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.io.UnsupportedEncodingException;
39
40 import java.security.AccessController;
41 import java.security.PrivilegedAction;
42
43 import java.util.ArrayList;
44 import java.util.HashSet;
45 import java.util.Iterator;
46 import java.util.Set;
47 import java.util.Vector;
48
49 import java.util.concurrent.atomic.AtomicBoolean;
50
51 import sun.util.logging.PlatformLogger;
52
53 import sun.awt.AWTAccessor;
54 import sun.awt.ComponentAccessor;
55 import sun.awt.WindowAccessor;
56 import sun.awt.AWTAccessor;
57 import sun.awt.DisplayChangedListener;
58 import sun.awt.SunToolkit;
59 import sun.awt.X11GraphicsDevice;
60 import sun.awt.X11GraphicsEnvironment;
61
62 import sun.java2d.pipe.Region;
63
64 class XWindowPeer extends XPanelPeer implements WindowPeer,
65 DisplayChangedListener {
66
67 private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XWindowPeer");
68 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.awt.X11.focus.XWindowPeer");
69 private static final PlatformLogger insLog = PlatformLogger.getLogger("sun.awt.X11.insets.XWindowPeer");
70 private static final PlatformLogger grabLog = PlatformLogger.getLogger("sun.awt.X11.grab.XWindowPeer");
71 private static final PlatformLogger iconLog = PlatformLogger.getLogger("sun.awt.X11.icon.XWindowPeer");
72
73 // should be synchronized on awtLock
74 private static Set<XWindowPeer> windows = new HashSet<XWindowPeer>();
75
76
77 private boolean cachedFocusableWindow;
78 XWarningWindow warningWindow;
79
80 private boolean alwaysOnTop;
81 private boolean locationByPlatform;
82
83 Dialog modalBlocker;
84 boolean delayedModalBlocking = false;
85 Dimension targetMinimumSize = null;
86
87 private XWindowPeer ownerPeer;
88
89 // used for modal blocking to keep existing z-order
90 protected XWindowPeer prevTransientFor, nextTransientFor;
91 // value of WM_TRANSIENT_FOR hint set on this window
92 private XWindowPeer curRealTransientFor;
93
94 private boolean grab = false; // Whether to do a grab during showing
95
96 private boolean isMapped = false; // Is this window mapped or not
97 private boolean mustControlStackPosition = false; // Am override-redirect not on top
98 private XEventDispatcher rootPropertyEventDispatcher = null;
99
100 private static final AtomicBoolean isStartupNotificationRemoved = new AtomicBoolean();
101
102 /*
103 * Focus related flags
104 */
105 private boolean isUnhiding = false; // Is the window unhiding.
106 private boolean isBeforeFirstMapNotify = false; // Is the window (being shown) between
107 // setVisible(true) & handleMapNotify().
108
109 // It need to be accessed from XFramePeer.
110 protected Vector <ToplevelStateListener> toplevelStateListeners = new Vector<ToplevelStateListener>();
111 XWindowPeer(XCreateWindowParams params) {
112 super(params.putIfNull(PARENT_WINDOW, Long.valueOf(0)));
113 }
114
115 XWindowPeer(Window target) {
116 super(new XCreateWindowParams(new Object[] {
117 TARGET, target,
118 PARENT_WINDOW, Long.valueOf(0)}));
119 }
120
121 /*
122 * This constant defines icon size recommended for using.
123 * Apparently, we should use XGetIconSizes which should
124 * return icon sizes would be most appreciated by the WM.
125 * However, XGetIconSizes always returns 0 for some reason.
126 * So the constant has been introduced.
127 */
128 private static final int PREFERRED_SIZE_FOR_ICON = 128;
129
130 /*
131 * Sometimes XChangeProperty(_NET_WM_ICON) doesn't work if
132 * image buffer is too large. This constant holds maximum
133 * length of buffer which can be used with _NET_WM_ICON hint.
134 * It holds int's value.
135 */
136 private static final int MAXIMUM_BUFFER_LENGTH_NET_WM_ICON = (2<<15) - 1;
137
138 void preInit(XCreateWindowParams params) {
139 target = (Component)params.get(TARGET);
140 params.put(REPARENTED,
141 Boolean.valueOf(isOverrideRedirect() || isSimpleWindow()));
142 super.preInit(params);
143 params.putIfNull(BIT_GRAVITY, Integer.valueOf(XConstants.NorthWestGravity));
144
145 long eventMask = 0;
146 if (params.containsKey(EVENT_MASK)) {
147 eventMask = ((Long)params.get(EVENT_MASK));
148 }
149 eventMask |= XConstants.VisibilityChangeMask;
150 params.put(EVENT_MASK, eventMask);
151
152 XA_NET_WM_STATE = XAtom.get("_NET_WM_STATE");
153
154
155 params.put(OVERRIDE_REDIRECT, Boolean.valueOf(isOverrideRedirect()));
156
157 SunToolkit.awtLock();
158 try {
159 windows.add(this);
160 } finally {
161 SunToolkit.awtUnlock();
162 }
163
164 cachedFocusableWindow = isFocusableWindow();
165
166 Font f = target.getFont();
167 if (f == null) {
168 f = XWindow.getDefaultFont();
169 target.setFont(f);
170 // we should not call setFont because it will call a repaint
171 // which the peer may not be ready to do yet.
172 }
173 Color c = target.getBackground();
174 if (c == null) {
175 Color background = SystemColor.window;
176 target.setBackground(background);
177 // we should not call setBackGround because it will call a repaint
178 // which the peer may not be ready to do yet.
179 }
180 c = target.getForeground();
181 if (c == null) {
182 target.setForeground(SystemColor.windowText);
183 // we should not call setForeGround because it will call a repaint
184 // which the peer may not be ready to do yet.
185 }
186
187 alwaysOnTop = ((Window)target).isAlwaysOnTop() && ((Window)target).isAlwaysOnTopSupported();
188
189 GraphicsConfiguration gc = getGraphicsConfiguration();
190 ((X11GraphicsDevice)gc.getDevice()).addDisplayChangedListener(this);
191 }
192
193 protected String getWMName() {
194 String name = target.getName();
195 if (name == null || name.trim().equals("")) {
196 name = " ";
197 }
198 return name;
199 }
200
201 void postInit(XCreateWindowParams params) {
202 super.postInit(params);
203
204 // Init WM_PROTOCOLS atom
205 initWMProtocols();
206
207 // Set WM_TRANSIENT_FOR and group_leader
208 Window t_window = (Window)target;
209 Window owner = t_window.getOwner();
210 if (owner != null) {
211 ownerPeer = (XWindowPeer)owner.getPeer();
212 if (focusLog.isLoggable(PlatformLogger.FINER)) {
213 focusLog.fine("Owner is " + owner);
214 focusLog.fine("Owner peer is " + ownerPeer);
215 focusLog.fine("Owner X window " + Long.toHexString(ownerPeer.getWindow()));
216 focusLog.fine("Owner content X window " + Long.toHexString(ownerPeer.getContentWindow()));
217 }
218 // as owner window may be an embedded window, we must get a toplevel window
219 // to set as TRANSIENT_FOR hint
220 long ownerWindow = ownerPeer.getWindow();
221 if (ownerWindow != 0) {
222 XToolkit.awtLock();
223 try {
224 // Set WM_TRANSIENT_FOR
225 if (focusLog.isLoggable(PlatformLogger.FINE)) focusLog.fine("Setting transient on " + Long.toHexString(getWindow())
226 + " for " + Long.toHexString(ownerWindow));
227 setToplevelTransientFor(this, ownerPeer, false, true);
228
229 // Set group leader
230 XWMHints hints = getWMHints();
231 hints.set_flags(hints.get_flags() | (int)XUtilConstants.WindowGroupHint);
232 hints.set_window_group(ownerWindow);
233 XlibWrapper.XSetWMHints(XToolkit.getDisplay(), getWindow(), hints.pData);
234 }
235 finally {
236 XToolkit.awtUnlock();
237 }
238 }
239 }
240
241 // Init warning window(for applets)
242 if (((Window)target).getWarningString() != null) {
243 // accessSystemTray permission allows to display TrayIcon, TrayIcon tooltip
244 // and TrayIcon balloon windows without a warning window.
245 if (!WindowAccessor.isTrayIconWindow((Window)target)) {
246 warningWindow = new XWarningWindow((Window)target, getWindow(), this);
247 }
248 }
249
250 setSaveUnder(true);
251
252 updateIconImages();
253
254 updateShape();
255 updateOpacity();
256 // no need in updateOpaque() as it is no-op
257 }
258
259 public void updateIconImages() {
260 Window target = (Window)this.target;
261 java.util.List<Image> iconImages = ((Window)target).getIconImages();
262 XWindowPeer ownerPeer = getOwnerPeer();
263 winAttr.icons = new ArrayList<XIconInfo>();
264 if (iconImages.size() != 0) {
265 //read icon images from target
266 winAttr.iconsInherited = false;
267 for (Iterator<Image> i = iconImages.iterator(); i.hasNext(); ) {
268 Image image = i.next();
269 if (image == null) {
270 if (log.isLoggable(PlatformLogger.FINEST)) {
271 log.finest("XWindowPeer.updateIconImages: Skipping the image passed into Java because it's null.");
272 }
273 continue;
274 }
275 XIconInfo iconInfo;
276 try {
277 iconInfo = new XIconInfo(image);
278 } catch (Exception e){
279 if (log.isLoggable(PlatformLogger.FINEST)) {
280 log.finest("XWindowPeer.updateIconImages: Perhaps the image passed into Java is broken. Skipping this icon.");
281 }
282 continue;
283 }
284 if (iconInfo.isValid()) {
285 winAttr.icons.add(iconInfo);
286 }
287 }
288 }
289
290 // Fix for CR#6425089
291 winAttr.icons = normalizeIconImages(winAttr.icons);
292
293 if (winAttr.icons.size() == 0) {
294 //target.icons is empty or all icon images are broken
295 if (ownerPeer != null) {
296 //icon is inherited from parent
297 winAttr.iconsInherited = true;
298 winAttr.icons = ownerPeer.getIconInfo();
299 } else {
300 //default icon is used
301 winAttr.iconsInherited = false;
302 winAttr.icons = getDefaultIconInfo();
303 }
304 }
305 recursivelySetIcon(winAttr.icons);
306 }
307
308 /*
309 * Sometimes XChangeProperty(_NET_WM_ICON) doesn't work if
310 * image buffer is too large. This function help us accommodate
311 * initial list of the icon images to certainly-acceptable.
312 * It does scale some of these icons to appropriate size
313 * if it's necessary.
314 */
315 static java.util.List<XIconInfo> normalizeIconImages(java.util.List<XIconInfo> icons) {
316 java.util.List<XIconInfo> result = new ArrayList<XIconInfo>();
317 int totalLength = 0;
318 boolean haveLargeIcon = false;
319
320 for (XIconInfo icon : icons) {
321 int width = icon.getWidth();
322 int height = icon.getHeight();
323 int length = icon.getRawLength();
324
325 if (width > PREFERRED_SIZE_FOR_ICON || height > PREFERRED_SIZE_FOR_ICON) {
326 if (haveLargeIcon) {
327 continue;
328 }
329 int scaledWidth = width;
330 int scaledHeight = height;
331 while (scaledWidth > PREFERRED_SIZE_FOR_ICON ||
332 scaledHeight > PREFERRED_SIZE_FOR_ICON) {
333 scaledWidth = scaledWidth / 2;
334 scaledHeight = scaledHeight / 2;
335 }
336
337 icon.setScaledSize(scaledWidth, scaledHeight);
338 length = icon.getRawLength();
339 }
340
341 if (totalLength + length <= MAXIMUM_BUFFER_LENGTH_NET_WM_ICON) {
342 totalLength += length;
343 result.add(icon);
344 if (width > PREFERRED_SIZE_FOR_ICON || height > PREFERRED_SIZE_FOR_ICON) {
345 haveLargeIcon = true;
346 }
347 }
348 }
349
350 if (iconLog.isLoggable(PlatformLogger.FINEST)) {
351 iconLog.finest(">>> Length_ of buffer of icons data: " + totalLength +
352 ", maximum length: " + MAXIMUM_BUFFER_LENGTH_NET_WM_ICON);
353 }
354
355 return result;
356 }
357
358 /*
359 * Dumps each icon from the list
360 */
361 static void dumpIcons(java.util.List<XIconInfo> icons) {
362 if (iconLog.isLoggable(PlatformLogger.FINEST)) {
363 iconLog.finest(">>> Sizes of icon images:");
364 for (Iterator<XIconInfo> i = icons.iterator(); i.hasNext(); ) {
365 iconLog.finest(" {0}", i.next());
366 }
367 }
368 }
369
370 public void recursivelySetIcon(java.util.List<XIconInfo> icons) {
371 dumpIcons(winAttr.icons);
372 setIconHints(icons);
373 Window target = (Window)this.target;
374 Window[] children = target.getOwnedWindows();
375 int cnt = children.length;
376 for (int i = 0; i < cnt; i++) {
377 ComponentPeer childPeer = children[i].getPeer();
378 if (childPeer != null && childPeer instanceof XWindowPeer) {
379 if (((XWindowPeer)childPeer).winAttr.iconsInherited) {
380 ((XWindowPeer)childPeer).winAttr.icons = icons;
381 ((XWindowPeer)childPeer).recursivelySetIcon(icons);
382 }
383 }
384 }
385 }
386
387 java.util.List<XIconInfo> getIconInfo() {
388 return winAttr.icons;
389 }
390 void setIconHints(java.util.List<XIconInfo> icons) {
391 //This does nothing for XWindowPeer,
392 //It's overriden in XDecoratedPeer
393 }
394
395 private static ArrayList<XIconInfo> defaultIconInfo;
396 protected synchronized static java.util.List<XIconInfo> getDefaultIconInfo() {
397 if (defaultIconInfo == null) {
398 defaultIconInfo = new ArrayList<XIconInfo>();
399 if (XlibWrapper.dataModel == 32) {
400 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon16_png.java_icon16_png));
401 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon24_png.java_icon24_png));
402 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon32_png.java_icon32_png));
403 defaultIconInfo.add(new XIconInfo(XAWTIcon32_java_icon48_png.java_icon48_png));
404 } else {
405 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon16_png.java_icon16_png));
406 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon24_png.java_icon24_png));
407 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon32_png.java_icon32_png));
408 defaultIconInfo.add(new XIconInfo(XAWTIcon64_java_icon48_png.java_icon48_png));
409 }
410 }
411 return defaultIconInfo;
412 }
413
414 private void updateShape() {
415 // Shape shape = ((Window)target).getShape();
416 Shape shape = AWTAccessor.getWindowAccessor().getShape((Window)target);
417 if (shape != null) {
418 applyShape(Region.getInstance(shape, null));
419 }
420 }
421
422 private void updateOpacity() {
423 // float opacity = ((Window)target).getOpacity();
424 float opacity = AWTAccessor.getWindowAccessor().getOpacity((Window)target);
425 if (opacity < 1.0f) {
426 setOpacity(opacity);
427 }
428 }
429
430 public void updateMinimumSize() {
431 //This function only saves minimumSize value in XWindowPeer
432 //Setting WMSizeHints is implemented in XDecoratedPeer
433 targetMinimumSize = (((Component)target).isMinimumSizeSet()) ?
434 ((Component)target).getMinimumSize() : null;
435 }
436
437 public Dimension getTargetMinimumSize() {
438 return (targetMinimumSize == null) ? null : new Dimension(targetMinimumSize);
439 }
440
441 public XWindowPeer getOwnerPeer() {
442 return ownerPeer;
443 }
444
445 //Fix for 6318144: PIT:Setting Min Size bigger than current size enlarges
446 //the window but fails to revalidate, Sol-CDE
447 //This bug is regression for
448 //5025858: Resizing a decorated frame triggers componentResized event twice.
449 //Since events are not posted from Component.setBounds we need to send them here.
450 //Note that this function is overriden in XDecoratedPeer so event
451 //posting is not changing for decorated peers
452 public void setBounds(int x, int y, int width, int height, int op) {
453 XToolkit.awtLock();
454 try {
455 Rectangle oldBounds = getBounds();
456
457 super.setBounds(x, y, width, height, op);
458
459 Rectangle bounds = getBounds();
460
461 XSizeHints hints = getHints();
462 setSizeHints(hints.get_flags() | XUtilConstants.PPosition | XUtilConstants.PSize,
463 bounds.x, bounds.y, bounds.width, bounds.height);
464 XWM.setMotifDecor(this, false, 0, 0);
465
466 XNETProtocol protocol = XWM.getWM().getNETProtocol();
467 if (protocol != null && protocol.active()) {
468 XAtomList net_wm_state = getNETWMState();
469 net_wm_state.add(protocol.XA_NET_WM_STATE_SKIP_TASKBAR);
470 setNETWMState(net_wm_state);
471 }
472
473
474 boolean isResized = !bounds.getSize().equals(oldBounds.getSize());
475 boolean isMoved = !bounds.getLocation().equals(oldBounds.getLocation());
476 if (isMoved || isResized) {
477 repositionSecurityWarning();
478 }
479 if (isResized) {
480 postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_RESIZED));
481 }
482 if (isMoved) {
483 postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_MOVED));
484 }
485 } finally {
486 XToolkit.awtUnlock();
487 }
488 }
489
490 void updateFocusability() {
491 updateFocusableWindowState();
492 XToolkit.awtLock();
493 try {
494 XWMHints hints = getWMHints();
495 hints.set_flags(hints.get_flags() | (int)XUtilConstants.InputHint);
496 hints.set_input(false/*isNativelyNonFocusableWindow() ? (0):(1)*/);
497 XlibWrapper.XSetWMHints(XToolkit.getDisplay(), getWindow(), hints.pData);
498 }
499 finally {
500 XToolkit.awtUnlock();
501 }
502 }
503
504 public Insets getInsets() {
505 return new Insets(0, 0, 0, 0);
506 }
507
508 // NOTE: This method may be called by privileged threads.
509 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
510 public void handleIconify() {
511 postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_ICONIFIED));
512 }
513
514 // NOTE: This method may be called by privileged threads.
515 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
516 public void handleDeiconify() {
517 postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_DEICONIFIED));
518 }
519
520 // NOTE: This method may be called by privileged threads.
521 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
522 public void handleStateChange(int oldState, int newState) {
523 postEvent(new WindowEvent((Window)target,
524 WindowEvent.WINDOW_STATE_CHANGED,
525 oldState, newState));
526 }
527
528 /**
529 * DEPRECATED: Replaced by getInsets().
530 */
531 public Insets insets() {
532 return getInsets();
533 }
534
535 boolean isAutoRequestFocus() {
536 if (XToolkit.isToolkitThread()) {
537 return WindowAccessor.isAutoRequestFocus((Window)target);
538 } else {
539 return ((Window)target).isAutoRequestFocus();
540 }
541 }
542
543 /*
544 * Retrives real native focused window and converts it into Java peer.
545 */
546 static XWindowPeer getNativeFocusedWindowPeer() {
547 XBaseWindow baseWindow = XToolkit.windowToXWindow(xGetInputFocus());
548 return (baseWindow instanceof XWindowPeer) ? (XWindowPeer)baseWindow :
549 (baseWindow instanceof XFocusProxyWindow) ?
550 ((XFocusProxyWindow)baseWindow).getOwner() : null;
551 }
552
553 /*
554 * Retrives real native focused window and converts it into Java window.
555 */
556 static Window getNativeFocusedWindow() {
557 XWindowPeer peer = getNativeFocusedWindowPeer();
558 return peer != null ? (Window)peer.target : null;
559 }
560
561 boolean isFocusableWindow() {
562 if (XToolkit.isToolkitThread() || SunToolkit.isAWTLockHeldByCurrentThread())
563 {
564 return cachedFocusableWindow;
565 } else {
566 return ((Window)target).isFocusableWindow();
567 }
568 }
569
570 /* WARNING: don't call client code in this method! */
571 boolean isFocusedWindowModalBlocker() {
572 return false;
573 }
574
575 long getFocusTargetWindow() {
576 return getContentWindow();
577 }
578
579 /**
580 * Returns whether or not this window peer has native X window
581 * configured as non-focusable window. It might happen if:
582 * - Java window is non-focusable
583 * - Java window is simple Window(not Frame or Dialog)
584 */
585 boolean isNativelyNonFocusableWindow() {
586 if (XToolkit.isToolkitThread() || SunToolkit.isAWTLockHeldByCurrentThread())
587 {
588 return isSimpleWindow() || !cachedFocusableWindow;
589 } else {
590 return isSimpleWindow() || !(((Window)target).isFocusableWindow());
591 }
592 }
593
594 public void handleWindowFocusIn_Dispatch() {
595 if (EventQueue.isDispatchThread()) {
596 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow((Window) target);
597 target.dispatchEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS));
598 }
599 }
600
601 public void handleWindowFocusInSync(long serial) {
602 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS);
603 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow((Window) target);
604 sendEvent(we);
605 }
606 // NOTE: This method may be called by privileged threads.
607 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
608 public void handleWindowFocusIn(long serial) {
609 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS);
610 /* wrap in Sequenced, then post*/
611 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow((Window) target);
612 postEvent(wrapInSequenced((AWTEvent) we));
613 }
614
615 // NOTE: This method may be called by privileged threads.
616 // DO NOT INVOKE CLIENT CODE ON THIS THREAD!
617 public void handleWindowFocusOut(Window oppositeWindow, long serial) {
618 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_LOST_FOCUS, oppositeWindow);
619 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow(null);
620 XKeyboardFocusManagerPeer.setCurrentNativeFocusOwner(null);
621 /* wrap in Sequenced, then post*/
622 postEvent(wrapInSequenced((AWTEvent) we));
623 }
624 public void handleWindowFocusOutSync(Window oppositeWindow, long serial) {
625 WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_LOST_FOCUS, oppositeWindow);
626 XKeyboardFocusManagerPeer.setCurrentNativeFocusedWindow(null);
627 XKeyboardFocusManagerPeer.setCurrentNativeFocusOwner(null);
628 sendEvent(we);
629 }
630
631 /* --- DisplayChangedListener Stuff --- */
632
633 /* Xinerama
634 * called to check if we've been moved onto a different screen
635 * Based on checkNewXineramaScreen() in awt_GraphicsEnv.c
636 */
637 public void checkIfOnNewScreen(Rectangle newBounds) {
638 if (!XToolkit.localEnv.runningXinerama()) {
639 return;
640 }
641
642 if (log.isLoggable(PlatformLogger.FINEST)) {
643 log.finest("XWindowPeer: Check if we've been moved to a new screen since we're running in Xinerama mode");
644 }
645
646 int area = newBounds.width * newBounds.height;
647 int intAmt, vertAmt, horizAmt;
648 int largestAmt = 0;
649 int curScreenNum = ((X11GraphicsDevice)getGraphicsConfiguration().getDevice()).getScreen();
650 int newScreenNum = 0;
651 GraphicsDevice gds[] = XToolkit.localEnv.getScreenDevices();
652 GraphicsConfiguration newGC = null;
653 Rectangle screenBounds;
654
655 for (int i = 0; i < gds.length; i++) {
656 screenBounds = gds[i].getDefaultConfiguration().getBounds();
657 if (newBounds.intersects(screenBounds)) {
658 horizAmt = Math.min(newBounds.x + newBounds.width,
659 screenBounds.x + screenBounds.width) -
660 Math.max(newBounds.x, screenBounds.x);
661 vertAmt = Math.min(newBounds.y + newBounds.height,
662 screenBounds.y + screenBounds.height)-
663 Math.max(newBounds.y, screenBounds.y);
664 intAmt = horizAmt * vertAmt;
665 if (intAmt == area) {
666 // Completely on this screen - done!
667 newScreenNum = i;
668 newGC = gds[i].getDefaultConfiguration();
669 break;
670 }
671 if (intAmt > largestAmt) {
672 largestAmt = intAmt;
673 newScreenNum = i;
674 newGC = gds[i].getDefaultConfiguration();
675 }
676 }
677 }
678 if (newScreenNum != curScreenNum) {
679 if (log.isLoggable(PlatformLogger.FINEST)) {
680 log.finest("XWindowPeer: Moved to a new screen");
681 }
682 executeDisplayChangedOnEDT(newGC);
683 }
684 }
685
686 /**
687 * Helper method that executes the displayChanged(screen) method on
688 * the event dispatch thread. This method is used in the Xinerama case
689 * and after display mode change events.
690 */
691 private void executeDisplayChangedOnEDT(final GraphicsConfiguration gc) {
692 Runnable dc = new Runnable() {
693 public void run() {
694 AWTAccessor.getComponentAccessor().
695 setGraphicsConfiguration((Component)target, gc);
696 }
697 };
698 SunToolkit.executeOnEventHandlerThread((Component)target, dc);
699 }
700
701 /**
702 * From the DisplayChangedListener interface; called from
703 * X11GraphicsDevice when the display mode has been changed.
704 */
705 public void displayChanged() {
706 executeDisplayChangedOnEDT(getGraphicsConfiguration());
707 }
708
709 /**
710 * From the DisplayChangedListener interface; top-levels do not need
711 * to react to this event.
712 */
713 public void paletteChanged() {
714 }
715
716 /*
717 * Overridden to check if we need to update our GraphicsDevice/Config
718 * Added for 4934052.
719 */
720 @Override
721 public void handleConfigureNotifyEvent(XEvent xev) {
722 // TODO: We create an XConfigureEvent every time we override
723 // handleConfigureNotify() - too many!
724 XConfigureEvent xe = xev.get_xconfigure();
725 checkIfOnNewScreen(new Rectangle(xe.get_x(),
726 xe.get_y(),
727 xe.get_width(),
728 xe.get_height()));
729
730 // Don't call super until we've handled a screen change. Otherwise
731 // there could be a race condition in which a ComponentListener could
732 // see the old screen.
733 super.handleConfigureNotifyEvent(xev);
734 repositionSecurityWarning();
735 }
736
737 final void requestXFocus(long time) {
738 requestXFocus(time, true);
739 }
740
741 final void requestXFocus() {
742 requestXFocus(0, false);
743 }
744
745 /**
746 * Requests focus to this top-level. Descendants should override to provide
747 * implementations based on a class of top-level.
748 */
749 protected void requestXFocus(long time, boolean timeProvided) {
750 // Since in XAWT focus is synthetic and all basic Windows are
751 // override_redirect all we can do is check whether our parent
752 // is active. If it is - we can freely synthesize focus transfer.
753 // Luckily, this logic is already implemented in requestWindowFocus.
754 if (focusLog.isLoggable(PlatformLogger.FINE)) focusLog.fine("Requesting window focus");
755 requestWindowFocus(time, timeProvided);
756 }
757
758 public final boolean focusAllowedFor() {
759 if (isNativelyNonFocusableWindow()) {
760 return false;
761 }
762 /*
763 Window target = (Window)this.target;
764 if (!target.isVisible() ||
765 !target.isEnabled() ||
766 !target.isFocusable())
767 {
768 return false;
769 }
770 */
771 if (isModalBlocked()) {
772 return false;
773 }
774 return true;
775 }
776
777 public void handleFocusEvent(XEvent xev) {
778 XFocusChangeEvent xfe = xev.get_xfocus();
779 FocusEvent fe;
780 focusLog.fine("{0}", xfe);
781 if (isEventDisabled(xev)) {
782 return;
783 }
784 if (xev.get_type() == XConstants.FocusIn)
785 {
786 // If this window is non-focusable don't post any java focus event
787 if (focusAllowedFor()) {
788 if (xfe.get_mode() == XConstants.NotifyNormal // Normal notify
789 || xfe.get_mode() == XConstants.NotifyWhileGrabbed) // Alt-Tab notify
790 {
791 handleWindowFocusIn(xfe.get_serial());
792 }
793 }
794 }
795 else
796 {
797 if (xfe.get_mode() == XConstants.NotifyNormal // Normal notify
798 || xfe.get_mode() == XConstants.NotifyWhileGrabbed) // Alt-Tab notify
799 {
800 // If this window is non-focusable don't post any java focus event
801 if (!isNativelyNonFocusableWindow()) {
802 XWindowPeer oppositeXWindow = getNativeFocusedWindowPeer();
803 Object oppositeTarget = (oppositeXWindow!=null)? oppositeXWindow.getTarget() : null;
804 Window oppositeWindow = null;
805 if (oppositeTarget instanceof Window) {
806 oppositeWindow = (Window) oppositeTarget;
807 }
808 // Check if opposite window is non-focusable. In that case we don't want to
809 // post any event.
810 if (oppositeXWindow != null && oppositeXWindow.isNativelyNonFocusableWindow()) {
811 return;
812 }
813 if (this == oppositeXWindow) {
814 oppositeWindow = null;
815 } else if (oppositeXWindow instanceof XDecoratedPeer) {
816 if (((XDecoratedPeer) oppositeXWindow).actualFocusedWindow != null) {
817 oppositeXWindow = ((XDecoratedPeer) oppositeXWindow).actualFocusedWindow;
818 oppositeTarget = oppositeXWindow.getTarget();
819 if (oppositeTarget instanceof Window
820 && oppositeXWindow.isVisible()
821 && oppositeXWindow.isNativelyNonFocusableWindow())
822 {
823 oppositeWindow = ((Window) oppositeTarget);
824 }
825 }
826 }
827 handleWindowFocusOut(oppositeWindow, xfe.get_serial());
828 }
829 }
830 }
831 }
832
833 void setSaveUnder(boolean state) {}
834
835 public void toFront() {
836 if (isOverrideRedirect() && mustControlStackPosition) {
837 mustControlStackPosition = false;
838 removeRootPropertyEventDispatcher();
839 }
840 if (isVisible()) {
841 super.toFront();
842 if (isFocusableWindow() && isAutoRequestFocus() &&
843 !isModalBlocked() && !isWithdrawn())
844 {
845 requestInitialFocus();
846 }
847 } else {
848 setVisible(true);
849 }
850 }
851
852 public void toBack() {
853 XToolkit.awtLock();
854 try {
855 if(!isOverrideRedirect()) {
856 XlibWrapper.XLowerWindow(XToolkit.getDisplay(), getWindow());
857 }else{
858 lowerOverrideRedirect();
859 }
860 }
861 finally {
862 XToolkit.awtUnlock();
863 }
864 }
865 private void lowerOverrideRedirect() {
866 //
867 // make new hash of toplevels of all windows from 'windows' hash.
868 // FIXME: do not call them "toplevel" as it is misleading.
869 //
870 HashSet toplevels = new HashSet();
871 long topl = 0, mytopl = 0;
872
873 for (XWindowPeer xp : windows) {
874 topl = getToplevelWindow( xp.getWindow() );
875 if( xp.equals( this ) ) {
876 mytopl = topl;
877 }
878 if( topl > 0 )
879 toplevels.add( Long.valueOf( topl ) );
880 }
881
882 //
883 // find in the root's tree:
884 // (1) my toplevel, (2) lowest java toplevel, (3) desktop
885 // We must enforce (3), (1), (2) order, upward;
886 // note that nautilus on the next restacking will do (1),(3),(2).
887 //
888 long laux, wDesktop = -1, wBottom = -1;
889 int iMy = -1, iDesktop = -1, iBottom = -1;
890 int i = 0;
891 XQueryTree xqt = new XQueryTree(XToolkit.getDefaultRootWindow());
892 try {
893 if( xqt.execute() > 0 ) {
894 int nchildren = xqt.get_nchildren();
895 long children = xqt.get_children();
896 for(i = 0; i < nchildren; i++) {
897 laux = Native.getWindow(children, i);
898 if( laux == mytopl ) {
899 iMy = i;
900 }else if( isDesktopWindow( laux ) ) {
901 // we need topmost desktop of them all.
902 iDesktop = i;
903 wDesktop = laux;
904 }else if(iBottom < 0 &&
905 toplevels.contains( Long.valueOf(laux) ) &&
906 laux != mytopl) {
907 iBottom = i;
908 wBottom = laux;
909 }
910 }
911 }
912
913 if( (iMy < iBottom || iBottom < 0 )&& iDesktop < iMy)
914 return; // no action necessary
915
916 long to_restack = Native.allocateLongArray(2);
917 Native.putLong(to_restack, 0, wBottom);
918 Native.putLong(to_restack, 1, mytopl);
919 XlibWrapper.XRestackWindows(XToolkit.getDisplay(), to_restack, 2);
920 XlibWrapper.unsafe.freeMemory(to_restack);
921
922
923 if( !mustControlStackPosition ) {
924 mustControlStackPosition = true;
925 // add root window property listener:
926 // somebody (eg nautilus desktop) may obscure us
927 addRootPropertyEventDispatcher();
928 }
929 } finally {
930 xqt.dispose();
931 }
932 }
933 /**
934 Get XID of closest to root window in a given window hierarchy.
935 FIXME: do not call it "toplevel" as it is misleading.
936 On error return 0.
937 */
938 private long getToplevelWindow( long w ) {
939 long wi = w, ret, root;
940 do {
941 ret = wi;
942 XQueryTree qt = new XQueryTree(wi);
943 try {
944 if (qt.execute() == 0) {
945 return 0;
946 }
947 root = qt.get_root();
948 wi = qt.get_parent();
949 } finally {
950 qt.dispose();
951 }
952
953 } while (wi != root);
954
955 return ret;
956 }
957
958 private static boolean isDesktopWindow( long wi ) {
959 return XWM.getWM().isDesktopWindow( wi );
960 }
961
962 private void updateAlwaysOnTop() {
963 log.fine("Promoting always-on-top state {0}", Boolean.valueOf(alwaysOnTop));
964 XWM.getWM().setLayer(this,
965 alwaysOnTop ?
966 XLayerProtocol.LAYER_ALWAYS_ON_TOP :
967 XLayerProtocol.LAYER_NORMAL);
968 }
969
970 public void setAlwaysOnTop(boolean alwaysOnTop) {
971 this.alwaysOnTop = alwaysOnTop;
972 updateAlwaysOnTop();
973 }
974
975 boolean isLocationByPlatform() {
976 return locationByPlatform;
977 }
978
979 private void promoteDefaultPosition() {
980 this.locationByPlatform = ((Window)target).isLocationByPlatform();
981 if (locationByPlatform) {
982 XToolkit.awtLock();
983 try {
984 Rectangle bounds = getBounds();
985 XSizeHints hints = getHints();
986 setSizeHints(hints.get_flags() & ~(XUtilConstants.USPosition | XUtilConstants.PPosition),
987 bounds.x, bounds.y, bounds.width, bounds.height);
988 } finally {
989 XToolkit.awtUnlock();
990 }
991 }
992 }
993
994 public void setVisible(boolean vis) {
995 if (!isVisible() && vis) {
996 isBeforeFirstMapNotify = true;
997 winAttr.initialFocus = isAutoRequestFocus();
998 if (!winAttr.initialFocus) {
999 /*
1000 * It's easier and safer to temporary suppress WM_TAKE_FOCUS
1001 * protocol itself than to ignore WM_TAKE_FOCUS client message.
1002 * Because we will have to make the difference between
1003 * the message come after showing and the message come after
1004 * activation. Also, on Metacity, for some reason, we have _two_
1005 * WM_TAKE_FOCUS client messages when showing a frame/dialog.
1006 */
1007 suppressWmTakeFocus(true);
1008 }
1009 }
1010 updateFocusability();
1011 promoteDefaultPosition();
1012 if (!vis && warningWindow != null) {
1013 warningWindow.setSecurityWarningVisible(false, false);
1014 }
1015 super.setVisible(vis);
1016 if (!vis && !isWithdrawn()) {
1017 // ICCCM, 4.1.4. Changing Window State:
1018 // "Iconic -> Withdrawn - The client should unmap the window and follow it
1019 // with a synthetic UnmapNotify event as described later in this section."
1020 // The same is true for Normal -> Withdrawn
1021 XToolkit.awtLock();
1022 try {
1023 XUnmapEvent unmap = new XUnmapEvent();
1024 unmap.set_window(window);
1025 unmap.set_event(XToolkit.getDefaultRootWindow());
1026 unmap.set_type((int)XConstants.UnmapNotify);
1027 unmap.set_from_configure(false);
1028 XlibWrapper.XSendEvent(XToolkit.getDisplay(), XToolkit.getDefaultRootWindow(),
1029 false, XConstants.SubstructureNotifyMask | XConstants.SubstructureRedirectMask,
1030 unmap.pData);
1031 unmap.dispose();
1032 }
1033 finally {
1034 XToolkit.awtUnlock();
1035 }
1036 }
1037 // method called somewhere in parent does not generate configure-notify
1038 // event for override-redirect.
1039 // Ergo, no reshape and bugs like 5085647 in case setBounds was
1040 // called before setVisible.
1041 if (isOverrideRedirect() && vis) {
1042 updateChildrenSizes();
1043 }
1044 repositionSecurityWarning();
1045 }
1046
1047 protected void suppressWmTakeFocus(boolean doSuppress) {
1048 }
1049
1050 final boolean isSimpleWindow() {
1051 return !(target instanceof Frame || target instanceof Dialog);
1052 }
1053 boolean hasWarningWindow() {
1054 return ((Window)target).getWarningString() != null;
1055 }
1056
1057 // The height of menu bar window
1058 int getMenuBarHeight() {
1059 return 0;
1060 }
1061
1062 // Called when shell changes its size and requires children windows
1063 // to update their sizes appropriately
1064 void updateChildrenSizes() {
1065 }
1066
1067 public void repositionSecurityWarning() {
1068 // NOTE: On KWin if the window/border snapping option is enabled,
1069 // the Java window may be swinging while it's being moved.
1070 // This doesn't make the application unusable though looks quite ugly.
1071 // Probobly we need to find some hint to assign to our Security
1072 // Warning window in order to exclude it from the snapping option.
1073 // We are not currently aware of existance of such a property.
1074 if (warningWindow != null) {
1075 // We can't use the coordinates stored in the XBaseWindow since
1076 // they are zeros for decorated frames.
1077 int x = ComponentAccessor.getX(target);
1078 int y = ComponentAccessor.getY(target);
1079 int width = ComponentAccessor.getWidth(target);
1080 int height = ComponentAccessor.getHeight(target);
1081 warningWindow.reposition(x, y, width, height);
1082 }
1083 }
1084
1085 @Override
1086 protected void setMouseAbove(boolean above) {
1087 super.setMouseAbove(above);
1088 updateSecurityWarningVisibility();
1089 }
1090
1091 @Override
1092 public void setFullScreenExclusiveModeState(boolean state) {
1093 super.setFullScreenExclusiveModeState(state);
1094 updateSecurityWarningVisibility();
1095 }
1096
1097 public void updateSecurityWarningVisibility() {
1098 if (warningWindow == null) {
1099 return;
1100 }
1101
1102 if (!isVisible()) {
1103 return; // The warning window should already be hidden.
1104 }
1105
1106 boolean show = false;
1107
1108 if (!isFullScreenExclusiveMode()) {
1109 int state = getWMState();
1110
1111 // getWMState() always returns 0 (Withdrawn) for simple windows. Hence
1112 // we ignore the state for such windows.
1113 if (isVisible() && (state == XUtilConstants.NormalState || isSimpleWindow())) {
1114 if (XKeyboardFocusManagerPeer.getCurrentNativeFocusedWindow() ==
1115 getTarget())
1116 {
1117 show = true;
1118 }
1119
1120 if (isMouseAbove() || warningWindow.isMouseAbove())
1121 {
1122 show = true;
1123 }
1124 }
1125 }
1126
1127 warningWindow.setSecurityWarningVisible(show, true);
1128 }
1129
1130 boolean isOverrideRedirect() {
1131 return (XWM.getWMID() == XWM.OPENLOOK_WM ? true : false) ||
1132 ((XToolkit)Toolkit.getDefaultToolkit()).isOverrideRedirect((Window)target) ||
1133 XTrayIconPeer.isTrayIconStuffWindow((Window)target);
1134 }
1135
1136 final boolean isOLWMDecorBug() {
1137 return XWM.getWMID() == XWM.OPENLOOK_WM &&
1138 winAttr.nativeDecor == false;
1139 }
1140
1141 public void dispose() {
1142 SunToolkit.awtLock();
1143 try {
1144 windows.remove(this);
1145 } finally {
1146 SunToolkit.awtUnlock();
1147 }
1148 if (warningWindow != null) {
1149 warningWindow.destroy();
1150 }
1151 removeRootPropertyEventDispatcher();
1152 mustControlStackPosition = false;
1153 super.dispose();
1154
1155 /*
1156 * Fix for 6457980.
1157 * When disposing an owned Window we should implicitly
1158 * return focus to its decorated owner because it won't
1159 * receive WM_TAKE_FOCUS.
1160 */
1161 if (isSimpleWindow()) {
1162 if (target == XKeyboardFocusManagerPeer.getCurrentNativeFocusedWindow()) {
1163 Window owner = getDecoratedOwner((Window)target);
1164 ((XWindowPeer)ComponentAccessor.getPeer(owner)).requestWindowFocus();
1165 }
1166 }
1167 }
1168 boolean isResizable() {
1169 return winAttr.isResizable;
1170 }
1171
1172 public void handleVisibilityEvent(XEvent xev) {
1173 super.handleVisibilityEvent(xev);
1174 XVisibilityEvent ve = xev.get_xvisibility();
1175 winAttr.visibilityState = ve.get_state();
1176 // if (ve.get_state() == XlibWrapper.VisibilityUnobscured) {
1177 // // raiseInputMethodWindow
1178 // }
1179 repositionSecurityWarning();
1180 }
1181
1182 void handleRootPropertyNotify(XEvent xev) {
1183 XPropertyEvent ev = xev.get_xproperty();
1184 if( mustControlStackPosition &&
1185 ev.get_atom() == XAtom.get("_NET_CLIENT_LIST_STACKING").getAtom()){
1186 // Restore stack order unhadled/spoiled by WM or some app (nautilus).
1187 // As of now, don't use any generic machinery: just
1188 // do toBack() again.
1189 if(isOverrideRedirect()) {
1190 toBack();
1191 }
1192 }
1193 }
1194
1195 private void removeStartupNotification() {
1196 if (isStartupNotificationRemoved.getAndSet(true)) {
1197 return;
1198 }
1199
1200 final String desktopStartupId = AccessController.doPrivileged(new PrivilegedAction<String>() {
1201 public String run() {
1202 return XToolkit.getEnv("DESKTOP_STARTUP_ID");
1203 }
1204 });
1205 if (desktopStartupId == null) {
1206 return;
1207 }
1208
1209 final StringBuilder messageBuilder = new StringBuilder("remove: ID=");
1210 messageBuilder.append('"');
1211 for (int i = 0; i < desktopStartupId.length(); i++) {
1212 if (desktopStartupId.charAt(i) == '"' || desktopStartupId.charAt(i) == '\\') {
1213 messageBuilder.append('\\');
1214 }
1215 messageBuilder.append(desktopStartupId.charAt(i));
1216 }
1217 messageBuilder.append('"');
1218 messageBuilder.append('\0');
1219 final byte[] message;
1220 try {
1221 message = messageBuilder.toString().getBytes("UTF-8");
1222 } catch (UnsupportedEncodingException cannotHappen) {
1223 return;
1224 }
1225
1226 XClientMessageEvent req = null;
1227
1228 XToolkit.awtLock();
1229 try {
1230 final XAtom netStartupInfoBeginAtom = XAtom.get("_NET_STARTUP_INFO_BEGIN");
1231 final XAtom netStartupInfoAtom = XAtom.get("_NET_STARTUP_INFO");
1232
1233 req = new XClientMessageEvent();
1234 req.set_type(XConstants.ClientMessage);
1235 req.set_window(getWindow());
1236 req.set_message_type(netStartupInfoBeginAtom.getAtom());
1237 req.set_format(8);
1238
1239 for (int pos = 0; pos < message.length; pos += 20) {
1240 final int msglen = Math.min(message.length - pos, 20);
1241 int i = 0;
1242 for (; i < msglen; i++) {
1243 XlibWrapper.unsafe.putByte(req.get_data() + i, message[pos + i]);
1244 }
1245 for (; i < 20; i++) {
1246 XlibWrapper.unsafe.putByte(req.get_data() + i, (byte)0);
1247 }
1248 XlibWrapper.XSendEvent(XToolkit.getDisplay(),
1249 XlibWrapper.RootWindow(XToolkit.getDisplay(), getScreenNumber()),
1250 false,
1251 XConstants.PropertyChangeMask,
1252 req.pData);
1253 req.set_message_type(netStartupInfoAtom.getAtom());
1254 }
1255 } finally {
1256 XToolkit.awtUnlock();
1257 if (req != null) {
1258 req.dispose();
1259 }
1260 }
1261 }
1262
1263 public void handleMapNotifyEvent(XEvent xev) {
1264 removeStartupNotification();
1265
1266 // See 6480534.
1267 isUnhiding |= isWMStateNetHidden();
1268
1269 super.handleMapNotifyEvent(xev);
1270 if (!winAttr.initialFocus) {
1271 suppressWmTakeFocus(false); // restore the protocol.
1272 /*
1273 * For some reason, on Metacity, a frame/dialog being shown
1274 * without WM_TAKE_FOCUS protocol doesn't get moved to the front.
1275 * So, we do it evidently.
1276 */
1277 XToolkit.awtLock();
1278 try {
1279 XlibWrapper.XRaiseWindow(XToolkit.getDisplay(), getWindow());
1280 } finally {
1281 XToolkit.awtUnlock();
1282 }
1283 }
1284 if (shouldFocusOnMapNotify()) {
1285 focusLog.fine("Automatically request focus on window");
1286 requestInitialFocus();
1287 }
1288 isUnhiding = false;
1289 isBeforeFirstMapNotify = false;
1290 updateAlwaysOnTop();
1291
1292 synchronized (getStateLock()) {
1293 if (!isMapped) {
1294 isMapped = true;
1295 }
1296 }
1297 }
1298
1299 public void handleUnmapNotifyEvent(XEvent xev) {
1300 super.handleUnmapNotifyEvent(xev);
1301
1302 // On Metacity UnmapNotify comes before PropertyNotify (for _NET_WM_STATE_HIDDEN).
1303 // So we also check for the property later in MapNotify. See 6480534.
1304 isUnhiding |= isWMStateNetHidden();
1305
1306 synchronized (getStateLock()) {
1307 if (isMapped) {
1308 isMapped = false;
1309 }
1310 }
1311 }
1312
1313 private boolean shouldFocusOnMapNotify() {
1314 boolean res = false;
1315
1316 if (isBeforeFirstMapNotify) {
1317 res = (winAttr.initialFocus || // Window.autoRequestFocus
1318 isFocusedWindowModalBlocker());
1319 } else {
1320 res = isUnhiding; // Unhiding
1321 }
1322 res = res &&
1323 isFocusableWindow() && // General focusability
1324 !isModalBlocked(); // Modality
1325
1326 return res;
1327 }
1328
1329 protected boolean isWMStateNetHidden() {
1330 XNETProtocol protocol = XWM.getWM().getNETProtocol();
1331 return (protocol != null && protocol.isWMStateNetHidden(this));
1332 }
1333
1334 protected void requestInitialFocus() {
1335 requestXFocus();
1336 }
1337
1338 public void addToplevelStateListener(ToplevelStateListener l){
1339 toplevelStateListeners.add(l);
1340 }
1341
1342 public void removeToplevelStateListener(ToplevelStateListener l){
1343 toplevelStateListeners.remove(l);
1344 }
1345
1346 /**
1347 * Override this methods to get notifications when top-level window state changes. The state is
1348 * meant in terms of ICCCM: WithdrawnState, IconicState, NormalState
1349 */
1350 @Override
1351 protected void stateChanged(long time, int oldState, int newState) {
1352 // Fix for 6401700, 6412803
1353 // If this window is modal blocked, it is put into the transient_for
1354 // chain using prevTransientFor and nextTransientFor hints. However,
1355 // the real WM_TRANSIENT_FOR hint shouldn't be set for windows in
1356 // different WM states (except for owner-window relationship), so
1357 // if the window changes its state, its real WM_TRANSIENT_FOR hint
1358 // should be updated accordingly.
1359 updateTransientFor();
1360
1361 for (ToplevelStateListener topLevelListenerTmp : toplevelStateListeners) {
1362 topLevelListenerTmp.stateChangedICCCM(oldState, newState);
1363 }
1364
1365 updateSecurityWarningVisibility();
1366 }
1367
1368 boolean isWithdrawn() {
1369 return getWMState() == XUtilConstants.WithdrawnState;
1370 }
1371
1372 boolean hasDecorations(int decor) {
1373 if (!winAttr.nativeDecor) {
1374 return false;
1375 }
1376 else {
1377 int myDecor = winAttr.decorations;
1378 boolean hasBits = ((myDecor & decor) == decor);
1379 if ((myDecor & XWindowAttributesData.AWT_DECOR_ALL) != 0)
1380 return !hasBits;
1381 else
1382 return hasBits;
1383 }
1384 }
1385
1386 void setReparented(boolean newValue) {
1387 super.setReparented(newValue);
1388 XToolkit.awtLock();
1389 try {
1390 if (isReparented() && delayedModalBlocking) {
1391 addToTransientFors((XDialogPeer) ComponentAccessor.getPeer(modalBlocker));
1392 delayedModalBlocking = false;
1393 }
1394 } finally {
1395 XToolkit.awtUnlock();
1396 }
1397 }
1398
1399 /*
1400 * Returns a Vector of all Java top-level windows,
1401 * sorted by their current Z-order
1402 */
1403 static Vector<XWindowPeer> collectJavaToplevels() {
1404 Vector<XWindowPeer> javaToplevels = new Vector<XWindowPeer>();
1405 Vector<Long> v = new Vector<Long>();
1406 X11GraphicsEnvironment ge =
1407 (X11GraphicsEnvironment)GraphicsEnvironment.getLocalGraphicsEnvironment();
1408 GraphicsDevice[] gds = ge.getScreenDevices();
1409 if (!ge.runningXinerama() && (gds.length > 1)) {
1410 for (GraphicsDevice gd : gds) {
1411 int screen = ((X11GraphicsDevice)gd).getScreen();
1412 long rootWindow = XlibWrapper.RootWindow(XToolkit.getDisplay(), screen);
1413 v.add(rootWindow);
1414 }
1415 } else {
1416 v.add(XToolkit.getDefaultRootWindow());
1417 }
1418 final int windowsCount = windows.size();
1419 while ((v.size() > 0) && (javaToplevels.size() < windowsCount)) {
1420 long win = v.remove(0);
1421 XQueryTree qt = new XQueryTree(win);
1422 try {
1423 if (qt.execute() != 0) {
1424 int nchildren = qt.get_nchildren();
1425 long children = qt.get_children();
1426 // XQueryTree returns window children ordered by z-order
1427 for (int i = 0; i < nchildren; i++) {
1428 long child = Native.getWindow(children, i);
1429 XBaseWindow childWindow = XToolkit.windowToXWindow(child);
1430 // filter out Java non-toplevels
1431 if ((childWindow != null) && !(childWindow instanceof XWindowPeer)) {
1432 continue;
1433 } else {
1434 v.add(child);
1435 }
1436 if (childWindow instanceof XWindowPeer) {
1437 XWindowPeer np = (XWindowPeer)childWindow;
1438 javaToplevels.add(np);
1439 // XQueryTree returns windows sorted by their z-order. However,
1440 // if WM has not handled transient for hint for a child window,
1441 // it may appear in javaToplevels before its owner. Move such
1442 // children after their owners.
1443 int k = 0;
1444 XWindowPeer toCheck = javaToplevels.get(k);
1445 while (toCheck != np) {
1446 XWindowPeer toCheckOwnerPeer = toCheck.getOwnerPeer();
1447 if (toCheckOwnerPeer == np) {
1448 javaToplevels.remove(k);
1449 javaToplevels.add(toCheck);
1450 } else {
1451 k++;
1452 }
1453 toCheck = javaToplevels.get(k);
1454 }
1455 }
1456 }
1457 }
1458 } finally {
1459 qt.dispose();
1460 }
1461 }
1462 return javaToplevels;
1463 }
1464
1465 public void setModalBlocked(Dialog d, boolean blocked) {
1466 setModalBlocked(d, blocked, null);
1467 }
1468 public void setModalBlocked(Dialog d, boolean blocked,
1469 Vector<XWindowPeer> javaToplevels)
1470 {
1471 XToolkit.awtLock();
1472 try {
1473 // State lock should always be after awtLock
1474 synchronized(getStateLock()) {
1475 XDialogPeer blockerPeer = (XDialogPeer) ComponentAccessor.getPeer(d);
1476 if (blocked) {
1477 log.fine("{0} is blocked by {1}", this, blockerPeer);
1478 modalBlocker = d;
1479
1480 if (isReparented() || XWM.isNonReparentingWM()) {
1481 addToTransientFors(blockerPeer, javaToplevels);
1482 } else {
1483 delayedModalBlocking = true;
1484 }
1485 } else {
1486 if (d != modalBlocker) {
1487 throw new IllegalStateException("Trying to unblock window blocked by another dialog");
1488 }
1489 modalBlocker = null;
1490
1491 if (isReparented() || XWM.isNonReparentingWM()) {
1492 removeFromTransientFors();
1493 } else {
1494 delayedModalBlocking = false;
1495 }
1496 }
1497
1498 updateTransientFor();
1499 }
1500 } finally {
1501 XToolkit.awtUnlock();
1502 }
1503 }
1504
1505 /*
1506 * Sets the TRANSIENT_FOR hint to the given top-level window. This
1507 * method is used when a window is modal blocked/unblocked or
1508 * changed its state from/to NormalState to/from other states.
1509 * If window or transientForWindow are embedded frames, the containing
1510 * top-level windows are used.
1511 *
1512 * @param window specifies the top-level window that the hint
1513 * is to be set to
1514 * @param transientForWindow the top-level window
1515 * @param updateChain specifies if next/prevTransientFor fields are
1516 * to be updated
1517 * @param allStates if set to <code>true</code> then TRANSIENT_FOR hint
1518 * is set regardless of the state of window and transientForWindow,
1519 * otherwise it is set only if both are in the same state
1520 */
1521 static void setToplevelTransientFor(XWindowPeer window, XWindowPeer transientForWindow,
1522 boolean updateChain, boolean allStates)
1523 {
1524 if ((window == null) || (transientForWindow == null)) {
1525 return;
1526 }
1527 if (updateChain) {
1528 window.prevTransientFor = transientForWindow;
1529 transientForWindow.nextTransientFor = window;
1530 }
1531 if (window.curRealTransientFor == transientForWindow) {
1532 return;
1533 }
1534 if (!allStates && (window.getWMState() != transientForWindow.getWMState())) {
1535 return;
1536 }
1537 if (window.getScreenNumber() != transientForWindow.getScreenNumber()) {
1538 return;
1539 }
1540 long bpw = window.getWindow();
1541 while (!XlibUtil.isToplevelWindow(bpw) && !XlibUtil.isXAWTToplevelWindow(bpw)) {
1542 bpw = XlibUtil.getParentWindow(bpw);
1543 }
1544 long tpw = transientForWindow.getWindow();
1545 while (!XlibUtil.isToplevelWindow(tpw) && !XlibUtil.isXAWTToplevelWindow(tpw)) {
1546 tpw = XlibUtil.getParentWindow(tpw);
1547 }
1548 XlibWrapper.XSetTransientFor(XToolkit.getDisplay(), bpw, tpw);
1549 window.curRealTransientFor = transientForWindow;
1550 }
1551
1552 /*
1553 * This method does nothing if this window is not blocked by any modal dialog.
1554 * For modal blocked windows this method looks up for the nearest
1555 * prevTransiendFor window that is in the same state (Normal/Iconified/Withdrawn)
1556 * as this one and makes this window transient for it. The same operation is
1557 * performed for nextTransientFor window.
1558 * Values of prevTransientFor and nextTransientFor fields are not changed.
1559 */
1560 void updateTransientFor() {
1561 int state = getWMState();
1562 XWindowPeer p = prevTransientFor;
1563 while ((p != null) && ((p.getWMState() != state) || (p.getScreenNumber() != getScreenNumber()))) {
1564 p = p.prevTransientFor;
1565 }
1566 if (p != null) {
1567 setToplevelTransientFor(this, p, false, false);
1568 } else {
1569 restoreTransientFor(this);
1570 }
1571 XWindowPeer n = nextTransientFor;
1572 while ((n != null) && ((n.getWMState() != state) || (n.getScreenNumber() != getScreenNumber()))) {
1573 n = n.nextTransientFor;
1574 }
1575 if (n != null) {
1576 setToplevelTransientFor(n, this, false, false);
1577 }
1578 }
1579
1580 /*
1581 * Removes the TRANSIENT_FOR hint from the given top-level window.
1582 * If window or transientForWindow are embedded frames, the containing
1583 * top-level windows are used.
1584 *
1585 * @param window specifies the top-level window that the hint
1586 * is to be removed from
1587 */
1588 private static void removeTransientForHint(XWindowPeer window) {
1589 XAtom XA_WM_TRANSIENT_FOR = XAtom.get(XAtom.XA_WM_TRANSIENT_FOR);
1590 long bpw = window.getWindow();
1591 while (!XlibUtil.isToplevelWindow(bpw) && !XlibUtil.isXAWTToplevelWindow(bpw)) {
1592 bpw = XlibUtil.getParentWindow(bpw);
1593 }
1594 XlibWrapper.XDeleteProperty(XToolkit.getDisplay(), bpw, XA_WM_TRANSIENT_FOR.getAtom());
1595 window.curRealTransientFor = null;
1596 }
1597
1598 /*
1599 * When a modal dialog is shown, all its blocked windows are lined up into
1600 * a chain in such a way that each window is a transient_for window for
1601 * the next one. That allows us to keep the modal dialog above all its
1602 * blocked windows (even if there are some another modal dialogs between
1603 * them).
1604 * This method adds this top-level window to the chain of the given modal
1605 * dialog. To keep the current relative z-order, we should use the
1606 * XQueryTree to find the place to insert this window to. As each window
1607 * can be blocked by only one modal dialog (such checks are performed in
1608 * shared code), both this and blockerPeer are on the top of their chains
1609 * (chains may be empty).
1610 * If this window is a modal dialog and has its own chain, these chains are
1611 * merged according to the current z-order (XQueryTree is used again).
1612 * Below are some simple examples (z-order is from left to right, -- is
1613 * modal blocking).
1614 *
1615 * Example 0:
1616 * T (current chain of this, no windows are blocked by this)
1617 * W1---B (current chain of blockerPeer, W2 is blocked by blockerPeer)
1618 * Result is:
1619 * W1-T-B (merged chain, all the windows are blocked by blockerPeer)
1620 *
1621 * Example 1:
1622 * W1-T (current chain of this, W1 is blocked by this)
1623 * W2-B (current chain of blockerPeer, W2 is blocked by blockerPeer)
1624 * Result is:
1625 * W1-T-W2-B (merged chain, all the windows are blocked by blockerPeer)
1626 *
1627 * Example 2:
1628 * W1----T (current chain of this, W1 is blocked by this)
1629 * W2---B (current chain of blockerPeer, W2 is blocked by blockerPeer)
1630 * Result is:
1631 * W1-W2-T-B (merged chain, all the windows are blocked by blockerPeer)
1632 *
1633 * This method should be called under the AWT lock.
1634 *
1635 * @see #removeFromTransientFors
1636 * @see #setModalBlocked
1637 */
1638 private void addToTransientFors(XDialogPeer blockerPeer) {
1639 addToTransientFors(blockerPeer, null);
1640 }
1641
1642 private void addToTransientFors(XDialogPeer blockerPeer, Vector<XWindowPeer> javaToplevels)
1643 {
1644 // blockerPeer chain iterator
1645 XWindowPeer blockerChain = blockerPeer;
1646 while (blockerChain.prevTransientFor != null) {
1647 blockerChain = blockerChain.prevTransientFor;
1648 }
1649 // this window chain iterator
1650 // each window can be blocked no more than once, so this window
1651 // is on top of its chain
1652 XWindowPeer thisChain = this;
1653 while (thisChain.prevTransientFor != null) {
1654 thisChain = thisChain.prevTransientFor;
1655 }
1656 // if there are no windows blocked by modalBlocker, simply add this window
1657 // and its chain to blocker's chain
1658 if (blockerChain == blockerPeer) {
1659 setToplevelTransientFor(blockerPeer, this, true, false);
1660 } else {
1661 // Collect all the Java top-levels, if required
1662 if (javaToplevels == null) {
1663 javaToplevels = collectJavaToplevels();
1664 }
1665 // merged chain tail
1666 XWindowPeer mergedChain = null;
1667 for (XWindowPeer w : javaToplevels) {
1668 XWindowPeer prevMergedChain = mergedChain;
1669 if (w == thisChain) {
1670 if (thisChain == this) {
1671 if (prevMergedChain != null) {
1672 setToplevelTransientFor(this, prevMergedChain, true, false);
1673 }
1674 setToplevelTransientFor(blockerChain, this, true, false);
1675 break;
1676 } else {
1677 mergedChain = thisChain;
1678 thisChain = thisChain.nextTransientFor;
1679 }
1680 } else if (w == blockerChain) {
1681 mergedChain = blockerChain;
1682 blockerChain = blockerChain.nextTransientFor;
1683 } else {
1684 continue;
1685 }
1686 if (prevMergedChain == null) {
1687 mergedChain.prevTransientFor = null;
1688 } else {
1689 setToplevelTransientFor(mergedChain, prevMergedChain, true, false);
1690 mergedChain.updateTransientFor();
1691 }
1692 if (blockerChain == blockerPeer) {
1693 setToplevelTransientFor(thisChain, mergedChain, true, false);
1694 setToplevelTransientFor(blockerChain, this, true, false);
1695 break;
1696 }
1697 }
1698 }
1699
1700 XToolkit.XSync();
1701 }
1702
1703 static void restoreTransientFor(XWindowPeer window) {
1704 XWindowPeer ownerPeer = window.getOwnerPeer();
1705 if (ownerPeer != null) {
1706 setToplevelTransientFor(window, ownerPeer, false, true);
1707 } else {
1708 removeTransientForHint(window);
1709 }
1710 }
1711
1712 /*
1713 * When a window is modally unblocked, it should be removed from its blocker
1714 * chain, see {@link #addToTransientFor addToTransientFors} method for the
1715 * chain definition.
1716 * The problem is that we cannot simply restore window's original
1717 * TRANSIENT_FOR hint (if any) and link prevTransientFor and
1718 * nextTransientFor together as the whole chain could be created as a merge
1719 * of two other chains in addToTransientFors. In that case, if this window is
1720 * a modal dialog, it would lost all its own chain, if we simply exclude it
1721 * from the chain.
1722 * The correct behaviour of this method should be to split the chain, this
1723 * window is currently in, into two chains. First chain is this window own
1724 * chain (i. e. all the windows blocked by this one, directly or indirectly),
1725 * if any, and the rest windows from the current chain.
1726 *
1727 * Example:
1728 * Original state:
1729 * W1-B1 (window W1 is blocked by B1)
1730 * W2-B2 (window W2 is blocked by B2)
1731 * B3 is shown and blocks B1 and B2:
1732 * W1-W2-B1-B2-B3 (a single chain after B1.addToTransientFors() and B2.addToTransientFors())
1733 * If we then unblock B1, the state should be:
1734 * W1-B1 (window W1 is blocked by B1)
1735 * W2-B2-B3 (window W2 is blocked by B2 and B2 is blocked by B3)
1736 *
1737 * This method should be called under the AWT lock.
1738 *
1739 * @see #addToTransientFors
1740 * @see #setModalBlocked
1741 */
1742 private void removeFromTransientFors() {
1743 // the head of the chain of this window
1744 XWindowPeer thisChain = this;
1745 // the head of the current chain
1746 // nextTransientFor is always not null as this window is in the chain
1747 XWindowPeer otherChain = nextTransientFor;
1748 // the set of blockers in this chain: if this dialog blocks some other
1749 // modal dialogs, their blocked windows should stay in this dialog's chain
1750 Set<XWindowPeer> thisChainBlockers = new HashSet<XWindowPeer>();
1751 thisChainBlockers.add(this);
1752 // current chain iterator in the order from next to prev
1753 XWindowPeer chainToSplit = prevTransientFor;
1754 while (chainToSplit != null) {
1755 XWindowPeer blocker = (XWindowPeer) ComponentAccessor.getPeer(chainToSplit.modalBlocker);
1756 if (thisChainBlockers.contains(blocker)) {
1757 // add to this dialog's chain
1758 setToplevelTransientFor(thisChain, chainToSplit, true, false);
1759 thisChain = chainToSplit;
1760 thisChainBlockers.add(chainToSplit);
1761 } else {
1762 // leave in the current chain
1763 setToplevelTransientFor(otherChain, chainToSplit, true, false);
1764 otherChain = chainToSplit;
1765 }
1766 chainToSplit = chainToSplit.prevTransientFor;
1767 }
1768 restoreTransientFor(thisChain);
1769 thisChain.prevTransientFor = null;
1770 restoreTransientFor(otherChain);
1771 otherChain.prevTransientFor = null;
1772 nextTransientFor = null;
1773
1774 XToolkit.XSync();
1775 }
1776
1777 boolean isModalBlocked() {
1778 return modalBlocker != null;
1779 }
1780
1781 static Window getDecoratedOwner(Window window) {
1782 while ((null != window) && !(window instanceof Frame || window instanceof Dialog)) {
1783 window = (Window) ComponentAccessor.getParent_NoClientCode(window);
1784 }
1785 return window;
1786 }
1787
1788 public boolean requestWindowFocus(XWindowPeer actualFocusedWindow) {
1789 setActualFocusedWindow(actualFocusedWindow);
1790 return requestWindowFocus();
1791 }
1792
1793 public boolean requestWindowFocus() {
1794 return requestWindowFocus(0, false);
1795 }
1796
1797 public boolean requestWindowFocus(long time, boolean timeProvided) {
1798 focusLog.fine("Request for window focus");
1799 // If this is Frame or Dialog we can't assure focus request success - but we still can try
1800 // If this is Window and its owner Frame is active we can be sure request succedded.
1801 Window ownerWindow = XWindowPeer.getDecoratedOwner((Window)target);
1802 Window focusedWindow = XKeyboardFocusManagerPeer.getCurrentNativeFocusedWindow();
1803 Window activeWindow = XWindowPeer.getDecoratedOwner(focusedWindow);
1804
1805 if (isWMStateNetHidden()) {
1806 focusLog.fine("The window is unmapped, so rejecting the request");
1807 return false;
1808 }
1809 if (activeWindow == ownerWindow) {
1810 focusLog.fine("Parent window is active - generating focus for this window");
1811 handleWindowFocusInSync(-1);
1812 return true;
1813 }
1814 focusLog.fine("Parent window is not active");
1815
1816 XDecoratedPeer wpeer = (XDecoratedPeer)ComponentAccessor.getPeer(ownerWindow);
1817 if (wpeer != null && wpeer.requestWindowFocus(this, time, timeProvided)) {
1818 focusLog.fine("Parent window accepted focus request - generating focus for this window");
1819 return true;
1820 }
1821 focusLog.fine("Denied - parent window is not active and didn't accept focus request");
1822 return false;
1823 }
1824
1825 // This method is to be overriden in XDecoratedPeer.
1826 void setActualFocusedWindow(XWindowPeer actualFocusedWindow) {
1827 }
1828
1829 public void xSetVisible(boolean visible) {
1830 if (log.isLoggable(PlatformLogger.FINE)) log.fine("Setting visible on " + this + " to " + visible);
1831 XToolkit.awtLock();
1832 try {
1833 this.visible = visible;
1834 if (visible) {
1835 XlibWrapper.XMapRaised(XToolkit.getDisplay(), getWindow());
1836 } else {
1837 XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), getWindow());
1838 }
1839 XlibWrapper.XFlush(XToolkit.getDisplay());
1840 }
1841 finally {
1842 XToolkit.awtUnlock();
1843 }
1844 }
1845
1846 // should be synchronized on awtLock
1847 private int dropTargetCount = 0;
1848
1849 public void addDropTarget() {
1850 XToolkit.awtLock();
1851 try {
1852 if (dropTargetCount == 0) {
1853 long window = getWindow();
1854 if (window != 0) {
1855 XDropTargetRegistry.getRegistry().registerDropSite(window);
1856 }
1857 }
1858 dropTargetCount++;
1859 } finally {
1860 XToolkit.awtUnlock();
1861 }
1862 }
1863
1864 public void removeDropTarget() {
1865 XToolkit.awtLock();
1866 try {
1867 dropTargetCount--;
1868 if (dropTargetCount == 0) {
1869 long window = getWindow();
1870 if (window != 0) {
1871 XDropTargetRegistry.getRegistry().unregisterDropSite(window);
1872 }
1873 }
1874 } finally {
1875 XToolkit.awtUnlock();
1876 }
1877 }
1878 void addRootPropertyEventDispatcher() {
1879 if( rootPropertyEventDispatcher == null ) {
1880 rootPropertyEventDispatcher = new XEventDispatcher() {
1881 public void dispatchEvent(XEvent ev) {
1882 if( ev.get_type() == XConstants.PropertyNotify ) {
1883 handleRootPropertyNotify( ev );
1884 }
1885 }
1886 };
1887 XlibWrapper.XSelectInput( XToolkit.getDisplay(),
1888 XToolkit.getDefaultRootWindow(),
1889 XConstants.PropertyChangeMask);
1890 XToolkit.addEventDispatcher(XToolkit.getDefaultRootWindow(),
1891 rootPropertyEventDispatcher);
1892 }
1893 }
1894 void removeRootPropertyEventDispatcher() {
1895 if( rootPropertyEventDispatcher != null ) {
1896 XToolkit.removeEventDispatcher(XToolkit.getDefaultRootWindow(),
1897 rootPropertyEventDispatcher);
1898 rootPropertyEventDispatcher = null;
1899 }
1900 }
1901 public void updateFocusableWindowState() {
1902 cachedFocusableWindow = isFocusableWindow();
1903 }
1904
1905 XAtom XA_NET_WM_STATE;
1906 XAtomList net_wm_state;
1907 public XAtomList getNETWMState() {
1908 if (net_wm_state == null) {
1909 net_wm_state = XA_NET_WM_STATE.getAtomListPropertyList(this);
1910 }
1911 return net_wm_state;
1912 }
1913
1914 public void setNETWMState(XAtomList state) {
1915 net_wm_state = state;
1916 if (state != null) {
1917 XA_NET_WM_STATE.setAtomListProperty(this, state);
1918 }
1919 }
1920
1921 public PropMwmHints getMWMHints() {
1922 if (mwm_hints == null) {
1923 mwm_hints = new PropMwmHints();
1924 if (!XWM.XA_MWM_HINTS.getAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS)) {
1925 mwm_hints.zero();
1926 }
1927 }
1928 return mwm_hints;
1929 }
1930
1931 public void setMWMHints(PropMwmHints hints) {
1932 mwm_hints = hints;
1933 if (hints != null) {
1934 XWM.XA_MWM_HINTS.setAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS);
1935 }
1936 }
1937
1938 protected void updateDropTarget() {
1939 XToolkit.awtLock();
1940 try {
1941 if (dropTargetCount > 0) {
1942 long window = getWindow();
1943 if (window != 0) {
1944 XDropTargetRegistry.getRegistry().unregisterDropSite(window);
1945 XDropTargetRegistry.getRegistry().registerDropSite(window);
1946 }
1947 }
1948 } finally {
1949 XToolkit.awtUnlock();
1950 }
1951 }
1952
1953 public void setGrab(boolean grab) {
1954 this.grab = grab;
1955 if (grab) {
1956 pressTarget = this;
1957 grabInput();
1958 } else {
1959 ungrabInput();
1960 }
1961 }
1962
1963 public boolean isGrabbed() {
1964 return grab && XAwtState.getGrabWindow() == this;
1965 }
1966
1967 public void handleXCrossingEvent(XEvent xev) {
1968 XCrossingEvent xce = xev.get_xcrossing();
1969 if (grabLog.isLoggable(PlatformLogger.FINE)) {
1970 grabLog.fine("{0}, when grabbed {1}, contains {2}",
1971 xce, isGrabbed(), containsGlobal(xce.get_x_root(), xce.get_y_root()));
1972 }
1973 if (isGrabbed()) {
1974 // When window is grabbed, all events are dispatched to
1975 // it. Retarget them to the corresponding windows (notice
1976 // that XBaseWindow.dispatchEvent does the opposite
1977 // translation)
1978 // Note that we need to retarget XCrossingEvents to content window
1979 // since it generates MOUSE_ENTERED/MOUSE_EXITED for frame and dialog.
1980 // (fix for 6390326)
1981 XBaseWindow target = XToolkit.windowToXWindow(xce.get_window());
1982 grabLog.finer(" - Grab event target {0}", target);
1983 if (target != null && target != this) {
1984 target.dispatchEvent(xev);
1985 return;
1986 }
1987 }
1988 super.handleXCrossingEvent(xev);
1989 }
1990
1991 public void handleMotionNotify(XEvent xev) {
1992 XMotionEvent xme = xev.get_xmotion();
1993 if (grabLog.isLoggable(PlatformLogger.FINE)) {
1994 grabLog.finer("{0}, when grabbed {1}, contains {2}",
1995 xme, isGrabbed(), containsGlobal(xme.get_x_root(), xme.get_y_root()));
1996 }
1997 if (isGrabbed()) {
1998 boolean dragging = false;
1999 final int buttonsNumber = ((SunToolkit)(Toolkit.getDefaultToolkit())).getNumberOfButtons();
2000
2001 for (int i = 0; i < buttonsNumber; i++){
2002 // here is the bug in WM: extra buttons doesn't have state!=0 as they should.
2003 if ((i != 4) && (i != 5)){
2004 dragging = dragging || ((xme.get_state() & XConstants.buttonsMask[i]) != 0);
2005 }
2006 }
2007 // When window is grabbed, all events are dispatched to
2008 // it. Retarget them to the corresponding windows (notice
2009 // that XBaseWindow.dispatchEvent does the opposite
2010 // translation)
2011 XBaseWindow target = XToolkit.windowToXWindow(xme.get_window());
2012 if (dragging && pressTarget != target) {
2013 // for some reasons if we grab input MotionNotify for drag is reported with target
2014 // to underlying window, not to window on which we have initiated drag
2015 // so we need to retarget them. Here I use simplified logic which retarget all
2016 // such events to source of mouse press (or the grabber). It helps with fix for 6390326.
2017 // So, I do not want to implement complicated logic for better retargeting.
2018 target = pressTarget.isVisible() ? pressTarget : this;
2019 xme.set_window(target.getWindow());
2020 Point localCoord = target.toLocal(xme.get_x_root(), xme.get_y_root());
2021 xme.set_x(localCoord.x);
2022 xme.set_y(localCoord.y);
2023 }
2024 grabLog.finer(" - Grab event target {0}", target);
2025 if (target != null) {
2026 if (target != getContentXWindow() && target != this) {
2027 target.dispatchEvent(xev);
2028 return;
2029 }
2030 }
2031
2032 // note that we need to pass dragging events to the grabber (6390326)
2033 // see comment above for more inforamtion.
2034 if (!containsGlobal(xme.get_x_root(), xme.get_y_root()) && !dragging) {
2035 // Outside of Java
2036 return;
2037 }
2038 }
2039 super.handleMotionNotify(xev);
2040 }
2041
2042 // we use it to retarget mouse drag and mouse release during grab.
2043 private XBaseWindow pressTarget = this;
2044
2045 public void handleButtonPressRelease(XEvent xev) {
2046 XButtonEvent xbe = xev.get_xbutton();
2047
2048 /*
2049 * Ignore the buttons above 20 due to the bit limit for
2050 * InputEvent.BUTTON_DOWN_MASK.
2051 * One more bit is reserved for FIRST_HIGH_BIT.
2052 */
2053 if (xbe.get_button() > SunToolkit.MAX_BUTTONS_SUPPORTED) {
2054 return;
2055 }
2056 if (grabLog.isLoggable(PlatformLogger.FINE)) {
2057 grabLog.fine("{0}, when grabbed {1}, contains {2} ({3}, {4}, {5}x{6})",
2058 xbe, isGrabbed(), containsGlobal(xbe.get_x_root(), xbe.get_y_root()), getAbsoluteX(), getAbsoluteY(), getWidth(), getHeight());
2059 }
2060 if (isGrabbed()) {
2061 // When window is grabbed, all events are dispatched to
2062 // it. Retarget them to the corresponding windows (notice
2063 // that XBaseWindow.dispatchEvent does the opposite
2064 // translation)
2065 XBaseWindow target = XToolkit.windowToXWindow(xbe.get_window());
2066 try {
2067 grabLog.finer(" - Grab event target {0} (press target {1})", target, pressTarget);
2068 if (xbe.get_type() == XConstants.ButtonPress
2069 && xbe.get_button() == XConstants.buttons[0])
2070 {
2071 // need to keep it to retarget mouse release
2072 pressTarget = target;
2073 } else if (xbe.get_type() == XConstants.ButtonRelease
2074 && xbe.get_button() == XConstants.buttons[0]
2075 && pressTarget != target)
2076 {
2077 // during grab we do receive mouse release on different component (not on the source
2078 // of mouse press). So we need to retarget it.
2079 // see 6390326 for more information.
2080 target = pressTarget.isVisible() ? pressTarget : this;
2081 xbe.set_window(target.getWindow());
2082 Point localCoord = target.toLocal(xbe.get_x_root(), xbe.get_y_root());
2083 xbe.set_x(localCoord.x);
2084 xbe.set_y(localCoord.y);
2085 pressTarget = this;
2086 }
2087 if (target != null && target != getContentXWindow() && target != this) {
2088 target.dispatchEvent(xev);
2089 return;
2090 }
2091 } finally {
2092 if (target != null) {
2093 // Target is either us or our content window -
2094 // check that event is inside. 'Us' in case of
2095 // shell will mean that this will also filter out press on title
2096 if ((target == this || target == getContentXWindow()) && !containsGlobal(xbe.get_x_root(), xbe.get_y_root())) {
2097 // Outside this toplevel hierarchy
2098 // According to the specification of UngrabEvent, post it
2099 // when press occurs outside of the window and not on its owned windows
2100 grabLog.fine("Generating UngrabEvent on {0} because not inside of shell", this);
2101 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2102 return;
2103 }
2104 // First, get the toplevel
2105 XWindowPeer toplevel = target.getToplevelXWindow();
2106 if (toplevel != null) {
2107 Window w = (Window)toplevel.target;
2108 while (w != null && toplevel != this && !(toplevel instanceof XDialogPeer)) {
2109 w = (Window) ComponentAccessor.getParent_NoClientCode(w);
2110 if (w != null) {
2111 toplevel = (XWindowPeer) ComponentAccessor.getPeer(w);
2112 }
2113 }
2114 if (w == null || (w != this.target && w instanceof Dialog)) {
2115 // toplevel == null - outside of
2116 // hierarchy, toplevel is Dialog - should
2117 // send ungrab (but shouldn't for Window)
2118 grabLog.fine("Generating UngrabEvent on {0} because hierarchy ended", this);
2119 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2120 }
2121 } else {
2122 // toplevel is null - outside of hierarchy
2123 grabLog.fine("Generating UngrabEvent on {0} because toplevel is null", this);
2124 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2125 return;
2126 }
2127 } else {
2128 // target doesn't map to XAWT window - outside of hierarchy
2129 grabLog.fine("Generating UngrabEvent on because target is null {0}", this);
2130 postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
2131 return;
2132 }
2133 }
2134 }
2135 super.handleButtonPressRelease(xev);
2136 }
2137
2138 public void print(Graphics g) {
2139 // We assume we print the whole frame,
2140 // so we expect no clip was set previously
2141 Shape shape = AWTAccessor.getWindowAccessor().getShape((Window)target);
2142 if (shape != null) {
2143 g.setClip(shape);
2144 }
2145 super.print(g);
2146 }
2147
2148 @Override
2149 public void setOpacity(float opacity) {
2150 final long maxOpacity = 0xffffffffl;
2151 long iOpacity = (long)(opacity * maxOpacity);
2152 if (iOpacity < 0) {
2153 iOpacity = 0;
2154 }
2155 if (iOpacity > maxOpacity) {
2156 iOpacity = maxOpacity;
2157 }
2158
2159 XAtom netWmWindowOpacityAtom = XAtom.get("_NET_WM_WINDOW_OPACITY");
2160
2161 if (iOpacity == maxOpacity) {
2162 netWmWindowOpacityAtom.DeleteProperty(getWindow());
2163 } else {
2164 netWmWindowOpacityAtom.setCard32Property(getWindow(), iOpacity);
2165 }
2166 }
2167
2168 @Override
2169 public void setOpaque(boolean isOpaque) {
2170 // no-op
2171 }
2172
2173 @Override
2174 public void updateWindow() {
2175 // no-op
2176 }
2177 }