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comparison dynamin/gui/control.d @ 10:ccc108b25a0a

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Convert to using a struct for events. Fix some comments too.
author Jordan Miner <jminer7@gmail.com>
date Wed, 15 Jul 2009 21:22:20 -0500
parents b621b528823d
children 96b29f2efa4d
comparison
equal deleted inserted replaced
9:682fa50ab831 10:ccc108b25a0a
112 // TODO: every call to a handler should be wrapped in a save/restore 112 // TODO: every call to a handler should be wrapped in a save/restore
113 painting.callHandlers(e); 113 painting.callHandlers(e);
114 e.graphics.restore(); 114 e.graphics.restore();
115 } 115 }
116 116
117 /// Override this method in a subclass to handle the Moved event. 117 /// Override this method in a subclass to handle the moved event.
118 protected void whenMoved(EventArgs e) { } 118 protected void whenMoved(EventArgs e) { }
119 /// This event occurs after the control has been moved. 119 /// This event occurs after the control has been moved.
120 Event!() moved; 120 Event!(whenMoved) moved;
121 121
122 /// Override this method in a subclass to handle the Resized event. 122 /// Override this method in a subclass to handle the resized event.
123 protected void whenResized(EventArgs e) { } 123 protected void whenResized(EventArgs e) { }
124 /// This event occurs after the control has been resized. 124 /// This event occurs after the control has been resized.
125 Event!() resized; 125 Event!(whenResized) resized;
126 126
127 /// Override this method in a subclass to handle the MouseEntered event. 127 /// Override this method in a subclass to handle the mouseEntered event.
128 protected void whenMouseEntered(EventArgs e) { } 128 protected void whenMouseEntered(EventArgs e) { }
129 /// This event occurs after the mouse has entered the control. 129 /// This event occurs after the mouse has entered the control.
130 Event!() mouseEntered; 130 Event!(whenMouseEntered) mouseEntered;
131 131
132 /// Override this method in a subclass to handle the MouseLeft event. 132 /// Override this method in a subclass to handle the mouseLeft event.
133 protected void whenMouseLeft(EventArgs e) { } 133 protected void whenMouseLeft(EventArgs e) { }
134 /// This event occurs after the mouse has left the control. 134 /// This event occurs after the mouse has left the control.
135 Event!() mouseLeft; 135 Event!(whenMouseLeft) mouseLeft;
136 136
137 /// Override this method in a subclass to handle the MouseDown event. 137 /// Override this method in a subclass to handle the mouseDown event.
138 protected void whenMouseDown(MouseEventArgs e) { } 138 protected void whenMouseDown(MouseEventArgs e) { }
139 /// This event occurs after a mouse button is pressed. 139 /// This event occurs after a mouse button is pressed.
140 Event!(MouseEventArgs) mouseDown; 140 Event!(whenMouseDown) mouseDown;
141 141
142 /// Override this method in a subclass to handle the MouseUp event. 142 /// Override this method in a subclass to handle the mouseUp event.
143 protected void whenMouseUp(MouseEventArgs e) { } 143 protected void whenMouseUp(MouseEventArgs e) { }
144 /// This event occurs after a mouse button is released. 144 /// This event occurs after a mouse button is released.
145 Event!(MouseEventArgs) mouseUp; 145 Event!(whenMouseUp) mouseUp;
146 146
147 /// Override this method in a subclass to handle the MouseMoved event. 147 /// Override this method in a subclass to handle the mouseMoved event.
148 protected void whenMouseMoved(MouseEventArgs e) { } 148 protected void whenMouseMoved(MouseEventArgs e) { }
149 /// This event occurs after the mouse has been moved. 149 /// This event occurs after the mouse has been moved.
150 Event!(MouseEventArgs) mouseMoved; 150 Event!(whenMouseMoved) mouseMoved;
151 151
152 /// Override this method in a subclass to handle the MouseMoved event. 152 /// Override this method in a subclass to handle the mouseMoved event.
153 protected void whenMouseDragged(MouseEventArgs e) { } 153 protected void whenMouseDragged(MouseEventArgs e) { }
154 /// This event occurs after the mouse has been moved. 154 /// This event occurs after the mouse has been moved.
155 Event!(MouseEventArgs) mouseDragged; 155 Event!(whenMouseDragged) mouseDragged;
156 156
157 /// Override this method in a subclass to handle the MouseTurned event. 157 /// Override this method in a subclass to handle the mouseTurned event.
158 protected void whenMouseTurned(MouseTurnedEventArgs e) { } 158 protected void whenMouseTurned(MouseTurnedEventArgs e) { }
159 /// This event occurs after the mouse wheel has been turned. 159 /// This event occurs after the mouse wheel has been turned.
160 Event!(MouseTurnedEventArgs) mouseTurned; 160 Event!(whenMouseTurned) mouseTurned;
161 161
162 /// Override this method in a subclass to handle the KeyDown event. 162 /// Override this method in a subclass to handle the keyDown event.
163 protected void whenKeyDown(KeyEventArgs e) { } 163 protected void whenKeyDown(KeyEventArgs e) { }
164 /// This event occurs after a key is pressed. 164 /// This event occurs after a key is pressed.
165 Event!(KeyEventArgs) keyDown; 165 Event!(whenKeyDown) keyDown;
166 166
167 /// Override this method in a subclass to handle the KeyTyped event. 167 /// Override this method in a subclass to handle the keyTyped event.
168 protected void whenKeyTyped(KeyTypedEventArgs e) { } 168 protected void whenKeyTyped(KeyTypedEventArgs e) { }
169 /// This event occurs after a character key is pressed. 169 /// This event occurs after a character key is pressed.
170 Event!(KeyTypedEventArgs) keyTyped; 170 Event!(whenKeyTyped) keyTyped;
171 171
172 /// Override this method in a subclass to handle the KeyUp event. 172 /// Override this method in a subclass to handle the keyUp event.
173 protected void whenKeyUp(KeyEventArgs e) { } 173 protected void whenKeyUp(KeyEventArgs e) { }
174 /// This event occurs after a key is released. 174 /// This event occurs after a key is released.
175 Event!(KeyEventArgs) keyUp; 175 Event!(whenKeyUp) keyUp;
176 176
177 /// Override this method in a subclass to handle the painting event. 177 /// Override this method in a subclass to handle the painting event.
178 protected void whenPainting(PaintingEventArgs e) { 178 protected void whenPainting(PaintingEventArgs e) {
179 e.graphics.source = backColor; 179 e.graphics.source = backColor;
180 e.graphics.paint(); 180 e.graphics.paint();
181 } 181 }
182 /// This event occurs when the control needs to be painted. 182 /// This event occurs when the control needs to be painted.
183 Event!(PaintingEventArgs) painting; 183 Event!(whenPainting) painting;
184 184
185 this() { 185 this() {
186 moved = new Event!()(&whenMoved); 186 moved.mainHandler = &whenMoved;
187 resized = new Event!()(&whenResized); 187 resized.mainHandler = &whenResized;
188 mouseEntered = new Event!()(&whenMouseEntered, &dispatchMouseEntered); 188 mouseEntered.mainHandler = &whenMouseEntered;
189 mouseLeft = new Event!()(&whenMouseLeft); 189 mouseEntered.dispatcher = &dispatchMouseEntered;
190 mouseDown = new Event!(MouseEventArgs)(&whenMouseDown, &dispatchMouseDown); 190 mouseLeft.mainHandler = &whenMouseLeft;
191 mouseUp = new Event!(MouseEventArgs)(&whenMouseUp, &dispatchMouseUp); 191 mouseDown.mainHandler = &whenMouseDown;
192 mouseMoved = new Event!(MouseEventArgs)(&whenMouseMoved, &dispatchMouseMoved); 192 mouseDown.dispatcher = &dispatchMouseDown;
193 mouseDragged = new Event!(MouseEventArgs)(&whenMouseDragged, &dispatchMouseDragged); 193 mouseUp.mainHandler = &whenMouseUp;
194 mouseTurned = new Event!(MouseTurnedEventArgs)(&whenMouseTurned, &dispatchMouseTurned); 194 mouseUp.dispatcher = &dispatchMouseUp;
195 keyDown = new Event!(KeyEventArgs)(&whenKeyDown); 195 mouseMoved.mainHandler = &whenMouseMoved;
196 keyTyped = new Event!(KeyTypedEventArgs)(&whenKeyTyped); 196 mouseMoved.dispatcher = &dispatchMouseMoved;
197 keyUp = new Event!(KeyEventArgs)(&whenKeyUp); 197 mouseDragged.mainHandler = &whenMouseDragged;
198 painting = new Event!(PaintingEventArgs)(&whenPainting, &dispatchPainting); 198 mouseDragged.dispatcher = &dispatchMouseDragged;
199 mouseTurned.mainHandler = &whenMouseTurned;
200 mouseTurned.dispatcher = &dispatchMouseTurned;
201 keyDown.mainHandler = &whenKeyDown;
202 keyTyped.mainHandler = &whenKeyTyped;
203 keyUp.mainHandler = &whenKeyUp;
204 painting.mainHandler = &whenPainting;
205 painting.dispatcher = &dispatchPainting;
199 206
200 _location = Point(0, 0); 207 _location = Point(0, 0);
201 _size = Size(100, 100); 208 _size = Size(100, 100);
202 _text = ""; 209 _text = "";
203 _focusable = false; 210 _focusable = false;