1 /*
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package sun.awt.X11;
26
27 import java.awt.AWTEvent;
28 import java.awt.AWTException;
29 import java.awt.BufferCapabilities;
30 import java.awt.Color;
31 import java.awt.Component;
32 import java.awt.Container;
33 import java.awt.Cursor;
34 import java.awt.Dimension;
35 import java.awt.Font;
36 import java.awt.FontMetrics;
37 import java.awt.Graphics;
38 import java.awt.GraphicsConfiguration;
39 import java.awt.Image;
40 import java.awt.Insets;
41 import java.awt.Rectangle;
42 import java.awt.SystemColor;
43 import java.awt.Toolkit;
44 import java.awt.Window;
45 import java.awt.dnd.DropTarget;
46 import java.awt.dnd.peer.DropTargetPeer;
47 import java.awt.event.FocusEvent;
48 import java.awt.event.InputEvent;
49 import java.awt.event.InputMethodEvent;
50 import java.awt.event.KeyEvent;
51 import java.awt.event.MouseEvent;
52 import java.awt.event.MouseWheelEvent;
53 import java.awt.event.PaintEvent;
54 import java.awt.event.WindowEvent;
55 import java.awt.event.InvocationEvent;
56 import java.awt.image.ImageObserver;
57 import java.awt.image.ImageProducer;
58 import java.awt.image.VolatileImage;
59 import java.awt.peer.ComponentPeer;
60 import java.awt.peer.ContainerPeer;
61 import java.lang.reflect.*;
62 import java.security.*;
63 import java.util.Collection;
64 import java.util.Set;
65 import sun.util.logging.PlatformLogger;
66 import sun.awt.*;
67 import sun.awt.event.IgnorePaintEvent;
68 import sun.awt.image.SunVolatileImage;
69 import sun.awt.image.ToolkitImage;
70 import sun.java2d.BackBufferCapsProvider;
71 import sun.java2d.pipe.Region;
72
73
74 public class XComponentPeer extends XWindow implements ComponentPeer, DropTargetPeer,
75 BackBufferCapsProvider
76 {
77 private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XComponentPeer");
78 private static final PlatformLogger buffersLog = PlatformLogger.getLogger("sun.awt.X11.XComponentPeer.multibuffer");
79 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.awt.X11.focus.XComponentPeer");
80 private static final PlatformLogger fontLog = PlatformLogger.getLogger("sun.awt.X11.font.XComponentPeer");
81 private static final PlatformLogger enableLog = PlatformLogger.getLogger("sun.awt.X11.enable.XComponentPeer");
82 private static final PlatformLogger shapeLog = PlatformLogger.getLogger("sun.awt.X11.shape.XComponentPeer");
83
84 boolean paintPending = false;
85 boolean isLayouting = false;
86 private boolean enabled;
87
88 // Actually used only by XDecoratedPeer
89 protected int boundsOperation;
90
91 Color foreground;
92 Color background;
93
94 // Colors calculated as on Motif using MotifColorUtilties.
95 // If you use these, call updateMotifColors() in the peer's Constructor and
96 // setBackground(). Examples are XCheckboxPeer and XButtonPeer.
97 Color darkShadow;
98 Color lightShadow;
99 Color selectColor;
100
101 Font font;
102 private long backBuffer = 0;
103 private VolatileImage xBackBuffer = null;
104
105 static Color[] systemColors;
106
107 XComponentPeer() {
108 }
109
110 XComponentPeer (XCreateWindowParams params) {
111 super(params);
112 }
113
114 XComponentPeer(Component target, long parentWindow, Rectangle bounds) {
115 super(target, parentWindow, bounds);
116 }
117
118 /**
119 * Standard peer constructor, with corresponding Component
120 */
121 XComponentPeer(Component target) {
122 super(target);
123 }
124
125
126 void preInit(XCreateWindowParams params) {
127 super.preInit(params);
128 boundsOperation = DEFAULT_OPERATION;
129 }
130 void postInit(XCreateWindowParams params) {
131 super.postInit(params);
132
133 pSetCursor(target.getCursor());
134
135 foreground = target.getForeground();
136 background = target.getBackground();
137 font = target.getFont();
138
139 if (isInitialReshape()) {
140 Rectangle r = target.getBounds();
141 reshape(r.x, r.y, r.width, r.height);
142 }
143
144 setEnabled(target.isEnabled());
145
146 if (target.isVisible()) {
147 setVisible(true);
148 }
149 }
150
151 protected boolean isInitialReshape() {
152 return true;
153 }
154
155 public void reparent(ContainerPeer newNativeParent) {
156 XComponentPeer newPeer = (XComponentPeer)newNativeParent;
157 XToolkit.awtLock();
158 try {
159 XlibWrapper.XReparentWindow(XToolkit.getDisplay(), getWindow(), newPeer.getContentWindow(), x, y);
160 parentWindow = newPeer;
161 } finally {
162 XToolkit.awtUnlock();
163 }
164 }
165 public boolean isReparentSupported() {
166 return System.getProperty("sun.awt.X11.XComponentPeer.reparentNotSupported", "false").equals("false");
167 }
168
169 public boolean isObscured() {
170 Container container = (target instanceof Container) ?
171 (Container)target : target.getParent();
172
173 if (container == null) {
174 return true;
175 }
176
177 Container parent;
178 while ((parent = container.getParent()) != null) {
179 container = parent;
180 }
181
182 if (container instanceof Window) {
183 XWindowPeer wpeer = (XWindowPeer)(container.getPeer());
184 if (wpeer != null) {
185 return (wpeer.winAttr.visibilityState !=
186 wpeer.winAttr.AWT_UNOBSCURED);
187 }
188 }
189 return true;
190 }
191
192 public boolean canDetermineObscurity() {
193 return true;
194 }
195
196 /*************************************************
197 * FOCUS STUFF
198 *************************************************/
199
200 /**
201 * Keeps the track of focused state of the _NATIVE_ window
202 */
203 boolean bHasFocus = false;
204
205 /**
206 * Descendants should use this method to determine whether or not native window
207 * has focus.
208 */
209 final public boolean hasFocus() {
210 return bHasFocus;
211 }
212
213 /**
214 * Called when component receives focus
215 */
216 public void focusGained(FocusEvent e) {
217 if (focusLog.isLoggable(PlatformLogger.FINE)) {
218 focusLog.fine("{0}", e);
219 }
220 bHasFocus = true;
221 }
222
223 /**
224 * Called when component loses focus
225 */
226 public void focusLost(FocusEvent e) {
227 if (focusLog.isLoggable(PlatformLogger.FINE)) {
228 focusLog.fine("{0}", e);
229 }
230 bHasFocus = false;
231 }
232
233 public boolean isFocusable() {
234 /* should be implemented by other sub-classes */
235 return false;
236 }
237
238 private static Class seClass;
239 private static Constructor seCtor;
240
241 final static AWTEvent wrapInSequenced(AWTEvent event) {
242 try {
243 if (seClass == null) {
244 seClass = Class.forName("java.awt.SequencedEvent");
245 }
246
247 if (seCtor == null) {
248 seCtor = (Constructor) AccessController.doPrivileged(new PrivilegedExceptionAction() {
249 public Object run() throws Exception {
250 Constructor ctor = seClass.getConstructor(new Class[] { AWTEvent.class });
251 ctor.setAccessible(true);
252 return ctor;
253 }
254 });
255 }
256
257 return (AWTEvent) seCtor.newInstance(new Object[] { event });
258 }
259 catch (ClassNotFoundException e) {
260 throw new NoClassDefFoundError("java.awt.SequencedEvent.");
261 }
262 catch (PrivilegedActionException ex) {
263 throw new NoClassDefFoundError("java.awt.SequencedEvent.");
264 }
265 catch (InstantiationException e) {
266 assert false;
267 }
268 catch (IllegalAccessException e) {
269 assert false;
270 }
271 catch (InvocationTargetException e) {
272 assert false;
273 }
274
275 return null;
276 }
277
278 // TODO: consider moving it to KeyboardFocusManagerPeerImpl
279 final public boolean requestFocus(Component lightweightChild, boolean temporary,
280 boolean focusedWindowChangeAllowed, long time,
281 CausedFocusEvent.Cause cause)
282 {
283 if (XKeyboardFocusManagerPeer.
284 processSynchronousLightweightTransfer(target, lightweightChild, temporary,
285 focusedWindowChangeAllowed, time))
286 {
287 return true;
288 }
289
290 int result = XKeyboardFocusManagerPeer.
291 shouldNativelyFocusHeavyweight(target, lightweightChild,
292 temporary, focusedWindowChangeAllowed,
293 time, cause);
294
295 switch (result) {
296 case XKeyboardFocusManagerPeer.SNFH_FAILURE:
297 return false;
298 case XKeyboardFocusManagerPeer.SNFH_SUCCESS_PROCEED:
299 // Currently we just generate focus events like we deal with lightweight instead of calling
300 // XSetInputFocus on native window
301 if (focusLog.isLoggable(PlatformLogger.FINER)) {
302 focusLog.finer("Proceeding with request to " +
303 lightweightChild + " in " + target);
304 }
305 /**
306 * The problems with requests in non-focused window arise because shouldNativelyFocusHeavyweight
307 * checks that native window is focused while appropriate WINDOW_GAINED_FOCUS has not yet
308 * been processed - it is in EventQueue. Thus, SNFH allows native request and stores request record
309 * in requests list - and it breaks our requests sequence as first record on WGF should be the last
310 * focus owner which had focus before WLF. So, we should not add request record for such requests
311 * but store this component in mostRecent - and return true as before for compatibility.
312 */
313 Window parentWindow = SunToolkit.getContainingWindow(target);
314 if (parentWindow == null) {
315 return rejectFocusRequestHelper("WARNING: Parent window is null");
316 }
317 XWindowPeer wpeer = (XWindowPeer)parentWindow.getPeer();
318 if (wpeer == null) {
319 return rejectFocusRequestHelper("WARNING: Parent window's peer is null");
320 }
321 /*
322 * Passing null 'actualFocusedWindow' as we don't want to restore focus on it
323 * when a component inside a Frame is requesting focus.
324 * See 6314575 for details.
325 */
326 boolean res = wpeer.requestWindowFocus(null);
327
328 if (focusLog.isLoggable(PlatformLogger.FINER)) {
329 focusLog.finer("Requested window focus: " + res);
330 }
331 // If parent window can be made focused and has been made focused(synchronously)
332 // then we can proceed with children, otherwise we retreat.
333 if (!(res && parentWindow.isFocused())) {
334 return rejectFocusRequestHelper("Waiting for asynchronous processing of the request");
335 }
336 return XKeyboardFocusManagerPeer.deliverFocus(lightweightChild,
337 (Component)target,
338 temporary,
339 focusedWindowChangeAllowed,
340 time, cause);
341 // Motif compatibility code
342 case XKeyboardFocusManagerPeer.SNFH_SUCCESS_HANDLED:
343 // Either lightweight or excessive request - all events are generated.
344 return true;
345 }
346 return false;
347 }
348
349 private boolean rejectFocusRequestHelper(String logMsg) {
350 if (focusLog.isLoggable(PlatformLogger.FINER)) {
351 focusLog.finer(logMsg);
352 }
353 XKeyboardFocusManagerPeer.removeLastFocusRequest(target);
354 return false;
355 }
356
357 void handleJavaFocusEvent(AWTEvent e) {
358 if (focusLog.isLoggable(PlatformLogger.FINER)) {
359 focusLog.finer(e.toString());
360 }
361 if (e.getID() == FocusEvent.FOCUS_GAINED) {
362 focusGained((FocusEvent)e);
363 } else {
364 focusLost((FocusEvent)e);
365 }
366 }
367
368 void handleJavaWindowFocusEvent(AWTEvent e) {
369 }
370
371 /*************************************************
372 * END OF FOCUS STUFF
373 *************************************************/
374
375
376
377 public void setVisible(boolean b) {
378 xSetVisible(b);
379 }
380
381 public void hide() {
382 setVisible(false);
383 }
384
385 /**
386 * @see java.awt.peer.ComponentPeer
387 */
388 public void setEnabled(final boolean value) {
389 if (enableLog.isLoggable(PlatformLogger.FINE)) {
390 enableLog.fine("{0}ing {1}", (value ? "Enabl" : "Disabl"), this);
391 }
392 boolean status = value;
393 // If any of our heavyweight ancestors are disable, we should be too
394 // See 6176875 for more information
395 final Container cp = SunToolkit.getNativeContainer(target);
396 if (cp != null) {
397 status &= ((XComponentPeer) cp.getPeer()).isEnabled();
398 }
399 synchronized (getStateLock()) {
400 if (enabled == status) {
401 return;
402 }
403 enabled = status;
404 }
405
406 if (target instanceof Container) {
407 final Component[] list = ((Container) target).getComponents();
408 for (final Component child : list) {
409 final ComponentPeer p = child.getPeer();
410 if (p != null) {
411 p.setEnabled(status && child.isEnabled());
412 }
413 }
414 }
415 repaint();
416 }
417
418 //
419 // public so aw/Window can call it
420 //
421 public final boolean isEnabled() {
422 synchronized (getStateLock()) {
423 return enabled;
424 }
425 }
426
427 @Override
428 public void paint(final Graphics g) {
429 super.paint(g);
430 // allow target to change the picture
431 target.paint(g);
432 }
433
434 public Graphics getGraphics() {
435 return getGraphics(surfaceData, getPeerForeground(), getPeerBackground(), getPeerFont());
436 }
437 public void print(Graphics g) {
438 // clear rect here to emulate X clears rect before Expose
439 g.setColor(target.getBackground());
440 g.fillRect(0, 0, target.getWidth(), target.getHeight());
441 g.setColor(target.getForeground());
442 // paint peer
443 paintPeer(g);
444 // allow target to change the picture
445 target.print(g);
446 }
447
448 public void setBounds(int x, int y, int width, int height, int op) {
449 this.x = x;
450 this.y = y;
451 this.width = width;
452 this.height = height;
453 xSetBounds(x,y,width,height);
454 validateSurface();
455 layout();
456 }
457
458 public void reshape(int x, int y, int width, int height) {
459 setBounds(x, y, width, height, SET_BOUNDS);
460 }
461
462 public void coalescePaintEvent(PaintEvent e) {
463 Rectangle r = e.getUpdateRect();
464 if (!(e instanceof IgnorePaintEvent)) {
465 paintArea.add(r, e.getID());
466 }
467 if (true) {
468 switch(e.getID()) {
469 case PaintEvent.UPDATE:
470 if (log.isLoggable(PlatformLogger.FINER)) {
471 log.finer("XCP coalescePaintEvent : UPDATE : add : x = " +
472 r.x + ", y = " + r.y + ", width = " + r.width + ",height = " + r.height);
473 }
474 return;
475 case PaintEvent.PAINT:
476 if (log.isLoggable(PlatformLogger.FINER)) {
477 log.finer("XCP coalescePaintEvent : PAINT : add : x = " +
478 r.x + ", y = " + r.y + ", width = " + r.width + ",height = " + r.height);
479 }
480 return;
481 }
482 }
483 }
484
485 XWindowPeer getParentTopLevel() {
486 AWTAccessor.ComponentAccessor compAccessor = AWTAccessor.getComponentAccessor();
487 Container parent = (target instanceof Container) ? ((Container)target) : (compAccessor.getParent(target));
488 // Search for parent window
489 while (parent != null && !(parent instanceof Window)) {
490 parent = compAccessor.getParent(parent);
491 }
492 if (parent != null) {
493 return (XWindowPeer)compAccessor.getPeer(parent);
494 } else {
495 return null;
496 }
497 }
498
499 /* This method is intended to be over-ridden by peers to perform user interaction */
500 void handleJavaMouseEvent(MouseEvent e) {
501 switch (e.getID()) {
502 case MouseEvent.MOUSE_PRESSED:
503 if (target == e.getSource() &&
504 !target.isFocusOwner() &&
505 XKeyboardFocusManagerPeer.shouldFocusOnClick(target))
506 {
507 XWindowPeer parentXWindow = getParentTopLevel();
508 Window parentWindow = ((Window)parentXWindow.getTarget());
509 // Simple windows are non-focusable in X terms but focusable in Java terms.
510 // As X-non-focusable they don't receive any focus events - we should generate them
511 // by ourselfves.
512 // if (parentXWindow.isFocusableWindow() /*&& parentXWindow.isSimpleWindow()*/ &&
513 // !(getCurrentNativeFocusedWindow() == parentWindow))
514 // {
515 // setCurrentNativeFocusedWindow(parentWindow);
516 // WindowEvent wfg = new WindowEvent(parentWindow, WindowEvent.WINDOW_GAINED_FOCUS);
517 // parentWindow.dispatchEvent(wfg);
518 // }
519 XKeyboardFocusManagerPeer.requestFocusFor(target, CausedFocusEvent.Cause.MOUSE_EVENT);
520 }
521 break;
522 }
523 }
524
525 /* This method is intended to be over-ridden by peers to perform user interaction */
526 void handleJavaKeyEvent(KeyEvent e) {
527 }
528
529 /* This method is intended to be over-ridden by peers to perform user interaction */
530 void handleJavaMouseWheelEvent(MouseWheelEvent e) {
531 }
532
533
534 /* This method is intended to be over-ridden by peers to perform user interaction */
535 void handleJavaInputMethodEvent(InputMethodEvent e) {
536 }
537
538 void handleF10JavaKeyEvent(KeyEvent e) {
539 if (e.getID() == KeyEvent.KEY_PRESSED && e.getKeyCode() == KeyEvent.VK_F10) {
540 XWindowPeer winPeer = this.getToplevelXWindow();
541 if (winPeer instanceof XFramePeer) {
542 XMenuBarPeer mPeer = ((XFramePeer)winPeer).getMenubarPeer();
543 if (mPeer != null) {
544 mPeer.handleF10KeyPress(e);
545 }
546 }
547 }
548 }
549
550 public void handleEvent(java.awt.AWTEvent e) {
551 if ((e instanceof InputEvent) && !((InputEvent)e).isConsumed() && target.isEnabled()) {
552 if (e instanceof MouseEvent) {
553 if (e instanceof MouseWheelEvent) {
554 handleJavaMouseWheelEvent((MouseWheelEvent) e);
555 }
556 else
557 handleJavaMouseEvent((MouseEvent) e);
558 }
559 else if (e instanceof KeyEvent) {
560 handleF10JavaKeyEvent((KeyEvent)e);
561 handleJavaKeyEvent((KeyEvent)e);
562 }
563 }
564 else if (e instanceof KeyEvent && !((InputEvent)e).isConsumed()) {
565 // even if target is disabled.
566 handleF10JavaKeyEvent((KeyEvent)e);
567 }
568 else if (e instanceof InputMethodEvent) {
569 handleJavaInputMethodEvent((InputMethodEvent) e);
570 }
571
572 int id = e.getID();
573
574 switch(id) {
575 case PaintEvent.PAINT:
576 // Got native painting
577 paintPending = false;
578 // Fallthrough to next statement
579 case PaintEvent.UPDATE:
580 // Skip all painting while layouting and all UPDATEs
581 // while waiting for native paint
582 if (!isLayouting && !paintPending) {
583 paintArea.paint(target,false);
584 }
585 return;
586 case FocusEvent.FOCUS_LOST:
587 case FocusEvent.FOCUS_GAINED:
588 handleJavaFocusEvent(e);
589 break;
590 case WindowEvent.WINDOW_LOST_FOCUS:
591 case WindowEvent.WINDOW_GAINED_FOCUS:
592 handleJavaWindowFocusEvent(e);
593 break;
594 default:
595 break;
596 }
597
598 }
599
600 public Dimension getMinimumSize() {
601 return target.getSize();
602 }
603
604 public Dimension getPreferredSize() {
605 return getMinimumSize();
606 }
607
608 public void layout() {}
609
610 public java.awt.Toolkit getToolkit() {
611 return Toolkit.getDefaultToolkit();
612 }
613
614 void updateMotifColors(Color bg) {
615 int red = bg.getRed();
616 int green = bg.getGreen();
617 int blue = bg.getBlue();
618
619 darkShadow = new Color(MotifColorUtilities.calculateBottomShadowFromBackground(red,green,blue));
620 lightShadow = new Color(MotifColorUtilities.calculateTopShadowFromBackground(red,green,blue));
621 selectColor= new Color(MotifColorUtilities.calculateSelectFromBackground(red,green,blue));
622 }
623
624 /*
625 * Draw a 3D rectangle using the Motif colors.
626 * "Normal" rectangles have shadows on the bottom.
627 * "Depressed" rectangles (such as pressed buttons) have shadows on the top,
628 * in which case true should be passed for topShadow.
629 */
630 public void drawMotif3DRect(Graphics g,
631 int x, int y, int width, int height,
632 boolean topShadow) {
633 g.setColor(topShadow ? darkShadow : lightShadow);
634 g.drawLine(x, y, x+width, y); // top
635 g.drawLine(x, y+height, x, y); // left
636
637 g.setColor(topShadow ? lightShadow : darkShadow );
638 g.drawLine(x+1, y+height, x+width, y+height); // bottom
639 g.drawLine(x+width, y+height, x+width, y+1); // right
640 }
641
642 public void setBackground(Color c) {
643 if (log.isLoggable(PlatformLogger.FINE)) {
644 log.fine("Set background to " + c);
645 }
646 synchronized (getStateLock()) {
647 background = c;
648 }
649 super.setBackground(c);
650 repaint();
651 }
652
653 public void setForeground(Color c) {
654 if (log.isLoggable(PlatformLogger.FINE)) {
655 log.fine("Set foreground to " + c);
656 }
657 synchronized (getStateLock()) {
658 foreground = c;
659 }
660 repaint();
661 }
662
663 /**
664 * Gets the font metrics for the specified font.
665 * @param font the font for which font metrics is to be
666 * obtained
667 * @return the font metrics for <code>font</code>
668 * @see #getFont
669 * @see #getPeer
670 * @see java.awt.peer.ComponentPeer#getFontMetrics(Font)
671 * @see Toolkit#getFontMetrics(Font)
672 * @since JDK1.0
673 */
674 public FontMetrics getFontMetrics(Font font) {
675 if (fontLog.isLoggable(PlatformLogger.FINE)) {
676 fontLog.fine("Getting font metrics for " + font);
677 }
678 return sun.font.FontDesignMetrics.getMetrics(font);
679 }
680
681 public void setFont(Font f) {
682 synchronized (getStateLock()) {
683 if (f == null) {
684 f = XWindow.getDefaultFont();
685 }
686 font = f;
687 }
688 // as it stands currently we dont need to do layout or repaint since
689 // layout is done in the Component upon setFont.
690 //layout();
691 // target.repaint();
692 //repaint()?
693 }
694
695 public Font getFont() {
696 return font;
697 }
698
699 public void updateCursorImmediately() {
700 XGlobalCursorManager.getCursorManager().updateCursorImmediately();
701 }
702
703 public final void pSetCursor(Cursor cursor) {
704 this.pSetCursor(cursor, true);
705 }
706
707 /*
708 * The method changes the cursor.
709 * @param cursor - a new cursor to change to.
710 * @param ignoreSubComponents - if {@code true} is passed then
711 * the new cursor will be installed on window.
712 * if {@code false} is passed then
713 * subsequent components will try to handle
714 * this request and install their cursor.
715 */
716 //ignoreSubComponents not used here
717 public void pSetCursor(Cursor cursor, boolean ignoreSubComponents) {
718 XToolkit.awtLock();
719 try {
720 long xcursor = XGlobalCursorManager.getCursor(cursor);
721
722 XSetWindowAttributes xwa = new XSetWindowAttributes();
723 xwa.set_cursor(xcursor);
724
725 long valuemask = XConstants.CWCursor;
726
727 XlibWrapper.XChangeWindowAttributes(XToolkit.getDisplay(),getWindow(),valuemask,xwa.pData);
728 XlibWrapper.XFlush(XToolkit.getDisplay());
729 xwa.dispose();
730 } finally {
731 XToolkit.awtUnlock();
732 }
733 }
734
735 public Image createImage(ImageProducer producer) {
736 return new ToolkitImage(producer);
737 }
738
739 public Image createImage(int width, int height) {
740 return graphicsConfig.createAcceleratedImage(target, width, height);
741 }
742
743 public VolatileImage createVolatileImage(int width, int height) {
744 return new SunVolatileImage(target, width, height);
745 }
746
747 public boolean prepareImage(Image img, int w, int h, ImageObserver o) {
748 return getToolkit().prepareImage(img, w, h, o);
749 }
750
751 public int checkImage(Image img, int w, int h, ImageObserver o) {
752 return getToolkit().checkImage(img, w, h, o);
753 }
754
755 public Dimension preferredSize() {
756 return getPreferredSize();
757 }
758
759 public Dimension minimumSize() {
760 return getMinimumSize();
761 }
762
763 public Insets getInsets() {
764 return new Insets(0, 0, 0, 0);
765 }
766
767 public void beginValidate() {
768 }
769
770 public void endValidate() {
771 }
772
773
774 /**
775 * DEPRECATED: Replaced by getInsets().
776 */
777
778 public Insets insets() {
779 return getInsets();
780 }
781
782 // Returns true if we are inside begin/endLayout and
783 // are waiting for native painting
784 public boolean isPaintPending() {
785 return paintPending && isLayouting;
786 }
787
788 public boolean handlesWheelScrolling() {
789 return false;
790 }
791
792 public void beginLayout() {
793 // Skip all painting till endLayout
794 isLayouting = true;
795
796 }
797
798 public void endLayout() {
799 if (!paintPending && !paintArea.isEmpty()
800 && !AWTAccessor.getComponentAccessor().getIgnoreRepaint(target))
801 {
802 // if not waiting for native painting repaint damaged area
803 postEvent(new PaintEvent(target, PaintEvent.PAINT,
804 new Rectangle()));
805 }
806 isLayouting = false;
807 }
808
809 public Color getWinBackground() {
810 return getPeerBackground();
811 }
812
813 static int[] getRGBvals(Color c) {
814
815 int rgbvals[] = new int[3];
816
817 rgbvals[0] = c.getRed();
818 rgbvals[1] = c.getGreen();
819 rgbvals[2] = c.getBlue();
820
821 return rgbvals;
822 }
823
824 static final int BACKGROUND_COLOR = 0;
825 static final int HIGHLIGHT_COLOR = 1;
826 static final int SHADOW_COLOR = 2;
827 static final int FOREGROUND_COLOR = 3;
828
829 public Color[] getGUIcolors() {
830 Color c[] = new Color[4];
831 float backb, highb, shadowb, hue, saturation;
832 c[BACKGROUND_COLOR] = getWinBackground();
833 if (c[BACKGROUND_COLOR] == null) {
834 c[BACKGROUND_COLOR] = super.getWinBackground();
835 }
836 if (c[BACKGROUND_COLOR] == null) {
837 c[BACKGROUND_COLOR] = Color.lightGray;
838 }
839
840 int[] rgb = getRGBvals(c[BACKGROUND_COLOR]);
841
842 float[] hsb = Color.RGBtoHSB(rgb[0],rgb[1],rgb[2],null);
843
844 hue = hsb[0];
845 saturation = hsb[1];
846 backb = hsb[2];
847
848
849 /* Calculate Highlight Brightness */
850
851 highb = backb + 0.2f;
852 shadowb = backb - 0.4f;
853 if ((highb > 1.0) ) {
854 if ((1.0 - backb) < 0.05) {
855 highb = shadowb + 0.25f;
856 } else {
857 highb = 1.0f;
858 }
859 } else {
860 if (shadowb < 0.0) {
861 if ((backb - 0.0) < 0.25) {
862 highb = backb + 0.75f;
863 shadowb = highb - 0.2f;
864 } else {
865 shadowb = 0.0f;
866 }
867 }
868 }
869 c[HIGHLIGHT_COLOR] = Color.getHSBColor(hue,saturation,highb);
870 c[SHADOW_COLOR] = Color.getHSBColor(hue,saturation,shadowb);
871
872
873 /*
874 c[SHADOW_COLOR] = c[BACKGROUND_COLOR].darker();
875 int r2 = c[SHADOW_COLOR].getRed();
876 int g2 = c[SHADOW_COLOR].getGreen();
877 int b2 = c[SHADOW_COLOR].getBlue();
878 */
879
880 c[FOREGROUND_COLOR] = getPeerForeground();
881 if (c[FOREGROUND_COLOR] == null) {
882 c[FOREGROUND_COLOR] = Color.black;
883 }
884 /*
885 if ((c[BACKGROUND_COLOR].equals(c[HIGHLIGHT_COLOR]))
886 && (c[BACKGROUND_COLOR].equals(c[SHADOW_COLOR]))) {
887 c[SHADOW_COLOR] = new Color(c[BACKGROUND_COLOR].getRed() + 75,
888 c[BACKGROUND_COLOR].getGreen() + 75,
889 c[BACKGROUND_COLOR].getBlue() + 75);
890 c[HIGHLIGHT_COLOR] = c[SHADOW_COLOR].brighter();
891 } else if (c[BACKGROUND_COLOR].equals(c[HIGHLIGHT_COLOR])) {
892 c[HIGHLIGHT_COLOR] = c[SHADOW_COLOR];
893 c[SHADOW_COLOR] = c[SHADOW_COLOR].darker();
894 }
895 */
896 if (! isEnabled()) {
897 c[BACKGROUND_COLOR] = c[BACKGROUND_COLOR].darker();
898 // Reduce the contrast
899 // Calculate the NTSC gray (NB: REC709 L* might be better!)
900 // for foreground and background; then multiply the foreground
901 // by the average lightness
902
903
904 Color tc = c[BACKGROUND_COLOR];
905 int bg = tc.getRed() * 30 + tc.getGreen() * 59 + tc.getBlue() * 11;
906
907 tc = c[FOREGROUND_COLOR];
908 int fg = tc.getRed() * 30 + tc.getGreen() * 59 + tc.getBlue() * 11;
909
910 float ave = (float) ((fg + bg) / 51000.0);
911 // 255 * 100 * 2
912
913 Color newForeground = new Color((int) (tc.getRed() * ave),
914 (int) (tc.getGreen() * ave),
915 (int) (tc.getBlue() * ave));
916
917 if (newForeground.equals(c[FOREGROUND_COLOR])) {
918 // This probably means the foreground color is black or white
919 newForeground = new Color(ave, ave, ave);
920 }
921 c[FOREGROUND_COLOR] = newForeground;
922
923 }
924
925
926 return c;
927 }
928
929 /**
930 * Returns an array of Colors similar to getGUIcolors(), but using the
931 * System colors. This is useful if pieces of a Component (such as
932 * the integrated scrollbars of a List) should retain the System color
933 * instead of the background color set by Component.setBackground().
934 */
935 static Color[] getSystemColors() {
936 if (systemColors == null) {
937 systemColors = new Color[4];
938 systemColors[BACKGROUND_COLOR] = SystemColor.window;
939 systemColors[HIGHLIGHT_COLOR] = SystemColor.controlLtHighlight;
940 systemColors[SHADOW_COLOR] = SystemColor.controlShadow;
941 systemColors[FOREGROUND_COLOR] = SystemColor.windowText;
942 }
943 return systemColors;
944 }
945
946 /**
947 * Draw a 3D oval.
948 */
949 public void draw3DOval(Graphics g, Color colors[],
950 int x, int y, int w, int h, boolean raised)
951 {
952 Color c = g.getColor();
953 g.setColor(raised ? colors[HIGHLIGHT_COLOR] : colors[SHADOW_COLOR]);
954 g.drawArc(x, y, w, h, 45, 180);
955 g.setColor(raised ? colors[SHADOW_COLOR] : colors[HIGHLIGHT_COLOR]);
956 g.drawArc(x, y, w, h, 225, 180);
957 g.setColor(c);
958 }
959
960 public void draw3DRect(Graphics g, Color colors[],
961 int x, int y, int width, int height, boolean raised)
962 {
963 Color c = g.getColor();
964 g.setColor(raised ? colors[HIGHLIGHT_COLOR] : colors[SHADOW_COLOR]);
965 g.drawLine(x, y, x, y + height);
966 g.drawLine(x + 1, y, x + width - 1, y);
967 g.setColor(raised ? colors[SHADOW_COLOR] : colors[HIGHLIGHT_COLOR]);
968 g.drawLine(x + 1, y + height, x + width, y + height);
969 g.drawLine(x + width, y, x + width, y + height - 1);
970 g.setColor(c);
971 }
972
973 /*
974 * drawXXX() methods are used to print the native components by
975 * rendering the Motif look ourselves.
976 * ToDo(aim): needs to query native motif for more accurate color
977 * information.
978 */
979 void draw3DOval(Graphics g, Color bg,
980 int x, int y, int w, int h, boolean raised)
981 {
982 Color c = g.getColor();
983 Color shadow = bg.darker();
984 Color highlight = bg.brighter();
985
986 g.setColor(raised ? highlight : shadow);
987 g.drawArc(x, y, w, h, 45, 180);
988 g.setColor(raised ? shadow : highlight);
989 g.drawArc(x, y, w, h, 225, 180);
990 g.setColor(c);
991 }
992
993 void draw3DRect(Graphics g, Color bg,
994 int x, int y, int width, int height,
995 boolean raised) {
996 Color c = g.getColor();
997 Color shadow = bg.darker();
998 Color highlight = bg.brighter();
999
1000 g.setColor(raised ? highlight : shadow);
1001 g.drawLine(x, y, x, y + height);
1002 g.drawLine(x + 1, y, x + width - 1, y);
1003 g.setColor(raised ? shadow : highlight);
1004 g.drawLine(x + 1, y + height, x + width, y + height);
1005 g.drawLine(x + width, y, x + width, y + height - 1);
1006 g.setColor(c);
1007 }
1008
1009 void drawScrollbar(Graphics g, Color bg, int thickness, int length,
1010 int min, int max, int val, int vis, boolean horizontal) {
1011 Color c = g.getColor();
1012 double f = (double)(length - 2*(thickness-1)) / Math.max(1, ((max - min) + vis));
1013 int v1 = thickness + (int)(f * (val - min));
1014 int v2 = (int)(f * vis);
1015 int w2 = thickness-4;
1016 int tpts_x[] = new int[3];
1017 int tpts_y[] = new int[3];
1018
1019 if (length < 3*w2 ) {
1020 v1 = v2 = 0;
1021 if (length < 2*w2 + 2) {
1022 w2 = (length-2)/2;
1023 }
1024 } else if (v2 < 7) {
1025 // enforce a minimum handle size
1026 v1 = Math.max(0, v1 - ((7 - v2)>>1));
1027 v2 = 7;
1028 }
1029
1030 int ctr = thickness/2;
1031 int sbmin = ctr - w2/2;
1032 int sbmax = ctr + w2/2;
1033
1034 // paint the background slightly darker
1035 {
1036 Color d = new Color((int) (bg.getRed() * 0.85),
1037 (int) (bg.getGreen() * 0.85),
1038 (int) (bg.getBlue() * 0.85));
1039
1040 g.setColor(d);
1041 if (horizontal) {
1042 g.fillRect(0, 0, length, thickness);
1043 } else {
1044 g.fillRect(0, 0, thickness, length);
1045 }
1046 }
1047
1048 // paint the thumb and arrows in the normal background color
1049 g.setColor(bg);
1050 if (v1 > 0) {
1051 if (horizontal) {
1052 g.fillRect(v1, 3, v2, thickness-3);
1053 } else {
1054 g.fillRect(3, v1, thickness-3, v2);
1055 }
1056 }
1057
1058 tpts_x[0] = ctr; tpts_y[0] = 2;
1059 tpts_x[1] = sbmin; tpts_y[1] = w2;
1060 tpts_x[2] = sbmax; tpts_y[2] = w2;
1061 if (horizontal) {
1062 g.fillPolygon(tpts_y, tpts_x, 3);
1063 } else {
1064 g.fillPolygon(tpts_x, tpts_y, 3);
1065 }
1066
1067 tpts_y[0] = length-2;
1068 tpts_y[1] = length-w2;
1069 tpts_y[2] = length-w2;
1070 if (horizontal) {
1071 g.fillPolygon(tpts_y, tpts_x, 3);
1072 } else {
1073 g.fillPolygon(tpts_x, tpts_y, 3);
1074 }
1075
1076 Color highlight = bg.brighter();
1077
1078 // // // // draw the "highlighted" edges
1079 g.setColor(highlight);
1080
1081 // outline & arrows
1082 if (horizontal) {
1083 g.drawLine(1, thickness, length - 1, thickness);
1084 g.drawLine(length - 1, 1, length - 1, thickness);
1085
1086 // arrows
1087 g.drawLine(1, ctr, w2, sbmin);
1088 g.drawLine(length - w2, sbmin, length - w2, sbmax);
1089 g.drawLine(length - w2, sbmin, length - 2, ctr);
1090
1091 } else {
1092 g.drawLine(thickness, 1, thickness, length - 1);
1093 g.drawLine(1, length - 1, thickness, length - 1);
1094
1095 // arrows
1096 g.drawLine(ctr, 1, sbmin, w2);
1097 g.drawLine(sbmin, length - w2, sbmax, length - w2);
1098 g.drawLine(sbmin, length - w2, ctr, length - 2);
1099 }
1100
1101 // thumb
1102 if (v1 > 0) {
1103 if (horizontal) {
1104 g.drawLine(v1, 2, v1 + v2, 2);
1105 g.drawLine(v1, 2, v1, thickness-3);
1106 } else {
1107 g.drawLine(2, v1, 2, v1 + v2);
1108 g.drawLine(2, v1, thickness-3, v1);
1109 }
1110 }
1111
1112 Color shadow = bg.darker();
1113
1114 // // // // draw the "shadowed" edges
1115 g.setColor(shadow);
1116
1117 // outline && arrows
1118 if (horizontal) {
1119 g.drawLine(0, 0, 0, thickness);
1120 g.drawLine(0, 0, length - 1, 0);
1121
1122 // arrows
1123 g.drawLine(w2, sbmin, w2, sbmax);
1124 g.drawLine(w2, sbmax, 1, ctr);
1125 g.drawLine(length-2, ctr, length-w2, sbmax);
1126
1127 } else {
1128 g.drawLine(0, 0, thickness, 0);
1129 g.drawLine(0, 0, 0, length - 1);
1130
1131 // arrows
1132 g.drawLine(sbmin, w2, sbmax, w2);
1133 g.drawLine(sbmax, w2, ctr, 1);
1134 g.drawLine(ctr, length-2, sbmax, length-w2);
1135 }
1136
1137 // thumb
1138 if (v1 > 0) {
1139 if (horizontal) {
1140 g.drawLine(v1 + v2, 2, v1 + v2, thickness-2);
1141 g.drawLine(v1, thickness-2, v1 + v2, thickness-2);
1142 } else {
1143 g.drawLine(2, v1 + v2, thickness-2, v1 + v2);
1144 g.drawLine(thickness-2, v1, thickness-2, v1 + v2);
1145 }
1146 }
1147 g.setColor(c);
1148 }
1149
1150 /**
1151 * The following multibuffering-related methods delegate to our
1152 * associated GraphicsConfig (X11 or GLX) to handle the appropriate
1153 * native windowing system specific actions.
1154 */
1155
1156 private BufferCapabilities backBufferCaps;
1157
1158 public void createBuffers(int numBuffers, BufferCapabilities caps)
1159 throws AWTException
1160 {
1161 if (buffersLog.isLoggable(PlatformLogger.FINE)) {
1162 buffersLog.fine("createBuffers(" + numBuffers + ", " + caps + ")");
1163 }
1164 // set the caps first, they're used when creating the bb
1165 backBufferCaps = caps;
1166 backBuffer = graphicsConfig.createBackBuffer(this, numBuffers, caps);
1167 xBackBuffer = graphicsConfig.createBackBufferImage(target,
1168 backBuffer);
1169 }
1170
1171 @Override
1172 public BufferCapabilities getBackBufferCaps() {
1173 return backBufferCaps;
1174 }
1175
1176 public void flip(int x1, int y1, int x2, int y2,
1177 BufferCapabilities.FlipContents flipAction)
1178 {
1179 if (buffersLog.isLoggable(PlatformLogger.FINE)) {
1180 buffersLog.fine("flip(" + flipAction + ")");
1181 }
1182 if (backBuffer == 0) {
1183 throw new IllegalStateException("Buffers have not been created");
1184 }
1185 graphicsConfig.flip(this, target, xBackBuffer,
1186 x1, y1, x2, y2, flipAction);
1187 }
1188
1189 public Image getBackBuffer() {
1190 if (buffersLog.isLoggable(PlatformLogger.FINE)) {
1191 buffersLog.fine("getBackBuffer()");
1192 }
1193 if (backBuffer == 0) {
1194 throw new IllegalStateException("Buffers have not been created");
1195 }
1196 return xBackBuffer;
1197 }
1198
1199 public void destroyBuffers() {
1200 if (buffersLog.isLoggable(PlatformLogger.FINE)) {
1201 buffersLog.fine("destroyBuffers()");
1202 }
1203 graphicsConfig.destroyBackBuffer(backBuffer);
1204 backBuffer = 0;
1205 xBackBuffer = null;
1206 }
1207
1208 // End of multi-buffering
1209
1210 public void notifyTextComponentChange(boolean add){
1211 Container parent = AWTAccessor.getComponentAccessor().getParent(target);
1212 while(!(parent == null ||
1213 parent instanceof java.awt.Frame ||
1214 parent instanceof java.awt.Dialog)) {
1215 parent = AWTAccessor.getComponentAccessor().getParent(parent);
1216 }
1217
1218 /* FIX ME - FIX ME need to implement InputMethods
1219 if (parent instanceof java.awt.Frame ||
1220 parent instanceof java.awt.Dialog) {
1221 if (add)
1222 ((MInputMethodControl)parent.getPeer()).addTextComponent((MComponentPeer)this);
1223 else
1224 ((MInputMethodControl)parent.getPeer()).removeTextComponent((MComponentPeer)this);
1225 }
1226 */
1227 }
1228
1229 /**
1230 * Returns true if this event is disabled and shouldn't be processed by window
1231 * Currently if target component is disabled the following event will be disabled on window:
1232 * ButtonPress, ButtonRelease, KeyPress, KeyRelease, EnterNotify, LeaveNotify, MotionNotify
1233 */
1234 protected boolean isEventDisabled(XEvent e) {
1235 if (enableLog.isLoggable(PlatformLogger.FINEST)) {
1236 enableLog.finest("Component is {1}, checking for disabled event {0}", e, (isEnabled()?"enabled":"disable"));
1237 }
1238 if (!isEnabled()) {
1239 switch (e.get_type()) {
1240 case XConstants.ButtonPress:
1241 case XConstants.ButtonRelease:
1242 case XConstants.KeyPress:
1243 case XConstants.KeyRelease:
1244 case XConstants.EnterNotify:
1245 case XConstants.LeaveNotify:
1246 case XConstants.MotionNotify:
1247 if (enableLog.isLoggable(PlatformLogger.FINER)) {
1248 enableLog.finer("Event {0} is disable", e);
1249 }
1250 return true;
1251 }
1252 }
1253 switch(e.get_type()) {
1254 case XConstants.MapNotify:
1255 case XConstants.UnmapNotify:
1256 return true;
1257 }
1258 return super.isEventDisabled(e);
1259 }
1260
1261 Color getPeerBackground() {
1262 return background;
1263 }
1264
1265 Color getPeerForeground() {
1266 return foreground;
1267 }
1268
1269 Font getPeerFont() {
1270 return font;
1271 }
1272
1273 Dimension getPeerSize() {
1274 return new Dimension(width,height);
1275 }
1276
1277 public void setBoundsOperation(int operation) {
1278 synchronized(getStateLock()) {
1279 if (boundsOperation == DEFAULT_OPERATION) {
1280 boundsOperation = operation;
1281 } else if (operation == RESET_OPERATION) {
1282 boundsOperation = DEFAULT_OPERATION;
1283 }
1284 }
1285 }
1286
1287 static String operationToString(int operation) {
1288 switch (operation) {
1289 case SET_LOCATION:
1290 return "SET_LOCATION";
1291 case SET_SIZE:
1292 return "SET_SIZE";
1293 case SET_CLIENT_SIZE:
1294 return "SET_CLIENT_SIZE";
1295 default:
1296 case SET_BOUNDS:
1297 return "SET_BOUNDS";
1298 }
1299 }
1300
1301 /**
1302 * Lowers this component at the bottom of the above HW peer. If the above parameter
1303 * is null then the method places this component at the top of the Z-order.
1304 */
1305 public void setZOrder(ComponentPeer above) {
1306 long aboveWindow = (above != null) ? ((XComponentPeer)above).getWindow() : 0;
1307
1308 XToolkit.awtLock();
1309 try{
1310 XlibWrapper.SetZOrder(XToolkit.getDisplay(), getWindow(), aboveWindow);
1311 }finally{
1312 XToolkit.awtUnlock();
1313 }
1314 }
1315
1316 private void addTree(Collection order, Set set, Container cont) {
1317 for (int i = 0; i < cont.getComponentCount(); i++) {
1318 Component comp = cont.getComponent(i);
1319 ComponentPeer peer = comp.getPeer();
1320 if (peer instanceof XComponentPeer) {
1321 Long window = Long.valueOf(((XComponentPeer)peer).getWindow());
1322 if (!set.contains(window)) {
1323 set.add(window);
1324 order.add(window);
1325 }
1326 } else if (comp instanceof Container) {
1327 // It is lightweight container, it might contain heavyweight components attached to this
1328 // peer
1329 addTree(order, set, (Container)comp);
1330 }
1331 }
1332 }
1333
1334 /****** DropTargetPeer implementation ********************/
1335
1336 public void addDropTarget(DropTarget dt) {
1337 Component comp = target;
1338 while(!(comp == null || comp instanceof Window)) {
1339 comp = comp.getParent();
1340 }
1341
1342 if (comp instanceof Window) {
1343 XWindowPeer wpeer = (XWindowPeer)(comp.getPeer());
1344 if (wpeer != null) {
1345 wpeer.addDropTarget();
1346 }
1347 }
1348 }
1349
1350 public void removeDropTarget(DropTarget dt) {
1351 Component comp = target;
1352 while(!(comp == null || comp instanceof Window)) {
1353 comp = comp.getParent();
1354 }
1355
1356 if (comp instanceof Window) {
1357 XWindowPeer wpeer = (XWindowPeer)(comp.getPeer());
1358 if (wpeer != null) {
1359 wpeer.removeDropTarget();
1360 }
1361 }
1362 }
1363
1364 /**
1365 * Applies the shape to the X-window.
1366 * @since 1.7
1367 */
1368 public void applyShape(Region shape) {
1369 if (XlibUtil.isShapingSupported()) {
1370 if (shapeLog.isLoggable(PlatformLogger.FINER)) {
1371 shapeLog.finer(
1372 "*** INFO: Setting shape: PEER: " + this
1373 + "; WINDOW: " + getWindow()
1374 + "; TARGET: " + target
1375 + "; SHAPE: " + shape);
1376 }
1377 XToolkit.awtLock();
1378 try {
1379 if (shape != null) {
1380 XlibWrapper.SetRectangularShape(
1381 XToolkit.getDisplay(),
1382 getWindow(),
1383 shape.getLoX(), shape.getLoY(),
1384 shape.getHiX(), shape.getHiY(),
1385 (shape.isRectangular() ? null : shape)
1386 );
1387 } else {
1388 XlibWrapper.SetRectangularShape(
1389 XToolkit.getDisplay(),
1390 getWindow(),
1391 0, 0,
1392 0, 0,
1393 null
1394 );
1395 }
1396 } finally {
1397 XToolkit.awtUnlock();
1398 }
1399 } else {
1400 if (shapeLog.isLoggable(PlatformLogger.FINER)) {
1401 shapeLog.finer("*** WARNING: Shaping is NOT supported!");
1402 }
1403 }
1404 }
1405
1406 public boolean updateGraphicsData(GraphicsConfiguration gc) {
1407 int oldVisual = -1, newVisual = -1;
1408
1409 if (graphicsConfig != null) {
1410 oldVisual = graphicsConfig.getVisual();
1411 }
1412 if (gc != null && gc instanceof X11GraphicsConfig) {
1413 newVisual = ((X11GraphicsConfig)gc).getVisual();
1414 }
1415
1416 // If the new visual differs from the old one, the peer must be
1417 // recreated because X11 does not allow changing the visual on the fly.
1418 // So we even skip the initGraphicsConfiguration() call.
1419 // The initial assignment should happen though, hence the != -1 thing.
1420 if (oldVisual != -1 && oldVisual != newVisual) {
1421 return true;
1422 }
1423
1424 initGraphicsConfiguration();
1425 doValidateSurface();
1426 return false;
1427 }
1428 }