Mercurial > projects > dwt-linux
annotate dwt/widgets/ExpandItem.d @ 259:c0d810de7093
Update SWT 3.4M7 to 3.4
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 29 Jun 2008 14:33:38 +0200 |
| parents | 5a30aa9820f3 |
| children |
| rev | line source |
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1 /******************************************************************************* |
| 259 | 2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 79 | 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> | |
| 79 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.ExpandItem; | |
| 14 | |
| 238 | 15 import dwt.dwthelper.utils; |
| 16 | |
| 79 | 17 |
| 18 import dwt.DWT; | |
| 19 import dwt.DWTException; | |
| 20 import dwt.graphics.GC; | |
| 21 import dwt.graphics.Image; | |
| 22 import dwt.graphics.Point; | |
| 23 import dwt.graphics.Rectangle; | |
| 24 import dwt.internal.Converter; | |
| 25 import dwt.internal.gtk.OS; | |
| 26 import dwt.widgets.Item; | |
| 27 import dwt.widgets.Control; | |
| 28 import dwt.widgets.Display; | |
| 29 import dwt.widgets.ExpandBar; | |
| 30 import dwt.widgets.ImageList; | |
| 31 import dwt.widgets.Event; | |
| 32 | |
| 33 import Math = tango.math.Math; | |
| 34 | |
| 35 /** | |
| 36 * Instances of this class represent a selectable user interface object | |
| 37 * that represents a expandable item in a expand bar. | |
| 38 * <p> | |
| 39 * <dl> | |
| 40 * <dt><b>Styles:</b></dt> | |
| 41 * <dd>(none)</dd> | |
| 42 * <dt><b>Events:</b></dt> | |
| 43 * <dd>(none)</dd> | |
| 44 * </dl> | |
| 45 * </p><p> | |
| 46 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
| 47 * </p> | |
| 48 * | |
| 49 * @see ExpandBar | |
| 259 | 50 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| 79 | 51 * |
| 52 * @since 3.2 | |
| 53 */ | |
| 54 public class ExpandItem : Item { | |
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55 |
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56 alias Item.setForegroundColor setForegroundColor; |
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57 alias Item.windowProc windowProc; |
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58 |
| 79 | 59 ExpandBar parent; |
| 60 Control control; | |
| 61 ImageList imageList; | |
| 62 GtkWidget* clientHandle, boxHandle, labelHandle, imageHandle; | |
| 63 bool expanded; | |
| 64 int x, y, width, height; | |
| 65 int imageHeight, imageWidth; | |
| 66 static final int TEXT_INSET = 6; | |
| 67 static final int BORDER = 1; | |
| 68 static final int CHEVRON_SIZE = 24; | |
| 69 | |
| 70 /** | |
| 71 * Constructs a new instance of this class given its parent | |
| 72 * and a style value describing its behavior and appearance. | |
| 73 * <p> | |
| 74 * The style value is either one of the style constants defined in | |
| 75 * class <code>DWT</code> which is applicable to instances of this | |
| 76 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 77 * (that is, using the <code>int</code> "|" operator) two or more | |
| 78 * of those <code>DWT</code> style constants. The class description | |
| 79 * lists the style constants that are applicable to the class. | |
| 80 * Style bits are also inherited from superclasses. | |
| 81 * </p> | |
| 82 * | |
| 83 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 84 * @param style the style of control to construct | |
| 85 * | |
| 86 * @exception IllegalArgumentException <ul> | |
| 87 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 88 * </ul> | |
| 89 * @exception DWTException <ul> | |
| 90 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 91 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 92 * </ul> | |
| 93 * | |
| 94 * @see Widget#checkSubclass | |
| 95 * @see Widget#getStyle | |
| 96 */ | |
| 97 public this (ExpandBar parent, int style) { | |
| 98 super (parent, style); | |
| 99 this.parent = parent; | |
| 100 createWidget (parent.getItemCount ()); | |
| 101 } | |
| 102 | |
| 103 /** | |
| 104 * Constructs a new instance of this class given its parent, a | |
| 105 * style value describing its behavior and appearance, and the index | |
| 106 * at which to place it in the items maintained by its parent. | |
| 107 * <p> | |
| 108 * The style value is either one of the style constants defined in | |
| 109 * class <code>DWT</code> which is applicable to instances of this | |
| 110 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 111 * (that is, using the <code>int</code> "|" operator) two or more | |
| 112 * of those <code>DWT</code> style constants. The class description | |
| 113 * lists the style constants that are applicable to the class. | |
| 114 * Style bits are also inherited from superclasses. | |
| 115 * </p> | |
| 116 * | |
| 117 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 118 * @param style the style of control to construct | |
| 119 * @param index the zero-relative index to store the receiver in its parent | |
| 120 * | |
| 121 * @exception IllegalArgumentException <ul> | |
| 122 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 123 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> | |
| 124 * </ul> | |
| 125 * @exception DWTException <ul> | |
| 126 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 127 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 128 * </ul> | |
| 129 * | |
| 130 * @see Widget#checkSubclass | |
| 131 * @see Widget#getStyle | |
| 132 */ | |
| 133 public this (ExpandBar parent, int style, int index) { | |
| 134 super (parent, style); | |
| 135 this.parent = parent; | |
| 136 createWidget (index); | |
| 137 } | |
| 138 | |
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139 protected override void checkSubclass () { |
| 79 | 140 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
| 141 } | |
| 142 | |
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143 override void createHandle (int index) { |
| 79 | 144 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { |
| 145 state |= HANDLE; | |
| 146 handle = OS.gtk_expander_new (null); | |
| 147 if (handle is null) error (DWT.ERROR_NO_HANDLES); | |
| 148 clientHandle = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null); | |
| 149 if (clientHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 150 OS.gtk_container_add (handle, clientHandle); | |
| 151 boxHandle = cast(GtkWidget*)OS.gtk_hbox_new (false, 4); | |
| 152 if (boxHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 153 labelHandle = cast(GtkWidget*)OS.gtk_label_new (null); | |
| 154 if (labelHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 155 imageHandle = cast(GtkWidget*)OS.gtk_image_new (); | |
| 156 if (imageHandle is null) error (DWT.ERROR_NO_HANDLES); | |
| 157 OS.gtk_container_add (boxHandle, imageHandle); | |
| 158 OS.gtk_container_add (boxHandle, labelHandle); | |
| 159 OS.gtk_expander_set_label_widget (handle, boxHandle); | |
| 160 OS.GTK_WIDGET_SET_FLAGS (handle, OS.GTK_CAN_FOCUS); | |
| 161 } | |
| 162 } | |
| 163 | |
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164 override void createWidget (int index) { |
| 79 | 165 super.createWidget (index); |
| 166 showWidget (index); | |
| 167 parent.createItem (this, style, index); | |
| 168 } | |
| 169 | |
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170 override void deregister() { |
| 79 | 171 super.deregister(); |
| 172 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 173 display.removeWidget (clientHandle); | |
| 174 display.removeWidget (boxHandle); | |
| 175 display.removeWidget (labelHandle); | |
| 176 display.removeWidget (imageHandle); | |
| 177 } | |
| 178 } | |
| 179 | |
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180 override void destroyWidget () { |
| 79 | 181 parent.destroyItem (this); |
| 182 super.destroyWidget (); | |
| 183 } | |
| 184 | |
| 185 void drawChevron (GC gc, int x, int y) { | |
| 186 int [] polyline1, polyline2; | |
| 187 if (expanded) { | |
| 188 int px = x + 4 + 5; | |
| 189 int py = y + 4 + 7; | |
| 190 polyline1 = [ | |
| 191 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, | |
| 192 px+3,py-2, px+4,py-2, px+4,py-1, px+5,py-1, px+5,py, px+6,py]; | |
| 193 py += 4; | |
| 194 polyline2 = [ | |
| 195 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, | |
| 196 px+3,py-2, px+4,py-2, px+4,py-1, px+5,py-1, px+5,py, px+6,py]; | |
| 197 } else { | |
| 198 int px = x + 4 + 5; | |
| 199 int py = y + 4 + 4; | |
| 200 polyline1 = [ | |
| 201 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, | |
| 202 px+3,py+2, px+4,py+2, px+4,py+1, px+5,py+1, px+5,py, px+6,py]; | |
| 203 py += 4; | |
| 204 polyline2 = [ | |
| 205 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, | |
| 206 px+3,py+2, px+4,py+2, px+4,py+1, px+5,py+1, px+5,py, px+6,py]; | |
| 207 } | |
| 208 gc.setForeground (display.getSystemColor (DWT.COLOR_TITLE_FOREGROUND)); | |
| 209 gc.drawPolyline (polyline1); | |
| 210 gc.drawPolyline (polyline2); | |
| 211 } | |
| 212 | |
| 213 void drawItem (GC gc, bool drawFocus) { | |
| 214 int headerHeight = parent.getBandHeight (); | |
| 215 Display display = getDisplay (); | |
| 216 gc.setForeground (display.getSystemColor (DWT.COLOR_TITLE_BACKGROUND)); | |
| 217 gc.setBackground (display.getSystemColor (DWT.COLOR_TITLE_BACKGROUND_GRADIENT)); | |
| 218 gc.fillGradientRectangle (x, y, width, headerHeight, true); | |
| 219 if (expanded) { | |
| 220 gc.setForeground (display.getSystemColor (DWT.COLOR_TITLE_BACKGROUND_GRADIENT)); | |
| 221 gc.drawLine (x, y + headerHeight, x, y + headerHeight + height - 1); | |
| 222 gc.drawLine (x, y + headerHeight + height - 1, x + width - 1, y + headerHeight + height - 1); | |
| 223 gc.drawLine (x + width - 1, y + headerHeight + height - 1, x + width - 1, y + headerHeight); | |
| 224 } | |
| 225 int drawX = x; | |
| 226 if (image !is null) { | |
| 227 drawX += ExpandItem.TEXT_INSET; | |
| 228 if (imageHeight > headerHeight) { | |
| 229 gc.drawImage (image, drawX, y + headerHeight - imageHeight); | |
| 230 } else { | |
| 231 gc.drawImage (image, drawX, y + (headerHeight - imageHeight) / 2); | |
| 232 } | |
| 233 drawX += imageWidth; | |
| 234 } | |
| 235 if (text.length > 0) { | |
| 236 drawX += ExpandItem.TEXT_INSET; | |
| 237 Point size = gc.stringExtent (text); | |
| 238 gc.setForeground (parent.getForeground ()); | |
| 239 gc.drawString (text, drawX, y + (headerHeight - size.y) / 2, true); | |
| 240 } | |
| 241 int chevronSize = ExpandItem.CHEVRON_SIZE; | |
| 242 drawChevron (gc, x + width - chevronSize, y + (headerHeight - chevronSize) / 2); | |
| 243 if (drawFocus) { | |
| 244 gc.drawFocus (x + 1, y + 1, width - 2, headerHeight - 2); | |
| 245 } | |
| 246 } | |
| 247 | |
| 248 /** | |
| 249 * Returns the control that is shown when the item is expanded. | |
| 250 * If no control has been set, return <code>null</code>. | |
| 251 * | |
| 252 * @return the control | |
| 253 * | |
| 254 * @exception DWTException <ul> | |
| 255 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 256 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 257 * </ul> | |
| 258 */ | |
| 259 public Control getControl () { | |
| 260 checkWidget (); | |
| 261 return control; | |
| 262 } | |
| 263 | |
| 264 /** | |
| 265 * Returns <code>true</code> if the receiver is expanded, | |
| 266 * and false otherwise. | |
| 267 * | |
| 268 * @return the expanded state | |
| 269 * | |
| 270 * @exception DWTException <ul> | |
| 271 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 272 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 273 * </ul> | |
| 274 */ | |
| 275 public bool getExpanded () { | |
| 276 checkWidget (); | |
| 277 return expanded; | |
| 278 } | |
| 279 | |
| 280 /** | |
| 281 * Returns the height of the receiver's header | |
| 282 * | |
| 283 * @return the height of the header | |
| 284 * | |
| 285 * @exception DWTException <ul> | |
| 286 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 287 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 288 * </ul> | |
| 289 */ | |
| 290 public int getHeaderHeight () { | |
| 291 checkWidget (); | |
| 292 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 240 | 293 return OS.GTK_WIDGET_HEIGHT (handle) - (expanded ? height : 0); |
| 79 | 294 } |
| 295 return Math.max (parent.getBandHeight (), imageHeight); | |
| 296 } | |
| 297 | |
| 298 /** | |
| 299 * Gets the height of the receiver. | |
| 300 * | |
| 301 * @return the height | |
| 302 * | |
| 303 * @exception DWTException <ul> | |
| 304 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 305 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 306 * </ul> | |
| 307 */ | |
| 308 public int getHeight () { | |
| 309 checkWidget (); | |
| 310 return height; | |
| 311 } | |
| 312 | |
| 313 /** | |
| 314 * Returns the receiver's parent, which must be a <code>ExpandBar</code>. | |
| 315 * | |
| 316 * @return the receiver's parent | |
| 317 * | |
| 318 * @exception DWTException <ul> | |
| 319 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 320 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 321 * </ul> | |
| 322 */ | |
| 323 public ExpandBar getParent () { | |
| 324 checkWidget(); | |
| 325 return parent; | |
| 326 } | |
| 327 | |
| 328 int getPreferredWidth (GC gc) { | |
| 329 int width = ExpandItem.TEXT_INSET * 2 + ExpandItem.CHEVRON_SIZE; | |
| 330 if (image !is null) { | |
| 331 width += ExpandItem.TEXT_INSET + imageWidth; | |
| 332 } | |
| 333 if (text.length > 0) { | |
| 334 width += gc.stringExtent (text).x; | |
| 335 } | |
| 336 return width; | |
| 337 } | |
| 338 | |
| 339 override int /*long*/ gtk_activate (GtkWidget* widget) { | |
| 340 Event event = new Event (); | |
| 341 event.item = this; | |
| 342 int type = OS.gtk_expander_get_expanded (handle) ? DWT.Collapse : DWT.Expand; | |
| 343 parent.sendEvent (type, event); | |
| 344 return 0; | |
| 345 } | |
| 346 | |
| 347 override int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* event) { | |
| 348 setFocus (); | |
| 349 return 0; | |
| 350 } | |
| 351 | |
| 352 override int /*long*/ gtk_focus_out_event (GtkWidget* widget, GdkEventFocus* event) { | |
| 353 OS.GTK_WIDGET_UNSET_FLAGS (handle, OS.GTK_CAN_FOCUS); | |
| 354 parent.lastFocus = this; | |
| 355 return 0; | |
| 356 } | |
| 357 | |
| 358 override int /*long*/ gtk_size_allocate (GtkWidget* widget, int /*long*/ allocation) { | |
| 359 parent.layoutItems (0, false); | |
| 360 return 0; | |
| 361 } | |
| 362 | |
| 363 override int /*long*/ gtk_enter_notify_event (GtkWidget* widget, GdkEventCrossing* event) { | |
| 364 parent.gtk_enter_notify_event(widget, event); | |
| 365 return 0; | |
| 366 } | |
| 367 | |
| 368 bool hasFocus () { | |
| 369 return OS.GTK_WIDGET_HAS_FOCUS (handle); | |
| 370 } | |
| 371 | |
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372 override void hookEvents () { |
| 79 | 373 super.hookEvents (); |
| 374 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 375 OS.g_signal_connect_closure (handle, OS.activate.ptr, display.closures [ACTIVATE], false); | |
| 376 OS.g_signal_connect_closure (handle, OS.activate.ptr, display.closures [ACTIVATE_INVERSE], true); | |
| 377 OS.g_signal_connect_closure_by_id (handle, display.signalIds [BUTTON_PRESS_EVENT], 0, display.closures [BUTTON_PRESS_EVENT], false); | |
| 378 OS.g_signal_connect_closure_by_id (handle, display.signalIds [FOCUS_OUT_EVENT], 0, display.closures [FOCUS_OUT_EVENT], false); | |
| 379 OS.g_signal_connect_closure (clientHandle, OS.size_allocate.ptr, display.closures [SIZE_ALLOCATE], true); | |
| 380 OS.g_signal_connect_closure_by_id (handle, display.signalIds [ENTER_NOTIFY_EVENT], 0, display.closures [ENTER_NOTIFY_EVENT], false); | |
| 381 } | |
| 382 } | |
| 383 | |
| 384 void redraw () { | |
| 385 if (OS.GTK_VERSION < OS.buildVERSION (2, 4, 0)) { | |
| 386 int headerHeight = parent.getBandHeight (); | |
| 387 if (imageHeight > headerHeight) { | |
| 388 parent.redraw (x + ExpandItem.TEXT_INSET, y + headerHeight - imageHeight, imageWidth, imageHeight, false); | |
| 389 } | |
| 390 parent.redraw (x, y, width, headerHeight + height, false); | |
| 391 } | |
| 392 } | |
| 393 | |
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394 override void register () { |
| 79 | 395 super.register (); |
| 396 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 397 display.addWidget (clientHandle, this); | |
| 398 display.addWidget (boxHandle, this); | |
| 399 display.addWidget (labelHandle, this); | |
| 400 display.addWidget (imageHandle, this); | |
| 401 } | |
| 402 } | |
| 403 | |
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404 override void releaseHandle () { |
| 79 | 405 super.releaseHandle (); |
| 406 clientHandle = boxHandle = labelHandle = imageHandle = null; | |
| 407 parent = null; | |
| 408 } | |
| 409 | |
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410 override void releaseWidget () { |
| 79 | 411 super.releaseWidget (); |
| 412 if (imageList !is null) imageList.dispose (); | |
| 413 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 414 if (parent.lastFocus is this) parent.lastFocus = null; | |
| 415 } | |
| 416 imageList = null; | |
| 417 control = null; | |
| 418 } | |
| 419 | |
| 420 void resizeControl (int yScroll) { | |
| 421 if (control !is null && !control.isDisposed ()) { | |
| 422 bool visible =cast(bool) OS.gtk_expander_get_expanded (handle); | |
| 423 if (visible) { | |
| 424 int x = OS.GTK_WIDGET_X (clientHandle); | |
| 425 int y = OS.GTK_WIDGET_Y (clientHandle); | |
| 426 if (x !is -1 && y !is -1) { | |
| 427 int width = OS.GTK_WIDGET_WIDTH (clientHandle); | |
| 428 int height = OS.GTK_WIDGET_HEIGHT (clientHandle); | |
| 429 int property; | |
| 430 OS.gtk_widget_style_get1 (handle, OS.focus_line_width.ptr, &property); | |
| 431 y += property * 2; | |
| 432 height -= property * 2; | |
| 433 control.setBounds (x, y - yScroll, width, Math.max (0, height), true, true); | |
| 434 } | |
| 435 } | |
| 436 control.setVisible (visible); | |
| 437 } | |
| 438 } | |
| 439 | |
| 440 void setBounds (int x, int y, int width, int height, bool move, bool size) { | |
| 441 redraw (); | |
| 442 int headerHeight = parent.getBandHeight (); | |
| 443 if (move) { | |
| 444 if (imageHeight > headerHeight) { | |
| 445 y += (imageHeight - headerHeight); | |
| 446 } | |
| 447 this.x = x; | |
| 448 this.y = y; | |
| 449 redraw (); | |
| 450 } | |
| 451 if (size) { | |
| 452 this.width = width; | |
| 453 this.height = height; | |
| 454 redraw (); | |
| 455 } | |
| 456 if (control !is null && !control.isDisposed ()) { | |
| 457 if (move) control.setLocation (x + BORDER, y + headerHeight); | |
| 458 if (size) control.setSize (Math.max (0, width - 2 * BORDER), Math.max (0, height - BORDER)); | |
| 459 } | |
| 460 } | |
| 461 | |
| 462 /** | |
| 463 * Sets the control that is shown when the item is expanded. | |
| 464 * | |
| 465 * @param control the new control (or null) | |
| 466 * | |
| 467 * @exception IllegalArgumentException <ul> | |
| 468 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> | |
| 469 * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> | |
| 470 * </ul> | |
| 471 * @exception DWTException <ul> | |
| 472 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 473 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 474 * </ul> | |
| 475 */ | |
| 476 public void setControl (Control control) { | |
| 477 checkWidget (); | |
| 478 if (control !is null) { | |
| 479 if (control.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 480 if (control.parent !is parent) error (DWT.ERROR_INVALID_PARENT); | |
| 481 } | |
| 482 if (this.control is control) return; | |
| 483 this.control = control; | |
| 484 if (control !is null) { | |
| 485 control.setVisible (expanded); | |
| 486 if (OS.GTK_VERSION < OS.buildVERSION (2, 4, 0)) { | |
| 487 int headerHeight = parent.getBandHeight (); | |
| 488 control.setBounds (x + BORDER, y + headerHeight, Math.max (0, width - 2 * BORDER), Math.max (0, height - BORDER)); | |
| 489 } | |
| 490 } | |
| 491 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 492 parent.layoutItems (0, true); | |
| 493 } | |
| 494 } | |
| 495 | |
| 496 /** | |
| 497 * Sets the expanded state of the receiver. | |
| 498 * | |
| 499 * @param expanded the new expanded state | |
| 500 * | |
| 501 * @exception DWTException <ul> | |
| 502 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 503 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 504 * </ul> | |
| 505 */ | |
| 506 public void setExpanded (bool expanded) { | |
| 507 checkWidget (); | |
| 508 this.expanded = expanded; | |
| 509 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 510 OS.gtk_expander_set_expanded (handle, expanded); | |
| 511 parent.layoutItems (0, true); | |
| 512 } else { | |
| 513 parent.showItem (this); | |
| 514 } | |
| 515 } | |
| 516 | |
| 517 bool setFocus () { | |
| 518 if (!OS.gtk_widget_get_child_visible (handle)) return false; | |
| 519 OS.GTK_WIDGET_SET_FLAGS (handle, OS.GTK_CAN_FOCUS); | |
| 520 OS.gtk_widget_grab_focus (handle); | |
| 521 bool result = cast(bool)OS.gtk_widget_is_focus (handle); | |
| 522 if (!result) OS.GTK_WIDGET_UNSET_FLAGS (handle, OS.GTK_CAN_FOCUS); | |
| 523 return result; | |
| 524 } | |
| 525 | |
| 526 void setFontDescription (PangoFontDescription* font) { | |
| 527 OS.gtk_widget_modify_font (handle, font); | |
| 528 if (labelHandle !is null) OS.gtk_widget_modify_font (labelHandle, font); | |
| 529 if (imageHandle !is null) OS.gtk_widget_modify_font (imageHandle, font); | |
| 530 } | |
| 531 | |
| 532 alias Item.setForegroundColor setForegroundColor; | |
| 533 void setForegroundColor (GdkColor* color) { | |
| 534 setForegroundColor (handle, color); | |
| 535 if (labelHandle !is null) setForegroundColor (labelHandle, color); | |
| 536 if (imageHandle !is null) setForegroundColor (imageHandle, color); | |
| 537 } | |
| 538 | |
| 539 /** | |
| 540 * Sets the height of the receiver. This is height of the item when it is expanded, | |
| 541 * excluding the height of the header. | |
| 542 * | |
| 543 * @param height the new height | |
| 544 * | |
| 545 * @exception DWTException <ul> | |
| 546 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 547 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 548 * </ul> | |
| 549 */ | |
| 550 public void setHeight (int height) { | |
| 551 checkWidget (); | |
| 552 if (height < 0) return; | |
| 553 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 554 this.height = height; | |
| 555 OS.gtk_widget_set_size_request (clientHandle, -1, height); | |
| 556 parent.layoutItems (0, false); | |
| 557 } else { | |
| 558 setBounds (0, 0, width, height, false, true); | |
| 559 if (expanded) parent.layoutItems (parent.indexOf (this) + 1, true); | |
| 560 } | |
| 561 } | |
| 562 | |
|
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parents:
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changeset
|
563 public override void setImage (Image image) { |
| 79 | 564 super.setImage (image); |
| 565 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 566 if (imageList !is null) imageList.dispose (); | |
| 567 imageList = null; | |
| 568 if (image !is null) { | |
| 569 if (image.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 570 imageList = new ImageList (); | |
| 571 int imageIndex = imageList.add (image); | |
| 572 auto pixbuf = imageList.getPixbuf (imageIndex); | |
| 573 OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); | |
| 574 if (text.length is 0) OS.gtk_widget_hide (labelHandle); | |
| 575 OS.gtk_widget_show (imageHandle); | |
| 576 } else { | |
| 577 OS.gtk_image_set_from_pixbuf (imageHandle, null); | |
| 578 OS.gtk_widget_show (labelHandle); | |
| 579 OS.gtk_widget_hide (imageHandle); | |
| 580 } | |
| 581 } else { | |
| 582 int oldImageHeight = imageHeight; | |
| 583 if (image !is null) { | |
| 584 Rectangle bounds = image.getBounds (); | |
| 585 imageHeight = bounds.height; | |
| 586 imageWidth = bounds.width; | |
| 587 } else { | |
| 588 imageHeight = imageWidth = 0; | |
| 589 } | |
| 590 if (oldImageHeight !is imageHeight) { | |
| 591 parent.layoutItems (parent.indexOf (this), true); | |
| 592 } else { | |
| 593 redraw (); | |
| 594 } | |
| 595 } | |
| 596 } | |
| 597 | |
| 240 | 598 void setOrientation() { |
| 599 super.setOrientation (); | |
| 600 if ((parent.style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 601 OS.gtk_widget_set_direction (handle, OS.GTK_TEXT_DIR_RTL); | |
| 602 display.doSetDirectionProc(handle, OS.GTK_TEXT_DIR_RTL); | |
| 603 } | |
| 604 } | |
| 605 | |
| 238 | 606 public override void setText (String string) { |
| 79 | 607 super.setText (string); |
| 608 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
|
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removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
609 OS.gtk_label_set_text (labelHandle, toStringz(string)); |
| 79 | 610 } else { |
| 611 redraw (); | |
| 612 } | |
| 613 } | |
| 614 | |
| 615 void showWidget (int index) { | |
| 616 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { | |
| 617 OS.gtk_widget_show (handle); | |
| 618 OS.gtk_widget_show (clientHandle); | |
| 619 OS.gtk_container_add (parent.handle, handle); | |
| 620 OS.gtk_box_set_child_packing (parent.handle, handle, false, false, 0, OS.GTK_PACK_START); | |
| 621 if (boxHandle !is null) OS.gtk_widget_show (boxHandle); | |
| 622 if (labelHandle !is null) OS.gtk_widget_show (labelHandle); | |
| 623 } | |
| 624 } | |
| 625 | |
| 626 override int /*long*/ windowProc (GtkWidget* handle, int /*long*/ user_data) { | |
| 627 switch (cast(int)/*64*/user_data) { | |
| 628 case ACTIVATE_INVERSE: { | |
| 629 expanded = cast(bool)OS.gtk_expander_get_expanded (handle); | |
| 630 parent.layoutItems (0, false); | |
| 631 return 0; | |
| 632 } | |
| 633 default: | |
| 634 } | |
| 635 return super.windowProc (handle, user_data); | |
| 636 } | |
| 637 } |