Mercurial > projects > dwt-linux
annotate dwt/widgets/Tree.d @ 211:00180515eb65
Update to SWT 3.3.2
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Wed, 19 Mar 2008 21:36:28 +0100 |
| parents | 08789b28bdf3 |
| children | 8e159d7052e0 |
| rev | line source |
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1 /******************************************************************************* |
| 90 | 2 * Copyright (c) 2000, 2007 IBM Corporation and others. |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 108 | 10 * Port to the D programming language: |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 90 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.Tree; | |
| 14 | |
| 15 | |
| 16 | |
| 17 import dwt.DWT; | |
| 18 import dwt.DWTException; | |
| 19 import dwt.events.SelectionEvent; | |
| 20 import dwt.events.SelectionListener; | |
| 21 import dwt.events.TreeListener; | |
| 22 import dwt.graphics.Color; | |
| 23 import dwt.graphics.Font; | |
| 24 import dwt.graphics.GC; | |
| 25 import dwt.graphics.Image; | |
| 26 import dwt.graphics.Point; | |
| 27 import dwt.graphics.Rectangle; | |
| 28 import dwt.internal.gtk.OS; | |
| 29 import dwt.widgets.TreeItem; | |
| 30 import dwt.widgets.TreeColumn; | |
| 31 import dwt.widgets.Composite; | |
| 32 import dwt.widgets.ImageList; | |
| 33 import dwt.widgets.Listener; | |
| 34 import dwt.widgets.Shell; | |
| 35 import dwt.widgets.Decorations; | |
| 36 import dwt.widgets.Menu; | |
| 37 import dwt.widgets.ScrollBar; | |
| 38 import dwt.widgets.Control; | |
| 39 import dwt.widgets.Display; | |
| 40 import dwt.widgets.Event; | |
| 41 import dwt.widgets.TypedListener; | |
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42 import dwt.dwthelper.utils; |
| 90 | 43 |
| 44 /** | |
| 45 * Instances of this class provide a selectable user interface object | |
| 46 * that displays a hierarchy of items and issues notification when an | |
| 47 * item in the hierarchy is selected. | |
| 48 * <p> | |
| 49 * The item children that may be added to instances of this class | |
| 50 * must be of type <code>TreeItem</code>. | |
| 51 * </p><p> | |
| 52 * Style <code>VIRTUAL</code> is used to create a <code>Tree</code> whose | |
| 53 * <code>TreeItem</code>s are to be populated by the client on an on-demand basis | |
| 54 * instead of up-front. This can provide significant performance improvements for | |
| 55 * trees that are very large or for which <code>TreeItem</code> population is | |
| 56 * expensive (for example, retrieving values from an external source). | |
| 57 * </p><p> | |
| 58 * Here is an example of using a <code>Tree</code> with style <code>VIRTUAL</code>: | |
| 59 * <code><pre> | |
| 60 * final Tree tree = new Tree(parent, DWT.VIRTUAL | DWT.BORDER); | |
| 61 * tree.setItemCount(20); | |
| 62 * tree.addListener(DWT.SetData, new Listener() { | |
| 63 * public void handleEvent(Event event) { | |
| 64 * TreeItem item = (TreeItem)event.item; | |
| 65 * TreeItem parentItem = item.getParentItem(); | |
| 66 * String text = null; | |
| 67 * if (parentItem is null) { | |
| 68 * text = "node " + tree.indexOf(item); | |
| 69 * } else { | |
| 70 * text = parentItem.getText() + " - " + parentItem.indexOf(item); | |
| 71 * } | |
| 72 * item.setText(text); | |
| 73 * System.out.println(text); | |
| 74 * item.setItemCount(10); | |
| 75 * } | |
| 76 * }); | |
| 77 * </pre></code> | |
| 78 * </p><p> | |
| 79 * Note that although this class is a subclass of <code>Composite</code>, | |
| 80 * it does not make sense to add <code>Control</code> children to it, | |
| 81 * or set a layout on it. | |
| 82 * </p><p> | |
| 83 * <dl> | |
| 84 * <dt><b>Styles:</b></dt> | |
| 85 * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, VIRTUAL</dd> | |
| 86 * <dt><b>Events:</b></dt> | |
| 87 * <dd>Selection, DefaultSelection, Collapse, Expand, SetData, MeasureItem, EraseItem, PaintItem</dd> | |
| 88 * </dl> | |
| 89 * </p><p> | |
| 90 * Note: Only one of the styles SINGLE and MULTI may be specified. | |
| 91 * </p><p> | |
| 92 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
| 93 * </p> | |
| 94 */ | |
| 95 public class Tree : Composite { | |
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96 |
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97 alias Composite.computeSize computeSize; |
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98 alias Composite.createHandle createHandle; |
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99 alias Composite.dragDetect dragDetect; |
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100 alias Composite.mnemonicHit mnemonicHit; |
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101 alias Composite.mnemonicMatch mnemonicMatch; |
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102 alias Composite.setBackgroundColor setBackgroundColor; |
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103 alias Composite.setBounds setBounds; |
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104 |
| 90 | 105 CallbackData treeSelectionCallbackData; |
| 106 GtkTreeStore* modelHandle; | |
| 107 GtkCellRenderer* checkRenderer; | |
| 108 int columnCount, sortDirection; | |
| 109 GtkWidget* ignoreCell; | |
| 110 TreeItem[] items; | |
| 111 TreeColumn [] columns; | |
| 112 TreeColumn sortColumn; | |
| 113 TreeItem currentItem; | |
| 114 ImageList imageList, headerImageList; | |
| 115 bool firstCustomDraw; | |
| 116 bool modelChanged; | |
| 117 bool expandAll; | |
| 118 int drawState, drawFlags; | |
| 119 GdkColor* drawForeground; | |
| 120 bool ownerDraw, ignoreSize; | |
| 121 | |
| 122 static const int ID_COLUMN = 0; | |
| 123 static const int CHECKED_COLUMN = 1; | |
| 124 static const int GRAYED_COLUMN = 2; | |
| 125 static const int FOREGROUND_COLUMN = 3; | |
| 126 static const int BACKGROUND_COLUMN = 4; | |
| 127 static const int FONT_COLUMN = 5; | |
| 128 static const int FIRST_COLUMN = FONT_COLUMN + 1; | |
| 129 static const int CELL_PIXBUF = 0; | |
| 130 static const int CELL_TEXT = 1; | |
| 131 static const int CELL_FOREGROUND = 2; | |
| 132 static const int CELL_BACKGROUND = 3; | |
| 133 static const int CELL_FONT = 4; | |
| 134 static const int CELL_TYPES = CELL_FONT + 1; | |
| 135 | |
| 136 /** | |
| 137 * Constructs a new instance of this class given its parent | |
| 138 * and a style value describing its behavior and appearance. | |
| 139 * <p> | |
| 140 * The style value is either one of the style constants defined in | |
| 141 * class <code>DWT</code> which is applicable to instances of this | |
| 142 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 143 * (that is, using the <code>int</code> "|" operator) two or more | |
| 144 * of those <code>DWT</code> style constants. The class description | |
| 145 * lists the style constants that are applicable to the class. | |
| 146 * Style bits are also inherited from superclasses. | |
| 147 * </p> | |
| 148 * | |
| 149 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 150 * @param style the style of control to construct | |
| 151 * | |
| 152 * @exception IllegalArgumentException <ul> | |
| 153 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 154 * </ul> | |
| 155 * @exception DWTException <ul> | |
| 156 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 157 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 158 * </ul> | |
| 159 * | |
| 160 * @see DWT#SINGLE | |
| 161 * @see DWT#MULTI | |
| 162 * @see DWT#CHECK | |
| 163 * @see Widget#checkSubclass | |
| 164 * @see Widget#getStyle | |
| 165 */ | |
| 166 public this (Composite parent, int style) { | |
| 167 super (parent, checkStyle (style)); | |
| 168 } | |
| 169 | |
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170 override void _addListener (int eventType, Listener listener) { |
| 90 | 171 super._addListener (eventType, listener); |
| 172 if (!ownerDraw) { | |
| 173 switch (eventType) { | |
| 174 case DWT.MeasureItem: | |
| 175 case DWT.EraseItem: | |
| 176 case DWT.PaintItem: | |
| 177 ownerDraw = true; | |
| 178 recreateRenderers (); | |
| 179 break; | |
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180 default: |
| 90 | 181 } |
| 182 } | |
| 183 } | |
| 184 | |
| 185 TreeItem _getItem (GtkTreeIter* iter) { | |
| 186 int id = getId (iter, true); | |
| 187 if (items [id] !is null) return items [id]; | |
| 188 auto path = OS.gtk_tree_model_get_path (modelHandle, iter); | |
| 189 int depth = OS.gtk_tree_path_get_depth (path); | |
| 190 int [] indices = new int [depth]; | |
| 191 indices[] = OS.gtk_tree_path_get_indices (path)[ 0 .. depth ]; | |
| 192 GtkTreeIter parentIter; | |
| 193 if (depth > 1) { | |
| 194 OS.gtk_tree_path_up (path); | |
| 195 OS.gtk_tree_model_get_iter (modelHandle, &parentIter, path); | |
| 196 } | |
| 197 items [id] = new TreeItem (this, &parentIter, DWT.NONE, indices [indices.length -1], false); | |
| 198 OS.gtk_tree_path_free (path); | |
| 199 return items [id]; | |
| 200 } | |
| 201 | |
| 202 TreeItem _getItem (GtkTreeIter* parentIter, int index) { | |
| 203 GtkTreeIter iter; | |
| 204 OS.gtk_tree_model_iter_nth_child(modelHandle, &iter, parentIter, index); | |
| 205 int id = getId (&iter, true); | |
| 206 if (items [id] !is null) return items [id]; | |
| 207 return items [id] = new TreeItem (this, parentIter, DWT.NONE, index, false); | |
| 208 } | |
| 209 | |
| 210 int getId (GtkTreeIter* iter, bool queryModel) { | |
| 211 if (queryModel) { | |
| 212 int value; | |
| 213 OS.gtk_tree_model_get1 (modelHandle, iter, ID_COLUMN, cast(void**)&value); | |
| 214 if (value !is -1) return value ; | |
| 215 } | |
| 216 // find next available id | |
| 217 int id = 0; | |
| 218 while (id < items.length && items [id] !is null) id++; | |
| 219 if (id is items.length) { | |
| 220 TreeItem [] newItems = new TreeItem [items.length + 4]; | |
| 221 System.arraycopy (items, 0, newItems, 0, items.length); | |
| 222 items = newItems; | |
| 223 } | |
| 224 OS.gtk_tree_store_set1 (modelHandle, iter, ID_COLUMN, cast(void*)id ); | |
| 225 return id; | |
| 226 } | |
| 227 | |
| 228 static int checkStyle (int style) { | |
| 229 /* | |
| 230 * To be compatible with Windows, force the H_SCROLL | |
| 231 * and V_SCROLL style bits. On Windows, it is not | |
| 232 * possible to create a tree without scroll bars. | |
| 233 */ | |
| 234 style |= DWT.H_SCROLL | DWT.V_SCROLL; | |
| 235 /* GTK is always FULL_SELECTION */ | |
| 236 style |= DWT.FULL_SELECTION; | |
| 237 return checkBits (style, DWT.SINGLE, DWT.MULTI, 0, 0, 0, 0); | |
| 238 } | |
| 239 | |
| 240 override void cellDataProc ( | |
| 241 GtkTreeViewColumn *tree_column, | |
| 242 GtkCellRenderer *cell, | |
| 243 GtkTreeModel *tree_model, | |
| 244 GtkTreeIter *iter, | |
| 245 void* data) | |
| 246 { | |
| 247 if (cell is cast(GtkCellRenderer*)ignoreCell) return; | |
| 248 TreeItem item = _getItem (iter); | |
| 249 if (item !is null) OS.g_object_set_qdata (cast(GObject*)cell, Display.SWT_OBJECT_INDEX2, item.handle); | |
| 250 bool isPixbuf = OS.GTK_IS_CELL_RENDERER_PIXBUF (cell); | |
| 251 if (!(isPixbuf || OS.GTK_IS_CELL_RENDERER_TEXT (cell))) return; | |
| 252 int modelIndex = -1; | |
| 253 bool customDraw = false; | |
| 254 if (columnCount is 0) { | |
| 255 modelIndex = Tree.FIRST_COLUMN; | |
| 256 customDraw = firstCustomDraw; | |
| 257 } else { | |
| 258 TreeColumn* column = cast(TreeColumn*) display.getWidget (cast(GtkWidget*)tree_column); | |
| 259 if (column !is null) { | |
| 260 modelIndex = column.modelIndex; | |
| 261 customDraw = column.customDraw; | |
| 262 } | |
| 263 } | |
| 264 if (modelIndex is -1) return 0; | |
| 265 bool setData = false; | |
| 266 if ((style & DWT.VIRTUAL) !is 0) { | |
| 267 /* | |
| 268 * Feature in GTK. On GTK before 2.4, fixed_height_mode is not | |
| 269 * supported, and the tree asks for the data of all items. The | |
| 270 * fix is to only provide the data if the row is visible. | |
| 271 */ | |
| 272 if (OS.GTK_VERSION < OS.buildVERSION (2, 3, 2)) { | |
| 273 auto path = OS.gtk_tree_model_get_path (tree_model, iter); | |
| 274 OS.gtk_widget_realize (handle); | |
| 275 GdkRectangle visible; | |
| 276 OS.gtk_tree_view_get_visible_rect (handle, &visible); | |
| 277 GdkRectangle area; | |
| 278 OS.gtk_tree_view_get_cell_area (handle, path, tree_column, &area); | |
| 279 OS.gtk_tree_path_free (path); | |
| 280 if (area.y + area.height < 0 || area.y + visible.y > visible.y + visible.height ) { | |
| 281 /* Give an image from the image list to make sure the row has | |
| 282 * the correct height. | |
| 283 */ | |
| 284 if (imageList !is null && imageList.pixbufs.length > 0) { | |
| 285 if (isPixbuf) OS.g_object_set1 (cell, OS.pixbuf.ptr, cast(int)imageList.pixbufs [0]); | |
| 286 } | |
| 287 return 0; | |
| 288 } | |
| 289 } | |
| 290 if (!item.cached) { | |
| 291 //lastIndexOf = index [0]; | |
| 292 setData = checkData (item); | |
| 293 } | |
| 294 } | |
| 295 void* ptr; | |
| 296 if (setData) { | |
| 297 if (isPixbuf) { | |
| 298 ptr = null; | |
| 299 OS.gtk_tree_model_get1 (tree_model, iter, modelIndex + CELL_PIXBUF, &ptr); | |
| 300 OS.g_object_set1 (cell, OS.pixbuf.ptr, cast(int)ptr); | |
| 301 } else { | |
| 302 ptr = null; | |
| 303 OS.gtk_tree_model_get1 (tree_model, iter, modelIndex + CELL_TEXT, &ptr); | |
| 304 if (ptr !is null) { | |
| 305 OS.g_object_set1 (cell, OS.text.ptr, cast(int)ptr); | |
| 306 OS.g_free (ptr); | |
| 307 } | |
| 308 } | |
| 309 } | |
| 310 if (customDraw) { | |
| 311 /* | |
| 312 * Bug on GTK. Gtk renders the background on top of the checkbox and pixbuf. | |
| 313 * This only happens in version 2.2.1 and earlier. The fix is not to set the background. | |
| 314 */ | |
| 315 if (OS.GTK_VERSION > OS.buildVERSION (2, 2, 1)) { | |
| 316 if (!ownerDraw) { | |
| 317 ptr = null; | |
| 318 OS.gtk_tree_model_get1 (tree_model, iter, modelIndex + CELL_BACKGROUND, &ptr); | |
| 319 if (ptr !is null) { | |
| 320 OS.g_object_set1 (cell, OS.cell_background_gdk.ptr, cast(int)ptr); | |
| 321 } | |
| 322 } | |
| 323 } | |
| 324 if (!isPixbuf) { | |
| 325 ptr = null; | |
| 326 OS.gtk_tree_model_get1 (tree_model, iter, modelIndex + CELL_FOREGROUND, &ptr); | |
| 327 if (ptr !is null) { | |
| 328 OS.g_object_set1 (cell, OS.foreground_gdk.ptr, cast(int)ptr); | |
| 329 } | |
| 330 ptr = null; | |
| 331 OS.gtk_tree_model_get1 (tree_model, iter, modelIndex + CELL_FONT, &ptr); | |
| 332 if (ptr !is null) { | |
| 333 OS.g_object_set1 (cell, OS.font_desc.ptr, cast(int)ptr); | |
| 334 } | |
| 335 } | |
| 336 } | |
| 337 if (setData) { | |
| 338 ignoreCell = cast(GtkWidget*)cell; | |
| 339 setScrollWidth (tree_column, item); | |
| 340 ignoreCell = null; | |
| 341 } | |
| 342 } | |
| 343 | |
| 344 bool checkData (TreeItem item) { | |
| 345 if (item.cached) return true; | |
| 346 if ((style & DWT.VIRTUAL) !is 0) { | |
| 347 item.cached = true; | |
| 348 TreeItem parentItem = item.getParentItem (); | |
| 349 Event event = new Event (); | |
| 350 event.item = item; | |
| 351 event.index = parentItem is null ? indexOf (item) : parentItem.indexOf (item); | |
| 352 int mask = OS.G_SIGNAL_MATCH_DATA | OS.G_SIGNAL_MATCH_ID; | |
| 353 int signal_id = OS.g_signal_lookup (OS.row_changed.ptr, OS.gtk_tree_model_get_type ()); | |
| 354 OS.g_signal_handlers_block_matched (modelHandle, mask, signal_id, 0, null, null, handle); | |
| 355 currentItem = item; | |
| 356 sendEvent (DWT.SetData, event); | |
| 357 currentItem = null; | |
| 358 //widget could be disposed at this point | |
| 359 if (isDisposed ()) return false; | |
| 360 OS.g_signal_handlers_unblock_matched (modelHandle, mask, signal_id, 0, null, null, handle); | |
| 361 if (item.isDisposed ()) return false; | |
| 362 } | |
| 363 return true; | |
| 364 } | |
| 365 | |
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366 protected override void checkSubclass () { |
| 90 | 367 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
| 368 } | |
| 369 | |
| 370 /** | |
| 371 * Adds the listener to the collection of listeners who will | |
| 372 * be notified when the user changes the receiver's selection, by sending | |
| 373 * it one of the messages defined in the <code>SelectionListener</code> | |
| 374 * interface. | |
| 375 * <p> | |
| 376 * When <code>widgetSelected</code> is called, the item field of the event object is valid. | |
| 377 * If the receiver has the <code>DWT.CHECK</code> style and the check selection changes, | |
| 378 * the event object detail field contains the value <code>DWT.CHECK</code>. | |
| 379 * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. | |
| 380 * The item field of the event object is valid for default selection, but the detail field is not used. | |
| 381 * </p> | |
| 382 * | |
| 383 * @param listener the listener which should be notified when the user changes the receiver's selection | |
| 384 * | |
| 385 * @exception IllegalArgumentException <ul> | |
| 386 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 387 * </ul> | |
| 388 * @exception DWTException <ul> | |
| 389 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 390 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 391 * </ul> | |
| 392 * | |
| 393 * @see SelectionListener | |
| 394 * @see #removeSelectionListener | |
| 395 * @see SelectionEvent | |
| 396 */ | |
| 397 public void addSelectionListener (SelectionListener listener) { | |
| 398 checkWidget (); | |
| 399 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 400 TypedListener typedListener = new TypedListener (listener); | |
| 401 addListener (DWT.Selection, typedListener); | |
| 402 addListener (DWT.DefaultSelection, typedListener); | |
| 403 } | |
| 404 | |
| 405 /** | |
| 406 * Adds the listener to the collection of listeners who will | |
| 407 * be notified when an item in the receiver is expanded or collapsed | |
| 408 * by sending it one of the messages defined in the <code>TreeListener</code> | |
| 409 * interface. | |
| 410 * | |
| 411 * @param listener the listener which should be notified | |
| 412 * | |
| 413 * @exception IllegalArgumentException <ul> | |
| 414 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 415 * </ul> | |
| 416 * @exception DWTException <ul> | |
| 417 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 418 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 419 * </ul> | |
| 420 * | |
| 421 * @see TreeListener | |
| 422 * @see #removeTreeListener | |
| 423 */ | |
| 424 public void addTreeListener(TreeListener listener) { | |
| 425 checkWidget (); | |
| 426 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 427 TypedListener typedListener = new TypedListener (listener); | |
| 428 addListener (DWT.Expand, typedListener); | |
| 429 addListener (DWT.Collapse, typedListener); | |
| 430 } | |
| 431 | |
| 432 int calculateWidth (GtkTreeViewColumn *column, GtkTreeIter* iter) { | |
| 433 OS.gtk_tree_view_column_cell_set_cell_data (column, modelHandle, iter, false, false); | |
| 434 /* | |
| 435 * Bug in GTK. The width calculated by gtk_tree_view_column_cell_get_size() | |
| 436 * always grows in size regardless of the text or images in the table. | |
| 437 * The fix is to determine the column width from the cell renderers. | |
| 438 */ | |
| 439 // Code intentionally commented | |
| 440 //int [] width = new int [1]; | |
| 441 //OS.gtk_tree_view_column_cell_get_size (column, null, null, null, width, null); | |
| 442 //return width [0]; | |
| 443 | |
| 444 int width = 0; | |
| 445 int w; | |
| 446 if (OS.gtk_tree_view_get_expander_column (handle) is column) { | |
| 447 OS.gtk_widget_style_get1 (handle, OS.expander_size.ptr, &w); | |
| 448 width += w + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 449 } | |
| 450 OS.gtk_widget_style_get1(handle, OS.focus_line_width.ptr, &w); | |
| 451 width += 2 * w ; | |
| 452 auto list = OS.gtk_tree_view_column_get_cell_renderers (column); | |
| 453 if (list is null) return 0; | |
| 454 auto temp = list; | |
| 455 while (temp !is null) { | |
| 456 auto renderer = OS.g_list_data (temp); | |
| 457 if (renderer !is null) { | |
| 458 OS.gtk_cell_renderer_get_size (renderer, handle, null, null, null, &w, null); | |
| 459 width += w ; | |
| 460 } | |
| 461 temp = OS.g_list_next (temp); | |
| 462 } | |
| 463 OS.g_list_free (list); | |
| 464 return width; | |
| 465 } | |
| 466 | |
| 467 /** | |
| 468 * Clears the item at the given zero-relative index in the receiver. | |
| 469 * The text, icon and other attributes of the item are set to the default | |
| 470 * value. If the tree was created with the <code>DWT.VIRTUAL</code> style, | |
| 471 * these attributes are requested again as needed. | |
| 472 * | |
| 473 * @param index the index of the item to clear | |
| 474 * @param all <code>true</code> if all child items of the indexed item should be | |
| 475 * cleared recursively, and <code>false</code> otherwise | |
| 476 * | |
| 477 * @exception IllegalArgumentException <ul> | |
| 478 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> | |
| 479 * </ul> | |
| 480 * @exception DWTException <ul> | |
| 481 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 482 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 483 * </ul> | |
| 484 * | |
| 485 * @see DWT#VIRTUAL | |
| 486 * @see DWT#SetData | |
| 487 * | |
| 488 * @since 3.2 | |
| 489 */ | |
| 490 public void clear(int index, bool all) { | |
| 491 checkWidget (); | |
| 492 clear (null, index, all); | |
| 493 } | |
| 494 | |
| 495 void clear (GtkTreeIter* parentIter, int index, bool all) { | |
| 496 GtkTreeIter iter; | |
| 497 OS.gtk_tree_model_iter_nth_child(modelHandle, &iter, parentIter, index); | |
| 498 int value; | |
| 499 OS.gtk_tree_model_get1 (modelHandle, &iter, ID_COLUMN, cast(void**)&value); | |
| 500 if (value !is -1) { | |
| 501 TreeItem item = items [value ]; | |
| 502 item.clear (); | |
| 503 } | |
| 504 if (all) clearAll (all, &iter); | |
| 505 } | |
| 506 | |
| 507 /** | |
| 508 * Clears all the items in the receiver. The text, icon and other | |
| 509 * attributes of the items are set to their default values. If the | |
| 510 * tree was created with the <code>DWT.VIRTUAL</code> style, these | |
| 511 * attributes are requested again as needed. | |
| 512 * | |
| 513 * @param all <code>true</code> if all child items should be cleared | |
| 514 * recursively, and <code>false</code> otherwise | |
| 515 * | |
| 516 * @exception DWTException <ul> | |
| 517 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 518 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 519 * </ul> | |
| 520 * | |
| 521 * @see DWT#VIRTUAL | |
| 522 * @see DWT#SetData | |
| 523 * | |
| 524 * @since 3.2 | |
| 525 */ | |
| 526 public void clearAll (bool all) { | |
| 527 checkWidget (); | |
| 528 clearAll (all, null); | |
| 529 } | |
| 530 void clearAll (bool all, GtkTreeIter* parentIter) { | |
| 531 int length = OS.gtk_tree_model_iter_n_children (modelHandle, parentIter); | |
| 532 if (length is 0) return; | |
| 533 GtkTreeIter iter; | |
| 534 bool valid = cast(bool)OS.gtk_tree_model_iter_children (modelHandle, &iter, parentIter); | |
| 535 int value; | |
| 536 while (valid) { | |
| 537 OS.gtk_tree_model_get1 (modelHandle, &iter, ID_COLUMN, cast(void**)&value); | |
| 538 if (value !is -1) { | |
| 539 TreeItem item = items [value ]; | |
| 540 item.clear (); | |
| 541 } | |
| 542 if (all) clearAll (all, &iter); | |
| 543 valid = cast(bool)OS.gtk_tree_model_iter_next (modelHandle, &iter); | |
| 544 } | |
| 545 } | |
| 546 | |
|
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547 public override Point computeSize (int wHint, int hHint, bool changed) { |
| 90 | 548 checkWidget (); |
| 549 if (wHint !is DWT.DEFAULT && wHint < 0) wHint = 0; | |
| 550 if (hHint !is DWT.DEFAULT && hHint < 0) hHint = 0; | |
| 551 Point size = computeNativeSize (handle, wHint, hHint, changed); | |
| 552 Rectangle trim = computeTrim (0, 0, size.x, size.y); | |
| 553 size.x = trim.width; | |
| 554 size.y = trim.height; | |
| 555 return size; | |
| 556 } | |
| 557 | |
| 558 void copyModel (void* oldModel, int oldStart, void* newModel, int newStart, uint [] types, void* oldParent, void* newParent, int modelLength) { | |
| 559 GtkTreeIter iter; | |
| 560 if (OS.gtk_tree_model_iter_children (oldModel, &iter, oldParent)) { | |
| 561 GtkTreeIter*[] oldItems = new GtkTreeIter*[]( OS.gtk_tree_model_iter_n_children (oldModel, oldParent)); | |
| 562 int oldIndex = 0; | |
| 563 do { | |
| 564 GtkTreeIter* newItem = cast(GtkTreeIter*)OS.g_malloc (GtkTreeIter.sizeof); | |
| 565 if (newItem is null) error (DWT.ERROR_NO_HANDLES); | |
| 566 OS.gtk_tree_store_append (newModel, newItem, newParent); | |
| 567 int index; | |
| 568 OS.gtk_tree_model_get1 (oldModel, &iter, ID_COLUMN, cast(void**)&index); | |
| 569 TreeItem item = null; | |
| 570 if (index !is -1) { | |
| 571 item = items [index ]; | |
| 572 if (item !is null) { | |
| 573 auto oldItem = cast(GtkTreeIter*)item.handle; | |
| 574 oldItems[oldIndex++] = oldItem; | |
| 575 void* ptr; | |
| 576 for (int j = 0; j < FIRST_COLUMN; j++) { | |
| 577 OS.gtk_tree_model_get1 (oldModel, oldItem, j, &ptr); | |
| 578 OS.gtk_tree_store_set1 (newModel, newItem, j, ptr ); | |
| 579 if (types [j] is OS.G_TYPE_STRING ()) OS.g_free ((ptr )); | |
| 580 } | |
| 581 for (int j= 0; j<modelLength - FIRST_COLUMN; j++) { | |
| 582 OS.gtk_tree_model_get1 (oldModel, oldItem, oldStart + j, &ptr); | |
| 583 OS.gtk_tree_store_set1 (newModel, newItem, newStart + j, ptr ); | |
| 584 if (types [j] is OS.G_TYPE_STRING ()) OS.g_free ((ptr )); | |
| 585 } | |
| 586 } | |
| 587 } else { | |
| 588 OS.gtk_tree_store_set1 (newModel, newItem, ID_COLUMN, cast(void*)-1 ); | |
| 589 } | |
| 590 // recurse through children | |
| 591 copyModel(oldModel, oldStart, newModel, newStart, types, &iter, newItem, modelLength); | |
| 592 | |
| 593 if (item!is null) { | |
| 594 item.handle = cast(GtkWidget*)newItem; | |
| 595 } else { | |
| 596 OS.g_free (newItem); | |
| 597 } | |
| 598 } while (OS.gtk_tree_model_iter_next(oldModel, &iter)); | |
| 599 for (int i = 0; i < oldItems.length; i++) { | |
| 600 auto oldItem = oldItems [i]; | |
| 601 if (oldItem !is null) { | |
| 602 OS.gtk_tree_store_remove (oldModel, oldItem); | |
| 603 OS.g_free (oldItem); | |
| 604 } | |
| 605 } | |
| 606 } | |
| 607 } | |
| 608 | |
| 609 void createColumn (TreeColumn column, int index) { | |
| 610 /* | |
| 611 * Bug in ATK. For some reason, ATK segments fault if | |
| 612 * the GtkTreeView has a column and does not have items. | |
| 613 * The fix is to insert the column only when an item is | |
| 614 * created. | |
| 615 */ | |
| 616 | |
| 617 int modelIndex = FIRST_COLUMN; | |
| 618 if (columnCount !is 0) { | |
| 619 int modelLength = OS.gtk_tree_model_get_n_columns (modelHandle); | |
| 620 bool [] usedColumns = new bool [modelLength]; | |
| 621 for (int i=0; i<columnCount; i++) { | |
| 622 int columnIndex = columns [i].modelIndex; | |
| 623 for (int j = 0; j < CELL_TYPES; j++) { | |
| 624 usedColumns [columnIndex + j] = true; | |
| 625 } | |
| 626 } | |
| 627 while (modelIndex < modelLength) { | |
| 628 if (!usedColumns [modelIndex]) break; | |
| 629 modelIndex++; | |
| 630 } | |
| 631 if (modelIndex is modelLength) { | |
| 632 auto oldModel = modelHandle; | |
| 633 uint[] types = getColumnTypes (columnCount + 4); // grow by 4 rows at a time | |
| 634 auto newModel = OS.gtk_tree_store_newv (types.length, types.ptr); | |
| 635 if (newModel is null) error (DWT.ERROR_NO_HANDLES); | |
| 636 copyModel (oldModel, FIRST_COLUMN, newModel, FIRST_COLUMN, types, null, null, modelLength); | |
| 637 OS.gtk_tree_view_set_model (handle, newModel); | |
| 638 OS.g_object_unref (oldModel); | |
| 639 modelHandle = newModel; | |
| 640 } | |
| 641 } | |
| 642 auto columnHandle = OS.gtk_tree_view_column_new (); | |
| 643 if (columnHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 644 if (index is 0 && columnCount > 0) { | |
| 645 TreeColumn checkColumn = columns [0]; | |
| 646 createRenderers (cast(GtkTreeViewColumn *)checkColumn.handle, checkColumn.modelIndex, false, checkColumn.style); | |
| 647 } | |
| 648 createRenderers (columnHandle, modelIndex, index is 0, column is null ? 0 : column.style); | |
| 649 /* | |
| 650 * Use GTK_TREE_VIEW_COLUMN_GROW_ONLY on GTK versions < 2.3.2 | |
| 651 * because fixed_height_mode is not supported. | |
| 652 */ | |
| 653 bool useVirtual = (style & DWT.VIRTUAL) !is 0 && OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2); | |
| 654 if (!useVirtual && columnCount is 0) { | |
| 655 OS.gtk_tree_view_column_set_sizing (columnHandle, OS.GTK_TREE_VIEW_COLUMN_GROW_ONLY); | |
| 656 } else { | |
| 657 OS.gtk_tree_view_column_set_sizing (columnHandle, OS.GTK_TREE_VIEW_COLUMN_FIXED); | |
| 658 if (columnCount !is 0) OS.gtk_tree_view_column_set_visible (columnHandle, false); | |
| 659 } | |
| 660 OS.gtk_tree_view_column_set_resizable (columnHandle, true); | |
| 661 OS.gtk_tree_view_column_set_clickable (columnHandle, true); | |
| 662 OS.gtk_tree_view_column_set_min_width (columnHandle, 0); | |
| 663 OS.gtk_tree_view_insert_column (handle, columnHandle, index); | |
| 664 if (column !is null) { | |
| 665 column.handle = cast(GtkWidget*)columnHandle; | |
| 666 column.modelIndex = modelIndex; | |
| 667 } | |
| 668 /* Disable searching when using VIRTUAL */ | |
| 669 if ((style & DWT.VIRTUAL) !is 0) { | |
| 670 /* | |
| 671 * Bug in GTK. Until GTK 2.6.5, calling gtk_tree_view_set_enable_search(FALSE) | |
| 672 * would prevent the user from being able to type in text to search the tree. | |
| 673 * After 2.6.5, GTK introduced Ctrl+F as being the key binding for interactive | |
| 674 * search. This meant that even if FALSE was passed to enable_search, the user | |
| 675 * can still bring up the search pop up using the keybinding. GTK also introduced | |
| 676 * the notion of passing a -1 to gtk_set_search_column to disable searching | |
| 677 * (including the search key binding). The fix is to use the right calls | |
| 678 * for the right version. | |
| 679 */ | |
| 680 if (OS.GTK_VERSION >= OS.buildVERSION (2, 6, 5)) { | |
| 681 OS.gtk_tree_view_set_search_column (handle, -1); | |
| 682 } else { | |
| 683 OS.gtk_tree_view_set_enable_search (handle, false); | |
| 684 } | |
| 685 } else { | |
| 686 /* Set the search column whenever the model changes */ | |
| 687 int firstColumn = columnCount is 0 ? FIRST_COLUMN : columns [0].modelIndex; | |
| 688 OS.gtk_tree_view_set_search_column (handle, firstColumn + CELL_TEXT); | |
| 689 } | |
| 690 } | |
| 691 | |
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parents:
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changeset
|
692 override void createHandle (int index) { |
| 90 | 693 state |= HANDLE; |
| 694 fixedHandle = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null); | |
| 695 if (fixedHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 696 OS.gtk_fixed_set_has_window (fixedHandle, true); | |
| 697 scrolledHandle = cast(GtkWidget*)OS.gtk_scrolled_window_new (null, null); | |
| 698 if (scrolledHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 699 uint[] types = getColumnTypes (1); | |
| 700 modelHandle = cast(GtkTreeStore*)OS.gtk_tree_store_newv (types.length, types.ptr); | |
| 701 if (modelHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 702 handle = cast(GtkWidget*)OS.gtk_tree_view_new_with_model (modelHandle); | |
| 703 if (handle is null) error (DWT.ERROR_NO_HANDLES); | |
| 704 if ((style & DWT.CHECK) !is 0) { | |
| 705 checkRenderer = cast(GtkCellRenderer*)OS.gtk_cell_renderer_toggle_new (); | |
| 706 if (checkRenderer is null) error (DWT.ERROR_NO_HANDLES); | |
| 707 OS.g_object_ref (checkRenderer); | |
| 708 } | |
| 709 createColumn (null, 0); | |
| 710 OS.gtk_container_add (fixedHandle, scrolledHandle); | |
| 711 OS.gtk_container_add (scrolledHandle, handle); | |
| 712 | |
| 713 int mode = (style & DWT.MULTI) !is 0 ? OS.GTK_SELECTION_MULTIPLE : OS.GTK_SELECTION_BROWSE; | |
| 714 auto selectionHandle = OS.gtk_tree_view_get_selection (handle); | |
| 715 OS.gtk_tree_selection_set_mode (selectionHandle, mode); | |
| 716 OS.gtk_tree_view_set_headers_visible (handle, false); | |
| 717 int hsp = (style & DWT.H_SCROLL) !is 0 ? OS.GTK_POLICY_AUTOMATIC : OS.GTK_POLICY_NEVER; | |
| 718 int vsp = (style & DWT.V_SCROLL) !is 0 ? OS.GTK_POLICY_AUTOMATIC : OS.GTK_POLICY_NEVER; | |
| 719 OS.gtk_scrolled_window_set_policy (scrolledHandle, hsp, vsp); | |
| 720 if ((style & DWT.BORDER) !is 0) OS.gtk_scrolled_window_set_shadow_type (scrolledHandle, OS.GTK_SHADOW_ETCHED_IN); | |
| 721 /* Disable searching when using VIRTUAL */ | |
| 722 if ((style & DWT.VIRTUAL) !is 0) { | |
| 723 /* The fixed_height_mode property only exists in GTK 2.3.2 and greater */ | |
| 724 if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2)) { | |
| 725 OS.g_object_set1 (handle, OS.fixed_height_mode.ptr, true); | |
| 726 } | |
| 727 /* | |
| 728 * Bug in GTK. Until GTK 2.6.5, calling gtk_tree_view_set_enable_search(FALSE) | |
| 729 * would prevent the user from being able to type in text to search the tree. | |
| 730 * After 2.6.5, GTK introduced Ctrl+F as being the key binding for interactive | |
| 731 * search. This meant that even if FALSE was passed to enable_search, the user | |
| 732 * can still bring up the search pop up using the keybinding. GTK also introduced | |
| 733 * the notion of passing a -1 to gtk_set_search_column to disable searching | |
| 734 * (including the search key binding). The fix is to use the right calls | |
| 735 * for the right version. | |
| 736 */ | |
| 737 if (OS.GTK_VERSION >= OS.buildVERSION (2, 6, 5)) { | |
| 738 OS.gtk_tree_view_set_search_column (handle, -1); | |
| 739 } else { | |
| 740 OS.gtk_tree_view_set_enable_search (handle, false); | |
| 741 }; | |
| 742 } | |
| 743 } | |
| 744 | |
| 745 void createItem (TreeColumn column, int index) { | |
| 746 if (!(0 <= index && index <= columnCount)) error (DWT.ERROR_INVALID_RANGE); | |
| 747 if (index is 0) { | |
| 748 // first column must be left aligned | |
| 749 column.style &= ~(DWT.LEFT | DWT.RIGHT | DWT.CENTER); | |
| 750 column.style |= DWT.LEFT; | |
| 751 } | |
| 752 if (columnCount is 0) { | |
| 753 column.handle = cast(GtkWidget*)OS.gtk_tree_view_get_column (handle, 0); | |
| 754 OS.gtk_tree_view_column_set_sizing (column.handle, OS.GTK_TREE_VIEW_COLUMN_FIXED); | |
| 755 OS.gtk_tree_view_column_set_visible (column.handle, false); | |
| 756 column.modelIndex = FIRST_COLUMN; | |
| 757 createRenderers (cast(GtkTreeViewColumn *)column.handle, column.modelIndex, true, column.style); | |
| 758 column.customDraw = firstCustomDraw; | |
| 759 firstCustomDraw = false; | |
| 760 } else { | |
| 761 createColumn (column, index); | |
| 762 } | |
| 763 auto boxHandle = OS.gtk_hbox_new (false, 3); | |
| 764 if (boxHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 765 auto labelHandle = OS.gtk_label_new_with_mnemonic (null); | |
| 766 if (labelHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 767 auto imageHandle = OS.gtk_image_new (); | |
| 768 if (imageHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 769 OS.gtk_container_add (boxHandle, imageHandle); | |
| 770 OS.gtk_container_add (boxHandle, labelHandle); | |
| 771 OS.gtk_widget_show (boxHandle); | |
| 772 OS.gtk_widget_show (labelHandle); | |
| 773 column.labelHandle = labelHandle; | |
| 774 column.imageHandle = imageHandle; | |
| 775 OS.gtk_tree_view_column_set_widget (column.handle, boxHandle); | |
| 776 auto widget = OS.gtk_widget_get_parent (boxHandle); | |
| 777 while (widget !is handle) { | |
| 778 if (OS.GTK_IS_BUTTON (widget)) { | |
| 779 column.buttonHandle = widget; | |
| 780 break; | |
| 781 } | |
| 782 widget = OS.gtk_widget_get_parent (widget); | |
| 783 } | |
| 784 if (columnCount is columns.length) { | |
| 785 TreeColumn [] newColumns = new TreeColumn [columns.length + 4]; | |
| 786 System.arraycopy (columns, 0, newColumns, 0, columns.length); | |
| 787 columns = newColumns; | |
| 788 } | |
| 789 System.arraycopy (columns, index, columns, index + 1, columnCount++ - index); | |
| 790 columns [index] = column; | |
| 791 if ((state & FONT) !is 0) { | |
| 792 column.setFontDescription (getFontDescription ()); | |
| 793 } | |
| 794 if (columnCount >= 1) { | |
| 795 for (int i=0; i<items.length; i++) { | |
| 796 TreeItem item = items [i]; | |
| 797 if (item !is null) { | |
| 798 Font [] cellFont = item.cellFont; | |
| 799 if (cellFont !is null) { | |
| 800 Font [] temp = new Font [columnCount]; | |
| 801 System.arraycopy (cellFont, 0, temp, 0, index); | |
| 802 System.arraycopy (cellFont, index, temp, index+1, columnCount-index-1); | |
| 803 item.cellFont = temp; | |
| 804 } | |
| 805 } | |
| 806 } | |
| 807 } | |
| 808 } | |
| 809 | |
| 810 void createItem (TreeItem item, GtkTreeIter* parentIter, int index) { | |
| 811 int count = OS.gtk_tree_model_iter_n_children (modelHandle, parentIter); | |
| 812 if (index is -1) index = count; | |
| 813 if (!(0 <= index && index <= count)) error (DWT.ERROR_INVALID_RANGE); | |
| 814 item.handle = cast(GtkWidget*)OS.g_malloc (GtkTreeIter.sizeof); | |
| 815 if (item.handle is null) error(DWT.ERROR_NO_HANDLES); | |
| 816 /* | |
| 817 * Feature in GTK. It is much faster to append to a tree store | |
| 818 * than to insert at the end using gtk_tree_store_insert(). | |
| 819 */ | |
| 820 if (index is count) { | |
| 821 OS.gtk_tree_store_append (modelHandle, item.handle, parentIter); | |
| 822 } else { | |
| 823 OS.gtk_tree_store_insert (modelHandle, item.handle, parentIter, index); | |
| 824 } | |
| 825 int id = getId (cast(GtkTreeIter*) item.handle, false); | |
| 826 items [id] = item; | |
| 827 modelChanged = true; | |
| 828 } | |
| 829 | |
| 830 void createRenderers (GtkTreeViewColumn* columnHandle, int modelIndex, bool check, int columnStyle) { | |
| 831 OS.gtk_tree_view_column_clear (columnHandle); | |
| 832 if ((style & DWT.CHECK) !is 0 && check) { | |
| 833 OS.gtk_tree_view_column_pack_start (columnHandle, checkRenderer, false); | |
| 834 OS.gtk_tree_view_column_add_attribute (columnHandle, checkRenderer, OS.active.ptr, CHECKED_COLUMN); | |
| 835 /* | |
| 836 * Feature in GTK. The inconsistent property only exists in GTK 2.2.x. | |
| 837 */ | |
| 838 if (OS.GTK_VERSION >= OS.buildVERSION (2, 2, 0)) { | |
| 839 OS.gtk_tree_view_column_add_attribute (columnHandle, checkRenderer, OS.inconsistent.ptr, GRAYED_COLUMN); | |
| 840 } | |
| 841 /* | |
| 842 * Bug in GTK. GTK renders the background on top of the checkbox. | |
| 843 * This only happens in version 2.2.1 and earlier. The fix is not to set the background. | |
| 844 */ | |
| 845 if (OS.GTK_VERSION > OS.buildVERSION (2, 2, 1)) { | |
| 846 if (!ownerDraw) OS.gtk_tree_view_column_add_attribute (columnHandle, checkRenderer, OS.cell_background_gdk.ptr, BACKGROUND_COLUMN); | |
| 847 } | |
| 848 if (ownerDraw) { | |
| 849 display.doCellDataProc( handle, cast(GtkTreeViewColumn*)columnHandle, cast(GtkCellRenderer*)checkRenderer ); | |
| 850 OS.g_object_set_qdata (cast(GObject*)checkRenderer, Display.SWT_OBJECT_INDEX1, columnHandle); | |
| 851 } | |
| 852 } | |
| 853 auto pixbufRenderer = ownerDraw ? cast(GtkCellRenderer*)OS.g_object_new (display.gtk_cell_renderer_pixbuf_get_type (), null) : OS.gtk_cell_renderer_pixbuf_new (); | |
| 854 if (pixbufRenderer is null) error (DWT.ERROR_NO_HANDLES); | |
| 855 auto textRenderer = ownerDraw ? cast(GtkCellRenderer*)OS.g_object_new (display.gtk_cell_renderer_text_get_type (), null) : OS.gtk_cell_renderer_text_new (); | |
| 856 if (textRenderer is null) error (DWT.ERROR_NO_HANDLES); | |
| 857 | |
| 858 if (ownerDraw) { | |
| 859 OS.g_object_set_qdata (cast(GObject*)pixbufRenderer, Display.SWT_OBJECT_INDEX1, columnHandle); | |
| 860 OS.g_object_set_qdata (cast(GObject*)textRenderer, Display.SWT_OBJECT_INDEX1, columnHandle); | |
| 861 } | |
| 862 | |
| 863 /* | |
| 864 * Feature in GTK. When a tree view column contains only one activatable | |
| 865 * cell renderer such as a toggle renderer, mouse clicks anywhere in a cell | |
| 866 * activate that renderer. The workaround is to set a second cell renderer | |
| 867 * to be activatable. | |
| 868 */ | |
| 869 if ((style & DWT.CHECK) !is 0 && check) { | |
| 870 OS.g_object_set1 (pixbufRenderer, OS.mode.ptr, OS.GTK_CELL_RENDERER_MODE_ACTIVATABLE); | |
| 871 } | |
| 872 | |
| 873 /* Set alignment */ | |
| 874 if ((columnStyle & DWT.RIGHT) !is 0) { | |
| 875 OS.g_object_set1(textRenderer, OS.xalign.ptr, cast(int)cast(void*)1f); | |
| 876 OS.gtk_tree_view_column_pack_end (columnHandle, textRenderer, true); | |
| 877 OS.gtk_tree_view_column_pack_end (columnHandle, pixbufRenderer, false); | |
| 878 OS.gtk_tree_view_column_set_alignment (columnHandle, 1f); | |
| 879 } else if ((columnStyle & DWT.CENTER) !is 0) { | |
| 880 OS.g_object_set1(textRenderer, OS.xalign.ptr, cast(int)cast(void*)0.5f); | |
| 881 OS.gtk_tree_view_column_pack_start (columnHandle, pixbufRenderer, false); | |
| 882 OS.gtk_tree_view_column_pack_end (columnHandle, textRenderer, true); | |
| 883 OS.gtk_tree_view_column_set_alignment (columnHandle, 0.5f); | |
| 884 } else { | |
| 885 OS.gtk_tree_view_column_pack_start (columnHandle, pixbufRenderer, false); | |
| 886 OS.gtk_tree_view_column_pack_start (columnHandle, textRenderer, true); | |
| 887 OS.gtk_tree_view_column_set_alignment (columnHandle, 0f); | |
| 888 } | |
| 889 | |
| 890 /* Add attributes */ | |
| 891 OS.gtk_tree_view_column_add_attribute (columnHandle, pixbufRenderer, OS.pixbuf.ptr, modelIndex + CELL_PIXBUF); | |
| 892 /* | |
| 893 * Bug on GTK. Gtk renders the background on top of the pixbuf. | |
| 894 * This only happens in version 2.2.1 and earlier. The fix is not to set the background. | |
| 895 */ | |
| 896 if (OS.GTK_VERSION > OS.buildVERSION (2, 2, 1)) { | |
| 897 if (!ownerDraw) { | |
| 898 OS.gtk_tree_view_column_add_attribute (columnHandle, pixbufRenderer, OS.cell_background_gdk.ptr, BACKGROUND_COLUMN); | |
| 899 OS.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, OS.cell_background_gdk.ptr, BACKGROUND_COLUMN); | |
| 900 } | |
| 901 } | |
| 902 OS.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, OS.text.ptr, modelIndex + CELL_TEXT); | |
| 903 OS.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, OS.foreground_gdk.ptr, FOREGROUND_COLUMN); | |
| 904 OS.gtk_tree_view_column_add_attribute (columnHandle, textRenderer, OS.font_desc.ptr, FONT_COLUMN); | |
| 905 | |
| 906 bool customDraw = firstCustomDraw; | |
| 907 if (columnCount !is 0) { | |
| 908 for (int i=0; i<columnCount; i++) { | |
| 909 if (columns [i].handle is cast(GtkWidget*)columnHandle) { | |
| 910 customDraw = columns [i].customDraw; | |
| 911 break; | |
| 912 } | |
| 913 } | |
| 914 } | |
| 915 if ((style & DWT.VIRTUAL) !is 0 || customDraw || ownerDraw) { | |
| 916 display.doCellDataProc( handle, cast(GtkTreeViewColumn*)columnHandle, cast(GtkCellRenderer*)textRenderer ); | |
| 917 display.doCellDataProc( handle, cast(GtkTreeViewColumn*)columnHandle, cast(GtkCellRenderer*)pixbufRenderer ); | |
| 918 } | |
| 919 } | |
| 920 | |
| 921 void createWidget (int index) { | |
| 922 super.createWidget (index); | |
| 923 items = new TreeItem [4]; | |
| 924 columns = new TreeColumn [4]; | |
| 925 columnCount = 0; | |
| 926 } | |
| 927 | |
| 928 GdkColor* defaultBackground () { | |
| 929 return display.COLOR_LIST_BACKGROUND; | |
| 930 } | |
| 931 | |
| 932 GdkColor* defaultForeground () { | |
| 933 return display.COLOR_LIST_FOREGROUND; | |
| 934 } | |
| 935 | |
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936 override void deregister () { |
| 90 | 937 super.deregister (); |
| 938 display.removeWidget (cast(GtkWidget*)OS.gtk_tree_view_get_selection (handle)); | |
| 939 if (checkRenderer !is null) display.removeWidget (cast(GtkWidget*)checkRenderer); | |
| 940 } | |
| 941 | |
| 942 /** | |
| 943 * Deselects all selected items 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 public void deselectAll() { | |
| 951 checkWidget(); | |
| 952 bool fixColumn = showFirstColumn (); | |
| 953 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 954 OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 955 OS.gtk_tree_selection_unselect_all (selection); | |
| 956 OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 957 if (fixColumn) hideFirstColumn (); | |
| 958 } | |
| 959 | |
| 960 void destroyItem (TreeColumn column) { | |
| 961 int index = 0; | |
| 962 while (index < columnCount) { | |
| 963 if (columns [index] is column) break; | |
| 964 index++; | |
| 965 } | |
| 966 if (index is columnCount) return; | |
| 967 auto columnHandle = column.handle; | |
| 968 if (columnCount is 1) { | |
| 969 firstCustomDraw = column.customDraw; | |
| 970 } | |
| 971 System.arraycopy (columns, index + 1, columns, index, --columnCount - index); | |
| 972 columns [columnCount] = null; | |
| 973 OS.gtk_tree_view_remove_column (handle, columnHandle); | |
| 974 if (columnCount is 0) { | |
| 975 auto oldModel = modelHandle; | |
| 976 uint[] types = getColumnTypes (1); | |
| 977 auto newModel = OS.gtk_tree_store_newv (types.length, types.ptr); | |
| 978 if (newModel is null) error (DWT.ERROR_NO_HANDLES); | |
| 979 copyModel(oldModel, column.modelIndex, newModel, FIRST_COLUMN, types, null, null, FIRST_COLUMN + CELL_TYPES); | |
| 980 OS.gtk_tree_view_set_model (handle, newModel); | |
| 981 OS.g_object_unref (oldModel); | |
| 982 modelHandle = newModel; | |
| 983 createColumn (null, 0); | |
| 984 | |
| 985 } else { | |
| 986 for (int i=0; i<items.length; i++) { | |
| 987 TreeItem item = items [i]; | |
| 988 if (item !is null) { | |
| 989 auto iter = cast(GtkTreeIter*)item.handle; | |
| 990 int modelIndex = column.modelIndex; | |
| 991 OS.gtk_tree_store_set1 (modelHandle, iter, modelIndex + CELL_PIXBUF, null); | |
| 992 OS.gtk_tree_store_set1 (modelHandle, iter, modelIndex + CELL_TEXT, null); | |
| 993 OS.gtk_tree_store_set1 (modelHandle, iter, modelIndex + CELL_FOREGROUND, null); | |
| 994 OS.gtk_tree_store_set1 (modelHandle, iter, modelIndex + CELL_BACKGROUND, null); | |
| 995 OS.gtk_tree_store_set1 (modelHandle, iter, modelIndex + CELL_FONT, null); | |
| 996 | |
| 997 Font [] cellFont = item.cellFont; | |
| 998 if (cellFont !is null) { | |
| 999 if (columnCount is 0) { | |
| 1000 item.cellFont = null; | |
| 1001 } else { | |
| 1002 Font [] temp = new Font [columnCount]; | |
| 1003 System.arraycopy (cellFont, 0, temp, 0, index); | |
| 1004 System.arraycopy (cellFont, index + 1, temp, index, columnCount - index); | |
| 1005 item.cellFont = temp; | |
| 1006 } | |
| 1007 } | |
| 1008 } | |
| 1009 } | |
| 1010 if (index is 0) { | |
| 1011 // first column must be left aligned and must show check box | |
| 1012 TreeColumn firstColumn = columns [0]; | |
| 1013 firstColumn.style &= ~(DWT.LEFT | DWT.RIGHT | DWT.CENTER); | |
| 1014 firstColumn.style |= DWT.LEFT; | |
| 1015 createRenderers (cast(GtkTreeViewColumn*)firstColumn.handle, firstColumn.modelIndex, true, firstColumn.style); | |
| 1016 } | |
| 1017 } | |
| 1018 /* Disable searching when using VIRTUAL */ | |
| 1019 if ((style & DWT.VIRTUAL) !is 0) { | |
| 1020 /* | |
| 1021 * Bug in GTK. Until GTK 2.6.5, calling gtk_tree_view_set_enable_search(FALSE) | |
| 1022 * would prevent the user from being able to type in text to search the tree. | |
| 1023 * After 2.6.5, GTK introduced Ctrl+F as being the key binding for interactive | |
| 1024 * search. This meant that even if FALSE was passed to enable_search, the user | |
| 1025 * can still bring up the search pop up using the keybinding. GTK also introduced | |
| 1026 * the notion of passing a -1 to gtk_set_search_column to disable searching | |
| 1027 * (including the search key binding). The fix is to use the right calls | |
| 1028 * for the right version. | |
| 1029 */ | |
| 1030 if (OS.GTK_VERSION >= OS.buildVERSION (2, 6, 5)) { | |
| 1031 OS.gtk_tree_view_set_search_column (handle, -1); | |
| 1032 } else { | |
| 1033 OS.gtk_tree_view_set_enable_search (handle, false); | |
| 1034 } | |
| 1035 } else { | |
| 1036 /* Set the search column whenever the model changes */ | |
| 1037 int firstColumn = columnCount is 0 ? FIRST_COLUMN : columns [0].modelIndex; | |
| 1038 OS.gtk_tree_view_set_search_column (handle, firstColumn + CELL_TEXT); | |
| 1039 } | |
| 1040 } | |
| 1041 | |
| 1042 | |
| 1043 void destroyItem (TreeItem item) { | |
| 1044 /* | |
| 1045 * Bug in GTK. GTK segment faults when a root tree item | |
| 1046 * is destroyed when the tree is expanded and the last leaf of | |
| 1047 * the root is selected. This only happens in versions earlier | |
| 1048 * than 2.0.6. The fix is to collapse the tree item being destroyed | |
| 1049 * when it is a root, before it is destroyed. | |
| 1050 */ | |
| 1051 if (OS.GTK_VERSION < OS.buildVERSION (2, 0, 6)) { | |
| 1052 int length = OS.gtk_tree_model_iter_n_children (modelHandle, null); | |
| 1053 if (length > 0) { | |
| 1054 GtkTreeIter iter; | |
| 1055 bool valid = cast(bool)OS.gtk_tree_model_iter_children (modelHandle, &iter, null); | |
| 1056 while (valid) { | |
| 1057 //PORTING_TODO: is this condition reasonable? | |
| 1058 if (item.handle is cast(GtkWidget*)&iter) { | |
| 1059 item.setExpanded (false); | |
| 1060 break; | |
| 1061 } | |
| 1062 valid = cast(bool)OS.gtk_tree_model_iter_next (modelHandle, &iter); | |
| 1063 } | |
| 1064 } | |
| 1065 } | |
| 1066 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 1067 OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 1068 OS.gtk_tree_store_remove (modelHandle, item.handle); | |
| 1069 OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 1070 modelChanged = true; | |
| 1071 } | |
| 1072 | |
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1073 override bool dragDetect (int x, int y, bool filter, bool * consume) { |
| 90 | 1074 bool selected = false; |
| 1075 if (filter) { | |
| 1076 void* path; | |
| 1077 if (OS.gtk_tree_view_get_path_at_pos (handle, x, y, &path, null, null, null)) { | |
| 1078 if (path !is null) { | |
| 1079 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 1080 if (OS.gtk_tree_selection_path_is_selected (selection, path )) selected = true; | |
| 1081 OS.gtk_tree_path_free (path ); | |
| 1082 } | |
| 1083 } else { | |
| 1084 return false; | |
| 1085 } | |
| 1086 } | |
| 1087 bool dragDetect = super.dragDetect (x, y, filter, consume); | |
| 1088 if (dragDetect && selected && consume !is null) consume [0] = true; | |
| 1089 return dragDetect; | |
| 1090 } | |
| 1091 | |
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1092 override GdkDrawable* eventWindow () { |
| 90 | 1093 return paintWindow (); |
| 1094 } | |
| 1095 | |
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1096 override void fixChildren (Shell newShell, Shell oldShell, Decorations newDecorations, Decorations oldDecorations, Menu [] menus) { |
| 90 | 1097 super.fixChildren (newShell, oldShell, newDecorations, oldDecorations, menus); |
| 1098 for (int i=0; i<columnCount; i++) { | |
| 1099 TreeColumn column = columns [i]; | |
| 1100 if (column.toolTipText !is null) { | |
| 1101 column.setToolTipText(oldShell, null); | |
| 1102 column.setToolTipText(newShell, column.toolTipText); | |
| 1103 } | |
| 1104 } | |
| 1105 } | |
| 1106 | |
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1107 override GdkColor* getBackgroundColor () { |
| 90 | 1108 return getBaseColor (); |
| 1109 } | |
| 1110 | |
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1111 public override Rectangle getClientArea () { |
| 90 | 1112 checkWidget (); |
| 1113 forceResize (); | |
| 1114 OS.gtk_widget_realize (handle); | |
| 1115 auto fixedWindow = OS.GTK_WIDGET_WINDOW (fixedHandle); | |
| 1116 auto binWindow = OS.gtk_tree_view_get_bin_window (handle); | |
| 1117 int binX, binY; | |
| 1118 OS.gdk_window_get_origin (binWindow, &binX, &binY); | |
| 1119 int fixedX, fixedY; | |
| 1120 OS.gdk_window_get_origin (fixedWindow, &fixedX, &fixedY); | |
| 1121 auto clientHandle = clientHandle (); | |
| 1122 int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (clientHandle); | |
| 1123 int height = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (clientHandle); | |
| 1124 return new Rectangle (fixedX - binX , fixedY - binY , width, height); | |
| 1125 } | |
| 1126 | |
| 1127 /** | |
| 1128 * Returns the column at the given, zero-relative index in the | |
| 1129 * receiver. Throws an exception if the index is out of range. | |
| 1130 * Columns are returned in the order that they were created. | |
| 1131 * If no <code>TreeColumn</code>s were created by the programmer, | |
| 1132 * this method will throw <code>ERROR_INVALID_RANGE</code> despite | |
| 1133 * the fact that a single column of data may be visible in the tree. | |
| 1134 * This occurs when the programmer uses the tree like a list, adding | |
| 1135 * items but never creating a column. | |
| 1136 * | |
| 1137 * @param index the index of the column to return | |
| 1138 * @return the column at the given index | |
| 1139 * | |
| 1140 * @exception IllegalArgumentException <ul> | |
| 1141 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> | |
| 1142 * </ul> | |
| 1143 * @exception DWTException <ul> | |
| 1144 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1145 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1146 * </ul> | |
| 1147 * | |
| 1148 * @see Tree#getColumnOrder() | |
| 1149 * @see Tree#setColumnOrder(int[]) | |
| 1150 * @see TreeColumn#getMoveable() | |
| 1151 * @see TreeColumn#setMoveable(bool) | |
| 1152 * @see DWT#Move | |
| 1153 * | |
| 1154 * @since 3.1 | |
| 1155 */ | |
| 1156 public TreeColumn getColumn (int index) { | |
| 1157 checkWidget(); | |
| 1158 if (!(0 <= index && index < columnCount)) error (DWT.ERROR_INVALID_RANGE); | |
| 1159 return columns [index]; | |
| 1160 } | |
| 1161 | |
| 1162 /** | |
| 1163 * Returns the number of columns contained in the receiver. | |
| 1164 * If no <code>TreeColumn</code>s were created by the programmer, | |
| 1165 * this value is zero, despite the fact that visually, one column | |
| 1166 * of items may be visible. This occurs when the programmer uses | |
| 1167 * the tree like a list, adding items but never creating a column. | |
| 1168 * | |
| 1169 * @return the number of columns | |
| 1170 * | |
| 1171 * @exception DWTException <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 3.1 | |
| 1177 */ | |
| 1178 public int getColumnCount () { | |
| 1179 checkWidget(); | |
| 1180 return columnCount; | |
| 1181 } | |
| 1182 | |
| 1183 /** | |
| 1184 * Returns an array of zero-relative integers that map | |
| 1185 * the creation order of the receiver's items to the | |
| 1186 * order in which they are currently being displayed. | |
| 1187 * <p> | |
| 1188 * Specifically, the indices of the returned array represent | |
| 1189 * the current visual order of the items, and the contents | |
| 1190 * of the array represent the creation order of the items. | |
| 1191 * </p><p> | |
| 1192 * Note: This is not the actual structure used by the receiver | |
| 1193 * to maintain its list of items, so modifying the array will | |
| 1194 * not affect the receiver. | |
| 1195 * </p> | |
| 1196 * | |
| 1197 * @return the current visual order of the receiver's items | |
| 1198 * | |
| 1199 * @exception DWTException <ul> | |
| 1200 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1201 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1202 * </ul> | |
| 1203 * | |
| 1204 * @see Tree#setColumnOrder(int[]) | |
| 1205 * @see TreeColumn#getMoveable() | |
| 1206 * @see TreeColumn#setMoveable(bool) | |
| 1207 * @see DWT#Move | |
| 1208 * | |
| 1209 * @since 3.2 | |
| 1210 */ | |
| 1211 public int [] getColumnOrder () { | |
| 1212 checkWidget (); | |
| 1213 if (columnCount is 0) return null; | |
| 1214 auto list = OS.gtk_tree_view_get_columns (handle); | |
| 1215 if (list is null) return null; | |
| 1216 int i = 0, count = OS.g_list_length (list); | |
| 1217 int [] order = new int [count]; | |
| 1218 auto temp = list; | |
| 1219 while (temp !is null) { | |
| 1220 auto column = OS.g_list_data (temp); | |
| 1221 if (column !is null) { | |
| 1222 for (int j=0; j<columnCount; j++) { | |
| 1223 if (columns [j].handle is column) { | |
| 1224 order [i++] = j; | |
| 1225 break; | |
| 1226 } | |
| 1227 } | |
| 1228 } | |
| 1229 temp = OS.g_list_next (temp); | |
| 1230 } | |
| 1231 OS.g_list_free (list); | |
| 1232 return order; | |
| 1233 } | |
| 1234 | |
| 1235 uint[] getColumnTypes (int columnCount) { | |
| 1236 uint[] types = new uint [FIRST_COLUMN + (columnCount * CELL_TYPES)]; | |
| 1237 // per row data | |
| 1238 types [ID_COLUMN] = OS.G_TYPE_INT (); | |
| 1239 types [CHECKED_COLUMN] = OS.G_TYPE_BOOLEAN (); | |
| 1240 types [GRAYED_COLUMN] = OS.G_TYPE_BOOLEAN (); | |
| 1241 types [FOREGROUND_COLUMN] = OS.GDK_TYPE_COLOR (); | |
| 1242 types [BACKGROUND_COLUMN] = OS.GDK_TYPE_COLOR (); | |
| 1243 types [FONT_COLUMN] = OS.PANGO_TYPE_FONT_DESCRIPTION (); | |
| 1244 // per cell data | |
| 1245 for (int i=FIRST_COLUMN; i<types.length; i+=CELL_TYPES) { | |
| 1246 types [i + CELL_PIXBUF] = OS.GDK_TYPE_PIXBUF (); | |
| 1247 types [i + CELL_TEXT] = OS.G_TYPE_STRING (); | |
| 1248 types [i + CELL_FOREGROUND] = OS.GDK_TYPE_COLOR (); | |
| 1249 types [i + CELL_BACKGROUND] = OS.GDK_TYPE_COLOR (); | |
| 1250 types [i + CELL_FONT] = OS.PANGO_TYPE_FONT_DESCRIPTION (); | |
| 1251 } | |
| 1252 return types; | |
| 1253 } | |
| 1254 | |
| 1255 /** | |
| 1256 * Returns an array of <code>TreeColumn</code>s which are the | |
| 1257 * columns in the receiver. Columns are returned in the order | |
| 1258 * that they were created. If no <code>TreeColumn</code>s were | |
| 1259 * created by the programmer, the array is empty, despite the fact | |
| 1260 * that visually, one column of items may be visible. This occurs | |
| 1261 * when the programmer uses the tree like a list, adding items but | |
| 1262 * never creating a column. | |
| 1263 * <p> | |
| 1264 * Note: This is not the actual structure used by the receiver | |
| 1265 * to maintain its list of items, so modifying the array will | |
| 1266 * not affect the receiver. | |
| 1267 * </p> | |
| 1268 * | |
| 1269 * @return the items in the receiver | |
| 1270 * | |
| 1271 * @exception DWTException <ul> | |
| 1272 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1273 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1274 * </ul> | |
| 1275 * | |
| 1276 * @see Tree#getColumnOrder() | |
| 1277 * @see Tree#setColumnOrder(int[]) | |
| 1278 * @see TreeColumn#getMoveable() | |
| 1279 * @see TreeColumn#setMoveable(bool) | |
| 1280 * @see DWT#Move | |
| 1281 * | |
| 1282 * @since 3.1 | |
| 1283 */ | |
| 1284 public TreeColumn [] getColumns () { | |
| 1285 checkWidget(); | |
| 1286 TreeColumn [] result = new TreeColumn [columnCount]; | |
| 1287 System.arraycopy (columns, 0, result, 0, columnCount); | |
| 1288 return result; | |
| 1289 } | |
| 1290 | |
| 1291 TreeItem getFocusItem () { | |
| 1292 GtkTreePath* path; | |
| 1293 OS.gtk_tree_view_get_cursor (handle, &path, null); | |
| 1294 if (path is null) return null; | |
| 1295 TreeItem item = null; | |
| 1296 GtkTreeIter iter; | |
| 1297 if (OS.gtk_tree_model_get_iter (modelHandle, &iter, path)) { | |
| 1298 int index; | |
| 1299 OS.gtk_tree_model_get1 (modelHandle, &iter, ID_COLUMN, cast(void**)&index); | |
| 1300 if (index !is -1) item = items [index ]; //TODO should we be creating this item when index is -1? | |
| 1301 } | |
| 1302 OS.gtk_tree_path_free (path ); | |
| 1303 return item; | |
| 1304 } | |
| 1305 | |
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1306 override GdkColor* getForegroundColor () { |
| 90 | 1307 return getTextColor (); |
| 1308 } | |
| 1309 | |
| 1310 /** | |
| 1311 * Returns the width in pixels of a grid line. | |
| 1312 * | |
| 1313 * @return the width of a grid line in pixels | |
| 1314 * | |
| 1315 * @exception DWTException <ul> | |
| 1316 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1317 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1318 * </ul> | |
| 1319 * | |
| 1320 * @since 3.1 | |
| 1321 */ | |
| 1322 public int getGridLineWidth () { | |
| 1323 checkWidget(); | |
| 1324 return 0; | |
| 1325 } | |
| 1326 | |
| 1327 /** | |
| 1328 * Returns the height of the receiver's header | |
| 1329 * | |
| 1330 * @return the height of the header or zero if the header is not visible | |
| 1331 * | |
| 1332 * @exception DWTException <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 3.1 | |
| 1338 */ | |
| 1339 public int getHeaderHeight () { | |
| 1340 checkWidget (); | |
| 1341 if (!OS.gtk_tree_view_get_headers_visible (handle)) return 0; | |
| 1342 if (columnCount > 0) { | |
| 1343 GtkRequisition requisition; | |
| 1344 int height = 0; | |
| 1345 for (int i=0; i<columnCount; i++) { | |
| 1346 auto buttonHandle = columns [i].buttonHandle; | |
| 1347 if (buttonHandle !is null) { | |
| 1348 OS.gtk_widget_size_request (buttonHandle, &requisition); | |
| 1349 height = Math.max (height, requisition.height); | |
| 1350 } | |
| 1351 } | |
| 1352 return height; | |
| 1353 } | |
| 1354 OS.gtk_widget_realize (handle); | |
| 1355 auto fixedWindow = OS.GTK_WIDGET_WINDOW (fixedHandle); | |
| 1356 auto binWindow = OS.gtk_tree_view_get_bin_window (handle); | |
| 1357 int binY ; | |
| 1358 OS.gdk_window_get_origin (binWindow, null, &binY); | |
| 1359 int fixedY; | |
| 1360 OS.gdk_window_get_origin (fixedWindow, null, &fixedY); | |
| 1361 return binY - fixedY ; | |
| 1362 } | |
| 1363 | |
| 1364 /** | |
| 1365 * Returns <code>true</code> if the receiver's header is visible, | |
| 1366 * and <code>false</code> otherwise. | |
| 1367 * <p> | |
| 1368 * If one of the receiver's ancestors is not visible or some | |
| 1369 * other condition makes the receiver not visible, this method | |
| 1370 * may still indicate that it is considered visible even though | |
| 1371 * it may not actually be showing. | |
| 1372 * </p> | |
| 1373 * | |
| 1374 * @return the receiver's header's visibility state | |
| 1375 * | |
| 1376 * @exception DWTException <ul> | |
| 1377 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1378 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1379 * </ul> | |
| 1380 * | |
| 1381 * @since 3.1 | |
| 1382 */ | |
| 1383 public bool getHeaderVisible () { | |
| 1384 checkWidget(); | |
| 1385 return cast(bool)OS.gtk_tree_view_get_headers_visible (handle); | |
| 1386 } | |
| 1387 | |
| 1388 /** | |
| 1389 * Returns the item at the given, zero-relative index in the | |
| 1390 * receiver. Throws an exception if the index is out of range. | |
| 1391 * | |
| 1392 * @param index the index of the item to return | |
| 1393 * @return the item at the given index | |
| 1394 * | |
| 1395 * @exception IllegalArgumentException <ul> | |
| 1396 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> | |
| 1397 * </ul> | |
| 1398 * @exception DWTException <ul> | |
| 1399 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1400 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1401 * </ul> | |
| 1402 * | |
| 1403 * @since 3.1 | |
| 1404 */ | |
| 1405 public TreeItem getItem (int index) { | |
| 1406 checkWidget(); | |
| 1407 if (!(0 <= index && index < OS.gtk_tree_model_iter_n_children (modelHandle, null))) { | |
| 1408 error (DWT.ERROR_INVALID_RANGE); | |
| 1409 } | |
| 1410 return _getItem (null, index); | |
| 1411 } | |
| 1412 | |
| 1413 /** | |
| 1414 * Returns the item at the given point in the receiver | |
| 1415 * or null if no such item exists. The point is in the | |
| 1416 * coordinate system of the receiver. | |
| 1417 * <p> | |
| 1418 * The item that is returned represents an item that could be selected by the user. | |
| 1419 * For example, if selection only occurs in items in the first column, then null is | |
| 1420 * returned if the point is outside of the item. | |
| 1421 * Note that the DWT.FULL_SELECTION style hint, which specifies the selection policy, | |
| 1422 * determines the extent of the selection. | |
| 1423 * </p> | |
| 1424 * | |
| 1425 * @param point the point used to locate the item | |
| 1426 * @return the item at the given point, or null if the point is not in a selectable item | |
| 1427 * | |
| 1428 * @exception IllegalArgumentException <ul> | |
| 1429 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> | |
| 1430 * </ul> | |
| 1431 * @exception DWTException <ul> | |
| 1432 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1433 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1434 * </ul> | |
| 1435 */ | |
| 1436 public TreeItem getItem (Point point) { | |
| 1437 checkWidget (); | |
| 1438 if (point is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 1439 void* path; | |
| 1440 OS.gtk_widget_realize (handle); | |
| 1441 GtkTreeViewColumn* columnHandle; | |
| 1442 if (!OS.gtk_tree_view_get_path_at_pos (handle, point.x, point.y, &path, &columnHandle, null, null)) return null; | |
| 1443 if (path is null) return null; | |
| 1444 TreeItem item = null; | |
| 1445 GtkTreeIter iter; | |
| 1446 if (OS.gtk_tree_model_get_iter (modelHandle, &iter, path )) { | |
| 1447 bool overExpander = false; | |
| 1448 if (OS.gtk_tree_view_get_expander_column (handle) is columnHandle ) { | |
| 1449 int buffer; | |
| 1450 GdkRectangle rect; | |
| 1451 OS.gtk_tree_view_get_cell_area (handle, path, columnHandle, &rect); | |
| 1452 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18)) { | |
| 1453 OS.gtk_widget_style_get1 (handle, OS.expander_size.ptr, &buffer); | |
| 1454 int expanderSize = buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 1455 overExpander = point.x < rect.x + expanderSize; | |
| 1456 } else { | |
| 1457 overExpander = point.x < rect.x; | |
| 1458 } | |
| 1459 } | |
| 1460 if (!overExpander) { | |
| 1461 item = _getItem (&iter); | |
| 1462 } | |
| 1463 } | |
| 1464 OS.gtk_tree_path_free (path ); | |
| 1465 return item; | |
| 1466 } | |
| 1467 | |
| 1468 /** | |
| 1469 * Returns the number of items contained in the receiver | |
| 1470 * that are direct item children of the receiver. The | |
| 1471 * number that is returned is the number of roots in the | |
| 1472 * tree. | |
| 1473 * | |
| 1474 * @return the number of items | |
| 1475 * | |
| 1476 * @exception DWTException <ul> | |
| 1477 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1478 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1479 * </ul> | |
| 1480 */ | |
| 1481 public int getItemCount () { | |
| 1482 checkWidget (); | |
| 1483 return OS.gtk_tree_model_iter_n_children (modelHandle, null); | |
| 1484 } | |
| 1485 | |
| 1486 /** | |
| 1487 * Returns the height of the area which would be used to | |
| 1488 * display <em>one</em> of the items in the tree. | |
| 1489 * | |
| 1490 * @return the height of one item | |
| 1491 * | |
| 1492 * @exception DWTException <ul> | |
| 1493 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1494 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1495 * </ul> | |
| 1496 */ | |
| 1497 public int getItemHeight () { | |
| 1498 checkWidget (); | |
| 1499 int itemCount = OS.gtk_tree_model_iter_n_children (modelHandle, null); | |
| 1500 if (itemCount is 0) { | |
| 1501 auto column = OS.gtk_tree_view_get_column (handle, 0); | |
| 1502 int w, h; | |
| 1503 ignoreSize = true; | |
| 1504 OS.gtk_tree_view_column_cell_get_size (column, null, null, null, &w, &h); | |
| 1505 ignoreSize = false; | |
| 1506 return h ; | |
| 1507 } else { | |
| 1508 int height = 0; | |
| 1509 GtkTreeIter iter; | |
| 1510 OS.gtk_tree_model_get_iter_first (modelHandle, &iter); | |
| 1511 int columnCount = Math.max (1, this.columnCount); | |
| 1512 for (int i=0; i<columnCount; i++) { | |
| 1513 auto column = OS.gtk_tree_view_get_column (handle, i); | |
| 1514 OS.gtk_tree_view_column_cell_set_cell_data (column, modelHandle, &iter, false, false); | |
| 1515 int w, h; | |
| 1516 OS.gtk_tree_view_column_cell_get_size (column, null, null, null, &w, &h); | |
| 1517 height = Math.max (height, h ); | |
| 1518 } | |
| 1519 return height; | |
| 1520 } | |
| 1521 } | |
| 1522 | |
| 1523 /** | |
| 1524 * Returns a (possibly empty) array of items contained in the | |
| 1525 * receiver that are direct item children of the receiver. These | |
| 1526 * are the roots of the tree. | |
| 1527 * <p> | |
| 1528 * Note: This is not the actual structure used by the receiver | |
| 1529 * to maintain its list of items, so modifying the array will | |
| 1530 * not affect the receiver. | |
| 1531 * </p> | |
| 1532 * | |
| 1533 * @return the items | |
| 1534 * | |
| 1535 * @exception DWTException <ul> | |
| 1536 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1537 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1538 * </ul> | |
| 1539 */ | |
| 1540 public TreeItem [] getItems () { | |
| 1541 checkWidget(); | |
| 1542 return getItems (null); | |
| 1543 } | |
| 1544 | |
| 1545 TreeItem [] getItems (GtkTreeIter* parent) { | |
| 1546 int length = OS.gtk_tree_model_iter_n_children (modelHandle, parent); | |
| 1547 TreeItem[] result = new TreeItem [length]; | |
| 1548 if (length is 0) return result; | |
| 1549 if ((style & DWT.VIRTUAL) !is 0) { | |
| 1550 for (int i=0; i<length; i++) { | |
| 1551 result [i] = _getItem (parent, i); | |
| 1552 } | |
| 1553 } else { | |
| 1554 int i = 0; | |
| 1555 int index; | |
| 1556 GtkTreeIter iter; | |
| 1557 bool valid = cast(bool)OS.gtk_tree_model_iter_children (modelHandle, &iter, parent); | |
| 1558 while (valid) { | |
| 1559 OS.gtk_tree_model_get1 (modelHandle, &iter, ID_COLUMN, cast(void**)&index); | |
| 1560 result [i++] = items [index ]; | |
| 1561 valid = cast(bool)OS.gtk_tree_model_iter_next (modelHandle, &iter); | |
| 1562 } | |
| 1563 } | |
| 1564 return result; | |
| 1565 } | |
| 1566 | |
| 1567 /** | |
| 1568 * Returns <code>true</code> if the receiver's lines are visible, | |
| 1569 * and <code>false</code> otherwise. | |
| 1570 * <p> | |
| 1571 * If one of the receiver's ancestors is not visible or some | |
| 1572 * other condition makes the receiver not visible, this method | |
| 1573 * may still indicate that it is considered visible even though | |
| 1574 * it may not actually be showing. | |
| 1575 * </p> | |
| 1576 * | |
| 1577 * @return the visibility state of the lines | |
| 1578 * | |
| 1579 * @exception DWTException <ul> | |
| 1580 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1581 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1582 * </ul> | |
| 1583 * | |
| 1584 * @since 3.1 | |
| 1585 */ | |
| 1586 public bool getLinesVisible() { | |
| 1587 checkWidget(); | |
| 1588 return cast(bool)OS.gtk_tree_view_get_rules_hint (handle); | |
| 1589 } | |
| 1590 | |
| 1591 /** | |
| 1592 * Returns the receiver's parent item, which must be a | |
| 1593 * <code>TreeItem</code> or null when the receiver is a | |
| 1594 * root. | |
| 1595 * | |
| 1596 * @return the receiver's parent item | |
| 1597 * | |
| 1598 * @exception DWTException <ul> | |
| 1599 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1600 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1601 * </ul> | |
| 1602 */ | |
| 1603 public TreeItem getParentItem () { | |
| 1604 checkWidget (); | |
| 1605 return null; | |
| 1606 } | |
| 1607 | |
| 1608 GtkCellRendererPixbuf* getPixbufRenderer (GtkTreeViewColumn* column) { | |
| 1609 auto list = OS.gtk_tree_view_column_get_cell_renderers (column); | |
| 1610 if (list is null) return null; | |
| 1611 int count = OS.g_list_length (list); | |
| 1612 GtkCellRendererPixbuf* pixbufRenderer; | |
| 1613 int i = 0; | |
| 1614 while (i < count) { | |
| 1615 auto renderer = OS.g_list_nth_data (list, i); | |
| 1616 if (OS.GTK_IS_CELL_RENDERER_PIXBUF (renderer)) { | |
| 1617 pixbufRenderer = cast(GtkCellRendererPixbuf*)renderer; | |
| 1618 break; | |
| 1619 } | |
| 1620 i++; | |
| 1621 } | |
| 1622 OS.g_list_free (list); | |
| 1623 return pixbufRenderer; | |
| 1624 } | |
| 1625 | |
| 1626 /** | |
| 1627 * Returns an array of <code>TreeItem</code>s that are currently | |
| 1628 * selected in the receiver. The order of the items is unspecified. | |
| 1629 * An empty array indicates that no items are selected. | |
| 1630 * <p> | |
| 1631 * Note: This is not the actual structure used by the receiver | |
| 1632 * to maintain its selection, so modifying the array will | |
| 1633 * not affect the receiver. | |
| 1634 * </p> | |
| 1635 * @return an array representing the selection | |
| 1636 * | |
| 1637 * @exception DWTException <ul> | |
| 1638 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1639 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1640 * </ul> | |
| 1641 */ | |
| 1642 public TreeItem[] getSelection () { | |
| 1643 checkWidget(); | |
| 1644 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 1645 if (OS.GTK_VERSION < OS.buildVERSION (2, 2, 0)) { | |
| 1646 display.treeSelectionLength = 0; | |
| 1647 display.treeSelection = new int [items.length]; | |
| 1648 display.doTreeSelectionProcConnect( &treeSelectionCallbackData, handle, selection ); | |
| 1649 TreeItem [] result = new TreeItem [display.treeSelectionLength]; | |
| 1650 for (int i=0; i<result.length; i++) result [i] = items [display.treeSelection [i]]; | |
| 1651 return result; | |
| 1652 } | |
| 1653 /* | |
| 1654 * Bug in GTK. gtk_tree_selection_get_selected_rows() segmentation faults | |
| 1655 * in versions smaller than 2.2.4 if the model is NULL. The fix is | |
| 1656 * to give a valid pointer instead. | |
| 1657 */ | |
| 1658 int dummy; | |
| 1659 void* model = OS.GTK_VERSION < OS.buildVERSION (2, 2, 4) ? &dummy : null; | |
| 1660 auto list = OS.gtk_tree_selection_get_selected_rows (selection, &model); | |
| 1661 if (list !is null) { | |
| 1662 int count = OS.g_list_length (list); | |
| 1663 TreeItem [] treeSelection = new TreeItem [count]; | |
| 1664 int length_ = 0; | |
| 1665 for (int i=0; i<count; i++) { | |
| 1666 auto data = OS.g_list_nth_data (list, i); | |
| 1667 GtkTreeIter iter; | |
| 1668 if (OS.gtk_tree_model_get_iter (modelHandle, &iter, data)) { | |
| 1669 treeSelection [length_] = _getItem (&iter); | |
| 1670 length_++; | |
| 1671 } | |
| 1672 } | |
| 1673 OS.g_list_free (list); | |
| 1674 if (length_ < count) { | |
| 1675 TreeItem [] temp = new TreeItem [length_]; | |
| 1676 System.arraycopy(treeSelection, 0, temp, 0, length_); | |
| 1677 treeSelection = temp; | |
| 1678 } | |
| 1679 return treeSelection; | |
| 1680 } | |
| 1681 return null; | |
| 1682 } | |
| 1683 | |
| 1684 /** | |
| 1685 * Returns the number of selected items contained in the receiver. | |
| 1686 * | |
| 1687 * @return the number of selected items | |
| 1688 * | |
| 1689 * @exception DWTException <ul> | |
| 1690 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1691 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1692 * </ul> | |
| 1693 */ | |
| 1694 public int getSelectionCount () { | |
| 1695 checkWidget(); | |
| 1696 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 1697 if (OS.GTK_VERSION < OS.buildVERSION (2, 2, 0)) { | |
| 1698 display.treeSelectionLength = 0; | |
| 1699 display.treeSelection = null; | |
| 1700 display.doTreeSelectionProcConnect( &treeSelectionCallbackData, handle, selection ); | |
| 1701 return display.treeSelectionLength; | |
| 1702 } | |
| 1703 return OS.gtk_tree_selection_count_selected_rows (selection); | |
| 1704 } | |
| 1705 | |
| 1706 /** | |
| 1707 * Returns the column which shows the sort indicator for | |
| 1708 * the receiver. The value may be null if no column shows | |
| 1709 * the sort indicator. | |
| 1710 * | |
| 1711 * @return the sort indicator | |
| 1712 * | |
| 1713 * @exception DWTException <ul> | |
| 1714 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1715 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1716 * </ul> | |
| 1717 * | |
| 1718 * @see #setSortColumn(TreeColumn) | |
| 1719 * | |
| 1720 * @since 3.2 | |
| 1721 */ | |
| 1722 public TreeColumn getSortColumn () { | |
| 1723 checkWidget (); | |
| 1724 return sortColumn; | |
| 1725 } | |
| 1726 | |
| 1727 /** | |
| 1728 * Returns the direction of the sort indicator for the receiver. | |
| 1729 * The value will be one of <code>UP</code>, <code>DOWN</code> | |
| 1730 * or <code>NONE</code>. | |
| 1731 * | |
| 1732 * @return the sort direction | |
| 1733 * | |
| 1734 * @exception DWTException <ul> | |
| 1735 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1736 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1737 * </ul> | |
| 1738 * | |
| 1739 * @see #setSortDirection(int) | |
| 1740 * | |
| 1741 * @since 3.2 | |
| 1742 */ | |
| 1743 public int getSortDirection () { | |
| 1744 checkWidget (); | |
| 1745 return sortDirection; | |
| 1746 } | |
| 1747 | |
| 1748 GtkCellRendererText* getTextRenderer (GtkTreeViewColumn* column) { | |
| 1749 auto list = OS.gtk_tree_view_column_get_cell_renderers (column); | |
| 1750 if (list is null) return null; | |
| 1751 int count = OS.g_list_length (list); | |
| 1752 GtkCellRendererText* textRenderer; | |
| 1753 int i = 0; | |
| 1754 while (i < count) { | |
| 1755 auto renderer = OS.g_list_nth_data (list, i); | |
| 1756 if (OS.GTK_IS_CELL_RENDERER_TEXT (renderer)) { | |
| 1757 textRenderer = cast(GtkCellRendererText*)renderer; | |
| 1758 break; | |
| 1759 } | |
| 1760 i++; | |
| 1761 } | |
| 1762 OS.g_list_free (list); | |
| 1763 return textRenderer; | |
| 1764 } | |
| 1765 | |
| 1766 /** | |
| 1767 * Returns the item which is currently at the top of the receiver. | |
| 1768 * This item can change when items are expanded, collapsed, scrolled | |
| 1769 * or new items are added or removed. | |
| 1770 * | |
| 1771 * @return the item at the top of the receiver | |
| 1772 * | |
| 1773 * @exception DWTException <ul> | |
| 1774 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1775 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1776 * </ul> | |
| 1777 * | |
| 1778 * @since 2.1 | |
| 1779 */ | |
| 1780 public TreeItem getTopItem () { | |
| 1781 checkWidget (); | |
| 1782 void* path; | |
| 1783 OS.gtk_widget_realize (handle); | |
| 1784 if (!OS.gtk_tree_view_get_path_at_pos (handle, 1, 1, &path, null, null, null)) return null; | |
| 1785 if (path is null) return null; | |
| 1786 TreeItem item = null; | |
| 1787 GtkTreeIter iter; | |
| 1788 if (OS.gtk_tree_model_get_iter (modelHandle, &iter, path )) { | |
| 1789 item = _getItem (&iter); | |
| 1790 } | |
| 1791 OS.gtk_tree_path_free (path ); | |
| 1792 return item; | |
| 1793 } | |
| 1794 | |
| 1795 override int gtk_button_press_event (GtkWidget* widget, GdkEventButton* gdkEvent) { | |
| 1796 if (gdkEvent.window !is OS.gtk_tree_view_get_bin_window (handle)) return 0; | |
| 1797 auto result = super.gtk_button_press_event (widget, gdkEvent); | |
| 1798 if (result !is 0) return result; | |
| 1799 /* | |
| 1800 * Feature in GTK. In a multi-select tree view, when multiple items are already | |
| 1801 * selected, the selection state of the item is toggled and the previous selection | |
| 1802 * is cleared. This is not the desired behaviour when bringing up a popup menu. | |
| 1803 * Also, when an item is reselected with the right button, the tree view issues | |
| 1804 * an unwanted selection event. The workaround is to detect that case and not | |
| 1805 * run the default handler when the item is already part of the current selection. | |
| 1806 */ | |
| 1807 int button = gdkEvent.button; | |
| 1808 if (button is 3 && gdkEvent.type is OS.GDK_BUTTON_PRESS) { | |
| 1809 void* path; | |
| 1810 if (OS.gtk_tree_view_get_path_at_pos (handle, cast(int)gdkEvent.x, cast(int)gdkEvent.y, &path, null, null, null)) { | |
| 1811 if (path !is null) { | |
| 1812 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 1813 if (OS.gtk_tree_selection_path_is_selected (selection, path )) result = 1; | |
| 1814 OS.gtk_tree_path_free (path ); | |
| 1815 } | |
| 1816 } | |
| 1817 } | |
| 1818 | |
| 1819 /* | |
| 1820 * Feature in GTK. When the user clicks in a single selection GtkTreeView | |
| 1821 * and there are no selected items, the first item is selected automatically | |
| 1822 * before the click is processed, causing two selection events. The is fix | |
| 1823 * is the set the cursor item to be same as the clicked item to stop the | |
| 1824 * widget from automatically selecting the first item. | |
| 1825 */ | |
| 1826 if ((style & DWT.SINGLE) !is 0 && getSelectionCount () is 0) { | |
| 1827 void* path; | |
| 1828 if (OS.gtk_tree_view_get_path_at_pos (handle, cast(int)gdkEvent.x, cast(int)gdkEvent.y, &path, null, null, null)) { | |
| 1829 if (path !is null) { | |
| 1830 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 1831 OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 1832 OS.gtk_tree_view_set_cursor (handle, path , null, false); | |
| 1833 OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 1834 OS.gtk_tree_path_free (path ); | |
| 1835 } | |
| 1836 } | |
| 1837 } | |
| 1838 /* | |
| 1839 * Bug in GTK. GTK segments fault, if the GtkTreeView widget is | |
| 1840 * not in focus and all items in the widget are disposed before | |
| 1841 * it finishes processing a button press. The fix is to give | |
| 1842 * focus to the widget before it starts processing the event. | |
| 1843 */ | |
| 1844 if (!OS.GTK_WIDGET_HAS_FOCUS (handle)) { | |
| 1845 OS.gtk_widget_grab_focus (handle); | |
| 1846 } | |
| 1847 return result; | |
| 1848 } | |
| 1849 | |
| 1850 override int gtk_button_release_event (GtkWidget* widget, GdkEventButton* event) { | |
| 1851 auto window = OS.GDK_EVENT_WINDOW (event); | |
| 1852 if (window !is OS.gtk_tree_view_get_bin_window (handle)) return 0; | |
| 1853 return super.gtk_button_release_event (widget, event); | |
| 1854 } | |
| 1855 | |
| 1856 override int gtk_changed (GtkWidget* widget) { | |
| 1857 TreeItem item = getFocusItem (); | |
| 1858 if (item !is null) { | |
| 1859 Event event = new Event (); | |
| 1860 event.item = item; | |
| 1861 postEvent (DWT.Selection, event); | |
| 1862 } | |
| 1863 return 0; | |
| 1864 } | |
| 1865 | |
| 1866 override int gtk_expand_collapse_cursor_row (GtkWidget* widget, int /*long*/ logical, int /*long*/ expand, int /*long*/ open_all) { | |
| 1867 // FIXME - this flag is never cleared. It should be cleared when the expand all operation completes. | |
| 1868 if (expand !is 0 && open_all !is 0) expandAll = true; | |
| 1869 return 0; | |
| 1870 } | |
| 1871 | |
| 1872 override int gtk_key_press_event (GtkWidget* widget, GdkEventKey* keyEvent) { | |
| 1873 auto result = super.gtk_key_press_event (widget, keyEvent); | |
| 1874 if (result !is 0) return result; | |
| 1875 if (OS.GTK_VERSION < OS.buildVERSION (2, 2 ,0)) { | |
| 1876 /* | |
| 1877 * Feature in GTK 2.0.x. When an item is default selected using | |
| 1878 * the return key, GTK does not issue notification. The fix is | |
| 1879 * to issue this notification when the return key is pressed. | |
| 1880 */ | |
| 1881 int key = keyEvent.keyval; | |
| 1882 switch (key) { | |
| 1883 case OS.GDK_Return: | |
| 1884 case OS.GDK_KP_Enter: { | |
| 1885 Event event = new Event (); | |
| 1886 event.item = getFocusItem (); | |
| 1887 postEvent (DWT.DefaultSelection, event); | |
| 1888 break; | |
| 1889 } | |
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1890 default: |
| 90 | 1891 } |
| 1892 } | |
| 1893 return result; | |
| 1894 } | |
| 1895 | |
| 1896 override int gtk_motion_notify_event (GtkWidget* widget, GdkEventMotion* event) { | |
| 1897 auto window = OS.GDK_EVENT_WINDOW (event); | |
| 1898 if (window !is OS.gtk_tree_view_get_bin_window (handle)) return 0; | |
| 1899 return super.gtk_motion_notify_event (widget, event); | |
| 1900 } | |
| 1901 | |
| 1902 override int gtk_popup_menu (GtkWidget* widget) { | |
| 1903 auto result = super.gtk_popup_menu (widget); | |
| 1904 /* | |
| 1905 * Bug in GTK. The context menu for the typeahead in GtkTreeViewer | |
| 1906 * opens in the bottom right corner of the screen when Shift+F10 | |
| 1907 * is pressed and the typeahead window was not visible. The fix is | |
| 1908 * to prevent the context menu from opening by stopping the default | |
| 1909 * handler. | |
| 1910 * | |
| 1911 * NOTE: The bug only happens in GTK 2.6.5 and lower. | |
| 1912 */ | |
| 1913 return OS.GTK_VERSION < OS.buildVERSION (2, 6, 5) ? 1 : result; | |
| 1914 } | |
| 1915 | |
| 1916 override void gtk_row_activated (GtkTreeView* tree, GtkTreePath* path, GtkTreeViewColumn* column) { | |
| 1917 if (path is null) return 0; | |
| 1918 TreeItem item = null; | |
| 1919 GtkTreeIter iter; | |
| 1920 if (OS.gtk_tree_model_get_iter (modelHandle, &iter, path)) { | |
| 1921 int index; | |
| 1922 OS.gtk_tree_model_get1 (modelHandle, &iter, ID_COLUMN, cast(void**)&index); | |
| 1923 item = items [index ]; | |
| 1924 } | |
| 1925 Event event = new Event (); | |
| 1926 event.item = item; | |
| 1927 postEvent (DWT.DefaultSelection, event); | |
| 1928 return 0; | |
| 1929 } | |
| 1930 | |
| 1931 override int gtk_test_collapse_row ( | |
| 1932 GtkTreeView *tree, | |
| 1933 GtkTreeIter *iter, | |
| 1934 GtkTreePath *path) | |
| 1935 { | |
| 1936 int index ; | |
| 1937 OS.gtk_tree_model_get1 (modelHandle, iter, ID_COLUMN, cast(void**)&index); | |
| 1938 TreeItem item = items [index ]; | |
| 1939 Event event = new Event (); | |
| 1940 event.item = item; | |
| 1941 bool oldModelChanged = modelChanged; | |
| 1942 modelChanged = false; | |
| 1943 sendEvent (DWT.Collapse, event); | |
| 1944 /* | |
| 1945 * Bug in GTK. Collapsing the target row during the test_collapse_row | |
| 1946 * handler will cause a segmentation fault if the animation code is allowed | |
| 1947 * to run. The fix is to block the animation if the row is already | |
| 1948 * collapsed. | |
| 1949 */ | |
| 1950 bool changed = modelChanged || !OS.gtk_tree_view_row_expanded (handle, path); | |
| 1951 modelChanged = oldModelChanged; | |
| 1952 if (isDisposed () || item.isDisposed ()) return 1; | |
| 1953 /* | |
| 1954 * Bug in GTK. Expanding or collapsing a row which has no more | |
| 1955 * children causes the model state to become invalid, causing | |
| 1956 * GTK to give warnings and behave strangely. Other changes to | |
| 1957 * the model can cause expansion to fail when using the multiple | |
| 1958 * expansion keys (such as *). The fix is to stop the expansion | |
| 1959 * if there are model changes. | |
| 1960 * | |
| 1961 * Note: This callback must return 0 for the collapsing | |
| 1962 * animation to occur. | |
| 1963 */ | |
| 1964 if (changed) { | |
| 1965 OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_COLLAPSE_ROW); | |
| 1966 OS.gtk_tree_view_collapse_row (handle, path); | |
| 1967 OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_COLLAPSE_ROW); | |
| 1968 return 1; | |
| 1969 } | |
| 1970 return 0; | |
| 1971 } | |
| 1972 | |
| 1973 override int gtk_test_expand_row ( | |
| 1974 GtkTreeView *tree, | |
| 1975 GtkTreeIter *iter, | |
| 1976 GtkTreePath *path) | |
| 1977 { | |
| 1978 int index ; | |
| 1979 OS.gtk_tree_model_get1 (modelHandle, iter, ID_COLUMN, cast(void**)&index); | |
| 1980 TreeItem item = items [index ]; | |
| 1981 Event event = new Event (); | |
| 1982 event.item = item; | |
| 1983 bool oldModelChanged = modelChanged; | |
| 1984 modelChanged = false; | |
| 1985 sendEvent (DWT.Expand, event); | |
| 1986 /* | |
| 1987 * Bug in GTK. Expanding the target row during the test_expand_row | |
| 1988 * handler will cause a segmentation fault if the animation code is allowed | |
| 1989 * to run. The fix is to block the animation if the row is already | |
| 1990 * expanded. | |
| 1991 */ | |
| 1992 bool changed = modelChanged || OS.gtk_tree_view_row_expanded (handle, path); | |
| 1993 modelChanged = oldModelChanged; | |
| 1994 if (isDisposed () || item.isDisposed ()) return 1; | |
| 1995 /* | |
| 1996 * Bug in GTK. Expanding or collapsing a row which has no more | |
| 1997 * children causes the model state to become invalid, causing | |
| 1998 * GTK to give warnings and behave strangely. Other changes to | |
| 1999 * the model can cause expansion to fail when using the multiple | |
| 2000 * expansion keys (such as *). The fix is to stop the expansion | |
| 2001 * if there are model changes. | |
| 2002 * | |
| 2003 * Bug in GTK. test-expand-row does not get called for each row | |
| 2004 * in an expand all operation. The fix is to block the initial | |
| 2005 * expansion and only expand a single level. | |
| 2006 * | |
| 2007 * Note: This callback must return 0 for the collapsing | |
| 2008 * animation to occur. | |
| 2009 */ | |
| 2010 if (changed || expandAll) { | |
| 2011 OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_EXPAND_ROW); | |
| 2012 OS.gtk_tree_view_expand_row (handle, path, false); | |
| 2013 OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEST_EXPAND_ROW); | |
| 2014 return 1; | |
| 2015 } | |
| 2016 return 0; | |
| 2017 } | |
| 2018 | |
| 2019 override int gtk_toggled (int /*long*/ renderer, char* pathStr) { | |
| 2020 auto path = OS.gtk_tree_path_new_from_string (pathStr); | |
| 2021 if (path is null) return 0; | |
| 2022 TreeItem item = null; | |
| 2023 GtkTreeIter iter; | |
| 2024 if (OS.gtk_tree_model_get_iter (modelHandle, &iter, path)) { | |
| 2025 item = _getItem (&iter); | |
| 2026 } | |
| 2027 OS.gtk_tree_path_free (path); | |
| 2028 if (item !is null) { | |
| 2029 item.setChecked (!item.getChecked ()); | |
| 2030 Event event = new Event (); | |
| 2031 event.detail = DWT.CHECK; | |
| 2032 event.item = item; | |
| 2033 postEvent (DWT.Selection, event); | |
| 2034 } | |
| 2035 return 0; | |
| 2036 } | |
| 2037 | |
| 2038 override void gtk_widget_size_request (GtkWidget* widget, GtkRequisition* requisition) { | |
| 2039 /* | |
| 2040 * Bug in GTK. For some reason, gtk_widget_size_request() fails | |
| 2041 * to include the height of the tree view items when there are | |
| 2042 * no columns visible. The fix is to temporarily make one column | |
| 2043 * visible. | |
| 2044 */ | |
| 2045 if (columnCount is 0) { | |
| 2046 super.gtk_widget_size_request (widget, requisition); | |
| 2047 return; | |
| 2048 } | |
| 2049 auto columns = OS.gtk_tree_view_get_columns (handle), list = columns; | |
| 2050 bool fixVisible = columns !is null; | |
| 2051 while (list !is null) { | |
| 2052 auto column = OS.g_list_data (list); | |
| 2053 if (OS.gtk_tree_view_column_get_visible (column)) { | |
| 2054 fixVisible = false; | |
| 2055 break; | |
| 2056 } | |
| 2057 list = OS.g_list_next (list); | |
| 2058 } | |
| 2059 GtkTreeViewColumn* columnHandle; | |
| 2060 if (fixVisible) { | |
| 2061 columnHandle = cast(GtkTreeViewColumn*)OS.g_list_data (columns); | |
| 2062 OS.gtk_tree_view_column_set_visible (columnHandle, true); | |
| 2063 } | |
| 2064 super.gtk_widget_size_request (widget, requisition); | |
| 2065 if (fixVisible) { | |
| 2066 OS.gtk_tree_view_column_set_visible (columnHandle, false); | |
| 2067 } | |
| 2068 if (columns !is null) OS.g_list_free (columns); | |
| 2069 } | |
| 2070 | |
| 2071 void hideFirstColumn () { | |
| 2072 auto firstColumn = OS.gtk_tree_view_get_column (handle, 0); | |
| 2073 OS.gtk_tree_view_column_set_visible (firstColumn, false); | |
| 2074 } | |
| 2075 | |
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2076 override void hookEvents () { |
| 90 | 2077 super.hookEvents (); |
| 2078 auto selection = OS.gtk_tree_view_get_selection(handle); | |
| 2079 OS.g_signal_connect_closure (selection, OS.changed.ptr, display.closures [CHANGED], false); | |
| 2080 OS.g_signal_connect_closure (handle, OS.row_activated.ptr, display.closures [ROW_ACTIVATED], false); | |
| 2081 OS.g_signal_connect_closure (handle, OS.test_expand_row.ptr, display.closures [TEST_EXPAND_ROW], false); | |
| 2082 OS.g_signal_connect_closure (handle, OS.test_collapse_row.ptr, display.closures [TEST_COLLAPSE_ROW], false); | |
| 2083 OS.g_signal_connect_closure (handle, OS.expand_collapse_cursor_row.ptr, display.closures [EXPAND_COLLAPSE_CURSOR_ROW], false); | |
| 2084 if (checkRenderer !is null) { | |
| 2085 OS.g_signal_connect_closure (checkRenderer, OS.toggled.ptr, display.closures [TOGGLED], false); | |
| 2086 } | |
| 2087 } | |
| 2088 | |
| 2089 /** | |
| 2090 * Searches the receiver's list starting at the first column | |
| 2091 * (index 0) until a column is found that is equal to the | |
| 2092 * argument, and returns the index of that column. If no column | |
| 2093 * is found, returns -1. | |
| 2094 * | |
| 2095 * @param column the search column | |
| 2096 * @return the index of the column | |
| 2097 * | |
| 2098 * @exception IllegalArgumentException <ul> | |
| 2099 * <li>ERROR_NULL_ARGUMENT - if the column is null</li> | |
| 2100 * </ul> | |
| 2101 * @exception DWTException <ul> | |
| 2102 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2103 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2104 * </ul> | |
| 2105 * | |
| 2106 * @since 3.1 | |
| 2107 */ | |
| 2108 public int indexOf (TreeColumn column) { | |
| 2109 checkWidget(); | |
| 2110 if (column is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 2111 for (int i=0; i<columnCount; i++) { | |
| 2112 if (columns [i] is column) return i; | |
| 2113 } | |
| 2114 return -1; | |
| 2115 } | |
| 2116 | |
| 2117 /** | |
| 2118 * Searches the receiver's list starting at the first item | |
| 2119 * (index 0) until an item is found that is equal to the | |
| 2120 * argument, and returns the index of that item. If no item | |
| 2121 * is found, returns -1. | |
| 2122 * | |
| 2123 * @param item the search item | |
| 2124 * @return the index of the item | |
| 2125 * | |
| 2126 * @exception IllegalArgumentException <ul> | |
| 2127 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
| 2128 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
| 2129 * </ul> | |
| 2130 * @exception DWTException <ul> | |
| 2131 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2132 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2133 * </ul> | |
| 2134 * | |
| 2135 * @since 3.1 | |
| 2136 */ | |
| 2137 public int indexOf (TreeItem item) { | |
| 2138 checkWidget(); | |
| 2139 if (item is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 2140 if (item.isDisposed()) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 2141 int index = -1; | |
| 2142 auto path = OS.gtk_tree_model_get_path (modelHandle, item.handle); | |
| 2143 int depth = OS.gtk_tree_path_get_depth (path); | |
| 2144 if (depth is 1) { | |
| 2145 auto indices = OS.gtk_tree_path_get_indices (path); | |
| 2146 if (indices !is null) { | |
| 2147 index = indices[0]; | |
| 2148 } | |
| 2149 } | |
| 2150 OS.gtk_tree_path_free (path); | |
| 2151 return index; | |
| 2152 } | |
| 2153 | |
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2154 override bool mnemonicHit (wchar key) { |
| 90 | 2155 for (int i=0; i<columnCount; i++) { |
| 2156 auto labelHandle = columns [i].labelHandle; | |
| 2157 if (labelHandle !is null && mnemonicHit (labelHandle, key)) return true; | |
| 2158 } | |
| 2159 return false; | |
| 2160 } | |
| 2161 | |
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2162 override bool mnemonicMatch (wchar key) { |
| 90 | 2163 for (int i=0; i<columnCount; i++) { |
| 2164 auto labelHandle = columns [i].labelHandle; | |
| 2165 if (labelHandle !is null && mnemonicMatch (labelHandle, key)) return true; | |
| 2166 } | |
| 2167 return false; | |
| 2168 } | |
| 2169 | |
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2170 override GdkDrawable* paintWindow () { |
| 90 | 2171 OS.gtk_widget_realize (handle); |
| 2172 return OS.gtk_tree_view_get_bin_window (handle); | |
| 2173 } | |
| 2174 | |
| 2175 void recreateRenderers () { | |
| 2176 if (checkRenderer !is null) { | |
| 2177 display.removeWidget (cast(GtkWidget*)checkRenderer); | |
| 2178 OS.g_object_unref (checkRenderer); | |
| 2179 checkRenderer = ownerDraw ? cast(GtkCellRenderer*)OS.g_object_new (display.gtk_cell_renderer_toggle_get_type(), null) : OS.gtk_cell_renderer_toggle_new (); | |
| 2180 if (checkRenderer is null) error (DWT.ERROR_NO_HANDLES); | |
| 2181 OS.g_object_ref (checkRenderer); | |
| 2182 display.addWidget (cast(GtkWidget*)checkRenderer, this); | |
| 2183 OS.g_signal_connect_closure (checkRenderer, OS.toggled.ptr, display.closures [TOGGLED], false); | |
| 2184 } | |
| 2185 if (columnCount is 0) { | |
| 2186 createRenderers (OS.gtk_tree_view_get_column (handle, 0), Tree.FIRST_COLUMN, true, 0); | |
| 2187 } else { | |
| 2188 for (int i = 0; i < columnCount; i++) { | |
| 2189 TreeColumn column = columns [i]; | |
| 2190 createRenderers (cast(GtkTreeViewColumn*)column.handle, column.modelIndex, i is 0, column.style); | |
| 2191 } | |
| 2192 } | |
| 2193 } | |
| 2194 | |
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2195 override void redrawBackgroundImage () { |
| 90 | 2196 Control control = findBackgroundControl (); |
| 2197 if (control !is null && control.backgroundImage !is null) { | |
| 2198 redrawWidget (0, 0, 0, 0, true, false, false); | |
| 2199 } | |
| 2200 } | |
| 2201 | |
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2202 override void register () { |
| 90 | 2203 super.register (); |
| 2204 display.addWidget (cast(GtkWidget*)OS.gtk_tree_view_get_selection (handle), this); | |
| 2205 if (checkRenderer !is null) display.addWidget (cast(GtkWidget*)checkRenderer, this); | |
| 2206 } | |
| 2207 | |
| 2208 void releaseItem (TreeItem item, bool release) { | |
| 2209 int index; | |
| 2210 OS.gtk_tree_model_get1 (modelHandle, item.handle, ID_COLUMN, cast(void**)&index); | |
| 2211 if (index is -1) return; | |
| 2212 if (release) item.release (false); | |
| 2213 items [index ] = null; | |
| 2214 } | |
| 2215 | |
| 2216 void releaseItems (GtkTreeIter* parentIter) { | |
| 2217 int index; | |
| 2218 GtkTreeIter iter; | |
| 2219 bool valid = cast(bool)OS.gtk_tree_model_iter_children (modelHandle, &iter, parentIter); | |
| 2220 while (valid) { | |
| 2221 releaseItems (&iter); | |
| 2222 if (!isDisposed ()) { | |
| 2223 OS.gtk_tree_model_get1 (modelHandle, &iter, ID_COLUMN, cast(void**)&index); | |
| 2224 if (index !is -1) { | |
| 2225 TreeItem item = items [index ]; | |
| 2226 if (item !is null) releaseItem (item, true); | |
| 2227 } | |
| 2228 } | |
| 2229 valid = cast(bool)OS.gtk_tree_model_iter_next (modelHandle, &iter); | |
| 2230 } | |
| 2231 } | |
| 2232 | |
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2233 override void releaseChildren (bool destroy) { |
| 90 | 2234 if (items !is null) { |
| 2235 for (int i=0; i<items.length; i++) { | |
| 2236 TreeItem item = items [i]; | |
| 2237 if (item !is null && !item.isDisposed ()) { | |
| 2238 item.release (false); | |
| 2239 } | |
| 2240 } | |
| 2241 items = null; | |
| 2242 } | |
| 2243 if (columns !is null) { | |
| 2244 for (int i=0; i<columnCount; i++) { | |
| 2245 TreeColumn column = columns [i]; | |
| 2246 if (column !is null && !column.isDisposed ()) { | |
| 2247 column.release (false); | |
| 2248 } | |
| 2249 } | |
| 2250 columns = null; | |
| 2251 } | |
| 2252 super.releaseChildren (destroy); | |
| 2253 } | |
| 2254 | |
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2255 override void releaseWidget () { |
| 90 | 2256 super.releaseWidget (); |
| 2257 if (modelHandle !is null) OS.g_object_unref (modelHandle); | |
| 2258 modelHandle = null; | |
| 2259 if (checkRenderer !is null) OS.g_object_unref (checkRenderer); | |
| 2260 checkRenderer = null; | |
| 2261 if (imageList !is null) imageList.dispose (); | |
| 2262 if (headerImageList !is null) headerImageList.dispose (); | |
| 2263 imageList = headerImageList = null; | |
| 2264 currentItem = null; | |
| 2265 } | |
| 2266 | |
| 2267 void remove (GtkTreeIter* parentIter, int start, int end) { | |
| 2268 if (start > end) return; | |
| 2269 int itemCount = OS.gtk_tree_model_iter_n_children (modelHandle, parentIter); | |
| 2270 if (!(0 <= start && start <= end && end < itemCount)) { | |
| 2271 error (DWT.ERROR_INVALID_RANGE); | |
| 2272 } | |
| 2273 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 2274 GtkTreeIter iter; | |
| 2275 int index = start; | |
| 2276 for (int i = start; i <= end; i++) { | |
| 2277 OS.gtk_tree_model_iter_nth_child (modelHandle, &iter, parentIter, index); | |
| 2278 int value; | |
| 2279 OS.gtk_tree_model_get1 (modelHandle, &iter, ID_COLUMN, cast(void**)&value); | |
| 2280 TreeItem item = value !is -1 ? items [value ] : null; | |
| 2281 if (item !is null && !item.isDisposed ()) { | |
| 2282 item.dispose (); | |
| 2283 } else { | |
| 2284 OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 2285 OS.gtk_tree_store_remove (modelHandle, &iter); | |
| 2286 OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 2287 } | |
| 2288 } | |
| 2289 } | |
| 2290 | |
| 2291 /** | |
| 2292 * Removes all of the items from the receiver. | |
| 2293 * | |
| 2294 * @exception DWTException <ul> | |
| 2295 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2296 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2297 * </ul> | |
| 2298 */ | |
| 2299 public void removeAll () { | |
| 2300 checkWidget (); | |
| 2301 for (int i=0; i<items.length; i++) { | |
| 2302 TreeItem item = items [i]; | |
| 2303 if (item !is null && !item.isDisposed ()) item.release (false); | |
| 2304 } | |
| 2305 items = new TreeItem[4]; | |
| 2306 /* | |
| 2307 * Bug in GTK. In version 2.3.2, when the property fixed-height-mode | |
| 2308 * is set and there are items in the list, OS.gtk_tree_store_clear() | |
| 2309 * segment faults. The fix is to create a new empty model instead. | |
| 2310 */ | |
| 2311 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 2312 OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 211 | 2313 /* |
| 2314 * Bug in GTK. In version 2.8, when gtk_tree_view_set_model() is called, GTK | |
| 2315 * does not remove the timer used to show animation when expanding a node. This | |
| 2316 * can cause two possible crashes. The first one happens when the timer expires and | |
| 2317 * it accesses the expanding node which has been already destroyed. The second one | |
| 2318 * happens if a new item is created and destroyed before the timer expires. The fix | |
| 2319 * is to remove the timer by disposing the first item in the tree. | |
| 2320 */ | |
| 2321 if (OS.GTK_VERSION < OS.buildVERSION(2, 10, 0)) { | |
| 2322 if (OS.gtk_tree_model_iter_n_children (modelHandle, null) !is 0) { | |
| 2323 GtkTreeIter iter; | |
| 2324 OS.gtk_tree_model_iter_nth_child (modelHandle, &iter, null, 0); | |
| 2325 OS.gtk_tree_store_remove (modelHandle, &iter); | |
| 2326 } | |
| 2327 } | |
| 90 | 2328 // TODO verify if true for tree store |
| 2329 //OS.gtk_tree_store_clear (modelHandle); | |
| 2330 auto oldModel = modelHandle; | |
| 2331 uint[] types = getColumnTypes (Math.max (1,columnCount)); | |
| 2332 auto newModel = OS.gtk_tree_store_newv (types.length, types.ptr); | |
| 2333 if (newModel is null) error (DWT.ERROR_NO_HANDLES); | |
| 2334 OS.gtk_tree_view_set_model (handle, newModel); | |
| 2335 OS.g_object_unref (oldModel); | |
| 2336 modelHandle = newModel; | |
| 2337 OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 2338 | |
| 2339 /* Disable searching when using VIRTUAL */ | |
| 2340 if ((style & DWT.VIRTUAL) !is 0) { | |
| 2341 /* | |
| 2342 * Bug in GTK. Until GTK 2.6.5, calling gtk_tree_view_set_enable_search(FALSE) | |
| 2343 * would prevent the user from being able to type in text to search the tree. | |
| 2344 * After 2.6.5, GTK introduced Ctrl+F as being the key binding for interactive | |
| 2345 * search. This meant that even if FALSE was passed to enable_search, the user | |
| 2346 * can still bring up the search pop up using the keybinding. GTK also introduced | |
| 2347 * the notion of passing a -1 to gtk_set_search_column to disable searching | |
| 2348 * (including the search key binding). The fix is to use the right calls | |
| 2349 * for the right version. | |
| 2350 */ | |
| 2351 if (OS.GTK_VERSION >= OS.buildVERSION (2, 6, 5)) { | |
| 2352 OS.gtk_tree_view_set_search_column (handle, -1); | |
| 2353 } else { | |
| 2354 OS.gtk_tree_view_set_enable_search (handle, false); | |
| 2355 } | |
| 2356 } else { | |
| 2357 /* Set the search column whenever the model changes */ | |
| 2358 int firstColumn = columnCount is 0 ? FIRST_COLUMN : columns [0].modelIndex; | |
| 2359 OS.gtk_tree_view_set_search_column (handle, firstColumn + CELL_TEXT); | |
| 2360 } | |
| 2361 } | |
| 2362 | |
| 2363 /** | |
| 2364 * Removes the listener from the collection of listeners who will | |
| 2365 * be notified when the user changes the receiver's selection. | |
| 2366 * | |
| 2367 * @param listener the listener which should no longer be notified | |
| 2368 * | |
| 2369 * @exception IllegalArgumentException <ul> | |
| 2370 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 2371 * </ul> | |
| 2372 * @exception DWTException <ul> | |
| 2373 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2374 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2375 * </ul> | |
| 2376 * | |
| 2377 * @see SelectionListener | |
| 2378 * @see #addSelectionListener | |
| 2379 */ | |
| 2380 public void removeSelectionListener (SelectionListener listener) { | |
| 2381 checkWidget (); | |
| 2382 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 2383 eventTable.unhook (DWT.Selection, listener); | |
| 2384 eventTable.unhook (DWT.DefaultSelection, listener); | |
| 2385 } | |
| 2386 | |
| 2387 /** | |
| 2388 * Removes the listener from the collection of listeners who will | |
| 2389 * be notified when items in the receiver are expanded or collapsed. | |
| 2390 * | |
| 2391 * @param listener the listener which should no longer be notified | |
| 2392 * | |
| 2393 * @exception IllegalArgumentException <ul> | |
| 2394 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 2395 * </ul> | |
| 2396 * @exception DWTException <ul> | |
| 2397 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2398 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2399 * </ul> | |
| 2400 * | |
| 2401 * @see TreeListener | |
| 2402 * @see #addTreeListener | |
| 2403 */ | |
| 2404 public void removeTreeListener(TreeListener listener) { | |
| 2405 checkWidget (); | |
| 2406 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 2407 if (eventTable is null) return; | |
| 2408 eventTable.unhook (DWT.Expand, listener); | |
| 2409 eventTable.unhook (DWT.Collapse, listener); | |
| 2410 } | |
| 2411 | |
| 2412 override void rendererGetSizeProc ( | |
| 2413 GtkCellRenderer *cell, | |
| 2414 GtkWidget *widget, | |
| 2415 GdkRectangle *cell_area, | |
| 2416 int *x_offset, | |
| 2417 int *y_offset, | |
| 2418 int *width, | |
| 2419 int *height) | |
| 2420 { | |
| 2421 auto g_class = OS.g_type_class_peek_parent (OS.G_OBJECT_GET_CLASS (cell)); | |
| 2422 GtkCellRendererClass* klass = cast(GtkCellRendererClass*)g_class; | |
| 2423 klass.get_size( cell, handle, cell_area, x_offset, y_offset, width, height); | |
| 2424 if (!ignoreSize && OS.GTK_IS_CELL_RENDERER_TEXT (cell)) { | |
| 2425 auto iter = cast(GtkTreeIter*)OS.g_object_get_qdata (cast(GObject*)cell, Display.SWT_OBJECT_INDEX2); | |
| 2426 TreeItem item = null; | |
| 2427 if (iter !is null) item = _getItem (iter); | |
| 2428 if (item !is null) { | |
| 2429 int columnIndex = 0; | |
| 2430 if (columnCount > 0) { | |
| 2431 auto columnHandle = cast(GtkTreeViewColumn*)OS.g_object_get_qdata (cast(GObject*)cell, Display.SWT_OBJECT_INDEX1); | |
| 2432 for (int i = 0; i < columnCount; i++) { | |
| 2433 if (columns [i].handle is cast(GtkWidget*)columnHandle) { | |
| 2434 columnIndex = i; | |
| 2435 break; | |
| 2436 } | |
| 2437 } | |
| 2438 } | |
| 2439 if (hooks (DWT.MeasureItem)) { | |
| 2440 int contentWidth, contentHeight; | |
| 2441 if (width !is null) contentWidth = *width; | |
| 2442 if (height !is null) contentHeight = *height; | |
| 2443 Image image = item.getImage (columnIndex); | |
| 2444 int imageWidth = 0; | |
| 2445 if (image !is null) { | |
| 2446 Rectangle bounds = image.getBounds (); | |
| 2447 imageWidth = bounds.width; | |
| 2448 } | |
| 2449 contentWidth += imageWidth; | |
| 2450 GC gc = new GC (this); | |
| 2451 gc.setFont (item.getFont (columnIndex)); | |
| 2452 Event event = new Event (); | |
| 2453 event.item = item; | |
| 2454 event.index = columnIndex; | |
| 2455 event.gc = gc; | |
| 2456 event.width = contentWidth ; | |
| 2457 event.height = contentHeight ; | |
| 2458 sendEvent (DWT.MeasureItem, event); | |
| 2459 gc.dispose (); | |
| 2460 contentWidth = event.width - imageWidth; | |
| 2461 contentHeight = event.height; | |
| 2462 if (width !is null) *width = contentWidth; | |
| 2463 if (height !is null) *height = contentHeight; | |
| 2464 } | |
| 2465 } | |
| 2466 } | |
| 2467 } | |
| 2468 | |
| 2469 override void rendererRenderProc ( | |
| 2470 GtkCellRenderer * cell, | |
| 2471 GdkDrawable * window, | |
| 2472 GtkWidget * widget, | |
| 2473 GdkRectangle *background_area, | |
| 2474 GdkRectangle *cell_area, | |
| 2475 GdkRectangle *expose_area, | |
| 2476 int flags) | |
| 2477 { | |
| 2478 TreeItem item = null; | |
| 2479 auto iter = cast(GtkTreeIter*)OS.g_object_get_qdata (cast(GObject*)cell, Display.SWT_OBJECT_INDEX2); | |
| 2480 if (iter !is null) item = _getItem (iter); | |
| 2481 auto columnHandle = cast(GtkTreeViewColumn*)OS.g_object_get_qdata (cast(GObject*)cell, Display.SWT_OBJECT_INDEX1); | |
| 2482 int columnIndex = 0; | |
| 2483 if (columnCount > 0) { | |
| 2484 for (int i = 0; i < columnCount; i++) { | |
| 2485 if (columns [i].handle is cast(GtkWidget*)columnHandle) { | |
| 2486 columnIndex = i; | |
| 2487 break; | |
| 2488 } | |
| 2489 } | |
| 2490 } | |
| 2491 if (item !is null) { | |
| 2492 if (OS.GTK_IS_CELL_RENDERER_TOGGLE (cell) || (OS.GTK_IS_CELL_RENDERER_PIXBUF (cell) && (columnIndex !is 0 || (style & DWT.CHECK) is 0))) { | |
| 2493 drawFlags = cast(int)/*64*/flags; | |
| 2494 drawState = DWT.FOREGROUND; | |
| 2495 void* ptr; | |
| 2496 OS.gtk_tree_model_get1 (modelHandle, item.handle, Tree.BACKGROUND_COLUMN, &ptr); | |
| 2497 if (ptr is null) { | |
| 2498 int modelIndex = columnCount is 0 ? Tree.FIRST_COLUMN : columns [columnIndex].modelIndex; | |
| 2499 OS.gtk_tree_model_get1 (modelHandle, item.handle, modelIndex + Tree.CELL_BACKGROUND, &ptr); | |
| 2500 } | |
| 2501 if (ptr !is null) drawState |= DWT.BACKGROUND; | |
| 2502 if ((flags & OS.GTK_CELL_RENDERER_SELECTED) !is 0) drawState |= DWT.SELECTED; | |
| 2503 if ((flags & OS.GTK_CELL_RENDERER_FOCUSED) !is 0) drawState |= DWT.FOCUSED; | |
| 2504 | |
| 2505 GdkRectangle rect; | |
| 2506 auto path = OS.gtk_tree_model_get_path (modelHandle, iter); | |
| 2507 OS.gtk_tree_view_get_background_area (handle, path, columnHandle, &rect); | |
| 2508 OS.gtk_tree_path_free (path); | |
| 2509 | |
| 2510 if ((drawState & DWT.SELECTED) is 0) { | |
| 2511 Control control = findBackgroundControl (); | |
| 2512 if (control !is null && control.backgroundImage !is null) { | |
| 2513 OS.gdk_window_clear_area (window, rect.x, rect.y, rect.width, rect.height); | |
| 2514 } | |
| 2515 } | |
| 2516 | |
| 2517 if (hooks (DWT.EraseItem)) { | |
| 2518 bool wasSelected = false; | |
| 2519 if ((drawState & DWT.SELECTED) !is 0) { | |
| 2520 wasSelected = true; | |
| 2521 OS.gdk_window_clear_area (window, rect.x, rect.y, rect.width, rect.height); | |
| 2522 } | |
| 2523 GC gc = new GC (this); | |
| 2524 if ((drawState & DWT.SELECTED) !is 0) { | |
| 2525 gc.setBackground (display.getSystemColor (DWT.COLOR_LIST_SELECTION)); | |
| 2526 gc.setForeground (display.getSystemColor (DWT.COLOR_LIST_SELECTION_TEXT)); | |
| 2527 } else { | |
| 2528 gc.setBackground (item.getBackground (columnIndex)); | |
| 2529 gc.setForeground (item.getForeground (columnIndex)); | |
| 2530 } | |
| 2531 gc.setFont (item.getFont (columnIndex)); | |
| 2532 gc.setClipping (rect.x, rect.y, rect.width, rect.height); | |
| 2533 Event event = new Event (); | |
| 2534 event.item = item; | |
| 2535 event.index = columnIndex; | |
| 2536 event.gc = gc; | |
| 2537 event.x = rect.x; | |
| 2538 event.y = rect.y; | |
| 2539 event.width = rect.width; | |
| 2540 event.height = rect.height; | |
| 2541 event.detail = drawState; | |
| 2542 sendEvent (DWT.EraseItem, event); | |
| 2543 drawForeground = null; | |
| 2544 drawState = event.doit ? event.detail : 0; | |
| 2545 drawFlags &= ~(OS.GTK_CELL_RENDERER_FOCUSED | OS.GTK_CELL_RENDERER_SELECTED); | |
| 2546 if ((drawState & DWT.SELECTED) !is 0) drawFlags |= OS.GTK_CELL_RENDERER_SELECTED; | |
| 2547 if ((drawState & DWT.FOCUSED) !is 0) drawFlags |= OS.GTK_CELL_RENDERER_FOCUSED; | |
| 2548 if ((drawState & DWT.SELECTED) !is 0) { | |
| 2549 auto style = OS.gtk_widget_get_style (widget); | |
| 2550 //TODO - parity and sorted | |
| 2551 OS.gtk_paint_flat_box (style, window, OS.GTK_STATE_SELECTED, OS.GTK_SHADOW_NONE, &rect, widget, "cell_odd".ptr, rect.x, rect.y, rect.width, rect.height); | |
| 2552 } else { | |
| 2553 if (wasSelected) drawForeground = gc.getForeground ().handle; | |
| 2554 } | |
| 2555 gc.dispose(); | |
| 2556 } | |
| 2557 } | |
| 2558 } | |
| 2559 int /*long*/ result = 0; | |
| 2560 if ((drawState & DWT.BACKGROUND) !is 0 && (drawState & DWT.SELECTED) is 0) { | |
| 2561 GC gc = new GC (this); | |
| 2562 gc.setBackground (item.getBackground (columnIndex)); | |
| 2563 gc.fillRectangle (background_area.x, background_area.y, background_area.width, background_area.height); | |
| 2564 gc.dispose (); | |
| 2565 } | |
| 2566 if ((drawState & DWT.FOREGROUND) !is 0 || OS.GTK_IS_CELL_RENDERER_TOGGLE (cell)) { | |
| 2567 auto g_class = OS.g_type_class_peek_parent (OS.G_OBJECT_GET_CLASS (cell)); | |
| 2568 GtkCellRendererClass* klass = cast(GtkCellRendererClass*)g_class; | |
| 2569 if (drawForeground !is null && OS.GTK_IS_CELL_RENDERER_TEXT (cell)) { | |
| 2570 OS.g_object_set1 (cell, OS.foreground_gdk.ptr, cast(int)drawForeground); | |
| 2571 } | |
| 2572 klass.render( cell, window, handle, background_area, cell_area, expose_area, drawFlags); | |
| 2573 } | |
| 2574 if (item !is null) { | |
| 2575 if (OS.GTK_IS_CELL_RENDERER_TEXT (cell)) { | |
| 2576 if (hooks (DWT.PaintItem)) { | |
| 2577 GdkRectangle rect; | |
| 2578 auto path = OS.gtk_tree_model_get_path (modelHandle, iter); | |
| 2579 OS.gtk_tree_view_get_cell_area (handle, path, columnHandle, &rect); | |
| 2580 OS.gtk_tree_path_free (path); | |
| 2581 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 18) && OS.gtk_tree_view_get_expander_column (handle) is columnHandle) { | |
| 2582 int buffer; | |
| 2583 OS.gtk_widget_style_get1 (handle, OS.expander_size.ptr, &buffer); | |
| 2584 rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 2585 rect.width -= buffer + TreeItem.EXPANDER_EXTRA_PADDING; | |
| 2586 //OS.gtk_widget_style_get (handle, OS.horizontal_separator, buffer, 0); | |
| 2587 //rect.x += buffer[0]; | |
| 2588 //rect.width -= buffer [0]; // TODO Is this required for some versions? | |
| 2589 } | |
| 2590 ignoreSize = true; | |
| 2591 int contentX, contentWidth; | |
| 2592 OS.gtk_cell_renderer_get_size (cell, handle, null, null, null, &contentWidth, null); | |
| 2593 OS.gtk_tree_view_column_cell_get_position (columnHandle, cell, &contentX, null); | |
| 2594 ignoreSize = false; | |
| 2595 Image image = item.getImage (columnIndex); | |
| 2596 int imageWidth = 0; | |
| 2597 if (image !is null) { | |
| 2598 Rectangle bounds = image.getBounds (); | |
| 2599 imageWidth = bounds.width; | |
| 2600 } | |
| 2601 contentX -= imageWidth; | |
| 2602 contentWidth += imageWidth; | |
| 2603 GC gc = new GC (this); | |
| 2604 if ((drawState & DWT.SELECTED) !is 0) { | |
| 2605 gc.setBackground (display.getSystemColor (DWT.COLOR_LIST_SELECTION)); | |
| 2606 gc.setForeground (display.getSystemColor (DWT.COLOR_LIST_SELECTION_TEXT)); | |
| 2607 } else { | |
| 2608 gc.setBackground (item.getBackground (columnIndex)); | |
| 2609 Color foreground = drawForeground !is null ? Color.gtk_new (display, drawForeground) : item.getForeground (columnIndex); | |
| 2610 gc.setForeground (foreground); | |
| 2611 } | |
| 2612 gc.setFont (item.getFont (columnIndex)); | |
| 2613 gc.setClipping (rect.x, rect.y, rect.width, rect.height); | |
| 2614 Event event = new Event (); | |
| 2615 event.item = item; | |
| 2616 event.index = columnIndex; | |
| 2617 event.gc = gc; | |
| 2618 event.x = rect.x + contentX; | |
| 2619 event.y = rect.y; | |
| 2620 event.width = contentWidth; | |
| 2621 event.height = rect.height; | |
| 2622 event.detail = drawState; | |
| 2623 sendEvent (DWT.PaintItem, event); | |
| 2624 gc.dispose(); | |
| 2625 } | |
| 2626 } | |
| 2627 } | |
| 2628 return result; | |
| 2629 } | |
| 2630 | |
| 2631 void resetCustomDraw () { | |
| 2632 if ((style & DWT.VIRTUAL) !is 0 || ownerDraw) return; | |
| 2633 int end = Math.max (1, columnCount); | |
| 2634 for (int i=0; i<end; i++) { | |
| 2635 bool customDraw = columnCount !is 0 ? columns [i].customDraw : firstCustomDraw; | |
| 2636 if (customDraw) { | |
| 2637 auto column = OS.gtk_tree_view_get_column (handle, i); | |
| 2638 auto textRenderer = getTextRenderer (column); | |
| 2639 OS.gtk_tree_view_column_set_cell_data_func (column, textRenderer, null, null, null); | |
| 2640 if (columnCount !is 0) columns [i].customDraw = false; | |
| 2641 } | |
| 2642 } | |
| 2643 firstCustomDraw = false; | |
| 2644 } | |
| 2645 | |
| 2646 /** | |
| 2647 * Display a mark indicating the point at which an item will be inserted. | |
| 2648 * The drop insert item has a visual hint to show where a dragged item | |
| 2649 * will be inserted when dropped on the tree. | |
| 2650 * | |
| 2651 * @param item the insert item. Null will clear the insertion mark. | |
| 2652 * @param before true places the insert mark above 'item'. false places | |
| 2653 * the insert mark below 'item'. | |
| 2654 * | |
| 2655 * @exception IllegalArgumentException <ul> | |
| 2656 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
| 2657 * </ul> | |
| 2658 * @exception DWTException <ul> | |
| 2659 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2660 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2661 * </ul> | |
| 2662 */ | |
| 2663 public void setInsertMark (TreeItem item, bool before) { | |
| 2664 checkWidget (); | |
| 2665 if (item is null) { | |
| 2666 OS.gtk_tree_view_unset_rows_drag_dest(handle); | |
| 2667 return; | |
| 2668 } | |
| 2669 if (item.isDisposed()) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 2670 if (item.parent !is this) return; | |
| 2671 Rectangle rect = item.getBounds(); | |
| 2672 void* path; | |
| 2673 OS.gtk_widget_realize (handle); | |
| 2674 if (!OS.gtk_tree_view_get_path_at_pos(handle, rect.x, rect.y, &path, null, null, null)) return; | |
| 2675 if (path is null) return; | |
| 2676 int position = before ? OS.GTK_TREE_VIEW_DROP_BEFORE : OS.GTK_TREE_VIEW_DROP_AFTER; | |
| 2677 OS.gtk_tree_view_set_drag_dest_row(handle, path, position); | |
| 2678 OS.gtk_tree_path_free (path ); | |
| 2679 } | |
| 2680 | |
| 2681 void setItemCount (GtkTreeIter* parentIter, int count) { | |
| 2682 int itemCount = OS.gtk_tree_model_iter_n_children (modelHandle, parentIter); | |
| 2683 if (count is itemCount) return; | |
| 2684 bool isVirtual = (style & DWT.VIRTUAL) !is 0; | |
| 2685 if (!isVirtual) setRedraw (false); | |
| 2686 remove (parentIter, count, itemCount - 1); | |
| 2687 if (isVirtual) { | |
| 2688 for (int i=itemCount; i<count; i++) { | |
| 2689 GtkTreeIter iter; | |
| 2690 OS.gtk_tree_store_append (modelHandle, &iter, parentIter); | |
| 2691 OS.gtk_tree_store_set1 (modelHandle, &iter, ID_COLUMN, cast(void*)-1); | |
| 2692 } | |
| 2693 } else { | |
| 2694 for (int i=itemCount; i<count; i++) { | |
| 2695 new TreeItem (this, parentIter, DWT.NONE, i, true); | |
| 2696 } | |
| 2697 } | |
| 2698 if (!isVirtual) setRedraw (true); | |
| 2699 modelChanged = true; | |
| 2700 } | |
| 2701 | |
| 2702 /** | |
| 2703 * Sets the number of root-level items contained in the receiver. | |
| 2704 * | |
| 2705 * @param count the number of items | |
| 2706 * | |
| 2707 * @exception DWTException <ul> | |
| 2708 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2709 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2710 * </ul> | |
| 2711 * | |
| 2712 * @since 3.2 | |
| 2713 */ | |
| 2714 public void setItemCount (int count) { | |
| 2715 checkWidget (); | |
| 2716 count = Math.max (0, count); | |
| 2717 setItemCount (null, count); | |
| 2718 } | |
| 2719 /** | |
| 2720 * Selects all of the items in the receiver. | |
| 2721 * <p> | |
| 2722 * If the receiver is single-select, do nothing. | |
| 2723 * </p> | |
| 2724 * | |
| 2725 * @exception DWTException <ul> | |
| 2726 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2727 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2728 * </ul> | |
| 2729 */ | |
| 2730 public void selectAll () { | |
| 2731 checkWidget(); | |
| 2732 if ((style & DWT.SINGLE) !is 0) return; | |
| 2733 bool fixColumn = showFirstColumn (); | |
| 2734 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 2735 OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 2736 OS.gtk_tree_selection_select_all (selection); | |
| 2737 OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 2738 if (fixColumn) hideFirstColumn (); | |
| 2739 } | |
| 2740 | |
| 2741 override void setBackgroundColor (GdkColor* color) { | |
| 2742 super.setBackgroundColor (color); | |
| 2743 OS.gtk_widget_modify_base (handle, 0, color); | |
| 2744 } | |
| 2745 | |
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2746 override void setBackgroundPixmap (GdkPixmap* pixmap) { |
| 90 | 2747 super.setBackgroundPixmap (pixmap); |
| 2748 auto window = paintWindow (); | |
| 2749 if (window !is null) OS.gdk_window_set_back_pixmap (window, null, true); | |
| 2750 } | |
| 2751 | |
| 2752 override int setBounds (int x, int y, int width, int height, bool move, bool resize) { | |
| 2753 int result = super.setBounds (x, y, width, height, move, resize); | |
| 2754 /* | |
| 2755 * Bug on GTK. The tree view sometimes does not get a paint | |
| 2756 * event or resizes to a one pixel square when resized in a new | |
| 2757 * shell that is not visible after any event loop has been run. The | |
| 2758 * problem is intermittent. It doesn't seem to happen the first time | |
| 2759 * a new shell is created. The fix is to ensure the tree view is realized | |
| 2760 * after it has been resized. | |
| 2761 */ | |
| 2762 OS.gtk_widget_realize (handle); | |
| 2763 /* | |
| 2764 * Bug in GTK. An empty GtkTreeView fails to repaint the focus rectangle | |
| 2765 * correctly when resized on versions before 2.6.0. The fix is to force | |
| 2766 * the widget to redraw. | |
| 2767 */ | |
| 2768 if (OS.GTK_VERSION < OS.buildVERSION (2, 6, 0) && OS.gtk_tree_model_iter_n_children (modelHandle, null) is 0) { | |
| 2769 redraw (false); | |
| 2770 } | |
| 2771 return result; | |
| 2772 } | |
| 2773 | |
| 2774 /** | |
| 2775 * Sets the order that the items in the receiver should | |
| 2776 * be displayed in to the given argument which is described | |
| 2777 * in terms of the zero-relative ordering of when the items | |
| 2778 * were added. | |
| 2779 * | |
| 2780 * @param order the new order to display the items | |
| 2781 * | |
| 2782 * @exception DWTException <ul> | |
| 2783 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2784 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2785 * </ul> | |
| 2786 * @exception IllegalArgumentException <ul> | |
| 2787 * <li>ERROR_NULL_ARGUMENT - if the item order is null</li> | |
| 2788 * <li>ERROR_INVALID_ARGUMENT - if the item order is not the same length as the number of items</li> | |
| 2789 * </ul> | |
| 2790 * | |
| 2791 * @see Tree#getColumnOrder() | |
| 2792 * @see TreeColumn#getMoveable() | |
| 2793 * @see TreeColumn#setMoveable(bool) | |
| 2794 * @see DWT#Move | |
| 2795 * | |
| 2796 * @since 3.2 | |
| 2797 */ | |
| 2798 public void setColumnOrder (int [] order) { | |
| 2799 checkWidget (); | |
| 2800 if (order is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 2801 if (columnCount is 0) { | |
| 2802 if (order.length > 0) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 2803 return; | |
| 2804 } | |
| 2805 if (order.length !is columnCount) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 2806 bool [] seen = new bool [columnCount]; | |
| 2807 for (int i = 0; i<order.length; i++) { | |
| 2808 int index = order [i]; | |
| 2809 if (index < 0 || index >= columnCount) error (DWT.ERROR_INVALID_RANGE); | |
| 2810 if (seen [index]) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 2811 seen [index] = true; | |
| 2812 } | |
| 2813 void* baseColumn; | |
| 2814 for (int i=0; i<order.length; i++) { | |
| 2815 auto column = columns [order [i]].handle; | |
| 2816 OS.gtk_tree_view_move_column_after (handle, column, baseColumn); | |
| 2817 baseColumn = column; | |
| 2818 } | |
| 2819 } | |
| 2820 | |
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2821 override void setFontDescription (PangoFontDescription* font) { |
| 90 | 2822 super.setFontDescription (font); |
| 2823 TreeColumn[] columns = getColumns (); | |
| 2824 for (int i = 0; i < columns.length; i++) { | |
| 2825 if (columns[i] !is null) { | |
| 2826 columns[i].setFontDescription (font); | |
| 2827 } | |
| 2828 } | |
| 2829 } | |
| 2830 | |
| 2831 /** | |
| 2832 * Marks the receiver's header as visible if the argument is <code>true</code>, | |
| 2833 * and marks it invisible otherwise. | |
| 2834 * <p> | |
| 2835 * If one of the receiver's ancestors is not visible or some | |
| 2836 * other condition makes the receiver not visible, marking | |
| 2837 * it visible may not actually cause it to be displayed. | |
| 2838 * </p> | |
| 2839 * | |
| 2840 * @param show the new visibility state | |
| 2841 * | |
| 2842 * @exception DWTException <ul> | |
| 2843 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2844 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2845 * </ul> | |
| 2846 * | |
| 2847 * @since 3.1 | |
| 2848 */ | |
| 2849 public void setHeaderVisible (bool show) { | |
| 2850 checkWidget (); | |
| 2851 OS.gtk_tree_view_set_headers_visible (handle, show); | |
| 2852 } | |
| 2853 | |
| 2854 /** | |
| 2855 * Marks the receiver's lines as visible if the argument is <code>true</code>, | |
| 2856 * and marks it invisible otherwise. | |
| 2857 * <p> | |
| 2858 * If one of the receiver's ancestors is not visible or some | |
| 2859 * other condition makes the receiver not visible, marking | |
| 2860 * it visible may not actually cause it to be displayed. | |
| 2861 * </p> | |
| 2862 * | |
| 2863 * @param show the new visibility state | |
| 2864 * | |
| 2865 * @exception DWTException <ul> | |
| 2866 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2867 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2868 * </ul> | |
| 2869 * | |
| 2870 * @since 3.1 | |
| 2871 */ | |
| 2872 public void setLinesVisible (bool show) { | |
| 2873 checkWidget(); | |
| 2874 OS.gtk_tree_view_set_rules_hint (handle, show); | |
| 2875 } | |
| 2876 | |
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2877 override void setParentBackground () { |
| 90 | 2878 super.setParentBackground (); |
| 2879 auto window = paintWindow (); | |
| 2880 if (window !is null) OS.gdk_window_set_back_pixmap (window, null, true); | |
| 2881 } | |
| 2882 | |
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2883 override void setParentWindow (GtkWidget* widget) { |
| 90 | 2884 auto window = eventWindow (); |
| 2885 OS.gtk_widget_set_parent_window (widget, window); | |
| 2886 } | |
| 2887 | |
| 2888 void setScrollWidth (GtkTreeViewColumn* column, TreeItem item) { | |
| 2889 if (columnCount !is 0 || currentItem is item) return; | |
| 2890 /* | |
| 2891 * Use GTK_TREE_VIEW_COLUMN_GROW_ONLY on GTK versions < 2.3.2 | |
| 2892 * because fixed_height_mode is not supported. | |
| 2893 */ | |
| 2894 if (((style & DWT.VIRTUAL) !is 0) && OS.GTK_VERSION < OS.buildVERSION (2, 3, 2)) return; | |
| 2895 int width = OS.gtk_tree_view_column_get_fixed_width (column); | |
| 2896 int itemWidth = calculateWidth (column, cast(GtkTreeIter*)item.handle); | |
| 2897 if (width < itemWidth) { | |
| 2898 OS.gtk_tree_view_column_set_fixed_width (column, itemWidth); | |
| 2899 } | |
| 2900 } | |
| 2901 | |
| 2902 /** | |
| 2903 * Sets the receiver's selection to the given item. | |
| 2904 * The current selection is cleared before the new item is selected. | |
| 2905 * <p> | |
| 2906 * If the item is not in the receiver, then it is ignored. | |
| 2907 * </p> | |
| 2908 * | |
| 2909 * @param item the item to select | |
| 2910 * | |
| 2911 * @exception IllegalArgumentException <ul> | |
| 2912 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
| 2913 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
| 2914 * </ul> | |
| 2915 * @exception DWTException <ul> | |
| 2916 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2917 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2918 * </ul> | |
| 2919 * | |
| 2920 * @since 3.2 | |
| 2921 */ | |
| 2922 public void setSelection (TreeItem item) { | |
| 2923 checkWidget (); | |
| 2924 if (item is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 2925 setSelection ([item]); | |
| 2926 } | |
| 2927 | |
| 2928 /** | |
| 2929 * Sets the receiver's selection to be the given array of items. | |
| 2930 * The current selection is cleared before the new items are selected. | |
| 2931 * <p> | |
| 2932 * Items that are not in the receiver are ignored. | |
| 2933 * If the receiver is single-select and multiple items are specified, | |
| 2934 * then all items are ignored. | |
| 2935 * </p> | |
| 2936 * | |
| 2937 * @param items the array of items | |
| 2938 * | |
| 2939 * @exception IllegalArgumentException <ul> | |
| 2940 * <li>ERROR_NULL_ARGUMENT - if the array of items is null</li> | |
| 2941 * <li>ERROR_INVALID_ARGUMENT - if one of the items has been disposed</li> | |
| 2942 * </ul> | |
| 2943 * @exception DWTException <ul> | |
| 2944 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2945 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2946 * </ul> | |
| 2947 * | |
| 2948 * @see Tree#deselectAll() | |
| 2949 */ | |
| 2950 public void setSelection (TreeItem [] items) { | |
| 2951 checkWidget (); | |
| 2952 if (items is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 2953 deselectAll (); | |
| 2954 int length = items.length; | |
| 2955 if (length is 0 || ((style & DWT.SINGLE) !is 0 && length > 1)) return; | |
| 2956 bool fixColumn = showFirstColumn (); | |
| 2957 auto selection = OS.gtk_tree_view_get_selection (handle); | |
| 2958 OS.g_signal_handlers_block_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 2959 bool first = true; | |
| 2960 for (int i = 0; i < length; i++) { | |
| 2961 TreeItem item = items [i]; | |
| 2962 if (item is null) continue; | |
| 2963 if (item.isDisposed ()) break; | |
| 2964 if (item.parent !is this) continue; | |
| 2965 auto path = OS.gtk_tree_model_get_path (modelHandle, item.handle); | |
| 2966 showItem (path, false); | |
| 2967 if (first) { | |
| 2968 OS.gtk_tree_view_set_cursor (handle, path, null, false); | |
| 2969 } | |
| 2970 OS.gtk_tree_selection_select_iter (selection, item.handle); | |
| 2971 OS.gtk_tree_path_free (path); | |
| 2972 first = false; | |
| 2973 } | |
| 2974 OS.g_signal_handlers_unblock_matched (selection, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); | |
| 2975 if (fixColumn) hideFirstColumn (); | |
| 2976 } | |
| 2977 | |
| 2978 /** | |
| 2979 * Sets the column used by the sort indicator for the receiver. A null | |
| 2980 * value will clear the sort indicator. The current sort column is cleared | |
| 2981 * before the new column is set. | |
| 2982 * | |
| 2983 * @param column the column used by the sort indicator or <code>null</code> | |
| 2984 * | |
| 2985 * @exception IllegalArgumentException <ul> | |
| 2986 * <li>ERROR_INVALID_ARGUMENT - if the column is disposed</li> | |
| 2987 * </ul> | |
| 2988 * @exception DWTException <ul> | |
| 2989 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2990 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2991 * </ul> | |
| 2992 * | |
| 2993 * @since 3.2 | |
| 2994 */ | |
| 2995 public void setSortColumn (TreeColumn column) { | |
| 2996 checkWidget (); | |
| 2997 if (column !is null && column.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 2998 if (sortColumn !is null && !sortColumn.isDisposed()) { | |
| 2999 OS.gtk_tree_view_column_set_sort_indicator (sortColumn.handle, false); | |
| 3000 } | |
| 3001 sortColumn = column; | |
| 3002 if (sortColumn !is null && sortDirection !is DWT.NONE) { | |
| 3003 OS.gtk_tree_view_column_set_sort_indicator (sortColumn.handle, true); | |
| 3004 OS.gtk_tree_view_column_set_sort_order (sortColumn.handle, sortDirection is DWT.DOWN ? 0 : 1); | |
| 3005 } | |
| 3006 } | |
| 3007 | |
| 3008 /** | |
| 3009 * Sets the direction of the sort indicator for the receiver. The value | |
| 3010 * can be one of <code>UP</code>, <code>DOWN</code> or <code>NONE</code>. | |
| 3011 * | |
| 3012 * @param direction the direction of the sort indicator | |
| 3013 * | |
| 3014 * @exception DWTException <ul> | |
| 3015 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3016 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3017 * </ul> | |
| 3018 * | |
| 3019 * @since 3.2 | |
| 3020 */ | |
| 3021 public void setSortDirection (int direction) { | |
| 3022 checkWidget (); | |
| 3023 if (direction !is DWT.UP && direction !is DWT.DOWN && direction !is DWT.NONE) return; | |
| 3024 sortDirection = direction; | |
| 3025 if (sortColumn is null || sortColumn.isDisposed ()) return; | |
| 3026 if (sortDirection is DWT.NONE) { | |
| 3027 OS.gtk_tree_view_column_set_sort_indicator (sortColumn.handle, false); | |
| 3028 } else { | |
| 3029 OS.gtk_tree_view_column_set_sort_indicator (sortColumn.handle, true); | |
| 3030 OS.gtk_tree_view_column_set_sort_order (sortColumn.handle, sortDirection is DWT.DOWN ? 0 : 1); | |
| 3031 } | |
| 3032 } | |
| 3033 | |
| 3034 /** | |
| 3035 * Sets the item which is currently at the top of the receiver. | |
| 3036 * This item can change when items are expanded, collapsed, scrolled | |
| 3037 * or new items are added or removed. | |
| 3038 * | |
| 3039 * @param item the item to be shown | |
| 3040 * | |
| 3041 * @exception IllegalArgumentException <ul> | |
| 3042 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
| 3043 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
| 3044 * </ul> | |
| 3045 * @exception DWTException <ul> | |
| 3046 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3047 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3048 * </ul> | |
| 3049 * | |
| 3050 * @see Tree#getTopItem() | |
| 3051 * | |
| 3052 * @since 2.1 | |
| 3053 */ | |
| 3054 public void setTopItem (TreeItem item) { | |
| 3055 if (item is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 3056 if (item.isDisposed ()) error(DWT.ERROR_INVALID_ARGUMENT); | |
| 3057 if (item.parent !is this) return; | |
| 3058 auto path = OS.gtk_tree_model_get_path (modelHandle, item.handle); | |
| 3059 showItem (path, false); | |
| 3060 OS.gtk_tree_view_scroll_to_cell (handle, path, null, true, 0f, 0f); | |
| 3061 if (OS.GTK_VERSION < OS.buildVERSION (2, 8, 0)) { | |
| 3062 /* | |
| 3063 * Bug in GTK. According to the documentation, gtk_tree_view_scroll_to_cell | |
| 3064 * should vertically scroll the cell to the top if use_align is true and row_align is 0. | |
| 3065 * However, prior to version 2.8 it does not scroll at all. The fix is to determine | |
| 3066 * the new location and use gtk_tree_view_scroll_to_point. | |
| 3067 * If the widget is a pinhead, calling gtk_tree_view_scroll_to_point | |
| 3068 * will have no effect. Therefore, it is still neccessary to call | |
| 3069 * gtk_tree_view_scroll_to_cell. | |
| 3070 */ | |
| 3071 OS.gtk_widget_realize (handle); | |
| 3072 GdkRectangle cellRect; | |
| 3073 OS.gtk_tree_view_get_cell_area (handle, path, null, &cellRect); | |
| 3074 int tx, ty; | |
| 3075 OS.gtk_tree_view_widget_to_tree_coords(handle, cellRect.x, cellRect.y, &tx, &ty); | |
| 3076 OS.gtk_tree_view_scroll_to_point (handle, -1, ty); | |
| 3077 } | |
| 3078 OS.gtk_tree_path_free (path); | |
| 3079 } | |
| 3080 | |
| 3081 /** | |
| 3082 * Shows the column. If the column is already showing in the receiver, | |
| 3083 * this method simply returns. Otherwise, the columns are scrolled until | |
| 3084 * the column is visible. | |
| 3085 * | |
| 3086 * @param column the column to be shown | |
| 3087 * | |
| 3088 * @exception IllegalArgumentException <ul> | |
| 3089 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
| 3090 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
| 3091 * </ul> | |
| 3092 * @exception DWTException <ul> | |
| 3093 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3094 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3095 * </ul> | |
| 3096 * | |
| 3097 * @since 3.1 | |
| 3098 */ | |
| 3099 public void showColumn (TreeColumn column) { | |
| 3100 checkWidget (); | |
| 3101 if (column is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 3102 if (column.isDisposed()) error(DWT.ERROR_INVALID_ARGUMENT); | |
| 3103 if (column.parent !is this) return; | |
| 3104 /* | |
| 3105 * This code is intentionally commented. According to the | |
| 3106 * documentation, gtk_tree_view_scroll_to_cell should scroll the | |
| 3107 * minimum amount to show the column but instead it scrolls strangely. | |
| 3108 */ | |
| 3109 //OS.gtk_tree_view_scroll_to_cell (handle, 0, column.handle, false, 0, 0); | |
| 3110 OS.gtk_widget_realize (handle); | |
| 3111 GdkRectangle cellRect; | |
| 3112 OS.gtk_tree_view_get_cell_area (handle, null, column.handle, &cellRect); | |
| 3113 GdkRectangle visibleRect; | |
| 3114 OS.gtk_tree_view_get_visible_rect (handle, &visibleRect); | |
| 3115 if (cellRect.x < visibleRect.x) { | |
| 3116 OS.gtk_tree_view_scroll_to_point (handle, cellRect.x, -1); | |
| 3117 } else { | |
| 3118 int width = Math.min (visibleRect.width, cellRect.width); | |
| 3119 if (cellRect.x + width > visibleRect.x + visibleRect.width) { | |
| 3120 int tree_x = cellRect.x + width - visibleRect.width; | |
| 3121 OS.gtk_tree_view_scroll_to_point (handle, tree_x, -1); | |
| 3122 } | |
| 3123 } | |
| 3124 } | |
| 3125 | |
| 3126 bool showFirstColumn () { | |
| 3127 /* | |
| 3128 * Bug in GTK. If no columns are visible, changing the selection | |
| 3129 * will fail. The fix is to temporarily make a column visible. | |
| 3130 */ | |
| 3131 int columnCount = Math.max (1, this.columnCount); | |
| 3132 for (int i=0; i<columnCount; i++) { | |
| 3133 auto column = OS.gtk_tree_view_get_column (handle, i); | |
| 3134 if (OS.gtk_tree_view_column_get_visible (column)) return false; | |
| 3135 } | |
| 3136 auto firstColumn = OS.gtk_tree_view_get_column (handle, 0); | |
| 3137 OS.gtk_tree_view_column_set_visible (firstColumn, true); | |
| 3138 return true; | |
| 3139 } | |
| 3140 | |
| 3141 /** | |
| 3142 * Shows the selection. If the selection is already showing in the receiver, | |
| 3143 * this method simply returns. Otherwise, the items are scrolled until | |
| 3144 * the selection is visible. | |
| 3145 * | |
| 3146 * @exception DWTException <ul> | |
| 3147 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3148 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3149 * </ul> | |
| 3150 * | |
| 3151 * @see Tree#showItem(TreeItem) | |
| 3152 */ | |
| 3153 public void showSelection () { | |
| 3154 checkWidget(); | |
| 3155 TreeItem [] items = getSelection (); | |
| 3156 if (items.length !is 0 && items [0] !is null) showItem (items [0]); | |
| 3157 } | |
| 3158 | |
| 3159 void showItem (GtkTreePath* path, bool scroll) { | |
| 3160 int depth = OS.gtk_tree_path_get_depth (path); | |
| 3161 if (depth > 1) { | |
| 3162 auto indicesPtr = OS.gtk_tree_path_get_indices (path); | |
| 3163 int [] indices = indicesPtr[ 0 .. depth - 1]; | |
| 3164 auto tempPath = OS.gtk_tree_path_new (); | |
| 3165 for (int i=0; i<indices.length; i++) { | |
| 3166 OS.gtk_tree_path_append_index (tempPath, indices [i]); | |
| 3167 OS.gtk_tree_view_expand_row (handle, tempPath, false); | |
| 3168 } | |
| 3169 OS.gtk_tree_path_free (tempPath); | |
| 3170 } | |
| 3171 if (scroll) { | |
| 3172 OS.gtk_widget_realize (handle); | |
| 3173 GdkRectangle cellRect; | |
| 3174 OS.gtk_tree_view_get_cell_area (handle, path, null, &cellRect); | |
| 3175 bool isHidden = cellRect.y is 0 && cellRect.height is 0; | |
| 3176 int tx, ty; | |
| 3177 OS.gtk_tree_view_widget_to_tree_coords (handle, cellRect.x, cellRect.y, &tx, &ty); | |
| 3178 GdkRectangle visibleRect; | |
| 3179 OS.gtk_tree_view_get_visible_rect (handle, &visibleRect); | |
| 3180 if (!isHidden) { | |
| 3181 if (ty < visibleRect.y || ty + cellRect.height > visibleRect.y + visibleRect.height) { | |
| 3182 isHidden = true; | |
| 3183 } | |
| 3184 } | |
| 3185 if (isHidden) { | |
| 3186 /* | |
| 3187 * This code intentionally commented. | |
| 3188 * Bug in GTK. According to the documentation, gtk_tree_view_scroll_to_cell | |
| 3189 * should scroll the minimum amount to show the cell if use_align is false. | |
| 3190 * However, what actually happens is the cell is scrolled to the top. | |
| 3191 * The fix is to determine the new location and use gtk_tree_view_scroll_to_point. | |
| 3192 * If the widget is a pinhead, calling gtk_tree_view_scroll_to_point | |
| 3193 * will have no effect. Therefore, it is still neccessary to | |
| 3194 * call gtk_tree_view_scroll_to_cell. | |
| 3195 */ | |
| 3196 // OS.gtk_tree_view_scroll_to_cell (handle, path, 0, depth !is 1, 0.5f, 0.0f); | |
| 3197 if (depth !is 1) { | |
| 3198 OS.gtk_tree_view_scroll_to_cell (handle, path, null, true, 0.5f, 0.0f); | |
| 3199 } else { | |
| 3200 if (ty < visibleRect.y ) { | |
| 3201 OS.gtk_tree_view_scroll_to_point (handle, -1, ty); | |
| 3202 } else { | |
| 3203 int height = Math.min (visibleRect.height, cellRect.height); | |
| 3204 if (ty + height > visibleRect.y + visibleRect.height) { | |
| 3205 OS.gtk_tree_view_scroll_to_point (handle, -1, ty + cellRect.height - visibleRect.height); | |
| 3206 } | |
| 3207 } | |
| 3208 } | |
| 3209 } | |
| 3210 } | |
| 3211 } | |
| 3212 | |
| 3213 /** | |
| 3214 * Shows the item. If the item is already showing in the receiver, | |
| 3215 * this method simply returns. Otherwise, the items are scrolled | |
| 3216 * and expanded until the item is visible. | |
| 3217 * | |
| 3218 * @param item the item to be shown | |
| 3219 * | |
| 3220 * @exception IllegalArgumentException <ul> | |
| 3221 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
| 3222 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
| 3223 * </ul> | |
| 3224 * @exception DWTException <ul> | |
| 3225 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3226 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3227 * </ul> | |
| 3228 * | |
| 3229 * @see Tree#showSelection() | |
| 3230 */ | |
| 3231 public void showItem (TreeItem item) { | |
| 3232 checkWidget (); | |
| 3233 if (item is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 3234 if (item.isDisposed ()) error(DWT.ERROR_INVALID_ARGUMENT); | |
| 3235 if (item.parent !is this) return; | |
| 3236 auto path = OS.gtk_tree_model_get_path (modelHandle, item.handle); | |
| 3237 showItem (path, true); | |
| 3238 OS.gtk_tree_path_free (path); | |
| 3239 } | |
| 3240 | |
| 3241 override void treeSelectionProc ( | |
| 3242 GtkTreeModel *model, | |
| 3243 GtkTreePath *path, | |
| 3244 GtkTreeIter *iter, | |
| 3245 int[] selection, | |
| 3246 int length_) | |
| 3247 { | |
| 3248 if (selection !is null) { | |
| 3249 int index; | |
| 3250 OS.gtk_tree_model_get1 (modelHandle, iter, ID_COLUMN, cast(void**)&index); | |
| 3251 selection [length_] = index; | |
| 3252 } | |
| 3253 return 0; | |
| 3254 } | |
| 3255 | |
|
152
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overloads second walkthrough
Frank Benoit <benoit@tionex.de>
parents:
150
diff
changeset
|
3256 override void updateScrollBarValue (ScrollBar bar) { |
| 90 | 3257 super.updateScrollBarValue (bar); |
| 3258 /* | |
| 3259 * Bug in GTK. Scrolling changes the XWindow position | |
| 3260 * and makes the child widgets appear to scroll even | |
| 3261 * though when queried their position is unchanged. | |
| 3262 * The fix is to queue a resize event for each child to | |
| 3263 * force the position to be corrected. | |
| 3264 */ | |
| 3265 auto parentHandle = parentingHandle (); | |
| 3266 auto list = OS.gtk_container_get_children (parentHandle); | |
| 3267 if (list is null) return; | |
| 3268 auto temp = list; | |
| 3269 while (temp !is null) { | |
| 3270 auto widget = OS.g_list_data (temp); | |
| 3271 if (widget !is null) OS.gtk_widget_queue_resize (widget); | |
| 3272 temp = OS.g_list_next (temp); | |
| 3273 } | |
| 3274 OS.g_list_free (list); | |
| 3275 } | |
| 3276 | |
| 3277 } |