1 /*
2 * Copyright (c) 2011, 2017, 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 com.apple.laf.AquaMenuBarUI;
29 import java.awt.peer.TaskbarPeer;
30 import java.awt.*;
31 import java.awt.datatransfer.Clipboard;
32 import java.awt.dnd.*;
33 import java.awt.dnd.peer.DragSourceContextPeer;
34 import java.awt.event.InputEvent;
35 import java.awt.event.InvocationEvent;
36 import java.awt.event.KeyEvent;
37 import java.awt.font.TextAttribute;
38 import java.awt.im.InputMethodHighlight;
39 import java.awt.im.spi.InputMethodDescriptor;
40 import java.awt.peer.*;
41 import java.lang.reflect.*;
42 import java.net.URL;
43 import java.security.*;
44 import java.util.*;
45 import java.util.concurrent.Callable;
46 import java.net.MalformedURLException;
47 import javax.swing.UIManager;
48
49 import sun.awt.*;
50 import sun.awt.datatransfer.DataTransferer;
51 import sun.awt.util.ThreadGroupUtils;
52 import sun.java2d.opengl.OGLRenderQueue;
53 import sun.lwawt.*;
54 import sun.lwawt.LWWindowPeer.PeerType;
55 import sun.security.action.GetBooleanAction;
56
57 @SuppressWarnings("serial") // JDK implementation class
58 final class NamedCursor extends Cursor {
59 NamedCursor(String name) {
60 super(name);
61 }
62 }
63
64 /**
65 * Mac OS X Cocoa-based AWT Toolkit.
66 */
67 public final class LWCToolkit extends LWToolkit {
68 // While it is possible to enumerate all mouse devices
69 // and query them for the number of buttons, the code
70 // that does it is rather complex. Instead, we opt for
71 // the easy way and just support up to 5 mouse buttons,
72 // like Windows.
73 private static final int BUTTONS = 5;
74
75 private static native void initIDs();
76 private static native void initAppkit(ThreadGroup appKitThreadGroup, boolean headless);
77 private static CInputMethodDescriptor sInputMethodDescriptor;
78
79 static {
80 System.err.flush();
81
82 ResourceBundle platformResources = java.security.AccessController.doPrivileged(
83 new java.security.PrivilegedAction<ResourceBundle>() {
84 @Override
85 public ResourceBundle run() {
86 ResourceBundle platformResources = null;
87 try {
88 platformResources = ResourceBundle.getBundle("sun.awt.resources.awtosx");
89 } catch (MissingResourceException e) {
90 // No resource file; defaults will be used.
91 }
92
93 System.loadLibrary("awt");
94 System.loadLibrary("fontmanager");
95
96 return platformResources;
97 }
98 });
99
100 AWTAccessor.getToolkitAccessor().setPlatformResources(platformResources);
101
102 if (!GraphicsEnvironment.isHeadless()) {
103 initIDs();
104 }
105 inAWT = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
106 @Override
107 public Boolean run() {
108 return !Boolean.parseBoolean(System.getProperty("javafx.embed.singleThread", "false"));
109 }
110 });
111 }
112
113 /*
114 * If true we operate in normal mode and nested runloop is executed in JavaRunLoopMode
115 * If false we operate in singleThreaded FX/AWT interop mode and nested loop uses NSDefaultRunLoopMode
116 */
117 private static final boolean inAWT;
118
119 public LWCToolkit() {
120 areExtraMouseButtonsEnabled = Boolean.parseBoolean(System.getProperty("sun.awt.enableExtraMouseButtons", "true"));
121 //set system property if not yet assigned
122 System.setProperty("sun.awt.enableExtraMouseButtons", ""+areExtraMouseButtonsEnabled);
123 initAppkit(ThreadGroupUtils.getRootThreadGroup(), GraphicsEnvironment.isHeadless());
124 }
125
126 /*
127 * System colors with default initial values, overwritten by toolkit if system values differ and are available.
128 */
129 private static final int NUM_APPLE_COLORS = 3;
130 public static final int KEYBOARD_FOCUS_COLOR = 0;
131 public static final int INACTIVE_SELECTION_BACKGROUND_COLOR = 1;
132 public static final int INACTIVE_SELECTION_FOREGROUND_COLOR = 2;
133 private static int[] appleColors = {
134 0xFF808080, // keyboardFocusColor = Color.gray;
135 0xFFC0C0C0, // secondarySelectedControlColor
136 0xFF303030, // controlDarkShadowColor
137 };
138
139 private native void loadNativeColors(final int[] systemColors, final int[] appleColors);
140
141 @Override
142 protected void loadSystemColors(final int[] systemColors) {
143 if (systemColors == null) return;
144 loadNativeColors(systemColors, appleColors);
145 }
146
147 @SuppressWarnings("serial") // JDK implementation class
148 private static class AppleSpecificColor extends Color {
149 private final int index;
150 AppleSpecificColor(int index) {
151 super(appleColors[index]);
152 this.index = index;
153 }
154
155 @Override
156 public int getRGB() {
157 return appleColors[index];
158 }
159 }
160
161 /**
162 * Returns Apple specific colors that we may expose going forward.
163 */
164 public static Color getAppleColor(int color) {
165 return new AppleSpecificColor(color);
166 }
167
168 // This is only called from native code.
169 static void systemColorsChanged() {
170 EventQueue.invokeLater(() -> {
171 AccessController.doPrivileged( (PrivilegedAction<Object>) () -> {
172 AWTAccessor.getSystemColorAccessor().updateSystemColors();
173 return null;
174 });
175 });
176 }
177
178 public static LWCToolkit getLWCToolkit() {
179 return (LWCToolkit)Toolkit.getDefaultToolkit();
180 }
181
182 @Override
183 protected PlatformWindow createPlatformWindow(PeerType peerType) {
184 if (peerType == PeerType.EMBEDDED_FRAME) {
185 return new CPlatformEmbeddedFrame();
186 } else if (peerType == PeerType.VIEW_EMBEDDED_FRAME) {
187 return new CViewPlatformEmbeddedFrame();
188 } else if (peerType == PeerType.LW_FRAME) {
189 return new CPlatformLWWindow();
190 } else {
191 assert (peerType == PeerType.SIMPLEWINDOW
192 || peerType == PeerType.DIALOG
193 || peerType == PeerType.FRAME);
194 return new CPlatformWindow();
195 }
196 }
197
198 LWWindowPeer createEmbeddedFrame(CEmbeddedFrame target) {
199 PlatformComponent platformComponent = createPlatformComponent();
200 PlatformWindow platformWindow = createPlatformWindow(PeerType.EMBEDDED_FRAME);
201 return createDelegatedPeer(target, platformComponent, platformWindow, PeerType.EMBEDDED_FRAME);
202 }
203
204 LWWindowPeer createEmbeddedFrame(CViewEmbeddedFrame target) {
205 PlatformComponent platformComponent = createPlatformComponent();
206 PlatformWindow platformWindow = createPlatformWindow(PeerType.VIEW_EMBEDDED_FRAME);
207 return createDelegatedPeer(target, platformComponent, platformWindow, PeerType.VIEW_EMBEDDED_FRAME);
208 }
209
210 private CPrinterDialogPeer createCPrinterDialog(CPrinterDialog target) {
211 PlatformComponent platformComponent = createPlatformComponent();
212 PlatformWindow platformWindow = createPlatformWindow(PeerType.DIALOG);
213 CPrinterDialogPeer peer = new CPrinterDialogPeer(target, platformComponent, platformWindow);
214 targetCreatedPeer(target, peer);
215 return peer;
216 }
217
218 @Override
219 public DialogPeer createDialog(Dialog target) {
220 if (target instanceof CPrinterDialog) {
221 return createCPrinterDialog((CPrinterDialog)target);
222 }
223 return super.createDialog(target);
224 }
225
226 @Override
227 protected SecurityWarningWindow createSecurityWarning(Window ownerWindow,
228 LWWindowPeer ownerPeer) {
229 return new CWarningWindow(ownerWindow, ownerPeer);
230 }
231
232 @Override
233 protected PlatformComponent createPlatformComponent() {
234 return new CPlatformComponent();
235 }
236
237 @Override
238 protected PlatformComponent createLwPlatformComponent() {
239 return new CPlatformLWComponent();
240 }
241
242 @Override
243 protected FileDialogPeer createFileDialogPeer(FileDialog target) {
244 return new CFileDialog(target);
245 }
246
247 @Override
248 public MenuPeer createMenu(Menu target) {
249 MenuPeer peer = new CMenu(target);
250 targetCreatedPeer(target, peer);
251 return peer;
252 }
253
254 @Override
255 public MenuBarPeer createMenuBar(MenuBar target) {
256 MenuBarPeer peer = new CMenuBar(target);
257 targetCreatedPeer(target, peer);
258 return peer;
259 }
260
261 @Override
262 public MenuItemPeer createMenuItem(MenuItem target) {
263 MenuItemPeer peer = new CMenuItem(target);
264 targetCreatedPeer(target, peer);
265 return peer;
266 }
267
268 @Override
269 public CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target) {
270 CheckboxMenuItemPeer peer = new CCheckboxMenuItem(target);
271 targetCreatedPeer(target, peer);
272 return peer;
273 }
274
275 @Override
276 public PopupMenuPeer createPopupMenu(PopupMenu target) {
277 PopupMenuPeer peer = new CPopupMenu(target);
278 targetCreatedPeer(target, peer);
279 return peer;
280 }
281
282 @Override
283 public SystemTrayPeer createSystemTray(SystemTray target) {
284 return new CSystemTray();
285 }
286
287 @Override
288 public TrayIconPeer createTrayIcon(TrayIcon target) {
289 TrayIconPeer peer = new CTrayIcon(target);
290 targetCreatedPeer(target, peer);
291 return peer;
292 }
293
294 @Override
295 public DesktopPeer createDesktopPeer(Desktop target) {
296 return new CDesktopPeer();
297 }
298
299 @Override
300 public TaskbarPeer createTaskbarPeer(Taskbar target) {
301 return new CTaskbarPeer();
302 }
303
304 @Override
305 public LWCursorManager getCursorManager() {
306 return CCursorManager.getInstance();
307 }
308
309 @Override
310 public Cursor createCustomCursor(final Image cursor, final Point hotSpot,
311 final String name)
312 throws IndexOutOfBoundsException, HeadlessException {
313 return new CCustomCursor(cursor, hotSpot, name);
314 }
315
316 @Override
317 public Dimension getBestCursorSize(final int preferredWidth,
318 final int preferredHeight)
319 throws HeadlessException {
320 return CCustomCursor.getBestCursorSize(preferredWidth, preferredHeight);
321 }
322
323 @Override
324 protected void platformCleanup() {
325 // TODO Auto-generated method stub
326 }
327
328 @Override
329 protected void platformInit() {
330 // TODO Auto-generated method stub
331 }
332
333 @Override
334 protected void platformRunMessage() {
335 // TODO Auto-generated method stub
336 }
337
338 @Override
339 protected void platformShutdown() {
340 // TODO Auto-generated method stub
341 }
342
343 class OSXPlatformFont extends sun.awt.PlatformFont
344 {
345 OSXPlatformFont(String name, int style)
346 {
347 super(name, style);
348 }
349 @Override
350 protected char getMissingGlyphCharacter()
351 {
352 // Follow up for real implementation
353 return (char)0xfff8; // see http://developer.apple.com/fonts/LastResortFont/
354 }
355 }
356 @Override
357 public FontPeer getFontPeer(String name, int style) {
358 return new OSXPlatformFont(name, style);
359 }
360
361 @Override
362 protected void initializeDesktopProperties() {
363 super.initializeDesktopProperties();
364 Map <Object, Object> fontHints = new HashMap<>();
365 fontHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
366 desktopProperties.put(SunToolkit.DESKTOPFONTHINTS, fontHints);
367 desktopProperties.put("awt.mouse.numButtons", BUTTONS);
368
369 // These DnD properties must be set, otherwise Swing ends up spewing NPEs
370 // all over the place. The values came straight off of MToolkit.
371 desktopProperties.put("DnD.Autoscroll.initialDelay", Integer.valueOf(50));
372 desktopProperties.put("DnD.Autoscroll.interval", Integer.valueOf(50));
373 desktopProperties.put("DnD.Autoscroll.cursorHysteresis", Integer.valueOf(5));
374
375 desktopProperties.put("DnD.isDragImageSupported", Boolean.TRUE);
376
377 // Register DnD cursors
378 desktopProperties.put("DnD.Cursor.CopyDrop", new NamedCursor("DnD.Cursor.CopyDrop"));
379 desktopProperties.put("DnD.Cursor.MoveDrop", new NamedCursor("DnD.Cursor.MoveDrop"));
380 desktopProperties.put("DnD.Cursor.LinkDrop", new NamedCursor("DnD.Cursor.LinkDrop"));
381 desktopProperties.put("DnD.Cursor.CopyNoDrop", new NamedCursor("DnD.Cursor.CopyNoDrop"));
382 desktopProperties.put("DnD.Cursor.MoveNoDrop", new NamedCursor("DnD.Cursor.MoveNoDrop"));
383 desktopProperties.put("DnD.Cursor.LinkNoDrop", new NamedCursor("DnD.Cursor.LinkNoDrop"));
384 }
385
386 @Override
387 protected boolean syncNativeQueue(long timeout) {
388 return nativeSyncQueue(timeout);
389 }
390
391 @Override
392 public native void beep();
393
394 @Override
395 public int getScreenResolution() throws HeadlessException {
396 return (int) ((CGraphicsDevice) GraphicsEnvironment
397 .getLocalGraphicsEnvironment().getDefaultScreenDevice())
398 .getXResolution();
399 }
400
401 @Override
402 public Insets getScreenInsets(final GraphicsConfiguration gc) {
403 return ((CGraphicsConfig) gc).getDevice().getScreenInsets();
404 }
405
406 @Override
407 public void sync() {
408 // flush the OGL pipeline (this is a no-op if OGL is not enabled)
409 OGLRenderQueue.sync();
410 // setNeedsDisplay() selector was sent to the appropriate CALayer so now
411 // we have to flush the native selectors queue.
412 flushNativeSelectors();
413 }
414
415 @Override
416 public RobotPeer createRobot(Robot target, GraphicsDevice screen) {
417 return new CRobot(target, (CGraphicsDevice)screen);
418 }
419
420 private native boolean isCapsLockOn();
421
422 /*
423 * NOTE: Among the keys this method is supposed to check,
424 * only Caps Lock works as a true locking key with OS X.
425 * There is no Scroll Lock key on modern Apple keyboards,
426 * and with a PC keyboard plugged in Scroll Lock is simply
427 * ignored: no LED lights up if you press it.
428 * The key located at the same position on Apple keyboards
429 * as Num Lock on PC keyboards is called Clear, doesn't lock
430 * anything and is used for entirely different purpose.
431 */
432 @Override
433 public boolean getLockingKeyState(int keyCode) throws UnsupportedOperationException {
434 switch (keyCode) {
435 case KeyEvent.VK_NUM_LOCK:
436 case KeyEvent.VK_SCROLL_LOCK:
437 case KeyEvent.VK_KANA_LOCK:
438 throw new UnsupportedOperationException("Toolkit.getLockingKeyState");
439
440 case KeyEvent.VK_CAPS_LOCK:
441 return isCapsLockOn();
442
443 default:
444 throw new IllegalArgumentException("invalid key for Toolkit.getLockingKeyState");
445 }
446 }
447
448 //Is it allowed to generate events assigned to extra mouse buttons.
449 //Set to true by default.
450 private static boolean areExtraMouseButtonsEnabled = true;
451
452 @Override
453 public boolean areExtraMouseButtonsEnabled() throws HeadlessException {
454 return areExtraMouseButtonsEnabled;
455 }
456
457 @Override
458 public int getNumberOfButtons(){
459 return BUTTONS;
460 }
461
462 @Override
463 public boolean isTraySupported() {
464 return true;
465 }
466
467 @Override
468 public DataTransferer getDataTransferer() {
469 return CDataTransferer.getInstanceImpl();
470 }
471
472 @Override
473 public boolean isAlwaysOnTopSupported() {
474 return true;
475 }
476
477 private static final String APPKIT_THREAD_NAME = "AppKit Thread";
478
479 // Intended to be called from the LWCToolkit.m only.
480 private static void installToolkitThreadInJava() {
481 Thread.currentThread().setName(APPKIT_THREAD_NAME);
482 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
483 Thread.currentThread().setContextClassLoader(null);
484 return null;
485 });
486 }
487
488 @Override
489 public boolean isWindowOpacitySupported() {
490 return true;
491 }
492
493 @Override
494 public boolean isFrameStateSupported(int state) throws HeadlessException {
495 switch (state) {
496 case Frame.NORMAL:
497 case Frame.ICONIFIED:
498 case Frame.MAXIMIZED_BOTH:
499 return true;
500 default:
501 return false;
502 }
503 }
504
505 @Override
506 @Deprecated(since = "10")
507 public int getMenuShortcutKeyMask() {
508 return Event.META_MASK;
509 }
510
511 @Override
512 public int getMenuShortcutKeyMaskEx() {
513 return InputEvent.META_DOWN_MASK;
514 }
515
516 @Override
517 public Image getImage(final String filename) {
518 final Image nsImage = checkForNSImage(filename);
519 if (nsImage != null) {
520 return nsImage;
521 }
522
523 if (imageCached(filename)) {
524 return super.getImage(filename);
525 }
526
527 String filename2x = getScaledImageName(filename);
528 return (imageExists(filename2x))
529 ? getImageWithResolutionVariant(filename, filename2x)
530 : super.getImage(filename);
531 }
532
533 @Override
534 public Image getImage(URL url) {
535
536 if (imageCached(url)) {
537 return super.getImage(url);
538 }
539
540 URL url2x = getScaledImageURL(url);
541 return (imageExists(url2x))
542 ? getImageWithResolutionVariant(url, url2x) : super.getImage(url);
543 }
544
545 private static final String nsImagePrefix = "NSImage://";
546 private Image checkForNSImage(final String imageName) {
547 if (imageName == null) return null;
548 if (!imageName.startsWith(nsImagePrefix)) return null;
549 return CImage.getCreator().createImageFromName(imageName.substring(nsImagePrefix.length()));
550 }
551
552 // Thread-safe Object.equals() called from native
553 public static boolean doEquals(final Object a, final Object b, Component c) {
554 if (a == b) return true;
555
556 final boolean[] ret = new boolean[1];
557
558 try { invokeAndWait(new Runnable() { @Override
559 public void run() { synchronized(ret) {
560 ret[0] = a.equals(b);
561 }}}, c); } catch (Exception e) { e.printStackTrace(); }
562
563 synchronized(ret) { return ret[0]; }
564 }
565
566 public static <T> T invokeAndWait(final Callable<T> callable,
567 Component component) throws Exception {
568 final CallableWrapper<T> wrapper = new CallableWrapper<>(callable);
569 invokeAndWait(wrapper, component);
570 return wrapper.getResult();
571 }
572
573 static final class CallableWrapper<T> implements Runnable {
574 final Callable<T> callable;
575 T object;
576 Exception e;
577
578 CallableWrapper(final Callable<T> callable) {
579 this.callable = callable;
580 }
581
582 @Override
583 public void run() {
584 try {
585 object = callable.call();
586 } catch (final Exception e) {
587 this.e = e;
588 }
589 }
590
591 public T getResult() throws Exception {
592 if (e != null) throw e;
593 return object;
594 }
595 }
596
597 /**
598 * Kicks an event over to the appropriate event queue and waits for it to
599 * finish To avoid deadlocking, we manually run the NSRunLoop while waiting
600 * Any selector invoked using ThreadUtilities performOnMainThread will be
601 * processed in doAWTRunLoop The InvocationEvent will call
602 * LWCToolkit.stopAWTRunLoop() when finished, which will stop our manual
603 * run loop. Does not dispatch native events while in the loop
604 */
605 public static void invokeAndWait(Runnable runnable, Component component)
606 throws InvocationTargetException {
607 Objects.requireNonNull(component, "Null component provided to invokeAndWait");
608
609 long mediator = createAWTRunLoopMediator();
610 InvocationEvent invocationEvent =
611 new InvocationEvent(component,
612 runnable,
613 () -> {
614 if (mediator != 0) {
615 stopAWTRunLoop(mediator);
616 }
617 },
618 true);
619
620 AppContext appContext = SunToolkit.targetToAppContext(component);
621 SunToolkit.postEvent(appContext, invocationEvent);
622 // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
623 SunToolkit.flushPendingEvents(appContext);
624 doAWTRunLoop(mediator, false);
625
626 checkException(invocationEvent);
627 }
628
629 public static void invokeLater(Runnable event, Component component)
630 throws InvocationTargetException {
631 Objects.requireNonNull(component, "Null component provided to invokeLater");
632
633 InvocationEvent invocationEvent = new InvocationEvent(component, event);
634
635 AppContext appContext = SunToolkit.targetToAppContext(component);
636 SunToolkit.postEvent(SunToolkit.targetToAppContext(component), invocationEvent);
637 // 3746956 - flush events from PostEventQueue to prevent them from getting stuck and causing a deadlock
638 SunToolkit.flushPendingEvents(appContext);
639
640 checkException(invocationEvent);
641 }
642
643 /**
644 * Checks if exception occurred while {@code InvocationEvent} was processed and rethrows it as
645 * an {@code InvocationTargetException}
646 *
647 * @param event the event to check for an exception
648 * @throws InvocationTargetException if exception occurred when event was processed
649 */
650 private static void checkException(InvocationEvent event) throws InvocationTargetException {
651 Throwable eventException = event.getException();
652 if (eventException == null) return;
653
654 if (eventException instanceof UndeclaredThrowableException) {
655 eventException = ((UndeclaredThrowableException)eventException).getUndeclaredThrowable();
656 }
657 throw new InvocationTargetException(eventException);
658 }
659
660 /**
661 * Schedules a {@code Runnable} execution on the Appkit thread after a delay
662 * @param r a {@code Runnable} to execute
663 * @param delay a delay in milliseconds
664 */
665 static native void performOnMainThreadAfterDelay(Runnable r, long delay);
666
667 // DnD support
668
669 @Override
670 public DragSourceContextPeer createDragSourceContextPeer(
671 DragGestureEvent dge) throws InvalidDnDOperationException {
672 final LightweightFrame f = SunToolkit.getLightweightFrame(dge.getComponent());
673 if (f != null) {
674 return f.createDragSourceContextPeer(dge);
675 }
676
677 return CDragSourceContextPeer.createDragSourceContextPeer(dge);
678 }
679
680 @Override
681 @SuppressWarnings("unchecked")
682 public <T extends DragGestureRecognizer> T createDragGestureRecognizer(
683 Class<T> abstractRecognizerClass, DragSource ds, Component c,
684 int srcActions, DragGestureListener dgl) {
685 final LightweightFrame f = SunToolkit.getLightweightFrame(c);
686 if (f != null) {
687 return f.createDragGestureRecognizer(abstractRecognizerClass, ds, c, srcActions, dgl);
688 }
689
690 DragGestureRecognizer dgr = null;
691
692 // Create a new mouse drag gesture recognizer if we have a class match:
693 if (MouseDragGestureRecognizer.class.equals(abstractRecognizerClass))
694 dgr = new CMouseDragGestureRecognizer(ds, c, srcActions, dgl);
695
696 return (T)dgr;
697 }
698
699 @Override
700 protected PlatformDropTarget createDropTarget(DropTarget dropTarget,
701 Component component,
702 LWComponentPeer<?, ?> peer) {
703 return new CDropTarget(dropTarget, component, peer);
704 }
705
706 // InputMethodSupport Method
707 /**
708 * Returns the default keyboard locale of the underlying operating system
709 */
710 @Override
711 public Locale getDefaultKeyboardLocale() {
712 Locale locale = CInputMethod.getNativeLocale();
713
714 if (locale == null) {
715 return super.getDefaultKeyboardLocale();
716 }
717
718 return locale;
719 }
720
721 @Override
722 public InputMethodDescriptor getInputMethodAdapterDescriptor() {
723 if (sInputMethodDescriptor == null)
724 sInputMethodDescriptor = new CInputMethodDescriptor();
725
726 return sInputMethodDescriptor;
727 }
728
729 /**
730 * Returns a map of visual attributes for thelevel description
731 * of the given input method highlight, or null if no mapping is found.
732 * The style field of the input method highlight is ignored. The map
733 * returned is unmodifiable.
734 * @param highlight input method highlight
735 * @return style attribute map, or null
736 * @since 1.3
737 */
738 @Override
739 public Map<TextAttribute, ?> mapInputMethodHighlight(InputMethodHighlight highlight) {
740 return CInputMethod.mapInputMethodHighlight(highlight);
741 }
742
743 /**
744 * Returns key modifiers used by Swing to set up a focus accelerator key
745 * stroke.
746 */
747 @Override
748 @SuppressWarnings("deprecation")
749 public int getFocusAcceleratorKeyMask() {
750 return InputEvent.CTRL_MASK | InputEvent.ALT_MASK;
751 }
752
753 /**
754 * Tests whether specified key modifiers mask can be used to enter a
755 * printable character.
756 */
757 @Override
758 @SuppressWarnings("deprecation")
759 public boolean isPrintableCharacterModifiersMask(int mods) {
760 return ((mods & (InputEvent.META_MASK | InputEvent.CTRL_MASK)) == 0);
761 }
762
763 /**
764 * Returns whether popup is allowed to be shown above the task bar.
765 */
766 @Override
767 public boolean canPopupOverlapTaskBar() {
768 return false;
769 }
770
771 private static Boolean sunAwtDisableCALayers = null;
772
773 /**
774 * Returns the value of "sun.awt.disableCALayers" property. Default
775 * value is {@code false}.
776 */
777 public static synchronized boolean getSunAwtDisableCALayers() {
778 if (sunAwtDisableCALayers == null) {
779 sunAwtDisableCALayers = AccessController.doPrivileged(
780 new GetBooleanAction("sun.awt.disableCALayers"));
781 }
782 return sunAwtDisableCALayers;
783 }
784
785 /*
786 * Returns true if the application (one of its windows) owns keyboard focus.
787 */
788 native boolean isApplicationActive();
789
790 /**
791 * Returns true if AWT toolkit is embedded, false otherwise.
792 *
793 * @return true if AWT toolkit is embedded, false otherwise
794 */
795 public static native boolean isEmbedded();
796
797 /*
798 * Activates application ignoring other apps.
799 */
800 public native void activateApplicationIgnoringOtherApps();
801
802 /************************
803 * Native methods section
804 ************************/
805
806 static native long createAWTRunLoopMediator();
807 /**
808 * Method to run a nested run-loop. The nested loop is spinned in the javaRunLoop mode, so selectors sent
809 * by [JNFRunLoop performOnMainThreadWaiting] are processed.
810 * @param mediator a native pointer to the mediator object created by createAWTRunLoopMediator
811 * @param processEvents if true - dispatches event while in the nested loop. Used in DnD.
812 * Additional attention is needed when using this feature as we short-circuit normal event
813 * processing which could break Appkit.
814 * (One known example is when the window is resized with the mouse)
815 *
816 * if false - all events come after exit form the nested loop
817 */
818 static void doAWTRunLoop(long mediator, boolean processEvents) {
819 doAWTRunLoopImpl(mediator, processEvents, inAWT);
820 }
821 private static native void doAWTRunLoopImpl(long mediator, boolean processEvents, boolean inAWT);
822 static native void stopAWTRunLoop(long mediator);
823
824 private native boolean nativeSyncQueue(long timeout);
825
826 /**
827 * Just spin a single empty block synchronously.
828 */
829 static native void flushNativeSelectors();
830
831 @Override
832 public Clipboard createPlatformClipboard() {
833 return new CClipboard("System");
834 }
835
836 @Override
837 public boolean isModalExclusionTypeSupported(Dialog.ModalExclusionType exclusionType) {
838 return (exclusionType == null) ||
839 (exclusionType == Dialog.ModalExclusionType.NO_EXCLUDE) ||
840 (exclusionType == Dialog.ModalExclusionType.APPLICATION_EXCLUDE) ||
841 (exclusionType == Dialog.ModalExclusionType.TOOLKIT_EXCLUDE);
842 }
843
844 @Override
845 public boolean isModalityTypeSupported(Dialog.ModalityType modalityType) {
846 //TODO: FileDialog blocks excluded windows...
847 //TODO: Test: 2 file dialogs, separate AppContexts: a) Dialog 1 blocked, shouldn't be. Frame 4 blocked (shouldn't be).
848 return (modalityType == null) ||
849 (modalityType == Dialog.ModalityType.MODELESS) ||
850 (modalityType == Dialog.ModalityType.DOCUMENT_MODAL) ||
851 (modalityType == Dialog.ModalityType.APPLICATION_MODAL) ||
852 (modalityType == Dialog.ModalityType.TOOLKIT_MODAL);
853 }
854
855 @Override
856 public boolean isWindowShapingSupported() {
857 return true;
858 }
859
860 @Override
861 public boolean isWindowTranslucencySupported() {
862 return true;
863 }
864
865 @Override
866 public boolean isTranslucencyCapable(GraphicsConfiguration gc) {
867 return true;
868 }
869
870 @Override
871 public boolean isSwingBackbufferTranslucencySupported() {
872 return true;
873 }
874
875 @Override
876 public boolean enableInputMethodsForTextComponent() {
877 return true;
878 }
879
880 private static URL getScaledImageURL(URL url) {
881 try {
882 String scaledImagePath = getScaledImageName(url.getPath());
883 return scaledImagePath == null ? null : new URL(url.getProtocol(),
884 url.getHost(), url.getPort(), scaledImagePath);
885 } catch (MalformedURLException e) {
886 return null;
887 }
888 }
889
890 private static String getScaledImageName(String path) {
891 if (!isValidPath(path)) {
892 return null;
893 }
894
895 int slash = path.lastIndexOf('/');
896 String name = (slash < 0) ? path : path.substring(slash + 1);
897
898 if (name.contains("@2x")) {
899 return null;
900 }
901
902 int dot = name.lastIndexOf('.');
903 String name2x = (dot < 0) ? name + "@2x"
904 : name.substring(0, dot) + "@2x" + name.substring(dot);
905 return (slash < 0) ? name2x : path.substring(0, slash + 1) + name2x;
906 }
907
908 private static boolean isValidPath(String path) {
909 return path != null &&
910 !path.isEmpty() &&
911 !path.endsWith("/") &&
912 !path.endsWith(".");
913 }
914
915 @Override
916 protected PlatformWindow getPlatformWindowUnderMouse() {
917 return CPlatformWindow.nativeGetTopmostPlatformWindowUnderMouse();
918 }
919
920 @Override
921 public void updateScreenMenuBarUI() {
922 if (AquaMenuBarUI.getScreenMenuBarProperty()) {
923 UIManager.put("MenuBarUI", "com.apple.laf.AquaMenuBarUI");
924 } else {
925 UIManager.put("MenuBarUI", null);
926 }
927 }
928 }