1 /*
2 * Copyright (c) 2011, 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;
27
28 import java.awt.*;
29 import java.awt.event.*;
30 import java.awt.peer.*;
31 import java.util.List;
32
33 import javax.swing.*;
34
35 import sun.awt.*;
36 import sun.java2d.*;
37 import sun.java2d.loops.Blit;
38 import sun.java2d.loops.CompositeType;
39 import sun.java2d.pipe.Region;
40 import sun.util.logging.PlatformLogger;
41
42 public class LWWindowPeer
43 extends LWContainerPeer<Window, JComponent>
44 implements FramePeer, DialogPeer, FullScreenCapable, DisplayChangedListener, PlatformEventNotifier
45 {
46 public enum PeerType {
47 SIMPLEWINDOW,
48 FRAME,
49 DIALOG,
50 EMBEDDED_FRAME,
51 VIEW_EMBEDDED_FRAME,
52 LW_FRAME
53 }
54
55 private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.lwawt.focus.LWWindowPeer");
56
57 private final PlatformWindow platformWindow;
58
59 private static final int MINIMUM_WIDTH = 1;
60 private static final int MINIMUM_HEIGHT = 1;
61
62 private Insets insets = new Insets(0, 0, 0, 0);
63
64 private GraphicsDevice graphicsDevice;
65 private GraphicsConfiguration graphicsConfig;
66
67 private SurfaceData surfaceData;
68 private final Object surfaceDataLock = new Object();
69
70 private volatile int windowState = Frame.NORMAL;
71
72 // check that the mouse is over the window
73 private volatile boolean isMouseOver = false;
74
75 // A peer where the last mouse event came to. Used by cursor manager to
76 // find the component under cursor
77 private static volatile LWComponentPeer<?, ?> lastCommonMouseEventPeer;
78
79 // A peer where the last mouse event came to. Used to generate
80 // MOUSE_ENTERED/EXITED notifications
81 private volatile LWComponentPeer<?, ?> lastMouseEventPeer;
82
83 // Peers where all dragged/released events should come to,
84 // depending on what mouse button is being dragged according to Cocoa
85 private static final LWComponentPeer<?, ?>[] mouseDownTarget = new LWComponentPeer<?, ?>[3];
86
87 // A bitmask that indicates what mouse buttons produce MOUSE_CLICKED events
88 // on MOUSE_RELEASE. Click events are only generated if there were no drag
89 // events between MOUSE_PRESSED and MOUSE_RELEASED for particular button
90 private static int mouseClickButtons = 0;
91
92 private volatile boolean isOpaque = true;
93
94 private static final Font DEFAULT_FONT = new Font("Lucida Grande", Font.PLAIN, 13);
95
96 private static LWWindowPeer grabbingWindow;
97
98 private volatile boolean skipNextFocusChange;
99
100 private static final Color nonOpaqueBackground = new Color(0, 0, 0, 0);
101
102 private volatile boolean textured;
103
104 private final PeerType peerType;
105
106 private final SecurityWarningWindow warningWindow;
107
108 private volatile boolean targetFocusable;
109
110 /**
111 * Current modal blocker or null.
112 *
113 * Synchronization: peerTreeLock.
114 */
115 private LWWindowPeer blocker;
116
117 public LWWindowPeer(Window target, PlatformComponent platformComponent,
118 PlatformWindow platformWindow, PeerType peerType)
119 {
120 super(target, platformComponent);
121 this.platformWindow = platformWindow;
122 this.peerType = peerType;
123
124 Window owner = target.getOwner();
125 LWWindowPeer ownerPeer = owner == null ? null :
126 (LWWindowPeer) AWTAccessor.getComponentAccessor().getPeer(owner);
127 PlatformWindow ownerDelegate = (ownerPeer != null) ? ownerPeer.getPlatformWindow() : null;
128
129 // The delegate.initialize() needs a non-null GC on X11.
130 GraphicsConfiguration gc = getTarget().getGraphicsConfiguration();
131 synchronized (getStateLock()) {
132 // graphicsConfig should be updated according to the real window
133 // bounds when the window is shown, see 4868278
134 this.graphicsConfig = gc;
135 }
136
137 if (!target.isFontSet()) {
138 target.setFont(DEFAULT_FONT);
139 }
140
141 if (!target.isBackgroundSet()) {
142 target.setBackground(SystemColor.window);
143 } else {
144 // first we check if user provided alpha for background. This is
145 // similar to what Apple's Java do.
146 // Since JDK7 we should rely on setOpacity() only.
147 // this.opacity = c.getAlpha();
148 }
149
150 if (!target.isForegroundSet()) {
151 target.setForeground(SystemColor.windowText);
152 // we should not call setForeground because it will call a repaint
153 // which the peer may not be ready to do yet.
154 }
155
156 platformWindow.initialize(target, this, ownerDelegate);
157
158 // Init warning window(for applets)
159 SecurityWarningWindow warn = null;
160 if (target.getWarningString() != null) {
161 // accessSystemTray permission allows to display TrayIcon, TrayIcon tooltip
162 // and TrayIcon balloon windows without a warning window.
163 if (!AWTAccessor.getWindowAccessor().isTrayIconWindow(target)) {
164 LWToolkit toolkit = (LWToolkit)Toolkit.getDefaultToolkit();
165 warn = toolkit.createSecurityWarning(target, this);
166 }
167 }
168
169 warningWindow = warn;
170 }
171
172 @Override
173 void initializeImpl() {
174 super.initializeImpl();
175
176
177 if (getTarget() instanceof Frame) {
178 setTitle(((Frame) getTarget()).getTitle());
179 setState(((Frame) getTarget()).getExtendedState());
180 } else if (getTarget() instanceof Dialog) {
181 setTitle(((Dialog) getTarget()).getTitle());
182 }
183
184 updateAlwaysOnTopState();
185 updateMinimumSize();
186
187 final Shape shape = getTarget().getShape();
188 if (shape != null) {
189 applyShape(Region.getInstance(shape, null));
190 }
191
192 final float opacity = getTarget().getOpacity();
193 if (opacity < 1.0f) {
194 setOpacity(opacity);
195 }
196
197 setOpaque(getTarget().isOpaque());
198
199 updateInsets(platformWindow.getInsets());
200 if (getSurfaceData() == null) {
201 replaceSurfaceData(false);
202 }
203 activateDisplayListener();
204 }
205
206 // Just a helper method
207 @Override
208 public PlatformWindow getPlatformWindow() {
209 return platformWindow;
210 }
211
212 @Override
213 protected LWWindowPeer getWindowPeerOrSelf() {
214 return this;
215 }
216
217 // ---- PEER METHODS ---- //
218
219 @Override
220 protected void disposeImpl() {
221 deactivateDisplayListener();
222 SurfaceData oldData = getSurfaceData();
223 synchronized (surfaceDataLock){
224 surfaceData = null;
225 }
226 if (oldData != null) {
227 oldData.invalidate();
228 }
229 if (isGrabbing()) {
230 ungrab();
231 }
232 if (warningWindow != null) {
233 warningWindow.dispose();
234 }
235
236 platformWindow.dispose();
237 super.disposeImpl();
238 }
239
240 @Override
241 protected void setVisibleImpl(final boolean visible) {
242 if (!visible && warningWindow != null) {
243 warningWindow.setVisible(false, false);
244 }
245 updateFocusableWindowState();
246 super.setVisibleImpl(visible);
247 // TODO: update graphicsConfig, see 4868278
248 platformWindow.setVisible(visible);
249 if (isSimpleWindow()) {
250 KeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
251 if (visible) {
252 if (!getTarget().isAutoRequestFocus()) {
253 return;
254 } else {
255 requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
256 }
257 // Focus the owner in case this window is focused.
258 } else if (kfmPeer.getCurrentFocusedWindow() == getTarget()) {
259 // Transfer focus to the owner.
260 LWWindowPeer owner = getOwnerFrameDialog(LWWindowPeer.this);
261 if (owner != null) {
262 owner.requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
263 }
264 }
265 }
266 }
267
268 @Override
269 public final GraphicsConfiguration getGraphicsConfiguration() {
270 synchronized (getStateLock()) {
271 return graphicsConfig;
272 }
273 }
274
275 @Override
276 public boolean updateGraphicsData(GraphicsConfiguration gc) {
277 setGraphicsConfig(gc);
278 return false;
279 }
280
281 protected final Graphics getOnscreenGraphics(Color fg, Color bg, Font f) {
282 if (getSurfaceData() == null) {
283 return null;
284 }
285 if (fg == null) {
286 fg = SystemColor.windowText;
287 }
288 if (bg == null) {
289 bg = SystemColor.window;
290 }
291 if (f == null) {
292 f = DEFAULT_FONT;
293 }
294 return platformWindow.transformGraphics(new SunGraphics2D(getSurfaceData(), fg, bg, f));
295 }
296
297 @Override
298 public void setBounds(int x, int y, int w, int h, int op) {
299
300 if((op & NO_EMBEDDED_CHECK) == 0 && getPeerType() == PeerType.VIEW_EMBEDDED_FRAME) {
301 return;
302 }
303
304 if ((op & SET_CLIENT_SIZE) != 0) {
305 // SET_CLIENT_SIZE is only applicable to window peers, so handle it here
306 // instead of pulling 'insets' field up to LWComponentPeer
307 // no need to add insets since Window's notion of width and height includes insets.
308 op &= ~SET_CLIENT_SIZE;
309 op |= SET_SIZE;
310 }
311
312 // Don't post ComponentMoved/Resized and Paint events
313 // until we've got a notification from the delegate
314 Rectangle cb = constrainBounds(x, y, w, h);
315
316 Rectangle newBounds = new Rectangle(getBounds());
317 if ((op & (SET_LOCATION | SET_BOUNDS)) != 0) {
318 newBounds.x = cb.x;
319 newBounds.y = cb.y;
320 }
321 if ((op & (SET_SIZE | SET_BOUNDS)) != 0) {
322 newBounds.width = cb.width;
323 newBounds.height = cb.height;
324 }
325 // Native system could constraint bounds, so the peer wold be updated in the callback
326 platformWindow.setBounds(newBounds.x, newBounds.y, newBounds.width, newBounds.height);
327 }
328
329 public Rectangle constrainBounds(Rectangle bounds) {
330 return constrainBounds(bounds.x, bounds.y, bounds.width, bounds.height);
331 }
332
333 public Rectangle constrainBounds(int x, int y, int w, int h) {
334
335 if (w < MINIMUM_WIDTH) {
336 w = MINIMUM_WIDTH;
337 }
338
339 if (h < MINIMUM_HEIGHT) {
340 h = MINIMUM_HEIGHT;
341 }
342
343 final int maxW = getLWGC().getMaxTextureWidth();
344 final int maxH = getLWGC().getMaxTextureHeight();
345
346 if (w > maxW) {
347 w = maxW;
348 }
349 if (h > maxH) {
350 h = maxH;
351 }
352
353 return new Rectangle(x, y, w, h);
354 }
355
356 @Override
357 public Point getLocationOnScreen() {
358 return platformWindow.getLocationOnScreen();
359 }
360
361 /**
362 * Overridden from LWContainerPeer to return the correct insets.
363 * Insets are queried from the delegate and are kept up to date by
364 * requiering when needed (i.e. when the window geometry is changed).
365 */
366 @Override
367 public Insets getInsets() {
368 synchronized (getStateLock()) {
369 return insets;
370 }
371 }
372
373 @Override
374 public FontMetrics getFontMetrics(Font f) {
375 // TODO: check for "use platform metrics" settings
376 return platformWindow.getFontMetrics(f);
377 }
378
379 @Override
380 public void toFront() {
381 platformWindow.toFront();
382 }
383
384 @Override
385 public void toBack() {
386 platformWindow.toBack();
387 }
388
389 @Override
390 public void setZOrder(ComponentPeer above) {
391 throw new RuntimeException("not implemented");
392 }
393
394 @Override
395 public void updateAlwaysOnTopState() {
396 platformWindow.setAlwaysOnTop(getTarget().isAlwaysOnTop());
397 }
398
399 @Override
400 public void updateFocusableWindowState() {
401 targetFocusable = getTarget().isFocusableWindow();
402 platformWindow.updateFocusableWindowState();
403 }
404
405 @Override
406 public void setModalBlocked(Dialog blocker, boolean blocked) {
407 synchronized (getPeerTreeLock()) {
408 ComponentPeer peer = AWTAccessor.getComponentAccessor().getPeer(blocker);
409 if (blocked && (peer instanceof LWWindowPeer)) {
410 this.blocker = (LWWindowPeer) peer;
411 } else {
412 this.blocker = null;
413 }
414 }
415
416 platformWindow.setModalBlocked(blocked);
417 }
418
419 @Override
420 public void updateMinimumSize() {
421 final Dimension min;
422 if (getTarget().isMinimumSizeSet()) {
423 min = getTarget().getMinimumSize();
424 min.width = Math.max(min.width, MINIMUM_WIDTH);
425 min.height = Math.max(min.height, MINIMUM_HEIGHT);
426 } else {
427 min = new Dimension(MINIMUM_WIDTH, MINIMUM_HEIGHT);
428 }
429
430 final Dimension max;
431 if (getTarget().isMaximumSizeSet()) {
432 max = getTarget().getMaximumSize();
433 max.width = Math.min(max.width, getLWGC().getMaxTextureWidth());
434 max.height = Math.min(max.height, getLWGC().getMaxTextureHeight());
435 } else {
436 max = new Dimension(getLWGC().getMaxTextureWidth(),
437 getLWGC().getMaxTextureHeight());
438 }
439
440 platformWindow.setSizeConstraints(min.width, min.height, max.width, max.height);
441 }
442
443 @Override
444 public void updateIconImages() {
445 getPlatformWindow().updateIconImages();
446 }
447
448 @Override
449 public void setBackground(final Color c) {
450 super.setBackground(c);
451 updateOpaque();
452 }
453
454 @Override
455 public void setOpacity(float opacity) {
456 getPlatformWindow().setOpacity(opacity);
457 repaintPeer();
458 }
459
460 @Override
461 public final void setOpaque(final boolean isOpaque) {
462 if (this.isOpaque != isOpaque) {
463 this.isOpaque = isOpaque;
464 updateOpaque();
465 }
466 }
467
468 private void updateOpaque() {
469 getPlatformWindow().setOpaque(!isTranslucent());
470 replaceSurfaceData(false);
471 repaintPeer();
472 }
473
474 @Override
475 public void updateWindow() {
476 }
477
478 public final boolean isTextured() {
479 return textured;
480 }
481
482 public final void setTextured(final boolean isTextured) {
483 textured = isTextured;
484 }
485
486 @Override
487 public final boolean isTranslucent() {
488 synchronized (getStateLock()) {
489 /*
490 * Textured window is a special case of translucent window.
491 * The difference is only in nswindow background. So when we set
492 * texture property our peer became fully translucent. It doesn't
493 * fill background, create non opaque backbuffers and layer etc.
494 */
495 return !isOpaque || isShaped() || isTextured();
496 }
497 }
498
499 @Override
500 final void applyShapeImpl(final Region shape) {
501 super.applyShapeImpl(shape);
502 updateOpaque();
503 }
504
505 @Override
506 public void repositionSecurityWarning() {
507 if (warningWindow != null) {
508 AWTAccessor.ComponentAccessor compAccessor = AWTAccessor.getComponentAccessor();
509 Window target = getTarget();
510 int x = compAccessor.getX(target);
511 int y = compAccessor.getY(target);
512 int width = compAccessor.getWidth(target);
513 int height = compAccessor.getHeight(target);
514 warningWindow.reposition(x, y, width, height);
515 }
516 }
517
518 // ---- FRAME PEER METHODS ---- //
519
520 @Override // FramePeer and DialogPeer
521 public void setTitle(String title) {
522 platformWindow.setTitle(title == null ? "" : title);
523 }
524
525 @Override
526 public void setMenuBar(MenuBar mb) {
527 platformWindow.setMenuBar(mb);
528 }
529
530 @Override // FramePeer and DialogPeer
531 public void setResizable(boolean resizable) {
532 platformWindow.setResizable(resizable);
533 }
534
535 @Override
536 public void setState(int state) {
537 platformWindow.setWindowState(state);
538 }
539
540 @Override
541 public int getState() {
542 return windowState;
543 }
544
545 @Override
546 public void setMaximizedBounds(Rectangle bounds) {
547 // TODO: not implemented
548 }
549
550 @Override
551 public void setBoundsPrivate(int x, int y, int width, int height) {
552 setBounds(x, y, width, height, SET_BOUNDS | NO_EMBEDDED_CHECK);
553 }
554
555 @Override
556 public Rectangle getBoundsPrivate() {
557 throw new RuntimeException("not implemented");
558 }
559
560 // ---- DIALOG PEER METHODS ---- //
561
562 @Override
563 public void blockWindows(List<Window> windows) {
564 //TODO: LWX will probably need some collectJavaToplevels to speed this up
565 for (Window w : windows) {
566 WindowPeer wp =
567 (WindowPeer) AWTAccessor.getComponentAccessor().getPeer(w);
568 if (wp != null) {
569 wp.setModalBlocked((Dialog)getTarget(), true);
570 }
571 }
572 }
573
574 // ---- PEER NOTIFICATIONS ---- //
575
576 @Override
577 public void notifyIconify(boolean iconify) {
578 //The toplevel target is Frame and states are applicable to it.
579 //Otherwise, the target is Window and it don't have state property.
580 //Hopefully, no such events are posted in the queue so consider the
581 //target as Frame in all cases.
582
583 // REMIND: should we send it anyway if the state not changed since last
584 // time?
585 WindowEvent iconifyEvent = new WindowEvent(getTarget(),
586 iconify ? WindowEvent.WINDOW_ICONIFIED
587 : WindowEvent.WINDOW_DEICONIFIED);
588 postEvent(iconifyEvent);
589
590 int newWindowState = iconify ? Frame.ICONIFIED : Frame.NORMAL;
591 postWindowStateChangedEvent(newWindowState);
592
593 // REMIND: RepaintManager doesn't repaint iconified windows and
594 // hence ignores any repaint request during deiconification.
595 // So, we need to repaint window explicitly when it becomes normal.
596 if (!iconify) {
597 repaintPeer();
598 }
599 }
600
601 @Override
602 public void notifyZoom(boolean isZoomed) {
603 int newWindowState = isZoomed ? Frame.MAXIMIZED_BOTH : Frame.NORMAL;
604 postWindowStateChangedEvent(newWindowState);
605 }
606
607 /**
608 * Called by the {@code PlatformWindow} when any part of the window should
609 * be repainted.
610 */
611 @Override
612 public void notifyExpose(final Rectangle r) {
613 repaintPeer(r);
614 }
615
616 /**
617 * Called by the {@code PlatformWindow} when this window is moved/resized by
618 * user or window insets are changed. There's no notifyReshape() in
619 * LWComponentPeer as the only components which could be resized by user are
620 * top-level windows.
621 */
622 @Override
623 public void notifyReshape(int x, int y, int w, int h) {
624 Rectangle oldBounds = getBounds();
625 final boolean invalid = updateInsets(platformWindow.getInsets());
626 final boolean moved = (x != oldBounds.x) || (y != oldBounds.y);
627 final boolean resized = (w != oldBounds.width) || (h != oldBounds.height);
628
629 // Check if anything changed
630 if (!moved && !resized && !invalid) {
631 return;
632 }
633 // First, update peer's bounds
634 setBounds(x, y, w, h, SET_BOUNDS, false, false);
635
636 // Second, update the graphics config and surface data
637 final boolean isNewDevice = updateGraphicsDevice();
638 if (resized || isNewDevice) {
639 replaceSurfaceData();
640 updateMinimumSize();
641 }
642
643 // Third, COMPONENT_MOVED/COMPONENT_RESIZED/PAINT events
644 if (moved || invalid) {
645 handleMove(x, y, true);
646 }
647 if (resized || invalid || isNewDevice) {
648 handleResize(w, h, true);
649 repaintPeer();
650 }
651
652 repositionSecurityWarning();
653 }
654
655 private void clearBackground(final int w, final int h) {
656 final Graphics g = getOnscreenGraphics(getForeground(), getBackground(),
657 getFont());
658 if (g != null) {
659 try {
660 if (g instanceof Graphics2D) {
661 ((Graphics2D) g).setComposite(AlphaComposite.Src);
662 }
663 if (isTranslucent()) {
664 g.setColor(nonOpaqueBackground);
665 g.fillRect(0, 0, w, h);
666 }
667 if (!isTextured()) {
668 if (g instanceof SunGraphics2D) {
669 ((SunGraphics2D) g).constrain(0, 0, w, h, getRegion());
670 }
671 g.setColor(getBackground());
672 g.fillRect(0, 0, w, h);
673 }
674 } finally {
675 g.dispose();
676 }
677 }
678 }
679
680 @Override
681 public void notifyUpdateCursor() {
682 getLWToolkit().getCursorManager().updateCursorLater(this);
683 }
684
685 @Override
686 public void notifyActivation(boolean activation, LWWindowPeer opposite) {
687 Window oppositeWindow = (opposite == null)? null : opposite.getTarget();
688 changeFocusedWindow(activation, oppositeWindow);
689 }
690
691 // MouseDown in non-client area
692 @Override
693 public void notifyNCMouseDown() {
694 // Ungrab except for a click on a Dialog with the grabbing owner
695 if (grabbingWindow != null &&
696 !grabbingWindow.isOneOfOwnersOf(this))
697 {
698 grabbingWindow.ungrab();
699 }
700 }
701
702 // ---- EVENTS ---- //
703
704 /*
705 * Called by the delegate to dispatch the event to Java. Event
706 * coordinates are relative to non-client window are, i.e. the top-left
707 * point of the client area is (insets.top, insets.left).
708 */
709 @Override
710 public void notifyMouseEvent(int id, long when, int button,
711 int x, int y, int screenX, int screenY,
712 int modifiers, int clickCount, boolean popupTrigger,
713 byte[] bdata)
714 {
715 // TODO: fill "bdata" member of AWTEvent
716 Rectangle r = getBounds();
717 // findPeerAt() expects parent coordinates
718 LWComponentPeer<?, ?> targetPeer = findPeerAt(r.x + x, r.y + y);
719
720 if (id == MouseEvent.MOUSE_EXITED) {
721 isMouseOver = false;
722 if (lastMouseEventPeer != null) {
723 if (lastMouseEventPeer.isEnabled()) {
724 Point lp = lastMouseEventPeer.windowToLocal(x, y,
725 this);
726 Component target = lastMouseEventPeer.getTarget();
727 postMouseExitedEvent(target, when, modifiers, lp,
728 screenX, screenY, clickCount, popupTrigger, button);
729 }
730
731 // Sometimes we may get MOUSE_EXITED after lastCommonMouseEventPeer is switched
732 // to a peer from another window. So we must first check if this peer is
733 // the same as lastWindowPeer
734 if (lastCommonMouseEventPeer != null && lastCommonMouseEventPeer.getWindowPeerOrSelf() == this) {
735 lastCommonMouseEventPeer = null;
736 }
737 lastMouseEventPeer = null;
738 }
739 } else if(id == MouseEvent.MOUSE_ENTERED) {
740 isMouseOver = true;
741 if (targetPeer != null) {
742 if (targetPeer.isEnabled()) {
743 Point lp = targetPeer.windowToLocal(x, y, this);
744 Component target = targetPeer.getTarget();
745 postMouseEnteredEvent(target, when, modifiers, lp,
746 screenX, screenY, clickCount, popupTrigger, button);
747 }
748 lastCommonMouseEventPeer = targetPeer;
749 lastMouseEventPeer = targetPeer;
750 }
751 } else {
752 PlatformWindow topmostPlatforWindow =
753 platformWindow.getTopmostPlatformWindowUnderMouse();
754
755 LWWindowPeer topmostWindowPeer =
756 topmostPlatforWindow != null ? topmostPlatforWindow.getPeer() : null;
757
758 // topmostWindowPeer == null condition is added for the backward
759 // compatibility with applets. It can be removed when the
760 // getTopmostPlatformWindowUnderMouse() method will be properly
761 // implemented in CPlatformEmbeddedFrame class
762 if (topmostWindowPeer == this || topmostWindowPeer == null) {
763 generateMouseEnterExitEventsForComponents(when, button, x, y,
764 screenX, screenY, modifiers, clickCount, popupTrigger,
765 targetPeer);
766 } else {
767 LWComponentPeer<?, ?> topmostTargetPeer =
768 topmostWindowPeer != null ? topmostWindowPeer.findPeerAt(r.x + x, r.y + y) : null;
769 topmostWindowPeer.generateMouseEnterExitEventsForComponents(when, button, x, y,
770 screenX, screenY, modifiers, clickCount, popupTrigger,
771 topmostTargetPeer);
772 }
773
774 // TODO: fill "bdata" member of AWTEvent
775
776 int eventButtonMask = (button > 0)? MouseEvent.getMaskForButton(button) : 0;
777 int otherButtonsPressed = modifiers & ~eventButtonMask;
778
779 // For pressed/dragged/released events OS X treats other
780 // mouse buttons as if they were BUTTON2, so we do the same
781 int targetIdx = (button > 3) ? MouseEvent.BUTTON2 - 1 : button - 1;
782
783 // MOUSE_ENTERED/EXITED are generated for the components strictly under
784 // mouse even when dragging. That's why we first update lastMouseEventPeer
785 // based on initial targetPeer value and only then recalculate targetPeer
786 // for MOUSE_DRAGGED/RELEASED events
787 if (id == MouseEvent.MOUSE_PRESSED) {
788
789 // Ungrab only if this window is not an owned window of the grabbing one.
790 if (!isGrabbing() && grabbingWindow != null &&
791 !grabbingWindow.isOneOfOwnersOf(this))
792 {
793 grabbingWindow.ungrab();
794 }
795 if (otherButtonsPressed == 0) {
796 mouseClickButtons = eventButtonMask;
797 } else {
798 mouseClickButtons |= eventButtonMask;
799 }
800
801 // The window should be focused on mouse click. If it gets activated by the native platform,
802 // this request will be no op. It will take effect when:
803 // 1. A simple not focused window is clicked.
804 // 2. An active but not focused owner frame/dialog is clicked.
805 // The mouse event then will trigger a focus request "in window" to the component, so the window
806 // should gain focus before.
807 requestWindowFocus(CausedFocusEvent.Cause.MOUSE_EVENT);
808
809 mouseDownTarget[targetIdx] = targetPeer;
810 } else if (id == MouseEvent.MOUSE_DRAGGED) {
811 // Cocoa dragged event has the information about which mouse
812 // button is being dragged. Use it to determine the peer that
813 // should receive the dragged event.
814 targetPeer = mouseDownTarget[targetIdx];
815 mouseClickButtons &= ~modifiers;
816 } else if (id == MouseEvent.MOUSE_RELEASED) {
817 // TODO: currently, mouse released event goes to the same component
818 // that received corresponding mouse pressed event. For most cases,
819 // it's OK, however, we need to make sure that our behavior is consistent
820 // with 1.6 for cases where component in question have been
821 // hidden/removed in between of mouse pressed/released events.
822 targetPeer = mouseDownTarget[targetIdx];
823
824 if ((modifiers & eventButtonMask) == 0) {
825 mouseDownTarget[targetIdx] = null;
826 }
827
828 // mouseClickButtons is updated below, after MOUSE_CLICK is sent
829 }
830
831 if (targetPeer == null) {
832 //TODO This can happen if this window is invisible. this is correct behavior in this case?
833 targetPeer = this;
834 }
835
836
837 Point lp = targetPeer.windowToLocal(x, y, this);
838 if (targetPeer.isEnabled()) {
839 MouseEvent event = new MouseEvent(targetPeer.getTarget(), id,
840 when, modifiers, lp.x, lp.y,
841 screenX, screenY, clickCount,
842 popupTrigger, button);
843 postEvent(event);
844 }
845
846 if (id == MouseEvent.MOUSE_RELEASED) {
847 if ((mouseClickButtons & eventButtonMask) != 0
848 && targetPeer.isEnabled()) {
849 postEvent(new MouseEvent(targetPeer.getTarget(),
850 MouseEvent.MOUSE_CLICKED,
851 when, modifiers,
852 lp.x, lp.y, screenX, screenY,
853 clickCount, popupTrigger, button));
854 }
855 mouseClickButtons &= ~eventButtonMask;
856 }
857 }
858 notifyUpdateCursor();
859 }
860
861 private void generateMouseEnterExitEventsForComponents(long when,
862 int button, int x, int y, int screenX, int screenY,
863 int modifiers, int clickCount, boolean popupTrigger,
864 final LWComponentPeer<?, ?> targetPeer) {
865
866 if (!isMouseOver || targetPeer == lastMouseEventPeer) {
867 return;
868 }
869
870 // Generate Mouse Exit for components
871 if (lastMouseEventPeer != null && lastMouseEventPeer.isEnabled()) {
872 Point oldp = lastMouseEventPeer.windowToLocal(x, y, this);
873 Component target = lastMouseEventPeer.getTarget();
874 postMouseExitedEvent(target, when, modifiers, oldp, screenX, screenY,
875 clickCount, popupTrigger, button);
876 }
877 lastCommonMouseEventPeer = targetPeer;
878 lastMouseEventPeer = targetPeer;
879
880 // Generate Mouse Enter for components
881 if (targetPeer != null && targetPeer.isEnabled()) {
882 Point newp = targetPeer.windowToLocal(x, y, this);
883 Component target = targetPeer.getTarget();
884 postMouseEnteredEvent(target, when, modifiers, newp, screenX, screenY, clickCount, popupTrigger, button);
885 }
886 }
887
888 private void postMouseEnteredEvent(Component target, long when, int modifiers,
889 Point loc, int xAbs, int yAbs,
890 int clickCount, boolean popupTrigger, int button) {
891
892 updateSecurityWarningVisibility();
893
894 postEvent(new MouseEvent(target,
895 MouseEvent.MOUSE_ENTERED,
896 when, modifiers,
897 loc.x, loc.y, xAbs, yAbs,
898 clickCount, popupTrigger, button));
899 }
900
901 private void postMouseExitedEvent(Component target, long when, int modifiers,
902 Point loc, int xAbs, int yAbs,
903 int clickCount, boolean popupTrigger, int button) {
904
905 updateSecurityWarningVisibility();
906
907 postEvent(new MouseEvent(target,
908 MouseEvent.MOUSE_EXITED,
909 when, modifiers,
910 loc.x, loc.y, xAbs, yAbs,
911 clickCount, popupTrigger, button));
912 }
913
914 @Override
915 public void notifyMouseWheelEvent(long when, int x, int y, int modifiers,
916 int scrollType, int scrollAmount,
917 int wheelRotation, double preciseWheelRotation,
918 byte[] bdata)
919 {
920 // TODO: could we just use the last mouse event target here?
921 Rectangle r = getBounds();
922 // findPeerAt() expects parent coordinates
923 final LWComponentPeer<?, ?> targetPeer = findPeerAt(r.x + x, r.y + y);
924 if (targetPeer == null || !targetPeer.isEnabled()) {
925 return;
926 }
927
928 Point lp = targetPeer.windowToLocal(x, y, this);
929 // TODO: fill "bdata" member of AWTEvent
930 // TODO: screenX/screenY
931 postEvent(new MouseWheelEvent(targetPeer.getTarget(),
932 MouseEvent.MOUSE_WHEEL,
933 when, modifiers,
934 lp.x, lp.y,
935 0, 0, /* screenX, Y */
936 0 /* clickCount */, false /* popupTrigger */,
937 scrollType, scrollAmount,
938 wheelRotation, preciseWheelRotation));
939 }
940
941 /*
942 * Called by the delegate when a key is pressed.
943 */
944 @Override
945 public void notifyKeyEvent(int id, long when, int modifiers,
946 int keyCode, char keyChar, int keyLocation)
947 {
948 LWKeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
949 Component focusOwner = kfmPeer.getCurrentFocusOwner();
950
951 if (focusOwner == null) {
952 focusOwner = kfmPeer.getCurrentFocusedWindow();
953 if (focusOwner == null) {
954 focusOwner = this.getTarget();
955 }
956 }
957
958 KeyEvent keyEvent = new KeyEvent(focusOwner, id, when, modifiers,
959 keyCode, keyChar, keyLocation);
960 AWTAccessor.getKeyEventAccessor().setExtendedKeyCode(keyEvent,
961 (keyChar == KeyEvent.CHAR_UNDEFINED) ? keyCode
962 : ExtendedKeyCodes.getExtendedKeyCodeForChar(keyChar));
963 postEvent(keyEvent);
964 }
965
966 // ---- UTILITY METHODS ---- //
967
968 private void activateDisplayListener() {
969 final GraphicsEnvironment ge =
970 GraphicsEnvironment.getLocalGraphicsEnvironment();
971 ((SunGraphicsEnvironment) ge).addDisplayChangedListener(this);
972 }
973
974 private void deactivateDisplayListener() {
975 final GraphicsEnvironment ge =
976 GraphicsEnvironment.getLocalGraphicsEnvironment();
977 ((SunGraphicsEnvironment) ge).removeDisplayChangedListener(this);
978 }
979
980 private void postWindowStateChangedEvent(int newWindowState) {
981 if (getTarget() instanceof Frame) {
982 AWTAccessor.getFrameAccessor().setExtendedState(
983 (Frame)getTarget(), newWindowState);
984 }
985
986 WindowEvent stateChangedEvent = new WindowEvent(getTarget(),
987 WindowEvent.WINDOW_STATE_CHANGED,
988 windowState, newWindowState);
989 postEvent(stateChangedEvent);
990 windowState = newWindowState;
991
992 updateSecurityWarningVisibility();
993 }
994
995 private static int getGraphicsConfigScreen(GraphicsConfiguration gc) {
996 // TODO: this method can be implemented in a more
997 // efficient way by forwarding to the delegate
998 GraphicsDevice gd = gc.getDevice();
999 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
1000 GraphicsDevice[] gds = ge.getScreenDevices();
1001 for (int i = 0; i < gds.length; i++) {
1002 if (gds[i] == gd) {
1003 return i;
1004 }
1005 }
1006 // Should never happen if gc is a screen device config
1007 return 0;
1008 }
1009
1010 /*
1011 * This method is called when window's graphics config is changed from
1012 * the app code (e.g. when the window is made non-opaque) or when
1013 * the window is moved to another screen by user.
1014 *
1015 * Returns true if the graphics config has been changed, false otherwise.
1016 */
1017 private boolean setGraphicsConfig(GraphicsConfiguration gc) {
1018 synchronized (getStateLock()) {
1019 if (graphicsConfig == gc) {
1020 return false;
1021 }
1022 // If window's graphics config is changed from the app code, the
1023 // config correspond to the same device as before; when the window
1024 // is moved by user, graphicsDevice is updated in notifyReshape().
1025 // In either case, there's nothing to do with screenOn here
1026 graphicsConfig = gc;
1027 }
1028 // SurfaceData is replaced later in updateGraphicsData()
1029 return true;
1030 }
1031
1032 /**
1033 * Returns true if the GraphicsDevice has been changed, false otherwise.
1034 */
1035 public boolean updateGraphicsDevice() {
1036 GraphicsDevice newGraphicsDevice = platformWindow.getGraphicsDevice();
1037 synchronized (getStateLock()) {
1038 if (graphicsDevice == newGraphicsDevice) {
1039 return false;
1040 }
1041 graphicsDevice = newGraphicsDevice;
1042 }
1043
1044 final GraphicsConfiguration newGC = newGraphicsDevice.getDefaultConfiguration();
1045
1046 if (!setGraphicsConfig(newGC)) return false;
1047
1048 SunToolkit.executeOnEventHandlerThread(getTarget(), new Runnable() {
1049 public void run() {
1050 AWTAccessor.getComponentAccessor().setGraphicsConfiguration(getTarget(), newGC);
1051 }
1052 });
1053 return true;
1054 }
1055
1056 @Override
1057 public final void displayChanged() {
1058 if (updateGraphicsDevice()) {
1059 updateMinimumSize();
1060 }
1061 // Replace surface unconditionally, because internal state of the
1062 // GraphicsDevice could be changed.
1063 replaceSurfaceData();
1064 repaintPeer();
1065 }
1066
1067 @Override
1068 public final void paletteChanged() {
1069 // components do not need to react to this event.
1070 }
1071
1072 /*
1073 * May be called by delegate to provide SD to Java2D code.
1074 */
1075 public SurfaceData getSurfaceData() {
1076 synchronized (surfaceDataLock) {
1077 return surfaceData;
1078 }
1079 }
1080
1081 private void replaceSurfaceData() {
1082 replaceSurfaceData(true);
1083 }
1084
1085 private void replaceSurfaceData(final boolean blit) {
1086 synchronized (surfaceDataLock) {
1087 final SurfaceData oldData = getSurfaceData();
1088 surfaceData = platformWindow.replaceSurfaceData();
1089 final Rectangle size = getSize();
1090 if (getSurfaceData() != null && oldData != getSurfaceData()) {
1091 clearBackground(size.width, size.height);
1092 }
1093
1094 if (blit) {
1095 blitSurfaceData(oldData, getSurfaceData());
1096 }
1097
1098 if (oldData != null && oldData != getSurfaceData()) {
1099 // TODO: drop oldData for D3D/WGL pipelines
1100 // This can only happen when this peer is being created
1101 oldData.flush();
1102 }
1103 }
1104 flushOnscreenGraphics();
1105 }
1106
1107 private void blitSurfaceData(final SurfaceData src, final SurfaceData dst) {
1108 //TODO blit. proof-of-concept
1109 if (src != dst && src != null && dst != null
1110 && !(dst instanceof NullSurfaceData)
1111 && !(src instanceof NullSurfaceData)
1112 && src.getSurfaceType().equals(dst.getSurfaceType())
1113 && src.getDefaultScale() == dst.getDefaultScale()) {
1114 final Rectangle size = src.getBounds();
1115 final Blit blit = Blit.locate(src.getSurfaceType(),
1116 CompositeType.Src,
1117 dst.getSurfaceType());
1118 if (blit != null) {
1119 blit.Blit(src, dst, AlphaComposite.Src, null, 0, 0, 0, 0,
1120 size.width, size.height);
1121 }
1122 }
1123 }
1124
1125 /**
1126 * Request the window insets from the delegate and compares it with the
1127 * current one. This method is mostly called by the delegate, e.g. when the
1128 * window state is changed and insets should be recalculated.
1129 * <p/>
1130 * This method may be called on the toolkit thread.
1131 */
1132 public final boolean updateInsets(final Insets newInsets) {
1133 synchronized (getStateLock()) {
1134 if (insets.equals(newInsets)) {
1135 return false;
1136 }
1137 insets = newInsets;
1138 }
1139 return true;
1140 }
1141
1142 public static LWWindowPeer getWindowUnderCursor() {
1143 return lastCommonMouseEventPeer != null ? lastCommonMouseEventPeer.getWindowPeerOrSelf() : null;
1144 }
1145
1146 public static LWComponentPeer<?, ?> getPeerUnderCursor() {
1147 return lastCommonMouseEventPeer;
1148 }
1149
1150 /*
1151 * Requests platform to set native focus on a frame/dialog.
1152 * In case of a simple window, triggers appropriate java focus change.
1153 */
1154 public boolean requestWindowFocus(CausedFocusEvent.Cause cause) {
1155 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1156 focusLog.fine("requesting native focus to " + this);
1157 }
1158
1159 if (!focusAllowedFor()) {
1160 focusLog.fine("focus is not allowed");
1161 return false;
1162 }
1163
1164 if (platformWindow.rejectFocusRequest(cause)) {
1165 return false;
1166 }
1167
1168 AppContext targetAppContext = AWTAccessor.getComponentAccessor().getAppContext(getTarget());
1169 KeyboardFocusManager kfm = AWTAccessor.getKeyboardFocusManagerAccessor()
1170 .getCurrentKeyboardFocusManager(targetAppContext);
1171 Window currentActive = kfm.getActiveWindow();
1172
1173
1174 Window opposite = LWKeyboardFocusManagerPeer.getInstance().
1175 getCurrentFocusedWindow();
1176
1177 // Make the owner active window.
1178 if (isSimpleWindow()) {
1179 LWWindowPeer owner = getOwnerFrameDialog(this);
1180
1181 // If owner is not natively active, request native
1182 // activation on it w/o sending events up to java.
1183 if (owner != null && !owner.platformWindow.isActive()) {
1184 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1185 focusLog.fine("requesting native focus to the owner " + owner);
1186 }
1187 LWWindowPeer currentActivePeer = currentActive == null ? null :
1188 (LWWindowPeer) AWTAccessor.getComponentAccessor().getPeer(
1189 currentActive);
1190
1191 // Ensure the opposite is natively active and suppress sending events.
1192 if (currentActivePeer != null && currentActivePeer.platformWindow.isActive()) {
1193 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1194 focusLog.fine("the opposite is " + currentActivePeer);
1195 }
1196 currentActivePeer.skipNextFocusChange = true;
1197 }
1198 owner.skipNextFocusChange = true;
1199
1200 owner.platformWindow.requestWindowFocus();
1201 }
1202
1203 // DKFM will synthesize all the focus/activation events correctly.
1204 changeFocusedWindow(true, opposite);
1205 return true;
1206
1207 // In case the toplevel is active but not focused, change focus directly,
1208 // as requesting native focus on it will not have effect.
1209 } else if (getTarget() == currentActive && !getTarget().hasFocus()) {
1210
1211 changeFocusedWindow(true, opposite);
1212 return true;
1213 }
1214
1215 return platformWindow.requestWindowFocus();
1216 }
1217
1218 protected boolean focusAllowedFor() {
1219 Window window = getTarget();
1220 // TODO: check if modal blocked
1221 return window.isVisible() && window.isEnabled() && isFocusableWindow();
1222 }
1223
1224 private boolean isFocusableWindow() {
1225 boolean focusable = targetFocusable;
1226 if (isSimpleWindow()) {
1227 LWWindowPeer ownerPeer = getOwnerFrameDialog(this);
1228 if (ownerPeer == null) {
1229 return false;
1230 }
1231 return focusable && ownerPeer.targetFocusable;
1232 }
1233 return focusable;
1234 }
1235
1236 public boolean isSimpleWindow() {
1237 Window window = getTarget();
1238 return !(window instanceof Dialog || window instanceof Frame);
1239 }
1240
1241 @Override
1242 public void emulateActivation(boolean activate) {
1243 changeFocusedWindow(activate, null);
1244 }
1245
1246 @SuppressWarnings("deprecation")
1247 private boolean isOneOfOwnersOf(LWWindowPeer peer) {
1248 Window owner = (peer != null ? peer.getTarget().getOwner() : null);
1249 while (owner != null) {
1250 if ((LWWindowPeer)owner.getPeer() == this) {
1251 return true;
1252 }
1253 owner = owner.getOwner();
1254 }
1255 return false;
1256 }
1257
1258 /*
1259 * Changes focused window on java level.
1260 */
1261 protected void changeFocusedWindow(boolean becomesFocused, Window opposite) {
1262 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1263 focusLog.fine((becomesFocused?"gaining":"loosing") + " focus window: " + this);
1264 }
1265 if (skipNextFocusChange) {
1266 focusLog.fine("skipping focus change");
1267 skipNextFocusChange = false;
1268 return;
1269 }
1270 if (!isFocusableWindow() && becomesFocused) {
1271 focusLog.fine("the window is not focusable");
1272 return;
1273 }
1274 if (becomesFocused) {
1275 synchronized (getPeerTreeLock()) {
1276 if (blocker != null) {
1277 if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
1278 focusLog.finest("the window is blocked by " + blocker);
1279 }
1280 return;
1281 }
1282 }
1283 }
1284
1285 // Note, the method is not called:
1286 // - when the opposite (gaining focus) window is an owned/owner window.
1287 // - for a simple window in any case.
1288 if (!becomesFocused &&
1289 (isGrabbing() || this.isOneOfOwnersOf(grabbingWindow)))
1290 {
1291 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1292 focusLog.fine("ungrabbing on " + grabbingWindow);
1293 }
1294 // ungrab a simple window if its owner looses activation.
1295 grabbingWindow.ungrab();
1296 }
1297
1298 KeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
1299
1300 if (!becomesFocused && kfmPeer.getCurrentFocusedWindow() != getTarget()) {
1301 // late window focus lost event - ingoring
1302 return;
1303 }
1304
1305 kfmPeer.setCurrentFocusedWindow(becomesFocused ? getTarget() : null);
1306
1307 int eventID = becomesFocused ? WindowEvent.WINDOW_GAINED_FOCUS : WindowEvent.WINDOW_LOST_FOCUS;
1308 WindowEvent windowEvent = new TimedWindowEvent(getTarget(), eventID, opposite, System.currentTimeMillis());
1309
1310 // TODO: wrap in SequencedEvent
1311 postEvent(windowEvent);
1312 }
1313
1314 /*
1315 * Retrieves the owner of the peer.
1316 * Note: this method returns the owner which can be activated, (i.e. the instance
1317 * of Frame or Dialog may be returned).
1318 */
1319 static LWWindowPeer getOwnerFrameDialog(LWWindowPeer peer) {
1320 Window owner = (peer != null ? peer.getTarget().getOwner() : null);
1321 while (owner != null && !(owner instanceof Frame || owner instanceof Dialog)) {
1322 owner = owner.getOwner();
1323 }
1324 return owner == null ? null :
1325 (LWWindowPeer) AWTAccessor.getComponentAccessor().getPeer(owner);
1326 }
1327
1328 /**
1329 * Returns the foremost modal blocker of this window, or null.
1330 */
1331 public LWWindowPeer getBlocker() {
1332 synchronized (getPeerTreeLock()) {
1333 LWWindowPeer blocker = this.blocker;
1334 if (blocker == null) {
1335 return null;
1336 }
1337 while (blocker.blocker != null) {
1338 blocker = blocker.blocker;
1339 }
1340 return blocker;
1341 }
1342 }
1343
1344 @Override
1345 public void enterFullScreenMode() {
1346 platformWindow.enterFullScreenMode();
1347 updateSecurityWarningVisibility();
1348 }
1349
1350 @Override
1351 public void exitFullScreenMode() {
1352 platformWindow.exitFullScreenMode();
1353 updateSecurityWarningVisibility();
1354 }
1355
1356 public long getLayerPtr() {
1357 return getPlatformWindow().getLayerPtr();
1358 }
1359
1360 void grab() {
1361 if (grabbingWindow != null && !isGrabbing()) {
1362 grabbingWindow.ungrab();
1363 }
1364 grabbingWindow = this;
1365 }
1366
1367 final void ungrab(boolean doPost) {
1368 if (isGrabbing()) {
1369 grabbingWindow = null;
1370 if (doPost) {
1371 postEvent(new UngrabEvent(getTarget()));
1372 }
1373 }
1374 }
1375
1376 void ungrab() {
1377 ungrab(true);
1378 }
1379
1380 private boolean isGrabbing() {
1381 return this == grabbingWindow;
1382 }
1383
1384 public PeerType getPeerType() {
1385 return peerType;
1386 }
1387
1388 public void updateSecurityWarningVisibility() {
1389 if (warningWindow == null) {
1390 return;
1391 }
1392
1393 if (!isVisible()) {
1394 return; // The warning window should already be hidden.
1395 }
1396
1397 boolean show = false;
1398
1399 if (!platformWindow.isFullScreenMode()) {
1400 if (isVisible()) {
1401 if (LWKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow() ==
1402 getTarget()) {
1403 show = true;
1404 }
1405
1406 if (platformWindow.isUnderMouse() || warningWindow.isUnderMouse()) {
1407 show = true;
1408 }
1409 }
1410 }
1411
1412 warningWindow.setVisible(show, true);
1413 }
1414
1415 @Override
1416 public String toString() {
1417 return super.toString() + " [target is " + getTarget() + "]";
1418 }
1419 }