1 /*
2 * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.awt.X11;
27
28 import java.awt.AWTError;
29 import java.awt.AWTException;
30 import java.awt.Button;
31 import java.awt.Canvas;
32 import java.awt.Checkbox;
33 import java.awt.CheckboxMenuItem;
34 import java.awt.Choice;
35 import java.awt.Color;
36 import java.awt.Component;
37 import java.awt.Cursor;
38 import java.awt.Desktop;
39 import java.awt.Dialog;
40 import java.awt.Dimension;
41 import java.awt.EventQueue;
42 import java.awt.FileDialog;
43 import java.awt.Frame;
44 import java.awt.GraphicsConfiguration;
45 import java.awt.GraphicsDevice;
46 import java.awt.GraphicsEnvironment;
47 import java.awt.HeadlessException;
48 import java.awt.Image;
49 import java.awt.Insets;
50 import java.awt.JobAttributes;
51 import java.awt.Label;
52 import java.awt.Menu;
53 import java.awt.MenuBar;
54 import java.awt.MenuItem;
55 import java.awt.PageAttributes;
56 import java.awt.Panel;
57 import java.awt.Point;
58 import java.awt.PopupMenu;
59 import java.awt.PrintJob;
60 import java.awt.Rectangle;
61 import java.awt.Robot;
62 import java.awt.ScrollPane;
63 import java.awt.Scrollbar;
64 import java.awt.SystemColor;
65 import java.awt.SystemTray;
66 import java.awt.Taskbar;
67 import java.awt.TextArea;
68 import java.awt.TextField;
69 import java.awt.Toolkit;
70 import java.awt.TrayIcon;
71 import java.awt.Window;
72 import java.awt.datatransfer.Clipboard;
73 import java.awt.dnd.DragGestureEvent;
74 import java.awt.dnd.DragGestureListener;
75 import java.awt.dnd.DragGestureRecognizer;
76 import java.awt.dnd.DragSource;
77 import java.awt.dnd.InvalidDnDOperationException;
78 import java.awt.dnd.MouseDragGestureRecognizer;
79 import java.awt.dnd.peer.DragSourceContextPeer;
80 import java.awt.event.InputEvent;
81 import java.awt.event.KeyEvent;
82 import java.awt.event.MouseEvent;
83 import java.awt.font.TextAttribute;
84 import java.awt.im.InputMethodHighlight;
85 import java.awt.im.spi.InputMethodDescriptor;
86 import java.awt.peer.ButtonPeer;
87 import java.awt.peer.CanvasPeer;
88 import java.awt.peer.CheckboxMenuItemPeer;
89 import java.awt.peer.CheckboxPeer;
90 import java.awt.peer.ChoicePeer;
91 import java.awt.peer.DesktopPeer;
92 import java.awt.peer.DialogPeer;
93 import java.awt.peer.FileDialogPeer;
94 import java.awt.peer.FontPeer;
95 import java.awt.peer.FramePeer;
96 import java.awt.peer.KeyboardFocusManagerPeer;
97 import java.awt.peer.LabelPeer;
98 import java.awt.peer.ListPeer;
99 import java.awt.peer.MenuBarPeer;
100 import java.awt.peer.MenuItemPeer;
101 import java.awt.peer.MenuPeer;
102 import java.awt.peer.MouseInfoPeer;
103 import java.awt.peer.PanelPeer;
104 import java.awt.peer.PopupMenuPeer;
105 import java.awt.peer.RobotPeer;
106 import java.awt.peer.ScrollPanePeer;
107 import java.awt.peer.ScrollbarPeer;
108 import java.awt.peer.SystemTrayPeer;
109 import java.awt.peer.TaskbarPeer;
110 import java.awt.peer.TextAreaPeer;
111 import java.awt.peer.TextFieldPeer;
112 import java.awt.peer.TrayIconPeer;
113 import java.awt.peer.WindowPeer;
114 import java.beans.PropertyChangeListener;
115 import java.security.AccessController;
116 import java.security.PrivilegedAction;
117 import java.util.ArrayList;
118 import java.util.Collection;
119 import java.util.HashMap;
120 import java.util.Iterator;
121 import java.util.LinkedList;
122 import java.util.Map;
123 import java.util.NoSuchElementException;
124 import java.util.Properties;
125 import java.util.Set;
126 import java.util.SortedMap;
127 import java.util.TreeMap;
128 import java.util.Vector;
129
130 import javax.swing.LookAndFeel;
131 import javax.swing.UIDefaults;
132
133 import sun.awt.AWTAccessor;
134 import sun.awt.AWTPermissions;
135 import sun.awt.AppContext;
136 import sun.awt.DisplayChangedListener;
137 import sun.awt.LightweightFrame;
138 import sun.awt.SunToolkit;
139 import sun.awt.UNIXToolkit;
140 import sun.awt.X11GraphicsConfig;
141 import sun.awt.X11GraphicsDevice;
142 import sun.awt.X11GraphicsEnvironment;
143 import sun.awt.XSettings;
144 import sun.awt.datatransfer.DataTransferer;
145 import sun.awt.util.PerformanceLogger;
146 import sun.awt.util.ThreadGroupUtils;
147 import sun.font.FontConfigManager;
148 import sun.java2d.SunGraphicsEnvironment;
149 import sun.print.PrintJob2D;
150 import sun.security.action.GetBooleanAction;
151 import sun.security.action.GetPropertyAction;
152 import sun.util.logging.PlatformLogger;
153
154 import static sun.awt.X11.XlibUtil.scaleDown;
155
156 public final class XToolkit extends UNIXToolkit implements Runnable {
157 private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XToolkit");
158 private static final PlatformLogger eventLog = PlatformLogger.getLogger("sun.awt.X11.event.XToolkit");
159 private static final PlatformLogger timeoutTaskLog = PlatformLogger.getLogger("sun.awt.X11.timeoutTask.XToolkit");
160 private static final PlatformLogger keyEventLog = PlatformLogger.getLogger("sun.awt.X11.kye.XToolkit");
161 private static final PlatformLogger backingStoreLog = PlatformLogger.getLogger("sun.awt.X11.backingStore.XToolkit");
162
163 //There is 400 ms is set by default on Windows and 500 by default on KDE and GNOME.
164 //We use the same hardcoded constant.
165 private static final int AWT_MULTICLICK_DEFAULT_TIME = 500;
166
167 static final boolean PRIMARY_LOOP = false;
168 static final boolean SECONDARY_LOOP = true;
169
170 private static String awtAppClassName = null;
171
172 // the system clipboard - CLIPBOARD selection
173 XClipboard clipboard;
174 // the system selection - PRIMARY selection
175 XClipboard selection;
176
177 // Dynamic Layout Resize client code setting
178 protected static boolean dynamicLayoutSetting = false;
179
180 //Is it allowed to generate events assigned to extra mouse buttons.
181 //Set to true by default.
182 private static boolean areExtraMouseButtonsEnabled = true;
183
184 /**
185 * True when the x settings have been loaded.
186 */
187 private boolean loadedXSettings;
188
189 /**
190 * XSETTINGS for the default screen.
191 * <p>
192 */
193 private XSettings xs;
194
195 private FontConfigManager fcManager = new FontConfigManager();
196
197 static int arrowCursor;
198 static TreeMap<Long, XBaseWindow> winMap = new TreeMap<>();
199 static HashMap<Object, Object> specialPeerMap = new HashMap<>();
200 static HashMap<Long, Collection<XEventDispatcher>> winToDispatcher = new HashMap<>();
201 static UIDefaults uidefaults;
202 static final X11GraphicsEnvironment localEnv;
203 private static final X11GraphicsDevice device;
204 private static final long display;
205 static int awt_multiclick_time;
206 static boolean securityWarningEnabled;
207
208 /**
209 * Dimensions of default virtual screen in pixels. These values are used to
210 * limit the maximum size of the window.
211 */
212 private static volatile int maxWindowWidthInPixels = -1;
213 private static volatile int maxWindowHeightInPixels = -1;
214
215 static long awt_defaultFg; // Pixel
216 private static XMouseInfoPeer xPeer;
217
218 /**
219 * Should we check "_NET_WM_STRUT/_NET_WM_STRUT_PARTIAL" during insets
220 * calculation.
221 */
222 private static Boolean checkSTRUT;
223
224 static {
225 initSecurityWarning();
226 if (GraphicsEnvironment.isHeadless()) {
227 localEnv = null;
228 device = null;
229 display = 0;
230 } else {
231 localEnv = (X11GraphicsEnvironment) GraphicsEnvironment
232 .getLocalGraphicsEnvironment();
233 device = (X11GraphicsDevice) localEnv.getDefaultScreenDevice();
234 display = device.getDisplay();
235 setupModifierMap();
236 initIDs();
237 setBackingStoreType();
238 }
239 }
240
241 /*
242 * Return (potentially) platform specific display timeout for the
243 * tray icon
244 */
245 static native long getTrayIconDisplayTimeout();
246
247 private static native void initIDs();
248 static native void waitForEvents(long nextTaskTime);
249 static Thread toolkitThread;
250 static boolean isToolkitThread() {
251 return Thread.currentThread() == toolkitThread;
252 }
253
254 static void initSecurityWarning() {
255 // Enable warning only for internal builds
256 String runtime = AccessController.doPrivileged(
257 new GetPropertyAction("java.runtime.version"));
258 securityWarningEnabled = (runtime != null && runtime.contains("internal"));
259 }
260
261 static boolean isSecurityWarningEnabled() {
262 return securityWarningEnabled;
263 }
264
265 static native void awt_output_flush();
266
267 static void awtFUnlock() {
268 awtUnlock();
269 awt_output_flush();
270 }
271
272
273 private native void nativeLoadSystemColors(int[] systemColors);
274
275 static UIDefaults getUIDefaults() {
276 if (uidefaults == null) {
277 initUIDefaults();
278 }
279 return uidefaults;
280 }
281
282 @Override
283 public void loadSystemColors(int[] systemColors) {
284 nativeLoadSystemColors(systemColors);
285 MotifColorUtilities.loadSystemColors(systemColors);
286 }
287
288
289
290 static void initUIDefaults() {
291 try {
292 // Load Defaults from MotifLookAndFeel
293
294 // This dummy load is necessary to get SystemColor initialized. !!!!!!
295 Color c = SystemColor.text;
296
297 LookAndFeel lnf = new XAWTLookAndFeel();
298 uidefaults = lnf.getDefaults();
299 }
300 catch (Exception e)
301 {
302 e.printStackTrace();
303 }
304 }
305
306 /**
307 * Returns the X11 Display of the default screen device.
308 *
309 * @return X11 Display
310 * @throws AWTError thrown if local GraphicsEnvironment is null, which
311 * means we are in the headless environment
312 */
313 public static long getDisplay() {
314 if (localEnv == null) {
315 throw new AWTError("Local GraphicsEnvironment must not be null");
316 }
317 return display;
318 }
319
320 public static long getDefaultRootWindow() {
321 awtLock();
322 try {
323 long res = XlibWrapper.RootWindow(XToolkit.getDisplay(),
324 XlibWrapper.DefaultScreen(XToolkit.getDisplay()));
325
326 if (res == 0) {
327 throw new IllegalStateException("Root window must not be null");
328 }
329 return res;
330 } finally {
331 awtUnlock();
332 }
333 }
334
335 void init() {
336 awtLock();
337 try {
338 XlibWrapper.XSupportsLocale();
339 if (XlibWrapper.XSetLocaleModifiers("") == null) {
340 log.finer("X locale modifiers are not supported, using default");
341 }
342 tryXKB();
343
344 AwtScreenData defaultScreen = new AwtScreenData(XToolkit.getDefaultScreenData());
345 awt_defaultFg = defaultScreen.get_blackpixel();
346
347 arrowCursor = XlibWrapper.XCreateFontCursor(XToolkit.getDisplay(),
348 XCursorFontConstants.XC_arrow);
349 final String extraButtons = "sun.awt.enableExtraMouseButtons";
350 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
351 areExtraMouseButtonsEnabled =
352 Boolean.parseBoolean(System.getProperty(extraButtons, "true"));
353 //set system property if not yet assigned
354 System.setProperty(extraButtons, ""+areExtraMouseButtonsEnabled);
355 return null;
356 });
357 // Detect display mode changes
358 XlibWrapper.XSelectInput(XToolkit.getDisplay(), XToolkit.getDefaultRootWindow(), XConstants.StructureNotifyMask);
359 XToolkit.addEventDispatcher(XToolkit.getDefaultRootWindow(), new XEventDispatcher() {
360 @Override
361 public void dispatchEvent(XEvent ev) {
362 if (ev.get_type() == XConstants.ConfigureNotify) {
363 awtUnlock();
364 try {
365 ((X11GraphicsEnvironment)GraphicsEnvironment.
366 getLocalGraphicsEnvironment()).
367 displayChanged();
368 } finally {
369 awtLock();
370 }
371 }
372 }
373 });
374 } finally {
375 awtUnlock();
376 }
377 PrivilegedAction<Void> a = () -> {
378 Runnable r = () -> {
379 XSystemTrayPeer peer = XSystemTrayPeer.getPeerInstance();
380 if (peer != null) {
381 peer.dispose();
382 }
383 if (xs != null) {
384 ((XAWTXSettings)xs).dispose();
385 }
386 freeXKB();
387 if (log.isLoggable(PlatformLogger.Level.FINE)) {
388 dumpPeers();
389 }
390 };
391 String name = "XToolkt-Shutdown-Thread";
392 Thread shutdownThread = new Thread(
393 ThreadGroupUtils.getRootThreadGroup(), r, name, 0, false);
394 shutdownThread.setContextClassLoader(null);
395 Runtime.getRuntime().addShutdownHook(shutdownThread);
396 return null;
397 };
398 AccessController.doPrivileged(a);
399 }
400
401 static String getCorrectXIDString(String val) {
402 if (val != null) {
403 return val.replace('.', '-');
404 } else {
405 return val;
406 }
407 }
408
409 static native String getEnv(String key);
410
411
412 static String getAWTAppClassName() {
413 return awtAppClassName;
414 }
415
416 public XToolkit() {
417 super();
418 if (PerformanceLogger.loggingEnabled()) {
419 PerformanceLogger.setTime("XToolkit construction");
420 }
421
422 if (!GraphicsEnvironment.isHeadless()) {
423 String mainClassName = null;
424
425 StackTraceElement[] trace = (new Throwable()).getStackTrace();
426 int bottom = trace.length - 1;
427 if (bottom >= 0) {
428 mainClassName = trace[bottom].getClassName();
429 }
430 if (mainClassName == null || mainClassName.equals("")) {
431 mainClassName = "AWT";
432 }
433 awtAppClassName = getCorrectXIDString(mainClassName);
434
435 init();
436 XWM.init();
437
438 toolkitThread = AccessController.doPrivileged((PrivilegedAction<Thread>) () -> {
439 String name = "AWT-XAWT";
440 Thread thread = new Thread(
441 ThreadGroupUtils.getRootThreadGroup(), this, name,
442 0, false);
443 thread.setContextClassLoader(null);
444 thread.setPriority(Thread.NORM_PRIORITY + 1);
445 thread.setDaemon(true);
446 return thread;
447 });
448 toolkitThread.start();
449 }
450 }
451
452 @Override
453 public ButtonPeer createButton(Button target) {
454 ButtonPeer peer = new XButtonPeer(target);
455 targetCreatedPeer(target, peer);
456 return peer;
457 }
458
459 @Override
460 public FramePeer createLightweightFrame(LightweightFrame target) {
461 FramePeer peer = new XLightweightFramePeer(target);
462 targetCreatedPeer(target, peer);
463 return peer;
464 }
465
466 @Override
467 public FramePeer createFrame(Frame target) {
468 FramePeer peer = new XFramePeer(target);
469 targetCreatedPeer(target, peer);
470 return peer;
471 }
472
473 static void addToWinMap(long window, XBaseWindow xwin)
474 {
475 synchronized(winMap) {
476 winMap.put(Long.valueOf(window),xwin);
477 }
478 }
479
480 static void removeFromWinMap(long window, XBaseWindow xwin) {
481 synchronized(winMap) {
482 winMap.remove(Long.valueOf(window));
483 }
484 }
485 static XBaseWindow windowToXWindow(long window) {
486 synchronized(winMap) {
487 return winMap.get(Long.valueOf(window));
488 }
489 }
490
491 static void addEventDispatcher(long window, XEventDispatcher dispatcher) {
492 synchronized(winToDispatcher) {
493 Long key = Long.valueOf(window);
494 Collection<XEventDispatcher> dispatchers = winToDispatcher.get(key);
495 if (dispatchers == null) {
496 dispatchers = new Vector<>();
497 winToDispatcher.put(key, dispatchers);
498 }
499 dispatchers.add(dispatcher);
500 }
501 }
502 static void removeEventDispatcher(long window, XEventDispatcher dispatcher) {
503 synchronized(winToDispatcher) {
504 Long key = Long.valueOf(window);
505 Collection<XEventDispatcher> dispatchers = winToDispatcher.get(key);
506 if (dispatchers != null) {
507 dispatchers.remove(dispatcher);
508 }
509 }
510 }
511
512 private Point lastCursorPos;
513
514 /**
515 * Returns whether there is last remembered cursor position. The
516 * position is remembered from X mouse events on our peers. The
517 * position is stored in {@code p}.
518 * @return true, if there is remembered last cursor position,
519 * false otherwise
520 */
521 boolean getLastCursorPos(Point p) {
522 awtLock();
523 try {
524 if (lastCursorPos == null) {
525 return false;
526 }
527 p.setLocation(lastCursorPos);
528 return true;
529 } finally {
530 awtUnlock();
531 }
532 }
533
534 private void processGlobalMotionEvent(XEvent e, XBaseWindow win) {
535 // Only our windows guaranteely generate MotionNotify, so we
536 // should track enter/leave, to catch the moment when to
537 // switch to XQueryPointer
538 if (e.get_type() == XConstants.MotionNotify) {
539 XMotionEvent ev = e.get_xmotion();
540 awtLock();
541 try {
542 if (lastCursorPos == null) {
543 lastCursorPos = new Point(win.scaleDown(ev.get_x_root()),
544 win.scaleDown(ev.get_y_root()));
545 } else {
546 lastCursorPos.setLocation(win.scaleDown(ev.get_x_root()),
547 win.scaleDown(ev.get_y_root()));
548 }
549 } finally {
550 awtUnlock();
551 }
552 } else if (e.get_type() == XConstants.LeaveNotify) {
553 // Leave from our window
554 awtLock();
555 try {
556 lastCursorPos = null;
557 } finally {
558 awtUnlock();
559 }
560 } else if (e.get_type() == XConstants.EnterNotify) {
561 // Entrance into our window
562 XCrossingEvent ev = e.get_xcrossing();
563 awtLock();
564 try {
565 if (lastCursorPos == null) {
566 lastCursorPos = new Point(win.scaleDown(ev.get_x_root()),
567 win.scaleDown(ev.get_y_root()));
568 } else {
569 lastCursorPos.setLocation(win.scaleDown(ev.get_x_root()),
570 win.scaleDown(ev.get_y_root()));
571 }
572 } finally {
573 awtUnlock();
574 }
575 }
576 }
577
578 public interface XEventListener {
579 public void eventProcessed(XEvent e);
580 }
581
582 private Collection<XEventListener> listeners = new LinkedList<XEventListener>();
583
584 public void addXEventListener(XEventListener listener) {
585 synchronized (listeners) {
586 listeners.add(listener);
587 }
588 }
589
590 private void notifyListeners(XEvent xev) {
591 synchronized (listeners) {
592 if (listeners.size() == 0) return;
593
594 XEvent copy = xev.clone();
595 try {
596 for (XEventListener listener : listeners) {
597 listener.eventProcessed(copy);
598 }
599 } finally {
600 copy.dispose();
601 }
602 }
603 }
604
605 private void dispatchEvent(XEvent ev) {
606 final XAnyEvent xany = ev.get_xany();
607
608 XBaseWindow baseWindow = windowToXWindow(xany.get_window());
609 if (baseWindow != null && (ev.get_type() == XConstants.MotionNotify
610 || ev.get_type() == XConstants.EnterNotify
611 || ev.get_type() == XConstants.LeaveNotify)) {
612 processGlobalMotionEvent(ev, baseWindow);
613 }
614
615 if( ev.get_type() == XConstants.MappingNotify ) {
616 // The 'window' field in this event is unused.
617 // This application itself does nothing to initiate such an event
618 // (no calls of XChangeKeyboardMapping etc.).
619 // SunRay server sends this event to the application once on every
620 // keyboard (not just layout) change which means, quite seldom.
621 XlibWrapper.XRefreshKeyboardMapping(ev.pData);
622 resetKeyboardSniffer();
623 setupModifierMap();
624 }
625 XBaseWindow.dispatchToWindow(ev);
626
627 Collection<XEventDispatcher> dispatchers = null;
628 synchronized(winToDispatcher) {
629 Long key = Long.valueOf(xany.get_window());
630 dispatchers = winToDispatcher.get(key);
631 if (dispatchers != null) { // Clone it to avoid synchronization during dispatching
632 dispatchers = new Vector<>(dispatchers);
633 }
634 }
635 if (dispatchers != null) {
636 Iterator<XEventDispatcher> iter = dispatchers.iterator();
637 while (iter.hasNext()) {
638 XEventDispatcher disp = iter.next();
639 disp.dispatchEvent(ev);
640 }
641 }
642 notifyListeners(ev);
643 }
644
645 static void processException(Throwable thr) {
646 if (log.isLoggable(PlatformLogger.Level.WARNING)) {
647 log.warning("Exception on Toolkit thread", thr);
648 }
649 }
650
651 static native void awt_toolkit_init();
652
653 @Override
654 public void run() {
655 awt_toolkit_init();
656 run(PRIMARY_LOOP);
657 }
658
659 public void run(boolean loop)
660 {
661 XEvent ev = new XEvent();
662 while(true) {
663 // Fix for 6829923: we should gracefully handle toolkit thread interruption
664 if (Thread.currentThread().isInterrupted()) {
665 // We expect interruption from the AppContext.dispose() method only.
666 // If the thread is interrupted from another place, let's skip it
667 // for compatibility reasons. Probably some time later we'll remove
668 // the check for AppContext.isDisposed() and will unconditionally
669 // break the loop here.
670 if (AppContext.getAppContext().isDisposed()) {
671 break;
672 }
673 }
674 awtLock();
675 try {
676 if (loop == SECONDARY_LOOP) {
677 // In the secondary loop we may have already acquired awt_lock
678 // several times, so waitForEvents() might be unable to release
679 // the awt_lock and this causes lock up.
680 // For now, we just avoid waitForEvents in the secondary loop.
681 if (!XlibWrapper.XNextSecondaryLoopEvent(getDisplay(),ev.pData)) {
682 break;
683 }
684 } else {
685 callTimeoutTasks();
686 // If no events are queued, waitForEvents() causes calls to
687 // awtUnlock(), awtJNI_ThreadYield, poll, awtLock(),
688 // so it spends most of its time in poll, without holding the lock.
689 while ((XlibWrapper.XEventsQueued(getDisplay(), XConstants.QueuedAfterReading) == 0) &&
690 (XlibWrapper.XEventsQueued(getDisplay(), XConstants.QueuedAfterFlush) == 0)) {
691 callTimeoutTasks();
692 waitForEvents(getNextTaskTime());
693 }
694 XlibWrapper.XNextEvent(getDisplay(),ev.pData);
695 }
696
697 if (ev.get_type() != XConstants.NoExpose) {
698 eventNumber++;
699 }
700 if (awt_UseXKB_Calls && ev.get_type() == awt_XKBBaseEventCode) {
701 processXkbChanges(ev);
702 }
703
704 if (XDropTargetEventProcessor.processEvent(ev) ||
705 XDragSourceContextPeer.processEvent(ev)) {
706 continue;
707 }
708
709 if (eventLog.isLoggable(PlatformLogger.Level.FINER)) {
710 eventLog.finer("{0}", ev);
711 }
712
713 // Check if input method consumes the event
714 long w = 0;
715 if (windowToXWindow(ev.get_xany().get_window()) != null) {
716 Component owner =
717 XKeyboardFocusManagerPeer.getInstance().getCurrentFocusOwner();
718 if (owner != null) {
719 XWindow ownerWindow = AWTAccessor.getComponentAccessor().getPeer(owner);
720 if (ownerWindow != null) {
721 w = ownerWindow.getContentWindow();
722 }
723 }
724 }
725 if (keyEventLog.isLoggable(PlatformLogger.Level.FINE) && (
726 ev.get_type() == XConstants.KeyPress
727 || ev.get_type() == XConstants.KeyRelease)) {
728 keyEventLog.fine("before XFilterEvent:" + ev);
729 }
730 if (XlibWrapper.XFilterEvent(ev.getPData(), w)) {
731 continue;
732 }
733 if (keyEventLog.isLoggable(PlatformLogger.Level.FINE) && (
734 ev.get_type() == XConstants.KeyPress
735 || ev.get_type() == XConstants.KeyRelease)) {
736 keyEventLog.fine(
737 "after XFilterEvent:" + ev); // IS THIS CORRECT?
738 }
739
740 dispatchEvent(ev);
741 } catch (ThreadDeath td) {
742 XBaseWindow.ungrabInput();
743 return;
744 } catch (Throwable thr) {
745 XBaseWindow.ungrabInput();
746 processException(thr);
747 } finally {
748 awtUnlock();
749 }
750 }
751 }
752
753 /**
754 * Listener installed to detect display changes.
755 */
756 private static final DisplayChangedListener displayChangedHandler =
757 new DisplayChangedListener() {
758 @Override
759 public void displayChanged() {
760 // 7045370: Reset the cached values
761 XToolkit.maxWindowWidthInPixels = -1;
762 XToolkit.maxWindowHeightInPixels = -1;
763 }
764
765 @Override
766 public void paletteChanged() {
767 }
768 };
769
770 static {
771 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
772 if (ge instanceof SunGraphicsEnvironment) {
773 ((SunGraphicsEnvironment) ge).addDisplayChangedListener(
774 displayChangedHandler);
775 }
776 }
777
778 private static void initScreenSize() {
779 if (maxWindowWidthInPixels == -1 || maxWindowHeightInPixels == -1) {
780 awtLock();
781 try {
782 XWindowAttributes pattr = new XWindowAttributes();
783 try {
784 XlibWrapper.XGetWindowAttributes(XToolkit.getDisplay(),
785 XToolkit.getDefaultRootWindow(),
786 pattr.pData);
787 maxWindowWidthInPixels = pattr.get_width();
788 maxWindowHeightInPixels = pattr.get_height();
789 } finally {
790 pattr.dispose();
791 }
792 } finally {
793 awtUnlock();
794 }
795 }
796 }
797
798 static int getMaxWindowWidthInPixels() {
799 initScreenSize();
800 return maxWindowWidthInPixels;
801 }
802
803 static int getMaxWindowHeightInPixels() {
804 initScreenSize();
805 return maxWindowHeightInPixels;
806 }
807
808 private static Rectangle getWorkArea(long root, int scale)
809 {
810 XAtom XA_NET_WORKAREA = XAtom.get("_NET_WORKAREA");
811
812 long native_ptr = Native.allocateLongArray(4);
813 try
814 {
815 boolean workareaPresent = XA_NET_WORKAREA.getAtomData(root,
816 XAtom.XA_CARDINAL, native_ptr, 4);
817 if (workareaPresent)
818 {
819 int rootX = (int)Native.getLong(native_ptr, 0);
820 int rootY = (int)Native.getLong(native_ptr, 1);
821 int rootWidth = (int)Native.getLong(native_ptr, 2);
822 int rootHeight = (int)Native.getLong(native_ptr, 3);
823
824 return new Rectangle(scaleDown(rootX, scale),
825 scaleDown(rootY, scale),
826 scaleDown(rootWidth, scale),
827 scaleDown(rootHeight, scale));
828 }
829 }
830 finally
831 {
832 XlibWrapper.unsafe.freeMemory(native_ptr);
833 }
834
835 return null;
836 }
837
838 /*
839 * If the current window manager supports _NET protocol then the screen
840 * insets are calculated using _NET_WORKAREA property of the root window.
841 * <p>
842 * Note that _NET_WORKAREA is a rectangular area and it does not work
843 * well in the Xinerama mode.
844 * <p>
845 * We will trust the part of this rectangular area only if it starts at the
846 * requested graphics configuration. Below is an example when the
847 * _NET_WORKAREA intersects with the requested graphics configuration but
848 * produces wrong result.
849 *
850 * //<-x1,y1///////
851 * // // ////////////////
852 * // SCREEN1 // // SCREEN2 //
853 * // ********** // // x2,y2->//
854 * //////////////// // //
855 * ////////////////
856 *
857 * When two screens overlap and the first contains a dock(*****), then
858 * _NET_WORKAREA may start at point x1,y1 and end at point x2,y2.
859 */
860 @Override
861 public Insets getScreenInsets(GraphicsConfiguration gc)
862 {
863 XNETProtocol netProto = XWM.getWM().getNETProtocol();
864 if ((netProto == null) || !netProto.active())
865 {
866 return super.getScreenInsets(gc);
867 }
868
869 XToolkit.awtLock();
870 try
871 {
872 X11GraphicsEnvironment x11ge = (X11GraphicsEnvironment)
873 GraphicsEnvironment.getLocalGraphicsEnvironment();
874 X11GraphicsConfig x11gc = (X11GraphicsConfig) gc;
875 long root = XlibUtil.getRootWindow(x11gc.getDevice().getScreen());
876 int scale = x11gc.getScale();
877 if (x11ge.runningXinerama() && checkSTRUT()) {
878 // implementation based on _NET_WM_STRUT/_NET_WM_STRUT_PARTIAL
879 Rectangle rootBounds = XlibUtil.getWindowGeometry(root, scale);
880 Insets insets = getScreenInsetsManually(root, rootBounds,
881 gc.getBounds(), scale);
882 if ((insets.left | insets.top | insets.bottom | insets.right) != 0
883 || rootBounds == null) {
884 return insets;
885 }
886 }
887 Rectangle workArea = XToolkit.getWorkArea(root, scale);
888 Rectangle screen = gc.getBounds();
889 if (workArea != null && screen.contains(workArea.getLocation())) {
890 workArea = workArea.intersection(screen);
891 int top = workArea.y - screen.y;
892 int left = workArea.x - screen.x;
893 int bottom = screen.height - workArea.height - top;
894 int right = screen.width - workArea.width - left;
895 return new Insets(top, left, bottom, right);
896 }
897 // Note that it is better to return zeros than inadequate values
898 return new Insets(0, 0, 0, 0);
899 }
900 finally
901 {
902 XToolkit.awtUnlock();
903 }
904 }
905
906 /**
907 * Returns the value of "sun.awt.X11.checkSTRUT" property. Default value is
908 * {@code false}.
909 */
910 private static boolean checkSTRUT() {
911 if (checkSTRUT == null) {
912 checkSTRUT = AccessController.doPrivileged(
913 new GetBooleanAction("sun.awt.X11.checkSTRUT"));
914 }
915 return checkSTRUT;
916 }
917
918 /*
919 * Manual calculation of screen insets: get all the windows with
920 * _NET_WM_STRUT/_NET_WM_STRUT_PARTIAL hints and add these
921 * hints' values to screen insets.
922 *
923 * This method should be called under XToolkit.awtLock()
924 *
925 * This method is unused by default because of two reasons:
926 * - Iteration over windows may be extremely slow, and execution of
927 * getScreenInsets() can be x100 slower than in one monitor config.
928 * - _NET_WM_STRUT/_NET_WM_STRUT_PARTIAL are hints for the applications.
929 * WM should take into account these hints when "_NET_WORKAREA" is
930 * calculated, but the system panels do not necessarily contain these
931 * hints(Gnome 3 for example).
932 */
933 private Insets getScreenInsetsManually(long root, Rectangle rootBounds,
934 Rectangle screenBounds, int scale)
935 {
936 /*
937 * During the manual calculation of screen insets we iterate
938 * all the X windows hierarchy starting from root window. This
939 * constant is the max level inspected in this hierarchy.
940 * 3 is a heuristic value: I suppose any the toolbar-like
941 * window is a child of either root or desktop window.
942 */
943 final int MAX_NESTED_LEVEL = 3;
944
945 XAtom XA_NET_WM_STRUT = XAtom.get("_NET_WM_STRUT");
946 XAtom XA_NET_WM_STRUT_PARTIAL = XAtom.get("_NET_WM_STRUT_PARTIAL");
947
948 Insets insets = new Insets(0, 0, 0, 0);
949
950 java.util.List<Object> search = new LinkedList<>();
951 search.add(root);
952 search.add(0);
953 while (!search.isEmpty())
954 {
955 long window = (Long)search.remove(0);
956 int windowLevel = (Integer)search.remove(0);
957
958 /*
959 * Note that most of the modern window managers unmap
960 * application window if it is iconified. Thus, any
961 * _NET_WM_STRUT[_PARTIAL] hints for iconified windows
962 * are not included to the screen insets.
963 */
964 if (XlibUtil.getWindowMapState(window) == XConstants.IsUnmapped)
965 {
966 continue;
967 }
968
969 long native_ptr = Native.allocateLongArray(4);
970 try
971 {
972 // first, check if _NET_WM_STRUT or _NET_WM_STRUT_PARTIAL are present
973 // if both are set on the window, _NET_WM_STRUT_PARTIAL is used (see _NET spec)
974 boolean strutPresent = XA_NET_WM_STRUT_PARTIAL.getAtomData(window, XAtom.XA_CARDINAL, native_ptr, 4);
975 if (!strutPresent)
976 {
977 strutPresent = XA_NET_WM_STRUT.getAtomData(window, XAtom.XA_CARDINAL, native_ptr, 4);
978 }
979 if (strutPresent)
980 {
981 // second, verify that window is located on the proper screen
982 Rectangle windowBounds = XlibUtil.getWindowGeometry(window,
983 scale);
984 if (windowLevel > 1)
985 {
986 windowBounds = XlibUtil.translateCoordinates(window, root,
987 windowBounds,
988 scale);
989 }
990 // if _NET_WM_STRUT_PARTIAL is present, we should use its values to detect
991 // if the struts area intersects with screenBounds, however some window
992 // managers don't set this hint correctly, so we just get intersection with windowBounds
993 if (windowBounds != null && windowBounds.intersects(screenBounds))
994 {
995 int left = scaleDown((int)Native.getLong(native_ptr, 0), scale);
996 int right = scaleDown((int)Native.getLong(native_ptr, 1), scale);
997 int top = scaleDown((int)Native.getLong(native_ptr, 2), scale);
998 int bottom = scaleDown((int)Native.getLong(native_ptr, 3), scale);
999
1000 /*
1001 * struts could be relative to root window bounds, so
1002 * make them relative to the screen bounds in this case
1003 */
1004 left = rootBounds.x + left > screenBounds.x ?
1005 rootBounds.x + left - screenBounds.x : 0;
1006 right = rootBounds.x + rootBounds.width - right <
1007 screenBounds.x + screenBounds.width ?
1008 screenBounds.x + screenBounds.width -
1009 (rootBounds.x + rootBounds.width - right) : 0;
1010 top = rootBounds.y + top > screenBounds.y ?
1011 rootBounds.y + top - screenBounds.y : 0;
1012 bottom = rootBounds.y + rootBounds.height - bottom <
1013 screenBounds.y + screenBounds.height ?
1014 screenBounds.y + screenBounds.height -
1015 (rootBounds.y + rootBounds.height - bottom) : 0;
1016
1017 insets.left = Math.max(left, insets.left);
1018 insets.right = Math.max(right, insets.right);
1019 insets.top = Math.max(top, insets.top);
1020 insets.bottom = Math.max(bottom, insets.bottom);
1021 }
1022 }
1023 }
1024 finally
1025 {
1026 XlibWrapper.unsafe.freeMemory(native_ptr);
1027 }
1028
1029 if (windowLevel < MAX_NESTED_LEVEL)
1030 {
1031 Set<Long> children = XlibUtil.getChildWindows(window);
1032 for (long child : children)
1033 {
1034 search.add(child);
1035 search.add(windowLevel + 1);
1036 }
1037 }
1038 }
1039
1040 return insets;
1041 }
1042
1043 /*
1044 * The current implementation of disabling background erasing for
1045 * canvases is that we don't set any native background color
1046 * (with XSetWindowBackground) for the canvas window. However,
1047 * this color is set in the peer constructor - see
1048 * XWindow.postInit() for details. That's why this method from
1049 * SunToolkit is not overridden in XToolkit: it's too late to
1050 * disable background erasing :(
1051 */
1052 /*
1053 @Override
1054 public void disableBackgroundErase(Canvas canvas) {
1055 XCanvasPeer peer = (XCanvasPeer)canvas.getPeer();
1056 if (peer == null) {
1057 throw new IllegalStateException("Canvas must have a valid peer");
1058 }
1059 peer.disableBackgroundErase();
1060 }
1061 */
1062
1063 // Need this for XMenuItemPeer.
1064 protected static Object targetToPeer(Object target) {
1065 Object p=null;
1066 if (target != null && !GraphicsEnvironment.isHeadless()) {
1067 p = specialPeerMap.get(target);
1068 }
1069 if (p != null) return p;
1070 else
1071 return SunToolkit.targetToPeer(target);
1072 }
1073
1074 // Need this for XMenuItemPeer.
1075 protected static void targetDisposedPeer(Object target, Object peer) {
1076 SunToolkit.targetDisposedPeer(target, peer);
1077 }
1078
1079 @Override
1080 public RobotPeer createRobot(Robot target, GraphicsDevice screen) {
1081 return new XRobotPeer(screen.getDefaultConfiguration());
1082 }
1083
1084
1085 /*
1086 * On X, support for dynamic layout on resizing is governed by the
1087 * window manager. If the window manager supports it, it happens
1088 * automatically. The setter method for this property is
1089 * irrelevant on X.
1090 */
1091 @Override
1092 public void setDynamicLayout(boolean b) {
1093 dynamicLayoutSetting = b;
1094 }
1095
1096 @Override
1097 protected boolean isDynamicLayoutSet() {
1098 return dynamicLayoutSetting;
1099 }
1100
1101 /* Called from isDynamicLayoutActive() and from
1102 * lazilyLoadDynamicLayoutSupportedProperty()
1103 */
1104 protected boolean isDynamicLayoutSupported() {
1105 return XWM.getWM().supportsDynamicLayout();
1106 }
1107
1108 @Override
1109 public boolean isDynamicLayoutActive() {
1110 return isDynamicLayoutSupported();
1111 }
1112
1113 @Override
1114 public FontPeer getFontPeer(String name, int style){
1115 return new XFontPeer(name, style);
1116 }
1117
1118 @Override
1119 public DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException {
1120 final LightweightFrame f = SunToolkit.getLightweightFrame(dge.getComponent());
1121 if (f != null) {
1122 return f.createDragSourceContextPeer(dge);
1123 }
1124
1125 return XDragSourceContextPeer.createDragSourceContextPeer(dge);
1126 }
1127
1128 @Override
1129 @SuppressWarnings("unchecked")
1130 public <T extends DragGestureRecognizer> T
1131 createDragGestureRecognizer(Class<T> recognizerClass,
1132 DragSource ds,
1133 Component c,
1134 int srcActions,
1135 DragGestureListener dgl)
1136 {
1137 final LightweightFrame f = SunToolkit.getLightweightFrame(c);
1138 if (f != null) {
1139 return f.createDragGestureRecognizer(recognizerClass, ds, c, srcActions, dgl);
1140 }
1141
1142 if (MouseDragGestureRecognizer.class.equals(recognizerClass))
1143 return (T)new XMouseDragGestureRecognizer(ds, c, srcActions, dgl);
1144 else
1145 return null;
1146 }
1147
1148 @Override
1149 public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target) {
1150 XCheckboxMenuItemPeer peer = new XCheckboxMenuItemPeer(target);
1151 //vb157120: looks like we don't need to map menu items
1152 //in new menus implementation
1153 //targetCreatedPeer(target, peer);
1154 return peer;
1155 }
1156
1157 @Override
1158 public MenuItemPeer createMenuItem(MenuItem target) {
1159 XMenuItemPeer peer = new XMenuItemPeer(target);
1160 //vb157120: looks like we don't need to map menu items
1161 //in new menus implementation
1162 //targetCreatedPeer(target, peer);
1163 return peer;
1164 }
1165
1166 @Override
1167 public TextFieldPeer createTextField(TextField target) {
1168 TextFieldPeer peer = new XTextFieldPeer(target);
1169 targetCreatedPeer(target, peer);
1170 return peer;
1171 }
1172
1173 @Override
1174 public LabelPeer createLabel(Label target) {
1175 LabelPeer peer = new XLabelPeer(target);
1176 targetCreatedPeer(target, peer);
1177 return peer;
1178 }
1179
1180 @Override
1181 public ListPeer createList(java.awt.List target) {
1182 ListPeer peer = new XListPeer(target);
1183 targetCreatedPeer(target, peer);
1184 return peer;
1185 }
1186
1187 @Override
1188 public CheckboxPeer createCheckbox(Checkbox target) {
1189 CheckboxPeer peer = new XCheckboxPeer(target);
1190 targetCreatedPeer(target, peer);
1191 return peer;
1192 }
1193
1194 @Override
1195 public ScrollbarPeer createScrollbar(Scrollbar target) {
1196 XScrollbarPeer peer = new XScrollbarPeer(target);
1197 targetCreatedPeer(target, peer);
1198 return peer;
1199 }
1200
1201 @Override
1202 public ScrollPanePeer createScrollPane(ScrollPane target) {
1203 XScrollPanePeer peer = new XScrollPanePeer(target);
1204 targetCreatedPeer(target, peer);
1205 return peer;
1206 }
1207
1208 @Override
1209 public TextAreaPeer createTextArea(TextArea target) {
1210 TextAreaPeer peer = new XTextAreaPeer(target);
1211 targetCreatedPeer(target, peer);
1212 return peer;
1213 }
1214
1215 @Override
1216 public ChoicePeer createChoice(Choice target) {
1217 XChoicePeer peer = new XChoicePeer(target);
1218 targetCreatedPeer(target, peer);
1219 return peer;
1220 }
1221
1222 @Override
1223 public CanvasPeer createCanvas(Canvas target) {
1224 XCanvasPeer peer = (isXEmbedServerRequested() ? new XEmbedCanvasPeer(target) : new XCanvasPeer(target));
1225 targetCreatedPeer(target, peer);
1226 return peer;
1227 }
1228
1229 @Override
1230 public PanelPeer createPanel(Panel target) {
1231 PanelPeer peer = new XPanelPeer(target);
1232 targetCreatedPeer(target, peer);
1233 return peer;
1234 }
1235
1236 @Override
1237 public WindowPeer createWindow(Window target) {
1238 WindowPeer peer = new XWindowPeer(target);
1239 targetCreatedPeer(target, peer);
1240 return peer;
1241 }
1242
1243 @Override
1244 public DialogPeer createDialog(Dialog target) {
1245 DialogPeer peer = new XDialogPeer(target);
1246 targetCreatedPeer(target, peer);
1247 return peer;
1248 }
1249
1250 private static Boolean sunAwtDisableGtkFileDialogs = null;
1251
1252 /**
1253 * Returns the value of "sun.awt.disableGtkFileDialogs" property. Default
1254 * value is {@code false}.
1255 */
1256 public static synchronized boolean getSunAwtDisableGtkFileDialogs() {
1257 if (sunAwtDisableGtkFileDialogs == null) {
1258 sunAwtDisableGtkFileDialogs = AccessController.doPrivileged(
1259 new GetBooleanAction("sun.awt.disableGtkFileDialogs"));
1260 }
1261 return sunAwtDisableGtkFileDialogs.booleanValue();
1262 }
1263
1264 @Override
1265 public FileDialogPeer createFileDialog(FileDialog target) {
1266 FileDialogPeer peer = null;
1267 // The current GtkFileChooser is available from GTK+ 2.4
1268 if (!getSunAwtDisableGtkFileDialogs() &&
1269 (checkGtkVersion(2, 4, 0) || checkGtkVersion(3, 0, 0))) {
1270 peer = new GtkFileDialogPeer(target);
1271 } else {
1272 peer = new XFileDialogPeer(target);
1273 }
1274 targetCreatedPeer(target, peer);
1275 return peer;
1276 }
1277
1278 @Override
1279 public MenuBarPeer createMenuBar(MenuBar target) {
1280 XMenuBarPeer peer = new XMenuBarPeer(target);
1281 targetCreatedPeer(target, peer);
1282 return peer;
1283 }
1284
1285 @Override
1286 public MenuPeer createMenu(Menu target) {
1287 XMenuPeer peer = new XMenuPeer(target);
1288 //vb157120: looks like we don't need to map menu items
1289 //in new menus implementation
1290 //targetCreatedPeer(target, peer);
1291 return peer;
1292 }
1293
1294 @Override
1295 public PopupMenuPeer createPopupMenu(PopupMenu target) {
1296 XPopupMenuPeer peer = new XPopupMenuPeer(target);
1297 targetCreatedPeer(target, peer);
1298 return peer;
1299 }
1300
1301 @Override
1302 public synchronized MouseInfoPeer getMouseInfoPeer() {
1303 if (xPeer == null) {
1304 xPeer = new XMouseInfoPeer();
1305 }
1306 return xPeer;
1307 }
1308
1309 public XEmbeddedFramePeer createEmbeddedFrame(XEmbeddedFrame target)
1310 {
1311 XEmbeddedFramePeer peer = new XEmbeddedFramePeer(target);
1312 targetCreatedPeer(target, peer);
1313 return peer;
1314 }
1315
1316 XEmbedChildProxyPeer createEmbedProxy(XEmbedChildProxy target) {
1317 XEmbedChildProxyPeer peer = new XEmbedChildProxyPeer(target);
1318 targetCreatedPeer(target, peer);
1319 return peer;
1320 }
1321
1322 @Override
1323 public KeyboardFocusManagerPeer getKeyboardFocusManagerPeer() throws HeadlessException {
1324 return XKeyboardFocusManagerPeer.getInstance();
1325 }
1326
1327 /**
1328 * Returns a new custom cursor.
1329 */
1330 @Override
1331 public Cursor createCustomCursor(Image cursor, Point hotSpot, String name)
1332 throws IndexOutOfBoundsException {
1333 return new XCustomCursor(cursor, hotSpot, name);
1334 }
1335
1336 @Override
1337 public TrayIconPeer createTrayIcon(TrayIcon target)
1338 throws HeadlessException, AWTException
1339 {
1340 TrayIconPeer peer = new XTrayIconPeer(target);
1341 targetCreatedPeer(target, peer);
1342 return peer;
1343 }
1344
1345 @Override
1346 public SystemTrayPeer createSystemTray(SystemTray target) throws HeadlessException {
1347 SystemTrayPeer peer = new XSystemTrayPeer(target);
1348 return peer;
1349 }
1350
1351 @Override
1352 public boolean isTraySupported() {
1353 XSystemTrayPeer peer = XSystemTrayPeer.getPeerInstance();
1354 if (peer != null) {
1355 return peer.isAvailable();
1356 }
1357 return false;
1358 }
1359
1360 @Override
1361 public DataTransferer getDataTransferer() {
1362 return XDataTransferer.getInstanceImpl();
1363 }
1364
1365 /**
1366 * Returns the supported cursor size
1367 */
1368 @Override
1369 public Dimension getBestCursorSize(int preferredWidth, int preferredHeight) {
1370 return XCustomCursor.getBestCursorSize(
1371 java.lang.Math.max(1,preferredWidth), java.lang.Math.max(1,preferredHeight));
1372 }
1373
1374
1375 @Override
1376 public int getMaximumCursorColors() {
1377 return 2; // Black and white.
1378 }
1379
1380 @Override
1381 public Map<TextAttribute, ?> mapInputMethodHighlight( InputMethodHighlight highlight) {
1382 return XInputMethod.mapInputMethodHighlight(highlight);
1383 }
1384 @Override
1385 public boolean getLockingKeyState(int key) {
1386 if (! (key == KeyEvent.VK_CAPS_LOCK || key == KeyEvent.VK_NUM_LOCK ||
1387 key == KeyEvent.VK_SCROLL_LOCK || key == KeyEvent.VK_KANA_LOCK)) {
1388 throw new IllegalArgumentException("invalid key for Toolkit.getLockingKeyState");
1389 }
1390 awtLock();
1391 try {
1392 return getModifierState( key );
1393 } finally {
1394 awtUnlock();
1395 }
1396 }
1397
1398 @Override
1399 public Clipboard getSystemClipboard() {
1400 SecurityManager security = System.getSecurityManager();
1401 if (security != null) {
1402 security.checkPermission(AWTPermissions.ACCESS_CLIPBOARD_PERMISSION);
1403 }
1404 synchronized (this) {
1405 if (clipboard == null) {
1406 clipboard = new XClipboard("System", "CLIPBOARD");
1407 }
1408 }
1409 return clipboard;
1410 }
1411
1412 @Override
1413 public Clipboard getSystemSelection() {
1414 SecurityManager security = System.getSecurityManager();
1415 if (security != null) {
1416 security.checkPermission(AWTPermissions.ACCESS_CLIPBOARD_PERMISSION);
1417 }
1418 synchronized (this) {
1419 if (selection == null) {
1420 selection = new XClipboard("Selection", "PRIMARY");
1421 }
1422 }
1423 return selection;
1424 }
1425
1426 @Override
1427 public void beep() {
1428 awtLock();
1429 try {
1430 XlibWrapper.XBell(getDisplay(), 0);
1431 XlibWrapper.XFlush(getDisplay());
1432 } finally {
1433 awtUnlock();
1434 }
1435 }
1436
1437 @Override
1438 public PrintJob getPrintJob(final Frame frame, final String doctitle,
1439 final Properties props) {
1440
1441 if (frame == null) {
1442 throw new NullPointerException("frame must not be null");
1443 }
1444
1445 PrintJob2D printJob = new PrintJob2D(frame, doctitle, props);
1446
1447 if (printJob.printDialog() == false) {
1448 printJob = null;
1449 }
1450 return printJob;
1451 }
1452
1453 @Override
1454 public PrintJob getPrintJob(final Frame frame, final String doctitle,
1455 final JobAttributes jobAttributes,
1456 final PageAttributes pageAttributes)
1457 {
1458 if (frame == null) {
1459 throw new NullPointerException("frame must not be null");
1460 }
1461
1462 PrintJob2D printJob = new PrintJob2D(frame, doctitle,
1463 jobAttributes, pageAttributes);
1464
1465 if (printJob.printDialog() == false) {
1466 printJob = null;
1467 }
1468
1469 return printJob;
1470 }
1471
1472 static void XSync() {
1473 awtLock();
1474 try {
1475 XlibWrapper.XSync(getDisplay(),0);
1476 } finally {
1477 awtUnlock();
1478 }
1479 }
1480
1481 @Override
1482 public int getScreenResolution() {
1483 long display = getDisplay();
1484 awtLock();
1485 try {
1486 return (int) ((XlibWrapper.DisplayWidth(display,
1487 XlibWrapper.DefaultScreen(display)) * 25.4) /
1488 XlibWrapper.DisplayWidthMM(display,
1489 XlibWrapper.DefaultScreen(display)));
1490 } finally {
1491 awtUnlock();
1492 }
1493 }
1494
1495 static native long getDefaultXColormap();
1496 static native long getDefaultScreenData();
1497
1498 /**
1499 * Returns a new input method adapter descriptor for native input methods.
1500 */
1501 @Override
1502 public InputMethodDescriptor getInputMethodAdapterDescriptor() throws AWTException {
1503 return new XInputMethodDescriptor();
1504 }
1505
1506 /**
1507 * Returns whether enableInputMethods should be set to true for peered
1508 * TextComponent instances on this platform. True by default.
1509 */
1510 @Override
1511 public boolean enableInputMethodsForTextComponent() {
1512 return true;
1513 }
1514
1515 static int getMultiClickTime() {
1516 if (awt_multiclick_time == 0) {
1517 initializeMultiClickTime();
1518 }
1519 return awt_multiclick_time;
1520 }
1521 static void initializeMultiClickTime() {
1522 awtLock();
1523 try {
1524 try {
1525 String multiclick_time_query = XlibWrapper.XGetDefault(XToolkit.getDisplay(), "*", "multiClickTime");
1526 if (multiclick_time_query != null) {
1527 awt_multiclick_time = (int)Long.parseLong(multiclick_time_query);
1528 } else {
1529 multiclick_time_query = XlibWrapper.XGetDefault(XToolkit.getDisplay(),
1530 "OpenWindows", "MultiClickTimeout");
1531 if (multiclick_time_query != null) {
1532 /* Note: OpenWindows.MultiClickTimeout is in tenths of
1533 a second, so we need to multiply by 100 to convert to
1534 milliseconds */
1535 awt_multiclick_time = (int)Long.parseLong(multiclick_time_query) * 100;
1536 } else {
1537 awt_multiclick_time = AWT_MULTICLICK_DEFAULT_TIME;
1538 }
1539 }
1540 } catch (NumberFormatException nf) {
1541 awt_multiclick_time = AWT_MULTICLICK_DEFAULT_TIME;
1542 } catch (NullPointerException npe) {
1543 awt_multiclick_time = AWT_MULTICLICK_DEFAULT_TIME;
1544 }
1545 } finally {
1546 awtUnlock();
1547 }
1548 if (awt_multiclick_time == 0) {
1549 awt_multiclick_time = AWT_MULTICLICK_DEFAULT_TIME;
1550 }
1551 }
1552
1553 @Override
1554 public boolean isFrameStateSupported(int state)
1555 throws HeadlessException
1556 {
1557 if (state == Frame.NORMAL || state == Frame.ICONIFIED) {
1558 return true;
1559 } else {
1560 return XWM.getWM().supportsExtendedState(state);
1561 }
1562 }
1563
1564 static void dumpPeers() {
1565 if (log.isLoggable(PlatformLogger.Level.FINE)) {
1566 log.fine("Mapped windows:");
1567 winMap.forEach((k, v) -> {
1568 log.fine(k + "->" + v);
1569 if (v instanceof XComponentPeer) {
1570 Component target = (Component)((XComponentPeer)v).getTarget();
1571 log.fine("\ttarget: " + target);
1572 }
1573 });
1574
1575 SunToolkit.dumpPeers(log);
1576
1577 log.fine("Mapped special peers:");
1578 specialPeerMap.forEach((k, v) -> {
1579 log.fine(k + "->" + v);
1580 });
1581
1582 log.fine("Mapped dispatchers:");
1583 winToDispatcher.forEach((k, v) -> {
1584 log.fine(k + "->" + v);
1585 });
1586 }
1587 }
1588
1589 /* Protected with awt_lock. */
1590 private static boolean initialized;
1591 private static boolean timeStampUpdated;
1592 private static long timeStamp;
1593
1594 private static final XEventDispatcher timeFetcher =
1595 new XEventDispatcher() {
1596 @Override
1597 public void dispatchEvent(XEvent ev) {
1598 switch (ev.get_type()) {
1599 case XConstants.PropertyNotify:
1600 XPropertyEvent xpe = ev.get_xproperty();
1601
1602 awtLock();
1603 try {
1604 timeStamp = xpe.get_time();
1605 timeStampUpdated = true;
1606 awtLockNotifyAll();
1607 } finally {
1608 awtUnlock();
1609 }
1610
1611 break;
1612 }
1613 }
1614 };
1615
1616 private static XAtom _XA_JAVA_TIME_PROPERTY_ATOM;
1617
1618 static long getCurrentServerTime() {
1619 awtLock();
1620 try {
1621 try {
1622 if (!initialized) {
1623 XToolkit.addEventDispatcher(XBaseWindow.getXAWTRootWindow().getWindow(),
1624 timeFetcher);
1625 _XA_JAVA_TIME_PROPERTY_ATOM = XAtom.get("_SUNW_JAVA_AWT_TIME");
1626 initialized = true;
1627 }
1628 timeStampUpdated = false;
1629 XlibWrapper.XChangeProperty(XToolkit.getDisplay(),
1630 XBaseWindow.getXAWTRootWindow().getWindow(),
1631 _XA_JAVA_TIME_PROPERTY_ATOM.getAtom(), XAtom.XA_ATOM, 32,
1632 XConstants.PropModeAppend,
1633 0, 0);
1634 XlibWrapper.XFlush(XToolkit.getDisplay());
1635
1636 if (isToolkitThread()) {
1637 XEvent event = new XEvent();
1638 try {
1639 XlibWrapper.XWindowEvent(XToolkit.getDisplay(),
1640 XBaseWindow.getXAWTRootWindow().getWindow(),
1641 XConstants.PropertyChangeMask,
1642 event.pData);
1643 timeFetcher.dispatchEvent(event);
1644 }
1645 finally {
1646 event.dispose();
1647 }
1648 }
1649 else {
1650 while (!timeStampUpdated) {
1651 awtLockWait();
1652 }
1653 }
1654 } catch (InterruptedException ie) {
1655 // Note: the returned timeStamp can be incorrect in this case.
1656 if (log.isLoggable(PlatformLogger.Level.FINE)) {
1657 log.fine("Catched exception, timeStamp may not be correct (ie = " + ie + ")");
1658 }
1659 }
1660 } finally {
1661 awtUnlock();
1662 }
1663 return timeStamp;
1664 }
1665 @Override
1666 protected void initializeDesktopProperties() {
1667 desktopProperties.put("DnD.Autoscroll.initialDelay",
1668 Integer.valueOf(50));
1669 desktopProperties.put("DnD.Autoscroll.interval",
1670 Integer.valueOf(50));
1671 desktopProperties.put("DnD.Autoscroll.cursorHysteresis",
1672 Integer.valueOf(5));
1673 desktopProperties.put("Shell.shellFolderManager",
1674 "sun.awt.shell.ShellFolderManager");
1675 // Don't want to call getMultiClickTime() if we are headless
1676 if (!GraphicsEnvironment.isHeadless()) {
1677 desktopProperties.put("awt.multiClickInterval",
1678 Integer.valueOf(getMultiClickTime()));
1679 desktopProperties.put("awt.mouse.numButtons",
1680 Integer.valueOf(getNumberOfButtons()));
1681 if(SunGraphicsEnvironment.isUIScaleEnabled()) {
1682 addPropertyChangeListener("gnome.Xft/DPI", evt ->
1683 localEnv.displayChanged());
1684 }
1685 }
1686 }
1687
1688 /**
1689 * This method runs through the XPointer and XExtendedPointer array.
1690 * XExtendedPointer has priority because on some systems XPointer
1691 * (which is assigned to the virtual pointer) reports the maximum
1692 * capabilities of the mouse pointer (i.e. 32 physical buttons).
1693 */
1694 private native int getNumberOfButtonsImpl();
1695
1696 @Override
1697 public int getNumberOfButtons(){
1698 awtLock();
1699 try {
1700 if (numberOfButtons == 0) {
1701 numberOfButtons = getNumberOfButtonsImpl();
1702 numberOfButtons = (numberOfButtons > MAX_BUTTONS_SUPPORTED)? MAX_BUTTONS_SUPPORTED : numberOfButtons;
1703 //4th and 5th buttons are for wheel and shouldn't be reported as buttons.
1704 //If we have more than 3 physical buttons and a wheel, we report N-2 buttons.
1705 //If we have 3 physical buttons and a wheel, we report 3 buttons.
1706 //If we have 1,2,3 physical buttons, we report it as is i.e. 1,2 or 3 respectively.
1707 if (numberOfButtons >=5) {
1708 numberOfButtons -= 2;
1709 } else if (numberOfButtons == 4 || numberOfButtons ==5){
1710 numberOfButtons = 3;
1711 }
1712 }
1713 //Assume don't have to re-query the number again and again.
1714 return numberOfButtons;
1715 } finally {
1716 awtUnlock();
1717 }
1718 }
1719
1720 static int getNumberOfButtonsForMask() {
1721 return Math.min(XConstants.MAX_BUTTONS, ((SunToolkit) (Toolkit.getDefaultToolkit())).getNumberOfButtons());
1722 }
1723
1724 private static final String prefix = "DnD.Cursor.";
1725 private static final String postfix = ".32x32";
1726 private static final String dndPrefix = "DnD.";
1727
1728 @Override
1729 protected Object lazilyLoadDesktopProperty(String name) {
1730 if (name.startsWith(prefix)) {
1731 String cursorName = name.substring(prefix.length(), name.length()) + postfix;
1732
1733 try {
1734 return Cursor.getSystemCustomCursor(cursorName);
1735 } catch (AWTException awte) {
1736 throw new RuntimeException("cannot load system cursor: " + cursorName, awte);
1737 }
1738 }
1739
1740 if (name.equals("awt.dynamicLayoutSupported")) {
1741 return Boolean.valueOf(isDynamicLayoutSupported());
1742 }
1743
1744 if (initXSettingsIfNeeded(name)) {
1745 return desktopProperties.get(name);
1746 }
1747
1748 return super.lazilyLoadDesktopProperty(name);
1749 }
1750
1751 @Override
1752 public synchronized void addPropertyChangeListener(String name, PropertyChangeListener pcl) {
1753 if (name == null) {
1754 // See JavaDoc for the Toolkit.addPropertyChangeListener() method
1755 return;
1756 }
1757 initXSettingsIfNeeded(name);
1758 super.addPropertyChangeListener(name, pcl);
1759 }
1760
1761 /**
1762 * Initializes XAWTXSettings if a property for a given property name is provided by
1763 * XSettings and they are not initialized yet.
1764 *
1765 * @return true if the method has initialized XAWTXSettings.
1766 */
1767 private boolean initXSettingsIfNeeded(final String propName) {
1768 if (!loadedXSettings &&
1769 (propName.startsWith("gnome.") ||
1770 propName.equals(SunToolkit.DESKTOPFONTHINTS) ||
1771 propName.startsWith(dndPrefix)))
1772 {
1773 loadedXSettings = true;
1774 if (!GraphicsEnvironment.isHeadless()) {
1775 loadXSettings();
1776 /* If no desktop font hint could be retrieved, check for
1777 * KDE running KWin and retrieve settings from fontconfig.
1778 * If that isn't found let SunToolkit will see if there's a
1779 * system property set by a user.
1780 */
1781 if (desktopProperties.get(SunToolkit.DESKTOPFONTHINTS) == null) {
1782 if (XWM.isKDE2()) {
1783 Object hint = FontConfigManager.getFontConfigAAHint();
1784 if (hint != null) {
1785 /* set the fontconfig/KDE property so that
1786 * getDesktopHints() below will see it
1787 * and set the public property.
1788 */
1789 desktopProperties.put(UNIXToolkit.FONTCONFIGAAHINT,
1790 hint);
1791 }
1792 }
1793 desktopProperties.put(SunToolkit.DESKTOPFONTHINTS,
1794 SunToolkit.getDesktopFontHints());
1795 }
1796
1797 return true;
1798 }
1799 }
1800 return false;
1801 }
1802
1803 private void loadXSettings() {
1804 xs = new XAWTXSettings();
1805 }
1806
1807 /**
1808 * Callback from the native side indicating some, or all, of the
1809 * desktop properties have changed and need to be reloaded.
1810 * {@code data} is the byte array directly from the x server and
1811 * may be in little endian format.
1812 * <p>
1813 * NB: This could be called from any thread if triggered by
1814 * {@code loadXSettings}. It is called from the System EDT
1815 * if triggered by an XSETTINGS change.
1816 */
1817 void parseXSettings(int screen_XXX_ignored,Map<String, Object> updatedSettings) {
1818
1819 if (updatedSettings == null || updatedSettings.isEmpty()) {
1820 return;
1821 }
1822
1823 Iterator<Map.Entry<String, Object>> i = updatedSettings.entrySet().iterator();
1824 while (i.hasNext()) {
1825 Map.Entry<String, Object> e = i.next();
1826 String name = e.getKey();
1827
1828 name = "gnome." + name;
1829 setDesktopProperty(name, e.getValue());
1830 if (log.isLoggable(PlatformLogger.Level.FINE)) {
1831 log.fine("name = " + name + " value = " + e.getValue());
1832 }
1833
1834 // XXX: we probably want to do something smarter. In
1835 // particular, "Net" properties are of interest to the
1836 // "core" AWT itself. E.g.
1837 //
1838 // Net/DndDragThreshold -> ???
1839 // Net/DoubleClickTime -> awt.multiClickInterval
1840 }
1841
1842 setDesktopProperty(SunToolkit.DESKTOPFONTHINTS,
1843 SunToolkit.getDesktopFontHints());
1844
1845 Integer dragThreshold = null;
1846 synchronized (this) {
1847 dragThreshold = (Integer)desktopProperties.get("gnome.Net/DndDragThreshold");
1848 }
1849 if (dragThreshold != null) {
1850 setDesktopProperty("DnD.gestureMotionThreshold", dragThreshold);
1851 }
1852
1853 }
1854
1855
1856
1857 static int altMask;
1858 static int metaMask;
1859 static int numLockMask;
1860 static int modeSwitchMask;
1861 static int modLockIsShiftLock;
1862
1863 /* Like XKeysymToKeycode, but ensures that keysym is the primary
1864 * symbol on the keycode returned. Returns zero otherwise.
1865 */
1866 static int keysymToPrimaryKeycode(long sym) {
1867 awtLock();
1868 try {
1869 int code = XlibWrapper.XKeysymToKeycode(getDisplay(), sym);
1870 if (code == 0) {
1871 return 0;
1872 }
1873 long primary = XlibWrapper.XKeycodeToKeysym(getDisplay(), code, 0);
1874 if (sym != primary) {
1875 return 0;
1876 }
1877 return code;
1878 } finally {
1879 awtUnlock();
1880 }
1881 }
1882 static boolean getModifierState( int jkc ) {
1883 int iKeyMask = 0;
1884 long ks = XKeysym.javaKeycode2Keysym( jkc );
1885 int kc = XlibWrapper.XKeysymToKeycode(getDisplay(), ks);
1886 if (kc == 0) {
1887 return false;
1888 }
1889 awtLock();
1890 try {
1891 XModifierKeymap modmap = new XModifierKeymap(
1892 XlibWrapper.XGetModifierMapping(getDisplay()));
1893
1894 int nkeys = modmap.get_max_keypermod();
1895
1896 long map_ptr = modmap.get_modifiermap();
1897 for( int k = 0; k < 8; k++ ) {
1898 for (int i = 0; i < nkeys; ++i) {
1899 int keycode = Native.getUByte(map_ptr, k * nkeys + i);
1900 if (keycode == 0) {
1901 continue; // ignore zero keycode
1902 }
1903 if (kc == keycode) {
1904 iKeyMask = 1 << k;
1905 break;
1906 }
1907 }
1908 if( iKeyMask != 0 ) {
1909 break;
1910 }
1911 }
1912 XlibWrapper.XFreeModifiermap(modmap.pData);
1913 if (iKeyMask == 0 ) {
1914 return false;
1915 }
1916 // Now we know to which modifier is assigned the keycode
1917 // correspondent to the keysym correspondent to the java
1918 // keycode. We are going to check a state of this modifier.
1919 // If a modifier is a weird one, we cannot help it.
1920 long window = 0;
1921 try{
1922 // get any application window
1923 window = winMap.firstKey().longValue();
1924 }catch(NoSuchElementException nex) {
1925 // get root window
1926 window = getDefaultRootWindow();
1927 }
1928 boolean res = XlibWrapper.XQueryPointer(getDisplay(), window,
1929 XlibWrapper.larg1, //root
1930 XlibWrapper.larg2, //child
1931 XlibWrapper.larg3, //root_x
1932 XlibWrapper.larg4, //root_y
1933 XlibWrapper.larg5, //child_x
1934 XlibWrapper.larg6, //child_y
1935 XlibWrapper.larg7);//mask
1936 int mask = Native.getInt(XlibWrapper.larg7);
1937 return ((mask & iKeyMask) != 0);
1938 } finally {
1939 awtUnlock();
1940 }
1941 }
1942
1943 /* Assign meaning - alt, meta, etc. - to X modifiers mod1 ... mod5.
1944 * Only consider primary symbols on keycodes attached to modifiers.
1945 */
1946 static void setupModifierMap() {
1947 final int metaL = keysymToPrimaryKeycode(XKeySymConstants.XK_Meta_L);
1948 final int metaR = keysymToPrimaryKeycode(XKeySymConstants.XK_Meta_R);
1949 final int altL = keysymToPrimaryKeycode(XKeySymConstants.XK_Alt_L);
1950 final int altR = keysymToPrimaryKeycode(XKeySymConstants.XK_Alt_R);
1951 final int numLock = keysymToPrimaryKeycode(XKeySymConstants.XK_Num_Lock);
1952 final int modeSwitch = keysymToPrimaryKeycode(XKeySymConstants.XK_Mode_switch);
1953 final int shiftLock = keysymToPrimaryKeycode(XKeySymConstants.XK_Shift_Lock);
1954 final int capsLock = keysymToPrimaryKeycode(XKeySymConstants.XK_Caps_Lock);
1955
1956 final int[] modmask = { XConstants.ShiftMask, XConstants.LockMask, XConstants.ControlMask, XConstants.Mod1Mask,
1957 XConstants.Mod2Mask, XConstants.Mod3Mask, XConstants.Mod4Mask, XConstants.Mod5Mask };
1958
1959 log.fine("In setupModifierMap");
1960 awtLock();
1961 try {
1962 XModifierKeymap modmap = new XModifierKeymap(
1963 XlibWrapper.XGetModifierMapping(getDisplay()));
1964
1965 int nkeys = modmap.get_max_keypermod();
1966
1967 long map_ptr = modmap.get_modifiermap();
1968
1969 for (int modn = XConstants.Mod1MapIndex;
1970 modn <= XConstants.Mod5MapIndex;
1971 ++modn)
1972 {
1973 for (int i = 0; i < nkeys; ++i) {
1974 /* for each keycode attached to this modifier */
1975 int keycode = Native.getUByte(map_ptr, modn * nkeys + i);
1976
1977 if (keycode == 0) {
1978 break;
1979 }
1980 if (metaMask == 0 &&
1981 (keycode == metaL || keycode == metaR))
1982 {
1983 metaMask = modmask[modn];
1984 break;
1985 }
1986 if (altMask == 0 && (keycode == altL || keycode == altR)) {
1987 altMask = modmask[modn];
1988 break;
1989 }
1990 if (numLockMask == 0 && keycode == numLock) {
1991 numLockMask = modmask[modn];
1992 break;
1993 }
1994 if (modeSwitchMask == 0 && keycode == modeSwitch) {
1995 modeSwitchMask = modmask[modn];
1996 break;
1997 }
1998 continue;
1999 }
2000 }
2001 modLockIsShiftLock = 0;
2002 for (int j = 0; j < nkeys; ++j) {
2003 int keycode = Native.getUByte(map_ptr, XConstants.LockMapIndex * nkeys + j);
2004 if (keycode == 0) {
2005 break;
2006 }
2007 if (keycode == shiftLock) {
2008 modLockIsShiftLock = 1;
2009 break;
2010 }
2011 if (keycode == capsLock) {
2012 break;
2013 }
2014 }
2015 XlibWrapper.XFreeModifiermap(modmap.pData);
2016 } finally {
2017 awtUnlock();
2018 }
2019 if (log.isLoggable(PlatformLogger.Level.FINE)) {
2020 log.fine("metaMask = " + metaMask);
2021 log.fine("altMask = " + altMask);
2022 log.fine("numLockMask = " + numLockMask);
2023 log.fine("modeSwitchMask = " + modeSwitchMask);
2024 log.fine("modLockIsShiftLock = " + modLockIsShiftLock);
2025 }
2026 }
2027
2028
2029 private static SortedMap<Long, java.util.List<Runnable>> timeoutTasks;
2030
2031 /**
2032 * Removed the task from the list of waiting-to-be called tasks.
2033 * If the task has been scheduled several times removes only first one.
2034 */
2035 static void remove(Runnable task) {
2036 if (task == null) {
2037 throw new NullPointerException("task is null");
2038 }
2039 awtLock();
2040 try {
2041 if (timeoutTaskLog.isLoggable(PlatformLogger.Level.FINER)) {
2042 timeoutTaskLog.finer("Removing task " + task);
2043 }
2044 if (timeoutTasks == null) {
2045 if (timeoutTaskLog.isLoggable(PlatformLogger.Level.FINER)) {
2046 timeoutTaskLog.finer("Task is not scheduled");
2047 }
2048 return;
2049 }
2050 Collection<java.util.List<Runnable>> values = timeoutTasks.values();
2051 Iterator<java.util.List<Runnable>> iter = values.iterator();
2052 while (iter.hasNext()) {
2053 java.util.List<Runnable> list = iter.next();
2054 boolean removed = false;
2055 if (list.contains(task)) {
2056 list.remove(task);
2057 if (list.isEmpty()) {
2058 iter.remove();
2059 }
2060 break;
2061 }
2062 }
2063 } finally {
2064 awtUnlock();
2065 }
2066 }
2067
2068 static native void wakeup_poll();
2069
2070 /**
2071 * Registers a Runnable which {@code run()} method will be called
2072 * once on the toolkit thread when a specified interval of time elapses.
2073 *
2074 * @param task a Runnable which {@code run} method will be called
2075 * on the toolkit thread when {@code interval} milliseconds
2076 * elapse
2077 * @param interval an interal in milliseconds
2078 *
2079 * @throws NullPointerException if {@code task} is {@code null}
2080 * @throws IllegalArgumentException if {@code interval} is not positive
2081 */
2082 static void schedule(Runnable task, long interval) {
2083 if (task == null) {
2084 throw new NullPointerException("task is null");
2085 }
2086 if (interval <= 0) {
2087 throw new IllegalArgumentException("interval " + interval + " is not positive");
2088 }
2089
2090 awtLock();
2091 try {
2092 if (timeoutTaskLog.isLoggable(PlatformLogger.Level.FINER)) {
2093 timeoutTaskLog.finer("XToolkit.schedule(): current time={0}" +
2094 "; interval={1}" +
2095 "; task being added={2}" + "; tasks before addition={3}",
2096 Long.valueOf(System.currentTimeMillis()), Long.valueOf(interval), task, timeoutTasks);
2097 }
2098
2099 if (timeoutTasks == null) {
2100 timeoutTasks = new TreeMap<>();
2101 }
2102
2103 Long time = Long.valueOf(System.currentTimeMillis() + interval);
2104 java.util.List<Runnable> tasks = timeoutTasks.get(time);
2105 if (tasks == null) {
2106 tasks = new ArrayList<>(1);
2107 timeoutTasks.put(time, tasks);
2108 }
2109 tasks.add(task);
2110
2111
2112 if (timeoutTasks.get(timeoutTasks.firstKey()) == tasks && tasks.size() == 1) {
2113 // Added task became first task - poll won't know
2114 // about it so we need to wake it up
2115 wakeup_poll();
2116 }
2117 } finally {
2118 awtUnlock();
2119 }
2120 }
2121
2122 private long getNextTaskTime() {
2123 awtLock();
2124 try {
2125 if (timeoutTasks == null || timeoutTasks.isEmpty()) {
2126 return -1L;
2127 }
2128 return timeoutTasks.firstKey();
2129 } finally {
2130 awtUnlock();
2131 }
2132 }
2133
2134 /**
2135 * Executes mature timeout tasks registered with schedule().
2136 * Called from run() under awtLock.
2137 */
2138 private static void callTimeoutTasks() {
2139 if (timeoutTaskLog.isLoggable(PlatformLogger.Level.FINER)) {
2140 timeoutTaskLog.finer("XToolkit.callTimeoutTasks(): current time={0}" +
2141 "; tasks={1}", Long.valueOf(System.currentTimeMillis()), timeoutTasks);
2142 }
2143
2144 if (timeoutTasks == null || timeoutTasks.isEmpty()) {
2145 return;
2146 }
2147
2148 Long currentTime = Long.valueOf(System.currentTimeMillis());
2149 Long time = timeoutTasks.firstKey();
2150
2151 while (time.compareTo(currentTime) <= 0) {
2152 java.util.List<Runnable> tasks = timeoutTasks.remove(time);
2153
2154 for (Iterator<Runnable> iter = tasks.iterator(); iter.hasNext();) {
2155 Runnable task = iter.next();
2156
2157 if (timeoutTaskLog.isLoggable(PlatformLogger.Level.FINER)) {
2158 timeoutTaskLog.finer("XToolkit.callTimeoutTasks(): current time={0}" +
2159 "; about to run task={1}", Long.valueOf(currentTime), task);
2160 }
2161
2162 try {
2163 task.run();
2164 } catch (ThreadDeath td) {
2165 throw td;
2166 } catch (Throwable thr) {
2167 processException(thr);
2168 }
2169 }
2170
2171 if (timeoutTasks.isEmpty()) {
2172 break;
2173 }
2174 time = timeoutTasks.firstKey();
2175 }
2176 }
2177
2178 static long getAwtDefaultFg() {
2179 return awt_defaultFg;
2180 }
2181
2182 static boolean isLeftMouseButton(MouseEvent me) {
2183 switch (me.getID()) {
2184 case MouseEvent.MOUSE_PRESSED:
2185 case MouseEvent.MOUSE_RELEASED:
2186 return (me.getButton() == MouseEvent.BUTTON1);
2187 case MouseEvent.MOUSE_ENTERED:
2188 case MouseEvent.MOUSE_EXITED:
2189 case MouseEvent.MOUSE_CLICKED:
2190 case MouseEvent.MOUSE_DRAGGED:
2191 return ((me.getModifiersEx() & InputEvent.BUTTON1_DOWN_MASK) != 0);
2192 }
2193 return false;
2194 }
2195
2196 static boolean isRightMouseButton(MouseEvent me) {
2197 int numButtons = ((Integer)getDefaultToolkit().getDesktopProperty("awt.mouse.numButtons")).intValue();
2198 switch (me.getID()) {
2199 case MouseEvent.MOUSE_PRESSED:
2200 case MouseEvent.MOUSE_RELEASED:
2201 return ((numButtons == 2 && me.getButton() == MouseEvent.BUTTON2) ||
2202 (numButtons > 2 && me.getButton() == MouseEvent.BUTTON3));
2203 case MouseEvent.MOUSE_ENTERED:
2204 case MouseEvent.MOUSE_EXITED:
2205 case MouseEvent.MOUSE_CLICKED:
2206 case MouseEvent.MOUSE_DRAGGED:
2207 return ((numButtons == 2 && (me.getModifiersEx() & InputEvent.BUTTON2_DOWN_MASK) != 0) ||
2208 (numButtons > 2 && (me.getModifiersEx() & InputEvent.BUTTON3_DOWN_MASK) != 0));
2209 }
2210 return false;
2211 }
2212
2213 static long reset_time_utc;
2214 static final long WRAP_TIME_MILLIS = 0x00000000FFFFFFFFL;
2215
2216 /*
2217 * This function converts between the X server time (number of milliseconds
2218 * since the last server reset) and the UTC time for the 'when' field of an
2219 * InputEvent (or another event type with a timestamp).
2220 */
2221 static long nowMillisUTC_offset(long server_offset) {
2222 // ported from awt_util.c
2223 /*
2224 * Because Time is of type 'unsigned long', it is possible that Time will
2225 * never wrap when using 64-bit Xlib. However, if a 64-bit client
2226 * connects to a 32-bit server, I suspect the values will still wrap. So
2227 * we should not attempt to remove the wrap checking even if _LP64 is
2228 * true.
2229 */
2230
2231 long current_time_utc = System.currentTimeMillis();
2232 if (log.isLoggable(PlatformLogger.Level.FINER)) {
2233 log.finer("reset_time=" + reset_time_utc + ", current_time=" + current_time_utc
2234 + ", server_offset=" + server_offset + ", wrap_time=" + WRAP_TIME_MILLIS);
2235 }
2236
2237 if ((current_time_utc - reset_time_utc) > WRAP_TIME_MILLIS) {
2238 reset_time_utc = System.currentTimeMillis() - getCurrentServerTime();
2239 }
2240
2241 if (log.isLoggable(PlatformLogger.Level.FINER)) {
2242 log.finer("result = " + (reset_time_utc + server_offset));
2243 }
2244 return reset_time_utc + server_offset;
2245 }
2246
2247 /**
2248 * @see sun.awt.SunToolkit#needsXEmbedImpl
2249 */
2250 @Override
2251 protected boolean needsXEmbedImpl() {
2252 // XToolkit implements supports for XEmbed-client protocol and
2253 // requires the supports from the embedding host for it to work.
2254 return true;
2255 }
2256
2257 @Override
2258 public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
2259 return (modalityType == null) ||
2260 (modalityType == Dialog.ModalityType.MODELESS) ||
2261 (modalityType == Dialog.ModalityType.DOCUMENT_MODAL) ||
2262 (modalityType == Dialog.ModalityType.APPLICATION_MODAL) ||
2263 (modalityType == Dialog.ModalityType.TOOLKIT_MODAL);
2264 }
2265
2266 @Override
2267 public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {
2268 return (exclusionType == null) ||
2269 (exclusionType == Dialog.ModalExclusionType.NO_EXCLUDE) ||
2270 (exclusionType == Dialog.ModalExclusionType.APPLICATION_EXCLUDE) ||
2271 (exclusionType == Dialog.ModalExclusionType.TOOLKIT_EXCLUDE);
2272 }
2273
2274 static EventQueue getEventQueue(Object target) {
2275 AppContext appContext = targetToAppContext(target);
2276 if (appContext != null) {
2277 return (EventQueue)appContext.get(AppContext.EVENT_QUEUE_KEY);
2278 }
2279 return null;
2280 }
2281
2282 static void removeSourceEvents(EventQueue queue,
2283 Object source,
2284 boolean removeAllEvents) {
2285 AWTAccessor.getEventQueueAccessor()
2286 .removeSourceEvents(queue, source, removeAllEvents);
2287 }
2288
2289 @Override
2290 public boolean isAlwaysOnTopSupported() {
2291 for (XLayerProtocol proto : XWM.getWM().getProtocols(XLayerProtocol.class)) {
2292 if (proto.supportsLayer(XLayerProtocol.LAYER_ALWAYS_ON_TOP)) {
2293 return true;
2294 }
2295 }
2296 return false;
2297 }
2298
2299 @Override
2300 public boolean useBufferPerWindow() {
2301 return XToolkit.getBackingStoreType() == XConstants.NotUseful;
2302 }
2303
2304 /**
2305 * Returns one of XConstants: NotUseful, WhenMapped or Always.
2306 * If backing store is not available on at least one screen, or
2307 * the string system property "sun.awt.backingStore" is neither "Always"
2308 * nor "WhenMapped", then the method returns XConstants.NotUseful.
2309 * Otherwise, if the system property "sun.awt.backingStore" is "WhenMapped",
2310 * then the method returns XConstants.WhenMapped.
2311 * Otherwise (i.e., if the system property "sun.awt.backingStore" is "Always"),
2312 * the method returns XConstants.Always.
2313 */
2314 static int getBackingStoreType() {
2315 return backingStoreType;
2316 }
2317
2318 private static void setBackingStoreType() {
2319 String prop = AccessController.doPrivileged(
2320 new sun.security.action.GetPropertyAction("sun.awt.backingStore"));
2321
2322 if (prop == null) {
2323 backingStoreType = XConstants.NotUseful;
2324 if (backingStoreLog.isLoggable(PlatformLogger.Level.CONFIG)) {
2325 backingStoreLog.config("The system property sun.awt.backingStore is not set" +
2326 ", by default backingStore=NotUseful");
2327 }
2328 return;
2329 }
2330
2331 if (backingStoreLog.isLoggable(PlatformLogger.Level.CONFIG)) {
2332 backingStoreLog.config("The system property sun.awt.backingStore is " + prop);
2333 }
2334 prop = prop.toLowerCase();
2335 if (prop.equals("always")) {
2336 backingStoreType = XConstants.Always;
2337 } else if (prop.equals("whenmapped")) {
2338 backingStoreType = XConstants.WhenMapped;
2339 } else {
2340 backingStoreType = XConstants.NotUseful;
2341 }
2342
2343 if (backingStoreLog.isLoggable(PlatformLogger.Level.CONFIG)) {
2344 backingStoreLog.config("backingStore(as provided by the system property)=" +
2345 ( backingStoreType == XConstants.NotUseful ? "NotUseful"
2346 : backingStoreType == XConstants.WhenMapped ?
2347 "WhenMapped" : "Always") );
2348 }
2349
2350 awtLock();
2351 try {
2352 int screenCount = XlibWrapper.ScreenCount(getDisplay());
2353 for (int i = 0; i < screenCount; i++) {
2354 if (XlibWrapper.DoesBackingStore(XlibWrapper.ScreenOfDisplay(getDisplay(), i))
2355 == XConstants.NotUseful) {
2356 backingStoreType = XConstants.NotUseful;
2357
2358 if (backingStoreLog.isLoggable(PlatformLogger.Level.CONFIG)) {
2359 backingStoreLog.config("Backing store is not available on the screen " +
2360 i + ", backingStore=NotUseful");
2361 }
2362
2363 return;
2364 }
2365 }
2366 } finally {
2367 awtUnlock();
2368 }
2369 }
2370
2371 /**
2372 * One of XConstants: NotUseful, WhenMapped or Always.
2373 */
2374 private static int backingStoreType;
2375
2376 static final int XSUN_KP_BEHAVIOR = 1;
2377 static final int XORG_KP_BEHAVIOR = 2;
2378 static final int IS_SUN_KEYBOARD = 1;
2379 static final int IS_NONSUN_KEYBOARD = 2;
2380 static final int IS_KANA_KEYBOARD = 1;
2381 static final int IS_NONKANA_KEYBOARD = 2;
2382
2383
2384 static int awt_IsXsunKPBehavior = 0;
2385 static boolean awt_UseXKB = false;
2386 static boolean awt_UseXKB_Calls = false;
2387 static int awt_XKBBaseEventCode = 0;
2388 static int awt_XKBEffectiveGroup = 0; // so far, I don't use it leaving all calculations
2389 // to XkbTranslateKeyCode
2390 static long awt_XKBDescPtr = 0;
2391
2392 /**
2393 * Check for Xsun convention regarding numpad keys.
2394 * Xsun and some other servers (i.e. derived from Xsun)
2395 * under certain conditions process numpad keys unlike Xorg.
2396 */
2397 static boolean isXsunKPBehavior() {
2398 awtLock();
2399 try {
2400 if( awt_IsXsunKPBehavior == 0 ) {
2401 if( XlibWrapper.IsXsunKPBehavior(getDisplay()) ) {
2402 awt_IsXsunKPBehavior = XSUN_KP_BEHAVIOR;
2403 }else{
2404 awt_IsXsunKPBehavior = XORG_KP_BEHAVIOR;
2405 }
2406 }
2407 return awt_IsXsunKPBehavior == XSUN_KP_BEHAVIOR ? true : false;
2408 } finally {
2409 awtUnlock();
2410 }
2411 }
2412
2413 static int sunOrNotKeyboard = 0;
2414 static int kanaOrNotKeyboard = 0;
2415 static void resetKeyboardSniffer() {
2416 sunOrNotKeyboard = 0;
2417 kanaOrNotKeyboard = 0;
2418 }
2419 static boolean isSunKeyboard() {
2420 if( sunOrNotKeyboard == 0 ) {
2421 if( XlibWrapper.IsSunKeyboard( getDisplay() )) {
2422 sunOrNotKeyboard = IS_SUN_KEYBOARD;
2423 }else{
2424 sunOrNotKeyboard = IS_NONSUN_KEYBOARD;
2425 }
2426 }
2427 return (sunOrNotKeyboard == IS_SUN_KEYBOARD);
2428 }
2429 static boolean isKanaKeyboard() {
2430 if( kanaOrNotKeyboard == 0 ) {
2431 if( XlibWrapper.IsKanaKeyboard( getDisplay() )) {
2432 kanaOrNotKeyboard = IS_KANA_KEYBOARD;
2433 }else{
2434 kanaOrNotKeyboard = IS_NONKANA_KEYBOARD;
2435 }
2436 }
2437 return (kanaOrNotKeyboard == IS_KANA_KEYBOARD);
2438 }
2439 static boolean isXKBenabled() {
2440 awtLock();
2441 try {
2442 return awt_UseXKB;
2443 } finally {
2444 awtUnlock();
2445 }
2446 }
2447
2448 /**
2449 Query XKEYBOARD extension.
2450 If possible, initialize xkb library.
2451 */
2452 static boolean tryXKB() {
2453 awtLock();
2454 try {
2455 String name = "XKEYBOARD";
2456 // First, if there is extension at all.
2457 awt_UseXKB = XlibWrapper.XQueryExtension( getDisplay(), name, XlibWrapper.larg1, XlibWrapper.larg2, XlibWrapper.larg3);
2458 if( awt_UseXKB ) {
2459 // There is a keyboard extension. Check if a client library is compatible.
2460 // If not, don't use xkb calls.
2461 // In this case we still may be Xkb-capable application.
2462 awt_UseXKB_Calls = XlibWrapper.XkbLibraryVersion( XlibWrapper.larg1, XlibWrapper.larg2);
2463 if( awt_UseXKB_Calls ) {
2464 awt_UseXKB_Calls = XlibWrapper.XkbQueryExtension( getDisplay(), XlibWrapper.larg1, XlibWrapper.larg2,
2465 XlibWrapper.larg3, XlibWrapper.larg4, XlibWrapper.larg5);
2466 if( awt_UseXKB_Calls ) {
2467 awt_XKBBaseEventCode = Native.getInt(XlibWrapper.larg2);
2468 XlibWrapper.XkbSelectEvents (getDisplay(),
2469 XConstants.XkbUseCoreKbd,
2470 XConstants.XkbNewKeyboardNotifyMask |
2471 XConstants.XkbMapNotifyMask ,//|
2472 //XConstants.XkbStateNotifyMask,
2473 XConstants.XkbNewKeyboardNotifyMask |
2474 XConstants.XkbMapNotifyMask );//|
2475 //XConstants.XkbStateNotifyMask);
2476
2477 XlibWrapper.XkbSelectEventDetails(getDisplay(), XConstants.XkbUseCoreKbd,
2478 XConstants.XkbStateNotify,
2479 XConstants.XkbGroupStateMask,
2480 XConstants.XkbGroupStateMask);
2481 //XXX ? XkbGroupLockMask last, XkbAllStateComponentsMask before last?
2482 awt_XKBDescPtr = XlibWrapper.XkbGetMap(getDisplay(),
2483 XConstants.XkbKeyTypesMask |
2484 XConstants.XkbKeySymsMask |
2485 XConstants.XkbModifierMapMask |
2486 XConstants.XkbVirtualModsMask,
2487 XConstants.XkbUseCoreKbd);
2488
2489 XlibWrapper.XkbSetDetectableAutoRepeat(getDisplay(), true);
2490 }
2491 }
2492 }
2493 return awt_UseXKB;
2494 } finally {
2495 awtUnlock();
2496 }
2497 }
2498 static boolean canUseXKBCalls() {
2499 awtLock();
2500 try {
2501 return awt_UseXKB_Calls;
2502 } finally {
2503 awtUnlock();
2504 }
2505 }
2506 static int getXKBEffectiveGroup() {
2507 awtLock();
2508 try {
2509 return awt_XKBEffectiveGroup;
2510 } finally {
2511 awtUnlock();
2512 }
2513 }
2514 static int getXKBBaseEventCode() {
2515 awtLock();
2516 try {
2517 return awt_XKBBaseEventCode;
2518 } finally {
2519 awtUnlock();
2520 }
2521 }
2522 static long getXKBKbdDesc() {
2523 awtLock();
2524 try {
2525 return awt_XKBDescPtr;
2526 } finally {
2527 awtUnlock();
2528 }
2529 }
2530 void freeXKB() {
2531 awtLock();
2532 try {
2533 if (awt_UseXKB_Calls && awt_XKBDescPtr != 0) {
2534 XlibWrapper.XkbFreeKeyboard(awt_XKBDescPtr, 0xFF, true);
2535 awt_XKBDescPtr = 0;
2536 }
2537 } finally {
2538 awtUnlock();
2539 }
2540 }
2541 private void processXkbChanges(XEvent ev) {
2542 // mapping change --> refresh kbd map
2543 // state change --> get a new effective group; do I really need it
2544 // or that should be left for XkbTranslateKeyCode?
2545 XkbEvent xke = new XkbEvent( ev.getPData() );
2546 int xkb_type = xke.get_any().get_xkb_type();
2547 switch( xkb_type ) {
2548 case XConstants.XkbNewKeyboardNotify :
2549 if( awt_XKBDescPtr != 0 ) {
2550 freeXKB();
2551 }
2552 awt_XKBDescPtr = XlibWrapper.XkbGetMap(getDisplay(),
2553 XConstants.XkbKeyTypesMask |
2554 XConstants.XkbKeySymsMask |
2555 XConstants.XkbModifierMapMask |
2556 XConstants.XkbVirtualModsMask,
2557 XConstants.XkbUseCoreKbd);
2558 //System.out.println("XkbNewKeyboard:"+(xke.get_new_kbd()));
2559 break;
2560 case XConstants.XkbMapNotify :
2561 //TODO: provide a simple unit test.
2562 XlibWrapper.XkbGetUpdatedMap(getDisplay(),
2563 XConstants.XkbKeyTypesMask |
2564 XConstants.XkbKeySymsMask |
2565 XConstants.XkbModifierMapMask |
2566 XConstants.XkbVirtualModsMask,
2567 awt_XKBDescPtr);
2568 //System.out.println("XkbMap:"+(xke.get_map()));
2569 break;
2570 case XConstants.XkbStateNotify :
2571 // May use it later e.g. to obtain an effective group etc.
2572 //System.out.println("XkbState:"+(xke.get_state()));
2573 break;
2574 default:
2575 //System.out.println("XkbEvent of xkb_type "+xkb_type);
2576 break;
2577 }
2578 }
2579
2580 private static long eventNumber;
2581 public static long getEventNumber() {
2582 awtLock();
2583 try {
2584 return eventNumber;
2585 } finally {
2586 awtUnlock();
2587 }
2588 }
2589
2590 private static XEventDispatcher oops_waiter;
2591 private static boolean oops_updated;
2592 private static int oops_position = 0;
2593
2594 /**
2595 * @inheritDoc
2596 */
2597 @Override
2598 protected boolean syncNativeQueue(final long timeout) {
2599 XBaseWindow win = XBaseWindow.getXAWTRootWindow();
2600
2601 if (oops_waiter == null) {
2602 oops_waiter = new XEventDispatcher() {
2603 @Override
2604 public void dispatchEvent(XEvent e) {
2605 if (e.get_type() == XConstants.ConfigureNotify) {
2606 // OOPS ConfigureNotify event catched
2607 oops_updated = true;
2608 awtLockNotifyAll();
2609 }
2610 }
2611 };
2612 }
2613
2614 awtLock();
2615 try {
2616 addEventDispatcher(win.getWindow(), oops_waiter);
2617
2618 oops_updated = false;
2619 long event_number = getEventNumber();
2620 // Generate OOPS ConfigureNotify event
2621 XlibWrapper.XMoveWindow(getDisplay(), win.getWindow(),
2622 win.scaleUp(++oops_position), 0);
2623 // Change win position each time to avoid system optimization
2624 if (oops_position > 50) {
2625 oops_position = 0;
2626 }
2627
2628 XSync();
2629
2630 eventLog.finer("Generated OOPS ConfigureNotify event");
2631
2632 long start = System.currentTimeMillis();
2633 while (!oops_updated) {
2634 try {
2635 // Wait for OOPS ConfigureNotify event
2636 awtLockWait(timeout);
2637 } catch (InterruptedException e) {
2638 throw new RuntimeException(e);
2639 }
2640 // This "while" is a protection from spurious
2641 // wake-ups. However, we shouldn't wait for too long
2642 if ((System.currentTimeMillis() - start > timeout) && timeout >= 0) {
2643 throw new OperationTimedOut(Long.toString(System.currentTimeMillis() - start));
2644 }
2645 }
2646 // Don't take into account OOPS ConfigureNotify event
2647 return getEventNumber() - event_number > 1;
2648 } finally {
2649 removeEventDispatcher(win.getWindow(), oops_waiter);
2650 eventLog.finer("Exiting syncNativeQueue");
2651 awtUnlock();
2652 }
2653 }
2654 @Override
2655 public void grab(Window w) {
2656 final Object peer = AWTAccessor.getComponentAccessor().getPeer(w);
2657 if (peer != null) {
2658 ((XWindowPeer) peer).setGrab(true);
2659 }
2660 }
2661
2662 @Override
2663 public void ungrab(Window w) {
2664 final Object peer = AWTAccessor.getComponentAccessor().getPeer(w);
2665 if (peer != null) {
2666 ((XWindowPeer) peer).setGrab(false);
2667 }
2668 }
2669 /**
2670 * Returns if the java.awt.Desktop class is supported on the current
2671 * desktop.
2672 * <p>
2673 * The methods of java.awt.Desktop class are supported on the Gnome desktop.
2674 * Check if the running desktop is Gnome by checking the window manager.
2675 */
2676 @Override
2677 public boolean isDesktopSupported(){
2678 return XDesktopPeer.isDesktopSupported();
2679 }
2680
2681 @Override
2682 public DesktopPeer createDesktopPeer(Desktop target){
2683 return new XDesktopPeer();
2684 }
2685
2686 @Override
2687 public boolean isTaskbarSupported(){
2688 return XTaskbarPeer.isTaskbarSupported();
2689 }
2690
2691 @Override
2692 public TaskbarPeer createTaskbarPeer(Taskbar target){
2693 return new XTaskbarPeer();
2694 }
2695
2696 @Override
2697 public boolean areExtraMouseButtonsEnabled() throws HeadlessException {
2698 return areExtraMouseButtonsEnabled;
2699 }
2700
2701 @Override
2702 public boolean isWindowOpacitySupported() {
2703 XNETProtocol net_protocol = XWM.getWM().getNETProtocol();
2704
2705 if (net_protocol == null) {
2706 return false;
2707 }
2708
2709 return net_protocol.doOpacityProtocol();
2710 }
2711
2712 @Override
2713 public boolean isWindowShapingSupported() {
2714 return XlibUtil.isShapingSupported();
2715 }
2716
2717 @Override
2718 public boolean isWindowTranslucencySupported() {
2719 //NOTE: it may not be supported. The actual check is being performed
2720 // at java.awt.GraphicsDevice. In X11 we need to check
2721 // whether there's any translucency-capable GC available.
2722 return true;
2723 }
2724
2725 @Override
2726 public boolean isTranslucencyCapable(GraphicsConfiguration gc) {
2727 if (!(gc instanceof X11GraphicsConfig)) {
2728 return false;
2729 }
2730 return ((X11GraphicsConfig)gc).isTranslucencyCapable();
2731 }
2732
2733 /**
2734 * Returns the value of "sun.awt.disablegrab" property. Default
2735 * value is {@code false}.
2736 */
2737 public static boolean getSunAwtDisableGrab() {
2738 return AccessController.doPrivileged(new GetBooleanAction("sun.awt.disablegrab"));
2739 }
2740 }