Mercurial > projects > dwt-linux
annotate dwt/widgets/TreeItem.d @ 255:5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 15 Jun 2008 22:32:20 +0200 |
| parents | ce446666f5a2 |
| children | c0d810de7093 |
| rev | line source |
|---|---|
|
150
f2e04420fd6c
reworked overrides and superclass aliases
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
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.TreeItem; | |
| 14 | |
| 238 | 15 import dwt.dwthelper.utils; |
| 16 | |
| 90 | 17 |
| 18 | |
| 19 import dwt.DWT; | |
| 20 import dwt.DWTException; | |
| 21 import dwt.graphics.Color; | |
| 22 import dwt.graphics.Font; | |
| 23 import dwt.graphics.Image; | |
| 24 import dwt.graphics.Rectangle; | |
| 25 import dwt.internal.gtk.OS; | |
| 26 import dwt.widgets.Item; | |
| 27 import dwt.widgets.Tree; | |
| 28 import dwt.widgets.ImageList; | |
| 29 | |
| 30 import Math = tango.math.Math; | |
| 31 | |
| 32 /** | |
| 33 * Instances of this class represent a selectable user interface object | |
| 34 * that represents a hierarchy of tree items in a tree widget. | |
| 35 * | |
| 36 * <dl> | |
| 37 * <dt><b>Styles:</b></dt> | |
| 38 * <dd>(none)</dd> | |
| 39 * <dt><b>Events:</b></dt> | |
| 40 * <dd>(none)</dd> | |
| 41 * </dl> | |
| 42 * <p> | |
| 43 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
| 44 * </p> | |
| 45 */ | |
| 46 public class TreeItem : Item { | |
| 47 Tree parent; | |
| 48 Font font; | |
| 49 Font[] cellFont; | |
| 50 bool cached, grayed; | |
| 51 static final int EXPANDER_EXTRA_PADDING = 4; | |
| 52 | |
| 53 /** | |
| 54 * Constructs a new instance of this class given its parent | |
| 55 * (which must be a <code>Tree</code> or a <code>TreeItem</code>) | |
| 56 * and a style value describing its behavior and appearance. | |
| 57 * The item is added to the end of the items maintained by its parent. | |
| 58 * <p> | |
| 59 * The style value is either one of the style constants defined in | |
| 60 * class <code>DWT</code> which is applicable to instances of this | |
| 61 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 62 * (that is, using the <code>int</code> "|" operator) two or more | |
| 63 * of those <code>DWT</code> style constants. The class description | |
| 64 * lists the style constants that are applicable to the class. | |
| 65 * Style bits are also inherited from superclasses. | |
| 66 * </p> | |
| 67 * | |
| 68 * @param parent a tree control which will be the parent of the new instance (cannot be null) | |
| 69 * @param style the style of control to construct | |
| 70 * | |
| 71 * @exception IllegalArgumentException <ul> | |
| 72 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 73 * </ul> | |
| 74 * @exception DWTException <ul> | |
| 75 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 76 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 77 * </ul> | |
| 78 * | |
| 79 * @see DWT | |
| 80 * @see Widget#checkSubclass | |
| 81 * @see Widget#getStyle | |
| 82 */ | |
| 83 public this (Tree parent, int style) { | |
| 84 this (checkNull (parent), null, style, -1, true); | |
| 85 } | |
| 86 | |
| 87 /** | |
| 88 * Constructs a new instance of this class given its parent | |
| 89 * (which must be a <code>Tree</code> or a <code>TreeItem</code>), | |
| 90 * a style value describing its behavior and appearance, and the index | |
| 91 * at which to place it in the items maintained by its parent. | |
| 92 * <p> | |
| 93 * The style value is either one of the style constants defined in | |
| 94 * class <code>DWT</code> which is applicable to instances of this | |
| 95 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 96 * (that is, using the <code>int</code> "|" operator) two or more | |
| 97 * of those <code>DWT</code> style constants. The class description | |
| 98 * lists the style constants that are applicable to the class. | |
| 99 * Style bits are also inherited from superclasses. | |
| 100 * </p> | |
| 101 * | |
| 102 * @param parent a tree control which will be the parent of the new instance (cannot be null) | |
| 103 * @param style the style of control to construct | |
| 104 * @param index the zero-relative index to store the receiver in its parent | |
| 105 * | |
| 106 * @exception IllegalArgumentException <ul> | |
| 107 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 108 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> | |
| 109 * </ul> | |
| 110 * @exception DWTException <ul> | |
| 111 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 112 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 113 * </ul> | |
| 114 * | |
| 115 * @see DWT | |
| 116 * @see Widget#checkSubclass | |
| 117 * @see Widget#getStyle | |
| 118 */ | |
| 119 public this (Tree parent, int style, int index) { | |
| 120 this (checkNull (parent), null, style, checkIndex (index), true); | |
| 121 } | |
| 122 | |
| 123 /** | |
| 124 * Constructs a new instance of this class given its parent | |
| 125 * (which must be a <code>Tree</code> or a <code>TreeItem</code>) | |
| 126 * and a style value describing its behavior and appearance. | |
| 127 * The item is added to the end of the items maintained by its parent. | |
| 128 * <p> | |
| 129 * The style value is either one of the style constants defined in | |
| 130 * class <code>DWT</code> which is applicable to instances of this | |
| 131 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 132 * (that is, using the <code>int</code> "|" operator) two or more | |
| 133 * of those <code>DWT</code> style constants. The class description | |
| 134 * lists the style constants that are applicable to the class. | |
| 135 * Style bits are also inherited from superclasses. | |
| 136 * </p> | |
| 137 * | |
| 138 * @param parentItem a tree control which will be the parent of the new instance (cannot be null) | |
| 139 * @param style the style of control to construct | |
| 140 * | |
| 141 * @exception IllegalArgumentException <ul> | |
| 142 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 143 * </ul> | |
| 144 * @exception DWTException <ul> | |
| 145 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 146 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 147 * </ul> | |
| 148 * | |
| 149 * @see DWT | |
| 150 * @see Widget#checkSubclass | |
| 151 * @see Widget#getStyle | |
| 152 */ | |
| 153 public this (TreeItem parentItem, int style) { | |
| 154 this (checkNull (parentItem).parent, cast(GtkTreeIter*)parentItem.handle, style, -1, true); | |
| 155 } | |
| 156 | |
| 157 /** | |
| 158 * Constructs a new instance of this class given its parent | |
| 159 * (which must be a <code>Tree</code> or a <code>TreeItem</code>), | |
| 160 * a style value describing its behavior and appearance, and the index | |
| 161 * at which to place it in the items maintained by its parent. | |
| 162 * <p> | |
| 163 * The style value is either one of the style constants defined in | |
| 164 * class <code>DWT</code> which is applicable to instances of this | |
| 165 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 166 * (that is, using the <code>int</code> "|" operator) two or more | |
| 167 * of those <code>DWT</code> style constants. The class description | |
| 168 * lists the style constants that are applicable to the class. | |
| 169 * Style bits are also inherited from superclasses. | |
| 170 * </p> | |
| 171 * | |
| 172 * @param parentItem a tree control which will be the parent of the new instance (cannot be null) | |
| 173 * @param style the style of control to construct | |
| 174 * @param index the zero-relative index to store the receiver in its parent | |
| 175 * | |
| 176 * @exception IllegalArgumentException <ul> | |
| 177 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 178 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> | |
| 179 * </ul> | |
| 180 * @exception DWTException <ul> | |
| 181 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 182 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 183 * </ul> | |
| 184 * | |
| 185 * @see DWT | |
| 186 * @see Widget#checkSubclass | |
| 187 * @see Widget#getStyle | |
| 188 */ | |
| 189 public this (TreeItem parentItem, int style, int index) { | |
| 190 this (checkNull (parentItem).parent, cast(GtkTreeIter*)parentItem.handle, style, checkIndex (index), true); | |
| 191 } | |
| 192 | |
| 193 this (Tree parent, GtkTreeIter* parentIter, int style, int index, bool create) { | |
| 194 super (parent, style); | |
| 195 this.parent = parent; | |
| 196 if (create) { | |
| 197 parent.createItem (this, parentIter, index); | |
| 198 } else { | |
| 199 handle = cast(GtkWidget*)OS.g_malloc (GtkTreeIter.sizeof); | |
| 200 OS.gtk_tree_model_iter_nth_child (parent.modelHandle, handle, parentIter, index); | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 static int checkIndex (int index) { | |
| 205 if (index < 0) DWT.error (DWT.ERROR_INVALID_RANGE); | |
| 206 return index; | |
| 207 } | |
| 208 | |
| 209 static TreeItem checkNull (TreeItem item) { | |
| 210 if (item is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); | |
| 211 return item; | |
| 212 } | |
| 213 | |
| 214 static Tree checkNull (Tree control) { | |
| 215 if (control is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); | |
| 216 return control; | |
| 217 } | |
| 218 | |
|
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219 protected override void checkSubclass () { |
| 90 | 220 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
| 221 } | |
| 222 | |
| 240 | 223 Color _getBackground () { |
| 224 void* ptr; | |
| 225 OS.gtk_tree_model_get1 (parent.modelHandle, handle, Tree.BACKGROUND_COLUMN, &ptr); | |
| 226 if (ptr is null) return parent.getBackground (); | |
| 227 GdkColor* gdkColor = new GdkColor (); | |
| 228 *gdkColor = *cast(GdkColor*) ptr; | |
| 229 return Color.gtk_new (display, gdkColor); | |
| 230 } | |
| 231 | |
| 232 Color _getBackground (int index) { | |
| 233 int count = Math.max (1, parent.columnCount); | |
| 234 if (0 > index || index > count - 1) return _getBackground (); | |
| 235 void* ptr; | |
| 236 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 237 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_BACKGROUND, &ptr); | |
| 238 if (ptr is null) return _getBackground (); | |
| 239 GdkColor* gdkColor = new GdkColor (); | |
| 240 *gdkColor = *cast(GdkColor*) ptr; | |
| 241 return Color.gtk_new (display, gdkColor); | |
| 242 } | |
| 243 | |
| 244 bool _getChecked () { | |
| 245 void* ptr; | |
| 246 OS.gtk_tree_model_get1 (parent.modelHandle, handle, Tree.CHECKED_COLUMN, &ptr); | |
| 247 return ptr !is null; | |
| 248 } | |
| 249 | |
| 250 Color _getForeground () { | |
| 251 void* ptr; | |
| 252 OS.gtk_tree_model_get1 (parent.modelHandle, handle, Tree.FOREGROUND_COLUMN, &ptr); | |
| 253 if (ptr is null) return parent.getForeground (); | |
| 254 GdkColor* gdkColor = new GdkColor (); | |
| 255 *gdkColor = *cast(GdkColor*) ptr; | |
| 256 return Color.gtk_new (display, gdkColor); | |
| 257 } | |
| 258 | |
| 259 Color _getForeground (int index) { | |
| 260 int count = Math.max (1, parent.columnCount); | |
| 261 if (0 > index || index > count - 1) return _getForeground (); | |
| 262 void* ptr; | |
| 263 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 264 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_FOREGROUND, &ptr); | |
| 265 if (ptr is null) return _getForeground (); | |
| 266 GdkColor* gdkColor = new GdkColor (); | |
| 267 *gdkColor = *cast(GdkColor*) ptr; | |
| 268 return Color.gtk_new (display, gdkColor); | |
| 269 } | |
| 270 | |
| 271 Image _getImage (int index) { | |
| 272 int count = Math.max (1, parent.getColumnCount ()); | |
| 273 if (0 > index || index > count - 1) return null; | |
| 274 void* ptr; | |
| 275 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 276 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_PIXBUF, &ptr); | |
| 277 if (ptr is null) return null; | |
| 278 ImageList imageList = parent.imageList; | |
| 279 int imageIndex = imageList.indexOf (ptr); | |
| 280 if (imageIndex is -1) return null; | |
| 281 return imageList.get (imageIndex); | |
| 282 } | |
| 283 | |
| 284 String _getText (int index) { | |
| 285 int count = Math.max (1, parent.getColumnCount ()); | |
| 286 if (0 > index || index > count - 1) return ""; | |
| 287 void* ptr; | |
| 288 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 289 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_TEXT, &ptr); | |
| 290 if (ptr is null) return ""; //$NON-NLS-1$ | |
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291 char[] buffer = fromStringz( cast(char*)ptr).dup; |
| 240 | 292 OS.g_free (ptr); |
| 293 return buffer; | |
| 294 } | |
| 295 | |
| 90 | 296 void clear () { |
| 297 if (parent.currentItem is this) return; | |
| 298 if (cached || (parent.style & DWT.VIRTUAL) is 0) { | |
| 299 int columnCount = OS.gtk_tree_model_get_n_columns (parent.modelHandle); | |
| 300 for (int i=Tree.CHECKED_COLUMN; i<columnCount; i++) { | |
| 301 OS.gtk_tree_store_set1(parent.modelHandle, cast(GtkTreeIter*)handle, i, null); | |
| 302 } | |
| 303 /* | |
| 304 * Bug in GTK. When using fixed-height-mode, | |
| 305 * row changes do not cause the row to be repainted. The fix is to | |
| 306 * invalidate the row when it is cleared. | |
| 307 */ | |
| 308 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 309 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 310 redraw (); | |
| 311 } | |
| 312 } | |
| 313 } | |
| 314 cached = false; | |
| 315 font = null; | |
| 316 cellFont = null; | |
| 317 } | |
| 318 | |
| 319 /** | |
| 320 * Clears the item at the given zero-relative index in the receiver. | |
| 321 * The text, icon and other attributes of the item are set to the default | |
| 322 * value. If the tree was created with the <code>DWT.VIRTUAL</code> style, | |
| 323 * these attributes are requested again as needed. | |
| 324 * | |
| 325 * @param index the index of the item to clear | |
| 326 * @param all <code>true</code> if all child items of the indexed item should be | |
| 327 * cleared recursively, and <code>false</code> otherwise | |
| 328 * | |
| 329 * @exception IllegalArgumentException <ul> | |
| 330 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> | |
| 331 * </ul> | |
| 332 * @exception DWTException <ul> | |
| 333 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 334 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 335 * </ul> | |
| 336 * | |
| 337 * @see DWT#VIRTUAL | |
| 338 * @see DWT#SetData | |
| 339 * | |
| 340 * @since 3.2 | |
| 341 */ | |
| 342 public void clear (int index, bool all) { | |
| 343 checkWidget (); | |
| 344 parent.clear (cast(GtkTreeIter*)handle, index, all); | |
| 345 } | |
| 346 | |
| 347 /** | |
| 348 * Clears all the items in the receiver. The text, icon and other | |
| 349 * attributes of the items are set to their default values. If the | |
| 350 * tree was created with the <code>DWT.VIRTUAL</code> style, these | |
| 351 * attributes are requested again as needed. | |
| 352 * | |
| 353 * @param all <code>true</code> if all child items should be cleared | |
| 354 * recursively, and <code>false</code> otherwise | |
| 355 * | |
| 356 * @exception DWTException <ul> | |
| 357 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 358 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 359 * </ul> | |
| 360 * | |
| 361 * @see DWT#VIRTUAL | |
| 362 * @see DWT#SetData | |
| 363 * | |
| 364 * @since 3.2 | |
| 365 */ | |
| 366 public void clearAll (bool all) { | |
| 367 checkWidget (); | |
| 368 parent.clearAll (all, cast(GtkTreeIter*)handle); | |
| 369 } | |
| 370 | |
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371 override void destroyWidget () { |
| 90 | 372 parent.releaseItem (this, false); |
| 373 parent.destroyItem (this); | |
| 374 releaseHandle (); | |
| 375 } | |
| 376 | |
| 377 /** | |
| 378 * Returns the receiver's background color. | |
| 379 * | |
| 380 * @return the background color | |
| 381 * | |
| 382 * @exception DWTException <ul> | |
| 383 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 384 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 385 * </ul> | |
| 386 * | |
| 387 * @since 2.0 | |
| 388 * | |
| 389 */ | |
| 390 public Color getBackground () { | |
| 391 checkWidget (); | |
| 392 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 240 | 393 return _getBackground (); |
| 90 | 394 } |
| 395 | |
| 396 /** | |
| 397 * Returns the background color at the given column index in the receiver. | |
| 398 * | |
| 399 * @param index the column index | |
| 400 * @return the background color | |
| 401 * | |
| 402 * @exception DWTException <ul> | |
| 403 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 404 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 405 * </ul> | |
| 406 * | |
| 407 * @since 3.1 | |
| 408 */ | |
| 409 public Color getBackground (int index) { | |
| 410 checkWidget (); | |
| 411 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 240 | 412 return _getBackground (index); |
| 90 | 413 } |
| 414 | |
| 415 /** | |
| 416 * Returns a rectangle describing the receiver's size and location | |
| 417 * relative to its parent at a column in the tree. | |
| 418 * | |
| 419 * @param index the index that specifies the column | |
| 420 * @return the receiver's bounding column rectangle | |
| 421 * | |
| 422 * @exception DWTException <ul> | |
| 423 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 424 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 425 * </ul> | |
| 426 * | |
| 427 * @since 3.1 | |
| 428 */ | |
| 429 public Rectangle getBounds (int index) { | |
| 430 // TODO fully test on early and later versions of GTK | |
| 431 checkWidget(); | |
| 432 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 433 auto parentHandle = parent.handle; | |
| 434 GtkTreeViewColumn* column; | |
| 435 if (index >= 0 && index < parent.columnCount) { | |
| 436 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 437 } else { | |
| 438 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 439 } | |
| 440 if (column is null) return new Rectangle (0, 0, 0, 0); | |
| 441 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 442 OS.gtk_widget_realize (parentHandle); | |
| 443 GdkRectangle rect; | |
| 444 OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); | |
| 240 | 445 if ((parent.getStyle () & DWT.MIRRORED) !is 0) rect.x = parent.getClientWidth () - rect.width - rect.x; |
| 90 | 446 |
| 447 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18) && OS.gtk_tree_view_get_expander_column (parentHandle) is column) { | |
| 448 int buffer; | |
| 449 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); | |
| 450 rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 451 rect.width -= buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 452 OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); | |
| 453 rect.x += buffer; | |
| 454 //rect.width -= buffer [0]; // TODO Is this required for some versions? | |
| 455 } | |
| 240 | 456 /* |
| 457 * Bug in GTK. In GTK 2.8.x, the cell area is left aligned even | |
| 458 * when the widget is mirrored. The fix is to sum up the indentation | |
| 459 * of the expanders. | |
| 460 */ | |
| 461 if ((parent.getStyle () & DWT.MIRRORED) !is 0 && (OS.GTK_VERSION < OS.buildVERSION (2, 10, 0))) { | |
| 462 int depth = OS.gtk_tree_path_get_depth (path); | |
| 463 int expanderSize; | |
| 464 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &expanderSize); | |
| 465 rect.x += depth * (expanderSize + TreeItem.EXPANDER_EXTRA_PADDING); | |
| 466 } | |
| 467 OS.gtk_tree_path_free (path); | |
| 90 | 468 |
| 469 if (index is 0 && (parent.style & DWT.CHECK) !is 0) { | |
| 470 if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { | |
| 471 int x, w; | |
| 472 OS.gtk_tree_view_column_cell_get_position (column, parent.checkRenderer, &x, &w); | |
| 473 rect.x += x + w; | |
| 474 rect.width -= x + w; | |
| 475 } else { | |
| 476 int w; | |
| 477 OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, &w, null); | |
| 478 int buffer; | |
| 479 OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); | |
| 480 rect.x += w + buffer; | |
| 481 rect.width -= w + buffer; | |
| 482 } | |
| 483 } | |
| 240 | 484 int width = OS.gtk_tree_view_column_get_visible (column) ? rect.width + 1 : 0; |
| 485 return new Rectangle (rect.x, rect.y, width, rect.height + 1); | |
| 90 | 486 } |
| 487 | |
| 488 /** | |
| 489 * Returns a rectangle describing the receiver's size and location | |
| 490 * relative to its parent. | |
| 491 * | |
| 492 * @return the receiver's bounding rectangle | |
| 493 * | |
| 494 * @exception DWTException <ul> | |
| 495 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 496 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 497 * </ul> | |
| 498 */ | |
| 499 public Rectangle getBounds () { | |
| 500 // TODO fully test on early and later versions of GTK | |
| 501 // shifted a bit too far right on later versions of GTK - however, old Tree also had this problem | |
| 502 checkWidget (); | |
| 503 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 504 auto parentHandle = parent.handle; | |
| 505 auto column = OS.gtk_tree_view_get_column (parentHandle, 0); | |
| 506 if (column is null) return new Rectangle (0, 0, 0, 0); | |
| 507 auto textRenderer = parent.getTextRenderer (column); | |
| 508 auto pixbufRenderer = parent.getPixbufRenderer (column); | |
| 509 if (textRenderer is null || pixbufRenderer is null) return new Rectangle (0, 0, 0, 0); | |
| 510 | |
| 511 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 512 OS.gtk_widget_realize (parentHandle); | |
| 513 | |
| 514 bool isExpander = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle) > 0; | |
| 515 bool isExpanded = cast(bool)OS.gtk_tree_view_row_expanded (parentHandle, path); | |
| 516 OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, isExpander, isExpanded); | |
| 517 | |
| 518 GdkRectangle rect; | |
| 519 OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); | |
| 240 | 520 if ((parent.getStyle () & DWT.MIRRORED) !is 0) rect.x = parent.getClientWidth () - rect.width - rect.x; |
| 90 | 521 int right = rect.x + rect.width; |
| 522 | |
| 523 int x, w; | |
| 524 parent.ignoreSize = true; | |
| 525 OS.gtk_cell_renderer_get_size (textRenderer, parentHandle, null, null, null, &w, null); | |
| 526 parent.ignoreSize = false; | |
| 527 rect.width = w; | |
| 528 int buffer; | |
| 529 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18) && OS.gtk_tree_view_get_expander_column (parentHandle) is column) { | |
| 530 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); | |
| 531 rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 532 } | |
| 240 | 533 /* |
| 534 * Bug in GTK. In GTK 2.8.x, the cell area is left aligned even | |
| 535 * when the widget is mirrored. The fix is to sum up the indentation | |
| 536 * of the expanders. | |
| 537 */ | |
| 538 if ((parent.getStyle () & DWT.MIRRORED) !is 0 && (OS.GTK_VERSION < OS.buildVERSION (2, 10, 0))) { | |
| 539 int depth = OS.gtk_tree_path_get_depth (path); | |
| 540 int expanderSize; | |
| 541 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &expanderSize); | |
| 542 rect.x += depth * (expanderSize + TreeItem.EXPANDER_EXTRA_PADDING); | |
| 543 } | |
| 544 OS.gtk_tree_path_free (path); | |
| 545 | |
| 90 | 546 OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); |
| 547 int horizontalSeparator = buffer; | |
| 548 rect.x += horizontalSeparator; | |
| 549 | |
| 550 if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { | |
| 551 OS.gtk_tree_view_column_cell_get_position (column, textRenderer, &x, null); | |
| 552 rect.x += x; | |
| 553 } else { | |
| 554 if ((parent.style & DWT.CHECK) !is 0) { | |
| 555 OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, &w, null); | |
| 556 rect.x += w + horizontalSeparator; | |
| 557 } | |
| 558 OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, &w, null); | |
| 559 rect.x += w + horizontalSeparator; | |
| 560 } | |
| 561 if (parent.columnCount > 0) { | |
| 562 if (rect.x + rect.width > right) { | |
| 563 rect.width = Math.max (0, right - rect.x); | |
| 564 } | |
| 565 } | |
| 240 | 566 int width = OS.gtk_tree_view_column_get_visible (column) ? rect.width + 1 : 0; |
| 567 return new Rectangle (rect.x, rect.y, width, rect.height + 1); | |
| 90 | 568 } |
| 569 | |
| 570 /** | |
| 571 * Returns <code>true</code> if the receiver is checked, | |
| 572 * and false otherwise. When the parent does not have | |
| 573 * the <code>CHECK style, return false. | |
| 574 * <p> | |
| 575 * | |
| 576 * @return the checked state | |
| 577 * | |
| 578 * @exception DWTException <ul> | |
| 579 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 580 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 581 * </ul> | |
| 582 */ | |
| 583 public bool getChecked () { | |
| 584 checkWidget(); | |
| 585 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 586 if ((parent.style & DWT.CHECK) is 0) return false; | |
| 240 | 587 return _getChecked (); |
| 90 | 588 } |
| 589 | |
| 590 /** | |
| 591 * Returns <code>true</code> if the receiver is expanded, | |
| 592 * and false otherwise. | |
| 593 * <p> | |
| 594 * | |
| 595 * @return the expanded state | |
| 596 * | |
| 597 * @exception DWTException <ul> | |
| 598 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 599 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 600 * </ul> | |
| 601 */ | |
| 602 public bool getExpanded () { | |
| 603 checkWidget(); | |
| 604 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 605 bool answer = cast(bool)OS.gtk_tree_view_row_expanded (parent.handle, path); | |
| 606 OS.gtk_tree_path_free (path); | |
| 607 return answer; | |
| 608 } | |
| 609 | |
| 610 /** | |
| 611 * Returns the font that the receiver will use to paint textual information for this item. | |
| 612 * | |
| 613 * @return the receiver's font | |
| 614 * | |
| 615 * @exception DWTException <ul> | |
| 616 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 617 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 618 * </ul> | |
| 619 * | |
| 620 * @since 3.0 | |
| 621 */ | |
| 622 public Font getFont () { | |
| 623 checkWidget (); | |
| 624 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 625 return font !is null ? font : parent.getFont (); | |
| 626 } | |
| 627 | |
| 628 /** | |
| 629 * Returns the font that the receiver will use to paint textual information | |
| 630 * for the specified cell in this item. | |
| 631 * | |
| 632 * @param index the column index | |
| 633 * @return the receiver's font | |
| 634 * | |
| 635 * @exception DWTException <ul> | |
| 636 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 637 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 638 * </ul> | |
| 639 * | |
| 640 * @since 3.1 | |
| 641 */ | |
| 642 public Font getFont (int index) { | |
| 643 checkWidget (); | |
| 644 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 645 int count = Math.max (1, parent.columnCount); | |
| 646 if (0 > index || index > count - 1) return getFont (); | |
| 647 if (cellFont is null || cellFont [index] is null) return getFont (); | |
| 648 return cellFont [index]; | |
| 649 } | |
| 650 | |
| 651 | |
| 652 /** | |
| 653 * Returns the foreground color that the receiver will use to draw. | |
| 654 * | |
| 655 * @return the receiver's foreground color | |
| 656 * | |
| 657 * @exception DWTException <ul> | |
| 658 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 659 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 660 * </ul> | |
| 661 * | |
| 662 * @since 2.0 | |
| 663 * | |
| 664 */ | |
| 665 public Color getForeground () { | |
| 666 checkWidget (); | |
| 667 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 240 | 668 return _getForeground (); |
| 90 | 669 } |
| 670 | |
| 671 /** | |
| 672 * | |
| 673 * Returns the foreground color at the given column index in the receiver. | |
| 674 * | |
| 675 * @param index the column index | |
| 676 * @return the foreground color | |
| 677 * | |
| 678 * @exception DWTException <ul> | |
| 679 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 680 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 681 * </ul> | |
| 682 * | |
| 683 * @since 3.1 | |
| 684 */ | |
| 685 public Color getForeground (int index) { | |
| 686 checkWidget (); | |
| 687 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 240 | 688 return _getForeground (index); |
| 90 | 689 } |
| 690 | |
| 691 /** | |
| 692 * Returns <code>true</code> if the receiver is grayed, | |
| 693 * and false otherwise. When the parent does not have | |
| 694 * the <code>CHECK style, return false. | |
| 695 * <p> | |
| 696 * | |
| 697 * @return the grayed state of the checkbox | |
| 698 * | |
| 699 * @exception DWTException <ul> | |
| 700 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 701 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 702 * </ul> | |
| 703 */ | |
| 704 public bool getGrayed () { | |
| 705 checkWidget (); | |
| 706 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 707 if ((parent.style & DWT.CHECK) is 0) return false; | |
| 708 return grayed; | |
| 709 } | |
| 710 | |
|
150
f2e04420fd6c
reworked overrides and superclass aliases
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
711 public override Image getImage () { |
| 90 | 712 checkWidget (); |
| 713 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 714 return getImage (0); | |
| 715 } | |
| 716 | |
| 717 /** | |
| 718 * Returns the image stored at the given column index in the receiver, | |
| 719 * or null if the image has not been set or if the column does not exist. | |
| 720 * | |
| 721 * @param index the column index | |
| 722 * @return the image stored at the given column index in the receiver | |
| 723 * | |
| 724 * @exception DWTException <ul> | |
| 725 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 726 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 727 * </ul> | |
| 728 * | |
| 729 * @since 3.1 | |
| 730 */ | |
| 731 public Image getImage (int index) { | |
| 732 checkWidget (); | |
| 733 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 240 | 734 return _getImage (index); |
| 90 | 735 } |
| 736 | |
| 737 /** | |
| 738 * Returns a rectangle describing the size and location | |
| 739 * relative to its parent of an image at a column in the | |
| 740 * tree. | |
| 741 * | |
| 742 * @param index the index that specifies the column | |
| 743 * @return the receiver's bounding image rectangle | |
| 744 * | |
| 745 * @exception DWTException <ul> | |
| 746 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 747 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 748 * </ul> | |
| 749 * | |
| 750 * @since 3.1 | |
| 751 */ | |
| 752 public Rectangle getImageBounds (int index) { | |
| 753 // TODO fully test on early and later versions of GTK | |
| 754 checkWidget (); | |
| 755 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 756 auto parentHandle = parent.handle; | |
| 757 GtkTreeViewColumn* column; | |
| 758 if (index >= 0 && index < parent.getColumnCount ()) { | |
| 759 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 760 } else { | |
| 761 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 762 } | |
| 763 if (column is null) return new Rectangle (0, 0, 0, 0); | |
| 764 auto pixbufRenderer = parent.getPixbufRenderer (column); | |
| 765 if (pixbufRenderer is null) return new Rectangle (0, 0, 0, 0); | |
| 766 GdkRectangle rect; | |
| 767 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 768 OS.gtk_widget_realize (parentHandle); | |
| 769 OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); | |
| 240 | 770 if ((parent.getStyle () & DWT.MIRRORED) !is 0) rect.x = parent.getClientWidth () - rect.width - rect.x; |
| 90 | 771 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18) && OS.gtk_tree_view_get_expander_column (parentHandle) is column) { |
| 772 int buffer; | |
| 773 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); | |
| 774 rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 775 rect.width -= buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 776 //OS.gtk_widget_style_get (parentHandle, OS.horizontal_separator, buffer, 0); | |
| 777 //int horizontalSeparator = buffer[0]; | |
| 778 //rect.x += horizontalSeparator; | |
| 779 } | |
| 240 | 780 /* |
| 781 * Bug in GTK. In GTK 2.8.x, the cell area is left aligned even | |
| 782 * when the widget is mirrored. The fix is to sum up the indentation | |
| 783 * of the expanders. | |
| 784 */ | |
| 785 if ((parent.getStyle () & DWT.MIRRORED) !is 0 && (OS.GTK_VERSION < OS.buildVERSION (2, 10, 0))) { | |
| 786 int depth = OS.gtk_tree_path_get_depth (path); | |
| 787 int expanderSize; | |
| 788 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &expanderSize); | |
| 789 rect.x += depth * (expanderSize + TreeItem.EXPANDER_EXTRA_PADDING); | |
| 790 } | |
| 791 OS.gtk_tree_path_free (path); | |
| 90 | 792 |
| 793 /* | |
| 794 * The OS call gtk_cell_renderer_get_size() provides the width of image to be drawn | |
| 795 * by the cell renderer. If there is no image in the cell, the width is zero. If the table contains | |
| 796 * images of varying widths, gtk_cell_renderer_get_size() will return the width of the image, | |
| 797 * not the width of the area in which the image is drawn. | |
| 798 * New API was added in GTK 2.1.3 for determining the full width of the renderer area. | |
| 799 * For earlier versions of GTK, the result is only correct if all rows have images of the same | |
| 800 * width. | |
| 801 */ | |
| 802 if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { | |
| 803 int x, w; | |
| 804 OS.gtk_tree_view_column_cell_get_position (column, pixbufRenderer, &x, &w); | |
| 805 rect.x += x; | |
| 806 rect.width = w; | |
| 807 } else { | |
| 808 int w; | |
| 809 OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, false, false); | |
| 810 OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, &w, null); | |
| 811 rect.width = w; | |
| 812 } | |
| 240 | 813 int width = OS.gtk_tree_view_column_get_visible (column) ? rect.width : 0; |
| 814 return new Rectangle (rect.x, rect.y, width, rect.height + 1); | |
| 90 | 815 } |
| 816 | |
| 817 /** | |
| 818 * Returns the number of items contained in the receiver | |
| 819 * that are direct item children of the receiver. | |
| 820 * | |
| 821 * @return the number of items | |
| 822 * | |
| 823 * @exception DWTException <ul> | |
| 824 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 825 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 826 * </ul> | |
| 827 */ | |
| 828 public int getItemCount () { | |
| 829 checkWidget(); | |
| 830 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 831 return OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle); | |
| 832 } | |
| 833 | |
| 834 /** | |
| 835 * Returns the item at the given, zero-relative index in the | |
| 836 * receiver. Throws an exception if the index is out of range. | |
| 837 * | |
| 838 * @param index the index of the item to return | |
| 839 * @return the item at the given index | |
| 840 * | |
| 841 * @exception IllegalArgumentException <ul> | |
| 842 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> | |
| 843 * </ul> | |
| 844 * @exception DWTException <ul> | |
| 845 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 846 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 847 * </ul> | |
| 848 * | |
| 849 * @since 3.1 | |
| 850 */ | |
| 851 public TreeItem getItem (int index) { | |
| 852 checkWidget(); | |
| 853 if (index < 0) error (DWT.ERROR_INVALID_RANGE); | |
| 854 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 855 int itemCount = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle); | |
| 856 if (index >= itemCount) error (DWT.ERROR_INVALID_RANGE); | |
| 857 return parent._getItem (cast(GtkTreeIter*)handle, index); | |
| 858 } | |
| 859 | |
| 860 /** | |
| 861 * Returns a (possibly empty) array of <code>TreeItem</code>s which | |
| 862 * are the direct item children of the receiver. | |
| 863 * <p> | |
| 864 * Note: This is not the actual structure used by the receiver | |
| 865 * to maintain its list of items, so modifying the array will | |
| 866 * not affect the receiver. | |
| 867 * </p> | |
| 868 * | |
| 869 * @return the receiver's items | |
| 870 * | |
| 871 * @exception DWTException <ul> | |
| 872 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 873 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 874 * </ul> | |
| 875 */ | |
| 876 public TreeItem [] getItems () { | |
| 877 checkWidget(); | |
| 878 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 879 return parent.getItems (cast(GtkTreeIter*)handle); | |
| 880 } | |
| 881 | |
| 238 | 882 override String getNameText () { |
| 90 | 883 if ((parent.style & DWT.VIRTUAL) !is 0) { |
| 884 if (!cached) return "*virtual*"; //$NON-NLS-1$ | |
| 885 } | |
| 886 return super.getNameText (); | |
| 887 } | |
| 888 | |
| 889 /** | |
| 890 * Returns the receiver's parent, which must be a <code>Tree</code>. | |
| 891 * | |
| 892 * @return the receiver's parent | |
| 893 * | |
| 894 * @exception DWTException <ul> | |
| 895 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 896 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 897 * </ul> | |
| 898 */ | |
| 899 public Tree getParent () { | |
| 900 checkWidget (); | |
| 901 return parent; | |
| 902 } | |
| 903 | |
| 904 /** | |
| 905 * Returns the receiver's parent item, which must be a | |
| 906 * <code>TreeItem</code> or null when the receiver is a | |
| 907 * root. | |
| 908 * | |
| 909 * @return the receiver's parent item | |
| 910 * | |
| 911 * @exception DWTException <ul> | |
| 912 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 913 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 914 * </ul> | |
| 915 */ | |
| 916 public TreeItem getParentItem () { | |
| 917 checkWidget(); | |
| 918 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 919 TreeItem item = null; | |
| 920 int depth = OS.gtk_tree_path_get_depth (path); | |
| 921 if (depth > 1) { | |
| 922 OS.gtk_tree_path_up (path); | |
| 923 GtkTreeIter iter; | |
| 924 if (OS.gtk_tree_model_get_iter (parent.modelHandle, &iter, path)) { | |
| 925 item = parent._getItem (&iter); | |
| 926 } | |
| 927 } | |
| 928 OS.gtk_tree_path_free (path); | |
| 929 return item; | |
| 930 } | |
| 931 | |
| 238 | 932 public override String getText () { |
| 90 | 933 checkWidget (); |
| 934 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 935 return getText (0); | |
| 936 } | |
| 937 | |
| 938 /** | |
| 939 * Returns the text stored at the given column index in the receiver, | |
| 940 * or empty string if the text has not been set. | |
| 941 * | |
| 942 * @param index the column index | |
| 943 * @return the text stored at the given column index in the receiver | |
| 944 * | |
| 945 * @exception DWTException <ul> | |
| 946 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 947 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 948 * </ul> | |
| 949 * | |
| 950 * @since 3.1 | |
| 951 */ | |
| 238 | 952 public String getText (int index) { |
| 90 | 953 checkWidget (); |
| 954 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 240 | 955 return _getText (index); |
| 90 | 956 } |
| 957 | |
| 958 /** | |
| 959 * Returns a rectangle describing the size and location | |
| 960 * relative to its parent of the text at a column in the | |
| 961 * tree. | |
| 962 * | |
| 963 * @param index the index that specifies the column | |
| 964 * @return the receiver's bounding text rectangle | |
| 965 * | |
| 966 * @exception DWTException <ul> | |
| 967 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 968 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 969 * </ul> | |
| 970 * | |
| 971 * @since 3.3 | |
| 972 */ | |
| 973 public Rectangle getTextBounds (int index) { | |
| 974 checkWidget (); | |
| 975 if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); | |
| 976 int count = Math.max (1, parent.getColumnCount ()); | |
| 977 if (0 > index || index > count - 1) return new Rectangle (0, 0, 0, 0); | |
| 978 // TODO fully test on early and later versions of GTK | |
| 979 // shifted a bit too far right on later versions of GTK - however, old Tree also had this problem | |
| 980 auto parentHandle = parent.handle; | |
| 981 GtkTreeViewColumn* column; | |
| 982 if (index >= 0 && index < parent.columnCount) { | |
| 983 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 984 } else { | |
| 985 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 986 } | |
| 987 if (column is null) return new Rectangle (0, 0, 0, 0); | |
| 988 auto textRenderer = parent.getTextRenderer (column); | |
| 989 auto pixbufRenderer = parent.getPixbufRenderer (column); | |
| 990 if (textRenderer is null || pixbufRenderer is null) return new Rectangle (0, 0, 0, 0); | |
| 991 | |
| 992 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 993 OS.gtk_widget_realize (parentHandle); | |
| 994 | |
| 995 bool isExpander = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle) > 0; | |
| 996 bool isExpanded = cast(bool)OS.gtk_tree_view_row_expanded (parentHandle, path); | |
| 997 OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, isExpander, isExpanded); | |
| 998 | |
| 999 GdkRectangle rect; | |
| 1000 OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); | |
| 240 | 1001 if ((parent.getStyle () & DWT.MIRRORED) !is 0) rect.x = parent.getClientWidth () - rect.width - rect.x; |
| 90 | 1002 int right = rect.x + rect.width; |
| 1003 | |
| 1004 int x, w; | |
| 1005 parent.ignoreSize = true; | |
| 1006 OS.gtk_cell_renderer_get_size (textRenderer, parentHandle, null, null, null, &w, null); | |
| 1007 parent.ignoreSize = false; | |
| 1008 int buffer; | |
| 1009 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18) && OS.gtk_tree_view_get_expander_column (parentHandle) is column) { | |
| 1010 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); | |
| 1011 rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 1012 } | |
| 240 | 1013 /* |
| 1014 * Bug in GTK. In GTK 2.8.x, the cell area is left aligned even | |
| 1015 * when the widget is mirrored. The fix is to sum up the indentation | |
| 1016 * of the expanders. | |
| 1017 */ | |
| 1018 if ((parent.getStyle () & DWT.MIRRORED) !is 0 && (OS.GTK_VERSION < OS.buildVERSION (2, 10, 0))) { | |
| 1019 int depth = OS.gtk_tree_path_get_depth (path); | |
| 1020 int expanderSize; | |
| 1021 OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &expanderSize); | |
| 1022 rect.x += depth * (expanderSize + TreeItem.EXPANDER_EXTRA_PADDING); | |
| 1023 } | |
| 1024 OS.gtk_tree_path_free (path); | |
| 1025 | |
| 90 | 1026 OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); |
| 1027 int horizontalSeparator = buffer; | |
| 1028 rect.x += horizontalSeparator; | |
| 1029 if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { | |
| 1030 OS.gtk_tree_view_column_cell_get_position (column, textRenderer, &x, null); | |
| 1031 rect.x += x; | |
| 1032 } else { | |
| 1033 if ((parent.style & DWT.CHECK) !is 0) { | |
| 1034 OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, &w, null); | |
| 1035 rect.x += w + horizontalSeparator; | |
| 1036 } | |
| 1037 OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, &w, null); | |
| 1038 rect.x += w + horizontalSeparator; | |
| 1039 } | |
| 1040 if (parent.columnCount > 0) { | |
| 1041 if (rect.x + rect.width > right) { | |
| 1042 rect.width = Math.max (0, right - rect.x); | |
| 1043 } | |
| 1044 } | |
| 240 | 1045 int width = OS.gtk_tree_view_column_get_visible (column) ? rect.width + 1 : 0; |
| 1046 return new Rectangle (rect.x, rect.y, width, rect.height + 1); | |
| 90 | 1047 } |
| 1048 | |
| 1049 /** | |
| 1050 * Searches the receiver's list starting at the first item | |
| 1051 * (index 0) until an item is found that is equal to the | |
| 1052 * argument, and returns the index of that item. If no item | |
| 1053 * is found, returns -1. | |
| 1054 * | |
| 1055 * @param item the search item | |
| 1056 * @return the index of the item | |
| 1057 * | |
| 1058 * @exception IllegalArgumentException <ul> | |
| 1059 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
| 1060 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
| 1061 * </ul> | |
| 1062 * @exception DWTException <ul> | |
| 1063 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1064 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1065 * </ul> | |
| 1066 * | |
| 1067 * @since 3.1 | |
| 1068 */ | |
| 1069 public int indexOf (TreeItem item) { | |
| 1070 checkWidget(); | |
| 1071 if (item is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 1072 if (item.isDisposed()) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 1073 int index = -1; | |
| 1074 bool isParent = false; | |
| 1075 auto currentPath = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 1076 auto parentPath = OS.gtk_tree_model_get_path (parent.modelHandle, item.handle); | |
| 1077 int depth = OS.gtk_tree_path_get_depth (parentPath); | |
| 1078 if (depth > 1 && OS.gtk_tree_path_up(parentPath)) { | |
| 1079 if (OS.gtk_tree_path_compare(currentPath, parentPath) is 0) isParent = true; | |
| 1080 } | |
| 1081 OS.gtk_tree_path_free (currentPath); | |
| 1082 OS.gtk_tree_path_free (parentPath); | |
| 1083 if (!isParent) return index; | |
| 1084 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, item.handle); | |
| 1085 if (depth > 1) { | |
| 1086 auto indices = OS.gtk_tree_path_get_indices (path); | |
| 1087 if (indices !is null) { | |
| 1088 int[] temp = indices[ 0 .. depth]; | |
| 1089 index = temp[temp.length - 1]; | |
| 1090 } | |
| 1091 } | |
| 1092 OS.gtk_tree_path_free (path); | |
| 1093 return index; | |
| 1094 } | |
| 1095 | |
| 1096 void redraw () { | |
| 1097 auto parentHandle = parent.handle; | |
| 1098 if ((OS.GTK_WIDGET_FLAGS (parentHandle) & OS.GTK_REALIZED) !is 0) { | |
| 1099 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 1100 GdkRectangle rect; | |
| 1101 OS.gtk_tree_view_get_cell_area (parentHandle, path, null, &rect); | |
| 1102 OS.gtk_tree_path_free (path); | |
| 1103 auto window = OS.gtk_tree_view_get_bin_window (parentHandle); | |
| 1104 rect.x = 0; | |
| 1105 int w, h; | |
| 1106 OS.gdk_drawable_get_size (window, &w, &h); | |
| 1107 rect.width = w; | |
| 1108 OS.gdk_window_invalidate_rect (window, &rect, false); | |
| 1109 } | |
| 1110 } | |
| 1111 | |
|
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1112 override void releaseChildren (bool destroy) { |
| 90 | 1113 if (destroy) { |
| 1114 parent.releaseItems (cast(GtkTreeIter*)handle); | |
| 1115 } | |
| 1116 super.releaseChildren (destroy); | |
| 1117 } | |
| 1118 | |
| 1119 override void releaseHandle () { | |
| 1120 if (handle !is null) OS.g_free (handle); | |
| 1121 handle = null; | |
| 1122 super.releaseHandle (); | |
| 1123 parent = null; | |
| 1124 } | |
| 1125 | |
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1126 override void releaseWidget () { |
| 90 | 1127 super.releaseWidget (); |
| 1128 font = null; | |
| 1129 cellFont = null; | |
| 1130 } | |
| 1131 | |
| 1132 /** | |
| 1133 * Removes all of the items from the receiver. | |
| 1134 * <p> | |
| 1135 * @exception DWTException <ul> | |
| 1136 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1137 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1138 * </ul> | |
| 1139 * | |
| 1140 * @since 3.1 | |
| 1141 */ | |
| 1142 public void removeAll () { | |
| 1143 checkWidget (); | |
| 1144 int length = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle); | |
| 1145 if (length is 0) return; | |
| 1146 GtkTreeIter iter; | |
| 1147 int index; | |
| 1148 while (OS.gtk_tree_model_iter_children (parent.modelHandle, &iter, handle)) { | |
| 1149 OS.gtk_tree_model_get1 (parent.modelHandle, &iter, Tree.ID_COLUMN, cast(void**)&index); | |
| 1150 if (index !is -1) { | |
| 1151 TreeItem item = parent.items [index]; | |
| 1152 if (item !is null && !item.isDisposed ()) { | |
| 1153 item.dispose (); | |
| 1154 } | |
| 1155 } | |
| 1156 } | |
| 1157 } | |
| 1158 | |
| 1159 /** | |
| 1160 * Sets the receiver's background color to the color specified | |
| 1161 * by the argument, or to the default system color for the item | |
| 1162 * if the argument is null. | |
| 1163 * | |
| 1164 * @param color the new color (or null) | |
| 1165 * | |
| 1166 * @exception IllegalArgumentException <ul> | |
| 1167 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1168 * </ul> | |
| 1169 * @exception DWTException <ul> | |
| 1170 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1171 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1172 * </ul> | |
| 1173 * | |
| 1174 * @since 2.0 | |
| 1175 * | |
| 1176 */ | |
| 1177 public void setBackground (Color color) { | |
| 1178 checkWidget (); | |
| 1179 if (color !is null && color.isDisposed ()) { | |
| 1180 DWT.error (DWT.ERROR_INVALID_ARGUMENT); | |
| 1181 } | |
| 240 | 1182 if (_getBackground ().opEquals (color)) return; |
| 90 | 1183 GdkColor* gdkColor = color !is null ? color.handle : null; |
| 1184 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.BACKGROUND_COLUMN, gdkColor); | |
| 1185 /* | |
| 1186 * Bug in GTK. When using fixed-height-mode, | |
| 1187 * row changes do not cause the row to be repainted. The fix is to | |
| 1188 * invalidate the row when it is cleared. | |
| 1189 */ | |
| 1190 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 1191 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1192 redraw (); | |
| 1193 } | |
| 1194 } | |
| 1195 cached = true; | |
| 1196 } | |
| 1197 | |
| 1198 /** | |
| 1199 * Sets the background color at the given column index in the receiver | |
| 1200 * to the color specified by the argument, or to the default system color for the item | |
| 1201 * if the argument is null. | |
| 1202 * | |
| 1203 * @param index the column index | |
| 1204 * @param color the new color (or null) | |
| 1205 * | |
| 1206 * @exception IllegalArgumentException <ul> | |
| 1207 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1208 * </ul> | |
| 1209 * @exception DWTException <ul> | |
| 1210 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1211 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1212 * </ul> | |
| 1213 * | |
| 1214 * @since 3.1 | |
| 1215 * | |
| 1216 */ | |
| 1217 public void setBackground (int index, Color color) { | |
| 1218 checkWidget (); | |
| 1219 if (color !is null && color.isDisposed ()) { | |
| 1220 DWT.error (DWT.ERROR_INVALID_ARGUMENT); | |
| 1221 } | |
| 240 | 1222 if (_getBackground (index).opEquals (color)) return; |
| 90 | 1223 int count = Math.max (1, parent.getColumnCount ()); |
| 1224 if (0 > index || index > count - 1) return; | |
| 1225 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 1226 GdkColor* gdkColor = color !is null ? color.handle : null; | |
| 1227 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_BACKGROUND, gdkColor); | |
| 1228 /* | |
| 1229 * Bug in GTK. When using fixed-height-mode, | |
| 1230 * row changes do not cause the row to be repainted. The fix is to | |
| 1231 * invalidate the row when it is cleared. | |
| 1232 */ | |
| 1233 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 1234 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1235 redraw (); | |
| 1236 } | |
| 1237 } | |
| 1238 cached = true; | |
| 1239 | |
| 1240 if (color !is null) { | |
| 1241 bool customDraw = (parent.columnCount is 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; | |
| 1242 if (!customDraw) { | |
| 1243 if ((parent.style & DWT.VIRTUAL) is 0) { | |
| 1244 auto parentHandle = parent.handle; | |
| 1245 GtkTreeViewColumn* column; | |
| 1246 if (parent.columnCount > 0) { | |
| 1247 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 1248 } else { | |
| 1249 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 1250 } | |
| 1251 if (column is null) return; | |
| 1252 auto textRenderer = parent.getTextRenderer (column); | |
| 1253 auto imageRenderer = parent.getPixbufRenderer (column); | |
| 1254 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)textRenderer ); | |
| 1255 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)imageRenderer ); | |
| 1256 } | |
| 1257 if (parent.columnCount is 0) { | |
| 1258 parent.firstCustomDraw = true; | |
| 1259 } else { | |
| 1260 parent.columns [index].customDraw = true; | |
| 1261 } | |
| 1262 } | |
| 1263 } | |
| 1264 } | |
| 1265 | |
| 1266 /** | |
| 1267 * Sets the checked state of the receiver. | |
| 1268 * <p> | |
| 1269 * | |
| 1270 * @param checked the new checked state | |
| 1271 * | |
| 1272 * @exception DWTException <ul> | |
| 1273 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1274 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1275 * </ul> | |
| 1276 */ | |
| 1277 public void setChecked (bool checked) { | |
| 1278 checkWidget(); | |
| 1279 if ((parent.style & DWT.CHECK) is 0) return; | |
| 240 | 1280 if (_getChecked () is checked) return; |
| 90 | 1281 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.CHECKED_COLUMN, cast(void*)cast(int)checked); |
| 1282 /* | |
| 1283 * GTK+'s "inconsistent" state does not match DWT's concept of grayed. To | |
| 1284 * show checked+grayed differently from unchecked+grayed, we must toggle the | |
| 1285 * grayed state on check and uncheck. | |
| 1286 */ | |
| 1287 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.GRAYED_COLUMN, cast(void*)cast(int)( !checked ? false : grayed)); | |
| 1288 cached = true; | |
| 1289 } | |
| 1290 | |
| 1291 /** | |
| 1292 * Sets the expanded state of the receiver. | |
| 1293 * <p> | |
| 1294 * | |
| 1295 * @param expanded the new expanded state | |
| 1296 * | |
| 1297 * @exception DWTException <ul> | |
| 1298 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1299 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1300 * </ul> | |
| 1301 */ | |
| 1302 public void setExpanded (bool expanded) { | |
| 1303 checkWidget(); | |
| 1304 auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); | |
| 1305 if (expanded) { | |
| 1306 OS.g_signal_handlers_block_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_EXPAND_ROW); | |
| 1307 OS.gtk_tree_view_expand_row (parent.handle, path, false); | |
| 1308 OS.g_signal_handlers_unblock_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_EXPAND_ROW); | |
| 1309 } else { | |
| 1310 OS.g_signal_handlers_block_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_COLLAPSE_ROW); | |
| 1311 OS.gtk_widget_realize (parent.handle); | |
| 1312 OS.gtk_tree_view_collapse_row (parent.handle, path); | |
| 1313 OS.g_signal_handlers_unblock_matched (parent.handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_COLLAPSE_ROW); | |
| 1314 } | |
| 1315 OS.gtk_tree_path_free (path); | |
| 1316 cached = true; | |
| 1317 } | |
| 1318 | |
| 1319 | |
| 1320 /** | |
| 1321 * Sets the font that the receiver will use to paint textual information | |
| 1322 * for this item to the font specified by the argument, or to the default font | |
| 1323 * for that kind of control if the argument is null. | |
| 1324 * | |
| 1325 * @param font the new font (or null) | |
| 1326 * | |
| 1327 * @exception IllegalArgumentException <ul> | |
| 1328 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1329 * </ul> | |
| 1330 * @exception DWTException <ul> | |
| 1331 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1332 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1333 * </ul> | |
| 1334 * | |
| 1335 * @since 3.0 | |
| 1336 */ | |
| 1337 public void setFont (Font font){ | |
| 1338 checkWidget (); | |
| 1339 if (font !is null && font.isDisposed ()) { | |
| 1340 DWT.error (DWT.ERROR_INVALID_ARGUMENT); | |
| 1341 } | |
| 240 | 1342 Font oldFont = this.font; |
| 1343 if (oldFont is font) return; | |
| 90 | 1344 this.font = font; |
| 240 | 1345 if (oldFont !is null && oldFont.opEquals (font)) return; |
| 1346 void* fontHandle = font !is null ? font.handle : null; | |
| 90 | 1347 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.FONT_COLUMN, fontHandle); |
| 1348 /* | |
| 1349 * Bug in GTK. When using fixed-height-mode, | |
| 1350 * row changes do not cause the row to be repainted. The fix is to | |
| 1351 * invalidate the row when it is cleared. | |
| 1352 */ | |
| 1353 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 1354 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1355 redraw (); | |
| 1356 } | |
| 1357 } | |
| 1358 cached = true; | |
| 1359 } | |
| 1360 | |
| 1361 /** | |
| 1362 * Sets the font that the receiver will use to paint textual information | |
| 1363 * for the specified cell in this item to the font specified by the | |
| 1364 * argument, or to the default font for that kind of control if the | |
| 1365 * argument is null. | |
| 1366 * | |
| 1367 * @param index the column index | |
| 1368 * @param font the new font (or null) | |
| 1369 * | |
| 1370 * @exception IllegalArgumentException <ul> | |
| 1371 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1372 * </ul> | |
| 1373 * @exception DWTException <ul> | |
| 1374 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1375 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1376 * </ul> | |
| 1377 * | |
| 1378 * @since 3.1 | |
| 1379 */ | |
| 1380 public void setFont (int index, Font font) { | |
| 1381 checkWidget (); | |
| 1382 if (font !is null && font.isDisposed ()) { | |
| 1383 DWT.error (DWT.ERROR_INVALID_ARGUMENT); | |
| 1384 } | |
| 1385 int count = Math.max (1, parent.getColumnCount ()); | |
| 1386 if (0 > index || index > count - 1) return; | |
| 1387 if (cellFont is null) { | |
| 240 | 1388 if (font is null) return; |
| 90 | 1389 cellFont = new Font [count]; |
| 1390 } | |
| 240 | 1391 Font oldFont = cellFont [index]; |
| 1392 if (oldFont is font) return; | |
| 90 | 1393 cellFont [index] = font; |
| 240 | 1394 if (oldFont !is null && oldFont.opEquals (font)) return; |
| 90 | 1395 |
| 1396 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 1397 auto fontHandle = font !is null ? font.handle : null; | |
| 1398 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_FONT, fontHandle); | |
| 1399 /* | |
| 1400 * Bug in GTK. When using fixed-height-mode, | |
| 1401 * row changes do not cause the row to be repainted. The fix is to | |
| 1402 * invalidate the row when it is cleared. | |
| 1403 */ | |
| 1404 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 1405 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1406 redraw (); | |
| 1407 } | |
| 1408 } | |
| 1409 cached = true; | |
| 1410 | |
| 1411 if (font !is null) { | |
| 1412 bool customDraw = (parent.columnCount is 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; | |
| 1413 if (!customDraw) { | |
| 1414 if ((parent.style & DWT.VIRTUAL) is 0) { | |
| 1415 auto parentHandle = parent.handle; | |
| 1416 GtkTreeViewColumn* column; | |
| 1417 if (parent.columnCount > 0) { | |
| 1418 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 1419 } else { | |
| 1420 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 1421 } | |
| 1422 if (column is null) return; | |
| 1423 auto textRenderer = parent.getTextRenderer (column); | |
| 1424 auto imageRenderer = parent.getPixbufRenderer (column); | |
| 1425 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)textRenderer ); | |
| 1426 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)imageRenderer ); | |
| 1427 } | |
| 1428 if (parent.columnCount is 0) { | |
| 1429 parent.firstCustomDraw = true; | |
| 1430 } else { | |
| 1431 parent.columns [index].customDraw = true; | |
| 1432 } | |
| 1433 } | |
| 1434 } | |
| 1435 } | |
| 1436 | |
| 1437 /** | |
| 1438 * Sets the receiver's foreground color to the color specified | |
| 1439 * by the argument, or to the default system color for the item | |
| 1440 * if the argument is null. | |
| 1441 * | |
| 1442 * @param color the new color (or null) | |
| 1443 * | |
| 1444 * @since 2.0 | |
| 1445 * | |
| 1446 * @exception IllegalArgumentException <ul> | |
| 1447 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1448 * </ul> | |
| 1449 * @exception DWTException <ul> | |
| 1450 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1451 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1452 * </ul> | |
| 1453 * | |
| 1454 * @since 2.0 | |
| 1455 * | |
| 1456 */ | |
| 1457 public void setForeground (Color color){ | |
| 1458 checkWidget (); | |
| 1459 if (color !is null && color.isDisposed ()) { | |
| 1460 DWT.error (DWT.ERROR_INVALID_ARGUMENT); | |
| 1461 } | |
| 240 | 1462 if (_getForeground ().opEquals (color)) return; |
| 90 | 1463 GdkColor *gdkColor = color !is null ? color.handle : null; |
| 1464 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.FOREGROUND_COLUMN, gdkColor); | |
| 1465 /* | |
| 1466 * Bug in GTK. When using fixed-height-mode, | |
| 1467 * row changes do not cause the row to be repainted. The fix is to | |
| 1468 * invalidate the row when it is cleared. | |
| 1469 */ | |
| 1470 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 1471 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1472 redraw (); | |
| 1473 } | |
| 1474 } | |
| 1475 cached = true; | |
| 1476 } | |
| 1477 | |
| 1478 /** | |
| 1479 * Sets the foreground color at the given column index in the receiver | |
| 1480 * to the color specified by the argument, or to the default system color for the item | |
| 1481 * if the argument is null. | |
| 1482 * | |
| 1483 * @param index the column index | |
| 1484 * @param color the new color (or null) | |
| 1485 * | |
| 1486 * @exception IllegalArgumentException <ul> | |
| 1487 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 1488 * </ul> | |
| 1489 * @exception DWTException <ul> | |
| 1490 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1491 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1492 * </ul> | |
| 1493 * | |
| 1494 * @since 3.1 | |
| 1495 * | |
| 1496 */ | |
| 1497 public void setForeground (int index, Color color){ | |
| 1498 checkWidget (); | |
| 1499 if (color !is null && color.isDisposed ()) { | |
| 1500 DWT.error (DWT.ERROR_INVALID_ARGUMENT); | |
| 1501 } | |
| 240 | 1502 if (_getForeground (index).opEquals (color)) return; |
| 90 | 1503 int count = Math.max (1, parent.getColumnCount ()); |
| 1504 if (0 > index || index > count - 1) return; | |
| 1505 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 1506 GdkColor *gdkColor = color !is null ? color.handle : null; | |
| 1507 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_FOREGROUND, gdkColor); | |
| 1508 /* | |
| 1509 * Bug in GTK. When using fixed-height-mode, | |
| 1510 * row changes do not cause the row to be repainted. The fix is to | |
| 1511 * invalidate the row when it is cleared. | |
| 1512 */ | |
| 1513 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 1514 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1515 redraw (); | |
| 1516 } | |
| 1517 } | |
| 1518 cached = true; | |
| 1519 | |
| 1520 if (color !is null) { | |
| 1521 bool customDraw = (parent.columnCount is 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; | |
| 1522 if (!customDraw) { | |
| 1523 if ((parent.style & DWT.VIRTUAL) is 0) { | |
| 1524 auto parentHandle = parent.handle; | |
| 1525 GtkTreeViewColumn* column; | |
| 1526 if (parent.columnCount > 0) { | |
| 1527 column = cast(GtkTreeViewColumn*)parent.columns [index].handle; | |
| 1528 } else { | |
| 1529 column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 1530 } | |
| 1531 if (column is null) return; | |
| 1532 auto textRenderer = parent.getTextRenderer (column); | |
| 1533 auto imageRenderer = parent.getPixbufRenderer (column); | |
| 1534 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)textRenderer ); | |
| 1535 display.doCellDataProc( parentHandle, cast(GtkTreeViewColumn*)column, cast(GtkCellRenderer*)imageRenderer ); | |
| 1536 } | |
| 1537 if (parent.columnCount is 0) { | |
| 1538 parent.firstCustomDraw = true; | |
| 1539 } else { | |
| 1540 parent.columns [index].customDraw = true; | |
| 1541 } | |
| 1542 } | |
| 1543 } | |
| 1544 } | |
| 1545 | |
| 1546 /** | |
| 1547 * Sets the grayed state of the checkbox for this item. This state change | |
| 1548 * only applies if the Tree was created with the DWT.CHECK style. | |
| 1549 * | |
| 1550 * @param grayed the new grayed state of the checkbox | |
| 1551 * | |
| 1552 * @exception DWTException <ul> | |
| 1553 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1554 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1555 * </ul> | |
| 1556 */ | |
| 1557 public void setGrayed (bool grayed) { | |
| 1558 checkWidget(); | |
| 1559 if ((parent.style & DWT.CHECK) is 0) return; | |
| 240 | 1560 if (this.grayed is grayed) return; |
| 90 | 1561 this.grayed = grayed; |
| 1562 /* | |
| 1563 * GTK+'s "inconsistent" state does not match DWT's concept of grayed. | |
| 1564 * Render checked+grayed as "inconsistent", unchecked+grayed as blank. | |
| 1565 */ | |
| 1566 void* ptr; | |
| 1567 OS.gtk_tree_model_get1 (parent.modelHandle, handle, Tree.CHECKED_COLUMN, &ptr); | |
| 1568 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, Tree.GRAYED_COLUMN, cast(void*)cast(int)( ptr is null ? false : grayed)); | |
| 1569 cached = true; | |
| 1570 } | |
| 1571 | |
| 1572 /** | |
| 1573 * Sets the receiver's image at a column. | |
| 1574 * | |
| 1575 * @param index the column index | |
| 1576 * @param image the new image | |
| 1577 * | |
| 1578 * @exception IllegalArgumentException <ul> | |
| 1579 * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> | |
| 1580 * </ul> | |
| 1581 * @exception DWTException <ul> | |
| 1582 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1583 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1584 * </ul> | |
| 1585 * | |
| 1586 * @since 3.1 | |
| 1587 */ | |
| 1588 public void setImage (int index, Image image) { | |
| 1589 checkWidget (); | |
| 1590 if (image !is null && image.isDisposed()) { | |
| 1591 error(DWT.ERROR_INVALID_ARGUMENT); | |
| 1592 } | |
| 240 | 1593 if (image !is null && image.type is DWT.ICON) { |
| 1594 if (image.opEquals (_getImage (index))) return; | |
| 1595 } | |
| 90 | 1596 int count = Math.max (1, parent.getColumnCount ()); |
| 1597 if (0 > index || index > count - 1) return; | |
| 1598 GdkPixbuf* pixbuf; | |
| 1599 if (image !is null) { | |
| 1600 ImageList imageList = parent.imageList; | |
| 1601 if (imageList is null) imageList = parent.imageList = new ImageList (); | |
| 1602 int imageIndex = imageList.indexOf (image); | |
| 1603 if (imageIndex is -1) imageIndex = imageList.add (image); | |
| 1604 pixbuf = imageList.getPixbuf (imageIndex); | |
| 1605 } | |
| 1606 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; | |
| 1607 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_PIXBUF, pixbuf); | |
| 1608 /* | |
| 1609 * Bug in GTK. When using fixed-height-mode, | |
| 1610 * row changes do not cause the row to be repainted. The fix is to | |
| 1611 * invalidate the row when the image changes. | |
| 1612 */ | |
| 1613 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 1614 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1615 if (parent.columnCount is 0) { | |
| 1616 redraw (); | |
| 1617 } | |
| 1618 } | |
| 1619 } | |
| 1620 /* | |
| 1621 * Bug in GTK. When using fixed-height-mode, GTK does not recalculate the cell renderer width | |
| 1622 * when the image is changed in the model. The fix is to force it to recalculate the width if | |
| 1623 * more space is required. | |
| 1624 */ | |
| 1625 if ((parent.style & DWT.VIRTUAL) !is 0 && parent.currentItem is null) { | |
| 1626 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2)) { | |
| 1627 if (image !is null) { | |
| 1628 auto parentHandle = parent.handle; | |
| 1629 auto column = OS.gtk_tree_view_get_column (parentHandle, index); | |
| 1630 int w; | |
| 1631 auto pixbufRenderer = parent.getPixbufRenderer(column); | |
| 1632 OS.gtk_tree_view_column_cell_get_position (column, pixbufRenderer, null, &w); | |
| 1633 if (w < image.getBounds().width) { | |
| 1634 /* | |
| 1635 * There is no direct way to clear the cell renderer width so we | |
| 1636 * are relying on the fact that it is done as part of modifying | |
| 1637 * the style. | |
| 1638 */ | |
| 1639 auto style = OS.gtk_widget_get_modifier_style (parentHandle); | |
| 240 | 1640 parent.modifyStyle (parentHandle, style); |
| 90 | 1641 } |
| 1642 } | |
| 1643 } | |
| 1644 } | |
| 1645 cached = true; | |
| 1646 } | |
| 1647 | |
|
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1648 public override void setImage (Image image) { |
| 90 | 1649 checkWidget (); |
| 1650 setImage (0, image); | |
| 1651 } | |
| 1652 | |
| 1653 /** | |
| 1654 * Sets the image for multiple columns in the tree. | |
| 1655 * | |
| 1656 * @param images the array of new images | |
| 1657 * | |
| 1658 * @exception IllegalArgumentException <ul> | |
| 1659 * <li>ERROR_INVALID_ARGUMENT - if one of the images has been disposed</li> | |
| 1660 * </ul> | |
| 1661 * @exception DWTException <ul> | |
| 1662 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1663 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1664 * </ul> | |
| 1665 * | |
| 1666 * @since 3.1 | |
| 1667 */ | |
| 1668 public void setImage (Image [] images) { | |
| 1669 checkWidget (); | |
|
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1670 // DWT extension: allow null for zero length string |
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1671 //if (images is null) error (DWT.ERROR_NULL_ARGUMENT); |
| 90 | 1672 for (int i=0; i<images.length; i++) { |
| 1673 setImage (i, images [i]); | |
| 1674 } | |
| 1675 } | |
| 1676 | |
| 1677 /** | |
| 1678 * Sets the number of child items contained in the receiver. | |
| 1679 * | |
| 1680 * @param count the number of items | |
| 1681 * | |
| 1682 * @exception DWTException <ul> | |
| 1683 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1684 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1685 * </ul> | |
| 1686 * | |
| 1687 * @since 3.2 | |
| 1688 */ | |
| 1689 public void setItemCount (int count) { | |
| 1690 checkWidget (); | |
| 1691 count = Math.max (0, count); | |
| 1692 parent.setItemCount (cast(GtkTreeIter*)handle, count); | |
| 1693 } | |
| 1694 | |
| 1695 /** | |
| 1696 * Sets the receiver's text at a column | |
| 1697 * | |
| 1698 * @param index the column index | |
| 1699 * @param string the new text | |
| 1700 * | |
| 1701 * @exception DWTException <ul> | |
| 1702 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1703 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1704 * </ul> | |
| 1705 * | |
| 1706 * @since 3.1 | |
| 1707 */ | |
| 238 | 1708 public void setText (int index, String string) { |
| 90 | 1709 checkWidget (); |
|
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1710 // DWT extension: allow null for zero length string |
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1711 //if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
| 240 | 1712 if (_getText (index).equals (string)) return; |
| 90 | 1713 int count = Math.max (1, parent.getColumnCount ()); |
| 1714 if (0 > index || index > count - 1) return; | |
|
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1715 char* buffer = toStringz(string); |
| 90 | 1716 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; |
| 1717 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_TEXT, buffer); | |
| 1718 /* | |
| 1719 * Bug in GTK. When using fixed-height-mode, | |
| 1720 * row changes do not cause the row to be repainted. The fix is to | |
| 1721 * invalidate the row when the text changes. | |
| 1722 */ | |
| 1723 if ((parent.style & DWT.VIRTUAL) !is 0) { | |
| 1724 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { | |
| 1725 redraw (); | |
| 1726 } | |
| 1727 } | |
| 1728 cached = true; | |
| 1729 } | |
| 1730 | |
| 238 | 1731 public override void setText (String string) { |
| 90 | 1732 checkWidget (); |
| 1733 setText (0, string); | |
| 1734 } | |
| 1735 | |
| 1736 /** | |
| 1737 * Sets the text for multiple columns in the tree. | |
| 1738 * | |
| 1739 * @param strings the array of new strings | |
| 1740 * | |
| 1741 * @exception DWTException <ul> | |
| 1742 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1743 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1744 * </ul> | |
| 1745 * | |
| 1746 * @since 3.1 | |
| 1747 */ | |
| 238 | 1748 public void setText (String [] strings) { |
| 90 | 1749 checkWidget (); |
|
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1750 // DWT extension: allow null for zero length string |
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1751 //if (strings is null) error (DWT.ERROR_NULL_ARGUMENT); |
| 90 | 1752 for (int i=0; i<strings.length; i++) { |
| 238 | 1753 String string = strings [i]; |
| 90 | 1754 if (string !is null) setText (i, string); |
| 1755 } | |
| 1756 } | |
| 1757 } |