1 /*
2 * Copyright (c) 2002, 2014, 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.Objects;
65 import java.util.Set;
66 import sun.util.logging.PlatformLogger;
67 import sun.awt.*;
68 import sun.awt.event.IgnorePaintEvent;
69 import sun.awt.image.SunVolatileImage;
70 import sun.awt.image.ToolkitImage;
71 import sun.java2d.BackBufferCapsProvider;
72 import sun.java2d.pipe.Region;
73
74
75 public class XComponentPeer extends XWindow implements ComponentPeer, DropTargetPeer,
76 BackBufferCapsProvider
77 {
78 private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XComponentPeer");
79 private static final PlatformLogger buffersLog = PlatformLogger.getLogger("sun.awt.X11.XComponentPeer.multibuffer");
80 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.awt.X11.focus.XComponentPeer");
81 private static final PlatformLogger fontLog = PlatformLogger.getLogger("sun.awt.X11.font.XComponentPeer");
82 private static final PlatformLogger enableLog = PlatformLogger.getLogger("sun.awt.X11.enable.XComponentPeer");
83 private static final PlatformLogger shapeLog = PlatformLogger.getLogger("sun.awt.X11.shape.XComponentPeer");
84
85 boolean paintPending = false;
86 boolean isLayouting = false;
87 private boolean enabled;
88
89 // Actually used only by XDecoratedPeer
90 protected int boundsOperation;
91
92 Color foreground;
93 Color background;
94
95 // Colors calculated as on Motif using MotifColorUtilties.
96 // If you use these, call updateMotifColors() in the peer's Constructor and
97 // setBackground(). Examples are XCheckboxPeer and XButtonPeer.
98 Color darkShadow;
99 Color lightShadow;
100 Color selectColor;
101
102 Font font;
103 private long backBuffer = 0;
104 private VolatileImage xBackBuffer = null;
105
106 static Color[] systemColors;
107
108 XComponentPeer() {
109 }
110
111 XComponentPeer (XCreateWindowParams params) {
112 super(params);
113 }
114
115 XComponentPeer(Component target, long parentWindow, Rectangle bounds) {
116 super(target, parentWindow, bounds);
117 }
118
119 /**
120 * Standard peer constructor, with corresponding Component
121 */
122 XComponentPeer(Component target) {
123 super(target);
124 }
125
126
127 void preInit(XCreateWindowParams params) {
128 super.preInit(params);
129 boundsOperation = DEFAULT_OPERATION;
130 }
131 void postInit(XCreateWindowParams params) {
132 super.postInit(params);
133
134 pSetCursor(target.getCursor());
135
136 foreground = target.getForeground();
137 background = target.getBackground();
138 font = target.getFont();
139
140 if (isInitialReshape()) {
141 Rectangle r = target.getBounds();
142 reshape(r.x, r.y, r.width, r.height);
143 }
144
145 setEnabled(target.isEnabled());
146
147 if (target.isVisible()) {
148 setVisible(true);
149 }
150 }
151
152 protected boolean isInitialReshape() {
153 return true;
154 }
155
156 public void reparent(ContainerPeer newNativeParent) {
157 XComponentPeer newPeer = (XComponentPeer)newNativeParent;
158 XToolkit.awtLock();
159 try {
160 XlibWrapper.XReparentWindow(XToolkit.getDisplay(), getWindow(), newPeer.getContentWindow(), x, y);
161 parentWindow = newPeer;
162 } finally {
163 XToolkit.awtUnlock();
164 }
165 }
166 public boolean isReparentSupported() {
167 return System.getProperty("sun.awt.X11.XComponentPeer.reparentNotSupported", "false").equals("false");
168 }
169
170 public boolean isObscured() {
171 Container container = (target instanceof Container) ?
172 (Container)target : target.getParent();
173
174 if (container == null) {
175 return true;
176 }
177
178 Container parent;
179 while ((parent = container.getParent()) != null) {
180 container = parent;
181 }
182
183 if (container instanceof Window) {
184 XWindowPeer wpeer = (XWindowPeer)(container.getPeer());
185 if (wpeer != null) {
186 return (wpeer.winAttr.visibilityState !=
187 XWindowAttributesData.AWT_UNOBSCURED);
188 }
189 }
190 return true;
191 }
192
193 public boolean canDetermineObscurity() {
194 return true;
195 }
196
197 /*************************************************
198 * FOCUS STUFF
199 *************************************************/
200
201 /**
202 * Keeps the track of focused state of the _NATIVE_ window
203 */
204 boolean bHasFocus = false;
205
206 /**
207 * Descendants should use this method to determine whether or not native window
208 * has focus.
209 */
210 final public boolean hasFocus() {
211 return bHasFocus;
212 }
213
214 /**
215 * Called when component receives focus
216 */
217 public void focusGained(FocusEvent e) {
218 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
219 focusLog.fine("{0}", e);
220 }
221 bHasFocus = true;
222 }
223
224 /**
225 * Called when component loses focus
226 */
227 public void focusLost(FocusEvent e) {
228 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
229 focusLog.fine("{0}", e);
230 }
231 bHasFocus = false;
232 }
233
234 public boolean isFocusable() {
235 /* should be implemented by other sub-classes */
236 return false;
237 }
238
239 private static Class<?> seClass;
240 private static Constructor<?> seCtor;
241
242 final static AWTEvent wrapInSequenced(AWTEvent event) {
243 try {
244 if (seClass == null) {
245 seClass = Class.forName("java.awt.SequencedEvent");
246 }
247
248 if (seCtor == null) {
249 seCtor = AccessController.doPrivileged(new
250 PrivilegedExceptionAction<Constructor<?>>() {
251 public Constructor<?> run() throws Exception {
252 Constructor<?> ctor = seClass.getConstructor(
253 new Class<?>[] { AWTEvent.class });
254 ctor.setAccessible(true);
255 return ctor;
256 }
257 });
258 }
259
260 return (AWTEvent) seCtor.newInstance(new Object[] { event });
261 }
262 catch (ClassNotFoundException e) {
263 throw new NoClassDefFoundError("java.awt.SequencedEvent.");
264 }
265 catch (PrivilegedActionException ex) {
266 throw new NoClassDefFoundError("java.awt.SequencedEvent.");
267 }
268 catch (InstantiationException e) {
269 assert false;
270 }
271 catch (IllegalAccessException e) {
272 assert false;
273 }
274 catch (InvocationTargetException e) {
275 assert false;
276 }
277
278 return null;
279 }
280
281 // TODO: consider moving it to KeyboardFocusManagerPeerImpl
282 final public boolean requestFocus(Component lightweightChild, boolean temporary,
283 boolean focusedWindowChangeAllowed, long time,
284 CausedFocusEvent.Cause cause)
285 {
286 if (XKeyboardFocusManagerPeer.
287 processSynchronousLightweightTransfer(target, lightweightChild, temporary,
288 focusedWindowChangeAllowed, time))
289 {
290 return true;
291 }
292
293 int result = XKeyboardFocusManagerPeer.
294 shouldNativelyFocusHeavyweight(target, lightweightChild,
295 temporary, focusedWindowChangeAllowed,
296 time, cause);
297
298 switch (result) {
299 case XKeyboardFocusManagerPeer.SNFH_FAILURE:
300 return false;
301 case XKeyboardFocusManagerPeer.SNFH_SUCCESS_PROCEED:
302 // Currently we just generate focus events like we deal with lightweight instead of calling
303 // XSetInputFocus on native window
304 if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
305 focusLog.finer("Proceeding with request to " +
306 lightweightChild + " in " + target);
307 }
308 /**
309 * The problems with requests in non-focused window arise because shouldNativelyFocusHeavyweight
310 * checks that native window is focused while appropriate WINDOW_GAINED_FOCUS has not yet
311 * been processed - it is in EventQueue. Thus, SNFH allows native request and stores request record
312 * in requests list - and it breaks our requests sequence as first record on WGF should be the last
313 * focus owner which had focus before WLF. So, we should not add request record for such requests
314 * but store this component in mostRecent - and return true as before for compatibility.
315 */
316 Window parentWindow = SunToolkit.getContainingWindow(target);
317 if (parentWindow == null) {
318 return rejectFocusRequestHelper("WARNING: Parent window is null");
319 }
320 XWindowPeer wpeer = (XWindowPeer)parentWindow.getPeer();
321 if (wpeer == null) {
322 return rejectFocusRequestHelper("WARNING: Parent window's peer is null");
323 }
324 /*
325 * Passing null 'actualFocusedWindow' as we don't want to restore focus on it
326 * when a component inside a Frame is requesting focus.
327 * See 6314575 for details.
328 */
329 boolean res = wpeer.requestWindowFocus(null);
330
331 if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
332 focusLog.finer("Requested window focus: " + res);
333 }
334 // If parent window can be made focused and has been made focused(synchronously)
335 // then we can proceed with children, otherwise we retreat.
336 if (!(res && parentWindow.isFocused())) {
337 return rejectFocusRequestHelper("Waiting for asynchronous processing of the request");
338 }
339 return XKeyboardFocusManagerPeer.deliverFocus(lightweightChild,
340 target,
341 temporary,
342 focusedWindowChangeAllowed,
343 time, cause);
344 // Motif compatibility code
345 case XKeyboardFocusManagerPeer.SNFH_SUCCESS_HANDLED:
346 // Either lightweight or excessive request - all events are generated.
347 return true;
348 }
349 return false;
350 }
351
352 private boolean rejectFocusRequestHelper(String logMsg) {
353 if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
354 focusLog.finer(logMsg);
355 }
356 XKeyboardFocusManagerPeer.removeLastFocusRequest(target);
357 return false;
358 }
359
360 void handleJavaFocusEvent(AWTEvent e) {
361 if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
362 focusLog.finer(e.toString());
363 }
364 if (e.getID() == FocusEvent.FOCUS_GAINED) {
365 focusGained((FocusEvent)e);
366 } else {
367 focusLost((FocusEvent)e);
368 }
369 }
370
371 void handleJavaWindowFocusEvent(AWTEvent e) {
372 }
373
374 /*************************************************
375 * END OF FOCUS STUFF
376 *************************************************/
377
378
379
380 public void setVisible(boolean b) {
381 xSetVisible(b);
382 }
383
384 public void hide() {
385 setVisible(false);
386 }
387
388 /**
389 * @see java.awt.peer.ComponentPeer
390 */
391 public void setEnabled(final boolean value) {
392 if (enableLog.isLoggable(PlatformLogger.Level.FINE)) {
393 enableLog.fine("{0}ing {1}", (value ? "Enabl" : "Disabl"), this);
394 }
395 boolean status = value;
396 // If any of our heavyweight ancestors are disable, we should be too
397 // See 6176875 for more information
398 final Container cp = SunToolkit.getNativeContainer(target);
399 if (cp != null) {
400 status &= ((XComponentPeer) cp.getPeer()).isEnabled();
401 }
402 synchronized (getStateLock()) {
403 if (enabled == status) {
404 return;
405 }
406 enabled = status;
407 }
408
409 if (target instanceof Container) {
410 final Component[] list = ((Container) target).getComponents();
411 for (final Component child : list) {
412 final ComponentPeer p = child.getPeer();
413 if (p != null) {
414 p.setEnabled(status && child.isEnabled());
415 }
416 }
417 }
418 repaint();
419 }
420
421 //
422 // public so aw/Window can call it
423 //
424 public final boolean isEnabled() {
425 synchronized (getStateLock()) {
426 return enabled;
427 }
428 }
429
430 @Override
431 public void paint(final Graphics g) {
432 super.paint(g);
433 // allow target to change the picture
434 target.paint(g);
435 }
436
437 public Graphics getGraphics() {
438 return getGraphics(surfaceData, getPeerForeground(), getPeerBackground(), getPeerFont());
439 }
440 public void print(Graphics g) {
441 // clear rect here to emulate X clears rect before Expose
442 g.setColor(target.getBackground());
443 g.fillRect(0, 0, target.getWidth(), target.getHeight());
444 g.setColor(target.getForeground());
445 // paint peer
446 paintPeer(g);
447 // allow target to change the picture
448 target.print(g);
449 }
450
451 public void setBounds(int x, int y, int width, int height, int op) {
452 this.x = x;
453 this.y = y;
454 this.width = width;
455 this.height = height;
456 xSetBounds(x,y,width,height);
457 validateSurface();
458 layout();
459 }
460
461 public void reshape(int x, int y, int width, int height) {
462 setBounds(x, y, width, height, SET_BOUNDS);
463 }
464
465 public void coalescePaintEvent(PaintEvent e) {
466 Rectangle r = e.getUpdateRect();
467 if (!(e instanceof IgnorePaintEvent)) {
468 paintArea.add(r, e.getID());
469 }
470 if (true) {
471 switch(e.getID()) {
472 case PaintEvent.UPDATE:
473 if (log.isLoggable(PlatformLogger.Level.FINER)) {
474 log.finer("XCP coalescePaintEvent : UPDATE : add : x = " +
475 r.x + ", y = " + r.y + ", width = " + r.width + ",height = " + r.height);
476 }
477 return;
478 case PaintEvent.PAINT:
479 if (log.isLoggable(PlatformLogger.Level.FINER)) {
480 log.finer("XCP coalescePaintEvent : PAINT : add : x = " +
481 r.x + ", y = " + r.y + ", width = " + r.width + ",height = " + r.height);
482 }
483 return;
484 }
485 }
486 }
487
488 XWindowPeer getParentTopLevel() {
489 AWTAccessor.ComponentAccessor compAccessor = AWTAccessor.getComponentAccessor();
490 Container parent = (target instanceof Container) ? ((Container)target) : (compAccessor.getParent(target));
491 // Search for parent window
492 while (parent != null && !(parent instanceof Window)) {
493 parent = compAccessor.getParent(parent);
494 }
495 if (parent != null) {
496 return (XWindowPeer)compAccessor.getPeer(parent);
497 } else {
498 return null;
499 }
500 }
501
502 /* This method is intended to be over-ridden by peers to perform user interaction */
503 void handleJavaMouseEvent(MouseEvent e) {
504 switch (e.getID()) {
505 case MouseEvent.MOUSE_PRESSED:
506 if (target == e.getSource() &&
507 !target.isFocusOwner() &&
508 XKeyboardFocusManagerPeer.shouldFocusOnClick(target))
509 {
510 XWindowPeer parentXWindow = getParentTopLevel();
511 Window parentWindow = ((Window)parentXWindow.getTarget());
512 // Simple windows are non-focusable in X terms but focusable in Java terms.
513 // As X-non-focusable they don't receive any focus events - we should generate them
514 // by ourselfves.
515 // if (parentXWindow.isFocusableWindow() /*&& parentXWindow.isSimpleWindow()*/ &&
516 // !(getCurrentNativeFocusedWindow() == parentWindow))
517 // {
518 // setCurrentNativeFocusedWindow(parentWindow);
519 // WindowEvent wfg = new WindowEvent(parentWindow, WindowEvent.WINDOW_GAINED_FOCUS);
520 // parentWindow.dispatchEvent(wfg);
521 // }
522 XKeyboardFocusManagerPeer.requestFocusFor(target, CausedFocusEvent.Cause.MOUSE_EVENT);
523 }
524 break;
525 }
526 }
527
528 /* This method is intended to be over-ridden by peers to perform user interaction */
529 void handleJavaKeyEvent(KeyEvent e) {
530 }
531
532 /* This method is intended to be over-ridden by peers to perform user interaction */
533 void handleJavaMouseWheelEvent(MouseWheelEvent e) {
534 }
535
536
537 /* This method is intended to be over-ridden by peers to perform user interaction */
538 void handleJavaInputMethodEvent(InputMethodEvent e) {
539 }
540
541 void handleF10JavaKeyEvent(KeyEvent e) {
542 if (e.getID() == KeyEvent.KEY_PRESSED && e.getKeyCode() == KeyEvent.VK_F10) {
543 XWindowPeer winPeer = this.getToplevelXWindow();
544 if (winPeer instanceof XFramePeer) {
545 XMenuBarPeer mPeer = ((XFramePeer)winPeer).getMenubarPeer();
546 if (mPeer != null) {
547 mPeer.handleF10KeyPress(e);
548 }
549 }
550 }
551 }
552
553 @SuppressWarnings("fallthrough")
554 public void handleEvent(java.awt.AWTEvent e) {
555 if ((e instanceof InputEvent) && !((InputEvent)e).isConsumed() && target.isEnabled()) {
556 if (e instanceof MouseEvent) {
557 if (e instanceof MouseWheelEvent) {
558 handleJavaMouseWheelEvent((MouseWheelEvent) e);
559 }
560 else
561 handleJavaMouseEvent((MouseEvent) e);
562 }
563 else if (e instanceof KeyEvent) {
564 handleF10JavaKeyEvent((KeyEvent)e);
565 handleJavaKeyEvent((KeyEvent)e);
566 }
567 }
568 else if (e instanceof KeyEvent && !((InputEvent)e).isConsumed()) {
569 // even if target is disabled.
570 handleF10JavaKeyEvent((KeyEvent)e);
571 }
572 else if (e instanceof InputMethodEvent) {
573 handleJavaInputMethodEvent((InputMethodEvent) e);
574 }
575
576 int id = e.getID();
577
578 switch(id) {
579 case PaintEvent.PAINT:
580 // Got native painting
581 paintPending = false;
582 // Fallthrough to next statement
583 case PaintEvent.UPDATE:
584 // Skip all painting while layouting and all UPDATEs
585 // while waiting for native paint
586 if (!isLayouting && !paintPending) {
587 paintArea.paint(target,false);
588 }
589 return;
590 case FocusEvent.FOCUS_LOST:
591 case FocusEvent.FOCUS_GAINED:
592 handleJavaFocusEvent(e);
593 break;
594 case WindowEvent.WINDOW_LOST_FOCUS:
595 case WindowEvent.WINDOW_GAINED_FOCUS:
596 handleJavaWindowFocusEvent(e);
597 break;
598 default:
599 break;
600 }
601
602 }
603
604 public Dimension getMinimumSize() {
605 return target.getSize();
606 }
607
608 public Dimension getPreferredSize() {
609 return getMinimumSize();
610 }
611
612 public void layout() {}
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 @Override
643 public void setBackground(Color c) {
644 if (log.isLoggable(PlatformLogger.Level.FINE)) {
645 log.fine("Set background to " + c);
646 }
647 synchronized (getStateLock()) {
648 if (Objects.equals(background, c)) {
649 return;
650 }
651 background = c;
652 }
653 super.setBackground(c);
654 repaint();
655 }
656
657 @Override
658 public void setForeground(Color c) {
659 if (log.isLoggable(PlatformLogger.Level.FINE)) {
660 log.fine("Set foreground to " + c);
661 }
662 synchronized (getStateLock()) {
663 if (Objects.equals(foreground, c)) {
664 return;
665 }
666 foreground = c;
667 }
668 repaint();
669 }
670
671 /**
672 * Gets the font metrics for the specified font.
673 * @param font the font for which font metrics is to be
674 * obtained
675 * @return the font metrics for <code>font</code>
676 * @see #getFont
677 * @see #getPeer
678 * @see java.awt.peer.ComponentPeer#getFontMetrics(Font)
679 * @see Toolkit#getFontMetrics(Font)
680 * @since JDK1.0
681 */
682 public FontMetrics getFontMetrics(Font font) {
683 if (fontLog.isLoggable(PlatformLogger.Level.FINE)) {
684 fontLog.fine("Getting font metrics for " + font);
685 }
686 return sun.font.FontDesignMetrics.getMetrics(font);
687 }
688
689 @Override
690 public void setFont(Font f) {
691 if (f == null) {
692 f = XWindow.getDefaultFont();
693 }
694 synchronized (getStateLock()) {
695 if (f.equals(font)) {
696 return;
697 }
698 font = f;
699 }
700 // as it stands currently we don't need to do layout since
701 // layout is done in the Component upon setFont.
702 //layout();
703 repaint();
704 }
705
706 public Font getFont() {
707 return font;
708 }
709
710 public void updateCursorImmediately() {
711 XGlobalCursorManager.getCursorManager().updateCursorImmediately();
712 }
713
714 public final void pSetCursor(Cursor cursor) {
715 this.pSetCursor(cursor, true);
716 }
717
718 /*
719 * The method changes the cursor.
720 * @param cursor - a new cursor to change to.
721 * @param ignoreSubComponents - if {@code true} is passed then
722 * the new cursor will be installed on window.
723 * if {@code false} is passed then
724 * subsequent components will try to handle
725 * this request and install their cursor.
726 */
727 //ignoreSubComponents not used here
728 public void pSetCursor(Cursor cursor, boolean ignoreSubComponents) {
729 XToolkit.awtLock();
730 try {
731 long xcursor = XGlobalCursorManager.getCursor(cursor);
732
733 XSetWindowAttributes xwa = new XSetWindowAttributes();
734 xwa.set_cursor(xcursor);
735
736 long valuemask = XConstants.CWCursor;
737
738 XlibWrapper.XChangeWindowAttributes(XToolkit.getDisplay(),getWindow(),valuemask,xwa.pData);
739 XlibWrapper.XFlush(XToolkit.getDisplay());
740 xwa.dispose();
741 } finally {
742 XToolkit.awtUnlock();
743 }
744 }
745
746 public Image createImage(ImageProducer producer) {
747 return new ToolkitImage(producer);
748 }
749
750 public Image createImage(int width, int height) {
751 return graphicsConfig.createAcceleratedImage(target, width, height);
752 }
753
754 public VolatileImage createVolatileImage(int width, int height) {
755 return new SunVolatileImage(target, width, height);
756 }
757
758 public boolean prepareImage(Image img, int w, int h, ImageObserver o) {
759 return Toolkit.getDefaultToolkit().prepareImage(img, w, h, o);
760 }
761
762 public int checkImage(Image img, int w, int h, ImageObserver o) {
763 return Toolkit.getDefaultToolkit().checkImage(img, w, h, o);
764 }
765
766 public Dimension preferredSize() {
767 return getPreferredSize();
768 }
769
770 public Dimension minimumSize() {
771 return getMinimumSize();
772 }
773
774 public Insets getInsets() {
775 return new Insets(0, 0, 0, 0);
776 }
777
778 public void beginValidate() {
779 }
780
781 public void endValidate() {
782 }
783
784
785 /**
786 * DEPRECATED: Replaced by getInsets().
787 */
788
789 public Insets insets() {
790 return getInsets();
791 }
792
793 // Returns true if we are inside begin/endLayout and
794 // are waiting for native painting
795 public boolean isPaintPending() {
796 return paintPending && isLayouting;
797 }
798
799 public boolean handlesWheelScrolling() {
800 return false;
801 }
802
803 public void beginLayout() {
804 // Skip all painting till endLayout
805 isLayouting = true;
806
807 }
808
809 public void endLayout() {
810 if (!paintPending && !paintArea.isEmpty()
811 && !AWTAccessor.getComponentAccessor().getIgnoreRepaint(target))
812 {
813 // if not waiting for native painting repaint damaged area
814 postEvent(new PaintEvent(target, PaintEvent.PAINT,
815 new Rectangle()));
816 }
817 isLayouting = false;
818 }
819
820 public Color getWinBackground() {
821 return getPeerBackground();
822 }
823
824 static int[] getRGBvals(Color c) {
825
826 int rgbvals[] = new int[3];
827
828 rgbvals[0] = c.getRed();
829 rgbvals[1] = c.getGreen();
830 rgbvals[2] = c.getBlue();
831
832 return rgbvals;
833 }
834
835 static final int BACKGROUND_COLOR = 0;
836 static final int HIGHLIGHT_COLOR = 1;
837 static final int SHADOW_COLOR = 2;
838 static final int FOREGROUND_COLOR = 3;
839
840 public Color[] getGUIcolors() {
841 Color c[] = new Color[4];
842 float backb, highb, shadowb, hue, saturation;
843 c[BACKGROUND_COLOR] = getWinBackground();
844 if (c[BACKGROUND_COLOR] == null) {
845 c[BACKGROUND_COLOR] = super.getWinBackground();
846 }
847 if (c[BACKGROUND_COLOR] == null) {
848 c[BACKGROUND_COLOR] = Color.lightGray;
849 }
850
851 int[] rgb = getRGBvals(c[BACKGROUND_COLOR]);
852
853 float[] hsb = Color.RGBtoHSB(rgb[0],rgb[1],rgb[2],null);
854
855 hue = hsb[0];
856 saturation = hsb[1];
857 backb = hsb[2];
858
859
860 /* Calculate Highlight Brightness */
861
862 highb = backb + 0.2f;
863 shadowb = backb - 0.4f;
864 if ((highb > 1.0) ) {
865 if ((1.0 - backb) < 0.05) {
866 highb = shadowb + 0.25f;
867 } else {
868 highb = 1.0f;
869 }
870 } else {
871 if (shadowb < 0.0) {
872 if ((backb - 0.0) < 0.25) {
873 highb = backb + 0.75f;
874 shadowb = highb - 0.2f;
875 } else {
876 shadowb = 0.0f;
877 }
878 }
879 }
880 c[HIGHLIGHT_COLOR] = Color.getHSBColor(hue,saturation,highb);
881 c[SHADOW_COLOR] = Color.getHSBColor(hue,saturation,shadowb);
882
883
884 /*
885 c[SHADOW_COLOR] = c[BACKGROUND_COLOR].darker();
886 int r2 = c[SHADOW_COLOR].getRed();
887 int g2 = c[SHADOW_COLOR].getGreen();
888 int b2 = c[SHADOW_COLOR].getBlue();
889 */
890
891 c[FOREGROUND_COLOR] = getPeerForeground();
892 if (c[FOREGROUND_COLOR] == null) {
893 c[FOREGROUND_COLOR] = Color.black;
894 }
895 /*
896 if ((c[BACKGROUND_COLOR].equals(c[HIGHLIGHT_COLOR]))
897 && (c[BACKGROUND_COLOR].equals(c[SHADOW_COLOR]))) {
898 c[SHADOW_COLOR] = new Color(c[BACKGROUND_COLOR].getRed() + 75,
899 c[BACKGROUND_COLOR].getGreen() + 75,
900 c[BACKGROUND_COLOR].getBlue() + 75);
901 c[HIGHLIGHT_COLOR] = c[SHADOW_COLOR].brighter();
902 } else if (c[BACKGROUND_COLOR].equals(c[HIGHLIGHT_COLOR])) {
903 c[HIGHLIGHT_COLOR] = c[SHADOW_COLOR];
904 c[SHADOW_COLOR] = c[SHADOW_COLOR].darker();
905 }
906 */
907 if (! isEnabled()) {
908 c[BACKGROUND_COLOR] = c[BACKGROUND_COLOR].darker();
909 // Reduce the contrast
910 // Calculate the NTSC gray (NB: REC709 L* might be better!)
911 // for foreground and background; then multiply the foreground
912 // by the average lightness
913
914
915 Color tc = c[BACKGROUND_COLOR];
916 int bg = tc.getRed() * 30 + tc.getGreen() * 59 + tc.getBlue() * 11;
917
918 tc = c[FOREGROUND_COLOR];
919 int fg = tc.getRed() * 30 + tc.getGreen() * 59 + tc.getBlue() * 11;
920
921 float ave = (float) ((fg + bg) / 51000.0);
922 // 255 * 100 * 2
923
924 Color newForeground = new Color((int) (tc.getRed() * ave),
925 (int) (tc.getGreen() * ave),
926 (int) (tc.getBlue() * ave));
927
928 if (newForeground.equals(c[FOREGROUND_COLOR])) {
929 // This probably means the foreground color is black or white
930 newForeground = new Color(ave, ave, ave);
931 }
932 c[FOREGROUND_COLOR] = newForeground;
933
934 }
935
936
937 return c;
938 }
939
940 /**
941 * Returns an array of Colors similar to getGUIcolors(), but using the
942 * System colors. This is useful if pieces of a Component (such as
943 * the integrated scrollbars of a List) should retain the System color
944 * instead of the background color set by Component.setBackground().
945 */
946 static Color[] getSystemColors() {
947 if (systemColors == null) {
948 systemColors = new Color[4];
949 systemColors[BACKGROUND_COLOR] = SystemColor.window;
950 systemColors[HIGHLIGHT_COLOR] = SystemColor.controlLtHighlight;
951 systemColors[SHADOW_COLOR] = SystemColor.controlShadow;
952 systemColors[FOREGROUND_COLOR] = SystemColor.windowText;
953 }
954 return systemColors;
955 }
956
957 /**
958 * Draw a 3D oval.
959 */
960 public void draw3DOval(Graphics g, Color colors[],
961 int x, int y, int w, int h, boolean raised)
962 {
963 Color c = g.getColor();
964 g.setColor(raised ? colors[HIGHLIGHT_COLOR] : colors[SHADOW_COLOR]);
965 g.drawArc(x, y, w, h, 45, 180);
966 g.setColor(raised ? colors[SHADOW_COLOR] : colors[HIGHLIGHT_COLOR]);
967 g.drawArc(x, y, w, h, 225, 180);
968 g.setColor(c);
969 }
970
971 public void draw3DRect(Graphics g, Color colors[],
972 int x, int y, int width, int height, boolean raised)
973 {
974 Color c = g.getColor();
975 g.setColor(raised ? colors[HIGHLIGHT_COLOR] : colors[SHADOW_COLOR]);
976 g.drawLine(x, y, x, y + height);
977 g.drawLine(x + 1, y, x + width - 1, y);
978 g.setColor(raised ? colors[SHADOW_COLOR] : colors[HIGHLIGHT_COLOR]);
979 g.drawLine(x + 1, y + height, x + width, y + height);
980 g.drawLine(x + width, y, x + width, y + height - 1);
981 g.setColor(c);
982 }
983
984 /*
985 * drawXXX() methods are used to print the native components by
986 * rendering the Motif look ourselves.
987 * ToDo(aim): needs to query native motif for more accurate color
988 * information.
989 */
990 void draw3DOval(Graphics g, Color bg,
991 int x, int y, int w, int h, boolean raised)
992 {
993 Color c = g.getColor();
994 Color shadow = bg.darker();
995 Color highlight = bg.brighter();
996
997 g.setColor(raised ? highlight : shadow);
998 g.drawArc(x, y, w, h, 45, 180);
999 g.setColor(raised ? shadow : highlight);
1000 g.drawArc(x, y, w, h, 225, 180);
1001 g.setColor(c);
1002 }
1003
1004 void draw3DRect(Graphics g, Color bg,
1005 int x, int y, int width, int height,
1006 boolean raised) {
1007 Color c = g.getColor();
1008 Color shadow = bg.darker();
1009 Color highlight = bg.brighter();
1010
1011 g.setColor(raised ? highlight : shadow);
1012 g.drawLine(x, y, x, y + height);
1013 g.drawLine(x + 1, y, x + width - 1, y);
1014 g.setColor(raised ? shadow : highlight);
1015 g.drawLine(x + 1, y + height, x + width, y + height);
1016 g.drawLine(x + width, y, x + width, y + height - 1);
1017 g.setColor(c);
1018 }
1019
1020 void drawScrollbar(Graphics g, Color bg, int thickness, int length,
1021 int min, int max, int val, int vis, boolean horizontal) {
1022 Color c = g.getColor();
1023 double f = (double)(length - 2*(thickness-1)) / Math.max(1, ((max - min) + vis));
1024 int v1 = thickness + (int)(f * (val - min));
1025 int v2 = (int)(f * vis);
1026 int w2 = thickness-4;
1027 int tpts_x[] = new int[3];
1028 int tpts_y[] = new int[3];
1029
1030 if (length < 3*w2 ) {
1031 v1 = v2 = 0;
1032 if (length < 2*w2 + 2) {
1033 w2 = (length-2)/2;
1034 }
1035 } else if (v2 < 7) {
1036 // enforce a minimum handle size
1037 v1 = Math.max(0, v1 - ((7 - v2)>>1));
1038 v2 = 7;
1039 }
1040
1041 int ctr = thickness/2;
1042 int sbmin = ctr - w2/2;
1043 int sbmax = ctr + w2/2;
1044
1045 // paint the background slightly darker
1046 {
1047 Color d = new Color((int) (bg.getRed() * 0.85),
1048 (int) (bg.getGreen() * 0.85),
1049 (int) (bg.getBlue() * 0.85));
1050
1051 g.setColor(d);
1052 if (horizontal) {
1053 g.fillRect(0, 0, length, thickness);
1054 } else {
1055 g.fillRect(0, 0, thickness, length);
1056 }
1057 }
1058
1059 // paint the thumb and arrows in the normal background color
1060 g.setColor(bg);
1061 if (v1 > 0) {
1062 if (horizontal) {
1063 g.fillRect(v1, 3, v2, thickness-3);
1064 } else {
1065 g.fillRect(3, v1, thickness-3, v2);
1066 }
1067 }
1068
1069 tpts_x[0] = ctr; tpts_y[0] = 2;
1070 tpts_x[1] = sbmin; tpts_y[1] = w2;
1071 tpts_x[2] = sbmax; tpts_y[2] = w2;
1072 if (horizontal) {
1073 g.fillPolygon(tpts_y, tpts_x, 3);
1074 } else {
1075 g.fillPolygon(tpts_x, tpts_y, 3);
1076 }
1077
1078 tpts_y[0] = length-2;
1079 tpts_y[1] = length-w2;
1080 tpts_y[2] = length-w2;
1081 if (horizontal) {
1082 g.fillPolygon(tpts_y, tpts_x, 3);
1083 } else {
1084 g.fillPolygon(tpts_x, tpts_y, 3);
1085 }
1086
1087 Color highlight = bg.brighter();
1088
1089 // // // // draw the "highlighted" edges
1090 g.setColor(highlight);
1091
1092 // outline & arrows
1093 if (horizontal) {
1094 g.drawLine(1, thickness, length - 1, thickness);
1095 g.drawLine(length - 1, 1, length - 1, thickness);
1096
1097 // arrows
1098 g.drawLine(1, ctr, w2, sbmin);
1099 g.drawLine(length - w2, sbmin, length - w2, sbmax);
1100 g.drawLine(length - w2, sbmin, length - 2, ctr);
1101
1102 } else {
1103 g.drawLine(thickness, 1, thickness, length - 1);
1104 g.drawLine(1, length - 1, thickness, length - 1);
1105
1106 // arrows
1107 g.drawLine(ctr, 1, sbmin, w2);
1108 g.drawLine(sbmin, length - w2, sbmax, length - w2);
1109 g.drawLine(sbmin, length - w2, ctr, length - 2);
1110 }
1111
1112 // thumb
1113 if (v1 > 0) {
1114 if (horizontal) {
1115 g.drawLine(v1, 2, v1 + v2, 2);
1116 g.drawLine(v1, 2, v1, thickness-3);
1117 } else {
1118 g.drawLine(2, v1, 2, v1 + v2);
1119 g.drawLine(2, v1, thickness-3, v1);
1120 }
1121 }
1122
1123 Color shadow = bg.darker();
1124
1125 // // // // draw the "shadowed" edges
1126 g.setColor(shadow);
1127
1128 // outline && arrows
1129 if (horizontal) {
1130 g.drawLine(0, 0, 0, thickness);
1131 g.drawLine(0, 0, length - 1, 0);
1132
1133 // arrows
1134 g.drawLine(w2, sbmin, w2, sbmax);
1135 g.drawLine(w2, sbmax, 1, ctr);
1136 g.drawLine(length-2, ctr, length-w2, sbmax);
1137
1138 } else {
1139 g.drawLine(0, 0, thickness, 0);
1140 g.drawLine(0, 0, 0, length - 1);
1141
1142 // arrows
1143 g.drawLine(sbmin, w2, sbmax, w2);
1144 g.drawLine(sbmax, w2, ctr, 1);
1145 g.drawLine(ctr, length-2, sbmax, length-w2);
1146 }
1147
1148 // thumb
1149 if (v1 > 0) {
1150 if (horizontal) {
1151 g.drawLine(v1 + v2, 2, v1 + v2, thickness-2);
1152 g.drawLine(v1, thickness-2, v1 + v2, thickness-2);
1153 } else {
1154 g.drawLine(2, v1 + v2, thickness-2, v1 + v2);
1155 g.drawLine(thickness-2, v1, thickness-2, v1 + v2);
1156 }
1157 }
1158 g.setColor(c);
1159 }
1160
1161 /**
1162 * The following multibuffering-related methods delegate to our
1163 * associated GraphicsConfig (X11 or GLX) to handle the appropriate
1164 * native windowing system specific actions.
1165 */
1166
1167 private BufferCapabilities backBufferCaps;
1168
1169 public void createBuffers(int numBuffers, BufferCapabilities caps)
1170 throws AWTException
1171 {
1172 if (buffersLog.isLoggable(PlatformLogger.Level.FINE)) {
1173 buffersLog.fine("createBuffers(" + numBuffers + ", " + caps + ")");
1174 }
1175 // set the caps first, they're used when creating the bb
1176 backBufferCaps = caps;
1177 backBuffer = graphicsConfig.createBackBuffer(this, numBuffers, caps);
1178 xBackBuffer = graphicsConfig.createBackBufferImage(target,
1179 backBuffer);
1180 }
1181
1182 @Override
1183 public BufferCapabilities getBackBufferCaps() {
1184 return backBufferCaps;
1185 }
1186
1187 public void flip(int x1, int y1, int x2, int y2,
1188 BufferCapabilities.FlipContents flipAction)
1189 {
1190 if (buffersLog.isLoggable(PlatformLogger.Level.FINE)) {
1191 buffersLog.fine("flip(" + flipAction + ")");
1192 }
1193 if (backBuffer == 0) {
1194 throw new IllegalStateException("Buffers have not been created");
1195 }
1196 graphicsConfig.flip(this, target, xBackBuffer,
1197 x1, y1, x2, y2, flipAction);
1198 }
1199
1200 public Image getBackBuffer() {
1201 if (buffersLog.isLoggable(PlatformLogger.Level.FINE)) {
1202 buffersLog.fine("getBackBuffer()");
1203 }
1204 if (backBuffer == 0) {
1205 throw new IllegalStateException("Buffers have not been created");
1206 }
1207 return xBackBuffer;
1208 }
1209
1210 public void destroyBuffers() {
1211 if (buffersLog.isLoggable(PlatformLogger.Level.FINE)) {
1212 buffersLog.fine("destroyBuffers()");
1213 }
1214 graphicsConfig.destroyBackBuffer(backBuffer);
1215 backBuffer = 0;
1216 xBackBuffer = null;
1217 }
1218
1219 // End of multi-buffering
1220
1221 public void notifyTextComponentChange(boolean add){
1222 Container parent = AWTAccessor.getComponentAccessor().getParent(target);
1223 while(!(parent == null ||
1224 parent instanceof java.awt.Frame ||
1225 parent instanceof java.awt.Dialog)) {
1226 parent = AWTAccessor.getComponentAccessor().getParent(parent);
1227 }
1228
1229 /* FIX ME - FIX ME need to implement InputMethods
1230 if (parent instanceof java.awt.Frame ||
1231 parent instanceof java.awt.Dialog) {
1232 if (add)
1233 ((MInputMethodControl)parent.getPeer()).addTextComponent((MComponentPeer)this);
1234 else
1235 ((MInputMethodControl)parent.getPeer()).removeTextComponent((MComponentPeer)this);
1236 }
1237 */
1238 }
1239
1240 /**
1241 * Returns true if this event is disabled and shouldn't be processed by window
1242 * Currently if target component is disabled the following event will be disabled on window:
1243 * ButtonPress, ButtonRelease, KeyPress, KeyRelease, EnterNotify, LeaveNotify, MotionNotify
1244 */
1245 protected boolean isEventDisabled(XEvent e) {
1246 if (enableLog.isLoggable(PlatformLogger.Level.FINEST)) {
1247 enableLog.finest("Component is {1}, checking for disabled event {0}", e, (isEnabled()?"enabled":"disable"));
1248 }
1249 if (!isEnabled()) {
1250 switch (e.get_type()) {
1251 case XConstants.ButtonPress:
1252 case XConstants.ButtonRelease:
1253 case XConstants.KeyPress:
1254 case XConstants.KeyRelease:
1255 case XConstants.EnterNotify:
1256 case XConstants.LeaveNotify:
1257 case XConstants.MotionNotify:
1258 if (enableLog.isLoggable(PlatformLogger.Level.FINER)) {
1259 enableLog.finer("Event {0} is disable", e);
1260 }
1261 return true;
1262 }
1263 }
1264 switch(e.get_type()) {
1265 case XConstants.MapNotify:
1266 case XConstants.UnmapNotify:
1267 return true;
1268 }
1269 return super.isEventDisabled(e);
1270 }
1271
1272 Color getPeerBackground() {
1273 return background;
1274 }
1275
1276 Color getPeerForeground() {
1277 return foreground;
1278 }
1279
1280 Font getPeerFont() {
1281 return font;
1282 }
1283
1284 Dimension getPeerSize() {
1285 return new Dimension(width,height);
1286 }
1287
1288 public void setBoundsOperation(int operation) {
1289 synchronized(getStateLock()) {
1290 if (boundsOperation == DEFAULT_OPERATION) {
1291 boundsOperation = operation;
1292 } else if (operation == RESET_OPERATION) {
1293 boundsOperation = DEFAULT_OPERATION;
1294 }
1295 }
1296 }
1297
1298 static String operationToString(int operation) {
1299 switch (operation) {
1300 case SET_LOCATION:
1301 return "SET_LOCATION";
1302 case SET_SIZE:
1303 return "SET_SIZE";
1304 case SET_CLIENT_SIZE:
1305 return "SET_CLIENT_SIZE";
1306 default:
1307 case SET_BOUNDS:
1308 return "SET_BOUNDS";
1309 }
1310 }
1311
1312 /**
1313 * Lowers this component at the bottom of the above HW peer. If the above parameter
1314 * is null then the method places this component at the top of the Z-order.
1315 */
1316 public void setZOrder(ComponentPeer above) {
1317 long aboveWindow = (above != null) ? ((XComponentPeer)above).getWindow() : 0;
1318
1319 XToolkit.awtLock();
1320 try{
1321 XlibWrapper.SetZOrder(XToolkit.getDisplay(), getWindow(), aboveWindow);
1322 }finally{
1323 XToolkit.awtUnlock();
1324 }
1325 }
1326
1327 private void addTree(Collection<Long> order, Set<Long> set, Container cont) {
1328 for (int i = 0; i < cont.getComponentCount(); i++) {
1329 Component comp = cont.getComponent(i);
1330 ComponentPeer peer = comp.getPeer();
1331 if (peer instanceof XComponentPeer) {
1332 Long window = Long.valueOf(((XComponentPeer)peer).getWindow());
1333 if (!set.contains(window)) {
1334 set.add(window);
1335 order.add(window);
1336 }
1337 } else if (comp instanceof Container) {
1338 // It is lightweight container, it might contain heavyweight components attached to this
1339 // peer
1340 addTree(order, set, (Container)comp);
1341 }
1342 }
1343 }
1344
1345 /****** DropTargetPeer implementation ********************/
1346
1347 public void addDropTarget(DropTarget dt) {
1348 Component comp = target;
1349 while(!(comp == null || comp instanceof Window)) {
1350 comp = comp.getParent();
1351 }
1352
1353 if (comp instanceof Window) {
1354 XWindowPeer wpeer = (XWindowPeer)(comp.getPeer());
1355 if (wpeer != null) {
1356 wpeer.addDropTarget();
1357 }
1358 }
1359 }
1360
1361 public void removeDropTarget(DropTarget dt) {
1362 Component comp = target;
1363 while(!(comp == null || comp instanceof Window)) {
1364 comp = comp.getParent();
1365 }
1366
1367 if (comp instanceof Window) {
1368 XWindowPeer wpeer = (XWindowPeer)(comp.getPeer());
1369 if (wpeer != null) {
1370 wpeer.removeDropTarget();
1371 }
1372 }
1373 }
1374
1375 /**
1376 * Applies the shape to the X-window.
1377 * @since 1.7
1378 */
1379 public void applyShape(Region shape) {
1380 if (XlibUtil.isShapingSupported()) {
1381 if (shapeLog.isLoggable(PlatformLogger.Level.FINER)) {
1382 shapeLog.finer(
1383 "*** INFO: Setting shape: PEER: " + this
1384 + "; WINDOW: " + getWindow()
1385 + "; TARGET: " + target
1386 + "; SHAPE: " + shape);
1387 }
1388 XToolkit.awtLock();
1389 try {
1390 if (shape != null) {
1391 XlibWrapper.SetRectangularShape(
1392 XToolkit.getDisplay(),
1393 getWindow(),
1394 shape.getLoX(), shape.getLoY(),
1395 shape.getHiX(), shape.getHiY(),
1396 (shape.isRectangular() ? null : shape)
1397 );
1398 } else {
1399 XlibWrapper.SetRectangularShape(
1400 XToolkit.getDisplay(),
1401 getWindow(),
1402 0, 0,
1403 0, 0,
1404 null
1405 );
1406 }
1407 } finally {
1408 XToolkit.awtUnlock();
1409 }
1410 } else {
1411 if (shapeLog.isLoggable(PlatformLogger.Level.FINER)) {
1412 shapeLog.finer("*** WARNING: Shaping is NOT supported!");
1413 }
1414 }
1415 }
1416
1417 public boolean updateGraphicsData(GraphicsConfiguration gc) {
1418 int oldVisual = -1, newVisual = -1;
1419
1420 if (graphicsConfig != null) {
1421 oldVisual = graphicsConfig.getVisual();
1422 }
1423 if (gc != null && gc instanceof X11GraphicsConfig) {
1424 newVisual = ((X11GraphicsConfig)gc).getVisual();
1425 }
1426
1427 // If the new visual differs from the old one, the peer must be
1428 // recreated because X11 does not allow changing the visual on the fly.
1429 // So we even skip the initGraphicsConfiguration() call.
1430 // The initial assignment should happen though, hence the != -1 thing.
1431 if (oldVisual != -1 && oldVisual != newVisual) {
1432 return true;
1433 }
1434
1435 initGraphicsConfiguration();
1436 doValidateSurface();
1437 return false;
1438 }
1439 }