1 /*
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.lwawt.macosx;
27
28 import java.awt.*;
29 import java.awt.datatransfer.Clipboard;
30 import java.awt.dnd.*;
31 import java.awt.dnd.peer.DragSourceContextPeer;
32 import java.awt.event.InputEvent;
33 import java.awt.event.InvocationEvent;
34 import java.awt.event.KeyEvent;
35 import java.awt.im.InputMethodHighlight;
36 import java.awt.peer.*;
37 import java.lang.reflect.*;
38 import java.security.*;
39 import java.util.*;
40 import java.util.concurrent.Callable;
41
42 import sun.awt.*;
43 import sun.lwawt.*;
44 import sun.lwawt.LWWindowPeer.PeerType;
45 import sun.security.action.GetBooleanAction;
46
47 import sun.util.CoreResourceBundleControl;
48
49
50 class NamedCursor extends Cursor {
51 NamedCursor(String name) {
52 super(name);
53 }
54 }
55
56 /**
57 * Mac OS X Cocoa-based AWT Toolkit.
58 */
59 public final class LWCToolkit extends LWToolkit {
60 // While it is possible to enumerate all mouse devices
61 // and query them for the number of buttons, the code
62 // that does it is rather complex. Instead, we opt for
63 // the easy way and just support up to 5 mouse buttons,
64 // like Windows.
65 private static final int BUTTONS = 5;
66
67 private static native void initIDs();
68
69 private static CInputMethodDescriptor sInputMethodDescriptor;
70
71 static {
72 System.err.flush();
73 ResourceBundle platformResources = java.security.AccessController.doPrivileged(
74 new java.security.PrivilegedAction<ResourceBundle>() {
75 public ResourceBundle run() {
76 ResourceBundle platformResources = null;
77 try {
78 platformResources =
79 ResourceBundle.getBundle("sun.awt.resources.awtosx",
80 CoreResourceBundleControl.getRBControlInstance());
81 } catch (MissingResourceException e) {
82 // No resource file; defaults will be used.
83 }
84
85 System.loadLibrary("awt");
86 System.loadLibrary("fontmanager");
87 return platformResources;
88 }
89 });
90
91 AWTAccessor.getToolkitAccessor().setPlatformResources(platformResources);
92
93 if (!GraphicsEnvironment.isHeadless()) {
94 initIDs();
95 }
96 }
97
98 public LWCToolkit() {
99 SunToolkit.setDataTransfererClassName("sun.lwawt.macosx.CDataTransferer");
100
101 areExtraMouseButtonsEnabled = Boolean.parseBoolean(System.getProperty("sun.awt.enableExtraMouseButtons", "true"));
102 //set system property if not yet assigned
103 System.setProperty("sun.awt.enableExtraMouseButtons", ""+areExtraMouseButtonsEnabled);
104 }
105
106 /*
107 * System colors with default initial values, overwritten by toolkit if system values differ and are available.
108 */
109 private final static int NUM_APPLE_COLORS = 3;
110 public final static int KEYBOARD_FOCUS_COLOR = 0;
111 public final static int INACTIVE_SELECTION_BACKGROUND_COLOR = 1;
112 public final static int INACTIVE_SELECTION_FOREGROUND_COLOR = 2;
113 private static int[] appleColors = {
114 0xFF808080, // keyboardFocusColor = Color.gray;
115 0xFFC0C0C0, // secondarySelectedControlColor
116 0xFF303030, // controlDarkShadowColor
117 };
118
119 private native void loadNativeColors(final int[] systemColors, final int[] appleColors);
120
121 protected void loadSystemColors(final int[] systemColors) {
122 if (systemColors == null) return;
123 loadNativeColors(systemColors, appleColors);
124 }
125
126 private static class AppleSpecificColor extends Color {
127 int index;
128 public AppleSpecificColor(int index) {
129 super(appleColors[index]);
130 this.index = index;
131 }
132
133 public int getRGB() {
134 return appleColors[index];
135 }
136 }
137
138 /**
139 * Returns Apple specific colors that we may expose going forward.
140 *
141 */
142 public static Color getAppleColor(int color) {
143 return new AppleSpecificColor(color);
144 }
145
146 static void systemColorsChanged() {
147 // This is only called from native code.
148 EventQueue.invokeLater(new Runnable() {
149 public void run() {
150 AccessController.doPrivileged (new PrivilegedAction<Object>() {
151 public Object run() {
152 try {
153 final Method updateColorsMethod = SystemColor.class.getDeclaredMethod("updateSystemColors", new Class[0]);
154 updateColorsMethod.setAccessible(true);
155 updateColorsMethod.invoke(null, new Object[0]);
156 } catch (final Throwable e) {
157 e.printStackTrace();
158 // swallow this if something goes horribly wrong
159 }
160 return null;
161 }
162 });
163 }
164 });
165 }
166
167 public static LWCToolkit getLWCToolkit() {
168 return (LWCToolkit)Toolkit.getDefaultToolkit();
169 }
170
171 @Override
172 protected PlatformWindow createPlatformWindow(PeerType peerType) {
173 if (peerType == PeerType.EMBEDDED_FRAME) {
174 return new CPlatformEmbeddedFrame();
175 } else if (peerType == PeerType.VIEW_EMBEDDED_FRAME) {
176 return new CViewPlatformEmbeddedFrame();
177 } else {
178 assert (peerType == PeerType.SIMPLEWINDOW || peerType == PeerType.DIALOG || peerType == PeerType.FRAME);
179 return new CPlatformWindow();
180 }
181 }
182
183 @Override
184 protected SecurityWarningWindow createSecurityWarning(Window ownerWindow, LWWindowPeer ownerPeer) {
185 return new CWarningWindow(ownerWindow, ownerPeer);
186 }
187
188 @Override
189 protected PlatformComponent createPlatformComponent() {
190 return new CPlatformComponent();
191 }
192
193 @Override
194 protected FileDialogPeer createFileDialogPeer(FileDialog target) {
195 return new CFileDialog(target);
196 }
197
198 @Override
199 public MenuPeer createMenu(Menu target) {
200 MenuPeer peer = new CMenu(target);
201 targetCreatedPeer(target, peer);
202 return peer;
203 }
204
205 @Override
206 public MenuBarPeer createMenuBar(MenuBar target) {
207 MenuBarPeer peer = new CMenuBar(target);
208 targetCreatedPeer(target, peer);
209 return peer;
210 }
211
212 @Override
213 public MenuItemPeer createMenuItem(MenuItem target) {
214 MenuItemPeer peer = new CMenuItem(target);
215 targetCreatedPeer(target, peer);
216 return peer;
217 }
218
219 @Override
220 public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target) {
221 CheckboxMenuItemPeer peer = new CCheckboxMenuItem(target);
222 targetCreatedPeer(target, peer);
223 return peer;
224 }
225
226 @Override
227 public PopupMenuPeer createPopupMenu(PopupMenu target) {
228 PopupMenuPeer peer = new CPopupMenu(target);
229 targetCreatedPeer(target, peer);
230 return peer;
231
232 }
233
234 @Override
235 public SystemTrayPeer createSystemTray(SystemTray target) {
236 SystemTrayPeer peer = new CSystemTray();
237 return peer;
238 }
239
240 @Override
241 public TrayIconPeer createTrayIcon(TrayIcon target) {
242 TrayIconPeer peer = new CTrayIcon(target);
243 targetCreatedPeer(target, peer);
244 return peer;
245 }
246
247 @Override
248 public LWCursorManager getCursorManager() {
249 return CCursorManager.getInstance();
250 }
251
252 @Override
253 public Cursor createCustomCursor(final Image cursor, final Point hotSpot, final String name) throws IndexOutOfBoundsException, HeadlessException {
254 return new CCustomCursor(cursor, hotSpot, name);
255 }
256
257 @Override
258 public Dimension getBestCursorSize(final int preferredWidth, final int preferredHeight) throws HeadlessException {
259 return CCustomCursor.getBestCursorSize(preferredWidth, preferredHeight);
260 }
261
262 @Override
263 protected void platformCleanup() {
264 // TODO Auto-generated method stub
265
266 }
267
268 @Override
269 protected void platformInit() {
270 // TODO Auto-generated method stub
271
272 }
273
274 @Override
275 protected void platformRunMessage() {
276 // TODO Auto-generated method stub
277
278 }
279
280 @Override
281 protected void platformShutdown() {
282 // TODO Auto-generated method stub
283
284 }
285
286 class OSXPlatformFont extends sun.awt.PlatformFont
287 {
288 public OSXPlatformFont(String name, int style)
289 {
290 super(name, style);
291 }
292 protected char getMissingGlyphCharacter()
293 {
294 // Follow up for real implementation
295 return (char)0xfff8; // see http://developer.apple.com/fonts/LastResortFont/
296 }
297 }
298 public FontPeer getFontPeer(String name, int style) {
299 return new OSXPlatformFont(name, style);
300 }
301
302 @Override
303 protected int getScreenHeight() {
304 return GraphicsEnvironment.getLocalGraphicsEnvironment()
305 .getDefaultScreenDevice().getDefaultConfiguration().getBounds().height;
306 }
307
308 @Override
309 protected int getScreenWidth() {
310 return GraphicsEnvironment.getLocalGraphicsEnvironment()
311 .getDefaultScreenDevice().getDefaultConfiguration().getBounds().width;
312 }
313
314 @Override
315 protected void initializeDesktopProperties() {
316 super.initializeDesktopProperties();
317 Map <Object, Object> fontHints = new HashMap<Object, Object>();
318 fontHints.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
319 fontHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
320 desktopProperties.put(SunToolkit.DESKTOPFONTHINTS, fontHints);
321 desktopProperties.put("awt.mouse.numButtons", BUTTONS);
322
323 // These DnD properties must be set, otherwise Swing ends up spewing NPEs
324 // all over the place. The values came straight off of MToolkit.
325 desktopProperties.put("DnD.Autoscroll.initialDelay", new Integer(50));
326 desktopProperties.put("DnD.Autoscroll.interval", new Integer(50));
327 desktopProperties.put("DnD.Autoscroll.cursorHysteresis", new Integer(5));
328
329 desktopProperties.put("DnD.isDragImageSupported", new Boolean(true));
330
331 // Register DnD cursors
332 desktopProperties.put("DnD.Cursor.CopyDrop", new NamedCursor("DnD.Cursor.CopyDrop"));
333 desktopProperties.put("DnD.Cursor.MoveDrop", new NamedCursor("DnD.Cursor.MoveDrop"));
334 desktopProperties.put("DnD.Cursor.LinkDrop", new NamedCursor("DnD.Cursor.LinkDrop"));
335 desktopProperties.put("DnD.Cursor.CopyNoDrop", new NamedCursor("DnD.Cursor.CopyNoDrop"));
336 desktopProperties.put("DnD.Cursor.MoveNoDrop", new NamedCursor("DnD.Cursor.MoveNoDrop"));
337 desktopProperties.put("DnD.Cursor.LinkNoDrop", new NamedCursor("DnD.Cursor.LinkNoDrop"));
338
339 }
340
341
342 /*
343 * The method returns true if some events were processed during that timeout.
344 * @see sun.awt.SunToolkit#syncNativeQueue(long)
345 */
346 @Override
347 protected boolean syncNativeQueue(long timeout) {
348 return nativeSyncQueue(timeout);
349 }
350
351 @Override
352 public native void beep();
353
354 @Override
355 public int getScreenResolution() throws HeadlessException {
356 return (int) ((CGraphicsDevice) GraphicsEnvironment
357 .getLocalGraphicsEnvironment().getDefaultScreenDevice())
358 .getXResolution();
359 }
360
361 @Override
362 public Insets getScreenInsets(final GraphicsConfiguration gc) {
363 return ((CGraphicsConfig) gc).getDevice().getScreenInsets();
364 }
365
366 @Override
367 public void sync() {
368 // TODO Auto-generated method stub
369
370 }
371
372 @Override
373 public RobotPeer createRobot(Robot target, GraphicsDevice screen) {
374 return new CRobot(target, (CGraphicsDevice)screen);
375 }
376
377 private native boolean isCapsLockOn();
378
379 /*
380 * NOTE: Among the keys this method is supposed to check,
381 * only Caps Lock works as a true locking key with OS X.
382 * There is no Scroll Lock key on modern Apple keyboards,
383 * and with a PC keyboard plugged in Scroll Lock is simply
384 * ignored: no LED lights up if you press it.
385 * The key located at the same position on Apple keyboards
386 * as Num Lock on PC keyboards is called Clear, doesn't lock
387 * anything and is used for entirely different purpose.
388 */
389 public boolean getLockingKeyState(int keyCode) throws UnsupportedOperationException {
390 switch (keyCode) {
391 case KeyEvent.VK_NUM_LOCK:
392 case KeyEvent.VK_SCROLL_LOCK:
393 case KeyEvent.VK_KANA_LOCK:
394 throw new UnsupportedOperationException("Toolkit.getLockingKeyState");
395
396 case KeyEvent.VK_CAPS_LOCK:
397 return isCapsLockOn();
398
399 default:
400 throw new IllegalArgumentException("invalid key for Toolkit.getLockingKeyState");
401 }
402 }
403
404 //Is it allowed to generate events assigned to extra mouse buttons.
405 //Set to true by default.
406 private static boolean areExtraMouseButtonsEnabled = true;
407
408 public boolean areExtraMouseButtonsEnabled() throws HeadlessException {
409 return areExtraMouseButtonsEnabled;
410 }
411
412 public int getNumberOfButtons(){
413 return BUTTONS;
414 }
415
416 @Override
417 public boolean isTraySupported() {
418 return true;
419 }
420
421 @Override
422 public boolean isAlwaysOnTopSupported() {
423 return true;
424 }
425
426 // Intended to be called from the LWCToolkit.m only.
427 private static void installToolkitThreadNameInJava() {
428 Thread.currentThread().setName(CThreading.APPKIT_THREAD_NAME);
429 }
430
431 @Override
432 public boolean isWindowOpacitySupported() {
433 return true;
434 }
435
436 @Override
437 public boolean isFrameStateSupported(int state) throws HeadlessException {
438 switch (state) {
439 case Frame.NORMAL:
440 case Frame.ICONIFIED:
441 case Frame.MAXIMIZED_BOTH:
442 return true;
443 default:
444 return false;
445 }
446 }
447
448 /**
449 * Determines which modifier key is the appropriate accelerator
450 * key for menu shortcuts.
451 * <p>
452 * Menu shortcuts, which are embodied in the
453 * <code>MenuShortcut</code> class, are handled by the
454 * <code>MenuBar</code> class.
455 * <p>
456 * By default, this method returns <code>Event.CTRL_MASK</code>.
457 * Toolkit implementations should override this method if the
458 * <b>Control</b> key isn't the correct key for accelerators.
459 * @return the modifier mask on the <code>Event</code> class
460 * that is used for menu shortcuts on this toolkit.
461 * @see java.awt.MenuBar
462 * @see java.awt.MenuShortcut
463 * @since JDK1.1
464 */
465 public int getMenuShortcutKeyMask() {
466 return Event.META_MASK;
467 }
468
469 @Override
470 public Image getImage(final String filename) {
471 final Image nsImage = checkForNSImage(filename);
472 if (nsImage != null) return nsImage;
473
474 return super.getImage(filename);
475 }
476
477 static final String nsImagePrefix = "NSImage://";
478 protected Image checkForNSImage(final String imageName) {
479 if (imageName == null) return null;
480 if (!imageName.startsWith(nsImagePrefix)) return null;
481 return CImage.getCreator().createImageFromName(imageName.substring(nsImagePrefix.length()));
482 }
483
484 // Thread-safe Object.equals() called from native
485 public static boolean doEquals(final Object a, final Object b, Component c) {
486 if (a == b) return true;
487
488 final boolean[] ret = new boolean[1];
489
490 try { invokeAndWait(new Runnable() { public void run() { synchronized(ret) {
491 ret[0] = a.equals(b);
492 }}}, c); } catch (Exception e) { e.printStackTrace(); }
493
494 synchronized(ret) { return ret[0]; }
495 }
496
497 public static <T> T invokeAndWait(final Callable<T> callable, Component component) throws Exception {
498 final CallableWrapper<T> wrapper = new CallableWrapper<T>(callable);
499 invokeAndWait(wrapper, component);
500 return wrapper.getResult();
501 }
502
503 static final class CallableWrapper<T> implements Runnable {
504 final Callable<T> callable;
505 T object;
506 Exception e;
507
508 public CallableWrapper(final Callable<T> callable) {
509 this.callable = callable;
510 }
511
512 public void run() {
513 try {
514 object = callable.call();
515 } catch (final Exception e) {
516 this.e = e;
517 }
518 }
519
520 public T getResult() throws Exception {
521 if (e != null) throw e;
522 return object;
523 }
524 }
525
526 // Kicks an event over to the appropriate eventqueue and waits for it to finish
527 // To avoid deadlocking, we manually run the NSRunLoop while waiting
528 // Any selector invoked using ThreadUtilities performOnMainThread will be processed in doAWTRunLoop
529 // The InvocationEvent will call LWCToolkit.stopAWTRunLoop() when finished, which will stop our manual runloop
530 // Does not dispatch native events while in the loop
531 public static void invokeAndWait(Runnable event, Component component) throws InterruptedException, InvocationTargetException {
532 final long mediator = createAWTRunLoopMediator();
533
534 InvocationEvent invocationEvent =
535 new InvocationEvent(component != null ? component : Toolkit.getDefaultToolkit(), event) {
536 @Override
537 public void dispatch() {
538 try {
539 super.dispatch();
540 } finally {
541 if (mediator != 0) {
542 stopAWTRunLoop(mediator);
543 }
544 }
545 }
546 };
547
548 if (component != null) {
549 AppContext appContext = SunToolkit.targetToAppContext(component);
550 SunToolkit.postEvent(appContext, invocationEvent);
551
552 // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
553 sun.awt.SunToolkitSubclass.flushPendingEvents(appContext);
554 } else {
555 // This should be the equivalent to EventQueue.invokeAndWait
556 ((LWCToolkit)Toolkit.getDefaultToolkit()).getSystemEventQueueForInvokeAndWait().postEvent(invocationEvent);
557 }
558
559 doAWTRunLoop(mediator, false);
560
561 Throwable eventException = invocationEvent.getException();
562 if (eventException != null) {
563 if (eventException instanceof UndeclaredThrowableException) {
564 eventException = ((UndeclaredThrowableException)eventException).getUndeclaredThrowable();
565 }
566 throw new InvocationTargetException(eventException);
567 }
568 }
569
570 public static void invokeLater(Runnable event, Component component) throws InvocationTargetException {
571 final InvocationEvent invocationEvent =
572 new InvocationEvent(component != null ? component : Toolkit.getDefaultToolkit(), event);
573
574 if (component != null) {
575 final AppContext appContext = SunToolkit.targetToAppContext(component);
576 SunToolkit.postEvent(appContext, invocationEvent);
577
578 // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
579 sun.awt.SunToolkitSubclass.flushPendingEvents(appContext);
580 } else {
581 // This should be the equivalent to EventQueue.invokeAndWait
582 ((LWCToolkit)Toolkit.getDefaultToolkit()).getSystemEventQueueForInvokeAndWait().postEvent(invocationEvent);
583 }
584
585 final Throwable eventException = invocationEvent.getException();
586 if (eventException == null) return;
587
588 if (eventException instanceof UndeclaredThrowableException) {
589 throw new InvocationTargetException(((UndeclaredThrowableException)eventException).getUndeclaredThrowable());
590 }
591 throw new InvocationTargetException(eventException);
592 }
593
594 // This exists purely to get around permissions issues with getSystemEventQueueImpl
595 EventQueue getSystemEventQueueForInvokeAndWait() {
596 return getSystemEventQueueImpl();
597 }
598
599
600 // DnD support
601
602 public DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException {
603 DragSourceContextPeer dscp = CDragSourceContextPeer.createDragSourceContextPeer(dge);
604
605 return dscp;
606 }
607
608 public <T extends DragGestureRecognizer> T createDragGestureRecognizer(Class<T> abstractRecognizerClass, DragSource ds, Component c, int srcActions, DragGestureListener dgl) {
609 DragGestureRecognizer dgr = null;
610
611 // Create a new mouse drag gesture recognizer if we have a class match:
612 if (MouseDragGestureRecognizer.class.equals(abstractRecognizerClass))
613 dgr = new CMouseDragGestureRecognizer(ds, c, srcActions, dgl);
614
615 return (T)dgr;
616 }
617
618 // InputMethodSupport Method
619 /**
620 * Returns the default keyboard locale of the underlying operating system
621 */
622 public Locale getDefaultKeyboardLocale() {
623 Locale locale = CInputMethod.getNativeLocale();
624
625 if (locale == null) {
626 return super.getDefaultKeyboardLocale();
627 }
628
629 return locale;
630 }
631
632 public java.awt.im.spi.InputMethodDescriptor getInputMethodAdapterDescriptor() {
633 if (sInputMethodDescriptor == null)
634 sInputMethodDescriptor = new CInputMethodDescriptor();
635
636 return sInputMethodDescriptor;
637 }
638
639 /**
640 * Returns a map of visual attributes for thelevel description
641 * of the given input method highlight, or null if no mapping is found.
642 * The style field of the input method highlight is ignored. The map
643 * returned is unmodifiable.
644 * @param highlight input method highlight
645 * @return style attribute map, or null
646 * @since 1.3
647 */
648 public Map mapInputMethodHighlight(InputMethodHighlight highlight) {
649 return CInputMethod.mapInputMethodHighlight(highlight);
650 }
651
652 /**
653 * Returns key modifiers used by Swing to set up a focus accelerator key stroke.
654 */
655 @Override
656 public int getFocusAcceleratorKeyMask() {
657 return InputEvent.CTRL_MASK | InputEvent.ALT_MASK;
658 }
659
660 /**
661 * Tests whether specified key modifiers mask can be used to enter a printable
662 * character.
663 */
664 @Override
665 public boolean isPrintableCharacterModifiersMask(int mods) {
666 return ((mods & (InputEvent.META_MASK | InputEvent.CTRL_MASK)) == 0);
667 }
668
669 /**
670 * Returns whether popup is allowed to be shown above the task bar.
671 */
672 @Override
673 public boolean canPopupOverlapTaskBar() {
674 return false;
675 }
676
677 private static Boolean sunAwtDisableCALayers = null;
678
679 /**
680 * Returns the value of "sun.awt.disableCALayers" property. Default
681 * value is {@code false}.
682 */
683 public synchronized static boolean getSunAwtDisableCALayers() {
684 if (sunAwtDisableCALayers == null) {
685 sunAwtDisableCALayers = AccessController.doPrivileged(
686 new GetBooleanAction("sun.awt.disableCALayers"));
687 }
688 return sunAwtDisableCALayers.booleanValue();
689 }
690
691
692 /*
693 * Returns true if the application (one of its windows) owns keyboard focus.
694 */
695 public native boolean isApplicationActive();
696
697 /************************
698 * Native methods section
699 ************************/
700
701 static native long createAWTRunLoopMediator();
702 /**
703 * Method to run a nested run-loop. The nested loop is spinned in the javaRunLoop mode, so selectors sent
704 * by [JNFRunLoop performOnMainThreadWaiting] are processed.
705 * @param mediator a native pointer to the mediator object created by createAWTRunLoopMediator
706 * @param processEvents if true - dispatches event while in the nested loop. Used in DnD.
707 * Additional attention is needed when using this feature as we short-circuit normal event
708 * processing which could break Appkit.
709 * (One known example is when the window is resized with the mouse)
710 *
711 * if false - all events come after exit form the nested loop
712 */
713 static native void doAWTRunLoop(long mediator, boolean processEvents);
714 static native void stopAWTRunLoop(long mediator);
715
716 private native boolean nativeSyncQueue(long timeout);
717
718 @Override
719 public Clipboard createPlatformClipboard() {
720 return new CClipboard("System");
721 }
722
723 @Override
724 public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {
725 return (exclusionType == null) ||
726 (exclusionType == Dialog.ModalExclusionType.NO_EXCLUDE) ||
727 (exclusionType == Dialog.ModalExclusionType.APPLICATION_EXCLUDE) ||
728 (exclusionType == Dialog.ModalExclusionType.TOOLKIT_EXCLUDE);
729 }
730
731 @Override
732 public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
733 //TODO: FileDialog blocks excluded windows...
734 //TODO: Test: 2 file dialogs, separate AppContexts: a) Dialog 1 blocked, shouldn't be. Frame 4 blocked (shouldn't be).
735 return (modalityType == null) ||
736 (modalityType == Dialog.ModalityType.MODELESS) ||
737 (modalityType == Dialog.ModalityType.DOCUMENT_MODAL) ||
738 (modalityType == Dialog.ModalityType.APPLICATION_MODAL) ||
739 (modalityType == Dialog.ModalityType.TOOLKIT_MODAL);
740 }
741
742 @Override
743 public boolean isWindowShapingSupported() {
744 return true;
745 }
746
747 @Override
748 public boolean isWindowTranslucencySupported() {
749 return true;
750 }
751
752 @Override
753 public boolean isTranslucencyCapable(GraphicsConfiguration gc) {
754 return true;
755 }
756
757 public boolean isSwingBackbufferTranslucencySupported() {
758 return true;
759 }
760
761 @Override
762 public boolean enableInputMethodsForTextComponent() {
763 return true;
764 }
765 }