Mercurial > projects > dwt2
annotate org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Widget.d @ 51:c01d033c633a
[swt lin]
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 27 Mar 2009 19:58:06 +0100 |
| parents | 7a2dd761a8b2 |
| children | fb3aa8075988 |
| rev | line source |
|---|---|
| 25 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module org.eclipse.swt.widgets.Widget; | |
| 14 | |
| 15 import org.eclipse.swt.SWT; | |
| 16 import java.lang.all; | |
| 17 | |
| 18 import org.eclipse.swt.events.DisposeListener; | |
| 19 import org.eclipse.swt.internal.Converter; | |
| 20 import org.eclipse.swt.internal.SWTEventListener; | |
| 21 import org.eclipse.swt.internal.gtk.OS; | |
| 22 import org.eclipse.swt.widgets.Display; | |
| 23 import org.eclipse.swt.widgets.Event; | |
| 24 import org.eclipse.swt.widgets.EventTable; | |
| 25 import org.eclipse.swt.widgets.Listener; | |
| 26 import org.eclipse.swt.widgets.TypedListener; | |
| 27 | |
| 48 | 28 import java.lang.Thread; |
| 29 version(Tango){ | |
| 25 | 30 import tango.stdc.string; |
| 48 | 31 } else { // Phobos |
| 32 } | |
| 25 | 33 |
| 34 | |
| 35 /** | |
| 36 * This class is the abstract superclass of all user interface objects. | |
| 37 * Widgets are created, disposed and issue notification to listeners | |
| 38 * when events occur which affect them. | |
| 39 * <dl> | |
| 40 * <dt><b>Styles:</b></dt> | |
| 41 * <dd>(none)</dd> | |
| 42 * <dt><b>Events:</b></dt> | |
| 43 * <dd>Dispose</dd> | |
| 44 * </dl> | |
| 45 * <p> | |
| 46 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 47 * within the SWT implementation. However, it has not been marked | |
| 48 * final to allow those outside of the SWT development team to implement | |
| 49 * patched versions of the class in order to get around specific | |
| 50 * limitations in advance of when those limitations can be addressed | |
| 51 * by the team. Any class built using subclassing to access the internals | |
| 52 * of this class will likely fail to compile or run between releases and | |
| 53 * may be strongly platform specific. Subclassing should not be attempted | |
| 54 * without an intimate and detailed understanding of the workings of the | |
| 55 * hierarchy. No support is provided for user-written classes which are | |
| 56 * implemented as subclasses of this class. | |
| 57 * </p> | |
| 58 * | |
| 59 * @see #checkSubclass | |
| 60 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 61 */ | |
| 62 public abstract class Widget { | |
| 63 /** | |
| 64 * the handle to the OS resource | |
| 65 * (Warning: This field is platform dependent) | |
| 66 * <p> | |
| 67 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT | |
| 68 * public API. It is marked public only so that it can be shared | |
| 69 * within the packages provided by SWT. It is not available on all | |
| 70 * platforms and should never be accessed from application code. | |
| 71 * </p> | |
| 72 */ | |
| 73 public GtkWidget* handle; | |
| 74 int style, state; | |
| 75 Display display; | |
| 76 EventTable eventTable; | |
| 77 Object data; | |
| 78 | |
| 79 /* Global state flags */ | |
| 80 static const int DISPOSED = 1<<0; | |
| 81 static const int CANVAS = 1<<1; | |
| 82 static const int KEYED_DATA = 1<<2; | |
| 83 static const int HANDLE = 1<<3; | |
| 84 static const int DISABLED = 1<<4; | |
| 85 static const int MENU = 1<<5; | |
| 86 static const int OBSCURED = 1<<6; | |
| 87 static const int MOVED = 1<<7; | |
| 88 static const int RESIZED = 1<<8; | |
| 89 static const int ZERO_WIDTH = 1<<9; | |
| 90 static const int ZERO_HEIGHT = 1<<10; | |
| 91 static const int HIDDEN = 1<<11; | |
| 92 static const int FOREGROUND = 1<<12; | |
| 93 static const int BACKGROUND = 1<<13; | |
| 94 static const int FONT = 1<<14; | |
| 95 static const int PARENT_BACKGROUND = 1<<15; | |
| 96 static const int THEME_BACKGROUND = 1<<16; | |
| 97 | |
| 98 /* A layout was requested on this widget */ | |
| 99 static const int LAYOUT_NEEDED = 1<<17; | |
| 100 | |
| 101 /* The preferred size of a child has changed */ | |
| 102 static const int LAYOUT_CHANGED = 1<<18; | |
| 103 | |
| 104 /* A layout was requested in this widget hierachy */ | |
| 105 static const int LAYOUT_CHILD = 1<<19; | |
| 106 | |
| 107 /* More global state flags */ | |
| 108 static const int RELEASED = 1<<20; | |
| 109 static const int DISPOSE_SENT = 1<<21; | |
| 110 static const int FOREIGN_HANDLE = 1<<22; | |
| 111 static const int DRAG_DETECT = 1<<23; | |
| 112 | |
| 113 /* Default size for widgets */ | |
| 114 static const int DEFAULT_WIDTH = 64; | |
| 115 static const int DEFAULT_HEIGHT = 64; | |
| 116 | |
| 117 /* GTK signals data */ | |
| 118 static const int ACTIVATE = 1; | |
| 119 static const int BUTTON_PRESS_EVENT = 2; | |
| 120 static const int BUTTON_PRESS_EVENT_INVERSE = 3; | |
| 121 static const int BUTTON_RELEASE_EVENT = 4; | |
| 122 static const int BUTTON_RELEASE_EVENT_INVERSE = 5; | |
| 123 static const int CHANGED = 6; | |
| 124 static const int CHANGE_VALUE = 7; | |
| 125 static const int CLICKED = 8; | |
| 126 static const int COMMIT = 9; | |
| 127 static const int CONFIGURE_EVENT = 10; | |
| 128 static const int DELETE_EVENT = 11; | |
| 129 static const int DELETE_RANGE = 12; | |
| 130 static const int DELETE_TEXT = 13; | |
| 131 static const int ENTER_NOTIFY_EVENT = 14; | |
| 132 static const int EVENT = 15; | |
| 133 static const int EVENT_AFTER = 16; | |
| 134 static const int EXPAND_COLLAPSE_CURSOR_ROW = 17; | |
| 135 static const int EXPOSE_EVENT = 18; | |
| 136 static const int EXPOSE_EVENT_INVERSE = 19; | |
| 137 static const int FOCUS = 20; | |
| 138 static const int FOCUS_IN_EVENT = 21; | |
| 139 static const int FOCUS_OUT_EVENT = 22; | |
| 140 static const int GRAB_FOCUS = 23; | |
| 141 static const int HIDE = 24; | |
| 142 static const int INPUT = 25; | |
| 143 static const int INSERT_TEXT = 26; | |
| 144 static const int KEY_PRESS_EVENT = 27; | |
| 145 static const int KEY_RELEASE_EVENT = 28; | |
| 146 static const int LEAVE_NOTIFY_EVENT = 29; | |
| 147 static const int MAP = 30; | |
| 148 static const int MAP_EVENT = 31; | |
| 149 static const int MNEMONIC_ACTIVATE = 32; | |
| 150 static const int MOTION_NOTIFY_EVENT = 33; | |
| 151 static const int MOTION_NOTIFY_EVENT_INVERSE = 34; | |
| 152 static const int MOVE_FOCUS = 35; | |
| 153 static const int OUTPUT = 36; | |
| 154 static const int POPULATE_POPUP = 37; | |
| 155 static const int POPUP_MENU = 38; | |
| 156 static const int PREEDIT_CHANGED = 39; | |
| 157 static const int REALIZE = 40; | |
| 158 static const int ROW_ACTIVATED = 41; | |
| 159 static const int SCROLL_CHILD = 42; | |
| 160 static const int SCROLL_EVENT = 43; | |
| 161 static const int SELECT = 44; | |
| 162 static const int SHOW = 45; | |
| 163 static const int SHOW_HELP = 46; | |
| 164 static const int SIZE_ALLOCATE = 47; | |
| 165 static const int STYLE_SET = 48; | |
| 166 static const int SWITCH_PAGE = 49; | |
| 167 static const int TEST_COLLAPSE_ROW = 50; | |
| 168 static const int TEST_EXPAND_ROW = 51; | |
| 169 static const int TEXT_BUFFER_INSERT_TEXT = 52; | |
| 170 static const int TOGGLED = 53; | |
| 171 static const int UNMAP = 54; | |
| 172 static const int UNMAP_EVENT = 55; | |
| 173 static const int UNREALIZE = 56; | |
| 174 static const int VALUE_CHANGED = 57; | |
| 175 static const int VISIBILITY_NOTIFY_EVENT = 58; | |
| 176 static const int WINDOW_STATE_EVENT = 59; | |
| 177 static const int ACTIVATE_INVERSE = 60; | |
| 178 static const int DAY_SELECTED = 61; | |
| 179 static const int MONTH_CHANGED = 62; | |
| 180 static const int LAST_SIGNAL = 63; | |
| 181 | |
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182 //version(D_Version2){ |
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183 static String UD_Getter(String name){ |
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184 return "void* ud"~name~"(){ return getDisplay().getWindowProcUserData( "~name~"); }\n"; |
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185 } |
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186 //} else { // D1 |
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187 //template UD_Getter( String name ){ |
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188 // const String UD_Getter = "void* ud"~name~"(){ return getDisplay().getWindowProcUserData( "~name~"); }\n"; |
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189 //} |
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190 //} |
| 25 | 191 |
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192 mixin ( UD_Getter( "ACTIVATE" )); |
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193 mixin ( UD_Getter( "BUTTON_PRESS_EVENT" )); |
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194 mixin ( UD_Getter( "BUTTON_PRESS_EVENT_INVERSE" )); |
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195 mixin ( UD_Getter( "BUTTON_RELEASE_EVENT" )); |
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196 mixin ( UD_Getter( "BUTTON_RELEASE_EVENT_INVERSE" )); |
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197 mixin ( UD_Getter( "CHANGED" )); |
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198 mixin ( UD_Getter( "CHANGE_VALUE" )); |
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199 mixin ( UD_Getter( "CLICKED" )); |
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200 mixin ( UD_Getter( "COMMIT" )); |
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201 mixin ( UD_Getter( "CONFIGURE_EVENT" )); |
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202 mixin ( UD_Getter( "DELETE_EVENT" )); |
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203 mixin ( UD_Getter( "DELETE_RANGE" )); |
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204 mixin ( UD_Getter( "DELETE_TEXT" )); |
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205 mixin ( UD_Getter( "ENTER_NOTIFY_EVENT" )); |
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206 mixin ( UD_Getter( "EVENT" )); |
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207 mixin ( UD_Getter( "EVENT_AFTER" )); |
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208 mixin ( UD_Getter( "EXPAND_COLLAPSE_CURSOR_ROW" )); |
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209 mixin ( UD_Getter( "EXPOSE_EVENT" )); |
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210 mixin ( UD_Getter( "EXPOSE_EVENT_INVERSE" )); |
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211 mixin ( UD_Getter( "FOCUS" )); |
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212 mixin ( UD_Getter( "FOCUS_IN_EVENT" )); |
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213 mixin ( UD_Getter( "FOCUS_OUT_EVENT" )); |
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214 mixin ( UD_Getter( "GRAB_FOCUS" )); |
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215 mixin ( UD_Getter( "HIDE" )); |
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216 mixin ( UD_Getter( "INPUT" )); |
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217 mixin ( UD_Getter( "INSERT_TEXT" )); |
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218 mixin ( UD_Getter( "KEY_PRESS_EVENT" )); |
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219 mixin ( UD_Getter( "KEY_RELEASE_EVENT" )); |
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220 mixin ( UD_Getter( "LEAVE_NOTIFY_EVENT" )); |
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221 mixin ( UD_Getter( "MAP" )); |
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222 mixin ( UD_Getter( "MAP_EVENT" )); |
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223 mixin ( UD_Getter( "MNEMONIC_ACTIVATE" )); |
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224 mixin ( UD_Getter( "MOTION_NOTIFY_EVENT" )); |
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225 mixin ( UD_Getter( "MOTION_NOTIFY_EVENT_INVERSE" )); |
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226 mixin ( UD_Getter( "MOVE_FOCUS" )); |
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227 mixin ( UD_Getter( "OUTPUT" )); |
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228 mixin ( UD_Getter( "POPULATE_POPUP" )); |
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229 mixin ( UD_Getter( "POPUP_MENU" )); |
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230 mixin ( UD_Getter( "PREEDIT_CHANGED" )); |
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231 mixin ( UD_Getter( "REALIZE" )); |
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232 mixin ( UD_Getter( "ROW_ACTIVATED" )); |
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233 mixin ( UD_Getter( "SCROLL_CHILD" )); |
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234 mixin ( UD_Getter( "SCROLL_EVENT" )); |
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235 mixin ( UD_Getter( "SELECT" )); |
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236 mixin ( UD_Getter( "SHOW" )); |
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237 mixin ( UD_Getter( "SHOW_HELP" )); |
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238 mixin ( UD_Getter( "SIZE_ALLOCATE" )); |
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239 mixin ( UD_Getter( "STYLE_SET" )); |
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240 mixin ( UD_Getter( "SWITCH_PAGE" )); |
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241 mixin ( UD_Getter( "TEST_COLLAPSE_ROW" )); |
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242 mixin ( UD_Getter( "TEST_EXPAND_ROW" )); |
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243 mixin ( UD_Getter( "TEXT_BUFFER_INSERT_TEXT" )); |
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244 mixin ( UD_Getter( "TOGGLED" )); |
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245 mixin ( UD_Getter( "UNMAP" )); |
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246 mixin ( UD_Getter( "UNMAP_EVENT" )); |
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247 mixin ( UD_Getter( "UNREALIZE" )); |
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248 mixin ( UD_Getter( "VALUE_CHANGED" )); |
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249 mixin ( UD_Getter( "VISIBILITY_NOTIFY_EVENT" )); |
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250 mixin ( UD_Getter( "WINDOW_STATE_EVENT" )); |
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251 mixin ( UD_Getter( "ACTIVATE_INVERSE" )); |
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252 mixin ( UD_Getter( "DAY_SELECTED" )); |
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253 mixin ( UD_Getter( "MONTH_CHANGED" )); |
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254 mixin ( UD_Getter( "LAST_SIGNAL" )); |
| 25 | 255 |
| 256 /** | |
| 257 * Prevents uninitialized instances from being created outside the package. | |
| 258 */ | |
| 259 this () {} | |
| 260 | |
| 261 /** | |
| 262 * Constructs a new instance of this class given its parent | |
| 263 * and a style value describing its behavior and appearance. | |
| 264 * <p> | |
| 265 * The style value is either one of the style constants defined in | |
| 266 * class <code>SWT</code> which is applicable to instances of this | |
| 267 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 268 * (that is, using the <code>int</code> "|" operator) two or more | |
| 269 * of those <code>SWT</code> style constants. The class description | |
| 270 * lists the style constants that are applicable to the class. | |
| 271 * Style bits are also inherited from superclasses. | |
| 272 * </p> | |
| 273 * | |
| 274 * @param parent a widget which will be the parent of the new instance (cannot be null) | |
| 275 * @param style the style of widget to construct | |
| 276 * | |
| 277 * @exception IllegalArgumentException <ul> | |
| 278 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 279 * <li>ERROR_INVALID_ARGUMENT - if the parent is disposed</li> | |
| 280 * </ul> | |
| 281 * @exception SWTException <ul> | |
| 282 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 283 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 284 * </ul> | |
| 285 * | |
| 286 * @see SWT | |
| 287 * @see #checkSubclass | |
| 288 * @see #getStyle | |
| 289 */ | |
| 290 public this (Widget parent, int style) { | |
| 291 checkSubclass (); | |
| 292 checkParent (parent); | |
| 293 this.style = style; | |
| 294 display = parent.display; | |
| 295 } | |
| 296 | |
| 297 void _addListener (int eventType, Listener listener) { | |
| 298 if (eventTable is null) eventTable = new EventTable (); | |
| 299 eventTable.hook (eventType, listener); | |
| 300 } | |
| 301 | |
| 302 /** | |
| 303 * Adds the listener to the collection of listeners who will | |
| 304 * be notified when an event of the given type occurs. When the | |
| 305 * event does occur in the widget, the listener is notified by | |
| 306 * sending it the <code>handleEvent()</code> message. The event | |
| 307 * type is one of the event constants defined in class <code>SWT</code>. | |
| 308 * | |
| 309 * @param eventType the type of event to listen for | |
| 310 * @param listener the listener which should be notified when the event occurs | |
| 311 * | |
| 312 * @exception IllegalArgumentException <ul> | |
| 313 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 314 * </ul> | |
| 315 * @exception SWTException <ul> | |
| 316 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 317 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 318 * </ul> | |
| 319 * | |
| 320 * @see Listener | |
| 321 * @see SWT | |
| 322 * @see #getListeners(int) | |
| 323 * @see #removeListener(int, Listener) | |
| 324 * @see #notifyListeners | |
| 325 */ | |
| 326 public void addListener (int eventType, Listener listener) { | |
| 327 checkWidget (); | |
| 328 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 329 _addListener (eventType, listener); | |
| 330 } | |
| 331 | |
| 332 /** | |
| 333 * Adds the listener to the collection of listeners who will | |
| 334 * be notified when the widget is disposed. When the widget is | |
| 335 * disposed, the listener is notified by sending it the | |
| 336 * <code>widgetDisposed()</code> message. | |
| 337 * | |
| 338 * @param listener the listener which should be notified when the receiver is disposed | |
| 339 * | |
| 340 * @exception IllegalArgumentException <ul> | |
| 341 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 342 * </ul> | |
| 343 * @exception SWTException <ul> | |
| 344 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 345 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 346 * </ul> | |
| 347 * | |
| 348 * @see DisposeListener | |
| 349 * @see #removeDisposeListener | |
| 350 */ | |
| 351 public void addDisposeListener (DisposeListener listener) { | |
| 352 checkWidget (); | |
| 353 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 354 TypedListener typedListener = new TypedListener (listener); | |
| 355 addListener (SWT.Dispose, typedListener); | |
| 356 } | |
| 357 | |
| 358 GdkWindow* paintWindow () { | |
| 359 return null; | |
| 360 } | |
| 361 | |
| 362 static int checkBits (int style, int int0, int int1, int int2, int int3, int int4, int int5) { | |
| 363 int mask = int0 | int1 | int2 | int3 | int4 | int5; | |
| 364 if ((style & mask) is 0) style |= int0; | |
| 365 if ((style & int0) !is 0) style = (style & ~mask) | int0; | |
| 366 if ((style & int1) !is 0) style = (style & ~mask) | int1; | |
| 367 if ((style & int2) !is 0) style = (style & ~mask) | int2; | |
| 368 if ((style & int3) !is 0) style = (style & ~mask) | int3; | |
| 369 if ((style & int4) !is 0) style = (style & ~mask) | int4; | |
| 370 if ((style & int5) !is 0) style = (style & ~mask) | int5; | |
| 371 return style; | |
| 372 } | |
| 373 | |
| 374 void cellDataProc ( | |
| 375 GtkTreeViewColumn *tree_column, | |
| 376 GtkCellRenderer *cell, | |
| 377 GtkTreeModel *tree_model, | |
| 378 GtkTreeIter *iter, | |
| 379 void* data) | |
| 380 { | |
| 381 } | |
| 382 | |
| 383 void checkOpen () { | |
| 384 /* Do nothing */ | |
| 385 } | |
| 386 | |
| 387 void checkOrientation (Widget parent) { | |
| 388 style &= ~SWT.MIRRORED; | |
| 389 if ((style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT)) is 0) { | |
| 390 if (parent !is null) { | |
| 391 if ((parent.style & SWT.LEFT_TO_RIGHT) !is 0) style |= SWT.LEFT_TO_RIGHT; | |
| 392 if ((parent.style & SWT.RIGHT_TO_LEFT) !is 0) style |= SWT.RIGHT_TO_LEFT; | |
| 393 } | |
| 394 } | |
| 395 style = checkBits (style, SWT.LEFT_TO_RIGHT, SWT.RIGHT_TO_LEFT, 0, 0, 0, 0); | |
| 396 /* Versions of GTK prior to 2.8 do not render RTL text properly */ | |
| 397 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 0)) { | |
| 398 style &= ~SWT.RIGHT_TO_LEFT; | |
| 399 style |= SWT.LEFT_TO_RIGHT; | |
| 400 } | |
| 401 } | |
| 402 | |
| 403 /** | |
| 404 * Throws an exception if the specified widget can not be | |
| 405 * used as a parent for the receiver. | |
| 406 * | |
| 407 * @exception IllegalArgumentException <ul> | |
| 408 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 409 * <li>ERROR_INVALID_ARGUMENT - if the parent is disposed</li> | |
| 410 * </ul> | |
| 411 * @exception SWTException <ul> | |
| 412 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 413 * </ul> | |
| 414 */ | |
| 415 void checkParent (Widget parent) { | |
| 416 if (parent is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 417 if (parent.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); | |
| 418 parent.checkWidget (); | |
| 419 parent.checkOpen (); | |
| 420 } | |
| 421 | |
| 422 /** | |
| 423 * Checks that this class can be subclassed. | |
| 424 * <p> | |
| 425 * The SWT class library is intended to be subclassed | |
| 426 * only at specific, controlled points (most notably, | |
| 427 * <code>Composite</code> and <code>Canvas</code> when | |
| 428 * implementing new widgets). This method enforces this | |
| 429 * rule unless it is overridden. | |
| 430 * </p><p> | |
| 431 * <em>IMPORTANT:</em> By providing an implementation of this | |
| 432 * method that allows a subclass of a class which does not | |
| 433 * normally allow subclassing to be created, the implementer | |
| 434 * agrees to be fully responsible for the fact that any such | |
| 435 * subclass will likely fail between SWT releases and will be | |
| 436 * strongly platform specific. No support is provided for | |
| 437 * user-written classes which are implemented in this fashion. | |
| 438 * </p><p> | |
| 439 * The ability to subclass outside of the allowed SWT classes | |
| 440 * is intended purely to enable those not on the SWT development | |
| 441 * team to implement patches in order to get around specific | |
| 442 * limitations in advance of when those limitations can be | |
| 443 * addressed by the team. Subclassing should not be attempted | |
| 444 * without an intimate and detailed understanding of the hierarchy. | |
| 445 * </p> | |
| 446 * | |
| 447 * @exception SWTException <ul> | |
| 448 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 449 * </ul> | |
| 450 */ | |
| 451 protected void checkSubclass () { | |
| 452 if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); | |
| 453 } | |
| 454 | |
| 455 /** | |
| 456 * Throws an <code>SWTException</code> if the receiver can not | |
| 457 * be accessed by the caller. This may include both checks on | |
| 458 * the state of the receiver and more generally on the entire | |
| 459 * execution context. This method <em>should</em> be called by | |
| 460 * widget implementors to enforce the standard SWT invariants. | |
| 461 * <p> | |
| 462 * Currently, it is an error to invoke any method (other than | |
| 463 * <code>isDisposed()</code>) on a widget that has had its | |
| 464 * <code>dispose()</code> method called. It is also an error | |
| 465 * to call widget methods from any thread that is different | |
| 466 * from the thread that created the widget. | |
| 467 * </p><p> | |
| 468 * In future releases of SWT, there may be more or fewer error | |
| 469 * checks and exceptions may be thrown for different reasons. | |
| 470 * </p> | |
| 471 * | |
| 472 * @exception SWTException <ul> | |
| 473 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 474 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 475 * </ul> | |
| 476 */ | |
| 477 public void checkWidget () { | |
| 478 Display display = this.display; | |
| 479 if (display is null) error (SWT.ERROR_WIDGET_DISPOSED); | |
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480 if (display.thread !is Thread.currentThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); |
| 25 | 481 if ((state & DISPOSED) !is 0) error (SWT.ERROR_WIDGET_DISPOSED); |
| 482 } | |
| 483 | |
| 484 void createHandle (int index) { | |
| 485 } | |
| 486 | |
| 487 void createWidget (int index) { | |
| 488 createHandle (index); | |
| 489 setOrientation (); | |
| 490 hookEvents (); | |
| 491 register (); | |
| 492 } | |
| 493 | |
| 494 void deregister () { | |
| 495 if (handle is null) return; | |
| 496 if ((state & HANDLE) !is 0) display.removeWidget (handle); | |
| 497 } | |
| 498 | |
| 499 void destroyWidget () { | |
| 500 GtkWidget* h = topHandle (); | |
| 501 releaseHandle (); | |
| 502 if (h !is null && (state & HANDLE) !is 0) { | |
| 503 OS.gtk_widget_destroy (h); | |
| 504 } | |
| 505 } | |
| 506 | |
| 507 /** | |
| 508 * Disposes of the operating system resources associated with | |
| 509 * the receiver and all its descendants. After this method has | |
| 510 * been invoked, the receiver and all descendants will answer | |
| 511 * <code>true</code> when sent the message <code>isDisposed()</code>. | |
| 512 * Any internal connections between the widgets in the tree will | |
| 513 * have been removed to facilitate garbage collection. | |
| 514 * <p> | |
| 515 * NOTE: This method is not called recursively on the descendants | |
| 516 * of the receiver. This means that, widget implementers can not | |
| 517 * detect when a widget is being disposed of by re-implementing | |
| 518 * this method, but should instead listen for the <code>Dispose</code> | |
| 519 * event. | |
| 520 * </p> | |
| 521 * | |
| 522 * @exception SWTException <ul> | |
| 523 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 524 * </ul> | |
| 525 * | |
| 526 * @see #addDisposeListener | |
| 527 * @see #removeDisposeListener | |
| 528 * @see #checkWidget | |
| 529 */ | |
| 530 public void dispose () { | |
| 531 /* | |
| 532 * Note: It is valid to attempt to dispose a widget | |
| 533 * more than once. If this happens, fail silently. | |
| 534 */ | |
| 535 if (isDisposed ()) return; | |
| 536 if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); | |
| 537 release (true); | |
| 538 } | |
| 539 | |
| 540 void error (int code) { | |
| 541 SWT.error (code); | |
| 542 } | |
| 543 | |
| 544 /** | |
| 545 * Returns the application defined widget data associated | |
| 546 * with the receiver, or null if it has not been set. The | |
| 547 * <em>widget data</em> is a single, unnamed field that is | |
| 548 * stored with every widget. | |
| 549 * <p> | |
| 550 * Applications may put arbitrary objects in this field. If | |
| 551 * the object stored in the widget data needs to be notified | |
| 552 * when the widget is disposed of, it is the application's | |
| 553 * responsibility to hook the Dispose event on the widget and | |
| 554 * do so. | |
| 555 * </p> | |
| 556 * | |
| 557 * @return the widget data | |
| 558 * | |
| 559 * @exception SWTException <ul> | |
| 560 * <li>ERROR_WIDGET_DISPOSED - when the receiver has been disposed</li> | |
| 561 * <li>ERROR_THREAD_INVALID_ACCESS - when called from the wrong thread</li> | |
| 562 * </ul> | |
| 563 * | |
| 564 * @see #setData(Object) | |
| 565 */ | |
| 566 public Object getData () { | |
| 567 checkWidget(); | |
| 568 return (state & KEYED_DATA) !is 0 ? (cast(ArrayWrapperObject)data).array[0] : data; | |
| 569 } | |
| 570 public String getDataStr () { | |
| 571 return stringcast( getData() ); | |
| 572 } | |
| 573 | |
| 574 /** | |
| 575 * Returns the application defined property of the receiver | |
| 576 * with the specified name, or null if it has not been set. | |
| 577 * <p> | |
| 578 * Applications may have associated arbitrary objects with the | |
| 579 * receiver in this fashion. If the objects stored in the | |
| 580 * properties need to be notified when the widget is disposed | |
| 581 * of, it is the application's responsibility to hook the | |
| 582 * Dispose event on the widget and do so. | |
| 583 * </p> | |
| 584 * | |
| 585 * @param key the name of the property | |
| 586 * @return the value of the property or null if it has not been set | |
| 587 * | |
| 588 * @exception SWTException <ul> | |
| 589 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 590 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 591 * </ul> | |
| 592 * | |
| 593 * @see #setData(String, Object) | |
| 594 */ | |
| 595 public Object getData (String key) { | |
| 596 checkWidget(); | |
| 597 // SWT extension: allow null for zero length string | |
| 598 //if (key is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 599 if ((state & KEYED_DATA) !is 0) { | |
| 600 Object[] table = (cast(ArrayWrapperObject) data).array; | |
| 601 for (int i=1; i<table.length; i+=2) { | |
| 51 | 602 String tablekey = stringcast(table[i]); |
| 603 if (key.equals( tablekey) ) return table [i+1]; | |
| 25 | 604 } |
| 605 } | |
| 606 return null; | |
| 607 } | |
| 608 public String getDataStr (String key) { | |
| 609 return stringcast( getData(key) ); | |
| 610 } | |
| 611 | |
| 612 /** | |
| 613 * Returns the <code>Display</code> that is associated with | |
| 614 * the receiver. | |
| 615 * <p> | |
| 616 * A widget's display is either provided when it is created | |
| 617 * (for example, top level <code>Shell</code>s) or is the | |
| 618 * same as its parent's display. | |
| 619 * </p> | |
| 620 * | |
| 621 * @return the receiver's display | |
| 622 * | |
| 623 * @exception SWTException <ul> | |
| 624 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 625 * </ul> | |
| 626 */ | |
| 627 public Display getDisplay () { | |
| 628 Display display = this.display; | |
| 629 if (display is null) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 630 return display; | |
| 631 } | |
| 632 | |
| 633 /** | |
| 634 * Returns an array of listeners who will be notified when an event | |
| 635 * of the given type occurs. The event type is one of the event constants | |
| 636 * defined in class <code>SWT</code>. | |
| 637 * | |
| 638 * @param eventType the type of event to listen for | |
| 639 * @return an array of listeners that will be notified when the event occurs | |
| 640 * | |
| 641 * @exception SWTException <ul> | |
| 642 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 643 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 644 * </ul> | |
| 645 * | |
| 646 * @see Listener | |
| 647 * @see SWT | |
| 648 * @see #addListener(int, Listener) | |
| 649 * @see #removeListener(int, Listener) | |
| 650 * @see #notifyListeners | |
| 651 * | |
| 652 * @since 3.4 | |
| 653 */ | |
| 654 public Listener[] getListeners (int eventType) { | |
| 655 checkWidget(); | |
| 656 if (eventTable is null) return new Listener[0]; | |
| 657 return eventTable.getListeners(eventType); | |
| 658 } | |
| 659 | |
| 660 String getName () { | |
| 661 // String str = getClass ().getName (); | |
| 662 // int index = str.lastIndexOf ('.'); | |
| 663 // if (index is -1) return str; | |
| 664 String str = this.classinfo.name; | |
| 665 int index = str.length; | |
| 666 while ((--index > 0) && (str[index] !is '.')) {} | |
| 667 return str[index + 1 .. $ ]; | |
| 668 } | |
| 669 | |
| 670 String getNameText () { | |
| 671 return ""; | |
| 672 } | |
| 673 | |
| 674 /** | |
| 675 * Returns the receiver's style information. | |
| 676 * <p> | |
| 677 * Note that the value which is returned by this method <em>may | |
| 678 * not match</em> the value which was provided to the constructor | |
| 679 * when the receiver was created. This can occur when the underlying | |
| 680 * operating system does not support a particular combination of | |
| 681 * requested styles. For example, if the platform widget used to | |
| 682 * implement a particular SWT widget always has scroll bars, the | |
| 683 * result of calling this method would always have the | |
| 684 * <code>SWT.H_SCROLL</code> and <code>SWT.V_SCROLL</code> bits set. | |
| 685 * </p> | |
| 686 * | |
| 687 * @return the style bits | |
| 688 * | |
| 689 * @exception SWTException <ul> | |
| 690 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 691 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 692 * </ul> | |
| 693 */ | |
| 694 public int getStyle () { | |
| 695 checkWidget (); | |
| 696 return style; | |
| 697 } | |
| 698 | |
| 699 | |
| 700 int /*long*/ gtk_activate (GtkWidget* widget) { | |
| 701 return 0; | |
| 702 } | |
| 703 | |
| 704 int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* event) { | |
| 705 return 0; | |
| 706 } | |
| 707 | |
| 708 int /*long*/ gtk_button_release_event (GtkWidget* widget, GdkEventButton* event) { | |
| 709 return 0; | |
| 710 } | |
| 711 | |
| 712 int /*long*/ gtk_changed (GtkWidget* widget) { | |
| 713 return 0; | |
| 714 } | |
| 715 | |
| 716 int /*long*/ gtk_change_value (GtkWidget* widget, int /*long*/ scroll, int /*long*/ value1, int /*long*/ value2) { | |
| 717 return 0; | |
| 718 } | |
| 719 | |
| 720 int /*long*/ gtk_clicked (GtkWidget* widget) { | |
| 721 return 0; | |
| 722 } | |
| 723 | |
| 724 int /*long*/ gtk_commit (GtkIMContext* imcontext, char* text) { | |
| 725 return 0; | |
| 726 } | |
| 727 | |
| 728 int /*long*/ gtk_configure_event (GtkWidget* widget, int /*long*/ event) { | |
| 729 return 0; | |
| 730 } | |
| 731 | |
| 732 int /*long*/ gtk_day_selected (GtkWidget* widget) { | |
| 733 return 0; | |
| 734 } | |
| 735 | |
| 736 int /*long*/ gtk_delete_event (GtkWidget* widget, int /*long*/ event) { | |
| 737 return 0; | |
| 738 } | |
| 739 | |
| 740 int /*long*/ gtk_delete_range (GtkWidget* widget, int /*long*/ iter1, int /*long*/ iter2) { | |
| 741 return 0; | |
| 742 } | |
| 743 | |
| 744 int /*long*/ gtk_delete_text (GtkWidget* widget, int /*long*/ start_pos, int /*long*/ end_pos) { | |
| 745 return 0; | |
| 746 } | |
| 747 | |
| 748 int /*long*/ gtk_enter_notify_event (GtkWidget* widget, GdkEventCrossing* event) { | |
| 749 return 0; | |
| 750 } | |
| 751 | |
| 752 int /*long*/ gtk_event (GtkWidget* widget, GdkEvent* event) { | |
| 753 return 0; | |
| 754 } | |
| 755 | |
| 756 int /*long*/ gtk_event_after (GtkWidget* widget, GdkEvent* event) { | |
| 757 return 0; | |
| 758 } | |
| 759 | |
| 760 int /*long*/ gtk_expand_collapse_cursor_row (GtkWidget* widget, int /*long*/ logical, int /*long*/ expand, int /*long*/ open_all) { | |
| 761 return 0; | |
| 762 } | |
| 763 | |
| 764 int /*long*/ gtk_expose_event (GtkWidget* widget, GdkEventExpose* event) { | |
| 765 return 0; | |
| 766 } | |
| 767 | |
| 768 int /*long*/ gtk_focus (GtkWidget* widget, int directionType) { | |
| 769 return 0; | |
| 770 } | |
| 771 | |
| 772 int /*long*/ gtk_focus_in_event (GtkWidget* widget, GdkEventFocus* event) { | |
| 773 return 0; | |
| 774 } | |
| 775 | |
| 776 int /*long*/ gtk_focus_out_event (GtkWidget* widget, GdkEventFocus* event) { | |
| 777 return 0; | |
| 778 } | |
| 779 | |
| 780 int /*long*/ gtk_grab_focus (GtkWidget* widget) { | |
| 781 return 0; | |
| 782 } | |
| 783 | |
| 784 int /*long*/ gtk_hide (GtkWidget* widget) { | |
| 785 return 0; | |
| 786 } | |
| 787 | |
| 788 int /*long*/ gtk_input (GtkWidget* widget, int /*long*/ arg1) { | |
| 789 return 0; | |
| 790 } | |
| 791 | |
| 792 int /*long*/ gtk_insert_text (GtkEditable* widget, char* new_text, int new_text_length, int position) { | |
| 793 return 0; | |
| 794 } | |
| 795 | |
| 796 int /*long*/ gtk_key_press_event (GtkWidget* widget, GdkEventKey* event) { | |
| 797 return sendKeyEvent (SWT.KeyDown, event) ? 0 : 1; | |
| 798 } | |
| 799 | |
| 800 int /*long*/ gtk_key_release_event (GtkWidget* widget, GdkEventKey* event) { | |
| 801 return sendKeyEvent (SWT.KeyUp, event) ? 0 : 1; | |
| 802 } | |
| 803 | |
| 804 int /*long*/ gtk_leave_notify_event (GtkWidget* widget, GdkEventCrossing* event) { | |
| 805 return 0; | |
| 806 } | |
| 807 | |
| 808 int /*long*/ gtk_map (GtkWidget* widget) { | |
| 809 return 0; | |
| 810 } | |
| 811 | |
| 812 int /*long*/ gtk_map_event (GtkWidget* widget, int /*long*/ event) { | |
| 813 return 0; | |
| 814 } | |
| 815 | |
| 816 int /*long*/ gtk_mnemonic_activate (GtkWidget* widget, int /*long*/ arg1) { | |
| 817 return 0; | |
| 818 } | |
| 819 | |
| 820 int /*long*/ gtk_month_changed (GtkWidget* widget) { | |
| 821 return 0; | |
| 822 } | |
| 823 | |
| 824 int /*long*/ gtk_motion_notify_event (GtkWidget* widget, GdkEventMotion* event) { | |
| 825 return 0; | |
| 826 } | |
| 827 | |
| 828 int /*long*/ gtk_move_focus (GtkWidget* widget, int directionType) { | |
| 829 return 0; | |
| 830 } | |
| 831 | |
| 832 int /*long*/ gtk_output (GtkWidget* widget) { | |
| 833 return 0; | |
| 834 } | |
| 835 | |
| 836 int /*long*/ gtk_populate_popup (GtkWidget* widget, GtkWidget* menu) { | |
| 837 return 0; | |
| 838 } | |
| 839 | |
| 840 int /*long*/ gtk_popup_menu (GtkWidget* widget) { | |
| 841 return 0; | |
| 842 } | |
| 843 | |
| 844 int /*long*/ gtk_preedit_changed (GtkIMContext* imcontext) { | |
| 845 return 0; | |
| 846 } | |
| 847 | |
| 848 int /*long*/ gtk_realize (GtkWidget* widget) { | |
| 849 return 0; | |
| 850 } | |
| 851 | |
| 852 void gtk_row_activated (GtkTreeView* tree, GtkTreePath* path, GtkTreeViewColumn* column) { | |
| 853 } | |
| 854 | |
| 855 int /*long*/ gtk_scroll_child (GtkWidget* widget, int /*long*/ scrollType, int /*long*/ horizontal) { | |
| 856 return 0; | |
| 857 } | |
| 858 | |
| 859 int /*long*/ gtk_scroll_event (GtkWidget* widget, GdkEventScroll* event) { | |
| 860 return 0; | |
| 861 } | |
| 862 | |
| 863 int /*long*/ gtk_select (int /*long*/ item) { | |
| 864 return 0; | |
| 865 } | |
| 866 | |
| 867 int /*long*/ gtk_show (GtkWidget* widget) { | |
| 868 return 0; | |
| 869 } | |
| 870 | |
| 871 int /*long*/ gtk_show_help (GtkWidget* widget, int /*long*/ helpType) { | |
| 872 return 0; | |
| 873 } | |
| 874 | |
| 875 int /*long*/ gtk_size_allocate (GtkWidget* widget, int /*long*/ allocation) { | |
| 876 return 0; | |
| 877 } | |
| 878 | |
| 879 int /*long*/ gtk_style_set (GtkWidget* widget, int /*long*/ previousStyle) { | |
| 880 return 0; | |
| 881 } | |
| 882 | |
| 883 int /*long*/ gtk_switch_page (GtkWidget* widget, int /*long*/ page, int /*long*/ page_num) { | |
| 884 return 0; | |
| 885 } | |
| 886 | |
| 887 int gtk_test_collapse_row ( | |
| 888 GtkTreeView *tree_view, | |
| 889 GtkTreeIter *iter, | |
| 890 GtkTreePath *path) | |
| 891 { | |
| 892 return 0; | |
| 893 } | |
| 894 | |
| 895 int /*long*/ gtk_test_expand_row ( | |
| 896 GtkTreeView *tree_view, | |
| 897 GtkTreeIter *iter, | |
| 898 GtkTreePath *path) | |
| 899 { | |
| 900 return 0; | |
| 901 } | |
| 902 | |
| 903 int /*long*/ gtk_text_buffer_insert_text (GtkTextBuffer *buffer, GtkTextIter *iter, char *text, int len) { | |
| 904 return 0; | |
| 905 } | |
| 906 | |
| 907 int /*long*/ gtk_timer () { | |
| 908 return 0; | |
| 909 } | |
| 910 | |
| 911 int /*long*/ gtk_toggled (int /*long*/ renderer, char* pathStr) { | |
| 912 return 0; | |
| 913 } | |
| 914 | |
| 915 int /*long*/ gtk_unmap (GtkWidget* widget) { | |
| 916 return 0; | |
| 917 } | |
| 918 | |
| 919 int /*long*/ gtk_unmap_event (GtkWidget* widget, int /*long*/ event) { | |
| 920 return 0; | |
| 921 } | |
| 922 | |
| 923 int /*long*/ gtk_unrealize (GtkWidget* widget) { | |
| 924 return 0; | |
| 925 } | |
| 926 | |
| 927 int /*long*/ gtk_value_changed (int /*long*/ adjustment) { | |
| 928 return 0; | |
| 929 } | |
| 930 | |
| 931 int /*long*/ gtk_visibility_notify_event (GtkWidget* widget, GdkEventVisibility* event) { | |
| 932 return 0; | |
| 933 } | |
| 934 | |
| 935 int /*long*/ gtk_window_state_event (GtkWidget* widget, GdkEventWindowState* event) { | |
| 936 return 0; | |
| 937 } | |
| 938 | |
| 939 int fontHeight ( PangoFontDescription* font, GtkWidget* widgetHandle ) { | |
| 940 auto context = OS.gtk_widget_get_pango_context (widgetHandle); | |
| 941 auto lang = OS.pango_context_get_language (context); | |
| 942 auto metrics = OS.pango_context_get_metrics (context, font, lang); | |
| 943 int ascent = OS.pango_font_metrics_get_ascent (metrics); | |
| 944 int descent = OS.pango_font_metrics_get_descent (metrics); | |
| 945 OS.pango_font_metrics_unref (metrics); | |
| 946 return OS.PANGO_PIXELS (ascent + descent); | |
| 947 } | |
| 948 | |
| 949 int filterProc (XEvent* xEvent, GdkEvent* gdkEvent, void* data) { | |
| 950 return 0; | |
| 951 } | |
| 952 | |
| 953 bool filters (int eventType) { | |
| 954 return display.filters (eventType); | |
| 955 } | |
| 956 | |
| 957 int /*long*/ fixedMapProc (GtkWidget* widget) { | |
| 958 return 0; | |
| 959 } | |
| 960 | |
| 961 void fixedSizeAllocateProc(GtkWidget* widget, GtkAllocation* allocationPtr) { | |
| 962 return Display.oldFixedSizeAllocateProc(widget, allocationPtr); | |
| 963 } | |
| 964 | |
| 965 char [] fixMnemonic (String str) { | |
| 966 return fixMnemonic (str, true); | |
| 967 } | |
| 968 | |
| 969 char [] fixMnemonic (String str, bool replace) { | |
| 970 int len = str.length; | |
| 51 | 971 auto text = str[0 .. len].dup; |
| 25 | 972 int i = 0, j = 0; |
| 973 char [] result = new char [len * 2]; | |
| 974 while (i < len) { | |
| 975 switch (text [i]) { | |
| 976 case '&': | |
| 977 if (i + 1 < len && text [i + 1] is '&') { | |
| 978 i++; | |
| 979 } else { | |
| 980 if (replace) { | |
| 981 text [i] = '_'; | |
| 982 } else { | |
| 983 i++; | |
| 984 } | |
| 985 } | |
| 986 break; | |
| 987 case '_': | |
| 988 if (replace) result [j++] = '_'; | |
| 989 break; | |
| 990 default: | |
| 991 } | |
| 992 result [j++] = text [i++]; | |
| 993 } | |
| 994 return result[0..j]; | |
| 995 } | |
| 996 | |
| 997 /** | |
| 998 * Returns <code>true</code> if the widget has been disposed, | |
| 999 * and <code>false</code> otherwise. | |
| 1000 * <p> | |
| 1001 * This method gets the dispose state for the widget. | |
| 1002 * When a widget has been disposed, it is an error to | |
| 1003 * invoke any other method using the widget. | |
| 1004 * </p> | |
| 1005 * | |
| 1006 * @return <code>true</code> when the widget is disposed and <code>false</code> otherwise | |
| 1007 */ | |
| 1008 public bool isDisposed () { | |
| 1009 return (state & DISPOSED) !is 0; | |
| 1010 } | |
| 1011 | |
| 1012 /** | |
| 1013 * Returns <code>true</code> if there are any listeners | |
| 1014 * for the specified event type associated with the receiver, | |
| 1015 * and <code>false</code> otherwise. The event type is one of | |
| 1016 * the event constants defined in class <code>SWT</code>. | |
| 1017 * | |
| 1018 * @param eventType the type of event | |
| 1019 * @return true if the event is hooked | |
| 1020 * | |
| 1021 * @exception SWTException <ul> | |
| 1022 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1023 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1024 * </ul> | |
| 1025 * | |
| 1026 * @see SWT | |
| 1027 */ | |
| 1028 public bool isListening (int eventType) { | |
| 1029 checkWidget (); | |
| 1030 return hooks (eventType); | |
| 1031 } | |
| 1032 | |
| 1033 bool isValidThread () { | |
| 1034 return getDisplay ().isValidThread (); | |
| 1035 } | |
| 1036 | |
| 1037 bool isValidSubclass() { | |
| 1038 return true;//Display.isValidClass(getClass()); | |
| 1039 } | |
| 1040 | |
| 1041 void hookEvents () { | |
| 1042 } | |
| 1043 | |
| 1044 /* | |
| 1045 * Returns <code>true</code> if the specified eventType is | |
| 1046 * hooked, and <code>false</code> otherwise. Implementations | |
| 1047 * of SWT can avoid creating objects and sending events | |
| 1048 * when an event happens in the operating system but | |
| 1049 * there are no listeners hooked for the event. | |
| 1050 * | |
| 1051 * @param eventType the event to be checked | |
| 1052 * | |
| 1053 * @return <code>true</code> when the eventType is hooked and <code>false</code> otherwise | |
| 1054 * | |
| 1055 * @see #isListening | |
| 1056 */ | |
| 1057 bool hooks (int eventType) { | |
| 1058 if (eventTable is null) return false; | |
| 1059 return eventTable.hooks (eventType); | |
| 1060 } | |
| 1061 | |
| 1062 int /*long*/ hoverProc (GtkWidget* widget) { | |
| 1063 return 0; | |
| 1064 } | |
| 1065 | |
| 1066 void menuPositionProc (GtkMenu* menu, int* x, int* y, int* push_in, void* user_data) { | |
| 1067 } | |
| 1068 | |
| 1069 bool mnemonicHit (GtkWidget* mnemonicHandle, wchar key) { | |
| 1070 if (!mnemonicMatch (mnemonicHandle, key)) return false; | |
| 1071 OS.g_signal_handlers_block_matched ( cast(void*)mnemonicHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udMNEMONIC_ACTIVATE); | |
| 1072 bool result = cast(bool)OS.gtk_widget_mnemonic_activate (cast(GtkWidget*)mnemonicHandle, false); | |
| 1073 OS.g_signal_handlers_unblock_matched (cast(void*)mnemonicHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udMNEMONIC_ACTIVATE); | |
| 1074 return result; | |
| 1075 } | |
| 1076 | |
| 1077 bool mnemonicMatch (GtkWidget* mnemonicHandle, wchar key) { | |
| 1078 int keyval1 = OS.gdk_keyval_to_lower (OS.gdk_unicode_to_keyval (key)); | |
| 1079 int keyval2 = OS.gdk_keyval_to_lower (OS.gtk_label_get_mnemonic_keyval (cast(GtkLabel*)mnemonicHandle)); | |
| 1080 return keyval1 is keyval2; | |
| 1081 } | |
| 1082 | |
| 1083 void modifyStyle (GtkWidget* handle, GtkRcStyle* style) { | |
| 1084 OS.gtk_widget_modify_style (handle, style); | |
| 1085 } | |
| 1086 | |
| 1087 /** | |
| 1088 * Notifies all of the receiver's listeners for events | |
| 1089 * of the given type that one such event has occurred by | |
| 1090 * invoking their <code>handleEvent()</code> method. The | |
| 1091 * event type is one of the event constants defined in class | |
| 1092 * <code>SWT</code>. | |
| 1093 * | |
| 1094 * @param eventType the type of event which has occurred | |
| 1095 * @param event the event data | |
| 1096 * | |
| 1097 * @exception SWTException <ul> | |
| 1098 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1099 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1100 * </ul> | |
| 1101 * | |
| 1102 * @see SWT | |
| 1103 * @see #addListener | |
| 1104 * @see #getListeners(int) | |
| 1105 * @see #removeListener(int, Listener) | |
| 1106 */ | |
| 1107 public void notifyListeners (int eventType, Event event) { | |
| 1108 checkWidget(); | |
| 1109 if (event is null) event = new Event (); | |
| 1110 sendEvent (eventType, event); | |
| 1111 } | |
| 1112 | |
| 1113 void postEvent (int eventType) { | |
| 1114 sendEvent (eventType, null, false); | |
| 1115 } | |
| 1116 | |
| 1117 void postEvent (int eventType, Event event) { | |
| 1118 sendEvent (eventType, event, false); | |
| 1119 } | |
| 1120 | |
| 1121 void register () { | |
| 1122 if (handle is null) return; | |
| 1123 if ((state & HANDLE) !is 0) display.addWidget (handle, this); | |
| 1124 } | |
| 1125 | |
| 1126 void release (bool destroy) { | |
| 1127 if ((state & DISPOSE_SENT) is 0) { | |
| 1128 state |= DISPOSE_SENT; | |
| 1129 sendEvent (SWT.Dispose); | |
| 1130 } | |
| 1131 if ((state & DISPOSED) is 0) { | |
| 1132 releaseChildren (destroy); | |
| 1133 } | |
| 1134 if ((state & RELEASED) is 0) { | |
| 1135 state |= RELEASED; | |
| 1136 if (destroy) { | |
| 1137 releaseParent (); | |
| 1138 releaseWidget (); | |
| 1139 destroyWidget (); | |
| 1140 } else { | |
| 1141 releaseWidget (); | |
| 1142 releaseHandle (); | |
| 1143 } | |
| 1144 } | |
| 1145 } | |
| 1146 | |
| 1147 void releaseChildren (bool destroy) { | |
| 1148 } | |
| 1149 | |
| 1150 void releaseHandle () { | |
| 1151 handle = null; | |
| 1152 state |= DISPOSED; | |
| 1153 display = null; | |
| 1154 } | |
| 1155 | |
| 1156 void releaseParent () { | |
| 1157 /* Do nothing */ | |
| 1158 } | |
| 1159 | |
| 1160 void releaseWidget () { | |
| 1161 deregister (); | |
| 1162 eventTable = null; | |
| 1163 data = null; | |
| 1164 } | |
| 1165 | |
| 1166 /** | |
| 1167 * Removes the listener from the collection of listeners who will | |
| 1168 * be notified when an event of the given type occurs. The event | |
| 1169 * type is one of the event constants defined in class <code>SWT</code>. | |
| 1170 * | |
| 1171 * @param eventType the type of event to listen for | |
| 1172 * @param listener the listener which should no longer be notified | |
| 1173 * | |
| 1174 * @exception IllegalArgumentException <ul> | |
| 1175 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1176 * </ul> | |
| 1177 * @exception SWTException <ul> | |
| 1178 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1179 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1180 * </ul> | |
| 1181 * | |
| 1182 * @see Listener | |
| 1183 * @see SWT | |
| 1184 * @see #addListener | |
| 1185 * @see #getListeners(int) | |
| 1186 * @see #notifyListeners | |
| 1187 */ | |
| 1188 public void removeListener (int eventType, Listener handler) { | |
| 1189 checkWidget (); | |
| 1190 if (handler is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1191 if (eventTable is null) return; | |
| 1192 eventTable.unhook (eventType, handler); | |
| 1193 } | |
| 1194 | |
| 1195 /** | |
| 1196 * Removes the listener from the collection of listeners who will | |
| 1197 * be notified when an event of the given type occurs. | |
| 1198 * <p> | |
| 1199 * <b>IMPORTANT:</b> This method is <em>not</em> part of the SWT | |
| 1200 * public API. It is marked public only so that it can be shared | |
| 1201 * within the packages provided by SWT. It should never be | |
| 1202 * referenced from application code. | |
| 1203 * </p> | |
| 1204 * | |
| 1205 * @param eventType the type of event to listen for | |
| 1206 * @param listener the listener which should no longer be notified | |
| 1207 * | |
| 1208 * @exception IllegalArgumentException <ul> | |
| 1209 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1210 * </ul> | |
| 1211 * @exception SWTException <ul> | |
| 1212 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1213 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1214 * </ul> | |
| 1215 * | |
| 1216 * @see Listener | |
| 1217 * @see #addListener | |
| 1218 */ | |
| 1219 protected void removeListener (int eventType, SWTEventListener handler) { | |
| 1220 checkWidget (); | |
| 1221 if (handler is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1222 if (eventTable is null) return; | |
| 1223 eventTable.unhook (eventType, handler); | |
| 1224 } | |
| 1225 | |
| 1226 void rendererGetSizeProc ( | |
| 1227 GtkCellRenderer *cell, | |
| 1228 GtkWidget *widget, | |
| 1229 GdkRectangle *cell_area, | |
| 1230 int *x_offset, | |
| 1231 int *y_offset, | |
| 1232 int *width, | |
| 1233 int *height) | |
| 1234 { | |
| 1235 } | |
| 1236 | |
| 1237 void rendererRenderProc ( | |
| 1238 GtkCellRenderer * cell, | |
| 1239 GdkDrawable * window, | |
| 1240 GtkWidget * widget, | |
| 1241 GdkRectangle *background_area, | |
| 1242 GdkRectangle *cell_area, | |
| 1243 GdkRectangle *expose_area, | |
| 1244 int flags) | |
| 1245 { | |
| 1246 } | |
| 1247 | |
| 1248 /** | |
| 1249 * Removes the listener from the collection of listeners who will | |
| 1250 * be notified when the widget is disposed. | |
| 1251 * | |
| 1252 * @param listener the listener which should no longer be notified | |
| 1253 * | |
| 1254 * @exception IllegalArgumentException <ul> | |
| 1255 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1256 * </ul> | |
| 1257 * @exception SWTException <ul> | |
| 1258 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1259 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1260 * </ul> | |
| 1261 * | |
| 1262 * @see DisposeListener | |
| 1263 * @see #addDisposeListener | |
| 1264 */ | |
| 1265 public void removeDisposeListener (DisposeListener listener) { | |
| 1266 checkWidget (); | |
| 1267 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1268 if (eventTable is null) return; | |
| 1269 eventTable.unhook (SWT.Dispose, listener); | |
| 1270 } | |
| 1271 | |
| 1272 | |
| 1273 void sendEvent (Event event) { | |
| 1274 Display display = event.display; | |
| 1275 if (!display.filterEvent (event)) { | |
| 1276 if (eventTable !is null) eventTable.sendEvent (event); | |
| 1277 } | |
| 1278 } | |
| 1279 | |
| 1280 void sendEvent (int eventType) { | |
| 1281 sendEvent (eventType, null, true); | |
| 1282 } | |
| 1283 | |
| 1284 void sendEvent (int eventType, Event event) { | |
| 1285 sendEvent (eventType, event, true); | |
| 1286 } | |
| 1287 | |
| 1288 void sendEvent (int eventType, Event event, bool send) { | |
| 1289 if (eventTable is null && !display.filters (eventType)) { | |
| 1290 return; | |
| 1291 } | |
| 1292 if (event is null) event = new Event (); | |
| 1293 event.type = eventType; | |
| 1294 event.display = display; | |
| 1295 event.widget = this; | |
| 1296 if (event.time is 0) { | |
| 1297 event.time = display.getLastEventTime (); | |
| 1298 } | |
| 1299 if (send) { | |
| 1300 sendEvent (event); | |
| 1301 } else { | |
| 1302 display.postEvent (event); | |
| 1303 } | |
| 1304 } | |
| 1305 | |
| 1306 bool sendKeyEvent (int type, GdkEventKey* keyEvent) { | |
| 1307 int len = keyEvent.length; | |
| 1308 if (keyEvent.string is null || OS.g_utf8_strlen (keyEvent.string, len) <= 1) { | |
| 1309 Event event = new Event (); | |
| 1310 event.time = keyEvent.time; | |
| 1311 if (!setKeyState (event, keyEvent)) return true; | |
| 1312 sendEvent (type, event); | |
| 1313 // widget could be disposed at this point | |
| 1314 | |
| 1315 /* | |
| 1316 * It is possible (but unlikely), that application | |
| 1317 * code could have disposed the widget in the key | |
| 1318 * events. If this happens, end the processing of | |
| 1319 * the key by returning false. | |
| 1320 */ | |
| 1321 if (isDisposed ()) return false; | |
| 1322 return event.doit; | |
| 1323 } | |
| 1324 char [] chars = fromStringz( keyEvent.string ); | |
| 1325 return sendIMKeyEvent (type, keyEvent, chars) !is null; | |
| 1326 } | |
| 1327 | |
| 1328 char [] sendIMKeyEvent (int type, GdkEventKey* keyEvent, char [] chars) { | |
| 1329 int index = 0, count = 0, state = 0; | |
| 1330 GdkEvent* ptr = null; | |
| 1331 if (keyEvent is null) { | |
| 1332 ptr = OS.gtk_get_current_event (); | |
| 1333 if (ptr !is null) { | |
| 1334 keyEvent = cast(GdkEventKey*)ptr; | |
| 1335 switch (cast(int)keyEvent.type) { | |
| 1336 case OS.GDK_KEY_PRESS: | |
| 1337 case OS.GDK_KEY_RELEASE: | |
| 1338 state = keyEvent.state; | |
| 1339 break; | |
| 1340 default: | |
| 1341 keyEvent = null; | |
| 1342 break; | |
| 1343 } | |
| 1344 } | |
| 1345 } | |
| 1346 if (keyEvent is null) { | |
| 1347 int buffer; | |
| 1348 OS.gtk_get_current_event_state (&buffer); | |
| 1349 state = buffer; | |
| 1350 } | |
| 1351 while (index < chars.length) { | |
| 1352 Event event = new Event (); | |
| 1353 //PORTING take care of utf8 | |
| 1354 if (keyEvent !is null && chars.codepointCount() <= 1) { | |
| 1355 setKeyState (event, keyEvent); | |
| 1356 } else { | |
| 1357 setInputState (event, state); | |
| 1358 } | |
| 1359 //PORTING take care of utf8 | |
| 1360 int incr; | |
| 1361 event.character = firstCodePoint( chars [index..$], incr ); | |
| 1362 sendEvent (type, event); | |
| 1363 | |
| 1364 /* | |
| 1365 * It is possible (but unlikely), that application | |
| 1366 * code could have disposed the widget in the key | |
| 1367 * events. If this happens, end the processing of | |
| 1368 * the key by returning null. | |
| 1369 */ | |
| 1370 if (isDisposed ()) { | |
| 1371 if (ptr !is null) OS.gdk_event_free (ptr); | |
| 1372 return null; | |
| 1373 } | |
| 1374 | |
| 1375 //PORTING take care of utf8 | |
| 1376 if (event.doit) { | |
| 1377 for( int i = 0; i < incr; i++ ){ | |
| 1378 chars [count+i] = chars [index+i]; | |
| 1379 } | |
| 1380 count+=incr; | |
| 1381 } | |
| 1382 index+=incr; | |
| 1383 } | |
| 1384 if (ptr !is null) OS.gdk_event_free (ptr); | |
| 1385 if (count is 0) return null; | |
| 1386 if (index !is count) { | |
| 1387 char [] result = new char [count]; | |
| 1388 System.arraycopy (chars, 0, result, 0, count); | |
| 1389 return result; | |
| 1390 } | |
| 1391 return chars; | |
| 1392 } | |
| 1393 | |
| 1394 /** | |
| 1395 * Sets the application defined widget data associated | |
| 1396 * with the receiver to be the argument. The <em>widget | |
| 1397 * data</em> is a single, unnamed field that is stored | |
| 1398 * with every widget. | |
| 1399 * <p> | |
| 1400 * Applications may put arbitrary objects in this field. If | |
| 1401 * the object stored in the widget data needs to be notified | |
| 1402 * when the widget is disposed of, it is the application's | |
| 1403 * responsibility to hook the Dispose event on the widget and | |
| 1404 * do so. | |
| 1405 * </p> | |
| 1406 * | |
| 1407 * @param data the widget data | |
| 1408 * | |
| 1409 * @exception SWTException <ul> | |
| 1410 * <li>ERROR_WIDGET_DISPOSED - when the receiver has been disposed</li> | |
| 1411 * <li>ERROR_THREAD_INVALID_ACCESS - when called from the wrong thread</li> | |
| 1412 * </ul> | |
| 1413 * | |
| 1414 * @see #getData() | |
| 1415 */ | |
| 1416 public void setData (Object data) { | |
| 1417 checkWidget(); | |
| 1418 if ((state & KEYED_DATA) !is 0) { | |
| 1419 (cast(ArrayWrapperObject) this.data).array[0] = data; | |
| 1420 } else { | |
| 1421 this.data = data; | |
| 1422 } | |
| 1423 } | |
| 1424 public void setDataStr (String data) { | |
| 1425 setData( stringcast(data)); | |
| 1426 } | |
| 1427 | |
| 1428 /** | |
| 1429 * Sets the application defined property of the receiver | |
| 1430 * with the specified name to the given value. | |
| 1431 * <p> | |
| 1432 * Applications may associate arbitrary objects with the | |
| 1433 * receiver in this fashion. If the objects stored in the | |
| 1434 * properties need to be notified when the widget is disposed | |
| 1435 * of, it is the application's responsibility to hook the | |
| 1436 * Dispose event on the widget and do so. | |
| 1437 * </p> | |
| 1438 * | |
| 1439 * @param key the name of the property | |
| 1440 * @param value the new value for the property | |
| 1441 * | |
| 1442 * @exception SWTException <ul> | |
| 1443 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1444 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1445 * </ul> | |
| 1446 * | |
| 1447 * @see #getData(String) | |
| 1448 */ | |
| 1449 public void setData (String key, Object value) { | |
| 1450 checkWidget(); | |
| 1451 // SWT extension: allow null for zero length string | |
| 1452 //if (key is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1453 int index = 1; | |
| 1454 Object [] table = null; | |
| 1455 if ((state & KEYED_DATA) !is 0) { | |
| 1456 table = (cast(ArrayWrapperObject) data).array; | |
| 1457 while (index < table.length) { | |
| 51 | 1458 String tablekey = stringcast(table[index]); |
| 25 | 1459 if (key.equals (tablekey) ) break; |
| 1460 index += 2; | |
| 1461 } | |
| 1462 } | |
| 1463 if (value !is null) { | |
| 1464 if ((state & KEYED_DATA) !is 0) { | |
| 1465 if (index is table.length) { | |
| 1466 Object [] newTable = new Object [table.length + 2]; | |
| 1467 System.arraycopy (table, 0, newTable, 0, table.length); | |
| 1468 table = newTable; | |
| 1469 data = new ArrayWrapperObject( table ); | |
| 1470 } | |
| 1471 } else { | |
| 1472 table = new Object [3]; | |
| 1473 table [0] = data; | |
| 1474 data = new ArrayWrapperObject( table ); | |
| 1475 state |= KEYED_DATA; | |
| 1476 } | |
| 1477 table [index] = new ArrayWrapperString( key ); | |
| 1478 table [index + 1] = value; | |
| 1479 } else { | |
| 1480 if ((state & KEYED_DATA) !is 0) { | |
| 1481 if (index !is table.length) { | |
| 1482 int len = table.length - 2; | |
| 1483 if (len is 1) { | |
| 1484 data = table [0]; | |
| 1485 state &= ~KEYED_DATA; | |
| 1486 } else { | |
| 1487 Object [] newTable = new Object [len]; | |
| 1488 System.arraycopy (table, 0, newTable, 0, index); | |
| 1489 System.arraycopy (table, index + 2, newTable, index, len - index); | |
| 1490 data = new ArrayWrapperObject( newTable ); | |
| 1491 } | |
| 1492 } | |
| 1493 } | |
| 1494 } | |
| 1495 } | |
| 1496 public void setDataStr (String key, String value) { | |
| 1497 setData(key, stringcast(value)); | |
| 1498 } | |
| 1499 | |
| 1500 void setForegroundColor (GtkWidget* handle, GdkColor* color) { | |
| 1501 auto style = OS.gtk_widget_get_modifier_style (handle); | |
| 1502 OS.gtk_rc_style_set_fg (style, OS.GTK_STATE_NORMAL, color); | |
| 1503 OS.gtk_rc_style_set_fg (style, OS.GTK_STATE_ACTIVE, color); | |
| 1504 OS.gtk_rc_style_set_fg (style, OS.GTK_STATE_PRELIGHT, color); | |
| 1505 int flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_NORMAL); | |
| 1506 flags = (color is null) ? flags & ~OS.GTK_RC_FG: flags | OS.GTK_RC_FG; | |
| 1507 OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_NORMAL, flags); | |
| 1508 flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_ACTIVE); | |
| 1509 flags = (color is null) ? flags & ~OS.GTK_RC_FG: flags | OS.GTK_RC_FG; | |
| 1510 OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_ACTIVE, flags); | |
| 1511 flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_PRELIGHT); | |
| 1512 flags = (color is null) ? flags & ~OS.GTK_RC_FG: flags | OS.GTK_RC_FG; | |
| 1513 OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_PRELIGHT, flags); | |
| 1514 | |
| 1515 OS.gtk_rc_style_set_text (style, OS.GTK_STATE_NORMAL, color); | |
| 1516 OS.gtk_rc_style_set_text (style, OS.GTK_STATE_ACTIVE, color); | |
| 1517 OS.gtk_rc_style_set_text (style, OS.GTK_STATE_PRELIGHT, color); | |
| 1518 flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_NORMAL); | |
| 1519 flags = (color is null) ? flags & ~OS.GTK_RC_TEXT: flags | OS.GTK_RC_TEXT; | |
| 1520 OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_NORMAL, flags); | |
| 1521 flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_PRELIGHT); | |
| 1522 flags = (color is null) ? flags & ~OS.GTK_RC_TEXT: flags | OS.GTK_RC_TEXT; | |
| 1523 OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_PRELIGHT, flags); | |
| 1524 flags = OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_ACTIVE); | |
| 1525 flags = (color is null) ? flags & ~OS.GTK_RC_TEXT: flags | OS.GTK_RC_TEXT; | |
| 1526 OS.gtk_rc_style_set_color_flags (style, OS.GTK_STATE_ACTIVE, flags); | |
| 1527 modifyStyle (handle, style); | |
| 1528 } | |
| 1529 | |
| 1530 bool setInputState (Event event, int state) { | |
| 1531 if ((state & OS.GDK_MOD1_MASK) !is 0) event.stateMask |= SWT.ALT; | |
| 1532 if ((state & OS.GDK_SHIFT_MASK) !is 0) event.stateMask |= SWT.SHIFT; | |
| 1533 if ((state & OS.GDK_CONTROL_MASK) !is 0) event.stateMask |= SWT.CONTROL; | |
| 1534 if ((state & OS.GDK_BUTTON1_MASK) !is 0) event.stateMask |= SWT.BUTTON1; | |
| 1535 if ((state & OS.GDK_BUTTON2_MASK) !is 0) event.stateMask |= SWT.BUTTON2; | |
| 1536 if ((state & OS.GDK_BUTTON3_MASK) !is 0) event.stateMask |= SWT.BUTTON3; | |
| 1537 return true; | |
| 1538 } | |
| 1539 | |
| 1540 bool setKeyState (Event event, GdkEventKey* keyEvent) { | |
| 1541 if (keyEvent.string !is null && OS.g_utf8_strlen (keyEvent.string, keyEvent.length) > 1) return false; | |
| 1542 bool isNull = false; | |
| 1543 event.keyCode = Display.translateKey (keyEvent.keyval); | |
| 1544 switch (keyEvent.keyval) { | |
| 1545 case OS.GDK_BackSpace: event.character = SWT.BS; break; | |
| 1546 case OS.GDK_Linefeed: event.character = SWT.LF; break; | |
| 1547 case OS.GDK_KP_Enter: | |
| 1548 case OS.GDK_Return: event.character = SWT.CR; break; | |
| 1549 case OS.GDK_KP_Delete: | |
| 1550 case OS.GDK_Delete: event.character = SWT.DEL; break; | |
| 1551 case OS.GDK_Escape: event.character = SWT.ESC; break; | |
| 1552 case OS.GDK_Tab: | |
| 1553 case OS.GDK_ISO_Left_Tab: event.character = SWT.TAB; break; | |
| 1554 default: { | |
| 1555 if (event.keyCode is 0) { | |
| 1556 uint keyval; | |
| 1557 int effective_group, level; | |
| 1558 int consumed_modifiers; | |
| 1559 if (OS.gdk_keymap_translate_keyboard_state(OS.gdk_keymap_get_default (), keyEvent.hardware_keycode, 0, keyEvent.group, &keyval, &effective_group, &level, &consumed_modifiers)) { | |
| 1560 event.keyCode = OS.gdk_keyval_to_unicode (keyval ); | |
| 1561 } | |
| 1562 } | |
| 1563 int key = keyEvent.keyval; | |
| 1564 if ((keyEvent.state & OS.GDK_CONTROL_MASK) !is 0 && (0 <= key && key <= 0x7F)) { | |
| 1565 if ('a' <= key && key <= 'z') key -= 'a' - 'A'; | |
| 1566 if (64 <= key && key <= 95) key -= 64; | |
| 1567 event.character = cast(char) key; | |
| 1568 isNull = keyEvent.keyval is '@' && key is 0; | |
| 1569 } else { | |
| 1570 event.character = cast(char) OS.gdk_keyval_to_unicode (key); | |
| 1571 } | |
| 1572 } | |
| 1573 } | |
| 1574 if (event.keyCode is 0 && event.character is 0) { | |
| 1575 if (!isNull) return false; | |
| 1576 } | |
| 1577 return setInputState (event, keyEvent.state); | |
| 1578 } | |
| 1579 | |
| 1580 void setOrientation () { | |
| 1581 } | |
| 1582 | |
| 1583 int /*long*/ shellMapProc (GtkWidget* handle, int /*long*/ arg0, int /*long*/ user_data) { | |
| 1584 return 0; | |
| 1585 } | |
| 1586 | |
| 1587 int /*long*/ sizeAllocateProc (GtkWidget* handle, int /*long*/ arg0, int /*long*/ user_data) { | |
| 1588 return 0; | |
| 1589 } | |
| 1590 | |
| 1591 int /*long*/ sizeRequestProc (GtkWidget* handle, int /*long*/ arg0, int /*long*/ user_data) { | |
| 1592 return 0; | |
| 1593 } | |
| 1594 | |
| 1595 /** | |
| 1596 * Returns a string containing a concise, human-readable | |
| 1597 * description of the receiver. | |
| 1598 * | |
| 1599 * @return a string representation of the receiver | |
| 1600 */ | |
| 1601 public override String toString () { | |
| 1602 String str = "*Disposed*"; | |
| 1603 if (!isDisposed ()) { | |
| 1604 str = "*Wrong Thread*"; | |
| 1605 if (isValidThread ()) str = getNameText (); | |
| 1606 } | |
| 1607 return getName () ~ " {" ~ str ~ "}"; | |
| 1608 } | |
| 1609 | |
| 1610 GtkWidget* topHandle () { | |
| 1611 return handle; | |
| 1612 } | |
| 1613 | |
| 1614 int /*long*/ timerProc (GtkWidget* widget) { | |
| 1615 return 0; | |
| 1616 } | |
| 1617 | |
| 1618 void treeSelectionProc ( | |
| 1619 GtkTreeModel *model, | |
| 1620 GtkTreePath *path, | |
| 1621 GtkTreeIter *iter, | |
| 1622 int[] selection, | |
| 1623 int length) | |
| 1624 { | |
| 1625 } | |
| 1626 | |
| 1627 bool translateTraversal (int event) { | |
| 1628 return false; | |
| 1629 } | |
| 1630 | |
| 1631 int /*long*/ windowProc (GtkWidget* handle, int /*long*/ user_data) { | |
| 1632 void trace( String str ){ | |
| 1633 version(LOG) getDwtLogger().error( __FILE__, __LINE__, "Widget windowProc {}", str ).flush; | |
| 1634 } | |
| 1635 | |
| 1636 switch (cast(int)/*64*/user_data) { | |
| 1637 case ACTIVATE: | |
| 1638 trace( "ACTIVATE" ); | |
| 1639 return gtk_activate (handle); | |
| 1640 case CHANGED: | |
| 1641 trace( "CHANGED" ); | |
| 1642 return gtk_changed (handle); | |
| 1643 case CLICKED: | |
| 1644 trace( "CLICKED" ); | |
| 1645 return gtk_clicked (handle); | |
| 1646 case DAY_SELECTED: | |
| 1647 trace( "DAY_SELECTED" ); | |
| 1648 return gtk_day_selected (handle); | |
| 1649 case HIDE: | |
| 1650 trace( "HIDE" ); | |
| 1651 return gtk_hide (handle); | |
| 1652 case GRAB_FOCUS: | |
| 1653 trace( "GRAB_FOCUS" ); | |
| 1654 return gtk_grab_focus (handle); | |
| 1655 case MAP: | |
| 1656 trace( "MAP" ); | |
| 1657 return gtk_map (handle); | |
| 1658 case MONTH_CHANGED: | |
| 1659 trace( "MONTH_CHANGED" ); | |
| 1660 return gtk_month_changed (handle); | |
| 1661 case OUTPUT: | |
| 1662 trace( "OUTPUT" ); | |
| 1663 return gtk_output (handle); | |
| 1664 case POPUP_MENU: | |
| 1665 trace( "POPUP_MENU" ); | |
| 1666 return gtk_popup_menu (handle); | |
| 1667 case PREEDIT_CHANGED: | |
| 1668 trace( "PREEDIT_CHANGED" ); | |
| 1669 return gtk_preedit_changed (cast(GtkIMContext*)handle); | |
| 1670 case REALIZE: | |
| 1671 trace( "REALIZE" ); | |
| 1672 return gtk_realize (handle); | |
| 1673 case SELECT: | |
| 1674 trace( "SELECT" ); | |
| 1675 return gtk_select (cast(int)handle); | |
| 1676 case SHOW: | |
| 1677 trace( "SHOW" ); | |
| 1678 return gtk_show (handle); | |
| 1679 case VALUE_CHANGED: | |
| 1680 trace( "VALUE_CHANGED" ); | |
| 1681 return gtk_value_changed (cast(int)handle); | |
| 1682 case UNMAP: | |
| 1683 trace( "UNMAP" ); | |
| 1684 return gtk_unmap (handle); | |
| 1685 case UNREALIZE: | |
| 1686 trace( "UNREALIZE" ); | |
| 1687 return gtk_unrealize (handle); | |
| 1688 default: | |
| 1689 trace( "default" ); | |
| 1690 return 0; | |
| 1691 } | |
| 1692 } | |
| 1693 | |
| 1694 int /*long*/ windowProc (GtkWidget* handle, int /*long*/ arg0, int /*long*/ user_data) { | |
| 1695 void trace( String str ){ | |
| 1696 version(LOG) getDwtLogger().error( __FILE__, __LINE__, "Widget windowProc1 {}", str ).flush; | |
| 1697 } | |
| 1698 | |
| 1699 switch (cast(int)/*64*/user_data) { | |
| 1700 case EXPOSE_EVENT_INVERSE: { | |
| 1701 trace( "EXPOSE_EVENT_INVERSE" ); | |
| 1702 GdkEventExpose* gdkEvent = cast(GdkEventExpose*) arg0; | |
| 1703 auto paintWindow = paintWindow(); | |
| 1704 auto window = gdkEvent.window; | |
| 1705 if (window !is paintWindow) return 0; | |
| 1706 return (state & OBSCURED) !is 0 ? 1 : 0; | |
| 1707 } | |
| 1708 case BUTTON_PRESS_EVENT_INVERSE: | |
| 1709 case BUTTON_RELEASE_EVENT_INVERSE: | |
| 1710 case MOTION_NOTIFY_EVENT_INVERSE: { | |
| 1711 trace( "BUTTON_PRESS_EVENT_INVERSE BUTTON_RELEASE_EVENT_INVERSE MOTION_NOTIFY_EVENT_INVERSE" ); | |
| 1712 return 1; | |
| 1713 } | |
| 1714 case BUTTON_PRESS_EVENT: | |
| 1715 trace( "BUTTON_PRESS_EVENT" ); | |
| 1716 return gtk_button_press_event (handle, cast(GdkEventButton*)arg0); | |
| 1717 case BUTTON_RELEASE_EVENT: | |
| 1718 trace( "BUTTON_RELEASE_EVENT" ); | |
| 1719 return gtk_button_release_event (handle, cast(GdkEventButton*)arg0); | |
| 1720 case COMMIT: | |
| 1721 trace( "COMMIT" ); | |
| 1722 return gtk_commit (cast(GtkIMContext*)handle, cast(char*)arg0); | |
| 1723 case CONFIGURE_EVENT: | |
| 1724 trace( "CONFIGURE_EVENT" ); | |
| 1725 return gtk_configure_event (handle, arg0); | |
| 1726 case DELETE_EVENT: | |
| 1727 trace( "DELETE_EVENT" ); | |
| 1728 return gtk_delete_event (handle, arg0); | |
| 1729 case ENTER_NOTIFY_EVENT: | |
| 1730 trace( "ENTER_NOTIFY_EVENT" ); | |
| 1731 return gtk_enter_notify_event (handle, cast(GdkEventCrossing*)arg0); | |
| 1732 case EVENT: | |
| 1733 trace( "EVENT" ); | |
| 1734 return gtk_event (handle, cast(GdkEvent*)arg0); | |
| 1735 case POPULATE_POPUP: | |
| 1736 trace( "POPULATE_POPUP" ); | |
| 1737 return gtk_populate_popup (handle, cast(GtkWidget*)arg0); | |
| 1738 case EVENT_AFTER: | |
| 1739 trace( "EVENT_AFTER" ); | |
| 1740 return gtk_event_after (handle, cast(GdkEvent*)arg0); | |
| 1741 case EXPOSE_EVENT: | |
| 1742 trace( "EXPOSE_EVENT" ); | |
| 1743 return gtk_expose_event (handle, cast(GdkEventExpose*)arg0); | |
| 1744 case FOCUS: | |
| 1745 trace( "FOCUS" ); | |
| 1746 return gtk_focus (handle, arg0); | |
| 1747 case FOCUS_IN_EVENT: | |
| 1748 trace( "FOCUS_IN_EVENT" ); | |
| 1749 return gtk_focus_in_event (handle, cast(GdkEventFocus*)arg0); | |
| 1750 case FOCUS_OUT_EVENT: | |
| 1751 trace( "FOCUS_OUT_EVENT" ); | |
| 1752 return gtk_focus_out_event (handle, cast(GdkEventFocus*)arg0); | |
| 1753 case KEY_PRESS_EVENT: | |
| 1754 trace( "KEY_PRESS_EVENT" ); | |
| 1755 return gtk_key_press_event (handle, cast(GdkEventKey*)arg0); | |
| 1756 case KEY_RELEASE_EVENT: | |
| 1757 trace( "KEY_RELEASE_EVENT" ); | |
| 1758 return gtk_key_release_event (handle, cast(GdkEventKey*)arg0); | |
| 1759 case INPUT: | |
| 1760 trace( "INPUT" ); | |
| 1761 return gtk_input (handle, arg0); | |
| 1762 case LEAVE_NOTIFY_EVENT: | |
| 1763 trace( "LEAVE_NOTIFY_EVENT" ); | |
| 1764 return gtk_leave_notify_event (handle, cast(GdkEventCrossing*)arg0); | |
| 1765 case MAP_EVENT: | |
| 1766 trace( "MAP_EVENT" ); | |
| 1767 return gtk_map_event (handle, arg0); | |
| 1768 case MNEMONIC_ACTIVATE: | |
| 1769 trace( "MNEMONIC_ACTIVATE" ); | |
| 1770 return gtk_mnemonic_activate (handle, arg0); | |
| 1771 case MOTION_NOTIFY_EVENT: | |
| 1772 trace( "MOTION_NOTIFY_EVENT" ); | |
| 1773 return gtk_motion_notify_event (handle, cast(GdkEventMotion*)arg0); | |
| 1774 case MOVE_FOCUS: | |
| 1775 trace( "MOVE_FOCUS" ); | |
| 1776 return gtk_move_focus (handle, arg0); | |
| 1777 case SCROLL_EVENT: | |
| 1778 trace( "SCROLL_EVENT" ); | |
| 1779 return gtk_scroll_event (handle, cast(GdkEventScroll*)arg0); | |
| 1780 case SHOW_HELP: | |
| 1781 trace( "SHOW_HELP" ); | |
| 1782 return gtk_show_help (handle, arg0); | |
| 1783 case SIZE_ALLOCATE: | |
| 1784 trace( "SIZE_ALLOCATE" ); | |
| 1785 return gtk_size_allocate (handle, arg0); | |
| 1786 case STYLE_SET: | |
| 1787 trace( "STYLE_SET" ); | |
| 1788 return gtk_style_set (handle, arg0); | |
| 1789 case TOGGLED: | |
| 1790 trace( "TOGGLED" ); | |
| 1791 return gtk_toggled (cast(int)handle, cast(char*)arg0); | |
| 1792 case UNMAP_EVENT: | |
| 1793 trace( "UNMAP_EVENT" ); | |
| 1794 return gtk_unmap_event (handle, arg0); | |
| 1795 case VISIBILITY_NOTIFY_EVENT: | |
| 1796 trace( "VISIBILITY_NOTIFY_EVENT" ); | |
| 1797 return gtk_visibility_notify_event (handle, cast(GdkEventVisibility*)arg0); | |
| 1798 case WINDOW_STATE_EVENT: | |
| 1799 trace( "WINDOW_STATE_EVENT" ); | |
| 1800 return gtk_window_state_event (handle, cast(GdkEventWindowState*)arg0); | |
| 1801 default: | |
| 1802 trace( "default" ); | |
| 1803 return 0; | |
| 1804 } | |
| 1805 } | |
| 1806 | |
| 1807 int /*long*/ windowProc (GtkWidget* handle, int /*long*/ arg0, int /*long*/ arg1, int /*long*/ user_data) { | |
| 1808 void trace( String str ){ | |
| 1809 version(LOG) getDwtLogger().error( __FILE__, __LINE__, "Widget windowProc2 {}", str ).flush; | |
| 1810 } | |
| 1811 | |
| 1812 switch (cast(int)/*64*/user_data) { | |
| 1813 case DELETE_RANGE: | |
| 1814 trace( "DELETE_RANGE" ); | |
| 1815 return gtk_delete_range (handle, arg0, arg1); | |
| 1816 case DELETE_TEXT: | |
| 1817 trace( "DELETE_TEXT" ); | |
| 1818 return gtk_delete_text (handle, arg0, arg1); | |
| 1819 case ROW_ACTIVATED: | |
| 1820 trace( "ROW_ACTIVATED" ); | |
| 1821 gtk_row_activated (cast(GtkTreeView*)handle, cast(GtkTreePath*)arg0, cast(GtkTreeViewColumn*)arg1); | |
| 1822 return 0; | |
| 1823 case SCROLL_CHILD: | |
| 1824 trace( "SCROLL_CHILD" ); | |
| 1825 return gtk_scroll_child (handle, arg0, arg1); | |
| 1826 case SWITCH_PAGE: | |
| 1827 trace( "SWITCH_PAGE" ); | |
| 1828 return gtk_switch_page (handle, arg0, arg1); | |
| 1829 case TEST_COLLAPSE_ROW: | |
| 1830 trace( "TEST_COLLAPSE_ROW" ); | |
| 1831 return gtk_test_collapse_row (cast(GtkTreeView*)handle, cast(GtkTreeIter*)arg0, cast(GtkTreePath*)arg1); | |
| 1832 case TEST_EXPAND_ROW: | |
| 1833 trace( "TEST_EXPAND_ROW" ); | |
| 1834 return gtk_test_expand_row(cast(GtkTreeView*)handle, cast(GtkTreeIter*)arg0, cast(GtkTreePath*)arg1); | |
| 1835 default: | |
| 1836 trace( "default" ); | |
| 1837 return 0; | |
| 1838 } | |
| 1839 } | |
| 1840 | |
| 1841 int /*long*/ windowProc (GtkWidget* handle, int /*long*/ arg0, int /*long*/ arg1, int /*long*/ arg2, int /*long*/ user_data) { | |
| 1842 void trace( String str ){ | |
| 1843 version(LOG) getDwtLogger().error( __FILE__, __LINE__, "Widget windowProc3 {}", str ).flush; | |
| 1844 } | |
| 1845 | |
| 1846 switch (cast(int)/*64*/user_data) { | |
| 1847 case CHANGE_VALUE: | |
| 1848 trace( "CHANGE_VALUE" ); | |
| 1849 return gtk_change_value (handle, arg0, arg1, arg2); | |
| 1850 case EXPAND_COLLAPSE_CURSOR_ROW: | |
| 1851 trace( "EXPAND_COLLAPSE_CURSOR_ROW" ); | |
| 1852 return gtk_expand_collapse_cursor_row (handle, arg0, arg1, arg2); | |
| 1853 case INSERT_TEXT: | |
| 1854 trace( "INSERT_TEXT" ); | |
| 1855 return gtk_insert_text (cast(GtkEditable*)handle, cast(char*)arg0, arg1, arg2); | |
| 1856 case TEXT_BUFFER_INSERT_TEXT: | |
| 1857 trace( "TEXT_BUFFER_INSERT_TEXT" ); | |
| 1858 return gtk_text_buffer_insert_text (cast(GtkTextBuffer*)handle, cast(GtkTextIter*)arg0, cast(char*)arg1, arg2); | |
| 1859 default: | |
| 1860 trace( "default" ); | |
| 1861 return 0; | |
| 1862 } | |
| 1863 } | |
| 1864 | |
| 1865 } |