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 sun.util.logging.PlatformLogger;
45
46 import sun.awt.AWTAccessor;
47 import sun.awt.ComponentAccessor;
48 import sun.awt.WindowAccessor;
49 import sun.awt.AWTAccessor;
50 import sun.awt.DisplayChangedListener;
51 import sun.awt.SunToolkit;
52 import sun.awt.X11GraphicsDevice;
53 import sun.awt.X11GraphicsEnvironment;
54
55 import sun.java2d.pipe.Region;
56
57 class XWindowPeer extends XPanelPeer implements WindowPeer,
58 DisplayChangedListener {
59
60 private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XWindowPeer");
61 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.awt.X11.focus.XWindowPeer");
62 private static final PlatformLogger insLog = PlatformLogger.getLogger("sun.awt.X11.insets.XWindowPeer");
63 private static final PlatformLogger grabLog = PlatformLogger.getLogger("sun.awt.X11.grab.XWindowPeer");
64 private static final PlatformLogger iconLog = PlatformLogger.getLogger("sun.awt.X11.icon.XWindowPeer");
65
66 // should be synchronized on awtLock
67 private static Set<XWindowPeer> windows = new HashSet<XWindowPeer>();
68
69
70 private boolean cachedFocusableWindow;
71 XWarningWindow warningWindow;
72
73 private boolean alwaysOnTop;
74 private boolean locationByPlatform;
75
76 Dialog modalBlocker;
77 boolean delayedModalBlocking = false;
78 Dimension targetMinimumSize = null;
79
80 private XWindowPeer ownerPeer;
81
82 // used for modal blocking to keep existing z-order
83 protected XWindowPeer prevTransientFor, nextTransientFor;
84 // value of WM_TRANSIENT_FOR hint set on this window
85 private XWindowPeer curRealTransientFor;
86
87 private boolean grab = false; // Whether to do a grab during showing
88
89 private boolean isMapped = false; // Is this window mapped or not
90 private boolean mustControlStackPosition = false; // Am override-redirect not on top
91 private XEventDispatcher rootPropertyEventDispatcher = null;
92
93 /*
94 * Focus related flags
95 */
96 private boolean isUnhiding = false; // Is the window unhiding.
97 private boolean isBeforeFirstMapNotify = false; // Is the window (being shown) between
98 // setVisible(true) & handleMapNotify().
99
100 // It need to be accessed from XFramePeer.
101 protected Vector <ToplevelStateListener> toplevelStateListeners = new Vector<ToplevelStateListener>();
102 XWindowPeer(XCreateWindowParams params) {
103 super(params.putIfNull(PARENT_WINDOW, Long.valueOf(0)));
104 }
105
106 XWindowPeer(Window target) {
107 super(new XCreateWindowParams(new Object[] {
108 TARGET, target,
109 PARENT_WINDOW, Long.valueOf(0)}));
110 }
111
112 /*
113 * This constant defines icon size recommended for using.
114 * Apparently, we should use XGetIconSizes which should
115 * return icon sizes would be most appreciated by the WM.
116 * However, XGetIconSizes always returns 0 for some reason.
117 * So the constant has been introduced.
118 */
119 private static final int PREFERRED_SIZE_FOR_ICON = 128;
120
121 /*
122 * Sometimes XChangeProperty(_NET_WM_ICON) doesn't work if
123 * image buffer is too large. This constant holds maximum
124 * length of buffer which can be used with _NET_WM_ICON hint.
125 * It holds int's value.
126 */
127 private static final int MAXIMUM_BUFFER_LENGTH_NET_WM_ICON = (2<<15) - 1;
128
129 void preInit(XCreateWindowParams params) {
130 target = (Component)params.get(TARGET);
131 params.put(REPARENTED,
132 Boolean.valueOf(isOverrideRedirect() || isSimpleWindow()));
133 super.preInit(params);
134 params.putIfNull(BIT_GRAVITY, Integer.valueOf(XConstants.NorthWestGravity));
135
136 long eventMask = 0;
137 if (params.containsKey(EVENT_MASK)) {
138 eventMask = ((Long)params.get(EVENT_MASK));
139 }
140 eventMask |= XConstants.VisibilityChangeMask;
141 params.put(EVENT_MASK, eventMask);
142
143 XA_NET_WM_STATE = XAtom.get("_NET_WM_STATE");
144
145
146 params.put(OVERRIDE_REDIRECT, Boolean.valueOf(isOverrideRedirect()));
147
148 SunToolkit.awtLock();
149 try {
150 windows.add(this);
151 } finally {
152 SunToolkit.awtUnlock();
153 }
154
155 cachedFocusableWindow = isFocusableWindow();
156
157 Font f = target.getFont();
158 if (f == null) {
159 f = XWindow.getDefaultFont();
160 target.setFont(f);
161 // we should not call setFont because it will call a repaint
162 // which the peer may not be ready to do yet.
163 }
164 Color c = target.getBackground();
165 if (c == null) {
166 Color background = SystemColor.window;
167 target.setBackground(background);
168 // we should not call setBackGround because it will call a repaint
169 // which the peer may not be ready to do yet.
170 }
171 c = target.getForeground();
172 if (c == null) {
173 target.setForeground(SystemColor.windowText);
174 // we should not call setForeGround because it will call a repaint
175 // which the peer may not be ready to do yet.
176 }
177
178 alwaysOnTop = ((Window)target).isAlwaysOnTop() && ((Window)target).isAlwaysOnTopSupported();
179
180 GraphicsConfiguration gc = getGraphicsConfiguration();
181 ((X11GraphicsDevice)gc.getDevice()).addDisplayChangedListener(this);
182 }
183
184 protected String getWMName() {
185 String name = target.getName();
186 if (name == null || name.trim().equals("")) {
187 name = " ";
188 }
189 return name;
190 }
191
192 void postInit(XCreateWindowParams params) {
193 super.postInit(params);
194
195 // Init WM_PROTOCOLS atom
196 initWMProtocols();
197
198 // Set WM_TRANSIENT_FOR and group_leader
199 Window t_window = (Window)target;
200 Window owner = t_window.getOwner();
201 if (owner != null) {
202 ownerPeer = (XWindowPeer)owner.getPeer();
203 if (focusLog.isLoggable(PlatformLogger.FINER)) {
204 focusLog.fine("Owner is " + owner);
205 focusLog.fine("Owner peer is " + ownerPeer);
206 focusLog.fine("Owner X window " + Long.toHexString(ownerPeer.getWindow()));
207 focusLog.fine("Owner content X window " + Long.toHexString(ownerPeer.getContentWindow()));
208 }
209 // as owner window may be an embedded window, we must get a toplevel window
210 // to set as TRANSIENT_FOR hint
211 long ownerWindow = ownerPeer.getWindow();
212 if (ownerWindow != 0) {
213 XToolkit.awtLock();
214 try {
215 // Set WM_TRANSIENT_FOR
216 if (focusLog.isLoggable(PlatformLogger.FINE)) focusLog.fine("Setting transient on " + Long.toHexString(getWindow())
217 + " for " + Long.toHexString(ownerWindow));
218 setToplevelTransientFor(this, ownerPeer, false, true);
219
220 // Set group leader
221 XWMHints hints = getWMHints();
222 hints.set_flags(hints.get_flags() | (int)XUtilConstants.WindowGroupHint);
223 hints.set_window_group(ownerWindow);
224 XlibWrapper.XSetWMHints(XToolkit.getDisplay(), getWindow(), hints.pData);
225 }
226 finally {
227 XToolkit.awtUnlock();
228 }
229 }
230 }
231
232 // Init warning window(for applets)
233 if (((Window)target).getWarningString() != null) {
234 // accessSystemTray permission allows to display TrayIcon, TrayIcon tooltip
235 // and TrayIcon balloon windows without a warning window.
236 if (!WindowAccessor.isTrayIconWindow((Window)target)) {
237 warningWindow = new XWarningWindow((Window)target, getWindow(), this);
238 }
239 }
240
241 setSaveUnder(true);
242
243 updateIconImages();
244
245 updateShape();
246 updateOpacity();
247 // no need in updateOpaque() as it is no-op
248 }
249
250 public void updateIconImages() {
251 Window target = (Window)this.target;
252 java.util.List<Image> iconImages = ((Window)target).getIconImages();
253 XWindowPeer ownerPeer = getOwnerPeer();
254 winAttr.icons = new ArrayList<XIconInfo>();
255 if (iconImages.size() != 0) {
256 //read icon images from target
257 winAttr.iconsInherited = false;
258 for (Iterator<Image> i = iconImages.iterator(); i.hasNext(); ) {
259 Image image = i.next();
260 if (image == null) {
261 if (log.isLoggable(PlatformLogger.FINEST)) {
262 log.finest("XWindowPeer.updateIconImages: Skipping the image passed into Java because it's null.");
263 }
264 continue;
265 }
266 XIconInfo iconInfo;
267 try {
268 iconInfo = new XIconInfo(image);
269 } catch (Exception e){
270 if (log.isLoggable(PlatformLogger.FINEST)) {
271 log.finest("XWindowPeer.updateIconImages: Perhaps the image passed into Java is broken. Skipping this icon.");
272 }
273 continue;
274 }
275 if (iconInfo.isValid()) {
276 winAttr.icons.add(iconInfo);
277 }
278 }
279 }
280
281 // Fix for CR#6425089
282 winAttr.icons = normalizeIconImages(winAttr.icons);
283
284 if (winAttr.icons.size() == 0) {
285 //target.icons is empty or all icon images are broken
286 if (ownerPeer != null) {
287 //icon is inherited from parent
288 winAttr.iconsInherited = true;
289 winAttr.icons = ownerPeer.getIconInfo();
290 } else {
291 //default icon is used
292 winAttr.iconsInherited = false;
293 winAttr.icons = getDefaultIconInfo();
294 }
295 }
296 recursivelySetIcon(winAttr.icons);
297 }
298
299 /*
300 * Sometimes XChangeProperty(_NET_WM_ICON) doesn't work if
301 * image buffer is too large. This function help us accommodate
302 * initial list of the icon images to certainly-acceptable.
303 * It does scale some of these icons to appropriate size
304 * if it's necessary.
305 */
306 static java.util.List<XIconInfo> normalizeIconImages(java.util.List<XIconInfo> icons) {
307 java.util.List<XIconInfo> result = new ArrayList<XIconInfo>();
308 int totalLength = 0;
309 boolean haveLargeIcon = false;
310
311 for (XIconInfo icon : icons) {
312 int width = icon.getWidth();
313 int height = icon.getHeight();
314 int length = icon.getRawLength();
315
316 if (width > PREFERRED_SIZE_FOR_ICON || height > PREFERRED_SIZE_FOR_ICON) {
317 if (haveLargeIcon) {
318 continue;
319 }
320 int scaledWidth = width;
321 int scaledHeight = height;
322 while (scaledWidth > PREFERRED_SIZE_FOR_ICON ||
323 scaledHeight > PREFERRED_SIZE_FOR_ICON) {
324 scaledWidth = scaledWidth / 2;
325 scaledHeight = scaledHeight / 2;
326 }
327
328 icon.setScaledSize(scaledWidth, scaledHeight);
329 length = icon.getRawLength();
330 }
331
332 if (totalLength + length <= MAXIMUM_BUFFER_LENGTH_NET_WM_ICON) {
333 totalLength += length;
334 result.add(icon);
335 if (width > PREFERRED_SIZE_FOR_ICON || height > PREFERRED_SIZE_FOR_ICON) {
336 haveLargeIcon = true;
337 }
338 }
339 }
340
341 if (iconLog.isLoggable(PlatformLogger.FINEST)) {
342 iconLog.finest(">>> Length_ of buffer of icons data: " + totalLength +
343 ", maximum length: " + MAXIMUM_BUFFER_LENGTH_NET_WM_ICON);
344 }
345
346 return result;
347 }
348
349 /*
350 * Dumps each icon from the list
351 */
352 static void dumpIcons(java.util.List<XIconInfo> icons) {
353 if (iconLog.isLoggable(PlatformLogger.FINEST)) {
354 iconLog.finest(">>> Sizes of icon images:");
355 for (Iterator<XIconInfo> i = icons.iterator(); i.hasNext(); ) {
356 iconLog.finest(" {0}", i.next());
357 }
358 }
359 }
360
361 public void recursivelySetIcon(java.util.List<XIconInfo> icons) {
362 dumpIcons(winAttr.icons);
363 setIconHints(icons);
364 Window target = (Window)this.target;
365 Window[] children = target.getOwnedWindows();
366 int cnt = children.length;
367 for (int i = 0; i < cnt; i++) {
368 ComponentPeer childPeer = children[i].getPeer();
369 if (childPeer != null && childPeer instanceof XWindowPeer) {
370 if (((XWindowPeer)childPeer).winAttr.iconsInherited) {
371 ((XWindowPeer)childPeer).winAttr.icons = icons;
372 ((XWindowPeer)childPeer).recursivelySetIcon(icons);
373 }
374 }
375 }
376 }
377
378 java.util.List<XIconInfo> getIconInfo() {
379 return winAttr.icons;
380 }
381 void setIconHints(java.util.List<XIconInfo> icons) {
382 //This does nothing for XWindowPeer,
383 //It's overriden in XDecoratedPeer
384 }
385
386 private static ArrayList<XIconInfo> defaultIconInfo;
387 protected synchronized static java.util.List<XIconInfo> getDefaultIconInfo() {
388 if (defaultIconInfo == null) {
389 defaultIconInfo = new ArrayList<XIconInfo>();
390 if (XlibWrapper.dataModel == 32) {
391 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon16_png.java_icon16_png));
392 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon24_png.java_icon24_png));
393 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon32_png.java_icon32_png));
394 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon48_png.java_icon48_png));
395 } else {
396 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon16_png.java_icon16_png));
397 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon24_png.java_icon24_png));
398 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon32_png.java_icon32_png));
399 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon48_png.java_icon48_png));
400 }
401 }
402 return defaultIconInfo;
403 }
404
405 private void updateShape() {
406 // Shape shape = ((Window)target).getShape();
407 Shape shape = AWTAccessor.getWindowAccessor().getShape((Window)target);
408 if (shape != null) {
409 applyShape(Region.getInstance(shape, null));
410 }
411 }
412
413 private void updateOpacity() {
414 // float opacity = ((Window)target).getOpacity();
415 float opacity = AWTAccessor.getWindowAccessor().getOpacity((Window)target);
416 if (opacity < 1.0f) {
417 setOpacity(opacity);
418 }
419 }
420
421 public void updateMinimumSize() {
422 //This function only saves minimumSize value in XWindowPeer
423 //Setting WMSizeHints is implemented in XDecoratedPeer
424 targetMinimumSize = (((Component)target).isMinimumSizeSet()) ?
425 ((Component)target).getMinimumSize() : null;
426 }
427
428 public Dimension getTargetMinimumSize() {
429 return (targetMinimumSize == null) ? null : new Dimension(targetMinimumSize);
430 }
431
432 public XWindowPeer getOwnerPeer() {
433 return ownerPeer;
434 }
435
436 //Fix for 6318144: PIT:Setting Min Size bigger than current size enlarges
437 //the window but fails to revalidate, Sol-CDE
438 //This bug is regression for
439 //5025858: Resizing a decorated frame triggers componentResized event twice.
440 //Since events are not posted from Component.setBounds we need to send them here.
441 //Note that this function is overriden in XDecoratedPeer so event
442 //posting is not changing for decorated peers
443 public void setBounds(int x, int y, int width, int height, int op) {
444 XToolkit.awtLock();
445 try {
446 Rectangle oldBounds = getBounds();
447
448 super.setBounds(x, y, width, height, op);
449
450 Rectangle bounds = getBounds();
451
452 XSizeHints hints = getHints();
453 setSizeHints(hints.get_flags() | XUtilConstants.PPosition | XUtilConstants.PSize,
454 bounds.x, bounds.y, bounds.width, bounds.height);
455 XWM.setMotifDecor(this, false, 0, 0);
456
457 XNETProtocol protocol = XWM.getWM().getNETProtocol();
458 if (protocol != null && protocol.active()) {
459 XAtomList net_wm_state = getNETWMState();
460 net_wm_state.add(protocol.XA_NET_WM_STATE_SKIP_TASKBAR);
461 setNETWMState(net_wm_state);
462 }
463
464
465 boolean isResized = !bounds.getSize().equals(oldBounds.getSize());
466 boolean isMoved = !bounds.getLocation().equals(oldBounds.getLocation());
467 if (isMoved || isResized) {
468 repositionSecurityWarning();
469 }
470 if (isResized) {
471 postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_RESIZED));
472 }
473 if (isMoved) {
474 postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_MOVED));
475 }
476 } finally {
477 XToolkit.awtUnlock();
478 }
479 }
480
481 void updateFocusability() {
482 updateFocusableWindowState();
483 XToolkit.awtLock();
484 try {
485 XWMHints hints = getWMHints();
486 hints.set_flags(hints.get_flags() | (int)XUtilConstants.InputHint);
487 hints.set_input(false/*isNativelyNonFocusableWindow() ? (0):(1)*/);
488 XlibWrapper.XSetWMHints(XToolkit.getDisplay(), getWindow(), hints.pData);
489 }
490 finally {
491 XToolkit.awtUnlock();
492 }
493 }
494
495 public Insets getInsets() {
496 return new Insets(0, 0, 0, 0);
497 }
498
499 // NOTE: This method may be called by privileged threads.
500 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
501 public void handleIconify() {
502 postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_ICONIFIED));
503 }
504
505 // NOTE: This method may be called by privileged threads.
506 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
507 public void handleDeiconify() {
508 postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_DEICONIFIED));
509 }
510
511 // NOTE: This method may be called by privileged threads.
512 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
513 public void handleStateChange(int oldState, int newState) {
514 postEvent(new WindowEvent((Window)target,
515 WindowEvent.WINDOW_STATE_CHANGED,
516 oldState, newState));
517 }
518
519 /**
520 * DEPRECATED: Replaced by getInsets().
521 */
522 public Insets insets() {
523 return getInsets();
524 }
525
526 boolean isAutoRequestFocus() {
527 if (XToolkit.isToolkitThread()) {
528 return WindowAccessor.isAutoRequestFocus((Window)target);
529 } else {
530 return ((Window)target).isAutoRequestFocus();
531 }
532 }
533
534 /*
535 * Retrives real native focused window and converts it into Java peer.
536 */
537 static XWindowPeer getNativeFocusedWindowPeer() {
538 XBaseWindow baseWindow = XToolkit.windowToXWindow(xGetInputFocus());
539 return (baseWindow instanceof XWindowPeer) ? (XWindowPeer)baseWindow :
540 (baseWindow instanceof XFocusProxyWindow) ?
541 ((XFocusProxyWindow)baseWindow).getOwner() : null;
542 }
543
544 /*
545 * Retrives real native focused window and converts it into Java window.
546 */
547 static Window getNativeFocusedWindow() {
548 XWindowPeer peer = getNativeFocusedWindowPeer();
549 return peer != null ? (Window)peer.target : null;
550 }
551
552 boolean isFocusableWindow() {
553 if (XToolkit.isToolkitThread() || SunToolkit.isAWTLockHeldByCurrentThread())
554 {
555 return cachedFocusableWindow;
556 } else {
557 return ((Window)target).isFocusableWindow();
558 }
559 }
560
561 /* WARNING: don't call client code in this method! */
562 boolean isFocusedWindowModalBlocker() {
563 return false;
564 }
565
566 long getFocusTargetWindow() {
567 return getContentWindow();
568 }
569
570 /**
571 * Returns whether or not this window peer has native X window
572 * configured as non-focusable window. It might happen if:
573 * - Java window is non-focusable
574 * - Java window is simple Window(not Frame or Dialog)
575 */
576 boolean isNativelyNonFocusableWindow() {
577 if (XToolkit.isToolkitThread() || SunToolkit.isAWTLockHeldByCurrentThread())
578 {
579 return isSimpleWindow() || !cachedFocusableWindow;
580 } else {
581 return isSimpleWindow() || !(((Window)target).isFocusableWindow());
582 }
583 }
584
585 public void handleWindowFocusIn_Dispatch() {
586 if (EventQueue.isDispatchThread()) {
587 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow((Window) target);
588 target.dispatchEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS));
589 }
590 }
591
592 public void handleWindowFocusInSync(long serial) {
593 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS);
594 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow((Window) target);
595 sendEvent(we);
596 }
597 // NOTE: This method may be called by privileged threads.
598 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
599 public void handleWindowFocusIn(long serial) {
600 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS);
601 /* wrap in Sequenced, then post*/
602 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow((Window) target);
603 postEvent(wrapInSequenced((AWTEvent) we));
604 }
605
606 // NOTE: This method may be called by privileged threads.
607 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
608 public void handleWindowFocusOut(Window oppositeWindow, long serial) {
609 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_LOST_FOCUS, oppositeWindow);
610 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow(null);
611 XKeyboardFocusManagerPeer.setCurrentNativeFocusOwner(null);
612 /* wrap in Sequenced, then post*/
613 postEvent(wrapInSequenced((AWTEvent) we));
614 }
615 public void handleWindowFocusOutSync(Window oppositeWindow, long serial) {
616 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_LOST_FOCUS, oppositeWindow);
617 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow(null);
618 XKeyboardFocusManagerPeer.setCurrentNativeFocusOwner(null);
619 sendEvent(we);
620 }
621
622 /* --- DisplayChangedListener Stuff --- */
623
624 /* Xinerama
625 * called to check if we've been moved onto a different screen
626 * Based on checkNewXineramaScreen() in awt_GraphicsEnv.c
627 */
628 public void checkIfOnNewScreen(Rectangle newBounds) {
629 if (!XToolkit.localEnv.runningXinerama()) {
630 return;
631 }
632
633 if (log.isLoggable(PlatformLogger.FINEST)) {
634 log.finest("XWindowPeer: Check if we've been moved to a new screen since we're running in Xinerama mode");
635 }
636
637 int area = newBounds.width * newBounds.height;
638 int intAmt, vertAmt, horizAmt;
639 int largestAmt = 0;
640 int curScreenNum = ((X11GraphicsDevice)getGraphicsConfiguration().getDevice()).getScreen();
641 int newScreenNum = 0;
642 GraphicsDevice gds[] = XToolkit.localEnv.getScreenDevices();
643 GraphicsConfiguration newGC = null;
644 Rectangle screenBounds;
645
646 for (int i = 0; i < gds.length; i++) {
647 screenBounds = gds[i].getDefaultConfiguration().getBounds();
648 if (newBounds.intersects(screenBounds)) {
649 horizAmt = Math.min(newBounds.x + newBounds.width,
650 screenBounds.x + screenBounds.width) -
651 Math.max(newBounds.x, screenBounds.x);
652 vertAmt = Math.min(newBounds.y + newBounds.height,
653 screenBounds.y + screenBounds.height)-
654 Math.max(newBounds.y, screenBounds.y);
655 intAmt = horizAmt * vertAmt;
656 if (intAmt == area) {
657 // Completely on this screen - done!
658 newScreenNum = i;
659 newGC = gds[i].getDefaultConfiguration();
660 break;
661 }
662 if (intAmt > largestAmt) {
663 largestAmt = intAmt;
664 newScreenNum = i;
665 newGC = gds[i].getDefaultConfiguration();
666 }
667 }
668 }
669 if (newScreenNum != curScreenNum) {
670 if (log.isLoggable(PlatformLogger.FINEST)) {
671 log.finest("XWindowPeer: Moved to a new screen");
672 }
673 executeDisplayChangedOnEDT(newGC);
674 }
675 }
676
677 /**
678 * Helper method that executes the displayChanged(screen) method on
679 * the event dispatch thread. This method is used in the Xinerama case
680 * and after display mode change events.
681 */
682 private void executeDisplayChangedOnEDT(final GraphicsConfiguration gc) {
683 Runnable dc = new Runnable() {
684 public void run() {
685 AWTAccessor.getComponentAccessor().
686 setGraphicsConfiguration((Component)target, gc);
687 }
688 };
689 SunToolkit.executeOnEventHandlerThread((Component)target, dc);
690 }
691
692 /**
693 * From the DisplayChangedListener interface; called from
694 * X11GraphicsDevice when the display mode has been changed.
695 */
696 public void displayChanged() {
697 executeDisplayChangedOnEDT(getGraphicsConfiguration());
698 }
699
700 /**
701 * From the DisplayChangedListener interface; top-levels do not need
702 * to react to this event.
703 */
704 public void paletteChanged() {
705 }
706
707 /*
708 * Overridden to check if we need to update our GraphicsDevice/Config
709 * Added for 4934052.
710 */
711 @Override
712 public void handleConfigureNotifyEvent(XEvent xev) {
713 // TODO: We create an XConfigureEvent every time we override
714 // handleConfigureNotify() - too many!
715 XConfigureEvent xe = xev.get_xconfigure();
716 checkIfOnNewScreen(new Rectangle(xe.get_x(),
717 xe.get_y(),
718 xe.get_width(),
719 xe.get_height()));
720
721 // Don't call super until we've handled a screen change. Otherwise
722 // there could be a race condition in which a ComponentListener could
723 // see the old screen.
724 super.handleConfigureNotifyEvent(xev);
725 repositionSecurityWarning();
726 }
727
728 final void requestXFocus(long time) {
729 requestXFocus(time, true);
730 }
731
732 final void requestXFocus() {
733 requestXFocus(0, false);
734 }
735
736 /**
737 * Requests focus to this top-level. Descendants should override to provide
738 * implementations based on a class of top-level.
739 */
740 protected void requestXFocus(long time, boolean timeProvided) {
741 // Since in XAWT focus is synthetic and all basic Windows are
742 // override_redirect all we can do is check whether our parent
743 // is active. If it is - we can freely synthesize focus transfer.
744 // Luckily, this logic is already implemented in requestWindowFocus.
745 if (focusLog.isLoggable(PlatformLogger.FINE)) focusLog.fine("Requesting window focus");
746 requestWindowFocus(time, timeProvided);
747 }
748
749 public final boolean focusAllowedFor() {
750 if (isNativelyNonFocusableWindow()) {
751 return false;
752 }
753 /*
754 Window target = (Window)this.target;
755 if (!target.isVisible() ||
756 !target.isEnabled() ||
757 !target.isFocusable())
758 {
759 return false;
760 }
761 */
762 if (isModalBlocked()) {
763 return false;
764 }
765 return true;
766 }
767
768 public void handleFocusEvent(XEvent xev) {
769 XFocusChangeEvent xfe = xev.get_xfocus();
770 FocusEvent fe;
771 focusLog.fine("{0}", xfe);
772 if (isEventDisabled(xev)) {
773 return;
774 }
775 if (xev.get_type() == XConstants.FocusIn)
776 {
777 // If this window is non-focusable don't post any java focus event
778 if (focusAllowedFor()) {
779 if (xfe.get_mode() == XConstants.NotifyNormal // Normal notify
780 || xfe.get_mode() == XConstants.NotifyWhileGrabbed) // Alt-Tab notify
781 {
782 handleWindowFocusIn(xfe.get_serial());
783 }
784 }
785 }
786 else
787 {
788 if (xfe.get_mode() == XConstants.NotifyNormal // Normal notify
789 || xfe.get_mode() == XConstants.NotifyWhileGrabbed) // Alt-Tab notify
790 {
791 // If this window is non-focusable don't post any java focus event
792 if (!isNativelyNonFocusableWindow()) {
793 XWindowPeer oppositeXWindow = getNativeFocusedWindowPeer();
794 Object oppositeTarget = (oppositeXWindow!=null)? oppositeXWindow.getTarget() : null;
795 Window oppositeWindow = null;
796 if (oppositeTarget instanceof Window) {
797 oppositeWindow = (Window) oppositeTarget;
798 }
799 // Check if opposite window is non-focusable. In that case we don't want to
800 // post any event.
801 if (oppositeXWindow != null && oppositeXWindow.isNativelyNonFocusableWindow()) {
802 return;
803 }
804 if (this == oppositeXWindow) {
805 oppositeWindow = null;
806 } else if (oppositeXWindow instanceof XDecoratedPeer) {
807 if (((XDecoratedPeer) oppositeXWindow).actualFocusedWindow != null) {
808 oppositeXWindow = ((XDecoratedPeer) oppositeXWindow).actualFocusedWindow;
809 oppositeTarget = oppositeXWindow.getTarget();
810 if (oppositeTarget instanceof Window
811 && oppositeXWindow.isVisible()
812 && oppositeXWindow.isNativelyNonFocusableWindow())
813 {
814 oppositeWindow = ((Window) oppositeTarget);
815 }
816 }
817 }
818 handleWindowFocusOut(oppositeWindow, xfe.get_serial());
819 }
820 }
821 }
822 }
823
824 void setSaveUnder(boolean state) {}
825
826 public void toFront() {
827 if (isOverrideRedirect() && mustControlStackPosition) {
828 mustControlStackPosition = false;
829 removeRootPropertyEventDispatcher();
830 }
831 if (isVisible()) {
832 super.toFront();
833 if (isFocusableWindow() && isAutoRequestFocus() &&
834 !isModalBlocked() && !isWithdrawn())
835 {
836 requestInitialFocus();
837 }
838 } else {
839 setVisible(true);
840 }
841 }
842
843 public void toBack() {
844 XToolkit.awtLock();
845 try {
846 if(!isOverrideRedirect()) {
847 XlibWrapper.XLowerWindow(XToolkit.getDisplay(), getWindow());
848 }else{
849 lowerOverrideRedirect();
850 }
851 }
852 finally {
853 XToolkit.awtUnlock();
854 }
855 }
856 private void lowerOverrideRedirect() {
857 //
858 // make new hash of toplevels of all windows from 'windows' hash.
859 // FIXME: do not call them "toplevel" as it is misleading.
860 //
861 HashSet toplevels = new HashSet();
862 long topl = 0, mytopl = 0;
863
864 for (XWindowPeer xp : windows) {
865 topl = getToplevelWindow( xp.getWindow() );
866 if( xp.equals( this ) ) {
867 mytopl = topl;
868 }
869 if( topl > 0 )
870 toplevels.add( Long.valueOf( topl ) );
871 }
872
873 //
874 // find in the root's tree:
875 // (1) my toplevel, (2) lowest java toplevel, (3) desktop
876 // We must enforce (3), (1), (2) order, upward;
877 // note that nautilus on the next restacking will do (1),(3),(2).
878 //
879 long laux, wDesktop = -1, wBottom = -1;
880 int iMy = -1, iDesktop = -1, iBottom = -1;
881 int i = 0;
882 XQueryTree xqt = new XQueryTree(XToolkit.getDefaultRootWindow());
883 try {
884 if( xqt.execute() > 0 ) {
885 int nchildren = xqt.get_nchildren();
886 long children = xqt.get_children();
887 for(i = 0; i < nchildren; i++) {
888 laux = Native.getWindow(children, i);
889 if( laux == mytopl ) {
890 iMy = i;
891 }else if( isDesktopWindow( laux ) ) {
892 // we need topmost desktop of them all.
893 iDesktop = i;
894 wDesktop = laux;
895 }else if(iBottom < 0 &&
896 toplevels.contains( Long.valueOf(laux) ) &&
897 laux != mytopl) {
898 iBottom = i;
899 wBottom = laux;
900 }
901 }
902 }
903
904 if( (iMy < iBottom || iBottom < 0 )&& iDesktop < iMy)
905 return; // no action necessary
906
907 long to_restack = Native.allocateLongArray(2);
908 Native.putLong(to_restack, 0, wBottom);
909 Native.putLong(to_restack, 1, mytopl);
910 XlibWrapper.XRestackWindows(XToolkit.getDisplay(), to_restack, 2);
911 XlibWrapper.unsafe.freeMemory(to_restack);
912
913
914 if( !mustControlStackPosition ) {
915 mustControlStackPosition = true;
916 // add root window property listener:
917 // somebody (eg nautilus desktop) may obscure us
918 addRootPropertyEventDispatcher();
919 }
920 } finally {
921 xqt.dispose();
922 }
923 }
924 /**
925 Get XID of closest to root window in a given window hierarchy.
926 FIXME: do not call it "toplevel" as it is misleading.
927 On error return 0.
928 */
929 private long getToplevelWindow( long w ) {
930 long wi = w, ret, root;
931 do {
932 ret = wi;
933 XQueryTree qt = new XQueryTree(wi);
934 try {
935 if (qt.execute() == 0) {
936 return 0;
937 }
938 root = qt.get_root();
939 wi = qt.get_parent();
940 } finally {
941 qt.dispose();
942 }
943
944 } while (wi != root);
945
946 return ret;
947 }
948
949 private static boolean isDesktopWindow( long wi ) {
950 return XWM.getWM().isDesktopWindow( wi );
951 }
952
953 private void updateAlwaysOnTop() {
954 log.fine("Promoting always-on-top state {0}", Boolean.valueOf(alwaysOnTop));
955 XWM.getWM().setLayer(this,
956 alwaysOnTop ?
957 XLayerProtocol.LAYER_ALWAYS_ON_TOP :
958 XLayerProtocol.LAYER_NORMAL);
959 }
960
961 public void setAlwaysOnTop(boolean alwaysOnTop) {
962 this.alwaysOnTop = alwaysOnTop;
963 updateAlwaysOnTop();
964 }
965
966 boolean isLocationByPlatform() {
967 return locationByPlatform;
968 }
969
970 private void promoteDefaultPosition() {
971 this.locationByPlatform = ((Window)target).isLocationByPlatform();
972 if (locationByPlatform) {
973 XToolkit.awtLock();
974 try {
975 Rectangle bounds = getBounds();
976 XSizeHints hints = getHints();
977 setSizeHints(hints.get_flags() & ~(XUtilConstants.USPosition | XUtilConstants.PPosition),
978 bounds.x, bounds.y, bounds.width, bounds.height);
979 } finally {
980 XToolkit.awtUnlock();
981 }
982 }
983 }
984
985 public void setVisible(boolean vis) {
986 if (!isVisible() && vis) {
987 isBeforeFirstMapNotify = true;
988 winAttr.initialFocus = isAutoRequestFocus();
989 if (!winAttr.initialFocus) {
990 /*
991 * It's easier and safer to temporary suppress WM_TAKE_FOCUS
992 * protocol itself than to ignore WM_TAKE_FOCUS client message.
993 * Because we will have to make the difference between
994 * the message come after showing and the message come after
995 * activation. Also, on Metacity, for some reason, we have _two_
996 * WM_TAKE_FOCUS client messages when showing a frame/dialog.
997 */
998 suppressWmTakeFocus(true);
999 }
1000 }
1001 updateFocusability();
1002 promoteDefaultPosition();
1003 if (!vis && warningWindow != null) {
1004 warningWindow.setSecurityWarningVisible(false, false);
1005 }
1006 super.setVisible(vis);
1007 if (!vis && !isWithdrawn()) {
1008 // ICCCM, 4.1.4. Changing Window State:
1009 // "Iconic -> Withdrawn - The client should unmap the window and follow it
1010 // with a synthetic UnmapNotify event as described later in this section."
1011 // The same is true for Normal -> Withdrawn
1012 XToolkit.awtLock();
1013 try {
1014 XUnmapEvent unmap = new XUnmapEvent();
1015 unmap.set_window(window);
1016 unmap.set_event(XToolkit.getDefaultRootWindow());
1017 unmap.set_type((int)XConstants.UnmapNotify);
1018 unmap.set_from_configure(false);
1019 XlibWrapper.XSendEvent(XToolkit.getDisplay(), XToolkit.getDefaultRootWindow(),
1020 false, XConstants.SubstructureNotifyMask | XConstants.SubstructureRedirectMask,
1021 unmap.pData);
1022 unmap.dispose();
1023 }
1024 finally {
1025 XToolkit.awtUnlock();
1026 }
1027 }
1028 // method called somewhere in parent does not generate configure-notify
1029 // event for override-redirect.
1030 // Ergo, no reshape and bugs like 5085647 in case setBounds was
1031 // called before setVisible.
1032 if (isOverrideRedirect() && vis) {
1033 updateChildrenSizes();
1034 }
1035 repositionSecurityWarning();
1036 }
1037
1038 protected void suppressWmTakeFocus(boolean doSuppress) {
1039 }
1040
1041 final boolean isSimpleWindow() {
1042 return !(target instanceof Frame || target instanceof Dialog);
1043 }
1044 boolean hasWarningWindow() {
1045 return ((Window)target).getWarningString() != null;
1046 }
1047
1048 // The height of menu bar window
1049 int getMenuBarHeight() {
1050 return 0;
1051 }
1052
1053 // Called when shell changes its size and requires children windows
1054 // to update their sizes appropriately
1055 void updateChildrenSizes() {
1056 }
1057
1058 public void repositionSecurityWarning() {
1059 // NOTE: On KWin if the window/border snapping option is enabled,
1060 // the Java window may be swinging while it's being moved.
1061 // This doesn't make the application unusable though looks quite ugly.
1062 // Probobly we need to find some hint to assign to our Security
1063 // Warning window in order to exclude it from the snapping option.
1064 // We are not currently aware of existance of such a property.
1065 if (warningWindow != null) {
1066 // We can't use the coordinates stored in the XBaseWindow since
1067 // they are zeros for decorated frames.
1068 int x = ComponentAccessor.getX(target);
1069 int y = ComponentAccessor.getY(target);
1070 int width = ComponentAccessor.getWidth(target);
1071 int height = ComponentAccessor.getHeight(target);
1072 warningWindow.reposition(x, y, width, height);
1073 }
1074 }
1075
1076 @Override
1077 protected void setMouseAbove(boolean above) {
1078 super.setMouseAbove(above);
1079 updateSecurityWarningVisibility();
1080 }
1081
1082 @Override
1083 public void setFullScreenExclusiveModeState(boolean state) {
1084 super.setFullScreenExclusiveModeState(state);
1085 updateSecurityWarningVisibility();
1086 }
1087
1088 public void updateSecurityWarningVisibility() {
1089 if (warningWindow == null) {
1090 return;
1091 }
1092
1093 if (!isVisible()) {
1094 return; // The warning window should already be hidden.
1095 }
1096
1097 boolean show = false;
1098
1099 if (!isFullScreenExclusiveMode()) {
1100 int state = getWMState();
1101
1102 // getWMState() always returns 0 (Withdrawn) for simple windows. Hence
1103 // we ignore the state for such windows.
1104 if (isVisible() && (state == XUtilConstants.NormalState || isSimpleWindow())) {
1105 if (XKeyboardFocusManagerPeer.getCurrentNativeFocusedWindow() ==
1106 getTarget())
1107 {
1108 show = true;
1109 }
1110
1111 if (isMouseAbove() || warningWindow.isMouseAbove())
1112 {
1113 show = true;
1114 }
1115 }
1116 }
1117
1118 warningWindow.setSecurityWarningVisible(show, true);
1119 }
1120
1121 boolean isOverrideRedirect() {
1122 return (XWM.getWMID() == XWM.OPENLOOK_WM ? true : false) ||
1123 ((XToolkit)Toolkit.getDefaultToolkit()).isOverrideRedirect((Window)target) ||
1124 XTrayIconPeer.isTrayIconStuffWindow((Window)target);
1125 }
1126
1127 final boolean isOLWMDecorBug() {
1128 return XWM.getWMID() == XWM.OPENLOOK_WM &&
1129 winAttr.nativeDecor == false;
1130 }
1131
1132 public void dispose() {
1133 SunToolkit.awtLock();
1134 try {
1135 windows.remove(this);
1136 } finally {
1137 SunToolkit.awtUnlock();
1138 }
1139 if (warningWindow != null) {
1140 warningWindow.destroy();
1141 }
1142 removeRootPropertyEventDispatcher();
1143 mustControlStackPosition = false;
1144 super.dispose();
1145
1146 /*
1147 * Fix for 6457980.
1148 * When disposing an owned Window we should implicitly
1149 * return focus to its decorated owner because it won't
1150 * receive WM_TAKE_FOCUS.
1151 */
1152 if (isSimpleWindow()) {
1153 if (target == XKeyboardFocusManagerPeer.getCurrentNativeFocusedWindow()) {
1154 Window owner = getDecoratedOwner((Window)target);
1155 ((XWindowPeer)ComponentAccessor.getPeer(owner)).requestWindowFocus();
1156 }
1157 }
1158 }
1159 boolean isResizable() {
1160 return winAttr.isResizable;
1161 }
1162
1163 public void handleVisibilityEvent(XEvent xev) {
1164 super.handleVisibilityEvent(xev);
1165 XVisibilityEvent ve = xev.get_xvisibility();
1166 winAttr.visibilityState = ve.get_state();
1167 // if (ve.get_state() == XlibWrapper.VisibilityUnobscured) {
1168 // // raiseInputMethodWindow
1169 // }
1170 repositionSecurityWarning();
1171 }
1172
1173 void handleRootPropertyNotify(XEvent xev) {
1174 XPropertyEvent ev = xev.get_xproperty();
1175 if( mustControlStackPosition &&
1176 ev.get_atom() == XAtom.get("_NET_CLIENT_LIST_STACKING").getAtom()){
1177 // Restore stack order unhadled/spoiled by WM or some app (nautilus).
1178 // As of now, don't use any generic machinery: just
1179 // do toBack() again.
1180 if(isOverrideRedirect()) {
1181 toBack();
1182 }
1183 }
1184 }
1185
1186 public void handleMapNotifyEvent(XEvent xev) {
1187 // See 6480534.
1188 isUnhiding |= isWMStateNetHidden();
1189
1190 super.handleMapNotifyEvent(xev);
1191 if (!winAttr.initialFocus) {
1192 suppressWmTakeFocus(false); // restore the protocol.
1193 /*
1194 * For some reason, on Metacity, a frame/dialog being shown
1195 * without WM_TAKE_FOCUS protocol doesn't get moved to the front.
1196 * So, we do it evidently.
1197 */
1198 XToolkit.awtLock();
1199 try {
1200 XlibWrapper.XRaiseWindow(XToolkit.getDisplay(), getWindow());
1201 } finally {
1202 XToolkit.awtUnlock();
1203 }
1204 }
1205 if (shouldFocusOnMapNotify()) {
1206 focusLog.fine("Automatically request focus on window");
1207 requestInitialFocus();
1208 }
1209 isUnhiding = false;
1210 isBeforeFirstMapNotify = false;
1211 updateAlwaysOnTop();
1212
1213 synchronized (getStateLock()) {
1214 if (!isMapped) {
1215 isMapped = true;
1216 }
1217 }
1218 }
1219
1220 public void handleUnmapNotifyEvent(XEvent xev) {
1221 super.handleUnmapNotifyEvent(xev);
1222
1223 // On Metacity UnmapNotify comes before PropertyNotify (for _NET_WM_STATE_HIDDEN).
1224 // So we also check for the property later in MapNotify. See 6480534.
1225 isUnhiding |= isWMStateNetHidden();
1226
1227 synchronized (getStateLock()) {
1228 if (isMapped) {
1229 isMapped = false;
1230 }
1231 }
1232 }
1233
1234 private boolean shouldFocusOnMapNotify() {
1235 boolean res = false;
1236
1237 if (isBeforeFirstMapNotify) {
1238 res = (winAttr.initialFocus || // Window.autoRequestFocus
1239 isFocusedWindowModalBlocker());
1240 } else {
1241 res = isUnhiding; // Unhiding
1242 }
1243 res = res &&
1244 isFocusableWindow() && // General focusability
1245 !isModalBlocked(); // Modality
1246
1247 return res;
1248 }
1249
1250 protected boolean isWMStateNetHidden() {
1251 XNETProtocol protocol = XWM.getWM().getNETProtocol();
1252 return (protocol != null && protocol.isWMStateNetHidden(this));
1253 }
1254
1255 protected void requestInitialFocus() {
1256 requestXFocus();
1257 }
1258
1259 public void addToplevelStateListener(ToplevelStateListener l){
1260 toplevelStateListeners.add(l);
1261 }
1262
1263 public void removeToplevelStateListener(ToplevelStateListener l){
1264 toplevelStateListeners.remove(l);
1265 }
1266
1267 /**
1268 * Override this methods to get notifications when top-level window state changes. The state is
1269 * meant in terms of ICCCM: WithdrawnState, IconicState, NormalState
1270 */
1271 @Override
1272 protected void stateChanged(long time, int oldState, int newState) {
1273 // Fix for 6401700, 6412803
1274 // If this window is modal blocked, it is put into the transient_for
1275 // chain using prevTransientFor and nextTransientFor hints. However,
1276 // the real WM_TRANSIENT_FOR hint shouldn't be set for windows in
1277 // different WM states (except for owner-window relationship), so
1278 // if the window changes its state, its real WM_TRANSIENT_FOR hint
1279 // should be updated accordingly.
1280 updateTransientFor();
1281
1282 for (ToplevelStateListener topLevelListenerTmp : toplevelStateListeners) {
1283 topLevelListenerTmp.stateChangedICCCM(oldState, newState);
1284 }
1285
1286 updateSecurityWarningVisibility();
1287 }
1288
1289 boolean isWithdrawn() {
1290 return getWMState() == XUtilConstants.WithdrawnState;
1291 }
1292
1293 boolean hasDecorations(int decor) {
1294 if (!winAttr.nativeDecor) {
1295 return false;
1296 }
1297 else {
1298 int myDecor = winAttr.decorations;
1299 boolean hasBits = ((myDecor & decor) == decor);
1300 if ((myDecor & XWindowAttributesData.AWT_DECOR_ALL) != 0)
1301 return !hasBits;
1302 else
1303 return hasBits;
1304 }
1305 }
1306
1307 void setReparented(boolean newValue) {
1308 super.setReparented(newValue);
1309 XToolkit.awtLock();
1310 try {
1311 if (isReparented() && delayedModalBlocking) {
1312 addToTransientFors((XDialogPeer) ComponentAccessor.getPeer(modalBlocker));
1313 delayedModalBlocking = false;
1314 }
1315 } finally {
1316 XToolkit.awtUnlock();
1317 }
1318 }
1319
1320 /*
1321 * Returns a Vector of all Java top-level windows,
1322 * sorted by their current Z-order
1323 */
1324 static Vector<XWindowPeer> collectJavaToplevels() {
1325 Vector<XWindowPeer> javaToplevels = new Vector<XWindowPeer>();
1326 Vector<Long> v = new Vector<Long>();
1327 X11GraphicsEnvironment ge =
1328 (X11GraphicsEnvironment)GraphicsEnvironment.getLocalGraphicsEnvironment();
1329 GraphicsDevice[] gds = ge.getScreenDevices();
1330 if (!ge.runningXinerama() && (gds.length > 1)) {
1331 for (GraphicsDevice gd : gds) {
1332 int screen = ((X11GraphicsDevice)gd).getScreen();
1333 long rootWindow = XlibWrapper.RootWindow(XToolkit.getDisplay(), screen);
1334 v.add(rootWindow);
1335 }
1336 } else {
1337 v.add(XToolkit.getDefaultRootWindow());
1338 }
1339 final int windowsCount = windows.size();
1340 while ((v.size() > 0) && (javaToplevels.size() < windowsCount)) {
1341 long win = v.remove(0);
1342 XQueryTree qt = new XQueryTree(win);
1343 try {
1344 if (qt.execute() != 0) {
1345 int nchildren = qt.get_nchildren();
1346 long children = qt.get_children();
1347 // XQueryTree returns window children ordered by z-order
1348 for (int i = 0; i < nchildren; i++) {
1349 long child = Native.getWindow(children, i);
1350 XBaseWindow childWindow = XToolkit.windowToXWindow(child);
1351 // filter out Java non-toplevels
1352 if ((childWindow != null) && !(childWindow instanceof XWindowPeer)) {
1353 continue;
1354 } else {
1355 v.add(child);
1356 }
1357 if (childWindow instanceof XWindowPeer) {
1358 XWindowPeer np = (XWindowPeer)childWindow;
1359 javaToplevels.add(np);
1360 // XQueryTree returns windows sorted by their z-order. However,
1361 // if WM has not handled transient for hint for a child window,
1362 // it may appear in javaToplevels before its owner. Move such
1363 // children after their owners.
1364 int k = 0;
1365 XWindowPeer toCheck = javaToplevels.get(k);
1366 while (toCheck != np) {
1367 XWindowPeer toCheckOwnerPeer = toCheck.getOwnerPeer();
1368 if (toCheckOwnerPeer == np) {
1369 javaToplevels.remove(k);
1370 javaToplevels.add(toCheck);
1371 } else {
1372 k++;
1373 }
1374 toCheck = javaToplevels.get(k);
1375 }
1376 }
1377 }
1378 }
1379 } finally {
1380 qt.dispose();
1381 }
1382 }
1383 return javaToplevels;
1384 }
1385
1386 public void setModalBlocked(Dialog d, boolean blocked) {
1387 setModalBlocked(d, blocked, null);
1388 }
1389 public void setModalBlocked(Dialog d, boolean blocked,
1390 Vector<XWindowPeer> javaToplevels)
1391 {
1392 XToolkit.awtLock();
1393 try {
1394 // State lock should always be after awtLock
1395 synchronized(getStateLock()) {
1396 XDialogPeer blockerPeer = (XDialogPeer) ComponentAccessor.getPeer(d);
1397 if (blocked) {
1398 log.fine("{0} is blocked by {1}", this, blockerPeer);
1399 modalBlocker = d;
1400
1401 if (isReparented() || XWM.isNonReparentingWM()) {
1402 addToTransientFors(blockerPeer, javaToplevels);
1403 } else {
1404 delayedModalBlocking = true;
1405 }
1406 } else {
1407 if (d != modalBlocker) {
1408 throw new IllegalStateException("Trying to unblock window blocked by another dialog");
1409 }
1410 modalBlocker = null;
1411
1412 if (isReparented() || XWM.isNonReparentingWM()) {
1413 removeFromTransientFors();
1414 } else {
1415 delayedModalBlocking = false;
1416 }
1417 }
1418
1419 updateTransientFor();
1420 }
1421 } finally {
1422 XToolkit.awtUnlock();
1423 }
1424 }
1425
1426 /*
1427 * Sets the TRANSIENT_FOR hint to the given top-level window. This
1428 * method is used when a window is modal blocked/unblocked or
1429 * changed its state from/to NormalState to/from other states.
1430 * If window or transientForWindow are embedded frames, the containing
1431 * top-level windows are used.
1432 *
1433 * @param window specifies the top-level window that the hint
1434 * is to be set to
1435 * @param transientForWindow the top-level window
1436 * @param updateChain specifies if next/prevTransientFor fields are
1437 * to be updated
1438 * @param allStates if set to <code>true</code> then TRANSIENT_FOR hint
1439 * is set regardless of the state of window and transientForWindow,
1440 * otherwise it is set only if both are in the same state
1441 */
1442 static void setToplevelTransientFor(XWindowPeer window, XWindowPeer transientForWindow,
1443 boolean updateChain, boolean allStates)
1444 {
1445 if ((window == null) || (transientForWindow == null)) {
1446 return;
1447 }
1448 if (updateChain) {
1449 window.prevTransientFor = transientForWindow;
1450 transientForWindow.nextTransientFor = window;
1451 }
1452 if (window.curRealTransientFor == transientForWindow) {
1453 return;
1454 }
1455 if (!allStates && (window.getWMState() != transientForWindow.getWMState())) {
1456 return;
1457 }
1458 if (window.getScreenNumber() != transientForWindow.getScreenNumber()) {
1459 return;
1460 }
1461 long bpw = window.getWindow();
1462 while (!XlibUtil.isToplevelWindow(bpw) && !XlibUtil.isXAWTToplevelWindow(bpw)) {
1463 bpw = XlibUtil.getParentWindow(bpw);
1464 }
1465 long tpw = transientForWindow.getWindow();
1466 while (!XlibUtil.isToplevelWindow(tpw) && !XlibUtil.isXAWTToplevelWindow(tpw)) {
1467 tpw = XlibUtil.getParentWindow(tpw);
1468 }
1469 XlibWrapper.XSetTransientFor(XToolkit.getDisplay(), bpw, tpw);
1470 window.curRealTransientFor = transientForWindow;
1471 }
1472
1473 /*
1474 * This method does nothing if this window is not blocked by any modal dialog.
1475 * For modal blocked windows this method looks up for the nearest
1476 * prevTransiendFor window that is in the same state (Normal/Iconified/Withdrawn)
1477 * as this one and makes this window transient for it. The same operation is
1478 * performed for nextTransientFor window.
1479 * Values of prevTransientFor and nextTransientFor fields are not changed.
1480 */
1481 void updateTransientFor() {
1482 int state = getWMState();
1483 XWindowPeer p = prevTransientFor;
1484 while ((p != null) && ((p.getWMState() != state) || (p.getScreenNumber() != getScreenNumber()))) {
1485 p = p.prevTransientFor;
1486 }
1487 if (p != null) {
1488 setToplevelTransientFor(this, p, false, false);
1489 } else {
1490 restoreTransientFor(this);
1491 }
1492 XWindowPeer n = nextTransientFor;
1493 while ((n != null) && ((n.getWMState() != state) || (n.getScreenNumber() != getScreenNumber()))) {
1494 n = n.nextTransientFor;
1495 }
1496 if (n != null) {
1497 setToplevelTransientFor(n, this, false, false);
1498 }
1499 }
1500
1501 /*
1502 * Removes the TRANSIENT_FOR hint from the given top-level window.
1503 * If window or transientForWindow are embedded frames, the containing
1504 * top-level windows are used.
1505 *
1506 * @param window specifies the top-level window that the hint
1507 * is to be removed from
1508 */
1509 private static void removeTransientForHint(XWindowPeer window) {
1510 XAtom XA_WM_TRANSIENT_FOR = XAtom.get(XAtom.XA_WM_TRANSIENT_FOR);
1511 long bpw = window.getWindow();
1512 while (!XlibUtil.isToplevelWindow(bpw) && !XlibUtil.isXAWTToplevelWindow(bpw)) {
1513 bpw = XlibUtil.getParentWindow(bpw);
1514 }
1515 XlibWrapper.XDeleteProperty(XToolkit.getDisplay(), bpw, XA_WM_TRANSIENT_FOR.getAtom());
1516 window.curRealTransientFor = null;
1517 }
1518
1519 /*
1520 * When a modal dialog is shown, all its blocked windows are lined up into
1521 * a chain in such a way that each window is a transient_for window for
1522 * the next one. That allows us to keep the modal dialog above all its
1523 * blocked windows (even if there are some another modal dialogs between
1524 * them).
1525 * This method adds this top-level window to the chain of the given modal
1526 * dialog. To keep the current relative z-order, we should use the
1527 * XQueryTree to find the place to insert this window to. As each window
1528 * can be blocked by only one modal dialog (such checks are performed in
1529 * shared code), both this and blockerPeer are on the top of their chains
1530 * (chains may be empty).
1531 * If this window is a modal dialog and has its own chain, these chains are
1532 * merged according to the current z-order (XQueryTree is used again).
1533 * Below are some simple examples (z-order is from left to right, -- is
1534 * modal blocking).
1535 *
1536 * Example 0:
1537 * T (current chain of this, no windows are blocked by this)
1538 * W1---B (current chain of blockerPeer, W2 is blocked by blockerPeer)
1539 * Result is:
1540 * W1-T-B (merged chain, all the windows are blocked by blockerPeer)
1541 *
1542 * Example 1:
1543 * W1-T (current chain of this, W1 is blocked by this)
1544 * W2-B (current chain of blockerPeer, W2 is blocked by blockerPeer)
1545 * Result is:
1546 * W1-T-W2-B (merged chain, all the windows are blocked by blockerPeer)
1547 *
1548 * Example 2:
1549 * W1----T (current chain of this, W1 is blocked by this)
1550 * W2---B (current chain of blockerPeer, W2 is blocked by blockerPeer)
1551 * Result is:
1552 * W1-W2-T-B (merged chain, all the windows are blocked by blockerPeer)
1553 *
1554 * This method should be called under the AWT lock.
1555 *
1556 * @see #removeFromTransientFors
1557 * @see #setModalBlocked
1558 */
1559 private void addToTransientFors(XDialogPeer blockerPeer) {
1560 addToTransientFors(blockerPeer, null);
1561 }
1562
1563 private void addToTransientFors(XDialogPeer blockerPeer, Vector<XWindowPeer> javaToplevels)
1564 {
1565 // blockerPeer chain iterator
1566 XWindowPeer blockerChain = blockerPeer;
1567 while (blockerChain.prevTransientFor != null) {
1568 blockerChain = blockerChain.prevTransientFor;
1569 }
1570 // this window chain iterator
1571 // each window can be blocked no more than once, so this window
1572 // is on top of its chain
1573 XWindowPeer thisChain = this;
1574 while (thisChain.prevTransientFor != null) {
1575 thisChain = thisChain.prevTransientFor;
1576 }
1577 // if there are no windows blocked by modalBlocker, simply add this window
1578 // and its chain to blocker's chain
1579 if (blockerChain == blockerPeer) {
1580 setToplevelTransientFor(blockerPeer, this, true, false);
1581 } else {
1582 // Collect all the Java top-levels, if required
1583 if (javaToplevels == null) {
1584 javaToplevels = collectJavaToplevels();
1585 }
1586 // merged chain tail
1587 XWindowPeer mergedChain = null;
1588 for (XWindowPeer w : javaToplevels) {
1589 XWindowPeer prevMergedChain = mergedChain;
1590 if (w == thisChain) {
1591 if (thisChain == this) {
1592 if (prevMergedChain != null) {
1593 setToplevelTransientFor(this, prevMergedChain, true, false);
1594 }
1595 setToplevelTransientFor(blockerChain, this, true, false);
1596 break;
1597 } else {
1598 mergedChain = thisChain;
1599 thisChain = thisChain.nextTransientFor;
1600 }
1601 } else if (w == blockerChain) {
1602 mergedChain = blockerChain;
1603 blockerChain = blockerChain.nextTransientFor;
1604 } else {
1605 continue;
1606 }
1607 if (prevMergedChain == null) {
1608 mergedChain.prevTransientFor = null;
1609 } else {
1610 setToplevelTransientFor(mergedChain, prevMergedChain, true, false);
1611 mergedChain.updateTransientFor();
1612 }
1613 if (blockerChain == blockerPeer) {
1614 setToplevelTransientFor(thisChain, mergedChain, true, false);
1615 setToplevelTransientFor(blockerChain, this, true, false);
1616 break;
1617 }
1618 }
1619 }
1620
1621 XToolkit.XSync();
1622 }
1623
1624 static void restoreTransientFor(XWindowPeer window) {
1625 XWindowPeer ownerPeer = window.getOwnerPeer();
1626 if (ownerPeer != null) {
1627 setToplevelTransientFor(window, ownerPeer, false, true);
1628 } else {
1629 removeTransientForHint(window);
1630 }
1631 }
1632
1633 /*
1634 * When a window is modally unblocked, it should be removed from its blocker
1635 * chain, see {@link #addToTransientFor addToTransientFors} method for the
1636 * chain definition.
1637 * The problem is that we cannot simply restore window's original
1638 * TRANSIENT_FOR hint (if any) and link prevTransientFor and
1639 * nextTransientFor together as the whole chain could be created as a merge
1640 * of two other chains in addToTransientFors. In that case, if this window is
1641 * a modal dialog, it would lost all its own chain, if we simply exclude it
1642 * from the chain.
1643 * The correct behaviour of this method should be to split the chain, this
1644 * window is currently in, into two chains. First chain is this window own
1645 * chain (i. e. all the windows blocked by this one, directly or indirectly),
1646 * if any, and the rest windows from the current chain.
1647 *
1648 * Example:
1649 * Original state:
1650 * W1-B1 (window W1 is blocked by B1)
1651 * W2-B2 (window W2 is blocked by B2)
1652 * B3 is shown and blocks B1 and B2:
1653 * W1-W2-B1-B2-B3 (a single chain after B1.addToTransientFors() and B2.addToTransientFors())
1654 * If we then unblock B1, the state should be:
1655 * W1-B1 (window W1 is blocked by B1)
1656 * W2-B2-B3 (window W2 is blocked by B2 and B2 is blocked by B3)
1657 *
1658 * This method should be called under the AWT lock.
1659 *
1660 * @see #addToTransientFors
1661 * @see #setModalBlocked
1662 */
1663 private void removeFromTransientFors() {
1664 // the head of the chain of this window
1665 XWindowPeer thisChain = this;
1666 // the head of the current chain
1667 // nextTransientFor is always not null as this window is in the chain
1668 XWindowPeer otherChain = nextTransientFor;
1669 // the set of blockers in this chain: if this dialog blocks some other
1670 // modal dialogs, their blocked windows should stay in this dialog's chain
1671 Set<XWindowPeer> thisChainBlockers = new HashSet<XWindowPeer>();
1672 thisChainBlockers.add(this);
1673 // current chain iterator in the order from next to prev
1674 XWindowPeer chainToSplit = prevTransientFor;
1675 while (chainToSplit != null) {
1676 XWindowPeer blocker = (XWindowPeer) ComponentAccessor.getPeer(chainToSplit.modalBlocker);
1677 if (thisChainBlockers.contains(blocker)) {
1678 // add to this dialog's chain
1679 setToplevelTransientFor(thisChain, chainToSplit, true, false);
1680 thisChain = chainToSplit;
1681 thisChainBlockers.add(chainToSplit);
1682 } else {
1683 // leave in the current chain
1684 setToplevelTransientFor(otherChain, chainToSplit, true, false);
1685 otherChain = chainToSplit;
1686 }
1687 chainToSplit = chainToSplit.prevTransientFor;
1688 }
1689 restoreTransientFor(thisChain);
1690 thisChain.prevTransientFor = null;
1691 restoreTransientFor(otherChain);
1692 otherChain.prevTransientFor = null;
1693 nextTransientFor = null;
1694
1695 XToolkit.XSync();
1696 }
1697
1698 boolean isModalBlocked() {
1699 return modalBlocker != null;
1700 }
1701
1702 static Window getDecoratedOwner(Window window) {
1703 while ((null != window) && !(window instanceof Frame || window instanceof Dialog)) {
1704 window = (Window) ComponentAccessor.getParent_NoClientCode(window);
1705 }
1706 return window;
1707 }
1708
1709 public boolean requestWindowFocus(XWindowPeer actualFocusedWindow) {
1710 setActualFocusedWindow(actualFocusedWindow);
1711 return requestWindowFocus();
1712 }
1713
1714 public boolean requestWindowFocus() {
1715 return requestWindowFocus(0, false);
1716 }
1717
1718 public boolean requestWindowFocus(long time, boolean timeProvided) {
1719 focusLog.fine("Request for window focus");
1720 // If this is Frame or Dialog we can't assure focus request success - but we still can try
1721 // If this is Window and its owner Frame is active we can be sure request succedded.
1722 Window ownerWindow = XWindowPeer.getDecoratedOwner((Window)target);
1723 Window focusedWindow = XKeyboardFocusManagerPeer.getCurrentNativeFocusedWindow();
1724 Window activeWindow = XWindowPeer.getDecoratedOwner(focusedWindow);
1725
1726 if (isWMStateNetHidden()) {
1727 focusLog.fine("The window is unmapped, so rejecting the request");
1728 return false;
1729 }
1730 if (activeWindow == ownerWindow) {
1731 focusLog.fine("Parent window is active - generating focus for this window");
1732 handleWindowFocusInSync(-1);
1733 return true;
1734 }
1735 focusLog.fine("Parent window is not active");
1736
1737 XDecoratedPeer wpeer = (XDecoratedPeer)ComponentAccessor.getPeer(ownerWindow);
1738 if (wpeer != null && wpeer.requestWindowFocus(this, time, timeProvided)) {
1739 focusLog.fine("Parent window accepted focus request - generating focus for this window");
1740 return true;
1741 }
1742 focusLog.fine("Denied - parent window is not active and didn't accept focus request");
1743 return false;
1744 }
1745
1746 // This method is to be overriden in XDecoratedPeer.
1747 void setActualFocusedWindow(XWindowPeer actualFocusedWindow) {
1748 }
1749
1750 public void xSetVisible(boolean visible) {
1751 if (log.isLoggable(PlatformLogger.FINE)) log.fine("Setting visible on " + this + " to " + visible);
1752 XToolkit.awtLock();
1753 try {
1754 this.visible = visible;
1755 if (visible) {
1756 XlibWrapper.XMapRaised(XToolkit.getDisplay(), getWindow());
1757 } else {
1758 XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), getWindow());
1759 }
1760 XlibWrapper.XFlush(XToolkit.getDisplay());
1761 }
1762 finally {
1763 XToolkit.awtUnlock();
1764 }
1765 }
1766
1767 // should be synchronized on awtLock
1768 private int dropTargetCount = 0;
1769
1770 public void addDropTarget() {
1771 XToolkit.awtLock();
1772 try {
1773 if (dropTargetCount == 0) {
1774 long window = getWindow();
1775 if (window != 0) {
1776 XDropTargetRegistry.getRegistry().registerDropSite(window);
1777 }
1778 }
1779 dropTargetCount++;
1780 } finally {
1781 XToolkit.awtUnlock();
1782 }
1783 }
1784
1785 public void removeDropTarget() {
1786 XToolkit.awtLock();
1787 try {
1788 dropTargetCount--;
1789 if (dropTargetCount == 0) {
1790 long window = getWindow();
1791 if (window != 0) {
1792 XDropTargetRegistry.getRegistry().unregisterDropSite(window);
1793 }
1794 }
1795 } finally {
1796 XToolkit.awtUnlock();
1797 }
1798 }
1799 void addRootPropertyEventDispatcher() {
1800 if( rootPropertyEventDispatcher == null ) {
1801 rootPropertyEventDispatcher = new XEventDispatcher() {
1802 public void dispatchEvent(XEvent ev) {
1803 if( ev.get_type() == XConstants.PropertyNotify ) {
1804 handleRootPropertyNotify( ev );
1805 }
1806 }
1807 };
1808 XlibWrapper.XSelectInput( XToolkit.getDisplay(),
1809 XToolkit.getDefaultRootWindow(),
1810 XConstants.PropertyChangeMask);
1811 XToolkit.addEventDispatcher(XToolkit.getDefaultRootWindow(),
1812 rootPropertyEventDispatcher);
1813 }
1814 }
1815 void removeRootPropertyEventDispatcher() {
1816 if( rootPropertyEventDispatcher != null ) {
1817 XToolkit.removeEventDispatcher(XToolkit.getDefaultRootWindow(),
1818 rootPropertyEventDispatcher);
1819 rootPropertyEventDispatcher = null;
1820 }
1821 }
1822 public void updateFocusableWindowState() {
1823 cachedFocusableWindow = isFocusableWindow();
1824 }
1825
1826 XAtom XA_NET_WM_STATE;
1827 XAtomList net_wm_state;
1828 public XAtomList getNETWMState() {
1829 if (net_wm_state == null) {
1830 net_wm_state = XA_NET_WM_STATE.getAtomListPropertyList(this);
1831 }
1832 return net_wm_state;
1833 }
1834
1835 public void setNETWMState(XAtomList state) {
1836 net_wm_state = state;
1837 if (state != null) {
1838 XA_NET_WM_STATE.setAtomListProperty(this, state);
1839 }
1840 }
1841
1842 public PropMwmHints getMWMHints() {
1843 if (mwm_hints == null) {
1844 mwm_hints = new PropMwmHints();
1845 if (!XWM.XA_MWM_HINTS.getAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS)) {
1846 mwm_hints.zero();
1847 }
1848 }
1849 return mwm_hints;
1850 }
1851
1852 public void setMWMHints(PropMwmHints hints) {
1853 mwm_hints = hints;
1854 if (hints != null) {
1855 XWM.XA_MWM_HINTS.setAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS);
1856 }
1857 }
1858
1859 protected void updateDropTarget() {
1860 XToolkit.awtLock();
1861 try {
1862 if (dropTargetCount > 0) {
1863 long window = getWindow();
1864 if (window != 0) {
1865 XDropTargetRegistry.getRegistry().unregisterDropSite(window);
1866 XDropTargetRegistry.getRegistry().registerDropSite(window);
1867 }
1868 }
1869 } finally {
1870 XToolkit.awtUnlock();
1871 }
1872 }
1873
1874 public void setGrab(boolean grab) {
1875 this.grab = grab;
1876 if (grab) {
1877 pressTarget = this;
1878 grabInput();
1879 } else {
1880 ungrabInput();
1881 }
1882 }
1883
1884 public boolean isGrabbed() {
1885 return grab && XAwtState.getGrabWindow() == this;
1886 }
1887
1888 public void handleXCrossingEvent(XEvent xev) {
1889 XCrossingEvent xce = xev.get_xcrossing();
1890 if (grabLog.isLoggable(PlatformLogger.FINE)) {
1891 grabLog.fine("{0}, when grabbed {1}, contains {2}",
1892 xce, isGrabbed(), containsGlobal(xce.get_x_root(), xce.get_y_root()));
1893 }
1894 if (isGrabbed()) {
1895 // When window is grabbed, all events are dispatched to
1896 // it. Retarget them to the corresponding windows (notice
1897 // that XBaseWindow.dispatchEvent does the opposite
1898 // translation)
1899 // Note that we need to retarget XCrossingEvents to content window
1900 // since it generates MOUSE_ENTERED/MOUSE_EXITED for frame and dialog.
1901 // (fix for 6390326)
1902 XBaseWindow target = XToolkit.windowToXWindow(xce.get_window());
1903 grabLog.finer(" - Grab event target {0}", target);
1904 if (target != null && target != this) {
1905 target.dispatchEvent(xev);
1906 return;
1907 }
1908 }
1909 super.handleXCrossingEvent(xev);
1910 }
1911
1912 public void handleMotionNotify(XEvent xev) {
1913 XMotionEvent xme = xev.get_xmotion();
1914 if (grabLog.isLoggable(PlatformLogger.FINE)) {
1915 grabLog.finer("{0}, when grabbed {1}, contains {2}",
1916 xme, isGrabbed(), containsGlobal(xme.get_x_root(), xme.get_y_root()));
1917 }
1918 if (isGrabbed()) {
1919 boolean dragging = false;
1920 final int buttonsNumber = ((SunToolkit)(Toolkit.getDefaultToolkit())).getNumberOfButtons();
1921
1922 for (int i = 0; i < buttonsNumber; i++){
1923 // here is the bug in WM: extra buttons doesn't have state!=0 as they should.
1924 if ((i != 4) && (i != 5)){
1925 dragging = dragging || ((xme.get_state() & XConstants.buttonsMask[i]) != 0);
1926 }
1927 }
1928 // When window is grabbed, all events are dispatched to
1929 // it. Retarget them to the corresponding windows (notice
1930 // that XBaseWindow.dispatchEvent does the opposite
1931 // translation)
1932 XBaseWindow target = XToolkit.windowToXWindow(xme.get_window());
1933 if (dragging && pressTarget != target) {
1934 // for some reasons if we grab input MotionNotify for drag is reported with target
1935 // to underlying window, not to window on which we have initiated drag
1936 // so we need to retarget them. Here I use simplified logic which retarget all
1937 // such events to source of mouse press (or the grabber). It helps with fix for 6390326.
1938 // So, I do not want to implement complicated logic for better retargeting.
1939 target = pressTarget.isVisible() ? pressTarget : this;
1940 xme.set_window(target.getWindow());
1941 Point localCoord = target.toLocal(xme.get_x_root(), xme.get_y_root());
1942 xme.set_x(localCoord.x);
1943 xme.set_y(localCoord.y);
1944 }
1945 grabLog.finer(" - Grab event target {0}", target);
1946 if (target != null) {
1947 if (target != getContentXWindow() && target != this) {
1948 target.dispatchEvent(xev);
1949 return;
1950 }
1951 }
1952
1953 // note that we need to pass dragging events to the grabber (6390326)
1954 // see comment above for more inforamtion.
1955 if (!containsGlobal(xme.get_x_root(), xme.get_y_root()) && !dragging) {
1956 // Outside of Java
1957 return;
1958 }
1959 }
1960 super.handleMotionNotify(xev);
1961 }
1962
1963 // we use it to retarget mouse drag and mouse release during grab.
1964 private XBaseWindow pressTarget = this;
1965
1966 public void handleButtonPressRelease(XEvent xev) {
1967 XButtonEvent xbe = xev.get_xbutton();
1968
1969 /*
1970 * Ignore the buttons above 20 due to the bit limit for
1971 * InputEvent.BUTTON_DOWN_MASK.
1972 * One more bit is reserved for FIRST_HIGH_BIT.
1973 */
1974 if (xbe.get_button() > SunToolkit.MAX_BUTTONS_SUPPORTED) {
1975 return;
1976 }
1977 if (grabLog.isLoggable(PlatformLogger.FINE)) {
1978 grabLog.fine("{0}, when grabbed {1}, contains {2} ({3}, {4}, {5}x{6})",
1979 xbe, isGrabbed(), containsGlobal(xbe.get_x_root(), xbe.get_y_root()), getAbsoluteX(), getAbsoluteY(), getWidth(), getHeight());
1980 }
1981 if (isGrabbed()) {
1982 // When window is grabbed, all events are dispatched to
1983 // it. Retarget them to the corresponding windows (notice
1984 // that XBaseWindow.dispatchEvent does the opposite
1985 // translation)
1986 XBaseWindow target = XToolkit.windowToXWindow(xbe.get_window());
1987 try {
1988 grabLog.finer(" - Grab event target {0} (press target {1})", target, pressTarget);
1989 if (xbe.get_type() == XConstants.ButtonPress
1990 && xbe.get_button() == XConstants.buttons[0])
1991 {
1992 // need to keep it to retarget mouse release
1993 pressTarget = target;
1994 } else if (xbe.get_type() == XConstants.ButtonRelease
1995 && xbe.get_button() == XConstants.buttons[0]
1996 && pressTarget != target)
1997 {
1998 // during grab we do receive mouse release on different component (not on the source
1999 // of mouse press). So we need to retarget it.
2000 // see 6390326 for more information.
2001 target = pressTarget.isVisible() ? pressTarget : this;
2002 xbe.set_window(target.getWindow());
2003 Point localCoord = target.toLocal(xbe.get_x_root(), xbe.get_y_root());
2004 xbe.set_x(localCoord.x);
2005 xbe.set_y(localCoord.y);
2006 pressTarget = this;
2007 }
2008 if (target != null && target != getContentXWindow() && target != this) {
2009 target.dispatchEvent(xev);
2010 return;
2011 }
2012 } finally {
2013 if (target != null) {
2014 // Target is either us or our content window -
2015 // check that event is inside. 'Us' in case of
2016 // shell will mean that this will also filter out press on title
2017 if ((target == this || target == getContentXWindow()) && !containsGlobal(xbe.get_x_root(), xbe.get_y_root())) {
2018 // Outside this toplevel hierarchy
2019 // According to the specification of UngrabEvent, post it
2020 // when press occurs outside of the window and not on its owned windows
2021 grabLog.fine("Generating UngrabEvent on {0} because not inside of shell", this);
2022 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2023 return;
2024 }
2025 // First, get the toplevel
2026 XWindowPeer toplevel = target.getToplevelXWindow();
2027 if (toplevel != null) {
2028 Window w = (Window)toplevel.target;
2029 while (w != null && toplevel != this && !(toplevel instanceof XDialogPeer)) {
2030 w = (Window) ComponentAccessor.getParent_NoClientCode(w);
2031 if (w != null) {
2032 toplevel = (XWindowPeer) ComponentAccessor.getPeer(w);
2033 }
2034 }
2035 if (w == null || (w != this.target && w instanceof Dialog)) {
2036 // toplevel == null - outside of
2037 // hierarchy, toplevel is Dialog - should
2038 // send ungrab (but shouldn't for Window)
2039 grabLog.fine("Generating UngrabEvent on {0} because hierarchy ended", this);
2040 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2041 }
2042 } else {
2043 // toplevel is null - outside of hierarchy
2044 grabLog.fine("Generating UngrabEvent on {0} because toplevel is null", this);
2045 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2046 return;
2047 }
2048 } else {
2049 // target doesn't map to XAWT window - outside of hierarchy
2050 grabLog.fine("Generating UngrabEvent on because target is null {0}", this);
2051 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2052 return;
2053 }
2054 }
2055 }
2056 super.handleButtonPressRelease(xev);
2057 }
2058
2059 public void print(Graphics g) {
2060 // We assume we print the whole frame,
2061 // so we expect no clip was set previously
2062 Shape shape = AWTAccessor.getWindowAccessor().getShape((Window)target);
2063 if (shape != null) {
2064 g.setClip(shape);
2065 }
2066 super.print(g);
2067 }
2068
2069 @Override
2070 public void setOpacity(float opacity) {
2071 final long maxOpacity = 0xffffffffl;
2072 long iOpacity = (long)(opacity * maxOpacity);
2073 if (iOpacity < 0) {
2074 iOpacity = 0;
2075 }
2076 if (iOpacity > maxOpacity) {
2077 iOpacity = maxOpacity;
2078 }
2079
2080 XAtom netWmWindowOpacityAtom = XAtom.get("_NET_WM_WINDOW_OPACITY");
2081
2082 if (iOpacity == maxOpacity) {
2083 netWmWindowOpacityAtom.DeleteProperty(getWindow());
2084 } else {
2085 netWmWindowOpacityAtom.setCard32Property(getWindow(), iOpacity);
2086 }
2087 }
2088
2089 @Override
2090 public void setOpaque(boolean isOpaque) {
2091 // no-op
2092 }
2093
2094 @Override
2095 public void updateWindow() {
2096 // no-op
2097 }
2098 }