Mercurial > projects > dwt2
annotate org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/ExpandItem.d @ 49:7a2dd761a8b2
more work until dmd 2.026 linux segfaults.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 27 Mar 2009 12:59:54 +0100 |
| parents | f713da8bc051 |
| children |
| rev | line source |
|---|---|
| 25 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module org.eclipse.swt.widgets.ExpandItem; | |
| 14 | |
| 15 import java.lang.all; | |
| 16 | |
| 17 | |
| 18 import org.eclipse.swt.SWT; | |
| 19 import org.eclipse.swt.SWTException; | |
| 20 import org.eclipse.swt.graphics.GC; | |
| 21 import org.eclipse.swt.graphics.Image; | |
| 22 import org.eclipse.swt.graphics.Point; | |
| 23 import org.eclipse.swt.graphics.Rectangle; | |
| 24 import org.eclipse.swt.internal.Converter; | |
| 25 import org.eclipse.swt.internal.gtk.OS; | |
| 26 import org.eclipse.swt.widgets.Item; | |
| 27 import org.eclipse.swt.widgets.Control; | |
| 28 import org.eclipse.swt.widgets.Display; | |
| 29 import org.eclipse.swt.widgets.ExpandBar; | |
| 30 import org.eclipse.swt.widgets.ImageList; | |
| 31 import org.eclipse.swt.widgets.Event; | |
| 32 | |
| 33 | |
| 34 /** | |
| 35 * Instances of this class represent a selectable user interface object | |
| 36 * that represents a expandable item in a expand bar. | |
| 37 * <p> | |
| 38 * <dl> | |
| 39 * <dt><b>Styles:</b></dt> | |
| 40 * <dd>(none)</dd> | |
| 41 * <dt><b>Events:</b></dt> | |
| 42 * <dd>(none)</dd> | |
| 43 * </dl> | |
| 44 * </p><p> | |
| 45 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
| 46 * </p> | |
| 47 * | |
| 48 * @see ExpandBar | |
| 49 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 50 * | |
| 51 * @since 3.2 | |
| 52 */ | |
| 53 public class ExpandItem : Item { | |
| 54 | |
| 55 alias Item.setForegroundColor setForegroundColor; | |
| 56 alias Item.windowProc windowProc; | |
| 57 | |
| 58 ExpandBar parent; | |
| 59 Control control; | |
| 60 ImageList imageList; | |
| 61 GtkWidget* clientHandle, boxHandle, labelHandle, imageHandle; | |
| 62 bool expanded; | |
| 63 int x, y, width, height; | |
| 64 int imageHeight, imageWidth; | |
|
49
7a2dd761a8b2
more work until dmd 2.026 linux segfaults.
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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65 static const int TEXT_INSET = 6; |
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more work until dmd 2.026 linux segfaults.
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changeset
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66 static const int BORDER = 1; |
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more work until dmd 2.026 linux segfaults.
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changeset
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67 static const int CHEVRON_SIZE = 24; |
| 25 | 68 |
| 69 /** | |
| 70 * Constructs a new instance of this class given its parent | |
| 71 * and a style value describing its behavior and appearance. | |
| 72 * <p> | |
| 73 * The style value is either one of the style constants defined in | |
| 74 * class <code>SWT</code> which is applicable to instances of this | |
| 75 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 76 * (that is, using the <code>int</code> "|" operator) two or more | |
| 77 * of those <code>SWT</code> style constants. The class description | |
| 78 * lists the style constants that are applicable to the class. | |
| 79 * Style bits are also inherited from superclasses. | |
| 80 * </p> | |
| 81 * | |
| 82 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 83 * @param style the style of control to construct | |
| 84 * | |
| 85 * @exception IllegalArgumentException <ul> | |
| 86 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 87 * </ul> | |
| 88 * @exception SWTException <ul> | |
| 89 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 90 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 91 * </ul> | |
| 92 * | |
| 93 * @see Widget#checkSubclass | |
| 94 * @see Widget#getStyle | |
| 95 */ | |
| 96 public this (ExpandBar parent, int style) { | |
| 97 super (parent, style); | |
| 98 this.parent = parent; | |
| 99 createWidget (parent.getItemCount ()); | |
| 100 } | |
| 101 | |
| 102 /** | |
| 103 * Constructs a new instance of this class given its parent, a | |
| 104 * style value describing its behavior and appearance, and the index | |
| 105 * at which to place it in the items maintained by its parent. | |
| 106 * <p> | |
| 107 * The style value is either one of the style constants defined in | |
| 108 * class <code>SWT</code> which is applicable to instances of this | |
| 109 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 110 * (that is, using the <code>int</code> "|" operator) two or more | |
| 111 * of those <code>SWT</code> style constants. The class description | |
| 112 * lists the style constants that are applicable to the class. | |
| 113 * Style bits are also inherited from superclasses. | |
| 114 * </p> | |
| 115 * | |
| 116 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 117 * @param style the style of control to construct | |
| 118 * @param index the zero-relative index to store the receiver in its parent | |
| 119 * | |
| 120 * @exception IllegalArgumentException <ul> | |
| 121 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 122 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> | |
| 123 * </ul> | |
| 124 * @exception SWTException <ul> | |
| 125 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 126 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 127 * </ul> | |
| 128 * | |
| 129 * @see Widget#checkSubclass | |
| 130 * @see Widget#getStyle | |
| 131 */ | |
| 132 public this (ExpandBar parent, int style, int index) { | |
| 133 super (parent, style); | |
| 134 this.parent = parent; | |
| 135 createWidget (index); | |
| 136 } | |
| 137 | |
| 138 protected override void checkSubclass () { | |
| 139 if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); | |
| 140 } | |
| 141 | |
| 142 override void createHandle (int index) { | |
| 143 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 144 state |= HANDLE; | |
| 145 handle = OS.gtk_expander_new (null); | |
| 146 if (handle is null) error (SWT.ERROR_NO_HANDLES); | |
| 147 clientHandle = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null); | |
| 148 if (clientHandle is null) error (SWT.ERROR_NO_HANDLES); | |
| 149 OS.gtk_container_add (handle, clientHandle); | |
| 150 boxHandle = cast(GtkWidget*)OS.gtk_hbox_new (false, 4); | |
| 151 if (boxHandle is null) error (SWT.ERROR_NO_HANDLES); | |
| 152 labelHandle = cast(GtkWidget*)OS.gtk_label_new (null); | |
| 153 if (labelHandle is null) error (SWT.ERROR_NO_HANDLES); | |
| 154 imageHandle = cast(GtkWidget*)OS.gtk_image_new (); | |
| 155 if (imageHandle is null) error (SWT.ERROR_NO_HANDLES); | |
| 156 OS.gtk_container_add (boxHandle, imageHandle); | |
| 157 OS.gtk_container_add (boxHandle, labelHandle); | |
| 158 OS.gtk_expander_set_label_widget (handle, boxHandle); | |
| 159 OS.GTK_WIDGET_SET_FLAGS (handle, OS.GTK_CAN_FOCUS); | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 override void createWidget (int index) { | |
| 164 super.createWidget (index); | |
| 165 showWidget (index); | |
| 166 parent.createItem (this, style, index); | |
| 167 } | |
| 168 | |
| 169 override void deregister() { | |
| 170 super.deregister(); | |
| 171 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 172 display.removeWidget (clientHandle); | |
| 173 display.removeWidget (boxHandle); | |
| 174 display.removeWidget (labelHandle); | |
| 175 display.removeWidget (imageHandle); | |
| 176 } | |
| 177 } | |
| 178 | |
| 179 override void destroyWidget () { | |
| 180 parent.destroyItem (this); | |
| 181 super.destroyWidget (); | |
| 182 } | |
| 183 | |
| 184 void drawChevron (GC gc, int x, int y) { | |
| 185 int [] polyline1, polyline2; | |
| 186 if (expanded) { | |
| 187 int px = x + 4 + 5; | |
| 188 int py = y + 4 + 7; | |
| 189 polyline1 = [ | |
| 190 px,py, px+1,py, px+1,py-1, px+2,py-1, px+2,py-2, px+3,py-2, px+3,py-3, | |
| 191 px+3,py-2, px+4,py-2, px+4,py-1, px+5,py-1, px+5,py, px+6,py]; | |
| 192 py += 4; | |
| 193 polyline2 = [ | |
| 194 px,py, px+1,py, px+1,py-1, px+2,py-1, px+2,py-2, px+3,py-2, px+3,py-3, | |
| 195 px+3,py-2, px+4,py-2, px+4,py-1, px+5,py-1, px+5,py, px+6,py]; | |
| 196 } else { | |
| 197 int px = x + 4 + 5; | |
| 198 int py = y + 4 + 4; | |
| 199 polyline1 = [ | |
| 200 px,py, px+1,py, px+1,py+1, px+2,py+1, px+2,py+2, px+3,py+2, px+3,py+3, | |
| 201 px+3,py+2, px+4,py+2, px+4,py+1, px+5,py+1, px+5,py, px+6,py]; | |
| 202 py += 4; | |
| 203 polyline2 = [ | |
| 204 px,py, px+1,py, px+1,py+1, px+2,py+1, px+2,py+2, px+3,py+2, px+3,py+3, | |
| 205 px+3,py+2, px+4,py+2, px+4,py+1, px+5,py+1, px+5,py, px+6,py]; | |
| 206 } | |
| 207 gc.setForeground (display.getSystemColor (SWT.COLOR_TITLE_FOREGROUND)); | |
| 208 gc.drawPolyline (polyline1); | |
| 209 gc.drawPolyline (polyline2); | |
| 210 } | |
| 211 | |
| 212 void drawItem (GC gc, bool drawFocus) { | |
| 213 int headerHeight = parent.getBandHeight (); | |
| 214 Display display = getDisplay (); | |
| 215 gc.setForeground (display.getSystemColor (SWT.COLOR_TITLE_BACKGROUND)); | |
| 216 gc.setBackground (display.getSystemColor (SWT.COLOR_TITLE_BACKGROUND_GRADIENT)); | |
| 217 gc.fillGradientRectangle (x, y, width, headerHeight, true); | |
| 218 if (expanded) { | |
| 219 gc.setForeground (display.getSystemColor (SWT.COLOR_TITLE_BACKGROUND_GRADIENT)); | |
| 220 gc.drawLine (x, y + headerHeight, x, y + headerHeight + height - 1); | |
| 221 gc.drawLine (x, y + headerHeight + height - 1, x + width - 1, y + headerHeight + height - 1); | |
| 222 gc.drawLine (x + width - 1, y + headerHeight + height - 1, x + width - 1, y + headerHeight); | |
| 223 } | |
| 224 int drawX = x; | |
| 225 if (image !is null) { | |
| 226 drawX += ExpandItem.TEXT_INSET; | |
| 227 if (imageHeight > headerHeight) { | |
| 228 gc.drawImage (image, drawX, y + headerHeight - imageHeight); | |
| 229 } else { | |
| 230 gc.drawImage (image, drawX, y + (headerHeight - imageHeight) / 2); | |
| 231 } | |
| 232 drawX += imageWidth; | |
| 233 } | |
| 234 if (text.length > 0) { | |
| 235 drawX += ExpandItem.TEXT_INSET; | |
| 236 Point size = gc.stringExtent (text); | |
| 237 gc.setForeground (parent.getForeground ()); | |
| 238 gc.drawString (text, drawX, y + (headerHeight - size.y) / 2, true); | |
| 239 } | |
| 240 int chevronSize = ExpandItem.CHEVRON_SIZE; | |
| 241 drawChevron (gc, x + width - chevronSize, y + (headerHeight - chevronSize) / 2); | |
| 242 if (drawFocus) { | |
| 243 gc.drawFocus (x + 1, y + 1, width - 2, headerHeight - 2); | |
| 244 } | |
| 245 } | |
| 246 | |
| 247 /** | |
| 248 * Returns the control that is shown when the item is expanded. | |
| 249 * If no control has been set, return <code>null</code>. | |
| 250 * | |
| 251 * @return the control | |
| 252 * | |
| 253 * @exception SWTException <ul> | |
| 254 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 255 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 256 * </ul> | |
| 257 */ | |
| 258 public Control getControl () { | |
| 259 checkWidget (); | |
| 260 return control; | |
| 261 } | |
| 262 | |
| 263 /** | |
| 264 * Returns <code>true</code> if the receiver is expanded, | |
| 265 * and false otherwise. | |
| 266 * | |
| 267 * @return the expanded state | |
| 268 * | |
| 269 * @exception SWTException <ul> | |
| 270 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 271 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 272 * </ul> | |
| 273 */ | |
| 274 public bool getExpanded () { | |
| 275 checkWidget (); | |
| 276 return expanded; | |
| 277 } | |
| 278 | |
| 279 /** | |
| 280 * Returns the height of the receiver's header | |
| 281 * | |
| 282 * @return the height of the header | |
| 283 * | |
| 284 * @exception SWTException <ul> | |
| 285 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 286 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 287 * </ul> | |
| 288 */ | |
| 289 public int getHeaderHeight () { | |
| 290 checkWidget (); | |
| 291 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 292 return OS.GTK_WIDGET_HEIGHT (handle) - (expanded ? height : 0); | |
| 293 } | |
| 294 return Math.max (parent.getBandHeight (), imageHeight); | |
| 295 } | |
| 296 | |
| 297 /** | |
| 298 * Gets the height of the receiver. | |
| 299 * | |
| 300 * @return the height | |
| 301 * | |
| 302 * @exception SWTException <ul> | |
| 303 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 304 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 305 * </ul> | |
| 306 */ | |
| 307 public int getHeight () { | |
| 308 checkWidget (); | |
| 309 return height; | |
| 310 } | |
| 311 | |
| 312 /** | |
| 313 * Returns the receiver's parent, which must be a <code>ExpandBar</code>. | |
| 314 * | |
| 315 * @return the receiver's parent | |
| 316 * | |
| 317 * @exception SWTException <ul> | |
| 318 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 319 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 320 * </ul> | |
| 321 */ | |
| 322 public ExpandBar getParent () { | |
| 323 checkWidget(); | |
| 324 return parent; | |
| 325 } | |
| 326 | |
| 327 int getPreferredWidth (GC gc) { | |
| 328 int width = ExpandItem.TEXT_INSET * 2 + ExpandItem.CHEVRON_SIZE; | |
| 329 if (image !is null) { | |
| 330 width += ExpandItem.TEXT_INSET + imageWidth; | |
| 331 } | |
| 332 if (text.length > 0) { | |
| 333 width += gc.stringExtent (text).x; | |
| 334 } | |
| 335 return width; | |
| 336 } | |
| 337 | |
| 338 override int /*long*/ gtk_activate (GtkWidget* widget) { | |
| 339 Event event = new Event (); | |
| 340 event.item = this; | |
| 341 int type = OS.gtk_expander_get_expanded (handle) ? SWT.Collapse : SWT.Expand; | |
| 342 parent.sendEvent (type, event); | |
| 343 return 0; | |
| 344 } | |
| 345 | |
| 346 override int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* event) { | |
| 347 setFocus (); | |
| 348 return 0; | |
| 349 } | |
| 350 | |
| 351 override int /*long*/ gtk_focus_out_event (GtkWidget* widget, GdkEventFocus* event) { | |
| 352 OS.GTK_WIDGET_UNSET_FLAGS (handle, OS.GTK_CAN_FOCUS); | |
| 353 parent.lastFocus = this; | |
| 354 return 0; | |
| 355 } | |
| 356 | |
| 357 override int /*long*/ gtk_size_allocate (GtkWidget* widget, int /*long*/ allocation) { | |
| 358 parent.layoutItems (0, false); | |
| 359 return 0; | |
| 360 } | |
| 361 | |
| 362 override int /*long*/ gtk_enter_notify_event (GtkWidget* widget, GdkEventCrossing* event) { | |
| 363 parent.gtk_enter_notify_event(widget, event); | |
| 364 return 0; | |
| 365 } | |
| 366 | |
| 367 bool hasFocus () { | |
| 368 return OS.GTK_WIDGET_HAS_FOCUS (handle); | |
| 369 } | |
| 370 | |
| 371 override void hookEvents () { | |
| 372 super.hookEvents (); | |
| 373 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 374 OS.g_signal_connect_closure (handle, OS.activate.ptr, display.closures [ACTIVATE], false); | |
| 375 OS.g_signal_connect_closure (handle, OS.activate.ptr, display.closures [ACTIVATE_INVERSE], true); | |
| 376 OS.g_signal_connect_closure_by_id (handle, display.signalIds [BUTTON_PRESS_EVENT], 0, display.closures [BUTTON_PRESS_EVENT], false); | |
| 377 OS.g_signal_connect_closure_by_id (handle, display.signalIds [FOCUS_OUT_EVENT], 0, display.closures [FOCUS_OUT_EVENT], false); | |
| 378 OS.g_signal_connect_closure (clientHandle, OS.size_allocate.ptr, display.closures [SIZE_ALLOCATE], true); | |
| 379 OS.g_signal_connect_closure_by_id (handle, display.signalIds [ENTER_NOTIFY_EVENT], 0, display.closures [ENTER_NOTIFY_EVENT], false); | |
| 380 } | |
| 381 } | |
| 382 | |
| 383 void redraw () { | |
| 384 if (OS.GTK_VERSION < OS.buildVERSION (2, 4, 0)) { | |
| 385 int headerHeight = parent.getBandHeight (); | |
| 386 if (imageHeight > headerHeight) { | |
| 387 parent.redraw (x + ExpandItem.TEXT_INSET, y + headerHeight - imageHeight, imageWidth, imageHeight, false); | |
| 388 } | |
| 389 parent.redraw (x, y, width, headerHeight + height, false); | |
| 390 } | |
| 391 } | |
| 392 | |
| 393 override void register () { | |
| 394 super.register (); | |
| 395 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 396 display.addWidget (clientHandle, this); | |
| 397 display.addWidget (boxHandle, this); | |
| 398 display.addWidget (labelHandle, this); | |
| 399 display.addWidget (imageHandle, this); | |
| 400 } | |
| 401 } | |
| 402 | |
| 403 override void releaseHandle () { | |
| 404 super.releaseHandle (); | |
| 405 clientHandle = boxHandle = labelHandle = imageHandle = null; | |
| 406 parent = null; | |
| 407 } | |
| 408 | |
| 409 override void releaseWidget () { | |
| 410 super.releaseWidget (); | |
| 411 if (imageList !is null) imageList.dispose (); | |
| 412 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 413 if (parent.lastFocus is this) parent.lastFocus = null; | |
| 414 } | |
| 415 imageList = null; | |
| 416 control = null; | |
| 417 } | |
| 418 | |
| 419 void resizeControl (int yScroll) { | |
| 420 if (control !is null && !control.isDisposed ()) { | |
| 421 bool visible =cast(bool) OS.gtk_expander_get_expanded (handle); | |
| 422 if (visible) { | |
| 423 int x = OS.GTK_WIDGET_X (clientHandle); | |
| 424 int y = OS.GTK_WIDGET_Y (clientHandle); | |
| 425 if (x !is -1 && y !is -1) { | |
| 426 int width = OS.GTK_WIDGET_WIDTH (clientHandle); | |
| 427 int height = OS.GTK_WIDGET_HEIGHT (clientHandle); | |
| 428 int property; | |
| 429 OS.gtk_widget_style_get1 (handle, OS.focus_line_width.ptr, &property); | |
| 430 y += property * 2; | |
| 431 height -= property * 2; | |
| 432 control.setBounds (x, y - yScroll, width, Math.max (0, height), true, true); | |
| 433 } | |
| 434 } | |
| 435 control.setVisible (visible); | |
| 436 } | |
| 437 } | |
| 438 | |
| 439 void setBounds (int x, int y, int width, int height, bool move, bool size) { | |
| 440 redraw (); | |
| 441 int headerHeight = parent.getBandHeight (); | |
| 442 if (move) { | |
| 443 if (imageHeight > headerHeight) { | |
| 444 y += (imageHeight - headerHeight); | |
| 445 } | |
| 446 this.x = x; | |
| 447 this.y = y; | |
| 448 redraw (); | |
| 449 } | |
| 450 if (size) { | |
| 451 this.width = width; | |
| 452 this.height = height; | |
| 453 redraw (); | |
| 454 } | |
| 455 if (control !is null && !control.isDisposed ()) { | |
| 456 if (move) control.setLocation (x + BORDER, y + headerHeight); | |
| 457 if (size) control.setSize (Math.max (0, width - 2 * BORDER), Math.max (0, height - BORDER)); | |
| 458 } | |
| 459 } | |
| 460 | |
| 461 /** | |
| 462 * Sets the control that is shown when the item is expanded. | |
| 463 * | |
| 464 * @param control the new control (or null) | |
| 465 * | |
| 466 * @exception IllegalArgumentException <ul> | |
| 467 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> | |
| 468 * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> | |
| 469 * </ul> | |
| 470 * @exception SWTException <ul> | |
| 471 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 472 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 473 * </ul> | |
| 474 */ | |
| 475 public void setControl (Control control) { | |
| 476 checkWidget (); | |
| 477 if (control !is null) { | |
| 478 if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); | |
| 479 if (control.parent !is parent) error (SWT.ERROR_INVALID_PARENT); | |
| 480 } | |
| 481 if (this.control is control) return; | |
| 482 this.control = control; | |
| 483 if (control !is null) { | |
| 484 control.setVisible (expanded); | |
| 485 if (OS.GTK_VERSION < OS.buildVERSION (2, 4, 0)) { | |
| 486 int headerHeight = parent.getBandHeight (); | |
| 487 control.setBounds (x + BORDER, y + headerHeight, Math.max (0, width - 2 * BORDER), Math.max (0, height - BORDER)); | |
| 488 } | |
| 489 } | |
| 490 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 491 parent.layoutItems (0, true); | |
| 492 } | |
| 493 } | |
| 494 | |
| 495 /** | |
| 496 * Sets the expanded state of the receiver. | |
| 497 * | |
| 498 * @param expanded the new expanded state | |
| 499 * | |
| 500 * @exception SWTException <ul> | |
| 501 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 502 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 503 * </ul> | |
| 504 */ | |
| 505 public void setExpanded (bool expanded) { | |
| 506 checkWidget (); | |
| 507 this.expanded = expanded; | |
| 508 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 509 OS.gtk_expander_set_expanded (handle, expanded); | |
| 510 parent.layoutItems (0, true); | |
| 511 } else { | |
| 512 parent.showItem (this); | |
| 513 } | |
| 514 } | |
| 515 | |
| 516 bool setFocus () { | |
| 517 if (!OS.gtk_widget_get_child_visible (handle)) return false; | |
| 518 OS.GTK_WIDGET_SET_FLAGS (handle, OS.GTK_CAN_FOCUS); | |
| 519 OS.gtk_widget_grab_focus (handle); | |
| 520 bool result = cast(bool)OS.gtk_widget_is_focus (handle); | |
| 521 if (!result) OS.GTK_WIDGET_UNSET_FLAGS (handle, OS.GTK_CAN_FOCUS); | |
| 522 return result; | |
| 523 } | |
| 524 | |
| 525 void setFontDescription (PangoFontDescription* font) { | |
| 526 OS.gtk_widget_modify_font (handle, font); | |
| 527 if (labelHandle !is null) OS.gtk_widget_modify_font (labelHandle, font); | |
| 528 if (imageHandle !is null) OS.gtk_widget_modify_font (imageHandle, font); | |
| 529 } | |
| 530 | |
| 531 alias Item.setForegroundColor setForegroundColor; | |
| 532 void setForegroundColor (GdkColor* color) { | |
| 533 setForegroundColor (handle, color); | |
| 534 if (labelHandle !is null) setForegroundColor (labelHandle, color); | |
| 535 if (imageHandle !is null) setForegroundColor (imageHandle, color); | |
| 536 } | |
| 537 | |
| 538 /** | |
| 539 * Sets the height of the receiver. This is height of the item when it is expanded, | |
| 540 * excluding the height of the header. | |
| 541 * | |
| 542 * @param height the new height | |
| 543 * | |
| 544 * @exception SWTException <ul> | |
| 545 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 546 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 547 * </ul> | |
| 548 */ | |
| 549 public void setHeight (int height) { | |
| 550 checkWidget (); | |
| 551 if (height < 0) return; | |
| 552 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 553 this.height = height; | |
| 554 OS.gtk_widget_set_size_request (clientHandle, -1, height); | |
| 555 parent.layoutItems (0, false); | |
| 556 } else { | |
| 557 setBounds (0, 0, width, height, false, true); | |
| 558 if (expanded) parent.layoutItems (parent.indexOf (this) + 1, true); | |
| 559 } | |
| 560 } | |
| 561 | |
| 562 public override void setImage (Image image) { | |
| 563 super.setImage (image); | |
| 564 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 565 if (imageList !is null) imageList.dispose (); | |
| 566 imageList = null; | |
| 567 if (image !is null) { | |
| 568 if (image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); | |
| 569 imageList = new ImageList (); | |
| 570 int imageIndex = imageList.add (image); | |
| 571 auto pixbuf = imageList.getPixbuf (imageIndex); | |
| 572 OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); | |
| 573 if (text.length is 0) OS.gtk_widget_hide (labelHandle); | |
| 574 OS.gtk_widget_show (imageHandle); | |
| 575 } else { | |
| 576 OS.gtk_image_set_from_pixbuf (imageHandle, null); | |
| 577 OS.gtk_widget_show (labelHandle); | |
| 578 OS.gtk_widget_hide (imageHandle); | |
| 579 } | |
| 580 } else { | |
| 581 int oldImageHeight = imageHeight; | |
| 582 if (image !is null) { | |
| 583 Rectangle bounds = image.getBounds (); | |
| 584 imageHeight = bounds.height; | |
| 585 imageWidth = bounds.width; | |
| 586 } else { | |
| 587 imageHeight = imageWidth = 0; | |
| 588 } | |
| 589 if (oldImageHeight !is imageHeight) { | |
| 590 parent.layoutItems (parent.indexOf (this), true); | |
| 591 } else { | |
| 592 redraw (); | |
| 593 } | |
| 594 } | |
| 595 } | |
| 596 | |
| 597 void setOrientation() { | |
| 598 super.setOrientation (); | |
| 599 if ((parent.style & SWT.RIGHT_TO_LEFT) !is 0) { | |
| 600 OS.gtk_widget_set_direction (handle, OS.GTK_TEXT_DIR_RTL); | |
| 601 display.doSetDirectionProc(handle, OS.GTK_TEXT_DIR_RTL); | |
| 602 } | |
| 603 } | |
| 604 | |
| 605 public override void setText (String string) { | |
| 606 super.setText (string); | |
| 607 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 608 OS.gtk_label_set_text (labelHandle, toStringz(string)); | |
| 609 } else { | |
| 610 redraw (); | |
| 611 } | |
| 612 } | |
| 613 | |
| 614 void showWidget (int index) { | |
| 615 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 616 OS.gtk_widget_show (handle); | |
| 617 OS.gtk_widget_show (clientHandle); | |
| 618 OS.gtk_container_add (parent.handle, handle); | |
| 619 OS.gtk_box_set_child_packing (parent.handle, handle, false, false, 0, OS.GTK_PACK_START); | |
| 620 if (boxHandle !is null) OS.gtk_widget_show (boxHandle); | |
| 621 if (labelHandle !is null) OS.gtk_widget_show (labelHandle); | |
| 622 } | |
| 623 } | |
| 624 | |
| 625 override int /*long*/ windowProc (GtkWidget* handle, int /*long*/ user_data) { | |
| 626 switch (cast(int)/*64*/user_data) { | |
| 627 case ACTIVATE_INVERSE: { | |
| 628 expanded = cast(bool)OS.gtk_expander_get_expanded (handle); | |
| 629 parent.layoutItems (0, false); | |
| 630 return 0; | |
| 631 } | |
| 632 default: | |
| 633 } | |
| 634 return super.windowProc (handle, user_data); | |
| 635 } | |
| 636 } |