diff options
Diffstat (limited to 'src/linux/NodeStylesPalette.m')
| -rw-r--r-- | src/linux/NodeStylesPalette.m | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/src/linux/NodeStylesPalette.m b/src/linux/NodeStylesPalette.m new file mode 100644 index 0000000..18738f7 --- /dev/null +++ b/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 |