From f23a2d9daa1eb62b2afac8997f1d76eb881628f7 Mon Sep 17 00:00:00 2001
From: Alex Merry <alex.merry@cs.ox.ac.uk>
Date: Tue, 4 Dec 2012 18:55:25 +0000
Subject: Refactor GraphInputHandler into Tools

---
 tikzit/src/gtk/CreateNodeTool.m | 109 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 tikzit/src/gtk/CreateNodeTool.m

(limited to 'tikzit/src/gtk/CreateNodeTool.m')

diff --git a/tikzit/src/gtk/CreateNodeTool.m b/tikzit/src/gtk/CreateNodeTool.m
new file mode 100644
index 0000000..581ace3
--- /dev/null
+++ b/tikzit/src/gtk/CreateNodeTool.m
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2011-2012  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 "CreateNodeTool.h"
+
+#import "Configuration.h"
+#import "GraphRenderer.h"
+#import "NodeStyleSelector.h"
+#import "TikzDocument.h"
+#import "tzstockitems.h"
+
+@implementation CreateNodeTool
+- (NSString*) name { return @"Create Node Tool"; }
+- (const gchar*) stockIcon { return TIKZIT_STOCK_CREATE_NODE; }
+- (NSString*) helpText { return @"Create new nodes"; }
+- (NSString*) shortcut { return @"n"; }
+@synthesize activeRenderer=renderer;
+@synthesize styleManager;
+
++ (id) tool {
+    return [[[self alloc] init] autorelease];
+}
+
++ (id) toolWithStyleManager:(StyleManager*)sm {
+    return [[[self alloc] initWithStyleManager:sm] autorelease];
+}
+
+- (id) init {
+    return [self initWithStyleManager:[StyleManager manager]];
+}
+
+- (id) initWithStyleManager:(StyleManager*)sm {
+    self = [super init];
+
+    if (self) {
+        styleManager = [sm retain];
+        stylePicker = [[NodeStyleSelector alloc] initWithStyleManager:sm];
+    }
+
+    return self;
+}
+
+- (void) dealloc {
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+
+    [renderer release];
+    [styleManager release];
+    [stylePicker release];
+
+    [super dealloc];
+}
+
+- (GtkWidget*) configurationWidget {
+    return [stylePicker widget];
+}
+
+- (NodeStyle*) activeStyle {
+    return [stylePicker selectedStyle];
+}
+
+- (void) setActiveStyle:(NodeStyle*)style {
+    return [stylePicker setSelectedStyle:style];
+}
+
+// FIXME: create node on press, and drag it around?
+- (void) mousePressAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask {}
+
+- (void) mouseReleaseAt:(NSPoint)pos withButton:(MouseButton)button andMask:(InputMask)mask {
+    if (button != LeftButton)
+        return;
+
+    Transformer *transformer = [renderer transformer];
+    NSPoint nodePoint = [transformer fromScreen:[[renderer grid] snapScreenPoint:pos]];
+    Node *node = [Node nodeWithPoint:nodePoint];
+    [node setStyle:[self activeStyle]];
+    [[renderer document] addNode:node];
+}
+
+- (void) renderWithContext:(id<RenderContext>)context onSurface:(id<Surface>)surface {}
+
+- (void) loadConfiguration:(Configuration*)config {
+    NSString *styleName = [config stringEntry:@"ActiveStyle"
+                                      inGroup:@"CreateNodeTool"
+                                  withDefault:nil];
+    [self setActiveStyle:[styleManager nodeStyleForName:styleName]];
+}
+
+- (void) saveConfiguration:(Configuration*)config {
+    [config setStringEntry:@"ActiveStyle"
+                   inGroup:@"CreateNodeTool"
+                     value:[[self activeStyle] name]];
+}
+@end
+
+// vim:ft=objc:ts=8:et:sts=4:sw=4
-- 
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