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