Mercurial > projects > dwt2
annotate org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Control.d @ 113:fb3aa8075988
D2 support for the linux port.
| author | Jacob Carlborg <doob@me.com> |
|---|---|
| date | Wed, 06 Apr 2011 21:57:23 +0200 |
| parents | 65761bc28ab2 |
| 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.Control; | |
| 14 | |
| 15 import java.lang.all; | |
| 16 | |
| 17 | |
| 18 import org.eclipse.swt.SWT; | |
| 19 //import org.eclipse.swt.accessibility.Accessible; | |
| 20 import org.eclipse.swt.events.ControlListener; | |
| 21 import org.eclipse.swt.events.FocusListener; | |
| 22 import org.eclipse.swt.events.HelpListener; | |
| 23 import org.eclipse.swt.events.KeyListener; | |
| 24 import org.eclipse.swt.events.MouseListener; | |
| 25 import org.eclipse.swt.events.MouseMoveListener; | |
| 26 import org.eclipse.swt.events.MouseTrackListener; | |
| 27 import org.eclipse.swt.events.PaintListener; | |
| 28 import org.eclipse.swt.events.TraverseListener; | |
| 29 import org.eclipse.swt.events.DragDetectListener; | |
| 30 import org.eclipse.swt.events.MenuDetectListener; | |
| 31 import org.eclipse.swt.events.MouseWheelListener; | |
| 32 import org.eclipse.swt.graphics.Color; | |
| 33 import org.eclipse.swt.graphics.Cursor; | |
| 34 import org.eclipse.swt.graphics.Device; | |
| 35 import org.eclipse.swt.graphics.Drawable; | |
| 36 import org.eclipse.swt.graphics.Font; | |
| 37 import org.eclipse.swt.graphics.GC; | |
| 38 import org.eclipse.swt.graphics.GCData; | |
| 39 import org.eclipse.swt.graphics.Image; | |
| 40 import org.eclipse.swt.graphics.Point; | |
| 41 import org.eclipse.swt.graphics.Rectangle; | |
| 42 import org.eclipse.swt.graphics.Region; | |
| 43 import org.eclipse.swt.internal.Converter; | |
| 44 import org.eclipse.swt.internal.SWTEventListener; | |
| 45 import org.eclipse.swt.internal.accessibility.gtk.ATK; | |
| 46 import org.eclipse.swt.internal.gtk.OS; | |
| 47 import org.eclipse.swt.widgets.Composite; | |
| 48 import org.eclipse.swt.widgets.Decorations; | |
| 49 import org.eclipse.swt.widgets.Display; | |
| 50 import org.eclipse.swt.widgets.Event; | |
| 51 import org.eclipse.swt.widgets.Listener; | |
| 52 import org.eclipse.swt.widgets.Menu; | |
| 53 import org.eclipse.swt.widgets.Monitor; | |
| 54 import org.eclipse.swt.widgets.Shell; | |
| 55 import org.eclipse.swt.widgets.TypedListener; | |
| 56 import org.eclipse.swt.widgets.Widget; | |
| 57 import org.eclipse.swt.accessibility.Accessible; | |
| 58 | |
|
47
65761bc28ab2
swt linux again compilable for d1.
Frank Benoit <benoit@tionex.de>
parents:
25
diff
changeset
|
59 import java.lang.Thread; |
| 25 | 60 |
| 61 | |
| 62 /** | |
| 63 * Control is the abstract superclass of all windowed user interface classes. | |
| 64 * <p> | |
| 65 * <dl> | |
| 66 * <dt><b>Styles:</b> | |
| 67 * <dd>BORDER</dd> | |
| 68 * <dd>LEFT_TO_RIGHT, RIGHT_TO_LEFT</dd> | |
| 69 * <dt><b>Events:</b> | |
| 70 * <dd>DragDetect, FocusIn, FocusOut, Help, KeyDown, KeyUp, MenuDetect, MouseDoubleClick, MouseDown, MouseEnter, | |
| 71 * MouseExit, MouseHover, MouseUp, MouseMove, Move, Paint, Resize, Traverse</dd> | |
| 72 * </dl> | |
| 73 * </p><p> | |
| 74 * Only one of LEFT_TO_RIGHT or RIGHT_TO_LEFT may be specified. | |
| 75 * </p><p> | |
| 76 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 77 * within the SWT implementation. | |
| 78 * </p> | |
| 79 * | |
| 80 * @see <a href="http://www.eclipse.org/swt/snippets/#control">Control snippets</a> | |
| 81 * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a> | |
| 82 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 83 */ | |
| 84 public abstract class Control : Widget, Drawable { | |
| 85 | |
| 86 alias Widget.mnemonicHit mnemonicHit; | |
| 87 alias Widget.mnemonicMatch mnemonicMatch; | |
| 88 alias Widget.setForegroundColor setForegroundColor; | |
| 89 alias Widget.translateTraversal translateTraversal; | |
| 90 alias Widget.windowProc windowProc; | |
| 91 | |
| 92 GtkWidget* fixedHandle; | |
| 93 GdkWindow* redrawWindow; | |
| 94 GdkWindow* enableWindow; | |
| 95 int drawCount; | |
| 96 Composite parent; | |
| 97 Cursor cursor; | |
| 98 Menu menu; | |
| 99 Image backgroundImage; | |
| 100 Font font; | |
| 101 Region region; | |
| 102 String toolTipText; | |
| 103 Object layoutData; | |
| 104 Accessible accessible; | |
| 105 | |
| 106 this () { | |
| 107 } | |
| 108 | |
| 109 /** | |
| 110 * Constructs a new instance of this class given its parent | |
| 111 * and a style value describing its behavior and appearance. | |
| 112 * <p> | |
| 113 * The style value is either one of the style constants defined in | |
| 114 * class <code>SWT</code> which is applicable to instances of this | |
| 115 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 116 * (that is, using the <code>int</code> "|" operator) two or more | |
| 117 * of those <code>SWT</code> style constants. The class description | |
| 118 * lists the style constants that are applicable to the class. | |
| 119 * Style bits are also inherited from superclasses. | |
| 120 * </p> | |
| 121 * | |
| 122 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 123 * @param style the style of control to construct | |
| 124 * | |
| 125 * @exception IllegalArgumentException <ul> | |
| 126 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 127 * </ul> | |
| 128 * @exception SWTException <ul> | |
| 129 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 130 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 131 * </ul> | |
| 132 * | |
| 133 * @see SWT#BORDER | |
| 134 * @see Widget#checkSubclass | |
| 135 * @see Widget#getStyle | |
| 136 */ | |
| 137 public this (Composite parent, int style) { | |
| 138 super (parent, style); | |
| 139 this.parent = parent; | |
| 140 createWidget (0); | |
| 141 } | |
| 142 | |
| 143 Font defaultFont () { | |
| 144 return display.getSystemFont (); | |
| 145 } | |
| 146 | |
| 147 override void deregister () { | |
| 148 super.deregister (); | |
| 149 if (fixedHandle !is null) display.removeWidget (fixedHandle); | |
| 150 auto imHandle = imHandle (); | |
| 151 if (imHandle !is null) display.removeWidget (cast(GtkWidget*)imHandle); | |
| 152 } | |
| 153 | |
| 154 bool drawGripper (int x, int y, int width, int height, bool vertical) { | |
| 155 auto paintHandle = paintHandle (); | |
| 156 auto window = OS.GTK_WIDGET_WINDOW (paintHandle); | |
| 157 if (window is null) return false; | |
| 158 int orientation = vertical ? OS.GTK_ORIENTATION_HORIZONTAL : OS.GTK_ORIENTATION_VERTICAL; | |
| 159 if ((style & SWT.MIRRORED) !is 0) x = getClientWidth () - width - x; | |
| 160 char dummy; | |
| 161 OS.gtk_paint_handle (OS.gtk_widget_get_style (paintHandle), window, OS.GTK_STATE_NORMAL, OS.GTK_SHADOW_OUT, null, paintHandle, &dummy, x, y, width, height, orientation); | |
| 162 return true; | |
| 163 } | |
| 164 | |
| 165 void enableWidget (bool enabled) { | |
| 166 OS.gtk_widget_set_sensitive (handle, enabled); | |
| 167 } | |
| 168 | |
| 169 GtkWidget* enterExitHandle () { | |
| 170 return eventHandle (); | |
| 171 } | |
| 172 | |
| 173 GtkWidget* eventHandle () { | |
| 174 return handle; | |
| 175 } | |
| 176 | |
| 177 GdkWindow* eventWindow () { | |
| 178 auto eventHandle = eventHandle (); | |
| 179 OS.gtk_widget_realize (eventHandle); | |
| 180 return OS.GTK_WIDGET_WINDOW (eventHandle); | |
| 181 } | |
| 182 | |
| 183 void fixFocus (Control focusControl) { | |
| 184 Shell shell = getShell (); | |
| 185 Control control = this; | |
| 186 while (control !is shell && (control = control.parent) !is null) { | |
| 187 if (control.setFocus ()) return; | |
| 188 } | |
| 189 shell.setSavedFocus (focusControl); | |
| 190 auto focusHandle_ = shell.vboxHandle; | |
| 191 OS.GTK_WIDGET_SET_FLAGS (focusHandle_, OS.GTK_CAN_FOCUS); | |
| 192 OS.gtk_widget_grab_focus (focusHandle_); | |
| 193 OS.GTK_WIDGET_UNSET_FLAGS (focusHandle_, OS.GTK_CAN_FOCUS); | |
| 194 } | |
| 195 | |
| 196 public void fixStyle () { | |
| 197 if (fixedHandle !is null) fixStyle (fixedHandle); | |
| 198 } | |
| 199 | |
| 200 void fixStyle (GtkWidget* handle) { | |
| 201 /* | |
| 202 * Feature in GTK. Some GTK themes apply a different background to | |
| 203 * the contents of a GtkNotebook. However, in an SWT TabFolder, the | |
| 204 * children are not parented below the GtkNotebook widget, and usually | |
| 205 * have their own GtkFixed. The fix is to look up the correct style | |
| 206 * for a child of a GtkNotebook and apply its background to any GtkFixed | |
| 207 * widgets that are direct children of an SWT TabFolder. | |
| 208 * | |
| 209 * Note that this has to be when the theme settings changes and that it | |
| 210 * should not override the application background. | |
| 211 */ | |
| 212 if ((state & BACKGROUND) !is 0) return; | |
| 213 auto childStyle = parent.childStyle (); | |
| 214 if (childStyle !is null) { | |
| 215 GdkColor color; | |
| 216 OS.gtk_style_get_bg (childStyle, 0, &color); | |
| 217 OS.gtk_widget_modify_bg (handle, 0, &color); | |
| 218 } | |
| 219 } | |
| 220 | |
| 221 GtkWidget* focusHandle () { | |
| 222 return handle; | |
| 223 } | |
| 224 | |
| 225 GtkWidget* fontHandle () { | |
| 226 return handle; | |
| 227 } | |
| 228 | |
| 229 bool hasFocus () { | |
| 230 return this is display.getFocusControl(); | |
| 231 } | |
| 232 | |
| 233 override void hookEvents () { | |
| 234 /* Connect the keyboard signals */ | |
| 235 auto focusHandle_ = focusHandle (); | |
| 236 int focusMask = OS.GDK_KEY_PRESS_MASK | OS.GDK_KEY_RELEASE_MASK | OS.GDK_FOCUS_CHANGE_MASK; | |
| 237 OS.gtk_widget_add_events (focusHandle_, focusMask); | |
| 238 OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [POPUP_MENU], 0, display.closures [POPUP_MENU], false); | |
| 239 OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [SHOW_HELP], 0, display.closures [SHOW_HELP], false); | |
| 240 OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [KEY_PRESS_EVENT], 0, display.closures [KEY_PRESS_EVENT], false); | |
| 241 OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [KEY_RELEASE_EVENT], 0, display.closures [KEY_RELEASE_EVENT], false); | |
| 242 OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [FOCUS], 0, display.closures [FOCUS], false); | |
| 243 OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [FOCUS_IN_EVENT], 0, display.closures [FOCUS_IN_EVENT], false); | |
| 244 OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [FOCUS_OUT_EVENT], 0, display.closures [FOCUS_OUT_EVENT], false); | |
| 245 | |
| 246 /* Connect the mouse signals */ | |
| 247 auto eventHandle = eventHandle (); | |
| 248 int eventMask = OS.GDK_POINTER_MOTION_MASK | OS.GDK_BUTTON_PRESS_MASK | OS.GDK_BUTTON_RELEASE_MASK; | |
| 249 OS.gtk_widget_add_events (eventHandle, eventMask); | |
| 250 OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [BUTTON_PRESS_EVENT], 0, display.closures [BUTTON_PRESS_EVENT], false); | |
| 251 OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [BUTTON_RELEASE_EVENT], 0, display.closures [BUTTON_RELEASE_EVENT], false); | |
| 252 OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [MOTION_NOTIFY_EVENT], 0, display.closures [MOTION_NOTIFY_EVENT], false); | |
| 253 OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [SCROLL_EVENT], 0, display.closures [SCROLL_EVENT], false); | |
| 254 | |
| 255 /* Connect enter/exit signals */ | |
| 256 auto enterExitHandle = enterExitHandle (); | |
| 257 int enterExitMask = OS.GDK_ENTER_NOTIFY_MASK | OS.GDK_LEAVE_NOTIFY_MASK; | |
| 258 OS.gtk_widget_add_events (enterExitHandle, enterExitMask); | |
| 259 OS.g_signal_connect_closure_by_id (enterExitHandle, display.signalIds [ENTER_NOTIFY_EVENT], 0, display.closures [ENTER_NOTIFY_EVENT], false); | |
| 260 OS.g_signal_connect_closure_by_id (enterExitHandle, display.signalIds [LEAVE_NOTIFY_EVENT], 0, display.closures [LEAVE_NOTIFY_EVENT], false); | |
| 261 | |
| 262 /* | |
| 263 * Feature in GTK. Events such as mouse move are propagate up | |
| 264 * the widget hierarchy and are seen by the parent. This is the | |
| 265 * correct GTK behavior but not correct for SWT. The fix is to | |
| 266 * hook a signal after and stop the propagation using a negative | |
| 267 * event number to distinguish this case. | |
| 268 * | |
| 269 * The signal is hooked to the fixedHandle to catch events sent to | |
| 270 * lightweight widgets. | |
| 271 */ | |
| 272 auto blockHandle = fixedHandle !is null ? fixedHandle : eventHandle; | |
| 273 OS.g_signal_connect_closure_by_id (blockHandle, display.signalIds [BUTTON_PRESS_EVENT], 0, display.closures [BUTTON_PRESS_EVENT_INVERSE], true); | |
| 274 OS.g_signal_connect_closure_by_id (blockHandle, display.signalIds [BUTTON_RELEASE_EVENT], 0, display.closures [BUTTON_RELEASE_EVENT_INVERSE], true); | |
| 275 OS.g_signal_connect_closure_by_id (blockHandle, display.signalIds [MOTION_NOTIFY_EVENT], 0, display.closures [MOTION_NOTIFY_EVENT_INVERSE], true); | |
| 276 | |
| 277 /* Connect the event_after signal for both key and mouse */ | |
| 278 OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [EVENT_AFTER], 0, display.closures [EVENT_AFTER], false); | |
| 279 if (focusHandle_ !is eventHandle) { | |
| 280 OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [EVENT_AFTER], 0, display.closures [EVENT_AFTER], false); | |
| 281 } | |
| 282 | |
| 283 /* Connect the paint signal */ | |
| 284 auto paintHandle = paintHandle (); | |
| 285 int paintMask = OS.GDK_EXPOSURE_MASK | OS.GDK_VISIBILITY_NOTIFY_MASK; | |
| 286 OS.gtk_widget_add_events (paintHandle, paintMask); | |
| 287 OS.g_signal_connect_closure_by_id (paintHandle, display.signalIds [EXPOSE_EVENT], 0, display.closures [EXPOSE_EVENT_INVERSE], false); | |
| 288 OS.g_signal_connect_closure_by_id (paintHandle, display.signalIds [VISIBILITY_NOTIFY_EVENT], 0, display.closures [VISIBILITY_NOTIFY_EVENT], false); | |
| 289 OS.g_signal_connect_closure_by_id (paintHandle, display.signalIds [EXPOSE_EVENT], 0, display.closures [EXPOSE_EVENT], true); | |
| 290 | |
| 291 /* Connect the Input Method signals */ | |
| 292 OS.g_signal_connect_closure_by_id (handle, display.signalIds [REALIZE], 0, display.closures [REALIZE], true); | |
| 293 OS.g_signal_connect_closure_by_id (handle, display.signalIds [UNREALIZE], 0, display.closures [UNREALIZE], false); | |
| 294 auto imHandle = imHandle (); | |
| 295 if (imHandle !is null) { | |
| 296 OS.g_signal_connect_closure (imHandle, OS.commit.ptr, display.closures [COMMIT], false); | |
| 297 OS.g_signal_connect_closure (imHandle, OS.preedit_changed.ptr, display.closures [PREEDIT_CHANGED], false); | |
| 298 } | |
| 299 | |
| 300 OS.g_signal_connect_closure_by_id (paintHandle, display.signalIds [STYLE_SET], 0, display.closures [STYLE_SET], false); | |
| 301 | |
| 302 auto topHandle_ = topHandle (); | |
| 303 OS.g_signal_connect_closure_by_id (topHandle_, display.signalIds [MAP], 0, display.closures [MAP], true); | |
| 304 } | |
| 305 | |
| 306 override int /*long*/ hoverProc (GtkWidget* widget) { | |
| 307 int x, y; | |
| 308 int mask; | |
| 309 OS.gdk_window_get_pointer (null, &x, &y, &mask); | |
| 310 sendMouseEvent (SWT.MouseHover, 0, /*time*/0, x , y , false, mask ); | |
| 311 /* Always return zero in order to cancel the hover timer */ | |
| 312 return 0; | |
| 313 } | |
| 314 | |
| 315 override GtkWidget* topHandle() { | |
| 316 if (fixedHandle !is null) return fixedHandle; | |
| 317 return super.topHandle (); | |
| 318 } | |
| 319 | |
| 320 GtkWidget* paintHandle () { | |
| 321 auto topHandle_ = topHandle (); | |
| 322 auto paintHandle = handle; | |
| 323 while (paintHandle !is topHandle_) { | |
| 324 if ((OS.GTK_WIDGET_FLAGS (paintHandle) & OS.GTK_NO_WINDOW) is 0) break; | |
| 325 paintHandle = OS.gtk_widget_get_parent (paintHandle); | |
| 326 } | |
| 327 return paintHandle; | |
| 328 } | |
| 329 | |
| 330 override GdkWindow* paintWindow () { | |
| 331 auto paintHandle = paintHandle (); | |
| 332 OS.gtk_widget_realize (paintHandle); | |
| 333 return OS.GTK_WIDGET_WINDOW (paintHandle); | |
| 334 } | |
| 335 | |
| 336 /** | |
| 337 * Prints the receiver and all children. | |
| 338 * | |
| 339 * @param gc the gc where the drawing occurs | |
| 340 * @return <code>true</code> if the operation was successful and <code>false</code> otherwise | |
| 341 * | |
| 342 * @exception IllegalArgumentException <ul> | |
| 343 * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> | |
| 344 * <li>ERROR_INVALID_ARGUMENT - if the gc has been disposed</li> | |
| 345 * </ul> | |
| 346 * @exception SWTException <ul> | |
| 347 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 348 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 349 * </ul> | |
| 350 * | |
| 351 * @since 3.4 | |
| 352 */ | |
| 353 public bool print (GC gc) { | |
| 354 checkWidget (); | |
| 355 if (gc is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 356 if (gc.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); | |
| 357 auto topHandle_ = topHandle (); | |
| 358 OS.gtk_widget_realize (topHandle_); | |
| 359 auto window = OS.GTK_WIDGET_WINDOW (topHandle_); | |
| 360 GCData data = gc.getGCData (); | |
| 361 OS.gdk_window_process_updates (window, cast(int)true); | |
| 362 printWidget (gc, data.drawable, OS.gdk_drawable_get_depth (data.drawable), 0, 0); | |
| 363 return true; | |
| 364 } | |
| 365 | |
| 366 void printWidget (GC gc, GdkDrawable* drawable, int depth, int x, int y) { | |
| 367 bool obscured = (state & OBSCURED) !is 0; | |
| 368 state &= ~OBSCURED; | |
| 369 auto topHandle_ = topHandle (); | |
| 370 auto window = OS.GTK_WIDGET_WINDOW (topHandle_); | |
| 371 printWindow (true, this, gc.handle, drawable, depth, window, x, y); | |
| 372 if (obscured) state |= OBSCURED; | |
| 373 } | |
| 374 | |
| 375 void printWindow (bool first, Control control, GdkGC* gc, GdkDrawable* drawable, int depth, GdkDrawable* window, int x, int y) { | |
| 376 if (OS.gdk_drawable_get_depth (window) !is depth) return; | |
| 377 GdkRectangle rect; | |
| 378 int width, height; | |
| 379 OS.gdk_drawable_get_size (window, &width, &height); | |
| 380 rect.width = width; | |
| 381 rect.height = height; | |
| 382 OS.gdk_window_begin_paint_rect (window, &rect); | |
| 383 GdkDrawable* real_drawable; | |
| 384 int x_offset, y_offset; | |
| 385 OS.gdk_window_get_internal_paint_info (window, &real_drawable, &x_offset, &y_offset); | |
| 386 void* userData; | |
| 387 OS.gdk_window_get_user_data (window, &userData); | |
| 388 if (userData !is null) { | |
| 389 GdkEventExpose* event = cast(GdkEventExpose*) OS.gdk_event_new (OS.GDK_EXPOSE); | |
| 390 event.type = OS.GDK_EXPOSE; | |
| 391 event.window = cast(GdkDrawable*)OS.g_object_ref (window); | |
| 392 event.area.width = rect.width; | |
| 393 event.area.height = rect.height; | |
| 394 event.region = OS.gdk_region_rectangle (&rect); | |
| 395 OS.gtk_widget_send_expose (userData, cast(GdkEvent*)event); | |
| 396 OS.gdk_event_free (cast(GdkEvent*)event); | |
| 397 } | |
| 398 int srcX = x_offset, srcY = y_offset; | |
| 399 int destX = x, destY = y, destWidth = width, destHeight = height; | |
| 400 if (!first) { | |
| 401 int cX, cY; | |
| 402 OS.gdk_window_get_position (window, &cX, &cY); | |
| 403 auto parentWindow = OS.gdk_window_get_parent (window); | |
| 404 int pW, pH; | |
| 405 OS.gdk_drawable_get_size (parentWindow, &pW, &pH); | |
| 406 srcX = x_offset - cX; | |
| 407 srcY = y_offset - cY; | |
| 408 destX = x - cX; | |
| 409 destY = y - cY; | |
| 410 destWidth = Math.min (cX + width, pW); | |
| 411 destHeight = Math.min (cY + height, pH); | |
| 412 } | |
| 413 OS.gdk_draw_drawable (drawable, gc, real_drawable, srcX, srcY, destX, destY, destWidth, destHeight); | |
| 414 OS.gdk_window_end_paint (window); | |
| 415 auto children = OS.gdk_window_get_children (window); | |
| 416 if (children !is null) { | |
| 417 auto windows = children; | |
| 418 while (windows !is null) { | |
| 419 auto child = cast(GdkDrawable*) OS.g_list_data (windows); | |
| 420 if (OS.gdk_window_is_visible (child)) { | |
| 421 void* data; | |
| 422 OS.gdk_window_get_user_data (child, &data); | |
| 423 if (data !is null) { | |
| 424 Widget widget = display.findWidget ( cast(GtkWidget*) data); | |
| 425 if (widget is null || widget is control) { | |
| 426 int x_pos, y_pos; | |
| 427 OS.gdk_window_get_position (child, &x_pos, &y_pos); | |
| 428 printWindow (false, control, gc, drawable, depth, child, x + x_pos, y + y_pos); | |
| 429 } | |
| 430 } | |
| 431 } | |
| 432 windows = OS.g_list_next (windows); | |
| 433 } | |
| 434 OS.g_list_free (children); | |
| 435 } | |
| 436 } | |
| 437 | |
| 438 /** | |
| 439 * Returns the preferred size of the receiver. | |
| 440 * <p> | |
| 441 * The <em>preferred size</em> of a control is the size that it would | |
| 442 * best be displayed at. The width hint and height hint arguments | |
| 443 * allow the caller to ask a control questions such as "Given a particular | |
| 444 * width, how high does the control need to be to show all of the contents?" | |
| 445 * To indicate that the caller does not wish to constrain a particular | |
| 446 * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. | |
| 447 * </p> | |
| 448 * | |
| 449 * @param wHint the width hint (can be <code>SWT.DEFAULT</code>) | |
| 450 * @param hHint the height hint (can be <code>SWT.DEFAULT</code>) | |
| 451 * @return the preferred size of the control | |
| 452 * | |
| 453 * @exception SWTException <ul> | |
| 454 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 455 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 456 * </ul> | |
| 457 * | |
| 458 * @see Layout | |
| 459 * @see #getBorderWidth | |
| 460 * @see #getBounds | |
| 461 * @see #getSize | |
| 462 * @see #pack(bool) | |
| 463 * @see "computeTrim, getClientArea for controls that implement them" | |
| 464 */ | |
| 465 public Point computeSize (int wHint, int hHint) { | |
| 466 return computeSize (wHint, hHint, true); | |
| 467 } | |
| 468 | |
| 469 Control computeTabGroup () { | |
| 470 if (isTabGroup()) return this; | |
| 471 return parent.computeTabGroup (); | |
| 472 } | |
| 473 | |
| 474 Control[] computeTabList() { | |
| 475 if (isTabGroup()) { | |
| 476 if (getVisible() && getEnabled()) { | |
| 477 return [this]; | |
| 478 } | |
| 479 } | |
| 480 return new Control[0]; | |
| 481 } | |
| 482 | |
| 483 Control computeTabRoot () { | |
| 484 Control[] tabList = parent._getTabList(); | |
| 485 if (tabList !is null) { | |
| 486 int index = 0; | |
| 487 while (index < tabList.length) { | |
| 488 if (tabList [index] is this) break; | |
| 489 index++; | |
| 490 } | |
| 491 if (index is tabList.length) { | |
| 492 if (isTabGroup ()) return this; | |
| 493 } | |
| 494 } | |
| 495 return parent.computeTabRoot (); | |
| 496 } | |
| 497 | |
| 498 void checkBuffered () { | |
| 499 style |= SWT.DOUBLE_BUFFERED; | |
| 500 } | |
| 501 | |
| 502 void checkBackground () { | |
| 503 Shell shell = getShell (); | |
| 504 if (this is shell) return; | |
| 505 state &= ~PARENT_BACKGROUND; | |
| 506 Composite composite = parent; | |
| 507 do { | |
| 508 int mode = composite.backgroundMode; | |
| 509 if (mode !is SWT.INHERIT_NONE) { | |
| 510 if (mode is SWT.INHERIT_DEFAULT) { | |
| 511 Control control = this; | |
| 512 do { | |
| 513 if ((control.state & THEME_BACKGROUND) is 0) { | |
| 514 return; | |
| 515 } | |
| 516 control = control.parent; | |
| 517 } while (control !is composite); | |
| 518 } | |
| 519 state |= PARENT_BACKGROUND; | |
| 520 return; | |
| 521 } | |
| 522 if (composite is shell) break; | |
| 523 composite = composite.parent; | |
| 524 } while (true); | |
| 525 } | |
| 526 | |
| 527 void checkBorder () { | |
| 528 if (getBorderWidth () is 0) style &= ~SWT.BORDER; | |
| 529 } | |
| 530 | |
| 531 void checkMirrored () { | |
| 532 if ((style & SWT.RIGHT_TO_LEFT) !is 0) style |= SWT.MIRRORED; | |
| 533 } | |
| 534 | |
| 535 GtkStyle* childStyle () { | |
| 536 return parent.childStyle (); | |
| 537 } | |
| 538 | |
| 539 override void createWidget (int index) { | |
| 540 state |= DRAG_DETECT; | |
| 541 checkOrientation (parent); | |
| 542 super.createWidget (index); | |
| 543 checkBackground (); | |
| 544 if ((state & PARENT_BACKGROUND) !is 0) setBackground (); | |
| 545 checkBuffered (); | |
| 546 showWidget (); | |
| 547 setInitialBounds (); | |
| 548 setZOrder (null, false, false); | |
| 549 setRelations (); | |
| 550 checkMirrored (); | |
| 551 checkBorder (); | |
| 552 } | |
| 553 | |
| 554 /** | |
| 555 * Returns the preferred size of the receiver. | |
| 556 * <p> | |
| 557 * The <em>preferred size</em> of a control is the size that it would | |
| 558 * best be displayed at. The width hint and height hint arguments | |
| 559 * allow the caller to ask a control questions such as "Given a particular | |
| 560 * width, how high does the control need to be to show all of the contents?" | |
| 561 * To indicate that the caller does not wish to constrain a particular | |
| 562 * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. | |
| 563 * </p><p> | |
| 564 * If the changed flag is <code>true</code>, it indicates that the receiver's | |
| 565 * <em>contents</em> have changed, therefore any caches that a layout manager | |
| 566 * containing the control may have been keeping need to be flushed. When the | |
| 567 * control is resized, the changed flag will be <code>false</code>, so layout | |
| 568 * manager caches can be retained. | |
| 569 * </p> | |
| 570 * | |
| 571 * @param wHint the width hint (can be <code>SWT.DEFAULT</code>) | |
| 572 * @param hHint the height hint (can be <code>SWT.DEFAULT</code>) | |
| 573 * @param changed <code>true</code> if the control's contents have changed, and <code>false</code> otherwise | |
| 574 * @return the preferred size of the control. | |
| 575 * | |
| 576 * @exception SWTException <ul> | |
| 577 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 578 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 579 * </ul> | |
| 580 * | |
| 581 * @see Layout | |
| 582 * @see #getBorderWidth | |
| 583 * @see #getBounds | |
| 584 * @see #getSize | |
| 585 * @see #pack(bool) | |
| 586 * @see "computeTrim, getClientArea for controls that implement them" | |
| 587 */ | |
| 588 public Point computeSize (int wHint, int hHint, bool changed) { | |
| 589 checkWidget(); | |
| 590 if (wHint !is SWT.DEFAULT && wHint < 0) wHint = 0; | |
| 591 if (hHint !is SWT.DEFAULT && hHint < 0) hHint = 0; | |
| 592 return computeNativeSize (handle, wHint, hHint, changed); | |
| 593 } | |
| 594 | |
| 595 Point computeNativeSize (GtkWidget* h, int wHint, int hHint, bool changed) { | |
| 596 int width = wHint, height = hHint; | |
| 597 if (wHint is SWT.DEFAULT && hHint is SWT.DEFAULT) { | |
| 598 GtkRequisition requisition; | |
| 599 gtk_widget_size_request (h, &requisition); | |
| 600 width = OS.GTK_WIDGET_REQUISITION_WIDTH (h); | |
| 601 height = OS.GTK_WIDGET_REQUISITION_HEIGHT (h); | |
| 602 } else if (wHint is SWT.DEFAULT || hHint is SWT.DEFAULT) { | |
| 603 int reqWidth, reqHeight; | |
| 604 OS.gtk_widget_get_size_request (h, &reqWidth, &reqHeight); | |
| 605 OS.gtk_widget_set_size_request (h, wHint, hHint); | |
| 606 GtkRequisition requisition; | |
| 607 gtk_widget_size_request (h, &requisition); | |
| 608 OS.gtk_widget_set_size_request (h, reqWidth, reqHeight); | |
| 609 width = wHint is SWT.DEFAULT ? requisition.width : wHint; | |
| 610 height = hHint is SWT.DEFAULT ? requisition.height : hHint; | |
| 611 } | |
| 612 return new Point (width, height); | |
| 613 } | |
| 614 | |
| 615 void forceResize () { | |
| 616 /* | |
| 617 * Force size allocation on all children of this widget's | |
| 618 * topHandle. Note that all calls to gtk_widget_size_allocate() | |
| 619 * must be preceded by a call to gtk_widget_size_request(). | |
| 620 */ | |
| 621 auto topHandle_ = topHandle (); | |
| 622 GtkRequisition requisition; | |
| 623 gtk_widget_size_request (topHandle_, &requisition); | |
| 624 GtkAllocation allocation; | |
| 625 allocation.x = OS.GTK_WIDGET_X (topHandle_); | |
| 626 allocation.y = OS.GTK_WIDGET_Y (topHandle_); | |
| 627 allocation.width = OS.GTK_WIDGET_WIDTH (topHandle_); | |
| 628 allocation.height = OS.GTK_WIDGET_HEIGHT (topHandle_); | |
| 629 OS.gtk_widget_size_allocate (topHandle_, &allocation); | |
| 630 } | |
| 631 | |
| 632 /** | |
| 633 * Returns the accessible object for the receiver. | |
| 634 * If this is the first time this object is requested, | |
| 635 * then the object is created and returned. | |
| 636 * | |
| 637 * @return the accessible object | |
| 638 * | |
| 639 * @exception SWTException <ul> | |
| 640 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 641 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 642 * </ul> | |
| 643 * | |
| 644 * @see Accessible#addAccessibleListener | |
| 645 * @see Accessible#addAccessibleControlListener | |
| 646 * | |
| 647 * @since 2.0 | |
| 648 */ | |
| 649 public Accessible getAccessible () { | |
| 650 checkWidget (); | |
| 651 if (accessible is null) { | |
| 652 accessible = Accessible.internal_new_Accessible (this); | |
| 653 } | |
| 654 return accessible; | |
| 655 } | |
| 656 | |
| 657 /** | |
| 658 * Returns a rectangle describing the receiver's size and location | |
| 659 * relative to its parent (or its display if its parent is null), | |
| 660 * unless the receiver is a shell. In this case, the location is | |
| 661 * relative to the display. | |
| 662 * | |
| 663 * @return the receiver's bounding rectangle | |
| 664 * | |
| 665 * @exception SWTException <ul> | |
| 666 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 667 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 668 * </ul> | |
| 669 */ | |
| 670 public Rectangle getBounds () { | |
| 671 checkWidget(); | |
| 672 auto topHandle_ = topHandle (); | |
| 673 int x = OS.GTK_WIDGET_X (topHandle_); | |
| 674 int y = OS.GTK_WIDGET_Y (topHandle_); | |
| 675 int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); | |
| 676 int height = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (topHandle_); | |
| 677 if ((parent.style & SWT.MIRRORED) !is 0) x = parent.getClientWidth () - width - x; | |
| 678 return new Rectangle (x, y, width, height); | |
| 679 } | |
| 680 | |
| 681 /** | |
| 682 * Sets the receiver's size and location to the rectangular | |
| 683 * area specified by the argument. The <code>x</code> and | |
| 684 * <code>y</code> fields of the rectangle are relative to | |
| 685 * the receiver's parent (or its display if its parent is null). | |
| 686 * <p> | |
| 687 * Note: Attempting to set the width or height of the | |
| 688 * receiver to a negative number will cause that | |
| 689 * value to be set to zero instead. | |
| 690 * </p> | |
| 691 * | |
| 692 * @param rect the new bounds for the receiver | |
| 693 * | |
| 694 * @exception SWTException <ul> | |
| 695 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 696 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 697 * </ul> | |
| 698 */ | |
| 699 public void setBounds (Rectangle rect) { | |
| 700 checkWidget (); | |
| 701 if (rect is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 702 setBounds (rect.x, rect.y, Math.max (0, rect.width), Math.max (0, rect.height), true, true); | |
| 703 } | |
| 704 | |
| 705 /** | |
| 706 * Sets the receiver's size and location to the rectangular | |
| 707 * area specified by the arguments. The <code>x</code> and | |
| 708 * <code>y</code> arguments are relative to the receiver's | |
| 709 * parent (or its display if its parent is null), unless | |
| 710 * the receiver is a shell. In this case, the <code>x</code> | |
| 711 * and <code>y</code> arguments are relative to the display. | |
| 712 * <p> | |
| 713 * Note: Attempting to set the width or height of the | |
| 714 * receiver to a negative number will cause that | |
| 715 * value to be set to zero instead. | |
| 716 * </p> | |
| 717 * | |
| 718 * @param x the new x coordinate for the receiver | |
| 719 * @param y the new y coordinate for the receiver | |
| 720 * @param width the new width for the receiver | |
| 721 * @param height the new height for the receiver | |
| 722 * | |
| 723 * @exception SWTException <ul> | |
| 724 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 725 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 726 * </ul> | |
| 727 */ | |
| 728 public void setBounds (int x, int y, int width, int height) { | |
| 729 checkWidget(); | |
| 730 setBounds (x, y, Math.max (0, width), Math.max (0, height), true, true); | |
| 731 } | |
| 732 | |
| 733 void markLayout (bool changed, bool all) { | |
| 734 /* Do nothing */ | |
| 735 } | |
| 736 | |
| 737 override void modifyStyle (GtkWidget* handle, GtkRcStyle* style) { | |
| 738 super.modifyStyle(handle, style); | |
| 739 /* | |
| 740 * Bug in GTK. When changing the style of a control that | |
| 741 * has had a region set on it, the region is lost. The | |
| 742 * fix is to set the region again. | |
| 743 */ | |
| 744 if (region !is null) OS.gdk_window_shape_combine_region (OS.GTK_WIDGET_WINDOW (topHandle ()), region.handle, 0, 0); | |
| 745 } | |
| 746 | |
| 747 void moveHandle (int x, int y) { | |
| 748 auto topHandle_ = topHandle (); | |
| 749 auto parentHandle = parent.parentingHandle (); | |
| 750 /* | |
| 751 * Feature in GTK. Calling gtk_fixed_move() to move a child causes | |
| 752 * the whole parent to redraw. This is a performance problem. The | |
| 753 * fix is temporarily make the parent not visible during the move. | |
| 754 * | |
| 755 * NOTE: Because every widget in SWT has an X window, the new and | |
| 756 * old bounds of the child are correctly redrawn. | |
| 757 */ | |
| 758 int flags = OS.GTK_WIDGET_FLAGS (parentHandle); | |
| 759 OS.GTK_WIDGET_UNSET_FLAGS (parentHandle, OS.GTK_VISIBLE); | |
| 760 OS.gtk_fixed_move (cast(GtkFixed*)parentHandle, topHandle_, x, y); | |
| 761 if ((flags & OS.GTK_VISIBLE) !is 0) { | |
| 762 OS.GTK_WIDGET_SET_FLAGS (parentHandle, OS.GTK_VISIBLE); | |
| 763 } | |
| 764 } | |
| 765 | |
| 766 void resizeHandle (int width, int height) { | |
| 767 auto topHandle_ = topHandle (); | |
| 768 OS.gtk_widget_set_size_request (topHandle_, width, height); | |
| 769 if (topHandle_ !is handle) OS.gtk_widget_set_size_request (handle, width, height); | |
| 770 } | |
| 771 | |
| 772 int setBounds (int x, int y, int width, int height, bool move, bool resize) { | |
| 773 auto topHandle_ = topHandle (); | |
| 774 bool sendMove = move; | |
| 775 if ((parent.style & SWT.MIRRORED) !is 0) { | |
| 776 int clientWidth = parent.getClientWidth (); | |
| 777 int oldWidth = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); | |
| 778 int oldX = clientWidth - oldWidth - OS.GTK_WIDGET_X (topHandle_); | |
| 779 if (move) { | |
| 780 sendMove &= x !is oldX; | |
| 781 x = clientWidth - (resize ? width : oldWidth) - x; | |
| 782 } else { | |
| 783 move = true; | |
| 784 x = clientWidth - (resize ? width : oldWidth) - oldX; | |
| 785 y = OS.GTK_WIDGET_Y (topHandle_); | |
| 786 } | |
| 787 } | |
| 788 bool sameOrigin = true, sameExtent = true; | |
| 789 if (move) { | |
| 790 int oldX = OS.GTK_WIDGET_X (topHandle_); | |
| 791 int oldY = OS.GTK_WIDGET_Y (topHandle_); | |
| 792 sameOrigin = x is oldX && y is oldY; | |
| 793 if (!sameOrigin) { | |
| 794 if (enableWindow !is null) { | |
| 795 OS.gdk_window_move (enableWindow, x, y); | |
| 796 } | |
| 797 moveHandle (x, y); | |
| 798 } | |
| 799 } | |
| 800 int clientWidth = 0; | |
| 801 if (resize) { | |
| 802 int oldWidth = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); | |
| 803 int oldHeight = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (topHandle_); | |
| 804 sameExtent = width is oldWidth && height is oldHeight; | |
| 805 if (!sameExtent && (style & SWT.MIRRORED) !is 0) clientWidth = getClientWidth (); | |
| 806 if (!sameExtent && !(width is 0 && height is 0)) { | |
| 807 int newWidth = Math.max (1, width); | |
| 808 int newHeight = Math.max (1, height); | |
| 809 if (redrawWindow !is null) { | |
| 810 OS.gdk_window_resize (redrawWindow, newWidth, newHeight); | |
| 811 } | |
| 812 if (enableWindow !is null) { | |
| 813 OS.gdk_window_resize (enableWindow, newWidth, newHeight); | |
| 814 } | |
| 815 resizeHandle (newWidth, newHeight); | |
| 816 } | |
| 817 } | |
| 818 if (!sameOrigin || !sameExtent) { | |
| 819 /* | |
| 820 * Cause a size allocation this widget's topHandle. Note that | |
| 821 * all calls to gtk_widget_size_allocate() must be preceded by | |
| 822 * a call to gtk_widget_size_request(). | |
| 823 */ | |
| 824 GtkRequisition requisition; | |
| 825 gtk_widget_size_request (topHandle_, &requisition); | |
| 826 GtkAllocation allocation; | |
| 827 if (move) { | |
| 828 allocation.x = x; | |
| 829 allocation.y = y; | |
| 830 } else { | |
| 831 allocation.x = OS.GTK_WIDGET_X (topHandle_); | |
| 832 allocation.y = OS.GTK_WIDGET_Y (topHandle_); | |
| 833 } | |
| 834 if (resize) { | |
| 835 allocation.width = width; | |
| 836 allocation.height = height; | |
| 837 } else { | |
| 838 allocation.width = OS.GTK_WIDGET_WIDTH (topHandle_); | |
| 839 allocation.height = OS.GTK_WIDGET_HEIGHT (topHandle_); | |
| 840 } | |
| 841 OS.gtk_widget_size_allocate (topHandle_, &allocation); | |
| 842 } | |
| 843 /* | |
| 844 * Bug in GTK. Widgets cannot be sized smaller than 1x1. | |
| 845 * The fix is to hide zero-sized widgets and show them again | |
| 846 * when they are resized larger. | |
| 847 */ | |
| 848 if (!sameExtent) { | |
| 849 state = (width is 0) ? state | ZERO_WIDTH : state & ~ZERO_WIDTH; | |
| 850 state = (height is 0) ? state | ZERO_HEIGHT : state & ~ZERO_HEIGHT; | |
| 851 if ((state & (ZERO_WIDTH | ZERO_HEIGHT)) !is 0) { | |
| 852 if (enableWindow !is null) { | |
| 853 OS.gdk_window_hide (enableWindow); | |
| 854 } | |
| 855 OS.gtk_widget_hide (topHandle_); | |
| 856 } else { | |
| 857 if ((state & HIDDEN) is 0) { | |
| 858 if (enableWindow !is null) { | |
| 859 OS.gdk_window_show_unraised (enableWindow); | |
| 860 } | |
| 861 OS.gtk_widget_show (topHandle_); | |
| 862 } | |
| 863 } | |
| 864 if ((style & SWT.MIRRORED) !is 0) moveChildren (clientWidth); | |
| 865 } | |
| 866 int result = 0; | |
| 867 if (move && !sameOrigin) { | |
| 868 Control control = findBackgroundControl (); | |
| 869 if (control !is null && control.backgroundImage !is null) { | |
| 870 if (isVisible ()) redrawWidget (0, 0, 0, 0, true, true, true); | |
| 871 } | |
| 872 if (sendMove) sendEvent (SWT.Move); | |
| 873 result |= MOVED; | |
| 874 } | |
| 875 if (resize && !sameExtent) { | |
| 876 sendEvent (SWT.Resize); | |
| 877 result |= RESIZED; | |
| 878 } | |
| 879 return result; | |
| 880 } | |
| 881 | |
| 882 /** | |
| 883 * Returns a point describing the receiver's location relative | |
| 884 * to its parent (or its display if its parent is null), unless | |
| 885 * the receiver is a shell. In this case, the point is | |
| 886 * relative to the display. | |
| 887 * | |
| 888 * @return the receiver's location | |
| 889 * | |
| 890 * @exception SWTException <ul> | |
| 891 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 892 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 893 * </ul> | |
| 894 */ | |
| 895 public Point getLocation () { | |
| 896 checkWidget(); | |
| 897 auto topHandle_ = topHandle (); | |
| 898 int x = OS.GTK_WIDGET_X (topHandle_); | |
| 899 int y = OS.GTK_WIDGET_Y (topHandle_); | |
| 900 if ((parent.style & SWT.MIRRORED) !is 0) { | |
| 901 int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); | |
| 902 x = parent.getClientWidth () - width - x; | |
| 903 } | |
| 904 return new Point (x, y); | |
| 905 } | |
| 906 | |
| 907 /** | |
| 908 * Sets the receiver's location to the point specified by | |
| 909 * the arguments which are relative to the receiver's | |
| 910 * parent (or its display if its parent is null), unless | |
| 911 * the receiver is a shell. In this case, the point is | |
| 912 * relative to the display. | |
| 913 * | |
| 914 * @param location the new location for the receiver | |
| 915 * | |
| 916 * @exception SWTException <ul> | |
| 917 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 918 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 919 * </ul> | |
| 920 */ | |
| 921 public void setLocation (Point location) { | |
| 922 checkWidget (); | |
| 923 if (location is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 924 setBounds (location.x, location.y, 0, 0, true, false); | |
| 925 } | |
| 926 | |
| 927 /** | |
| 928 * Sets the receiver's location to the point specified by | |
| 929 * the arguments which are relative to the receiver's | |
| 930 * parent (or its display if its parent is null), unless | |
| 931 * the receiver is a shell. In this case, the point is | |
| 932 * relative to the display. | |
| 933 * | |
| 934 * @param x the new x coordinate for the receiver | |
| 935 * @param y the new y coordinate for the receiver | |
| 936 * | |
| 937 * @exception SWTException <ul> | |
| 938 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 939 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 940 * </ul> | |
| 941 */ | |
| 942 public void setLocation(int x, int y) { | |
| 943 checkWidget(); | |
| 944 setBounds (x, y, 0, 0, true, false); | |
| 945 } | |
| 946 | |
| 947 /** | |
| 948 * Returns a point describing the receiver's size. The | |
| 949 * x coordinate of the result is the width of the receiver. | |
| 950 * The y coordinate of the result is the height of the | |
| 951 * receiver. | |
| 952 * | |
| 953 * @return the receiver's size | |
| 954 * | |
| 955 * @exception SWTException <ul> | |
| 956 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 957 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 958 * </ul> | |
| 959 */ | |
| 960 public Point getSize () { | |
| 961 checkWidget(); | |
| 962 auto topHandle_ = topHandle (); | |
| 963 int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); | |
| 964 int height = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (topHandle_); | |
| 965 return new Point (width, height); | |
| 966 } | |
| 967 | |
| 968 /** | |
| 969 * Sets the receiver's size to the point specified by the argument. | |
| 970 * <p> | |
| 971 * Note: Attempting to set the width or height of the | |
| 972 * receiver to a negative number will cause them to be | |
| 973 * set to zero instead. | |
| 974 * </p> | |
| 975 * | |
| 976 * @param size the new size for the receiver | |
| 977 * | |
| 978 * @exception IllegalArgumentException <ul> | |
| 979 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> | |
| 980 * </ul> | |
| 981 * @exception SWTException <ul> | |
| 982 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 983 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 984 * </ul> | |
| 985 */ | |
| 986 public void setSize (Point size) { | |
| 987 checkWidget (); | |
| 988 if (size is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 989 setBounds (0, 0, Math.max (0, size.x), Math.max (0, size.y), false, true); | |
| 990 } | |
| 991 | |
| 992 /** | |
| 993 * Sets the shape of the control to the region specified | |
| 994 * by the argument. When the argument is null, the | |
| 995 * default shape of the control is restored. | |
| 996 * | |
| 997 * @param region the region that defines the shape of the control (or null) | |
| 998 * | |
| 999 * @exception IllegalArgumentException <ul> | |
| 1000 * <li>ERROR_INVALID_ARGUMENT - if the region has been disposed</li> | |
| 1001 * </ul> | |
| 1002 * @exception SWTException <ul> | |
| 1003 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1004 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1005 * </ul> | |
| 1006 * | |
| 1007 * @since 3.4 | |
| 1008 */ | |
| 1009 public void setRegion (Region region) { | |
| 1010 checkWidget (); | |
| 1011 if (region !is null && region.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); | |
| 1012 auto window = OS.GTK_WIDGET_WINDOW (topHandle ()); | |
| 1013 auto shape_region = (region is null) ? null : region.handle; | |
| 1014 OS.gdk_window_shape_combine_region (window, shape_region, 0, 0); | |
| 1015 this.region = region; | |
| 1016 } | |
| 1017 | |
| 1018 void setRelations () { | |
| 1019 auto parentHandle = parent.parentingHandle (); | |
| 1020 auto list = OS.gtk_container_get_children (cast(GtkContainer*)parentHandle); | |
| 1021 if (list is null) return; | |
| 1022 int count = OS.g_list_length (list); | |
| 1023 if (count > 1) { | |
| 1024 /* | |
| 1025 * the receiver is the last item in the list, so its predecessor will | |
| 1026 * be the second-last item in the list | |
| 1027 */ | |
| 1028 auto handle = cast(GtkWidget*) OS.g_list_nth_data (list, count - 2); | |
| 1029 if (handle !is null) { | |
| 1030 Widget widget = display.getWidget (handle); | |
| 1031 if (widget !is null && widget !is this) { | |
| 1032 if (auto sibling = cast(Control)widget ) { | |
| 1033 sibling.addRelation (this); | |
| 1034 } | |
| 1035 } | |
| 1036 } | |
| 1037 } | |
| 1038 OS.g_list_free (list); | |
| 1039 } | |
| 1040 | |
| 1041 /** | |
| 1042 * Sets the receiver's size to the point specified by the arguments. | |
| 1043 * <p> | |
| 1044 * Note: Attempting to set the width or height of the | |
| 1045 * receiver to a negative number will cause that | |
| 1046 * value to be set to zero instead. | |
| 1047 * </p> | |
| 1048 * | |
| 1049 * @param width the new width for the receiver | |
| 1050 * @param height the new height for the receiver | |
| 1051 * | |
| 1052 * @exception SWTException <ul> | |
| 1053 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1054 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1055 * </ul> | |
| 1056 */ | |
| 1057 public void setSize (int width, int height) { | |
| 1058 checkWidget(); | |
| 1059 setBounds (0, 0, Math.max (0, width), Math.max (0, height), false, true); | |
| 1060 } | |
| 1061 | |
| 1062 /* | |
| 1063 * Answers a bool indicating whether a Label that precedes the receiver in | |
| 1064 * a layout should be read by screen readers as the recevier's label. | |
| 1065 */ | |
| 1066 bool isDescribedByLabel () { | |
| 1067 return true; | |
| 1068 } | |
| 1069 | |
| 1070 bool isFocusHandle (GtkWidget* widget) { | |
| 1071 return widget is focusHandle (); | |
| 1072 } | |
| 1073 | |
| 1074 /** | |
| 1075 * Moves the receiver above the specified control in the | |
| 1076 * drawing order. If the argument is null, then the receiver | |
| 1077 * is moved to the top of the drawing order. The control at | |
| 1078 * the top of the drawing order will not be covered by other | |
| 1079 * controls even if they occupy intersecting areas. | |
| 1080 * | |
| 1081 * @param control the sibling control (or null) | |
| 1082 * | |
| 1083 * @exception IllegalArgumentException <ul> | |
| 1084 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> | |
| 1085 * </ul> | |
| 1086 * @exception SWTException <ul> | |
| 1087 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1088 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1089 * </ul> | |
| 1090 * | |
| 1091 * @see Control#moveBelow | |
| 1092 * @see Composite#getChildren | |
| 1093 */ | |
| 1094 public void moveAbove (Control control) { | |
| 1095 checkWidget(); | |
| 1096 if (control !is null) { | |
| 1097 if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); | |
| 1098 if (parent !is control.parent) return; | |
| 1099 } | |
| 1100 setZOrder (control, true, true); | |
| 1101 } | |
| 1102 | |
| 1103 /** | |
| 1104 * Moves the receiver below the specified control in the | |
| 1105 * drawing order. If the argument is null, then the receiver | |
| 1106 * is moved to the bottom of the drawing order. The control at | |
| 1107 * the bottom of the drawing order will be covered by all other | |
| 1108 * controls which occupy intersecting areas. | |
| 1109 * | |
| 1110 * @param control the sibling control (or null) | |
| 1111 * | |
| 1112 * @exception IllegalArgumentException <ul> | |
| 1113 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> | |
| 1114 * </ul> | |
| 1115 * @exception SWTException <ul> | |
| 1116 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1117 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1118 * </ul> | |
| 1119 * | |
| 1120 * @see Control#moveAbove | |
| 1121 * @see Composite#getChildren | |
| 1122 */ | |
| 1123 public void moveBelow (Control control) { | |
| 1124 checkWidget(); | |
| 1125 if (control !is null) { | |
| 1126 if (control.isDisposed ()) error(SWT.ERROR_INVALID_ARGUMENT); | |
| 1127 if (parent !is control.parent) return; | |
| 1128 } | |
| 1129 setZOrder (control, false, true); | |
| 1130 } | |
| 1131 | |
| 1132 void moveChildren (int oldWidth) { | |
| 1133 } | |
| 1134 | |
| 1135 /** | |
| 1136 * Causes the receiver to be resized to its preferred size. | |
| 1137 * For a composite, this involves computing the preferred size | |
| 1138 * from its layout, if there is one. | |
| 1139 * | |
| 1140 * @exception SWTException <ul> | |
| 1141 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1142 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1143 * </ul> | |
| 1144 * | |
| 1145 * @see #computeSize(int, int, bool) | |
| 1146 */ | |
| 1147 public void pack () { | |
| 1148 pack (true); | |
| 1149 } | |
| 1150 | |
| 1151 /** | |
| 1152 * Causes the receiver to be resized to its preferred size. | |
| 1153 * For a composite, this involves computing the preferred size | |
| 1154 * from its layout, if there is one. | |
| 1155 * <p> | |
| 1156 * If the changed flag is <code>true</code>, it indicates that the receiver's | |
| 1157 * <em>contents</em> have changed, therefore any caches that a layout manager | |
| 1158 * containing the control may have been keeping need to be flushed. When the | |
| 1159 * control is resized, the changed flag will be <code>false</code>, so layout | |
| 1160 * manager caches can be retained. | |
| 1161 * </p> | |
| 1162 * | |
| 1163 * @param changed whether or not the receiver's contents have changed | |
| 1164 * | |
| 1165 * @exception SWTException <ul> | |
| 1166 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1167 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1168 * </ul> | |
| 1169 * | |
| 1170 * @see #computeSize(int, int, bool) | |
| 1171 */ | |
| 1172 public void pack (bool changed) { | |
| 1173 setSize (computeSize (SWT.DEFAULT, SWT.DEFAULT, changed)); | |
| 1174 } | |
| 1175 | |
| 1176 /** | |
| 1177 * Sets the layout data associated with the receiver to the argument. | |
| 1178 * | |
| 1179 * @param layoutData the new layout data for the receiver. | |
| 1180 * | |
| 1181 * @exception SWTException <ul> | |
| 1182 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1183 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1184 * </ul> | |
| 1185 */ | |
| 1186 public void setLayoutData (Object layoutData) { | |
| 1187 checkWidget(); | |
| 1188 this.layoutData = layoutData; | |
| 1189 } | |
| 1190 | |
| 1191 /** | |
| 1192 * Returns a point which is the result of converting the | |
| 1193 * argument, which is specified in display relative coordinates, | |
| 1194 * to coordinates relative to the receiver. | |
| 1195 * <p> | |
| 1196 * @param x the x coordinate to be translated | |
| 1197 * @param y the y coordinate to be translated | |
| 1198 * @return the translated coordinates | |
| 1199 * | |
| 1200 * @exception SWTException <ul> | |
| 1201 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1202 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1203 * </ul> | |
| 1204 * | |
| 1205 * @since 2.1 | |
| 1206 */ | |
| 1207 public Point toControl (int x, int y) { | |
| 1208 checkWidget (); | |
| 1209 auto window = eventWindow (); | |
| 1210 int origin_x, origin_y; | |
| 1211 OS.gdk_window_get_origin (window, &origin_x, &origin_y); | |
| 1212 x -= origin_x ; | |
| 1213 y -= origin_y ; | |
| 1214 if ((style & SWT.MIRRORED) !is 0) x = getClientWidth () - x; | |
| 1215 return new Point (x, y); | |
| 1216 } | |
| 1217 | |
| 1218 /** | |
| 1219 * Returns a point which is the result of converting the | |
| 1220 * argument, which is specified in display relative coordinates, | |
| 1221 * to coordinates relative to the receiver. | |
| 1222 * <p> | |
| 1223 * @param point the point to be translated (must not be null) | |
| 1224 * @return the translated coordinates | |
| 1225 * | |
| 1226 * @exception IllegalArgumentException <ul> | |
| 1227 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> | |
| 1228 * </ul> | |
| 1229 * @exception SWTException <ul> | |
| 1230 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1231 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1232 * </ul> | |
| 1233 */ | |
| 1234 public Point toControl (Point point) { | |
| 1235 checkWidget (); | |
| 1236 if (point is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1237 return toControl (point.x, point.y); | |
| 1238 } | |
| 1239 | |
| 1240 /** | |
| 1241 * Returns a point which is the result of converting the | |
| 1242 * argument, which is specified in coordinates relative to | |
| 1243 * the receiver, to display relative coordinates. | |
| 1244 * <p> | |
| 1245 * @param x the x coordinate to be translated | |
| 1246 * @param y the y coordinate to be translated | |
| 1247 * @return the translated coordinates | |
| 1248 * | |
| 1249 * @exception SWTException <ul> | |
| 1250 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1251 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1252 * </ul> | |
| 1253 * | |
| 1254 * @since 2.1 | |
| 1255 */ | |
| 1256 public Point toDisplay (int x, int y) { | |
| 1257 checkWidget(); | |
| 1258 auto window = eventWindow (); | |
| 1259 int origin_x, origin_y; | |
| 1260 OS.gdk_window_get_origin (window, &origin_x, &origin_y); | |
| 1261 if ((style & SWT.MIRRORED) !is 0) x = getClientWidth () - x; | |
| 1262 x += origin_x ; | |
| 1263 y += origin_y ; | |
| 1264 return new Point (x, y); | |
| 1265 } | |
| 1266 | |
| 1267 /** | |
| 1268 * Returns a point which is the result of converting the | |
| 1269 * argument, which is specified in coordinates relative to | |
| 1270 * the receiver, to display relative coordinates. | |
| 1271 * <p> | |
| 1272 * @param point the point to be translated (must not be null) | |
| 1273 * @return the translated coordinates | |
| 1274 * | |
| 1275 * @exception IllegalArgumentException <ul> | |
| 1276 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> | |
| 1277 * </ul> | |
| 1278 * @exception SWTException <ul> | |
| 1279 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1280 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1281 * </ul> | |
| 1282 */ | |
| 1283 public Point toDisplay (Point point) { | |
| 1284 checkWidget(); | |
| 1285 if (point is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1286 return toDisplay (point.x, point.y); | |
| 1287 } | |
| 1288 | |
| 1289 /** | |
| 1290 * Adds the listener to the collection of listeners who will | |
| 1291 * be notified when the control is moved or resized, by sending | |
| 1292 * it one of the messages defined in the <code>ControlListener</code> | |
| 1293 * interface. | |
| 1294 * | |
| 1295 * @param listener the listener which should be notified | |
| 1296 * | |
| 1297 * @exception IllegalArgumentException <ul> | |
| 1298 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1299 * </ul> | |
| 1300 * @exception SWTException <ul> | |
| 1301 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1302 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1303 * </ul> | |
| 1304 * | |
| 1305 * @see ControlListener | |
| 1306 * @see #removeControlListener | |
| 1307 */ | |
| 1308 public void addControlListener(ControlListener listener) { | |
| 1309 checkWidget(); | |
| 1310 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1311 TypedListener typedListener = new TypedListener (listener); | |
| 1312 addListener (SWT.Resize,typedListener); | |
| 1313 addListener (SWT.Move,typedListener); | |
| 1314 } | |
| 1315 | |
| 1316 /** | |
| 1317 * Adds the listener to the collection of listeners who will | |
| 1318 * be notified when a drag gesture occurs, by sending it | |
| 1319 * one of the messages defined in the <code>DragDetectListener</code> | |
| 1320 * interface. | |
| 1321 * | |
| 1322 * @param listener the listener which should be notified | |
| 1323 * | |
| 1324 * @exception IllegalArgumentException <ul> | |
| 1325 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1326 * </ul> | |
| 1327 * @exception SWTException <ul> | |
| 1328 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1329 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1330 * </ul> | |
| 1331 * | |
| 1332 * @see DragDetectListener | |
| 1333 * @see #removeDragDetectListener | |
| 1334 * | |
| 1335 * @since 3.3 | |
| 1336 */ | |
| 1337 public void addDragDetectListener (DragDetectListener listener) { | |
| 1338 checkWidget (); | |
| 1339 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1340 TypedListener typedListener = new TypedListener (listener); | |
| 1341 addListener (SWT.DragDetect,typedListener); | |
| 1342 } | |
| 1343 | |
| 1344 /** | |
| 1345 * Adds the listener to the collection of listeners who will | |
| 1346 * be notified when the control gains or loses focus, by sending | |
| 1347 * it one of the messages defined in the <code>FocusListener</code> | |
| 1348 * interface. | |
| 1349 * | |
| 1350 * @param listener the listener which should be notified | |
| 1351 * | |
| 1352 * @exception IllegalArgumentException <ul> | |
| 1353 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1354 * </ul> | |
| 1355 * @exception SWTException <ul> | |
| 1356 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1357 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1358 * </ul> | |
| 1359 * | |
| 1360 * @see FocusListener | |
| 1361 * @see #removeFocusListener | |
| 1362 */ | |
| 1363 public void addFocusListener(FocusListener listener) { | |
| 1364 checkWidget(); | |
| 1365 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1366 TypedListener typedListener = new TypedListener (listener); | |
| 1367 addListener(SWT.FocusIn,typedListener); | |
| 1368 addListener(SWT.FocusOut,typedListener); | |
| 1369 } | |
| 1370 | |
| 1371 /** | |
| 1372 * Adds the listener to the collection of listeners who will | |
| 1373 * be notified when help events are generated for the control, | |
| 1374 * by sending it one of the messages defined in the | |
| 1375 * <code>HelpListener</code> interface. | |
| 1376 * | |
| 1377 * @param listener the listener which should be notified | |
| 1378 * | |
| 1379 * @exception IllegalArgumentException <ul> | |
| 1380 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1381 * </ul> | |
| 1382 * @exception SWTException <ul> | |
| 1383 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1384 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1385 * </ul> | |
| 1386 * | |
| 1387 * @see HelpListener | |
| 1388 * @see #removeHelpListener | |
| 1389 */ | |
| 1390 public void addHelpListener (HelpListener listener) { | |
| 1391 checkWidget(); | |
| 1392 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1393 TypedListener typedListener = new TypedListener (listener); | |
| 1394 addListener (SWT.Help, typedListener); | |
| 1395 } | |
| 1396 | |
| 1397 /** | |
| 1398 * Adds the listener to the collection of listeners who will | |
| 1399 * be notified when keys are pressed and released on the system keyboard, by sending | |
| 1400 * it one of the messages defined in the <code>KeyListener</code> | |
| 1401 * interface. | |
| 1402 * <p> | |
| 1403 * When a key listener is added to a control, the control | |
| 1404 * will take part in widget traversal. By default, all | |
| 1405 * traversal keys (such as the tab key and so on) are | |
| 1406 * delivered to the control. In order for a control to take | |
| 1407 * part in traversal, it should listen for traversal events. | |
| 1408 * Otherwise, the user can traverse into a control but not | |
| 1409 * out. Note that native controls such as table and tree | |
| 1410 * implement key traversal in the operating system. It is | |
| 1411 * not necessary to add traversal listeners for these controls, | |
| 1412 * unless you want to override the default traversal. | |
| 1413 * </p> | |
| 1414 * @param listener the listener which should be notified | |
| 1415 * | |
| 1416 * @exception IllegalArgumentException <ul> | |
| 1417 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1418 * </ul> | |
| 1419 * @exception SWTException <ul> | |
| 1420 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1421 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1422 * </ul> | |
| 1423 * | |
| 1424 * @see KeyListener | |
| 1425 * @see #removeKeyListener | |
| 1426 */ | |
| 1427 public void addKeyListener(KeyListener listener) { | |
| 1428 checkWidget(); | |
| 1429 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1430 TypedListener typedListener = new TypedListener (listener); | |
| 1431 addListener(SWT.KeyUp,typedListener); | |
| 1432 addListener(SWT.KeyDown,typedListener); | |
| 1433 } | |
| 1434 | |
| 1435 /** | |
| 1436 * Adds the listener to the collection of listeners who will | |
| 1437 * be notified when the platform-specific context menu trigger | |
| 1438 * has occurred, by sending it one of the messages defined in | |
| 1439 * the <code>MenuDetectListener</code> interface. | |
| 1440 * | |
| 1441 * @param listener the listener which should be notified | |
| 1442 * | |
| 1443 * @exception IllegalArgumentException <ul> | |
| 1444 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1445 * </ul> | |
| 1446 * @exception SWTException <ul> | |
| 1447 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1448 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1449 * </ul> | |
| 1450 * | |
| 1451 * @see MenuDetectListener | |
| 1452 * @see #removeMenuDetectListener | |
| 1453 * | |
| 1454 * @since 3.3 | |
| 1455 */ | |
| 1456 public void addMenuDetectListener (MenuDetectListener listener) { | |
| 1457 checkWidget (); | |
| 1458 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1459 TypedListener typedListener = new TypedListener (listener); | |
| 1460 addListener (SWT.MenuDetect, typedListener); | |
| 1461 } | |
| 1462 | |
| 1463 /** | |
| 1464 * Adds the listener to the collection of listeners who will | |
| 1465 * be notified when mouse buttons are pressed and released, by sending | |
| 1466 * it one of the messages defined in the <code>MouseListener</code> | |
| 1467 * interface. | |
| 1468 * | |
| 1469 * @param listener the listener which should be notified | |
| 1470 * | |
| 1471 * @exception IllegalArgumentException <ul> | |
| 1472 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1473 * </ul> | |
| 1474 * @exception SWTException <ul> | |
| 1475 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1476 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1477 * </ul> | |
| 1478 * | |
| 1479 * @see MouseListener | |
| 1480 * @see #removeMouseListener | |
| 1481 */ | |
| 1482 public void addMouseListener(MouseListener listener) { | |
| 1483 checkWidget(); | |
| 1484 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1485 TypedListener typedListener = new TypedListener (listener); | |
| 1486 addListener(SWT.MouseDown,typedListener); | |
| 1487 addListener(SWT.MouseUp,typedListener); | |
| 1488 addListener(SWT.MouseDoubleClick,typedListener); | |
| 1489 } | |
| 1490 | |
| 1491 /** | |
| 1492 * Adds the listener to the collection of listeners who will | |
| 1493 * be notified when the mouse moves, by sending it one of the | |
| 1494 * messages defined in the <code>MouseMoveListener</code> | |
| 1495 * interface. | |
| 1496 * | |
| 1497 * @param listener the listener which should be notified | |
| 1498 * | |
| 1499 * @exception IllegalArgumentException <ul> | |
| 1500 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1501 * </ul> | |
| 1502 * @exception SWTException <ul> | |
| 1503 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1504 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1505 * </ul> | |
| 1506 * | |
| 1507 * @see MouseMoveListener | |
| 1508 * @see #removeMouseMoveListener | |
| 1509 */ | |
| 1510 public void addMouseMoveListener(MouseMoveListener listener) { | |
| 1511 checkWidget(); | |
| 1512 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1513 TypedListener typedListener = new TypedListener (listener); | |
| 1514 addListener(SWT.MouseMove,typedListener); | |
| 1515 } | |
| 1516 | |
| 1517 /** | |
| 1518 * Adds the listener to the collection of listeners who will | |
| 1519 * be notified when the mouse passes or hovers over controls, by sending | |
| 1520 * it one of the messages defined in the <code>MouseTrackListener</code> | |
| 1521 * interface. | |
| 1522 * | |
| 1523 * @param listener the listener which should be notified | |
| 1524 * | |
| 1525 * @exception IllegalArgumentException <ul> | |
| 1526 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1527 * </ul> | |
| 1528 * @exception SWTException <ul> | |
| 1529 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1530 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1531 * </ul> | |
| 1532 * | |
| 1533 * @see MouseTrackListener | |
| 1534 * @see #removeMouseTrackListener | |
| 1535 */ | |
| 1536 public void addMouseTrackListener (MouseTrackListener listener) { | |
| 1537 checkWidget(); | |
| 1538 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1539 TypedListener typedListener = new TypedListener (listener); | |
| 1540 addListener (SWT.MouseEnter,typedListener); | |
| 1541 addListener (SWT.MouseExit,typedListener); | |
| 1542 addListener (SWT.MouseHover,typedListener); | |
| 1543 } | |
| 1544 | |
| 1545 /** | |
| 1546 * Adds the listener to the collection of listeners who will | |
| 1547 * be notified when the mouse wheel is scrolled, by sending | |
| 1548 * it one of the messages defined in the | |
| 1549 * <code>MouseWheelListener</code> interface. | |
| 1550 * | |
| 1551 * @param listener the listener which should be notified | |
| 1552 * | |
| 1553 * @exception IllegalArgumentException <ul> | |
| 1554 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1555 * </ul> | |
| 1556 * @exception SWTException <ul> | |
| 1557 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1558 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1559 * </ul> | |
| 1560 * | |
| 1561 * @see MouseWheelListener | |
| 1562 * @see #removeMouseWheelListener | |
| 1563 * | |
| 1564 * @since 3.3 | |
| 1565 */ | |
| 1566 public void addMouseWheelListener (MouseWheelListener listener) { | |
| 1567 checkWidget (); | |
| 1568 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1569 TypedListener typedListener = new TypedListener (listener); | |
| 1570 addListener (SWT.MouseWheel, typedListener); | |
| 1571 } | |
| 1572 | |
| 1573 /** | |
| 1574 * Adds the listener to the collection of listeners who will | |
| 1575 * be notified when the receiver needs to be painted, by sending it | |
| 1576 * one of the messages defined in the <code>PaintListener</code> | |
| 1577 * interface. | |
| 1578 * | |
| 1579 * @param listener the listener which should be notified | |
| 1580 * | |
| 1581 * @exception IllegalArgumentException <ul> | |
| 1582 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1583 * </ul> | |
| 1584 * @exception SWTException <ul> | |
| 1585 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1586 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1587 * </ul> | |
| 1588 * | |
| 1589 * @see PaintListener | |
| 1590 * @see #removePaintListener | |
| 1591 */ | |
| 1592 public void addPaintListener(PaintListener listener) { | |
| 1593 checkWidget(); | |
| 1594 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1595 TypedListener typedListener = new TypedListener (listener); | |
| 1596 addListener(SWT.Paint,typedListener); | |
| 1597 } | |
| 1598 | |
| 1599 void addRelation (Control control) { | |
| 1600 } | |
| 1601 | |
| 1602 /** | |
| 1603 * Adds the listener to the collection of listeners who will | |
| 1604 * be notified when traversal events occur, by sending it | |
| 1605 * one of the messages defined in the <code>TraverseListener</code> | |
| 1606 * interface. | |
| 1607 * | |
| 1608 * @param listener the listener which should be notified | |
| 1609 * | |
| 1610 * @exception IllegalArgumentException <ul> | |
| 1611 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1612 * </ul> | |
| 1613 * @exception SWTException <ul> | |
| 1614 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1615 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1616 * </ul> | |
| 1617 * | |
| 1618 * @see TraverseListener | |
| 1619 * @see #removeTraverseListener | |
| 1620 */ | |
| 1621 public void addTraverseListener (TraverseListener listener) { | |
| 1622 checkWidget(); | |
| 1623 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1624 TypedListener typedListener = new TypedListener (listener); | |
| 1625 addListener (SWT.Traverse,typedListener); | |
| 1626 } | |
| 1627 | |
| 1628 /** | |
| 1629 * Removes the listener from the collection of listeners who will | |
| 1630 * be notified when the control is moved or resized. | |
| 1631 * | |
| 1632 * @param listener the listener which should no longer be notified | |
| 1633 * | |
| 1634 * @exception IllegalArgumentException <ul> | |
| 1635 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1636 * </ul> | |
| 1637 * @exception SWTException <ul> | |
| 1638 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1639 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1640 * </ul> | |
| 1641 * | |
| 1642 * @see ControlListener | |
| 1643 * @see #addControlListener | |
| 1644 */ | |
| 1645 public void removeControlListener (ControlListener listener) { | |
| 1646 checkWidget(); | |
| 1647 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1648 if (eventTable is null) return; | |
| 1649 eventTable.unhook (SWT.Move, listener); | |
| 1650 eventTable.unhook (SWT.Resize, listener); | |
| 1651 } | |
| 1652 | |
| 1653 /** | |
| 1654 * Removes the listener from the collection of listeners who will | |
| 1655 * be notified when a drag gesture occurs. | |
| 1656 * | |
| 1657 * @param listener the listener which should no longer be notified | |
| 1658 * | |
| 1659 * @exception IllegalArgumentException <ul> | |
| 1660 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1661 * </ul> | |
| 1662 * @exception SWTException <ul> | |
| 1663 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1664 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1665 * </ul> | |
| 1666 * | |
| 1667 * @see DragDetectListener | |
| 1668 * @see #addDragDetectListener | |
| 1669 * | |
| 1670 * @since 3.3 | |
| 1671 */ | |
| 1672 public void removeDragDetectListener(DragDetectListener listener) { | |
| 1673 checkWidget (); | |
| 1674 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1675 if (eventTable is null) return; | |
| 1676 eventTable.unhook (SWT.DragDetect, listener); | |
| 1677 } | |
| 1678 | |
| 1679 /** | |
| 1680 * Removes the listener from the collection of listeners who will | |
| 1681 * be notified when the control gains or loses focus. | |
| 1682 * | |
| 1683 * @param listener the listener which should no longer be notified | |
| 1684 * | |
| 1685 * @exception IllegalArgumentException <ul> | |
| 1686 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1687 * </ul> | |
| 1688 * @exception SWTException <ul> | |
| 1689 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1690 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1691 * </ul> | |
| 1692 * | |
| 1693 * @see FocusListener | |
| 1694 * @see #addFocusListener | |
| 1695 */ | |
| 1696 public void removeFocusListener(FocusListener listener) { | |
| 1697 checkWidget(); | |
| 1698 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1699 if (eventTable is null) return; | |
| 1700 eventTable.unhook (SWT.FocusIn, listener); | |
| 1701 eventTable.unhook (SWT.FocusOut, listener); | |
| 1702 } | |
| 1703 /** | |
| 1704 * Removes the listener from the collection of listeners who will | |
| 1705 * be notified when the help events are generated for the control. | |
| 1706 * | |
| 1707 * @param listener the listener which should no longer be notified | |
| 1708 * | |
| 1709 * @exception IllegalArgumentException <ul> | |
| 1710 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1711 * </ul> | |
| 1712 * @exception SWTException <ul> | |
| 1713 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1714 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1715 * </ul> | |
| 1716 * | |
| 1717 * @see HelpListener | |
| 1718 * @see #addHelpListener | |
| 1719 */ | |
| 1720 public void removeHelpListener (HelpListener listener) { | |
| 1721 checkWidget(); | |
| 1722 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1723 if (eventTable is null) return; | |
| 1724 eventTable.unhook (SWT.Help, listener); | |
| 1725 } | |
| 1726 /** | |
| 1727 * Removes the listener from the collection of listeners who will | |
| 1728 * be notified when keys are pressed and released on the system keyboard. | |
| 1729 * | |
| 1730 * @param listener the listener which should no longer be notified | |
| 1731 * | |
| 1732 * @exception IllegalArgumentException <ul> | |
| 1733 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1734 * </ul> | |
| 1735 * @exception SWTException <ul> | |
| 1736 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1737 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1738 * </ul> | |
| 1739 * | |
| 1740 * @see KeyListener | |
| 1741 * @see #addKeyListener | |
| 1742 */ | |
| 1743 public void removeKeyListener(KeyListener listener) { | |
| 1744 checkWidget(); | |
| 1745 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1746 if (eventTable is null) return; | |
| 1747 eventTable.unhook (SWT.KeyUp, listener); | |
| 1748 eventTable.unhook (SWT.KeyDown, listener); | |
| 1749 } | |
| 1750 /** | |
| 1751 * Removes the listener from the collection of listeners who will | |
| 1752 * be notified when the platform-specific context menu trigger has | |
| 1753 * occurred. | |
| 1754 * | |
| 1755 * @param listener the listener which should no longer be notified | |
| 1756 * | |
| 1757 * @exception IllegalArgumentException <ul> | |
| 1758 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1759 * </ul> | |
| 1760 * @exception SWTException <ul> | |
| 1761 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1762 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1763 * </ul> | |
| 1764 * | |
| 1765 * @see MenuDetectListener | |
| 1766 * @see #addMenuDetectListener | |
| 1767 * | |
| 1768 * @since 3.3 | |
| 1769 */ | |
| 1770 public void removeMenuDetectListener (MenuDetectListener listener) { | |
| 1771 checkWidget (); | |
| 1772 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1773 if (eventTable is null) return; | |
| 1774 eventTable.unhook (SWT.MenuDetect, listener); | |
| 1775 } | |
| 1776 /** | |
| 1777 * Removes the listener from the collection of listeners who will | |
| 1778 * be notified when mouse buttons are pressed and released. | |
| 1779 * | |
| 1780 * @param listener the listener which should no longer be notified | |
| 1781 * | |
| 1782 * @exception IllegalArgumentException <ul> | |
| 1783 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1784 * </ul> | |
| 1785 * @exception SWTException <ul> | |
| 1786 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1787 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1788 * </ul> | |
| 1789 * | |
| 1790 * @see MouseListener | |
| 1791 * @see #addMouseListener | |
| 1792 */ | |
| 1793 public void removeMouseListener (MouseListener listener) { | |
| 1794 checkWidget(); | |
| 1795 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1796 if (eventTable is null) return; | |
| 1797 eventTable.unhook (SWT.MouseDown, listener); | |
| 1798 eventTable.unhook (SWT.MouseUp, listener); | |
| 1799 eventTable.unhook (SWT.MouseDoubleClick, listener); | |
| 1800 } | |
| 1801 /** | |
| 1802 * Removes the listener from the collection of listeners who will | |
| 1803 * be notified when the mouse moves. | |
| 1804 * | |
| 1805 * @param listener the listener which should no longer be notified | |
| 1806 * | |
| 1807 * @exception IllegalArgumentException <ul> | |
| 1808 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1809 * </ul> | |
| 1810 * @exception SWTException <ul> | |
| 1811 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1812 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1813 * </ul> | |
| 1814 * | |
| 1815 * @see MouseMoveListener | |
| 1816 * @see #addMouseMoveListener | |
| 1817 */ | |
| 1818 public void removeMouseMoveListener(MouseMoveListener listener) { | |
| 1819 checkWidget(); | |
| 1820 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1821 if (eventTable is null) return; | |
| 1822 eventTable.unhook (SWT.MouseMove, listener); | |
| 1823 } | |
| 1824 | |
| 1825 /** | |
| 1826 * Removes the listener from the collection of listeners who will | |
| 1827 * be notified when the mouse passes or hovers over controls. | |
| 1828 * | |
| 1829 * @param listener the listener which should no longer be notified | |
| 1830 * | |
| 1831 * @exception IllegalArgumentException <ul> | |
| 1832 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1833 * </ul> | |
| 1834 * @exception SWTException <ul> | |
| 1835 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1836 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1837 * </ul> | |
| 1838 * | |
| 1839 * @see MouseTrackListener | |
| 1840 * @see #addMouseTrackListener | |
| 1841 */ | |
| 1842 public void removeMouseTrackListener(MouseTrackListener listener) { | |
| 1843 checkWidget(); | |
| 1844 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1845 if (eventTable is null) return; | |
| 1846 eventTable.unhook (SWT.MouseEnter, listener); | |
| 1847 eventTable.unhook (SWT.MouseExit, listener); | |
| 1848 eventTable.unhook (SWT.MouseHover, listener); | |
| 1849 } | |
| 1850 | |
| 1851 /** | |
| 1852 * Removes the listener from the collection of listeners who will | |
| 1853 * be notified when the mouse wheel is scrolled. | |
| 1854 * | |
| 1855 * @param listener the listener which should no longer be notified | |
| 1856 * | |
| 1857 * @exception IllegalArgumentException <ul> | |
| 1858 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1859 * </ul> | |
| 1860 * @exception SWTException <ul> | |
| 1861 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1862 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1863 * </ul> | |
| 1864 * | |
| 1865 * @see MouseWheelListener | |
| 1866 * @see #addMouseWheelListener | |
| 1867 * | |
| 1868 * @since 3.3 | |
| 1869 */ | |
| 1870 public void removeMouseWheelListener (MouseWheelListener listener) { | |
| 1871 checkWidget (); | |
| 1872 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1873 if (eventTable is null) return; | |
| 1874 eventTable.unhook (SWT.MouseWheel, listener); | |
| 1875 } | |
| 1876 | |
| 1877 /** | |
| 1878 * Removes the listener from the collection of listeners who will | |
| 1879 * be notified when the receiver needs to be painted. | |
| 1880 * | |
| 1881 * @param listener the listener which should no longer be notified | |
| 1882 * | |
| 1883 * @exception IllegalArgumentException <ul> | |
| 1884 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1885 * </ul> | |
| 1886 * @exception SWTException <ul> | |
| 1887 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1888 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1889 * </ul> | |
| 1890 * | |
| 1891 * @see PaintListener | |
| 1892 * @see #addPaintListener | |
| 1893 */ | |
| 1894 public void removePaintListener(PaintListener listener) { | |
| 1895 checkWidget(); | |
| 1896 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1897 if (eventTable is null) return; | |
| 1898 eventTable.unhook(SWT.Paint, listener); | |
| 1899 } | |
| 1900 | |
| 1901 /* | |
| 1902 * Remove "Labelled by" relations from the receiver. | |
| 1903 */ | |
| 1904 void removeRelation () { | |
| 1905 if (!isDescribedByLabel ()) return; /* there will not be any */ | |
| 1906 auto accessible = OS.gtk_widget_get_accessible (handle); | |
| 1907 if (accessible is null) return; | |
| 1908 auto set = ATK.atk_object_ref_relation_set (accessible); | |
| 1909 int count = ATK.atk_relation_set_get_n_relations (set); | |
| 1910 for (int i = 0; i < count; i++) { | |
| 1911 auto relation = ATK.atk_relation_set_get_relation (set, 0); | |
| 1912 ATK.atk_relation_set_remove (set, relation); | |
| 1913 } | |
| 1914 OS.g_object_unref (set); | |
| 1915 } | |
| 1916 | |
| 1917 /** | |
| 1918 * Removes the listener from the collection of listeners who will | |
| 1919 * be notified when traversal events occur. | |
| 1920 * | |
| 1921 * @param listener the listener which should no longer be notified | |
| 1922 * | |
| 1923 * @exception IllegalArgumentException <ul> | |
| 1924 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1925 * </ul> | |
| 1926 * @exception SWTException <ul> | |
| 1927 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1928 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1929 * </ul> | |
| 1930 * | |
| 1931 * @see TraverseListener | |
| 1932 * @see #addTraverseListener | |
| 1933 */ | |
| 1934 public void removeTraverseListener(TraverseListener listener) { | |
| 1935 checkWidget (); | |
| 1936 if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1937 if (eventTable is null) return; | |
| 1938 eventTable.unhook (SWT.Traverse, listener); | |
| 1939 } | |
| 1940 | |
| 1941 /** | |
| 1942 * Detects a drag and drop gesture. This method is used | |
| 1943 * to detect a drag gesture when called from within a mouse | |
| 1944 * down listener. | |
| 1945 * | |
| 1946 * <p>By default, a drag is detected when the gesture | |
| 1947 * occurs anywhere within the client area of a control. | |
| 1948 * Some controls, such as tables and trees, override this | |
| 1949 * behavior. In addition to the operating system specific | |
| 1950 * drag gesture, they require the mouse to be inside an | |
| 1951 * item. Custom widget writers can use <code>setDragDetect</code> | |
| 1952 * to disable the default detection, listen for mouse down, | |
| 1953 * and then call <code>dragDetect()</code> from within the | |
| 1954 * listener to conditionally detect a drag. | |
| 1955 * </p> | |
| 1956 * | |
| 1957 * @param event the mouse down event | |
| 1958 * | |
| 1959 * @return <code>true</code> if the gesture occurred, and <code>false</code> otherwise. | |
| 1960 * | |
| 1961 * @exception IllegalArgumentException <ul> | |
| 1962 * <li>ERROR_NULL_ARGUMENT when the event is null</li> | |
| 1963 * </ul> | |
| 1964 * @exception SWTException <ul> | |
| 1965 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1966 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1967 * </ul> | |
| 1968 * | |
| 1969 * @see DragDetectListener | |
| 1970 * @see #addDragDetectListener | |
| 1971 * | |
| 1972 * @see #getDragDetect | |
| 1973 * @see #setDragDetect | |
| 1974 * | |
| 1975 * @since 3.3 | |
| 1976 */ | |
| 1977 public bool dragDetect (Event event) { | |
| 1978 checkWidget (); | |
| 1979 if (event is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 1980 return dragDetect (event.button, event.count, event.stateMask, event.x, event.y); | |
| 1981 } | |
| 1982 | |
| 1983 /** | |
| 1984 * Detects a drag and drop gesture. This method is used | |
| 1985 * to detect a drag gesture when called from within a mouse | |
| 1986 * down listener. | |
| 1987 * | |
| 1988 * <p>By default, a drag is detected when the gesture | |
| 1989 * occurs anywhere within the client area of a control. | |
| 1990 * Some controls, such as tables and trees, override this | |
| 1991 * behavior. In addition to the operating system specific | |
| 1992 * drag gesture, they require the mouse to be inside an | |
| 1993 * item. Custom widget writers can use <code>setDragDetect</code> | |
| 1994 * to disable the default detection, listen for mouse down, | |
| 1995 * and then call <code>dragDetect()</code> from within the | |
| 1996 * listener to conditionally detect a drag. | |
| 1997 * </p> | |
| 1998 * | |
| 1999 * @param event the mouse down event | |
| 2000 * | |
| 2001 * @return <code>true</code> if the gesture occurred, and <code>false</code> otherwise. | |
| 2002 * | |
| 2003 * @exception IllegalArgumentException <ul> | |
| 2004 * <li>ERROR_NULL_ARGUMENT when the event is null</li> | |
| 2005 * </ul> | |
| 2006 * @exception SWTException <ul> | |
| 2007 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2008 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2009 * </ul> | |
| 2010 * | |
| 2011 * @see DragDetectListener | |
| 2012 * @see #addDragDetectListener | |
| 2013 * | |
| 2014 * @see #getDragDetect | |
| 2015 * @see #setDragDetect | |
| 2016 * | |
| 2017 * @since 3.3 | |
| 2018 */ | |
| 2019 public bool dragDetect (MouseEvent event) { | |
| 2020 checkWidget (); | |
| 2021 if (event is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 2022 return dragDetect (event.button, event.count, event.stateMask, event.x, event.y); | |
| 2023 } | |
| 2024 | |
| 2025 bool dragDetect (int button, int count, int stateMask, int x, int y) { | |
| 2026 if (button !is 1 || count !is 1) return false; | |
| 2027 if (!dragDetect (x, y, false, null)) return false; | |
| 2028 return sendDragEvent (button, stateMask, x, y, true); | |
| 2029 } | |
| 2030 | |
| 2031 bool dragDetect (int x, int y, bool filter, bool* consume) { | |
| 2032 bool quit = false, dragging = false; | |
| 2033 while (!quit) { | |
| 2034 GdkEvent* eventPtr; | |
| 2035 while (true) { | |
| 2036 eventPtr = OS.gdk_event_get (); | |
| 2037 if (eventPtr !is null) { | |
| 2038 break; | |
| 2039 } else { | |
|
47
65761bc28ab2
swt linux again compilable for d1.
Frank Benoit <benoit@tionex.de>
parents:
25
diff
changeset
|
2040 try {Thread.sleep(50);} catch (Exception ex) {} |
| 25 | 2041 } |
| 2042 } | |
| 2043 switch (cast(int)OS.GDK_EVENT_TYPE (eventPtr)) { | |
| 2044 case OS.GDK_MOTION_NOTIFY: { | |
| 2045 GdkEventMotion* gdkMotionEvent = cast(GdkEventMotion*)eventPtr; | |
| 2046 if ((gdkMotionEvent.state & OS.GDK_BUTTON1_MASK) !is 0) { | |
| 2047 if (OS.gtk_drag_check_threshold (handle, x, y, cast(int) gdkMotionEvent.x, cast(int) gdkMotionEvent.y)) { | |
| 2048 dragging = true; | |
| 2049 quit = true; | |
| 2050 } | |
| 2051 } else { | |
| 2052 quit = true; | |
| 2053 } | |
| 2054 int newX, newY; | |
| 2055 OS.gdk_window_get_pointer (gdkMotionEvent.window, &newX, &newY, null); | |
| 2056 break; | |
| 2057 } | |
| 2058 case OS.GDK_KEY_PRESS: | |
| 2059 case OS.GDK_KEY_RELEASE: { | |
| 2060 GdkEventKey* gdkEvent = cast(GdkEventKey*)eventPtr; | |
| 2061 if (gdkEvent.keyval is OS.GDK_Escape) quit = true; | |
| 2062 break; | |
| 2063 } | |
| 2064 case OS.GDK_BUTTON_RELEASE: | |
| 2065 case OS.GDK_BUTTON_PRESS: | |
| 2066 case OS.GDK_2BUTTON_PRESS: | |
| 2067 case OS.GDK_3BUTTON_PRESS: { | |
| 2068 OS.gdk_event_put (eventPtr); | |
| 2069 quit = true; | |
| 2070 break; | |
| 2071 } | |
| 2072 default: | |
| 2073 OS.gtk_main_do_event (eventPtr); | |
| 2074 } | |
| 2075 OS.gdk_event_free (eventPtr); | |
| 2076 } | |
| 2077 return dragging; | |
| 2078 } | |
| 2079 | |
| 2080 bool filterKey (int keyval, GdkEventKey* event) { | |
| 2081 auto imHandle = imHandle (); | |
| 2082 if (imHandle !is null) { | |
| 2083 return cast(bool)OS.gtk_im_context_filter_keypress (imHandle, event); | |
| 2084 } | |
| 2085 return false; | |
| 2086 } | |
| 2087 | |
| 2088 Control findBackgroundControl () { | |
| 2089 if ((state & BACKGROUND) !is 0 || backgroundImage !is null) return this; | |
| 2090 return (state & PARENT_BACKGROUND) !is 0 ? parent.findBackgroundControl () : null; | |
| 2091 } | |
| 2092 | |
| 2093 Menu [] findMenus (Control control) { | |
| 2094 if (menu !is null && this !is control) return [menu]; | |
| 2095 return new Menu [0]; | |
| 2096 } | |
| 2097 | |
| 2098 void fixChildren (Shell newShell, Shell oldShell, Decorations newDecorations, Decorations oldDecorations, Menu [] menus) { | |
| 2099 oldShell.fixShell (newShell, this); | |
| 2100 oldDecorations.fixDecorations (newDecorations, this, menus); | |
| 2101 } | |
| 2102 | |
| 2103 override int /*long*/ fixedMapProc (GtkWidget* widget) { | |
| 2104 OS.GTK_WIDGET_SET_FLAGS (widget, OS.GTK_MAPPED); | |
| 2105 auto widgetList = OS.gtk_container_get_children (cast(GtkContainer*)widget); | |
| 2106 if (widgetList !is null) { | |
| 2107 auto widgets = widgetList; | |
| 2108 while (widgets !is null) { | |
| 2109 auto child = cast(GtkWidget*)OS.g_list_data (widgets); | |
| 2110 if (OS.GTK_WIDGET_VISIBLE (child) && OS.gtk_widget_get_child_visible (child) && !OS.GTK_WIDGET_MAPPED (child)) { | |
| 2111 OS.gtk_widget_map (child); | |
| 2112 } | |
| 2113 widgets = cast(GList*)OS.g_list_next (widgets); | |
| 2114 } | |
| 2115 OS.g_list_free (widgetList); | |
| 2116 } | |
| 2117 if ((OS.GTK_WIDGET_FLAGS (widget) & OS.GTK_NO_WINDOW) is 0) { | |
| 2118 OS.gdk_window_show_unraised (OS.GTK_WIDGET_WINDOW (widget)); | |
| 2119 } | |
| 2120 return 0; | |
| 2121 } | |
| 2122 | |
| 2123 void fixModal(GtkWidget* group, GtkWidget* modalGroup) { | |
| 2124 } | |
| 2125 | |
| 2126 /** | |
| 2127 * Forces the receiver to have the <em>keyboard focus</em>, causing | |
| 2128 * all keyboard events to be delivered to it. | |
| 2129 * | |
| 2130 * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to. | |
| 2131 * | |
| 2132 * @exception SWTException <ul> | |
| 2133 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2134 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2135 * </ul> | |
| 2136 * | |
| 2137 * @see #setFocus | |
| 2138 */ | |
| 2139 public bool forceFocus () { | |
| 2140 checkWidget(); | |
| 2141 if (display.focusEvent is SWT.FocusOut) return false; | |
| 2142 Shell shell = getShell (); | |
| 2143 shell.setSavedFocus (this); | |
| 2144 if (!isEnabled () || !isVisible ()) return false; | |
| 2145 shell.bringToTop (false); | |
| 2146 return forceFocus (focusHandle ()); | |
| 2147 } | |
| 2148 | |
| 2149 bool forceFocus (GtkWidget* focusHandle_) { | |
| 2150 /* When the control is zero sized it must be realized */ | |
| 2151 OS.gtk_widget_realize (focusHandle_); | |
| 2152 OS.gtk_widget_grab_focus (focusHandle_); | |
| 2153 Shell shell = getShell (); | |
| 2154 auto shellHandle = shell.shellHandle; | |
| 2155 auto handle = OS.gtk_window_get_focus (cast(GtkWindow*)shellHandle); | |
| 2156 while (handle !is null) { | |
| 2157 if (handle is focusHandle_) return true; | |
| 2158 Widget widget = display.getWidget (handle); | |
| 2159 if (widget !is null && (null !is cast(Control)widget)) { | |
| 2160 return widget is this; | |
| 2161 } | |
| 2162 handle = OS.gtk_widget_get_parent (handle); | |
| 2163 } | |
| 2164 return false; | |
| 2165 } | |
| 2166 | |
| 2167 /** | |
| 2168 * Returns the receiver's background color. | |
| 2169 * | |
| 2170 * @return the background color | |
| 2171 * | |
| 2172 * @exception SWTException <ul> | |
| 2173 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2174 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2175 * </ul> | |
| 2176 */ | |
| 2177 public Color getBackground () { | |
| 2178 checkWidget(); | |
| 2179 Control control = findBackgroundControl (); | |
| 2180 if (control is null) control = this; | |
| 2181 return Color.gtk_new (display, control.getBackgroundColor ()); | |
| 2182 } | |
| 2183 | |
| 2184 GdkColor* getBackgroundColor () { | |
| 2185 return getBgColor (); | |
| 2186 } | |
| 2187 | |
| 2188 /** | |
| 2189 * Returns the receiver's background image. | |
| 2190 * | |
| 2191 * @return the background image | |
| 2192 * | |
| 2193 * @exception SWTException <ul> | |
| 2194 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2195 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2196 * </ul> | |
| 2197 * | |
| 2198 * @since 3.2 | |
| 2199 */ | |
| 2200 public Image getBackgroundImage () { | |
| 2201 checkWidget (); | |
| 2202 Control control = findBackgroundControl (); | |
| 2203 if (control is null) control = this; | |
| 2204 return control.backgroundImage; | |
| 2205 } | |
| 2206 | |
| 2207 GdkColor* getBgColor () { | |
| 2208 auto fontHandle_ = fontHandle (); | |
| 2209 OS.gtk_widget_realize (fontHandle_); | |
| 2210 GdkColor* color = new GdkColor (); | |
| 2211 OS.gtk_style_get_bg (OS.gtk_widget_get_style (fontHandle_), OS.GTK_STATE_NORMAL, color); | |
| 2212 return color; | |
| 2213 } | |
| 2214 | |
| 2215 GdkColor* getBaseColor () { | |
| 2216 auto fontHandle_ = fontHandle (); | |
| 2217 OS.gtk_widget_realize (fontHandle_); | |
| 2218 GdkColor* color = new GdkColor (); | |
| 2219 OS.gtk_style_get_base (OS.gtk_widget_get_style (fontHandle_), OS.GTK_STATE_NORMAL, color); | |
| 2220 return color; | |
| 2221 } | |
| 2222 | |
| 2223 /** | |
| 2224 * Returns the receiver's border width. | |
| 2225 * | |
| 2226 * @return the border width | |
| 2227 * | |
| 2228 * @exception SWTException <ul> | |
| 2229 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2230 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2231 * </ul> | |
| 2232 */ | |
| 2233 public int getBorderWidth () { | |
| 2234 checkWidget(); | |
| 2235 return 0; | |
| 2236 } | |
| 2237 | |
| 2238 int getClientWidth () { | |
| 2239 return 0; | |
| 2240 } | |
| 2241 | |
| 2242 /** | |
| 2243 * Returns the receiver's cursor, or null if it has not been set. | |
| 2244 * <p> | |
| 2245 * When the mouse pointer passes over a control its appearance | |
| 2246 * is changed to match the control's cursor. | |
| 2247 * </p> | |
| 2248 * | |
| 2249 * @return the receiver's cursor or <code>null</code> | |
| 2250 * | |
| 2251 * @exception SWTException <ul> | |
| 2252 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2253 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2254 * </ul> | |
| 2255 * | |
| 2256 * @since 3.3 | |
| 2257 */ | |
| 2258 public Cursor getCursor () { | |
| 2259 checkWidget (); | |
| 2260 return cursor; | |
| 2261 } | |
| 2262 | |
| 2263 /** | |
| 2264 * Returns <code>true</code> if the receiver is detecting | |
| 2265 * drag gestures, and <code>false</code> otherwise. | |
| 2266 * | |
| 2267 * @return the receiver's drag detect state | |
| 2268 * | |
| 2269 * @exception SWTException <ul> | |
| 2270 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2271 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2272 * </ul> | |
| 2273 * | |
| 2274 * @since 3.3 | |
| 2275 */ | |
| 2276 public bool getDragDetect () { | |
| 2277 checkWidget (); | |
| 2278 return (state & DRAG_DETECT) !is 0; | |
| 2279 } | |
| 2280 | |
| 2281 /** | |
| 2282 * Returns <code>true</code> if the receiver is enabled, and | |
| 2283 * <code>false</code> otherwise. A disabled control is typically | |
| 2284 * not selectable from the user interface and draws with an | |
| 2285 * inactive or "grayed" look. | |
| 2286 * | |
| 2287 * @return the receiver's enabled state | |
| 2288 * | |
| 2289 * @exception SWTException <ul> | |
| 2290 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2291 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2292 * </ul> | |
| 2293 * | |
| 2294 * @see #isEnabled | |
| 2295 */ | |
| 2296 public bool getEnabled () { | |
| 2297 checkWidget (); | |
| 2298 return (state & DISABLED) is 0; | |
| 2299 } | |
| 2300 | |
| 2301 /** | |
| 2302 * Returns the font that the receiver will use to paint textual information. | |
| 2303 * | |
| 2304 * @return the receiver's font | |
| 2305 * | |
| 2306 * @exception SWTException <ul> | |
| 2307 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2308 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2309 * </ul> | |
| 2310 */ | |
| 2311 public Font getFont () { | |
| 2312 checkWidget(); | |
| 2313 return font !is null ? font : defaultFont (); | |
| 2314 } | |
| 2315 | |
| 2316 PangoFontDescription* getFontDescription () { | |
| 2317 auto fontHandle_ = fontHandle (); | |
| 2318 OS.gtk_widget_realize (fontHandle_); | |
| 2319 return OS.gtk_style_get_font_desc (OS.gtk_widget_get_style (fontHandle_)); | |
| 2320 } | |
| 2321 | |
| 2322 /** | |
| 2323 * Returns the foreground color that the receiver will use to draw. | |
| 2324 * | |
| 2325 * @return the receiver's foreground color | |
| 2326 * | |
| 2327 * @exception SWTException <ul> | |
| 2328 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2329 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2330 * </ul> | |
| 2331 */ | |
| 2332 public Color getForeground () { | |
| 2333 checkWidget(); | |
| 2334 return Color.gtk_new (display, getForegroundColor ()); | |
| 2335 } | |
| 2336 | |
| 2337 GdkColor* getForegroundColor () { | |
| 2338 return getFgColor (); | |
| 2339 } | |
| 2340 | |
| 2341 GdkColor* getFgColor () { | |
| 2342 auto fontHandle_ = fontHandle (); | |
| 2343 OS.gtk_widget_realize (fontHandle_); | |
| 2344 GdkColor* color = new GdkColor (); | |
| 2345 OS.gtk_style_get_fg (OS.gtk_widget_get_style (fontHandle_), OS.GTK_STATE_NORMAL, color); | |
| 2346 return color; | |
| 2347 } | |
| 2348 | |
| 2349 Point getIMCaretPos () { | |
| 2350 return new Point (0, 0); | |
| 2351 } | |
| 2352 | |
| 2353 GdkColor* getTextColor () { | |
| 2354 auto fontHandle_ = fontHandle (); | |
| 2355 OS.gtk_widget_realize (fontHandle_); | |
| 2356 GdkColor* color = new GdkColor (); | |
| 2357 OS.gtk_style_get_text (OS.gtk_widget_get_style (fontHandle_), OS.GTK_STATE_NORMAL, color); | |
| 2358 return color; | |
| 2359 } | |
| 2360 | |
| 2361 /** | |
| 2362 * Returns layout data which is associated with the receiver. | |
| 2363 * | |
| 2364 * @return the receiver's layout data | |
| 2365 * | |
| 2366 * @exception SWTException <ul> | |
| 2367 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2368 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2369 * </ul> | |
| 2370 */ | |
| 2371 public Object getLayoutData () { | |
| 2372 checkWidget(); | |
| 2373 return layoutData; | |
| 2374 } | |
| 2375 | |
| 2376 /** | |
| 2377 * Returns the receiver's pop up menu if it has one, or null | |
| 2378 * if it does not. All controls may optionally have a pop up | |
| 2379 * menu that is displayed when the user requests one for | |
| 2380 * the control. The sequence of key strokes, button presses | |
| 2381 * and/or button releases that are used to request a pop up | |
| 2382 * menu is platform specific. | |
| 2383 * | |
| 2384 * @return the receiver's menu | |
| 2385 * | |
| 2386 * @exception SWTException <ul> | |
| 2387 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2388 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2389 * </ul> | |
| 2390 */ | |
| 2391 public Menu getMenu () { | |
| 2392 checkWidget(); | |
| 2393 return menu; | |
| 2394 } | |
| 2395 | |
| 2396 /** | |
| 2397 * Returns the receiver's monitor. | |
| 2398 * | |
| 2399 * @return the receiver's monitor | |
| 2400 * | |
| 2401 * @since 3.0 | |
| 2402 */ | |
| 2403 public org.eclipse.swt.widgets.Monitor.Monitor getMonitor () { | |
| 2404 checkWidget(); | |
| 2405 org.eclipse.swt.widgets.Monitor.Monitor monitor = null; | |
| 2406 auto screen = OS.gdk_screen_get_default (); | |
| 2407 if (screen !is null) { | |
| 2408 int monitorNumber = OS.gdk_screen_get_monitor_at_window (screen, paintWindow ()); | |
| 2409 GdkRectangle dest; | |
| 2410 OS.gdk_screen_get_monitor_geometry (screen, monitorNumber, &dest); | |
| 2411 monitor = new org.eclipse.swt.widgets.Monitor.Monitor (); | |
| 2412 monitor.handle = monitorNumber; | |
| 2413 monitor.x = dest.x; | |
| 2414 monitor.y = dest.y; | |
| 2415 monitor.width = dest.width; | |
| 2416 monitor.height = dest.height; | |
| 2417 Rectangle workArea = null; | |
| 2418 if (monitorNumber is 0) workArea = display.getWorkArea (); | |
| 2419 if (workArea !is null) { | |
| 2420 monitor.clientX = workArea.x; | |
| 2421 monitor.clientY = workArea.y; | |
| 2422 monitor.clientWidth = workArea.width; | |
| 2423 monitor.clientHeight = workArea.height; | |
| 2424 } else { | |
| 2425 monitor.clientX = monitor.x; | |
| 2426 monitor.clientY = monitor.y; | |
| 2427 monitor.clientWidth = monitor.width; | |
| 2428 monitor.clientHeight = monitor.height; | |
| 2429 } | |
| 2430 } else { | |
| 2431 monitor = display.getPrimaryMonitor (); | |
| 2432 } | |
| 2433 return monitor; | |
| 2434 } | |
| 2435 | |
| 2436 /** | |
| 2437 * Returns the receiver's parent, which must be a <code>Composite</code> | |
| 2438 * or null when the receiver is a shell that was created with null or | |
| 2439 * a display for a parent. | |
| 2440 * | |
| 2441 * @return the receiver's parent | |
| 2442 * | |
| 2443 * @exception SWTException <ul> | |
| 2444 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2445 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2446 * </ul> | |
| 2447 */ | |
| 2448 public Composite getParent () { | |
| 2449 checkWidget(); | |
| 2450 return parent; | |
| 2451 } | |
| 2452 | |
| 2453 Control [] getPath () { | |
| 2454 int count = 0; | |
| 2455 Shell shell = getShell (); | |
| 2456 Control control = this; | |
| 2457 while (control !is shell) { | |
| 2458 count++; | |
| 2459 control = control.parent; | |
| 2460 } | |
| 2461 control = this; | |
| 2462 Control [] result = new Control [count]; | |
| 2463 while (control !is shell) { | |
| 2464 result [--count] = control; | |
| 2465 control = control.parent; | |
| 2466 } | |
| 2467 return result; | |
| 2468 } | |
| 2469 | |
| 2470 /** | |
| 2471 * Returns the region that defines the shape of the control, | |
| 2472 * or null if the control has the default shape. | |
| 2473 * | |
| 2474 * @return the region that defines the shape of the shell (or null) | |
| 2475 * | |
| 2476 * @exception SWTException <ul> | |
| 2477 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2478 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2479 * </ul> | |
| 2480 * | |
| 2481 * @since 3.4 | |
| 2482 */ | |
| 2483 public Region getRegion () { | |
| 2484 checkWidget (); | |
| 2485 return region; | |
| 2486 } | |
| 2487 | |
| 2488 /** | |
| 2489 * Returns the receiver's shell. For all controls other than | |
| 2490 * shells, this simply returns the control's nearest ancestor | |
| 2491 * shell. Shells return themselves, even if they are children | |
| 2492 * of other shells. | |
| 2493 * | |
| 2494 * @return the receiver's shell | |
| 2495 * | |
| 2496 * @exception SWTException <ul> | |
| 2497 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2498 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2499 * </ul> | |
| 2500 * | |
| 2501 * @see #getParent | |
| 2502 */ | |
| 2503 public Shell getShell() { | |
| 2504 checkWidget(); | |
| 2505 return _getShell(); | |
| 2506 } | |
| 2507 | |
| 2508 Shell _getShell() { | |
| 2509 return parent._getShell(); | |
| 2510 } | |
| 2511 | |
| 2512 /** | |
| 2513 * Returns the receiver's tool tip text, or null if it has | |
| 2514 * not been set. | |
| 2515 * | |
| 2516 * @return the receiver's tool tip text | |
| 2517 * | |
| 2518 * @exception SWTException <ul> | |
| 2519 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2520 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2521 * </ul> | |
| 2522 */ | |
| 2523 public String getToolTipText () { | |
| 2524 checkWidget(); | |
| 2525 return toolTipText; | |
| 2526 } | |
| 2527 /** | |
| 2528 * Returns <code>true</code> if the receiver is visible, and | |
| 2529 * <code>false</code> otherwise. | |
| 2530 * <p> | |
| 2531 * If one of the receiver's ancestors is not visible or some | |
| 2532 * other condition makes the receiver not visible, this method | |
| 2533 * may still indicate that it is considered visible even though | |
| 2534 * it may not actually be showing. | |
| 2535 * </p> | |
| 2536 * | |
| 2537 * @return the receiver's visibility state | |
| 2538 * | |
| 2539 * @exception SWTException <ul> | |
| 2540 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2541 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2542 * </ul> | |
| 2543 */ | |
| 2544 public bool getVisible () { | |
| 2545 checkWidget(); | |
| 2546 return (state & HIDDEN) is 0; | |
| 2547 } | |
| 2548 | |
| 2549 override int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* event) { | |
| 2550 return gtk_button_press_event (widget, event, true); | |
| 2551 } | |
| 2552 | |
| 2553 int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* gdkEvent, bool sendMouseDown) { | |
| 2554 if (gdkEvent.type is OS.GDK_3BUTTON_PRESS) return 0; | |
| 2555 | |
| 2556 /* | |
| 2557 * When a shell is created with SWT.ON_TOP and SWT.NO_FOCUS, | |
| 2558 * do not activate the shell when the user clicks on the | |
| 2559 * the client area or on the border or a control within the | |
| 2560 * shell that does not take focus. | |
| 2561 */ | |
| 2562 Shell shell = _getShell (); | |
| 2563 if (((shell.style & SWT.ON_TOP) !is 0) && (((shell.style & SWT.NO_FOCUS) is 0) || ((style & SWT.NO_FOCUS) is 0))) { | |
| 2564 shell.forceActive(); | |
| 2565 } | |
| 2566 int /*long*/ result = 0; | |
| 2567 if (gdkEvent.type is OS.GDK_BUTTON_PRESS) { | |
| 2568 display.clickCount = 1; | |
| 2569 auto nextEvent = OS.gdk_event_peek (); | |
| 2570 if (nextEvent !is null) { | |
| 2571 int eventType = OS.GDK_EVENT_TYPE (nextEvent); | |
| 2572 if (eventType is OS.GDK_2BUTTON_PRESS) display.clickCount = 2; | |
| 2573 if (eventType is OS.GDK_3BUTTON_PRESS) display.clickCount = 3; | |
| 2574 OS.gdk_event_free (nextEvent); | |
| 2575 } | |
| 2576 bool dragging = false; | |
| 2577 if ((state & DRAG_DETECT) !is 0 && hooks (SWT.DragDetect)) { | |
| 2578 if (gdkEvent.button is 1) { | |
| 2579 bool consume = false; | |
| 2580 if (dragDetect (cast(int) gdkEvent.x, cast(int) gdkEvent.y, true, &consume)) { | |
| 2581 dragging = true; | |
| 2582 if (consume ) result = 1; | |
| 2583 } | |
| 2584 if (isDisposed ()) return 1; | |
| 2585 } | |
| 2586 } | |
| 2587 if (sendMouseDown && !sendMouseEvent (SWT.MouseDown, gdkEvent.button, display.clickCount, 0, false, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state)) { | |
| 2588 result = 1; | |
| 2589 } | |
| 2590 if (isDisposed ()) return 1; | |
| 2591 if (dragging) { | |
| 2592 sendDragEvent (gdkEvent.button, gdkEvent.state, cast(int) gdkEvent.x, cast(int) gdkEvent.y, false); | |
| 2593 if (isDisposed ()) return 1; | |
| 2594 } | |
| 2595 /* | |
| 2596 * Pop up the context menu in the button press event for widgets | |
| 2597 * that have default operating system menus in order to stop the | |
| 2598 * operating system from displaying the menu if necessary. | |
| 2599 */ | |
| 2600 if ((state & MENU) !is 0) { | |
| 2601 if (gdkEvent.button is 3) { | |
| 2602 if (showMenu (cast(int)gdkEvent.x_root, cast(int)gdkEvent.y_root)) { | |
| 2603 result = 1; | |
| 2604 } | |
| 2605 } | |
| 2606 } | |
| 2607 } else { | |
| 2608 display.clickCount = 2; | |
| 2609 result = sendMouseEvent (SWT.MouseDoubleClick, gdkEvent.button, display.clickCount, 0, false, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; | |
| 2610 if (isDisposed ()) return 1; | |
| 2611 } | |
| 2612 if (!shell.isDisposed ()) shell.setActiveControl (this); | |
| 2613 return result; | |
| 2614 } | |
| 2615 | |
| 2616 override int /*long*/ gtk_button_release_event (GtkWidget* widget, GdkEventButton* gdkEvent) { | |
| 2617 /* | |
| 2618 * Feature in GTK. When button 4, 5, 6, or 7 is released, GTK | |
| 2619 * does not deliver a corresponding GTK event. Button 6 and 7 | |
| 2620 * are mapped to buttons 4 and 5 in SWT. The fix is to change | |
| 2621 * the button number of the event to a negative number so that | |
| 2622 * it gets dispatched by GTK. SWT has been modified to look | |
| 2623 * for negative button numbers. | |
| 2624 */ | |
| 2625 int button = gdkEvent.button; | |
| 2626 switch (button) { | |
| 2627 case -6: button = 4; break; | |
| 2628 case -7: button = 5; break; | |
| 2629 default: | |
| 2630 } | |
| 2631 return sendMouseEvent (SWT.MouseUp, button, display.clickCount, 0, false, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; | |
| 2632 } | |
| 2633 | |
| 2634 override int /*long*/ gtk_commit (GtkIMContext* imcontext, char* text) { | |
| 2635 char [] chars = fromStringz( text ); | |
| 2636 if (chars.length is 0) return 0; | |
| 2637 sendIMKeyEvent (SWT.KeyDown, null, chars); | |
| 2638 return 0; | |
| 2639 } | |
| 2640 | |
| 2641 override int /*long*/ gtk_enter_notify_event (GtkWidget* widget, GdkEventCrossing* gdkEvent) { | |
| 2642 if (OS.GTK_VERSION >= OS.buildVERSION (2, 12, 0)) { | |
| 2643 /* | |
| 2644 * Feature in GTK. Children of a shell will inherit and display the shell's | |
| 2645 * tooltip if they do not have a tooltip of their own. The fix is to use the | |
| 2646 * new tooltip API in GTK 2.12 to null the shell's tooltip when the control | |
| 2647 * being entered does not have any tooltip text set. | |
| 2648 */ | |
| 2649 char* buffer = null; | |
| 2650 if (toolTipText !is null && toolTipText.length !is 0) { | |
| 2651 char [] chars = fixMnemonic (toolTipText, false); | |
| 2652 buffer = toStringz(chars); | |
| 2653 } | |
| 2654 auto toolHandle = getShell().handle; | |
| 2655 OS.gtk_widget_set_tooltip_text (toolHandle, buffer); | |
| 2656 } | |
| 2657 if (display.currentControl is this) return 0; | |
| 2658 if (gdkEvent.mode !is OS.GDK_CROSSING_NORMAL && gdkEvent.mode !is OS.GDK_CROSSING_UNGRAB) return 0; | |
| 2659 if ((gdkEvent.state & (OS.GDK_BUTTON1_MASK | OS.GDK_BUTTON2_MASK | OS.GDK_BUTTON3_MASK)) !is 0) return 0; | |
| 2660 if (display.currentControl !is null && !display.currentControl.isDisposed ()) { | |
| 2661 display.removeMouseHoverTimeout (display.currentControl.handle); | |
| 2662 display.currentControl.sendMouseEvent (SWT.MouseExit, 0, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state); | |
| 2663 } | |
| 2664 if (!isDisposed ()) { | |
| 2665 display.currentControl = this; | |
| 2666 return sendMouseEvent (SWT.MouseEnter, 0, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; | |
| 2667 } | |
| 2668 return 0; | |
| 2669 } | |
| 2670 | |
| 2671 override int /*long*/ gtk_event_after (GtkWidget* widget, GdkEvent* gdkEvent) { | |
| 2672 switch (cast(int)gdkEvent.type) { | |
| 2673 case OS.GDK_BUTTON_PRESS: { | |
| 2674 if (widget !is eventHandle ()) break; | |
| 2675 /* | |
| 2676 * Pop up the context menu in the event_after signal to allow | |
| 2677 * the widget to process the button press. This allows widgets | |
| 2678 * such as GtkTreeView to select items before a menu is shown. | |
| 2679 */ | |
| 2680 if ((state & MENU) is 0) { | |
| 2681 GdkEventButton* gdkEventButton = cast(GdkEventButton*)gdkEvent; | |
| 2682 if (gdkEventButton.button is 3) { | |
| 2683 showMenu (cast(int) gdkEventButton.x_root, cast(int) gdkEventButton.y_root); | |
| 2684 } | |
| 2685 } | |
| 2686 break; | |
| 2687 } | |
| 2688 case OS.GDK_FOCUS_CHANGE: { | |
| 2689 if (!isFocusHandle (widget)) break; | |
| 2690 GdkEventFocus* gdkEventFocus = cast(GdkEventFocus*)gdkEvent; | |
| 2691 | |
| 2692 /* | |
| 2693 * Feature in GTK. The GTK combo box popup under some window managers | |
| 2694 * is implemented as a GTK_MENU. When it pops up, it causes the combo | |
| 2695 * box to lose focus when focus is received for the menu. The | |
| 2696 * fix is to check the current grab handle and see if it is a GTK_MENU | |
| 2697 * and ignore the focus event when the menu is both shown and hidden. | |
| 2698 */ | |
| 2699 Display display = this.display; | |
| 2700 if (gdkEventFocus.in_ !is 0) { | |
| 2701 if (display.ignoreFocus) { | |
| 2702 display.ignoreFocus = false; | |
| 2703 break; | |
| 2704 } | |
| 2705 } else { | |
| 2706 display.ignoreFocus = false; | |
| 2707 auto grabHandle = OS.gtk_grab_get_current (); | |
| 2708 if (grabHandle !is null) { | |
| 2709 if (OS.G_OBJECT_TYPE ( cast(GTypeInstance*)grabHandle) is OS.GTK_TYPE_MENU ()) { | |
| 2710 display.ignoreFocus = true; | |
| 2711 break; | |
| 2712 } | |
| 2713 } | |
| 2714 } | |
| 2715 | |
| 2716 sendFocusEvent (gdkEventFocus.in_ !is 0 ? SWT.FocusIn : SWT.FocusOut); | |
| 2717 break; | |
| 2718 default: | |
| 2719 } | |
| 2720 } | |
| 2721 return 0; | |
| 2722 } | |
| 2723 | |
| 2724 override int /*long*/ gtk_expose_event (GtkWidget* widget, GdkEventExpose* gdkEvent) { | |
| 2725 if ((state & OBSCURED) !is 0) return 0; | |
| 2726 if (!hooks (SWT.Paint) && !filters (SWT.Paint)) return 0; | |
| 2727 Event event = new Event (); | |
| 2728 event.count = gdkEvent.count; | |
| 2729 event.x = gdkEvent.area.x; | |
| 2730 event.y = gdkEvent.area.y; | |
| 2731 event.width = gdkEvent.area.width; | |
| 2732 event.height = gdkEvent.area.height; | |
| 2733 if ((style & SWT.MIRRORED) !is 0) event.x = getClientWidth () - event.width - event.x; | |
| 2734 GCData data = new GCData (); | |
| 2735 data.damageRgn = gdkEvent.region; | |
| 2736 GC gc = event.gc = GC.gtk_new (this, data); | |
| 2737 OS.gdk_gc_set_clip_region (gc.handle, gdkEvent.region); | |
| 2738 sendEvent (SWT.Paint, event); | |
| 2739 gc.dispose (); | |
| 2740 event.gc = null; | |
| 2741 return 0; | |
| 2742 } | |
| 2743 | |
| 2744 override int /*long*/ gtk_focus (GtkWidget* widget, int directionType) { | |
| 2745 /* Stop GTK traversal for every widget */ | |
| 2746 return 1; | |
| 2747 } | |
| 2748 | |
| 2749 override int /*long*/ gtk_focus_in_event (GtkWidget* widget, GdkEventFocus* event) { | |
| 2750 // widget could be disposed at this point | |
| 2751 if (handle !is null) { | |
| 2752 Control oldControl = display.imControl; | |
| 2753 if (oldControl !is this) { | |
| 2754 if (oldControl !is null && !oldControl.isDisposed ()) { | |
| 2755 auto oldIMHandle = oldControl.imHandle (); | |
| 2756 if (oldIMHandle !is null) OS.gtk_im_context_reset (oldIMHandle); | |
| 2757 } | |
| 2758 } | |
| 2759 if (hooks (SWT.KeyDown) || hooks (SWT.KeyUp)) { | |
| 2760 auto imHandle = imHandle (); | |
| 2761 if (imHandle !is null) OS.gtk_im_context_focus_in (imHandle); | |
| 2762 } | |
| 2763 } | |
| 2764 return 0; | |
| 2765 } | |
| 2766 | |
| 2767 override int /*long*/ gtk_focus_out_event (GtkWidget* widget, GdkEventFocus* event) { | |
| 2768 // widget could be disposed at this point | |
| 2769 if (handle !is null) { | |
| 2770 if (hooks (SWT.KeyDown) || hooks (SWT.KeyUp)) { | |
| 2771 auto imHandle = imHandle (); | |
| 2772 if (imHandle !is null) { | |
| 2773 OS.gtk_im_context_focus_out (imHandle); | |
| 2774 } | |
| 2775 } | |
| 2776 } | |
| 2777 return 0; | |
| 2778 } | |
| 2779 | |
| 2780 override int /*long*/ gtk_key_press_event (GtkWidget* widget, GdkEventKey* gdkEvent) { | |
| 2781 if (!hasFocus ()) return 0; | |
| 2782 | |
| 2783 if (translateMnemonic (gdkEvent.keyval, gdkEvent)) return 1; | |
| 2784 // widget could be disposed at this point | |
| 2785 if (isDisposed ()) return 0; | |
| 2786 | |
| 2787 if (filterKey (gdkEvent.keyval, gdkEvent)) return 1; | |
| 2788 // widget could be disposed at this point | |
| 2789 if (isDisposed ()) return 0; | |
| 2790 | |
| 2791 if (translateTraversal (gdkEvent)) return 1; | |
| 2792 // widget could be disposed at this point | |
| 2793 if (isDisposed ()) return 0; | |
| 2794 return super.gtk_key_press_event (widget, gdkEvent); | |
| 2795 } | |
| 2796 | |
| 2797 override int /*long*/ gtk_key_release_event (GtkWidget* widget, GdkEventKey* event) { | |
| 2798 if (!hasFocus ()) return 0; | |
| 2799 auto imHandle = imHandle (); | |
| 2800 if (imHandle !is null) { | |
| 2801 if (OS.gtk_im_context_filter_keypress (imHandle, event)) return 1; | |
| 2802 } | |
| 2803 return super.gtk_key_release_event (widget, event); | |
| 2804 } | |
| 2805 | |
| 2806 override int /*long*/ gtk_leave_notify_event (GtkWidget* widget, GdkEventCrossing* gdkEvent) { | |
| 2807 if (display.currentControl !is this) return 0; | |
| 2808 display.removeMouseHoverTimeout (handle); | |
| 2809 int result = 0; | |
| 2810 if (sendLeaveNotify () || display.getCursorControl () is null) { | |
| 2811 if (gdkEvent.mode !is OS.GDK_CROSSING_NORMAL && gdkEvent.mode !is OS.GDK_CROSSING_UNGRAB) return 0; | |
| 2812 if ((gdkEvent.state & (OS.GDK_BUTTON1_MASK | OS.GDK_BUTTON2_MASK | OS.GDK_BUTTON3_MASK)) !is 0) return 0; | |
| 2813 result = sendMouseEvent (SWT.MouseExit, 0, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; | |
| 2814 display.currentControl = null; | |
| 2815 } | |
| 2816 return result; | |
| 2817 } | |
| 2818 | |
| 2819 override int /*long*/ gtk_mnemonic_activate (GtkWidget* widget, int /*long*/ arg1) { | |
| 2820 int result = 0; | |
| 2821 auto eventPtr = OS.gtk_get_current_event (); | |
| 2822 if (eventPtr !is null) { | |
| 2823 GdkEventKey* keyEvent = cast(GdkEventKey*)eventPtr; | |
| 2824 if (keyEvent.type is OS.GDK_KEY_PRESS) { | |
| 2825 Control focusControl = display.getFocusControl (); | |
| 2826 auto focusHandle_ = focusControl !is null ? focusControl.focusHandle () : null; | |
| 2827 if (focusHandle_ !is null) { | |
| 2828 display.mnemonicControl = this; | |
| 2829 OS.gtk_widget_event (focusHandle_, eventPtr); | |
| 2830 display.mnemonicControl = null; | |
| 2831 } | |
| 2832 result = 1; | |
| 2833 } | |
| 2834 OS.gdk_event_free (eventPtr); | |
| 2835 } | |
| 2836 return result; | |
| 2837 } | |
| 2838 | |
| 2839 override int /*long*/ gtk_motion_notify_event (GtkWidget* widget, GdkEventMotion* gdkEvent) { | |
| 2840 if (this is display.currentControl && (hooks (SWT.MouseHover) || filters (SWT.MouseHover))) { | |
| 2841 display.addMouseHoverTimeout (handle); | |
| 2842 } | |
| 2843 double x = gdkEvent.x_root, y = gdkEvent.y_root; | |
| 2844 int state = gdkEvent.state; | |
| 2845 if (gdkEvent.is_hint !is 0) { | |
| 2846 int pointer_x, pointer_y; | |
| 2847 int mask; | |
| 2848 auto window = eventWindow (); | |
| 2849 OS.gdk_window_get_pointer (window, &pointer_x, &pointer_y, &mask); | |
| 2850 x = pointer_x; | |
| 2851 y = pointer_y; | |
| 2852 state = mask; | |
| 2853 } | |
| 2854 int result = sendMouseEvent (SWT.MouseMove, 0, gdkEvent.time, x, y, gdkEvent.is_hint !is 0, state) ? 0 : 1; | |
| 2855 return result; | |
| 2856 } | |
| 2857 | |
| 2858 override int /*long*/ gtk_popup_menu (GtkWidget* widget) { | |
| 2859 if (!hasFocus()) return 0; | |
| 2860 int x, y ; | |
| 2861 OS.gdk_window_get_pointer (null, &x, &y, null); | |
| 2862 return showMenu (x, y) ? 1 : 0; | |
| 2863 } | |
| 2864 | |
| 2865 override int /*long*/ gtk_preedit_changed (GtkIMContext* imcontext) { | |
| 2866 display.showIMWindow (this); | |
| 2867 return 0; | |
| 2868 } | |
| 2869 | |
| 2870 override int /*long*/ gtk_realize (GtkWidget* widget) { | |
| 2871 auto imHandle = imHandle (); | |
| 2872 if (imHandle !is null) { | |
| 2873 auto window = OS.GTK_WIDGET_WINDOW (paintHandle ()); | |
| 2874 OS.gtk_im_context_set_client_window (imHandle, window); | |
| 2875 } | |
| 2876 if (backgroundImage !is null) { | |
| 2877 auto window = OS.GTK_WIDGET_WINDOW (paintHandle ()); | |
| 2878 if (window !is null) OS.gdk_window_set_back_pixmap (window, cast(GdkPixmap*)backgroundImage.pixmap, false); | |
| 2879 } | |
| 2880 return 0; | |
| 2881 } | |
| 2882 | |
| 2883 override int /*long*/ gtk_scroll_event (GtkWidget* widget, GdkEventScroll* gdkEvent) { | |
| 2884 switch (cast(int)gdkEvent.direction) { | |
| 2885 case OS.GDK_SCROLL_UP: | |
| 2886 return sendMouseEvent (SWT.MouseWheel, 0, 3, SWT.SCROLL_LINE, true, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; | |
| 2887 case OS.GDK_SCROLL_DOWN: | |
| 2888 return sendMouseEvent (SWT.MouseWheel, 0, -3, SWT.SCROLL_LINE, true, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; | |
| 2889 case OS.GDK_SCROLL_LEFT: | |
| 2890 return sendMouseEvent (SWT.MouseDown, 4, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; | |
| 2891 case OS.GDK_SCROLL_RIGHT: | |
| 2892 return sendMouseEvent (SWT.MouseDown, 5, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; | |
| 2893 default: | |
| 2894 } | |
| 2895 return 0; | |
| 2896 } | |
| 2897 | |
| 2898 override int /*long*/ gtk_show_help (GtkWidget* widget, int /*long*/ helpType) { | |
| 2899 if (!hasFocus ()) return 0; | |
| 2900 return sendHelpEvent (helpType) ? 1 : 0; | |
| 2901 } | |
| 2902 | |
| 2903 override int /*long*/ gtk_style_set (GtkWidget* widget, int /*long*/ previousStyle) { | |
| 2904 if (backgroundImage !is null) { | |
| 2905 setBackgroundPixmap (backgroundImage.pixmap); | |
| 2906 } | |
| 2907 return 0; | |
| 2908 } | |
| 2909 | |
| 2910 override int /*long*/ gtk_unrealize (GtkWidget* widget) { | |
| 2911 auto imHandle = imHandle (); | |
| 2912 if (imHandle !is null) OS.gtk_im_context_set_client_window (imHandle, null); | |
| 2913 return 0; | |
| 2914 } | |
| 2915 | |
| 2916 override int /*long*/ gtk_visibility_notify_event (GtkWidget* widget, GdkEventVisibility* gdkEvent) { | |
| 2917 auto paintWindow = paintWindow(); | |
| 2918 auto window = gdkEvent.window; | |
| 2919 if (window is paintWindow) { | |
| 2920 if (gdkEvent.state is OS.GDK_VISIBILITY_FULLY_OBSCURED) { | |
| 2921 state |= OBSCURED; | |
| 2922 } else { | |
| 2923 if ((state & OBSCURED) !is 0) { | |
| 2924 int width, height; | |
| 2925 OS.gdk_drawable_get_size (cast(GdkDrawable*)window, &width, &height); | |
| 2926 GdkRectangle rect; | |
| 2927 rect.width = width; | |
| 2928 rect.height = height; | |
| 2929 OS.gdk_window_invalidate_rect (window, &rect, false); | |
| 2930 } | |
| 2931 state &= ~OBSCURED; | |
| 2932 } | |
| 2933 } | |
| 2934 return 0; | |
| 2935 } | |
| 2936 | |
| 2937 /*no override*/ void gtk_widget_size_request (GtkWidget* widget, GtkRequisition* requisition) { | |
| 2938 OS.gtk_widget_size_request (widget, requisition); | |
| 2939 } | |
| 2940 | |
| 2941 /** | |
| 2942 * Invokes platform specific functionality to allocate a new GC handle. | |
| 2943 * <p> | |
| 2944 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public | |
| 2945 * API for <code>Control</code>. It is marked public only so that it | |
| 2946 * can be shared within the packages provided by SWT. It is not | |
| 2947 * available on all platforms, and should never be called from | |
| 2948 * application code. | |
| 2949 * </p> | |
| 2950 * | |
| 2951 * @param data the platform specific GC data | |
| 2952 * @return the platform specific GC handle | |
| 2953 */ | |
| 2954 public GdkGC* internal_new_GC (GCData data) { | |
| 2955 checkWidget (); | |
| 2956 auto window = paintWindow (); | |
| 2957 if (window is null) SWT.error (SWT.ERROR_NO_HANDLES); | |
| 2958 auto gdkGC = OS.gdk_gc_new (cast(GdkDrawable*)window); | |
| 2959 if (gdkGC is null) error (SWT.ERROR_NO_HANDLES); | |
| 2960 if (data !is null) { | |
| 2961 int mask = SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT; | |
| 2962 if ((data.style & mask) is 0) { | |
| 2963 data.style |= style & (mask | SWT.MIRRORED); | |
| 2964 } else { | |
| 2965 if ((data.style & SWT.RIGHT_TO_LEFT) !is 0) { | |
| 2966 data.style |= SWT.MIRRORED; | |
| 2967 } | |
| 2968 } | |
| 2969 data.drawable = cast(GdkDrawable*)window; | |
| 2970 data.device = display; | |
| 2971 data.foreground = getForegroundColor (); | |
| 2972 Control control = findBackgroundControl (); | |
| 2973 if (control is null) control = this; | |
| 2974 data.background = control.getBackgroundColor (); | |
| 2975 data.font = font !is null ? font : defaultFont (); | |
| 2976 } | |
| 2977 return gdkGC; | |
| 2978 } | |
| 2979 | |
| 2980 GtkIMContext* imHandle () { | |
| 2981 return null; | |
| 2982 } | |
| 2983 | |
| 2984 /** | |
| 2985 * Invokes platform specific functionality to dispose a GC handle. | |
| 2986 * <p> | |
| 2987 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public | |
| 2988 * API for <code>Control</code>. It is marked public only so that it | |
| 2989 * can be shared within the packages provided by SWT. It is not | |
| 2990 * available on all platforms, and should never be called from | |
| 2991 * application code. | |
| 2992 * </p> | |
| 2993 * | |
| 2994 * @param hDC the platform specific GC handle | |
| 2995 * @param data the platform specific GC data | |
| 2996 */ | |
| 2997 public void internal_dispose_GC (GdkGC* gdkGC, GCData data) { | |
| 2998 checkWidget (); | |
| 2999 OS.g_object_unref (gdkGC); | |
| 3000 } | |
| 3001 | |
| 3002 /** | |
| 3003 * Returns <code>true</code> if the underlying operating | |
| 3004 * system supports this reparenting, otherwise <code>false</code> | |
| 3005 * | |
| 3006 * @return <code>true</code> if the widget can be reparented, otherwise <code>false</code> | |
| 3007 * | |
| 3008 * @exception SWTException <ul> | |
| 3009 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3010 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3011 * </ul> | |
| 3012 */ | |
| 3013 public bool isReparentable () { | |
| 3014 checkWidget(); | |
| 3015 return true; | |
| 3016 } | |
| 3017 bool isShowing () { | |
| 3018 /* | |
| 3019 * This is not complete. Need to check if the | |
| 3020 * widget is obscurred by a parent or sibling. | |
| 3021 */ | |
| 3022 if (!isVisible ()) return false; | |
| 3023 Control control = this; | |
| 3024 while (control !is null) { | |
| 3025 Point size = control.getSize (); | |
| 3026 if (size.x is 0 || size.y is 0) { | |
| 3027 return false; | |
| 3028 } | |
| 3029 control = control.parent; | |
| 3030 } | |
| 3031 return true; | |
| 3032 } | |
| 3033 bool isTabGroup () { | |
| 3034 Control [] tabList = parent._getTabList (); | |
| 3035 if (tabList !is null) { | |
| 3036 for (int i=0; i<tabList.length; i++) { | |
| 3037 if (tabList [i] is this) return true; | |
| 3038 } | |
| 3039 } | |
| 3040 int code = traversalCode (0, null); | |
| 3041 if ((code & (SWT.TRAVERSE_ARROW_PREVIOUS | SWT.TRAVERSE_ARROW_NEXT)) !is 0) return false; | |
| 3042 return (code & (SWT.TRAVERSE_TAB_PREVIOUS | SWT.TRAVERSE_TAB_NEXT)) !is 0; | |
| 3043 } | |
| 3044 bool isTabItem () { | |
| 3045 Control [] tabList = parent._getTabList (); | |
| 3046 if (tabList !is null) { | |
| 3047 for (int i=0; i<tabList.length; i++) { | |
| 3048 if (tabList [i] is this) return false; | |
| 3049 } | |
| 3050 } | |
| 3051 int code = traversalCode (0, null); | |
| 3052 return (code & (SWT.TRAVERSE_ARROW_PREVIOUS | SWT.TRAVERSE_ARROW_NEXT)) !is 0; | |
| 3053 } | |
| 3054 | |
| 3055 /** | |
| 3056 * Returns <code>true</code> if the receiver is enabled and all | |
| 3057 * ancestors up to and including the receiver's nearest ancestor | |
| 3058 * shell are enabled. Otherwise, <code>false</code> is returned. | |
| 3059 * A disabled control is typically not selectable from the user | |
| 3060 * interface and draws with an inactive or "grayed" look. | |
| 3061 * | |
| 3062 * @return the receiver's enabled state | |
| 3063 * | |
| 3064 * @exception SWTException <ul> | |
| 3065 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3066 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3067 * </ul> | |
| 3068 * | |
| 3069 * @see #getEnabled | |
| 3070 */ | |
| 3071 public bool isEnabled () { | |
| 3072 checkWidget (); | |
| 3073 return getEnabled () && parent.isEnabled (); | |
| 3074 } | |
| 3075 | |
| 3076 bool isFocusAncestor (Control control) { | |
| 3077 while (control !is null && control !is this && !( null !is cast(Shell)control )) { | |
| 3078 control = control.parent; | |
| 3079 } | |
| 3080 return control is this; | |
| 3081 } | |
| 3082 | |
| 3083 /** | |
| 3084 * Returns <code>true</code> if the receiver has the user-interface | |
| 3085 * focus, and <code>false</code> otherwise. | |
| 3086 * | |
| 3087 * @return the receiver's focus state | |
| 3088 * | |
| 3089 * @exception SWTException <ul> | |
| 3090 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3091 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3092 * </ul> | |
| 3093 */ | |
| 3094 public bool isFocusControl () { | |
| 3095 checkWidget(); | |
| 3096 Control focusControl = display.focusControl; | |
| 3097 if (focusControl !is null && !focusControl.isDisposed ()) { | |
| 3098 return this is focusControl; | |
| 3099 } | |
| 3100 return hasFocus (); | |
| 3101 } | |
| 3102 | |
| 3103 /** | |
| 3104 * Returns <code>true</code> if the receiver is visible and all | |
| 3105 * ancestors up to and including the receiver's nearest ancestor | |
| 3106 * shell are visible. Otherwise, <code>false</code> is returned. | |
| 3107 * | |
| 3108 * @return the receiver's visibility state | |
| 3109 * | |
| 3110 * @exception SWTException <ul> | |
| 3111 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3112 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3113 * </ul> | |
| 3114 * | |
| 3115 * @see #getVisible | |
| 3116 */ | |
| 3117 public bool isVisible () { | |
| 3118 checkWidget(); | |
| 3119 return getVisible () && parent.isVisible (); | |
| 3120 } | |
| 3121 | |
| 3122 Decorations menuShell () { | |
| 3123 return parent.menuShell (); | |
| 3124 } | |
| 3125 | |
| 3126 bool mnemonicHit (wchar key) { | |
| 3127 return false; | |
| 3128 } | |
| 3129 | |
| 3130 bool mnemonicMatch (wchar key) { | |
| 3131 return false; | |
| 3132 } | |
| 3133 | |
| 3134 override void register () { | |
| 3135 super.register (); | |
| 3136 if (fixedHandle !is null) display.addWidget (fixedHandle, this); | |
| 3137 auto imHandle = imHandle (); | |
| 3138 if (imHandle !is null) display.addWidget (cast(GtkWidget*)imHandle, this); | |
| 3139 } | |
| 3140 | |
| 3141 /** | |
| 3142 * Causes the entire bounds of the receiver to be marked | |
| 3143 * as needing to be redrawn. The next time a paint request | |
| 3144 * is processed, the control will be completely painted, | |
| 3145 * including the background. | |
| 3146 * | |
| 3147 * @exception SWTException <ul> | |
| 3148 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3149 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3150 * </ul> | |
| 3151 * | |
| 3152 * @see #update() | |
| 3153 * @see PaintListener | |
| 3154 * @see SWT#Paint | |
| 3155 * @see SWT#NO_BACKGROUND | |
| 3156 * @see SWT#NO_REDRAW_RESIZE | |
| 3157 * @see SWT#NO_MERGE_PAINTS | |
| 3158 * @see SWT#DOUBLE_BUFFERED | |
| 3159 */ | |
| 3160 public void redraw () { | |
| 3161 checkWidget(); | |
| 3162 redraw (false); | |
| 3163 } | |
| 3164 | |
| 3165 void redraw (bool all) { | |
| 3166 // checkWidget(); | |
| 3167 if (!OS.GTK_WIDGET_VISIBLE (topHandle ())) return; | |
| 3168 redrawWidget (0, 0, 0, 0, true, all, false); | |
| 3169 } | |
| 3170 | |
| 3171 /** | |
| 3172 * Causes the rectangular area of the receiver specified by | |
| 3173 * the arguments to be marked as needing to be redrawn. | |
| 3174 * The next time a paint request is processed, that area of | |
| 3175 * the receiver will be painted, including the background. | |
| 3176 * If the <code>all</code> flag is <code>true</code>, any | |
| 3177 * children of the receiver which intersect with the specified | |
| 3178 * area will also paint their intersecting areas. If the | |
| 3179 * <code>all</code> flag is <code>false</code>, the children | |
| 3180 * will not be painted. | |
| 3181 * | |
| 3182 * @param x the x coordinate of the area to draw | |
| 3183 * @param y the y coordinate of the area to draw | |
| 3184 * @param width the width of the area to draw | |
| 3185 * @param height the height of the area to draw | |
| 3186 * @param all <code>true</code> if children should redraw, and <code>false</code> otherwise | |
| 3187 * | |
| 3188 * @exception SWTException <ul> | |
| 3189 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3190 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3191 * </ul> | |
| 3192 * | |
| 3193 * @see #update() | |
| 3194 * @see PaintListener | |
| 3195 * @see SWT#Paint | |
| 3196 * @see SWT#NO_BACKGROUND | |
| 3197 * @see SWT#NO_REDRAW_RESIZE | |
| 3198 * @see SWT#NO_MERGE_PAINTS | |
| 3199 * @see SWT#DOUBLE_BUFFERED | |
| 3200 */ | |
| 3201 public void redraw (int x, int y, int width, int height, bool all) { | |
| 3202 checkWidget(); | |
| 3203 if (!OS.GTK_WIDGET_VISIBLE (topHandle ())) return; | |
| 3204 if ((style & SWT.MIRRORED) !is 0) x = getClientWidth () - width - x; | |
| 3205 redrawWidget (x, y, width, height, false, all, false); | |
| 3206 } | |
| 3207 | |
| 3208 void redrawChildren () { | |
| 3209 } | |
| 3210 | |
| 3211 void redrawWidget (int x, int y, int width, int height, bool redrawAll, bool all, bool trim) { | |
| 3212 if ((OS.GTK_WIDGET_FLAGS (handle) & OS.GTK_REALIZED) is 0) return; | |
| 3213 auto window = paintWindow (); | |
| 3214 GdkRectangle rect; | |
| 3215 if (redrawAll) { | |
| 3216 int w, h; | |
| 3217 OS.gdk_drawable_get_size (cast(GdkDrawable*)window, &w, &h); | |
| 3218 rect.width = w; | |
| 3219 rect.height = h; | |
| 3220 } else { | |
| 3221 rect.x = x; | |
| 3222 rect.y = y; | |
| 3223 rect.width = width; | |
| 3224 rect.height = height; | |
| 3225 } | |
| 3226 OS.gdk_window_invalidate_rect (window, &rect, all); | |
| 3227 } | |
| 3228 | |
| 3229 override void release (bool destroy) { | |
| 3230 Control next = null, previous = null; | |
| 3231 if (destroy && parent !is null) { | |
| 3232 Control[] children = parent._getChildren (); | |
| 3233 int index = 0; | |
| 3234 while (index < children.length) { | |
| 3235 if (children [index] is this) break; | |
| 3236 index++; | |
| 3237 } | |
| 3238 if (0 < index && (index + 1) < children.length) { | |
| 3239 next = children [index + 1]; | |
| 3240 previous = children [index - 1]; | |
| 3241 } | |
| 3242 } | |
| 3243 super.release (destroy); | |
| 3244 if (destroy) { | |
| 3245 if (previous !is null) previous.addRelation (next); | |
| 3246 } | |
| 3247 } | |
| 3248 | |
| 3249 override void releaseHandle () { | |
| 3250 super.releaseHandle (); | |
| 3251 fixedHandle = null; | |
| 3252 parent = null; | |
| 3253 } | |
| 3254 | |
| 3255 override void releaseParent () { | |
| 3256 parent.removeControl (this); | |
| 3257 } | |
| 3258 | |
| 3259 override void releaseWidget () { | |
| 3260 super.releaseWidget (); | |
| 3261 if (display.currentControl is this) display.currentControl = null; | |
| 3262 display.removeMouseHoverTimeout (handle); | |
| 3263 auto imHandle = imHandle (); | |
| 3264 if (imHandle !is null) { | |
| 3265 OS.gtk_im_context_reset (imHandle); | |
| 3266 OS.gtk_im_context_set_client_window (imHandle, null); | |
| 3267 } | |
| 3268 if (enableWindow !is null) { | |
| 3269 OS.gdk_window_set_user_data (enableWindow, null); | |
| 3270 OS.gdk_window_destroy (enableWindow); | |
| 3271 enableWindow = null; | |
| 3272 } | |
| 3273 redrawWindow = null; | |
| 3274 if (menu !is null && !menu.isDisposed ()) { | |
| 3275 menu.dispose (); | |
| 3276 } | |
| 3277 menu = null; | |
| 3278 cursor = null; | |
| 3279 toolTipText = null; | |
| 3280 layoutData = null; | |
| 3281 accessible = null; | |
| 3282 region = null; | |
| 3283 } | |
| 3284 | |
| 3285 bool sendDragEvent (int button, int stateMask, int x, int y, bool isStateMask) { | |
| 3286 Event event = new Event (); | |
| 3287 event.button = button; | |
| 3288 event.x = x; | |
| 3289 event.y = y; | |
| 3290 if ((style & SWT.MIRRORED) !is 0) event.x = getClientWidth () - event.x; | |
| 3291 if (isStateMask) { | |
| 3292 event.stateMask = stateMask; | |
| 3293 } else { | |
| 3294 setInputState (event, stateMask); | |
| 3295 } | |
| 3296 postEvent (SWT.DragDetect, event); | |
| 3297 if (isDisposed ()) return false; | |
| 3298 return event.doit; | |
| 3299 } | |
| 3300 | |
| 3301 void sendFocusEvent (int type) { | |
| 3302 Shell shell = _getShell (); | |
| 3303 Display display = this.display; | |
| 3304 display.focusControl = this; | |
| 3305 display.focusEvent = type; | |
| 3306 sendEvent (type); | |
| 3307 display.focusControl = null; | |
| 3308 display.focusEvent = SWT.None; | |
| 3309 /* | |
| 3310 * It is possible that the shell may be | |
| 3311 * disposed at this point. If this happens | |
| 3312 * don't send the activate and deactivate | |
| 3313 * events. | |
| 3314 */ | |
| 3315 if (!shell.isDisposed ()) { | |
| 3316 switch (type) { | |
| 3317 case SWT.FocusIn: | |
| 3318 shell.setActiveControl (this); | |
| 3319 break; | |
| 3320 case SWT.FocusOut: | |
| 3321 if (shell !is display.activeShell) { | |
| 3322 shell.setActiveControl (null); | |
| 3323 } | |
| 3324 break; | |
| 3325 default: | |
| 3326 } | |
| 3327 } | |
| 3328 } | |
| 3329 | |
| 3330 bool sendHelpEvent (int /*long*/ helpType) { | |
| 3331 Control control = this; | |
| 3332 while (control !is null) { | |
| 3333 if (control.hooks (SWT.Help)) { | |
| 3334 control.postEvent (SWT.Help); | |
| 3335 return true; | |
| 3336 } | |
| 3337 control = control.parent; | |
| 3338 } | |
| 3339 return false; | |
| 3340 } | |
| 3341 | |
| 3342 bool sendLeaveNotify() { | |
| 3343 return false; | |
| 3344 } | |
| 3345 | |
| 3346 bool sendMouseEvent (int type, int button, int time, double x, double y, bool is_hint, int state) { | |
| 3347 return sendMouseEvent (type, button, 0, 0, false, time, x, y, is_hint, state); | |
| 3348 } | |
| 3349 | |
| 3350 bool sendMouseEvent (int type, int button, int count, int detail, bool send, int time, double x, double y, bool is_hint, int state) { | |
| 3351 if (!hooks (type) && !filters (type)) return true; | |
| 3352 Event event = new Event (); | |
| 3353 event.time = time; | |
| 3354 event.button = button; | |
| 3355 event.detail = detail; | |
| 3356 event.count = count; | |
| 3357 if (is_hint) { | |
| 3358 event.x = cast(int)x; | |
| 3359 event.y = cast(int)y; | |
| 3360 } else { | |
| 3361 auto window = eventWindow (); | |
| 3362 int origin_x, origin_y; | |
| 3363 OS.gdk_window_get_origin (window, &origin_x, &origin_y); | |
| 3364 event.x = cast(int)x - origin_x; | |
| 3365 event.y = cast(int)y - origin_y; | |
| 3366 } | |
| 3367 if ((style & SWT.MIRRORED) !is 0) event.x = getClientWidth () - event.x; | |
| 3368 setInputState (event, state); | |
| 3369 if (send) { | |
| 3370 sendEvent (type, event); | |
| 3371 if (isDisposed ()) return false; | |
| 3372 } else { | |
| 3373 postEvent (type, event); | |
| 3374 } | |
| 3375 return event.doit; | |
| 3376 } | |
| 3377 | |
| 3378 void setBackground () { | |
| 3379 if ((state & PARENT_BACKGROUND) !is 0 && (state & BACKGROUND) is 0 && backgroundImage is null) { | |
| 3380 setParentBackground (); | |
| 3381 } else { | |
| 3382 setWidgetBackground (); | |
| 3383 } | |
| 3384 redrawWidget (0, 0, 0, 0, true, false, false); | |
| 3385 } | |
| 3386 | |
| 3387 /** | |
| 3388 * Sets the receiver's background color to the color specified | |
| 3389 * by the argument, or to the default system color for the control | |
| 3390 * if the argument is null. | |
| 3391 * <p> | |
| 3392 * Note: This operation is a hint and may be overridden by the platform. | |
| 3393 * For example, on Windows the background of a Button cannot be changed. | |
| 3394 * </p> | |
| 3395 * @param color the new color (or null) | |
| 3396 * | |
| 3397 * @exception IllegalArgumentException <ul> | |
| 3398 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 3399 * </ul> | |
| 3400 * @exception SWTException <ul> | |
| 3401 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3402 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3403 * </ul> | |
| 3404 */ | |
| 3405 public void setBackground (Color color) { | |
| 3406 checkWidget(); | |
| 3407 if (((state & BACKGROUND) is 0) && color is null) return; | |
| 3408 GdkColor* gdkColor = null; | |
| 3409 if (color !is null) { | |
| 3410 if (color.isDisposed ()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3411 gdkColor = color.handle; | |
| 3412 } | |
| 3413 bool set = false; | |
| 3414 if (gdkColor is null) { | |
| 3415 auto style = OS.gtk_widget_get_modifier_style (handle); | |
| 3416 set = (OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_NORMAL) & OS.GTK_RC_BG) !is 0; | |
| 3417 } else { | |
| 3418 GdkColor* oldColor = getBackgroundColor (); | |
| 3419 set = oldColor.pixel !is gdkColor.pixel; | |
| 3420 } | |
| 3421 if (set) { | |
| 3422 if (color is null) { | |
| 3423 state &= ~BACKGROUND; | |
| 3424 } else { | |
| 3425 state |= BACKGROUND; | |
| 3426 } | |
| 3427 setBackgroundColor (gdkColor); | |
| 3428 redrawChildren (); | |
| 3429 } | |
| 3430 } | |
| 3431 | |
| 3432 void setBackgroundColor (GtkWidget* handle, GdkColor* color) { | |
| 3433 int index = OS.GTK_STATE_NORMAL; | |
| 3434 auto style = OS.gtk_widget_get_modifier_style (handle); | |
| 3435 auto ptr = OS.gtk_rc_style_get_bg_pixmap_name (style, index); | |
| 3436 if (ptr !is null) OS.g_free (ptr); | |
| 3437 String name = color is null ? "<parent>" : "<none>" ; | |
| 3438 ptr = cast(char*)OS.g_malloc (name.length+1); | |
| 3439 ptr[ 0 .. name.length ] = name; | |
| 3440 ptr[ name.length ] = '\0'; | |
| 3441 OS.gtk_rc_style_set_bg_pixmap_name (style, index, ptr); | |
| 3442 OS.gtk_rc_style_set_bg (style, index, color); | |
| 3443 int flags = OS.gtk_rc_style_get_color_flags (style, index); | |
| 3444 flags = (color is null) ? flags & ~OS.GTK_RC_BG : flags | OS.GTK_RC_BG; | |
| 3445 OS.gtk_rc_style_set_color_flags (style, index, flags); | |
| 3446 modifyStyle (handle, style); | |
| 3447 } | |
| 3448 | |
| 3449 void setBackgroundColor (GdkColor* color) { | |
| 3450 setBackgroundColor (handle, color); | |
| 3451 } | |
| 3452 | |
| 3453 /** | |
| 3454 * Sets the receiver's background image to the image specified | |
| 3455 * by the argument, or to the default system color for the control | |
| 3456 * if the argument is null. The background image is tiled to fill | |
| 3457 * the available space. | |
| 3458 * <p> | |
| 3459 * Note: This operation is a hint and may be overridden by the platform. | |
| 3460 * For example, on Windows the background of a Button cannot be changed. | |
| 3461 * </p> | |
| 3462 * @param image the new image (or null) | |
| 3463 * | |
| 3464 * @exception IllegalArgumentException <ul> | |
| 3465 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 3466 * <li>ERROR_INVALID_ARGUMENT - if the argument is not a bitmap</li> | |
| 3467 * </ul> | |
| 3468 * @exception SWTException <ul> | |
| 3469 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3470 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3471 * </ul> | |
| 3472 * | |
| 3473 * @since 3.2 | |
| 3474 */ | |
| 3475 public void setBackgroundImage (Image image) { | |
| 3476 checkWidget (); | |
| 3477 if (image !is null && image.isDisposed ()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3478 if (image is backgroundImage) return; | |
| 3479 this.backgroundImage = image; | |
| 3480 if (backgroundImage !is null) { | |
| 3481 setBackgroundPixmap (backgroundImage.pixmap); | |
| 3482 redrawWidget (0, 0, 0, 0, true, false, false); | |
| 3483 } else { | |
| 3484 setWidgetBackground (); | |
| 3485 } | |
| 3486 redrawChildren (); | |
| 3487 } | |
| 3488 | |
| 3489 void setBackgroundPixmap (GdkDrawable* pixmap) { | |
| 3490 auto window = OS.GTK_WIDGET_WINDOW (paintHandle ()); | |
| 3491 if (window !is null) OS.gdk_window_set_back_pixmap (window, cast(GdkPixmap*)backgroundImage.pixmap, false); | |
| 3492 } | |
| 3493 | |
| 3494 /** | |
| 3495 * If the argument is <code>true</code>, causes the receiver to have | |
| 3496 * all mouse events delivered to it until the method is called with | |
| 3497 * <code>false</code> as the argument. Note that on some platforms, | |
| 3498 * a mouse button must currently be down for capture to be assigned. | |
| 3499 * | |
| 3500 * @param capture <code>true</code> to capture the mouse, and <code>false</code> to release it | |
| 3501 * | |
| 3502 * @exception SWTException <ul> | |
| 3503 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3504 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3505 * </ul> | |
| 3506 */ | |
| 3507 public void setCapture (bool capture) { | |
| 3508 checkWidget(); | |
| 3509 /* FIXME !!!!! */ | |
| 3510 /* | |
| 3511 if (capture) { | |
| 3512 OS.gtk_widget_grab_focus (handle); | |
| 3513 } else { | |
| 3514 OS.gtk_widget_grab_default (handle); | |
| 3515 } | |
| 3516 */ | |
| 3517 } | |
| 3518 /** | |
| 3519 * Sets the receiver's cursor to the cursor specified by the | |
| 3520 * argument, or to the default cursor for that kind of control | |
| 3521 * if the argument is null. | |
| 3522 * <p> | |
| 3523 * When the mouse pointer passes over a control its appearance | |
| 3524 * is changed to match the control's cursor. | |
| 3525 * </p> | |
| 3526 * | |
| 3527 * @param cursor the new cursor (or null) | |
| 3528 * | |
| 3529 * @exception IllegalArgumentException <ul> | |
| 3530 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 3531 * </ul> | |
| 3532 * @exception SWTException <ul> | |
| 3533 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3534 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3535 * </ul> | |
| 3536 */ | |
| 3537 public void setCursor (Cursor cursor) { | |
| 3538 checkWidget(); | |
| 3539 if (cursor !is null && cursor.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); | |
| 3540 this.cursor = cursor; | |
| 3541 gtk_setCursor (cursor !is null ? cursor.handle : null); | |
| 3542 } | |
| 3543 | |
| 3544 void gtk_setCursor (GdkCursor* cursor) { | |
| 3545 auto window = eventWindow (); | |
| 3546 if (window !is null) { | |
| 3547 OS.gdk_window_set_cursor (window, cursor); | |
| 3548 if (!OS.GDK_WINDOWING_X11 ()) { | |
| 3549 OS.gdk_flush (); | |
| 3550 } else { | |
| 3551 auto xDisplay = OS.GDK_DISPLAY (); | |
| 3552 OS.XFlush (xDisplay); | |
| 3553 } | |
| 3554 } | |
| 3555 } | |
| 3556 | |
| 3557 /** | |
| 3558 * Sets the receiver's drag detect state. If the argument is | |
| 3559 * <code>true</code>, the receiver will detect drag gestures, | |
| 3560 * otherwise these gestures will be ignored. | |
| 3561 * | |
| 3562 * @param dragDetect the new drag detect state | |
| 3563 * | |
| 3564 * @exception SWTException <ul> | |
| 3565 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3566 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3567 * </ul> | |
| 3568 * | |
| 3569 * @since 3.3 | |
| 3570 */ | |
| 3571 public void setDragDetect (bool dragDetect) { | |
| 3572 checkWidget (); | |
| 3573 if (dragDetect) { | |
| 3574 state |= DRAG_DETECT; | |
| 3575 } else { | |
| 3576 state &= ~DRAG_DETECT; | |
| 3577 } | |
| 3578 } | |
| 3579 | |
| 3580 /** | |
| 3581 * Enables the receiver if the argument is <code>true</code>, | |
| 3582 * and disables it otherwise. A disabled control is typically | |
| 3583 * not selectable from the user interface and draws with an | |
| 3584 * inactive or "grayed" look. | |
| 3585 * | |
| 3586 * @param enabled the new enabled state | |
| 3587 * | |
| 3588 * @exception SWTException <ul> | |
| 3589 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3590 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3591 * </ul> | |
| 3592 */ | |
| 3593 public void setEnabled (bool enabled) { | |
| 3594 checkWidget(); | |
| 3595 if (((state & DISABLED) is 0) is enabled) return; | |
| 3596 Control control = null; | |
| 3597 bool fixFocus_ = false; | |
| 3598 if (!enabled) { | |
| 3599 if (display.focusEvent !is SWT.FocusOut) { | |
| 3600 control = display.getFocusControl (); | |
| 3601 fixFocus_ = isFocusAncestor (control); | |
| 3602 } | |
| 3603 } | |
| 3604 if (enabled) { | |
| 3605 state &= ~DISABLED; | |
| 3606 } else { | |
| 3607 state |= DISABLED; | |
| 3608 } | |
| 3609 enableWidget (enabled); | |
| 3610 if (isDisposed ()) return; | |
| 3611 if (enabled) { | |
| 3612 if (enableWindow !is null) { | |
| 3613 OS.gdk_window_set_user_data (enableWindow, null); | |
| 3614 OS.gdk_window_destroy (enableWindow); | |
| 3615 enableWindow = null; | |
| 3616 } | |
| 3617 } else { | |
| 3618 OS.gtk_widget_realize (handle); | |
| 3619 auto parentHandle = parent.eventHandle (); | |
| 3620 auto window = parent.eventWindow(); | |
| 3621 auto topHandle_ = topHandle (); | |
| 3622 GdkWindowAttr attributes; | |
| 3623 attributes.x = OS.GTK_WIDGET_X (topHandle_); | |
| 3624 attributes.y = OS.GTK_WIDGET_Y (topHandle_); | |
| 3625 attributes.width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); | |
| 3626 attributes.height = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (topHandle_); | |
| 3627 attributes.event_mask = (0xFFFFFFFF & ~OS.ExposureMask); | |
| 3628 attributes.wclass = OS.GDK_INPUT_ONLY; | |
| 3629 attributes.window_type = OS.GDK_WINDOW_CHILD; | |
| 3630 enableWindow = OS.gdk_window_new (window, &attributes, OS.GDK_WA_X | OS.GDK_WA_Y); | |
| 3631 if (enableWindow !is null) { | |
| 3632 OS.gdk_window_set_user_data (enableWindow, parentHandle); | |
| 3633 if (!OS.GDK_WINDOWING_X11 ()) { | |
| 3634 OS.gdk_window_raise (enableWindow); | |
| 3635 } else { | |
| 3636 auto topWindow = OS.GTK_WIDGET_WINDOW (topHandle_); | |
| 3637 auto xDisplay = OS.gdk_x11_drawable_get_xdisplay (cast(GdkDrawable*)topWindow); | |
| 3638 auto xWindow = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)enableWindow); | |
| 3639 int xScreen = OS.XDefaultScreen (xDisplay); | |
| 3640 int flags = OS.CWStackMode | OS.CWSibling; | |
| 3641 XWindowChanges changes; | |
| 3642 changes.sibling = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)topWindow); | |
| 3643 changes.stack_mode = OS.Above; | |
| 3644 OS.XReconfigureWMWindow (xDisplay, xWindow, xScreen, flags, &changes); | |
| 3645 } | |
| 3646 if (OS.GTK_WIDGET_VISIBLE (topHandle_)) OS.gdk_window_show_unraised (enableWindow); | |
| 3647 } | |
| 3648 } | |
| 3649 if (fixFocus_) fixFocus (control); | |
| 3650 } | |
| 3651 | |
| 3652 /** | |
| 3653 * Causes the receiver to have the <em>keyboard focus</em>, | |
| 3654 * such that all keyboard events will be delivered to it. Focus | |
| 3655 * reassignment will respect applicable platform constraints. | |
| 3656 * | |
| 3657 * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to. | |
| 3658 * | |
| 3659 * @exception SWTException <ul> | |
| 3660 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3661 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3662 * </ul> | |
| 3663 * | |
| 3664 * @see #forceFocus | |
| 3665 */ | |
| 3666 public bool setFocus () { | |
| 3667 checkWidget(); | |
| 3668 if ((style & SWT.NO_FOCUS) !is 0) return false; | |
| 3669 return forceFocus (); | |
| 3670 } | |
| 3671 | |
| 3672 /** | |
| 3673 * Sets the font that the receiver will use to paint textual information | |
| 3674 * to the font specified by the argument, or to the default font for that | |
| 3675 * kind of control if the argument is null. | |
| 3676 * | |
| 3677 * @param font the new font (or null) | |
| 3678 * | |
| 3679 * @exception IllegalArgumentException <ul> | |
| 3680 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 3681 * </ul> | |
| 3682 * @exception SWTException <ul> | |
| 3683 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3684 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3685 * </ul> | |
| 3686 */ | |
| 3687 public void setFont (Font font) { | |
| 3688 checkWidget(); | |
| 3689 if (((state & FONT) is 0) && font is null) return; | |
| 3690 this.font = font; | |
| 3691 PangoFontDescription* fontDesc; | |
| 3692 if (font is null) { | |
| 3693 fontDesc = defaultFont ().handle; | |
| 3694 } else { | |
| 3695 if (font.isDisposed ()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3696 fontDesc = font.handle; | |
| 3697 } | |
| 3698 if (font is null) { | |
| 3699 state &= ~FONT; | |
| 3700 } else { | |
| 3701 state |= FONT; | |
| 3702 } | |
| 3703 setFontDescription (fontDesc); | |
| 3704 } | |
| 3705 | |
| 3706 void setFontDescription (PangoFontDescription* font) { | |
| 3707 OS.gtk_widget_modify_font (handle, font); | |
| 3708 } | |
| 3709 | |
| 3710 /** | |
| 3711 * Sets the receiver's foreground color to the color specified | |
| 3712 * by the argument, or to the default system color for the control | |
| 3713 * if the argument is null. | |
| 3714 * <p> | |
| 3715 * Note: This operation is a hint and may be overridden by the platform. | |
| 3716 * </p> | |
| 3717 * @param color the new color (or null) | |
| 3718 * | |
| 3719 * @exception IllegalArgumentException <ul> | |
| 3720 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 3721 * </ul> | |
| 3722 * @exception SWTException <ul> | |
| 3723 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3724 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3725 * </ul> | |
| 3726 */ | |
| 3727 public void setForeground (Color color) { | |
| 3728 checkWidget(); | |
| 3729 if (((state & FOREGROUND) is 0) && color is null) return; | |
| 3730 GdkColor* gdkColor = null; | |
| 3731 if (color !is null) { | |
| 3732 if (color.isDisposed ()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3733 gdkColor = color.handle; | |
| 3734 } | |
| 3735 bool set = false; | |
| 3736 if (gdkColor is null) { | |
| 3737 auto style = OS.gtk_widget_get_modifier_style (handle); | |
| 3738 set = (OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_NORMAL) & OS.GTK_RC_FG) !is 0; | |
| 3739 } else { | |
| 3740 GdkColor* oldColor = getForegroundColor (); | |
| 3741 set = oldColor.pixel !is gdkColor.pixel; | |
| 3742 } | |
| 3743 if (set) { | |
| 3744 if (color is null) { | |
| 3745 state &= ~FOREGROUND; | |
| 3746 } else { | |
| 3747 state |= FOREGROUND; | |
| 3748 } | |
| 3749 setForegroundColor (gdkColor); | |
| 3750 } | |
| 3751 } | |
| 3752 | |
| 3753 void setForegroundColor (GdkColor* color) { | |
| 3754 setForegroundColor (handle, color); | |
| 3755 } | |
| 3756 | |
| 3757 void setInitialBounds () { | |
| 3758 if ((state & ZERO_WIDTH) !is 0 && (state & ZERO_HEIGHT) !is 0) { | |
| 3759 /* | |
| 3760 * Feature in GTK. On creation, each widget's allocation is | |
| 3761 * initialized to a position of (-1, -1) until the widget is | |
| 3762 * first sized. The fix is to set the value to (0, 0) as | |
| 3763 * expected by SWT. | |
| 3764 */ | |
| 3765 auto topHandle_ = topHandle (); | |
| 3766 if ((parent.style & SWT.MIRRORED) !is 0) { | |
| 3767 OS.GTK_WIDGET_SET_X (topHandle_, parent.getClientWidth ()); | |
| 3768 } else { | |
| 3769 OS.GTK_WIDGET_SET_X (topHandle_, 0); | |
| 3770 } | |
| 3771 OS.GTK_WIDGET_SET_Y (topHandle_, 0); | |
| 3772 } else { | |
| 3773 resizeHandle (1, 1); | |
| 3774 forceResize (); | |
| 3775 } | |
| 3776 } | |
| 3777 | |
| 3778 /** | |
| 3779 * Sets the receiver's pop up menu to the argument. | |
| 3780 * All controls may optionally have a pop up | |
| 3781 * menu that is displayed when the user requests one for | |
| 3782 * the control. The sequence of key strokes, button presses | |
| 3783 * and/or button releases that are used to request a pop up | |
| 3784 * menu is platform specific. | |
| 3785 * <p> | |
| 3786 * Note: Disposing of a control that has a pop up menu will | |
| 3787 * dispose of the menu. To avoid this behavior, set the | |
| 3788 * menu to null before the control is disposed. | |
| 3789 * </p> | |
| 3790 * | |
| 3791 * @param menu the new pop up menu | |
| 3792 * | |
| 3793 * @exception IllegalArgumentException <ul> | |
| 3794 * <li>ERROR_MENU_NOT_POP_UP - the menu is not a pop up menu</li> | |
| 3795 * <li>ERROR_INVALID_PARENT - if the menu is not in the same widget tree</li> | |
| 3796 * <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed</li> | |
| 3797 * </ul> | |
| 3798 * @exception SWTException <ul> | |
| 3799 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3800 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3801 * </ul> | |
| 3802 */ | |
| 3803 public void setMenu (Menu menu) { | |
| 3804 checkWidget(); | |
| 3805 if (menu !is null) { | |
| 3806 if ((menu.style & SWT.POP_UP) is 0) { | |
| 3807 error (SWT.ERROR_MENU_NOT_POP_UP); | |
| 3808 } | |
| 3809 if (menu.parent !is menuShell ()) { | |
| 3810 error (SWT.ERROR_INVALID_PARENT); | |
| 3811 } | |
| 3812 } | |
| 3813 this.menu = menu; | |
| 3814 } | |
| 3815 | |
| 3816 override void setOrientation () { | |
| 3817 if ((style & SWT.RIGHT_TO_LEFT) !is 0) { | |
| 3818 if (handle !is null) OS.gtk_widget_set_direction (handle, OS.GTK_TEXT_DIR_RTL); | |
| 3819 if (fixedHandle !is null) OS.gtk_widget_set_direction (fixedHandle, OS.GTK_TEXT_DIR_RTL); | |
| 3820 } | |
| 3821 } | |
| 3822 | |
| 3823 /** | |
| 3824 * Changes the parent of the widget to be the one provided if | |
| 3825 * the underlying operating system supports this feature. | |
| 3826 * Returns <code>true</code> if the parent is successfully changed. | |
| 3827 * | |
| 3828 * @param parent the new parent for the control. | |
| 3829 * @return <code>true</code> if the parent is changed and <code>false</code> otherwise. | |
| 3830 * | |
| 3831 * @exception IllegalArgumentException <ul> | |
| 3832 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 3833 * <li>ERROR_NULL_ARGUMENT - if the parent is <code>null</code></li> | |
| 3834 * </ul> | |
| 3835 * @exception SWTException <ul> | |
| 3836 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3837 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3838 * </ul> | |
| 3839 */ | |
| 3840 public bool setParent (Composite parent) { | |
| 3841 checkWidget (); | |
| 3842 if (parent is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 3843 if (parent.isDisposed()) SWT.error (SWT.ERROR_INVALID_ARGUMENT); | |
| 3844 if (this.parent is parent) return true; | |
| 3845 if (!isReparentable ()) return false; | |
| 3846 auto topHandle_ = topHandle (); | |
| 3847 int x = OS.GTK_WIDGET_X (topHandle_); | |
| 3848 int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); | |
| 3849 if ((this.parent.style & SWT.MIRRORED) !is 0) { | |
| 3850 x = this.parent.getClientWidth () - width - x; | |
| 3851 } | |
| 3852 if ((parent.style & SWT.MIRRORED) !is 0) { | |
| 3853 x = parent.getClientWidth () - width - x; | |
| 3854 } | |
| 3855 int y = OS.GTK_WIDGET_Y (topHandle_); | |
| 3856 releaseParent (); | |
| 3857 Shell newShell = parent.getShell (), oldShell = getShell (); | |
| 3858 Decorations newDecorations = parent.menuShell (), oldDecorations = menuShell (); | |
| 3859 Menu [] menus = oldShell.findMenus (this); | |
| 3860 if (oldShell !is newShell || oldDecorations !is newDecorations) { | |
| 3861 fixChildren (newShell, oldShell, newDecorations, oldDecorations, menus); | |
| 3862 newDecorations.fixAccelGroup (); | |
| 3863 oldDecorations.fixAccelGroup (); | |
| 3864 } | |
| 3865 auto newParent = parent.parentingHandle(); | |
| 3866 OS.gtk_widget_reparent (topHandle_, newParent); | |
| 3867 OS.gtk_fixed_move (cast(GtkFixed*)newParent, topHandle_, x, y); | |
| 3868 this.parent = parent; | |
| 3869 setZOrder (null, false, true); | |
| 3870 return true; | |
| 3871 } | |
| 3872 | |
| 3873 void setParentBackground () { | |
| 3874 setBackgroundColor (handle, null); | |
| 3875 if (fixedHandle !is null) setBackgroundColor (fixedHandle, null); | |
| 3876 } | |
| 3877 | |
| 3878 void setParentWindow (GtkWidget* widget) { | |
| 3879 } | |
| 3880 | |
| 3881 bool setRadioSelection (bool value) { | |
| 3882 return false; | |
| 3883 } | |
| 3884 | |
| 3885 /** | |
| 3886 * If the argument is <code>false</code>, causes subsequent drawing | |
| 3887 * operations in the receiver to be ignored. No drawing of any kind | |
| 3888 * can occur in the receiver until the flag is set to true. | |
| 3889 * Graphics operations that occurred while the flag was | |
| 3890 * <code>false</code> are lost. When the flag is set to <code>true</code>, | |
| 3891 * the entire widget is marked as needing to be redrawn. Nested calls | |
| 3892 * to this method are stacked. | |
| 3893 * <p> | |
| 3894 * Note: This operation is a hint and may not be supported on some | |
| 3895 * platforms or for some widgets. | |
| 3896 * </p> | |
| 3897 * | |
| 3898 * @param redraw the new redraw state | |
| 3899 * | |
| 3900 * @exception SWTException <ul> | |
| 3901 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3902 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3903 * </ul> | |
| 3904 * | |
| 3905 * @see #redraw(int, int, int, int, bool) | |
| 3906 * @see #update() | |
| 3907 */ | |
| 3908 public void setRedraw (bool redraw) { | |
| 3909 checkWidget(); | |
| 3910 if (redraw) { | |
| 3911 if (--drawCount is 0) { | |
| 3912 if (redrawWindow !is null) { | |
| 3913 auto window = paintWindow (); | |
| 3914 /* Explicitly hiding the window avoids flicker on GTK+ >= 2.6 */ | |
| 3915 OS.gdk_window_hide (redrawWindow); | |
| 3916 OS.gdk_window_destroy (redrawWindow); | |
| 3917 OS.gdk_window_set_events (window, OS.gtk_widget_get_events (paintHandle ())); | |
| 3918 redrawWindow = null; | |
| 3919 } | |
| 3920 } | |
| 3921 } else { | |
| 3922 if (drawCount++ is 0) { | |
| 3923 if ((OS.GTK_WIDGET_FLAGS (handle) & OS.GTK_REALIZED) !is 0) { | |
| 3924 auto window = paintWindow (); | |
| 3925 Rectangle rect = getBounds (); | |
| 3926 GdkWindowAttr attributes; | |
| 3927 attributes.width = rect.width; | |
| 3928 attributes.height = rect.height; | |
| 3929 attributes.event_mask = OS.GDK_EXPOSURE_MASK; | |
| 3930 attributes.window_type = OS.GDK_WINDOW_CHILD; | |
| 3931 redrawWindow = OS.gdk_window_new (window, &attributes, 0); | |
| 3932 if (redrawWindow !is null) { | |
| 3933 int mouseMask = OS.GDK_BUTTON_PRESS_MASK | OS.GDK_BUTTON_RELEASE_MASK | | |
| 3934 OS.GDK_ENTER_NOTIFY_MASK | OS.GDK_LEAVE_NOTIFY_MASK | | |
| 3935 OS.GDK_POINTER_MOTION_MASK | OS.GDK_POINTER_MOTION_HINT_MASK | | |
| 3936 OS.GDK_BUTTON_MOTION_MASK | OS.GDK_BUTTON1_MOTION_MASK | | |
| 3937 OS.GDK_BUTTON2_MOTION_MASK | OS.GDK_BUTTON3_MOTION_MASK; | |
| 3938 OS.gdk_window_set_events (window, OS.gdk_window_get_events (window) & ~mouseMask); | |
| 3939 OS.gdk_window_set_back_pixmap (redrawWindow, null, false); | |
| 3940 OS.gdk_window_show (redrawWindow); | |
| 3941 } | |
| 3942 } | |
| 3943 } | |
| 3944 } | |
| 3945 } | |
| 3946 | |
| 3947 bool setTabGroupFocus (bool next) { | |
| 3948 return setTabItemFocus (next); | |
| 3949 } | |
| 3950 bool setTabItemFocus (bool next) { | |
| 3951 if (!isShowing ()) return false; | |
| 3952 return forceFocus (); | |
| 3953 } | |
| 3954 | |
| 3955 /** | |
| 3956 * Sets the receiver's tool tip text to the argument, which | |
| 3957 * may be null indicating that no tool tip text should be shown. | |
| 3958 * | |
| 3959 * @param str the new tool tip text (or null) | |
| 3960 * | |
| 3961 * @exception SWTException <ul> | |
| 3962 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3963 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3964 * </ul> | |
| 3965 */ | |
| 3966 public void setToolTipText (String str) { | |
| 3967 checkWidget(); | |
| 3968 setToolTipText (_getShell (), str); | |
| 3969 toolTipText = str; | |
| 3970 } | |
| 3971 | |
| 3972 void setToolTipText (Shell shell, String newString) { | |
| 3973 if (OS.GTK_VERSION >= OS.buildVERSION (2, 12, 0)) { | |
| 3974 /* | |
| 3975 * Feature in GTK. In order to prevent children widgets | |
| 3976 * from inheriting their parent's tooltip, the tooltip is | |
| 3977 * a set on a shell only. In order to force the shell tooltip | |
| 3978 * to update when a new tip string is set, the existing string | |
| 3979 * in the tooltip is set to null, followed by running a query. | |
| 3980 * The real tip text can then be set. | |
| 3981 * | |
| 3982 * Note that this will only run if the control for which the | |
| 3983 * tooltip is being set is the current control (i.e. the control | |
| 3984 * under the pointer). | |
| 3985 */ | |
| 3986 if (display.currentControl is this) { | |
| 3987 shell.setToolTipText (shell.handle, eventHandle (), newString); | |
| 3988 } | |
| 3989 } else { | |
| 3990 shell.setToolTipText (eventHandle (), newString); | |
| 3991 } | |
| 3992 } | |
| 3993 | |
| 3994 /** | |
| 3995 * Marks the receiver as visible if the argument is <code>true</code>, | |
| 3996 * and marks it invisible otherwise. | |
| 3997 * <p> | |
| 3998 * If one of the receiver's ancestors is not visible or some | |
| 3999 * other condition makes the receiver not visible, marking | |
| 4000 * it visible may not actually cause it to be displayed. | |
| 4001 * </p> | |
| 4002 * | |
| 4003 * @param visible the new visibility state | |
| 4004 * | |
| 4005 * @exception SWTException <ul> | |
| 4006 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 4007 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 4008 * </ul> | |
| 4009 */ | |
| 4010 public void setVisible (bool visible) { | |
| 4011 checkWidget(); | |
| 4012 if (((state & HIDDEN) is 0) is visible) return; | |
| 4013 auto topHandle_ = topHandle(); | |
| 4014 if (visible) { | |
| 4015 /* | |
| 4016 * It is possible (but unlikely), that application | |
| 4017 * code could have disposed the widget in the show | |
| 4018 * event. If this happens, just return. | |
| 4019 */ | |
| 4020 sendEvent (SWT.Show); | |
| 4021 if (isDisposed ()) return; | |
| 4022 state &= ~HIDDEN; | |
| 4023 if ((state & (ZERO_WIDTH | ZERO_HEIGHT)) is 0) { | |
| 4024 if (enableWindow !is null) OS.gdk_window_show_unraised (enableWindow); | |
| 4025 OS.gtk_widget_show (topHandle_); | |
| 4026 } | |
| 4027 } else { | |
| 4028 /* | |
| 4029 * Bug in GTK. Invoking gtk_widget_hide() on a widget that has | |
| 4030 * focus causes a focus_out_event to be sent. If the client disposes | |
| 4031 * the widget inside the event, GTK GP's. The fix is to reassign focus | |
| 4032 * before hiding the widget. | |
| 4033 * | |
| 4034 * NOTE: In order to stop the same widget from taking focus, | |
| 4035 * temporarily clear and set the GTK_VISIBLE flag. | |
| 4036 */ | |
| 4037 Control control = null; | |
| 4038 bool fixFocus_ = false; | |
| 4039 if (display.focusEvent !is SWT.FocusOut) { | |
| 4040 control = display.getFocusControl (); | |
| 4041 fixFocus_ = isFocusAncestor (control); | |
| 4042 } | |
| 4043 state |= HIDDEN; | |
| 4044 if (fixFocus_) { | |
| 4045 OS.GTK_WIDGET_UNSET_FLAGS (topHandle_, OS.GTK_VISIBLE); | |
| 4046 fixFocus (control); | |
| 4047 if (isDisposed ()) return; | |
| 4048 OS.GTK_WIDGET_SET_FLAGS (topHandle_, OS.GTK_VISIBLE); | |
| 4049 } | |
| 4050 OS.gtk_widget_hide (topHandle_); | |
| 4051 if (isDisposed ()) return; | |
| 4052 if (enableWindow !is null) OS.gdk_window_hide (enableWindow); | |
| 4053 sendEvent (SWT.Hide); | |
| 4054 } | |
| 4055 } | |
| 4056 | |
| 4057 void setZOrder (Control sibling, bool above, bool fixRelations) { | |
| 4058 setZOrder (sibling, above, fixRelations, true); | |
| 4059 } | |
| 4060 | |
| 4061 void setZOrder (Control sibling, bool above, bool fixRelations, bool fixChildren) { | |
| 4062 int index = 0, siblingIndex = 0, oldNextIndex = -1; | |
| 4063 Control[] children = null; | |
| 4064 if (fixRelations) { | |
| 4065 /* determine the receiver's and sibling's indexes in the parent */ | |
| 4066 children = parent._getChildren (); | |
| 4067 while (index < children.length) { | |
| 4068 if (children [index] is this) break; | |
| 4069 index++; | |
| 4070 } | |
| 4071 if (sibling !is null) { | |
| 4072 while (siblingIndex < children.length) { | |
| 4073 if (children [siblingIndex] is sibling) break; | |
| 4074 siblingIndex++; | |
| 4075 } | |
| 4076 } | |
| 4077 /* remove "Labelled by" relationships that will no longer be valid */ | |
| 4078 removeRelation (); | |
| 4079 if (index + 1 < children.length) { | |
| 4080 oldNextIndex = index + 1; | |
| 4081 children [oldNextIndex].removeRelation (); | |
| 4082 } | |
| 4083 if (sibling !is null) { | |
| 4084 if (above) { | |
| 4085 sibling.removeRelation (); | |
| 4086 } else { | |
| 4087 if (siblingIndex + 1 < children.length) { | |
| 4088 children [siblingIndex + 1].removeRelation (); | |
| 4089 } | |
| 4090 } | |
| 4091 } | |
| 4092 } | |
| 4093 | |
| 4094 auto topHandle_ = topHandle (); | |
| 4095 auto siblingHandle = sibling !is null ? sibling.topHandle () : null; | |
| 4096 auto window = OS.GTK_WIDGET_WINDOW (topHandle_); | |
| 4097 if (window !is null) { | |
| 4098 GdkWindow* siblingWindow; | |
| 4099 if (sibling !is null) { | |
| 4100 if (above && sibling.enableWindow !is null) { | |
| 4101 siblingWindow = enableWindow; | |
| 4102 } else { | |
| 4103 siblingWindow = OS.GTK_WIDGET_WINDOW (siblingHandle); | |
| 4104 } | |
| 4105 } | |
| 4106 auto redrawWindow = fixChildren ? parent.redrawWindow : null; | |
| 4107 if (!OS.GDK_WINDOWING_X11 () || (siblingWindow is null && (!above || redrawWindow is null))) { | |
| 4108 if (above) { | |
| 4109 OS.gdk_window_raise (window); | |
| 4110 if (redrawWindow !is null) OS.gdk_window_raise (redrawWindow); | |
| 4111 if (enableWindow !is null) OS.gdk_window_raise (enableWindow); | |
| 4112 } else { | |
| 4113 if (enableWindow !is null) OS.gdk_window_lower (enableWindow); | |
| 4114 OS.gdk_window_lower (window); | |
| 4115 } | |
| 4116 } else { | |
| 4117 XWindowChanges changes; | |
| 4118 changes.sibling = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)(siblingWindow !is null ? siblingWindow : redrawWindow)); | |
| 4119 changes.stack_mode = above ? OS.Above : OS.Below; | |
| 4120 if (redrawWindow !is null && siblingWindow is null) changes.stack_mode = OS.Below; | |
| 4121 auto xDisplay = OS.gdk_x11_drawable_get_xdisplay (cast(GdkDrawable*)window); | |
| 4122 auto xWindow = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)window); | |
| 4123 int xScreen = OS.XDefaultScreen (xDisplay); | |
| 4124 int flags = OS.CWStackMode | OS.CWSibling; | |
| 4125 /* | |
| 4126 * Feature in X. If the receiver is a top level, XConfigureWindow () | |
| 4127 * will fail (with a BadMatch error) for top level shells because top | |
| 4128 * level shells are reparented by the window manager and do not share | |
| 4129 * the same X window parent. This is the correct behavior but it is | |
| 4130 * unexpected. The fix is to use XReconfigureWMWindow () instead. | |
| 4131 * When the receiver is not a top level shell, XReconfigureWMWindow () | |
| 4132 * behaves the same as XConfigureWindow (). | |
| 4133 */ | |
| 4134 OS.XReconfigureWMWindow (xDisplay, xWindow, xScreen, flags, &changes); | |
| 4135 if (enableWindow !is null) { | |
| 4136 changes.sibling = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)window); | |
| 4137 changes.stack_mode = OS.Above; | |
| 4138 xWindow = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)enableWindow); | |
| 4139 OS.XReconfigureWMWindow (xDisplay, xWindow, xScreen, flags, &changes); | |
| 4140 } | |
| 4141 } | |
| 4142 } | |
| 4143 if (fixChildren) { | |
| 4144 if (above) { | |
| 4145 parent.moveAbove (topHandle_, siblingHandle); | |
| 4146 } else { | |
| 4147 parent.moveBelow (topHandle_, siblingHandle); | |
| 4148 } | |
| 4149 } | |
| 4150 /* Make sure that the parent internal windows are on the bottom of the stack */ | |
| 4151 if (!above && fixChildren) parent.fixZOrder (); | |
| 4152 | |
| 4153 if (fixRelations) { | |
| 4154 /* determine the receiver's new index in the parent */ | |
| 4155 if (sibling !is null) { | |
| 4156 if (above) { | |
| 4157 index = siblingIndex - (index < siblingIndex ? 1 : 0); | |
| 4158 } else { | |
| 4159 index = siblingIndex + (siblingIndex < index ? 1 : 0); | |
| 4160 } | |
| 4161 } else { | |
| 4162 if (above) { | |
| 4163 index = 0; | |
| 4164 } else { | |
| 4165 index = children.length - 1; | |
| 4166 } | |
| 4167 } | |
| 4168 | |
| 4169 /* add new "Labelled by" relations as needed */ | |
| 4170 children = parent._getChildren (); | |
| 4171 if (0 < index) { | |
| 4172 children [index - 1].addRelation (this); | |
| 4173 } | |
| 4174 if (index + 1 < children.length) { | |
| 4175 addRelation (children [index + 1]); | |
| 4176 } | |
| 4177 if (oldNextIndex !is -1) { | |
| 4178 if (oldNextIndex <= index) oldNextIndex--; | |
| 4179 /* the last two conditions below ensure that duplicate relations are not hooked */ | |
| 4180 if (0 < oldNextIndex && oldNextIndex !is index && oldNextIndex !is index + 1) { | |
| 4181 children [oldNextIndex - 1].addRelation (children [oldNextIndex]); | |
| 4182 } | |
| 4183 } | |
| 4184 } | |
| 4185 } | |
| 4186 | |
| 4187 void setWidgetBackground () { | |
| 4188 if (fixedHandle !is null) { | |
| 4189 auto style = OS.gtk_widget_get_modifier_style (fixedHandle); | |
| 4190 modifyStyle (fixedHandle, style); | |
| 4191 } | |
| 4192 auto style = OS.gtk_widget_get_modifier_style (handle); | |
| 4193 modifyStyle (handle, style); | |
| 4194 } | |
| 4195 | |
| 4196 bool showMenu (int x, int y) { | |
| 4197 Event event = new Event (); | |
| 4198 event.x = x; | |
| 4199 event.y = y; | |
| 4200 sendEvent (SWT.MenuDetect, event); | |
| 4201 if (event.doit) { | |
| 4202 if (menu !is null && !menu.isDisposed ()) { | |
| 4203 bool hooksKeys = hooks (SWT.KeyDown) || hooks (SWT.KeyUp); | |
| 4204 menu.createIMMenu (hooksKeys ? imHandle() : null); | |
| 4205 if (event.x !is x || event.y !is y) { | |
| 4206 menu.setLocation (event.x, event.y); | |
| 4207 } | |
| 4208 menu.setVisible (true); | |
| 4209 return true; | |
| 4210 } | |
| 4211 } | |
| 4212 return false; | |
| 4213 } | |
| 4214 | |
| 4215 void showWidget () { | |
| 4216 // Comment this line to disable zero-sized widgets | |
| 4217 state |= ZERO_WIDTH | ZERO_HEIGHT; | |
| 4218 auto topHandle_ = topHandle (); | |
| 4219 auto parentHandle = parent.parentingHandle (); | |
| 4220 parent.setParentWindow (topHandle_); | |
| 4221 OS.gtk_container_add (cast(GtkContainer*)parentHandle, topHandle_); | |
| 4222 if (handle !is null && handle !is topHandle_) OS.gtk_widget_show (handle); | |
| 4223 if ((state & (ZERO_WIDTH | ZERO_HEIGHT)) is 0) { | |
| 4224 if (fixedHandle !is null) OS.gtk_widget_show (fixedHandle); | |
| 4225 } | |
| 4226 if (fixedHandle !is null) fixStyle (fixedHandle); | |
| 4227 } | |
| 4228 | |
| 4229 void sort (int [] items) { | |
| 4230 /* Shell Sort from K&R, pg 108 */ | |
| 4231 int length = items.length; | |
| 4232 for (int gap=length/2; gap>0; gap/=2) { | |
| 4233 for (int i=gap; i<length; i++) { | |
| 4234 for (int j=i-gap; j>=0; j-=gap) { | |
| 4235 if (items [j] <= items [j + gap]) { | |
| 4236 int swap = items [j]; | |
| 4237 items [j] = items [j + gap]; | |
| 4238 items [j + gap] = swap; | |
| 4239 } | |
| 4240 } | |
| 4241 } | |
| 4242 } | |
| 4243 } | |
| 4244 | |
| 4245 /** | |
| 4246 * Based on the argument, perform one of the expected platform | |
| 4247 * traversal action. The argument should be one of the constants: | |
| 4248 * <code>SWT.TRAVERSE_ESCAPE</code>, <code>SWT.TRAVERSE_RETURN</code>, | |
| 4249 * <code>SWT.TRAVERSE_TAB_NEXT</code>, <code>SWT.TRAVERSE_TAB_PREVIOUS</code>, | |
| 4250 * <code>SWT.TRAVERSE_ARROW_NEXT</code> and <code>SWT.TRAVERSE_ARROW_PREVIOUS</code>. | |
| 4251 * | |
| 4252 * @param traversal the type of traversal | |
| 4253 * @return true if the traversal succeeded | |
| 4254 * | |
| 4255 * @exception SWTException <ul> | |
| 4256 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 4257 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 4258 * </ul> | |
| 4259 */ | |
| 4260 public bool traverse (int traversal) { | |
| 4261 checkWidget (); | |
| 4262 Event event = new Event (); | |
| 4263 event.doit = true; | |
| 4264 event.detail = traversal; | |
| 4265 return traverse (event); | |
| 4266 } | |
| 4267 | |
| 4268 bool translateMnemonic (Event event, Control control) { | |
| 4269 if (control is this) return false; | |
| 4270 if (!isVisible () || !isEnabled ()) return false; | |
| 4271 event.doit = this is display.mnemonicControl || mnemonicMatch (event.character); | |
| 4272 return traverse (event); | |
| 4273 } | |
| 4274 | |
| 4275 bool translateMnemonic (int keyval, GdkEventKey* gdkEvent) { | |
| 4276 int key = OS.gdk_keyval_to_unicode (keyval); | |
| 4277 if (key < 0x20) return false; | |
| 4278 if (gdkEvent.state is 0) { | |
| 4279 int code = traversalCode (keyval, gdkEvent); | |
| 4280 if ((code & SWT.TRAVERSE_MNEMONIC) is 0) return false; | |
| 4281 } else { | |
| 4282 Shell shell = _getShell (); | |
| 4283 int mask = OS.GDK_CONTROL_MASK | OS.GDK_SHIFT_MASK | OS.GDK_MOD1_MASK; | |
| 4284 if ((gdkEvent.state & mask) !is OS.gtk_window_get_mnemonic_modifier (cast(GtkWindow*)shell.shellHandle)) return false; | |
| 4285 } | |
| 4286 Decorations shell = menuShell (); | |
| 4287 if (shell.isVisible () && shell.isEnabled ()) { | |
| 4288 Event event = new Event (); | |
| 4289 event.detail = SWT.TRAVERSE_MNEMONIC; | |
| 4290 if (setKeyState (event, gdkEvent)) { | |
| 4291 return translateMnemonic (event, null) || shell.translateMnemonic (event, this); | |
| 4292 } | |
| 4293 } | |
| 4294 return false; | |
| 4295 } | |
| 4296 | |
| 4297 bool translateTraversal (GdkEventKey* keyEvent) { | |
| 4298 int detail = SWT.TRAVERSE_NONE; | |
| 4299 int key = keyEvent.keyval; | |
| 4300 int code = traversalCode (key, keyEvent); | |
| 4301 bool all = false; | |
| 4302 switch (key) { | |
| 4303 case OS.GDK_Escape: { | |
| 4304 all = true; | |
| 4305 detail = SWT.TRAVERSE_ESCAPE; | |
| 4306 break; | |
| 4307 } | |
| 4308 case OS.GDK_KP_Enter: | |
| 4309 case OS.GDK_Return: { | |
| 4310 all = true; | |
| 4311 detail = SWT.TRAVERSE_RETURN; | |
| 4312 break; | |
| 4313 } | |
| 4314 case OS.GDK_ISO_Left_Tab: | |
| 4315 case OS.GDK_Tab: { | |
| 4316 bool next = (keyEvent.state & OS.GDK_SHIFT_MASK) is 0; | |
| 4317 detail = next ? SWT.TRAVERSE_TAB_NEXT : SWT.TRAVERSE_TAB_PREVIOUS; | |
| 4318 break; | |
| 4319 } | |
| 4320 case OS.GDK_Up: | |
| 4321 case OS.GDK_Left: | |
| 4322 case OS.GDK_Down: | |
| 4323 case OS.GDK_Right: { | |
| 4324 bool next = key is OS.GDK_Down || key is OS.GDK_Right; | |
| 4325 if (parent !is null && (parent.style & SWT.MIRRORED) !is 0) { | |
| 4326 if (key is OS.GDK_Left || key is OS.GDK_Right) next = !next; | |
| 4327 } | |
| 4328 detail = next ? SWT.TRAVERSE_ARROW_NEXT : SWT.TRAVERSE_ARROW_PREVIOUS; | |
| 4329 break; | |
| 4330 } | |
| 4331 case OS.GDK_Page_Up: | |
| 4332 case OS.GDK_Page_Down: { | |
| 4333 all = true; | |
| 4334 if ((keyEvent.state & OS.GDK_CONTROL_MASK) is 0) return false; | |
| 4335 detail = key is OS.GDK_Page_Down ? SWT.TRAVERSE_PAGE_NEXT : SWT.TRAVERSE_PAGE_PREVIOUS; | |
| 4336 break; | |
| 4337 } | |
| 4338 default: | |
| 4339 return false; | |
| 4340 } | |
| 4341 Event event = new Event (); | |
| 4342 event.doit = (code & detail) !is 0; | |
| 4343 event.detail = detail; | |
| 4344 event.time = keyEvent.time; | |
| 4345 if (!setKeyState (event, keyEvent)) return false; | |
| 4346 Shell shell = getShell (); | |
| 4347 Control control = this; | |
| 4348 do { | |
| 4349 if (control.traverse (event)) return true; | |
| 4350 if (!event.doit && control.hooks (SWT.Traverse)) return false; | |
| 4351 if (control is shell) return false; | |
| 4352 control = control.parent; | |
| 4353 } while (all && control !is null); | |
| 4354 return false; | |
| 4355 } | |
| 4356 | |
| 4357 int traversalCode (int key, GdkEventKey* event) { | |
| 4358 int code = SWT.TRAVERSE_RETURN | SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS | SWT.TRAVERSE_PAGE_NEXT | SWT.TRAVERSE_PAGE_PREVIOUS; | |
| 4359 Shell shell = getShell (); | |
| 4360 if (shell.parent !is null) code |= SWT.TRAVERSE_ESCAPE; | |
| 4361 return code; | |
| 4362 } | |
| 4363 | |
| 4364 bool traverse (Event event) { | |
| 4365 /* | |
| 4366 * It is possible (but unlikely), that application | |
| 4367 * code could have disposed the widget in the traverse | |
| 4368 * event. If this happens, return true to stop further | |
| 4369 * event processing. | |
| 4370 */ | |
| 4371 sendEvent (SWT.Traverse, event); | |
| 4372 if (isDisposed ()) return true; | |
| 4373 if (!event.doit) return false; | |
| 4374 switch (event.detail) { | |
| 4375 case SWT.TRAVERSE_NONE: return true; | |
| 4376 case SWT.TRAVERSE_ESCAPE: return traverseEscape (); | |
| 4377 case SWT.TRAVERSE_RETURN: return traverseReturn (); | |
| 4378 case SWT.TRAVERSE_TAB_NEXT: return traverseGroup (true); | |
| 4379 case SWT.TRAVERSE_TAB_PREVIOUS: return traverseGroup (false); | |
| 4380 case SWT.TRAVERSE_ARROW_NEXT: return traverseItem (true); | |
| 4381 case SWT.TRAVERSE_ARROW_PREVIOUS: return traverseItem (false); | |
| 113 | 4382 case SWT.TRAVERSE_MNEMONIC: return traverseMnemonic (cast(char) event.character); |
| 25 | 4383 case SWT.TRAVERSE_PAGE_NEXT: return traversePage (true); |
| 4384 case SWT.TRAVERSE_PAGE_PREVIOUS: return traversePage (false); | |
| 4385 default: | |
| 4386 } | |
| 4387 return false; | |
| 4388 } | |
| 4389 | |
| 4390 bool traverseEscape () { | |
| 4391 return false; | |
| 4392 } | |
| 4393 | |
| 4394 bool traverseGroup (bool next) { | |
| 4395 Control root = computeTabRoot (); | |
| 4396 Control group = computeTabGroup (); | |
| 4397 Control [] list = root.computeTabList (); | |
| 4398 int length = list.length; | |
| 4399 int index = 0; | |
| 4400 while (index < length) { | |
| 4401 if (list [index] is group) break; | |
| 4402 index++; | |
| 4403 } | |
| 4404 /* | |
| 4405 * It is possible (but unlikely), that application | |
| 4406 * code could have disposed the widget in focus in | |
| 4407 * or out events. Ensure that a disposed widget is | |
| 4408 * not accessed. | |
| 4409 */ | |
| 4410 if (index is length) return false; | |
| 4411 int start = index, offset = (next) ? 1 : -1; | |
| 4412 while ((index = ((index + offset + length) % length)) !is start) { | |
| 4413 Control control = list [index]; | |
| 4414 if (!control.isDisposed () && control.setTabGroupFocus (next)) { | |
| 4415 return true; | |
| 4416 } | |
| 4417 } | |
| 4418 if (group.isDisposed ()) return false; | |
| 4419 return group.setTabGroupFocus (next); | |
| 4420 } | |
| 4421 | |
| 4422 bool traverseItem (bool next) { | |
| 4423 Control [] children = parent._getChildren (); | |
| 4424 int length = children.length; | |
| 4425 int index = 0; | |
| 4426 while (index < length) { | |
| 4427 if (children [index] is this) break; | |
| 4428 index++; | |
| 4429 } | |
| 4430 /* | |
| 4431 * It is possible (but unlikely), that application | |
| 4432 * code could have disposed the widget in focus in | |
| 4433 * or out events. Ensure that a disposed widget is | |
| 4434 * not accessed. | |
| 4435 */ | |
| 4436 if (index is length) return false; | |
| 4437 int start = index, offset = (next) ? 1 : -1; | |
| 4438 while ((index = (index + offset + length) % length) !is start) { | |
| 4439 Control child = children [index]; | |
| 4440 if (!child.isDisposed () && child.isTabItem ()) { | |
| 4441 if (child.setTabItemFocus (next)) return true; | |
| 4442 } | |
| 4443 } | |
| 4444 return false; | |
| 4445 } | |
| 4446 | |
| 4447 bool traverseReturn () { | |
| 4448 return false; | |
| 4449 } | |
| 4450 | |
| 4451 bool traversePage (bool next) { | |
| 4452 return false; | |
| 4453 } | |
| 4454 | |
| 4455 bool traverseMnemonic (char key) { | |
| 4456 return mnemonicHit (key); | |
| 4457 } | |
| 4458 | |
| 4459 /** | |
| 4460 * Forces all outstanding paint requests for the widget | |
| 4461 * to be processed before this method returns. If there | |
| 4462 * are no outstanding paint request, this method does | |
| 4463 * nothing. | |
| 4464 * <p> | |
| 4465 * Note: This method does not cause a redraw. | |
| 4466 * </p> | |
| 4467 * | |
| 4468 * @exception SWTException <ul> | |
| 4469 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 4470 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 4471 * </ul> | |
| 4472 * | |
| 4473 * @see #redraw() | |
| 4474 * @see #redraw(int, int, int, int, bool) | |
| 4475 * @see PaintListener | |
| 4476 * @see SWT#Paint | |
| 4477 */ | |
| 4478 public void update () { | |
| 4479 checkWidget (); | |
| 4480 update (false, true); | |
| 4481 } | |
| 4482 | |
| 4483 void update (bool all, bool flush) { | |
| 4484 // checkWidget(); | |
| 4485 if (!OS.GTK_WIDGET_VISIBLE (topHandle ())) return; | |
| 4486 if ((OS.GTK_WIDGET_FLAGS (handle) & OS.GTK_REALIZED) is 0) return; | |
| 4487 auto window = paintWindow (); | |
| 4488 if (flush) display.flushExposes (window, all); | |
| 4489 OS.gdk_window_process_updates (window, all); | |
| 4490 OS.gdk_flush (); | |
| 4491 } | |
| 4492 | |
| 4493 void updateBackgroundMode () { | |
| 4494 int oldState = state & PARENT_BACKGROUND; | |
| 4495 checkBackground (); | |
| 4496 if (oldState !is (state & PARENT_BACKGROUND)) { | |
| 4497 setBackground (); | |
| 4498 } | |
| 4499 } | |
| 4500 | |
| 4501 void updateLayout (bool all) { | |
| 4502 /* Do nothing */ | |
| 4503 } | |
| 4504 | |
| 4505 override int /*long*/ windowProc (GtkWidget* handle, int /*long*/ arg0, int /*long*/ user_data) { | |
| 4506 switch (cast(int)/*64*/user_data) { | |
| 4507 case EXPOSE_EVENT_INVERSE: { | |
| 4508 if ((OS.GTK_VERSION < OS.buildVERSION (2, 8, 0)) && ((state & OBSCURED) is 0)) { | |
| 4509 Control control = findBackgroundControl (); | |
| 4510 if (control !is null && control.backgroundImage !is null) { | |
| 4511 GdkEventExpose* gdkEvent = cast(GdkEventExpose*)arg0; | |
| 4512 auto paintWindow = paintWindow(); | |
| 4513 auto window = gdkEvent.window; | |
| 4514 if (window !is paintWindow) break; | |
| 4515 auto gdkGC = OS.gdk_gc_new (cast(GdkDrawable*)window); | |
| 4516 OS.gdk_gc_set_clip_region (gdkGC, gdkEvent.region); | |
| 4517 int dest_x, dest_y; | |
| 4518 OS.gtk_widget_translate_coordinates (paintHandle (), control.paintHandle (), 0, 0, &dest_x, &dest_y); | |
| 4519 OS.gdk_gc_set_fill (gdkGC, OS.GDK_TILED); | |
| 4520 OS.gdk_gc_set_ts_origin (gdkGC, -dest_x, -dest_y); | |
| 4521 OS.gdk_gc_set_tile (gdkGC, cast(GdkPixmap*)control.backgroundImage.pixmap); | |
| 4522 OS.gdk_draw_rectangle (cast(GdkDrawable*)window, gdkGC, 1, gdkEvent.area.x, gdkEvent.area.y, gdkEvent.area.width, gdkEvent.area.height); | |
| 4523 OS.g_object_unref (gdkGC); | |
| 4524 } | |
| 4525 } | |
| 4526 break; | |
| 4527 default: | |
| 4528 } | |
| 4529 } | |
| 4530 return super.windowProc (handle, arg0, user_data); | |
| 4531 } | |
| 4532 } |