1 /*
2 * Copyright (c) 2011, 2013, 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 static 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 // Window bounds reported by the native system (as opposed to
60 // regular bounds inherited from LWComponentPeer which are
61 // requested by user and may haven't been applied yet because
62 // of asynchronous requests to the windowing system)
63 private int sysX;
64 private int sysY;
65 private int sysW;
66 private int sysH;
67
68 private static final int MINIMUM_WIDTH = 1;
69 private static final int MINIMUM_HEIGHT = 1;
70
71 private Insets insets = new Insets(0, 0, 0, 0);
72
73 private GraphicsDevice graphicsDevice;
74 private GraphicsConfiguration graphicsConfig;
75
76 private SurfaceData surfaceData;
77 private final Object surfaceDataLock = new Object();
78
79 private volatile int windowState = Frame.NORMAL;
80
81 // check that the mouse is over the window
82 private volatile boolean isMouseOver = false;
83
84 private static final Object lastCommonMouseEventPeerLock = new Object();
85 // A peer where the last mouse event came to. Used by cursor manager to
86 // find the component under cursor
87 private static LWComponentPeer lastCommonMouseEventPeer = null;
88
89 // A peer where the last mouse event came to. Used to generate
90 // MOUSE_ENTERED/EXITED notifications
91 private volatile LWComponentPeer lastMouseEventPeer;
92
93 // Peers where all dragged/released events should come to,
94 // depending on what mouse button is being dragged according to Cocoa
95 private static LWComponentPeer mouseDownTarget[] = new LWComponentPeer[3];
96
97 // A bitmask that indicates what mouse buttons produce MOUSE_CLICKED events
98 // on MOUSE_RELEASE. Click events are only generated if there were no drag
99 // events between MOUSE_PRESSED and MOUSE_RELEASED for particular button
100 private static int mouseClickButtons = 0;
101
102 private volatile boolean isOpaque = true;
103
104 private static final Font DEFAULT_FONT = new Font("Lucida Grande", Font.PLAIN, 13);
105
106 private static LWWindowPeer grabbingWindow;
107
108 private volatile boolean skipNextFocusChange;
109
110 private static final Color nonOpaqueBackground = new Color(0, 0, 0, 0);
111
112 private volatile boolean textured;
113
114 private final PeerType peerType;
115
116 private final SecurityWarningWindow warningWindow;
117
118 /**
119 * Current modal blocker or null.
120 *
121 * Synchronization: peerTreeLock.
122 */
123 private LWWindowPeer blocker;
124
125 public LWWindowPeer(Window target, PlatformComponent platformComponent,
126 PlatformWindow platformWindow, PeerType peerType)
127 {
128 super(target, platformComponent);
129 this.platformWindow = platformWindow;
130 this.peerType = peerType;
131
132 Window owner = target.getOwner();
133 LWWindowPeer ownerPeer = (owner != null) ? (LWWindowPeer)owner.getPeer() : null;
134 PlatformWindow ownerDelegate = (ownerPeer != null) ? ownerPeer.getPlatformWindow() : null;
135
136 // The delegate.initialize() needs a non-null GC on X11.
137 GraphicsConfiguration gc = getTarget().getGraphicsConfiguration();
138 synchronized (getStateLock()) {
139 // graphicsConfig should be updated according to the real window
140 // bounds when the window is shown, see 4868278
141 this.graphicsConfig = gc;
142 }
143
144 if (!target.isFontSet()) {
145 target.setFont(DEFAULT_FONT);
146 }
147
148 if (!target.isBackgroundSet()) {
149 target.setBackground(SystemColor.window);
150 } else {
151 // first we check if user provided alpha for background. This is
152 // similar to what Apple's Java do.
153 // Since JDK7 we should rely on setOpacity() only.
154 // this.opacity = c.getAlpha();
155 }
156
157 if (!target.isForegroundSet()) {
158 target.setForeground(SystemColor.windowText);
159 // we should not call setForeground because it will call a repaint
160 // which the peer may not be ready to do yet.
161 }
162
163 platformWindow.initialize(target, this, ownerDelegate);
164
165 // Init warning window(for applets)
166 SecurityWarningWindow warn = null;
167 if (((Window)target).getWarningString() != null) {
168 // accessSystemTray permission allows to display TrayIcon, TrayIcon tooltip
169 // and TrayIcon balloon windows without a warning window.
170 if (!AWTAccessor.getWindowAccessor().isTrayIconWindow((Window)target)) {
171 LWToolkit toolkit = (LWToolkit)Toolkit.getDefaultToolkit();
172 warn = toolkit.createSecurityWarning(target, this);
173 }
174 }
175
176 warningWindow = warn;
177 }
178
179 @Override
180 void initializeImpl() {
181 super.initializeImpl();
182
183
184 if (getTarget() instanceof Frame) {
185 setTitle(((Frame) getTarget()).getTitle());
186 setState(((Frame) getTarget()).getExtendedState());
187 } else if (getTarget() instanceof Dialog) {
188 setTitle(((Dialog) getTarget()).getTitle());
189 }
190
191 updateAlwaysOnTopState();
192 updateMinimumSize();
193
194 final Shape shape = getTarget().getShape();
195 if (shape != null) {
196 applyShape(Region.getInstance(shape, null));
197 }
198
199 final float opacity = getTarget().getOpacity();
200 if (opacity < 1.0f) {
201 setOpacity(opacity);
202 }
203
204 setOpaque(getTarget().isOpaque());
205
206 updateInsets(platformWindow.getInsets());
207 if (getSurfaceData() == null) {
208 replaceSurfaceData(false);
209 }
210 activateDisplayListener();
211 }
212
213 // Just a helper method
214 public PlatformWindow getPlatformWindow() {
215 return platformWindow;
216 }
217
218 @Override
219 protected LWWindowPeer getWindowPeerOrSelf() {
220 return this;
221 }
222
223 // ---- PEER METHODS ---- //
224
225 @Override
226 protected void disposeImpl() {
227 deactivateDisplayListener();
228 SurfaceData oldData = getSurfaceData();
229 synchronized (surfaceDataLock){
230 surfaceData = null;
231 }
232 if (oldData != null) {
233 oldData.invalidate();
234 }
235 if (isGrabbing()) {
236 ungrab();
237 }
238 if (warningWindow != null) {
239 warningWindow.dispose();
240 }
241
242 platformWindow.dispose();
243 super.disposeImpl();
244 }
245
246 @Override
247 protected void setVisibleImpl(final boolean visible) {
248 if (!visible && warningWindow != null) {
249 warningWindow.setVisible(false, false);
250 }
251
252 super.setVisibleImpl(visible);
253 // TODO: update graphicsConfig, see 4868278
254 platformWindow.setVisible(visible);
255 if (isSimpleWindow()) {
256 KeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
257
258 if (visible) {
259 if (!getTarget().isAutoRequestFocus()) {
260 return;
261 } else {
262 requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
263 }
264 // Focus the owner in case this window is focused.
265 } else if (kfmPeer.getCurrentFocusedWindow() == getTarget()) {
266 // Transfer focus to the owner.
267 LWWindowPeer owner = getOwnerFrameDialog(LWWindowPeer.this);
268 if (owner != null) {
269 owner.requestWindowFocus(CausedFocusEvent.Cause.ACTIVATION);
270 }
271 }
272 }
273 }
274
275 @Override
276 public final GraphicsConfiguration getGraphicsConfiguration() {
277 synchronized (getStateLock()) {
278 return graphicsConfig;
279 }
280 }
281
282 @Override
283 public boolean updateGraphicsData(GraphicsConfiguration gc) {
284 setGraphicsConfig(gc);
285 return false;
286 }
287
288 protected final Graphics getOnscreenGraphics(Color fg, Color bg, Font f) {
289 if (getSurfaceData() == null) {
290 return null;
291 }
292 if (fg == null) {
293 fg = SystemColor.windowText;
294 }
295 if (bg == null) {
296 bg = SystemColor.window;
297 }
298 if (f == null) {
299 f = DEFAULT_FONT;
300 }
301 return platformWindow.transformGraphics(new SunGraphics2D(getSurfaceData(), fg, bg, f));
302 }
303
304 @Override
305 public void setBounds(int x, int y, int w, int h, int op) {
306
307 if((op & NO_EMBEDDED_CHECK) == 0 && getPeerType() == PeerType.VIEW_EMBEDDED_FRAME) {
308 return;
309 }
310
311 if ((op & SET_CLIENT_SIZE) != 0) {
312 // SET_CLIENT_SIZE is only applicable to window peers, so handle it here
313 // instead of pulling 'insets' field up to LWComponentPeer
314 // no need to add insets since Window's notion of width and height includes insets.
315 op &= ~SET_CLIENT_SIZE;
316 op |= SET_SIZE;
317 }
318
319 if (w < MINIMUM_WIDTH) {
320 w = MINIMUM_WIDTH;
321 }
322 if (h < MINIMUM_HEIGHT) {
323 h = MINIMUM_HEIGHT;
324 }
325
326 final int maxW = getLWGC().getMaxTextureWidth();
327 final int maxH = getLWGC().getMaxTextureHeight();
328
329 if (w > maxW) {
330 w = maxW;
331 }
332 if (h > maxH) {
333 h = maxH;
334 }
335
336 // Don't post ComponentMoved/Resized and Paint events
337 // until we've got a notification from the delegate
338 setBounds(x, y, w, h, op, false, false);
339 // Get updated bounds, so we don't have to handle 'op' here manually
340 Rectangle r = getBounds();
341 platformWindow.setBounds(r.x, r.y, r.width, r.height);
342 }
343
344 @Override
345 public Point getLocationOnScreen() {
346 return platformWindow.getLocationOnScreen();
347 }
348
349 /**
350 * Overridden from LWContainerPeer to return the correct insets.
351 * Insets are queried from the delegate and are kept up to date by
352 * requiering when needed (i.e. when the window geometry is changed).
353 */
354 @Override
355 public Insets getInsets() {
356 synchronized (getStateLock()) {
357 return insets;
358 }
359 }
360
361 @Override
362 public FontMetrics getFontMetrics(Font f) {
363 // TODO: check for "use platform metrics" settings
364 return platformWindow.getFontMetrics(f);
365 }
366
367 @Override
368 public void toFront() {
369 platformWindow.toFront();
370 }
371
372 @Override
373 public void toBack() {
374 platformWindow.toBack();
375 }
376
377 @Override
378 public void setZOrder(ComponentPeer above) {
379 throw new RuntimeException("not implemented");
380 }
381
382 @Override
383 public void updateAlwaysOnTopState() {
384 platformWindow.setAlwaysOnTop(getTarget().isAlwaysOnTop());
385 }
386
387 @Override
388 public void updateFocusableWindowState() {
389 platformWindow.updateFocusableWindowState();
390 }
391
392 @Override
393 public void setModalBlocked(Dialog blocker, boolean blocked) {
394 synchronized (getPeerTreeLock()) {
395 this.blocker = blocked ? (LWWindowPeer)blocker.getPeer() : null;
396 }
397
398 platformWindow.setModalBlocked(blocked);
399 }
400
401 @Override
402 public void updateMinimumSize() {
403 final Dimension min;
404 if (getTarget().isMinimumSizeSet()) {
405 min = getTarget().getMinimumSize();
406 min.width = Math.max(min.width, MINIMUM_WIDTH);
407 min.height = Math.max(min.height, MINIMUM_HEIGHT);
408 } else {
409 min = new Dimension(MINIMUM_WIDTH, MINIMUM_HEIGHT);
410 }
411
412 final Dimension max;
413 if (getTarget().isMaximumSizeSet()) {
414 max = getTarget().getMaximumSize();
415 max.width = Math.min(max.width, getLWGC().getMaxTextureWidth());
416 max.height = Math.min(max.height, getLWGC().getMaxTextureHeight());
417 } else {
418 max = new Dimension(getLWGC().getMaxTextureWidth(),
419 getLWGC().getMaxTextureHeight());
420 }
421
422 platformWindow.setSizeConstraints(min.width, min.height, max.width, max.height);
423 }
424
425 @Override
426 public void updateIconImages() {
427 getPlatformWindow().updateIconImages();
428 }
429
430 @Override
431 public void setOpacity(float opacity) {
432 getPlatformWindow().setOpacity(opacity);
433 repaintPeer();
434 }
435
436 @Override
437 public final void setOpaque(final boolean isOpaque) {
438 if (this.isOpaque != isOpaque) {
439 this.isOpaque = isOpaque;
440 updateOpaque();
441 }
442 }
443
444 private void updateOpaque() {
445 getPlatformWindow().setOpaque(!isTranslucent());
446 replaceSurfaceData(false);
447 repaintPeer();
448 }
449
450 @Override
451 public void updateWindow() {
452 }
453
454 public final boolean isTextured() {
455 return textured;
456 }
457
458 public final void setTextured(final boolean isTextured) {
459 textured = isTextured;
460 }
461
462 public final boolean isTranslucent() {
463 synchronized (getStateLock()) {
464 /*
465 * Textured window is a special case of translucent window.
466 * The difference is only in nswindow background. So when we set
467 * texture property our peer became fully translucent. It doesn't
468 * fill background, create non opaque backbuffers and layer etc.
469 */
470 return !isOpaque || isShaped() || isTextured();
471 }
472 }
473
474 @Override
475 final void applyShapeImpl(final Region shape) {
476 super.applyShapeImpl(shape);
477 updateOpaque();
478 }
479
480 @Override
481 public void repositionSecurityWarning() {
482 if (warningWindow != null) {
483 AWTAccessor.ComponentAccessor compAccessor = AWTAccessor.getComponentAccessor();
484 Window target = getTarget();
485 int x = compAccessor.getX(target);
486 int y = compAccessor.getY(target);
487 int width = compAccessor.getWidth(target);
488 int height = compAccessor.getHeight(target);
489 warningWindow.reposition(x, y, width, height);
490 }
491 }
492
493 // ---- FRAME PEER METHODS ---- //
494
495 @Override // FramePeer and DialogPeer
496 public void setTitle(String title) {
497 platformWindow.setTitle(title == null ? "" : title);
498 }
499
500 @Override
501 public void setMenuBar(MenuBar mb) {
502 platformWindow.setMenuBar(mb);
503 }
504
505 @Override // FramePeer and DialogPeer
506 public void setResizable(boolean resizable) {
507 platformWindow.setResizable(resizable);
508 }
509
510 @Override
511 public void setState(int state) {
512 platformWindow.setWindowState(state);
513 }
514
515 @Override
516 public int getState() {
517 return windowState;
518 }
519
520 @Override
521 public void setMaximizedBounds(Rectangle bounds) {
522 // TODO: not implemented
523 }
524
525 @Override
526 public void setBoundsPrivate(int x, int y, int width, int height) {
527 setBounds(x, y, width, height, SET_BOUNDS | NO_EMBEDDED_CHECK);
528 }
529
530 @Override
531 public Rectangle getBoundsPrivate() {
532 throw new RuntimeException("not implemented");
533 }
534
535 // ---- DIALOG PEER METHODS ---- //
536
537 @Override
538 public void blockWindows(List<Window> windows) {
539 //TODO: LWX will probably need some collectJavaToplevels to speed this up
540 for (Window w : windows) {
541 WindowPeer wp = (WindowPeer)w.getPeer();
542 if (wp != null) {
543 wp.setModalBlocked((Dialog)getTarget(), true);
544 }
545 }
546 }
547
548 // ---- PEER NOTIFICATIONS ---- //
549
550 @Override
551 public void notifyIconify(boolean iconify) {
552 //The toplevel target is Frame and states are applicable to it.
553 //Otherwise, the target is Window and it don't have state property.
554 //Hopefully, no such events are posted in the queue so consider the
555 //target as Frame in all cases.
556
557 // REMIND: should we send it anyway if the state not changed since last
558 // time?
559 WindowEvent iconifyEvent = new WindowEvent(getTarget(),
560 iconify ? WindowEvent.WINDOW_ICONIFIED
561 : WindowEvent.WINDOW_DEICONIFIED);
562 postEvent(iconifyEvent);
563
564 int newWindowState = iconify ? Frame.ICONIFIED : Frame.NORMAL;
565 postWindowStateChangedEvent(newWindowState);
566
567 // REMIND: RepaintManager doesn't repaint iconified windows and
568 // hence ignores any repaint request during deiconification.
569 // So, we need to repaint window explicitly when it becomes normal.
570 if (!iconify) {
571 repaintPeer();
572 }
573 }
574
575 @Override
576 public void notifyZoom(boolean isZoomed) {
577 int newWindowState = isZoomed ? Frame.MAXIMIZED_BOTH : Frame.NORMAL;
578 postWindowStateChangedEvent(newWindowState);
579 }
580
581 /**
582 * Called by the {@code PlatformWindow} when any part of the window should
583 * be repainted.
584 */
585 @Override
586 public void notifyExpose(final Rectangle r) {
587 repaintPeer(r);
588 }
589
590 /**
591 * Called by the {@code PlatformWindow} when this window is moved/resized by
592 * user or window insets are changed. There's no notifyReshape() in
593 * LWComponentPeer as the only components which could be resized by user are
594 * top-level windows.
595 */
596 @Override
597 public void notifyReshape(int x, int y, int w, int h) {
598 final boolean moved;
599 final boolean resized;
600 final boolean invalid = updateInsets(platformWindow.getInsets());
601 synchronized (getStateLock()) {
602 moved = (x != sysX) || (y != sysY);
603 resized = (w != sysW) || (h != sysH);
604 sysX = x;
605 sysY = y;
606 sysW = w;
607 sysH = h;
608 }
609
610 // Check if anything changed
611 if (!moved && !resized && !invalid) {
612 return;
613 }
614 // First, update peer's bounds
615 setBounds(x, y, w, h, SET_BOUNDS, false, false);
616
617 // Second, update the graphics config and surface data
618 final boolean isNewDevice = updateGraphicsDevice();
619 if (resized || isNewDevice) {
620 replaceSurfaceData();
621 }
622
623 // Third, COMPONENT_MOVED/COMPONENT_RESIZED/PAINT events
624 if (moved || invalid) {
625 handleMove(x, y, true);
626 }
627 if (resized || invalid || isNewDevice) {
628 handleResize(w, h, true);
629 repaintPeer();
630 }
631
632 repositionSecurityWarning();
633 }
634
635 private void clearBackground(final int w, final int h) {
636 final Graphics g = getOnscreenGraphics(getForeground(), getBackground(),
637 getFont());
638 if (g != null) {
639 try {
640 if (g instanceof Graphics2D) {
641 ((Graphics2D) g).setComposite(AlphaComposite.Src);
642 }
643 if (isTranslucent()) {
644 g.setColor(nonOpaqueBackground);
645 g.fillRect(0, 0, w, h);
646 }
647 if (!isTextured()) {
648 if (g instanceof SunGraphics2D) {
649 ((SunGraphics2D) g).constrain(0, 0, w, h, getRegion());
650 }
651 g.setColor(getBackground());
652 g.fillRect(0, 0, w, h);
653 }
654 } finally {
655 g.dispose();
656 }
657 }
658 }
659
660 @Override
661 public void notifyUpdateCursor() {
662 getLWToolkit().getCursorManager().updateCursorLater(this);
663 }
664
665 @Override
666 public void notifyActivation(boolean activation, LWWindowPeer opposite) {
667 Window oppositeWindow = (opposite == null)? null : opposite.getTarget();
668 changeFocusedWindow(activation, oppositeWindow);
669 }
670
671 // MouseDown in non-client area
672 @Override
673 public void notifyNCMouseDown() {
674 // Ungrab except for a click on a Dialog with the grabbing owner
675 if (grabbingWindow != null &&
676 grabbingWindow != getOwnerFrameDialog(this))
677 {
678 grabbingWindow.ungrab();
679 }
680 }
681
682 // ---- EVENTS ---- //
683
684 /*
685 * Called by the delegate to dispatch the event to Java. Event
686 * coordinates are relative to non-client window are, i.e. the top-left
687 * point of the client area is (insets.top, insets.left).
688 */
689 @Override
690 public void notifyMouseEvent(int id, long when, int button,
691 int x, int y, int screenX, int screenY,
692 int modifiers, int clickCount, boolean popupTrigger,
693 byte[] bdata)
694 {
695 // TODO: fill "bdata" member of AWTEvent
696 Rectangle r = getBounds();
697 // findPeerAt() expects parent coordinates
698 LWComponentPeer targetPeer = findPeerAt(r.x + x, r.y + y);
699
700 if (id == MouseEvent.MOUSE_EXITED) {
701 isMouseOver = false;
702 if (lastMouseEventPeer != null) {
703 if (lastMouseEventPeer.isEnabled()) {
704 Point lp = lastMouseEventPeer.windowToLocal(x, y,
705 this);
706 Component target = lastMouseEventPeer.getTarget();
707 postMouseExitedEvent(target, when, modifiers, lp,
708 screenX, screenY, clickCount, popupTrigger, button);
709 }
710
711 // Sometimes we may get MOUSE_EXITED after lastCommonMouseEventPeer is switched
712 // to a peer from another window. So we must first check if this peer is
713 // the same as lastWindowPeer
714 cleanLastCommonMouseEventPeer(this);
715 lastMouseEventPeer = null;
716 }
717 } else if(id == MouseEvent.MOUSE_ENTERED) {
718 isMouseOver = true;
719 if (targetPeer != null) {
720 if (targetPeer.isEnabled()) {
721 Point lp = targetPeer.windowToLocal(x, y, this);
722 Component target = targetPeer.getTarget();
723 postMouseEnteredEvent(target, when, modifiers, lp,
724 screenX, screenY, clickCount, popupTrigger, button);
725 }
726 setLastCommonMouseEventPeer(targetPeer);
727 lastMouseEventPeer = targetPeer;
728 }
729 } else {
730 PlatformWindow topmostPlatforWindow =
731 platformWindow.getTopmostPlatformWindowUnderMouse();
732
733 LWWindowPeer topmostWindowPeer =
734 topmostPlatforWindow != null ? topmostPlatforWindow.getPeer() : null;
735
736 // topmostWindowPeer == null condition is added for the backward
737 // compatibility with applets. It can be removed when the
738 // getTopmostPlatformWindowUnderMouse() method will be properly
739 // implemented in CPlatformEmbeddedFrame class
740 if (topmostWindowPeer == this || topmostWindowPeer == null) {
741 generateMouseEnterExitEventsForComponents(when, button, x, y,
742 screenX, screenY, modifiers, clickCount, popupTrigger,
743 targetPeer);
744 } else {
745 LWComponentPeer topmostTargetPeer =
746 topmostWindowPeer != null ? topmostWindowPeer.findPeerAt(r.x + x, r.y + y) : null;
747 topmostWindowPeer.generateMouseEnterExitEventsForComponents(when, button, x, y,
748 screenX, screenY, modifiers, clickCount, popupTrigger,
749 topmostTargetPeer);
750 }
751
752 // TODO: fill "bdata" member of AWTEvent
753
754 int eventButtonMask = (button > 0)? MouseEvent.getMaskForButton(button) : 0;
755 int otherButtonsPressed = modifiers & ~eventButtonMask;
756
757 // For pressed/dragged/released events OS X treats other
758 // mouse buttons as if they were BUTTON2, so we do the same
759 int targetIdx = (button > 3) ? MouseEvent.BUTTON2 - 1 : button - 1;
760
761 // MOUSE_ENTERED/EXITED are generated for the components strictly under
762 // mouse even when dragging. That's why we first update lastMouseEventPeer
763 // based on initial targetPeer value and only then recalculate targetPeer
764 // for MOUSE_DRAGGED/RELEASED events
765 if (id == MouseEvent.MOUSE_PRESSED) {
766
767 // Ungrab only if this window is not an owned window of the grabbing one.
768 if (!isGrabbing() && grabbingWindow != null &&
769 grabbingWindow != getOwnerFrameDialog(this))
770 {
771 grabbingWindow.ungrab();
772 }
773 if (otherButtonsPressed == 0) {
774 mouseClickButtons = eventButtonMask;
775 } else {
776 mouseClickButtons |= eventButtonMask;
777 }
778
779 // The window should be focused on mouse click. If it gets activated by the native platform,
780 // this request will be no op. It will take effect when:
781 // 1. A simple not focused window is clicked.
782 // 2. An active but not focused owner frame/dialog is clicked.
783 // The mouse event then will trigger a focus request "in window" to the component, so the window
784 // should gain focus before.
785 requestWindowFocus(CausedFocusEvent.Cause.MOUSE_EVENT);
786
787 mouseDownTarget[targetIdx] = targetPeer;
788 } else if (id == MouseEvent.MOUSE_DRAGGED) {
789 // Cocoa dragged event has the information about which mouse
790 // button is being dragged. Use it to determine the peer that
791 // should receive the dragged event.
792 targetPeer = mouseDownTarget[targetIdx];
793 mouseClickButtons &= ~modifiers;
794 } else if (id == MouseEvent.MOUSE_RELEASED) {
795 // TODO: currently, mouse released event goes to the same component
796 // that received corresponding mouse pressed event. For most cases,
797 // it's OK, however, we need to make sure that our behavior is consistent
798 // with 1.6 for cases where component in question have been
799 // hidden/removed in between of mouse pressed/released events.
800 targetPeer = mouseDownTarget[targetIdx];
801
802 if ((modifiers & eventButtonMask) == 0) {
803 mouseDownTarget[targetIdx] = null;
804 }
805
806 // mouseClickButtons is updated below, after MOUSE_CLICK is sent
807 }
808
809 if (targetPeer == null) {
810 //TODO This can happen if this window is invisible. this is correct behavior in this case?
811 targetPeer = this;
812 }
813
814
815 Point lp = targetPeer.windowToLocal(x, y, this);
816 if (targetPeer.isEnabled()) {
817 MouseEvent event = new MouseEvent(targetPeer.getTarget(), id,
818 when, modifiers, lp.x, lp.y,
819 screenX, screenY, clickCount,
820 popupTrigger, button);
821 postEvent(event);
822 }
823
824 if (id == MouseEvent.MOUSE_RELEASED) {
825 if ((mouseClickButtons & eventButtonMask) != 0
826 && targetPeer.isEnabled()) {
827 postEvent(new MouseEvent(targetPeer.getTarget(),
828 MouseEvent.MOUSE_CLICKED,
829 when, modifiers,
830 lp.x, lp.y, screenX, screenY,
831 clickCount, popupTrigger, button));
832 }
833 mouseClickButtons &= ~eventButtonMask;
834 }
835 }
836 notifyUpdateCursor();
837 }
838
839 private void generateMouseEnterExitEventsForComponents(long when,
840 int button, int x, int y, int screenX, int screenY,
841 int modifiers, int clickCount, boolean popupTrigger,
842 LWComponentPeer targetPeer) {
843
844 if (!isMouseOver || targetPeer == lastMouseEventPeer) {
845 return;
846 }
847
848 // Generate Mouse Exit for components
849 if (lastMouseEventPeer != null && lastMouseEventPeer.isEnabled()) {
850 Point oldp = lastMouseEventPeer.windowToLocal(x, y, this);
851 Component target = lastMouseEventPeer.getTarget();
852 postMouseExitedEvent(target, when, modifiers, oldp, screenX, screenY,
853 clickCount, popupTrigger, button);
854 }
855 setLastCommonMouseEventPeer(targetPeer);
856 lastMouseEventPeer = targetPeer;
857
858 // Generate Mouse Enter for components
859 if (targetPeer != null && targetPeer.isEnabled()) {
860 Point newp = targetPeer.windowToLocal(x, y, this);
861 Component target = targetPeer.getTarget();
862 postMouseEnteredEvent(target, when, modifiers, newp, screenX, screenY, clickCount, popupTrigger, button);
863 }
864 }
865
866 private void postMouseEnteredEvent(Component target, long when, int modifiers,
867 Point loc, int xAbs, int yAbs,
868 int clickCount, boolean popupTrigger, int button) {
869
870 updateSecurityWarningVisibility();
871
872 postEvent(new MouseEvent(target,
873 MouseEvent.MOUSE_ENTERED,
874 when, modifiers,
875 loc.x, loc.y, xAbs, yAbs,
876 clickCount, popupTrigger, button));
877 }
878
879 private void postMouseExitedEvent(Component target, long when, int modifiers,
880 Point loc, int xAbs, int yAbs,
881 int clickCount, boolean popupTrigger, int button) {
882
883 updateSecurityWarningVisibility();
884
885 postEvent(new MouseEvent(target,
886 MouseEvent.MOUSE_EXITED,
887 when, modifiers,
888 loc.x, loc.y, xAbs, yAbs,
889 clickCount, popupTrigger, button));
890 }
891
892 @Override
893 public void notifyMouseWheelEvent(long when, int x, int y, int modifiers,
894 int scrollType, int scrollAmount,
895 int wheelRotation, double preciseWheelRotation,
896 byte[] bdata)
897 {
898 // TODO: could we just use the last mouse event target here?
899 Rectangle r = getBounds();
900 // findPeerAt() expects parent coordinates
901 final LWComponentPeer targetPeer = findPeerAt(r.x + x, r.y + y);
902 if (targetPeer == null || !targetPeer.isEnabled()) {
903 return;
904 }
905
906 Point lp = targetPeer.windowToLocal(x, y, this);
907 // TODO: fill "bdata" member of AWTEvent
908 // TODO: screenX/screenY
909 postEvent(new MouseWheelEvent(targetPeer.getTarget(),
910 MouseEvent.MOUSE_WHEEL,
911 when, modifiers,
912 lp.x, lp.y,
913 0, 0, /* screenX, Y */
914 0 /* clickCount */, false /* popupTrigger */,
915 scrollType, scrollAmount,
916 wheelRotation, preciseWheelRotation));
917 }
918
919 /*
920 * Called by the delegate when a key is pressed.
921 */
922 @Override
923 public void notifyKeyEvent(int id, long when, int modifiers,
924 int keyCode, char keyChar, int keyLocation)
925 {
926 LWKeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
927 Component focusOwner = kfmPeer.getCurrentFocusOwner();
928
929 if (focusOwner == null) {
930 focusOwner = kfmPeer.getCurrentFocusedWindow();
931 if (focusOwner == null) {
932 focusOwner = this.getTarget();
933 }
934 }
935 postEvent(new KeyEvent(focusOwner, id, when, modifiers, keyCode, keyChar, keyLocation));
936 }
937
938 // ---- UTILITY METHODS ---- //
939
940 private void activateDisplayListener() {
941 final GraphicsEnvironment ge =
942 GraphicsEnvironment.getLocalGraphicsEnvironment();
943 ((SunGraphicsEnvironment) ge).addDisplayChangedListener(this);
944 }
945
946 private void deactivateDisplayListener() {
947 final GraphicsEnvironment ge =
948 GraphicsEnvironment.getLocalGraphicsEnvironment();
949 ((SunGraphicsEnvironment) ge).removeDisplayChangedListener(this);
950 }
951
952 private void postWindowStateChangedEvent(int newWindowState) {
953 if (getTarget() instanceof Frame) {
954 AWTAccessor.getFrameAccessor().setExtendedState(
955 (Frame)getTarget(), newWindowState);
956 }
957
958 WindowEvent stateChangedEvent = new WindowEvent(getTarget(),
959 WindowEvent.WINDOW_STATE_CHANGED,
960 windowState, newWindowState);
961 postEvent(stateChangedEvent);
962 windowState = newWindowState;
963
964 updateSecurityWarningVisibility();
965 }
966
967 private static int getGraphicsConfigScreen(GraphicsConfiguration gc) {
968 // TODO: this method can be implemented in a more
969 // efficient way by forwarding to the delegate
970 GraphicsDevice gd = gc.getDevice();
971 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
972 GraphicsDevice[] gds = ge.getScreenDevices();
973 for (int i = 0; i < gds.length; i++) {
974 if (gds[i] == gd) {
975 return i;
976 }
977 }
978 // Should never happen if gc is a screen device config
979 return 0;
980 }
981
982 /*
983 * This method is called when window's graphics config is changed from
984 * the app code (e.g. when the window is made non-opaque) or when
985 * the window is moved to another screen by user.
986 *
987 * Returns true if the graphics config has been changed, false otherwise.
988 */
989 private boolean setGraphicsConfig(GraphicsConfiguration gc) {
990 synchronized (getStateLock()) {
991 if (graphicsConfig == gc) {
992 return false;
993 }
994 // If window's graphics config is changed from the app code, the
995 // config correspond to the same device as before; when the window
996 // is moved by user, graphicsDevice is updated in notifyReshape().
997 // In either case, there's nothing to do with screenOn here
998 graphicsConfig = gc;
999 }
1000 // SurfaceData is replaced later in updateGraphicsData()
1001 return true;
1002 }
1003
1004 /**
1005 * Returns true if the GraphicsDevice has been changed, false otherwise.
1006 */
1007 public boolean updateGraphicsDevice() {
1008 GraphicsDevice newGraphicsDevice = platformWindow.getGraphicsDevice();
1009 synchronized (getStateLock()) {
1010 if (graphicsDevice == newGraphicsDevice) {
1011 return false;
1012 }
1013 graphicsDevice = newGraphicsDevice;
1014 }
1015
1016 final GraphicsConfiguration newGC = newGraphicsDevice.getDefaultConfiguration();
1017
1018 if (!setGraphicsConfig(newGC)) return false;
1019
1020 SunToolkit.executeOnEventHandlerThread(getTarget(), new Runnable() {
1021 public void run() {
1022 AWTAccessor.getComponentAccessor().setGraphicsConfiguration(getTarget(), newGC);
1023 }
1024 });
1025 return true;
1026 }
1027
1028 @Override
1029 public final void displayChanged() {
1030 updateGraphicsDevice();
1031 // Replace surface unconditionally, because internal state of the
1032 // GraphicsDevice could be changed.
1033 replaceSurfaceData();
1034 repaintPeer();
1035 }
1036
1037 @Override
1038 public final void paletteChanged() {
1039 // components do not need to react to this event.
1040 }
1041
1042 /*
1043 * May be called by delegate to provide SD to Java2D code.
1044 */
1045 public SurfaceData getSurfaceData() {
1046 synchronized (surfaceDataLock) {
1047 return surfaceData;
1048 }
1049 }
1050
1051 private void replaceSurfaceData() {
1052 replaceSurfaceData(true);
1053 }
1054
1055 private void replaceSurfaceData(final boolean blit) {
1056 synchronized (surfaceDataLock) {
1057 final SurfaceData oldData = getSurfaceData();
1058 surfaceData = platformWindow.replaceSurfaceData();
1059 final Rectangle size = getSize();
1060 if (getSurfaceData() != null && oldData != getSurfaceData()) {
1061 clearBackground(size.width, size.height);
1062 }
1063
1064 if (blit) {
1065 blitSurfaceData(oldData, getSurfaceData());
1066 }
1067
1068 if (oldData != null && oldData != getSurfaceData()) {
1069 // TODO: drop oldData for D3D/WGL pipelines
1070 // This can only happen when this peer is being created
1071 oldData.flush();
1072 }
1073 }
1074 flushOnscreenGraphics();
1075 }
1076
1077 private void blitSurfaceData(final SurfaceData src, final SurfaceData dst) {
1078 //TODO blit. proof-of-concept
1079 if (src != dst && src != null && dst != null
1080 && !(dst instanceof NullSurfaceData)
1081 && !(src instanceof NullSurfaceData)
1082 && src.getSurfaceType().equals(dst.getSurfaceType())
1083 && src.getDefaultScale() == dst.getDefaultScale()) {
1084 final Rectangle size = src.getBounds();
1085 final Blit blit = Blit.locate(src.getSurfaceType(),
1086 CompositeType.Src,
1087 dst.getSurfaceType());
1088 if (blit != null) {
1089 blit.Blit(src, dst, AlphaComposite.Src, null, 0, 0, 0, 0,
1090 size.width, size.height);
1091 }
1092 }
1093 }
1094
1095 /**
1096 * Request the window insets from the delegate and compares it with the
1097 * current one. This method is mostly called by the delegate, e.g. when the
1098 * window state is changed and insets should be recalculated.
1099 * <p/>
1100 * This method may be called on the toolkit thread.
1101 */
1102 public final boolean updateInsets(final Insets newInsets) {
1103 synchronized (getStateLock()) {
1104 if (insets.equals(newInsets)) {
1105 return false;
1106 }
1107 insets = newInsets;
1108 }
1109 return true;
1110 }
1111
1112 public static LWWindowPeer getWindowUnderCursor() {
1113 synchronized (lastCommonMouseEventPeerLock) {
1114 return lastCommonMouseEventPeer != null ? lastCommonMouseEventPeer.getWindowPeerOrSelf() : null;
1115 }
1116 }
1117
1118 public static LWComponentPeer<?, ?> getPeerUnderCursor() {
1119 synchronized (lastCommonMouseEventPeerLock) {
1120 return lastCommonMouseEventPeer;
1121 }
1122 }
1123
1124 static boolean cleanLastCommonMouseEventPeer(LWWindowPeer previous) {
1125 synchronized (lastCommonMouseEventPeerLock) {
1126 if (lastCommonMouseEventPeer != null && lastCommonMouseEventPeer.getWindowPeerOrSelf() == previous) {
1127 lastCommonMouseEventPeer = null;
1128 return true;
1129 }
1130 return false;
1131 }
1132 }
1133
1134 static void setLastCommonMouseEventPeer(LWComponentPeer<?, ?> newValue) {
1135 synchronized (lastCommonMouseEventPeerLock) {
1136 lastCommonMouseEventPeer = newValue;
1137 }
1138 }
1139
1140 /*
1141 * Requests platform to set native focus on a frame/dialog.
1142 * In case of a simple window, triggers appropriate java focus change.
1143 */
1144 public boolean requestWindowFocus(CausedFocusEvent.Cause cause) {
1145 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1146 focusLog.fine("requesting native focus to " + this);
1147 }
1148
1149 if (!focusAllowedFor()) {
1150 focusLog.fine("focus is not allowed");
1151 return false;
1152 }
1153
1154 if (platformWindow.rejectFocusRequest(cause)) {
1155 return false;
1156 }
1157
1158 Window currentActive = KeyboardFocusManager.
1159 getCurrentKeyboardFocusManager().getActiveWindow();
1160
1161 Window opposite = LWKeyboardFocusManagerPeer.getInstance().
1162 getCurrentFocusedWindow();
1163
1164 // Make the owner active window.
1165 if (isSimpleWindow()) {
1166 LWWindowPeer owner = getOwnerFrameDialog(this);
1167
1168 // If owner is not natively active, request native
1169 // activation on it w/o sending events up to java.
1170 if (owner != null && !owner.platformWindow.isActive()) {
1171 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1172 focusLog.fine("requesting native focus to the owner " + owner);
1173 }
1174 LWWindowPeer currentActivePeer = (currentActive != null ?
1175 (LWWindowPeer)currentActive.getPeer() : null);
1176
1177 // Ensure the opposite is natively active and suppress sending events.
1178 if (currentActivePeer != null && currentActivePeer.platformWindow.isActive()) {
1179 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1180 focusLog.fine("the opposite is " + currentActivePeer);
1181 }
1182 currentActivePeer.skipNextFocusChange = true;
1183 }
1184 owner.skipNextFocusChange = true;
1185
1186 owner.platformWindow.requestWindowFocus();
1187 }
1188
1189 // DKFM will synthesize all the focus/activation events correctly.
1190 changeFocusedWindow(true, opposite);
1191 return true;
1192
1193 // In case the toplevel is active but not focused, change focus directly,
1194 // as requesting native focus on it will not have effect.
1195 } else if (getTarget() == currentActive && !getTarget().hasFocus()) {
1196
1197 changeFocusedWindow(true, opposite);
1198 return true;
1199 }
1200
1201 return platformWindow.requestWindowFocus();
1202 }
1203
1204 protected boolean focusAllowedFor() {
1205 Window window = getTarget();
1206 // TODO: check if modal blocked
1207 return window.isVisible() && window.isEnabled() && isFocusableWindow();
1208 }
1209
1210 private boolean isFocusableWindow() {
1211 boolean focusable = getTarget().isFocusableWindow();
1212 if (isSimpleWindow()) {
1213 LWWindowPeer ownerPeer = getOwnerFrameDialog(this);
1214 if (ownerPeer == null) {
1215 return false;
1216 }
1217 return focusable && ownerPeer.getTarget().isFocusableWindow();
1218 }
1219 return focusable;
1220 }
1221
1222 public boolean isSimpleWindow() {
1223 Window window = getTarget();
1224 return !(window instanceof Dialog || window instanceof Frame);
1225 }
1226
1227 @Override
1228 public void emulateActivation(boolean activate) {
1229 changeFocusedWindow(activate, null);
1230 }
1231
1232 /*
1233 * Changes focused window on java level.
1234 */
1235 protected void changeFocusedWindow(boolean becomesFocused, Window opposite) {
1236 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1237 focusLog.fine((becomesFocused?"gaining":"loosing") + " focus window: " + this);
1238 }
1239 if (skipNextFocusChange) {
1240 focusLog.fine("skipping focus change");
1241 skipNextFocusChange = false;
1242 return;
1243 }
1244 if (!isFocusableWindow() && becomesFocused) {
1245 focusLog.fine("the window is not focusable");
1246 return;
1247 }
1248 if (becomesFocused) {
1249 synchronized (getPeerTreeLock()) {
1250 if (blocker != null) {
1251 if (focusLog.isLoggable(PlatformLogger.Level.FINEST)) {
1252 focusLog.finest("the window is blocked by " + blocker);
1253 }
1254 return;
1255 }
1256 }
1257 }
1258
1259 // Note, the method is not called:
1260 // - when the opposite (gaining focus) window is an owned/owner window.
1261 // - for a simple window in any case.
1262 if (!becomesFocused &&
1263 (isGrabbing() || getOwnerFrameDialog(grabbingWindow) == this))
1264 {
1265 if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
1266 focusLog.fine("ungrabbing on " + grabbingWindow);
1267 }
1268 // ungrab a simple window if its owner looses activation.
1269 grabbingWindow.ungrab();
1270 }
1271
1272 KeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
1273 kfmPeer.setCurrentFocusedWindow(becomesFocused ? getTarget() : null);
1274
1275 int eventID = becomesFocused ? WindowEvent.WINDOW_GAINED_FOCUS : WindowEvent.WINDOW_LOST_FOCUS;
1276 WindowEvent windowEvent = new TimedWindowEvent(getTarget(), eventID, opposite, System.currentTimeMillis());
1277
1278 // TODO: wrap in SequencedEvent
1279 postEvent(windowEvent);
1280 }
1281
1282 static LWWindowPeer getOwnerFrameDialog(LWWindowPeer peer) {
1283 Window owner = (peer != null ? peer.getTarget().getOwner() : null);
1284 while (owner != null && !(owner instanceof Frame || owner instanceof Dialog)) {
1285 owner = owner.getOwner();
1286 }
1287 return owner != null ? (LWWindowPeer)owner.getPeer() : null;
1288 }
1289
1290 /**
1291 * Returns the foremost modal blocker of this window, or null.
1292 */
1293 public LWWindowPeer getBlocker() {
1294 synchronized (getPeerTreeLock()) {
1295 LWWindowPeer blocker = this.blocker;
1296 if (blocker == null) {
1297 return null;
1298 }
1299 while (blocker.blocker != null) {
1300 blocker = blocker.blocker;
1301 }
1302 return blocker;
1303 }
1304 }
1305
1306 public void enterFullScreenMode() {
1307 platformWindow.enterFullScreenMode();
1308 updateSecurityWarningVisibility();
1309 }
1310
1311 public void exitFullScreenMode() {
1312 platformWindow.exitFullScreenMode();
1313 updateSecurityWarningVisibility();
1314 }
1315
1316 public long getLayerPtr() {
1317 return getPlatformWindow().getLayerPtr();
1318 }
1319
1320 void grab() {
1321 if (grabbingWindow != null && !isGrabbing()) {
1322 grabbingWindow.ungrab();
1323 }
1324 grabbingWindow = this;
1325 }
1326
1327 final void ungrab(boolean doPost) {
1328 if (isGrabbing()) {
1329 grabbingWindow = null;
1330 if (doPost) {
1331 postEvent(new UngrabEvent(getTarget()));
1332 }
1333 }
1334 }
1335
1336 void ungrab() {
1337 ungrab(true);
1338 }
1339
1340 private boolean isGrabbing() {
1341 return this == grabbingWindow;
1342 }
1343
1344 public PeerType getPeerType() {
1345 return peerType;
1346 }
1347
1348 public void updateSecurityWarningVisibility() {
1349 if (warningWindow == null) {
1350 return;
1351 }
1352
1353 if (!isVisible()) {
1354 return; // The warning window should already be hidden.
1355 }
1356
1357 boolean show = false;
1358
1359 if (!platformWindow.isFullScreenMode()) {
1360 if (isVisible()) {
1361 if (LWKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow() ==
1362 getTarget()) {
1363 show = true;
1364 }
1365
1366 if (platformWindow.isUnderMouse() || warningWindow.isUnderMouse()) {
1367 show = true;
1368 }
1369 }
1370 }
1371
1372 warningWindow.setVisible(show, true);
1373 }
1374
1375 @Override
1376 public String toString() {
1377 return super.toString() + " [target is " + getTarget() + "]";
1378 }
1379 }