iter,
+ PLM_PROPERTY_COL, &propPtr,
+ -1);
+ GraphElementProperty *prop = (GraphElementProperty*)propPtr;
+
+ if (![prop isAtom]) {
+ if (![delegate respondsToSelector:@selector(startEdit)] || [delegate startEdit]) {
+ [prop setValue:newText];
+ gtk_list_store_set (list, &iter,
+ PLM_VALUE_COL, [newText UTF8String],
+ -1);
+ [delegate endEdit];
+ }
+ }
+
+ gtk_tree_path_free (path);
+}
+
+- (void) updatePath:(gchar*)pathStr withName:(NSString*)newText {
+ GtkTreeIter iter;
+ GtkTreePath *path = gtk_tree_path_new_from_string (pathStr);
+
+ if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (list), &iter, path)) {
+ gtk_tree_path_free (path);
+ return;
+ }
+
+ void *propPtr;
+ gtk_tree_model_get (GTK_TREE_MODEL (list), &iter,
+ PLM_PROPERTY_COL, &propPtr,
+ -1);
+ GraphElementProperty *prop = (GraphElementProperty*)propPtr;
+
+ if (![delegate respondsToSelector:@selector(startEdit)] || [delegate startEdit]) {
+ if ([newText isEqualToString:@""]) {
+ [data removeObjectIdenticalTo:prop];
+ gtk_list_store_remove (list, &iter);
+ [prop release];
+ } else {
+ [prop setKey:newText];
+ gtk_list_store_set (list, &iter,
+ PLM_NAME_COL, [newText UTF8String],
+ -1);
+ }
+ [delegate endEdit];
+ }
+
+ gtk_tree_path_free (path);
+}
+
+- (void) addProperty {
+ GtkTreeIter iter;
+ GraphElementProperty *p = [[GraphElementProperty alloc] initWithPropertyValue:@"" forKey:@"new property"];
+ if (![delegate respondsToSelector:@selector(startEdit)] || [delegate startEdit]) {
+ [data addObject:p];
+ gint pos = [data count] - 1;
+ gtk_list_store_insert_with_values (list, &iter, pos,
+ PLM_NAME_COL, "new property",
+ PLM_VALUE_COL, "",
+ PLM_IS_PROPERTY_COL, TRUE,
+ PLM_PROPERTY_COL, (void *)p,
+ -1);
+ [delegate endEdit];
+ } else {
+ [p release];
+ }
+}
+
+- (void) addAtom {
+ GtkTreeIter iter;
+ GraphElementProperty *p = [[GraphElementProperty alloc] initWithAtomName:@"new atom"];
+ if (![delegate respondsToSelector:@selector(startEdit)] || [delegate startEdit]) {
+ [data addObject:p];
+ gint pos = [data count] - 1;
+ gtk_list_store_insert_with_values (list, &iter, pos,
+ PLM_NAME_COL, "new atom",
+ PLM_VALUE_COL, [[p value] UTF8String],
+ PLM_IS_PROPERTY_COL, FALSE,
+ PLM_PROPERTY_COL, (void *)p,
+ -1);
+ [delegate endEdit];
+ } else {
+ [p release];
+ }
+}
+
+- (void) removeSelected {
+ GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
+ GList *selPaths = gtk_tree_selection_get_selected_rows (selection, NULL);
+ GList *selIters = NULL;
+
+ // Convert to iters, as GtkListStore has persistent iters
+ GList *curr = selPaths;
+ while (curr != NULL) {
+ GtkTreeIter iter;
+ gtk_tree_model_get_iter (GTK_TREE_MODEL (list),
+ &iter,
+ (GtkTreePath*)curr->data);
+ selIters = g_list_prepend (selIters, gtk_tree_iter_copy (&iter));
+ curr = g_list_next (curr);
+ }
+
+ // remove all iters
+ curr = selIters;
+ while (curr != NULL) {
+ GtkTreeIter *iter = (GtkTreeIter*)curr->data;
+ void *propPtr;
+ gtk_tree_model_get (GTK_TREE_MODEL (list), iter,
+ PLM_PROPERTY_COL, &propPtr,
+ -1);
+ GraphElementProperty *prop = (GraphElementProperty*)propPtr;
+ if (![delegate respondsToSelector:@selector(startEdit)] || [delegate startEdit]) {
+ [data removeObjectIdenticalTo:prop];
+ gtk_list_store_remove (list, iter);
+ [prop release];
+ [delegate endEdit];
+ }
+ curr = g_list_next (curr);
+ }
+
+ g_list_foreach (selIters, (GFunc) gtk_tree_iter_free, NULL);
+ g_list_free (selIters);
+ g_list_foreach (selPaths, (GFunc) gtk_tree_path_free, NULL);
+ g_list_free (selPaths);
+}
+@end
+
+// }}}
+// {{{ GTK+ callbacks
+
+static void value_edited_cb (GtkCellRendererText *renderer,
+ gchar *path,
+ gchar *new_text,
+ PropertyListEditor *editor)
+{
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor updatePath:path withValue:[NSString stringWithUTF8String:new_text]];
+ [pool drain];
+}
+
+static void name_edited_cb (GtkCellRendererText *renderer,
+ gchar *path,
+ gchar *new_text,
+ PropertyListEditor *editor)
+{
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor updatePath:path withName:[NSString stringWithUTF8String:new_text]];
+ [pool drain];
+}
+
+static void add_prop_clicked_cb (GtkButton *button,
+ PropertyListEditor *editor)
+{
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor addProperty];
+ [pool drain];
+}
+
+static void add_atom_clicked_cb (GtkButton *button,
+ PropertyListEditor *editor)
+{
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor addAtom];
+ [pool drain];
+}
+
+static void remove_clicked_cb (GtkButton *button,
+ PropertyListEditor *editor)
+{
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [editor removeSelected];
+ [pool drain];
+}
+
+// }}}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/PropertyPane.h b/tikzit/src/linux/PropertyPane.h
new file mode 100644
index 0000000..5b6ef1b
--- /dev/null
+++ b/tikzit/src/linux/PropertyPane.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+#import "Configuration.h"
+#import "TikzDocument.h"
+#import "PropertyListEditor.h"
+
+@class GraphPropertyDelegate;
+@class NodePropertyDelegate;
+@class EdgePropertyDelegate;
+@class EdgeNodePropertyDelegate;
+
+@interface PropertyPane: NSObject {
+ TikzDocument *document;
+ BOOL blockUpdates;
+
+ PropertyListEditor *graphProps;
+ PropertyListEditor *nodeProps;
+ PropertyListEditor *edgeProps;
+ PropertyListEditor *edgeNodeProps;
+
+ GraphPropertyDelegate *graphPropDelegate;
+ NodePropertyDelegate *nodePropDelegate;
+ EdgePropertyDelegate *edgePropDelegate;
+ EdgeNodePropertyDelegate *edgeNodePropDelegate;
+
+ GtkWidget *propertiesPane;
+
+ GtkExpander *graphPropsExpander;
+ GtkExpander *nodePropsExpander;
+ GtkExpander *edgePropsExpander;
+
+ GtkEntry *nodeLabelEntry;
+ GtkToggleButton *edgeNodeToggle;
+ GtkWidget *edgeNodePropsWidget;
+ GtkEntry *edgeNodeLabelEntry;
+}
+
+@property (readonly) GtkWidget *widget;
+
+- (id) init;
+
+- (TikzDocument*) document;
+- (void) setDocument:(TikzDocument*)doc;
+
+- (void) restoreUiStateFromConfig:(Configuration*)file group:(NSString*)group;
+- (void) saveUiStateToConfig:(Configuration*)file group:(NSString*)group;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/PropertyPane.m b/tikzit/src/linux/PropertyPane.m
new file mode 100644
index 0000000..ff3b9a4
--- /dev/null
+++ b/tikzit/src/linux/PropertyPane.m
@@ -0,0 +1,572 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "PropertyPane.h"
+#import "GraphElementProperty.h"
+#import "gtkhelpers.h"
+
+// {{{ Internal interfaces
+// {{{ GTK+ helpers
+static GtkWidget *createLabelledEntry (const gchar *labelText, GtkEntry **entry);
+static GtkWidget *createPropsPaneWithLabelEntry (PropertyListEditor *props, GtkEntry **labelEntry);
+// }}}
+// {{{ GTK+ callbacks
+static void node_label_changed_cb (GtkEditable *widget, PropertyPane *pane);
+static void edge_node_label_changed_cb (GtkEditable *widget, PropertyPane *pane);
+static void edge_node_toggled_cb (GtkToggleButton *widget, PropertyPane *pane);
+// }}}
+
+@interface PropertyPane (Notifications)
+- (void) nodeSelectionChanged:(NSNotification*)n;
+- (void) edgeSelectionChanged:(NSNotification*)n;
+- (void) graphChanged:(NSNotification*)n;
+- (void) nodeLabelEdited:(NSString*)newValue;
+- (void) edgeNodeLabelEdited:(NSString*)newValue;
+- (void) edgeNodeToggled:(BOOL)newValue;
+@end
+
+@interface PropertyPane (Private)
+- (void) updateGraphPane;
+- (void) updateNodePane;
+- (void) updateEdgePane;
+- (GtkExpander*) _addExpanderWithName:(const gchar*)name contents:(GtkWidget*)contents;
+@end
+
+// {{{ Delegates
+
+@interface GraphPropertyDelegate : NSObject<PropertyChangeDelegate> {
+ TikzDocument *doc;
+}
+- (void) setDocument:(TikzDocument*)d;
+@end
+
+@interface NodePropertyDelegate : NSObject<PropertyChangeDelegate> {
+ TikzDocument *doc;
+ Node *node;
+}
+- (void) setDocument:(TikzDocument*)d;
+- (void) setNode:(Node*)n;
+@end
+
+@interface EdgePropertyDelegate : NSObject<PropertyChangeDelegate> {
+ TikzDocument *doc;
+ Edge *edge;
+}
+- (void) setDocument:(TikzDocument*)d;
+- (void) setEdge:(Edge*)e;
+@end
+
+// }}}
+
+// }}}
+// {{{ API
+
+@implementation PropertyPane
+
+@synthesize widget=propertiesPane;
+
+- (id) init {
+ self = [super init];
+
+ if (self) {
+ document = nil;
+ blockUpdates = NO;
+
+ graphProps = [[PropertyListEditor alloc] init];
+ graphPropDelegate = [[GraphPropertyDelegate alloc] init];
+ [graphProps setDelegate:graphPropDelegate];
+
+ nodeProps = [[PropertyListEditor alloc] init];
+ nodePropDelegate = [[NodePropertyDelegate alloc] init];
+ [nodeProps setDelegate:nodePropDelegate];
+
+ edgeProps = [[PropertyListEditor alloc] init];
+ edgePropDelegate = [[EdgePropertyDelegate alloc] init];
+ [edgeProps setDelegate:edgePropDelegate];
+
+ edgeNodeProps = [[PropertyListEditor alloc] init];
+ [edgeNodeProps setDelegate:edgePropDelegate];
+
+ propertiesPane = gtk_vbox_new (FALSE, 0);
+ g_object_ref_sink (propertiesPane);
+
+ /*
+ * Graph properties
+ */
+ graphPropsExpander = [self _addExpanderWithName:"Graph properties"
+ contents:[graphProps widget]];
+ g_object_ref_sink (graphPropsExpander);
+
+
+ /*
+ * Node properties
+ */
+ GtkWidget *nodePropsWidget = createPropsPaneWithLabelEntry(nodeProps, &nodeLabelEntry);
+ g_object_ref (nodeLabelEntry);
+ nodePropsExpander = [self _addExpanderWithName:"Node properties"
+ contents:nodePropsWidget];
+ g_object_ref (nodePropsExpander);
+ g_signal_connect (G_OBJECT (nodeLabelEntry),
+ "changed",
+ G_CALLBACK (node_label_changed_cb),
+ self);
+
+
+ /*
+ * Edge properties
+ */
+ GtkBox *edgePropsBox = GTK_BOX (gtk_vbox_new (FALSE, 0));
+ edgePropsExpander = [self _addExpanderWithName:"Edge properties"
+ contents:GTK_WIDGET (edgePropsBox)];
+ g_object_ref (edgePropsExpander);
+
+ gtk_widget_show ([edgeProps widget]);
+ gtk_box_pack_start (edgePropsBox, [edgeProps widget], FALSE, TRUE, 0);
+
+ edgeNodeToggle = GTK_TOGGLE_BUTTON (gtk_check_button_new_with_label ("Child node"));
+ g_object_ref (edgeNodeToggle);
+ gtk_widget_show (GTK_WIDGET (edgeNodeToggle));
+ gtk_box_pack_start (edgePropsBox, GTK_WIDGET (edgeNodeToggle), FALSE, TRUE, 0);
+ g_signal_connect (G_OBJECT (GTK_WIDGET (edgeNodeToggle)),
+ "toggled",
+ G_CALLBACK (edge_node_toggled_cb),
+ self);
+
+ edgeNodePropsWidget = createPropsPaneWithLabelEntry(edgeNodeProps, &edgeNodeLabelEntry);
+ g_object_ref (edgeNodePropsWidget);
+ g_object_ref (edgeNodeLabelEntry);
+ gtk_widget_show (edgeNodePropsWidget);
+ gtk_box_pack_start (edgePropsBox, edgeNodePropsWidget, FALSE, TRUE, 0);
+ g_signal_connect (G_OBJECT (edgeNodeLabelEntry),
+ "changed",
+ G_CALLBACK (edge_node_label_changed_cb),
+ self);
+ }
+
+ return self;
+}
+
+- (void) dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+ [document release];
+
+ g_object_unref (propertiesPane);
+ g_object_unref (graphPropsExpander);
+ g_object_unref (nodePropsExpander);
+ g_object_unref (edgePropsExpander);
+ g_object_unref (nodeLabelEntry);
+ g_object_unref (edgeNodeToggle);
+ g_object_unref (edgeNodePropsWidget);
+ g_object_unref (edgeNodeLabelEntry);
+
+ [graphProps release];
+ [nodeProps release];
+ [edgeProps release];
+ [edgeNodeProps release];
+ [graphPropDelegate release];
+ [nodePropDelegate release];
+ [edgePropDelegate release];
+
+ [super dealloc];
+}
+
+- (TikzDocument*) document {
+ return document;
+}
+
+- (void) setDocument:(TikzDocument*)doc {
+ if (document != nil) {
+ [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:document];
+ [[NSNotificationCenter defaultCenter] removeObserver:self name:nil object:[document pickSupport]];
+ }
+
+ [graphPropDelegate setDocument:doc];
+ [nodePropDelegate setDocument:doc];
+ [edgePropDelegate setDocument:doc];
+
+ if (doc != nil) {
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(nodeSelectionChanged:)
+ name:@"NodeSelectionChanged" object:[doc pickSupport]];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(edgeSelectionChanged:)
+ name:@"EdgeSelectionChanged" object:[doc pickSupport]];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(graphChanged:)
+ name:@"TikzChanged" object:doc];
+ }
+
+ [self updateGraphPane];
+ [self updateNodePane];
+ [self updateEdgePane];
+
+ [doc retain];
+ [document release];
+ document = doc;
+}
+
+- (void) restoreUiStateFromConfig:(Configuration*)file group:(NSString*)group {
+ gtk_expander_set_expanded (graphPropsExpander,
+ [file booleanEntry:@"graph-props-expanded"
+ inGroup:group
+ withDefault:NO]);
+ gtk_expander_set_expanded (nodePropsExpander,
+ [file booleanEntry:@"node-props-expanded"
+ inGroup:group
+ withDefault:YES]);
+ gtk_expander_set_expanded (edgePropsExpander,
+ [file booleanEntry:@"edge-props-expanded"
+ inGroup:group
+ withDefault:NO]);
+}
+
+- (void) saveUiStateToConfig:(Configuration*)file group:(NSString*)group {
+ [file setBooleanEntry:@"graph-props-expanded"
+ inGroup:group
+ value:gtk_expander_get_expanded (graphPropsExpander)];
+ [file setBooleanEntry:@"node-props-expanded"
+ inGroup:group
+ value:gtk_expander_get_expanded (nodePropsExpander)];
+ [file setBooleanEntry:@"edge-props-expanded"
+ inGroup:group
+ value:gtk_expander_get_expanded (edgePropsExpander)];
+}
+
+@end
+// }}}
+// {{{ Notifications
+
+@implementation PropertyPane (Notifications)
+
+- (void) nodeSelectionChanged:(NSNotification*)n {
+ [self updateNodePane];
+}
+
+- (void) edgeSelectionChanged:(NSNotification*)n {
+ [self updateEdgePane];
+}
+
+- (void) graphChanged:(NSNotification*)n {
+ [self updateGraphPane];
+ [self updateNodePane];
+ [self updateEdgePane];
+}
+
+- (void) nodeLabelEdited:(NSString*)newValue {
+ if (blockUpdates)
+ return;
+
+ NSSet *sel = [[document pickSupport] selectedNodes];
+ if ([sel count] != 1) {
+ NSLog(@"Expected single node selected; got %lu", [sel count]);
+ return;
+ }
+
+ Node *node = [sel anyObject];
+ [document startModifyNode:node];
+ [node setLabel:newValue];
+ [document endModifyNode];
+}
+
+- (void) edgeNodeLabelEdited:(NSString*)newValue {
+ if (blockUpdates)
+ return;
+
+ NSSet *sel = [[document pickSupport] selectedEdges];
+ if ([sel count] != 1) {
+ NSLog(@"Expected single edge selected; got %lu", [sel count]);
+ return;
+ }
+
+ Edge *edge = [sel anyObject];
+ if (![edge hasEdgeNode]) {
+ NSLog(@"Expected edge with edge node");
+ return;
+ }
+
+ [document startModifyEdge:edge];
+ [[edge edgeNode] setLabel:newValue];
+ [document endModifyEdge];
+}
+
+- (void) edgeNodeToggled:(BOOL)newValue {
+ if (blockUpdates)
+ return;
+
+ NSSet *sel = [[document pickSupport] selectedEdges];
+ if ([sel count] != 1) {
+ NSLog(@"Expected single edge selected; got %lu", [sel count]);
+ return;
+ }
+
+ Edge *edge = [sel anyObject];
+
+ [document startModifyEdge:edge];
+ [edge setHasEdgeNode:newValue];
+ [document endModifyEdge];
+}
+
+@end
+// }}}
+// {{{ Private
+
+@implementation PropertyPane (Private)
+
+- (void) updateGraphPane {
+ blockUpdates = YES;
+
+ GraphElementData *data = [[document graph] data];
+ [graphProps setData:data];
+ gtk_widget_set_sensitive (gtk_bin_get_child (GTK_BIN (graphPropsExpander)), data != nil);
+
+ blockUpdates = NO;
+}
+
+- (void) updateNodePane {
+ blockUpdates = YES;
+
+ NSSet *sel = [[document pickSupport] selectedNodes];
+ if ([sel count] == 1) {
+ Node *n = [sel anyObject];
+ [nodePropDelegate setNode:n];
+ [nodeProps setData:[n data]];
+ gtk_entry_set_text (nodeLabelEntry, [[n label] UTF8String]);
+ gtk_widget_set_sensitive (gtk_bin_get_child (GTK_BIN (nodePropsExpander)), TRUE);
+ } else {
+ [nodePropDelegate setNode:nil];
+ [nodeProps setData:nil];
+ gtk_entry_set_text (nodeLabelEntry, "");
+ gtk_widget_set_sensitive (gtk_bin_get_child (GTK_BIN (nodePropsExpander)), FALSE);
+ }
+
+ blockUpdates = NO;
+}
+
+- (void) updateEdgePane {
+ blockUpdates = YES;
+
+ NSSet *sel = [[document pickSupport] selectedEdges];
+ if ([sel count] == 1) {
+ Edge *e = [sel anyObject];
+ [edgePropDelegate setEdge:e];
+ [edgeProps setData:[e data]];
+ gtk_widget_set_sensitive (gtk_bin_get_child (GTK_BIN (edgePropsExpander)), TRUE);
+ if ([e hasEdgeNode]) {
+ gtk_toggle_button_set_mode (edgeNodeToggle, TRUE);
+ gtk_entry_set_text (GTK_ENTRY (edgeNodeLabelEntry), [[[e edgeNode] label] UTF8String]);
+ [edgeNodeProps setData:[[e edgeNode] data]];
+ gtk_widget_set_sensitive (edgeNodePropsWidget, TRUE);
+ } else {
+ gtk_toggle_button_set_mode (edgeNodeToggle, FALSE);
+ gtk_entry_set_text (GTK_ENTRY (edgeNodeLabelEntry), "");
+ [edgeNodeProps setData:nil];
+ gtk_widget_set_sensitive (edgeNodePropsWidget, FALSE);
+ }
+ } else {
+ [edgePropDelegate setEdge:nil];
+ [edgeProps setData:nil];
+ [edgeNodeProps setData:nil];
+ gtk_entry_set_text (nodeLabelEntry, "");
+ gtk_widget_set_sensitive (gtk_bin_get_child (GTK_BIN (edgePropsExpander)), FALSE);
+ }
+
+ blockUpdates = NO;
+}
+
+- (GtkExpander*) _addExpanderWithName:(const gchar*)name contents:(GtkWidget*)contents {
+ GtkWidget *exp = gtk_expander_new (name);
+ gtk_box_pack_start (GTK_BOX (propertiesPane),
+ exp,
+ FALSE, // expand
+ TRUE, // fill
+ 0); // padding
+ gtk_widget_show (exp);
+ gtk_container_add (GTK_CONTAINER (exp), contents);
+ gtk_widget_show (contents);
+ return GTK_EXPANDER (exp);
+}
+
+@end
+
+// }}}
+// {{{ Delegates
+
+@implementation GraphPropertyDelegate
+- (id) init {
+ self = [super init];
+ if (self) {
+ doc = nil;
+ }
+ return self;
+}
+- (void) setDocument:(TikzDocument*)d {
+ doc = d;
+}
+- (BOOL)startEdit {
+ if ([doc graph] != nil) {
+ [doc startChangeGraphProperties];
+ return YES;
+ }
+ return NO;
+}
+- (void)endEdit {
+ [doc endChangeGraphProperties];
+}
+- (void)cancelEdit {
+ [doc cancelChangeGraphProperties];
+}
+@end
+
+@implementation NodePropertyDelegate
+- (id) init {
+ self = [super init];
+ if (self) {
+ doc = nil;
+ node = nil;
+ }
+ return self;
+}
+- (void) setDocument:(TikzDocument*)d {
+ doc = d;
+ node = nil;
+}
+- (void) setNode:(Node*)n {
+ node = n;
+}
+- (BOOL)startEdit {
+ if (node != nil) {
+ [doc startModifyNode:node];
+ return YES;
+ }
+ return NO;
+}
+- (void)endEdit {
+ [doc endModifyNode];
+}
+- (void)cancelEdit {
+ [doc cancelModifyNode];
+}
+@end
+
+@implementation EdgePropertyDelegate
+- (id) init {
+ self = [super init];
+ if (self) {
+ doc = nil;
+ edge = nil;
+ }
+ return self;
+}
+- (void) setDocument:(TikzDocument*)d {
+ doc = d;
+ edge = nil;
+}
+- (void) setEdge:(Edge*)e {
+ edge = e;
+}
+- (BOOL)startEdit {
+ if (edge != nil) {
+ [doc startModifyEdge:edge];
+ return YES;
+ }
+ return NO;
+}
+- (void)endEdit {
+ [doc endModifyEdge];
+}
+- (void)cancelEdit {
+ [doc cancelModifyEdge];
+}
+@end
+
+// }}}
+// {{{ GTK+ helpers
+
+static GtkWidget *createLabelledEntry (const gchar *labelText, GtkEntry **entry) {
+ GtkBox *box = GTK_BOX (gtk_hbox_new (FALSE, 0));
+ GtkWidget *label = gtk_label_new (labelText);
+ gtk_widget_show (label);
+ GtkWidget *entryWidget = gtk_entry_new ();
+ gtk_widget_show (entryWidget);
+ // container widget expand fill pad
+ gtk_box_pack_start (box, label, FALSE, TRUE, 5);
+ gtk_box_pack_start (box, entryWidget, FALSE, TRUE, 0);
+ if (entry)
+ *entry = GTK_ENTRY (entryWidget);
+ return GTK_WIDGET (box);
+}
+
+static GtkWidget *createPropsPaneWithLabelEntry (PropertyListEditor *props, GtkEntry **labelEntry) {
+ GtkBox *box = GTK_BOX (gtk_vbox_new (FALSE, 0));
+
+ GtkWidget *labelWidget = createLabelledEntry ("Label", labelEntry);
+ gtk_widget_show (labelWidget);
+ // container widget expand fill pad
+ gtk_box_pack_start (box, labelWidget, FALSE, TRUE, 0);
+ gtk_box_pack_start (box, [props widget], FALSE, TRUE, 0);
+ gtk_widget_show ([props widget]);
+ return GTK_WIDGET (box);
+}
+
+// }}}
+// {{{ GTK+ callbacks
+
+static void node_label_changed_cb (GtkEditable *editable, PropertyPane *pane) {
+ if (!gtk_widget_is_sensitive (GTK_WIDGET (editable))) {
+ // clearly wasn't the user editing
+ return;
+ }
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ NSString *newValue = gtk_editable_get_string (editable, 0, -1);
+ [pane nodeLabelEdited:newValue];
+
+ [pool drain];
+}
+
+static void edge_node_label_changed_cb (GtkEditable *editable, PropertyPane *pane) {
+ if (!gtk_widget_is_sensitive (GTK_WIDGET (editable))) {
+ // clearly wasn't the user editing
+ return;
+ }
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ NSString *newValue = gtk_editable_get_string (editable, 0, -1);
+ [pane edgeNodeLabelEdited:newValue];
+
+ [pool drain];
+}
+
+static void edge_node_toggled_cb (GtkToggleButton *toggle, PropertyPane *pane) {
+ if (!gtk_widget_is_sensitive (GTK_WIDGET (toggle))) {
+ // clearly wasn't the user editing
+ return;
+ }
+
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ gboolean newValue = gtk_toggle_button_get_mode (toggle);
+ [pane edgeNodeToggled:newValue];
+
+ [pool drain];
+}
+
+// }}}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/RecentManager.h b/tikzit/src/linux/RecentManager.h
new file mode 100644
index 0000000..e2c2793
--- /dev/null
+++ b/tikzit/src/linux/RecentManager.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+
+@interface RecentManager: NSObject {
+}
+
++ (RecentManager*) defaultManager;
+
+- (void)addRecentFile:(NSString*)path;
+- (void)removeRecentFile:(NSString*)path;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/RecentManager.m b/tikzit/src/linux/RecentManager.m
new file mode 100644
index 0000000..c6074c6
--- /dev/null
+++ b/tikzit/src/linux/RecentManager.m
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "RecentManager.h"
+#import <gtk/gtk.h>
+
+static RecentManager *defMan = nil;
+
+@implementation RecentManager
+- (id) init {
+ self = [super init];
+ return self;
+}
+
++ (RecentManager*) defaultManager {
+ if (defMan == nil) {
+ defMan = [[self alloc] init];
+ }
+ return defMan;
+}
+
+- (void)addRecentFile:(NSString*)path {
+ NSError *error = nil;
+ gchar *uri = [path glibUriWithError:&error];
+ if (error) {
+ logError (error, @"Could not add recent file");
+ return;
+ }
+
+ GtkRecentData recent_data;
+ recent_data.display_name = NULL;
+ recent_data.description = NULL;
+ recent_data.mime_type = "text/x-tikz";
+ recent_data.app_name = (gchar *) g_get_application_name ();
+ recent_data.app_exec = g_strjoin (" ", g_get_prgname (), "%u", NULL);
+ recent_data.groups = NULL;
+ recent_data.is_private = FALSE;
+
+ gtk_recent_manager_add_full (gtk_recent_manager_get_default(), uri, &recent_data);
+
+ g_free (uri);
+ g_free (recent_data.app_exec);
+}
+
+- (void)removeRecentFile:(NSString*)path {
+ NSError *error = nil;
+ gchar *uri = [path glibUriWithError:&error];
+ if (error) {
+ logError (error, @"Could not remove recent file");
+ return;
+ }
+
+ gtk_recent_manager_remove_item (gtk_recent_manager_get_default(), uri, NULL);
+
+ g_free (uri);
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/Shape+Render.h b/tikzit/src/linux/Shape+Render.h
new file mode 100644
index 0000000..a744c77
--- /dev/null
+++ b/tikzit/src/linux/Shape+Render.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "Shape.h"
+#import "RenderContext.h"
+#import "Surface.h"
+
+@interface Shape (Render)
+
+- (void) drawPathWithTransform:(Transformer*)transform andContext:(id<RenderContext>)context;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/Shape+Render.m b/tikzit/src/linux/Shape+Render.m
new file mode 100644
index 0000000..924bb24
--- /dev/null
+++ b/tikzit/src/linux/Shape+Render.m
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "Shape+Render.h"
+
+#import "Edge.h"
+
+// we use cairo for finding the bounding box etc.
+#import <cairo/cairo.h>
+
+@implementation Shape (Render)
+
+- (void) drawPathWithTransform:(Transformer*)transform andContext:(id<RenderContext>)context {
+ [context startPath];
+
+ for (NSArray *arr in [self paths]) {
+ BOOL fst = YES;
+ NSPoint p, cp1, cp2;
+
+ for (Edge *e in arr) {
+ if (fst) {
+ fst = NO;
+ p = [transform toScreen:[[e source] point]];
+ [context moveTo:p];
+ }
+
+ p = [transform toScreen:[[e target] point]];
+ if ([e isStraight]) {
+ [context lineTo:p];
+ } else {
+ cp1 = [transform toScreen:[e cp1]];
+ cp2 = [transform toScreen:[e cp2]];
+ [context curveTo:p withCp1:cp1 andCp2:cp2];
+ }
+ }
+
+ [context closeSubPath];
+ }
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/StyleManager+Storage.h b/tikzit/src/linux/StyleManager+Storage.h
new file mode 100644
index 0000000..1727786
--- /dev/null
+++ b/tikzit/src/linux/StyleManager+Storage.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "StyleManager.h"
+
+@interface StyleManager (Storage)
+- (void) loadStylesUsingConfigurationName:(NSString*)name;
+- (void) saveStylesUsingConfigurationName:(NSString*)name;
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/StyleManager+Storage.m b/tikzit/src/linux/StyleManager+Storage.m
new file mode 100644
index 0000000..112b885
--- /dev/null
+++ b/tikzit/src/linux/StyleManager+Storage.m
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "StyleManager+Storage.h"
+#import "Configuration.h"
+#import "NodeStyle+Storage.h"
+#import "EdgeStyle+Storage.h"
+
+static NSString *nodeStyleGroupPrefix = @"Style ";
+static NSString *edgeStyleGroupPrefix = @"EdgeStyle ";
+
+@implementation StyleManager (Storage)
+
+- (void) loadStylesUsingConfigurationName:(NSString*)name {
+ if (![Configuration configurationExistsWithName:name]) {
+ return;
+ }
+ NSError *error = nil;
+ Configuration *stylesConfig = [Configuration configurationWithName:name loadError:&error];
+ if (error != nil) {
+ logError (error, @"Could not load styles configuration");
+ // stick with the default config
+ return;
+ }
+ NSArray *groups = [stylesConfig groups];
+ NSMutableArray *ns = [NSMutableArray arrayWithCapacity:[groups count]];
+ NSMutableArray *es = [NSMutableArray arrayWithCapacity:[groups count]];
+
+ for (NSString *groupName in groups) {
+ if ([groupName hasPrefix:nodeStyleGroupPrefix]) {
+ NodeStyle *style = [[NodeStyle alloc] initFromConfigurationGroup:groupName config:stylesConfig];
+ [ns addObject:style];
+ } else if ([groupName hasPrefix:edgeStyleGroupPrefix]) {
+ EdgeStyle *style = [[EdgeStyle alloc] initFromConfigurationGroup:groupName config:stylesConfig];
+ [es addObject:style];
+ }
+ }
+
+ [self _setNodeStyles:ns];
+ [self _setEdgeStyles:es];
+}
+
+- (void) saveStylesUsingConfigurationName:(NSString*)name {
+ NSError *error = nil;
+ Configuration *stylesConfig = [Configuration emptyConfigurationWithName:name];
+ NSArray *ns = [self nodeStyles];
+ NSArray *es = [self edgeStyles];
+ NSUInteger length = [ns count];
+ for (int i = 0; i < length; ++i) {
+ NodeStyle *style = [ns objectAtIndex:i];
+ NSString *groupName = [NSString stringWithFormat:@"%@%d", nodeStyleGroupPrefix, i];
+ [style storeToConfigurationGroup:groupName config:stylesConfig];
+ }
+ length = [es count];
+ for (int i = 0; i < length; ++i) {
+ EdgeStyle *style = [es objectAtIndex:i];
+ NSString *groupName = [NSString stringWithFormat:@"%@%d", edgeStyleGroupPrefix, i];
+ [style storeToConfigurationGroup:groupName config:stylesConfig];
+ }
+ if (![stylesConfig writeToStoreWithError:&error]) {
+ logError (error, @"Could not write styles configuration");
+ }
+}
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/Surface.h b/tikzit/src/linux/Surface.h
new file mode 100644
index 0000000..d2a0dba
--- /dev/null
+++ b/tikzit/src/linux/Surface.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "RenderContext.h"
+#import "Transformer.h"
+
+@protocol Surface;
+
+@protocol RenderDelegate
+- (void) renderWithContext:(id<RenderContext>)context onSurface:(id<Surface>)surface;
+@end
+
+/**
+ * Represents a surface that can be rendered to
+ *
+ * This protocol should be implemented by drawing surfaces. It
+ * provides geometry information and methods to invalidate
+ * regions of the surface, triggering a redraw.
+ *
+ * The surface should send a "SurfaceSizeChanged" notification
+ * when the width or height changes.
+ */
+@protocol Surface
+
+/**
+ * The width of the surface, in surface units
+ *
+ * The surface should send a "SurfaceSizeChanged" notification
+ * when this property changes.
+ */
+@property (readonly) int width;
+/**
+ * The height of the surface, in surface units
+ *
+ * The surface should send a "SurfaceSizeChanged" notification
+ * when this property changes.
+ */
+@property (readonly) int height;
+/**
+ * The transformer that converts between graph units and surface units
+ */
+@property (readonly) Transformer *transformer;
+/**
+ * The render delegate.
+ *
+ * This will be used to redraw (parts of) the surface when necessary.
+ */
+@property (assign) id<RenderDelegate> renderDelegate;
+
+/**
+ * Create a render context for the surface.
+ */
+- (id<RenderContext>) createRenderContext;
+/**
+ * Invalidate a portion of the surface.
+ *
+ * This will request that part of the surface be redrawn.
+ */
+- (void) invalidateRect:(NSRect)rect;
+/**
+ * Invalidate the whole surface.
+ *
+ * This will request that the whole surface be redrawn.
+ */
+- (void) invalidate;
+
+- (void) zoomIn;
+- (void) zoomOut;
+- (void) zoomReset;
+- (void) zoomInAboutPoint:(NSPoint)p;
+- (void) zoomOutAboutPoint:(NSPoint)p;
+- (void) zoomResetAboutPoint:(NSPoint)p;
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/TZFoundation.h b/tikzit/src/linux/TZFoundation.h
new file mode 100644
index 0000000..6f42700
--- /dev/null
+++ b/tikzit/src/linux/TZFoundation.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+#import <glib.h>
+
+#import "NSError+Glib.h"
+#import "NSError+Tikzit.h"
+#import "NSFileManager+Glib.h"
+#import "NSFileManager+Utils.h"
+#import "NSString+Glib.h"
+#import "NSString+LatexConstants.h"
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/TikzDocument.h b/tikzit/src/linux/TikzDocument.h
new file mode 100644
index 0000000..5ab5f30
--- /dev/null
+++ b/tikzit/src/linux/TikzDocument.h
@@ -0,0 +1,156 @@
+//
+// TikzDocument.h
+// TikZiT
+//
+// Copyright 2010 Chris Heunen
+// Copyright 2010 Alex Merry
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "TZFoundation.h"
+#import <Graph.h>
+#import "PickSupport.h"
+#import "StyleManager.h"
+
+@interface TikzDocument : NSObject {
+ StyleManager *styleManager;
+ Graph *graph;
+ PickSupport *pickSupport;
+ NSUndoManager *undoManager;
+ NSString *tikz;
+ NSString *path;
+ NSSet *nodesetBeingModified;
+ BasicMapTable *nodesetBeingModifiedOldCopy;
+ NSPoint currentNodeShift;
+ Node *nodeBeingModified;
+ Node *nodeBeingModifiedOldCopy;
+ Edge *edgeBeingModified;
+ Edge *edgeBeingModifiedOldCopy;
+ NSRect oldGraphBounds;
+ GraphElementData *oldGraphData;
+ BOOL hasChanges;
+}
+
++ (TikzDocument*) documentWithStyleManager:(StyleManager*)manager;
++ (TikzDocument*) documentWithGraph:(Graph*)g styleManager:(StyleManager*)manager;
++ (TikzDocument*) documentWithTikz:(NSString*)t styleManager:(StyleManager*)manager;
++ (TikzDocument*) documentFromFile:(NSString*)path styleManager:(StyleManager*)manager error:(NSError**)error;
+
+- (id) initWithStyleManager:(StyleManager*)manager;
+- (id) initWithGraph:(Graph*)g styleManager:(StyleManager*)manager;
+- (id) initWithTikz:(NSString*)t styleManager:(StyleManager*)manager;
+- (id) initFromFile:(NSString*)path styleManager:(StyleManager*)manager error:(NSError**)error;
+
+- (Graph*) graph;
+- (PickSupport*) pickSupport;
+- (NSString*) path;
+- (NSString*) name;
+- (NSString*) suggestedFileName;
+- (BOOL) hasUnsavedChanges;
+
+- (StyleManager*) styleManager;
+- (void) setStyleManager:(StyleManager*)manager;
+
+- (NSString*) tikz;
+- (BOOL) setTikz:(NSString*)tikz;
+
+- (Graph*) cutSelection;
+- (Graph*) copySelection;
+- (void) paste:(Graph*)graph;
+- (void) pasteFromTikz:(NSString*)tikz;
+
+// some convenience methods:
+- (BOOL) isNodeSelected:(Node*)node;
+- (BOOL) isEdgeSelected:(Edge*)edge;
+- (NSEnumerator*) nodeEnumerator;
+- (NSEnumerator*) edgeEnumerator;
+
+- (BOOL) canUndo;
+- (void) undo;
+- (BOOL) canRedo;
+- (void) redo;
+- (NSString*) undoName;
+- (NSString*) redoName;
+
+- (void) startUndoGroup;
+- (void) nameAndEndUndoGroup:(NSString*)nm;
+- (void) endUndoGroup;
+
+- (void) startModifyNode:(Node*)node;
+- (void) modifyNodeCheckPoint;
+- (void) endModifyNode;
+- (void) cancelModifyNode;
+
+- (void) startModifyNodes:(NSSet*)nodes;
+- (void) modifyNodesCheckPoint;
+- (void) endModifyNodes;
+- (void) cancelModifyNodes;
+
+- (void) startShiftNodes:(NSSet*)nodes;
+- (void) shiftNodesUpdate:(NSPoint)shiftChange;
+- (void) endShiftNodes;
+- (void) cancelShiftNodes;
+
+- (void) startModifyEdge:(Edge*)edge;
+- (void) modifyEdgeCheckPoint;
+- (void) endModifyEdge;
+- (void) cancelModifyEdge;
+
+- (void) startChangeBoundingBox;
+- (void) changeBoundingBoxCheckPoint;
+- (void) endChangeBoundingBox;
+- (void) cancelChangeBoundingBox;
+
+- (void) startChangeGraphProperties;
+- (void) changeGraphPropertiesCheckPoint;
+- (void) endChangeGraphProperties;
+- (void) cancelChangeGraphProperties;
+
+- (void) removeSelected;
+- (void) addNode:(Node*)node;
+/*!
+ * Convenience function to add a node in the active style
+ * at the given point.
+ *
+ * @param pos the position (in graph co-ordinates) of the new node
+ * @return the added node
+ */
+- (Node*) addNodeAt:(NSPoint)pos;
+- (void) removeNode:(Node*)node;
+- (void) addEdge:(Edge*)edge;
+- (void) removeEdge:(Edge*)edge;
+/*!
+ * Convenience function to add an edge in the active style
+ * between the given nodes.
+ *
+ * @param source the source node
+ * @param target the target node
+ * @return the added edge
+ */
+- (Edge*) addEdgeFrom:(Node*)source to:(Node*)target;
+- (void) shiftSelectedNodesByPoint:(NSPoint)offset;
+- (void) insertGraph:(Graph*)g;
+- (void) flipSelectedNodesHorizontally;
+- (void) flipSelectedNodesVertically;
+
+- (BOOL) saveCopyToPath: (NSString*)path error: (NSError**)error;
+- (BOOL) saveToPath: (NSString*)path error: (NSError**)error;
+- (BOOL) save: (NSError**)error;
+
+@end
+
+// vim:ft=objc:sts=4:sw=4:et
diff --git a/tikzit/src/linux/TikzDocument.m b/tikzit/src/linux/TikzDocument.m
new file mode 100644
index 0000000..43001cc
--- /dev/null
+++ b/tikzit/src/linux/TikzDocument.m
@@ -0,0 +1,773 @@
+//
+// TikzDocument.h
+// TikZiT
+//
+// Copyright 2010 Chris Heunen
+// Copyright 2010 Alex Merry
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "TikzDocument.h"
+#import "TikzGraphAssembler.h"
+
+@interface TikzDocument (Private)
+- (void) styleRenamed:(NSNotification*)n;
+
+- (void) setPath:(NSString*)path;
+- (void) setGraph:(Graph*)g;
+
+- (void) registerUndoForChange:(GraphChange*)change;
+- (void) registerUndoGroupForChange:(GraphChange*)change withName:(NSString*)name;
+- (void) undoGraphChange:(GraphChange*)change;
+- (void) completedGraphChange:(GraphChange*)change withName:(NSString*)name;
+- (void) attachStylesToGraph:(Graph*)g;
+
+- (void) regenerateTikz;
+@end
+
+@implementation TikzDocument
+
++ (TikzDocument*) documentWithStyleManager:(StyleManager*)manager {
+ return [[[TikzDocument alloc] initWithStyleManager:manager] autorelease];
+}
+
++ (TikzDocument*) documentWithGraph:(Graph*)g styleManager:(StyleManager*)manager {
+ return [[[TikzDocument alloc] initWithGraph:g styleManager:manager] autorelease];
+}
+
++ (TikzDocument*) documentWithTikz:(NSString*)t styleManager:(StyleManager*)manager {
+ return [[[TikzDocument alloc] initWithTikz:t styleManager:manager] autorelease];
+}
+
++ (TikzDocument*) documentFromFile:(NSString*)pth styleManager:(StyleManager*)manager error:(NSError**)error {
+ return [[[TikzDocument alloc] initFromFile:pth styleManager:manager error:error] autorelease];
+}
+
+
+- (id) initWithStyleManager:(StyleManager*)manager {
+ self = [self initWithGraph:[Graph graph] styleManager:manager];
+ return self;
+}
+
+- (id) initWithGraph:(Graph*)g styleManager:(StyleManager*)manager {
+ self = [super init];
+
+ if (self) {
+ graph = nil;
+ styleManager = [manager retain];
+ pickSupport = [[PickSupport alloc] init];
+ undoManager = [[NSUndoManager alloc] init];
+ [undoManager setGroupsByEvent:NO];
+ tikz = nil;
+ path = nil;
+ nodesetBeingModified = nil;
+ nodesetBeingModifiedOldCopy = nil;
+ nodeBeingModified = nil;
+ nodeBeingModifiedOldCopy = nil;
+ edgeBeingModified = nil;
+ edgeBeingModifiedOldCopy = nil;
+
+ [undoManager disableUndoRegistration];
+ [self setGraph:g];
+ [undoManager enableUndoRegistration];
+
+ hasChanges = NO;
+
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(styleRenamed:)
+ name:@"NodeStyleRenamed"
+ object:styleManager];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(styleRenamed:)
+ name:@"EdgeStyleRenamed"
+ object:styleManager];
+ }
+
+ return self;
+}
+
+- (id) initWithTikz:(NSString*)t styleManager:(StyleManager*)manager {
+ self = [self initWithStyleManager:manager];
+
+ if (self) {
+ [undoManager disableUndoRegistration];
+ [self setTikz:t];
+ [undoManager enableUndoRegistration];
+ hasChanges = NO;
+ }
+
+ return self;
+}
+
+- (id) initFromFile:(NSString*)pth styleManager:(StyleManager*)manager error:(NSError**)error {
+ NSStringEncoding enc; // we can't pass in NULL here...
+ NSString *t = [NSString stringWithContentsOfFile:pth
+ usedEncoding:&enc error:error];
+ if (t == nil) {
+ [self release];
+ return nil;
+ }
+
+ self = [self initWithTikz:t styleManager:manager];
+
+ if (self) {
+ [self setPath:pth];
+ }
+ return self;
+}
+
+- (void) dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+
+ [styleManager release];
+ [graph release];
+ [pickSupport release];
+ [undoManager release];
+ [tikz release];
+ [path release];
+ [nodesetBeingModified release];
+ [nodesetBeingModifiedOldCopy release];
+ [nodeBeingModified release];
+ [nodeBeingModifiedOldCopy release];
+ [edgeBeingModified release];
+ [edgeBeingModifiedOldCopy release];
+ [oldGraphData release];
+ [super dealloc];
+}
+
+- (Graph*) graph {
+ return graph;
+}
+
+- (PickSupport*) pickSupport {
+ return pickSupport;
+}
+
+- (NSString*) path {
+ return path;
+}
+
+- (NSString*) name {
+ if (path) {
+ return [[NSFileManager defaultManager] displayNameAtPath: path];
+ } else {
+ return @"Untitled";
+ }
+}
+
+- (NSString*) suggestedFileName {
+ if (path) {
+ return [path lastPathComponent];
+ } else {
+ return @"untitled.tikz";
+ }
+}
+
+- (BOOL) hasUnsavedChanges {
+ return hasChanges;
+}
+
+- (StyleManager*) styleManager {
+ return styleManager;
+}
+
+- (void) setStyleManager:(StyleManager*)manager {
+ StyleManager *oldManager = styleManager;
+ [[NSNotificationCenter defaultCenter]
+ removeObserver:self
+ name:nil
+ object:oldManager];
+
+ styleManager = [manager retain];
+
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(styleRenamed:)
+ name:@"NodeStyleRenamed"
+ object:styleManager];
+ [[NSNotificationCenter defaultCenter]
+ addObserver:self
+ selector:@selector(styleRenamed:)
+ name:@"EdgeStyleRenamed"
+ object:styleManager];
+
+ [self attachStylesToGraph:graph];
+ [oldManager release];
+}
+
+- (void) postGraphReplaced {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"GraphReplaced" object:self];
+}
+
+- (void) postGraphChange:(GraphChange*)change {
+ NSDictionary *info = [NSDictionary dictionaryWithObject:change forKey:@"change"];
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"GraphChanged" object:self userInfo:info];
+}
+
+- (void) postIncompleteGraphChange:(GraphChange*)change {
+ NSDictionary *info = [NSDictionary dictionaryWithObject:change forKey:@"change"];
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"GraphBeingChanged" object:self userInfo:info];
+}
+
+- (void) postCancelledGraphChange:(GraphChange*)change {
+ NSDictionary *info = [NSDictionary dictionaryWithObject:change forKey:@"change"];
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"GraphChangeCancelled" object:self userInfo:info];
+}
+
+- (void) postTikzChanged {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"TikzChanged" object:self];
+}
+
+- (void) postParseError {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"ParseError" object:self];
+}
+
+- (void) postUndoStackChanged {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"UndoStackChanged" object:self];
+}
+
+- (NSString*) tikz {
+ return tikz;
+}
+
+- (BOOL) setTikz:(NSString*)t {
+ if (t == nil) {
+ t = [NSString string];
+ }
+ if (t == tikz || [t isEqual:tikz]) {
+ return YES;
+ }
+
+ TikzGraphAssembler *a = [TikzGraphAssembler assembler];
+ BOOL success = [a parseTikz:t];
+ if (success) {
+ // setTikz actually generates a graph from the tikz,
+ // and generates the final tikz from that
+ [self startUndoGroup];
+ [self setGraph:[a graph]];
+ [self nameAndEndUndoGroup:@"Update tikz"];
+ } else {
+ [self postParseError];
+ }
+
+ return success;
+}
+
+- (Graph*) cutSelection {
+ Graph *selection = [self copySelection];
+ [self startUndoGroup];
+ [self removeSelected];
+ [self nameAndEndUndoGroup:@"Cut"];
+ return selection;
+}
+
+- (Graph*) copySelection {
+ return [[graph copyOfSubgraphWithNodes:[pickSupport selectedNodes]] autorelease];
+}
+
+- (void) paste:(Graph*)g {
+ if (g == nil || [[g nodes] count] == 0) {
+ // nothing to paste
+ return;
+ }
+
+ // place to the right of the existing graph
+ NSRect bounds = [graph bounds];
+ NSRect gBounds = [g bounds];
+ float dx = NSMaxX (bounds) - gBounds.origin.x + 0.5f;
+ [g shiftNodes:[g nodes] byPoint:NSMakePoint (dx, 0)];
+
+ GraphChange *change = [graph insertGraph:g];
+ [self completedGraphChange:change withName:@"Paste"];
+
+ // select everything from the clipboard
+ [pickSupport deselectAllEdges];
+ [pickSupport selectAllNodes:[g nodes] replacingSelection:YES];
+}
+
+- (void) pasteFromTikz:(NSString*)t {
+ TikzGraphAssembler *a = [TikzGraphAssembler assembler];
+ if ([a parseTikz:t]) {
+ Graph *clipboard = [a graph];
+ [self attachStylesToGraph:clipboard];
+ [self paste:clipboard];
+ }
+}
+
+- (BOOL) isNodeSelected:(Node*)node {
+ return [pickSupport isNodeSelected:node];
+}
+
+- (BOOL) isEdgeSelected:(Edge*)edge {
+ return [pickSupport isEdgeSelected:edge];
+}
+
+- (NSEnumerator*) nodeEnumerator {
+ return [[graph nodes] objectEnumerator];
+}
+
+- (NSEnumerator*) edgeEnumerator {
+ return [[graph edges] objectEnumerator];
+}
+
+- (BOOL) canUndo {
+ return [undoManager canUndo];
+}
+
+- (void) undo {
+ [undoManager undo];
+ [self postUndoStackChanged];
+}
+
+- (BOOL) canRedo {
+ return [undoManager canRedo];
+}
+
+- (void) redo {
+ [undoManager redo];
+ [self postUndoStackChanged];
+}
+
+- (NSString*) undoName {
+ return [undoManager undoActionName];
+}
+
+- (NSString*) redoName {
+ return [undoManager redoActionName];
+}
+
+- (void) startUndoGroup {
+ [undoManager beginUndoGrouping];
+}
+
+- (void) nameAndEndUndoGroup:(NSString*)nm {
+ [undoManager setActionName:nm];
+ [undoManager endUndoGrouping];
+ [self postUndoStackChanged];
+}
+
+- (void) endUndoGroup {
+ [undoManager endUndoGrouping];
+ [self postUndoStackChanged];
+}
+
+- (void) startModifyNode:(Node*)node {
+ if (nodeBeingModified != nil) {
+ [NSException raise:@"NSInternalInconsistencyException" format:@"Already modifying a node"];
+ }
+ nodeBeingModified = [node retain];
+ nodeBeingModifiedOldCopy = [node copy];
+}
+
+- (void) modifyNodeCheckPoint {
+ [self regenerateTikz];
+ GraphChange *change = [GraphChange propertyChangeOfNode:nodeBeingModified
+ fromOld:nodeBeingModifiedOldCopy
+ toNew:[[nodeBeingModified copy] autorelease]];
+ [self postIncompleteGraphChange:change];
+}
+
+- (void) _finishModifySequence:(GraphChange*)change withName:(NSString*)chName cancelled:(BOOL)cancelled {
+ if (cancelled) {
+ change = [change invert];
+ [graph applyGraphChange:change];
+ [self regenerateTikz];
+ [self postCancelledGraphChange:change];
+ } else {
+ [self registerUndoGroupForChange:change withName:chName];
+ [self regenerateTikz];
+ [self postGraphChange:change];
+ }
+}
+
+- (void) _finishModifyNodeCancelled:(BOOL)cancelled {
+ if (nodeBeingModified == nil) {
+ [NSException raise:@"NSInternalInconsistencyException" format:@"Not modifying a node"];
+ }
+
+ GraphChange *change = [GraphChange propertyChangeOfNode:nodeBeingModified
+ fromOld:nodeBeingModifiedOldCopy
+ toNew:[[nodeBeingModified copy] autorelease]];
+ [self _finishModifySequence:change withName:@"Modify node" cancelled:cancelled];
+
+ [nodeBeingModified release];
+ nodeBeingModified = nil;
+ [nodeBeingModifiedOldCopy release];
+ nodeBeingModifiedOldCopy = nil;
+}
+
+- (void) endModifyNode { [self _finishModifyNodeCancelled:NO]; }
+- (void) cancelModifyNode { [self _finishModifyNodeCancelled:YES]; }
+
+- (void) startModifyNodes:(NSSet*)nodes {
+ if (nodesetBeingModified != nil) {
+ [NSException raise:@"NSInternalInconsistencyException" format:@"Already modifying a node set"];
+ }
+
+ nodesetBeingModified = [nodes copy];
+ nodesetBeingModifiedOldCopy = [[Graph nodeTableForNodes:nodes] retain];
+}
+
+- (void) modifyNodesCheckPoint {
+ [self regenerateTikz];
+ GraphChange *change = [GraphChange propertyChangeOfNodesFromOldCopies:nodesetBeingModifiedOldCopy
+ toNewCopies:[Graph nodeTableForNodes:nodesetBeingModified]];
+ [self postIncompleteGraphChange:change];
+}
+
+- (void) _finishModifyNodes:(BOOL)cancelled {
+ if (nodesetBeingModified == nil) {
+ [NSException raise:@"NSInternalInconsistencyException" format:@"Not modifying a node set"];
+ }
+
+ GraphChange *change = [GraphChange propertyChangeOfNodesFromOldCopies:nodesetBeingModifiedOldCopy
+ toNewCopies:[Graph nodeTableForNodes:nodesetBeingModified]];
+ [self _finishModifySequence:change withName:@"Modify nodes" cancelled:cancelled];
+
+ [nodesetBeingModified release];
+ nodesetBeingModified = nil;
+ [nodesetBeingModifiedOldCopy release];
+ nodesetBeingModifiedOldCopy = nil;
+}
+
+- (void) endModifyNodes { [self _finishModifyNodes:NO]; }
+- (void) cancelModifyNodes { [self _finishModifyNodes:YES]; }
+
+- (void) startShiftNodes:(NSSet*)nodes {
+ if (nodesetBeingModified != nil) {
+ [NSException raise:@"NSInternalInconsistencyException" format:@"Already modifying a node set"];
+ }
+
+ nodesetBeingModified = [nodes copy];
+ currentNodeShift = NSZeroPoint;
+}
+
+- (void) shiftNodesUpdate:(NSPoint)currentShift {
+ if (nodesetBeingModified == nil) {
+ [NSException raise:@"NSInternalInconsistencyException" format:@"Not modifying a node set"];
+ }
+
+ currentNodeShift = currentShift;
+ [self regenerateTikz];
+ GraphChange *change = [GraphChange shiftNodes:nodesetBeingModified
+ byPoint:currentNodeShift];
+ [self postIncompleteGraphChange:change];
+}
+
+- (void) _finishShiftNodesCancelled:(BOOL)cancelled {
+ if (nodesetBeingModified == nil) {
+ [NSException raise:@"NSInternalInconsistencyException" format:@"Not modifying a node set"];
+ }
+
+ if (!NSEqualPoints (currentNodeShift, NSZeroPoint)) {
+ GraphChange *change = [GraphChange shiftNodes:nodesetBeingModified
+ byPoint:currentNodeShift];
+ [self _finishModifySequence:change withName:@"Move nodes" cancelled:cancelled];
+ }
+
+ [nodesetBeingModified release];
+ nodesetBeingModified = nil;
+}
+
+- (void) endShiftNodes { [self _finishShiftNodesCancelled:NO]; }
+- (void) cancelShiftNodes { [self _finishShiftNodesCancelled:YES]; }
+
+- (void) startModifyEdge:(Edge*)edge {
+ if (edgeBeingModified != nil) {
+ [NSException raise:@"NSInternalInconsistencyException" format:@"Already modifying an edge"];
+ }
+ edgeBeingModified = [edge retain];
+ edgeBeingModifiedOldCopy = [edge copy];
+}
+
+- (void) modifyEdgeCheckPoint {
+ [self regenerateTikz];
+ GraphChange *change = [GraphChange propertyChangeOfEdge:edgeBeingModified
+ fromOld:edgeBeingModifiedOldCopy
+ toNew:[[edgeBeingModified copy] autorelease]];
+ [self postIncompleteGraphChange:change];
+}
+
+- (void) _finishModifyEdgeCancelled:(BOOL)cancelled {
+ if (edgeBeingModified == nil) {
+ [NSException raise:@"NSInternalInconsistencyException" format:@"Not modifying an edge"];
+ }
+
+ GraphChange *change = [GraphChange propertyChangeOfEdge:edgeBeingModified
+ fromOld:edgeBeingModifiedOldCopy
+ toNew:[[edgeBeingModified copy] autorelease]];
+ [self _finishModifySequence:change withName:@"Modify edge" cancelled:cancelled];
+
+ [edgeBeingModified release];
+ edgeBeingModified = nil;
+ [edgeBeingModifiedOldCopy release];
+ edgeBeingModifiedOldCopy = nil;
+}
+
+- (void) endModifyEdge { [self _finishModifyEdgeCancelled:NO]; }
+- (void) cancelModifyEdge { [self _finishModifyEdgeCancelled:YES]; }
+
+- (void) startChangeBoundingBox {
+ oldGraphBounds = [graph boundingBox];
+}
+
+- (void) changeBoundingBoxCheckPoint {
+ [self regenerateTikz];
+ GraphChange *change = [GraphChange changeBoundingBoxFrom:oldGraphBounds
+ to:[graph boundingBox]];
+ [self postIncompleteGraphChange:change];
+}
+
+- (void) _finishChangeBoundingBoxCancelled:(BOOL)cancelled {
+ GraphChange *change = [GraphChange changeBoundingBoxFrom:oldGraphBounds
+ to:[graph boundingBox]];
+ [self _finishModifySequence:change withName:@"Set bounding box" cancelled:cancelled];
+}
+- (void) endChangeBoundingBox { [self _finishChangeBoundingBoxCancelled:NO]; }
+- (void) cancelChangeBoundingBox { [self _finishChangeBoundingBoxCancelled:YES]; }
+
+- (void) startChangeGraphProperties {
+ oldGraphData = [[graph data] copy];
+}
+
+- (void) changeGraphPropertiesCheckPoint {
+ [self regenerateTikz];
+ GraphChange *change = [GraphChange propertyChangeOfGraphFrom:oldGraphData
+ to:[graph data]];
+ [self postIncompleteGraphChange:change];
+}
+
+- (void) _finishChangeGraphPropertiesCancelled:(BOOL)cancelled {
+ GraphChange *change = [GraphChange propertyChangeOfGraphFrom:oldGraphData
+ to:[graph data]];
+ [self _finishModifySequence:change withName:@"Change graph properties" cancelled:cancelled];
+ [oldGraphData release];
+ oldGraphData = nil;
+}
+- (void) endChangeGraphProperties { [self _finishChangeGraphPropertiesCancelled:NO]; }
+- (void) cancelChangeGraphProperties { [self _finishChangeGraphPropertiesCancelled:YES]; }
+
+- (void) removeSelected {
+ NSUInteger selEdges = [[pickSupport selectedEdges] count];
+ NSUInteger selNodes = [[pickSupport selectedNodes] count];
+
+ if (selEdges == 0 && selNodes == 0) {
+ return;
+ }
+
+ NSString *actionName = @"Remove selection";
+
+ [self startUndoGroup];
+ if (selEdges > 0) {
+ GraphChange *change = [graph removeEdges:[pickSupport selectedEdges]];
+ [self registerUndoForChange:change];
+ [pickSupport deselectAllEdges];
+ [self postGraphChange:change];
+ } else {
+ actionName = (selNodes == 1 ? @"Remove node" : @"Remove nodes");
+ }
+ if (selNodes > 0) {
+ GraphChange *change = [graph removeNodes:[pickSupport selectedNodes]];
+ [self registerUndoForChange:change];
+ [pickSupport deselectAllNodes];
+ [self postGraphChange:change];
+ } else {
+ actionName = (selEdges == 1 ? @"Remove edge" : @"Remove edges");
+ }
+ [self nameAndEndUndoGroup:actionName];
+ [self regenerateTikz];
+}
+
+- (void) addNode:(Node*)node {
+ GraphChange *change = [graph addNode:node];
+ [self completedGraphChange:change withName:@"Add node"];
+}
+
+- (Node*) addNodeAt:(NSPoint)pos {
+ Node *node = [Node nodeWithPoint:pos];
+ [node setStyle:[styleManager activeNodeStyle]];
+ [self addNode:node];
+ return node;
+}
+
+- (void) removeNode:(Node*)node {
+ [pickSupport deselectNode:node];
+ GraphChange *change = [graph removeNode:node];
+ [self completedGraphChange:change withName:@"Remove node"];
+}
+
+- (void) addEdge:(Edge*)edge {
+ GraphChange *change = [graph addEdge:edge];
+ [self completedGraphChange:change withName:@"Add edge"];
+}
+
+- (void) removeEdge:(Edge*)edge {
+ [pickSupport deselectEdge:edge];
+ GraphChange *change = [graph removeEdge:edge];
+ [self completedGraphChange:change withName:@"Remove edge"];
+}
+
+- (Edge*) addEdgeFrom:(Node*)source to:(Node*)target {
+ Edge *edge = [Edge edgeWithSource:source andTarget:target];
+ [edge setStyle:[styleManager activeEdgeStyle]];
+ [self addEdge:edge];
+ return edge;
+}
+
+- (void) shiftSelectedNodesByPoint:(NSPoint)offset {
+ if ([[pickSupport selectedNodes] count] > 0) {
+ GraphChange *change = [graph shiftNodes:[pickSupport selectedNodes] byPoint:offset];
+ [self completedGraphChange:change withName:@"Move nodes"];
+ }
+}
+
+- (void) insertGraph:(Graph*)g {
+ GraphChange *change = [graph insertGraph:g];
+ [self completedGraphChange:change withName:@"Insert graph"];
+}
+
+- (void) flipSelectedNodesHorizontally {
+ if ([[pickSupport selectedNodes] count] > 0) {
+ GraphChange *change = [graph flipHorizontalNodes:[pickSupport selectedNodes]];
+ [self completedGraphChange:change withName:@"Flip nodes horizontally"];
+ }
+}
+
+- (void) flipSelectedNodesVertically {
+ if ([[pickSupport selectedNodes] count] > 0) {
+ GraphChange *change = [graph flipVerticalNodes:[pickSupport selectedNodes]];
+ [self completedGraphChange:change withName:@"Flip nodes vertically"];
+ }
+}
+
+- (BOOL) saveCopyToPath: (NSString*)p error: (NSError**)error {
+ if (!p) {
+ [NSException raise:@"No document path" format:@"No path given"];
+ }
+ // we use glib for writing the file, because GNUStep sucks in this regard
+ // (older versions don't have -[NSString writeToFile:atomically:encoding:error:])
+ GError *gerror = NULL;
+ gchar *filename = [p glibFilename];
+ BOOL success = g_file_set_contents (filename, [tikz UTF8String], -1, &gerror) ? YES : NO;
+ if (gerror) {
+ GErrorToNSError (gerror, error);
+ g_error_free (gerror);
+ }
+ g_free (filename);
+ return success;
+}
+
+- (BOOL) saveToPath: (NSString*)p error: (NSError**)error {
+ BOOL success = [self saveCopyToPath:p error:error];
+ if (success) {
+ [self setPath:p];
+ hasChanges = NO;
+ }
+ return success;
+}
+
+- (BOOL) save: (NSError**)error {
+ if (!path) {
+ [NSException raise:@"No document path" format:@"Tried to save a document when there was no path"];
+ }
+ return [self saveToPath:path error:error];
+}
+
+@end
+
+@implementation TikzDocument (Private)
+- (void) styleRenamed:(NSNotification*)n {
+ [self regenerateTikz];
+}
+
+- (void) setPath:(NSString*)p {
+ [p retain];
+ [path release];
+ path = p;
+}
+
+- (void) setGraph:(Graph*)g {
+ if (g == nil) {
+ g = [Graph graph];
+ }
+ if (g == graph) {
+ return;
+ }
+
+ [pickSupport deselectAllNodes];
+ [pickSupport deselectAllEdges];
+
+ [self startUndoGroup];
+ [undoManager registerUndoWithTarget:self selector:@selector(setGraph:) object:graph];
+ [g retain];
+ [graph release];
+ graph = g;
+
+ [self attachStylesToGraph:graph];
+
+ [self regenerateTikz];
+ [self postGraphReplaced];
+ [self nameAndEndUndoGroup:@"Replace graph"];
+}
+
+- (void) registerUndoForChange:(GraphChange*)change {
+ [undoManager registerUndoWithTarget:self
+ selector:@selector(undoGraphChange:)
+ object:change];
+}
+
+- (void) registerUndoGroupForChange:(GraphChange*)change withName:(NSString*)nm {
+ [self startUndoGroup];
+ [self registerUndoForChange:change];
+ [self nameAndEndUndoGroup:nm];
+}
+
+- (void) undoGraphChange:(GraphChange*)change {
+ GraphChange *inverse = [change invert];
+ [graph applyGraphChange:inverse];
+ [self startUndoGroup];
+ [undoManager registerUndoWithTarget:self
+ selector:@selector(undoGraphChange:)
+ object:inverse];
+ [self endUndoGroup];
+ [self regenerateTikz];
+ [self postGraphChange:change];
+}
+
+- (void) completedGraphChange:(GraphChange*)change withName:(NSString*)name {
+ [self registerUndoGroupForChange:change withName:name];
+ [self regenerateTikz];
+ [self postGraphChange:change];
+}
+
+- (void) attachStylesToGraph:(Graph*)g {
+ for (Node *n in [g nodes]) {
+ [n attachStyleFromTable:[styleManager nodeStyles]];
+ }
+}
+
+- (void) regenerateTikz {
+ [tikz release];
+ tikz = [[graph tikz] retain];
+ hasChanges = YES;
+ [self postTikzChanged];
+}
+@end
+
+// vim:ft=objc:sts=4:sw=4:et
diff --git a/tikzit/src/linux/WidgetSurface.h b/tikzit/src/linux/WidgetSurface.h
new file mode 100644
index 0000000..7a62660
--- /dev/null
+++ b/tikzit/src/linux/WidgetSurface.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+#import <Surface.h>
+
+/**
+ * Provides a surface for rendering to a widget.
+ */
+@interface WidgetSurface: NSObject <Surface> {
+ GtkWidget *widget;
+ Transformer *transformer;
+ id <RenderDelegate> renderDelegate;
+ id inputDelegate;
+ BOOL keepCentered;
+ BOOL grabsFocusOnClick;
+ CGFloat defaultScale;
+ NSSize lastKnownSize;
+}
+
+- (id) initWithWidget:(GtkWidget*)widget;
+- (GtkWidget*) widget;
+
+- (id) inputDelegate;
+- (void) setInputDelegate:(id)delegate;
+
+- (BOOL) keepCentered;
+- (void) setKeepCentered:(BOOL)centered;
+
+- (BOOL) grabsFocusOnClick;
+- (void) setGrabsFocusOnClick:(BOOL)focusOnClick;
+
+- (CGFloat) defaultScale;
+- (void) setDefaultScale:(CGFloat)scale;
+
+- (void) setSizeRequestWidth:(double)width height:(double)height;
+
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/WidgetSurface.m b/tikzit/src/linux/WidgetSurface.m
new file mode 100644
index 0000000..3538f72
--- /dev/null
+++ b/tikzit/src/linux/WidgetSurface.m
@@ -0,0 +1,539 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "WidgetSurface.h"
+#import "gtkhelpers.h"
+#import "InputDelegate.h"
+#import "CairoRenderContext.h"
+
+// {{{ Internal interfaces
+// {{{ GTK+ callbacks
+static gboolean configure_event_cb (GtkWidget *widget, GdkEventConfigure *event, WidgetSurface *surface);
+static void realize_cb (GtkWidget *widget, WidgetSurface *surface);
+static gboolean expose_event_cb (GtkWidget *widget, GdkEventExpose *event, WidgetSurface *surface);
+static gboolean button_press_event_cb (GtkWidget *widget, GdkEventButton *event, WidgetSurface *surface);
+static gboolean button_release_event_cb (GtkWidget *widget, GdkEventButton *event, WidgetSurface *surface);
+static gboolean motion_notify_event_cb (GtkWidget *widget, GdkEventMotion *event, WidgetSurface *surface);
+static gboolean key_press_event_cb (GtkWidget *widget, GdkEventKey *event, WidgetSurface *surface);
+static gboolean key_release_event_cb (GtkWidget *widget, GdkEventKey *event, WidgetSurface *surface);
+static gboolean scroll_event_cb (GtkWidget *widget, GdkEventScroll *event, WidgetSurface *surface);
+// }}}
+
+@interface WidgetSurface (Private)
+- (void) updateTransformer;
+- (void) widgetSizeChanged:(NSNotification*)notification;
+- (void) handleExposeEvent:(GdkEventExpose*)event;
+- (void) updateLastKnownSize;
+- (void) zoomTo:(CGFloat)scale aboutPoint:(NSPoint)p;
+- (void) zoomTo:(CGFloat)scale;
+@end
+// }}}
+// {{{ API
+@implementation WidgetSurface
+
+- (id) init {
+ return [self initWithWidget:gtk_drawing_area_new ()];
+}
+
+- (id) initWithWidget:(GtkWidget*)w {
+ self = [super init];
+
+ if (self) {
+ widget = w;
+ g_object_ref_sink (G_OBJECT (widget));
+ renderDelegate = nil;
+ inputDelegate = nil;
+ keepCentered = NO;
+ grabsFocusOnClick = NO;
+ defaultScale = 1.0f;
+ transformer = [[Transformer alloc] init];
+ [transformer setFlippedAboutXAxis:YES];
+ [self updateLastKnownSize];
+ g_object_set (G_OBJECT (widget), "events", GDK_STRUCTURE_MASK, NULL);
+ g_signal_connect (widget, "expose-event", G_CALLBACK (expose_event_cb), self);
+ g_signal_connect (widget, "configure-event", G_CALLBACK (configure_event_cb), self);
+ g_signal_connect (widget, "realize", G_CALLBACK (realize_cb), self);
+ g_signal_connect (widget, "button-press-event", G_CALLBACK (button_press_event_cb), self);
+ g_signal_connect (widget, "button-release-event", G_CALLBACK (button_release_event_cb), self);
+ g_signal_connect (widget, "motion-notify-event", G_CALLBACK (motion_notify_event_cb), self);
+ g_signal_connect (widget, "key-press-event", G_CALLBACK (key_press_event_cb), self);
+ g_signal_connect (widget, "key-release-event", G_CALLBACK (key_release_event_cb), self);
+ g_signal_connect (widget, "scroll-event", G_CALLBACK (scroll_event_cb), self);
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(widgetSizeChanged:)
+ name:@"SurfaceSizeChanged"
+ object:self];
+ }
+
+ return self;
+}
+
+- (void) invalidateRect:(NSRect)rect {
+ if (!NSIsEmptyRect (rect)) {
+ GdkWindow *window = gtk_widget_get_window (widget);
+ if (window) {
+ GdkRectangle g_rect = gdk_rectangle_from_ns_rect (rect);
+ gdk_window_invalidate_rect (window, &g_rect, TRUE);
+ }
+ }
+}
+
+- (void) invalidate {
+ GdkWindow *window = gtk_widget_get_window (widget);
+ if (window) {
+ GdkRegion *visible = gdk_drawable_get_visible_region (GDK_DRAWABLE (window));
+ gdk_window_invalidate_region (window, visible, TRUE);
+ gdk_region_destroy (visible);
+ }
+}
+
+- (id<RenderContext>) createRenderContext {
+ return [CairoRenderContext contextForWidget:widget];
+}
+
+- (int) width {
+ int width = 0;
+ GdkWindow *window = gtk_widget_get_window (widget);
+ if (window) {
+ gdk_drawable_get_size (window, &width, NULL);
+ }
+ return width;
+}
+
+- (int) height {
+ int height = 0;
+ GdkWindow *window = gtk_widget_get_window (widget);
+ if (window) {
+ gdk_drawable_get_size (window, NULL, &height);
+ }
+ return height;
+}
+
+- (void) setSizeRequestWidth:(double)width height:(double)height {
+ gtk_widget_set_size_request (widget, width, height);
+}
+
+- (Transformer*) transformer {
+ return transformer;
+}
+
+- (GtkWidget*) widget {
+ return widget;
+}
+
+- (void) addToEventMask:(GdkEventMask)value {
+ GdkEventMask mask;
+ g_object_get (G_OBJECT (widget), "events", &mask, NULL);
+ mask |= value;
+ g_object_set (G_OBJECT (widget), "events", mask, NULL);
+}
+
+- (void) removeFromEventMask:(GdkEventMask)value {
+ GdkEventMask mask;
+ g_object_get (G_OBJECT (widget), "events", &mask, NULL);
+ mask ^= value;
+ if (grabsFocusOnClick) {
+ mask |= GDK_BUTTON_PRESS_MASK;
+ }
+ g_object_set (G_OBJECT (widget), "events", mask, NULL);
+}
+
+- (void) setRenderDelegate:(id <RenderDelegate>)delegate {
+ // NB: no retention!
+ renderDelegate = delegate;
+ if (renderDelegate == nil) {
+ [self removeFromEventMask:GDK_EXPOSURE_MASK];
+ } else {
+ [self addToEventMask:GDK_EXPOSURE_MASK];
+ }
+}
+
+- (id) inputDelegate {
+ return inputDelegate;
+}
+
+- (void) setInputDelegate:(id)delegate {
+ if (delegate == inputDelegate) {
+ return;
+ }
+ if (inputDelegate != nil) {
+ [self removeFromEventMask:GDK_POINTER_MOTION_MASK
+ | GDK_BUTTON_PRESS_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_KEY_PRESS_MASK
+ | GDK_KEY_RELEASE_MASK];
+ }
+ inputDelegate = delegate;
+ if (delegate != nil) {
+ GdkEventMask mask = 0;
+ if ([delegate respondsToSelector:@selector(mousePressAt:withButton:andMask:)]) {
+ mask |= GDK_BUTTON_PRESS_MASK;
+ }
+ if ([delegate respondsToSelector:@selector(mouseReleaseAt:withButton:andMask:)]) {
+ mask |= GDK_BUTTON_RELEASE_MASK;
+ }
+ if ([delegate respondsToSelector:@selector(mouseDoubleClickAt:withButton:andMask:)]) {
+ mask |= GDK_BUTTON_PRESS_MASK;
+ }
+ if ([delegate respondsToSelector:@selector(mouseMoveTo:withButtons:andMask:)]) {
+ mask |= GDK_POINTER_MOTION_MASK;
+ }
+ if ([delegate respondsToSelector:@selector(keyPressed:withMask:)]) {
+ mask |= GDK_KEY_PRESS_MASK;
+ }
+ if ([delegate respondsToSelector:@selector(keyReleased:withMask:)]) {
+ mask |= GDK_KEY_RELEASE_MASK;
+ }
+ [self addToEventMask:mask];
+ }
+}
+
+- (id <RenderDelegate>) renderDelegate {
+ return renderDelegate;
+}
+
+- (void) setKeepCentered:(BOOL)centered {
+ keepCentered = centered;
+ [self updateTransformer];
+}
+
+- (BOOL) keepCentered {
+ return keepCentered;
+}
+
+- (BOOL) grabsFocusOnClick {
+ return grabsFocusOnClick;
+}
+
+- (void) setGrabsFocusOnClick:(BOOL)focus {
+ if (grabsFocusOnClick != focus) {
+ grabsFocusOnClick = focus;
+ if (grabsFocusOnClick) {
+ [self addToEventMask:GDK_BUTTON_PRESS_MASK];
+ } else {
+ [self removeFromEventMask:GDK_BUTTON_PRESS_MASK];
+ }
+ }
+}
+
+- (CGFloat) defaultScale {
+ return defaultScale;
+}
+
+- (void) setDefaultScale:(CGFloat)newDefault {
+ if (defaultScale != newDefault) {
+ CGFloat oldDefault = defaultScale;
+ defaultScale = newDefault;
+
+ CGFloat scale = [transformer scale];
+ scale *= (newDefault / oldDefault);
+ [transformer setScale:scale];
+ [self invalidate];
+ }
+}
+
+- (void) zoomIn {
+ CGFloat scale = [transformer scale];
+ scale *= 1.2f;
+ [self zoomTo:scale];
+}
+
+- (void) zoomOut {
+ CGFloat scale = [transformer scale];
+ scale /= 1.2f;
+ [self zoomTo:scale];
+}
+
+- (void) zoomReset {
+ [self zoomTo:defaultScale];
+}
+
+- (void) zoomInAboutPoint:(NSPoint)p {
+ CGFloat scale = [transformer scale];
+ scale *= 1.2f;
+ [self zoomTo:scale aboutPoint:p];
+}
+
+- (void) zoomOutAboutPoint:(NSPoint)p {
+ CGFloat scale = [transformer scale];
+ scale /= 1.2f;
+ [self zoomTo:scale aboutPoint:p];
+}
+
+- (void) zoomResetAboutPoint:(NSPoint)p {
+ [self zoomTo:defaultScale aboutPoint:p];
+}
+
+- (void) dealloc {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+ [transformer release];
+ g_object_unref (G_OBJECT (widget));
+
+ [super dealloc];
+}
+
+@end
+// }}}
+// {{{ Private
+@implementation WidgetSurface (Private)
+- (void) widgetSizeChanged:(NSNotification*)notification {
+ [self updateTransformer];
+ [self updateLastKnownSize];
+}
+
+- (void) updateTransformer {
+ if (keepCentered) {
+ GdkWindow *window = gtk_widget_get_window (widget);
+ if (window) {
+ int width = 0;
+ int height = 0;
+ gdk_drawable_get_size (window, &width, &height);
+ NSPoint origin;
+ if (lastKnownSize.width < 1 || lastKnownSize.height < 1) {
+ origin.x = (float)width / 2.0f;
+ origin.y = (float)height / 2.0f;
+ } else {
+ origin = [transformer origin];
+ origin.x += ((float)width - lastKnownSize.width) / 2.0f;
+ origin.y += ((float)height - lastKnownSize.height) / 2.0f;
+ }
+ [transformer setOrigin:origin];
+ }
+ }
+}
+
+- (void) handleExposeEvent:(GdkEventExpose*)event {
+ if (renderDelegate != nil) {
+ NSRect area = gdk_rectangle_to_ns_rect (event->area);
+
+ id<RenderContext> context = [CairoRenderContext contextForWidget:widget];
+ [context rect:area];
+ [context clipToPath];
+ [renderDelegate renderWithContext:context onSurface:self];
+ }
+}
+
+- (void) updateLastKnownSize {
+ GdkWindow *window = gtk_widget_get_window (widget);
+ if (window) {
+ int width = 0;
+ int height = 0;
+ gdk_drawable_get_size (window, &width, &height);
+ lastKnownSize.width = (float)width;
+ lastKnownSize.height = (float)height;
+ } else {
+ lastKnownSize = NSZeroSize;
+ }
+}
+
+- (void) zoomTo:(CGFloat)scale aboutPoint:(NSPoint)p {
+ NSPoint graphP = [transformer fromScreen:p];
+
+ [transformer setScale:scale];
+
+ NSPoint newP = [transformer toScreen:graphP];
+ NSPoint origin = [transformer origin];
+ origin.x += p.x - newP.x;
+ origin.y += p.y - newP.y;
+ [transformer setOrigin:origin];
+
+ [self invalidate];
+}
+
+- (void) zoomTo:(CGFloat)scale {
+ NSPoint centre = NSMakePoint (lastKnownSize.width/2.0f, lastKnownSize.height/2.0f);
+ [self zoomTo:scale aboutPoint:centre];
+}
+
+@end
+// }}}
+// {{{ GTK+ callbacks
+static gboolean configure_event_cb(GtkWidget *widget, GdkEventConfigure *event, WidgetSurface *surface) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"SurfaceSizeChanged" object:surface];
+ [pool drain];
+ return FALSE;
+}
+
+static void realize_cb (GtkWidget *widget, WidgetSurface *surface) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [surface updateTransformer];
+ [pool drain];
+}
+
+static gboolean expose_event_cb(GtkWidget *widget, GdkEventExpose *event, WidgetSurface *surface) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [surface handleExposeEvent:event];
+ [pool drain];
+ return FALSE;
+}
+
+InputMask mask_from_gdk_modifier_state (GdkModifierType state) {
+ InputMask mask = 0;
+ if (state & GDK_SHIFT_MASK) {
+ mask |= ShiftMask;
+ }
+ if (state & GDK_CONTROL_MASK) {
+ mask |= ControlMask;
+ }
+ if (state & GDK_META_MASK) {
+ mask |= MetaMask;
+ }
+ return mask;
+}
+
+ScrollDirection scroll_dir_from_gdk_scroll_dir (GdkScrollDirection dir) {
+ switch (dir) {
+ case GDK_SCROLL_UP: return ScrollUp;
+ case GDK_SCROLL_DOWN: return ScrollDown;
+ case GDK_SCROLL_LEFT: return ScrollLeft;
+ case GDK_SCROLL_RIGHT: return ScrollRight;
+ default: NSLog(@"Invalid scroll direction %i", (int)dir); return ScrollDown;
+ }
+}
+
+MouseButton buttons_from_gdk_modifier_state (GdkModifierType state) {
+ MouseButton buttons = 0;
+ if (state & GDK_BUTTON1_MASK) {
+ buttons |= LeftButton;
+ }
+ if (state & GDK_BUTTON2_MASK) {
+ buttons |= MiddleButton;
+ }
+ if (state & GDK_BUTTON3_MASK) {
+ buttons |= RightButton;
+ }
+ if (state & GDK_BUTTON4_MASK) {
+ buttons |= Button4;
+ }
+ if (state & GDK_BUTTON5_MASK) {
+ buttons |= Button5;
+ }
+ return buttons;
+}
+
+static gboolean button_press_event_cb(GtkWidget *widget, GdkEventButton *event, WidgetSurface *surface) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ if ([surface grabsFocusOnClick]) {
+ if (!GTK_WIDGET_HAS_FOCUS (widget)) {
+ gtk_widget_grab_focus (widget);
+ }
+ }
+
+ id delegate = [surface inputDelegate];
+ if (delegate != nil) {
+ NSPoint pos = NSMakePoint (event->x, event->y);
+ MouseButton button = (MouseButton)event->button;
+ InputMask mask = mask_from_gdk_modifier_state (event->state);
+ if (event->type == GDK_BUTTON_PRESS && [delegate respondsToSelector:@selector(mousePressAt:withButton:andMask:)]) {
+ [delegate mousePressAt:pos withButton:button andMask:mask];
+ }
+ if (event->type == GDK_2BUTTON_PRESS && [delegate respondsToSelector:@selector(mouseDoubleClickAt:withButton:andMask:)]) {
+ [delegate mouseDoubleClickAt:pos withButton:button andMask:mask];
+ }
+ }
+
+ [pool drain];
+ return FALSE;
+}
+
+static gboolean button_release_event_cb(GtkWidget *widget, GdkEventButton *event, WidgetSurface *surface) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ id delegate = [surface inputDelegate];
+ if (delegate != nil) {
+ if ([delegate respondsToSelector:@selector(mouseReleaseAt:withButton:andMask:)]) {
+ NSPoint pos = NSMakePoint (event->x, event->y);
+ MouseButton button = (MouseButton)event->button;
+ InputMask mask = mask_from_gdk_modifier_state (event->state);
+ [delegate mouseReleaseAt:pos withButton:button andMask:mask];
+ }
+ }
+
+ [pool drain];
+ return FALSE;
+}
+
+static gboolean motion_notify_event_cb(GtkWidget *widget, GdkEventMotion *event, WidgetSurface *surface) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ id delegate = [surface inputDelegate];
+ if (delegate != nil) {
+ if ([delegate respondsToSelector:@selector(mouseMoveTo:withButtons:andMask:)]) {
+ NSPoint pos = NSMakePoint (event->x, event->y);
+ MouseButton buttons = buttons_from_gdk_modifier_state (event->state);
+ InputMask mask = mask_from_gdk_modifier_state (event->state);
+ [delegate mouseMoveTo:pos withButtons:buttons andMask:mask];
+ }
+ }
+
+ [pool drain];
+ return FALSE;
+}
+
+static gboolean key_press_event_cb(GtkWidget *widget, GdkEventKey *event, WidgetSurface *surface) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ id delegate = [surface inputDelegate];
+ if (delegate != nil) {
+ if ([delegate respondsToSelector:@selector(keyPressed:withMask:)]) {
+ InputMask mask = mask_from_gdk_modifier_state (event->state);
+ [delegate keyPressed:event->keyval withMask:mask];
+ }
+ }
+
+ [pool drain];
+ return FALSE;
+}
+
+static gboolean key_release_event_cb(GtkWidget *widget, GdkEventKey *event, WidgetSurface *surface) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ id delegate = [surface inputDelegate];
+ if (delegate != nil) {
+ if ([delegate respondsToSelector:@selector(keyReleased:withMask:)]) {
+ InputMask mask = mask_from_gdk_modifier_state (event->state);
+ [delegate keyReleased:event->keyval withMask:mask];
+ }
+ }
+
+ [pool drain];
+ return FALSE;
+}
+
+static gboolean scroll_event_cb (GtkWidget *widget, GdkEventScroll *event, WidgetSurface *surface) {
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ id delegate = [surface inputDelegate];
+ if (delegate != nil) {
+ if ([delegate respondsToSelector:@selector(mouseScrolledAt:inDirection:withMask:)]) {
+ NSPoint pos = NSMakePoint (event->x, event->y);
+ InputMask mask = mask_from_gdk_modifier_state (event->state);
+ ScrollDirection dir = scroll_dir_from_gdk_scroll_dir (event->direction);
+ [delegate mouseScrolledAt:pos
+ inDirection:dir
+ withMask:mask];
+ }
+ }
+
+ [pool drain];
+ return FALSE;
+}
+// }}}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/cairo_helpers.h b/tikzit/src/linux/cairo_helpers.h
new file mode 100644
index 0000000..e95357b
--- /dev/null
+++ b/tikzit/src/linux/cairo_helpers.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import "RColor.h"
+#import <cairo/cairo.h>
+
+void cairo_ns_rectangle (cairo_t* cr, NSRect rect);
+void cairo_set_source_rcolor (cairo_t* cr, RColor color);
+
+// vim:ft=objc:sts=4:sw=4:et
diff --git a/tikzit/src/linux/cairo_helpers.m b/tikzit/src/linux/cairo_helpers.m
new file mode 100644
index 0000000..104e686
--- /dev/null
+++ b/tikzit/src/linux/cairo_helpers.m
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "cairo_helpers.h"
+
+void cairo_ns_rectangle (cairo_t* cr, NSRect rect) {
+ cairo_rectangle (cr, rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
+}
+
+void cairo_set_source_rcolor (cairo_t* cr, RColor color) {
+ cairo_set_source_rgba (cr, color.red, color.green, color.blue, color.alpha);
+}
+
+// vim:ft=objc:sts=4:sw=4:et
diff --git a/tikzit/src/linux/clipboard.h b/tikzit/src/linux/clipboard.h
new file mode 100644
index 0000000..568fc50
--- /dev/null
+++ b/tikzit/src/linux/clipboard.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+#import <Graph.h>
+
+enum {
+ TARGET_UTF8_STRING,
+ TARGET_TIKZIT_PICTURE
+};
+typedef struct
+{
+ Graph *graph;
+ gchar *tikz;
+ gint tikz_length;
+} ClipboardGraphData;
+
+extern GdkAtom utf8_atom;
+extern GdkAtom tikzit_picture_atom;
+
+void clipboard_init ();
+ClipboardGraphData *clipboard_graph_data_new (Graph *graph);
+void clipboard_graph_data_free (ClipboardGraphData *data);
+void clipboard_graph_data_convert (ClipboardGraphData *data);
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/clipboard.m b/tikzit/src/linux/clipboard.m
new file mode 100644
index 0000000..7001717
--- /dev/null
+++ b/tikzit/src/linux/clipboard.m
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2011 Alex Merry <dev@randomguy3.me.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "clipboard.h"
+
+GdkAtom utf8_atom;
+GdkAtom tikzit_picture_atom;
+
+void clipboard_init () {
+ if (utf8_atom == GDK_NONE) {
+ utf8_atom = gdk_atom_intern ("UTF8_STRING", FALSE);
+ }
+ if (tikzit_picture_atom == GDK_NONE) {
+ tikzit_picture_atom = gdk_atom_intern ("TIKZITPICTURE", FALSE);
+ }
+}
+
+ClipboardGraphData *clipboard_graph_data_new (Graph *graph) {
+ ClipboardGraphData *data = g_new (ClipboardGraphData, 1);
+ data->graph = [graph retain];
+ data->tikz = NULL;
+ data->tikz_length = 0;
+ return data;
+}
+
+void clipboard_graph_data_free (ClipboardGraphData *data) {
+ [data->graph release];
+ if (data->tikz) {
+ g_free (data->tikz);
+ }
+ g_free (data);
+}
+
+void clipboard_graph_data_convert (ClipboardGraphData *data) {
+ if (data->graph != nil && !data->tikz) {
+ data->tikz = g_strdup ([[data->graph tikz] UTF8String]);
+ data->tikz_length = strlen (data->tikz);
+ [data->graph release];
+ data->graph = nil;
+ }
+}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4:foldmethod=marker
diff --git a/tikzit/src/linux/gtkhelpers.h b/tikzit/src/linux/gtkhelpers.h
new file mode 100644
index 0000000..418d234
--- /dev/null
+++ b/tikzit/src/linux/gtkhelpers.h
@@ -0,0 +1,49 @@
+//
+// gtkhelpers.h
+// TikZiT
+//
+// Copyright 2010 Alex Merry. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import "TZFoundation.h"
+#include <gtk/gtk.h>
+
+void gtk_table_adjust_attach (GtkTable *table,
+ GtkWidget *widget,
+ gint left_adjust,
+ gint right_adjust,
+ gint top_adjust,
+ gint bottom_adjust);
+void gtk_table_delete_row (GtkTable *table, guint row);
+void gtk_table_delete_rows (GtkTable *table, guint firstRow, guint count);
+
+NSString * gtk_editable_get_string (GtkEditable *editable, gint start, gint end);
+
+void gtk_entry_set_string (GtkEntry *entry, NSString *string);
+NSString * gtk_entry_get_string (GtkEntry *entry);
+
+GdkRectangle gdk_rectangle_from_ns_rect (NSRect rect);
+NSRect gdk_rectangle_to_ns_rect (GdkRectangle rect);
+
+void gtk_action_set_detailed_label (GtkAction *action, const gchar *baseLabel, const gchar *actionName);
+
+gint tz_hijack_key_press (GtkWindow *win,
+ GdkEventKey *event,
+ gpointer user_data);
+
+// vim:ft=objc:sts=2:sw=2:et
diff --git a/tikzit/src/linux/gtkhelpers.m b/tikzit/src/linux/gtkhelpers.m
new file mode 100644
index 0000000..164228c
--- /dev/null
+++ b/tikzit/src/linux/gtkhelpers.m
@@ -0,0 +1,244 @@
+//
+// gtkhelpers.h
+// TikZiT
+//
+// Copyright 2010 Alex Merry. All rights reserved.
+//
+// Some code from Glade:
+// Copyright 2001 Ximian, Inc.
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import "gtkhelpers.h"
+#import <gdk/gdkkeysyms.h>
+
+void gtk_table_adjust_attach (GtkTable *table,
+ GtkWidget *widget,
+ gint left_adjust,
+ gint right_adjust,
+ gint top_adjust,
+ gint bottom_adjust) {
+ guint top_attach;
+ guint bottom_attach;
+ guint left_attach;
+ guint right_attach;
+ GtkAttachOptions xoptions;
+ GtkAttachOptions yoptions;
+ guint xpadding;
+ guint ypadding;
+
+ gtk_container_child_get (GTK_CONTAINER (table), widget,
+ "top-attach", &top_attach,
+ "bottom-attach", &bottom_attach,
+ "left-attach", &left_attach,
+ "right-attach", &right_attach,
+ "x-options", &xoptions,
+ "y-options", &yoptions,
+ "x-padding", &xpadding,
+ "y-padding", &ypadding,
+ NULL);
+
+ g_object_ref (G_OBJECT (widget));
+ gtk_container_remove (GTK_CONTAINER (table), widget);
+ gtk_table_attach (table, widget,
+ left_attach + left_adjust,
+ right_attach + right_adjust,
+ top_attach + top_adjust,
+ bottom_attach + bottom_adjust,
+ xoptions,
+ yoptions,
+ xpadding,
+ ypadding);
+ g_object_unref (G_OBJECT (widget));
+}
+
+/*
+ * Delete multiple table rows
+ */
+void gtk_table_delete_rows (GtkTable *table, guint firstRow, guint count) {
+ if (count == 0) {
+ return;
+ }
+ GtkContainer *tableC = GTK_CONTAINER (table);
+
+ guint n_columns;
+ guint n_rows;
+ g_object_get (G_OBJECT (table),
+ "n-columns", &n_columns,
+ "n-rows", &n_rows,
+ NULL);
+ guint topBound = firstRow;
+ guint bottomBound = firstRow + count;
+ if (bottomBound > n_rows) {
+ bottomBound = n_rows;
+ count = bottomBound - topBound;
+ }
+
+ GList *toBeDeleted = NULL;
+ GList *toBeShrunk = NULL;
+ /* indexed by top-attach */
+ GPtrArray *toBeMoved = g_ptr_array_sized_new (n_rows - topBound);
+ g_ptr_array_set_size (toBeMoved, n_rows - topBound);
+
+ GList *childIt = gtk_container_get_children (tableC);
+
+ while (childIt) {
+ GtkWidget *widget = GTK_WIDGET (childIt->data);
+ guint top_attach;
+ guint bottom_attach;
+ gtk_container_child_get (tableC, widget,
+ "top-attach", &top_attach,
+ "bottom-attach", &bottom_attach,
+ NULL);
+ if (top_attach >= topBound && bottom_attach <= bottomBound) {
+ toBeDeleted = g_list_prepend (toBeDeleted, widget);
+ } else if (top_attach <= topBound && bottom_attach > topBound) {
+ toBeShrunk = g_list_prepend (toBeShrunk, widget);
+ } else if (top_attach > topBound) {
+ GList *rowList = (GList*)g_ptr_array_index (toBeMoved, top_attach - topBound);
+ rowList = g_list_prepend (rowList, widget);
+ g_ptr_array_index (toBeMoved, top_attach - topBound) = rowList;
+ }
+ childIt = childIt->next;
+ }
+ g_list_free (childIt);
+
+ /* remove anything that is completely within the segment being deleted */
+ while (toBeDeleted) {
+ gtk_container_remove (tableC, GTK_WIDGET (toBeDeleted->data));
+ toBeDeleted = toBeDeleted->next;
+ }
+ g_list_free (toBeDeleted);
+
+ /* shrink anything that spans the segment */
+ while (toBeShrunk) {
+ GtkWidget *widget = GTK_WIDGET (toBeShrunk->data);
+ gtk_table_adjust_attach (table, widget, 0, 0, 0, -count);
+ toBeShrunk = toBeShrunk->next;
+ }
+ g_list_free (toBeShrunk);
+
+ /* move everything below the segment being deleted up, in order */
+ /* note that "n-rows" is not a valid "top-attach" */
+ for (int offset = 0; offset < (n_rows - 1) - topBound; ++offset) {
+ GList *rowList = (GList *)g_ptr_array_index (toBeMoved, offset);
+ guint top_attach = offset + topBound;
+ guint overlap = bottomBound - top_attach;
+ while (rowList) {
+ GtkWidget *widget = GTK_WIDGET (rowList->data);
+ gtk_table_adjust_attach (table, widget, 0, 0, -offset, -(offset + overlap));
+ rowList = rowList->next;
+ }
+ g_list_free (rowList);
+ g_ptr_array_index (toBeMoved, offset) = NULL;
+ }
+
+ gtk_table_resize (table, n_rows - 1, n_columns);
+}
+
+/*
+ * Delete a table row
+ */
+void gtk_table_delete_row (GtkTable *table, guint row) {
+ gtk_table_delete_rows (table, row, 1);
+}
+
+NSString * gtk_editable_get_string (GtkEditable *editable, gint start, gint end)
+{
+ gchar *text = gtk_editable_get_chars (editable, start, end);
+ NSString *string = [NSString stringWithUTF8String:text];
+ g_free (text);
+ return string;
+}
+
+void gtk_entry_set_string (GtkEntry *entry, NSString *string)
+{
+ gtk_entry_set_text (entry, string == nil ? "" : [string UTF8String]);
+}
+
+NSString * gtk_entry_get_string (GtkEntry *entry)
+{
+ return [NSString stringWithUTF8String:gtk_entry_get_text (entry)];
+}
+
+GdkRectangle gdk_rectangle_from_ns_rect (NSRect box) {
+ GdkRectangle rect;
+ rect.x = box.origin.x;
+ rect.y = box.origin.y;
+ rect.width = box.size.width;
+ rect.height = box.size.height;
+ return rect;
+}
+
+NSRect gdk_rectangle_to_ns_rect (GdkRectangle rect) {
+ NSRect result;
+ result.origin.x = rect.x;
+ result.origin.y = rect.y;
+ result.size.width = rect.width;
+ result.size.height = rect.height;
+ return result;
+}
+
+void gtk_action_set_detailed_label (GtkAction *action, const gchar *baseLabel, const gchar *actionName) {
+ if (actionName == NULL || *actionName == '\0') {
+ gtk_action_set_label (action, baseLabel);
+ } else {
+ GString *label = g_string_sized_new (30);
+ g_string_printf(label, "%s: %s", baseLabel, actionName);
+ gtk_action_set_label (action, label->str);
+ g_string_free (label, TRUE);
+ }
+}
+
+/**
+ * tz_hijack_key_press:
+ * @win: a #GtkWindow
+ * event: the GdkEventKey
+ * user_data: unused
+ *
+ * This function is meant to be attached to key-press-event of a toplevel,
+ * it simply allows the window contents to treat key events /before/
+ * accelerator keys come into play (this way widgets dont get deleted
+ * when cutting text in an entry etc.).
+ * Creates a liststore suitable for comboboxes and such to
+ * chose from a variety of types.
+ *
+ * Returns: whether the event was handled
+ */
+gint
+tz_hijack_key_press (GtkWindow *win,
+ GdkEventKey *event,
+ gpointer user_data)
+{
+ GtkWidget *focus_widget;
+
+ focus_widget = gtk_window_get_focus (win);
+ if (focus_widget &&
+ (event->keyval == GDK_Delete || /* Filter Delete from accelerator keys */
+ ((event->state & GDK_CONTROL_MASK) && /* CTRL keys... */
+ ((event->keyval == GDK_c || event->keyval == GDK_C) || /* CTRL-C (copy) */
+ (event->keyval == GDK_x || event->keyval == GDK_X) || /* CTRL-X (cut) */
+ (event->keyval == GDK_v || event->keyval == GDK_V) || /* CTRL-V (paste) */
+ (event->keyval == GDK_a || event->keyval == GDK_A) || /* CTRL-A (select-all) */
+ (event->keyval == GDK_n || event->keyval == GDK_N))))) /* CTRL-N (new document) ?? */
+ {
+ return gtk_widget_event (focus_widget,
+ (GdkEvent *)event);
+ }
+ return FALSE;
+}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/logo.h b/tikzit/src/linux/logo.h
new file mode 100644
index 0000000..48a70ba
--- /dev/null
+++ b/tikzit/src/linux/logo.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2012 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+typedef enum {
+ LOGO_SIZE_16,
+ LOGO_SIZE_24,
+ //LOGO_SIZE_32,
+ LOGO_SIZE_48,
+ LOGO_SIZE_64,
+ LOGO_SIZE_128,
+ LOGO_SIZE_COUNT
+} LogoSize;
+
+GdkPixbuf *get_logo (LogoSize size);
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
diff --git a/tikzit/src/linux/logo.m b/tikzit/src/linux/logo.m
new file mode 100644
index 0000000..1bf006d
--- /dev/null
+++ b/tikzit/src/linux/logo.m
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2012 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "logo.h"
+#include <gdk-pixbuf/gdk-pixdata.h>
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpointer-sign"
+#import "logodata.m"
+#pragma GCC diagnostic pop
+
+static GdkPixbuf *pixbufCache[LOGO_SIZE_COUNT];
+
+GdkPixbuf *get_logo (LogoSize size) {
+ const GdkPixdata *data = NULL;
+ switch (size) {
+ case LOGO_SIZE_16:
+ data = &logo16;
+ break;
+ case LOGO_SIZE_24:
+ data = &logo24;
+ break;
+/* case LOGO_SIZE_32:
+ data = &logo32;
+ break;
+*/
+ case LOGO_SIZE_48:
+ data = &logo48;
+ break;
+ case LOGO_SIZE_64:
+ data = &logo64;
+ break;
+ case LOGO_SIZE_128:
+ data = &logo128;
+ break;
+ default:
+ return NULL;
+ };
+ if (pixbufCache[size]) {
+ g_object_ref (pixbufCache[size]);
+ return pixbufCache[size];
+ } else {
+ GdkPixbuf *buf = gdk_pixbuf_from_pixdata (data, FALSE, NULL);
+ pixbufCache[size] = buf;
+ g_object_add_weak_pointer (G_OBJECT (buf), (void**)(&(pixbufCache[size])));
+ return buf;
+ }
+}
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
+
diff --git a/tikzit/src/linux/main.m b/tikzit/src/linux/main.m
new file mode 100644
index 0000000..f28123c
--- /dev/null
+++ b/tikzit/src/linux/main.m
@@ -0,0 +1,75 @@
+//
+// main.m
+// TikZiT
+//
+// Copyright 2010 Chris Heunen. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "TZFoundation.h"
+#import <gtk/gtk.h>
+#import "clipboard.h"
+#import "logo.h"
+
+#import "MainWindow.h"
+#import "TikzGraphAssembler.h"
+
+void onUncaughtException(NSException* exception)
+{
+ NSLog(@"uncaught exception: %@", [exception description]);
+}
+
+int main (int argc, char *argv[]) {
+ NSSetUncaughtExceptionHandler(&onUncaughtException);
+
+ [[NSAutoreleasePool alloc] init];
+
+ gtk_init (&argc, &argv);
+
+ NSAutoreleasePool *initPool = [[NSAutoreleasePool alloc] init];
+
+#ifndef WINDOWS
+ GList *icon_list = NULL;
+ g_list_prepend (icon_list, get_logo(LOGO_SIZE_128));
+ g_list_prepend (icon_list, get_logo(LOGO_SIZE_64));
+ g_list_prepend (icon_list, get_logo(LOGO_SIZE_48));
+ //g_list_prepend (icon_list, get_logo(LOGO_SIZE_32));
+ g_list_prepend (icon_list, get_logo(LOGO_SIZE_24));
+ g_list_prepend (icon_list, get_logo(LOGO_SIZE_16));
+ gtk_window_set_default_icon_list (icon_list);
+ GList *list_head = icon_list;
+ while (list_head) {
+ g_object_unref ((GObject*)list_head->data);
+ list_head = list_head->next;
+ }
+#endif
+
+ clipboard_init();
+ [TikzGraphAssembler setup];
+ MainWindow *window = [[MainWindow alloc] init];
+
+ [initPool drain];
+
+ gtk_main ();
+
+ [window saveConfiguration];
+
+ return 0;
+}
+
+// vim:ft=objc:et:sts=4:sw=4
diff --git a/tikzit/src/linux/mkdtemp.h b/tikzit/src/linux/mkdtemp.h
new file mode 100644
index 0000000..65ee99e
--- /dev/null
+++ b/tikzit/src/linux/mkdtemp.h
@@ -0,0 +1,32 @@
+/* Creating a private temporary directory.
+ Copyright (C) 2001-2002 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#if HAVE_MKDTEMP
+
+/* Get mkdtemp() declaration. */
+#include <stdlib.h>
+
+#else
+
+/* Create a unique temporary directory from TEMPLATE.
+ The last six characters of TEMPLATE must be "XXXXXX";
+ they are replaced with a string that makes the directory name unique.
+ Returns TEMPLATE, or a null pointer if it cannot get a unique name.
+ The directory is created mode 700. */
+extern char * mkdtemp (char *template);
+
+#endif
diff --git a/tikzit/src/linux/mkdtemp.m b/tikzit/src/linux/mkdtemp.m
new file mode 100644
index 0000000..0866e54
--- /dev/null
+++ b/tikzit/src/linux/mkdtemp.m
@@ -0,0 +1,204 @@
+/* Copyright (C) 1999, 2001-2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Extracted from misc/mkdtemp.c and sysdeps/posix/tempname.c. */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+/* Specification. */
+#include "mkdtemp.h"
+
+#include <errno.h>
+#ifndef __set_errno
+# define __set_errno(Val) errno = (Val)
+#endif
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <stdio.h>
+#ifndef TMP_MAX
+# define TMP_MAX 238328
+#endif
+
+#if HAVE_STDINT_H || _LIBC
+# include <stdint.h>
+#endif
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+
+#if HAVE_UNISTD_H || _LIBC
+# include <unistd.h>
+#endif
+
+#if HAVE_GETTIMEOFDAY || _LIBC
+# if HAVE_SYS_TIME_H || _LIBC
+# include <sys/time.h>
+# endif
+#else
+# if HAVE_TIME_H || _LIBC
+# include <time.h>
+# endif
+#endif
+
+#include <sys/stat.h>
+#if STAT_MACROS_BROKEN
+# undef S_ISDIR
+#endif
+#if !defined S_ISDIR && defined S_IFDIR
+# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
+#endif
+#if !S_IRUSR && S_IREAD
+# define S_IRUSR S_IREAD
+#endif
+#if !S_IRUSR
+# define S_IRUSR 00400
+#endif
+#if !S_IWUSR && S_IWRITE
+# define S_IWUSR S_IWRITE
+#endif
+#if !S_IWUSR
+# define S_IWUSR 00200
+#endif
+#if !S_IXUSR && S_IEXEC
+# define S_IXUSR S_IEXEC
+#endif
+#if !S_IXUSR
+# define S_IXUSR 00100
+#endif
+
+#ifdef __MINGW32__
+/* mingw's mkdir() function has 1 argument, but we pass 2 arguments.
+ Therefore we have to disable the argument count checking. */
+# define mkdir ((int (*)()) mkdir)
+#endif
+
+#if !_LIBC
+# define __getpid getpid
+# define __gettimeofday gettimeofday
+# define __mkdir mkdir
+#endif
+
+/* Use the widest available unsigned type if uint64_t is not
+ available. The algorithm below extracts a number less than 62**6
+ (approximately 2**35.725) from uint64_t, so ancient hosts where
+ uintmax_t is only 32 bits lose about 3.725 bits of randomness,
+ which is better than not having mkstemp at all. */
+#if !defined UINT64_MAX && !defined uint64_t
+# define uint64_t uintmax_t
+#endif
+
+/* These are the characters used in temporary filenames. */
+static const char letters[] =
+"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+
+/* Generate a temporary file name based on TMPL. TMPL must match the
+ rules for mk[s]temp (i.e. end in "XXXXXX"). The name constructed
+ does not exist at the time of the call to __gen_tempname. TMPL is
+ overwritten with the result.
+
+ KIND is:
+ __GT_DIR: create a directory, which will be mode 0700.
+
+ We use a clever algorithm to get hard-to-predict names. */
+static int
+gen_tempname (char *tmpl)
+{
+ int len;
+ char *XXXXXX;
+ static uint64_t value;
+ uint64_t random_time_bits;
+ int count, fd = -1;
+ int save_errno = errno;
+
+ len = strlen (tmpl);
+ if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ /* This is where the Xs start. */
+ XXXXXX = &tmpl[len - 6];
+
+ /* Get some more or less random data. */
+#ifdef RANDOM_BITS
+ RANDOM_BITS (random_time_bits);
+#else
+# if HAVE_GETTIMEOFDAY || _LIBC
+ {
+ struct timeval tv;
+ __gettimeofday (&tv, NULL);
+ random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
+ }
+# else
+ random_time_bits = time (NULL);
+# endif
+#endif
+ value += random_time_bits ^ __getpid ();
+
+ for (count = 0; count < TMP_MAX; value += 7777, ++count)
+ {
+ uint64_t v = value;
+
+ /* Fill in the random bits. */
+ XXXXXX[0] = letters[v % 62];
+ v /= 62;
+ XXXXXX[1] = letters[v % 62];
+ v /= 62;
+ XXXXXX[2] = letters[v % 62];
+ v /= 62;
+ XXXXXX[3] = letters[v % 62];
+ v /= 62;
+ XXXXXX[4] = letters[v % 62];
+ v /= 62;
+ XXXXXX[5] = letters[v % 62];
+
+ fd = __mkdir (tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
+
+ if (fd >= 0)
+ {
+ __set_errno (save_errno);
+ return fd;
+ }
+ else if (errno != EEXIST)
+ return -1;
+ }
+
+ /* We got out of the loop because we ran out of combinations to try. */
+ __set_errno (EEXIST);
+ return -1;
+}
+
+/* Generate a unique temporary directory from TEMPLATE.
+ The last six characters of TEMPLATE must be "XXXXXX";
+ they are replaced with a string that makes the filename unique.
+ The directory is created, mode 700, and its name is returned.
+ (This function comes from OpenBSD.) */
+char *
+mkdtemp (char *template)
+{
+ if (gen_tempname (template))
+ return NULL;
+ else
+ return template;
+}
diff --git a/tikzit/src/linux/test/linux.m b/tikzit/src/linux/test/linux.m
new file mode 100644
index 0000000..ade0867
--- /dev/null
+++ b/tikzit/src/linux/test/linux.m
@@ -0,0 +1,27 @@
+//
+// linux.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import "test/test.h"
+
+void testLinux() {
+
+}
diff --git a/tikzit/src/linux/test/main.m b/tikzit/src/linux/test/main.m
new file mode 100644
index 0000000..639a335
--- /dev/null
+++ b/tikzit/src/linux/test/main.m
@@ -0,0 +1,50 @@
+//
+// main.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#include "config.h"
+#import "test/test.h"
+#include <string.h>
+void testCommon();
+
+int main(int argc, char **argv) {
+ if (argc == 2 && strcmp(argv[1], "--disable-color")==0) {
+ setColorEnabled(NO);
+ } else {
+ setColorEnabled(YES);
+ }
+
+ PUTS(@"");
+ PUTS(@"**********************************************");
+ PUTS(@"TikZiT TESTS, LINUX VERSION %@", VERSION);
+ PUTS(@"**********************************************");
+ PUTS(@"");
+
+ startTests();
+ testCommon();
+ testLinux();
+
+ PUTS(@"");
+ PUTS(@"**********************************************");
+ endTests();
+ PUTS(@"**********************************************");
+ PUTS(@"");
+}
diff --git a/tikzit/src/osx/AppDelegate.h b/tikzit/src/osx/AppDelegate.h
new file mode 100644
index 0000000..349b47b
--- /dev/null
+++ b/tikzit/src/osx/AppDelegate.h
@@ -0,0 +1,53 @@
+//
+// AppDelegate.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "StylePaletteController.h"
+#import "ToolPaletteController.h"
+#import "PropertyInspectorController.h"
+#import "PreambleController.h"
+#import "PreviewController.h"
+#import "GraphicsView.h"
+
+@interface AppDelegate : NSObject {
+ NSMapTable *table;
+ StylePaletteController *stylePaletteController;
+ PropertyInspectorController *propertyInspectorController;
+ PreambleController *preambleController;
+ PreviewController *previewController;
+ ToolPaletteController *toolPaletteController;
+ IBOutlet GraphicsView *graphicsView;
+ NSString *tempDir;
+}
+
+@property IBOutlet StylePaletteController *stylePaletteController;
+@property IBOutlet ToolPaletteController *toolPaletteController;
+
+- (void)awakeFromNib;
+- (void)applicationWillTerminate:(NSNotification *)notification;
+- (IBAction)toggleStyleInspector:(id)sender;
+- (IBAction)togglePropertyInspector:(id)sender;
+- (IBAction)togglePreamble:(id)sender;
+- (IBAction)refreshShapes:(id)sender;
+
+@end
diff --git a/tikzit/src/osx/AppDelegate.m b/tikzit/src/osx/AppDelegate.m
new file mode 100644
index 0000000..edfaf19
--- /dev/null
+++ b/tikzit/src/osx/AppDelegate.m
@@ -0,0 +1,105 @@
+//
+// AppDelegate.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "AppDelegate.h"
+#import "TikzGraphAssembler.h"
+#import "TikzDocument.h"
+#import "Shape.h"
+#import "SupportDir.h"
+
+@implementation AppDelegate
+
+@synthesize stylePaletteController, toolPaletteController;
+
+
+- (void)awakeFromNib {
+ [TikzGraphAssembler setup]; // initialise lex/yacc parser globals
+
+ [SupportDir createUserSupportDir];
+ NSString *supportDir = [SupportDir userSupportDir];
+ //NSLog(stylePlist);
+ stylePaletteController =
+ [[StylePaletteController alloc] initWithWindowNibName:@"StylePalette"
+ supportDir:supportDir];
+
+ propertyInspectorController =
+ [[PropertyInspectorController alloc] initWithWindowNibName:@"PropertyInspector"];
+
+ [propertyInspectorController setStylePaletteController:stylePaletteController];
+
+ NSString *preamblePlist = [supportDir stringByAppendingPathComponent:@"preambles.plist"];
+ preambleController =
+ [[PreambleController alloc] initWithWindowNibName:@"Preamble"
+ plist:preamblePlist
+ styles:[stylePaletteController nodeStyles]];
+
+ char template[] = "/tmp/tikzit_tmp_XXXXXXX";
+ char *dir = mkdtemp(template);
+ tempDir = [NSString stringWithUTF8String:dir];
+
+ NSLog(@"created temp dir: %@", tempDir);
+ NSLog(@"system support dir: %@", [SupportDir systemSupportDir]);
+
+ previewController =
+ [[PreviewController alloc] initWithWindowNibName:@"Preview"
+ preambleController:preambleController
+ tempDir:tempDir];
+
+ // each application has one global preview controller
+ [PreviewController setDefaultPreviewController:previewController];
+}
+
+- (void)applicationWillTerminate:(NSNotification *)notification {
+ NSString *supportDir = [SupportDir userSupportDir];
+ [stylePaletteController saveStyles:supportDir];
+ [preambleController savePreambles:[supportDir stringByAppendingPathComponent:@"preambles.plist"]];
+
+ NSLog(@"wiping temp dir: %@", tempDir);
+ [[NSFileManager defaultManager] removeItemAtPath:tempDir error:NULL];
+}
+
+- (void)toggleController:(NSWindowController*)c {
+ if ([[c window] isVisible]) {
+ [c close];
+ } else {
+ [c showWindow:self];
+ }
+}
+
+- (IBAction)toggleStyleInspector:(id)sender {
+ [self toggleController:stylePaletteController];
+}
+
+- (IBAction)togglePropertyInspector:(id)sender {
+ [self toggleController:propertyInspectorController];
+}
+
+- (IBAction)togglePreamble:(id)sender {
+ [self toggleController:preambleController];
+}
+
+- (IBAction)refreshShapes:(id)sender {
+ [Shape refreshShapeDictionary];
+}
+
+@end
diff --git a/tikzit/src/osx/CALayer+DrawLabel.h b/tikzit/src/osx/CALayer+DrawLabel.h
new file mode 100644
index 0000000..32282d9
--- /dev/null
+++ b/tikzit/src/osx/CALayer+DrawLabel.h
@@ -0,0 +1,21 @@
+//
+// CALayer+DrawLabel.h
+// TikZiT
+//
+// Created by Aleks Kissinger on 09/05/2011.
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <QuartzCore/CoreAnimation.h>
+
+@class Transformer;
+
+@interface CALayer(DrawLabel)
+
+- (void)drawLabel:(NSString*)label
+ atPoint:(NSPoint)pt
+ inContext:(CGContextRef)context
+ usingTrans:(Transformer*)t;
+
+@end
diff --git a/tikzit/src/osx/CALayer+DrawLabel.m b/tikzit/src/osx/CALayer+DrawLabel.m
new file mode 100644
index 0000000..4860a3c
--- /dev/null
+++ b/tikzit/src/osx/CALayer+DrawLabel.m
@@ -0,0 +1,84 @@
+//
+// CALayer+DrawLabel.m
+// TikZiT
+//
+// Created by Aleks Kissinger on 09/05/2011.
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+
+#import "CALayer+DrawLabel.h"
+#import "Transformer.h"
+
+@implementation CALayer(DrawLabel)
+
+- (void)drawLabel:(NSString*)label
+ atPoint:(NSPoint)pt
+ inContext:(CGContextRef)context
+ usingTrans:(Transformer*)t {
+
+ CGContextSaveGState(context);
+
+ if ([label length] > 15) {
+ label = [[label substringToIndex:12] stringByAppendingString:@"..."];
+ }
+
+ float fontSize = [t scaleToScreen:0.18f]; // size 9 @ 100%
+ if (fontSize > 18.0f) fontSize = 18.0f;
+
+ // Prepare font
+ CTFontRef font = CTFontCreateWithName(CFSTR("Monaco"), fontSize, NULL);
+
+ // Create an attributed string
+ CFStringRef keys[] = { kCTFontAttributeName };
+ CFTypeRef values[] = { font };
+ CFDictionaryRef attr = CFDictionaryCreate(NULL,
+ (const void **)&keys,
+ (const void **)&values,
+ sizeof(keys) / sizeof(keys[0]),
+ &kCFTypeDictionaryKeyCallBacks,
+ &kCFTypeDictionaryValueCallBacks);
+ CFAttributedStringRef attrString =
+ CFAttributedStringCreate(NULL, (CFStringRef)label, attr);
+ CFRelease(attr);
+
+ // Draw the string
+ CTLineRef line = CTLineCreateWithAttributedString(attrString);
+ CGContextSetTextMatrix(context, CGAffineTransformIdentity);
+ CGContextSetTextPosition(context, 0, 0);
+
+ CGRect labelBounds = CGRectIntegral(CTLineGetImageBounds(line, context));
+ //int shiftx = round(labelBounds.size.width / 2);
+
+ CGContextSetTextPosition(context,
+ round(pt.x - (labelBounds.size.width/2)),
+ round(pt.y - (0.9*labelBounds.size.height/2)));
+
+ labelBounds = CGRectIntegral(CTLineGetImageBounds(line, context));
+ labelBounds.origin.x -= 2;
+ labelBounds.origin.y -= 2;
+ labelBounds.size.width += 4;
+ labelBounds.size.height += 4;
+
+ CGContextSetShouldAntialias(context, NO);
+
+ CGContextSetRGBFillColor(context, 1.0f, 1.0f, 0.5f, 0.7f);
+ CGContextSetRGBStrokeColor(context, 0.5f, 0.0f, 0.0f, 0.7f);
+
+ CGContextFillRect(context, labelBounds);
+ CGContextStrokeRect(context, labelBounds);
+
+ CGContextSetShouldAntialias(context, YES);
+
+ CGContextSetRGBFillColor(context, 0.3f, 0.3f, 0.3f, 0.7f);
+
+ CTLineDraw(line, context);
+
+ // Clean up
+ CFRelease(line);
+ CFRelease(attrString);
+ CFRelease(font);
+
+ CGContextRestoreGState(context);
+}
+
+@end
diff --git a/tikzit/src/osx/CoreGraphicsRenderContext.h b/tikzit/src/osx/CoreGraphicsRenderContext.h
new file mode 100644
index 0000000..7b00484
--- /dev/null
+++ b/tikzit/src/osx/CoreGraphicsRenderContext.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Cocoa/Cocoa.h>
+#import "RenderContext.h"
+
+@interface CoreTextLayout: NSObject<TextLayout> {
+ CFAttributedStringRef attrString;
+ CTFontRef font;
+ CTLineRef line;
+ CGContextRef ctx;
+}
+
++ (CoreTextLayout*) layoutForContext:(CGContextRef)c withString:(NSString*)string fontSize:(CGFloat)fontSize;
+- (id) initWithContext:(CGContextRef)cr withString:(NSString*)string fontSize:(CGFloat)fontSize;
+
+@end
+
+@interface CoreGraphicsRenderContext: NSObject<RenderContext> {
+ CGContextRef ctx;
+}
+
++ (CoreGraphicsRenderContext*) contextWithCGContext:(CGContextRef)c;
++ (id) initWithCGContext:(CGContextRef)c;
+
+- (CGContextRef) ctx;
+
+@end
+
+// vim:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/osx/CoreGraphicsRenderContext.m b/tikzit/src/osx/CoreGraphicsRenderContext.m
new file mode 100644
index 0000000..1cb0daf
--- /dev/null
+++ b/tikzit/src/osx/CoreGraphicsRenderContext.m
@@ -0,0 +1,234 @@
+/*
+ * Copyright 2011 Alex Merry <alex.merry@kdemail.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import <Cocoa/Cocoa.h>
+#import "RenderContext.h"
+
+@implementation CoreTextLayout
+
++ (CoreTextLayout*) layoutForContext:(CGContextRef)c withString:(NSString*)string fontSize:(CGFloat)fontSize {
+ return [[[self alloc] initWithContext:c withString:string fontSize:fontSize] autorelease];
+}
+
+- (id) initWithContext:(CGContextRef)cr withString:(NSString*)string fontSize:(CGFloat)fontSize {
+ self = [super init];
+
+ if (self == nil) {
+ return nil;
+ }
+
+ CGContextRetain (cr);
+ ctx = cr;
+ font = CTFontCreateWithName(CFSTR("Monaco"), fontSize, NULL);
+
+ // Create an attributed string
+ CFStringRef keys[] = { kCTFontAttributeName };
+ CFTypeRef values[] = { font };
+ CFDictionaryRef attr = CFDictionaryCreate(NULL,
+ (const void **)&keys,
+ (const void **)&values,
+ sizeof(keys) / sizeof(keys[0]),
+ &kCFTypeDictionaryKeyCallBacks,
+ &kCFTypeDictionaryValueCallBacks);
+ attrString = CFAttributedStringCreate(NULL, (CFStringRef)lab, attr);
+ CFRelease(attr);
+ line = CTLineCreateWithAttributedString(attrString);
+
+ return self;
+}
+
+- (NSSize) size {
+ CGRect labelBounds = CGRectIntegral(CTLineGetImageBounds(line, ctx));
+ return labelBounds.size;
+}
+
+- (NSString*) text {
+ return CFAttributedStringGetString (attrString);
+}
+
+- (void) showTextAt:(NSPoint)topLeft withColor:(RColor)color {
+ CGContextSaveGState(ctx);
+
+ CGContextSetRGBFillColor(ctx, color.red, color.green, color.blue, color.alpha);
+ CGContextSetRGBStrokeColor(ctx, color.red, color.green, color.blue, color.alpha);
+ CGContextSetShouldAntialias(ctx, YES);
+
+ CGContextSetTextMatrix(ctx, CGAffineTransformIdentity);
+ CGContextSetTextPosition(ctx, 0, 0);
+ CGRect bounds = CGRectIntegral(CTLineGetImageBounds(line, ctx));
+ CGContextSetTextPosition(ctx, topLeft.x - bounds.x, topLeft.y - bounds.y);
+
+ CTLineDraw(line, ctx);
+
+ CGContextRestoreGState(ctx);
+}
+
+- (void) dealloc {
+ CFRelease(line);
+ CFRelease(attrString);
+ CFRelease(font);
+ CGContextRelease (ctx);
+
+ [super dealloc];
+}
+
+@end
+
+@implementation CoreGraphicsRenderContext
+
++ (CoreGraphicsRenderContext*) contextWithCGContext:(CGContextRef)c {
+ return [[[self alloc] initWithCGContext:c] autorelease];
+}
+
++ (id) initWithCGContext:(CGContextRef)c {
+ self = [super init];
+
+ if (self) {
+ ctx = c;
+ CGContextRetain (ctx);
+ }
+
+ return self;
+}
+
+- (void) dealloc {
+ CGContextRelease (ctx);
+
+ [super dealloc];
+}
+
+- (CGContextRef) ctx {
+ return ctx;
+}
+
+- (void) saveState {
+ CGContextSaveGState(ctx);
+}
+
+- (void) restoreState {
+ CGContextRestoreGState(ctx);
+}
+
+- (NSRect) clipBoundingBox {
+ return CGContextGetClipBoundingBox (ctx);
+}
+
+- (BOOL) strokeIncludesPoint:(NSPoint)p {
+ return CGContextPathContainsPoint(ctx, NSPointToCGPoint(p), kCGPathStroke);
+}
+
+- (BOOL) fillIncludesPoint:(NSPoint)p {
+ return CGContextPathContainsPoint(ctx, NSPointToCGPoint(p), kCGPathFill);
+}
+
+- (id<TextLayout>) layoutText:(NSString*)text withSize:(CGFloat)fontSize {
+ return [CoreTextLayout layoutForContext:ctx withString:text fontSize:fontSize];
+}
+
+// this may not affect text rendering
+- (void) setAntialiasMode:(AntialiasMode)mode {
+ CGContextSetShouldAntialias(ctx, mode != AntialiasDisabled);
+}
+
+- (void) setLineWidth:(CGFloat)width {
+ CGContextSetLineWidth(ctx, width);
+}
+
+// setting to 0 will unset the dash
+- (void) setLineDash:(CGFloat)dashLength {
+ if (dashLength <= 0.0f) {
+ CGContextSetLineDash(ctx, 0.0f, NULL, 0);
+ } else {
+ const CGFloat dash[] = {dashLength, dashLength};
+ CGContextSetLineDash(ctx, 0.0f, dash, 2);
+ }
+}
+
+// paths
+- (void) startPath {
+ CGContextBeginPath (ctx);
+}
+
+- (void) closeSubPath {
+ CGContextClosePath (ctx);
+}
+
+- (void) moveTo:(NSPoint)p {
+ CGContextMoveToPoint (ctx, p.x, p.y);
+}
+
+- (void) curveTo:(NSPoint)end withCp1:(NSPoint)cp1 andCp2:(NSPoint)cp2 {
+ CGContextAddCurveToPoint(ctx, cp1.x, cp1.y, cp2.x, cp2.y, end.x, end.y);
+}
+
+- (void) lineTo:(NSPoint)end {
+ CGContextAddLineToPoint(ctx, end.x, end.y);
+}
+
+- (void) rect:(NSRect)rect {
+ CGContextAddRect (ctx, rect);
+}
+
+- (void) circleAt:(NSPoint)c withRadius:(CGFloat)r {
+ CGContextMoveToPoint (ctx, c.x + r, c.y);
+ CGContextAddArc (ctx, c.x, c.y, r, 0.0f, M_PI, 1);
+}
+
+// these methods clear the path
+- (void) strokePathWithColor:(RColor)color {
+ CGContextSetRGBStrokeColor(ctx, color.red, color.green, color.blue, color.alpha);
+ CGContextDrawPath (ctx, kCGPathStroke);
+}
+
+- (void) fillPathWithColor:(RColor)color {
+ CGContextSetRGBFillColor(ctx, color.red, color.green, color.blue, color.alpha);
+ CGContextDrawPath (ctx, kCGPathFill);
+}
+
+- (void) strokePathWithColor:(RColor)scolor
+ andFillWithColor:(RColor)fcolor {
+ CGContextSetRGBFillColor(ctx, color.red, color.green, color.blue, color.alpha);
+ CGContextSetRGBStrokeColor(ctx, color.red, color.green, color.blue, color.alpha);
+ CGContextDrawPath (ctx, kCGPathFillStroke);
+}
+
+- (void) strokePathWithColor:(RColor)scolor
+ andFillWithColor:(RColor)fcolor
+ usingAlpha:(CGFloat)alpha {
+ CGContextSetRGBFillColor(ctx, color.red, color.green, color.blue, color.alpha * alpha);
+ CGContextSetRGBStrokeColor(ctx, color.red, color.green, color.blue, color.alpha * alpha);
+ CGContextDrawPath (ctx, kCGPathFillStroke);
+}
+
+- (void) clipToPath {
+ CGContextClip (ctx);
+}
+
+// paint everywhere within the clip
+- (void) paintWithColor:(RColor)color {
+ CGContextSetRGBFillColor(ctx, color.red, color.green, color.blue, color.alpha);
+ CGRect r = CGContextGetClipBoundingBox (ctx);
+ r.origin.x -= 1;
+ r.origin.y -= 1;
+ r.size.width += 2;
+ r.size.height += 2;
+ CGContextFillRect(context, r);
+}
+
+@end
+
+// vim:ft=objc:ts=4:noet:sts=4:sw=4
diff --git a/tikzit/src/osx/EdgeControlLayer.h b/tikzit/src/osx/EdgeControlLayer.h
new file mode 100644
index 0000000..4cdf8bc
--- /dev/null
+++ b/tikzit/src/osx/EdgeControlLayer.h
@@ -0,0 +1,44 @@
+//
+// EdgeControlLayer.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <QuartzCore/CoreAnimation.h>
+#import "Edge.h"
+#import "Transformer.h"
+
+
+@interface EdgeControlLayer : CALayer {
+ Edge *edge;
+ Transformer *transformer;
+ BOOL selected;
+}
+
+- (id)initWithEdge:(Edge*)e andTransformer:(Transformer*)t;
+- (void)highlight;
+- (void)unhighlight;
+- (void)select;
+- (void)deselect;
+
++ (float)handleRadius;
+
+@end
diff --git a/tikzit/src/osx/EdgeControlLayer.m b/tikzit/src/osx/EdgeControlLayer.m
new file mode 100644
index 0000000..377cde4
--- /dev/null
+++ b/tikzit/src/osx/EdgeControlLayer.m
@@ -0,0 +1,150 @@
+//
+// EdgeControlLayer.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "EdgeControlLayer.h"
+#import "util.h"
+
+
+@implementation EdgeControlLayer
+
+
+- (id)initWithEdge:(Edge*)e andTransformer:(Transformer*)t {
+ [super init];
+ transformer = t;
+ edge = e;
+ self.opacity = 0.0f;
+ return self;
+}
+
+- (void)select {
+ selected = YES;
+ self.opacity = 1.0f;
+}
+
+- (void)deselect {
+ selected = NO;
+ self.opacity = 0.0f;
+}
+
+- (void)highlight {
+ if (!selected) {
+ self.opacity = 0.5f;
+ }
+}
+
+- (void)unhighlight {
+ if (!selected) {
+ self.opacity = 0.0f;
+ }
+}
+
+- (void)drawInContext:(CGContextRef)ctx {
+ CGContextSaveGState(ctx);
+
+ [edge updateControls];
+ CGPoint source = NSPointToCGPoint([transformer toScreen:[[edge source] point]]);
+ CGPoint target = NSPointToCGPoint([transformer toScreen:[[edge target] point]]);
+ CGPoint mid = NSPointToCGPoint([transformer toScreen:[edge mid]]);
+ CGPoint cp1 = NSPointToCGPoint([transformer toScreen:[edge cp1]]);
+ CGPoint cp2 = NSPointToCGPoint([transformer toScreen:[edge cp2]]);
+
+ float dx = (target.x - source.x);
+ float dy = (target.y - source.y);
+
+ // draw a circle at the midpoint
+ CGRect mid_rect = CGRectMake(mid.x-3.0f, mid.y-3.0f, 6.0f, 6.0f);
+ CGContextAddEllipseInRect(ctx, mid_rect);
+ CGContextSetLineWidth(ctx, 1.0f);
+ CGContextSetRGBFillColor(ctx, 1.0f, 1.0f, 1.0f, 0.5f);
+ CGContextSetRGBStrokeColor(ctx, 0.0f, 0.0f, 1.0f, 0.5f);
+ CGContextDrawPath(ctx, kCGPathFillStroke);
+
+
+ CGContextSetShouldAntialias(ctx, YES);
+
+ // compute size of control circles
+ float cdist;
+ if (dx == 0 && dy == 0) cdist = [transformer scaleToScreen:edge.weight];
+ else cdist = sqrt(dx*dx + dy*dy) * edge.weight;
+
+ // if basic bend, draw blue, if inout, draw green
+ if ([edge bendMode] == EdgeBendModeBasic) CGContextSetRGBStrokeColor(ctx, 0, 0, 1, 0.4f);
+ else CGContextSetRGBStrokeColor(ctx, 0, 0.7f, 0, 0.4f);
+
+ // draw source control circle
+ CGRect ellipse1 = CGRectMake(source.x-cdist, source.y-cdist, cdist*2.0f, cdist*2.0f);
+ CGContextAddEllipseInRect(ctx, ellipse1);
+ if (dx!=0 || dy!=0) {
+ CGRect ellipse2 = CGRectMake(target.x-cdist, target.y-cdist, cdist*2.0f, cdist*2.0f);
+ CGContextAddEllipseInRect(ctx, ellipse2);
+ }
+
+ CGContextStrokePath(ctx);
+
+ float handleRad = [EdgeControlLayer handleRadius];
+
+ // handles
+ CGRect ctrl1 = CGRectMake(cp1.x-handleRad, cp1.y-handleRad, 2*handleRad, 2*handleRad);
+ CGRect ctrl2 = CGRectMake(cp2.x-handleRad, cp2.y-handleRad, 2*handleRad, 2*handleRad);
+
+ CGContextSetRGBFillColor(ctx, 1.0f, 1.0f, 1.0f, 0.8f);
+
+ // draw a line from source vertex to first handle
+ if ([edge bendMode] == EdgeBendModeInOut) {
+ if ([edge outAngle] % 45 == 0) CGContextSetRGBStrokeColor(ctx, 1, 0, 1, 0.6f);
+ else CGContextSetRGBStrokeColor(ctx, 0, 0.7f, 0, 0.4f);
+ } else {
+ if ([edge bend] % 45 == 0) CGContextSetRGBStrokeColor(ctx, 1, 0, 1, 0.6f);
+ else CGContextSetRGBStrokeColor(ctx, 0, 0, 1, 0.4f);
+ }
+
+ CGContextMoveToPoint(ctx, source.x, source.y);
+ CGContextAddLineToPoint(ctx, cp1.x, cp1.y);
+ CGContextStrokePath(ctx);
+
+ CGContextAddEllipseInRect(ctx, ctrl1);
+ CGContextDrawPath(ctx, kCGPathFillStroke);
+
+
+ // draw a line from target vertex to second handle
+ if ([edge bendMode] == EdgeBendModeInOut) {
+ if ([edge inAngle] % 45 == 0) CGContextSetRGBStrokeColor(ctx, 1, 0, 1, 0.6f);
+ else CGContextSetRGBStrokeColor(ctx, 0, 0.7f, 0, 0.4f);
+ } else {
+ if ([edge bend] % 45 == 0) CGContextSetRGBStrokeColor(ctx, 1, 0, 1, 0.6f);
+ else CGContextSetRGBStrokeColor(ctx, 0, 0, 1, 0.4f);
+ }
+
+ CGContextMoveToPoint(ctx, target.x, target.y);
+ CGContextAddLineToPoint(ctx, cp2.x, cp2.y);
+ CGContextStrokePath(ctx);
+
+ CGContextAddEllipseInRect(ctx, ctrl2);
+ CGContextDrawPath(ctx, kCGPathFillStroke);
+
+ CGContextRestoreGState(ctx);
+}
+
++ (float)handleRadius { return 4.0f; }
+
+@end
diff --git a/tikzit/src/osx/EdgeStyle+Coder.h b/tikzit/src/osx/EdgeStyle+Coder.h
new file mode 100644
index 0000000..e35c18f
--- /dev/null
+++ b/tikzit/src/osx/EdgeStyle+Coder.h
@@ -0,0 +1,30 @@
+//
+// EdgeStyle+Coder.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "EdgeStyle.h"
+
+@interface EdgeStyle (Coder)
+- (id)initWithCoder:(NSCoder*)coder;
+- (void)encodeWithCoder:(NSCoder*)coder;
+@end
diff --git a/tikzit/src/osx/EdgeStyle+Coder.m b/tikzit/src/osx/EdgeStyle+Coder.m
new file mode 100644
index 0000000..208fac0
--- /dev/null
+++ b/tikzit/src/osx/EdgeStyle+Coder.m
@@ -0,0 +1,50 @@
+//
+// EdgeStyle+Coder.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "EdgeStyle+Coder.h"
+
+@implementation EdgeStyle (Coder)
+
+- (id)initWithCoder:(NSCoder*)coder {
+ [super init];
+
+ name = [coder decodeObjectForKey:@"name"];
+ category = [coder decodeObjectForKey:@"category"];
+ headStyle = [coder decodeIntForKey:@"headStyle"];
+ tailStyle = [coder decodeIntForKey:@"tailStyle"];
+ decorationStyle = [coder decodeIntForKey:@"decorationStyle"];
+ thickness = [coder decodeFloatForKey:@"thickness"];
+
+ return self;
+}
+
+- (void)encodeWithCoder:(NSCoder*)coder {
+ [coder encodeObject:name forKey:@"name"];
+ [coder encodeObject:category forKey:@"category"];
+ [coder encodeInt:headStyle forKey:@"headStyle"];
+ [coder encodeInt:tailStyle forKey:@"tailStyle"];
+ [coder encodeInt:decorationStyle forKey:@"decorationStyle"];
+ [coder encodeFloat:thickness forKey:@"thickness"];
+}
+
+@end
diff --git a/tikzit/src/osx/Graph+Coder.h b/tikzit/src/osx/Graph+Coder.h
new file mode 100644
index 0000000..1404fc2
--- /dev/null
+++ b/tikzit/src/osx/Graph+Coder.h
@@ -0,0 +1,17 @@
+//
+// Graph+Coder.h
+// TikZiT
+//
+// Created by Aleks Kissinger on 27/04/2010.
+// Copyright 2010 __MyCompanyName__. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "Graph.h"
+
+@interface Graph (Coder)
+
+- (id)initWithCoder:(NSCoder*)coder;
+- (void)encodeWithCoder:(NSCoder*)coder;
+
+@end
diff --git a/tikzit/src/osx/Graph+Coder.m b/tikzit/src/osx/Graph+Coder.m
new file mode 100644
index 0000000..6a3f650
--- /dev/null
+++ b/tikzit/src/osx/Graph+Coder.m
@@ -0,0 +1,25 @@
+//
+// Graph+Coder.m
+// TikZiT
+//
+// Created by Aleks Kissinger on 27/04/2010.
+// Copyright 2010 __MyCompanyName__. All rights reserved.
+//
+
+#import "Graph+Coder.h"
+#import "TikzGraphAssembler.h"
+
+@implementation Graph(Coder)
+
+- (id)initWithCoder:(NSCoder*)coder {
+ NSString *tikz = [coder decodeObject];
+ TikzGraphAssembler *ass = [[TikzGraphAssembler alloc] init];
+ [ass parseTikz:tikz forGraph:self];
+ return self;
+}
+
+- (void)encodeWithCoder:(NSCoder*)coder {
+ [coder encodeObject:[self tikz]];
+}
+
+@end
diff --git a/tikzit/src/osx/GraphicsView.h b/tikzit/src/osx/GraphicsView.h
new file mode 100644
index 0000000..ddd005f
--- /dev/null
+++ b/tikzit/src/osx/GraphicsView.h
@@ -0,0 +1,128 @@
+//
+// GraphicsView.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <QuartzCore/CoreAnimation.h>
+#import "PickSupport.h"
+#import "Grid.h"
+#import "Transformer.h"
+#import "Graph.h"
+#import "NodeStyle.h"
+#import "StylePaletteController.h"
+#import "ToolPaletteController.h"
+#import "SelectBoxLayer.h"
+
+// mouse modes, corresponding to different tools. format: (tool)[sub-mode]Mode
+typedef enum {
+ SelectMode = 0x10,
+ SelectBoxMode = 0x11,
+ SelectMoveMode = 0x12,
+ SelectEdgeBendMode = 0x14,
+
+ NodeMode = 0x20,
+
+ EdgeMode = 0x40,
+ EdgeDragMode = 0x41,
+
+ CropMode = 0x80,
+ CropDragMode = 0x81
+} MouseMode;
+
+@class TikzSourceController;
+
+@interface GraphicsView : NSView {
+ BOOL enabled;
+
+ IBOutlet NSApplication *application;
+ StylePaletteController *stylePaletteController;
+ ToolPaletteController *toolPaletteController;
+
+ BOOL frameMoveMode;
+
+ Graph *graph;
+ NSString *graphTikzOnMouseDown;
+ PickSupport *pickSupport;
+ //NSMapTable *nodeSelectionLayers;
+ NSMapTable *edgeControlLayers;
+ NSMapTable *nodeLayers;
+ NSPoint dragOrigin;
+ NSPoint dragTarget;
+ NSPoint oldTransformerOrigin;
+ NSPoint oldMainOrigin;
+ NSRect oldBounds;
+ //NSRect selectionBox;
+ Transformer *transformer;
+
+ CALayer *mainLayer;
+ CALayer *gridLayer;
+ CALayer *graphLayer;
+ CALayer *hudLayer;
+ SelectBoxLayer *selectionLayer;
+
+ MouseMode mouseMode;
+ Node *leaderNode;
+ Grid *grid;
+
+ Edge *modifyEdge;
+ BOOL firstControlPoint;
+
+ int bboxLeftRight;
+ int bboxBottomTop;
+
+ NSUndoManager *documentUndoManager;
+ NSPoint startPoint;
+
+ TikzSourceController *tikzSourceController;
+}
+
+@property BOOL enabled;
+@property Graph *graph;
+@property IBOutlet TikzSourceController *tikzSourceController;
+@property (readonly) Transformer *transformer;
+@property (readonly) PickSupport *pickSupport;
+
+- (void)setDocumentUndoManager:(NSUndoManager*)um;
+- (void)applyStyleToSelectedNodes:(NodeStyle*)style;
+- (void)applyStyleToSelectedEdges:(EdgeStyle*)style;
+
+- (void)updateMouseMode;
+- (void)refreshLayers;
+
+//- (void)registerUndo:(GraphChange *)change withActionName:(NSString*)name;
+- (void)registerUndo:(NSString*)oldTikz withActionName:(NSString*)name;
+//- (void)undoGraphChange:(GraphChange *)change;
+- (void)undoGraphChange:(NSString*)oldTikz;
+- (void)postGraphChange;
+- (void)postSelectionChange;
+
+- (void)deselectAll:(id)sender;
+- (void)selectAll:(id)sender;
+- (void)cut:(id)sender;
+- (void)copy:(id)sender;
+- (void)paste:(id)sender;
+- (void)delete:(id)sender;
+- (void)flipHorizonal:(id)sender;
+- (void)flipVertical:(id)sender;
+- (void)reverseEdgeDirection:(id)sender;
+
+@end
diff --git a/tikzit/src/osx/GraphicsView.m b/tikzit/src/osx/GraphicsView.m
new file mode 100644
index 0000000..38ed1f0
--- /dev/null
+++ b/tikzit/src/osx/GraphicsView.m
@@ -0,0 +1,1142 @@
+//
+// GraphicsView.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "GraphicsView.h"
+#import "util.h"
+#import "CALayer+DrawLabel.h"
+
+#import "NodeSelectionLayer.h"
+#import "NodeLayer.h"
+#import "EdgeControlLayer.h"
+#import "AppDelegate.h"
+#import "TikzGraphAssembler.h"
+#import "TikzSourceController.h"
+
+@interface GraphicsView (Private)
+- (void)setupLayers;
+- (void)addNodeLayers:(Node*)n;
+- (void)addEdgeLayers:(Edge*)e;
+- (void)removeNodeLayers:(Node*)n;
+- (void)resetMainOrigin;
+- (void)setMainOrigin:(NSPoint)o;
+@end
+
+static CGColorRef cgGrayColor, cgWhiteColor, cgClearColor = nil;
+
+
+@implementation GraphicsView
+
+@synthesize enabled, transformer, pickSupport, tikzSourceController;
+
+- (void)postGraphChange {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"GraphChanged"
+ object:self];
+ [self postSelectionChange];
+}
+
+- (void)postSelectionChange {
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"SelectionChanged"
+ object:self];
+}
+
+- (id)initWithFrame:(NSRect)frame {
+ self = [super initWithFrame:frame];
+ if (self) {
+ if (cgClearColor == nil) {
+ cgClearColor = CGColorGetConstantColor(kCGColorClear);
+ cgGrayColor = CGColorCreateGenericGray(0.5f, 0.5f);
+ cgWhiteColor = CGColorCreateGenericRGB(1, 1, 1, 1);
+ }
+
+ transformer = [[Transformer alloc] init];
+ mouseMode = SelectMode;
+ grid = [Grid gridWithSpacing:1.0f
+ subdivisions:4
+ transformer:transformer];
+ [grid setSize:NSSizeFromCGSize([gridLayer bounds].size)];
+ [transformer setScale:PIXELS_PER_UNIT];
+
+ [self setupLayers];
+
+ leaderNode = nil;
+ pickSupport = [[PickSupport alloc] init];
+ frameMoveMode = NO;
+
+ enabled = YES;
+ [self setGraph:[Graph graph]];
+ }
+ return self;
+}
+
+- (void)awakeFromNib {
+ AppDelegate *del = [application delegate];
+ stylePaletteController = [del stylePaletteController];
+ toolPaletteController = [del toolPaletteController];
+ [self refreshLayers];
+ [self postGraphChange];
+}
+
+- (void)setupLayers {
+ mainLayer = [CALayer layer];
+ [mainLayer setBackgroundColor:cgWhiteColor];
+ [mainLayer setFrame:CGRectIntegral(NSRectToCGRect([self bounds]))];
+ [mainLayer setOpacity:1.0f];
+ [self setLayer:mainLayer];
+ [self resetMainOrigin];
+
+ gridLayer = [CALayer layer];
+ [gridLayer setDelegate:grid];
+ [gridLayer setOpacity:0.3f];
+ [mainLayer addSublayer:gridLayer];
+
+ graphLayer = [CALayer layer];
+ [graphLayer setDelegate:self];
+ [mainLayer addSublayer:graphLayer];
+
+ hudLayer = [CALayer layer];
+ [mainLayer addSublayer:hudLayer];
+
+ selectionLayer = [SelectBoxLayer layer];
+ [mainLayer addSublayer:selectionLayer];
+
+ [transformer setOrigin:NSMakePoint(NSMidX([self bounds]),NSMidY([self bounds]))];
+ oldBounds = [self bounds];
+ [self refreshLayers];
+}
+
+// Lion resume feature
+//- (void)encodeRestorableStateWithCoder:(NSCoder*)coder {
+// NSLog(@"got encode request");
+//}
+//- (void)restoreStateWithCoder:(NSCoder*)coder {
+// NSLog(@"got decode request");
+//}
+
+- (void)registerUndo:(NSString*)oldTikz withActionName:(NSString*)nm {
+ [documentUndoManager registerUndoWithTarget:self
+ selector:@selector(undoGraphChange:)
+ object:oldTikz];
+ [documentUndoManager setActionName:nm];
+}
+
+- (void)revertToTikz:(NSString*)tikz {
+ [tikzSourceController setTikz:tikz];
+ [tikzSourceController tryParseTikz];
+ [self refreshLayers];
+ [self postGraphChange];
+}
+
+
+- (void)undoGraphChange:(NSString*)oldTikz {
+ NSString *currentTikz = [graph tikz];
+ [self revertToTikz:oldTikz];
+ [documentUndoManager registerUndoWithTarget:self
+ selector:@selector(undoGraphChange:)
+ object:currentTikz];
+}
+
+- (void)setGraph:(Graph*)gr {
+ graph = gr;
+
+ NSEnumerator *e;
+ CALayer *layer;
+
+ e = [edgeControlLayers objectEnumerator];
+ while (layer = [e nextObject]) [layer removeFromSuperlayer];
+ edgeControlLayers = [NSMapTable mapTableWithStrongToStrongObjects];
+
+
+ e = [nodeLayers objectEnumerator];
+ while (layer = [e nextObject]) [layer removeFromSuperlayer];
+ nodeLayers = [NSMapTable mapTableWithStrongToStrongObjects];
+
+ for (Node *n in [graph nodes]) {
+ [n attachStyleFromTable:[stylePaletteController nodeStyles]];
+ [self addNodeLayers:n];
+ }
+
+ for (Edge *e in [graph edges]) {
+ [e setAttributesFromData];
+ [e attachStyleFromTable:[stylePaletteController edgeStyles]];
+ [self addEdgeLayers:e];
+ }
+}
+
+- (Graph*)graph { return graph; }
+
+- (void)setMainOrigin:(NSPoint)o {
+ o.x = round(o.x);
+ o.y = round(o.y);
+ CGRect rect = [mainLayer frame];
+ rect.origin = NSPointToCGPoint(o);
+ [mainLayer setFrame:rect];
+}
+
+- (void)resetMainOrigin {
+ NSRect bds = [self bounds];
+ bds.origin.x -= bds.size.width;
+ bds.origin.y -= bds.size.height;
+ bds.size.width *= 3;
+ bds.size.height *= 3;
+ [mainLayer setFrame:NSRectToCGRect([self bounds])];
+}
+
+- (void)refreshLayers {
+ [gridLayer setFrame:[mainLayer frame]];
+ [graphLayer setFrame:[mainLayer frame]];
+ [hudLayer setFrame:[mainLayer frame]];
+ [selectionLayer setFrame:[mainLayer frame]];
+
+ if (enabled) {
+ [hudLayer setBackgroundColor:cgClearColor];
+ } else {
+ [hudLayer setBackgroundColor:cgGrayColor];
+ }
+
+ [grid setSize:NSSizeFromCGSize([gridLayer bounds].size)];
+ [gridLayer setNeedsDisplay];
+ [graphLayer setNeedsDisplay];
+ [hudLayer setNeedsDisplay];
+
+ NSEnumerator *e = [edgeControlLayers objectEnumerator];
+ CALayer *layer;
+ while (layer = [e nextObject]) {
+ [layer setFrame:[graphLayer frame]];
+ [layer setNeedsDisplay];
+ }
+}
+
+
+- (void)viewDidEndLiveResize {
+ [super viewDidEndLiveResize];
+ NSPoint o = [transformer origin];
+ o.x += round(([self bounds].size.width - oldBounds.size.width)/2.0f);
+ o.y += round(([self bounds].size.height - oldBounds.size.height)/2.0f);
+ [transformer setOrigin:o];
+ oldBounds = [self bounds];
+ [self refreshLayers];
+}
+
+- (void)applyStyleToSelectedNodes:(NodeStyle*)style {
+ NSString *oldTikz = [graph tikz];
+
+ for (Node *n in [pickSupport selectedNodes]) {
+ [n setStyle:style];
+ [[nodeLayers objectForKey:n] setNeedsDisplay];
+ }
+
+ [self registerUndo:oldTikz withActionName:@"Apply Style to Nodes"];
+ [self refreshLayers];
+ [self postGraphChange];
+}
+
+- (void)applyStyleToSelectedEdges:(EdgeStyle*)style {
+ NSString *oldTikz = [graph tikz];
+
+ for (Edge *e in [pickSupport selectedEdges]) {
+ [e setStyle:style];
+ }
+
+ [self registerUndo:oldTikz withActionName:@"Apply Style to Edges"];
+ [self refreshLayers];
+ [self postGraphChange];
+}
+
+- (void)addNodeLayers:(Node*)n {
+ // add a node to the graph
+ [graph addNode:n];
+
+ NSPoint pt = [transformer toScreen:[n point]];
+
+ // add a node layer
+ NodeLayer *nl = [[NodeLayer alloc] initWithNode:n transformer:transformer];
+ [nl setCenter:pt];
+ [nodeLayers setObject:nl forKey:n];
+ [graphLayer addSublayer:nl];
+ [nl setNeedsDisplay];
+}
+
+- (void)removeNodeLayers:(Node*)n {
+ [[nodeLayers objectForKey:n] removeFromSuperlayer];
+ [nodeLayers removeObjectForKey:n];
+}
+
+- (void)addEdgeLayers:(Edge *)e {
+ [graph addEdge:e];
+ EdgeControlLayer *ecl = [[EdgeControlLayer alloc] initWithEdge:e andTransformer:transformer];
+ [edgeControlLayers setObject:ecl forKey:e];
+ [ecl setFrame:CGRectMake(10, 10, 100, 100)];
+ [hudLayer addSublayer:ecl];
+ [ecl setNeedsDisplay];
+}
+
+- (void)removeEdgeLayers:(Edge*)e {
+ [[edgeControlLayers objectForKey:e] removeFromSuperlayer];
+ [edgeControlLayers removeObjectForKey:e];
+ [self refreshLayers];
+}
+
+- (BOOL)circleWithCenter:(NSPoint)center andRadius:(float)radius containsPoint:(NSPoint)p {
+ float dx = center.x - p.x;
+ float dy = center.y - p.y;
+ return (dx*dx + dy*dy) <= radius*radius;
+}
+
+- (BOOL)node:(Node*)node containsPoint:(NSPoint)p {
+ NodeLayer *nl = [nodeLayers objectForKey:node];
+ return [nl nodeContainsPoint:p];
+}
+
+- (BOOL)edge:(Edge*)edge containsPoint:(NSPoint)p {
+// NSPoint center = [transformer toScreen:edge.mid];
+// float dx = center.x - p.x;
+// float dy = center.y - p.y;
+// float radius = 5.0f; // tolerence for clicks
+// return (dx*dx + dy*dy) <= radius*radius;
+
+ CGContextRef ctx = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
+
+ // Save the graphics state before doing the hit detection.
+ CGContextSaveGState(ctx);
+
+ NSPoint src = [transformer toScreen:[[edge source] point]];
+ NSPoint targ = [transformer toScreen:[[edge target] point]];
+ NSPoint cp1 = [transformer toScreen:[edge cp1]];
+ NSPoint cp2 = [transformer toScreen:[edge cp2]];
+
+ CGContextSetLineWidth(ctx, 8.0f);
+
+ CGContextMoveToPoint(ctx, src.x, src.y);
+ CGContextAddCurveToPoint(ctx, cp1.x, cp1.y, cp2.x, cp2.y, targ.x, targ.y);
+
+ BOOL containsPoint = CGContextPathContainsPoint(ctx, NSPointToCGPoint(p), kCGPathStroke);
+
+ CGContextSetRGBStrokeColor(ctx, 0, 0, 0, 0);
+
+ CGContextStrokePath(ctx);
+ //CGContextFlush(ctx);
+ CGContextRestoreGState(ctx);
+
+ return containsPoint;
+}
+
+- (void)shiftNodes:(NSSet*)set from:(NSPoint)source to:(NSPoint)dest {
+ float dx = dest.x - source.x;
+ float dy = dest.y - source.y;
+
+ for (Node *n in set) {
+ NSPoint p = [transformer toScreen:[n point]];
+ p = [grid snapScreenPoint:NSMakePoint(p.x+dx, p.y+dy)];
+ [n setPoint:[transformer fromScreen:p]];
+ }
+}
+
+
+- (void)mouseDown:(NSEvent*)theEvent {
+ if (!enabled) return;
+
+ [self updateMouseMode];
+
+ dragOrigin = [self convertPoint:[theEvent locationInWindow] fromView:nil];
+ dragTarget = dragOrigin;
+
+ graphTikzOnMouseDown = [graph tikz];
+
+ if ([theEvent modifierFlags] & NSCommandKeyMask) {
+ oldTransformerOrigin = [transformer origin];
+ oldMainOrigin = [self frame].origin;
+ frameMoveMode = YES;
+ return;
+ }
+
+ if (mouseMode == SelectMode) {
+ [selectionLayer setActive:YES];
+ [selectionLayer setSelectBox:NSRectAroundPoints(dragOrigin, dragOrigin)];
+ [selectionLayer setNeedsDisplay];
+
+ modifyEdge = nil;
+ NSPoint cp1, cp2;
+ for (Edge *e in [pickSupport selectedEdges]) {
+ cp1 = [transformer toScreen:[e cp1]];
+ cp2 = [transformer toScreen:[e cp2]];
+ if ([self circleWithCenter:cp1
+ andRadius:[EdgeControlLayer handleRadius]
+ containsPoint:dragOrigin])
+ {
+ mouseMode = SelectEdgeBendMode;
+ modifyEdge = e;
+ firstControlPoint = YES;
+ break;
+ } else if ([self circleWithCenter:cp2
+ andRadius:[EdgeControlLayer handleRadius]
+ containsPoint:dragOrigin])
+ {
+ mouseMode = SelectEdgeBendMode;
+ modifyEdge = e;
+ firstControlPoint = NO;
+ break;
+ }
+ }
+
+ if (modifyEdge == nil) { // skip all the rest if we're modifying an edge
+
+ leaderNode = nil;
+
+ // in first pass, try to find a leader node, under the mouse
+ for (Node* n in [graph nodes]) {
+ if ([self node:n containsPoint:dragOrigin]) {
+ leaderNode = n;
+ [gridLayer setOpacity:1.0f];
+ break;
+ }
+ }
+
+ // if we found one, deselect the others (if appropriate) and go to move mode
+ if (leaderNode != nil) {
+ startPoint = [leaderNode point];
+
+ // if we select a node, we should always deselect all edges:
+ for (Edge *e in [graph edges]) [[edgeControlLayers objectForKey:e] deselect];
+ [pickSupport deselectAllEdges];
+
+ BOOL shouldDeselect =
+ !([theEvent modifierFlags] & NSShiftKeyMask)
+ && ![pickSupport isNodeSelected:leaderNode];
+ for (Node *n in [graph nodes]) {
+ if (n != leaderNode && shouldDeselect) {
+ [pickSupport deselectNode:n];
+ [[[nodeLayers objectForKey:n] selection] deselect];
+ }
+ }
+
+ // ensure the leader node is actually selected
+ if (![pickSupport isNodeSelected:leaderNode]) {
+ [pickSupport selectNode:leaderNode];
+ [[[nodeLayers objectForKey:leaderNode] selection] select];
+ }
+
+
+ // put us in move mode
+ mouseMode = SelectMoveMode;
+ } else {
+ mouseMode = SelectBoxMode;
+
+ // if we didn't select a node, start hunting for an edge to select
+ BOOL shouldDeselect = !([theEvent modifierFlags] & NSShiftKeyMask);
+
+ if (shouldDeselect) {
+ [pickSupport deselectAllEdges];
+ for (Edge *e in graph.edges) [[edgeControlLayers objectForKey:e] deselect];
+ }
+
+ for (Edge* e in [graph edges]) {
+ // find the first node under the pointer, select it, show its controls
+ // and deselect all others if shift isn't down
+ if ([self edge:e containsPoint:dragOrigin]) {
+ for (Node *n in [pickSupport selectedNodes]) [[[nodeLayers objectForKey:n] selection] deselect];
+
+ [pickSupport deselectAllNodes];
+ [pickSupport selectEdge:e];
+ [[edgeControlLayers objectForKey:e] select];
+ break;
+ }
+ } // end for e in [graph edges]
+ } // end if leaderNode == nil
+ } // end if modifyEdge == nil
+
+ } else if (mouseMode == NodeMode) {
+ // do nothing...
+ } else if (mouseMode == EdgeMode) {
+ for (Node *n in [graph nodes]) {
+ if ([self node:n containsPoint:dragOrigin]) {
+ [[[nodeLayers objectForKey:n] selection] highlight];
+ }
+ }
+ mouseMode = EdgeDragMode;
+ } else if (mouseMode == CropMode) {
+ if ([graph hasBoundingBox]) {
+ float fudge = 3;
+
+ NSRect bb = [graph boundingBox];
+ NSPoint bl = [transformer toScreen:bb.origin];
+ NSPoint tr = [transformer
+ toScreen:NSMakePoint(bb.origin.x+bb.size.width,
+ bb.origin.y+bb.size.height)];
+ if (dragOrigin.x > bl.x-fudge && dragOrigin.x < tr.x+fudge &&
+ dragOrigin.y > tr.y-fudge && dragOrigin.y < tr.y+fudge)
+ {
+ bboxBottomTop = 1;
+ } else if (dragOrigin.x > bl.x-fudge && dragOrigin.x < tr.x+fudge &&
+ dragOrigin.y > bl.y-fudge && dragOrigin.y < bl.y+fudge)
+ {
+ bboxBottomTop = -1;
+ } else {
+ bboxBottomTop = 0;
+ }
+
+ if (dragOrigin.y > bl.y-fudge && dragOrigin.y < tr.y+fudge &&
+ dragOrigin.x > tr.x-fudge && dragOrigin.x < tr.x+fudge)
+ {
+ bboxLeftRight = 1;
+ } else if (dragOrigin.y > bl.y-fudge && dragOrigin.y < tr.y+fudge &&
+ dragOrigin.x > bl.x-fudge && dragOrigin.x < bl.x+fudge)
+ {
+ bboxLeftRight = -1;
+ } else {
+ bboxLeftRight = 0;
+ }
+
+ if (bboxBottomTop != 0 || bboxLeftRight != 0) {
+ mouseMode = CropDragMode;
+ }
+ }
+ } else {
+ printf("WARNING: MOUSE DOWN IN INVALID MODE.\n");
+ }
+
+ [self refreshLayers];
+}
+
+- (void)mouseDragged:(NSEvent *)theEvent {
+ if (!enabled) return;
+ dragTarget = [self convertPoint:[theEvent locationInWindow] fromView:nil];
+
+ if (frameMoveMode) {
+ NSPoint newTransOrigin, newMainOrigin;
+ NSPoint diff = NSMakePoint(dragTarget.x - dragOrigin.x, dragTarget.y - dragOrigin.y);
+ newTransOrigin.x = oldTransformerOrigin.x + diff.x;
+ newTransOrigin.y = oldTransformerOrigin.y + diff.y;
+ newMainOrigin.x = oldMainOrigin.x + diff.x;
+ newMainOrigin.y = oldMainOrigin.y + diff.y;
+
+ [CATransaction begin];
+ [CATransaction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions];
+ [self setMainOrigin:newMainOrigin];
+ [CATransaction commit];
+
+ [transformer setOrigin:newTransOrigin];
+ return;
+ }
+
+ if (mouseMode == SelectBoxMode) {
+ [selectionLayer setSelectBox:NSRectAroundPoints(dragOrigin, dragTarget)];
+ [selectionLayer setNeedsDisplay];
+
+ for (Node* n in [graph nodes]) {
+ if (NSPointInRect([transformer toScreen:[n point]], [selectionLayer selectBox])) {
+ [[[nodeLayers objectForKey:n] selection] highlight];
+ } else if (!([theEvent modifierFlags] & NSShiftKeyMask)) {
+ [[[nodeLayers objectForKey:n] selection] unhighlight];
+ }
+ }
+ } else if (mouseMode == SelectMoveMode) {
+ if (leaderNode != nil) {
+ [self shiftNodes:[pickSupport selectedNodes]
+ from:[transformer toScreen:[leaderNode point]]
+ to:dragTarget];
+ } else {
+ printf("WARNING: LEADER NODE SHOULD NOT BE NIL.\n");
+ }
+
+ [self refreshLayers];
+ } else if (mouseMode == SelectEdgeBendMode) {
+ NSPoint src = [transformer toScreen:[[modifyEdge source] point]];
+ NSPoint targ = [transformer toScreen:[[modifyEdge target] point]];
+ float dx1 = targ.x - src.x;
+ float dy1 = targ.y - src.y;
+ float dx2, dy2;
+ if (firstControlPoint) {
+ dx2 = dragTarget.x - src.x;
+ dy2 = dragTarget.y - src.y;
+ } else {
+ dx2 = dragTarget.x - targ.x;
+ dy2 = dragTarget.y - targ.y;
+ }
+ float base_dist = sqrt(dx1*dx1 + dy1*dy1);
+ float handle_dist = sqrt(dx2*dx2 + dy2*dy2);
+ float wcourseness = 0.1f;
+
+ if (![modifyEdge isSelfLoop]) {
+ if (base_dist != 0) {
+ [modifyEdge setWeight:roundToNearest(wcourseness, handle_dist/base_dist)];
+ //round(handle_dist / (base_dist*wcourseness)) * wcourseness;
+ } else {
+ [modifyEdge setWeight:
+ roundToNearest(wcourseness, [transformer scaleFromScreen:handle_dist])];
+ }
+ }
+
+
+ float control_angle = good_atan(dx2, dy2);
+
+ int bcourseness = 15;
+
+ if ([modifyEdge bendMode] == EdgeBendModeBasic) {
+ float bnd;
+ float base_angle = good_atan(dx1, dy1);
+ if (firstControlPoint) {
+ bnd = base_angle - control_angle;
+ } else {
+ bnd = control_angle - base_angle + pi;
+ if (bnd > pi) bnd -= 2*pi;
+ }
+
+ [modifyEdge setBend:round(bnd * (180.0f / pi) *
+ (1.0f / (float)bcourseness)) *
+ bcourseness];
+ } else {
+ int bnd = round(control_angle * (180.0f / pi) *
+ (1.0f / (float)bcourseness)) *
+ bcourseness;
+ if (firstControlPoint) {
+ if ([theEvent modifierFlags] & NSAlternateKeyMask) {
+ if ([modifyEdge isSelfLoop]) {
+ [modifyEdge setInAngle:[modifyEdge inAngle] +
+ (bnd - [modifyEdge outAngle])];
+ } else {
+ [modifyEdge setInAngle:[modifyEdge inAngle] -
+ (bnd - [modifyEdge outAngle])];
+ }
+ }
+
+ [modifyEdge setOutAngle:bnd];
+ } else {
+ if (theEvent.modifierFlags & NSAlternateKeyMask) {
+ if ([modifyEdge isSelfLoop]) {
+ [modifyEdge setOutAngle:[modifyEdge outAngle] +
+ (bnd - [modifyEdge inAngle])];
+ } else {
+ [modifyEdge setOutAngle:[modifyEdge outAngle] -
+ (bnd - [modifyEdge inAngle])];
+ }
+ }
+
+ [modifyEdge setInAngle:bnd];
+ }
+ }
+
+ [self refreshLayers];
+ } else if (mouseMode == NodeMode) {
+ // do nothing...
+ } else if (mouseMode == EdgeDragMode) {
+ for (Node *n in [graph nodes]) {
+ if ([self node:n containsPoint:dragOrigin] ||
+ [self node:n containsPoint:dragTarget])
+ {
+ [[[nodeLayers objectForKey:n] selection] highlight];
+ } else {
+ [[[nodeLayers objectForKey:n] selection] unhighlight];
+ }
+ }
+
+ [self refreshLayers];
+ } else if (mouseMode == CropMode || mouseMode == CropDragMode) {
+ NSPoint p1 = [transformer fromScreen:[grid snapScreenPoint:dragOrigin]];
+ NSPoint p2 = [transformer fromScreen:[grid snapScreenPoint:dragTarget]];
+
+ NSRect bbox;
+ if (mouseMode == CropDragMode) {
+ bbox = [graph boundingBox];
+ if (bboxBottomTop == -1) {
+ float dy = p2.y - bbox.origin.y;
+ bbox.origin.y += dy;
+ bbox.size.height -= dy;
+ } else if (bboxBottomTop == 1) {
+ float dy = p2.y - (bbox.origin.y + bbox.size.height);
+ bbox.size.height += dy;
+ }
+
+ if (bboxLeftRight == -1) {
+ float dx = p2.x - bbox.origin.x;
+ bbox.origin.x += dx;
+ bbox.size.width -= dx;
+ } else if (bboxLeftRight == 1) {
+ float dx = p2.x - (bbox.origin.x + bbox.size.width);
+ bbox.size.width += dx;
+ }
+ } else {
+ bbox = NSRectAroundPoints(p1, p2);
+ }
+
+ [graph setBoundingBox:bbox];
+ [self postGraphChange];
+ [self refreshLayers];
+ } else {
+ printf("WARNING: MOUSE DRAGGED IN INVALID MODE.\n");
+ }
+}
+
+- (void)mouseUp:(NSEvent*)theEvent {
+ if (!enabled) return;
+
+ if (frameMoveMode) {
+ [CATransaction begin];
+ [CATransaction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions];
+ [self resetMainOrigin];
+ [self refreshLayers];
+ [CATransaction commit];
+ frameMoveMode = NO;
+ return;
+ }
+
+ dragTarget = [self convertPoint:[theEvent locationInWindow] fromView:nil];
+
+ if ((mouseMode & SelectMode) == SelectMode && [theEvent clickCount] == 2) {
+ for (Edge *e in [graph edges]) {
+ if ([self edge:e containsPoint:dragTarget]) {
+ if ([e bendMode] == EdgeBendModeBasic) {
+ [e convertBendToAngles];
+ [e setBendMode:EdgeBendModeInOut];
+ } else {
+ [e convertAnglesToBend];
+ [e setBendMode:EdgeBendModeBasic];
+ }
+
+ [self registerUndo:graphTikzOnMouseDown withActionName:@"Change Edge Mode"];
+ [self postGraphChange];
+ break;
+ }
+ }
+ }
+
+ if (mouseMode == SelectBoxMode) {
+ for (Node* n in [graph nodes]) {
+ if (NSPointInRect([transformer toScreen:[n point]], [selectionLayer selectBox])) {
+ [pickSupport selectNode:n];
+ [[[nodeLayers objectForKey:n] selection] select];
+ } else if (!([theEvent modifierFlags] & NSShiftKeyMask)) {
+ [pickSupport deselectNode:n];
+ [[[nodeLayers objectForKey:n] selection] deselect];
+ }
+ }
+
+ [selectionLayer setActive:NO];
+ [selectionLayer setNeedsDisplay];
+ [self postSelectionChange];
+
+ mouseMode = SelectMode;
+ } else if (mouseMode == SelectMoveMode) {
+ [gridLayer setOpacity:0.3f];
+
+ if (dragTarget.x != dragOrigin.x || dragTarget.y != dragOrigin.y) {
+ [self registerUndo:graphTikzOnMouseDown withActionName:@"Shift Nodes"];
+ }
+
+ leaderNode = nil;
+
+ [self postGraphChange];
+ mouseMode = SelectMode;
+ } else if (mouseMode == SelectEdgeBendMode) {
+ [self registerUndo:graphTikzOnMouseDown withActionName:@"Adjust Edge"];
+ [self postGraphChange];
+ mouseMode = SelectMode;
+ modifyEdge = nil;
+ } else if (mouseMode == NodeMode) {
+ NSPoint coords = [transformer fromScreen:[grid snapScreenPoint:dragTarget]];
+ Node *n = [Node nodeWithPoint:coords];
+ [n setStyle:[stylePaletteController activeNodeStyle]];
+ [graph addNode:n];
+
+ [self registerUndo:graphTikzOnMouseDown withActionName:@"Add Node"];
+
+ [self addNodeLayers:n];
+ [self postGraphChange];
+ } else if (mouseMode == EdgeDragMode) {
+ Node *src = nil;
+ Node *targ = nil;
+ BOOL found = NO; // don't break the loop until everything is unhighlighted
+ for (Node *n in [graph nodes]) {
+ [[[nodeLayers objectForKey:n] selection] unhighlight];
+ if (!found) {
+ if ([self node:n containsPoint:dragOrigin]) src = n;
+ if ([self node:n containsPoint:dragTarget]) targ = n;
+ if (src != nil && targ != nil) {
+ Edge *e = [Edge edgeWithSource:src andTarget:targ];
+ [e setStyle:[stylePaletteController activeEdgeStyle]];
+ [graph addEdge:e];
+ [self registerUndo:graphTikzOnMouseDown withActionName:@"Add Edge"];
+ [self addEdgeLayers:e];
+ found = YES;
+ }
+ }
+ }
+
+ [self postGraphChange];
+ mouseMode = EdgeMode;
+ } else if (mouseMode == CropMode || mouseMode == CropDragMode) {
+ if (dragOrigin.x == dragTarget.x && dragOrigin.y == dragTarget.y) {
+ [graph setBoundingBox:NSMakeRect(0, 0, 0, 0)];
+ [self registerUndo:graphTikzOnMouseDown withActionName:@"Clear Bounding Box"];
+ [self postGraphChange];
+ } else {
+ [self registerUndo:graphTikzOnMouseDown withActionName:@"Change Bounding Box"];
+ }
+
+ mouseMode = CropMode;
+ } else {
+ if (! ([theEvent modifierFlags] & NSCommandKeyMask))
+ printf("WARNING: MOUSE UP IN INVALID MODE.\n");
+ }
+
+ [self refreshLayers];
+}
+
+- (void)drawNode:(Node*)nd onLayer:(CALayer*)layer inContext:(CGContextRef)context {
+ NSPoint pt = [transformer toScreen:[nd point]];
+
+ NodeLayer *nl = [nodeLayers objectForKey:nd];
+ //[nl setStrokeWidth:2.0f];
+ [nl setCenter:pt andAnimateWhen:(mouseMode != SelectMoveMode)];
+}
+
+- (void)drawEdge:(Edge*)e onLayer:(CALayer*)layer inContext:(CGContextRef)context {
+ CGContextSaveGState(context);
+ NSPoint src = [transformer toScreen:[[e source] point]];
+ NSPoint targ = [transformer toScreen:[[e target] point]];
+ NSPoint cp1 = [transformer toScreen:[e cp1]];
+ NSPoint cp2 = [transformer toScreen:[e cp2]];
+
+ // all nodes have the same radius. this will need to be fixed
+ float sradius = 0;//(slayer.ghost) ? 0 : slayer.radius;
+ float tradius = 0;//(tlayer.ghost) ? 0 : tlayer.radius;
+
+ float sdx = cp1.x - src.x;
+ float sdy = cp1.y - src.y;
+ float sdist = sqrt(sdx*sdx + sdy*sdy);
+ float sshortx = (sdist==0) ? 0 : sdx/sdist * sradius;
+ float sshorty = (sdist==0) ? 0 : sdy/sdist * sradius;
+
+ float tdx = cp2.x - targ.x;
+ float tdy = cp2.y - targ.y;
+ float tdist = sqrt(tdx*tdx + tdy*tdy);
+ float tshortx = (tdist==0) ? 0 : tdx/sdist * tradius;
+ float tshorty = (tdist==0) ? 0 : tdy/sdist * tradius;
+
+ CGContextMoveToPoint(context, src.x+sshortx, src.y+sshorty);
+ CGContextAddCurveToPoint(context, cp1.x, cp1.y, cp2.x, cp2.y, targ.x+tshortx, targ.y+tshorty);
+
+ if ([e style] != nil) {
+ NSPoint p1,p2,p3;
+
+ // draw edge decoration
+ switch ([[e style] decorationStyle]) {
+ case ED_None:
+ break;
+ case ED_Tick:
+ p1 = [transformer toScreen:[e leftNormal]];
+ p2 = [transformer toScreen:[e rightNormal]];
+ CGContextMoveToPoint(context, p1.x, p1.y);
+ CGContextAddLineToPoint(context, p2.x, p2.y);
+ break;
+ case ED_Arrow:
+ p1 = [transformer toScreen:[e leftNormal]];
+ p2 = [transformer toScreen:[e midTan]];
+ p3 = [transformer toScreen:[e rightNormal]];
+ CGContextMoveToPoint(context, p1.x, p1.y);
+ CGContextAddLineToPoint(context, p2.x, p2.y);
+ CGContextAddLineToPoint(context, p3.x, p3.y);
+ break;
+ }
+ }
+
+
+ // OLD DRAW TICK CODE:
+ // float dx = targ.x - src.x;
+ // float dy = targ.y - src.y;
+ // float dist = sqrt(dx*dx+dy*dy);
+ // if (dist!=0) {
+ // CGContextMoveToPoint(context,
+ // round(mid.x + 4.0f * dy/dist),
+ // round(mid.y - 4.0f * dx/dist));
+ // CGContextAddLineToPoint(context,
+ // round(mid.x - 4.0f * dy/dist),
+ // round(mid.y + 4.0f * dx/dist));
+ // }
+
+
+ float lineWidth = [transformer scaleToScreen:0.04f];
+
+ CGContextSetLineWidth(context, lineWidth);
+ CGContextSetRGBStrokeColor(context, 0, 0, 0, 1);
+ CGContextStrokePath(context);
+
+ CGContextRestoreGState(context);
+
+ if ([e hasEdgeNode]) {
+ Node *en = [e edgeNode];
+ NSPoint mid = [transformer toScreen:[e mid]];
+ if (![[en label] isEqual:@""]) {
+ [layer drawLabel:[en label]
+ atPoint:mid
+ inContext:context
+ usingTrans:transformer];
+ }
+ }
+
+ EdgeControlLayer *ecl = [edgeControlLayers objectForKey:e];
+ [ecl setNeedsDisplay];
+}
+
+
+// draw the graph layer
+-(void)drawLayer:(CALayer *)layer inContext:(CGContextRef)context {
+ for (Edge* e in [graph edges]) [self drawEdge:e onLayer:layer inContext:context];
+
+ for (Node* n in [graph nodes]) [self drawNode:n onLayer:layer inContext:context];
+
+ if ([graph hasBoundingBox]) {
+ CGRect bbox = NSRectToCGRect(NSIntegralRect(
+ [transformer rectToScreen:[graph boundingBox]]));
+ CGContextSetRGBStrokeColor(context, 1.0f, 0.7f, 0.5f, 1.0f);
+ CGContextSetLineWidth(context, 1.0f);
+ CGContextSetShouldAntialias(context, NO);
+ CGContextStrokeRect(context, bbox);
+ CGContextSetShouldAntialias(context, YES);
+ }
+
+ if (mouseMode == EdgeDragMode) {
+ CGContextMoveToPoint(context, dragOrigin.x, dragOrigin.y);
+ CGContextAddLineToPoint(context, dragTarget.x, dragTarget.y);
+ CGContextSetLineWidth(context, 2);
+ CGContextSetRGBStrokeColor(context, 0, 0, 1, 1);
+ CGContextStrokePath(context);
+ }
+}
+
+// if enabled, suppress the default "bonk" behaviour on key presses
+- (void)keyDown:(NSEvent *)theEvent {
+ if (!enabled) [super keyDown:theEvent];
+}
+
+- (void)delete:(id)sender {
+ BOOL didDelete = NO;
+ NSString *oldTikz = [graph tikz];
+
+ if ([[pickSupport selectedNodes] count] != 0) {
+ GraphChange *change = [graph removeNodes:[pickSupport selectedNodes]];
+ for (Node *n in [change affectedNodes]) [self removeNodeLayers:n];
+ for (Edge *e in [change affectedEdges]) [self removeEdgeLayers:e];
+
+ [self refreshLayers];
+ [self postGraphChange];
+ didDelete = YES;
+ }
+
+ if ([[pickSupport selectedEdges] count] != 0) {
+ [graph removeEdges:[pickSupport selectedEdges]];
+ for (Edge *e in [pickSupport selectedEdges]) [self removeEdgeLayers:e];
+ [self refreshLayers];
+ [self postGraphChange];
+ didDelete = YES;
+ }
+
+ [pickSupport deselectAllNodes];
+ [pickSupport deselectAllEdges];
+
+ if (didDelete) [self registerUndo:oldTikz withActionName:@"Delete Nodes or Edges"];
+}
+
+- (void)keyUp:(NSEvent *)theEvent {
+ if (!enabled) return;
+
+ id sender = self;
+ switch ([theEvent keyCode]) {
+ case 51: // delete
+ [self delete:sender]; // "self" is the sender
+ break;
+ case 1: // S
+ [toolPaletteController setSelectedTool:TikzToolSelect];
+ break;
+ case 45: // N
+ case 9: // V
+ [toolPaletteController setSelectedTool:TikzToolNode];
+ break;
+ case 14: // E
+ [toolPaletteController setSelectedTool:TikzToolEdge];
+ //[self updateMouseMode];
+ break;
+ case 40: // K
+ [toolPaletteController setSelectedTool:TikzToolCrop];
+ break;
+ }
+ [self refreshLayers];
+}
+
+
+- (void)deselectAll:(id)sender {
+ [pickSupport deselectAllNodes];
+ [pickSupport deselectAllEdges];
+
+ for (Node *n in [graph nodes]) {
+ [[[nodeLayers objectForKey:n] selection] deselect];
+ }
+
+ for (Edge *e in [graph edges]) {
+ [[edgeControlLayers objectForKey:e] deselect];
+ }
+
+ [self postSelectionChange];
+}
+
+- (void)selectAll:(id)sender {
+ [pickSupport selectAllNodes:graph.nodes];
+
+ for (Node *n in [graph nodes]) {
+ [[[nodeLayers objectForKey:n] selection] select];
+ }
+
+ [self postSelectionChange];
+}
+
+
+- (void)updateMouseMode {
+ switch (toolPaletteController.selectedTool) {
+ case TikzToolSelect:
+ mouseMode = SelectMode;
+ break;
+ case TikzToolNode:
+ mouseMode = NodeMode;
+ break;
+ case TikzToolEdge:
+ mouseMode = EdgeMode;
+ break;
+ case TikzToolCrop:
+ mouseMode = CropMode;
+ break;
+ }
+}
+
+- (void)setDocumentUndoManager:(NSUndoManager *)um {
+ documentUndoManager = um;
+}
+
+- (void)copy:(id)sender {
+ if ([pickSupport selectedNodes].count != 0) {
+ Graph *clip = [graph copyOfSubgraphWithNodes:[pickSupport selectedNodes]];
+ NSString *tikz = [clip tikz];
+ NSData *data = [tikz dataUsingEncoding:NSUTF8StringEncoding];
+ //NSLog(@"about to copy: %@", tikz);
+ NSPasteboard *cb = [NSPasteboard generalPasteboard];
+ [cb declareTypes:[NSArray arrayWithObject:@"tikzpicture"] owner:self];
+ [cb setData:data forType:@"tikzpicture"];
+ }
+}
+
+- (void)cut:(id)sender {
+ if ([[pickSupport selectedNodes] count] != 0) {
+ [self copy:sender];
+ [self delete:sender];
+
+ // otherwise, menu will say "Undo Delete Graph"
+ [documentUndoManager setActionName:@"Cut Graph"];
+ }
+}
+
+- (void)paste:(id)sender {
+ NSPasteboard *cb = [NSPasteboard generalPasteboard];
+ NSString *type = [cb availableTypeFromArray:[NSArray arrayWithObject:@"tikzpicture"]];
+ if (type) {
+ NSData *data = [cb dataForType:type];
+ NSString *tikz = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+ //NSLog(@"pasting tikz:\n%@",tikz);
+ TikzGraphAssembler *ass = [[TikzGraphAssembler alloc] init];
+ if ([ass parseTikz:tikz]) {
+ //NSLog(@"tikz pasted:\n%@",tikz);
+ Graph *clip = [ass graph];
+
+ NSRect graphBounds = [graph bounds];
+ NSRect clipBounds = [clip bounds];
+ float dx = graphBounds.origin.x +
+ graphBounds.size.width -
+ clipBounds.origin.x + 0.5f;
+ [clip shiftNodes:[clip nodes] byPoint:NSMakePoint(dx, 0)];
+
+ if ([[clip nodes] count] != 0) {
+ NSString *oldTikz = [graph tikz];
+ [self deselectAll:self];
+
+ // select everything from the clipboard
+ for (Node *n in [clip nodes]) {
+ [n attachStyleFromTable:[stylePaletteController nodeStyles]];
+ [self addNodeLayers:n];
+ [pickSupport selectNode:n];
+ [[[nodeLayers objectForKey:n] selection] select];
+ }
+
+ for (Edge *e in [clip edges]) {
+ [e attachStyleFromTable:[stylePaletteController edgeStyles]];
+ [self addEdgeLayers:e];
+ }
+
+ [graph insertGraph:clip];
+
+ [self registerUndo:oldTikz withActionName:@"Paste Graph"];
+ [self refreshLayers];
+ [self postGraphChange];
+ }
+ } else {
+ NSLog(@"Error: couldn't parse tikz picture from clipboard.");
+ }
+
+ }
+}
+
+- (void)flipHorizonal:(id)sender {
+ NSString *oldTikz = [graph tikz];
+ [graph flipHorizontalNodes:[pickSupport selectedNodes]];
+ [self registerUndo:oldTikz withActionName:@"Flip Horizontal"];
+ [self postGraphChange];
+ [self refreshLayers];
+}
+
+- (void)flipVertical:(id)sender {
+ NSString *oldTikz = [graph tikz];
+ [graph flipVerticalNodes:[pickSupport selectedNodes]];
+ [self registerUndo:oldTikz withActionName:@"Flip Vertical"];
+ [self postGraphChange];
+ [self refreshLayers];
+}
+
+- (void)reverseEdgeDirection:(id)sender {
+ NSString *oldTikz = [graph tikz];
+
+ NSSet *es;
+ if ([[pickSupport selectedEdges] count] != 0) {
+ es = [pickSupport selectedEdges];
+ } else {
+ es = [graph incidentEdgesForNodes:[pickSupport selectedNodes]];
+ }
+
+ for (Edge *e in es) [e reverse];
+
+ [self registerUndo:oldTikz withActionName:@"Flip Edge Direction"];
+ [self postGraphChange];
+ [self refreshLayers];
+}
+
+- (BOOL)acceptsFirstResponder { return YES; }
+- (BOOL)acceptsFirstMouse:(NSEvent *)theEvent { return YES; }
+- (BOOL)canBecomeKeyView { return YES; }
+
+
+@end
diff --git a/tikzit/src/osx/Grid.h b/tikzit/src/osx/Grid.h
new file mode 100644
index 0000000..76826e2
--- /dev/null
+++ b/tikzit/src/osx/Grid.h
@@ -0,0 +1,48 @@
+//
+// Grid.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "Transformer.h"
+
+@interface Grid : NSObject {
+ float gridX, gridY;
+ //float gridCellX, gridCellY;
+ int subdivisions;
+ Transformer *transformer;
+ NSSize size;
+}
+
+@property NSSize size;
+
+- (id)initWithSpacing:(float)spacing subdivisions:(int)subs transformer:(Transformer*)t;
++ (Grid*)gridWithSpacing:(float)spacing subdivisions:(int)subs transformer:(Transformer*)t;
+- (NSPoint)snapScreenPoint:(NSPoint)p;
+- (float)gridX;
+- (float)gridY;
+- (int)subdivisions;
+- (void)setSubdivisions:(int)subs;
+
+// Grid can also draw itself on a layer
+- (void)drawLayer:(CALayer *)layer inContext:(CGContextRef)ctx;
+
+@end
diff --git a/tikzit/src/osx/Grid.m b/tikzit/src/osx/Grid.m
new file mode 100644
index 0000000..3e412a3
--- /dev/null
+++ b/tikzit/src/osx/Grid.m
@@ -0,0 +1,152 @@
+//
+// Grid.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Grid.h"
+
+
+@implementation Grid
+
+@synthesize size;
+
+- (id)initWithSpacing:(float)spacing
+ subdivisions:(int)subs
+ transformer:(Transformer*)t
+{
+ [super init];
+ gridX = spacing;
+ gridY = spacing;
+ subdivisions = subs;
+ size.width = 0;
+ size.height = 0;
+ transformer = t;
+ return self;
+}
+
++ (Grid*)gridWithSpacing:(float)spacing
+ subdivisions:(int)subs
+ transformer:(Transformer*)t
+{
+ return [[Grid alloc] initWithSpacing:spacing
+ subdivisions:subs
+ transformer:t];
+}
+
+- (float)gridX {
+ return gridX;
+}
+
+- (float)gridY {
+ return gridY;
+}
+
+- (int)subdivisions {
+ return subdivisions;
+}
+
+- (void)setSubdivisions:(int)subs {
+ subdivisions = subs;
+}
+
+- (NSPoint)snapScreenPoint:(NSPoint)p {
+ NSPoint snap;
+
+ float gridCellX = [transformer scaleToScreen:gridX] / (float)subdivisions;
+ float gridCellY = [transformer scaleToScreen:gridY] / (float)subdivisions;
+
+ // snap along grid lines, relative to the origin
+ snap.x = floor(((p.x-[transformer origin].x)/gridCellX)+0.5)*gridCellX + [transformer origin].x;
+ snap.y = floor(((p.y-[transformer origin].y)/gridCellY)+0.5)*gridCellY + [transformer origin].y;
+ return snap;
+}
+
+-(void)drawLayer:(CALayer *)layer inContext:(CGContextRef)context
+{
+ CGContextSaveGState(context);
+
+ CGContextSetShouldAntialias(context, NO);
+
+ float x,y;
+ float grX = [transformer scaleToScreen:gridX];
+ float grY = [transformer scaleToScreen:gridY];
+
+ float gridCellX = grX / (float)subdivisions;
+ float gridCellY = grY / (float)subdivisions;
+
+ for (x = [transformer origin].x + gridCellX; x < size.width; x += gridCellX) {
+ CGContextMoveToPoint(context, x, 0);
+ CGContextAddLineToPoint(context, x, size.height);
+ }
+
+ for (x = [transformer origin].x - gridCellX; x > 0; x -= gridCellX) {
+ CGContextMoveToPoint(context, x, 0);
+ CGContextAddLineToPoint(context, x, size.height);
+ }
+
+ for (y = [transformer origin].y + gridCellY; y < size.height; y += gridCellY) {
+ CGContextMoveToPoint(context, 0, y);
+ CGContextAddLineToPoint(context, size.width, y);
+ }
+
+ for (y = [transformer origin].y - gridCellY; y > 0; y -= gridCellY) {
+ CGContextMoveToPoint(context, 0, y);
+ CGContextAddLineToPoint(context, size.width, y);
+ }
+
+ CGContextSetRGBStrokeColor(context, 0.9, 0.9, 1, 1);
+ CGContextStrokePath(context);
+
+ for (x = [transformer origin].x + grX; x < size.width; x += grX) {
+ CGContextMoveToPoint(context, x, 0);
+ CGContextAddLineToPoint(context, x, size.height);
+ }
+
+ for (x = [transformer origin].x - grX; x > 0; x -= grX) {
+ CGContextMoveToPoint(context, x, 0);
+ CGContextAddLineToPoint(context, x, size.height);
+ }
+
+ for (y = [transformer origin].y + grY; y < size.height; y += grY) {
+ CGContextMoveToPoint(context, 0, y);
+ CGContextAddLineToPoint(context, size.width, y);
+ }
+
+ for (y = [transformer origin].y + grY; y > 0; y -= grY) {
+ CGContextMoveToPoint(context, 0, y);
+ CGContextAddLineToPoint(context, size.width, y);
+ }
+
+ CGContextSetRGBStrokeColor(context, 0.8, 0.8, 0.9, 1);
+ CGContextStrokePath(context);
+
+ CGContextMoveToPoint(context, [transformer origin].x, 0);
+ CGContextAddLineToPoint(context, [transformer origin].x, size.height);
+ CGContextMoveToPoint(context, 0, [transformer origin].y);
+ CGContextAddLineToPoint(context, size.width, [transformer origin].y);
+
+ CGContextSetRGBStrokeColor(context, 0.6, 0.6, 0.7, 1);
+ CGContextStrokePath(context);
+
+ CGContextRestoreGState(context);
+}
+
+@end
diff --git a/tikzit/src/osx/MultiCombo.h b/tikzit/src/osx/MultiCombo.h
new file mode 100644
index 0000000..c8ec769
--- /dev/null
+++ b/tikzit/src/osx/MultiCombo.h
@@ -0,0 +1,18 @@
+//
+// MultiCombo.h
+// TikZiT
+//
+// Created by Aleks Kissinger on 21/04/2011.
+// Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+
+@interface MultiCombo : NSComboBox {
+ BOOL multi;
+}
+
+@property (readwrite,assign) BOOL multi;
+
+@end
diff --git a/tikzit/src/osx/MultiCombo.m b/tikzit/src/osx/MultiCombo.m
new file mode 100644
index 0000000..8930460
--- /dev/null
+++ b/tikzit/src/osx/MultiCombo.m
@@ -0,0 +1,38 @@
+//
+// MultiCombo.m
+// TikZiT
+//
+// Created by Aleks Kissinger on 21/04/2011.
+// Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "MultiCombo.h"
+
+
+@implementation MultiCombo
+
+- (void)textDidChange:(NSNotification *)notification {
+ [super textDidChange:notification];
+ [self setMulti:NO];
+}
+
+- (void)setMulti:(BOOL)m {
+ multi = m;
+ if (multi) {
+ [self setTextColor:[NSColor grayColor]];
+ [self setStringValue:@"multiple values"];
+ }
+}
+
+- (BOOL)multi { return multi; }
+
+- (BOOL)becomeFirstResponder {
+ [super becomeFirstResponder];
+ if ([self multi]) {
+ [self setTextColor:[NSColor blackColor]];
+ [self setStringValue:@""];
+ }
+ return YES;
+}
+
+@end
diff --git a/tikzit/src/osx/MultiField.h b/tikzit/src/osx/MultiField.h
new file mode 100644
index 0000000..39eeefa
--- /dev/null
+++ b/tikzit/src/osx/MultiField.h
@@ -0,0 +1,18 @@
+//
+// LabelField.h
+// TikZiT
+//
+// Created by Aleks Kissinger on 20/04/2011.
+// Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+
+@interface MultiField : NSTextField {
+ BOOL multi;
+}
+
+@property (readwrite,assign) BOOL multi;
+
+@end
diff --git a/tikzit/src/osx/MultiField.m b/tikzit/src/osx/MultiField.m
new file mode 100644
index 0000000..7c5aac3
--- /dev/null
+++ b/tikzit/src/osx/MultiField.m
@@ -0,0 +1,53 @@
+//
+// LabelField.m
+// TikZiT
+//
+// Created by Aleks Kissinger on 20/04/2011.
+// Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "MultiField.h"
+
+
+@implementation MultiField
+
+- (void)textDidChange:(NSNotification *)notification {
+ [super textDidChange:notification];
+ [self setMulti:NO];
+}
+
+- (void)setMulti:(BOOL)m {
+ multi = m;
+ if (multi) {
+ [self setTextColor:[NSColor grayColor]];
+ [self setStringValue:@"multiple values"];
+ }
+}
+
+- (BOOL)multi { return multi; }
+
+- (BOOL)becomeFirstResponder {
+ [super becomeFirstResponder];
+ if ([self multi]) {
+ [self setTextColor:[NSColor blackColor]];
+ [self setStringValue:@""];
+ }
+ return YES;
+}
+
+//- (BOOL)textShouldBeginEditing:(NSText *)textObject {
+// [super textShouldBeginEditing:textObject];
+// NSLog(@"about to type");
+// return YES;
+//}
+
+//- (void)textDidEndEditing:(NSNotification *)obj {
+// [super textDidEndEditing:obj];
+//
+// NSLog(@"focus lost");
+// if ([self multi]) {
+// [self setMulti:YES];
+// }
+//}
+
+@end
diff --git a/tikzit/src/osx/NilToEmptyStringTransformer.h b/tikzit/src/osx/NilToEmptyStringTransformer.h
new file mode 100644
index 0000000..1445a94
--- /dev/null
+++ b/tikzit/src/osx/NilToEmptyStringTransformer.h
@@ -0,0 +1,28 @@
+//
+// NilToEmptyStringTransformer.h
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface NilToEmptyStringTransformer : NSValueTransformer
+
+@end
diff --git a/tikzit/src/osx/NilToEmptyStringTransformer.m b/tikzit/src/osx/NilToEmptyStringTransformer.m
new file mode 100644
index 0000000..97267e3
--- /dev/null
+++ b/tikzit/src/osx/NilToEmptyStringTransformer.m
@@ -0,0 +1,53 @@
+//
+// NilToEmptyStringTransformer.m
+// TikZiT
+//
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "NilToEmptyStringTransformer.h"
+
+@implementation NilToEmptyStringTransformer
+
+- (id)init {
+ [super init];
+ return self;
+}
+
++ (Class)transformedValueClass {
+ return [NSString class];
+}
+
++ (BOOL)allowsReverseTransformation {
+ return YES;
+}
+
+- (id)transformedValue:(id)value {
+ if (value == nil) {
+ return @"";
+ } else {
+ return value;
+ }
+}
+
+- (id)reverseTransformedValue:(id)value {
+ return [self transformedValue:value];
+}
+
+@end
diff --git a/tikzit/src/osx/NodeLayer.h b/tikzit/src/osx/NodeLayer.h
new file mode 100644
index 0000000..dfe05e8
--- /dev/null
+++ b/tikzit/src/osx/NodeLayer.h
@@ -0,0 +1,62 @@
+//
+// NodeLayer.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <QuartzCore/CoreAnimation.h>
+#import "Transformer.h"
+#import "Shape.h"
+#import "Node.h"
+#import "NodeStyle+Coder.h"
+#import "NodeSelectionLayer.h"
+
+@interface NodeLayer : CALayer {
+ Node *node;
+ Shape *shape;
+ CGMutablePathRef path;
+ float textwidth;
+ NSPoint center;
+ Transformer *transformer;
+ Transformer *localTrans;
+ NodeSelectionLayer *selection;
+ BOOL rescale;
+ BOOL dirty; // need to rebuild CGBezierPath of the shape
+}
+
+@property Node *node;
+@property (assign) NSPoint center;
+@property (assign) BOOL rescale;
+@property (retain) NodeSelectionLayer *selection;
+@property (readonly) CGMutablePathRef path;
+
+- (id)initWithNode:(Node*)n transformer:(Transformer*)t;
+- (NSColor*)strokeColor;
+- (NSColor*)fillColor;
+- (float)strokeWidth;
+
+- (void)setCenter:(NSPoint)ctr andAnimateWhen:(BOOL)anim;
+- (void)updateFrame;
+- (BOOL)nodeContainsPoint:(NSPoint)p;
+
+- (void)drawInContext:(CGContextRef)context;
+
+@end
diff --git a/tikzit/src/osx/NodeLayer.m b/tikzit/src/osx/NodeLayer.m
new file mode 100644
index 0000000..da01bec
--- /dev/null
+++ b/tikzit/src/osx/NodeLayer.m
@@ -0,0 +1,239 @@
+//
+// NodeLayer.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "NodeLayer.h"
+#import "CALayer+DrawLabel.h"
+#import "NSString+LatexConstants.h"
+#import "Shape.h"
+#import "ShapeNames.h"
+#import "Node.h"
+#import "Edge.h"
+
+@implementation NodeLayer
+
+@synthesize node, selection, rescale;
+
+- (id)initWithNode:(Node *)n transformer:(Transformer*)t {
+ [super init];
+ node = n;
+ selection = [[NodeSelectionLayer alloc] init];
+ [selection setNodeLayer:self];
+ localTrans = [[Transformer alloc] init];
+
+ [self addSublayer:selection];
+ textwidth = 0.0f;
+ center = NSMakePoint(0.0f, 0.0f);
+ transformer = t;
+
+ path = NULL;
+ rescale = YES;
+ dirty = YES;
+
+ [self updateFrame];
+ return self;
+}
+
+- (NSColor*)strokeColor {
+ if ([node style] != nil) {
+ return [[[node style] strokeColor] colorUsingColorSpace:[NSColorSpace deviceRGBColorSpace]];
+ } else {
+ return nil;
+ }
+}
+
+- (NSColor*)fillColor {
+ if ([node style] != nil) {
+ return [[[node style] fillColor] colorUsingColorSpace:[NSColorSpace deviceRGBColorSpace]];
+ } else {
+ return nil;
+ }
+}
+
+- (float)strokeWidth {
+ if ([node style] != nil) {
+ return [node.style strokeThickness];
+ } else {
+ return 1;
+ }
+}
+
+- (NSPoint)center { return center; }
+
+- (void)setCenter:(NSPoint)ctr {
+ center.x = round(ctr.x);
+ center.y = round(ctr.y);
+ [self updateFrame];
+}
+
+- (void)setCenter:(NSPoint)ctr andAnimateWhen:(BOOL)anim {
+ [CATransaction begin];
+ if (!anim) {
+ [CATransaction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions];
+ }
+ [self setCenter:ctr];
+ [CATransaction commit];
+}
+
+- (void)updateShape {
+ Shape *s = ([node style] != nil) ?
+ [Shape shapeForName:[[node style] shapeName]] :
+ [Shape shapeForName:SHAPE_CIRCLE];
+ if (s != shape) { // straight pointer comparison
+ shape = s;
+ dirty = YES;
+ }
+}
+
+- (void)updateLocalTrans {
+ float scale = ([node style] != nil) ? [[node style] scale] : 1.0f;
+
+ Transformer *t = [Transformer transformer];
+ float rad = ([transformer scaleToScreen:scale] / 2.0f) + 8.0f;
+ [t setOrigin:NSMakePoint(rad, rad)];
+ [t setScale:[transformer scale]*((rescale)?scale:0.8f)];
+
+ if (![localTrans isEqual:t]) {
+ dirty = YES;
+ localTrans = t;
+ }
+}
+
+- (void)updateFrame {
+ [self updateLocalTrans];
+ [self updateShape];
+ float rad = [localTrans origin].x;
+ [self setFrame:CGRectIntegral(CGRectMake(center.x - rad, center.y - rad, 2*rad, 2*rad))];
+ NSRect bds = NSMakeRect(0, 0, 2*rad, 2*rad);
+ [selection setFrame:NSRectToCGRect(bds)];
+
+ [self setNeedsDisplay];
+ [selection setNeedsDisplay];
+}
+
+- (CGMutablePathRef)path {
+ if (dirty) {
+ CGMutablePathRef pth = CGPathCreateMutable();
+ NSPoint p, cp1, cp2;
+ for (NSArray *arr in [shape paths]) {
+ BOOL fst = YES;
+ for (Edge *e in arr) {
+ if (fst) {
+ fst = NO;
+ p = [localTrans toScreen:[[e source] point]];
+ CGPathMoveToPoint(pth, nil, p.x, p.y);
+ }
+
+ p = [localTrans toScreen:[[e target] point]];
+ if ([e isStraight]) {
+ CGPathAddLineToPoint(pth, nil, p.x, p.y);
+ } else {
+ cp1 = [localTrans toScreen:[e cp1]];
+ cp2 = [localTrans toScreen:[e cp2]];
+ CGPathAddCurveToPoint(pth, nil, cp1.x, cp1.y, cp2.x, cp2.y, p.x, p.y);
+ }
+ }
+
+ CGPathCloseSubpath(pth);
+ }
+
+ if (path != NULL) CFRelease(path);
+ path = pth;
+ dirty = NO;
+ }
+
+
+ return path;
+}
+
+- (BOOL)nodeContainsPoint:(NSPoint)p {
+ CGPoint p1 = CGPointMake(p.x - [self frame].origin.x, p.y - [self frame].origin.y);
+ return CGPathContainsPoint([self path],nil,p1,NO);
+}
+
+
+- (void)drawInContext:(CGContextRef)context {
+ CGContextSaveGState(context);
+
+
+ if ([node style] == nil) {
+ CGContextSetRGBStrokeColor(context, 0.4f, 0.4f, 0.7f, 1.0f);
+ CGContextSetRGBFillColor(context, 0.4f, 0.4f, 0.7f, 1.0f);
+ //CGRect fr = [self frame];
+ CGRect bds = NSRectToCGRect([localTrans rectToScreen:NSMakeRect(-0.5, -0.5, 1, 1)]);
+ CGRect pt = CGRectMake(CGRectGetMidX(bds)-1.0f, CGRectGetMidY(bds)-1.0f, 2.0f, 2.0f);
+ CGContextSetLineWidth(context, 0);
+ CGContextAddEllipseInRect(context, pt);
+ CGContextFillPath(context);
+
+ // HACK: for some reason, CGFloat isn't getting typedef'ed properly
+
+#ifdef __x86_64__
+ const double dash[2] = {2.0,2.0};
+#else
+ const float dash[2] = {2.0,2.0};
+#endif
+ CGContextSetLineDash(context, 0.0, dash, 2);
+ CGContextSetLineWidth(context, 1);
+ CGContextAddPath(context, [self path]);
+ CGContextStrokePath(context);
+ } else {
+ NSColor *stroke = [self strokeColor];
+ NSColor *fill = [self fillColor];
+
+ CGContextSetRGBStrokeColor(context,
+ [stroke redComponent],
+ [stroke greenComponent],
+ [stroke blueComponent],
+ [stroke alphaComponent]);
+
+ CGContextSetLineWidth(context, [self strokeWidth]);
+
+ CGContextSetRGBFillColor(context,
+ [fill redComponent],
+ [fill greenComponent],
+ [fill blueComponent],
+ [fill alphaComponent]);
+
+
+ CGContextSetLineWidth(context, [self strokeWidth]);
+ CGContextAddPath(context, [self path]);
+ CGContextDrawPath(context, kCGPathFillStroke);
+ }
+
+ if (!([node label] == nil || [[node label] isEqual:@""])) {
+ NSPoint labelPt = NSMakePoint([self frame].size.width/2, [self frame].size.height/2);
+ [self drawLabel:[[node label] stringByExpandingLatexConstants]
+ atPoint:labelPt
+ inContext:context
+ usingTrans:transformer];
+ }
+
+ CGContextRestoreGState(context);
+}
+
+- (void)dealloc {
+ if (path != NULL) CFRelease(path);
+ [super dealloc];
+}
+
+@end
diff --git a/tikzit/src/osx/NodeSelectionLayer.h b/tikzit/src/osx/NodeSelectionLayer.h
new file mode 100644
index 0000000..99ee75f
--- /dev/null
+++ b/tikzit/src/osx/NodeSelectionLayer.h
@@ -0,0 +1,45 @@
+//
+// NodeSelectionLayer.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <QuartzCore/CoreAnimation.h>
+#import "Shape.h"
+
+@class NodeLayer;
+
+@interface NodeSelectionLayer : CALayer {
+ BOOL selected;
+ CGMutablePathRef path;
+ NSLock *drawLock;
+ NodeLayer *nodeLayer;
+}
+
+@property NodeLayer *nodeLayer;
+
+- (id)init;
+- (void)select;
+- (void)deselect;
+- (void)highlight;
+- (void)unhighlight;
+
+@end
diff --git a/tikzit/src/osx/NodeSelectionLayer.m b/tikzit/src/osx/NodeSelectionLayer.m
new file mode 100644
index 0000000..5efcbf7
--- /dev/null
+++ b/tikzit/src/osx/NodeSelectionLayer.m
@@ -0,0 +1,93 @@
+//
+// NodeSelectionLayer.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "NodeSelectionLayer.h"
+#import "NodeLayer.h"
+#import "CircleShape.h"
+
+@implementation NodeSelectionLayer
+
+@synthesize nodeLayer;
+
+- (id)init {
+ [super init];
+ selected = NO;
+ drawLock = [[NSLock alloc] init];
+ nodeLayer = nil;
+ [self setOpacity:0.0f];
+ return self;
+}
+
+
+- (void)select {
+ selected = YES;
+ [self setOpacity:0.5f];
+}
+
+- (void)deselect {
+ selected = NO;
+ [self setOpacity:0.0f];
+}
+
+- (void)highlight {
+ if (!selected) {
+ [self setOpacity:0.25f];
+ }
+}
+
+- (void)unhighlight {
+ if (!selected) {
+ [self setOpacity:0.0f];
+ }
+}
+
+//- (CGMutablePathRef)path {
+// return path;
+//}
+//
+//- (void)setPath:(CGMutablePathRef)p {
+// path = CGPathCreateMutableCopy(p);
+// CFMakeCollectable(path);
+//}
+
+- (void)drawInContext:(CGContextRef)context {
+ [drawLock lock];
+ CGContextSaveGState(context);
+
+ //CGContextSetRGBStrokeColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
+ CGContextSetRGBStrokeColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
+ CGContextSetRGBFillColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
+ CGContextSetLineWidth(context, 6.0f);
+
+ if (nodeLayer != nil) {
+ CGContextAddPath(context, [nodeLayer path]);
+ } else {
+ NSLog(@"WARNING: attempting to draw selection with path = nil.");
+ }
+ CGContextDrawPath(context, kCGPathFillStroke);
+
+ CGContextRestoreGState(context);
+ [drawLock unlock];
+}
+
+@end
diff --git a/tikzit/src/osx/NodeStyle+Coder.h b/tikzit/src/osx/NodeStyle+Coder.h
new file mode 100644
index 0000000..b6443af
--- /dev/null
+++ b/tikzit/src/osx/NodeStyle+Coder.h
@@ -0,0 +1,36 @@
+//
+// NodeStyle+Coder.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "NodeStyle.h"
+
+
+@interface NodeStyle(Coder)
+
+@property (copy) NSColor *fillColor;
+@property (copy) NSColor *strokeColor;
+
+- (id)initWithCoder:(NSCoder *)coder;
+- (void)encodeWithCoder:(NSCoder *)coder;
+
+@end
diff --git a/tikzit/src/osx/NodeStyle+Coder.m b/tikzit/src/osx/NodeStyle+Coder.m
new file mode 100644
index 0000000..8da91c1
--- /dev/null
+++ b/tikzit/src/osx/NodeStyle+Coder.m
@@ -0,0 +1,91 @@
+//
+// NodeStyle+Coder.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "NodeStyle+Coder.h"
+#import "ShapeNames.h"
+
+@implementation NodeStyle(Coder)
+
+- (NSColor*)fillColor {
+ return [NSColor colorWithDeviceRed:fillColorRGB.redFloat
+ green:fillColorRGB.greenFloat
+ blue:fillColorRGB.blueFloat
+ alpha:1.0f];
+}
+
+- (void)setFillColor:(NSColor*)c {
+ NSColor *c1 = [c colorUsingColorSpaceName:NSDeviceRGBColorSpace];
+ [self willChangeValueForKey:@"fillColorIsKnown"];
+ fillColorRGB = [ColorRGB colorWithFloatRed:c1.redComponent
+ green:c1.greenComponent
+ blue:c1.blueComponent];
+ [self didChangeValueForKey:@"fillColorIsKnown"];
+}
+
+- (NSColor*)strokeColor {
+ return [NSColor colorWithDeviceRed:strokeColorRGB.redFloat
+ green:strokeColorRGB.greenFloat
+ blue:strokeColorRGB.blueFloat
+ alpha:1.0f];
+}
+
+- (void)setStrokeColor:(NSColor*)c {
+ NSColor *c1 = [c colorUsingColorSpaceName:NSDeviceRGBColorSpace];
+ [self willChangeValueForKey:@"strokeColorIsKnown"];
+ strokeColorRGB = [ColorRGB colorWithFloatRed:c1.redComponent
+ green:c1.greenComponent
+ blue:c1.blueComponent];
+ [self didChangeValueForKey:@"strokeColorIsKnown"];
+}
+
+- (id)initWithCoder:(NSCoder *)coder {
+ [super init];
+
+ // decode keys
+ name = [coder decodeObjectForKey:@"name"];
+ [self setStrokeColor:[coder decodeObjectForKey:@"strokeColor"]];
+ [self setFillColor:[coder decodeObjectForKey:@"fillColor"]];
+ strokeThickness = [coder decodeIntForKey:@"strokeThickness"];
+ shapeName = [coder decodeObjectForKey:@"shapeName"];
+ category = [coder decodeObjectForKey:@"category"];
+ scale = [coder decodeFloatForKey:@"scale"];
+
+ // apply defaults
+ if (scale == 0.0f) scale = 1.0f;
+ if (shapeName == nil) shapeName = SHAPE_CIRCLE;
+
+ return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder {
+ [coder encodeObject:name forKey:@"name"];
+ [coder encodeObject:[self strokeColor] forKey:@"strokeColor"];
+ [coder encodeObject:[self fillColor] forKey:@"fillColor"];
+ [coder encodeInt:strokeThickness forKey:@"strokeThickness"];
+ [coder encodeObject:shapeName forKey:@"shapeName"];
+ [coder encodeObject:category forKey:@"category"];
+ [coder encodeFloat:scale forKey:@"scale"];
+}
+
+
+@end
diff --git a/tikzit/src/osx/PreambleController.h b/tikzit/src/osx/PreambleController.h
new file mode 100644
index 0000000..4f7fb33
--- /dev/null
+++ b/tikzit/src/osx/PreambleController.h
@@ -0,0 +1,57 @@
+//
+// PreambleController.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "Preambles.h"
+#import "Preambles+Coder.h"
+
+@interface PreambleController : NSWindowController {
+ Preambles *preambles;
+ IBOutlet NSTextView *textView;
+ IBOutlet NSToolbar *toolbar;
+ IBOutlet NSToolbarItem *defaultToolbarItem;
+ IBOutlet NSToolbarItem *customToolbarItem;
+ IBOutlet NSDictionaryController *preambleDictionaryController;
+ NSDictionary *textAttrs;
+ NSAttributedString *preambleText;
+ NSColor *ghostColor;
+
+ NSIndexSet *selectionIndexes;
+}
+
+@property (readonly) BOOL useDefaultPreamble;
+@property (readonly) Preambles *preambles;
+@property (retain) NSAttributedString *preambleText;
+@property (retain) NSIndexSet *selectionIndexes;
+
+- (id)initWithWindowNibName:(NSString *)windowNibName plist:(NSString*)plist styles:(NSArray*)sty;
+- (void)savePreambles:(NSString*)plist;
+- (NSString*)currentPreamble;
+- (NSString*)currentPostamble;
+- (IBAction)setPreamble:(id)sender;
+- (IBAction)insertDefaultStyles:(id)sender;
+
+- (IBAction)addPreamble:(id)sender;
+- (IBAction)duplicatePreamble:(id)sender;
+
+@end
diff --git a/tikzit/src/osx/PreambleController.m b/tikzit/src/osx/PreambleController.m
new file mode 100644
index 0000000..ea95716
--- /dev/null
+++ b/tikzit/src/osx/PreambleController.m
@@ -0,0 +1,168 @@
+//
+// PreambleController.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "PreambleController.h"
+
+
+@implementation PreambleController
+
+@synthesize preambleText, preambles;
+
+- (id)initWithWindowNibName:(NSString *)windowNibName plist:(NSString*)plist styles:(NSArray*)sty {
+ [super initWithWindowNibName:windowNibName];
+
+ preambles = (Preambles*)[NSKeyedUnarchiver unarchiveObjectWithFile:plist];
+ [preambles setStyles:sty];
+ if (preambles == nil) preambles = [[Preambles alloc] init];
+
+ preambleText = nil;
+
+ NSFont *font = [NSFont userFixedPitchFontOfSize:11.0f];
+ textAttrs = [NSDictionary dictionaryWithObject:font forKey:NSFontAttributeName];
+ ghostColor = [NSColor colorWithDeviceRed:0.9f green:0.9f blue:0.9f alpha:1.0f];
+
+
+
+ return self;
+}
+
+- (void)awakeFromNib {
+ NSArray *arr = [preambleDictionaryController arrangedObjects];
+ NSString *current = [preambles selectedPreambleName];
+
+ if (current != nil && ![current isEqual:@"default"]) {
+ for (int i = 0; i < [arr count]; ++i) {
+ if ([[[arr objectAtIndex:i] key] isEqual:current]) {
+ [self setSelectionIndexes:[NSIndexSet indexSetWithIndex:i]];
+ break;
+ }
+ }
+ }
+}
+
+- (BOOL)useDefaultPreamble {
+ return [[preambles selectedPreambleName] isEqualToString:@"default"];
+}
+
+- (void)flushText {
+ if (preambleText != nil && ![self useDefaultPreamble]) {
+ [preambles setCurrentPreamble:[preambleText string]];
+ }
+}
+
+- (void)setCurrentPreamble:(NSString*)current {
+ [self flushText];
+
+ [self willChangeValueForKey:@"useDefaultPreamble"];
+ [preambles setSelectedPreambleName:current];
+ [self didChangeValueForKey:@"useDefaultPreamble"];
+
+ [self setPreambleText:
+ [[NSAttributedString alloc] initWithString:[preambles currentPreamble]
+ attributes:textAttrs]];
+}
+
+- (void)showWindow:(id)sender {
+ [super showWindow:sender];
+ if ([self useDefaultPreamble]) {
+ [toolbar setSelectedItemIdentifier:[defaultToolbarItem itemIdentifier]];
+ } else {
+ [toolbar setSelectedItemIdentifier:[customToolbarItem itemIdentifier]];
+ }
+
+ [self setPreamble:self];
+}
+
+- (void)savePreambles:(NSString*)plist {
+ [self flushText];
+ [NSKeyedArchiver archiveRootObject:preambles toFile:plist];
+}
+
+- (NSString*)currentPreamble {
+ [self flushText];
+ return [preambles currentPreamble];
+}
+
+- (NSString*)currentPostamble {
+ return [preambles currentPostamble];
+}
+
+- (void)setSelectionIndexes:(NSIndexSet *)idx {
+ [self willChangeValueForKey:@"selectionIndexes"];
+ selectionIndexes = idx;
+ [self didChangeValueForKey:@"selectionIndexes"];
+
+ [self setPreamble:self];
+}
+
+- (NSIndexSet*)selectionIndexes {
+ return selectionIndexes;
+}
+
+- (IBAction)setPreamble:(id)sender {
+ if ([[toolbar selectedItemIdentifier] isEqualToString:[defaultToolbarItem itemIdentifier]]) {
+ [self setCurrentPreamble:@"default"];
+ [textView setBackgroundColor:ghostColor];
+ } else if ([toolbar.selectedItemIdentifier isEqualToString:[customToolbarItem itemIdentifier]]) {
+ NSString *key = nil;
+ if ([selectionIndexes count]==1) {
+ int i = [selectionIndexes firstIndex];
+ key = [[[preambleDictionaryController arrangedObjects] objectAtIndex:i] key];
+ }
+ if (key != nil) {
+ [self setCurrentPreamble:key];
+ //NSLog(@"preamble set to %@", key);
+ } else {
+ [self setCurrentPreamble:@"default"];
+ //NSLog(@"preamble set to default");
+ }
+ [textView setBackgroundColor:[NSColor whiteColor]];
+ }
+}
+
+- (IBAction)insertDefaultStyles:(id)sender {
+ [textView insertText:[preambles styleDefinitions]];
+}
+
+- (IBAction)addPreamble:(id)sender {
+ [preambleDictionaryController setInitialKey:@"new preamble"];
+ [preambleDictionaryController setInitialValue:[preambles defaultPreamble]];
+ [preambleDictionaryController add:sender];
+}
+
+- (void)controlTextDidEndEditing:(NSNotification *)obj {
+ //NSLog(@"got a text change");
+ [self setPreamble:[obj object]];
+}
+
+
+// NOT IMPLEMENTED
+- (IBAction)duplicatePreamble:(id)sender {
+// NSLog(@"set text to: %@", [preambles currentPreamble]);
+// [preambleDictionaryController setInitialKey:[preambles selectedPreambleName]];
+// [preambleDictionaryController setInitialValue:[preambles currentPreamble]];
+// [preambleDictionaryController add:sender];
+}
+
+
+@end
diff --git a/tikzit/src/osx/Preambles+Coder.h b/tikzit/src/osx/Preambles+Coder.h
new file mode 100644
index 0000000..5a270c5
--- /dev/null
+++ b/tikzit/src/osx/Preambles+Coder.h
@@ -0,0 +1,32 @@
+//
+// Preambles+Coder.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Preambles.h"
+#import <Cocoa/Cocoa.h>
+
+@interface Preambles (Coder)
+
+- (id)initWithCoder:(NSCoder *)coder;
+- (void)encodeWithCoder:(NSCoder *)coder;
+
+@end
diff --git a/tikzit/src/osx/Preambles+Coder.m b/tikzit/src/osx/Preambles+Coder.m
new file mode 100644
index 0000000..6b9768a
--- /dev/null
+++ b/tikzit/src/osx/Preambles+Coder.m
@@ -0,0 +1,41 @@
+//
+// Preambles+Coder.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "Preambles+Coder.h"
+
+
+@implementation Preambles (Coder)
+
+- (id)initWithCoder:(NSCoder *)coder {
+ [super init];
+ selectedPreambleName = [coder decodeObjectForKey:@"selectedPreamble"];
+ preambleDict = [coder decodeObjectForKey:@"preambles"];
+ return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder {
+ [coder encodeObject:selectedPreambleName forKey:@"selectedPreamble"];
+ [coder encodeObject:preambleDict forKey:@"preambles"];
+}
+
+@end
diff --git a/tikzit/src/osx/PreviewController.h b/tikzit/src/osx/PreviewController.h
new file mode 100644
index 0000000..d6d855e
--- /dev/null
+++ b/tikzit/src/osx/PreviewController.h
@@ -0,0 +1,51 @@
+//
+// PreviewController.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+
+#import <Cocoa/Cocoa.h>
+
+@class PDFView;
+@class PreambleController;
+
+@interface PreviewController : NSWindowController {
+ IBOutlet PDFView *pdfView;
+ IBOutlet NSProgressIndicator *progressIndicator;
+ IBOutlet NSScrollView *errorTextView;
+ IBOutlet NSTextView *errorText;
+ PreambleController *preambleController;
+ NSString *tempDir;
+ NSLock *latexLock;
+ int typesetCount;
+}
+
+
+- (id)initWithWindowNibName:(NSString*)nib
+ preambleController:(PreambleController*)pc
+ tempDir:(NSString*)dir;
+
+- (void)buildTikz:(NSString*)tikz;
+
++ (void)setDefaultPreviewController:(PreviewController*)pc;
++ (PreviewController*)defaultPreviewController;
+
+@end
diff --git a/tikzit/src/osx/PreviewController.m b/tikzit/src/osx/PreviewController.m
new file mode 100644
index 0000000..e54a91f
--- /dev/null
+++ b/tikzit/src/osx/PreviewController.m
@@ -0,0 +1,137 @@
+//
+// PreviewController.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "PreviewController.h"
+#import "AppDelegate.h"
+#import "PreambleController.h"
+#import <Quartz/Quartz.h>
+
+@implementation PreviewController
+
+static PreviewController *preview = nil;
+
+- (id)initWithWindowNibName:(NSString*)nib
+ preambleController:(PreambleController*)pc
+ tempDir:(NSString*)dir {
+ [super initWithWindowNibName:nib];
+ tempDir = [dir copy];
+ typesetCount = 0;
+ preambleController = pc;
+ latexLock = [[NSLock alloc] init];
+ return self;
+}
+
+- (void)runLatex:(id)tikz {
+ // Only build one tex file at a time, so we don't get funky results.
+ [latexLock lock];
+ [progressIndicator startAnimation:self];
+
+ int fnum = typesetCount++;
+
+ NSString *tex = [NSString stringWithFormat:@"%@%@%@",
+ [preambleController currentPreamble],
+ tikz,
+ [preambleController currentPostamble]];
+
+ NSString *texFile = [NSString stringWithFormat:@"%@/tikzit_%d.tex", tempDir, fnum];
+ NSString *pdfFile = [NSString stringWithFormat:@"%@/tikzit_%d.pdf", tempDir, fnum];
+
+ [tex writeToFile:texFile atomically:NO encoding:NSUTF8StringEncoding error:NULL];
+
+ // We run pdflatex in a bash shell to have easy access to the setup from unix-land
+ NSTask *latexTask = [[NSTask alloc] init];
+ [latexTask setCurrentDirectoryPath:tempDir];
+ [latexTask setLaunchPath:@"/bin/bash"];
+
+ // This assumes the user has $PATH set up to find pdflatex in either .profile
+ // or .bashrc. This should be improved to take other path setups into account
+ // and to be customisable.
+ NSString *latexCmd =
+ [NSString stringWithFormat:
+ @"if [ -e ~/.profile ]; then source ~/.profile; fi\n"
+ @"if [ -e ~/.bashrc ]; then source ~/.bashrc; fi\n"
+ @"pdflatex -interaction=nonstopmode -halt-on-error '%@'\n",
+ texFile];
+
+ NSPipe *pout = [NSPipe pipe];
+ NSPipe *pin = [NSPipe pipe];
+ [latexTask setStandardOutput:pout];
+ [latexTask setStandardInput:pin];
+
+ NSFileHandle *latexIn = [pin fileHandleForWriting];
+ NSFileHandle *latexOut = [pout fileHandleForReading];
+
+ [latexTask launch];
+ [latexIn writeData:[latexCmd dataUsingEncoding:NSUTF8StringEncoding]];
+ [latexIn closeFile];
+ [latexTask waitUntilExit];
+
+ NSData *data = [latexOut readDataToEndOfFile];
+ NSString *str = [[NSString alloc] initWithData:data
+ encoding:NSUTF8StringEncoding];
+
+ if ([latexTask terminationStatus] != 0) {
+ [errorTextView setHidden:YES];
+ errorText.string = [@"\nAN ERROR HAS OCCURRED, PDFLATEX SAID:\n\n" stringByAppendingString:str];
+ [errorTextView setHidden:NO];
+ } else {
+ errorText.string = @"";
+ [errorTextView setHidden:YES];
+
+ data = [NSData dataWithContentsOfFile:pdfFile];
+ PDFDocument *doc = [[PDFDocument alloc] initWithData:data];
+
+ // pad the PDF by a couple of pixels
+ if ([doc pageCount] >= 1) {
+ PDFPage *page = [doc pageAtIndex:0];
+ NSRect box = [page boundsForBox:kPDFDisplayBoxCropBox];
+ box.origin.x -= 2.0f;
+ box.origin.y -= 2.0f;
+ box.size.width += 4.0f;
+ box.size.height += 4.0f;
+ [page setBounds:box forBox:kPDFDisplayBoxCropBox];
+ [page setBounds:box forBox:kPDFDisplayBoxMediaBox];
+ }
+
+ [pdfView setDocument:doc];
+ }
+
+ [progressIndicator stopAnimation:self];
+ [latexLock unlock];
+}
+
+- (void)buildTikz:(NSString*)tikz {
+ // Build on a separate thread to keep the interface responsive.
+ [NSThread detachNewThreadSelector:@selector(runLatex:) toTarget:self withObject:tikz];
+}
+
++ (void)setDefaultPreviewController:(PreviewController*)pc {
+ preview = pc;
+}
+
++ (PreviewController*)defaultPreviewController {
+ return preview;
+}
+
+
+@end
diff --git a/tikzit/src/osx/PropertyInspectorController.h b/tikzit/src/osx/PropertyInspectorController.h
new file mode 100644
index 0000000..cb14021
--- /dev/null
+++ b/tikzit/src/osx/PropertyInspectorController.h
@@ -0,0 +1,73 @@
+//
+// PropertyInspectorController.h
+// TikZiT
+//
+// Created by Aleks Kissinger on 17/07/2011.
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "NodeStyle.h"
+#import "GraphElementData.h"
+
+@class SFBInspectorView;
+@class StylePaletteController;
+
+@interface PropertyInspectorController : NSWindowController {
+ IBOutlet SFBInspectorView *propertyInspectorView;
+ IBOutlet NSView *nodePropertiesView;
+ IBOutlet NSView *graphPropertiesView;
+ IBOutlet NSView *edgePropertiesView;
+ IBOutlet NSTextField *edgeNodeLabelField;
+ IBOutlet NSButton *edgeNodeCheckbox;
+ IBOutlet NSArrayController *nodeDataArrayController;
+ IBOutlet NSArrayController *graphDataArrayController;
+ IBOutlet NSArrayController *edgeDataArrayController;
+ IBOutlet NSArrayController *edgeNodeDataArrayController;
+
+ NSMutableArray *selectedNodes;
+ IBOutlet NSArrayController *selectedNodesArrayController;
+
+ NSMutableArray *selectedEdges;
+ IBOutlet NSArrayController *selectedEdgesArrayController;
+
+ // this data lists exists solely for displaying messages in disabled data tables
+ GraphElementData *noSelection;
+ GraphElementData *multipleSelection;
+ GraphElementData *noEdgeNode;
+ GraphElementData *noGraph;
+
+
+ // used to get access to the global style table
+ StylePaletteController *stylePaletteController;
+}
+
+//@property (readonly) BOOL enableNodeDataControls;
+//@property (readonly) BOOL enableEdgeDataControls;
+@property (retain) NSMutableArray *selectedNodes;
+@property (retain) NSMutableArray *selectedEdges;
+@property (retain) StylePaletteController *stylePaletteController;
+
+- (id)initWithWindowNibName:(NSString *)windowNibName;
+- (void)graphSelectionChanged:(NSNotification*)notification;
+
+- (IBAction)addNodeProperty:(id)sender;
+- (IBAction)addNodeAtom:(id)sender;
+- (IBAction)removeNodeProperty:(id)sender;
+
+- (IBAction)addGraphProperty:(id)sender;
+- (IBAction)addGraphAtom:(id)sender;
+- (IBAction)removeGraphProperty:(id)sender;
+
+- (IBAction)addEdgeProperty:(id)sender;
+- (IBAction)addEdgeAtom:(id)sender;
+- (IBAction)removeEdgeProperty:(id)sender;
+
+- (IBAction)addEdgeNodeProperty:(id)sender;
+- (IBAction)addEdgeNodeAtom:(id)sender;
+- (IBAction)removeEdgeNodeProperty:(id)sender;
+
+//- (IBAction)addRemoveChildNode:(id)sender;
+- (IBAction)refreshDocument:(id)sender;
+
+@end
diff --git a/tikzit/src/osx/PropertyInspectorController.m b/tikzit/src/osx/PropertyInspectorController.m
new file mode 100644
index 0000000..8254949
--- /dev/null
+++ b/tikzit/src/osx/PropertyInspectorController.m
@@ -0,0 +1,272 @@
+//
+// PropertyInspectorController.m
+// TikZiT
+//
+// Created by Aleks Kissinger on 17/07/2011.
+// Copyright 2011 Aleks Kissinger. All rights reserved.
+//
+
+#import "PropertyInspectorController.h"
+#import "StylePaletteController.h"
+#import "TikzDocument.h"
+#import "SFBInspectors/SFBInspectorView.h"
+#import "PickSupport.h"
+#import "Node.h"
+#import "Edge.h"
+#import "NodeStyle.h"
+#import "GraphicsView.h"
+#import "GraphElementProperty.h"
+#import "Shape.h"
+
+@implementation PropertyInspectorController
+
+@synthesize stylePaletteController;
+@synthesize selectedNodes, selectedEdges;
+
+- (id)initWithWindowNibName:(NSString *)windowNibName {
+ [super initWithWindowNibName:windowNibName];
+
+ noSelection = [[GraphElementData alloc] init];
+ [noSelection setProperty:@"" forKey:@"No Selection"];
+ multipleSelection = [[GraphElementData alloc] init];
+ [multipleSelection setProperty:@"" forKey:@"Mult. Selection"];
+ noEdgeNode = [[GraphElementData alloc] init];
+ [noEdgeNode setProperty:@"" forKey:@"No Child"];
+ noGraph = [[GraphElementData alloc] init];
+ [noGraph setProperty:@"" forKey:@"No Graph"];
+
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(graphSelectionChanged:)
+ name:@"SelectionChanged"
+ object:nil];
+
+// [[NSDocumentController sharedDocumentController] addObserver:self
+// forKeyPath:@"currentDocument"
+// options:NSKeyValueObservingOptionNew
+// context:NULL];
+
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(graphSelectionChanged:)
+ name:@"NSWindowDidBecomeMainNotification"
+ object:nil];
+
+
+
+
+ [[self window] setLevel:NSNormalWindowLevel];
+ [self showWindow:self];
+ return self;
+}
+
+- (void)observeValueForKeyPath:(NSString*)keyPath
+ ofObject:(id)object
+ change:(NSDictionary*)change
+ context:(void*)context {
+ [self graphSelectionChanged:nil];
+}
+
+//- (void)willChangeValueForKey:(NSString *)key {
+// [super willChangeValueForKey:key];
+// NSLog(@"will: %@",key);
+//}
+//
+//- (void)didChangeValueForKey:(NSString *)key {
+// [super didChangeValueForKey:key];
+// NSLog(@"did: %@",key);
+//}
+
+- (void)windowDidLoad {
+ [[self window] setMovableByWindowBackground:YES];
+
+ [propertyInspectorView addInspectorPane:graphPropertiesView
+ title:@"Graph Properties"];
+ [propertyInspectorView addInspectorPane:nodePropertiesView
+ title:@"Node Properties"];
+ [propertyInspectorView addInspectorPane:edgePropertiesView
+ title:@"Edge Properties"];
+ [super windowDidLoad];
+}
+
+- (IBAction)refreshDocument:(id)sender {
+ NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+ TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+
+ if (doc != nil) {
+ [[doc graphicsView] postGraphChange];
+ [[doc graphicsView] refreshLayers];
+ }
+}
+
+
+- (void)updateGraphFields {
+ NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+ TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+
+ if (doc != nil) {
+ [graphDataArrayController setContent:[[[doc graphicsView] graph] data]];
+ [graphDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [graphDataArrayController setEditable:YES];
+ } else {
+ [graphDataArrayController setContent:noGraph];
+ [graphDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [graphDataArrayController setEditable:NO];
+ }
+}
+
+- (void)updateNodeFields {
+ NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+ TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+ if (doc != nil) {
+ NSSet *sel = [[[doc graphicsView] pickSupport] selectedNodes];
+ [self setSelectedNodes:[[sel allObjects] mutableCopy]];
+ [selectedNodesArrayController setSelectedObjects:selectedNodes];
+ if ([sel count] == 1) {
+ Node *n = [sel anyObject];
+ [nodeDataArrayController setContent:[n data]];
+ [nodeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [nodeDataArrayController setEditable:YES];
+ } else if ([sel count] == 0) {
+ [nodeDataArrayController setContent:noSelection];
+ [nodeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [nodeDataArrayController setEditable:NO];
+ } else {
+ [nodeDataArrayController setContent:multipleSelection];
+ [nodeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [nodeDataArrayController setEditable:NO];
+ }
+ } else {
+ [nodeDataArrayController setContent:noGraph];
+ [nodeDataArrayController setEditable:NO];
+ }
+}
+
+- (void)updateEdgeFields {
+ NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+ TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+
+ if (doc != nil) {
+ NSSet *sel = [[[doc graphicsView] pickSupport] selectedEdges];
+ [self setSelectedEdges:[[sel allObjects] mutableCopy]];
+ [selectedEdgesArrayController setSelectedObjects:selectedEdges];
+ if ([sel count] == 1) {
+ Edge *e = [sel anyObject];
+ [edgeDataArrayController setContent:[e data]];
+ [edgeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [edgeDataArrayController setEditable:YES];
+ if ([e hasEdgeNode]) {
+ Node *n = [e edgeNode];
+ [edgeNodeDataArrayController setContent:[n data]];
+ [edgeNodeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [edgeNodeDataArrayController setEditable:YES];
+ } else {
+ [edgeNodeDataArrayController setContent:noEdgeNode];
+ [edgeNodeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [edgeNodeDataArrayController setEditable:NO];
+ }
+ } else if ([sel count] == 0) {
+ [edgeDataArrayController setContent:noSelection];
+ [edgeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [edgeDataArrayController setEditable:NO];
+ [edgeNodeDataArrayController setContent:noSelection];
+ [edgeNodeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [edgeNodeDataArrayController setEditable:NO];
+ } else {
+ [edgeDataArrayController setContent:multipleSelection];
+ [edgeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [edgeDataArrayController setEditable:NO];
+ [edgeNodeDataArrayController setContent:multipleSelection];
+ [edgeNodeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [edgeNodeDataArrayController setEditable:NO];
+ }
+ } else {
+ [edgeDataArrayController setContent:noGraph];
+ [edgeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [edgeDataArrayController setEditable:NO];
+ [edgeNodeDataArrayController setContent:noGraph];
+ [edgeNodeDataArrayController setSelectionIndexes:[NSIndexSet indexSet]];
+ [edgeNodeDataArrayController setEditable:NO];
+ }
+}
+
+- (void)graphSelectionChanged:(NSNotification*)notification {
+ [self updateNodeFields];
+ [self updateEdgeFields];
+ [self updateGraphFields];
+}
+
+- (void)controlTextDidEndEditing:(NSNotification*)notification {
+ NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+ TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+ if (doc != nil) {
+ PickSupport *pick = [[doc graphicsView] pickSupport];
+ for (Node *n in [pick selectedNodes]) {
+ [n attachStyleFromTable:[stylePaletteController nodeStyles]];
+ }
+
+ for (Edge *e in [pick selectedEdges]) {
+ [e attachStyleFromTable:[stylePaletteController edgeStyles]];
+ }
+ }
+
+ [self refreshDocument:[notification object]];
+}
+
+- (void)addPropertyToAC:(NSArrayController*)ac {
+ [ac addObject:[[GraphElementProperty alloc] initWithPropertyValue:@"val" forKey:@"new_property"]];
+ [self refreshDocument:nil];
+}
+
+- (void)addAtomToAC:(NSArrayController*)ac {
+ [ac addObject:[[GraphElementProperty alloc] initWithAtomName:@"new_atom"]];
+ [self refreshDocument:nil];
+}
+
+- (void)removeFromAC:(NSArrayController*)ac {
+ [ac remove:nil];
+ [self refreshDocument:nil];
+}
+
+- (IBAction)addNodeProperty:(id)sender { [self addPropertyToAC:nodeDataArrayController]; }
+- (IBAction)addNodeAtom:(id)sender { [self addAtomToAC:nodeDataArrayController]; }
+- (IBAction)removeNodeProperty:(id)sender { [self removeFromAC:nodeDataArrayController]; }
+
+- (IBAction)addGraphProperty:(id)sender { [self addPropertyToAC:graphDataArrayController]; }
+- (IBAction)addGraphAtom:(id)sender { [self addAtomToAC:graphDataArrayController]; }
+- (IBAction)removeGraphProperty:(id)sender { [self removeFromAC:graphDataArrayController]; }
+
+- (IBAction)addEdgeProperty:(id)sender { [self addPropertyToAC:edgeDataArrayController]; }
+- (IBAction)addEdgeAtom:(id)sender { [self addAtomToAC:edgeDataArrayController]; }
+- (IBAction)removeEdgeProperty:(id)sender { [self removeFromAC:edgeDataArrayController]; }
+
+- (IBAction)addEdgeNodeProperty:(id)sender { [self addPropertyToAC:edgeNodeDataArrayController]; }
+- (IBAction)addEdgeNodeAtom:(id)sender { [self addAtomToAC:edgeNodeDataArrayController]; }
+- (IBAction)removeEdgeNodeProperty:(id)sender { [self removeFromAC:edgeNodeDataArrayController]; }
+
+//- (BOOL)enableEdgeDataControls {
+// NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+// TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+//
+// if (doc != nil) {
+// return ([[[[doc graphicsView] pickSupport] selectedEdges] count] == 1);
+// } else {
+// return NO;
+// }
+//}
+//
+//- (BOOL)enableEdgeNodeDataControls {
+// NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+// TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+//
+// if (doc != nil) {
+// PickSupport *pick = [[doc graphicsView] pickSupport];
+// if ([[pick selectedEdges] count] == 1) {
+// return ([[[pick selectedEdges] anyObject] hasEdgeNode]);
+// } else {
+// return NO;
+// }
+// } else {
+// return NO;
+// }
+//}
+
+@end
diff --git a/tikzit/src/osx/SelectBoxLayer.h b/tikzit/src/osx/SelectBoxLayer.h
new file mode 100644
index 0000000..45b43c7
--- /dev/null
+++ b/tikzit/src/osx/SelectBoxLayer.h
@@ -0,0 +1,22 @@
+//
+// SelectBoxLayer.h
+// TikZiT
+//
+// Created by Aleks Kissinger on 14/06/2010.
+// Copyright 2010 __MyCompanyName__. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <QuartzCore/CoreAnimation.h>
+
+@interface SelectBoxLayer : CALayer {
+ BOOL active;
+ CGRect box;
+}
+
+@property (assign) BOOL active;
+@property (assign) NSRect selectBox;
+
++ (SelectBoxLayer*)layer;
+
+@end
diff --git a/tikzit/src/osx/SelectBoxLayer.m b/tikzit/src/osx/SelectBoxLayer.m
new file mode 100644
index 0000000..c198ffa
--- /dev/null
+++ b/tikzit/src/osx/SelectBoxLayer.m
@@ -0,0 +1,48 @@
+//
+// SelectBoxLayer.m
+// TikZiT
+//
+// Created by Aleks Kissinger on 14/06/2010.
+// Copyright 2010 __MyCompanyName__. All rights reserved.
+//
+
+#import "SelectBoxLayer.h"
+
+
+@implementation SelectBoxLayer
+
+@synthesize active;
+
+- (id)init {
+ [super init];
+ box = CGRectMake(0.0f, 0.0f, 0.0f, 0.0f);
+ active = NO;
+ return self;
+}
+
+- (void)setSelectBox:(NSRect)r {
+ box = NSRectToCGRect(r);
+}
+
+- (NSRect)selectBox {
+ return NSRectFromCGRect(box);
+}
+
+- (void)drawInContext:(CGContextRef)context {
+ if (active) {
+ CGContextAddRect(context, box);
+
+ CGContextSetRGBStrokeColor(context, 0.6, 0.6, 0.6, 1);
+ CGContextSetRGBFillColor(context, 0.8, 0.8, 0.8, 0.2);
+ CGContextSetLineWidth(context, 1);
+
+ CGContextSetShouldAntialias(context, NO);
+ CGContextDrawPath(context, kCGPathFillStroke);
+ }
+}
+
++ (SelectBoxLayer*)layer {
+ return [[[SelectBoxLayer alloc] init] autorelease];
+}
+
+@end
diff --git a/tikzit/src/osx/SelectableCollectionViewItem.h b/tikzit/src/osx/SelectableCollectionViewItem.h
new file mode 100644
index 0000000..4a2c571
--- /dev/null
+++ b/tikzit/src/osx/SelectableCollectionViewItem.h
@@ -0,0 +1,33 @@
+//
+// SelectableCollectionViewItem.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "StylePaletteController.h"
+
+@interface SelectableCollectionViewItem : NSCollectionViewItem {
+ IBOutlet StylePaletteController *stylePaletteController;
+}
+
+- (void)setStylePaletteController:(StylePaletteController*)spc;
+
+@end
diff --git a/tikzit/src/osx/SelectableCollectionViewItem.m b/tikzit/src/osx/SelectableCollectionViewItem.m
new file mode 100644
index 0000000..880c37b
--- /dev/null
+++ b/tikzit/src/osx/SelectableCollectionViewItem.m
@@ -0,0 +1,54 @@
+//
+// SelectableCollectionViewItem.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "SelectableCollectionViewItem.h"
+#import "SelectableNodeView.h"
+
+@implementation SelectableCollectionViewItem
+
+- (id)copyWithZone:(NSZone *)zone {
+ SelectableCollectionViewItem *item = [super copyWithZone:zone];
+ [item setStylePaletteController:stylePaletteController];
+ return (id)item;
+}
+
+- (void)setSelected:(BOOL)flag {
+ [super setSelected:flag];
+ [(SelectableNodeView*)[self view] setSelected:flag];
+
+ // only fire this event from the view that lost selection
+ //if (flag == NO) [stylePaletteController selectionDidChange];
+
+ [[self view] setNeedsDisplay:YES];
+}
+
+- (void)setRepresentedObject:(id)object {
+ [super setRepresentedObject:object];
+ [(SelectableNodeView*)[self view] setNodeStyle:(NodeStyle*)object];
+}
+
+- (void)setStylePaletteController:(StylePaletteController*)spc {
+ stylePaletteController = spc;
+}
+
+@end
diff --git a/tikzit/src/osx/SelectableNodeView.h b/tikzit/src/osx/SelectableNodeView.h
new file mode 100644
index 0000000..be7d1a1
--- /dev/null
+++ b/tikzit/src/osx/SelectableNodeView.h
@@ -0,0 +1,38 @@
+//
+// SelectableView.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "NodeLayer.h"
+#import "NodeStyle.h"
+#import "NodeStyle+Coder.h"
+
+@interface SelectableNodeView : NSView {
+ BOOL selected;
+ NodeLayer *nodeLayer;
+}
+
+@property (assign) BOOL selected;
+@property (retain) NodeStyle *nodeStyle;
+
+
+@end
diff --git a/tikzit/src/osx/SelectableNodeView.m b/tikzit/src/osx/SelectableNodeView.m
new file mode 100644
index 0000000..6fdd283
--- /dev/null
+++ b/tikzit/src/osx/SelectableNodeView.m
@@ -0,0 +1,96 @@
+//
+// SelectableView.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "SelectableNodeView.h"
+#import "Shape.h"
+#import "Transformer.h"
+
+@implementation SelectableNodeView
+
+@synthesize selected;
+
+- (id)initWithFrame:(NSRect)frameRect {
+ [super initWithFrame:frameRect];
+ nodeLayer = nil;
+ return self;
+}
+
+-(void)drawLayer:(CALayer *)layer inContext:(CGContextRef)context {
+// NSLog(@"got draw");
+// CGContextSaveGState(context);
+//
+// if (selected) {
+// CGContextSetRGBStrokeColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
+// CGContextSetRGBFillColor(context, 0.61f, 0.735f, 1.0f, 0.5f);
+// CGContextSetLineWidth(context, 1.0f);
+//
+// CGRect box = CGRectMake([layer frame].origin.x + 2,
+// [layer frame].origin.y + 2,
+// [layer frame].size.width - 4,
+// [layer frame].size.height - 4);
+//
+// //CGContextAddRect(context, box);
+// CGContextDrawPath(context, kCGPathFillStroke);
+// }
+//
+// CGContextRestoreGState(context);
+
+ if (nodeLayer!=nil) {
+ if (![[[self layer] sublayers] containsObject:nodeLayer]) {
+ [[self layer] addSublayer:nodeLayer];
+ NSPoint c = NSMakePoint(CGRectGetMidX([[self layer] frame]),
+ CGRectGetMidY([[self layer] frame]));
+ [nodeLayer setCenter:c andAnimateWhen:NO];
+ }
+
+ if (selected) [[nodeLayer selection] select];
+ else [[nodeLayer selection] deselect];
+
+ [nodeLayer updateFrame];
+ }
+}
+
+- (void)drawRect:(NSRect)rect {
+ [super drawRect:rect];
+}
+
+- (BOOL)acceptsFirstMouse:(NSEvent *)theEvent { return YES; }
+
+- (void)setNodeStyle:(NodeStyle *)sty {
+ if (nodeLayer == nil) {
+ nodeLayer = [[NodeLayer alloc] initWithNode:[Node node]
+ transformer:[Transformer defaultTransformer]];
+ [nodeLayer setRescale:NO];
+ }
+
+ [[nodeLayer node] setStyle:sty];
+ [nodeLayer updateFrame];
+}
+
+- (NodeStyle*)nodeStyle {
+ if (nodeLayer != nil) return [[nodeLayer node] style];
+ else return nil;
+}
+
+
+@end
diff --git a/tikzit/src/osx/StylePaletteController.h b/tikzit/src/osx/StylePaletteController.h
new file mode 100644
index 0000000..ed30b58
--- /dev/null
+++ b/tikzit/src/osx/StylePaletteController.h
@@ -0,0 +1,80 @@
+//
+// StylePaletteController.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "NodeStyle.h"
+#import "EdgeStyle.h"
+
+@class SFBInspectorView;
+
+@interface StylePaletteController : NSWindowController {
+ NSMutableArray *nodeStyles;
+ NSMutableArray *edgeStyles;
+ IBOutlet NSArrayController *nodeStyleArrayController;
+ IBOutlet NSArrayController *filteredNodeStyleArrayController;
+ IBOutlet NSArrayController *edgeStyleArrayController;
+ IBOutlet NSArrayController *filteredEdgeStyleArrayController;
+ IBOutlet NSCollectionView *collectionView;
+ IBOutlet SFBInspectorView *nodeStyleInspectorView;
+ IBOutlet NSView *nodeStyleView;
+ IBOutlet NSView *edgeStyleView;
+ IBOutlet NSPopUpButton *shapeDropdown;
+ NSString *displayedNodeStyleCategory;
+ NSString *displayedEdgeStyleCategory;
+}
+
+@property (readonly) NSMutableArray *nodeStyles;
+@property (readonly) NSMutableArray *edgeStyles;
+@property (readonly) BOOL documentActive;
+@property (assign) NodeStyle *activeNodeStyle;
+@property (assign) EdgeStyle *activeEdgeStyle;
+@property (copy) NSString *displayedNodeStyleCategory;
+@property (copy) NSString *displayedEdgeStyleCategory;
+@property (readonly) NSPredicate *displayedNodeStylePredicate;
+@property (readonly) NSPredicate *displayedEdgeStylePredicate;
+
+//@property NSString *nodeLabel;
+
+- (id)initWithWindowNibName:(NSString *)windowNibName
+ supportDir:(NSString*)supportDir;
+- (void)saveStyles:(NSString *)plist;
+
+- (IBAction)refreshCollection:(id)sender;
+
+- (IBAction)applyActiveNodeStyle:(id)sender;
+- (IBAction)clearActiveNodeStyle:(id)sender;
+- (IBAction)addNodeStyle:(id)sender;
+
+- (IBAction)appleActiveEdgeStyle:(id)sender;
+- (IBAction)clearActiveEdgeStyle:(id)sender;
+- (IBAction)addEdgeStyle:(id)sender;
+- (void)setActiveEdgeStyle:(EdgeStyle*)style;
+
+- (IBAction)setFillToClosestHashed:(id)sender;
+- (IBAction)setStrokeToClosestHashed:(id)sender;
+
+
+//- (IBAction)changeShape:(id)sender;
+
+
+@end
diff --git a/tikzit/src/osx/StylePaletteController.m b/tikzit/src/osx/StylePaletteController.m
new file mode 100644
index 0000000..8f87bd9
--- /dev/null
+++ b/tikzit/src/osx/StylePaletteController.m
@@ -0,0 +1,247 @@
+//
+// StylePaletteController.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "StylePaletteController.h"
+#import "TikzDocument.h"
+#import "SFBInspectors/SFBInspectorView.h"
+#import "PickSupport.h"
+#import "Node.h"
+#import "Edge.h"
+#import "NodeStyle.h"
+#import "GraphicsView.h"
+#import "GraphElementProperty.h"
+#import "Shape.h"
+
+@implementation StylePaletteController
+
+@synthesize nodeStyles, edgeStyles;
+
+- (id)initWithWindowNibName:(NSString *)windowNibName
+ supportDir:(NSString*)supportDir
+{
+ if (self = [super initWithWindowNibName:windowNibName]) {
+ NSString *ns = [supportDir stringByAppendingPathComponent:@"nodeStyles.plist"];
+ NSString *es = [supportDir stringByAppendingPathComponent:@"edgeStyles.plist"];
+ nodeStyles = (NSMutableArray*)[NSKeyedUnarchiver
+ unarchiveObjectWithFile:ns];
+ edgeStyles = (NSMutableArray*)[NSKeyedUnarchiver
+ unarchiveObjectWithFile:es];
+
+ if (nodeStyles == nil) nodeStyles = [NSMutableArray array];
+ if (edgeStyles == nil) edgeStyles = [NSMutableArray array];
+
+ [[self window] setLevel:NSNormalWindowLevel];
+ [self showWindow:self];
+ }
+
+ return self;
+}
+
+- (void)windowDidLoad {
+ [[self window] setMovableByWindowBackground:YES];
+ [shapeDropdown addItemsWithTitles:[[Shape shapeDictionary] allKeys]];
+ if ([self activeNodeStyle] != nil) {
+ [shapeDropdown setTitle:[[self activeNodeStyle] shapeName]];
+ }
+
+ [nodeStyleInspectorView addInspectorPane:nodeStyleView
+ title:@"Node Styles"];
+
+ [nodeStyleInspectorView addInspectorPane:edgeStyleView
+ title:@"Edge Styles"];
+
+ [super windowDidLoad];
+}
+
+- (void)saveStyles:(NSString*)supportDir {
+ NSString *ns = [supportDir stringByAppendingPathComponent:@"nodeStyles.plist"];
+ NSString *es = [supportDir stringByAppendingPathComponent:@"edgeStyles.plist"];
+ [NSKeyedArchiver archiveRootObject:nodeStyles toFile:ns];
+ [NSKeyedArchiver archiveRootObject:edgeStyles toFile:es];
+}
+
+- (IBAction)refreshCollection:(id)sender {
+ [collectionView setNeedsDisplay:YES];
+}
+
+
+- (BOOL)documentActive {
+ NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+ return dc.currentDocument != nil;
+}
+
+-(BOOL)collectionView:(NSCollectionView*)collectionView canDragItemsAtIndexes:(NSIndexSet*)indexes withEvent:(NSEvent*)event {
+ return YES;
+}
+
+
+//===========================
+//= setting SVG-safe colors =
+//===========================
+- (IBAction)setFillToClosestHashed:(id)sender {
+ NSArray *sel = [nodeStyleArrayController selectedObjects];
+ if ([sel count] != 0) {
+ NodeStyle *sty = [sel objectAtIndex:0];
+ [sty willChangeValueForKey:@"fillColor"];
+ [sty willChangeValueForKey:@"fillColorIsKnown"];
+ [sty.fillColorRGB setToClosestHashed];
+ [sty didChangeValueForKey:@"fillColor"];
+ [sty didChangeValueForKey:@"fillColorIsKnown"];
+ }
+}
+
+- (IBAction)setStrokeToClosestHashed:(id)sender {
+ NSArray *sel = [nodeStyleArrayController selectedObjects];
+ if ([sel count] != 0) {
+ NodeStyle *sty = [sel objectAtIndex:0];
+ [sty willChangeValueForKey:@"strokeColor"];
+ [sty willChangeValueForKey:@"strokeColorIsKnown"];
+ [sty.strokeColorRGB setToClosestHashed];
+ [sty didChangeValueForKey:@"strokeColor"];
+ [sty didChangeValueForKey:@"strokeColorIsKnown"];
+ }
+}
+
+//=================================================
+//= setting filter predicates for nodes and edges =
+//=================================================
+- (NSString*)displayedNodeStyleCategory {
+ return displayedNodeStyleCategory;
+}
+
+- (void)setDisplayedNodeStyleCategory:(NSString *)cat {
+ [self willChangeValueForKey:@"displayedNodeStylePredicate"];
+ displayedNodeStyleCategory = cat;
+ [self didChangeValueForKey:@"displayedNodeStylePredicate"];
+}
+
+- (NSString*)displayedEdgeStyleCategory {
+ return displayedEdgeStyleCategory;
+}
+
+- (void)setDisplayedEdgeStyleCategory:(NSString *)cat {
+ [self willChangeValueForKey:@"displayedEdgeStylePredicate"];
+ displayedEdgeStyleCategory = cat;
+ [self didChangeValueForKey:@"displayedEdgeStylePredicate"];
+}
+
+- (NSPredicate*)displayedNodeStylePredicate {
+ return [NSPredicate predicateWithFormat:@"category == %@", displayedNodeStyleCategory];
+}
+
+- (NSPredicate*)displayedEdgeStylePredicate {
+ return [NSPredicate predicateWithFormat:@"category == %@", displayedEdgeStyleCategory];
+}
+
+
+//==============================
+//= getting and setting styles =
+//==============================
+
+- (IBAction)applyActiveNodeStyle:(id)sender {
+ NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+ TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+
+ if (doc != nil) {
+ [[doc graphicsView] applyStyleToSelectedNodes:[self activeNodeStyle]];
+ }
+
+ [[doc graphicsView] postSelectionChange];
+}
+
+- (IBAction)clearActiveNodeStyle:(id)sender {
+ [self setActiveNodeStyle:nil];
+
+ NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+ TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+
+ if (doc != nil) {
+ [[doc graphicsView] applyStyleToSelectedNodes:nil];
+ }
+
+ [[doc graphicsView] postSelectionChange];
+}
+
+- (NodeStyle*)activeNodeStyle {
+ NSArray *sel = [filteredNodeStyleArrayController selectedObjects];
+ if ([sel count] == 0) return nil;
+ else return [sel objectAtIndex:0];
+}
+
+- (void)setActiveNodeStyle:(NodeStyle*)style {
+ if ([nodeStyles containsObject:style]) {
+ [filteredNodeStyleArrayController setSelectedObjects:[NSArray arrayWithObject:style]];
+ } else {
+ [filteredNodeStyleArrayController setSelectedObjects:[NSArray array]];
+ }
+}
+
+- (IBAction)appleActiveEdgeStyle:(id)sender {
+ NSDocumentController *dc = [NSDocumentController sharedDocumentController];
+ TikzDocument *doc = (TikzDocument*)[dc currentDocument];
+
+ if (doc != nil) {
+ [[doc graphicsView] applyStyleToSelectedEdges:[self activeEdgeStyle]];
+ }
+}
+
+- (IBAction)clearActiveEdgeStyle:(id)sender {
+ [self setActiveEdgeStyle:nil];
+ [self appleActiveEdgeStyle:sender];
+}
+
+- (EdgeStyle*)activeEdgeStyle {
+ NSArray *sel = [filteredEdgeStyleArrayController selectedObjects];
+ if ([sel count] == 0) return nil;
+ else return [sel objectAtIndex:0];
+}
+
+- (void)setActiveEdgeStyle:(EdgeStyle*)style {
+ if ([edgeStyles containsObject:style]) {
+ [filteredEdgeStyleArrayController setSelectedObjects:[NSArray arrayWithObject:style]];
+ } else {
+ [filteredEdgeStyleArrayController setSelectedObjects:[NSArray array]];
+ }
+}
+
+
+//=================
+//= adding styles =
+//=================
+
+- (IBAction)addEdgeStyle:(id)sender {
+ EdgeStyle *sty = [[EdgeStyle alloc] init];
+ [sty setCategory:displayedEdgeStyleCategory];
+ [edgeStyleArrayController addObject:sty];
+ [self setActiveEdgeStyle:sty];
+}
+
+- (IBAction)addNodeStyle:(id)sender {
+ NodeStyle *sty = [[NodeStyle alloc] init];
+ [sty setCategory:displayedNodeStyleCategory];
+ [nodeStyleArrayController addObject:sty];
+ [self setActiveNodeStyle:sty];
+}
+
+
+@end
diff --git a/tikzit/src/osx/TikzDocument.h b/tikzit/src/osx/TikzDocument.h
new file mode 100644
index 0000000..d817b2e
--- /dev/null
+++ b/tikzit/src/osx/TikzDocument.h
@@ -0,0 +1,37 @@
+//
+// TikzDocument.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "GraphicsView.h"
+#import "TikzSourceController.h"
+#import "PreviewController.h"
+#import "GraphicsView.h"
+
+@interface TikzDocument : NSDocument {
+ NSString *tikz;
+}
+
+@property (readonly) NSString *tikz;
+@property (readonly) GraphicsView *graphicsView;
+
+@end
diff --git a/tikzit/src/osx/TikzDocument.m b/tikzit/src/osx/TikzDocument.m
new file mode 100644
index 0000000..ef5908d
--- /dev/null
+++ b/tikzit/src/osx/TikzDocument.m
@@ -0,0 +1,84 @@
+//
+// TikzDocument.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "TikzDocument.h"
+#import "TikzWindowController.h"
+
+@implementation TikzDocument
+
+@synthesize tikz;
+
+- (id)init {
+ self = [super init];
+ if (self) {
+ tikz = nil;
+ }
+ return self;
+}
+
+//- (NSString *)windowNibName {
+// // Override returning the nib file name of the document
+// // If you need to use a subclass of NSWindowController or if your document supports multiple NSWindowControllers, you should remove this method and override -makeWindowControllers instead.
+// return @"TikzDocument";
+//}
+
+- (void)makeWindowControllers {
+ TikzWindowController *wc = [[TikzWindowController alloc] initWithDocument:self];
+ [self addWindowController:wc];
+}
+
+- (void)windowControllerDidLoadNib:(NSWindowController *) aController {
+ [super windowControllerDidLoadNib:aController];
+ [[self graphicsView] refreshLayers];
+ // Add any code here that needs to be executed once the windowController has loaded the document's window.
+}
+
+- (NSData *)dataOfType:(NSString *)typeName error:(NSError **)outError {
+ TikzWindowController *wc =
+ (TikzWindowController*)[[self windowControllers] objectAtIndex:0];
+ NSData *outData = [[[wc tikzSourceController] tikz] dataUsingEncoding:NSUTF8StringEncoding];
+
+ if ( outError != NULL ) {
+ *outError = [NSError errorWithDomain:NSOSStatusErrorDomain code:unimpErr userInfo:NULL];
+ }
+ return outData;
+}
+
+- (BOOL)readFromData:(NSData *)data ofType:(NSString *)typeName error:(NSError **)outError {
+ tikz = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+
+ if ( outError != NULL ) {
+ *outError = [NSError errorWithDomain:NSOSStatusErrorDomain code:unimpErr userInfo:NULL];
+ }
+
+ return YES;
+}
+
+- (GraphicsView*)graphicsView {
+ TikzWindowController *wc =
+ (TikzWindowController*)[[self windowControllers] objectAtIndex:0];
+ return [wc graphicsView];
+}
+
+
+@end
diff --git a/tikzit/src/osx/TikzParser.h b/tikzit/src/osx/TikzParser.h
new file mode 100644
index 0000000..18b183f
--- /dev/null
+++ b/tikzit/src/osx/TikzParser.h
@@ -0,0 +1,66 @@
+//
+// TikzParser.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <ParseKit/ParseKit.h>
+
+#import "Graph.h"
+
+@interface TikzParser : NSObject {
+ PKParser *nodeParser;
+ PKParser *edgeParser;
+ PKParser *tikzPictureParser;
+ PKTokenizer *tokenizer;
+
+ NSString *currentKey;
+ NSString *currentSourceArrow;
+
+ NSMutableArray *atoms;
+ NSMutableDictionary *properties;
+ NSString *leftArrow;
+ NSString *rightArrow;
+
+ GraphElementData *elementData;
+
+ Graph *graph;
+ Node *currentNode;
+ NSMutableDictionary *nodeTable;
+
+ Edge *currentEdge;
+ BOOL matchingEdgeNode;
+ NSString *sourceName;
+ NSString *targName;
+
+ NSPoint bbox1, bbox2;
+ BOOL bboxFirstPoint;
+}
+
+@property (retain) Graph *graph;
+
+- (id)init;
+- (BOOL)parseNode:(NSString*)str;
+- (BOOL)parseEdge:(NSString*)str;
+- (BOOL)parseTikzPicture:(NSString*)str forGraph:(Graph*)g;
+- (BOOL)parseTikzPicture:(NSString *)str;
+
+@end
diff --git a/tikzit/src/osx/TikzParser.m b/tikzit/src/osx/TikzParser.m
new file mode 100644
index 0000000..2bb5a15
--- /dev/null
+++ b/tikzit/src/osx/TikzParser.m
@@ -0,0 +1,574 @@
+//
+// TikzParser.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "TikzParser.h"
+
+// custom parsekit extensions
+#import "PKNaturalNumber.h"
+#import "PKRepetition+RepeatPlus.h"
+#import "PKSpecificDelimitedString.h"
+#import "PKBalancingDelimitState.h"
+
+#import "util.h"
+
+@interface TikzParser ()
+
+- (NSString*)popAllToString:(PKAssembly*)a withSeparator:(NSString*)sep;
+- (PKParser*)eatSymbol:(NSString*)s;
+- (PKParser*)eatLiteral:(NSString*)s;
+- (PKParser*)eatWord;
+
+// properties
+- (void)willMatchProplist:(PKAssembly*)a;
+- (void)didMatchProplist:(PKAssembly*)a;
+- (void)willMatchProperty:(PKAssembly*)a;
+- (void)didMatchArrowSpecDash:(PKAssembly*)a;
+
+// nodes
+- (void)didMatchNodeCommand:(PKAssembly*)a;
+- (void)didMatchNodeLabel:(PKAssembly*)a;
+- (void)didMatchNode:(PKAssembly*)a;
+- (void)didMatchNodeName:(PKAssembly*)a;
+- (void)didMatchCoords:(PKAssembly*)a;
+
+// edges
+- (void)didMatchDrawCommand:(PKAssembly *)a;
+- (void)didMatchEdge:(PKAssembly*)a;
+- (void)didMatchEdgeNodeCommand:(PKAssembly*)a;
+- (void)didMatchEdgeNode:(PKAssembly*)a;
+
+// bounding box
+- (void)didMatchPathCommand:(PKAssembly*)a;
+- (void)didMatchBoundingBox:(PKAssembly*)a;
+
+// tikzpicture
+- (void)willMatchTikzPicture:(PKAssembly*)a;
+- (void)didMatchTikzPicture:(PKAssembly*)a;
+
+@end
+
+
+@implementation TikzParser
+
+@synthesize graph;
+
+- (id)init {
+ [super init];
+
+ currentKey = nil;
+ currentSourceArrow = nil;
+ tokenizer = [PKTokenizer tokenizer];
+
+ graph = nil;
+ currentNode = nil;
+ currentEdge = nil;
+ matchingEdgeNode = NO;
+
+ // tweak the tokenizer a bit
+ [tokenizer.symbolState remove:@"<="];
+ [tokenizer.symbolState remove:@">="];
+ [tokenizer.symbolState remove:@"{"];
+ [tokenizer.symbolState remove:@"}"];
+ [tokenizer setTokenizerState:tokenizer.wordState from:'\\' to:'\\'];
+ [tokenizer.wordState setWordChars:NO from:'-' to:'-'];
+ tokenizer.delimitState = [[PKBalancingDelimitState alloc] init];
+ [tokenizer.delimitState addStartMarker:@"{"
+ endMarker:@"}"
+ allowedCharacterSet:nil];
+ [tokenizer setTokenizerState:tokenizer.delimitState from:'{' to:'{'];
+
+ /*
+
+
+ GRAMMAR FOR TIKZPICTURE
+
+ tikzpicture = '\begin' '{tikzpicture}'
+ optproplist
+ expr*
+ '\end' '{tikzpicture}'
+ expr = node | edge | boundingbox | layerexpr
+ layerexpr = '\begin' '{pgfonlayer}' DelimitedString | '\end' '{pgfonlayer}'
+
+
+ GRAMMAR FOR PROPERTY LISTS
+
+ optproplist = proplist | Empty;
+ proplist = '[' property property1* ']';
+ property = arrowspec | keyval | atom;
+ property1 = ',' property;
+ keyval = key '=' val;
+ atom = propsym+;
+ arrowspec = propsym* '-' propsym*;
+ key = propsym+;
+ val = propsym+ | QuotedString;
+ propsym = (Word | Number | '<' | '>');
+
+
+ GRAMMAR FOR NODES
+
+ node = '\node' optproplist name 'at' coords DelimitedString ';';
+ nodename = '(' nodeid ')';
+ nodeid = Word | NaturalNumber;
+ coords = '(' Number ',' Number ')';
+
+
+ GRAMMAR FOR EDGES
+
+ edge = '\draw' optproplist nodename 'to' optedgenode ( nodename | selfloop ) ';';
+ selfloop = '(' ')';
+ optedgenode = Empty | edgenode
+ edgenode = 'node' optproplist name coords '{' '}' ';';
+
+ GRAMMAR FOR BOUNDING BOX
+
+ boundingbox = '\path' '[' 'use' 'as' 'bounding' 'box' ']' coords 'rectangle' coords ';'
+
+ */
+
+
+ PKAlternation *nodeid = [PKAlternation alternation];
+ nodeid.name = @"node identifier";
+ [nodeid add:[PKWord word]];
+ [nodeid add:[PKNaturalNumber number]];
+
+ PKAlternation *propsym = [PKAlternation alternation];
+ propsym.name = @"property symbol";
+ [propsym add:[PKWord word]];
+ [propsym add:[PKNumber number]];
+ [propsym add:[PKSymbol symbolWithString:@"<"]];
+ [propsym add:[PKSymbol symbolWithString:@">"]];
+
+ PKSequence *anchor = [PKSequence sequence];
+ [anchor add:[self eatSymbol:@"."]];
+ [anchor add:[self eatWord]];
+
+ PKAlternation *optanchor = [PKAlternation alternation];
+ [optanchor add:anchor];
+ [optanchor add:[PKEmpty empty]];
+
+ PKSequence *nodename = [PKSequence sequence];
+ nodename.name = @"node name";
+ [nodename add:[self eatSymbol:@"("]];
+ [nodename add:nodeid];
+ [nodename add:optanchor];
+ [nodename add:[self eatSymbol:@")"]];
+ [nodename setAssembler:self selector:@selector(didMatchNodeName:)];
+
+ PKTrack *coords = [PKTrack track];
+ coords.name = @"coordinate definition";
+ [coords add:[self eatSymbol:@"("]];
+ [coords add:[PKNumber number]];
+ [coords add:[self eatSymbol:@","]];
+ [coords add:[PKNumber number]];
+ [coords add:[self eatSymbol:@")"]];
+ [coords setAssembler:self selector:@selector(didMatchCoords:)];
+
+ PKSequence *key = [PKRepetition repetitionPlusWithSubparser:propsym];
+
+ PKAlternation *val = [PKAlternation alternation];
+ [val add:[PKRepetition repetitionPlusWithSubparser:propsym]];
+ [val add:[PKQuotedString quotedString]];
+ [val setPreassembler:self selector:@selector(willMatchVal:)];
+
+ PKSequence *keyval = [PKSequence sequence];
+ [keyval add:key];
+ [keyval add:[self eatLiteral:@"="]];
+ [keyval add:val];
+
+ PKSequence *atom = [PKRepetition repetitionPlusWithSubparser:propsym];
+
+ PKSymbol *arrowspecdash = [PKSymbol symbolWithString:@"-"];
+ [arrowspecdash setAssembler:self selector:@selector(didMatchArrowSpecDash:)];
+
+ PKSequence *arrowspec = [PKSequence sequence];
+ [arrowspec add:[PKRepetition repetitionWithSubparser:propsym]];
+ [arrowspec add:arrowspecdash];
+ [arrowspec add:[PKRepetition repetitionWithSubparser:propsym]];
+
+ PKAlternation *property = [PKAlternation alternation];
+ property.name = @"property, atom, or arrow specification";
+ [property add:keyval];
+ [property add:arrowspec];
+ [property add:atom];
+ [property setPreassembler:self selector:@selector(willMatchProperty:)];
+
+ PKSequence *property1 = [PKSequence sequence];
+ [property1 add:[self eatLiteral:@","]];
+ [property1 add:property];
+
+ PKTrack *proplist = [PKTrack track];
+ proplist.name = @"property list";
+ [proplist add:[self eatSymbol:@"["]];
+ [proplist add:property];
+ [proplist add:[PKRepetition repetitionWithSubparser:property1]];
+ [proplist add:[self eatSymbol:@"]"]];
+ [proplist setPreassembler:self selector:@selector(willMatchProplist:)];
+ [proplist setAssembler:self selector:@selector(didMatchProplist:)];
+
+ PKAlternation *optproplist = [PKAlternation alternation];
+ [optproplist add:proplist];
+ [optproplist add:[PKEmpty empty]];
+
+ PKLiteral *nodeCommand = [PKLiteral literalWithString:@"\\node"];
+ [nodeCommand setAssembler:self selector:@selector(didMatchNodeCommand:)];
+
+ PKTerminal *nodeLabel = [PKDelimitedString delimitedString];
+ nodeLabel.name = @"Possibly empty node label";
+ [nodeLabel setAssembler:self selector:@selector(didMatchNodeLabel:)];
+
+ PKTrack *node = [PKTrack track];
+ [node add:nodeCommand];
+ [node add:optproplist];
+ [node add:nodename];
+ [node add:[self eatLiteral:@"at"]];
+ [node add:coords];
+ [node add:nodeLabel];
+ //[node add:[[PKDelimitedString delimitedString] discard]];
+ [node add:[self eatSymbol:@";"]];
+ [node setAssembler:self selector:@selector(didMatchNode:)];
+
+ PKLiteral *drawCommand = [PKLiteral literalWithString:@"\\draw"];
+ [drawCommand setAssembler:self selector:@selector(didMatchDrawCommand:)];
+
+ PKSequence *parens = [PKSequence sequence];
+ [parens add:[self eatSymbol:@"("]];
+ [parens add:[self eatSymbol:@")"]];
+
+ PKAlternation *nodenamealt = [PKAlternation alternation];
+ nodenamealt.name = @"node name or '()'";
+ [nodenamealt add:nodename];
+ [nodenamealt add:parens];
+
+ PKLiteral *edgenodeCommand = [PKLiteral literalWithString:@"node"];
+ edgenodeCommand.name = @"edge node command";
+ [edgenodeCommand setAssembler:self selector:@selector(didMatchEdgeNodeCommand:)];
+
+ PKSequence *edgenode = [PKSequence sequence];
+ [edgenode add:edgenodeCommand];
+ [edgenode add:optproplist];
+ [edgenode add:nodeLabel];
+ edgenode.name = @"edge node";
+ [edgenode setAssembler:self selector:@selector(didMatchEdgeNode:)];
+
+
+ PKAlternation *optedgenode = [PKAlternation alternation];
+ [optedgenode add:[PKEmpty empty]];
+ [optedgenode add:edgenode];
+
+
+ PKTrack *edge = [PKTrack track];
+ [edge add:drawCommand];
+ [edge add:optproplist];
+ [edge add:nodename];
+ [edge add:[self eatLiteral:@"to"]];
+ [edge add:optedgenode];
+ [edge add:nodenamealt];
+ [edge add:[self eatSymbol:@";"]];
+ [edge setAssembler:self selector:@selector(didMatchEdge:)];
+
+
+ PKLiteral *pathliteral = [PKLiteral literalWithString:@"\\path"];
+ [pathliteral setAssembler:self selector:@selector(didMatchPathCommand:)];
+
+ PKTrack *boundingbox = [PKTrack track];
+ [boundingbox add:pathliteral];
+ [boundingbox add:[self eatSymbol:@"["]];
+ [boundingbox add:[self eatLiteral:@"use"]];
+ [boundingbox add:[self eatLiteral:@"as"]];
+ [boundingbox add:[self eatLiteral:@"bounding"]];
+ [boundingbox add:[self eatLiteral:@"box"]];
+ [boundingbox add:[self eatSymbol:@"]"]];
+ [boundingbox add:coords];
+ [boundingbox add:[self eatLiteral:@"rectangle"]];
+ [boundingbox add:coords];
+ [boundingbox add:[self eatSymbol:@";"]];
+ [boundingbox setAssembler:self selector:@selector(didMatchBoundingBox:)];
+
+ PKTerminal *layerLiteral =
+ [[PKSpecificDelimitedString delimitedStringWithValue:@"{pgfonlayer}"]
+ discard];
+
+ PKSequence *beginLayer = [PKSequence sequence];
+ [beginLayer add:[self eatLiteral:@"\\begin"]];
+ [beginLayer add:layerLiteral];
+ [beginLayer add:[[PKDelimitedString delimitedString] discard]];
+
+ PKSequence *endLayer = [PKSequence sequence];
+ [endLayer add:[self eatLiteral:@"\\end"]];
+ [endLayer add:layerLiteral];
+
+ PKAlternation *expr = [PKAlternation alternation];
+ [expr add:node];
+ [expr add:edge];
+ [expr add:boundingbox];
+ [expr add:beginLayer];
+ [expr add:endLayer];
+
+ PKTerminal *tikzpicLiteral =
+ [[PKSpecificDelimitedString delimitedStringWithValue:@"{tikzpicture}"]
+ discard];
+
+ //tikzpicLiteral.name = @"{tikzpicture}";
+
+ PKTrack *tikzpic = [PKTrack track];
+ [tikzpic add:[PKEmpty empty]];
+ [tikzpic add:[self eatLiteral:@"\\begin"]];
+ [tikzpic add:tikzpicLiteral];
+ [tikzpic add:optproplist];
+ [tikzpic add:[PKRepetition repetitionWithSubparser:expr]];
+ [tikzpic add:[self eatLiteral:@"\\end"]];
+ [tikzpic add:tikzpicLiteral];
+ [tikzpic setPreassembler:self selector:@selector(willMatchTikzPicture:)];
+ [tikzpic setAssembler:self selector:@selector(didMatchTikzPicture:)];
+
+ nodeParser = node;
+ edgeParser = edge;
+ tikzPictureParser = tikzpic;
+
+ return self;
+}
+
+- (NSString*)popAllToString:(PKAssembly*)a withSeparator:(NSString*)sep {
+ NSString *str = @"";
+ BOOL fst = YES;
+
+ while (![a isStackEmpty]) {
+ if (fst) fst = NO;
+ else str = [sep stringByAppendingString:str];
+
+ PKToken *tok = [a pop];
+ str = [tok.stringValue stringByAppendingString:str];
+ }
+
+ return str;
+}
+
+- (PKParser*)eatSymbol:(NSString*)s {
+ return [[PKSymbol symbolWithString:s] discard];
+}
+
+- (PKParser*)eatLiteral:(NSString*)s {
+ return [[PKLiteral literalWithString:s] discard];
+}
+
+- (PKParser*)eatWord {
+ return [[PKWord word] discard];
+}
+
+- (void)packProperty:(PKAssembly*)a {
+ BOOL empty = [a isStackEmpty];
+ NSString *val = [self popAllToString:a withSeparator:@" "];
+
+ if (currentKey != nil) {
+ [elementData setProperty:val forKey:currentKey];
+// NSLog(@" keyval: (%@) => (%@)", currentKey, val);
+ } else if (currentSourceArrow != nil) {
+ [elementData setArrowSpecFrom:currentSourceArrow to:val];
+// NSLog(@" arrowspec: (%@-%@)", currentSourceArrow, val);
+ } else if (!empty) {
+ [elementData setAtom:val];
+// NSLog(@" atom: (%@)", val);
+ }
+
+ currentKey = nil;
+ currentSourceArrow = nil;
+}
+
+- (BOOL)parseNode:(NSString *)str {
+ tokenizer.string = str;
+ PKAssembly *res = [nodeParser completeMatchFor:[PKTokenAssembly assemblyWithTokenizer:tokenizer]];
+
+// NSLog(@"result: %@", res);
+ return res != nil;
+}
+
+- (BOOL)parseEdge:(NSString *)str {
+ tokenizer.string = str;
+ PKAssembly *res = [edgeParser completeMatchFor:[PKTokenAssembly assemblyWithTokenizer:tokenizer]];
+
+// NSLog(@"result: %@", res);
+ return res != nil;
+}
+
+- (BOOL)parseTikzPicture:(NSString*)str forGraph:(Graph*)g {
+ self.graph = g;
+ tokenizer.string = str;
+ PKTokenAssembly *assm = [PKTokenAssembly assemblyWithTokenizer:tokenizer];
+ PKAssembly *res = [tikzPictureParser completeMatchFor:assm];
+
+// NSLog(@"result: %@", res);
+ return res != nil;
+}
+
+- (BOOL)parseTikzPicture:(NSString *)str {
+ return [self parseTikzPicture:str forGraph:[Graph graph]];
+}
+
+
+- (void)didMatchNodeCommand:(PKAssembly*)a {
+ [a pop];
+ currentNode = [Node node];
+ [currentNode updateData];
+// NSLog(@"<node>");
+}
+
+- (void)didMatchNodeLabel:(PKAssembly*)a {
+ PKToken *tok = [a pop];
+ NSString *s = tok.stringValue;
+ s = [s substringWithRange:NSMakeRange(1, [s length]-2)];
+ if (matchingEdgeNode) currentEdge.edgeNode.label = s;
+ else currentNode.label = s;
+}
+
+- (void)didMatchNode:(PKAssembly*)a {
+ [nodeTable setObject:currentNode forKey:currentNode.name];
+ [graph addNode:currentNode];
+ currentNode = nil;
+// NSLog(@"</node>");
+}
+
+- (void)didMatchDrawCommand:(PKAssembly*)a {
+ [a pop];
+ currentEdge = [Edge edge];
+ sourceName = nil;
+ targName = nil;
+// NSLog(@"<edge>");
+}
+
+- (void)didMatchEdge:(PKAssembly*)a {
+ Node *src = [nodeTable objectForKey:sourceName];
+ currentEdge.source = src;
+ currentEdge.target = (targName == nil) ? src : [nodeTable objectForKey:targName];
+ [currentEdge setAttributesFromData];
+ [graph addEdge:currentEdge];
+ currentEdge = nil;
+// NSLog(@"</edge>");
+}
+
+- (void)didMatchEdgeNodeCommand:(PKAssembly*)a {
+ [a pop];
+ matchingEdgeNode = YES;
+ currentEdge.edgeNode = [Node node];
+}
+
+- (void)didMatchEdgeNode:(PKAssembly*)a {
+ matchingEdgeNode = NO;
+}
+
+- (void)willMatchVal:(PKAssembly*)a {
+ currentKey = [self popAllToString:a withSeparator:@" "];
+// NSLog(@"key: %@", currentKey);
+}
+
+- (void)willMatchProperty:(PKAssembly*)a {
+ [self packProperty:a];
+}
+
+- (void)willMatchProplist:(PKAssembly*)a {
+ elementData = [[GraphElementData alloc] init];
+}
+
+- (void)didMatchProplist:(PKAssembly*)a {
+ [self packProperty:a];
+
+ if (currentNode != nil) {
+ currentNode.data = elementData;
+ } else if (currentEdge != nil) {
+ if (matchingEdgeNode) currentEdge.edgeNode.data = elementData;
+ else currentEdge.data = elementData;
+ } else { // add properties to to graph
+ graph.data = elementData;
+ }
+
+ elementData = nil;
+}
+
+- (void)didMatchNodeName:(PKAssembly*)a {
+ NSString *name = ((PKToken*)[a pop]).stringValue;
+
+ if (currentNode != nil) {
+ currentNode.name = name;
+// NSLog(@" name: (%@)", name);
+ } else if (currentEdge != nil) {
+ if (sourceName == nil) {
+ sourceName = name;
+// NSLog(@" source: (%@)", name);
+ } else {
+ targName = name;
+// NSLog(@" target: (%@)", name);
+ }
+ }
+}
+
+- (void)didMatchCoords:(PKAssembly*)a {
+ NSPoint p;
+ p.y = ((PKToken*)[a pop]).floatValue;
+ p.x = ((PKToken*)[a pop]).floatValue;
+
+ if (currentNode != nil) {
+ currentNode.point = p;
+ } else {
+ if (bboxFirstPoint) {
+ bboxFirstPoint = NO;
+ bbox1 = p;
+ } else {
+ bbox2 = p;
+ }
+ }
+
+// NSLog(@" coord: (%f, %f)", p.x, p.y);
+}
+
+- (void)didMatchPathCommand:(PKAssembly*)a {
+ [a pop];
+ bboxFirstPoint = YES;
+}
+
+- (void)didMatchBoundingBox:(PKAssembly*)a {
+ graph.boundingBox = NSRectAroundPoints(bbox1, bbox2);
+}
+
+- (void)didMatchArrowSpecDash:(PKAssembly*)a {
+ [a pop]; // pop off the dash
+ currentSourceArrow = [self popAllToString:a withSeparator:@" "];
+}
+
+- (void)willMatchTikzPicture:(PKAssembly*)a {
+// NSLog(@"<tikz>");
+ nodeTable = [NSMutableDictionary dictionary];
+}
+
+- (void)didMatchTikzPicture:(PKAssembly*)a {
+// NSLog(@"</tikz>");
+// NSLog(@"%@", [graph tikz]);
+}
+
+- (void)finalize {
+// NSLog(@"releasing subparser trees");
+ PKReleaseSubparserTree(nodeParser);
+ PKReleaseSubparserTree(edgeParser);
+ PKReleaseSubparserTree(tikzPictureParser);
+ [super finalize];
+}
+
+@end
diff --git a/tikzit/src/osx/TikzSourceController.h b/tikzit/src/osx/TikzSourceController.h
new file mode 100644
index 0000000..01c2cf3
--- /dev/null
+++ b/tikzit/src/osx/TikzSourceController.h
@@ -0,0 +1,66 @@
+//
+// TikzSourceController.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import <Cocoa/Cocoa.h>
+
+#import "GraphicsView.h"
+#import "TikzGraphAssembler.h"
+
+@interface TikzSourceController : NSObject {
+ GraphicsView *graphicsView;
+ NSTextView *sourceView;
+ NSAttributedString *source;
+ NSTextField *status;
+ NSDictionary *textAttrs;
+ NSColor *successColor;
+ NSColor *failedColor;
+
+
+ NSUndoManager *documentUndoManager;
+
+ BOOL tikzChanged;
+ BOOL justUndid;
+
+ TikzGraphAssembler *assembler;
+}
+
+@property BOOL tikzChanged;
+@property IBOutlet GraphicsView *graphicsView;
+@property IBOutlet NSTextView *sourceView;
+@property IBOutlet NSTextField *status;
+@property NSUndoManager *documentUndoManager;
+@property (copy) NSAttributedString *source;
+@property (copy) NSString *tikz;
+
+- (void)updateTikzFromGraph;
+- (void)graphChanged:(NSNotification*)n;
+
+// called by code, these do not register an undo
+- (BOOL)tryParseTikz;
+- (void)doRevertTikz;
+
+// called by user, these do register an undo
+- (void)parseTikz:(id)sender;
+- (void)revertTikz:(id)sender;
+
+@end
diff --git a/tikzit/src/osx/TikzSourceController.m b/tikzit/src/osx/TikzSourceController.m
new file mode 100644
index 0000000..6d1580c
--- /dev/null
+++ b/tikzit/src/osx/TikzSourceController.m
@@ -0,0 +1,196 @@
+//
+// TikzSourceController.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "TikzSourceController.h"
+#import "Graph.h"
+
+@implementation TikzSourceController
+
+@synthesize graphicsView, sourceView, source, status;
+@synthesize documentUndoManager, tikzChanged;
+
+- (void)endEditing {
+ NSResponder *res = [[sourceView window] firstResponder];
+ [[sourceView window] makeFirstResponder:nil];
+ [[sourceView window] makeFirstResponder:res];
+}
+
+- (void)undoParseTikz:(Graph *)oldGraph {
+ [graphicsView setGraph:oldGraph];
+ [graphicsView setEnabled:NO];
+ [graphicsView postGraphChange];
+ [graphicsView refreshLayers];
+
+ [documentUndoManager registerUndoWithTarget:self
+ selector:@selector(parseTikz:)
+ object:self];
+ [documentUndoManager setActionName:@"Parse Tikz"];
+}
+
+- (void)undoRevertTikz:(NSString*)oldTikz {
+ [self setTikz:oldTikz];
+ [graphicsView setEnabled:NO];
+ [graphicsView refreshLayers];
+
+ [documentUndoManager registerUndoWithTarget:self
+ selector:@selector(revertTikz:)
+ object:self];
+ [documentUndoManager setActionName:@"Revert Tikz"];
+}
+
+- (void)undoTikzChange:(id)ignore {
+ [graphicsView setEnabled:YES];
+ [graphicsView refreshLayers];
+ [self endEditing];
+ [self updateTikzFromGraph];
+ [documentUndoManager registerUndoWithTarget:self
+ selector:@selector(redoTikzChange:)
+ object:nil];
+ [documentUndoManager setActionName:@"Tikz Change"];
+}
+
+- (void)redoTikzChange:(id)ignore {
+ [graphicsView setEnabled:NO];
+ [graphicsView refreshLayers];
+ [documentUndoManager registerUndoWithTarget:self
+ selector:@selector(undoTikzChange:)
+ object:nil];
+ [documentUndoManager setActionName:@"Tikz Change"];
+}
+
+
+- (void)awakeFromNib {
+ justUndid = NO;
+ assembler = [[TikzGraphAssembler alloc] init];
+
+ successColor = [NSColor colorWithCalibratedRed:0.0f
+ green:0.5f
+ blue:0.0f
+ alpha:1.0f];
+ failedColor = [NSColor redColor];
+
+ NSFont *font = [NSFont userFixedPitchFontOfSize:11.0f];
+
+ if (font != nil) {
+ textAttrs = [NSDictionary dictionaryWithObject:font
+ forKey:NSFontAttributeName];
+ } else {
+ NSLog(@"WARNING: couldn't find monospaced font.");
+ textAttrs = [NSDictionary dictionary];
+ }
+
+
+ [self graphChanged:nil];
+ [[NSNotificationCenter defaultCenter] addObserver:self
+ selector:@selector(graphChanged:)
+ name:@"GraphChanged"
+ object:graphicsView];
+}
+
+- (void)setTikz:(NSString *)str {
+ [self willChangeValueForKey:@"source"];
+ source = [[NSAttributedString alloc] initWithString:str attributes:textAttrs];
+ [self didChangeValueForKey:@"source"];
+}
+
+- (NSString*)tikz {
+ return [source string];
+}
+
+- (void)updateTikzFromGraph {
+ [self setTikz:[[graphicsView graph] tikz]];
+}
+
+- (void)graphChanged:(NSNotification*)n {
+ if ([graphicsView enabled]) [self updateTikzFromGraph];
+}
+
+- (void)textDidBeginEditing:(NSNotification *)notification {
+ if ([graphicsView enabled]) {
+ [graphicsView setEnabled:NO];
+ [graphicsView refreshLayers];
+ [documentUndoManager registerUndoWithTarget:self
+ selector:@selector(undoTikzChange:)
+ object:nil];
+ [documentUndoManager setActionName:@"Tikz Change"];
+ }
+}
+
+- (BOOL)tryParseTikz {
+ BOOL success = [assembler parseTikz:[self tikz]];
+
+ if (success) {
+ [graphicsView deselectAll:self];
+ [graphicsView setGraph:[assembler graph]];
+ [graphicsView refreshLayers];
+ [self doRevertTikz];
+ }
+
+ return success;
+}
+
+- (void)doRevertTikz {
+ [self updateTikzFromGraph];
+ [self endEditing];
+ [graphicsView setEnabled:YES];
+ [graphicsView refreshLayers];
+ [status setStringValue:@""];
+}
+
+- (void)parseTikz:(id)sender {
+ if (![graphicsView enabled]) {
+ Graph *oldGraph = [graphicsView graph];
+ if ([self tryParseTikz]) {
+ [self endEditing];
+ [documentUndoManager registerUndoWithTarget:self
+ selector:@selector(undoParseTikz:)
+ object:oldGraph];
+ [documentUndoManager setActionName:@"Parse Tikz"];
+
+ [status setStringValue:@"success"];
+ [status setTextColor:successColor];
+ } else {
+ [status setStringValue:@"parse error"];
+ [status setTextColor:failedColor];
+ }
+ }
+}
+
+- (void)revertTikz:(id)sender {
+ if (![graphicsView enabled]) {
+ NSString *oldTikz = [[self tikz] copy];
+ [self doRevertTikz];
+
+ [documentUndoManager registerUndoWithTarget:self
+ selector:@selector(undoRevertTikz:)
+ object:oldTikz];
+ [documentUndoManager setActionName:@"Revert Tikz"];
+ }
+}
+
+- (void)finalize {
+ [[NSNotificationCenter defaultCenter] removeObserver:self];
+ [super finalize];
+}
+
+@end
diff --git a/tikzit/src/osx/TikzWindowController.h b/tikzit/src/osx/TikzWindowController.h
new file mode 100644
index 0000000..e35b7eb
--- /dev/null
+++ b/tikzit/src/osx/TikzWindowController.h
@@ -0,0 +1,31 @@
+//
+// TikzWindowController.h
+// TikZiT
+//
+// Created by Aleks Kissinger on 26/01/2011.
+// Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+@class TikzDocument, GraphicsView, TikzSourceController;
+
+@interface TikzWindowController : NSWindowController {
+ GraphicsView *graphicsView;
+ TikzSourceController *tikzSourceController;
+ TikzDocument *document;
+}
+
+@property IBOutlet GraphicsView *graphicsView;
+@property IBOutlet TikzSourceController *tikzSourceController;
+
+- (id)initWithDocument:(TikzDocument*)doc;
+
+// pass these straight to the tikz source controller
+- (void)parseTikz:(id)sender;
+- (void)revertTikz:(id)sender;
+- (void)zoomIn:(id)sender;
+- (void)zoomOut:(id)sender;
+- (void)zoomToActualSize:(id)sender;
+
+@end
diff --git a/tikzit/src/osx/TikzWindowController.m b/tikzit/src/osx/TikzWindowController.m
new file mode 100644
index 0000000..2e672d2
--- /dev/null
+++ b/tikzit/src/osx/TikzWindowController.m
@@ -0,0 +1,66 @@
+//
+// TikzWindowController.m
+// TikZiT
+//
+// Created by Aleks Kissinger on 26/01/2011.
+// Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "TikzWindowController.h"
+#import "TikzDocument.h"
+#import "GraphicsView.h"
+#import "TikzSourceController.h"
+
+@implementation TikzWindowController
+
+@synthesize graphicsView, tikzSourceController;
+
+- (id)initWithDocument:(TikzDocument*)doc {
+ [super initWithWindowNibName:@"TikzDocument"];
+ document = doc;
+ return self;
+}
+
+- (void)awakeFromNib {
+ if ([document tikz] != nil) {
+ [graphicsView setEnabled:NO];
+ [tikzSourceController setTikz:[document tikz]];
+ [tikzSourceController parseTikz:self];
+ }
+
+ [graphicsView setDocumentUndoManager:[document undoManager]];
+ [tikzSourceController setDocumentUndoManager:[document undoManager]];
+}
+
+- (void)parseTikz:(id)sender {
+ [tikzSourceController parseTikz:sender];
+}
+
+- (void)revertTikz:(id)sender {
+ [tikzSourceController revertTikz:sender];
+}
+
+- (void)previewTikz:(id)sender {
+ PreviewController *pc = [PreviewController defaultPreviewController];
+ if (![[pc window] isVisible]) [pc showWindow:sender];
+ [pc buildTikz:[tikzSourceController tikz]];
+}
+
+- (void)zoomIn:(id)sender {
+ float scale = [[graphicsView transformer] scale] * 1.25f;
+ [[graphicsView transformer] setScale:scale];
+ [graphicsView refreshLayers];
+}
+
+- (void)zoomOut:(id)sender {
+ float scale = [[graphicsView transformer] scale] * 0.8f;
+ [[graphicsView transformer] setScale:scale];
+ [graphicsView refreshLayers];
+}
+
+- (void)zoomToActualSize:(id)sender {
+ [[graphicsView transformer] setScale:50.0f];
+ [graphicsView refreshLayers];
+}
+
+@end
diff --git a/tikzit/src/osx/ToolPaletteController.h b/tikzit/src/osx/ToolPaletteController.h
new file mode 100644
index 0000000..e45c08d
--- /dev/null
+++ b/tikzit/src/osx/ToolPaletteController.h
@@ -0,0 +1,42 @@
+//
+// ToolPaletteController.h
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import <Cocoa/Cocoa.h>
+
+typedef enum {
+ TikzToolSelect,
+ TikzToolNode,
+ TikzToolEdge,
+ TikzToolCrop
+} TikzTool;
+
+@interface ToolPaletteController : NSObject {
+ NSPanel *toolPalette;
+ NSMatrix *toolMatrix;
+}
+
+@property TikzTool selectedTool;
+@property IBOutlet NSPanel *toolPalette;
+@property IBOutlet NSMatrix *toolMatrix;
+
+
+@end
diff --git a/tikzit/src/osx/ToolPaletteController.m b/tikzit/src/osx/ToolPaletteController.m
new file mode 100644
index 0000000..000287d
--- /dev/null
+++ b/tikzit/src/osx/ToolPaletteController.m
@@ -0,0 +1,58 @@
+//
+// ToolPaletteController.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "ToolPaletteController.h"
+
+
+@implementation ToolPaletteController
+
+@synthesize toolPalette, toolMatrix;
+
+- (TikzTool)selectedTool {
+ switch (toolMatrix.selectedRow) {
+ case 0: return TikzToolSelect;
+ case 1: return TikzToolNode;
+ case 2: return TikzToolEdge;
+ case 3: return TikzToolCrop;
+ }
+ return TikzToolSelect;
+}
+
+- (void)setSelectedTool:(TikzTool)tool {
+ switch (tool) {
+ case TikzToolSelect:
+ [toolMatrix selectCellAtRow:0 column:0];
+ break;
+ case TikzToolNode:
+ [toolMatrix selectCellAtRow:1 column:0];
+ break;
+ case TikzToolEdge:
+ [toolMatrix selectCellAtRow:2 column:0];
+ break;
+ case TikzToolCrop:
+ [toolMatrix selectCellAtRow:3 column:0];
+ break;
+ }
+}
+
+@end
diff --git a/tikzit/src/osx/main.m b/tikzit/src/osx/main.m
new file mode 100644
index 0000000..e6b4499
--- /dev/null
+++ b/tikzit/src/osx/main.m
@@ -0,0 +1,26 @@
+//
+// main.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+
+#import <Cocoa/Cocoa.h>
+
+int main(int argc, char *argv[])
+{
+ return NSApplicationMain(argc, (const char **) argv);
+}
diff --git a/tikzit/src/osx/test/main.m b/tikzit/src/osx/test/main.m
new file mode 100644
index 0000000..ad0c1f7
--- /dev/null
+++ b/tikzit/src/osx/test/main.m
@@ -0,0 +1,56 @@
+//
+// main.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#import "test/test.h"
+#include <string.h>
+
+void testCommon();
+void testOSX();
+
+int main(int argc, char **argv) {
+ if (argc == 2 && strcmp(argv[1], "--disable-color")==0) {
+ setColorEnabled(NO);
+ } else {
+ setColorEnabled(YES);
+ }
+
+ NSBundle *bund = [NSBundle bundleWithPath:@"TikZiT.app"];
+
+
+ PUTS(@"");
+ PUTS(@"**********************************************");
+ PUTS(@"TikZiT TESTS, OS X BUNDLE VERSION %@",
+ [bund objectForInfoDictionaryKey:@"CFBundleVersion"]);
+ PUTS(@"**********************************************");
+ PUTS(@"");
+
+ startTests();
+ testCommon();
+ testOSX();
+
+ PUTS(@"");
+ PUTS(@"**********************************************");
+ endTests();
+ PUTS(@"**********************************************");
+ PUTS(@"");
+} \ No newline at end of file
diff --git a/tikzit/src/osx/test/osx.m b/tikzit/src/osx/test/osx.m
new file mode 100644
index 0000000..f9565ab
--- /dev/null
+++ b/tikzit/src/osx/test/osx.m
@@ -0,0 +1,64 @@
+//
+// osx.m
+// TikZiT
+//
+// Copyright 2010 Aleks Kissinger. All rights reserved.
+//
+//
+// This file is part of TikZiT.
+//
+// TikZiT is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// TikZiT is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
+//
+#import "test/test.h"
+
+#import <Cocoa/Cocoa.h>
+
+void testOSX() {
+// char template[] = "/tmp/tikzit_test_tmp_XXXXXXX";
+// char *dir = mkdtemp(template);
+// NSString *tempDir = [NSString stringWithUTF8String:dir];
+//
+// NSString *testLatex =
+// @"\\documentclass{article}\n"
+// @"\\begin{document}\n"
+// @"test document\n"
+// @"\\end{document}\n";
+//
+// NSString *texFile = [NSString stringWithFormat:@"%@/test.tex", tempDir];
+// NSString *pdfFile = [NSString stringWithFormat:@"%@/test.pdf", tempDir];
+//
+// [testLatex writeToFile:texFile atomically:NO encoding:NSUTF8StringEncoding error:NULL];
+//
+// NSTask *task = [[NSTask alloc] init];
+// [task setLaunchPath:@"/bin/bash"];
+// NSPipe *inpt = [NSPipe pipe];
+// NSPipe *outpt = [NSPipe pipe];
+// [task setStandardInput:inpt];
+// [task setStandardOutput:outpt];
+//
+// [task launch];
+//
+// NSFileHandle *wr = [inpt fileHandleForWriting];
+// NSString *cmd =
+// [NSString stringWithFormat:
+// @"if [ -e ~/.profile ]; then source ~/.profile; fi"
+// @"if [ -e ~/.profile ]; then source ~/.profile; fi";
+// [wr writeData:[cmd dataUsingEncoding:NSUTF8StringEncoding]];
+// [wr closeFile];
+//
+// NSFileHandle *rd = [outpt fileHandleForReading];
+// NSString *res = [[NSString alloc] initWithData:[rd readDataToEndOfFile]
+// encoding:NSUTF8StringEncoding];
+// NSLog(@"got:\n %@", res);
+}
diff --git a/tikzit/src/tikzit.rc b/tikzit/src/tikzit.rc
new file mode 100644
index 0000000..072f825
--- /dev/null
+++ b/tikzit/src/tikzit.rc
@@ -0,0 +1,24 @@
+1 VERSIONINFO
+FILEVERSION 0,7,0,0
+PRODUCTVERSION 0,7,0,0
+BEGIN
+ BLOCK "StringFileInfo"
+ BEGIN
+ BLOCK "080904E4"
+ BEGIN
+ VALUE "FileDescription", "A graph editor for LaTeX"
+ VALUE "FileVersion", "1.0"
+ VALUE "InternalName", "tikzit"
+ VALUE "LegalCopyright", "Aleks Kissinger, Alex Merry, Chris Heunen"
+ VALUE "OriginalFilename", "tikzit.exe"
+ VALUE "ProductName", "TikZiT"
+ VALUE "ProductVersion", "0.7"
+ END
+ END
+
+ BLOCK "VarFileInfo"
+ BEGIN
+ VALUE "Translation", 0x809, 1252
+ END
+END
+id ICON "../tikzit.ico"