1 /*
2 * Copyright 2002-2009 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25 package sun.awt.X11;
26
27 import java.awt.*;
28
29 import java.awt.event.ComponentEvent;
30 import java.awt.event.FocusEvent;
31 import java.awt.event.WindowEvent;
32
33 import java.awt.image.BufferedImage;
34
35 import java.awt.peer.ComponentPeer;
36 import java.awt.peer.WindowPeer;
37
38 import java.util.ArrayList;
39 import java.util.HashSet;
40 import java.util.Iterator;
41 import java.util.Set;
42 import java.util.Vector;
43
44 import java.util.logging.Level;
45 import java.util.logging.Logger;
46
47 import sun.awt.AWTAccessor;
48 import sun.awt.ComponentAccessor;
49 import sun.awt.WindowAccessor;
50 import sun.awt.AWTAccessor;
51 import sun.awt.DisplayChangedListener;
52 import sun.awt.SunToolkit;
53 import sun.awt.X11GraphicsDevice;
54 import sun.awt.X11GraphicsEnvironment;
55
56 import sun.java2d.pipe.Region;
57
58 class XWindowPeer extends XPanelPeer implements WindowPeer,
59 DisplayChangedListener {
60
61 private static final Logger log = Logger.getLogger("sun.awt.X11.XWindowPeer");
62 private static final Logger focusLog = Logger.getLogger("sun.awt.X11.focus.XWindowPeer");
63 private static final Logger insLog = Logger.getLogger("sun.awt.X11.insets.XWindowPeer");
64 private static final Logger grabLog = Logger.getLogger("sun.awt.X11.grab.XWindowPeer");
65 private static final Logger iconLog = Logger.getLogger("sun.awt.X11.icon.XWindowPeer");
66
67 // should be synchronized on awtLock
68 private static Set<XWindowPeer> windows = new HashSet<XWindowPeer>();
69
70
71 private boolean cachedFocusableWindow;
72 XWarningWindow warningWindow;
73
74 private boolean alwaysOnTop;
75 private boolean locationByPlatform;
76
77 Dialog modalBlocker;
78 boolean delayedModalBlocking = false;
79 Dimension targetMinimumSize = null;
80
81 private XWindowPeer ownerPeer;
82
83 // used for modal blocking to keep existing z-order
84 protected XWindowPeer prevTransientFor, nextTransientFor;
85 // value of WM_TRANSIENT_FOR hint set on this window
86 private XWindowPeer curRealTransientFor;
87
88 private boolean grab = false; // Whether to do a grab during showing
89
90 private boolean isMapped = false; // Is this window mapped or not
91 private boolean mustControlStackPosition = false; // Am override-redirect not on top
92 private XEventDispatcher rootPropertyEventDispatcher = null;
93
94 /*
95 * Focus related flags
96 */
97 private boolean isUnhiding = false; // Is the window unhiding.
98 private boolean isBeforeFirstMapNotify = false; // Is the window (being shown) between
99 // setVisible(true) & handleMapNotify().
100
101 // It need to be accessed from XFramePeer.
102 protected Vector <ToplevelStateListener> toplevelStateListeners = new Vector<ToplevelStateListener>();
103 XWindowPeer(XCreateWindowParams params) {
104 super(params.putIfNull(PARENT_WINDOW, Long.valueOf(0)));
105 }
106
107 XWindowPeer(Window target) {
108 super(new XCreateWindowParams(new Object[] {
109 TARGET, target,
110 PARENT_WINDOW, Long.valueOf(0)}));
111 }
112
113 /*
114 * This constant defines icon size recommended for using.
115 * Apparently, we should use XGetIconSizes which should
116 * return icon sizes would be most appreciated by the WM.
117 * However, XGetIconSizes always returns 0 for some reason.
118 * So the constant has been introduced.
119 */
120 private static final int PREFERRED_SIZE_FOR_ICON = 128;
121
122 /*
123 * Sometimes XChangeProperty(_NET_WM_ICON) doesn't work if
124 * image buffer is too large. This constant holds maximum
125 * length of buffer which can be used with _NET_WM_ICON hint.
126 * It holds int's value.
127 */
128 private static final int MAXIMUM_BUFFER_LENGTH_NET_WM_ICON = (2<<15) - 1;
129
130 void preInit(XCreateWindowParams params) {
131 target = (Component)params.get(TARGET);
132 params.put(REPARENTED,
133 Boolean.valueOf(isOverrideRedirect() || isSimpleWindow()));
134 super.preInit(params);
135 params.putIfNull(BIT_GRAVITY, Integer.valueOf(XConstants.NorthWestGravity));
136
137 long eventMask = 0;
138 if (params.containsKey(EVENT_MASK)) {
139 eventMask = ((Long)params.get(EVENT_MASK));
140 }
141 eventMask |= XConstants.VisibilityChangeMask;
142 params.put(EVENT_MASK, eventMask);
143
144 XA_NET_WM_STATE = XAtom.get("_NET_WM_STATE");
145
146
147 params.put(OVERRIDE_REDIRECT, Boolean.valueOf(isOverrideRedirect()));
148
149 SunToolkit.awtLock();
150 try {
151 windows.add(this);
152 } finally {
153 SunToolkit.awtUnlock();
154 }
155
156 cachedFocusableWindow = isFocusableWindow();
157
158 Font f = target.getFont();
159 if (f == null) {
160 f = XWindow.getDefaultFont();
161 target.setFont(f);
162 // we should not call setFont because it will call a repaint
163 // which the peer may not be ready to do yet.
164 }
165 Color c = target.getBackground();
166 if (c == null) {
167 Color background = SystemColor.window;
168 target.setBackground(background);
169 // we should not call setBackGround because it will call a repaint
170 // which the peer may not be ready to do yet.
171 }
172 c = target.getForeground();
173 if (c == null) {
174 target.setForeground(SystemColor.windowText);
175 // we should not call setForeGround because it will call a repaint
176 // which the peer may not be ready to do yet.
177 }
178
179 alwaysOnTop = ((Window)target).isAlwaysOnTop() && ((Window)target).isAlwaysOnTopSupported();
180
181 GraphicsConfiguration gc = getGraphicsConfiguration();
182 ((X11GraphicsDevice)gc.getDevice()).addDisplayChangedListener(this);
183 }
184
185 protected String getWMName() {
186 String name = target.getName();
187 if (name == null || name.trim().equals("")) {
188 name = " ";
189 }
190 return name;
191 }
192
193 void postInit(XCreateWindowParams params) {
194 super.postInit(params);
195
196 // Init WM_PROTOCOLS atom
197 initWMProtocols();
198
199 // Set WM_TRANSIENT_FOR and group_leader
200 Window t_window = (Window)target;
201 Window owner = t_window.getOwner();
202 if (owner != null) {
203 ownerPeer = (XWindowPeer)owner.getPeer();
204 if (focusLog.isLoggable(Level.FINER)) {
205 focusLog.fine("Owner is " + owner);
206 focusLog.fine("Owner peer is " + ownerPeer);
207 focusLog.fine("Owner X window " + Long.toHexString(ownerPeer.getWindow()));
208 focusLog.fine("Owner content X window " + Long.toHexString(ownerPeer.getContentWindow()));
209 }
210 // as owner window may be an embedded window, we must get a toplevel window
211 // to set as TRANSIENT_FOR hint
212 long ownerWindow = ownerPeer.getWindow();
213 if (ownerWindow != 0) {
214 XToolkit.awtLock();
215 try {
216 // Set WM_TRANSIENT_FOR
217 if (focusLog.isLoggable(Level.FINE)) focusLog.fine("Setting transient on " + Long.toHexString(getWindow())
218 + " for " + Long.toHexString(ownerWindow));
219 setToplevelTransientFor(this, ownerPeer, false, true);
220
221 // Set group leader
222 XWMHints hints = getWMHints();
223 hints.set_flags(hints.get_flags() | (int)XUtilConstants.WindowGroupHint);
224 hints.set_window_group(ownerWindow);
225 XlibWrapper.XSetWMHints(XToolkit.getDisplay(), getWindow(), hints.pData);
226 }
227 finally {
228 XToolkit.awtUnlock();
229 }
230 }
231 }
232
233 // Init warning window(for applets)
234 if (((Window)target).getWarningString() != null) {
235 // accessSystemTray permission allows to display TrayIcon, TrayIcon tooltip
236 // and TrayIcon balloon windows without a warning window.
237 if (!WindowAccessor.isTrayIconWindow((Window)target)) {
238 warningWindow = new XWarningWindow((Window)target, getWindow(), this);
239 }
240 }
241
242 setSaveUnder(true);
243
244 updateIconImages();
245
246 updateShape();
247 updateOpacity();
248 // no need in updateOpaque() as it is no-op
249 }
250
251 public void updateIconImages() {
252 Window target = (Window)this.target;
253 java.util.List<Image> iconImages = ((Window)target).getIconImages();
254 XWindowPeer ownerPeer = getOwnerPeer();
255 winAttr.icons = new ArrayList<XIconInfo>();
256 if (iconImages.size() != 0) {
257 //read icon images from target
258 winAttr.iconsInherited = false;
259 for (Iterator<Image> i = iconImages.iterator(); i.hasNext(); ) {
260 Image image = i.next();
261 if (image == null) {
262 if (log.isLoggable(Level.FINEST)) {
263 log.finest("XWindowPeer.updateIconImages: Skipping the image passed into Java because it's null.");
264 }
265 continue;
266 }
267 XIconInfo iconInfo;
268 try {
269 iconInfo = new XIconInfo(image);
270 } catch (Exception e){
271 if (log.isLoggable(Level.FINEST)) {
272 log.finest("XWindowPeer.updateIconImages: Perhaps the image passed into Java is broken. Skipping this icon.");
273 }
274 continue;
275 }
276 if (iconInfo.isValid()) {
277 winAttr.icons.add(iconInfo);
278 }
279 }
280 }
281
282 // Fix for CR#6425089
283 winAttr.icons = normalizeIconImages(winAttr.icons);
284
285 if (winAttr.icons.size() == 0) {
286 //target.icons is empty or all icon images are broken
287 if (ownerPeer != null) {
288 //icon is inherited from parent
289 winAttr.iconsInherited = true;
290 winAttr.icons = ownerPeer.getIconInfo();
291 } else {
292 //default icon is used
293 winAttr.iconsInherited = false;
294 winAttr.icons = getDefaultIconInfo();
295 }
296 }
297 recursivelySetIcon(winAttr.icons);
298 }
299
300 /*
301 * Sometimes XChangeProperty(_NET_WM_ICON) doesn't work if
302 * image buffer is too large. This function help us accommodate
303 * initial list of the icon images to certainly-acceptable.
304 * It does scale some of these icons to appropriate size
305 * if it's necessary.
306 */
307 static java.util.List<XIconInfo> normalizeIconImages(java.util.List<XIconInfo> icons) {
308 java.util.List<XIconInfo> result = new ArrayList<XIconInfo>();
309 int totalLength = 0;
310 boolean haveLargeIcon = false;
311
312 for (XIconInfo icon : icons) {
313 int width = icon.getWidth();
314 int height = icon.getHeight();
315 int length = icon.getRawLength();
316
317 if (width > PREFERRED_SIZE_FOR_ICON || height > PREFERRED_SIZE_FOR_ICON) {
318 if (haveLargeIcon) {
319 continue;
320 }
321 int scaledWidth = width;
322 int scaledHeight = height;
323 while (scaledWidth > PREFERRED_SIZE_FOR_ICON ||
324 scaledHeight > PREFERRED_SIZE_FOR_ICON) {
325 scaledWidth = scaledWidth / 2;
326 scaledHeight = scaledHeight / 2;
327 }
328
329 icon.setScaledSize(scaledWidth, scaledHeight);
330 length = icon.getRawLength();
331 }
332
333 if (totalLength + length <= MAXIMUM_BUFFER_LENGTH_NET_WM_ICON) {
334 totalLength += length;
335 result.add(icon);
336 if (width > PREFERRED_SIZE_FOR_ICON || height > PREFERRED_SIZE_FOR_ICON) {
337 haveLargeIcon = true;
338 }
339 }
340 }
341
342 if (iconLog.isLoggable(Level.FINEST)) {
343 iconLog.log(Level.FINEST, ">>> Length_ of buffer of icons data: " + totalLength +
344 ", maximum length: " + MAXIMUM_BUFFER_LENGTH_NET_WM_ICON);
345 }
346
347 return result;
348 }
349
350 /*
351 * Dumps each icon from the list
352 */
353 static void dumpIcons(java.util.List<XIconInfo> icons) {
354 if (iconLog.isLoggable(Level.FINEST)) {
355 iconLog.log(Level.FINEST, ">>> Sizes of icon images:");
356 for (Iterator<XIconInfo> i = icons.iterator(); i.hasNext(); ) {
357 iconLog.log(Level.FINEST, " {0}", i.next());
358 }
359 }
360 }
361
362 public void recursivelySetIcon(java.util.List<XIconInfo> icons) {
363 dumpIcons(winAttr.icons);
364 setIconHints(icons);
365 Window target = (Window)this.target;
366 Window[] children = target.getOwnedWindows();
367 int cnt = children.length;
368 for (int i = 0; i < cnt; i++) {
369 ComponentPeer childPeer = children[i].getPeer();
370 if (childPeer != null && childPeer instanceof XWindowPeer) {
371 if (((XWindowPeer)childPeer).winAttr.iconsInherited) {
372 ((XWindowPeer)childPeer).winAttr.icons = icons;
373 ((XWindowPeer)childPeer).recursivelySetIcon(icons);
374 }
375 }
376 }
377 }
378
379 java.util.List<XIconInfo> getIconInfo() {
380 return winAttr.icons;
381 }
382 void setIconHints(java.util.List<XIconInfo> icons) {
383 //This does nothing for XWindowPeer,
384 //It's overriden in XDecoratedPeer
385 }
386
387 private static ArrayList<XIconInfo> defaultIconInfo;
388 protected synchronized static java.util.List<XIconInfo> getDefaultIconInfo() {
389 if (defaultIconInfo == null) {
390 defaultIconInfo = new ArrayList<XIconInfo>();
391 if (XlibWrapper.dataModel == 32) {
392 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon16_png.java_icon16_png));
393 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon24_png.java_icon24_png));
394 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon32_png.java_icon32_png));
395 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon48_png.java_icon48_png));
396 } else {
397 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon16_png.java_icon16_png));
398 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon24_png.java_icon24_png));
399 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon32_png.java_icon32_png));
400 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon48_png.java_icon48_png));
401 }
402 }
403 return defaultIconInfo;
404 }
405
406 private void updateShape() {
407 // Shape shape = ((Window)target).getShape();
408 Shape shape = AWTAccessor.getWindowAccessor().getShape((Window)target);
409 if (shape != null) {
410 applyShape(Region.getInstance(shape, null));
411 }
412 }
413
414 private void updateOpacity() {
415 // float opacity = ((Window)target).getOpacity();
416 float opacity = AWTAccessor.getWindowAccessor().getOpacity((Window)target);
417 if (opacity < 1.0f) {
418 setOpacity(opacity);
419 }
420 }
421
422 public void updateMinimumSize() {
423 //This function only saves minimumSize value in XWindowPeer
424 //Setting WMSizeHints is implemented in XDecoratedPeer
425 targetMinimumSize = (((Component)target).isMinimumSizeSet()) ?
426 ((Component)target).getMinimumSize() : null;
427 }
428
429 public Dimension getTargetMinimumSize() {
430 return (targetMinimumSize == null) ? null : new Dimension(targetMinimumSize);
431 }
432
433 public XWindowPeer getOwnerPeer() {
434 return ownerPeer;
435 }
436
437 //Fix for 6318144: PIT:Setting Min Size bigger than current size enlarges
438 //the window but fails to revalidate, Sol-CDE
439 //This bug is regression for
440 //5025858: Resizing a decorated frame triggers componentResized event twice.
441 //Since events are not posted from Component.setBounds we need to send them here.
442 //Note that this function is overriden in XDecoratedPeer so event
443 //posting is not changing for decorated peers
444 public void setBounds(int x, int y, int width, int height, int op) {
445 XToolkit.awtLock();
446 try {
447 Rectangle oldBounds = getBounds();
448
449 super.setBounds(x, y, width, height, op);
450
451 Rectangle bounds = getBounds();
452
453 XSizeHints hints = getHints();
454 setSizeHints(hints.get_flags() | XUtilConstants.PPosition | XUtilConstants.PSize,
455 bounds.x, bounds.y, bounds.width, bounds.height);
456 XWM.setMotifDecor(this, false, 0, 0);
457
458 XNETProtocol protocol = XWM.getWM().getNETProtocol();
459 if (protocol != null && protocol.active()) {
460 XAtomList net_wm_state = getNETWMState();
461 net_wm_state.add(protocol.XA_NET_WM_STATE_SKIP_TASKBAR);
462 setNETWMState(net_wm_state);
463 }
464
465
466 boolean isResized = !bounds.getSize().equals(oldBounds.getSize());
467 boolean isMoved = !bounds.getLocation().equals(oldBounds.getLocation());
468 if (isMoved || isResized) {
469 repositionSecurityWarning();
470 }
471 if (isResized) {
472 postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_RESIZED));
473 }
474 if (isMoved) {
475 postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_MOVED));
476 }
477 } finally {
478 XToolkit.awtUnlock();
479 }
480 }
481
482 void updateFocusability() {
483 updateFocusableWindowState();
484 XToolkit.awtLock();
485 try {
486 XWMHints hints = getWMHints();
487 hints.set_flags(hints.get_flags() | (int)XUtilConstants.InputHint);
488 hints.set_input(false/*isNativelyNonFocusableWindow() ? (0):(1)*/);
489 XlibWrapper.XSetWMHints(XToolkit.getDisplay(), getWindow(), hints.pData);
490 }
491 finally {
492 XToolkit.awtUnlock();
493 }
494 }
495
496 public Insets getInsets() {
497 return new Insets(0, 0, 0, 0);
498 }
499
500 // NOTE: This method may be called by privileged threads.
501 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
502 public void handleIconify() {
503 postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_ICONIFIED));
504 }
505
506 // NOTE: This method may be called by privileged threads.
507 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
508 public void handleDeiconify() {
509 postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_DEICONIFIED));
510 }
511
512 // NOTE: This method may be called by privileged threads.
513 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
514 public void handleStateChange(int oldState, int newState) {
515 postEvent(new WindowEvent((Window)target,
516 WindowEvent.WINDOW_STATE_CHANGED,
517 oldState, newState));
518 }
519
520 /**
521 * DEPRECATED: Replaced by getInsets().
522 */
523 public Insets insets() {
524 return getInsets();
525 }
526
527 boolean isAutoRequestFocus() {
528 if (XToolkit.isToolkitThread()) {
529 return WindowAccessor.isAutoRequestFocus((Window)target);
530 } else {
531 return ((Window)target).isAutoRequestFocus();
532 }
533 }
534
535 /*
536 * Retrives real native focused window and converts it into Java peer.
537 */
538 static XWindowPeer getNativeFocusedWindowPeer() {
539 XBaseWindow baseWindow = XToolkit.windowToXWindow(xGetInputFocus());
540 return (baseWindow instanceof XWindowPeer) ? (XWindowPeer)baseWindow :
541 (baseWindow instanceof XFocusProxyWindow) ?
542 ((XFocusProxyWindow)baseWindow).getOwner() : null;
543 }
544
545 /*
546 * Retrives real native focused window and converts it into Java window.
547 */
548 static Window getNativeFocusedWindow() {
549 XWindowPeer peer = getNativeFocusedWindowPeer();
550 return peer != null ? (Window)peer.target : null;
551 }
552
553 boolean isFocusableWindow() {
554 if (XToolkit.isToolkitThread() || SunToolkit.isAWTLockHeldByCurrentThread())
555 {
556 return cachedFocusableWindow;
557 } else {
558 return ((Window)target).isFocusableWindow();
559 }
560 }
561
562 /* WARNING: don't call client code in this method! */
563 boolean isFocusedWindowModalBlocker() {
564 return false;
565 }
566
567 long getFocusTargetWindow() {
568 return getContentWindow();
569 }
570
571 /**
572 * Returns whether or not this window peer has native X window
573 * configured as non-focusable window. It might happen if:
574 * - Java window is non-focusable
575 * - Java window is simple Window(not Frame or Dialog)
576 */
577 boolean isNativelyNonFocusableWindow() {
578 if (XToolkit.isToolkitThread() || SunToolkit.isAWTLockHeldByCurrentThread())
579 {
580 return isSimpleWindow() || !cachedFocusableWindow;
581 } else {
582 return isSimpleWindow() || !(((Window)target).isFocusableWindow());
583 }
584 }
585
586 public void handleWindowFocusIn_Dispatch() {
587 if (EventQueue.isDispatchThread()) {
588 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow((Window) target);
589 target.dispatchEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS));
590 }
591 }
592
593 public void handleWindowFocusInSync(long serial) {
594 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS);
595 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow((Window) target);
596 sendEvent(we);
597 }
598 // NOTE: This method may be called by privileged threads.
599 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
600 public void handleWindowFocusIn(long serial) {
601 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS);
602 /* wrap in Sequenced, then post*/
603 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow((Window) target);
604 postEvent(wrapInSequenced((AWTEvent) we));
605 }
606
607 // NOTE: This method may be called by privileged threads.
608 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
609 public void handleWindowFocusOut(Window oppositeWindow, long serial) {
610 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_LOST_FOCUS, oppositeWindow);
611 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow(null);
612 XKeyboardFocusManagerPeer.setCurrentNativeFocusOwner(null);
613 /* wrap in Sequenced, then post*/
614 postEvent(wrapInSequenced((AWTEvent) we));
615 }
616 public void handleWindowFocusOutSync(Window oppositeWindow, long serial) {
617 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_LOST_FOCUS, oppositeWindow);
618 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow(null);
619 XKeyboardFocusManagerPeer.setCurrentNativeFocusOwner(null);
620 sendEvent(we);
621 }
622
623 /* --- DisplayChangedListener Stuff --- */
624
625 /* Xinerama
626 * called to check if we've been moved onto a different screen
627 * Based on checkNewXineramaScreen() in awt_GraphicsEnv.c
628 */
629 public void checkIfOnNewScreen(Rectangle newBounds) {
630 if (!XToolkit.localEnv.runningXinerama()) {
631 return;
632 }
633
634 if (log.isLoggable(Level.FINEST)) {
635 log.finest("XWindowPeer: Check if we've been moved to a new screen since we're running in Xinerama mode");
636 }
637
638 int area = newBounds.width * newBounds.height;
639 int intAmt, vertAmt, horizAmt;
640 int largestAmt = 0;
641 int curScreenNum = ((X11GraphicsDevice)getGraphicsConfiguration().getDevice()).getScreen();
642 int newScreenNum = 0;
643 GraphicsDevice gds[] = XToolkit.localEnv.getScreenDevices();
644 GraphicsConfiguration newGC = null;
645 Rectangle screenBounds;
646
647 for (int i = 0; i < gds.length; i++) {
648 screenBounds = gds[i].getDefaultConfiguration().getBounds();
649 if (newBounds.intersects(screenBounds)) {
650 horizAmt = Math.min(newBounds.x + newBounds.width,
651 screenBounds.x + screenBounds.width) -
652 Math.max(newBounds.x, screenBounds.x);
653 vertAmt = Math.min(newBounds.y + newBounds.height,
654 screenBounds.y + screenBounds.height)-
655 Math.max(newBounds.y, screenBounds.y);
656 intAmt = horizAmt * vertAmt;
657 if (intAmt == area) {
658 // Completely on this screen - done!
659 newScreenNum = i;
660 newGC = gds[i].getDefaultConfiguration();
661 break;
662 }
663 if (intAmt > largestAmt) {
664 largestAmt = intAmt;
665 newScreenNum = i;
666 newGC = gds[i].getDefaultConfiguration();
667 }
668 }
669 }
670 if (newScreenNum != curScreenNum) {
671 if (log.isLoggable(Level.FINEST)) {
672 log.finest("XWindowPeer: Moved to a new screen");
673 }
674 executeDisplayChangedOnEDT(newGC);
675 }
676 }
677
678 /**
679 * Helper method that executes the displayChanged(screen) method on
680 * the event dispatch thread. This method is used in the Xinerama case
681 * and after display mode change events.
682 */
683 private void executeDisplayChangedOnEDT(final GraphicsConfiguration gc) {
684 Runnable dc = new Runnable() {
685 public void run() {
686 AWTAccessor.getComponentAccessor().
687 setGraphicsConfiguration((Component)target, gc);
688 }
689 };
690 SunToolkit.executeOnEventHandlerThread((Component)target, dc);
691 }
692
693 /**
694 * From the DisplayChangedListener interface; called from
695 * X11GraphicsDevice when the display mode has been changed.
696 */
697 public void displayChanged() {
698 executeDisplayChangedOnEDT(getGraphicsConfiguration());
699 }
700
701 /**
702 * From the DisplayChangedListener interface; top-levels do not need
703 * to react to this event.
704 */
705 public void paletteChanged() {
706 }
707
708 /*
709 * Overridden to check if we need to update our GraphicsDevice/Config
710 * Added for 4934052.
711 */
712 @Override
713 public void handleConfigureNotifyEvent(XEvent xev) {
714 // TODO: We create an XConfigureEvent every time we override
715 // handleConfigureNotify() - too many!
716 XConfigureEvent xe = xev.get_xconfigure();
717 checkIfOnNewScreen(new Rectangle(xe.get_x(),
718 xe.get_y(),
719 xe.get_width(),
720 xe.get_height()));
721
722 // Don't call super until we've handled a screen change. Otherwise
723 // there could be a race condition in which a ComponentListener could
724 // see the old screen.
725 super.handleConfigureNotifyEvent(xev);
726 repositionSecurityWarning();
727 }
728
729 final void requestXFocus(long time) {
730 requestXFocus(time, true);
731 }
732
733 final void requestXFocus() {
734 requestXFocus(0, false);
735 }
736
737 /**
738 * Requests focus to this top-level. Descendants should override to provide
739 * implementations based on a class of top-level.
740 */
741 protected void requestXFocus(long time, boolean timeProvided) {
742 // Since in XAWT focus is synthetic and all basic Windows are
743 // override_redirect all we can do is check whether our parent
744 // is active. If it is - we can freely synthesize focus transfer.
745 // Luckily, this logic is already implemented in requestWindowFocus.
746 if (focusLog.isLoggable(Level.FINE)) focusLog.fine("Requesting window focus");
747 requestWindowFocus(time, timeProvided);
748 }
749
750 public final boolean focusAllowedFor() {
751 if (isNativelyNonFocusableWindow()) {
752 return false;
753 }
754 /*
755 Window target = (Window)this.target;
756 if (!target.isVisible() ||
757 !target.isEnabled() ||
758 !target.isFocusable())
759 {
760 return false;
761 }
762 */
763 if (isModalBlocked()) {
764 return false;
765 }
766 return true;
767 }
768
769 public void handleFocusEvent(XEvent xev) {
770 XFocusChangeEvent xfe = xev.get_xfocus();
771 FocusEvent fe;
772 focusLog.log(Level.FINE, "{0}", new Object[] {xfe});
773 if (isEventDisabled(xev)) {
774 return;
775 }
776 if (xev.get_type() == XConstants.FocusIn)
777 {
778 // If this window is non-focusable don't post any java focus event
779 if (focusAllowedFor()) {
780 if (xfe.get_mode() == XConstants.NotifyNormal // Normal notify
781 || xfe.get_mode() == XConstants.NotifyWhileGrabbed) // Alt-Tab notify
782 {
783 handleWindowFocusIn(xfe.get_serial());
784 }
785 }
786 }
787 else
788 {
789 if (xfe.get_mode() == XConstants.NotifyNormal // Normal notify
790 || xfe.get_mode() == XConstants.NotifyWhileGrabbed) // Alt-Tab notify
791 {
792 // If this window is non-focusable don't post any java focus event
793 if (!isNativelyNonFocusableWindow()) {
794 XWindowPeer oppositeXWindow = getNativeFocusedWindowPeer();
795 Object oppositeTarget = (oppositeXWindow!=null)? oppositeXWindow.getTarget() : null;
796 Window oppositeWindow = null;
797 if (oppositeTarget instanceof Window) {
798 oppositeWindow = (Window) oppositeTarget;
799 }
800 // Check if opposite window is non-focusable. In that case we don't want to
801 // post any event.
802 if (oppositeXWindow != null && oppositeXWindow.isNativelyNonFocusableWindow()) {
803 return;
804 }
805 if (this == oppositeXWindow) {
806 oppositeWindow = null;
807 } else if (oppositeXWindow instanceof XDecoratedPeer) {
808 if (((XDecoratedPeer) oppositeXWindow).actualFocusedWindow != null) {
809 oppositeXWindow = ((XDecoratedPeer) oppositeXWindow).actualFocusedWindow;
810 oppositeTarget = oppositeXWindow.getTarget();
811 if (oppositeTarget instanceof Window
812 && oppositeXWindow.isVisible()
813 && oppositeXWindow.isNativelyNonFocusableWindow())
814 {
815 oppositeWindow = ((Window) oppositeTarget);
816 }
817 }
818 }
819 handleWindowFocusOut(oppositeWindow, xfe.get_serial());
820 }
821 }
822 }
823 }
824
825 void setSaveUnder(boolean state) {}
826
827 public void toFront() {
828 if (isOverrideRedirect() && mustControlStackPosition) {
829 mustControlStackPosition = false;
830 removeRootPropertyEventDispatcher();
831 }
832 if (isVisible()) {
833 super.toFront();
834 if (isFocusableWindow() && isAutoRequestFocus() &&
835 !isModalBlocked() && !isWithdrawn())
836 {
837 requestInitialFocus();
838 }
839 } else {
840 setVisible(true);
841 }
842 }
843
844 public void toBack() {
845 XToolkit.awtLock();
846 try {
847 if(!isOverrideRedirect()) {
848 XlibWrapper.XLowerWindow(XToolkit.getDisplay(), getWindow());
849 }else{
850 lowerOverrideRedirect();
851 }
852 }
853 finally {
854 XToolkit.awtUnlock();
855 }
856 }
857 private void lowerOverrideRedirect() {
858 //
859 // make new hash of toplevels of all windows from 'windows' hash.
860 // FIXME: do not call them "toplevel" as it is misleading.
861 //
862 HashSet toplevels = new HashSet();
863 long topl = 0, mytopl = 0;
864
865 for (XWindowPeer xp : windows) {
866 topl = getToplevelWindow( xp.getWindow() );
867 if( xp.equals( this ) ) {
868 mytopl = topl;
869 }
870 if( topl > 0 )
871 toplevels.add( Long.valueOf( topl ) );
872 }
873
874 //
875 // find in the root's tree:
876 // (1) my toplevel, (2) lowest java toplevel, (3) desktop
877 // We must enforce (3), (1), (2) order, upward;
878 // note that nautilus on the next restacking will do (1),(3),(2).
879 //
880 long laux, wDesktop = -1, wBottom = -1;
881 int iMy = -1, iDesktop = -1, iBottom = -1;
882 int i = 0;
883 XQueryTree xqt = new XQueryTree(XToolkit.getDefaultRootWindow());
884 try {
885 if( xqt.execute() > 0 ) {
886 int nchildren = xqt.get_nchildren();
887 long children = xqt.get_children();
888 for(i = 0; i < nchildren; i++) {
889 laux = Native.getWindow(children, i);
890 if( laux == mytopl ) {
891 iMy = i;
892 }else if( isDesktopWindow( laux ) ) {
893 // we need topmost desktop of them all.
894 iDesktop = i;
895 wDesktop = laux;
896 }else if(iBottom < 0 &&
897 toplevels.contains( Long.valueOf(laux) ) &&
898 laux != mytopl) {
899 iBottom = i;
900 wBottom = laux;
901 }
902 }
903 }
904
905 if( (iMy < iBottom || iBottom < 0 )&& iDesktop < iMy)
906 return; // no action necessary
907
908 long to_restack = Native.allocateLongArray(2);
909 Native.putLong(to_restack, 0, wBottom);
910 Native.putLong(to_restack, 1, mytopl);
911 XlibWrapper.XRestackWindows(XToolkit.getDisplay(), to_restack, 2);
912 XlibWrapper.unsafe.freeMemory(to_restack);
913
914
915 if( !mustControlStackPosition ) {
916 mustControlStackPosition = true;
917 // add root window property listener:
918 // somebody (eg nautilus desktop) may obscure us
919 addRootPropertyEventDispatcher();
920 }
921 } finally {
922 xqt.dispose();
923 }
924 }
925 /**
926 Get XID of closest to root window in a given window hierarchy.
927 FIXME: do not call it "toplevel" as it is misleading.
928 On error return 0.
929 */
930 private long getToplevelWindow( long w ) {
931 long wi = w, ret, root;
932 do {
933 ret = wi;
934 XQueryTree qt = new XQueryTree(wi);
935 try {
936 if (qt.execute() == 0) {
937 return 0;
938 }
939 root = qt.get_root();
940 wi = qt.get_parent();
941 } finally {
942 qt.dispose();
943 }
944
945 } while (wi != root);
946
947 return ret;
948 }
949
950 private static boolean isDesktopWindow( long wi ) {
951 return XWM.getWM().isDesktopWindow( wi );
952 }
953
954 private void updateAlwaysOnTop() {
955 log.log(Level.FINE, "Promoting always-on-top state {0}", Boolean.valueOf(alwaysOnTop));
956 XWM.getWM().setLayer(this,
957 alwaysOnTop ?
958 XLayerProtocol.LAYER_ALWAYS_ON_TOP :
959 XLayerProtocol.LAYER_NORMAL);
960 }
961
962 public void setAlwaysOnTop(boolean alwaysOnTop) {
963 this.alwaysOnTop = alwaysOnTop;
964 updateAlwaysOnTop();
965 }
966
967 boolean isLocationByPlatform() {
968 return locationByPlatform;
969 }
970
971 private void promoteDefaultPosition() {
972 this.locationByPlatform = ((Window)target).isLocationByPlatform();
973 if (locationByPlatform) {
974 XToolkit.awtLock();
975 try {
976 Rectangle bounds = getBounds();
977 XSizeHints hints = getHints();
978 setSizeHints(hints.get_flags() & ~(XUtilConstants.USPosition | XUtilConstants.PPosition),
979 bounds.x, bounds.y, bounds.width, bounds.height);
980 } finally {
981 XToolkit.awtUnlock();
982 }
983 }
984 }
985
986 public void setVisible(boolean vis) {
987 if (!isVisible() && vis) {
988 isBeforeFirstMapNotify = true;
989 winAttr.initialFocus = isAutoRequestFocus();
990 if (!winAttr.initialFocus) {
991 /*
992 * It's easier and safer to temporary suppress WM_TAKE_FOCUS
993 * protocol itself than to ignore WM_TAKE_FOCUS client message.
994 * Because we will have to make the difference between
995 * the message come after showing and the message come after
996 * activation. Also, on Metacity, for some reason, we have _two_
997 * WM_TAKE_FOCUS client messages when showing a frame/dialog.
998 */
999 suppressWmTakeFocus(true);
1000 }
1001 }
1002 updateFocusability();
1003 promoteDefaultPosition();
1004 if (!vis && warningWindow != null) {
1005 warningWindow.setSecurityWarningVisible(false, false);
1006 }
1007 super.setVisible(vis);
1008 if (!vis && !isWithdrawn()) {
1009 // ICCCM, 4.1.4. Changing Window State:
1010 // "Iconic -> Withdrawn - The client should unmap the window and follow it
1011 // with a synthetic UnmapNotify event as described later in this section."
1012 // The same is true for Normal -> Withdrawn
1013 XToolkit.awtLock();
1014 try {
1015 XUnmapEvent unmap = new XUnmapEvent();
1016 unmap.set_window(window);
1017 unmap.set_event(XToolkit.getDefaultRootWindow());
1018 unmap.set_type((int)XConstants.UnmapNotify);
1019 unmap.set_from_configure(false);
1020 XlibWrapper.XSendEvent(XToolkit.getDisplay(), XToolkit.getDefaultRootWindow(),
1021 false, XConstants.SubstructureNotifyMask | XConstants.SubstructureRedirectMask,
1022 unmap.pData);
1023 unmap.dispose();
1024 }
1025 finally {
1026 XToolkit.awtUnlock();
1027 }
1028 }
1029 // method called somewhere in parent does not generate configure-notify
1030 // event for override-redirect.
1031 // Ergo, no reshape and bugs like 5085647 in case setBounds was
1032 // called before setVisible.
1033 if (isOverrideRedirect() && vis) {
1034 updateChildrenSizes();
1035 }
1036 repositionSecurityWarning();
1037 }
1038
1039 protected void suppressWmTakeFocus(boolean doSuppress) {
1040 }
1041
1042 final boolean isSimpleWindow() {
1043 return !(target instanceof Frame || target instanceof Dialog);
1044 }
1045 boolean hasWarningWindow() {
1046 return ((Window)target).getWarningString() != null;
1047 }
1048
1049 // The height of menu bar window
1050 int getMenuBarHeight() {
1051 return 0;
1052 }
1053
1054 // Called when shell changes its size and requires children windows
1055 // to update their sizes appropriately
1056 void updateChildrenSizes() {
1057 }
1058
1059 public void repositionSecurityWarning() {
1060 // NOTE: On KWin if the window/border snapping option is enabled,
1061 // the Java window may be swinging while it's being moved.
1062 // This doesn't make the application unusable though looks quite ugly.
1063 // Probobly we need to find some hint to assign to our Security
1064 // Warning window in order to exclude it from the snapping option.
1065 // We are not currently aware of existance of such a property.
1066 if (warningWindow != null) {
1067 // We can't use the coordinates stored in the XBaseWindow since
1068 // they are zeros for decorated frames.
1069 int x = ComponentAccessor.getX(target);
1070 int y = ComponentAccessor.getY(target);
1071 int width = ComponentAccessor.getWidth(target);
1072 int height = ComponentAccessor.getHeight(target);
1073 warningWindow.reposition(x, y, width, height);
1074 }
1075 }
1076
1077 @Override
1078 protected void setMouseAbove(boolean above) {
1079 super.setMouseAbove(above);
1080 updateSecurityWarningVisibility();
1081 }
1082
1083 public void updateSecurityWarningVisibility() {
1084 if (warningWindow == null) {
1085 return;
1086 }
1087
1088 boolean show = false;
1089
1090 int state = getWMState();
1091
1092 if (!isVisible()) {
1093 return; // The warning window should already be hidden.
1094 }
1095
1096 // getWMState() always returns 0 (Withdrawn) for simple windows. Hence
1097 // we ignore the state for such windows.
1098 if (isVisible() && (state == XUtilConstants.NormalState || isSimpleWindow())) {
1099 if (XKeyboardFocusManagerPeer.getCurrentNativeFocusedWindow() ==
1100 getTarget())
1101 {
1102 show = true;
1103 }
1104
1105 if (isMouseAbove() || warningWindow.isMouseAbove())
1106 {
1107 show = true;
1108 }
1109 }
1110
1111 warningWindow.setSecurityWarningVisible(show, true);
1112 }
1113
1114 boolean isOverrideRedirect() {
1115 return (XWM.getWMID() == XWM.OPENLOOK_WM ? true : false) ||
1116 ((XToolkit)Toolkit.getDefaultToolkit()).isOverrideRedirect((Window)target) ||
1117 XTrayIconPeer.isTrayIconStuffWindow((Window)target);
1118 }
1119
1120 final boolean isOLWMDecorBug() {
1121 return XWM.getWMID() == XWM.OPENLOOK_WM &&
1122 winAttr.nativeDecor == false;
1123 }
1124
1125 public void dispose() {
1126 SunToolkit.awtLock();
1127 try {
1128 windows.remove(this);
1129 } finally {
1130 SunToolkit.awtUnlock();
1131 }
1132 if (warningWindow != null) {
1133 warningWindow.destroy();
1134 }
1135 removeRootPropertyEventDispatcher();
1136 mustControlStackPosition = false;
1137 super.dispose();
1138
1139 /*
1140 * Fix for 6457980.
1141 * When disposing an owned Window we should implicitly
1142 * return focus to its decorated owner because it won't
1143 * receive WM_TAKE_FOCUS.
1144 */
1145 if (isSimpleWindow()) {
1146 if (target == XKeyboardFocusManagerPeer.getCurrentNativeFocusedWindow()) {
1147 Window owner = getDecoratedOwner((Window)target);
1148 ((XWindowPeer)ComponentAccessor.getPeer(owner)).requestWindowFocus();
1149 }
1150 }
1151 }
1152 boolean isResizable() {
1153 return winAttr.isResizable;
1154 }
1155
1156 public void handleVisibilityEvent(XEvent xev) {
1157 super.handleVisibilityEvent(xev);
1158 XVisibilityEvent ve = xev.get_xvisibility();
1159 winAttr.visibilityState = ve.get_state();
1160 // if (ve.get_state() == XlibWrapper.VisibilityUnobscured) {
1161 // // raiseInputMethodWindow
1162 // }
1163 repositionSecurityWarning();
1164 }
1165
1166 void handleRootPropertyNotify(XEvent xev) {
1167 XPropertyEvent ev = xev.get_xproperty();
1168 if( mustControlStackPosition &&
1169 ev.get_atom() == XAtom.get("_NET_CLIENT_LIST_STACKING").getAtom()){
1170 // Restore stack order unhadled/spoiled by WM or some app (nautilus).
1171 // As of now, don't use any generic machinery: just
1172 // do toBack() again.
1173 if(isOverrideRedirect()) {
1174 toBack();
1175 }
1176 }
1177 }
1178
1179 public void handleMapNotifyEvent(XEvent xev) {
1180 // See 6480534.
1181 isUnhiding |= isWMStateNetHidden();
1182
1183 super.handleMapNotifyEvent(xev);
1184 if (!winAttr.initialFocus) {
1185 suppressWmTakeFocus(false); // restore the protocol.
1186 /*
1187 * For some reason, on Metacity, a frame/dialog being shown
1188 * without WM_TAKE_FOCUS protocol doesn't get moved to the front.
1189 * So, we do it evidently.
1190 */
1191 XToolkit.awtLock();
1192 try {
1193 XlibWrapper.XRaiseWindow(XToolkit.getDisplay(), getWindow());
1194 } finally {
1195 XToolkit.awtUnlock();
1196 }
1197 }
1198 if (shouldFocusOnMapNotify()) {
1199 focusLog.fine("Automatically request focus on window");
1200 requestInitialFocus();
1201 }
1202 isUnhiding = false;
1203 isBeforeFirstMapNotify = false;
1204 updateAlwaysOnTop();
1205
1206 synchronized (getStateLock()) {
1207 if (!isMapped) {
1208 isMapped = true;
1209 }
1210 }
1211 }
1212
1213 public void handleUnmapNotifyEvent(XEvent xev) {
1214 super.handleUnmapNotifyEvent(xev);
1215
1216 // On Metacity UnmapNotify comes before PropertyNotify (for _NET_WM_STATE_HIDDEN).
1217 // So we also check for the property later in MapNotify. See 6480534.
1218 isUnhiding |= isWMStateNetHidden();
1219
1220 synchronized (getStateLock()) {
1221 if (isMapped) {
1222 isMapped = false;
1223 }
1224 }
1225 }
1226
1227 private boolean shouldFocusOnMapNotify() {
1228 boolean res = false;
1229
1230 if (isBeforeFirstMapNotify) {
1231 res = (winAttr.initialFocus || // Window.autoRequestFocus
1232 isFocusedWindowModalBlocker());
1233 } else {
1234 res = isUnhiding; // Unhiding
1235 }
1236 res = res &&
1237 isFocusableWindow() && // General focusability
1238 !isModalBlocked(); // Modality
1239
1240 return res;
1241 }
1242
1243 protected boolean isWMStateNetHidden() {
1244 XNETProtocol protocol = XWM.getWM().getNETProtocol();
1245 return (protocol != null && protocol.isWMStateNetHidden(this));
1246 }
1247
1248 protected void requestInitialFocus() {
1249 requestXFocus();
1250 }
1251
1252 public void addToplevelStateListener(ToplevelStateListener l){
1253 toplevelStateListeners.add(l);
1254 }
1255
1256 public void removeToplevelStateListener(ToplevelStateListener l){
1257 toplevelStateListeners.remove(l);
1258 }
1259
1260 /**
1261 * Override this methods to get notifications when top-level window state changes. The state is
1262 * meant in terms of ICCCM: WithdrawnState, IconicState, NormalState
1263 */
1264 @Override
1265 protected void stateChanged(long time, int oldState, int newState) {
1266 // Fix for 6401700, 6412803
1267 // If this window is modal blocked, it is put into the transient_for
1268 // chain using prevTransientFor and nextTransientFor hints. However,
1269 // the real WM_TRANSIENT_FOR hint shouldn't be set for windows in
1270 // different WM states (except for owner-window relationship), so
1271 // if the window changes its state, its real WM_TRANSIENT_FOR hint
1272 // should be updated accordingly.
1273 updateTransientFor();
1274
1275 for (ToplevelStateListener topLevelListenerTmp : toplevelStateListeners) {
1276 topLevelListenerTmp.stateChangedICCCM(oldState, newState);
1277 }
1278
1279 updateSecurityWarningVisibility();
1280 }
1281
1282 boolean isWithdrawn() {
1283 return getWMState() == XUtilConstants.WithdrawnState;
1284 }
1285
1286 boolean hasDecorations(int decor) {
1287 if (!winAttr.nativeDecor) {
1288 return false;
1289 }
1290 else {
1291 int myDecor = winAttr.decorations;
1292 boolean hasBits = ((myDecor & decor) == decor);
1293 if ((myDecor & XWindowAttributesData.AWT_DECOR_ALL) != 0)
1294 return !hasBits;
1295 else
1296 return hasBits;
1297 }
1298 }
1299
1300 void setReparented(boolean newValue) {
1301 super.setReparented(newValue);
1302 XToolkit.awtLock();
1303 try {
1304 if (isReparented() && delayedModalBlocking) {
1305 addToTransientFors((XDialogPeer) ComponentAccessor.getPeer(modalBlocker));
1306 delayedModalBlocking = false;
1307 }
1308 } finally {
1309 XToolkit.awtUnlock();
1310 }
1311 }
1312
1313 /*
1314 * Returns a Vector of all Java top-level windows,
1315 * sorted by their current Z-order
1316 */
1317 static Vector<XWindowPeer> collectJavaToplevels() {
1318 Vector<XWindowPeer> javaToplevels = new Vector<XWindowPeer>();
1319 Vector<Long> v = new Vector<Long>();
1320 X11GraphicsEnvironment ge =
1321 (X11GraphicsEnvironment)GraphicsEnvironment.getLocalGraphicsEnvironment();
1322 GraphicsDevice[] gds = ge.getScreenDevices();
1323 if (!ge.runningXinerama() && (gds.length > 1)) {
1324 for (GraphicsDevice gd : gds) {
1325 int screen = ((X11GraphicsDevice)gd).getScreen();
1326 long rootWindow = XlibWrapper.RootWindow(XToolkit.getDisplay(), screen);
1327 v.add(rootWindow);
1328 }
1329 } else {
1330 v.add(XToolkit.getDefaultRootWindow());
1331 }
1332 final int windowsCount = windows.size();
1333 while ((v.size() > 0) && (javaToplevels.size() < windowsCount)) {
1334 long win = v.remove(0);
1335 XQueryTree qt = new XQueryTree(win);
1336 try {
1337 if (qt.execute() != 0) {
1338 int nchildren = qt.get_nchildren();
1339 long children = qt.get_children();
1340 // XQueryTree returns window children ordered by z-order
1341 for (int i = 0; i < nchildren; i++) {
1342 long child = Native.getWindow(children, i);
1343 XBaseWindow childWindow = XToolkit.windowToXWindow(child);
1344 // filter out Java non-toplevels
1345 if ((childWindow != null) && !(childWindow instanceof XWindowPeer)) {
1346 continue;
1347 } else {
1348 v.add(child);
1349 }
1350 if (childWindow instanceof XWindowPeer) {
1351 XWindowPeer np = (XWindowPeer)childWindow;
1352 javaToplevels.add(np);
1353 // XQueryTree returns windows sorted by their z-order. However,
1354 // if WM has not handled transient for hint for a child window,
1355 // it may appear in javaToplevels before its owner. Move such
1356 // children after their owners.
1357 int k = 0;
1358 XWindowPeer toCheck = javaToplevels.get(k);
1359 while (toCheck != np) {
1360 XWindowPeer toCheckOwnerPeer = toCheck.getOwnerPeer();
1361 if (toCheckOwnerPeer == np) {
1362 javaToplevels.remove(k);
1363 javaToplevels.add(toCheck);
1364 } else {
1365 k++;
1366 }
1367 toCheck = javaToplevels.get(k);
1368 }
1369 }
1370 }
1371 }
1372 } finally {
1373 qt.dispose();
1374 }
1375 }
1376 return javaToplevels;
1377 }
1378
1379 public void setModalBlocked(Dialog d, boolean blocked) {
1380 setModalBlocked(d, blocked, null);
1381 }
1382 public void setModalBlocked(Dialog d, boolean blocked,
1383 Vector<XWindowPeer> javaToplevels)
1384 {
1385 XToolkit.awtLock();
1386 try {
1387 // State lock should always be after awtLock
1388 synchronized(getStateLock()) {
1389 XDialogPeer blockerPeer = (XDialogPeer) ComponentAccessor.getPeer(d);
1390 if (blocked) {
1391 log.log(Level.FINE, "{0} is blocked by {1}", new Object[] { this, blockerPeer});
1392 modalBlocker = d;
1393
1394 if (isReparented() || XWM.isNonReparentingWM()) {
1395 addToTransientFors(blockerPeer, javaToplevels);
1396 } else {
1397 delayedModalBlocking = true;
1398 }
1399 } else {
1400 if (d != modalBlocker) {
1401 throw new IllegalStateException("Trying to unblock window blocked by another dialog");
1402 }
1403 modalBlocker = null;
1404
1405 if (isReparented() || XWM.isNonReparentingWM()) {
1406 removeFromTransientFors();
1407 } else {
1408 delayedModalBlocking = false;
1409 }
1410 }
1411
1412 updateTransientFor();
1413 }
1414 } finally {
1415 XToolkit.awtUnlock();
1416 }
1417 }
1418
1419 /*
1420 * Sets the TRANSIENT_FOR hint to the given top-level window. This
1421 * method is used when a window is modal blocked/unblocked or
1422 * changed its state from/to NormalState to/from other states.
1423 * If window or transientForWindow are embedded frames, the containing
1424 * top-level windows are used.
1425 *
1426 * @param window specifies the top-level window that the hint
1427 * is to be set to
1428 * @param transientForWindow the top-level window
1429 * @param updateChain specifies if next/prevTransientFor fields are
1430 * to be updated
1431 * @param allStates if set to <code>true</code> then TRANSIENT_FOR hint
1432 * is set regardless of the state of window and transientForWindow,
1433 * otherwise it is set only if both are in the same state
1434 */
1435 static void setToplevelTransientFor(XWindowPeer window, XWindowPeer transientForWindow,
1436 boolean updateChain, boolean allStates)
1437 {
1438 if ((window == null) || (transientForWindow == null)) {
1439 return;
1440 }
1441 if (updateChain) {
1442 window.prevTransientFor = transientForWindow;
1443 transientForWindow.nextTransientFor = window;
1444 }
1445 if (window.curRealTransientFor == transientForWindow) {
1446 return;
1447 }
1448 if (!allStates && (window.getWMState() != transientForWindow.getWMState())) {
1449 return;
1450 }
1451 if (window.getScreenNumber() != transientForWindow.getScreenNumber()) {
1452 return;
1453 }
1454 long bpw = window.getWindow();
1455 while (!XlibUtil.isToplevelWindow(bpw) && !XlibUtil.isXAWTToplevelWindow(bpw)) {
1456 bpw = XlibUtil.getParentWindow(bpw);
1457 }
1458 long tpw = transientForWindow.getWindow();
1459 while (!XlibUtil.isToplevelWindow(tpw) && !XlibUtil.isXAWTToplevelWindow(tpw)) {
1460 tpw = XlibUtil.getParentWindow(tpw);
1461 }
1462 XlibWrapper.XSetTransientFor(XToolkit.getDisplay(), bpw, tpw);
1463 window.curRealTransientFor = transientForWindow;
1464 }
1465
1466 /*
1467 * This method does nothing if this window is not blocked by any modal dialog.
1468 * For modal blocked windows this method looks up for the nearest
1469 * prevTransiendFor window that is in the same state (Normal/Iconified/Withdrawn)
1470 * as this one and makes this window transient for it. The same operation is
1471 * performed for nextTransientFor window.
1472 * Values of prevTransientFor and nextTransientFor fields are not changed.
1473 */
1474 void updateTransientFor() {
1475 int state = getWMState();
1476 XWindowPeer p = prevTransientFor;
1477 while ((p != null) && ((p.getWMState() != state) || (p.getScreenNumber() != getScreenNumber()))) {
1478 p = p.prevTransientFor;
1479 }
1480 if (p != null) {
1481 setToplevelTransientFor(this, p, false, false);
1482 } else {
1483 restoreTransientFor(this);
1484 }
1485 XWindowPeer n = nextTransientFor;
1486 while ((n != null) && ((n.getWMState() != state) || (n.getScreenNumber() != getScreenNumber()))) {
1487 n = n.nextTransientFor;
1488 }
1489 if (n != null) {
1490 setToplevelTransientFor(n, this, false, false);
1491 }
1492 }
1493
1494 /*
1495 * Removes the TRANSIENT_FOR hint from the given top-level window.
1496 * If window or transientForWindow are embedded frames, the containing
1497 * top-level windows are used.
1498 *
1499 * @param window specifies the top-level window that the hint
1500 * is to be removed from
1501 */
1502 private static void removeTransientForHint(XWindowPeer window) {
1503 XAtom XA_WM_TRANSIENT_FOR = XAtom.get(XAtom.XA_WM_TRANSIENT_FOR);
1504 long bpw = window.getWindow();
1505 while (!XlibUtil.isToplevelWindow(bpw) && !XlibUtil.isXAWTToplevelWindow(bpw)) {
1506 bpw = XlibUtil.getParentWindow(bpw);
1507 }
1508 XlibWrapper.XDeleteProperty(XToolkit.getDisplay(), bpw, XA_WM_TRANSIENT_FOR.getAtom());
1509 window.curRealTransientFor = null;
1510 }
1511
1512 /*
1513 * When a modal dialog is shown, all its blocked windows are lined up into
1514 * a chain in such a way that each window is a transient_for window for
1515 * the next one. That allows us to keep the modal dialog above all its
1516 * blocked windows (even if there are some another modal dialogs between
1517 * them).
1518 * This method adds this top-level window to the chain of the given modal
1519 * dialog. To keep the current relative z-order, we should use the
1520 * XQueryTree to find the place to insert this window to. As each window
1521 * can be blocked by only one modal dialog (such checks are performed in
1522 * shared code), both this and blockerPeer are on the top of their chains
1523 * (chains may be empty).
1524 * If this window is a modal dialog and has its own chain, these chains are
1525 * merged according to the current z-order (XQueryTree is used again).
1526 * Below are some simple examples (z-order is from left to right, -- is
1527 * modal blocking).
1528 *
1529 * Example 0:
1530 * T (current chain of this, no windows are blocked by this)
1531 * W1---B (current chain of blockerPeer, W2 is blocked by blockerPeer)
1532 * Result is:
1533 * W1-T-B (merged chain, all the windows are blocked by blockerPeer)
1534 *
1535 * Example 1:
1536 * W1-T (current chain of this, W1 is blocked by this)
1537 * W2-B (current chain of blockerPeer, W2 is blocked by blockerPeer)
1538 * Result is:
1539 * W1-T-W2-B (merged chain, all the windows are blocked by blockerPeer)
1540 *
1541 * Example 2:
1542 * W1----T (current chain of this, W1 is blocked by this)
1543 * W2---B (current chain of blockerPeer, W2 is blocked by blockerPeer)
1544 * Result is:
1545 * W1-W2-T-B (merged chain, all the windows are blocked by blockerPeer)
1546 *
1547 * This method should be called under the AWT lock.
1548 *
1549 * @see #removeFromTransientFors
1550 * @see #setModalBlocked
1551 */
1552 private void addToTransientFors(XDialogPeer blockerPeer) {
1553 addToTransientFors(blockerPeer, null);
1554 }
1555
1556 private void addToTransientFors(XDialogPeer blockerPeer, Vector<XWindowPeer> javaToplevels)
1557 {
1558 // blockerPeer chain iterator
1559 XWindowPeer blockerChain = blockerPeer;
1560 while (blockerChain.prevTransientFor != null) {
1561 blockerChain = blockerChain.prevTransientFor;
1562 }
1563 // this window chain iterator
1564 // each window can be blocked no more than once, so this window
1565 // is on top of its chain
1566 XWindowPeer thisChain = this;
1567 while (thisChain.prevTransientFor != null) {
1568 thisChain = thisChain.prevTransientFor;
1569 }
1570 // if there are no windows blocked by modalBlocker, simply add this window
1571 // and its chain to blocker's chain
1572 if (blockerChain == blockerPeer) {
1573 setToplevelTransientFor(blockerPeer, this, true, false);
1574 } else {
1575 // Collect all the Java top-levels, if required
1576 if (javaToplevels == null) {
1577 javaToplevels = collectJavaToplevels();
1578 }
1579 // merged chain tail
1580 XWindowPeer mergedChain = null;
1581 for (XWindowPeer w : javaToplevels) {
1582 XWindowPeer prevMergedChain = mergedChain;
1583 if (w == thisChain) {
1584 if (thisChain == this) {
1585 if (prevMergedChain != null) {
1586 setToplevelTransientFor(this, prevMergedChain, true, false);
1587 }
1588 setToplevelTransientFor(blockerChain, this, true, false);
1589 break;
1590 } else {
1591 mergedChain = thisChain;
1592 thisChain = thisChain.nextTransientFor;
1593 }
1594 } else if (w == blockerChain) {
1595 mergedChain = blockerChain;
1596 blockerChain = blockerChain.nextTransientFor;
1597 } else {
1598 continue;
1599 }
1600 if (prevMergedChain == null) {
1601 mergedChain.prevTransientFor = null;
1602 } else {
1603 setToplevelTransientFor(mergedChain, prevMergedChain, true, false);
1604 mergedChain.updateTransientFor();
1605 }
1606 if (blockerChain == blockerPeer) {
1607 setToplevelTransientFor(thisChain, mergedChain, true, false);
1608 setToplevelTransientFor(blockerChain, this, true, false);
1609 break;
1610 }
1611 }
1612 }
1613
1614 XToolkit.XSync();
1615 }
1616
1617 static void restoreTransientFor(XWindowPeer window) {
1618 XWindowPeer ownerPeer = window.getOwnerPeer();
1619 if (ownerPeer != null) {
1620 setToplevelTransientFor(window, ownerPeer, false, true);
1621 } else {
1622 removeTransientForHint(window);
1623 }
1624 }
1625
1626 /*
1627 * When a window is modally unblocked, it should be removed from its blocker
1628 * chain, see {@link #addToTransientFor addToTransientFors} method for the
1629 * chain definition.
1630 * The problem is that we cannot simply restore window's original
1631 * TRANSIENT_FOR hint (if any) and link prevTransientFor and
1632 * nextTransientFor together as the whole chain could be created as a merge
1633 * of two other chains in addToTransientFors. In that case, if this window is
1634 * a modal dialog, it would lost all its own chain, if we simply exclude it
1635 * from the chain.
1636 * The correct behaviour of this method should be to split the chain, this
1637 * window is currently in, into two chains. First chain is this window own
1638 * chain (i. e. all the windows blocked by this one, directly or indirectly),
1639 * if any, and the rest windows from the current chain.
1640 *
1641 * Example:
1642 * Original state:
1643 * W1-B1 (window W1 is blocked by B1)
1644 * W2-B2 (window W2 is blocked by B2)
1645 * B3 is shown and blocks B1 and B2:
1646 * W1-W2-B1-B2-B3 (a single chain after B1.addToTransientFors() and B2.addToTransientFors())
1647 * If we then unblock B1, the state should be:
1648 * W1-B1 (window W1 is blocked by B1)
1649 * W2-B2-B3 (window W2 is blocked by B2 and B2 is blocked by B3)
1650 *
1651 * This method should be called under the AWT lock.
1652 *
1653 * @see #addToTransientFors
1654 * @see #setModalBlocked
1655 */
1656 private void removeFromTransientFors() {
1657 // the head of the chain of this window
1658 XWindowPeer thisChain = this;
1659 // the head of the current chain
1660 // nextTransientFor is always not null as this window is in the chain
1661 XWindowPeer otherChain = nextTransientFor;
1662 // the set of blockers in this chain: if this dialog blocks some other
1663 // modal dialogs, their blocked windows should stay in this dialog's chain
1664 Set<XWindowPeer> thisChainBlockers = new HashSet<XWindowPeer>();
1665 thisChainBlockers.add(this);
1666 // current chain iterator in the order from next to prev
1667 XWindowPeer chainToSplit = prevTransientFor;
1668 while (chainToSplit != null) {
1669 XWindowPeer blocker = (XWindowPeer) ComponentAccessor.getPeer(chainToSplit.modalBlocker);
1670 if (thisChainBlockers.contains(blocker)) {
1671 // add to this dialog's chain
1672 setToplevelTransientFor(thisChain, chainToSplit, true, false);
1673 thisChain = chainToSplit;
1674 thisChainBlockers.add(chainToSplit);
1675 } else {
1676 // leave in the current chain
1677 setToplevelTransientFor(otherChain, chainToSplit, true, false);
1678 otherChain = chainToSplit;
1679 }
1680 chainToSplit = chainToSplit.prevTransientFor;
1681 }
1682 restoreTransientFor(thisChain);
1683 thisChain.prevTransientFor = null;
1684 restoreTransientFor(otherChain);
1685 otherChain.prevTransientFor = null;
1686 nextTransientFor = null;
1687
1688 XToolkit.XSync();
1689 }
1690
1691 boolean isModalBlocked() {
1692 return modalBlocker != null;
1693 }
1694
1695 static Window getDecoratedOwner(Window window) {
1696 while ((null != window) && !(window instanceof Frame || window instanceof Dialog)) {
1697 window = (Window) ComponentAccessor.getParent_NoClientCode(window);
1698 }
1699 return window;
1700 }
1701
1702 public boolean requestWindowFocus(XWindowPeer actualFocusedWindow) {
1703 setActualFocusedWindow(actualFocusedWindow);
1704 return requestWindowFocus();
1705 }
1706
1707 public boolean requestWindowFocus() {
1708 return requestWindowFocus(0, false);
1709 }
1710
1711 public boolean requestWindowFocus(long time, boolean timeProvided) {
1712 focusLog.fine("Request for window focus");
1713 // If this is Frame or Dialog we can't assure focus request success - but we still can try
1714 // If this is Window and its owner Frame is active we can be sure request succedded.
1715 Window ownerWindow = XWindowPeer.getDecoratedOwner((Window)target);
1716 Window focusedWindow = XKeyboardFocusManagerPeer.getCurrentNativeFocusedWindow();
1717 Window activeWindow = XWindowPeer.getDecoratedOwner(focusedWindow);
1718
1719 if (isWMStateNetHidden()) {
1720 focusLog.fine("The window is unmapped, so rejecting the request");
1721 return false;
1722 }
1723 if (activeWindow == ownerWindow) {
1724 focusLog.fine("Parent window is active - generating focus for this window");
1725 handleWindowFocusInSync(-1);
1726 return true;
1727 }
1728 focusLog.fine("Parent window is not active");
1729
1730 XDecoratedPeer wpeer = (XDecoratedPeer)ComponentAccessor.getPeer(ownerWindow);
1731 if (wpeer != null && wpeer.requestWindowFocus(this, time, timeProvided)) {
1732 focusLog.fine("Parent window accepted focus request - generating focus for this window");
1733 return true;
1734 }
1735 focusLog.fine("Denied - parent window is not active and didn't accept focus request");
1736 return false;
1737 }
1738
1739 // This method is to be overriden in XDecoratedPeer.
1740 void setActualFocusedWindow(XWindowPeer actualFocusedWindow) {
1741 }
1742
1743 public void xSetVisible(boolean visible) {
1744 if (log.isLoggable(Level.FINE)) log.fine("Setting visible on " + this + " to " + visible);
1745 XToolkit.awtLock();
1746 try {
1747 this.visible = visible;
1748 if (visible) {
1749 XlibWrapper.XMapRaised(XToolkit.getDisplay(), getWindow());
1750 } else {
1751 XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), getWindow());
1752 }
1753 XlibWrapper.XFlush(XToolkit.getDisplay());
1754 }
1755 finally {
1756 XToolkit.awtUnlock();
1757 }
1758 }
1759
1760 private int dropTargetCount = 0;
1761
1762 public synchronized void addDropTarget() {
1763 if (dropTargetCount == 0) {
1764 long window = getWindow();
1765 if (window != 0) {
1766 XDropTargetRegistry.getRegistry().registerDropSite(window);
1767 }
1768 }
1769 dropTargetCount++;
1770 }
1771
1772 public synchronized void removeDropTarget() {
1773 dropTargetCount--;
1774 if (dropTargetCount == 0) {
1775 long window = getWindow();
1776 if (window != 0) {
1777 XDropTargetRegistry.getRegistry().unregisterDropSite(window);
1778 }
1779 }
1780 }
1781 void addRootPropertyEventDispatcher() {
1782 if( rootPropertyEventDispatcher == null ) {
1783 rootPropertyEventDispatcher = new XEventDispatcher() {
1784 public void dispatchEvent(XEvent ev) {
1785 if( ev.get_type() == XConstants.PropertyNotify ) {
1786 handleRootPropertyNotify( ev );
1787 }
1788 }
1789 };
1790 XlibWrapper.XSelectInput( XToolkit.getDisplay(),
1791 XToolkit.getDefaultRootWindow(),
1792 XConstants.PropertyChangeMask);
1793 XToolkit.addEventDispatcher(XToolkit.getDefaultRootWindow(),
1794 rootPropertyEventDispatcher);
1795 }
1796 }
1797 void removeRootPropertyEventDispatcher() {
1798 if( rootPropertyEventDispatcher != null ) {
1799 XToolkit.removeEventDispatcher(XToolkit.getDefaultRootWindow(),
1800 rootPropertyEventDispatcher);
1801 rootPropertyEventDispatcher = null;
1802 }
1803 }
1804 public void updateFocusableWindowState() {
1805 cachedFocusableWindow = isFocusableWindow();
1806 }
1807
1808 XAtom XA_NET_WM_STATE;
1809 XAtomList net_wm_state;
1810 public XAtomList getNETWMState() {
1811 if (net_wm_state == null) {
1812 net_wm_state = XA_NET_WM_STATE.getAtomListPropertyList(this);
1813 }
1814 return net_wm_state;
1815 }
1816
1817 public void setNETWMState(XAtomList state) {
1818 net_wm_state = state;
1819 if (state != null) {
1820 XA_NET_WM_STATE.setAtomListProperty(this, state);
1821 }
1822 }
1823
1824 public PropMwmHints getMWMHints() {
1825 if (mwm_hints == null) {
1826 mwm_hints = new PropMwmHints();
1827 if (!XWM.XA_MWM_HINTS.getAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS)) {
1828 mwm_hints.zero();
1829 }
1830 }
1831 return mwm_hints;
1832 }
1833
1834 public void setMWMHints(PropMwmHints hints) {
1835 mwm_hints = hints;
1836 if (hints != null) {
1837 XWM.XA_MWM_HINTS.setAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS);
1838 }
1839 }
1840
1841 protected synchronized void updateDropTarget() {
1842 if (dropTargetCount > 0) {
1843 long window = getWindow();
1844 if (window != 0) {
1845 XDropTargetRegistry.getRegistry().unregisterDropSite(window);
1846 XDropTargetRegistry.getRegistry().registerDropSite(window);
1847 }
1848 }
1849 }
1850
1851 public void setGrab(boolean grab) {
1852 this.grab = grab;
1853 if (grab) {
1854 pressTarget = this;
1855 grabInput();
1856 } else {
1857 ungrabInput();
1858 }
1859 }
1860
1861 public boolean isGrabbed() {
1862 return grab && XAwtState.getGrabWindow() == this;
1863 }
1864
1865 public void handleXCrossingEvent(XEvent xev) {
1866 XCrossingEvent xce = xev.get_xcrossing();
1867 if (grabLog.isLoggable(Level.FINE)) {
1868 grabLog.log(Level.FINE, "{0}, when grabbed {1}, contains {2}",
1869 new Object[] {xce, isGrabbed(), containsGlobal(xce.get_x_root(), xce.get_y_root())});
1870 }
1871 if (isGrabbed()) {
1872 // When window is grabbed, all events are dispatched to
1873 // it. Retarget them to the corresponding windows (notice
1874 // that XBaseWindow.dispatchEvent does the opposite
1875 // translation)
1876 // Note that we need to retarget XCrossingEvents to content window
1877 // since it generates MOUSE_ENTERED/MOUSE_EXITED for frame and dialog.
1878 // (fix for 6390326)
1879 XBaseWindow target = XToolkit.windowToXWindow(xce.get_window());
1880 grabLog.log(Level.FINER, " - Grab event target {0}", new Object[] {target});
1881 if (target != null && target != this) {
1882 target.dispatchEvent(xev);
1883 return;
1884 }
1885 }
1886 super.handleXCrossingEvent(xev);
1887 }
1888
1889 public void handleMotionNotify(XEvent xev) {
1890 XMotionEvent xme = xev.get_xmotion();
1891 if (grabLog.isLoggable(Level.FINE)) {
1892 grabLog.log(Level.FINER, "{0}, when grabbed {1}, contains {2}",
1893 new Object[] {xme, isGrabbed(), containsGlobal(xme.get_x_root(), xme.get_y_root())});
1894 }
1895 if (isGrabbed()) {
1896 boolean dragging = false;
1897 final int buttonsNumber = ((SunToolkit)(Toolkit.getDefaultToolkit())).getNumberOfButtons();
1898
1899 for (int i = 0; i < buttonsNumber; i++){
1900 // here is the bug in WM: extra buttons doesn't have state!=0 as they should.
1901 if ((i != 4) && (i != 5)){
1902 dragging = dragging || ((xme.get_state() & XConstants.buttonsMask[i]) != 0);
1903 }
1904 }
1905 // When window is grabbed, all events are dispatched to
1906 // it. Retarget them to the corresponding windows (notice
1907 // that XBaseWindow.dispatchEvent does the opposite
1908 // translation)
1909 XBaseWindow target = XToolkit.windowToXWindow(xme.get_window());
1910 if (dragging && pressTarget != target) {
1911 // for some reasons if we grab input MotionNotify for drag is reported with target
1912 // to underlying window, not to window on which we have initiated drag
1913 // so we need to retarget them. Here I use simplified logic which retarget all
1914 // such events to source of mouse press (or the grabber). It helps with fix for 6390326.
1915 // So, I do not want to implement complicated logic for better retargeting.
1916 target = pressTarget.isVisible() ? pressTarget : this;
1917 xme.set_window(target.getWindow());
1918 Point localCoord = target.toLocal(xme.get_x_root(), xme.get_y_root());
1919 xme.set_x(localCoord.x);
1920 xme.set_y(localCoord.y);
1921 }
1922 grabLog.log(Level.FINER, " - Grab event target {0}", new Object[] {target});
1923 if (target != null) {
1924 if (target != getContentXWindow() && target != this) {
1925 target.dispatchEvent(xev);
1926 return;
1927 }
1928 }
1929
1930 // note that we need to pass dragging events to the grabber (6390326)
1931 // see comment above for more inforamtion.
1932 if (!containsGlobal(xme.get_x_root(), xme.get_y_root()) && !dragging) {
1933 // Outside of Java
1934 return;
1935 }
1936 }
1937 super.handleMotionNotify(xev);
1938 }
1939
1940 // we use it to retarget mouse drag and mouse release during grab.
1941 private XBaseWindow pressTarget = this;
1942
1943 public void handleButtonPressRelease(XEvent xev) {
1944 XButtonEvent xbe = xev.get_xbutton();
1945
1946 /*
1947 * Ignore the buttons above 20 due to the bit limit for
1948 * InputEvent.BUTTON_DOWN_MASK.
1949 * One more bit is reserved for FIRST_HIGH_BIT.
1950 */
1951 if (xbe.get_button() > SunToolkit.MAX_BUTTONS_SUPPORTED) {
1952 return;
1953 }
1954 if (grabLog.isLoggable(Level.FINE)) {
1955 grabLog.log(Level.FINE, "{0}, when grabbed {1}, contains {2} ({3}, {4}, {5}x{6})",
1956 new Object[] {xbe, isGrabbed(), containsGlobal(xbe.get_x_root(), xbe.get_y_root()), getAbsoluteX(), getAbsoluteY(), getWidth(), getHeight()});
1957 }
1958 if (isGrabbed()) {
1959 // When window is grabbed, all events are dispatched to
1960 // it. Retarget them to the corresponding windows (notice
1961 // that XBaseWindow.dispatchEvent does the opposite
1962 // translation)
1963 XBaseWindow target = XToolkit.windowToXWindow(xbe.get_window());
1964 try {
1965 grabLog.log(Level.FINER, " - Grab event target {0} (press target {1})", new Object[] {target, pressTarget});
1966 if (xbe.get_type() == XConstants.ButtonPress
1967 && xbe.get_button() == XConstants.buttons[0])
1968 {
1969 // need to keep it to retarget mouse release
1970 pressTarget = target;
1971 } else if (xbe.get_type() == XConstants.ButtonRelease
1972 && xbe.get_button() == XConstants.buttons[0]
1973 && pressTarget != target)
1974 {
1975 // during grab we do receive mouse release on different component (not on the source
1976 // of mouse press). So we need to retarget it.
1977 // see 6390326 for more information.
1978 target = pressTarget.isVisible() ? pressTarget : this;
1979 xbe.set_window(target.getWindow());
1980 Point localCoord = target.toLocal(xbe.get_x_root(), xbe.get_y_root());
1981 xbe.set_x(localCoord.x);
1982 xbe.set_y(localCoord.y);
1983 pressTarget = this;
1984 }
1985 if (target != null && target != getContentXWindow() && target != this) {
1986 target.dispatchEvent(xev);
1987 return;
1988 }
1989 } finally {
1990 if (target != null) {
1991 // Target is either us or our content window -
1992 // check that event is inside. 'Us' in case of
1993 // shell will mean that this will also filter out press on title
1994 if ((target == this || target == getContentXWindow()) && !containsGlobal(xbe.get_x_root(), xbe.get_y_root())) {
1995 // Outside this toplevel hierarchy
1996 // According to the specification of UngrabEvent, post it
1997 // when press occurs outside of the window and not on its owned windows
1998 grabLog.log(Level.FINE, "Generating UngrabEvent on {0} because not inside of shell", this);
1999 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2000 return;
2001 }
2002 // First, get the toplevel
2003 XWindowPeer toplevel = target.getToplevelXWindow();
2004 if (toplevel != null) {
2005 Window w = (Window)toplevel.target;
2006 while (w != null && toplevel != this && !(toplevel instanceof XDialogPeer)) {
2007 w = (Window) ComponentAccessor.getParent_NoClientCode(w);
2008 if (w != null) {
2009 toplevel = (XWindowPeer) ComponentAccessor.getPeer(w);
2010 }
2011 }
2012 if (w == null || (w != this.target && w instanceof Dialog)) {
2013 // toplevel == null - outside of
2014 // hierarchy, toplevel is Dialog - should
2015 // send ungrab (but shouldn't for Window)
2016 grabLog.log(Level.FINE, "Generating UngrabEvent on {0} because hierarchy ended", this);
2017 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2018 }
2019 } else {
2020 // toplevel is null - outside of hierarchy
2021 grabLog.log(Level.FINE, "Generating UngrabEvent on {0} because toplevel is null", this);
2022 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2023 return;
2024 }
2025 } else {
2026 // target doesn't map to XAWT window - outside of hierarchy
2027 grabLog.log(Level.FINE, "Generating UngrabEvent on because target is null {0}", this);
2028 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2029 return;
2030 }
2031 }
2032 }
2033 super.handleButtonPressRelease(xev);
2034 }
2035
2036 public void print(Graphics g) {
2037 // We assume we print the whole frame,
2038 // so we expect no clip was set previously
2039 Shape shape = AWTAccessor.getWindowAccessor().getShape((Window)target);
2040 if (shape != null) {
2041 g.setClip(shape);
2042 }
2043 super.print(g);
2044 }
2045
2046 @Override
2047 public void setOpacity(float opacity) {
2048 final long maxOpacity = 0xffffffffl;
2049 long iOpacity = (long)(opacity * maxOpacity);
2050 if (iOpacity < 0) {
2051 iOpacity = 0;
2052 }
2053 if (iOpacity > maxOpacity) {
2054 iOpacity = maxOpacity;
2055 }
2056
2057 XAtom netWmWindowOpacityAtom = XAtom.get("_NET_WM_WINDOW_OPACITY");
2058
2059 if (iOpacity == maxOpacity) {
2060 netWmWindowOpacityAtom.DeleteProperty(getWindow());
2061 } else {
2062 netWmWindowOpacityAtom.setCard32Property(getWindow(), iOpacity);
2063 }
2064 }
2065
2066 @Override
2067 public void setOpaque(boolean isOpaque) {
2068 // no-op
2069 }
2070
2071 @Override
2072 public void updateWindow() {
2073 // no-op
2074 }
2075 }