Mercurial > projects > dwt-linux
annotate dwt/widgets/Composite.d @ 40:7fb1ab011933
made macro implementations active, one compile problem in OS.d:2554
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Thu, 10 Jan 2008 08:18:45 +0100 |
| parents | 6e625fa1612d |
| children | 93981635e709 |
| rev | line source |
|---|---|
| 30 | 1 /******************************************************************************* |
| 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 | |
| 10 *******************************************************************************/ | |
| 11 module dwt.widgets.Composite; | |
| 12 | |
| 34 | 13 import dwt.widgets.Control; |
| 14 import dwt.widgets.Scrollable; | |
| 15 import dwt.widgets.Layout; | |
| 16 import dwt.widgets.Decorations; | |
| 17 import dwt.widgets.ScrollBar; | |
| 18 import dwt.widgets.Shell; | |
| 19 import dwt.widgets.Menu; | |
| 20 import dwt.widgets.Event; | |
| 21 import dwt.widgets.Widget; | |
| 22 import dwt.widgets.Display; | |
| 23 import dwt.graphics.GCData; | |
| 30 | 24 |
| 34 | 25 import dwt.internal.gtk.OS; |
| 26 import dwt.graphics.GC; | |
| 27 import dwt.SWT; | |
| 28 import dwt.internal.cairo.Cairo; | |
| 29 import dwt.internal.gtk.OS; | |
| 30 import dwt.graphics.Rectangle; | |
| 30 | 31 |
| 32 /** | |
| 33 * Instances of this class are controls which are capable | |
| 34 * of containing other controls. | |
| 35 * <dl> | |
| 36 * <dt><b>Styles:</b></dt> | |
| 37 * <dd>NO_BACKGROUND, NO_FOCUS, NO_MERGE_PAINTS, NO_REDRAW_RESIZE, NO_RADIO_GROUP, EMBEDDED, DOUBLE_BUFFERED</dd> | |
| 38 * <dt><b>Events:</b></dt> | |
| 39 * <dd>(none)</dd> | |
| 40 * </dl> | |
| 41 * <p> | |
| 42 * Note: The <code>NO_BACKGROUND</code>, <code>NO_FOCUS</code>, <code>NO_MERGE_PAINTS</code>, | |
| 43 * and <code>NO_REDRAW_RESIZE</code> styles are intended for use with <code>Canvas</code>. | |
| 44 * They can be used with <code>Composite</code> if you are drawing your own, but their | |
| 45 * behavior is undefined if they are used with subclasses of <code>Composite</code> other | |
| 46 * than <code>Canvas</code>. | |
| 47 * </p><p> | |
| 48 * Note: The <code>CENTER</code> style, although undefined for composites, has the | |
| 49 * same value as <code>EMBEDDED</code> (which is used to embed widgets from other | |
| 50 * widget toolkits into SWT). On some operating systems (GTK, Motif), this may cause | |
| 51 * the children of this composite to be obscured. The <code>EMBEDDED</code> style | |
| 52 * is for use by other widget toolkits and should normally never be used. | |
| 53 * </p><p> | |
| 54 * This class may be subclassed by custom control implementors | |
| 55 * who are building controls that are constructed from aggregates | |
| 56 * of other controls. | |
| 57 * </p> | |
| 58 * | |
| 59 * @see Canvas | |
| 60 */ | |
| 34 | 61 public class Composite : Scrollable { |
| 62 public int embeddedHandle; | |
| 63 GtkIMContext* imHandle_; | |
| 64 GtkWidget* socketHandle; | |
| 65 Layout layout_; | |
| 30 | 66 Control[] tabList; |
| 67 int layoutCount, backgroundMode; | |
| 68 | |
| 34 | 69 static const char[] NO_INPUT_METHOD = "dwt.internal.gtk.noInputMethod"; //$NON-NLS-1$ |
| 30 | 70 |
| 34 | 71 this () { |
| 30 | 72 /* Do nothing */ |
| 73 } | |
| 74 | |
| 75 /** | |
| 76 * Constructs a new instance of this class given its parent | |
| 77 * and a style value describing its behavior and appearance. | |
| 78 * <p> | |
| 79 * The style value is either one of the style constants defined in | |
| 80 * class <code>SWT</code> which is applicable to instances of this | |
| 81 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 82 * (that is, using the <code>int</code> "|" operator) two or more | |
| 83 * of those <code>SWT</code> style constants. The class description | |
| 84 * lists the style constants that are applicable to the class. | |
| 85 * Style bits are also inherited from superclasses. | |
| 86 * </p> | |
| 87 * | |
| 88 * @param parent a widget which will be the parent of the new instance (cannot be null) | |
| 89 * @param style the style of widget to construct | |
| 90 * | |
| 91 * @exception IllegalArgumentException <ul> | |
| 92 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 93 * </ul> | |
| 94 * @exception SWTException <ul> | |
| 95 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 96 * </ul> | |
| 97 * | |
| 98 * @see SWT#NO_BACKGROUND | |
| 99 * @see SWT#NO_FOCUS | |
| 100 * @see SWT#NO_MERGE_PAINTS | |
| 101 * @see SWT#NO_REDRAW_RESIZE | |
| 102 * @see SWT#NO_RADIO_GROUP | |
| 103 * @see Widget#getStyle | |
| 104 */ | |
| 34 | 105 public this (Composite parent, int style) { |
| 30 | 106 super (parent, style); |
| 107 } | |
| 108 | |
| 109 Control [] _getChildren () { | |
| 34 | 110 auto parentHandle = parentingHandle (); |
| 111 auto list = OS.gtk_container_get_children (cast(GtkContainer*)parentHandle); | |
| 112 if (list is null) return new Control [0]; | |
| 30 | 113 int count = OS.g_list_length (list); |
| 114 Control [] children = new Control [count]; | |
| 115 int i = 0; | |
| 34 | 116 auto temp = list; |
| 117 while (temp !is null) { | |
| 118 auto handle = cast(GtkWidget*)OS.g_list_data (temp); | |
| 119 if (handle !is null) { | |
| 30 | 120 Widget widget = display.getWidget (handle); |
| 34 | 121 if (widget !is null && widget !is this) { |
| 122 if (auto c = cast(Control)widget) { | |
| 123 children [i++] = c; | |
| 30 | 124 } |
| 125 } | |
| 126 } | |
| 34 | 127 temp = cast(GList*)OS.g_list_next (temp); |
| 30 | 128 } |
| 129 OS.g_list_free (list); | |
| 34 | 130 if (i is count) return children; |
| 30 | 131 Control [] newChildren = new Control [i]; |
| 132 System.arraycopy (children, 0, newChildren, 0, i); | |
| 133 return newChildren; | |
| 134 } | |
| 135 | |
| 136 Control [] _getTabList () { | |
| 34 | 137 if (tabList is null) return tabList; |
| 30 | 138 int count = 0; |
| 139 for (int i=0; i<tabList.length; i++) { | |
| 140 if (!tabList [i].isDisposed ()) count++; | |
| 141 } | |
| 34 | 142 if (count is tabList.length) return tabList; |
| 30 | 143 Control [] newList = new Control [count]; |
| 144 int index = 0; | |
| 145 for (int i=0; i<tabList.length; i++) { | |
| 146 if (!tabList [i].isDisposed ()) { | |
| 147 newList [index++] = tabList [i]; | |
| 148 } | |
| 149 } | |
| 150 tabList = newList; | |
| 151 return tabList; | |
| 152 } | |
| 153 | |
| 154 /** | |
| 155 * Clears any data that has been cached by a Layout for all widgets that | |
| 156 * are in the parent hierarchy of the changed control up to and including the | |
| 157 * receiver. If an ancestor does not have a layout, it is skipped. | |
| 158 * | |
| 159 * @param changed an array of controls that changed state and require a recalculation of size | |
| 160 * | |
| 161 * @exception IllegalArgumentException <ul> | |
| 162 * <li>ERROR_INVALID_ARGUMENT - if the changed array is null any of its controls are null or have been disposed</li> | |
| 163 * <li>ERROR_INVALID_PARENT - if any control in changed is not in the widget tree of the receiver</li> | |
| 164 * </ul> | |
| 165 * @exception SWTException <ul> | |
| 166 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 167 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 168 * </ul> | |
| 169 * | |
| 170 * @since 3.1 | |
| 171 */ | |
| 172 public void changed (Control[] changed) { | |
| 173 checkWidget (); | |
| 34 | 174 if (changed is null) error (SWT.ERROR_INVALID_ARGUMENT); |
| 30 | 175 for (int i=0; i<changed.length; i++) { |
| 176 Control control = changed [i]; | |
| 34 | 177 if (control is null) error (SWT.ERROR_INVALID_ARGUMENT); |
| 30 | 178 if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| 34 | 179 bool ancestor = false; |
| 30 | 180 Composite composite = control.parent; |
| 34 | 181 while (composite !is null) { |
| 182 ancestor = composite is this; | |
| 30 | 183 if (ancestor) break; |
| 184 composite = composite.parent; | |
| 185 } | |
| 186 if (!ancestor) error (SWT.ERROR_INVALID_PARENT); | |
| 187 } | |
| 188 for (int i=0; i<changed.length; i++) { | |
| 189 Control child = changed [i]; | |
| 190 Composite composite = child.parent; | |
| 34 | 191 while (child !is this) { |
| 192 if (composite.layout_ is null || !composite.layout_.flushCache (child)) { | |
| 30 | 193 composite.state |= LAYOUT_CHANGED; |
| 194 } | |
| 195 child = composite; | |
| 196 composite = child.parent; | |
| 197 } | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 void checkBuffered () { | |
| 34 | 202 if ((style & SWT.DOUBLE_BUFFERED) is 0 && (style & SWT.NO_BACKGROUND) !is 0) { |
| 30 | 203 return; |
| 204 } | |
| 205 super.checkBuffered(); | |
| 206 } | |
| 207 | |
| 208 protected void checkSubclass () { | |
| 209 /* Do nothing - Subclassing is allowed */ | |
| 210 } | |
| 211 | |
| 34 | 212 GtkStyle* childStyle () { |
| 213 if (scrolledHandle !is null) return null; | |
| 30 | 214 return super.childStyle (); |
| 215 } | |
| 216 | |
| 34 | 217 public Point computeSize (int wHint, int hHint, bool changed) { |
| 30 | 218 checkWidget (); |
| 34 | 219 if (wHint !is SWT.DEFAULT && wHint < 0) wHint = 0; |
| 220 if (hHint !is SWT.DEFAULT && hHint < 0) hHint = 0; | |
| 30 | 221 Point size; |
| 34 | 222 if (layout_ !is null) { |
| 223 if (wHint is SWT.DEFAULT || hHint is SWT.DEFAULT) { | |
| 224 changed |= (state & LAYOUT_CHANGED) !is 0; | |
| 225 size = layout_.computeSize (this, wHint, hHint, changed); | |
| 30 | 226 state &= ~LAYOUT_CHANGED; |
| 227 } else { | |
| 228 size = new Point (wHint, hHint); | |
| 229 } | |
| 230 } else { | |
| 231 size = minimumSize (wHint, hHint, changed); | |
| 232 } | |
| 34 | 233 if (size.x is 0) size.x = DEFAULT_WIDTH; |
| 234 if (size.y is 0) size.y = DEFAULT_HEIGHT; | |
| 235 if (wHint !is SWT.DEFAULT) size.x = wHint; | |
| 236 if (hHint !is SWT.DEFAULT) size.y = hHint; | |
| 30 | 237 Rectangle trim = computeTrim (0, 0, size.x, size.y); |
| 238 return new Point (trim.width, trim.height); | |
| 239 } | |
| 240 | |
| 241 Control [] computeTabList () { | |
| 242 Control result [] = super.computeTabList (); | |
| 34 | 243 if (result.length is 0) return result; |
| 244 Control [] list = tabList !is null ? _getTabList () : _getChildren (); | |
| 30 | 245 for (int i=0; i<list.length; i++) { |
| 246 Control child = list [i]; | |
| 247 Control [] childList = child.computeTabList (); | |
| 34 | 248 if (childList.length !is 0) { |
| 30 | 249 Control [] newResult = new Control [result.length + childList.length]; |
| 250 System.arraycopy (result, 0, newResult, 0, result.length); | |
| 251 System.arraycopy (childList, 0, newResult, result.length, childList.length); | |
| 252 result = newResult; | |
| 253 } | |
| 254 } | |
| 255 return result; | |
| 256 } | |
| 257 | |
| 258 void createHandle (int index) { | |
| 259 state |= HANDLE | CANVAS; | |
| 34 | 260 bool scrolled = (style & (SWT.H_SCROLL | SWT.V_SCROLL)) !is 0; |
| 30 | 261 if (!scrolled) state |= THEME_BACKGROUND; |
| 34 | 262 createHandle (index, true, scrolled || (style & SWT.BORDER) !is 0); |
| 30 | 263 } |
| 264 | |
| 34 | 265 void createHandle (int index, bool fixed, bool scrolled) { |
| 30 | 266 if (scrolled) { |
| 267 if (fixed) { | |
| 34 | 268 fixedHandle = cast(GtkWidget*) OS.g_object_new (display.gtk_fixed_get_type (), null); |
| 269 if (fixedHandle is null) error (SWT.ERROR_NO_HANDLES); | |
| 270 OS.gtk_fixed_set_has_window (cast(GtkFixed*)fixedHandle, true); | |
| 30 | 271 } |
| 34 | 272 auto vadj = cast(GtkAdjustment*)OS.gtk_adjustment_new (0, 0, 100, 1, 10, 10); |
| 273 if (vadj is null) error (SWT.ERROR_NO_HANDLES); | |
| 274 auto hadj = cast(GtkAdjustment*)OS.gtk_adjustment_new (0, 0, 100, 1, 10, 10); | |
| 275 if (hadj is null) error (SWT.ERROR_NO_HANDLES); | |
| 276 scrolledHandle = cast(GtkWidget*) OS.gtk_scrolled_window_new (hadj, vadj); | |
| 277 if (scrolledHandle is null) SWT.error (SWT.ERROR_NO_HANDLES); | |
| 30 | 278 } |
| 34 | 279 handle = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null); |
| 280 if (handle is null) SWT.error (SWT.ERROR_NO_HANDLES); | |
| 281 OS.gtk_fixed_set_has_window (cast(GtkFixed*)handle, true); | |
| 30 | 282 OS.GTK_WIDGET_SET_FLAGS(handle, OS.GTK_CAN_FOCUS); |
| 34 | 283 if ((style & SWT.EMBEDDED) is 0) { |
| 284 if ((state & CANVAS) !is 0 && (style & SWT.NO_FOCUS) is 0) { | |
| 30 | 285 /* Prevent an input method context from being created for the Browser widget */ |
| 34 | 286 if (display.getData (NO_INPUT_METHOD) is null) { |
| 287 imHandle_ = OS.gtk_im_multicontext_new (); | |
| 288 if (imHandle_ is null) error (SWT.ERROR_NO_HANDLES); | |
| 30 | 289 } |
| 290 } | |
| 291 } | |
| 292 if (scrolled) { | |
| 34 | 293 if (fixed) OS.gtk_container_add (cast(GtkContainer*)fixedHandle, scrolledHandle); |
| 30 | 294 /* |
| 295 * Force the scrolledWindow to have a single child that is | |
| 296 * not scrolled automatically. Calling gtk_container_add() | |
| 297 * seems to add the child correctly but cause a warning. | |
| 298 */ | |
| 34 | 299 bool warnings = display.getWarnings (); |
| 30 | 300 display.setWarnings (false); |
| 34 | 301 OS.gtk_container_add (cast(GtkContainer*)scrolledHandle, handle); |
| 30 | 302 display.setWarnings (warnings); |
| 303 | |
| 34 | 304 int hsp = (style & SWT.H_SCROLL) !is 0 ? OS.GTK_POLICY_ALWAYS : OS.GTK_POLICY_NEVER; |
| 305 int vsp = (style & SWT.V_SCROLL) !is 0 ? OS.GTK_POLICY_ALWAYS : OS.GTK_POLICY_NEVER; | |
| 306 OS.gtk_scrolled_window_set_policy (cast(GtkScrolledWindow*)scrolledHandle, hsp, vsp); | |
| 30 | 307 if (hasBorder ()) { |
| 34 | 308 OS.gtk_scrolled_window_set_shadow_type (cast(GtkScrolledWindow*)scrolledHandle, OS.GTK_SHADOW_ETCHED_IN); |
| 30 | 309 } |
| 310 } | |
| 34 | 311 if ((style & SWT.EMBEDDED) !is 0) { |
| 30 | 312 socketHandle = OS.gtk_socket_new (); |
| 34 | 313 if (socketHandle is null) SWT.error (SWT.ERROR_NO_HANDLES); |
| 314 OS.gtk_container_add (cast(GtkContainer*)handle, cast(GtkWidget*)socketHandle); | |
| 30 | 315 } |
| 34 | 316 if ((style & SWT.NO_REDRAW_RESIZE) !is 0) { |
| 30 | 317 OS.gtk_widget_set_redraw_on_allocate (handle, false); |
| 318 } | |
| 319 /* | |
| 320 * Bug in GTK. When a widget is double buffered and the back | |
| 321 * pixmap is null, the double buffer pixmap is filled with the | |
| 322 * background of the widget rather than the current contents of | |
| 323 * the screen. If nothing is drawn during an expose event, | |
| 324 * the pixels are altered. The fix is to clear double buffering | |
| 325 * when NO_BACKGROUND is set and DOUBLE_BUFFERED | |
| 326 * is not explicitly set. | |
| 327 */ | |
| 34 | 328 if ((style & SWT.DOUBLE_BUFFERED) is 0 && (style & SWT.NO_BACKGROUND) !is 0) { |
| 30 | 329 OS.gtk_widget_set_double_buffered (handle, false); |
| 330 } | |
| 331 } | |
| 332 | |
| 333 void deregister () { | |
| 334 super.deregister (); | |
| 34 | 335 if (socketHandle !is null) display.removeWidget (cast(GtkWidget*)socketHandle); |
| 30 | 336 } |
| 337 | |
| 338 void drawBackground (GC gc, int x, int y, int width, int height) { | |
| 339 Control control = findBackgroundControl (); | |
| 34 | 340 if (control !is null) { |
| 30 | 341 GCData data = gc.getGCData (); |
| 34 | 342 auto cairo = data.cairo; |
| 343 if (cairo !is null) { | |
| 30 | 344 Cairo.cairo_save (cairo); |
| 34 | 345 if (control.backgroundImage !is null) { |
| 30 | 346 Point pt = display.map (this, control, 0, 0); |
| 347 Cairo.cairo_translate (cairo, -pt.x, -pt.y); | |
| 348 x += pt.x; | |
| 349 y += pt.y; | |
| 34 | 350 auto xDisplay = OS.GDK_DISPLAY (); |
| 351 auto xVisual = OS.gdk_x11_visual_get_xvisual (OS.gdk_visual_get_system()); | |
| 352 auto drawable = control.backgroundImage.pixmap; | |
| 353 auto xDrawable = OS.GDK_PIXMAP_XID (drawable); | |
| 354 int w, h; | |
| 355 OS.gdk_drawable_get_size (cast(GdkDrawable*)drawable, &w, &h); | |
| 356 auto surface = Cairo.cairo_xlib_surface_create (xDisplay, xDrawable, xVisual, w, h); | |
| 357 if (surface is null) error (SWT.ERROR_NO_HANDLES); | |
| 358 auto pattern = Cairo.cairo_pattern_create_for_surface (surface); | |
| 359 if (pattern is null) error (SWT.ERROR_NO_HANDLES); | |
| 30 | 360 Cairo.cairo_pattern_set_extend (pattern, Cairo.CAIRO_EXTEND_REPEAT); |
| 361 Cairo.cairo_set_source (cairo, pattern); | |
| 362 Cairo.cairo_surface_destroy (surface); | |
| 363 Cairo.cairo_pattern_destroy (pattern); | |
| 364 } else { | |
| 34 | 365 GdkColor* color = control.getBackgroundColor (); |
| 366 Cairo.cairo_set_source_rgba (cairo, (color.red & 0xFFFF) / cast(float)0xFFFF, (color.green & 0xFFFF) / cast(float)0xFFFF, (color.blue & 0xFFFF) / cast(float)0xFFFF, data.alpha / cast(float)0xFF); | |
| 30 | 367 } |
| 368 Cairo.cairo_rectangle (cairo, x, y, width, height); | |
| 369 Cairo.cairo_fill (cairo); | |
| 370 Cairo.cairo_restore (cairo); | |
| 371 } else { | |
| 34 | 372 auto gdkGC = gc.handle; |
| 373 GdkGCValues* values = new GdkGCValues (); | |
| 30 | 374 OS.gdk_gc_get_values (gdkGC, values); |
| 34 | 375 if (control.backgroundImage !is null) { |
| 30 | 376 Point pt = display.map (this, control, 0, 0); |
| 377 OS.gdk_gc_set_fill (gdkGC, OS.GDK_TILED); | |
| 378 OS.gdk_gc_set_ts_origin (gdkGC, -pt.x, -pt.y); | |
| 379 OS.gdk_gc_set_tile (gdkGC, control.backgroundImage.pixmap); | |
| 380 OS.gdk_draw_rectangle (data.drawable, gdkGC, 1, x, y, width, height); | |
| 381 OS.gdk_gc_set_fill (gdkGC, values.fill); | |
| 382 OS.gdk_gc_set_ts_origin (gdkGC, values.ts_x_origin, values.ts_y_origin); | |
| 383 } else { | |
| 34 | 384 GdkColor* color = control.getBackgroundColor (); |
| 30 | 385 OS.gdk_gc_set_foreground (gdkGC, color); |
| 386 OS.gdk_draw_rectangle (data.drawable, gdkGC, 1, x, y, width, height); | |
| 34 | 387 color.pixel = values.foreground.pixel; |
| 30 | 388 OS.gdk_gc_set_foreground (gdkGC, color); |
| 389 } | |
| 390 } | |
| 391 } else { | |
| 392 gc.fillRectangle (x, y, width, height); | |
| 393 } | |
| 394 } | |
| 395 | |
| 34 | 396 void enableWidget (bool enabled) { |
| 397 if ((state & CANVAS) !is 0) return; | |
| 30 | 398 super.enableWidget (enabled); |
| 399 } | |
| 400 | |
| 401 Composite findDeferredControl () { | |
| 402 return layoutCount > 0 ? this : parent.findDeferredControl (); | |
| 403 } | |
| 404 | |
| 405 Menu [] findMenus (Control control) { | |
| 34 | 406 if (control is this) return new Menu [0]; |
| 30 | 407 Menu result [] = super.findMenus (control); |
| 408 Control [] children = _getChildren (); | |
| 409 for (int i=0; i<children.length; i++) { | |
| 410 Control child = children [i]; | |
| 411 Menu [] menuList = child.findMenus (control); | |
| 34 | 412 if (menuList.length !is 0) { |
| 30 | 413 Menu [] newResult = new Menu [result.length + menuList.length]; |
| 414 System.arraycopy (result, 0, newResult, 0, result.length); | |
| 415 System.arraycopy (menuList, 0, newResult, result.length, menuList.length); | |
| 416 result = newResult; | |
| 417 } | |
| 418 } | |
| 419 return result; | |
| 420 } | |
| 421 | |
| 422 void fixChildren (Shell newShell, Shell oldShell, Decorations newDecorations, Decorations oldDecorations, Menu [] menus) { | |
| 423 super.fixChildren (newShell, oldShell, newDecorations, oldDecorations, menus); | |
| 424 Control [] children = _getChildren (); | |
| 425 for (int i=0; i<children.length; i++) { | |
| 426 children [i].fixChildren (newShell, oldShell, newDecorations, oldDecorations, menus); | |
| 427 } | |
| 428 } | |
| 429 | |
| 34 | 430 alias Scrollable.fixStyle fixStyle; |
| 30 | 431 void fixStyle () { |
| 432 super.fixStyle (); | |
| 34 | 433 if (scrolledHandle is null) fixStyle (handle); |
| 30 | 434 Control[] children = _getChildren (); |
| 435 for (int i = 0; i < children.length; i++) { | |
| 436 children [i].fixStyle (); | |
| 437 } | |
| 438 } | |
| 439 | |
| 440 void fixTabList (Control control) { | |
| 34 | 441 if (tabList is null) return; |
| 30 | 442 int count = 0; |
| 443 for (int i=0; i<tabList.length; i++) { | |
| 34 | 444 if (tabList [i] is control) count++; |
| 30 | 445 } |
| 34 | 446 if (count is 0) return; |
| 30 | 447 Control [] newList = null; |
| 448 int length = tabList.length - count; | |
| 34 | 449 if (length !is 0) { |
| 30 | 450 newList = new Control [length]; |
| 451 int index = 0; | |
| 452 for (int i=0; i<tabList.length; i++) { | |
| 34 | 453 if (tabList [i] !is control) { |
| 30 | 454 newList [index++] = tabList [i]; |
| 455 } | |
| 456 } | |
| 457 } | |
| 458 tabList = newList; | |
| 459 } | |
| 460 | |
| 461 void fixZOrder () { | |
| 34 | 462 if ((state & CANVAS) !is 0) return; |
| 463 auto parentHandle = parentingHandle (); | |
| 464 auto parentWindow = OS.GTK_WIDGET_WINDOW (cast(GtkWidget*)parentHandle); | |
| 465 if (parentWindow is null) return; | |
| 466 GObject* userData; | |
| 467 auto windowList = OS.gdk_window_get_children (parentWindow); | |
| 468 if (windowList !is null) { | |
| 469 auto windows = windowList; | |
| 470 while (windows !is null) { | |
| 471 auto window = cast(GdkDrawable*)OS.g_list_data (windows); | |
| 472 if (window !is redrawWindow) { | |
| 473 OS.gdk_window_get_user_data (window, cast(void**)&userData); | |
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40
7fb1ab011933
made macro implementations active, one compile problem in OS.d:2554
Frank Benoit <benoit@tionex.de>
parents:
38
diff
changeset
|
474 if (userData is null || OS.G_OBJECT_TYPE (cast(GTypeInstance*)userData) !is display.gtk_fixed_get_type ()) { |
| 30 | 475 OS.gdk_window_lower (window); |
| 476 } | |
| 477 } | |
| 34 | 478 windows = cast(GList*)OS.g_list_next (windows); |
| 30 | 479 } |
| 480 OS.g_list_free (windowList); | |
| 481 } | |
| 482 } | |
| 483 | |
| 34 | 484 GtkWidget* focusHandle () { |
| 485 if (socketHandle !is null) return socketHandle; | |
| 30 | 486 return super.focusHandle (); |
| 487 } | |
| 488 | |
| 34 | 489 bool forceFocus (GtkWidget* focusHandle) { |
| 490 if (socketHandle !is null) OS.GTK_WIDGET_SET_FLAGS (focusHandle, OS.GTK_CAN_FOCUS); | |
| 491 bool result = super.forceFocus (focusHandle); | |
| 492 if (socketHandle !is null) OS.GTK_WIDGET_UNSET_FLAGS (focusHandle, OS.GTK_CAN_FOCUS); | |
| 30 | 493 return result; |
| 494 } | |
| 495 | |
| 496 /** | |
| 497 * Returns the receiver's background drawing mode. This | |
| 498 * will be one of the following constants defined in class | |
| 499 * <code>SWT</code>: | |
| 500 * <code>INHERIT_NONE</code>, <code>INHERIT_DEFAULT</code>, | |
| 501 * <code>INHERTIT_FORCE</code>. | |
| 502 * | |
| 503 * @return the background mode | |
| 504 * | |
| 505 * @exception SWTException <ul> | |
| 506 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 507 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 508 * </ul> | |
| 509 * | |
| 510 * @see SWT | |
| 511 * | |
| 512 * @since 3.2 | |
| 513 */ | |
| 514 public int getBackgroundMode () { | |
| 515 checkWidget (); | |
| 516 return backgroundMode; | |
| 517 } | |
| 518 | |
| 519 /** | |
| 520 * Returns a (possibly empty) array containing the receiver's children. | |
| 521 * Children are returned in the order that they are drawn. The topmost | |
| 522 * control appears at the beginning of the array. Subsequent controls | |
| 523 * draw beneath this control and appear later in the array. | |
| 524 * <p> | |
| 525 * Note: This is not the actual structure used by the receiver | |
| 526 * to maintain its list of children, so modifying the array will | |
| 527 * not affect the receiver. | |
| 528 * </p> | |
| 529 * | |
| 530 * @return an array of children | |
| 531 * | |
| 532 * @see Control#moveAbove | |
| 533 * @see Control#moveBelow | |
| 534 * | |
| 535 * @exception SWTException <ul> | |
| 536 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 537 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 538 * </ul> | |
| 539 */ | |
| 540 public Control [] getChildren () { | |
| 541 checkWidget(); | |
| 542 return _getChildren (); | |
| 543 } | |
| 544 | |
| 545 int getChildrenCount () { | |
| 546 /* | |
| 547 * NOTE: The current implementation will count | |
| 548 * non-registered children. | |
| 549 */ | |
| 34 | 550 auto list = OS.gtk_container_get_children (cast(GtkContainer*)handle); |
| 551 if (list is null) return 0; | |
| 30 | 552 int count = OS.g_list_length (list); |
| 553 OS.g_list_free (list); | |
| 554 return count; | |
| 555 } | |
| 556 | |
| 557 public Rectangle getClientArea () { | |
| 558 checkWidget(); | |
| 34 | 559 if ((state & CANVAS) !is 0) { |
| 560 if ((state & ZERO_WIDTH) !is 0 && (state & ZERO_HEIGHT) !is 0) { | |
| 30 | 561 return new Rectangle (0, 0, 0, 0); |
| 562 } | |
| 563 forceResize (); | |
| 34 | 564 auto clientHandle = clientHandle (); |
| 565 int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (clientHandle); | |
| 566 int height = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (clientHandle); | |
| 30 | 567 return new Rectangle (0, 0, width, height); |
| 568 } | |
| 569 return super.getClientArea(); | |
| 570 } | |
| 571 | |
| 572 /** | |
| 573 * Returns layout which is associated with the receiver, or | |
| 574 * null if one has not been set. | |
| 575 * | |
| 576 * @return the receiver's layout or null | |
| 577 * | |
| 578 * @exception SWTException <ul> | |
| 579 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 580 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 581 * </ul> | |
| 582 */ | |
| 583 public Layout getLayout () { | |
| 584 checkWidget(); | |
| 34 | 585 return layout_; |
| 30 | 586 } |
| 587 | |
| 588 /** | |
| 589 * Returns <code>true</code> if the receiver has deferred | |
| 590 * the performing of layout, and <code>false</code> otherwise. | |
| 591 * | |
| 592 * @return the receiver's deferred layout state | |
| 593 * | |
| 594 * @exception SWTException <ul> | |
| 595 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 596 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 597 * </ul> | |
| 598 * | |
| 34 | 599 * @see #setLayoutDeferred(bool) |
| 30 | 600 * @see #isLayoutDeferred() |
| 601 * | |
| 602 * @since 3.1 | |
| 603 */ | |
| 34 | 604 public bool getLayoutDeferred () { |
| 30 | 605 checkWidget (); |
| 606 return layoutCount > 0 ; | |
| 607 } | |
| 608 | |
| 609 /** | |
| 610 * Gets the (possibly empty) tabbing order for the control. | |
| 611 * | |
| 612 * @return tabList the ordered list of controls representing the tab order | |
| 613 * | |
| 614 * @exception SWTException <ul> | |
| 615 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 616 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 617 * </ul> | |
| 618 * | |
| 619 * @see #setTabList | |
| 620 */ | |
| 621 public Control [] getTabList () { | |
| 622 checkWidget (); | |
| 623 Control [] tabList = _getTabList (); | |
| 34 | 624 if (tabList is null) { |
| 30 | 625 int count = 0; |
| 626 Control [] list =_getChildren (); | |
| 627 for (int i=0; i<list.length; i++) { | |
| 628 if (list [i].isTabGroup ()) count++; | |
| 629 } | |
| 630 tabList = new Control [count]; | |
| 631 int index = 0; | |
| 632 for (int i=0; i<list.length; i++) { | |
| 633 if (list [i].isTabGroup ()) { | |
| 634 tabList [index++] = list [i]; | |
| 635 } | |
| 636 } | |
| 637 } | |
| 638 return tabList; | |
| 639 } | |
| 640 | |
| 34 | 641 override int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* event) { |
| 642 auto result = super.gtk_button_press_event (widget, event); | |
| 643 if (result !is 0) return result; | |
| 644 if ((state & CANVAS) !is 0) { | |
| 645 if ((style & SWT.NO_FOCUS) is 0 && hooksKeys ()) { | |
| 646 if (event.button is 1) { | |
| 647 if (getChildrenCount () is 0) setFocus (); | |
| 30 | 648 } |
| 649 } | |
| 650 } | |
| 651 return result; | |
| 652 } | |
| 653 | |
| 34 | 654 override int /*long*/ gtk_expose_event (GtkWidget* widget, GdkEventExpose* eventPtr) { |
| 655 if ((state & OBSCURED) !is 0) return 0; | |
| 656 if ((state & CANVAS) is 0) { | |
| 30 | 657 return super.gtk_expose_event (widget, eventPtr); |
| 658 } | |
| 34 | 659 if ((style & SWT.NO_MERGE_PAINTS) is 0) { |
| 30 | 660 return super.gtk_expose_event (widget, eventPtr); |
| 661 } | |
| 662 if (!hooks (SWT.Paint) && !filters (SWT.Paint)) return 0; | |
| 34 | 663 GdkEventExpose* gdkEvent = eventPtr; |
| 664 GdkRectangle* rectangles; | |
| 665 int n_rectangles; | |
| 666 OS.gdk_region_get_rectangles (gdkEvent.region, &rectangles, &n_rectangles); | |
| 667 for (int i=0; i<n_rectangles; i++) { | |
| 30 | 668 Event event = new Event (); |
| 34 | 669 event.x = rectangles[i].x; |
| 670 event.y = rectangles[i].y; | |
| 671 event.width = rectangles[i].width; | |
| 672 event.height = rectangles[i].height; | |
| 673 auto damageRgn = OS.gdk_region_new (); | |
| 674 OS.gdk_region_union_with_rect (damageRgn, rectangles + i ); | |
| 30 | 675 GCData data = new GCData (); |
| 676 data.damageRgn = damageRgn; | |
| 677 GC gc = event.gc = GC.gtk_new (this, data); | |
| 678 OS.gdk_gc_set_clip_region (gc.handle, damageRgn); | |
| 679 sendEvent (SWT.Paint, event); | |
| 680 gc.dispose (); | |
| 681 OS.gdk_region_destroy (damageRgn); | |
| 682 event.gc = null; | |
| 683 } | |
| 34 | 684 OS.g_free (rectangles); |
| 30 | 685 return 0; |
| 686 } | |
| 687 | |
| 34 | 688 override int /*long*/ gtk_key_press_event (GtkWidget* widget, GdkEventKey* event) { |
| 689 auto result = super.gtk_key_press_event (widget, event); | |
| 690 if (result !is 0) return result; | |
| 30 | 691 /* |
| 692 * Feature in GTK. The default behavior when the return key | |
| 693 * is pressed is to select the default button. This is not the | |
| 694 * expected behavior for Composite and its subclasses. The | |
| 695 * fix is to avoid calling the default handler. | |
| 696 */ | |
| 34 | 697 if ((state & CANVAS) !is 0 && socketHandle is null) { |
| 698 GdkEventKey* keyEvent = event; | |
| 30 | 699 int key = keyEvent.keyval; |
| 700 switch (key) { | |
| 701 case OS.GDK_Return: | |
| 702 case OS.GDK_KP_Enter: return 1; | |
| 703 } | |
| 704 } | |
| 705 return result; | |
| 706 } | |
| 707 | |
| 38 | 708 override int /*long*/ gtk_focus (GtkWidget* widget, int directionType) { |
| 34 | 709 if (widget is socketHandle) return 0; |
| 30 | 710 return super.gtk_focus (widget, directionType); |
| 711 } | |
| 712 | |
| 37 | 713 override int /*long*/ gtk_focus_in_event (GtkWidget* widget, GdkEventFocus* event) { |
| 30 | 714 int /*long*/ result = super.gtk_focus_in_event (widget, event); |
| 34 | 715 return (state & CANVAS) !is 0 ? 1 : result; |
| 30 | 716 } |
| 717 | |
| 37 | 718 override int /*long*/ gtk_focus_out_event (GtkWidget* widget, GdkEventFocus* event) { |
| 34 | 719 auto result = super.gtk_focus_out_event (widget, event); |
| 720 return (state & CANVAS) !is 0 ? 1 : result; | |
| 30 | 721 } |
| 722 | |
| 34 | 723 override int /*long*/ gtk_map (GtkWidget* widget) { |
| 30 | 724 fixZOrder (); |
| 725 return 0; | |
| 726 } | |
| 727 | |
| 34 | 728 override int /*long*/ gtk_realize (GtkWidget* widget) { |
| 729 auto result = super.gtk_realize (widget); | |
| 730 if ((style & SWT.NO_BACKGROUND) !is 0) { | |
| 731 auto window = OS.GTK_WIDGET_WINDOW (paintHandle ()); | |
| 732 if (window !is null) OS.gdk_window_set_back_pixmap (window, null, false); | |
| 30 | 733 } |
| 34 | 734 if (socketHandle !is null) { |
| 735 embeddedHandle = OS.gtk_socket_get_id (cast(GtkSocket*)socketHandle); | |
| 30 | 736 } |
| 737 return result; | |
| 738 } | |
| 739 | |
| 34 | 740 override int /*long*/ gtk_scroll_child (GtkWidget* widget, int /*long*/ scrollType, int /*long*/ horizontal) { |
| 30 | 741 /* Stop GTK scroll child signal for canvas */ |
| 34 | 742 OS.g_signal_stop_emission_by_name (widget, OS.scroll_child.ptr); |
| 30 | 743 return 1; |
| 744 } | |
| 745 | |
| 34 | 746 override int /*long*/ gtk_style_set (GtkWidget* widget, int /*long*/ previousStyle) { |
| 747 auto result = super.gtk_style_set (widget, previousStyle); | |
| 748 if ((style & SWT.NO_BACKGROUND) !is 0) { | |
| 749 auto window = OS.GTK_WIDGET_WINDOW (paintHandle ()); | |
| 750 if (window !is null) OS.gdk_window_set_back_pixmap (window, null, false); | |
| 30 | 751 } |
| 752 return result; | |
| 753 } | |
| 754 | |
| 34 | 755 bool hasBorder () { |
| 756 return (style & SWT.BORDER) !is 0; | |
| 30 | 757 } |
| 758 | |
| 759 void hookEvents () { | |
| 760 super.hookEvents (); | |
| 34 | 761 if ((state & CANVAS) !is 0) { |
| 30 | 762 OS.gtk_widget_add_events (handle, OS.GDK_POINTER_MOTION_HINT_MASK); |
| 34 | 763 if (scrolledHandle !is null) { |
| 764 OS.g_signal_connect_closure (scrolledHandle, OS.scroll_child.ptr, display.closures [SCROLL_CHILD], false); | |
| 30 | 765 } |
| 766 } | |
| 767 } | |
| 768 | |
| 34 | 769 bool hooksKeys () { |
| 30 | 770 return hooks (SWT.KeyDown) || hooks (SWT.KeyUp); |
| 771 } | |
| 772 | |
| 34 | 773 GtkIMContext* imHandle () { |
| 774 return imHandle_; | |
| 30 | 775 } |
| 776 | |
| 777 /** | |
| 778 * Returns <code>true</code> if the receiver or any ancestor | |
| 779 * up to and including the receiver's nearest ancestor shell | |
| 780 * has deferred the performing of layouts. Otherwise, <code>false</code> | |
| 781 * is returned. | |
| 782 * | |
| 783 * @return the receiver's deferred layout state | |
| 784 * | |
| 785 * @exception SWTException <ul> | |
| 786 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 787 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 788 * </ul> | |
| 789 * | |
| 34 | 790 * @see #setLayoutDeferred(bool) |
| 30 | 791 * @see #getLayoutDeferred() |
| 792 * | |
| 793 * @since 3.1 | |
| 794 */ | |
| 34 | 795 public bool isLayoutDeferred () { |
| 30 | 796 checkWidget (); |
| 34 | 797 return findDeferredControl () !is null; |
| 30 | 798 } |
| 799 | |
| 34 | 800 bool isTabGroup() { |
| 801 if ((state & CANVAS) !is 0) return true; | |
| 30 | 802 return super.isTabGroup(); |
| 803 } | |
| 804 | |
| 805 /** | |
| 806 * If the receiver has a layout, asks the layout to <em>lay out</em> | |
| 807 * (that is, set the size and location of) the receiver's children. | |
| 808 * If the receiver does not have a layout, do nothing. | |
| 809 * <p> | |
| 810 * This is equivalent to calling <code>layout(true)</code>. | |
| 811 * </p> | |
| 812 * <p> | |
| 813 * Note: Layout is different from painting. If a child is | |
| 814 * moved or resized such that an area in the parent is | |
| 815 * exposed, then the parent will paint. If no child is | |
| 816 * affected, the parent will not paint. | |
| 817 * </p> | |
| 818 * | |
| 819 * @exception SWTException <ul> | |
| 820 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 821 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 822 * </ul> | |
| 823 */ | |
| 824 public void layout () { | |
| 825 checkWidget (); | |
| 826 layout (true); | |
| 827 } | |
| 828 | |
| 829 /** | |
| 830 * If the receiver has a layout, asks the layout to <em>lay out</em> | |
| 831 * (that is, set the size and location of) the receiver's children. | |
| 832 * If the argument is <code>true</code> the layout must not rely | |
| 833 * on any information it has cached about the immediate children. If it | |
| 834 * is <code>false</code> the layout may (potentially) optimize the | |
| 835 * work it is doing by assuming that none of the receiver's | |
| 836 * children has changed state since the last layout. | |
| 837 * If the receiver does not have a layout, do nothing. | |
| 838 * <p> | |
| 839 * If a child is resized as a result of a call to layout, the | |
| 840 * resize event will invoke the layout of the child. The layout | |
| 841 * will cascade down through all child widgets in the receiver's widget | |
| 842 * tree until a child is encountered that does not resize. Note that | |
| 843 * a layout due to a resize will not flush any cached information | |
| 844 * (same as <code>layout(false)</code>). | |
| 845 * </p> | |
| 846 * <p> | |
| 847 * Note: Layout is different from painting. If a child is | |
| 848 * moved or resized such that an area in the parent is | |
| 849 * exposed, then the parent will paint. If no child is | |
| 850 * affected, the parent will not paint. | |
| 851 * </p> | |
| 852 * | |
| 853 * @param changed <code>true</code> if the layout must flush its caches, and <code>false</code> otherwise | |
| 854 * | |
| 855 * @exception SWTException <ul> | |
| 856 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 857 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 858 * </ul> | |
| 859 */ | |
| 34 | 860 public void layout (bool changed) { |
| 30 | 861 checkWidget (); |
| 34 | 862 if (layout_ is null) return; |
| 30 | 863 layout (changed, false); |
| 864 } | |
| 865 | |
| 866 /** | |
| 867 * If the receiver has a layout, asks the layout to <em>lay out</em> | |
| 868 * (that is, set the size and location of) the receiver's children. | |
| 869 * If the changed argument is <code>true</code> the layout must not rely | |
| 870 * on any information it has cached about its children. If it | |
| 871 * is <code>false</code> the layout may (potentially) optimize the | |
| 872 * work it is doing by assuming that none of the receiver's | |
| 873 * children has changed state since the last layout. | |
| 874 * If the all argument is <code>true</code> the layout will cascade down | |
| 875 * through all child widgets in the receiver's widget tree, regardless of | |
| 876 * whether the child has changed size. The changed argument is applied to | |
| 877 * all layouts. If the all argument is <code>false</code>, the layout will | |
| 878 * <em>not</em> cascade down through all child widgets in the receiver's widget | |
| 879 * tree. However, if a child is resized as a result of a call to layout, the | |
| 880 * resize event will invoke the layout of the child. Note that | |
| 881 * a layout due to a resize will not flush any cached information | |
| 882 * (same as <code>layout(false)</code>). | |
| 883 * </p> | |
| 884 * <p> | |
| 885 * Note: Layout is different from painting. If a child is | |
| 886 * moved or resized such that an area in the parent is | |
| 887 * exposed, then the parent will paint. If no child is | |
| 888 * affected, the parent will not paint. | |
| 889 * </p> | |
| 890 * | |
| 891 * @param changed <code>true</code> if the layout must flush its caches, and <code>false</code> otherwise | |
| 892 * @param all <code>true</code> if all children in the receiver's widget tree should be laid out, and <code>false</code> otherwise | |
| 893 * | |
| 894 * @exception SWTException <ul> | |
| 895 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 896 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 897 * </ul> | |
| 898 * | |
| 899 * @since 3.1 | |
| 900 */ | |
| 34 | 901 public void layout (bool changed, bool all) { |
| 30 | 902 checkWidget (); |
| 34 | 903 if (layout_ is null && !all) return; |
| 30 | 904 markLayout (changed, all); |
| 905 updateLayout (all); | |
| 906 } | |
| 907 | |
| 908 /** | |
| 909 * Forces a lay out (that is, sets the size and location) of all widgets that | |
| 910 * are in the parent hierarchy of the changed control up to and including the | |
| 911 * receiver. The layouts in the hierarchy must not rely on any information | |
| 912 * cached about the changed control or any of its ancestors. The layout may | |
| 913 * (potentially) optimize the work it is doing by assuming that none of the | |
| 914 * peers of the changed control have changed state since the last layout. | |
| 915 * If an ancestor does not have a layout, skip it. | |
| 916 * <p> | |
| 917 * Note: Layout is different from painting. If a child is | |
| 918 * moved or resized such that an area in the parent is | |
| 919 * exposed, then the parent will paint. If no child is | |
| 920 * affected, the parent will not paint. | |
| 921 * </p> | |
| 922 * | |
| 923 * @param changed a control that has had a state change which requires a recalculation of its size | |
| 924 * | |
| 925 * @exception IllegalArgumentException <ul> | |
| 926 * <li>ERROR_INVALID_ARGUMENT - if the changed array is null any of its controls are null or have been disposed</li> | |
| 927 * <li>ERROR_INVALID_PARENT - if any control in changed is not in the widget tree of the receiver</li> | |
| 928 * </ul> | |
| 929 * @exception SWTException <ul> | |
| 930 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 931 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 932 * </ul> | |
| 933 * | |
| 934 * @since 3.1 | |
| 935 */ | |
| 936 public void layout (Control [] changed) { | |
| 937 checkWidget (); | |
| 34 | 938 if (changed is null) error (SWT.ERROR_INVALID_ARGUMENT); |
| 30 | 939 for (int i=0; i<changed.length; i++) { |
| 940 Control control = changed [i]; | |
| 34 | 941 if (control is null) error (SWT.ERROR_INVALID_ARGUMENT); |
| 30 | 942 if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| 34 | 943 bool ancestor = false; |
| 30 | 944 Composite composite = control.parent; |
| 34 | 945 while (composite !is null) { |
| 946 ancestor = composite is this; | |
| 30 | 947 if (ancestor) break; |
| 948 composite = composite.parent; | |
| 949 } | |
| 950 if (!ancestor) error (SWT.ERROR_INVALID_PARENT); | |
| 951 } | |
| 952 int updateCount = 0; | |
| 953 Composite [] update = new Composite [16]; | |
| 954 for (int i=0; i<changed.length; i++) { | |
| 955 Control child = changed [i]; | |
| 956 Composite composite = child.parent; | |
| 34 | 957 while (child !is this) { |
| 958 if (composite.layout_ !is null) { | |
| 30 | 959 composite.state |= LAYOUT_NEEDED; |
| 34 | 960 if (!composite.layout_.flushCache (child)) { |
| 30 | 961 composite.state |= LAYOUT_CHANGED; |
| 962 } | |
| 963 } | |
| 34 | 964 if (updateCount is update.length) { |
| 30 | 965 Composite [] newUpdate = new Composite [update.length + 16]; |
| 966 System.arraycopy (update, 0, newUpdate, 0, update.length); | |
| 967 update = newUpdate; | |
| 968 } | |
| 969 child = update [updateCount++] = composite; | |
| 970 composite = child.parent; | |
| 971 } | |
| 972 } | |
| 973 for (int i=updateCount-1; i>=0; i--) { | |
| 974 update [i].updateLayout (false); | |
| 975 } | |
| 976 } | |
| 977 | |
| 34 | 978 void markLayout (bool changed, bool all) { |
| 979 if (layout_ !is null) { | |
| 30 | 980 state |= LAYOUT_NEEDED; |
| 981 if (changed) state |= LAYOUT_CHANGED; | |
| 982 } | |
| 983 if (all) { | |
| 984 Control [] children = _getChildren (); | |
| 985 for (int i=0; i<children.length; i++) { | |
| 986 children [i].markLayout (changed, all); | |
| 987 } | |
| 988 } | |
| 989 } | |
| 990 | |
| 34 | 991 void moveAbove (GtkWidget* child, GtkWidget* sibling) { |
| 992 if (child is sibling) return; | |
| 993 auto parentHandle = parentingHandle (); | |
| 994 auto fixed = cast(GtkFixed*)parentHandle; | |
| 995 auto children = fixed.children; | |
| 996 if (children is null) return; | |
| 997 GList* data; | |
| 998 GtkWidget* widget; | |
| 999 GList* childData, childLink, siblingLink; | |
| 1000 GList* temp = children; | |
| 1001 while (temp !is null) { | |
| 1002 data = temp; | |
| 1003 widget = cast(GtkWidget*) data; | |
| 1004 if (child is widget) { | |
| 30 | 1005 childLink = temp; |
| 34 | 1006 childData = data; |
| 1007 } else if (sibling is widget) { | |
| 30 | 1008 siblingLink = temp; |
| 1009 } | |
| 34 | 1010 if (childData !is null && (sibling is null || siblingLink !is null)) break; |
| 1011 temp = cast(GList*)OS.g_list_next (temp); | |
| 30 | 1012 } |
| 1013 children = OS.g_list_remove_link (children, childLink); | |
| 34 | 1014 if (siblingLink is null || siblingLink.prev is null) { |
| 30 | 1015 OS.g_list_free_1 (childLink); |
| 1016 children = OS.g_list_prepend (children, childData); | |
| 1017 } else { | |
| 34 | 1018 temp = siblingLink.prev; |
| 1019 childLink.prev = temp; | |
| 1020 temp.next = childLink; | |
| 1021 childLink.next = siblingLink; | |
| 1022 siblingLink.prev = childLink; | |
| 30 | 1023 } |
| 1024 fixed.children = children; | |
| 34 | 1025 parentHandle = cast(GtkWidget*)fixed; |
| 30 | 1026 } |
| 1027 | |
| 34 | 1028 void moveBelow (GtkWidget* child, GtkWidget* sibling) { |
| 1029 if (child is sibling) return; | |
| 1030 auto parentHandle = parentingHandle (); | |
| 1031 if (sibling is null && cast(GtkWidget*)parentHandle is cast(GtkWidget*)fixedHandle) { | |
| 1032 moveAbove (child, scrolledHandle !is null ? cast(GtkWidget*)scrolledHandle : handle); | |
| 30 | 1033 return; |
| 1034 } | |
| 34 | 1035 auto fixed = cast(GtkFixed*)parentHandle; |
| 1036 auto children = fixed.children; | |
| 1037 if (children is null) return; | |
| 1038 GList* data; | |
| 1039 GtkWidget* widget; | |
| 1040 GList* childData, childLink, siblingLink, temp = children; | |
| 1041 while (temp !is null) { | |
| 1042 data = temp; | |
| 1043 widget = cast(GtkWidget*) data; | |
| 1044 if (child is widget) { | |
| 30 | 1045 childLink = temp; |
| 34 | 1046 childData = data; |
| 1047 } else if (sibling is widget) { | |
| 30 | 1048 siblingLink = temp; |
| 1049 } | |
| 34 | 1050 if (childData !is null && (sibling is null || siblingLink !is null)) break; |
| 1051 temp = temp.next; | |
| 30 | 1052 } |
| 1053 children = OS.g_list_remove_link (children, childLink); | |
| 34 | 1054 if (siblingLink is null || siblingLink.next is null) { |
| 30 | 1055 OS.g_list_free_1 (childLink); |
| 1056 children = OS.g_list_append (children, childData); | |
| 1057 } else { | |
| 34 | 1058 temp = siblingLink.next; |
| 1059 childLink.next = temp; | |
| 1060 temp.prev = childLink; | |
| 1061 childLink.prev = siblingLink; | |
| 1062 siblingLink.next = childLink; | |
| 30 | 1063 } |
| 1064 fixed.children = children; | |
| 34 | 1065 parentHandle = cast(GtkWidget*)fixed; |
| 30 | 1066 } |
| 1067 | |
| 34 | 1068 Point minimumSize (int wHint, int hHint, bool changed) { |
| 30 | 1069 Control [] children = _getChildren (); |
| 1070 int width = 0, height = 0; | |
| 1071 for (int i=0; i<children.length; i++) { | |
| 1072 Rectangle rect = children [i].getBounds (); | |
| 1073 width = Math.max (width, rect.x + rect.width); | |
| 1074 height = Math.max (height, rect.y + rect.height); | |
| 1075 } | |
| 1076 return new Point (width, height); | |
| 1077 } | |
| 1078 | |
| 34 | 1079 GtkWidget* parentingHandle () { |
| 1080 if ((state & CANVAS) !is 0) return handle; | |
| 1081 return fixedHandle !is null ? fixedHandle : handle; | |
| 30 | 1082 } |
| 1083 | |
| 1084 void redrawChildren () { | |
| 1085 super.redrawChildren (); | |
| 1086 Control [] children = _getChildren (); | |
| 1087 for (int i = 0; i < children.length; i++) { | |
| 1088 Control child = children [i]; | |
| 34 | 1089 if ((child.state & PARENT_BACKGROUND) !is 0) { |
| 30 | 1090 child.redrawWidget (0, 0, 0, 0, true, false, true); |
| 1091 child.redrawChildren (); | |
| 1092 } | |
| 1093 } | |
| 1094 } | |
| 1095 | |
| 1096 void register () { | |
| 1097 super.register (); | |
| 34 | 1098 if (socketHandle !is null) display.addWidget (socketHandle, this); |
| 30 | 1099 } |
| 1100 | |
| 34 | 1101 void releaseChildren (bool destroy) { |
| 30 | 1102 Control [] children = _getChildren (); |
| 1103 for (int i=0; i<children.length; i++) { | |
| 1104 Control child = children [i]; | |
| 34 | 1105 if (child !is null && !child.isDisposed ()) { |
| 30 | 1106 child.release (false); |
| 1107 } | |
| 1108 } | |
| 1109 super.releaseChildren (destroy); | |
| 1110 } | |
| 1111 | |
| 1112 void releaseHandle () { | |
| 1113 super.releaseHandle (); | |
| 34 | 1114 socketHandle = null; |
| 1115 embeddedHandle = 0; | |
| 30 | 1116 } |
| 1117 | |
| 1118 void releaseWidget () { | |
| 1119 super.releaseWidget (); | |
| 34 | 1120 if (imHandle_ !is null) OS.g_object_unref (imHandle_); |
| 1121 imHandle_ = null; | |
| 1122 layout_ = null; | |
| 30 | 1123 tabList = null; |
| 1124 } | |
| 1125 | |
| 1126 void removeControl (Control control) { | |
| 1127 fixTabList (control); | |
| 1128 } | |
| 1129 | |
| 1130 void resizeHandle (int width, int height) { | |
| 1131 super.resizeHandle (width, height); | |
| 34 | 1132 if (socketHandle !is null) OS.gtk_widget_set_size_request (socketHandle, width, height); |
| 30 | 1133 } |
| 1134 | |
| 1135 /** | |
| 1136 * Sets the background drawing mode to the argument which should | |
| 1137 * be one of the following constants defined in class <code>SWT</code>: | |
| 1138 * <code>INHERIT_NONE</code>, <code>INHERIT_DEFAULT</code>, | |
| 1139 * <code>INHERIT_FORCE</code>. | |
| 1140 * | |
| 1141 * @param mode the new background mode | |
| 1142 * | |
| 1143 * @exception SWTException <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 SWT | |
| 1149 * | |
| 1150 * @since 3.2 | |
| 1151 */ | |
| 1152 public void setBackgroundMode (int mode) { | |
| 1153 checkWidget (); | |
| 1154 backgroundMode = mode; | |
| 1155 Control[] children = _getChildren (); | |
| 1156 for (int i = 0; i < children.length; i++) { | |
| 1157 children [i].updateBackgroundMode (); | |
| 1158 } | |
| 1159 } | |
| 1160 | |
| 34 | 1161 int setBounds (int x, int y, int width, int height, bool move, bool resize) { |
| 30 | 1162 int result = super.setBounds (x, y, width, height, move, resize); |
| 34 | 1163 if ((result & RESIZED) !is 0 && layout_ !is null) { |
| 30 | 1164 markLayout (false, false); |
| 1165 updateLayout (false); | |
| 1166 } | |
| 1167 return result; | |
| 1168 } | |
| 1169 | |
| 34 | 1170 public bool setFocus () { |
| 30 | 1171 checkWidget(); |
| 1172 Control [] children = _getChildren (); | |
| 1173 for (int i=0; i<children.length; i++) { | |
| 1174 Control child = children [i]; | |
| 1175 if (child.getVisible () && child.setFocus ()) return true; | |
| 1176 } | |
| 1177 return super.setFocus (); | |
| 1178 } | |
| 1179 | |
| 1180 /** | |
| 1181 * Sets the layout which is associated with the receiver to be | |
| 1182 * the argument which may be null. | |
| 1183 * | |
| 1184 * @param layout the receiver's new layout or null | |
| 1185 * | |
| 1186 * @exception SWTException <ul> | |
| 1187 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1188 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1189 * </ul> | |
| 1190 */ | |
| 1191 public void setLayout (Layout layout) { | |
| 1192 checkWidget(); | |
| 34 | 1193 this.layout_ = layout; |
| 30 | 1194 } |
| 1195 | |
| 1196 /** | |
| 1197 * If the argument is <code>true</code>, causes subsequent layout | |
| 1198 * operations in the receiver or any of its children to be ignored. | |
| 1199 * No layout of any kind can occur in the receiver or any of its | |
| 1200 * children until the flag is set to false. | |
| 1201 * Layout operations that occurred while the flag was | |
| 1202 * <code>true</code> are remembered and when the flag is set to | |
| 1203 * <code>false</code>, the layout operations are performed in an | |
| 1204 * optimized manner. Nested calls to this method are stacked. | |
| 1205 * | |
| 1206 * @param defer the new defer state | |
| 1207 * | |
| 1208 * @exception SWTException <ul> | |
| 1209 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1210 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1211 * </ul> | |
| 1212 * | |
| 34 | 1213 * @see #layout(bool) |
| 30 | 1214 * @see #layout(Control[]) |
| 1215 * | |
| 1216 * @since 3.1 | |
| 1217 */ | |
| 34 | 1218 public void setLayoutDeferred (bool defer) { |
| 30 | 1219 if (!defer) { |
| 34 | 1220 if (--layoutCount is 0) { |
| 1221 if ((state & LAYOUT_CHILD) !is 0 || (state & LAYOUT_NEEDED) !is 0) { | |
| 30 | 1222 updateLayout (true); |
| 1223 } | |
| 1224 } | |
| 1225 } else { | |
| 1226 layoutCount++; | |
| 1227 } | |
| 1228 } | |
| 1229 | |
| 34 | 1230 bool setScrollBarVisible (ScrollBar bar, bool visible) { |
| 1231 bool changed = super.setScrollBarVisible (bar, visible); | |
| 1232 if (changed && layout_ !is null) { | |
| 30 | 1233 markLayout (false, false); |
| 1234 updateLayout (false); | |
| 1235 } | |
| 1236 return changed; | |
| 1237 } | |
| 1238 | |
| 34 | 1239 bool setTabGroupFocus (bool next) { |
| 30 | 1240 if (isTabItem ()) return setTabItemFocus (next); |
| 34 | 1241 bool takeFocus = (style & SWT.NO_FOCUS) is 0; |
| 1242 if ((state & CANVAS) !is 0) takeFocus = hooksKeys (); | |
| 1243 if (socketHandle !is null) takeFocus = true; | |
| 30 | 1244 if (takeFocus && setTabItemFocus (next)) return true; |
| 1245 Control [] children = _getChildren (); | |
| 1246 for (int i=0; i<children.length; i++) { | |
| 1247 Control child = children [i]; | |
| 1248 if (child.isTabItem () && child.setTabItemFocus (next)) return true; | |
| 1249 } | |
| 1250 return false; | |
| 1251 } | |
| 1252 | |
| 34 | 1253 bool setTabItemFocus (bool next) { |
| 30 | 1254 if (!super.setTabItemFocus (next)) return false; |
| 34 | 1255 if (socketHandle !is null) { |
| 30 | 1256 int direction = next ? OS.GTK_DIR_TAB_FORWARD : OS.GTK_DIR_TAB_BACKWARD; |
| 1257 OS.GTK_WIDGET_UNSET_FLAGS (socketHandle, OS.GTK_HAS_FOCUS); | |
| 1258 OS.gtk_widget_child_focus (socketHandle, direction); | |
| 1259 OS.GTK_WIDGET_SET_FLAGS (socketHandle, OS.GTK_HAS_FOCUS); | |
| 1260 } | |
| 1261 return true; | |
| 1262 } | |
| 1263 | |
| 1264 /** | |
| 1265 * Sets the tabbing order for the specified controls to | |
| 1266 * match the order that they occur in the argument list. | |
| 1267 * | |
| 1268 * @param tabList the ordered list of controls representing the tab order or null | |
| 1269 * | |
| 1270 * @exception IllegalArgumentException <ul> | |
| 1271 * <li>ERROR_INVALID_ARGUMENT - if a widget in the tabList is null or has been disposed</li> | |
| 1272 * <li>ERROR_INVALID_PARENT - if widget in the tabList is not in the same widget tree</li> | |
| 1273 * </ul> | |
| 1274 * @exception SWTException <ul> | |
| 1275 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1276 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1277 * </ul> | |
| 1278 */ | |
| 1279 public void setTabList (Control [] tabList) { | |
| 1280 checkWidget (); | |
| 34 | 1281 if (tabList !is null) { |
| 30 | 1282 for (int i=0; i<tabList.length; i++) { |
| 1283 Control control = tabList [i]; | |
| 34 | 1284 if (control is null) error (SWT.ERROR_INVALID_ARGUMENT); |
| 30 | 1285 if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| 34 | 1286 if (control.parent !is this) error (SWT.ERROR_INVALID_PARENT); |
| 30 | 1287 } |
| 1288 Control [] newList = new Control [tabList.length]; | |
| 1289 System.arraycopy (tabList, 0, newList, 0, tabList.length); | |
| 1290 tabList = newList; | |
| 1291 } | |
| 1292 this.tabList = tabList; | |
| 1293 } | |
| 1294 | |
| 1295 void showWidget () { | |
| 1296 super.showWidget (); | |
| 34 | 1297 if (socketHandle !is null) { |
| 30 | 1298 OS.gtk_widget_show (socketHandle); |
| 34 | 1299 embeddedHandle = OS.gtk_socket_get_id (cast(GtkSocket*)socketHandle); |
| 30 | 1300 } |
| 34 | 1301 if (scrolledHandle is null) fixStyle (handle); |
| 30 | 1302 } |
| 1303 | |
| 34 | 1304 bool translateMnemonic (Event event, Control control) { |
| 30 | 1305 if (super.translateMnemonic (event, control)) return true; |
| 34 | 1306 if (control !is null) { |
| 30 | 1307 Control [] children = _getChildren (); |
| 1308 for (int i=0; i<children.length; i++) { | |
| 1309 Control child = children [i]; | |
| 1310 if (child.translateMnemonic (event, control)) return true; | |
| 1311 } | |
| 1312 } | |
| 1313 return false; | |
| 1314 } | |
| 1315 | |
| 34 | 1316 int traversalCode(int key, GdkEventKey* event) { |
| 1317 if ((state & CANVAS) !is 0) { | |
| 1318 if ((style & SWT.NO_FOCUS) !is 0) return 0; | |
| 30 | 1319 if (hooksKeys ()) return 0; |
| 1320 } | |
| 1321 return super.traversalCode (key, event); | |
| 1322 } | |
| 1323 | |
| 34 | 1324 bool translateTraversal (GdkEventKey* keyEvent) { |
| 1325 if (socketHandle !is null) return false; | |
| 30 | 1326 return super.translateTraversal (keyEvent); |
| 1327 } | |
| 1328 | |
| 1329 void updateBackgroundMode () { | |
| 1330 super.updateBackgroundMode (); | |
| 1331 Control [] children = _getChildren (); | |
| 1332 for (int i = 0; i < children.length; i++) { | |
| 1333 children [i].updateBackgroundMode (); | |
| 1334 } | |
| 1335 } | |
| 1336 | |
| 34 | 1337 void updateLayout (bool all) { |
| 30 | 1338 Composite parent = findDeferredControl (); |
| 34 | 1339 if (parent !is null) { |
| 30 | 1340 parent.state |= LAYOUT_CHILD; |
| 1341 return; | |
| 1342 } | |
| 34 | 1343 if ((state & LAYOUT_NEEDED) !is 0) { |
| 1344 bool changed = (state & LAYOUT_CHANGED) !is 0; | |
| 30 | 1345 state &= ~(LAYOUT_NEEDED | LAYOUT_CHANGED); |
| 34 | 1346 layout_.layout (this, changed); |
| 30 | 1347 } |
| 1348 if (all) { | |
| 1349 state &= ~LAYOUT_CHILD; | |
| 1350 Control [] children = _getChildren (); | |
| 1351 for (int i=0; i<children.length; i++) { | |
| 1352 children [i].updateLayout (all); | |
| 1353 } | |
| 1354 } | |
| 1355 } | |
| 1356 } |