Mercurial > projects > dynamin
annotate dynamin/gui/control.d @ 51:d5823ccfddc6
Add a couple doc comments.
| author | Jordan Miner <jminer7@gmail.com> |
|---|---|
| date | Tue, 04 Aug 2009 20:59:38 -0500 |
| parents | a18c2fd9fe36 |
| children | 6e33b00595e9 |
| rev | line source |
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| 0 | 1 // Written in the D programming language |
| 2 // www.digitalmars.com/d/ | |
| 3 | |
| 4 /* | |
| 5 * The contents of this file are subject to the Mozilla Public License Version | |
| 6 * 1.1 (the "License"); you may not use this file except in compliance with | |
| 7 * the License. You may obtain a copy of the License at | |
| 8 * http://www.mozilla.org/MPL/ | |
| 9 * | |
| 10 * Software distributed under the License is distributed on an "AS IS" basis, | |
| 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License | |
| 12 * for the specific language governing rights and limitations under the | |
| 13 * License. | |
| 14 * | |
| 15 * The Original Code is the Dynamin library. | |
| 16 * | |
| 17 * The Initial Developer of the Original Code is Jordan Miner. | |
| 18 * Portions created by the Initial Developer are Copyright (C) 2006-2009 | |
| 19 * the Initial Developer. All Rights Reserved. | |
| 20 * | |
| 21 * Contributor(s): | |
| 22 * Jordan Miner <jminer7@gmail.com> | |
| 23 * | |
| 24 */ | |
| 25 | |
| 26 module dynamin.gui.control; | |
| 27 | |
| 28 import dynamin.all_core; | |
| 29 import dynamin.all_painting; | |
| 30 import dynamin.gui.container; | |
| 31 import dynamin.gui.events; | |
| 32 import dynamin.gui.window; | |
| 33 import dynamin.gui.cursor; | |
| 34 import tango.io.Stdout; | |
| 35 | |
| 36 Control hotControl; | |
| 37 // the hot control is the one the mouse is over | |
| 38 package void setHotControl(Control c) { | |
| 39 if(c !is hotControl) { | |
| 40 if(hotControl) | |
| 41 hotControl.mouseLeft(new EventArgs); | |
| 42 hotControl = c; | |
| 43 if(c) | |
| 44 c.mouseEntered(new EventArgs); | |
| 45 } | |
| 46 } | |
| 47 package Control getHotControl() { return hotControl; } | |
| 48 Control captorControl; | |
| 49 package void setCaptorControl(Control c) { | |
| 50 captorControl = c; | |
| 51 } | |
| 52 package Control getCaptorControl() { return captorControl; } | |
| 53 | |
| 54 /** | |
| 55 * The painting event is an exception to the rule that added handlers are called | |
| 56 * before whenPainting. The painting event is far more useful since | |
| 57 * added handles are called after the control's whenPainting has finished. | |
| 58 * Otherwise, anything handlers painted would likely be painted over when the | |
| 59 * control painted. | |
| 60 */ | |
| 61 class Control { | |
| 62 protected: | |
| 63 bool _visible; | |
| 64 bool _focusable; | |
| 65 bool _focused; | |
| 49 | 66 int _tabIndex; |
| 0 | 67 package Point _location; |
| 68 package Size _size; | |
| 69 string _text; | |
| 70 Color _backColor; | |
| 71 Color _foreColor; | |
| 72 Font _font; | |
| 73 Cursor _cursor; | |
| 74 Container _parent; | |
| 75 bool _elasticX, _elasticY; | |
| 76 public: | |
| 77 protected void dispatchMouseEntered(EventArgs e) { | |
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78 setCurrentCursor(_cursor); |
| 0 | 79 mouseEntered.callHandlers(e); |
| 80 mouseEntered.callMainHandler(e); | |
| 81 } | |
| 82 protected void dispatchMouseDown(MouseEventArgs e) { | |
| 83 setCaptorControl(this); | |
| 84 mouseDown.callHandlers(e); | |
| 85 mouseDown.callMainHandler(e); | |
| 86 } | |
| 87 protected void dispatchMouseUp(MouseEventArgs e) { | |
| 88 setCaptorControl(null); | |
| 89 mouseUp.callHandlers(e); | |
| 90 mouseUp.callMainHandler(e); | |
| 91 } | |
| 92 protected void dispatchMouseMoved(MouseEventArgs e) { | |
| 93 setHotControl(this); | |
| 94 mouseMoved.callHandlers(e); | |
| 95 mouseMoved.callMainHandler(e); | |
| 96 } | |
| 97 protected void dispatchMouseDragged(MouseEventArgs e) { | |
| 98 setHotControl(this); | |
| 99 mouseDragged.callHandlers(e); | |
| 100 mouseDragged.callMainHandler(e); | |
| 101 } | |
| 102 protected void dispatchMouseTurned(MouseTurnedEventArgs e) { | |
| 103 mouseTurned.callHandlers(e); | |
| 104 mouseTurned.callMainHandler(e); | |
| 105 if(!e.stopped && _parent) | |
| 106 _parent.mouseTurned(e); | |
| 107 } | |
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108 protected void dispatchKeyDown(KeyEventArgs e) { |
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109 keyDown.callHandlers(e); |
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110 keyDown.callMainHandler(e); |
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111 if(!e.stopped && _parent) |
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112 _parent.keyDown(e); |
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113 } |
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114 protected void dispatchKeyUp(KeyEventArgs e) { |
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115 keyUp.callHandlers(e); |
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116 keyUp.callMainHandler(e); |
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117 if(!e.stopped && _parent) |
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118 _parent.keyUp(e); |
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119 } |
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120 protected void dispatchKeyTyped(KeyTypedEventArgs e) { |
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121 keyTyped.callHandlers(e); |
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122 keyTyped.callMainHandler(e); |
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123 if(!e.stopped && _parent) |
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124 _parent.keyTyped(e); |
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125 } |
| 0 | 126 protected void dispatchPainting(PaintingEventArgs e) { |
| 127 e.graphics.save(); | |
| 128 painting.callMainHandler(e); | |
| 129 e.graphics.restore(); | |
| 130 e.graphics.save(); | |
| 131 // TODO: every call to a handler should be wrapped in a save/restore | |
| 132 painting.callHandlers(e); | |
| 133 e.graphics.restore(); | |
| 134 } | |
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135 |
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136 /// Override this method in a subclass to handle the moved event. |
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137 protected void whenMoved(EventArgs e) { } |
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138 /// This event occurs after the control has been moved. |
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139 Event!(whenMoved) moved; |
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140 |
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141 /// Override this method in a subclass to handle the resized event. |
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142 protected void whenResized(EventArgs e) { } |
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143 /// This event occurs after the control has been resized. |
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144 Event!(whenResized) resized; |
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145 |
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146 /// Override this method in a subclass to handle the mouseEntered event. |
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147 protected void whenMouseEntered(EventArgs e) { } |
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148 /// This event occurs after the mouse has entered the control. |
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149 Event!(whenMouseEntered) mouseEntered; |
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150 |
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151 /// Override this method in a subclass to handle the mouseLeft event. |
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152 protected void whenMouseLeft(EventArgs e) { } |
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153 /// This event occurs after the mouse has left the control. |
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154 Event!(whenMouseLeft) mouseLeft; |
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155 |
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156 /// Override this method in a subclass to handle the mouseDown event. |
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157 protected void whenMouseDown(MouseEventArgs e) { } |
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158 /// This event occurs after a mouse button is pressed. |
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159 Event!(whenMouseDown) mouseDown; |
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160 |
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161 /// Override this method in a subclass to handle the mouseUp event. |
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162 protected void whenMouseUp(MouseEventArgs e) { } |
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163 /// This event occurs after a mouse button is released. |
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164 Event!(whenMouseUp) mouseUp; |
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165 |
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166 /// Override this method in a subclass to handle the mouseMoved event. |
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167 protected void whenMouseMoved(MouseEventArgs e) { } |
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168 /// This event occurs after the mouse has been moved. |
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169 Event!(whenMouseMoved) mouseMoved; |
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170 |
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171 /// Override this method in a subclass to handle the mouseMoved event. |
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172 protected void whenMouseDragged(MouseEventArgs e) { } |
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173 /// This event occurs after the mouse has been moved. |
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174 Event!(whenMouseDragged) mouseDragged; |
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175 |
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176 /// Override this method in a subclass to handle the mouseTurned event. |
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177 /// If this event is not stopped, it will be sent to the control's parent. |
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178 protected void whenMouseTurned(MouseTurnedEventArgs e) { } |
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179 /// This event occurs after the mouse wheel has been turned. |
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180 Event!(whenMouseTurned) mouseTurned; |
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181 |
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182 /// Override this method in a subclass to handle the keyDown event. |
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183 /// If this event is not stopped, it will be sent to the control's parent. |
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184 protected void whenKeyDown(KeyEventArgs e) { } |
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185 /// This event occurs after a key is pressed. |
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186 Event!(whenKeyDown) keyDown; |
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187 |
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188 /// Override this method in a subclass to handle the keyTyped event. |
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189 /// If this event is not stopped, it will be sent to the control's parent. |
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190 protected void whenKeyTyped(KeyTypedEventArgs e) { } |
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191 /// This event occurs after a character key is pressed. |
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192 Event!(whenKeyTyped) keyTyped; |
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193 |
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194 /// Override this method in a subclass to handle the keyUp event. |
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195 /// If this event is not stopped, it will be sent to the control's parent. |
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196 protected void whenKeyUp(KeyEventArgs e) { } |
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197 /// This event occurs after a key is released. |
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198 Event!(whenKeyUp) keyUp; |
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199 |
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200 /// Override this method in a subclass to handle the painting event. |
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201 protected void whenPainting(PaintingEventArgs e) { |
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202 e.graphics.source = backColor; |
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203 e.graphics.paint(); |
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204 } |
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205 /// This event occurs when the control needs to be painted. |
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206 Event!(whenPainting) painting; |
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207 |
| 0 | 208 this() { |
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209 moved.mainHandler = &whenMoved; |
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210 resized.mainHandler = &whenResized; |
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211 mouseEntered.mainHandler = &whenMouseEntered; |
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212 mouseEntered.dispatcher = &dispatchMouseEntered; |
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213 mouseLeft.mainHandler = &whenMouseLeft; |
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214 mouseDown.mainHandler = &whenMouseDown; |
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215 mouseDown.dispatcher = &dispatchMouseDown; |
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216 mouseUp.mainHandler = &whenMouseUp; |
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217 mouseUp.dispatcher = &dispatchMouseUp; |
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218 mouseMoved.mainHandler = &whenMouseMoved; |
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219 mouseMoved.dispatcher = &dispatchMouseMoved; |
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220 mouseDragged.mainHandler = &whenMouseDragged; |
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221 mouseDragged.dispatcher = &dispatchMouseDragged; |
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222 mouseTurned.mainHandler = &whenMouseTurned; |
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223 mouseTurned.dispatcher = &dispatchMouseTurned; |
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224 keyDown.mainHandler = &whenKeyDown; |
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225 keyDown.dispatcher = &dispatchKeyDown; |
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226 keyTyped.mainHandler = &whenKeyTyped; |
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227 keyTyped.dispatcher = &dispatchKeyTyped; |
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228 keyUp.mainHandler = &whenKeyUp; |
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229 keyUp.dispatcher = &dispatchKeyUp; |
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230 painting.mainHandler = &whenPainting; |
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231 painting.dispatcher = &dispatchPainting; |
| 0 | 232 |
| 233 _location = Point(0, 0); | |
| 234 _size = Size(100, 100); | |
| 235 _text = ""; | |
| 236 _focusable = false; | |
| 237 _focused = false; | |
| 49 | 238 _tabIndex = 0; |
| 0 | 239 _visible = true; |
| 240 _cursor = Cursor.Arrow; | |
| 241 _elasticX = false; | |
| 242 _elasticY = false; | |
| 243 | |
| 244 // TODO: remove these when themes mature | |
| 245 _foreColor = Color.Black; | |
| 246 _font = new Font("Tahoma", 11); | |
| 247 } | |
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248 |
| 0 | 249 protected Graphics quickCreateGraphics() { |
| 250 if(_parent is null) | |
| 251 return null; | |
| 252 auto g = _parent.quickCreateGraphics(); | |
| 253 g.translate(location); | |
| 254 return g; | |
| 255 } | |
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256 |
| 0 | 257 /** |
| 258 * Sets the specified Graphics' font and source to this control's font | |
| 259 * and foreground color. Also, clips to this control's rectangle. | |
| 260 */ | |
| 261 void setupGraphics(Graphics g) { | |
| 262 g.rectangle(0, 0, width, height); | |
| 263 g.clip(); | |
| 264 g.font = font; | |
| 265 g.source = foreColor; | |
| 266 } | |
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267 |
| 0 | 268 /** |
| 269 * Creates a Graphics, calls the specified delegate with it, and deletes | |
| 270 * it to release resources. | |
| 271 */ | |
| 272 void withGraphics(void delegate(Graphics g) dg) { | |
| 273 auto g = quickCreateGraphics(); | |
| 274 setupGraphics(g); | |
| 275 dg(g); | |
| 276 delete g; | |
| 277 } | |
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278 |
| 0 | 279 /** |
| 280 * | |
| 281 */ | |
| 282 bool focused() { | |
| 283 return _focused; | |
| 284 } | |
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285 |
| 0 | 286 /** |
| 49 | 287 * Gets or sets this control's tab index. The tab index of controls |
| 288 * decides in what order they are focused when the tab key is pressed. | |
| 289 * If multiple controls in a window have the same tab index, focus is | |
| 290 * changed based on the order they were added to the window. | |
| 291 * The default is 0. | |
| 292 */ | |
| 293 int tabIndex() { | |
| 294 return _tabIndex; | |
| 295 } | |
| 296 /// ditto | |
| 297 void tabIndex(int i) { | |
| 298 _tabIndex = i; | |
| 299 } | |
| 300 | |
| 301 /** | |
| 0 | 302 * |
| 303 */ | |
| 304 void focus() { | |
| 305 if(!_focusable) | |
| 306 return; | |
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307 auto top = getTopLevel(); |
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308 if(!top) |
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309 return; |
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310 if(auto win = cast(Window)top) { |
| 0 | 311 if(win.focusedControl) { |
| 312 win.focusedControl._focused = false; | |
| 313 win.focusedControl.repaint(); | |
| 314 } | |
| 315 win.focusedControl = this; | |
| 316 _focused = true; | |
| 317 repaint(); | |
| 318 } | |
| 319 } | |
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320 |
| 0 | 321 /** |
| 322 * Returns whether this control is on the screen. A control is | |
| 323 * on screen if one of its ancestors is a top level window. Whether or | |
| 324 * not the control is visible has no bearing on this value. If a control | |
| 325 * has no parent, then it is clearly not on the screen. | |
| 326 */ | |
| 327 bool onScreen() { | |
| 328 return _parent && _parent.onScreen; | |
| 329 } | |
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330 |
| 0 | 331 /** |
| 332 * Gets the location of this control in screen coordinates. An exception is | |
| 333 * thrown if this control is not on the screen. | |
| 334 */ | |
| 335 Point screenLocation() { | |
| 336 if(!_parent) | |
| 337 throw new Exception("control is not on screen"); | |
| 338 return _parent.screenLocation + location; | |
| 339 } | |
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340 |
| 0 | 341 /** |
| 342 * Converts the specified point in content coordinates into screen | |
| 343 * coordinates. An exception is thrown if this control is not on the screen. | |
| 344 */ | |
| 345 Point contentToScreen(Point pt) { // TODO: content?? even on Window?? | |
| 346 if(!_parent) | |
| 347 throw new Exception("control is not on screen"); | |
| 348 return _parent.contentToScreen(pt + location); | |
| 349 } | |
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350 |
| 0 | 351 /** |
| 352 * Converts the specified point in screen coordinates into content | |
| 353 * coordinates. An exception is thrown if this control is not on the screen. | |
| 354 */ | |
| 355 Point screenToContent(Point pt) { | |
| 356 if(!_parent) | |
| 357 throw new Exception("control is not on screen"); | |
| 358 return _parent.screenToContent(pt) - location; // TODO: borders | |
| 359 } | |
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360 |
| 0 | 361 /** |
| 362 * Converts the specified point in this control's content coordinates | |
| 363 * into the specified control's content coordinates. An exception is | |
| 364 * thrown if this control is not on the screen. | |
| 365 */ | |
| 366 Point contentToContent(Point pt, Control c) { | |
| 367 return c.screenToContent(contentToScreen(pt)); | |
| 368 } | |
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369 |
| 0 | 370 /** |
| 371 * Returns whether the specified point is inside this control. | |
| 372 */ | |
| 373 bool contains(Point pt) { | |
| 374 return pt.x >= 0 && pt.y >= 0 && pt.x < width && pt.y < height; | |
| 375 } | |
| 376 /// ditto | |
| 377 bool contains(real x, real y) { | |
| 378 return contains(Point(x, y)); | |
| 379 } | |
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380 |
| 51 | 381 /** |
| 382 * Returns true if this control is a top-level control and false otherwise. | |
| 383 * Top-level controls do not have parents. Non-top-level controls can only | |
| 384 * be shown on the screen by adding them as children to a top-level control. | |
| 385 * Currently, the only top-level control is Window. | |
| 386 */ | |
| 0 | 387 bool topLevel() { return false; } |
| 388 // TODO: return NativeControl/Window? | |
| 51 | 389 /** |
| 390 * Loops over this control's ancestors, and if a top-level control is found, | |
| 391 * it is returned. If this control does not have a top-level ancestor, | |
| 392 * null is returned. | |
| 393 */ | |
| 0 | 394 Control getTopLevel() { |
| 395 Control c = this; | |
| 396 while(c.parent) | |
| 397 c = c.parent; | |
| 398 return c.topLevel ? c : null; | |
| 399 } | |
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400 |
| 0 | 401 /** |
| 402 * Gets this control's parent. | |
| 403 */ | |
| 404 Container parent() { return _parent; } | |
| 405 package void parent(Container c) { | |
| 406 _parent = c; | |
| 407 //ParentChanged(new EventArgs); // TODO: add event | |
| 408 } | |
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409 |
| 0 | 410 /** |
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411 * Gets or sets whether is control is visible. The default is true, except |
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412 * on top-level windows. |
| 0 | 413 */ |
| 414 //void visible(bool b) { visible = b; } | |
| 415 bool visible() { return _visible; } | |
| 416 | |
| 417 /** | |
| 418 * Gets or sets the location of this control in its parent's content | |
| 419 * coordinates. | |
| 420 * Examples: | |
| 421 * ----- | |
| 422 * control.location = [5, 35]; | |
| 423 * control.location = Point(50, 50); | |
| 424 * ----- | |
| 425 */ | |
| 426 Point location() { return _location; } | |
| 427 /// ditto | |
| 428 void location(Point pt) { | |
| 429 if((cast(Window)_parent) !is null) | |
| 430 throw new Exception("cannot set location of a window's content"); | |
| 431 pt.x = round(pt.x); | |
| 432 pt.y = round(pt.y); | |
| 433 repaint(); | |
| 434 _location = pt; | |
| 435 repaint(); | |
| 436 moved(new EventArgs); | |
| 437 } | |
| 438 /// ditto | |
| 439 void location(real[] pt) { | |
| 440 assert(pt.length == 2, "pt must be just an x and y"); | |
| 441 location = Point(pt[0], pt[1]); | |
| 442 } | |
| 443 | |
| 444 /** | |
| 445 * Gets or sets the size of this control. | |
| 446 * Examples: | |
| 447 * ----- | |
| 448 * control.size = [75, 23]; | |
| 449 * control.size = Size(80, 20); | |
| 450 * ----- | |
| 451 */ | |
| 452 Size size() { return _size; } | |
| 453 /// ditto | |
| 454 void size(Size newSize) { | |
| 455 if(newSize.width < 0) | |
| 456 newSize.width = 0; | |
| 457 if(newSize.height < 0) | |
| 458 newSize.height = 0; | |
| 459 newSize.width = round(newSize.width); | |
| 460 newSize.height = round(newSize.height); | |
| 461 repaint(); | |
| 462 _size = newSize; | |
| 463 repaint(); | |
| 464 resized(new EventArgs); | |
| 465 } | |
| 466 /// ditto | |
| 467 void size(real[] newSize) { | |
| 468 assert(newSize.length == 2, "size must be just a width and height"); | |
| 469 size = Size(newSize[0], newSize[1]); | |
| 470 } | |
| 471 | |
| 472 /** | |
| 473 * Gets the size at which this control looks the best. It is intended that | |
| 474 * the control not be made smaller than this size, and only be made larger | |
| 475 * if it is elastic, or if it needs to be aligned with other controls. | |
| 476 * | |
| 477 * This property should be overridden in subclasses to return a best size. | |
| 478 */ | |
| 479 Size bestSize() { return Size(100, 100); } | |
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480 |
| 0 | 481 /** |
| 482 * Gets the distance from the top of this control to the baseline of | |
| 483 * the first line of this control's text. If this control does not have | |
| 484 * text, 0 may be returned. | |
| 485 */ | |
| 486 int baseline() { return 0; } | |
| 487 | |
| 488 /// Same as location.x | |
| 489 real x() { return location.x; } | |
| 490 /// Same as location.y | |
| 491 real y() { return location.y; } | |
| 492 /// Same as size.width | |
| 493 real width() { return size.width; } | |
| 494 /// Same as size.height | |
| 495 real height() { return size.height; } | |
| 496 | |
| 497 /** | |
| 498 * Gets or sets whether this control is elastic horizontally or vertically. | |
| 499 * If a control is elastic, then it is intended to be made larger than its | |
| 500 * best size. | |
| 501 */ | |
| 502 bool elasticX() { return _elasticX; } | |
| 503 /// ditto | |
| 504 void elasticX(bool b) { _elasticX = b; } | |
| 505 /// ditto | |
| 506 bool elasticY() { return _elasticY; } | |
| 507 /// ditto | |
| 508 void elasticY(bool b) { _elasticY = b; } | |
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509 |
| 0 | 510 /** |
| 511 * Gets or sets the text that this control shows. | |
| 512 */ | |
| 513 string text() { return _text.dup; } | |
| 514 /// ditto | |
| 515 void text(string str) { | |
| 516 _text = str.dup; | |
| 517 repaint(); | |
| 518 //TextChanged(EventArgs e) // TODO: add event | |
| 519 } | |
| 520 | |
| 521 /** | |
| 522 * Gets or sets the background color of this control. | |
| 523 */ | |
| 524 Color backColor() { return _backColor; } | |
| 525 /// ditto | |
| 526 void backColor(Color c) { | |
| 527 _backColor = c; | |
| 528 repaint(); | |
| 529 } | |
| 530 | |
| 531 /** | |
| 532 * Gets or sets the foreground color of this control. | |
| 533 */ | |
| 534 Color foreColor() { return _foreColor; } | |
| 535 /// ditto | |
| 536 void foreColor(Color c) { | |
| 537 _foreColor = c; | |
| 538 repaint(); | |
| 539 } | |
| 540 | |
| 541 /** | |
| 542 * Gets or sets the font of this control uses to display text. A value of | |
| 543 * null means that the font is unset. When the font is null, the | |
| 544 * current theme's font is used. The default is null. | |
| 545 */ | |
| 546 Font font() { | |
| 547 // TODO: if font is null (unset), return from theme | |
| 548 //if(font is null) | |
| 549 // return Theme.Current.Control_Font(this); | |
| 550 //else | |
| 551 return _font; | |
| 552 } | |
| 553 /// ditto | |
| 554 void font(Font f) { | |
| 555 _font = f; | |
| 556 repaint(); | |
| 557 } | |
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558 |
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559 void setCurrentCursor(Cursor cur) { |
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560 if(parent) |
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561 parent.setCurrentCursor(cur); |
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562 } |
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563 /** |
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564 * Gets or sets the mouse cursor that will be shown when the mouse |
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Jordan Miner <jminer7@gmail.com>
parents:
15
diff
changeset
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565 * is over this control. |
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d55b5b998412
Implement built-in mouse cursors with X.
Jordan Miner <jminer7@gmail.com>
parents:
15
diff
changeset
|
566 */ |
| 0 | 567 Cursor cursor() { |
| 568 return _cursor; | |
| 569 } | |
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d55b5b998412
Implement built-in mouse cursors with X.
Jordan Miner <jminer7@gmail.com>
parents:
15
diff
changeset
|
570 /// ditto |
| 0 | 571 void cursor(Cursor cur) { |
| 572 if(_cursor is cur) | |
| 573 return; | |
| 574 _cursor = cur; | |
| 575 if(getHotControl() is this) | |
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d55b5b998412
Implement built-in mouse cursors with X.
Jordan Miner <jminer7@gmail.com>
parents:
15
diff
changeset
|
576 setCurrentCursor(_cursor); |
| 0 | 577 } |
| 578 | |
| 579 /** | |
| 580 * Causes the part of the control inside the specified | |
| 581 * rectangle to be repainted. The rectangle is in content coordinates. | |
| 582 * | |
| 583 * The control will not be repainted before this method returns; rather, | |
| 584 * the area is just marked as needing to be repainted. The next time there | |
| 15 | 585 * are no other system events to be processed, a painting event will |
| 586 * be called. | |
| 0 | 587 */ |
| 588 void repaint(Rect rect) { | |
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5
4029d5af7542
Add blank lines and rewrap some comments.
Jordan Miner <jminer7@gmail.com>
parents:
0
diff
changeset
|
589 // TODO: make sure that parts clipped off by the parent are |
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4029d5af7542
Add blank lines and rewrap some comments.
Jordan Miner <jminer7@gmail.com>
parents:
0
diff
changeset
|
590 // not invalidated |
| 0 | 591 if(_parent) |
| 592 _parent.repaint(rect + location); | |
| 593 } | |
| 594 /// ditto | |
| 595 void repaint(real x, real y, real width, real height) { | |
| 596 repaint(Rect(x, y, width, height)); | |
| 597 } | |
| 598 /** | |
| 599 * Causes the entire control to be repainted. | |
| 600 */ | |
| 601 void repaint() { | |
| 602 repaint(Rect(0, 0, width, height)); | |
| 603 } | |
| 604 } | |
| 605 | |
| 606 |