Mercurial > projects > dwt2
annotate org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/TreeItem.d @ 51:c01d033c633a
[swt lin]
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 27 Mar 2009 19:58:06 +0100 |
| parents | 7a2dd761a8b2 |
| children |
| 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.TreeItem; | |
| 14 | |
| 15 import java.lang.all; | |
| 16 | |
| 17 | |
| 18 | |
| 19 import org.eclipse.swt.SWT; | |
| 20 import org.eclipse.swt.SWTException; | |
| 21 import org.eclipse.swt.graphics.Color; | |
| 22 import org.eclipse.swt.graphics.Font; | |
| 23 import org.eclipse.swt.graphics.Image; | |
| 24 import org.eclipse.swt.graphics.Rectangle; | |
| 25 import org.eclipse.swt.internal.gtk.OS; | |
| 26 import org.eclipse.swt.widgets.Item; | |
| 27 import org.eclipse.swt.widgets.Tree; | |
| 28 import org.eclipse.swt.widgets.ImageList; | |
| 29 | |
| 30 | |
| 31 /** | |
| 32 * Instances of this class represent a selectable user interface object | |
| 33 * that represents a hierarchy of tree items in a tree widget. | |
| 34 * | |
| 35 * <dl> | |
| 36 * <dt><b>Styles:</b></dt> | |
| 37 * <dd>(none)</dd> | |
| 38 * <dt><b>Events:</b></dt> | |
| 39 * <dd>(none)</dd> | |
| 40 * </dl> | |
| 41 * <p> | |
| 42 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
| 43 * </p> | |
| 44 * | |
| 45 * @see <a href="http://www.eclipse.org/swt/snippets/#tree">Tree, TreeItem, TreeColumn snippets</a> | |
| 46 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 47 */ | |
| 48 public class TreeItem : Item { | |
| 49 Tree parent; | |
| 50 Font font; | |
| 51 Font[] cellFont; | |
| 52 bool cached, grayed; | |
|
49
7a2dd761a8b2
more work until dmd 2.026 linux segfaults.
Frank Benoit <benoit@tionex.de>
parents:
25
diff
changeset
|
53 static const int EXPANDER_EXTRA_PADDING = 4; |
| 25 | 54 |
| 55 /** | |
| 56 * Constructs a new instance of this class given its parent | |
| 57 * (which must be a <code>Tree</code> or a <code>TreeItem</code>) | |
| 58 * and a style value describing its behavior and appearance. | |
| 59 * The item is added to the end of the items maintained by its parent. | |
| 60 * <p> | |
| 61 * The style value is either one of the style constants defined in | |
| 62 * class <code>SWT</code> which is applicable to instances of this | |
| 63 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 64 * (that is, using the <code>int</code> "|" operator) two or more | |
| 65 * of those <code>SWT</code> style constants. The class description | |
| 66 * lists the style constants that are applicable to the class. | |
| 67 * Style bits are also inherited from superclasses. | |
| 68 * </p> | |
| 69 * | |
| 70 * @param parent a tree control which will be the parent of the new instance (cannot be null) | |
| 71 * @param style the style of control to construct | |
| 72 * | |
| 73 * @exception IllegalArgumentException <ul> | |
| 74 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 75 * </ul> | |
| 76 * @exception SWTException <ul> | |
| 77 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 78 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 79 * </ul> | |
| 80 * | |
| 81 * @see SWT | |
| 82 * @see Widget#checkSubclass | |
| 83 * @see Widget#getStyle | |
| 84 */ | |
| 85 public this (Tree parent, int style) { | |
| 86 this (checkNull (parent), null, style, -1, true); | |
| 87 } | |
| 88 | |
| 89 /** | |
| 90 * Constructs a new instance of this class given its parent | |
| 91 * (which must be a <code>Tree</code> or a <code>TreeItem</code>), | |
| 92 * a style value describing its behavior and appearance, and the index | |
| 93 * at which to place it in the items maintained by its parent. | |
| 94 * <p> | |
| 95 * The style value is either one of the style constants defined in | |
| 96 * class <code>SWT</code> which is applicable to instances of this | |
| 97 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 98 * (that is, using the <code>int</code> "|" operator) two or more | |
| 99 * of those <code>SWT</code> style constants. The class description | |
| 100 * lists the style constants that are applicable to the class. | |
| 101 * Style bits are also inherited from superclasses. | |
| 102 * </p> | |
| 103 * | |
| 104 * @param parent a tree control which will be the parent of the new instance (cannot be null) | |
| 105 * @param style the style of control to construct | |
| 106 * @param index the zero-relative index to store the receiver in its parent | |
| 107 * | |
| 108 * @exception IllegalArgumentException <ul> | |
| 109 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 110 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> | |
| 111 * </ul> | |
| 112 * @exception SWTException <ul> | |
| 113 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 114 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 115 * </ul> | |
| 116 * | |
| 117 * @see SWT | |
| 118 * @see Widget#checkSubclass | |
| 119 * @see Widget#getStyle | |
| 120 */ | |
| 121 public this (Tree parent, int style, int index) { | |
| 122 this (checkNull (parent), null, style, checkIndex (index), true); | |
| 123 } | |
| 124 | |
| 125 /** | |
| 126 * Constructs a new instance of this class given its parent | |
| 127 * (which must be a <code>Tree</code> or a <code>TreeItem</code>) | |
| 128 * and a style value describing its behavior and appearance. | |
| 129 * The item is added to the end of the items maintained by its parent. | |
| 130 * <p> | |
| 131 * The style value is either one of the style constants defined in | |
| 132 * class <code>SWT</code> which is applicable to instances of this | |
| 133 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 134 * (that is, using the <code>int</code> "|" operator) two or more | |
| 135 * of those <code>SWT</code> style constants. The class description | |
| 136 * lists the style constants that are applicable to the class. | |
| 137 * Style bits are also inherited from superclasses. | |
| 138 * </p> | |
| 139 * | |
| 140 * @param parentItem a tree control which will be the parent of the new instance (cannot be null) | |
| 141 * @param style the style of control to construct | |
| 142 * | |
| 143 * @exception IllegalArgumentException <ul> | |
| 144 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 145 * </ul> | |
| 146 * @exception SWTException <ul> | |
| 147 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 148 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 149 * </ul> | |
| 150 * | |
| 151 * @see SWT | |
| 152 * @see Widget#checkSubclass | |
| 153 * @see Widget#getStyle | |
| 154 */ | |
| 155 public this (TreeItem parentItem, int style) { | |
| 156 this (checkNull (parentItem).parent, cast(GtkTreeIter*)parentItem.handle, style, -1, true); | |
| 157 } | |
| 158 | |
| 159 /** | |
| 160 * Constructs a new instance of this class given its parent | |
| 161 * (which must be a <code>Tree</code> or a <code>TreeItem</code>), | |
| 162 * a style value describing its behavior and appearance, and the index | |
| 163 * at which to place it in the items maintained by its parent. | |
| 164 * <p> | |
| 165 * The style value is either one of the style constants defined in | |
| 166 * class <code>SWT</code> which is applicable to instances of this | |
| 167 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 168 * (that is, using the <code>int</code> "|" operator) two or more | |
| 169 * of those <code>SWT</code> style constants. The class description | |
| 170 * lists the style constants that are applicable to the class. | |
| 171 * Style bits are also inherited from superclasses. | |
| 172 * </p> | |
| 173 * | |
| 174 * @param parentItem a tree control which will be the parent of the new instance (cannot be null) | |
| 175 * @param style the style of control to construct | |
| 176 * @param index the zero-relative index to store the receiver in its parent | |
| 177 * | |
| 178 * @exception IllegalArgumentException <ul> | |
| 179 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 180 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> | |
| 181 * </ul> | |
| 182 * @exception SWTException <ul> | |
| 183 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 184 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 185 * </ul> | |
| 186 * | |
| 187 * @see SWT | |
| 188 * @see Widget#checkSubclass | |
| 189 * @see Widget#getStyle | |
| 190 */ | |
| 191 public this (TreeItem parentItem, int style, int index) { | |
| 192 this (checkNull (parentItem).parent, cast(GtkTreeIter*)parentItem.handle, style, checkIndex (index), true); | |
| 193 } | |
| 194 | |
| 195 this (Tree parent, GtkTreeIter* parentIter, int style, int index, bool create) { | |
| 196 super (parent, style); | |
| 197 this.parent = parent; | |
| 198 if (create) { | |
| 199 parent.createItem (this, parentIter, index); | |
| 200 } else { | |
| 201 handle = cast(GtkWidget*)OS.g_malloc (GtkTreeIter.sizeof); | |
| 202 OS.gtk_tree_model_iter_nth_child (parent.modelHandle, handle, parentIter, index); | |
| 203 } | |
| 204 } | |
| 205 | |
| 206 static int checkIndex (int index) { | |
| 207 if (index < 0) SWT.error (SWT.ERROR_INVALID_RANGE); | |
| 208 return index; | |
| 209 } | |
| 210 | |
| 211 static TreeItem checkNull (TreeItem item) { | |
| 212 if (item is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 213 return item; | |
| 214 } | |
| 215 | |
| 216 static Tree checkNull (Tree control) { | |
| 217 if (control is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 218 return control; | |
| 219 } | |
| 220 | |
| 221 protected override void checkSubclass () { | |
| 222 if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); | |
| 223 } | |
| 224 | |
| 225 Color _getBackground () { | |
| 226 void* ptr; | |
| 227 OS.gtk_tree_model_get1 (parent.modelHandle, handle, Tree.BACKGROUND_COLUMN, &ptr); | |
| 228 if (ptr is null) return parent.getBackground (); | |
| 229 GdkColor* gdkColor = new GdkColor (); | |
| 230 *gdkColor = *cast(GdkColor*) ptr; | |
| 231 return Color.gtk_new (display, gdkColor); | |
| 232 } | |
| 233 | |
| 234 Color _getBackground (int index) { | |
| 235 int count = Math.max (1, parent.columnCount); | |
| 236 if (0 > index || index > count - 1) return _getBackground (); | |
| 237 void* ptr; | |
| 238 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 239 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_BACKGROUND, &ptr); | |
| 240 if (ptr is null) return _getBackground (); | |
| 241 GdkColor* gdkColor = new GdkColor (); | |
| 242 *gdkColor = *cast(GdkColor*) ptr; | |
| 243 return Color.gtk_new (display, gdkColor); | |
| 244 } | |
| 245 | |
| 246 bool _getChecked () { | |
| 247 void* ptr; | |
| 248 OS.gtk_tree_model_get1 (parent.modelHandle, handle, Tree.CHECKED_COLUMN, &ptr); | |
| 249 return ptr !is null; | |
| 250 } | |
| 251 | |
| 252 Color _getForeground () { | |
| 253 void* ptr; | |
| 254 OS.gtk_tree_model_get1 (parent.modelHandle, handle, Tree.FOREGROUND_COLUMN, &ptr); | |
| 255 if (ptr is null) return parent.getForeground (); | |
| 256 GdkColor* gdkColor = new GdkColor (); | |
| 257 *gdkColor = *cast(GdkColor*) ptr; | |
| 258 return Color.gtk_new (display, gdkColor); | |
| 259 } | |
| 260 | |
| 261 Color _getForeground (int index) { | |
| 262 int count = Math.max (1, parent.columnCount); | |
| 263 if (0 > index || index > count - 1) return _getForeground (); | |
| 264 void* ptr; | |
| 265 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 266 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_FOREGROUND, &ptr); | |
| 267 if (ptr is null) return _getForeground (); | |
| 268 GdkColor* gdkColor = new GdkColor (); | |
| 269 *gdkColor = *cast(GdkColor*) ptr; | |
| 270 return Color.gtk_new (display, gdkColor); | |
| 271 } | |
| 272 | |
| 273 Image _getImage (int index) { | |
| 274 int count = Math.max (1, parent.getColumnCount ()); | |
| 275 if (0 > index || index > count - 1) return null; | |
| 276 void* ptr; | |
| 277 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 278 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_PIXBUF, &ptr); | |
| 279 if (ptr is null) return null; | |
| 280 ImageList imageList = parent.imageList; | |
| 281 int imageIndex = imageList.indexOf (ptr); | |
| 282 if (imageIndex is -1) return null; | |
| 283 return imageList.get (imageIndex); | |
| 284 } | |
| 285 | |
| 286 String _getText (int index) { | |
| 287 int count = Math.max (1, parent.getColumnCount ()); | |
| 288 if (0 > index || index > count - 1) return ""; | |
| 289 void* ptr; | |
| 290 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 291 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_TEXT, &ptr); | |
| 292 if (ptr is null) return ""; //$NON-NLS-1$ | |
| 51 | 293 String buffer = fromStringz( cast(char*)ptr)._idup(); |
| 25 | 294 OS.g_free (ptr); |
| 295 return buffer; | |
| 296 } | |
| 297 | |
| 298 void clear () { | |
| 299 if (parent.currentItem is this) return; | |
| 300 if (cached || (parent.style & SWT.VIRTUAL) is 0) { | |
| 301 int columnCount = OS.gtk_tree_model_get_n_columns (parent.modelHandle); | |
| 302 for (int i=Tree.CHECKED_COLUMN; i<columnCount; i++) { | |
| 303 OS.gtk_tree_store_set1(parent.modelHandle, cast(GtkTreeIter*)handle, i, null); | |
| 304 } | |
| 305 /* | |
| 306 * Bug in GTK. When using fixed-height-mode, | |
| 307 * row changes do not cause the row to be repainted. The fix is to | |
| 308 * invalidate the row when it is cleared. | |
| 309 */ | |
| 310 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 311 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 312 redraw (); | |
| 313 } | |
| 314 } | |
| 315 } | |
| 316 cached = false; | |
| 317 font = null; | |
| 318 cellFont = null; | |
| 319 } | |
| 320 | |
| 321 /** | |
| 322 * Clears the item at the given zero-relative index in the receiver. | |
| 323 * The text, icon and other attributes of the item are set to the default | |
| 324 * value. If the tree was created with the <code>SWT.VIRTUAL</code> style, | |
| 325 * these attributes are requested again as needed. | |
| 326 * | |
| 327 * @param index the index of the item to clear | |
| 328 * @param all <code>true</code> if all child items of the indexed item should be | |
| 329 * cleared recursively, and <code>false</code> otherwise | |
| 330 * | |
| 331 * @exception IllegalArgumentException <ul> | |
| 332 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> | |
| 333 * </ul> | |
| 334 * @exception SWTException <ul> | |
| 335 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 336 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 337 * </ul> | |
| 338 * | |
| 339 * @see SWT#VIRTUAL | |
| 340 * @see SWT#SetData | |
| 341 * | |
| 342 * @since 3.2 | |
| 343 */ | |
| 344 public void clear (int index, bool all) { | |
| 345 checkWidget (); | |
| 346 parent.clear (cast(GtkTreeIter*)handle, index, all); | |
| 347 } | |
| 348 | |
| 349 /** | |
| 350 * Clears all the items in the receiver. The text, icon and other | |
| 351 * attributes of the items are set to their default values. If the | |
| 352 * tree was created with the <code>SWT.VIRTUAL</code> style, these | |
| 353 * attributes are requested again as needed. | |
| 354 * | |
| 355 * @param all <code>true</code> if all child items should be cleared | |
| 356 * recursively, and <code>false</code> otherwise | |
| 357 * | |
| 358 * @exception SWTException <ul> | |
| 359 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 360 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 361 * </ul> | |
| 362 * | |
| 363 * @see SWT#VIRTUAL | |
| 364 * @see SWT#SetData | |
| 365 * | |
| 366 * @since 3.2 | |
| 367 */ | |
| 368 public void clearAll (bool all) { | |
| 369 checkWidget (); | |
| 370 parent.clearAll (all, cast(GtkTreeIter*)handle); | |
| 371 } | |
| 372 | |
| 373 override void destroyWidget () { | |
| 374 parent.releaseItem (this, false); | |
| 375 parent.destroyItem (this); | |
| 376 releaseHandle (); | |
| 377 } | |
| 378 | |
| 379 /** | |
| 380 * Returns the receiver's background color. | |
| 381 * | |
| 382 * @return the background color | |
| 383 * | |
| 384 * @exception SWTException <ul> | |
| 385 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 386 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 387 * </ul> | |
| 388 * | |
| 389 * @since 2.0 | |
| 390 * | |
| 391 */ | |
| 392 public Color getBackground () { | |
| 393 checkWidget (); | |
| 394 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 395 return _getBackground (); | |
| 396 } | |
| 397 | |
| 398 /** | |
| 399 * Returns the background color at the given column index in the receiver. | |
| 400 * | |
| 401 * @param index the column index | |
| 402 * @return the background color | |
| 403 * | |
| 404 * @exception SWTException <ul> | |
| 405 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 406 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 407 * </ul> | |
| 408 * | |
| 409 * @since 3.1 | |
| 410 */ | |
| 411 public Color getBackground (int index) { | |
| 412 checkWidget (); | |
| 413 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 414 return _getBackground (index); | |
| 415 } | |
| 416 | |
| 417 /** | |
| 418 * Returns a rectangle describing the receiver's size and location | |
| 419 * relative to its parent at a column in the tree. | |
| 420 * | |
| 421 * @param index the index that specifies the column | |
| 422 * @return the receiver's bounding column rectangle | |
| 423 * | |
| 424 * @exception SWTException <ul> | |
| 425 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 426 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 427 * </ul> | |
| 428 * | |
| 429 * @since 3.1 | |
| 430 */ | |
| 431 public Rectangle getBounds (int index) { | |
| 432 // TODO fully test on early and later versions of GTK | |
| 433 checkWidget(); | |
| 434 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 435 auto parentHandle = parent.handle; | |
| 436 GtkTreeViewColumn* column; | |
| 437 if (index >= 0 && index < parent.columnCount) { | |
| 438 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 439 } else { | |
| 440 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 441 } | |
| 442 if (column is null) return new Rectangle (0, 0, 0, 0); | |
| 443 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 444 OS.gtk_widget_realize (parentHandle); | |
| 445 GdkRectangle rect; | |
| 446 OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); | |
| 447 if ((parent.getStyle () & SWT.MIRRORED) !is 0) rect.x = parent.getClientWidth () - rect.width - rect.x; | |
| 448 | |
| 449 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18) && OS.gtk_tree_view_get_expander_column (parentHandle) is column) { | |
| 450 int buffer; | |
| 451 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); | |
| 452 rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 453 rect.width -= buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 454 OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); | |
| 455 rect.x += buffer; | |
| 456 //rect.width -= buffer [0]; // TODO Is this required for some versions? | |
| 457 } | |
| 458 /* | |
| 459 * Bug in GTK. In GTK 2.8.x, the cell area is left aligned even | |
| 460 * when the widget is mirrored. The fix is to sum up the indentation | |
| 461 * of the expanders. | |
| 462 */ | |
| 463 if ((parent.getStyle () & SWT.MIRRORED) !is 0 && (OS.GTK_VERSION < OS.buildVERSION (2, 10, 0))) { | |
| 464 int depth = OS.gtk_tree_path_get_depth (path); | |
| 465 int expanderSize; | |
| 466 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &expanderSize); | |
| 467 rect.x += depth * (expanderSize + TreeItem.EXPANDER_EXTRA_PADDING); | |
| 468 } | |
| 469 OS.gtk_tree_path_free (path); | |
| 470 | |
| 471 if (index is 0 && (parent.style & SWT.CHECK) !is 0) { | |
| 472 if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { | |
| 473 int x, w; | |
| 474 OS.gtk_tree_view_column_cell_get_position (column, parent.checkRenderer, &x, &w); | |
| 475 rect.x += x + w; | |
| 476 rect.width -= x + w; | |
| 477 } else { | |
| 478 int w; | |
| 479 OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, &w, null); | |
| 480 int buffer; | |
| 481 OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); | |
| 482 rect.x += w + buffer; | |
| 483 rect.width -= w + buffer; | |
| 484 } | |
| 485 } | |
| 486 int width = OS.gtk_tree_view_column_get_visible (column) ? rect.width + 1 : 0; | |
| 487 return new Rectangle (rect.x, rect.y, width, rect.height + 1); | |
| 488 } | |
| 489 | |
| 490 /** | |
| 491 * Returns a rectangle describing the receiver's size and location | |
| 492 * relative to its parent. | |
| 493 * | |
| 494 * @return the receiver's bounding rectangle | |
| 495 * | |
| 496 * @exception SWTException <ul> | |
| 497 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 498 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 499 * </ul> | |
| 500 */ | |
| 501 public Rectangle getBounds () { | |
| 502 // TODO fully test on early and later versions of GTK | |
| 503 // shifted a bit too far right on later versions of GTK - however, old Tree also had this problem | |
| 504 checkWidget (); | |
| 505 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 506 auto parentHandle = parent.handle; | |
| 507 auto column = OS.gtk_tree_view_get_column (parentHandle, 0); | |
| 508 if (column is null) return new Rectangle (0, 0, 0, 0); | |
| 509 auto textRenderer = parent.getTextRenderer (column); | |
| 510 auto pixbufRenderer = parent.getPixbufRenderer (column); | |
| 511 if (textRenderer is null || pixbufRenderer is null) return new Rectangle (0, 0, 0, 0); | |
| 512 | |
| 513 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 514 OS.gtk_widget_realize (parentHandle); | |
| 515 | |
| 516 bool isExpander = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle) > 0; | |
| 517 bool isExpanded = cast(bool)OS.gtk_tree_view_row_expanded (parentHandle, path); | |
| 518 OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, isExpander, isExpanded); | |
| 519 | |
| 520 GdkRectangle rect; | |
| 521 OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); | |
| 522 if ((parent.getStyle () & SWT.MIRRORED) !is 0) rect.x = parent.getClientWidth () - rect.width - rect.x; | |
| 523 int right = rect.x + rect.width; | |
| 524 | |
| 525 int x, w; | |
| 526 parent.ignoreSize = true; | |
| 527 OS.gtk_cell_renderer_get_size (textRenderer, parentHandle, null, null, null, &w, null); | |
| 528 parent.ignoreSize = false; | |
| 529 rect.width = w; | |
| 530 int buffer; | |
| 531 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18) && OS.gtk_tree_view_get_expander_column (parentHandle) is column) { | |
| 532 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); | |
| 533 rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 534 } | |
| 535 /* | |
| 536 * Bug in GTK. In GTK 2.8.x, the cell area is left aligned even | |
| 537 * when the widget is mirrored. The fix is to sum up the indentation | |
| 538 * of the expanders. | |
| 539 */ | |
| 540 if ((parent.getStyle () & SWT.MIRRORED) !is 0 && (OS.GTK_VERSION < OS.buildVERSION (2, 10, 0))) { | |
| 541 int depth = OS.gtk_tree_path_get_depth (path); | |
| 542 int expanderSize; | |
| 543 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &expanderSize); | |
| 544 rect.x += depth * (expanderSize + TreeItem.EXPANDER_EXTRA_PADDING); | |
| 545 } | |
| 546 OS.gtk_tree_path_free (path); | |
| 547 | |
| 548 OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); | |
| 549 int horizontalSeparator = buffer; | |
| 550 rect.x += horizontalSeparator; | |
| 551 | |
| 552 if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { | |
| 553 OS.gtk_tree_view_column_cell_get_position (column, textRenderer, &x, null); | |
| 554 rect.x += x; | |
| 555 } else { | |
| 556 if ((parent.style & SWT.CHECK) !is 0) { | |
| 557 OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, &w, null); | |
| 558 rect.x += w + horizontalSeparator; | |
| 559 } | |
| 560 OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, &w, null); | |
| 561 rect.x += w + horizontalSeparator; | |
| 562 } | |
| 563 if (parent.columnCount > 0) { | |
| 564 if (rect.x + rect.width > right) { | |
| 565 rect.width = Math.max (0, right - rect.x); | |
| 566 } | |
| 567 } | |
| 568 int width = OS.gtk_tree_view_column_get_visible (column) ? rect.width + 1 : 0; | |
| 569 return new Rectangle (rect.x, rect.y, width, rect.height + 1); | |
| 570 } | |
| 571 | |
| 572 /** | |
| 573 * Returns <code>true</code> if the receiver is checked, | |
| 574 * and false otherwise. When the parent does not have | |
| 575 * the <code>CHECK style, return false. | |
| 576 * <p> | |
| 577 * | |
| 578 * @return the checked state | |
| 579 * | |
| 580 * @exception SWTException <ul> | |
| 581 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 582 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 583 * </ul> | |
| 584 */ | |
| 585 public bool getChecked () { | |
| 586 checkWidget(); | |
| 587 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 588 if ((parent.style & SWT.CHECK) is 0) return false; | |
| 589 return _getChecked (); | |
| 590 } | |
| 591 | |
| 592 /** | |
| 593 * Returns <code>true</code> if the receiver is expanded, | |
| 594 * and false otherwise. | |
| 595 * <p> | |
| 596 * | |
| 597 * @return the expanded state | |
| 598 * | |
| 599 * @exception SWTException <ul> | |
| 600 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 601 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 602 * </ul> | |
| 603 */ | |
| 604 public bool getExpanded () { | |
| 605 checkWidget(); | |
| 606 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 607 bool answer = cast(bool)OS.gtk_tree_view_row_expanded (parent.handle, path); | |
| 608 OS.gtk_tree_path_free (path); | |
| 609 return answer; | |
| 610 } | |
| 611 | |
| 612 /** | |
| 613 * Returns the font that the receiver will use to paint textual information for this item. | |
| 614 * | |
| 615 * @return the receiver's font | |
| 616 * | |
| 617 * @exception SWTException <ul> | |
| 618 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 619 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 620 * </ul> | |
| 621 * | |
| 622 * @since 3.0 | |
| 623 */ | |
| 624 public Font getFont () { | |
| 625 checkWidget (); | |
| 626 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 627 return font !is null ? font : parent.getFont (); | |
| 628 } | |
| 629 | |
| 630 /** | |
| 631 * Returns the font that the receiver will use to paint textual information | |
| 632 * for the specified cell in this item. | |
| 633 * | |
| 634 * @param index the column index | |
| 635 * @return the receiver's font | |
| 636 * | |
| 637 * @exception SWTException <ul> | |
| 638 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 639 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 640 * </ul> | |
| 641 * | |
| 642 * @since 3.1 | |
| 643 */ | |
| 644 public Font getFont (int index) { | |
| 645 checkWidget (); | |
| 646 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 647 int count = Math.max (1, parent.columnCount); | |
| 648 if (0 > index || index > count - 1) return getFont (); | |
| 649 if (cellFont is null || cellFont [index] is null) return getFont (); | |
| 650 return cellFont [index]; | |
| 651 } | |
| 652 | |
| 653 | |
| 654 /** | |
| 655 * Returns the foreground color that the receiver will use to draw. | |
| 656 * | |
| 657 * @return the receiver's foreground color | |
| 658 * | |
| 659 * @exception SWTException <ul> | |
| 660 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 661 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 662 * </ul> | |
| 663 * | |
| 664 * @since 2.0 | |
| 665 * | |
| 666 */ | |
| 667 public Color getForeground () { | |
| 668 checkWidget (); | |
| 669 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 670 return _getForeground (); | |
| 671 } | |
| 672 | |
| 673 /** | |
| 674 * | |
| 675 * Returns the foreground color at the given column index in the receiver. | |
| 676 * | |
| 677 * @param index the column index | |
| 678 * @return the foreground color | |
| 679 * | |
| 680 * @exception SWTException <ul> | |
| 681 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 682 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 683 * </ul> | |
| 684 * | |
| 685 * @since 3.1 | |
| 686 */ | |
| 687 public Color getForeground (int index) { | |
| 688 checkWidget (); | |
| 689 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 690 return _getForeground (index); | |
| 691 } | |
| 692 | |
| 693 /** | |
| 694 * Returns <code>true</code> if the receiver is grayed, | |
| 695 * and false otherwise. When the parent does not have | |
| 696 * the <code>CHECK style, return false. | |
| 697 * <p> | |
| 698 * | |
| 699 * @return the grayed state of the checkbox | |
| 700 * | |
| 701 * @exception SWTException <ul> | |
| 702 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 703 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 704 * </ul> | |
| 705 */ | |
| 706 public bool getGrayed () { | |
| 707 checkWidget (); | |
| 708 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 709 if ((parent.style & SWT.CHECK) is 0) return false; | |
| 710 return grayed; | |
| 711 } | |
| 712 | |
| 713 public override Image getImage () { | |
| 714 checkWidget (); | |
| 715 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 716 return getImage (0); | |
| 717 } | |
| 718 | |
| 719 /** | |
| 720 * Returns the image stored at the given column index in the receiver, | |
| 721 * or null if the image has not been set or if the column does not exist. | |
| 722 * | |
| 723 * @param index the column index | |
| 724 * @return the image stored at the given column index in the receiver | |
| 725 * | |
| 726 * @exception SWTException <ul> | |
| 727 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 728 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 729 * </ul> | |
| 730 * | |
| 731 * @since 3.1 | |
| 732 */ | |
| 733 public Image getImage (int index) { | |
| 734 checkWidget (); | |
| 735 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 736 return _getImage (index); | |
| 737 } | |
| 738 | |
| 739 /** | |
| 740 * Returns a rectangle describing the size and location | |
| 741 * relative to its parent of an image at a column in the | |
| 742 * tree. | |
| 743 * | |
| 744 * @param index the index that specifies the column | |
| 745 * @return the receiver's bounding image rectangle | |
| 746 * | |
| 747 * @exception SWTException <ul> | |
| 748 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 749 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 750 * </ul> | |
| 751 * | |
| 752 * @since 3.1 | |
| 753 */ | |
| 754 public Rectangle getImageBounds (int index) { | |
| 755 // TODO fully test on early and later versions of GTK | |
| 756 checkWidget (); | |
| 757 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 758 auto parentHandle = parent.handle; | |
| 759 GtkTreeViewColumn* column; | |
| 760 if (index >= 0 && index < parent.getColumnCount ()) { | |
| 761 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 762 } else { | |
| 763 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 764 } | |
| 765 if (column is null) return new Rectangle (0, 0, 0, 0); | |
| 766 auto pixbufRenderer = parent.getPixbufRenderer (column); | |
| 767 if (pixbufRenderer is null) return new Rectangle (0, 0, 0, 0); | |
| 768 GdkRectangle rect; | |
| 769 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 770 OS.gtk_widget_realize (parentHandle); | |
| 771 OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); | |
| 772 if ((parent.getStyle () & SWT.MIRRORED) !is 0) rect.x = parent.getClientWidth () - rect.width - rect.x; | |
| 773 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18) && OS.gtk_tree_view_get_expander_column (parentHandle) is column) { | |
| 774 int buffer; | |
| 775 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); | |
| 776 rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 777 rect.width -= buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 778 //OS.gtk_widget_style_get (parentHandle, OS.horizontal_separator, buffer, 0); | |
| 779 //int horizontalSeparator = buffer[0]; | |
| 780 //rect.x += horizontalSeparator; | |
| 781 } | |
| 782 /* | |
| 783 * Bug in GTK. In GTK 2.8.x, the cell area is left aligned even | |
| 784 * when the widget is mirrored. The fix is to sum up the indentation | |
| 785 * of the expanders. | |
| 786 */ | |
| 787 if ((parent.getStyle () & SWT.MIRRORED) !is 0 && (OS.GTK_VERSION < OS.buildVERSION (2, 10, 0))) { | |
| 788 int depth = OS.gtk_tree_path_get_depth (path); | |
| 789 int expanderSize; | |
| 790 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &expanderSize); | |
| 791 rect.x += depth * (expanderSize + TreeItem.EXPANDER_EXTRA_PADDING); | |
| 792 } | |
| 793 OS.gtk_tree_path_free (path); | |
| 794 | |
| 795 /* | |
| 796 * The OS call gtk_cell_renderer_get_size() provides the width of image to be drawn | |
| 797 * by the cell renderer. If there is no image in the cell, the width is zero. If the table contains | |
| 798 * images of varying widths, gtk_cell_renderer_get_size() will return the width of the image, | |
| 799 * not the width of the area in which the image is drawn. | |
| 800 * New API was added in GTK 2.1.3 for determining the full width of the renderer area. | |
| 801 * For earlier versions of GTK, the result is only correct if all rows have images of the same | |
| 802 * width. | |
| 803 */ | |
| 804 if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { | |
| 805 int x, w; | |
| 806 OS.gtk_tree_view_column_cell_get_position (column, pixbufRenderer, &x, &w); | |
| 807 rect.x += x; | |
| 808 rect.width = w; | |
| 809 } else { | |
| 810 int w; | |
| 811 OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, false, false); | |
| 812 OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, &w, null); | |
| 813 rect.width = w; | |
| 814 } | |
| 815 int width = OS.gtk_tree_view_column_get_visible (column) ? rect.width : 0; | |
| 816 return new Rectangle (rect.x, rect.y, width, rect.height + 1); | |
| 817 } | |
| 818 | |
| 819 /** | |
| 820 * Returns the number of items contained in the receiver | |
| 821 * that are direct item children of the receiver. | |
| 822 * | |
| 823 * @return the number of items | |
| 824 * | |
| 825 * @exception SWTException <ul> | |
| 826 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 827 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 828 * </ul> | |
| 829 */ | |
| 830 public int getItemCount () { | |
| 831 checkWidget(); | |
| 832 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 833 return OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle); | |
| 834 } | |
| 835 | |
| 836 /** | |
| 837 * Returns the item at the given, zero-relative index in the | |
| 838 * receiver. Throws an exception if the index is out of range. | |
| 839 * | |
| 840 * @param index the index of the item to return | |
| 841 * @return the item at the given index | |
| 842 * | |
| 843 * @exception IllegalArgumentException <ul> | |
| 844 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> | |
| 845 * </ul> | |
| 846 * @exception SWTException <ul> | |
| 847 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 848 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 849 * </ul> | |
| 850 * | |
| 851 * @since 3.1 | |
| 852 */ | |
| 853 public TreeItem getItem (int index) { | |
| 854 checkWidget(); | |
| 855 if (index < 0) error (SWT.ERROR_INVALID_RANGE); | |
| 856 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 857 int itemCount = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle); | |
| 858 if (index >= itemCount) error (SWT.ERROR_INVALID_RANGE); | |
| 859 return parent._getItem (cast(GtkTreeIter*)handle, index); | |
| 860 } | |
| 861 | |
| 862 /** | |
| 863 * Returns a (possibly empty) array of <code>TreeItem</code>s which | |
| 864 * are the direct item children of the receiver. | |
| 865 * <p> | |
| 866 * Note: This is not the actual structure used by the receiver | |
| 867 * to maintain its list of items, so modifying the array will | |
| 868 * not affect the receiver. | |
| 869 * </p> | |
| 870 * | |
| 871 * @return the receiver's items | |
| 872 * | |
| 873 * @exception SWTException <ul> | |
| 874 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 875 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 876 * </ul> | |
| 877 */ | |
| 878 public TreeItem [] getItems () { | |
| 879 checkWidget(); | |
| 880 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 881 return parent.getItems (cast(GtkTreeIter*)handle); | |
| 882 } | |
| 883 | |
| 884 override String getNameText () { | |
| 885 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 886 if (!cached) return "*virtual*"; //$NON-NLS-1$ | |
| 887 } | |
| 888 return super.getNameText (); | |
| 889 } | |
| 890 | |
| 891 /** | |
| 892 * Returns the receiver's parent, which must be a <code>Tree</code>. | |
| 893 * | |
| 894 * @return the receiver's parent | |
| 895 * | |
| 896 * @exception SWTException <ul> | |
| 897 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 898 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 899 * </ul> | |
| 900 */ | |
| 901 public Tree getParent () { | |
| 902 checkWidget (); | |
| 903 return parent; | |
| 904 } | |
| 905 | |
| 906 /** | |
| 907 * Returns the receiver's parent item, which must be a | |
| 908 * <code>TreeItem</code> or null when the receiver is a | |
| 909 * root. | |
| 910 * | |
| 911 * @return the receiver's parent item | |
| 912 * | |
| 913 * @exception SWTException <ul> | |
| 914 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 915 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 916 * </ul> | |
| 917 */ | |
| 918 public TreeItem getParentItem () { | |
| 919 checkWidget(); | |
| 920 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 921 TreeItem item = null; | |
| 922 int depth = OS.gtk_tree_path_get_depth (path); | |
| 923 if (depth > 1) { | |
| 924 OS.gtk_tree_path_up (path); | |
| 925 GtkTreeIter iter; | |
| 926 if (OS.gtk_tree_model_get_iter (parent.modelHandle, &iter, path)) { | |
| 927 item = parent._getItem (&iter); | |
| 928 } | |
| 929 } | |
| 930 OS.gtk_tree_path_free (path); | |
| 931 return item; | |
| 932 } | |
| 933 | |
| 934 public override String getText () { | |
| 935 checkWidget (); | |
| 936 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 937 return getText (0); | |
| 938 } | |
| 939 | |
| 940 /** | |
| 941 * Returns the text stored at the given column index in the receiver, | |
| 942 * or empty string if the text has not been set. | |
| 943 * | |
| 944 * @param index the column index | |
| 945 * @return the text stored at the given column index in the receiver | |
| 946 * | |
| 947 * @exception SWTException <ul> | |
| 948 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 949 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 950 * </ul> | |
| 951 * | |
| 952 * @since 3.1 | |
| 953 */ | |
| 954 public String getText (int index) { | |
| 955 checkWidget (); | |
| 956 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 957 return _getText (index); | |
| 958 } | |
| 959 | |
| 960 /** | |
| 961 * Returns a rectangle describing the size and location | |
| 962 * relative to its parent of the text at a column in the | |
| 963 * tree. | |
| 964 * | |
| 965 * @param index the index that specifies the column | |
| 966 * @return the receiver's bounding text rectangle | |
| 967 * | |
| 968 * @exception SWTException <ul> | |
| 969 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 970 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 971 * </ul> | |
| 972 * | |
| 973 * @since 3.3 | |
| 974 */ | |
| 975 public Rectangle getTextBounds (int index) { | |
| 976 checkWidget (); | |
| 977 if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); | |
| 978 int count = Math.max (1, parent.getColumnCount ()); | |
| 979 if (0 > index || index > count - 1) return new Rectangle (0, 0, 0, 0); | |
| 980 // TODO fully test on early and later versions of GTK | |
| 981 // shifted a bit too far right on later versions of GTK - however, old Tree also had this problem | |
| 982 auto parentHandle = parent.handle; | |
| 983 GtkTreeViewColumn* column; | |
| 984 if (index >= 0 && index < parent.columnCount) { | |
| 985 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 986 } else { | |
| 987 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 988 } | |
| 989 if (column is null) return new Rectangle (0, 0, 0, 0); | |
| 990 auto textRenderer = parent.getTextRenderer (column); | |
| 991 auto pixbufRenderer = parent.getPixbufRenderer (column); | |
| 992 if (textRenderer is null || pixbufRenderer is null) return new Rectangle (0, 0, 0, 0); | |
| 993 | |
| 994 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 995 OS.gtk_widget_realize (parentHandle); | |
| 996 | |
| 997 bool isExpander = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle) > 0; | |
| 998 bool isExpanded = cast(bool)OS.gtk_tree_view_row_expanded (parentHandle, path); | |
| 999 OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, isExpander, isExpanded); | |
| 1000 | |
| 1001 GdkRectangle rect; | |
| 1002 OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); | |
| 1003 if ((parent.getStyle () & SWT.MIRRORED) !is 0) rect.x = parent.getClientWidth () - rect.width - rect.x; | |
| 1004 int right = rect.x + rect.width; | |
| 1005 | |
| 1006 int x, w; | |
| 1007 parent.ignoreSize = true; | |
| 1008 OS.gtk_cell_renderer_get_size (textRenderer, parentHandle, null, null, null, &w, null); | |
| 1009 parent.ignoreSize = false; | |
| 1010 int buffer; | |
| 1011 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18) && OS.gtk_tree_view_get_expander_column (parentHandle) is column) { | |
| 1012 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); | |
| 1013 rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 1014 } | |
| 1015 /* | |
| 1016 * Bug in GTK. In GTK 2.8.x, the cell area is left aligned even | |
| 1017 * when the widget is mirrored. The fix is to sum up the indentation | |
| 1018 * of the expanders. | |
| 1019 */ | |
| 1020 if ((parent.getStyle () & SWT.MIRRORED) !is 0 && (OS.GTK_VERSION < OS.buildVERSION (2, 10, 0))) { | |
| 1021 int depth = OS.gtk_tree_path_get_depth (path); | |
| 1022 int expanderSize; | |
| 1023 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &expanderSize); | |
| 1024 rect.x += depth * (expanderSize + TreeItem.EXPANDER_EXTRA_PADDING); | |
| 1025 } | |
| 1026 OS.gtk_tree_path_free (path); | |
| 1027 | |
| 1028 OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); | |
| 1029 int horizontalSeparator = buffer; | |
| 1030 rect.x += horizontalSeparator; | |
| 1031 if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { | |
| 1032 OS.gtk_tree_view_column_cell_get_position (column, textRenderer, &x, null); | |
| 1033 rect.x += x; | |
| 1034 } else { | |
| 1035 if ((parent.style & SWT.CHECK) !is 0) { | |
| 1036 OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, &w, null); | |
| 1037 rect.x += w + horizontalSeparator; | |
| 1038 } | |
| 1039 OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, &w, null); | |
| 1040 rect.x += w + horizontalSeparator; | |
| 1041 } | |
| 1042 if (parent.columnCount > 0) { | |
| 1043 if (rect.x + rect.width > right) { | |
| 1044 rect.width = Math.max (0, right - rect.x); | |
| 1045 } | |
| 1046 } | |
| 1047 int width = OS.gtk_tree_view_column_get_visible (column) ? rect.width + 1 : 0; | |
| 1048 return new Rectangle (rect.x, rect.y, width, rect.height + 1); | |
| 1049 } | |
| 1050 | |
| 1051 /** | |
| 1052 * Searches the receiver's list starting at the first item | |
| 1053 * (index 0) until an item is found that is equal to the | |
| 1054 * argument, and returns the index of that item. If no item | |
| 1055 * is found, returns -1. | |
| 1056 * | |
| 1057 * @param item the search item | |
| 1058 * @return the index of the item | |
| 1059 * | |
| 1060 * @exception IllegalArgumentException <ul> | |
| 1061 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
| 1062 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
| 1063 * </ul> | |
| 1064 * @exception SWTException <ul> | |
| 1065 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1066 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1067 * </ul> | |
| 1068 * | |
| 1069 * @since 3.1 | |
| 1070 */ | |
| 1071 public int indexOf (TreeItem item) { | |
| 1072 checkWidget(); | |
| 1073 if (item is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1074 if (item.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); | |
| 1075 int index = -1; | |
| 1076 bool isParent = false; | |
| 1077 auto currentPath = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 1078 auto parentPath = OS.gtk_tree_model_get_path (parent.modelHandle, item.handle); | |
| 1079 int depth = OS.gtk_tree_path_get_depth (parentPath); | |
| 1080 if (depth > 1 && OS.gtk_tree_path_up(parentPath)) { | |
| 1081 if (OS.gtk_tree_path_compare(currentPath, parentPath) is 0) isParent = true; | |
| 1082 } | |
| 1083 OS.gtk_tree_path_free (currentPath); | |
| 1084 OS.gtk_tree_path_free (parentPath); | |
| 1085 if (!isParent) return index; | |
| 1086 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, item.handle); | |
| 1087 if (depth > 1) { | |
| 1088 auto indices = OS.gtk_tree_path_get_indices (path); | |
| 1089 if (indices !is null) { | |
| 1090 int[] temp = indices[ 0 .. depth]; | |
| 1091 index = temp[temp.length - 1]; | |
| 1092 } | |
| 1093 } | |
| 1094 OS.gtk_tree_path_free (path); | |
| 1095 return index; | |
| 1096 } | |
| 1097 | |
| 1098 void redraw () { | |
| 1099 auto parentHandle = parent.handle; | |
| 1100 if ((OS.GTK_WIDGET_FLAGS (parentHandle) & OS.GTK_REALIZED) !is 0) { | |
| 1101 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 1102 GdkRectangle rect; | |
| 1103 OS.gtk_tree_view_get_cell_area (parentHandle, path, null, &rect); | |
| 1104 OS.gtk_tree_path_free (path); | |
| 1105 auto window = OS.gtk_tree_view_get_bin_window (parentHandle); | |
| 1106 rect.x = 0; | |
| 1107 int w, h; | |
| 1108 OS.gdk_drawable_get_size (window, &w, &h); | |
| 1109 rect.width = w; | |
| 1110 OS.gdk_window_invalidate_rect (window, &rect, false); | |
| 1111 } | |
| 1112 } | |
| 1113 | |
| 1114 override void releaseChildren (bool destroy) { | |
| 1115 if (destroy) { | |
| 1116 parent.releaseItems (cast(GtkTreeIter*)handle); | |
| 1117 } | |
| 1118 super.releaseChildren (destroy); | |
| 1119 } | |
| 1120 | |
| 1121 override void releaseHandle () { | |
| 1122 if (handle !is null) OS.g_free (handle); | |
| 1123 handle = null; | |
| 1124 super.releaseHandle (); | |
| 1125 parent = null; | |
| 1126 } | |
| 1127 | |
| 1128 override void releaseWidget () { | |
| 1129 super.releaseWidget (); | |
| 1130 font = null; | |
| 1131 cellFont = null; | |
| 1132 } | |
| 1133 | |
| 1134 /** | |
| 1135 * Removes all of the items from the receiver. | |
| 1136 * <p> | |
| 1137 * @exception SWTException <ul> | |
| 1138 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1139 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1140 * </ul> | |
| 1141 * | |
| 1142 * @since 3.1 | |
| 1143 */ | |
| 1144 public void removeAll () { | |
| 1145 checkWidget (); | |
| 1146 int length = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle); | |
| 1147 if (length is 0) return; | |
| 1148 GtkTreeIter iter; | |
| 1149 int index; | |
| 1150 while (OS.gtk_tree_model_iter_children (parent.modelHandle, &iter, handle)) { | |
| 1151 OS.gtk_tree_model_get1 (parent.modelHandle, &iter, Tree.ID_COLUMN, cast(void**)&index); | |
| 1152 if (index !is -1) { | |
| 1153 TreeItem item = parent.items [index]; | |
| 1154 if (item !is null && !item.isDisposed ()) { | |
| 1155 item.dispose (); | |
| 1156 } | |
| 1157 } | |
| 1158 } | |
| 1159 } | |
| 1160 | |
| 1161 /** | |
| 1162 * Sets the receiver's background color to the color specified | |
| 1163 * by the argument, or to the default system color for the item | |
| 1164 * if the argument is null. | |
| 1165 * | |
| 1166 * @param color the new color (or null) | |
| 1167 * | |
| 1168 * @exception IllegalArgumentException <ul> | |
| 1169 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1170 * </ul> | |
| 1171 * @exception SWTException <ul> | |
| 1172 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1173 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1174 * </ul> | |
| 1175 * | |
| 1176 * @since 2.0 | |
| 1177 * | |
| 1178 */ | |
| 1179 public void setBackground (Color color) { | |
| 1180 checkWidget (); | |
| 1181 if (color !is null && color.isDisposed ()) { | |
| 1182 SWT.error (SWT.ERROR_INVALID_ARGUMENT); | |
| 1183 } | |
| 1184 if (_getBackground ().opEquals (color)) return; | |
| 1185 GdkColor* gdkColor = color !is null ? color.handle : null; | |
| 1186 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.BACKGROUND_COLUMN, gdkColor); | |
| 1187 /* | |
| 1188 * Bug in GTK. When using fixed-height-mode, | |
| 1189 * row changes do not cause the row to be repainted. The fix is to | |
| 1190 * invalidate the row when it is cleared. | |
| 1191 */ | |
| 1192 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 1193 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1194 redraw (); | |
| 1195 } | |
| 1196 } | |
| 1197 cached = true; | |
| 1198 } | |
| 1199 | |
| 1200 /** | |
| 1201 * Sets the background color at the given column index in the receiver | |
| 1202 * to the color specified by the argument, or to the default system color for the item | |
| 1203 * if the argument is null. | |
| 1204 * | |
| 1205 * @param index the column index | |
| 1206 * @param color the new color (or null) | |
| 1207 * | |
| 1208 * @exception IllegalArgumentException <ul> | |
| 1209 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</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 * @since 3.1 | |
| 1217 * | |
| 1218 */ | |
| 1219 public void setBackground (int index, Color color) { | |
| 1220 checkWidget (); | |
| 1221 if (color !is null && color.isDisposed ()) { | |
| 1222 SWT.error (SWT.ERROR_INVALID_ARGUMENT); | |
| 1223 } | |
| 1224 if (_getBackground (index).opEquals (color)) return; | |
| 1225 int count = Math.max (1, parent.getColumnCount ()); | |
| 1226 if (0 > index || index > count - 1) return; | |
| 1227 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 1228 GdkColor* gdkColor = color !is null ? color.handle : null; | |
| 1229 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_BACKGROUND, gdkColor); | |
| 1230 /* | |
| 1231 * Bug in GTK. When using fixed-height-mode, | |
| 1232 * row changes do not cause the row to be repainted. The fix is to | |
| 1233 * invalidate the row when it is cleared. | |
| 1234 */ | |
| 1235 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 1236 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1237 redraw (); | |
| 1238 } | |
| 1239 } | |
| 1240 cached = true; | |
| 1241 | |
| 1242 if (color !is null) { | |
| 1243 bool customDraw = (parent.columnCount is 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; | |
| 1244 if (!customDraw) { | |
| 1245 if ((parent.style & SWT.VIRTUAL) is 0) { | |
| 1246 auto parentHandle = parent.handle; | |
| 1247 GtkTreeViewColumn* column; | |
| 1248 if (parent.columnCount > 0) { | |
| 1249 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 1250 } else { | |
| 1251 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 1252 } | |
| 1253 if (column is null) return; | |
| 1254 auto textRenderer = parent.getTextRenderer (column); | |
| 1255 auto imageRenderer = parent.getPixbufRenderer (column); | |
| 1256 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)textRenderer ); | |
| 1257 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)imageRenderer ); | |
| 1258 } | |
| 1259 if (parent.columnCount is 0) { | |
| 1260 parent.firstCustomDraw = true; | |
| 1261 } else { | |
| 1262 parent.columns [index].customDraw = true; | |
| 1263 } | |
| 1264 } | |
| 1265 } | |
| 1266 } | |
| 1267 | |
| 1268 /** | |
| 1269 * Sets the checked state of the receiver. | |
| 1270 * <p> | |
| 1271 * | |
| 1272 * @param checked the new checked state | |
| 1273 * | |
| 1274 * @exception SWTException <ul> | |
| 1275 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1276 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1277 * </ul> | |
| 1278 */ | |
| 1279 public void setChecked (bool checked) { | |
| 1280 checkWidget(); | |
| 1281 if ((parent.style & SWT.CHECK) is 0) return; | |
| 1282 if (_getChecked () is checked) return; | |
| 1283 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.CHECKED_COLUMN, cast(void*)cast(int)checked); | |
| 1284 /* | |
| 1285 * GTK+'s "inconsistent" state does not match SWT's concept of grayed. To | |
| 1286 * show checked+grayed differently from unchecked+grayed, we must toggle the | |
| 1287 * grayed state on check and uncheck. | |
| 1288 */ | |
| 1289 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.GRAYED_COLUMN, cast(void*)cast(int)( !checked ? false : grayed)); | |
| 1290 cached = true; | |
| 1291 } | |
| 1292 | |
| 1293 /** | |
| 1294 * Sets the expanded state of the receiver. | |
| 1295 * <p> | |
| 1296 * | |
| 1297 * @param expanded the new expanded state | |
| 1298 * | |
| 1299 * @exception SWTException <ul> | |
| 1300 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1301 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1302 * </ul> | |
| 1303 */ | |
| 1304 public void setExpanded (bool expanded) { | |
| 1305 checkWidget(); | |
| 1306 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 1307 if (expanded) { | |
| 1308 OS.g_signal_handlers_block_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_EXPAND_ROW); | |
| 1309 OS.gtk_tree_view_expand_row (parent.handle, path, false); | |
| 1310 OS.g_signal_handlers_unblock_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_EXPAND_ROW); | |
| 1311 } else { | |
| 1312 OS.g_signal_handlers_block_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_COLLAPSE_ROW); | |
| 1313 OS.gtk_widget_realize (parent.handle); | |
| 1314 OS.gtk_tree_view_collapse_row (parent.handle, path); | |
| 1315 OS.g_signal_handlers_unblock_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_COLLAPSE_ROW); | |
| 1316 } | |
| 1317 OS.gtk_tree_path_free (path); | |
| 1318 cached = true; | |
| 1319 } | |
| 1320 | |
| 1321 | |
| 1322 /** | |
| 1323 * Sets the font that the receiver will use to paint textual information | |
| 1324 * for this item to the font specified by the argument, or to the default font | |
| 1325 * for that kind of control if the argument is null. | |
| 1326 * | |
| 1327 * @param font the new font (or null) | |
| 1328 * | |
| 1329 * @exception IllegalArgumentException <ul> | |
| 1330 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1331 * </ul> | |
| 1332 * @exception SWTException <ul> | |
| 1333 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1334 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1335 * </ul> | |
| 1336 * | |
| 1337 * @since 3.0 | |
| 1338 */ | |
| 1339 public void setFont (Font font){ | |
| 1340 checkWidget (); | |
| 1341 if (font !is null && font.isDisposed ()) { | |
| 1342 SWT.error (SWT.ERROR_INVALID_ARGUMENT); | |
| 1343 } | |
| 1344 Font oldFont = this.font; | |
| 1345 if (oldFont is font) return; | |
| 1346 this.font = font; | |
| 1347 if (oldFont !is null && oldFont.opEquals (font)) return; | |
| 1348 void* fontHandle = font !is null ? font.handle : null; | |
| 1349 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.FONT_COLUMN, fontHandle); | |
| 1350 /* | |
| 1351 * Bug in GTK. When using fixed-height-mode, | |
| 1352 * row changes do not cause the row to be repainted. The fix is to | |
| 1353 * invalidate the row when it is cleared. | |
| 1354 */ | |
| 1355 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 1356 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1357 redraw (); | |
| 1358 } | |
| 1359 } | |
| 1360 cached = true; | |
| 1361 } | |
| 1362 | |
| 1363 /** | |
| 1364 * Sets the font that the receiver will use to paint textual information | |
| 1365 * for the specified cell in this item to the font specified by the | |
| 1366 * argument, or to the default font for that kind of control if the | |
| 1367 * argument is null. | |
| 1368 * | |
| 1369 * @param index the column index | |
| 1370 * @param font the new font (or null) | |
| 1371 * | |
| 1372 * @exception IllegalArgumentException <ul> | |
| 1373 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1374 * </ul> | |
| 1375 * @exception SWTException <ul> | |
| 1376 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1377 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1378 * </ul> | |
| 1379 * | |
| 1380 * @since 3.1 | |
| 1381 */ | |
| 1382 public void setFont (int index, Font font) { | |
| 1383 checkWidget (); | |
| 1384 if (font !is null && font.isDisposed ()) { | |
| 1385 SWT.error (SWT.ERROR_INVALID_ARGUMENT); | |
| 1386 } | |
| 1387 int count = Math.max (1, parent.getColumnCount ()); | |
| 1388 if (0 > index || index > count - 1) return; | |
| 1389 if (cellFont is null) { | |
| 1390 if (font is null) return; | |
| 1391 cellFont = new Font [count]; | |
| 1392 } | |
| 1393 Font oldFont = cellFont [index]; | |
| 1394 if (oldFont is font) return; | |
| 1395 cellFont [index] = font; | |
| 1396 if (oldFont !is null && oldFont.opEquals (font)) return; | |
| 1397 | |
| 1398 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 1399 auto fontHandle = font !is null ? font.handle : null; | |
| 1400 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_FONT, fontHandle); | |
| 1401 /* | |
| 1402 * Bug in GTK. When using fixed-height-mode, | |
| 1403 * row changes do not cause the row to be repainted. The fix is to | |
| 1404 * invalidate the row when it is cleared. | |
| 1405 */ | |
| 1406 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 1407 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1408 redraw (); | |
| 1409 } | |
| 1410 } | |
| 1411 cached = true; | |
| 1412 | |
| 1413 if (font !is null) { | |
| 1414 bool customDraw = (parent.columnCount is 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; | |
| 1415 if (!customDraw) { | |
| 1416 if ((parent.style & SWT.VIRTUAL) is 0) { | |
| 1417 auto parentHandle = parent.handle; | |
| 1418 GtkTreeViewColumn* column; | |
| 1419 if (parent.columnCount > 0) { | |
| 1420 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 1421 } else { | |
| 1422 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 1423 } | |
| 1424 if (column is null) return; | |
| 1425 auto textRenderer = parent.getTextRenderer (column); | |
| 1426 auto imageRenderer = parent.getPixbufRenderer (column); | |
| 1427 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)textRenderer ); | |
| 1428 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)imageRenderer ); | |
| 1429 } | |
| 1430 if (parent.columnCount is 0) { | |
| 1431 parent.firstCustomDraw = true; | |
| 1432 } else { | |
| 1433 parent.columns [index].customDraw = true; | |
| 1434 } | |
| 1435 } | |
| 1436 } | |
| 1437 } | |
| 1438 | |
| 1439 /** | |
| 1440 * Sets the receiver's foreground color to the color specified | |
| 1441 * by the argument, or to the default system color for the item | |
| 1442 * if the argument is null. | |
| 1443 * | |
| 1444 * @param color the new color (or null) | |
| 1445 * | |
| 1446 * @since 2.0 | |
| 1447 * | |
| 1448 * @exception IllegalArgumentException <ul> | |
| 1449 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1450 * </ul> | |
| 1451 * @exception SWTException <ul> | |
| 1452 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1453 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1454 * </ul> | |
| 1455 * | |
| 1456 * @since 2.0 | |
| 1457 * | |
| 1458 */ | |
| 1459 public void setForeground (Color color){ | |
| 1460 checkWidget (); | |
| 1461 if (color !is null && color.isDisposed ()) { | |
| 1462 SWT.error (SWT.ERROR_INVALID_ARGUMENT); | |
| 1463 } | |
| 1464 if (_getForeground ().opEquals (color)) return; | |
| 1465 GdkColor *gdkColor = color !is null ? color.handle : null; | |
| 1466 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.FOREGROUND_COLUMN, gdkColor); | |
| 1467 /* | |
| 1468 * Bug in GTK. When using fixed-height-mode, | |
| 1469 * row changes do not cause the row to be repainted. The fix is to | |
| 1470 * invalidate the row when it is cleared. | |
| 1471 */ | |
| 1472 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 1473 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1474 redraw (); | |
| 1475 } | |
| 1476 } | |
| 1477 cached = true; | |
| 1478 } | |
| 1479 | |
| 1480 /** | |
| 1481 * Sets the foreground color at the given column index in the receiver | |
| 1482 * to the color specified by the argument, or to the default system color for the item | |
| 1483 * if the argument is null. | |
| 1484 * | |
| 1485 * @param index the column index | |
| 1486 * @param color the new color (or null) | |
| 1487 * | |
| 1488 * @exception IllegalArgumentException <ul> | |
| 1489 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1490 * </ul> | |
| 1491 * @exception SWTException <ul> | |
| 1492 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1493 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1494 * </ul> | |
| 1495 * | |
| 1496 * @since 3.1 | |
| 1497 * | |
| 1498 */ | |
| 1499 public void setForeground (int index, Color color){ | |
| 1500 checkWidget (); | |
| 1501 if (color !is null && color.isDisposed ()) { | |
| 1502 SWT.error (SWT.ERROR_INVALID_ARGUMENT); | |
| 1503 } | |
| 1504 if (_getForeground (index).opEquals (color)) return; | |
| 1505 int count = Math.max (1, parent.getColumnCount ()); | |
| 1506 if (0 > index || index > count - 1) return; | |
| 1507 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 1508 GdkColor *gdkColor = color !is null ? color.handle : null; | |
| 1509 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_FOREGROUND, gdkColor); | |
| 1510 /* | |
| 1511 * Bug in GTK. When using fixed-height-mode, | |
| 1512 * row changes do not cause the row to be repainted. The fix is to | |
| 1513 * invalidate the row when it is cleared. | |
| 1514 */ | |
| 1515 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 1516 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1517 redraw (); | |
| 1518 } | |
| 1519 } | |
| 1520 cached = true; | |
| 1521 | |
| 1522 if (color !is null) { | |
| 1523 bool customDraw = (parent.columnCount is 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; | |
| 1524 if (!customDraw) { | |
| 1525 if ((parent.style & SWT.VIRTUAL) is 0) { | |
| 1526 auto parentHandle = parent.handle; | |
| 1527 GtkTreeViewColumn* column; | |
| 1528 if (parent.columnCount > 0) { | |
| 1529 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 1530 } else { | |
| 1531 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 1532 } | |
| 1533 if (column is null) return; | |
| 1534 auto textRenderer = parent.getTextRenderer (column); | |
| 1535 auto imageRenderer = parent.getPixbufRenderer (column); | |
| 1536 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)textRenderer ); | |
| 1537 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)imageRenderer ); | |
| 1538 } | |
| 1539 if (parent.columnCount is 0) { | |
| 1540 parent.firstCustomDraw = true; | |
| 1541 } else { | |
| 1542 parent.columns [index].customDraw = true; | |
| 1543 } | |
| 1544 } | |
| 1545 } | |
| 1546 } | |
| 1547 | |
| 1548 /** | |
| 1549 * Sets the grayed state of the checkbox for this item. This state change | |
| 1550 * only applies if the Tree was created with the SWT.CHECK style. | |
| 1551 * | |
| 1552 * @param grayed the new grayed state of the checkbox | |
| 1553 * | |
| 1554 * @exception SWTException <ul> | |
| 1555 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1556 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1557 * </ul> | |
| 1558 */ | |
| 1559 public void setGrayed (bool grayed) { | |
| 1560 checkWidget(); | |
| 1561 if ((parent.style & SWT.CHECK) is 0) return; | |
| 1562 if (this.grayed is grayed) return; | |
| 1563 this.grayed = grayed; | |
| 1564 /* | |
| 1565 * GTK+'s "inconsistent" state does not match SWT's concept of grayed. | |
| 1566 * Render checked+grayed as "inconsistent", unchecked+grayed as blank. | |
| 1567 */ | |
| 1568 void* ptr; | |
| 1569 OS.gtk_tree_model_get1 (parent.modelHandle, handle, Tree.CHECKED_COLUMN, &ptr); | |
| 1570 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.GRAYED_COLUMN, cast(void*)cast(int)( ptr is null ? false : grayed)); | |
| 1571 cached = true; | |
| 1572 } | |
| 1573 | |
| 1574 /** | |
| 1575 * Sets the receiver's image at a column. | |
| 1576 * | |
| 1577 * @param index the column index | |
| 1578 * @param image the new image | |
| 1579 * | |
| 1580 * @exception IllegalArgumentException <ul> | |
| 1581 * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> | |
| 1582 * </ul> | |
| 1583 * @exception SWTException <ul> | |
| 1584 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1585 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1586 * </ul> | |
| 1587 * | |
| 1588 * @since 3.1 | |
| 1589 */ | |
| 1590 public void setImage (int index, Image image) { | |
| 1591 checkWidget (); | |
| 1592 if (image !is null && image.isDisposed()) { | |
| 1593 error(SWT.ERROR_INVALID_ARGUMENT); | |
| 1594 } | |
| 1595 if (image !is null && image.type is SWT.ICON) { | |
| 1596 if (image.opEquals (_getImage (index))) return; | |
| 1597 } | |
| 1598 int count = Math.max (1, parent.getColumnCount ()); | |
| 1599 if (0 > index || index > count - 1) return; | |
| 1600 GdkPixbuf* pixbuf; | |
| 1601 if (image !is null) { | |
| 1602 ImageList imageList = parent.imageList; | |
| 1603 if (imageList is null) imageList = parent.imageList = new ImageList (); | |
| 1604 int imageIndex = imageList.indexOf (image); | |
| 1605 if (imageIndex is -1) imageIndex = imageList.add (image); | |
| 1606 pixbuf = imageList.getPixbuf (imageIndex); | |
| 1607 } | |
| 1608 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 1609 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_PIXBUF, pixbuf); | |
| 1610 /* | |
| 1611 * Bug in GTK. When using fixed-height-mode, | |
| 1612 * row changes do not cause the row to be repainted. The fix is to | |
| 1613 * invalidate the row when the image changes. | |
| 1614 */ | |
| 1615 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 1616 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1617 if (parent.columnCount is 0) { | |
| 1618 redraw (); | |
| 1619 } | |
| 1620 } | |
| 1621 } | |
| 1622 /* | |
| 1623 * Bug in GTK. When using fixed-height-mode, GTK does not recalculate the cell renderer width | |
| 1624 * when the image is changed in the model. The fix is to force it to recalculate the width if | |
| 1625 * more space is required. | |
| 1626 */ | |
| 1627 if ((parent.style & SWT.VIRTUAL) !is 0 && parent.currentItem is null) { | |
| 1628 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2)) { | |
| 1629 if (image !is null) { | |
| 1630 auto parentHandle = parent.handle; | |
| 1631 auto column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 1632 int w; | |
| 1633 auto pixbufRenderer = parent.getPixbufRenderer(column); | |
| 1634 OS.gtk_tree_view_column_cell_get_position (column, pixbufRenderer, null, &w); | |
| 1635 if (w < image.getBounds().width) { | |
| 1636 /* | |
| 1637 * There is no direct way to clear the cell renderer width so we | |
| 1638 * are relying on the fact that it is done as part of modifying | |
| 1639 * the style. | |
| 1640 */ | |
| 1641 auto style = OS.gtk_widget_get_modifier_style (parentHandle); | |
| 1642 parent.modifyStyle (parentHandle, style); | |
| 1643 } | |
| 1644 } | |
| 1645 } | |
| 1646 } | |
| 1647 cached = true; | |
| 1648 } | |
| 1649 | |
| 1650 public override void setImage (Image image) { | |
| 1651 checkWidget (); | |
| 1652 setImage (0, image); | |
| 1653 } | |
| 1654 | |
| 1655 /** | |
| 1656 * Sets the image for multiple columns in the tree. | |
| 1657 * | |
| 1658 * @param images the array of new images | |
| 1659 * | |
| 1660 * @exception IllegalArgumentException <ul> | |
| 1661 * <li>ERROR_INVALID_ARGUMENT - if one of the images has been disposed</li> | |
| 1662 * </ul> | |
| 1663 * @exception SWTException <ul> | |
| 1664 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1665 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1666 * </ul> | |
| 1667 * | |
| 1668 * @since 3.1 | |
| 1669 */ | |
| 1670 public void setImage (Image [] images) { | |
| 1671 checkWidget (); | |
| 1672 // SWT extension: allow null for zero length string | |
| 1673 //if (images is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1674 for (int i=0; i<images.length; i++) { | |
| 1675 setImage (i, images [i]); | |
| 1676 } | |
| 1677 } | |
| 1678 | |
| 1679 /** | |
| 1680 * Sets the number of child items contained in the receiver. | |
| 1681 * | |
| 1682 * @param count the number of items | |
| 1683 * | |
| 1684 * @exception SWTException <ul> | |
| 1685 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1686 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1687 * </ul> | |
| 1688 * | |
| 1689 * @since 3.2 | |
| 1690 */ | |
| 1691 public void setItemCount (int count) { | |
| 1692 checkWidget (); | |
| 1693 count = Math.max (0, count); | |
| 1694 parent.setItemCount (cast(GtkTreeIter*)handle, count); | |
| 1695 } | |
| 1696 | |
| 1697 /** | |
| 1698 * Sets the receiver's text at a column | |
| 1699 * | |
| 1700 * @param index the column index | |
| 1701 * @param string the new text | |
| 1702 * | |
| 1703 * @exception SWTException <ul> | |
| 1704 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1705 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1706 * </ul> | |
| 1707 * | |
| 1708 * @since 3.1 | |
| 1709 */ | |
| 1710 public void setText (int index, String string) { | |
| 1711 checkWidget (); | |
| 1712 // SWT extension: allow null for zero length string | |
| 1713 //if (string is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1714 if (_getText (index).equals (string)) return; | |
| 1715 int count = Math.max (1, parent.getColumnCount ()); | |
| 1716 if (0 > index || index > count - 1) return; | |
| 1717 char* buffer = toStringz(string); | |
| 1718 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 1719 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_TEXT, buffer); | |
| 1720 /* | |
| 1721 * Bug in GTK. When using fixed-height-mode, | |
| 1722 * row changes do not cause the row to be repainted. The fix is to | |
| 1723 * invalidate the row when the text changes. | |
| 1724 */ | |
| 1725 if ((parent.style & SWT.VIRTUAL) !is 0) { | |
| 1726 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1727 redraw (); | |
| 1728 } | |
| 1729 } | |
| 1730 cached = true; | |
| 1731 } | |
| 1732 | |
| 1733 public override void setText (String string) { | |
| 1734 checkWidget (); | |
| 1735 setText (0, string); | |
| 1736 } | |
| 1737 | |
| 1738 /** | |
| 1739 * Sets the text for multiple columns in the tree. | |
| 1740 * | |
| 1741 * @param strings the array of new strings | |
| 1742 * | |
| 1743 * @exception SWTException <ul> | |
| 1744 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1745 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1746 * </ul> | |
| 1747 * | |
| 1748 * @since 3.1 | |
| 1749 */ | |
| 1750 public void setText (String [] strings) { | |
| 1751 checkWidget (); | |
| 1752 // SWT extension: allow null for zero length string | |
| 1753 //if (strings is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1754 for (int i=0; i<strings.length; i++) { | |
| 1755 String string = strings [i]; | |
| 1756 if (string !is null) setText (i, string); | |
| 1757 } | |
| 1758 } | |
| 1759 } |