Mercurial > projects > dwt-linux
annotate dwt/widgets/TreeColumn.d @ 248:34409a2fc053
Fix call OS.gtk_label_set_text_with_mnemonic with valid ptr, even for zero length strings.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Thu, 22 May 2008 19:00:47 +0200 |
| parents | ce446666f5a2 |
| children | 5a30aa9820f3 |
| rev | line source |
|---|---|
|
115
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parents:
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1 /******************************************************************************* |
| 90 | 2 * Copyright (c) 2000, 2007 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 | |
| 108 | 10 * Port to the D programming language: |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 90 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.TreeColumn; | |
| 14 | |
| 238 | 15 import dwt.dwthelper.utils; |
| 16 | |
| 90 | 17 |
| 18 | |
| 19 import dwt.DWT; | |
| 20 import dwt.DWTException; | |
| 21 import dwt.events.ControlListener; | |
| 22 import dwt.events.SelectionEvent; | |
| 23 import dwt.events.SelectionListener; | |
| 24 import dwt.graphics.Image; | |
| 25 import dwt.internal.gtk.OS; | |
| 26 import dwt.widgets.Item; | |
| 27 import dwt.widgets.Tree; | |
| 28 import dwt.widgets.Shell; | |
| 29 import dwt.widgets.ImageList; | |
| 30 import dwt.widgets.TypedListener; | |
| 31 | |
| 32 import Math = tango.math.Math; | |
| 33 static import tango.stdc.stringz; | |
| 34 | |
| 35 /** | |
| 36 * Instances of this class represent a column in a tree widget. | |
| 37 * <p><dl> | |
| 38 * <dt><b>Styles:</b></dt> | |
| 39 * <dd>LEFT, RIGHT, CENTER</dd> | |
| 40 * <dt><b>Events:</b></dt> | |
| 41 * <dd> Move, Resize, Selection</dd> | |
| 42 * </dl> | |
| 43 * </p><p> | |
| 44 * Note: Only one of the styles LEFT, RIGHT and CENTER may be specified. | |
| 45 * </p><p> | |
| 46 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
| 47 * </p> | |
| 48 * | |
| 49 * @since 3.1 | |
| 50 */ | |
| 51 public class TreeColumn : Item { | |
| 52 GtkWidget* labelHandle, imageHandle, buttonHandle; | |
| 53 Tree parent; | |
| 54 int modelIndex, lastButton, lastTime, lastX, lastWidth; | |
| 55 bool customDraw, useFixedWidth; | |
| 238 | 56 String toolTipText; |
| 90 | 57 |
| 58 /** | |
| 59 * Constructs a new instance of this class given its parent | |
| 60 * (which must be a <code>Tree</code>) and a style value | |
| 61 * describing its behavior and appearance. The item is added | |
| 62 * to the end of the items maintained by its parent. | |
| 63 * <p> | |
| 64 * The style value is either one of the style constants defined in | |
| 65 * class <code>DWT</code> which is applicable to instances of this | |
| 66 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 67 * (that is, using the <code>int</code> "|" operator) two or more | |
| 68 * of those <code>DWT</code> style constants. The class description | |
| 69 * lists the style constants that are applicable to the class. | |
| 70 * Style bits are also inherited from superclasses. | |
| 71 * </p> | |
| 72 * | |
| 73 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 74 * @param style the style of control to construct | |
| 75 * | |
| 76 * @exception IllegalArgumentException <ul> | |
| 77 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 78 * </ul> | |
| 79 * @exception DWTException <ul> | |
| 80 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 81 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 82 * </ul> | |
| 83 * | |
| 84 * @see DWT#LEFT | |
| 85 * @see DWT#RIGHT | |
| 86 * @see DWT#CENTER | |
| 87 * @see Widget#checkSubclass | |
| 88 * @see Widget#getStyle | |
| 89 */ | |
| 90 public this (Tree parent, int style) { | |
| 91 super (parent, checkStyle (style)); | |
| 92 this.parent = parent; | |
| 93 createWidget (parent.getColumnCount ()); | |
| 94 } | |
| 95 | |
| 96 /** | |
| 97 * Constructs a new instance of this class given its parent | |
| 98 * (which must be a <code>Tree</code>), a style value | |
| 99 * describing its behavior and appearance, and the index | |
| 100 * at which to place it in the items maintained by its parent. | |
| 101 * <p> | |
| 102 * The style value is either one of the style constants defined in | |
| 103 * class <code>DWT</code> which is applicable to instances of this | |
| 104 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 105 * (that is, using the <code>int</code> "|" operator) two or more | |
| 106 * of those <code>DWT</code> style constants. The class description | |
| 107 * lists the style constants that are applicable to the class. | |
| 108 * Style bits are also inherited from superclasses. | |
| 109 * </p> | |
| 110 * | |
| 111 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 112 * @param style the style of control to construct | |
| 113 * @param index the zero-relative index to store the receiver in its parent | |
| 114 * | |
| 115 * @exception IllegalArgumentException <ul> | |
| 116 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 117 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> | |
| 118 * </ul> | |
| 119 * @exception DWTException <ul> | |
| 120 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 121 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 122 * </ul> | |
| 123 * | |
| 124 * @see DWT#LEFT | |
| 125 * @see DWT#RIGHT | |
| 126 * @see DWT#CENTER | |
| 127 * @see Widget#checkSubclass | |
| 128 * @see Widget#getStyle | |
| 129 */ | |
| 130 public this (Tree parent, int style, int index) { | |
| 131 super (parent, checkStyle (style)); | |
| 132 this.parent = parent; | |
| 133 createWidget (index); | |
| 134 } | |
| 135 | |
| 136 /** | |
| 137 * Adds the listener to the collection of listeners who will | |
| 138 * be notified when the control is moved or resized, by sending | |
| 139 * it one of the messages defined in the <code>ControlListener</code> | |
| 140 * interface. | |
| 141 * | |
| 142 * @param listener the listener which should be notified | |
| 143 * | |
| 144 * @exception IllegalArgumentException <ul> | |
| 145 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 146 * </ul> | |
| 147 * @exception DWTException <ul> | |
| 148 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 149 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 150 * </ul> | |
| 151 * | |
| 152 * @see ControlListener | |
| 153 * @see #removeControlListener | |
| 154 */ | |
| 155 public void addControlListener(ControlListener listener) { | |
| 156 checkWidget(); | |
| 157 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 158 TypedListener typedListener = new TypedListener (listener); | |
| 159 addListener (DWT.Resize,typedListener); | |
| 160 addListener (DWT.Move,typedListener); | |
| 161 } | |
| 162 | |
| 163 /** | |
| 164 * Adds the listener to the collection of listeners who will | |
| 165 * be notified when the control is selected by the user, by sending | |
| 166 * it one of the messages defined in the <code>SelectionListener</code> | |
| 167 * interface. | |
| 168 * <p> | |
| 169 * <code>widgetSelected</code> is called when the column header is selected. | |
| 170 * <code>widgetDefaultSelected</code> is not called. | |
| 171 * </p> | |
| 172 * | |
| 173 * @param listener the listener which should be notified when the control is selected by the user | |
| 174 * | |
| 175 * @exception IllegalArgumentException <ul> | |
| 176 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 177 * </ul> | |
| 178 * @exception DWTException <ul> | |
| 179 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 180 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 181 * </ul> | |
| 182 * | |
| 183 * @see SelectionListener | |
| 184 * @see #removeSelectionListener | |
| 185 * @see SelectionEvent | |
| 186 */ | |
| 187 public void addSelectionListener (SelectionListener listener) { | |
| 188 checkWidget(); | |
| 189 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 190 TypedListener typedListener = new TypedListener (listener); | |
| 191 addListener (DWT.Selection,typedListener); | |
| 192 addListener (DWT.DefaultSelection,typedListener); | |
| 193 } | |
| 194 | |
| 195 static int checkStyle (int style) { | |
| 196 return checkBits (style, DWT.LEFT, DWT.CENTER, DWT.RIGHT, 0, 0, 0); | |
| 197 } | |
| 198 | |
| 199 protected void checkSubclass () { | |
| 200 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); | |
| 201 } | |
| 202 | |
| 203 void createWidget (int index) { | |
| 204 parent.createItem (this, index); | |
| 240 | 205 setOrientation (); |
| 90 | 206 hookEvents (); |
| 207 register (); | |
| 208 text = ""; | |
| 209 } | |
| 210 | |
| 211 void deregister() { | |
| 212 super.deregister (); | |
| 213 display.removeWidget (handle); | |
| 214 if (buttonHandle !is null) display.removeWidget (buttonHandle); | |
| 215 if (labelHandle !is null) display.removeWidget (labelHandle); | |
| 216 } | |
| 217 | |
| 218 void destroyWidget () { | |
| 219 parent.destroyItem (this); | |
| 220 releaseHandle (); | |
| 221 } | |
| 222 | |
| 223 /** | |
| 224 * Returns a value which describes the position of the | |
| 225 * text or image in the receiver. The value will be one of | |
| 226 * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>. | |
| 227 * | |
| 228 * @return the alignment | |
| 229 * | |
| 230 * @exception DWTException <ul> | |
| 231 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 232 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 233 * </ul> | |
| 234 */ | |
| 235 public int getAlignment () { | |
| 236 checkWidget(); | |
| 237 if ((style & DWT.LEFT) !is 0) return DWT.LEFT; | |
| 238 if ((style & DWT.CENTER) !is 0) return DWT.CENTER; | |
| 239 if ((style & DWT.RIGHT) !is 0) return DWT.RIGHT; | |
| 240 return DWT.LEFT; | |
| 241 } | |
| 242 | |
| 243 /** | |
| 244 * Gets the moveable attribute. A column that is | |
| 245 * not moveable cannot be reordered by the user | |
| 246 * by dragging the header but may be reordered | |
| 247 * by the programmer. | |
| 248 * | |
| 249 * @return the moveable attribute | |
| 250 * | |
| 251 * @exception DWTException <ul> | |
| 252 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 253 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 254 * </ul> | |
| 255 * | |
| 256 * @see Tree#getColumnOrder() | |
| 257 * @see Tree#setColumnOrder(int[]) | |
| 258 * @see TreeColumn#setMoveable(bool) | |
| 259 * @see DWT#Move | |
| 260 * | |
| 261 * @since 3.2 | |
| 262 */ | |
| 263 public bool getMoveable() { | |
| 264 checkWidget(); | |
| 265 return cast(bool)OS.gtk_tree_view_column_get_reorderable (handle); | |
| 266 } | |
| 267 | |
| 268 /** | |
| 269 * Returns the receiver's parent, which must be a <code>Tree</code>. | |
| 270 * | |
| 271 * @return the receiver's parent | |
| 272 * | |
| 273 * @exception DWTException <ul> | |
| 274 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 275 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 276 * </ul> | |
| 277 */ | |
| 278 public Tree getParent () { | |
| 279 checkWidget(); | |
| 280 return parent; | |
| 281 } | |
| 282 | |
| 283 /** | |
| 284 * Gets the resizable attribute. A column that is | |
| 285 * not resizable cannot be dragged by the user but | |
| 286 * may be resized by the programmer. | |
| 287 * | |
| 288 * @return the resizable attribute | |
| 289 * | |
| 290 * @exception DWTException <ul> | |
| 291 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 292 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 293 * </ul> | |
| 294 */ | |
| 295 public bool getResizable () { | |
| 296 checkWidget(); | |
| 297 return cast(bool)OS.gtk_tree_view_column_get_resizable (handle); | |
| 298 } | |
| 299 | |
| 300 /** | |
| 301 * Returns the receiver's tool tip text, or null if it has | |
| 302 * not been set. | |
| 303 * | |
| 304 * @return the receiver's tool tip text | |
| 305 * | |
| 306 * @exception DWTException <ul> | |
| 307 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 308 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 309 * </ul> | |
| 310 * | |
| 311 * @since 3.2 | |
| 312 */ | |
| 238 | 313 public String getToolTipText () { |
| 90 | 314 checkWidget(); |
| 315 return toolTipText; | |
| 316 } | |
| 317 | |
| 318 /** | |
| 319 * Gets the width of the receiver. | |
| 320 * | |
| 321 * @return the width | |
| 322 * | |
| 323 * @exception DWTException <ul> | |
| 324 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 325 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 326 * </ul> | |
| 327 */ | |
| 328 public int getWidth () { | |
| 329 checkWidget(); | |
| 330 if (!OS.gtk_tree_view_column_get_visible (handle)) { | |
| 331 return 0; | |
| 332 } | |
| 333 if (useFixedWidth) return OS.gtk_tree_view_column_get_fixed_width (handle); | |
| 334 return OS.gtk_tree_view_column_get_width (handle); | |
| 335 } | |
| 336 | |
| 337 override int gtk_clicked (GtkWidget* widget) { | |
| 338 /* | |
| 339 * There is no API to get a double click on a table column. Normally, when | |
| 340 * the mouse is double clicked, this is indicated by GDK_2BUTTON_PRESS | |
| 341 * but the table column sends the click signal on button release. The fix is to | |
| 342 * test for double click by remembering the last click time and mouse button | |
| 343 * and testing for the double click interval. | |
| 344 */ | |
| 345 bool doubleClick = false; | |
| 346 bool postEvent_ = true; | |
| 347 auto eventPtr = OS.gtk_get_current_event (); | |
| 348 if (eventPtr !is null) { | |
| 349 GdkEventButton* gdkEvent = cast(GdkEventButton*)eventPtr; | |
| 350 scope(exit) OS.gdk_event_free (eventPtr); | |
| 351 switch (gdkEvent.type) { | |
| 352 case OS.GDK_BUTTON_RELEASE: { | |
| 353 int clickTime = display.getDoubleClickTime (); | |
| 354 int eventTime = gdkEvent.time, eventButton = gdkEvent.button; | |
| 355 if (lastButton is eventButton && lastTime !is 0 && Math.abs (lastTime - eventTime) <= clickTime) { | |
| 356 doubleClick = true; | |
| 357 } | |
| 358 lastTime = eventTime is 0 ? 1: eventTime; | |
| 359 lastButton = eventButton; | |
| 360 break; | |
| 361 } | |
| 362 case OS.GDK_MOTION_NOTIFY: { | |
| 363 /* | |
| 364 * Bug in GTK. Dragging a column in a GtkTreeView causes a clicked | |
| 365 * signal to be emitted even though the mouse button was never released. | |
| 366 * The fix to ignore the signal if the current GDK event is a motion notify. | |
| 367 * The GTK bug was fixed in version 2.6 | |
| 368 */ | |
| 369 if (OS.GTK_VERSION < OS.buildVERSION (2, 6, 0)) postEvent_ = false; | |
| 370 break; | |
| 371 } | |
|
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372 default: |
| 90 | 373 } |
| 374 } | |
| 375 if (postEvent_) postEvent (doubleClick ? DWT.DefaultSelection : DWT.Selection); | |
| 376 return 0; | |
| 377 } | |
| 378 | |
| 379 override int gtk_mnemonic_activate (GtkWidget* widget, int /*long*/ arg1) { | |
| 380 return parent.gtk_mnemonic_activate (widget, arg1); | |
| 381 } | |
| 382 | |
| 383 override int gtk_size_allocate (GtkWidget* widget, int allocation) { | |
| 384 useFixedWidth = false; | |
| 385 int x = OS.GTK_WIDGET_X (widget); | |
| 386 int width = OS.GTK_WIDGET_WIDTH (widget); | |
| 387 if (x !is lastX) { | |
| 388 lastX = x; | |
| 389 sendEvent (DWT.Move); | |
| 390 } | |
| 391 if (width !is lastWidth) { | |
| 392 lastWidth = width; | |
| 393 sendEvent (DWT.Resize); | |
| 394 } | |
| 395 return 0; | |
| 396 } | |
| 397 | |
| 398 void hookEvents () { | |
| 399 super.hookEvents (); | |
| 400 OS.g_signal_connect_closure (handle, OS.clicked.ptr, display.closures [CLICKED], false); | |
| 401 if (buttonHandle !is null) OS.g_signal_connect_closure_by_id (buttonHandle, display.signalIds [SIZE_ALLOCATE], 0, display.closures [SIZE_ALLOCATE], false); | |
| 402 if (labelHandle !is null) OS.g_signal_connect_closure_by_id (labelHandle, display.signalIds [MNEMONIC_ACTIVATE], 0, display.closures [MNEMONIC_ACTIVATE], false); | |
| 403 } | |
| 404 | |
| 405 /** | |
| 406 * Causes the receiver to be resized to its preferred size. | |
| 407 * For a composite, this involves computing the preferred size | |
| 408 * from its layout, if there is one. | |
| 409 * | |
| 410 * @exception DWTException <ul> | |
| 411 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 412 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 413 * </ul> | |
| 414 * | |
| 415 */ | |
| 416 public void pack () { | |
| 417 checkWidget(); | |
| 418 int width = 0; | |
| 419 if (buttonHandle !is null) { | |
| 420 GtkRequisition requisition; | |
| 421 OS.gtk_widget_size_request (buttonHandle, &requisition); | |
| 422 width = requisition.width; | |
| 423 } | |
| 424 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 425 //NOT DONE | |
| 426 } else { | |
| 427 GtkTreeIter iter; | |
| 428 if (OS.gtk_tree_model_get_iter_first (parent.modelHandle, &iter)) { | |
| 429 do { | |
| 240 | 430 width = Math.max (width, parent.calculateWidth (cast(GtkTreeViewColumn*)handle, &iter, true)); |
| 90 | 431 } while (OS.gtk_tree_model_iter_next(parent.modelHandle, &iter)); |
| 432 } | |
| 433 } | |
| 434 setWidth(width); | |
| 435 } | |
| 436 | |
| 437 void register () { | |
| 438 super.register (); | |
| 439 display.addWidget (handle, this); | |
| 440 if (buttonHandle !is null) display.addWidget (buttonHandle, this); | |
| 441 if (labelHandle !is null) display.addWidget (labelHandle, this); | |
| 442 } | |
| 443 | |
| 444 void releaseHandle () { | |
| 445 super.releaseHandle (); | |
| 446 handle = buttonHandle = labelHandle = imageHandle = null; | |
| 447 modelIndex = -1; | |
| 448 parent = null; | |
| 449 } | |
| 450 | |
| 451 void releaseParent () { | |
| 452 super.releaseParent (); | |
| 453 if (parent.sortColumn is this) { | |
| 454 parent.sortColumn = null; | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 /** | |
| 459 * Removes the listener from the collection of listeners who will | |
| 460 * be notified when the control is moved or resized. | |
| 461 * | |
| 462 * @param listener the listener which should no longer be notified | |
| 463 * | |
| 464 * @exception IllegalArgumentException <ul> | |
| 465 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 466 * </ul> | |
| 467 * @exception DWTException <ul> | |
| 468 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 469 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 470 * </ul> | |
| 471 * | |
| 472 * @see ControlListener | |
| 473 * @see #addControlListener | |
| 474 */ | |
| 475 public void removeControlListener (ControlListener listener) { | |
| 476 checkWidget(); | |
| 477 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 478 if (eventTable is null) return; | |
| 479 eventTable.unhook (DWT.Move, listener); | |
| 480 eventTable.unhook (DWT.Resize, listener); | |
| 481 } | |
| 482 | |
| 483 /** | |
| 484 * Removes the listener from the collection of listeners who will | |
| 485 * be notified when the control is selected by the user. | |
| 486 * | |
| 487 * @param listener the listener which should no longer be notified | |
| 488 * | |
| 489 * @exception IllegalArgumentException <ul> | |
| 490 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 491 * </ul> | |
| 492 * @exception DWTException <ul> | |
| 493 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 494 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 495 * </ul> | |
| 496 * | |
| 497 * @see SelectionListener | |
| 498 * @see #addSelectionListener | |
| 499 */ | |
| 500 public void removeSelectionListener(SelectionListener listener) { | |
| 501 checkWidget(); | |
| 502 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 503 if (eventTable is null) return; | |
| 504 eventTable.unhook (DWT.Selection, listener); | |
| 505 eventTable.unhook (DWT.DefaultSelection,listener); | |
| 506 } | |
| 507 | |
| 508 /** | |
| 509 * Controls how text and images will be displayed in the receiver. | |
| 510 * The argument should be one of <code>LEFT</code>, <code>RIGHT</code> | |
| 511 * or <code>CENTER</code>. | |
| 512 * | |
| 513 * @param alignment the new alignment | |
| 514 * | |
| 515 * @exception DWTException <ul> | |
| 516 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 517 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 518 * </ul> | |
| 519 */ | |
| 520 public void setAlignment (int alignment) { | |
| 521 checkWidget(); | |
| 522 if ((alignment & (DWT.LEFT | DWT.RIGHT | DWT.CENTER)) is 0) return; | |
| 523 int index = parent.indexOf (this); | |
| 524 if (index is -1 || index is 0) return; | |
| 525 style &= ~(DWT.LEFT | DWT.RIGHT | DWT.CENTER); | |
| 526 style |= alignment & (DWT.LEFT | DWT.RIGHT | DWT.CENTER); | |
| 527 parent.createRenderers (cast(GtkTreeViewColumn*)handle, modelIndex, index is 0, style); | |
| 528 } | |
| 529 | |
| 530 void setFontDescription (PangoFontDescription* font) { | |
| 531 OS.gtk_widget_modify_font (labelHandle, font); | |
| 532 OS.gtk_widget_modify_font (imageHandle, font); | |
| 533 } | |
| 534 | |
|
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changeset
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535 public override void setImage (Image image) { |
| 90 | 536 checkWidget (); |
| 537 super.setImage (image); | |
| 538 if (image !is null) { | |
| 539 ImageList headerImageList = parent.headerImageList; | |
| 540 if (headerImageList is null) { | |
| 541 headerImageList = parent.headerImageList = new ImageList (); | |
| 542 } | |
| 543 int imageIndex = headerImageList.indexOf (image); | |
| 544 if (imageIndex is -1) imageIndex = headerImageList.add (image); | |
| 545 auto pixbuf = headerImageList.getPixbuf (imageIndex); | |
| 546 OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); | |
| 547 OS.gtk_widget_show (imageHandle); | |
| 548 } else { | |
| 549 OS.gtk_image_set_from_pixbuf (imageHandle, null); | |
| 550 OS.gtk_widget_hide (imageHandle); | |
| 551 } | |
| 552 } | |
| 553 | |
| 554 /** | |
| 555 * Sets the moveable attribute. A column that is | |
| 556 * moveable can be reordered by the user by dragging | |
| 557 * the header. A column that is not moveable cannot be | |
| 558 * dragged by the user but may be reordered | |
| 559 * by the programmer. | |
| 560 * | |
| 561 * @param moveable the moveable attribute | |
| 562 * | |
| 563 * @exception DWTException <ul> | |
| 564 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 565 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 566 * </ul> | |
| 567 * | |
| 568 * @see Tree#setColumnOrder(int[]) | |
| 569 * @see Tree#getColumnOrder() | |
| 570 * @see TreeColumn#getMoveable() | |
| 571 * @see DWT#Move | |
| 572 * | |
| 573 * @since 3.2 | |
| 574 */ | |
| 575 public void setMoveable (bool moveable) { | |
| 576 checkWidget(); | |
| 577 OS.gtk_tree_view_column_set_reorderable (handle, moveable); | |
| 578 } | |
| 579 | |
| 240 | 580 void setOrientation() { |
| 581 if ((parent.style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 582 if (buttonHandle !is null) { | |
| 583 OS.gtk_widget_set_direction (buttonHandle, OS.GTK_TEXT_DIR_RTL); | |
| 584 display.doSetDirectionProc(buttonHandle, OS.GTK_TEXT_DIR_RTL); | |
| 585 } | |
| 586 } | |
| 587 } | |
| 588 | |
| 90 | 589 /** |
| 590 * Sets the resizable attribute. A column that is | |
| 591 * not resizable cannot be dragged by the user but | |
| 592 * may be resized by the programmer. | |
| 593 * | |
| 594 * @param resizable the resize attribute | |
| 595 * | |
| 596 * @exception DWTException <ul> | |
| 597 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 598 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 599 * </ul> | |
| 600 */ | |
| 601 public void setResizable (bool resizable) { | |
| 602 checkWidget(); | |
| 603 OS.gtk_tree_view_column_set_resizable (handle, resizable); | |
| 604 } | |
| 605 | |
| 238 | 606 public override void setText (String string) { |
| 90 | 607 checkWidget(); |
| 608 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 609 super.setText (string); | |
| 610 char [] chars = fixMnemonic (string); | |
|
248
34409a2fc053
Fix call OS.gtk_label_set_text_with_mnemonic with valid ptr, even for zero length strings.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
611 OS.gtk_label_set_text_with_mnemonic (labelHandle, chars.toStringzValidPtr()); |
| 90 | 612 if (string.length !is 0) { |
| 613 OS.gtk_widget_show (labelHandle); | |
| 614 } else { | |
| 615 OS.gtk_widget_hide (labelHandle); | |
| 616 } | |
| 617 } | |
| 618 | |
| 619 /** | |
| 620 * Sets the receiver's tool tip text to the argument, which | |
| 621 * may be null indicating that no tool tip text should be shown. | |
| 622 * | |
| 623 * @param string the new tool tip text (or null) | |
| 624 * | |
| 625 * @exception DWTException <ul> | |
| 626 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 627 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 628 * </ul> | |
| 629 * | |
| 630 * @since 3.2 | |
| 631 */ | |
| 238 | 632 public void setToolTipText (String string) { |
| 90 | 633 checkWidget(); |
| 634 Shell shell = parent._getShell (); | |
| 635 setToolTipText (shell, string); | |
| 636 toolTipText = string; | |
| 637 } | |
| 638 | |
| 238 | 639 void setToolTipText (Shell shell, String newString) { |
| 90 | 640 shell.setToolTipText (buttonHandle, newString); |
| 641 } | |
| 642 | |
| 643 /** | |
| 644 * Sets the width of the receiver. | |
| 645 * | |
| 646 * @param width the new width | |
| 647 * | |
| 648 * @exception DWTException <ul> | |
| 649 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 650 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 651 * </ul> | |
| 652 */ | |
| 653 public void setWidth (int width) { | |
| 654 checkWidget(); | |
| 655 if (width < 0) return; | |
| 656 if (width is lastWidth) return; | |
| 657 if (width > 0) { | |
| 658 useFixedWidth = true; | |
| 659 OS.gtk_tree_view_column_set_fixed_width (handle, width); | |
| 660 } | |
| 661 /* | |
| 662 * Bug in GTK. For some reason, calling gtk_tree_view_column_set_visible() | |
| 663 * when the parent is not realized fails to show the column. The fix is to | |
| 664 * ensure that the table has been realized. | |
| 665 */ | |
| 666 if (width !is 0) OS.gtk_widget_realize (parent.handle); | |
| 667 OS.gtk_tree_view_column_set_visible (handle, width !is 0); | |
| 668 lastWidth = width; | |
| 669 sendEvent (DWT.Resize); | |
| 670 } | |
| 671 | |
| 672 } |