Mercurial > projects > dynamin
annotate dynamin/gui/control.d @ 59:d3ba5d4a3a27
Add Control.findAncestor
| author | Jordan Miner <jminer7@gmail.com> |
|---|---|
| date | Sat, 08 Aug 2009 18:02:43 -0500 |
| parents | c2566ab82535 |
| children | cf7c5f968306 |
| 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 | |
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36 //{{{ hotControl |
| 0 | 37 Control hotControl; |
| 38 // the hot control is the one the mouse is over | |
| 39 package void setHotControl(Control c) { | |
| 40 if(c !is hotControl) { | |
| 41 if(hotControl) | |
| 42 hotControl.mouseLeft(new EventArgs); | |
| 43 hotControl = c; | |
| 44 if(c) | |
| 45 c.mouseEntered(new EventArgs); | |
| 46 } | |
| 47 } | |
| 48 package Control getHotControl() { return hotControl; } | |
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49 //}}} |
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50 |
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51 //{{{ captorControl |
| 0 | 52 Control captorControl; |
| 53 package void setCaptorControl(Control c) { | |
| 54 captorControl = c; | |
| 55 } | |
| 56 package Control getCaptorControl() { return captorControl; } | |
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57 //}}} |
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58 |
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59 //{{{ focusedControl |
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60 Control focusedControl; |
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61 package void setFocusedControl(Control c) { |
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62 if(focusedControl is c) |
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63 return; |
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64 scope e = new EventArgs; |
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65 if(focusedControl) |
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66 focusedControl.focusLost(e); |
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67 focusedControl = c; |
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68 if(focusedControl) |
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69 focusedControl.focusGained(e); |
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70 } |
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71 package Control getFocusedControl() { return focusedControl; } |
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72 //}}} |
| 0 | 73 |
| 74 /** | |
| 75 * The painting event is an exception to the rule that added handlers are called | |
| 76 * before whenPainting. The painting event is far more useful since | |
| 77 * added handles are called after the control's whenPainting has finished. | |
| 78 * Otherwise, anything handlers painted would likely be painted over when the | |
| 79 * control painted. | |
| 80 */ | |
| 81 class Control { | |
| 82 protected: | |
| 83 bool _visible; | |
| 84 bool _focusable; | |
| 85 bool _focused; | |
| 49 | 86 int _tabIndex; |
| 0 | 87 package Point _location; |
| 88 package Size _size; | |
| 89 string _text; | |
| 90 Color _backColor; | |
| 91 Color _foreColor; | |
| 92 Font _font; | |
| 93 Cursor _cursor; | |
| 94 Container _parent; | |
| 95 bool _elasticX, _elasticY; | |
| 96 public: | |
| 97 protected void dispatchMouseEntered(EventArgs e) { | |
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98 setCurrentCursor(_cursor); |
| 0 | 99 mouseEntered.callHandlers(e); |
| 100 mouseEntered.callMainHandler(e); | |
| 101 } | |
| 102 protected void dispatchMouseDown(MouseEventArgs e) { | |
| 103 setCaptorControl(this); | |
| 104 mouseDown.callHandlers(e); | |
| 105 mouseDown.callMainHandler(e); | |
| 106 } | |
| 107 protected void dispatchMouseUp(MouseEventArgs e) { | |
| 108 setCaptorControl(null); | |
| 109 mouseUp.callHandlers(e); | |
| 110 mouseUp.callMainHandler(e); | |
| 111 } | |
| 112 protected void dispatchMouseMoved(MouseEventArgs e) { | |
| 113 setHotControl(this); | |
| 114 mouseMoved.callHandlers(e); | |
| 115 mouseMoved.callMainHandler(e); | |
| 116 } | |
| 117 protected void dispatchMouseDragged(MouseEventArgs e) { | |
| 118 setHotControl(this); | |
| 119 mouseDragged.callHandlers(e); | |
| 120 mouseDragged.callMainHandler(e); | |
| 121 } | |
| 122 protected void dispatchMouseTurned(MouseTurnedEventArgs e) { | |
| 123 mouseTurned.callHandlers(e); | |
| 124 mouseTurned.callMainHandler(e); | |
| 125 if(!e.stopped && _parent) | |
| 126 _parent.mouseTurned(e); | |
| 127 } | |
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128 protected void dispatchKeyDown(KeyEventArgs e) { |
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129 keyDown.callHandlers(e); |
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130 keyDown.callMainHandler(e); |
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131 if(!e.stopped && _parent) |
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132 _parent.keyDown(e); |
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133 } |
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134 protected void dispatchKeyUp(KeyEventArgs e) { |
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135 keyUp.callHandlers(e); |
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136 keyUp.callMainHandler(e); |
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137 if(!e.stopped && _parent) |
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138 _parent.keyUp(e); |
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139 } |
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140 protected void dispatchKeyTyped(KeyTypedEventArgs e) { |
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141 keyTyped.callHandlers(e); |
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142 keyTyped.callMainHandler(e); |
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143 if(!e.stopped && _parent) |
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144 _parent.keyTyped(e); |
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145 } |
| 0 | 146 protected void dispatchPainting(PaintingEventArgs e) { |
| 147 e.graphics.save(); | |
| 148 painting.callMainHandler(e); | |
| 149 e.graphics.restore(); | |
| 150 e.graphics.save(); | |
| 151 // TODO: every call to a handler should be wrapped in a save/restore | |
| 152 painting.callHandlers(e); | |
| 153 e.graphics.restore(); | |
| 154 } | |
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155 |
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156 /// Override this method in a subclass to handle the moved event. |
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157 protected void whenMoved(EventArgs e) { } |
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158 /// This event occurs after the control has been moved. |
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159 Event!(whenMoved) moved; |
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160 |
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161 /// Override this method in a subclass to handle the resized event. |
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162 protected void whenResized(EventArgs e) { } |
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163 /// This event occurs after the control has been resized. |
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164 Event!(whenResized) resized; |
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165 |
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166 /// Override this method in a subclass to handle the mouseEntered event. |
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167 protected void whenMouseEntered(EventArgs e) { } |
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168 /// This event occurs after the mouse has entered the control. |
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169 Event!(whenMouseEntered) mouseEntered; |
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170 |
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171 /// Override this method in a subclass to handle the mouseLeft event. |
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172 protected void whenMouseLeft(EventArgs e) { } |
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173 /// This event occurs after the mouse has left the control. |
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174 Event!(whenMouseLeft) mouseLeft; |
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175 |
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176 /// Override this method in a subclass to handle the mouseDown event. |
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177 protected void whenMouseDown(MouseEventArgs e) { } |
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178 /// This event occurs after a mouse button is pressed. |
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179 Event!(whenMouseDown) mouseDown; |
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180 |
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181 /// Override this method in a subclass to handle the mouseUp event. |
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182 protected void whenMouseUp(MouseEventArgs e) { } |
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183 /// This event occurs after a mouse button is released. |
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184 Event!(whenMouseUp) mouseUp; |
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185 |
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186 /// Override this method in a subclass to handle the mouseMoved event. |
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187 protected void whenMouseMoved(MouseEventArgs e) { } |
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188 /// This event occurs after the mouse has been moved. |
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189 Event!(whenMouseMoved) mouseMoved; |
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190 |
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191 /// Override this method in a subclass to handle the mouseMoved event. |
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192 protected void whenMouseDragged(MouseEventArgs e) { } |
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193 /// This event occurs after the mouse has been moved. |
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194 Event!(whenMouseDragged) mouseDragged; |
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195 |
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196 /// Override this method in a subclass to handle the mouseTurned event. |
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197 /// If this event is not stopped, it will be sent to the control's parent. |
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198 protected void whenMouseTurned(MouseTurnedEventArgs e) { } |
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199 /// This event occurs after the mouse wheel has been turned. |
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200 Event!(whenMouseTurned) mouseTurned; |
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201 |
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202 /// Override this method in a subclass to handle the keyDown event. |
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203 /// If this event is not stopped, it will be sent to the control's parent. |
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204 protected void whenKeyDown(KeyEventArgs e) { } |
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205 /// This event occurs after a key is pressed. |
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206 Event!(whenKeyDown) keyDown; |
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207 |
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208 /// Override this method in a subclass to handle the keyTyped event. |
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209 /// If this event is not stopped, it will be sent to the control's parent. |
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210 protected void whenKeyTyped(KeyTypedEventArgs e) { } |
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211 /// This event occurs after a character key is pressed. |
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212 Event!(whenKeyTyped) keyTyped; |
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213 |
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214 /// Override this method in a subclass to handle the keyUp event. |
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215 /// If this event is not stopped, it will be sent to the control's parent. |
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216 protected void whenKeyUp(KeyEventArgs e) { } |
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217 /// This event occurs after a key is released. |
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218 Event!(whenKeyUp) keyUp; |
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219 |
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220 /// Override this method in a subclass to handle the painting event. |
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221 protected void whenPainting(PaintingEventArgs e) { |
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222 e.graphics.source = backColor; |
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223 e.graphics.paint(); |
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224 } |
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225 /// This event occurs when the control needs to be painted. |
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226 Event!(whenPainting) painting; |
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227 |
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228 /// Override this method in a subclass to handle the focusGained event. |
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229 protected void whenFocusGained(EventArgs e) { |
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230 repaint(); |
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231 } |
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232 /// This event occurs after this control is focused. |
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233 Event!(whenFocusGained) focusGained; |
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234 |
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235 /// Override this method in a subclass to handle the focusLost event. |
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236 protected void whenFocusLost(EventArgs e) { |
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237 repaint(); |
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238 } |
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239 /// This event occurs after this control loses focus. |
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240 Event!(whenFocusLost) focusLost; |
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241 |
| 0 | 242 this() { |
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243 moved.mainHandler = &whenMoved; |
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244 resized.mainHandler = &whenResized; |
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245 mouseEntered.mainHandler = &whenMouseEntered; |
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246 mouseEntered.dispatcher = &dispatchMouseEntered; |
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247 mouseLeft.mainHandler = &whenMouseLeft; |
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248 mouseDown.mainHandler = &whenMouseDown; |
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249 mouseDown.dispatcher = &dispatchMouseDown; |
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250 mouseUp.mainHandler = &whenMouseUp; |
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251 mouseUp.dispatcher = &dispatchMouseUp; |
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252 mouseMoved.mainHandler = &whenMouseMoved; |
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253 mouseMoved.dispatcher = &dispatchMouseMoved; |
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254 mouseDragged.mainHandler = &whenMouseDragged; |
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255 mouseDragged.dispatcher = &dispatchMouseDragged; |
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256 mouseTurned.mainHandler = &whenMouseTurned; |
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257 mouseTurned.dispatcher = &dispatchMouseTurned; |
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258 keyDown.mainHandler = &whenKeyDown; |
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259 keyDown.dispatcher = &dispatchKeyDown; |
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260 keyTyped.mainHandler = &whenKeyTyped; |
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261 keyTyped.dispatcher = &dispatchKeyTyped; |
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262 keyUp.mainHandler = &whenKeyUp; |
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263 keyUp.dispatcher = &dispatchKeyUp; |
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264 painting.mainHandler = &whenPainting; |
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265 painting.dispatcher = &dispatchPainting; |
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266 focusGained.mainHandler = &whenFocusGained; |
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267 focusLost.mainHandler = &whenFocusLost; |
| 0 | 268 |
| 269 _location = Point(0, 0); | |
| 270 _size = Size(100, 100); | |
| 271 _text = ""; | |
| 272 _focusable = false; | |
| 273 _focused = false; | |
| 49 | 274 _tabIndex = 0; |
| 0 | 275 _visible = true; |
| 276 _cursor = Cursor.Arrow; | |
| 277 _elasticX = false; | |
| 278 _elasticY = false; | |
| 279 | |
| 280 // TODO: remove these when themes mature | |
| 281 _foreColor = Color.Black; | |
| 282 _font = new Font("Tahoma", 11); | |
| 283 } | |
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284 |
| 0 | 285 protected Graphics quickCreateGraphics() { |
| 286 if(_parent is null) | |
| 287 return null; | |
| 288 auto g = _parent.quickCreateGraphics(); | |
| 289 g.translate(location); | |
| 290 return g; | |
| 291 } | |
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292 |
| 0 | 293 /** |
| 294 * Sets the specified Graphics' font and source to this control's font | |
| 295 * and foreground color. Also, clips to this control's rectangle. | |
| 296 */ | |
| 297 void setupGraphics(Graphics g) { | |
| 298 g.rectangle(0, 0, width, height); | |
| 299 g.clip(); | |
| 300 g.font = font; | |
| 301 g.source = foreColor; | |
| 302 } | |
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303 |
| 0 | 304 /** |
| 305 * Creates a Graphics, calls the specified delegate with it, and deletes | |
| 306 * it to release resources. | |
| 307 */ | |
| 308 void withGraphics(void delegate(Graphics g) dg) { | |
| 309 auto g = quickCreateGraphics(); | |
| 310 setupGraphics(g); | |
| 311 dg(g); | |
| 312 delete g; | |
| 313 } | |
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314 |
| 0 | 315 /** |
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316 * Returns whether or not this control can receive focus. |
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317 */ |
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318 bool focusable() { |
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319 return _focusable; |
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320 } |
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321 void focusable(bool f) { |
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322 _focusable = f; |
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323 // TODO: |
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324 } |
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325 |
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326 /** |
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327 * Returns whether this control currently has focus. A control with focus |
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328 * receives keyboard events. |
| 0 | 329 */ |
| 330 bool focused() { | |
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331 return getFocusedControl() is this; |
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332 } |
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333 |
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334 /** |
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335 * Returns true if this control should visually show when it has focus |
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336 * and returns false if not. Focus is usually hidden until the |
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337 * user uses the keyboard to navigate. |
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338 * |
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339 * A text box is one control that shows when it is |
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340 * focused (by its caret), regardless of this value. (Because showing |
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341 * focus isn't the sole purpose of a caret.) |
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342 */ |
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343 bool showFocus() { |
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344 auto top = getTopLevel(); |
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345 return top && (cast(Window)top).showFocus; |
| 0 | 346 } |
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347 |
| 0 | 348 /** |
| 49 | 349 * Gets or sets this control's tab index. The tab index of controls |
| 350 * decides in what order they are focused when the tab key is pressed. | |
| 351 * If multiple controls in a window have the same tab index, focus is | |
| 352 * changed based on the order they were added to the window. | |
| 353 * The default is 0. | |
| 354 */ | |
| 355 int tabIndex() { | |
| 356 return _tabIndex; | |
| 357 } | |
| 358 /// ditto | |
| 359 void tabIndex(int i) { | |
| 360 _tabIndex = i; | |
| 361 } | |
| 362 | |
| 363 /** | |
| 0 | 364 * |
| 365 */ | |
| 366 void focus() { | |
| 367 if(!_focusable) | |
| 368 return; | |
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369 |
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370 auto top = getTopLevel(); |
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371 if(!top) |
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372 return; |
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373 if(auto win = cast(Window)top) |
| 0 | 374 win.focusedControl = this; |
| 375 } | |
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376 |
| 0 | 377 /** |
| 378 * Returns whether this control is on the screen. A control is | |
| 379 * on screen if one of its ancestors is a top level window. Whether or | |
| 380 * not the control is visible has no bearing on this value. If a control | |
| 381 * has no parent, then it is clearly not on the screen. | |
| 382 */ | |
| 383 bool onScreen() { | |
| 384 return _parent && _parent.onScreen; | |
| 385 } | |
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386 |
| 0 | 387 /** |
| 388 * Gets the location of this control in screen coordinates. An exception is | |
| 389 * thrown if this control is not on the screen. | |
| 390 */ | |
| 391 Point screenLocation() { | |
| 392 if(!_parent) | |
| 393 throw new Exception("control is not on screen"); | |
| 394 return _parent.screenLocation + location; | |
| 395 } | |
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396 |
| 0 | 397 /** |
| 398 * Converts the specified point in content coordinates into screen | |
| 399 * coordinates. An exception is thrown if this control is not on the screen. | |
| 400 */ | |
| 401 Point contentToScreen(Point pt) { // TODO: content?? even on Window?? | |
| 402 if(!_parent) | |
| 403 throw new Exception("control is not on screen"); | |
| 404 return _parent.contentToScreen(pt + location); | |
| 405 } | |
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406 |
| 0 | 407 /** |
| 408 * Converts the specified point in screen coordinates into content | |
| 409 * coordinates. An exception is thrown if this control is not on the screen. | |
| 410 */ | |
| 411 Point screenToContent(Point pt) { | |
| 412 if(!_parent) | |
| 413 throw new Exception("control is not on screen"); | |
| 414 return _parent.screenToContent(pt) - location; // TODO: borders | |
| 415 } | |
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416 |
| 0 | 417 /** |
| 418 * Converts the specified point in this control's content coordinates | |
| 419 * into the specified control's content coordinates. An exception is | |
| 420 * thrown if this control is not on the screen. | |
| 421 */ | |
| 422 Point contentToContent(Point pt, Control c) { | |
| 423 return c.screenToContent(contentToScreen(pt)); | |
| 424 } | |
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425 |
| 0 | 426 /** |
| 427 * Returns whether the specified point is inside this control. | |
| 428 */ | |
| 429 bool contains(Point pt) { | |
| 430 return pt.x >= 0 && pt.y >= 0 && pt.x < width && pt.y < height; | |
| 431 } | |
| 432 /// ditto | |
| 433 bool contains(real x, real y) { | |
| 434 return contains(Point(x, y)); | |
| 435 } | |
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436 |
| 51 | 437 /** |
| 438 * Returns true if this control is a top-level control and false otherwise. | |
| 439 * Top-level controls do not have parents. Non-top-level controls can only | |
| 440 * be shown on the screen by adding them as children to a top-level control. | |
| 441 * Currently, the only top-level control is Window. | |
| 442 */ | |
| 0 | 443 bool topLevel() { return false; } |
| 444 // TODO: return NativeControl/Window? | |
| 51 | 445 /** |
| 446 * Loops over this control's ancestors, and if a top-level control is found, | |
| 447 * it is returned. If this control does not have a top-level ancestor, | |
| 448 * null is returned. | |
| 449 */ | |
| 0 | 450 Control getTopLevel() { |
| 451 Control c = this; | |
| 452 while(c.parent) | |
| 453 c = c.parent; | |
| 454 return c.topLevel ? c : null; | |
| 455 } | |
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456 |
| 0 | 457 /** |
| 458 * Gets this control's parent. | |
| 459 */ | |
| 460 Container parent() { return _parent; } | |
| 461 package void parent(Container c) { | |
| 462 _parent = c; | |
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463 //parentChanged(new EventArgs); // TODO: add event |
| 0 | 464 } |
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465 |
| 0 | 466 /** |
| 59 | 467 * Calls the specified delegate with each of this control's ancestors, |
| 468 * starting with its parent and moving up. Returns the first ancestor | |
| 469 * that the delgate returns true for. If none are found, returns null. | |
| 470 */ | |
| 471 Container findAncestor(bool delegate(Container) dg) { | |
| 472 Container anc = parent; | |
| 473 while(anc) { | |
| 474 if(dg(anc)) | |
| 475 return anc; | |
| 476 anc = anc.parent; | |
| 477 } | |
| 478 return null; | |
| 479 } | |
| 480 | |
| 481 /** | |
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482 * Gets or sets whether is control is visible. The default is true, except |
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483 * on top-level windows. |
| 0 | 484 */ |
| 485 //void visible(bool b) { visible = b; } | |
| 486 bool visible() { return _visible; } | |
| 487 | |
| 488 /** | |
| 489 * Gets or sets the location of this control in its parent's content | |
| 490 * coordinates. | |
| 491 * Examples: | |
| 492 * ----- | |
| 493 * control.location = [5, 35]; | |
| 494 * control.location = Point(50, 50); | |
| 495 * ----- | |
| 496 */ | |
| 497 Point location() { return _location; } | |
| 498 /// ditto | |
| 499 void location(Point pt) { | |
| 500 if((cast(Window)_parent) !is null) | |
| 501 throw new Exception("cannot set location of a window's content"); | |
| 502 pt.x = round(pt.x); | |
| 503 pt.y = round(pt.y); | |
| 504 repaint(); | |
| 505 _location = pt; | |
| 506 repaint(); | |
| 507 moved(new EventArgs); | |
| 508 } | |
| 509 /// ditto | |
| 510 void location(real[] pt) { | |
| 511 assert(pt.length == 2, "pt must be just an x and y"); | |
| 512 location = Point(pt[0], pt[1]); | |
| 513 } | |
| 514 | |
| 515 /** | |
| 516 * Gets or sets the size of this control. | |
| 517 * Examples: | |
| 518 * ----- | |
| 519 * control.size = [75, 23]; | |
| 520 * control.size = Size(80, 20); | |
| 521 * ----- | |
| 522 */ | |
| 523 Size size() { return _size; } | |
| 524 /// ditto | |
| 525 void size(Size newSize) { | |
| 526 if(newSize.width < 0) | |
| 527 newSize.width = 0; | |
| 528 if(newSize.height < 0) | |
| 529 newSize.height = 0; | |
| 530 newSize.width = round(newSize.width); | |
| 531 newSize.height = round(newSize.height); | |
| 532 repaint(); | |
| 533 _size = newSize; | |
| 534 repaint(); | |
| 535 resized(new EventArgs); | |
| 536 } | |
| 537 /// ditto | |
| 538 void size(real[] newSize) { | |
| 539 assert(newSize.length == 2, "size must be just a width and height"); | |
| 540 size = Size(newSize[0], newSize[1]); | |
| 541 } | |
| 542 | |
| 543 /** | |
| 544 * Gets the size at which this control looks the best. It is intended that | |
| 545 * the control not be made smaller than this size, and only be made larger | |
| 546 * if it is elastic, or if it needs to be aligned with other controls. | |
| 547 * | |
| 548 * This property should be overridden in subclasses to return a best size. | |
| 549 */ | |
| 550 Size bestSize() { return Size(100, 100); } | |
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551 |
| 0 | 552 /** |
| 553 * Gets the distance from the top of this control to the baseline of | |
| 554 * the first line of this control's text. If this control does not have | |
| 555 * text, 0 may be returned. | |
| 556 */ | |
| 557 int baseline() { return 0; } | |
| 558 | |
| 559 /// Same as location.x | |
| 560 real x() { return location.x; } | |
| 561 /// Same as location.y | |
| 562 real y() { return location.y; } | |
| 563 /// Same as size.width | |
| 564 real width() { return size.width; } | |
| 565 /// Same as size.height | |
| 566 real height() { return size.height; } | |
| 567 | |
| 568 /** | |
| 569 * Gets or sets whether this control is elastic horizontally or vertically. | |
| 570 * If a control is elastic, then it is intended to be made larger than its | |
| 571 * best size. | |
| 572 */ | |
| 573 bool elasticX() { return _elasticX; } | |
| 574 /// ditto | |
| 575 void elasticX(bool b) { _elasticX = b; } | |
| 576 /// ditto | |
| 577 bool elasticY() { return _elasticY; } | |
| 578 /// ditto | |
| 579 void elasticY(bool b) { _elasticY = b; } | |
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580 |
| 0 | 581 /** |
| 582 * Gets or sets the text that this control shows. | |
| 583 */ | |
| 584 string text() { return _text.dup; } | |
| 585 /// ditto | |
| 586 void text(string str) { | |
| 587 _text = str.dup; | |
| 588 repaint(); | |
| 589 //TextChanged(EventArgs e) // TODO: add event | |
| 590 } | |
| 591 | |
| 592 /** | |
| 593 * Gets or sets the background color of this control. | |
| 594 */ | |
| 595 Color backColor() { return _backColor; } | |
| 596 /// ditto | |
| 597 void backColor(Color c) { | |
| 598 _backColor = c; | |
| 599 repaint(); | |
| 600 } | |
| 601 | |
| 602 /** | |
| 603 * Gets or sets the foreground color of this control. | |
| 604 */ | |
| 605 Color foreColor() { return _foreColor; } | |
| 606 /// ditto | |
| 607 void foreColor(Color c) { | |
| 608 _foreColor = c; | |
| 609 repaint(); | |
| 610 } | |
| 611 | |
| 612 /** | |
| 613 * Gets or sets the font of this control uses to display text. A value of | |
| 614 * null means that the font is unset. When the font is null, the | |
| 615 * current theme's font is used. The default is null. | |
| 616 */ | |
| 617 Font font() { | |
| 618 // TODO: if font is null (unset), return from theme | |
| 619 //if(font is null) | |
| 620 // return Theme.Current.Control_Font(this); | |
| 621 //else | |
| 622 return _font; | |
| 623 } | |
| 624 /// ditto | |
| 625 void font(Font f) { | |
| 626 _font = f; | |
| 627 repaint(); | |
| 628 } | |
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629 |
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630 void setCurrentCursor(Cursor cur) { |
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631 if(parent) |
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632 parent.setCurrentCursor(cur); |
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633 } |
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634 /** |
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635 * Gets or sets the mouse cursor that will be shown when the mouse |
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636 * is over this control. |
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637 */ |
| 0 | 638 Cursor cursor() { |
| 639 return _cursor; | |
| 640 } | |
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641 /// ditto |
| 0 | 642 void cursor(Cursor cur) { |
| 643 if(_cursor is cur) | |
| 644 return; | |
| 645 _cursor = cur; | |
| 646 if(getHotControl() is this) | |
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647 setCurrentCursor(_cursor); |
| 0 | 648 } |
| 649 | |
| 650 /** | |
| 651 * Causes the part of the control inside the specified | |
| 652 * rectangle to be repainted. The rectangle is in content coordinates. | |
| 653 * | |
| 654 * The control will not be repainted before this method returns; rather, | |
| 655 * the area is just marked as needing to be repainted. The next time there | |
| 15 | 656 * are no other system events to be processed, a painting event will |
| 657 * be called. | |
| 0 | 658 */ |
| 659 void repaint(Rect rect) { | |
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660 // TODO: make sure that parts clipped off by the parent are |
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661 // not invalidated |
| 0 | 662 if(_parent) |
| 663 _parent.repaint(rect + location); | |
| 664 } | |
| 665 /// ditto | |
| 666 void repaint(real x, real y, real width, real height) { | |
| 667 repaint(Rect(x, y, width, height)); | |
| 668 } | |
| 669 /** | |
| 670 * Causes the entire control to be repainted. | |
| 671 */ | |
| 672 void repaint() { | |
| 673 repaint(Rect(0, 0, width, height)); | |
| 674 } | |
| 675 } | |
| 676 | |
| 677 |