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