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comparison dynamin/gui/container.d @ 62:60832e1eef04

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Implement default buttons.
author Jordan Miner <jminer7@gmail.com>
date Sat, 08 Aug 2009 20:35:20 -0500
parents 712ea1ea845a
children 6580fabb7dce
comparison
equal deleted inserted replaced
61:f8f5d6244795 62:60832e1eef04
28 import dynamin.all_core; 28 import dynamin.all_core;
29 import dynamin.all_painting; 29 import dynamin.all_painting;
30 import dynamin.all_gui; 30 import dynamin.all_gui;
31 import dynamin.gui.control; 31 import dynamin.gui.control;
32 import dynamin.gui.events; 32 import dynamin.gui.events;
33 import dynamin.gui.button;
33 import tango.io.Stdout; 34 import tango.io.Stdout;
34 35
35 alias List!(Control, true) ControlList; 36 alias List!(Control, true) ControlList;
36 37
37 /// 38 ///
38 class Container : Control { 39 class Container : Control {
39 protected: 40 protected:
40 ControlList _children; 41 ControlList _children;
41 Size _minSize; 42 Size _minSize;
42 Size _maxSize; 43 Size _maxSize;
44 Button _defaultButton;
43 45
44 override void whenResized(EventArgs e) { 46 override void whenResized(EventArgs e) {
45 layout(); 47 layout();
46 } 48 }
47 // If the specified array is large enough to hold the results, no heap 49 // If the specified array is large enough to hold the results, no heap
123 scope e = new HierarchyEventArgs(child); 125 scope e = new HierarchyEventArgs(child);
124 descendantRemoved(e); 126 descendantRemoved(e);
125 } 127 }
126 128
127 void dispatchDescendantAdded(HierarchyEventArgs e) { 129 void dispatchDescendantAdded(HierarchyEventArgs e) {
130 if(e.descendant is defaultButton)
131 (cast(Button)e.descendant)._isDefault = true;
132
128 descendantAdded.callHandlers(e); 133 descendantAdded.callHandlers(e);
129 descendantAdded.callMainHandler(e); 134 descendantAdded.callMainHandler(e);
130 e.levels = e.levels + 1; 135 e.levels = e.levels + 1;
131 if(_parent) 136 if(_parent)
132 _parent.descendantAdded(e); 137 _parent.descendantAdded(e);
136 descendantRemoved.callMainHandler(e); 141 descendantRemoved.callMainHandler(e);
137 e.levels = e.levels + 1; 142 e.levels = e.levels + 1;
138 if(_parent) 143 if(_parent)
139 _parent.descendantRemoved(e); 144 _parent.descendantRemoved(e);
140 } 145 }
146
147 override void whenKeyDown(KeyEventArgs e) {
148 if(e.key == Key.Enter && defaultButton) {
149 scope e2 = new EventArgs;
150 defaultButton.clicked(e2);
151 e.stopped = true;
152 }
153 }
154
141 public: 155 public:
142 /// Override this method in a subclass to handle the minSizeChanged event. 156 /// Override this method in a subclass to handle the minSizeChanged event.
143 protected void whenMinSizeChanged(EventArgs e) { } 157 protected void whenMinSizeChanged(EventArgs e) { }
144 /// This event occurs after the control's minimum size has been changed. 158 /// This event occurs after the control's minimum size has been changed.
145 Event!(whenMinSizeChanged) minSizeChanged; 159 Event!(whenMinSizeChanged) minSizeChanged;
170 _children = new ControlList(&whenChildAdded, &whenChildRemoved); 184 _children = new ControlList(&whenChildAdded, &whenChildRemoved);
171 185
172 elasticX = true; 186 elasticX = true;
173 elasticY = true; 187 elasticY = true;
174 } 188 }
189
190 /**
191 * Gets or sets the default button in this container.
192 */
193 Button defaultButton() { return _defaultButton; }
194 /// ditto
195 void defaultButton(Button b) {
196 _defaultButton = b;
197 foreach(d; &descendants) {
198 if(b == d)
199 b._isDefault = true;
200 }
201 }
202
175 override void dispatchPainting(PaintingEventArgs e) { 203 override void dispatchPainting(PaintingEventArgs e) {
176 super.dispatchPainting(e); 204 super.dispatchPainting(e);
177 foreach(c; _children) { 205 foreach(c; _children) {
178 e.graphics.save(); 206 e.graphics.save();
179 e.graphics.translate(c.x, c.y); 207 e.graphics.translate(c.x, c.y);