src/macosx/classes/sun/lwawt/LWWindowPeer.java

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  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.image.BufferedImage;
  31 import java.awt.peer.*;
  32 import java.util.List;
  33 
  34 import javax.swing.*;
  35 
  36 import sun.awt.*;
  37 import sun.java2d.*;
  38 import sun.java2d.loops.Blit;
  39 import sun.java2d.loops.CompositeType;

  40 import sun.util.logging.PlatformLogger;
  41 
  42 public class LWWindowPeer
  43     extends LWContainerPeer<Window, JComponent>
  44     implements WindowPeer, FramePeer, DialogPeer, FullScreenCapable
  45 {
  46     public static enum PeerType {
  47         SIMPLEWINDOW,
  48         FRAME,
  49         DIALOG,
  50         EMBEDDEDFRAME
  51     }
  52 
  53     private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.lwawt.focus.LWWindowPeer");
  54 
  55     private PlatformWindow platformWindow;
  56 
  57     // Window bounds reported by the native system (as opposed to
  58     // regular bounds inherited from LWComponentPeer which are
  59     // requested by user and may haven't been applied yet because


  92     // find the component under cursor
  93     private static volatile LWComponentPeer lastMouseEventPeer = null;
  94 
  95     // Peers where all dragged/released events should come to,
  96     // depending on what mouse button is being dragged according to Cocoa
  97     private static LWComponentPeer mouseDownTarget[] = new LWComponentPeer[3];
  98 
  99     // A bitmask that indicates what mouse buttons produce MOUSE_CLICKED events
 100     // on MOUSE_RELEASE. Click events are only generated if there were no drag
 101     // events between MOUSE_PRESSED and MOUSE_RELEASED for particular button
 102     private static int mouseClickButtons = 0;
 103 
 104     private volatile boolean isOpaque = true;
 105 
 106     private static final Font DEFAULT_FONT = new Font("Lucida Grande", Font.PLAIN, 13);
 107 
 108     private static LWWindowPeer grabbingWindow;
 109 
 110     private volatile boolean skipNextFocusChange;
 111 


 112     /**
 113      * Current modal blocker or null.
 114      *
 115      * Synchronization: peerTreeLock.
 116      */
 117     private LWWindowPeer blocker;
 118 
 119     public LWWindowPeer(Window target, PlatformComponent platformComponent,
 120                         PlatformWindow platformWindow)
 121     {
 122         super(target, platformComponent);
 123         this.platformWindow = platformWindow;
 124 
 125         Window owner = target.getOwner();
 126         LWWindowPeer ownerPeer = (owner != null) ? (LWWindowPeer)owner.getPeer() : null;
 127         PlatformWindow ownerDelegate = (ownerPeer != null) ? ownerPeer.getPlatformWindow() : null;
 128 
 129         // The delegate.initialize() needs a non-null GC on X11.
 130         GraphicsConfiguration gc = getTarget().getGraphicsConfiguration();
 131         synchronized (getStateLock()) {


 152             // we should not call setForeground because it will call a repaint
 153             // which the peer may not be ready to do yet.
 154         }
 155 
 156         platformWindow.initialize(target, this, ownerDelegate);
 157     }
 158 
 159     @Override
 160     void initializeImpl() {
 161         super.initializeImpl();
 162         if (getTarget() instanceof Frame) {
 163             setTitle(((Frame) getTarget()).getTitle());
 164             setState(((Frame) getTarget()).getExtendedState());
 165         } else if (getTarget() instanceof Dialog) {
 166             setTitle(((Dialog) getTarget()).getTitle());
 167         }
 168 
 169         setAlwaysOnTop(getTarget().isAlwaysOnTop());
 170         updateMinimumSize();
 171 





 172         final float opacity = getTarget().getOpacity();
 173         if (opacity < 1.0f) {
 174             setOpacity(opacity);
 175         }
 176 
 177         setOpaque(getTarget().isOpaque());
 178 
 179         updateInsets(platformWindow.getInsets());
 180         if (getSurfaceData() == null) {
 181             replaceSurfaceData();
 182         }
 183     }
 184 
 185     // Just a helper method
 186     public PlatformWindow getPlatformWindow() {
 187         return platformWindow;
 188     }
 189 
 190     @Override
 191     protected LWWindowPeer getWindowPeerOrSelf() {
 192         return this;
 193     }
 194 
 195     @Override
 196     protected void initializeContainerPeer() {
 197         // No-op as LWWindowPeer doesn't have any containerPeer
 198     }
 199 
 200     // ---- PEER METHODS ---- //
 201 


 277         if (bg == null) {
 278             bg = SystemColor.window;
 279         }
 280         if (f == null) {
 281             f = DEFAULT_FONT;
 282         }
 283         return platformWindow.transformGraphics(new SunGraphics2D(getSurfaceData(), fg, bg, f));
 284     }
 285 
 286     @Override
 287     public void createBuffers(int numBuffers, BufferCapabilities caps)
 288         throws AWTException
 289     {
 290         try {
 291             // Assume this method is never called with numBuffers <= 1, as 0 is
 292             // unsupported, and 1 corresponds to a SingleBufferStrategy which
 293             // doesn't depend on the peer. Screen is considered as a separate
 294             // "buffer", that's why numBuffers - 1
 295             assert numBuffers > 1;
 296 
 297             replaceSurfaceData(numBuffers - 1, caps);
 298         } catch (InvalidPipeException z) {
 299             throw new AWTException(z.toString());
 300         }
 301     }
 302 
 303     @Override
 304     public final Image getBackBuffer() {
 305         synchronized (getStateLock()) {
 306             return backBuffer;
 307         }
 308     }
 309 
 310     @Override
 311     public void flip(int x1, int y1, int x2, int y2,
 312                      BufferCapabilities.FlipContents flipAction)
 313     {
 314         platformWindow.flip(x1, y1, x2, y2, flipAction);
 315     }
 316 
 317     @Override


 417             d = new Dimension(MINIMUM_WIDTH, MINIMUM_HEIGHT);
 418         }
 419         platformWindow.setMinimumSize(d.width, d.height);
 420     }
 421 
 422     @Override
 423     public void updateIconImages() {
 424         getPlatformWindow().updateIconImages();
 425     }
 426 
 427     @Override
 428     public void setOpacity(float opacity) {
 429         getPlatformWindow().setOpacity(opacity);
 430         repaintPeer();
 431     }
 432 
 433     @Override
 434     public final void setOpaque(final boolean isOpaque) {
 435         if (this.isOpaque != isOpaque) {
 436             this.isOpaque = isOpaque;
 437             getPlatformWindow().setOpaque(isOpaque);
 438             replaceSurfaceData();
 439             repaintPeer();
 440         }
 441     }
 442 
 443     public final boolean isOpaque() {
 444         return isOpaque;
 445     }
 446 






 447     @Override
 448     public void updateWindow() {
 449         flushOffscreenGraphics();









 450     }
 451 
 452     @Override
 453     public void repositionSecurityWarning() {
 454         throw new RuntimeException("not implemented");
 455     }
 456 
 457     // ---- FRAME PEER METHODS ---- //
 458 
 459     @Override // FramePeer and DialogPeer
 460     public void setTitle(String title) {
 461         platformWindow.setTitle(title == null ? "" : title);
 462     }
 463 
 464     @Override
 465     public void setMenuBar(MenuBar mb) {
 466          platformWindow.setMenuBar(mb);
 467     }
 468 
 469     @Override // FramePeer and DialogPeer


 535         }
 536     }
 537 
 538     public void notifyZoom(boolean isZoomed) {
 539         int newWindowState = isZoomed ? Frame.MAXIMIZED_BOTH : Frame.NORMAL;
 540         postWindowStateChangedEvent(newWindowState);
 541     }
 542 
 543     /**
 544      * Called by the delegate when any part of the window should be repainted.
 545      */
 546     public void notifyExpose(final int x, final int y, final int w, final int h) {
 547         // TODO: there's a serious problem with Swing here: it handles
 548         // the exposition internally, so SwingPaintEventDispatcher always
 549         // return null from createPaintEvent(). However, we flush the
 550         // back buffer here unconditionally, so some flickering may appear.
 551         // A possible solution is to split postPaintEvent() into two parts,
 552         // and override that part which is only called after if
 553         // createPaintEvent() returned non-null value and flush the buffer
 554         // from the overridden method
 555         flushOnscreenGraphics();
 556         repaintPeer(new Rectangle(x, y, w, h));
 557     }
 558 
 559     /**
 560      * Called by the delegate when this window is moved/resized by user.
 561      * There's no notifyReshape() in LWComponentPeer as the only
 562      * components which could be resized by user are top-level windows.
 563      */
 564     public final void notifyReshape(int x, int y, int w, int h) {
 565         boolean moved = false;
 566         boolean resized = false;
 567         synchronized (getStateLock()) {
 568             moved = (x != sysX) || (y != sysY);
 569             resized = (w != sysW) || (h != sysH);
 570             sysX = x;
 571             sysY = y;
 572             sysW = w;
 573             sysH = h;
 574         }
 575 


 580         // First, update peer's bounds
 581         setBounds(x, y, w, h, SET_BOUNDS, false, false);
 582 
 583         // Second, update the graphics config and surface data
 584         checkIfOnNewScreen();
 585         if (resized) {
 586             replaceSurfaceData();
 587             flushOnscreenGraphics();
 588         }
 589 
 590         // Third, COMPONENT_MOVED/COMPONENT_RESIZED events
 591         if (moved) {
 592             handleMove(x, y, true);
 593         }
 594         if (resized) {
 595             handleResize(w, h,true);
 596         }
 597     }
 598 
 599     private void clearBackground(final int w, final int h) {
 600         final Graphics g = getOnscreenGraphics(getForeground(), getBackground(),

 601                                                getFont());
 602         if (g != null) {
 603             try {






 604                 g.clearRect(0, 0, w, h);
 605             } finally {
 606                 g.dispose();
 607             }
 608         }
 609     }
 610 
 611     public void notifyUpdateCursor() {
 612         getLWToolkit().getCursorManager().updateCursorLater(this);
 613     }
 614 
 615     public void notifyActivation(boolean activation) {
 616         changeFocusedWindow(activation);
 617     }
 618 
 619     // MouseDown in non-client area
 620     public void notifyNCMouseDown() {
 621         // Ungrab except for a click on a Dialog with the grabbing owner
 622         if (grabbingWindow != null &&
 623             grabbingWindow != getOwnerFrameDialog(this))


 891         GraphicsDevice newGraphicsDevice = platformWindow.getGraphicsDevice();
 892         synchronized (getStateLock()) {
 893             if (graphicsDevice == newGraphicsDevice) {
 894                 return;
 895             }
 896             graphicsDevice = newGraphicsDevice;
 897         }
 898 
 899         // TODO: DisplayChangedListener stuff
 900         final GraphicsConfiguration newGC = newGraphicsDevice.getDefaultConfiguration();
 901 
 902         if (!setGraphicsConfig(newGC)) return;
 903 
 904         SunToolkit.executeOnEventHandlerThread(getTarget(), new Runnable() {
 905             public void run() {
 906                 AWTAccessor.getComponentAccessor().setGraphicsConfiguration(getTarget(), newGC);
 907             }
 908         });
 909     }
 910 
 911     /**
 912      * This method returns a back buffer Graphics to render all the
 913      * peers to. After the peer is painted, the back buffer contents
 914      * should be flushed to the screen. All the target painting
 915      * (Component.paint() method) should be done directly to the screen.
 916      */
 917     protected final Graphics getOffscreenGraphics(Color fg, Color bg, Font f) {
 918         final Image bb = getBackBuffer();
 919         if (bb == null) {
 920             return null;
 921         }
 922         if (fg == null) {
 923             fg = SystemColor.windowText;
 924         }
 925         if (bg == null) {
 926             bg = SystemColor.window;
 927         }
 928         if (f == null) {
 929             f = DEFAULT_FONT;
 930         }
 931         final Graphics2D g = (Graphics2D) bb.getGraphics();
 932         if (g != null) {
 933             g.setColor(fg);
 934             g.setBackground(bg);
 935             g.setFont(f);
 936         }
 937         return g;
 938     }
 939 
 940     /*
 941      * May be called by delegate to provide SD to Java2D code.
 942      */
 943     public SurfaceData getSurfaceData() {
 944         synchronized (surfaceDataLock) {
 945             return surfaceData;
 946         }
 947     }
 948 
 949     private void replaceSurfaceData() {
 950         replaceSurfaceData(backBufferCount, backBufferCaps);




 951     }
 952 
 953     private void replaceSurfaceData(int newBackBufferCount,
 954                                                  BufferCapabilities newBackBufferCaps) {

 955         synchronized (surfaceDataLock) {
 956             final SurfaceData oldData = getSurfaceData();
 957             surfaceData = platformWindow.replaceSurfaceData();
 958             // TODO: volatile image
 959     //        VolatileImage oldBB = backBuffer;
 960             BufferedImage oldBB = backBuffer;
 961             backBufferCount = newBackBufferCount;
 962             backBufferCaps = newBackBufferCaps;
 963             final Rectangle size = getSize();
 964             if (getSurfaceData() != null && oldData != getSurfaceData()) {
 965                 clearBackground(size.width, size.height);
 966             }


 967             blitSurfaceData(oldData, getSurfaceData());

 968 
 969             if (oldData != null && oldData != getSurfaceData()) {
 970                 // TODO: drop oldData for D3D/WGL pipelines
 971                 // This can only happen when this peer is being created
 972                 oldData.flush();
 973             }
 974 
 975             // TODO: volatile image
 976     //        backBuffer = (VolatileImage)delegate.createBackBuffer();

 977             backBuffer = (BufferedImage) platformWindow.createBackBuffer();
 978             if (backBuffer != null) {
 979                 Graphics g = backBuffer.getGraphics();
 980                 try {
 981                     Rectangle r = getBounds();
 982                     g.setColor(getForeground());
 983                     ((Graphics2D) g).setBackground(getBackground());
 984                     g.clearRect(0, 0, r.width, r.height);

 985                     if (oldBB != null) {
 986                         // Draw the old back buffer to the new one
 987                         g.drawImage(oldBB, 0, 0, null);
 988                         oldBB.flush();
 989                     }
 990                 } finally {
 991                     g.dispose();

 992                 }
 993             }
 994         }
 995     }
 996 
 997     private void blitSurfaceData(final SurfaceData src, final SurfaceData dst) {
 998         //TODO blit. proof-of-concept
 999         if (src != dst && src != null && dst != null
1000             && !(dst instanceof NullSurfaceData)
1001             && !(src instanceof NullSurfaceData)
1002             && src.getSurfaceType().equals(dst.getSurfaceType())) {
1003             final Rectangle size = getSize();
1004             final Blit blit = Blit.locate(src.getSurfaceType(),
1005                                           CompositeType.Src,
1006                                           dst.getSurfaceType());
1007             if (blit != null) {
1008                 blit.Blit(src, dst, ((Graphics2D) getGraphics()).getComposite(),
1009                           getRegion(), 0, 0, 0, 0, size.width, size.height);
1010             }
1011         }




  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.image.BufferedImage;
  31 import java.awt.peer.*;
  32 import java.util.List;
  33 
  34 import javax.swing.*;
  35 
  36 import sun.awt.*;
  37 import sun.java2d.*;
  38 import sun.java2d.loops.Blit;
  39 import sun.java2d.loops.CompositeType;
  40 import sun.java2d.pipe.Region;
  41 import sun.util.logging.PlatformLogger;
  42 
  43 public class LWWindowPeer
  44     extends LWContainerPeer<Window, JComponent>
  45     implements WindowPeer, FramePeer, DialogPeer, FullScreenCapable
  46 {
  47     public static enum PeerType {
  48         SIMPLEWINDOW,
  49         FRAME,
  50         DIALOG,
  51         EMBEDDEDFRAME
  52     }
  53 
  54     private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.lwawt.focus.LWWindowPeer");
  55 
  56     private PlatformWindow platformWindow;
  57 
  58     // Window bounds reported by the native system (as opposed to
  59     // regular bounds inherited from LWComponentPeer which are
  60     // requested by user and may haven't been applied yet because


  93     // find the component under cursor
  94     private static volatile LWComponentPeer lastMouseEventPeer = null;
  95 
  96     // Peers where all dragged/released events should come to,
  97     // depending on what mouse button is being dragged according to Cocoa
  98     private static LWComponentPeer mouseDownTarget[] = new LWComponentPeer[3];
  99 
 100     // A bitmask that indicates what mouse buttons produce MOUSE_CLICKED events
 101     // on MOUSE_RELEASE. Click events are only generated if there were no drag
 102     // events between MOUSE_PRESSED and MOUSE_RELEASED for particular button
 103     private static int mouseClickButtons = 0;
 104 
 105     private volatile boolean isOpaque = true;
 106 
 107     private static final Font DEFAULT_FONT = new Font("Lucida Grande", Font.PLAIN, 13);
 108 
 109     private static LWWindowPeer grabbingWindow;
 110 
 111     private volatile boolean skipNextFocusChange;
 112 
 113     private static final Color nonOpaqueBackground = new Color(0, 0, 0, 0);
 114 
 115     /**
 116      * Current modal blocker or null.
 117      *
 118      * Synchronization: peerTreeLock.
 119      */
 120     private LWWindowPeer blocker;
 121 
 122     public LWWindowPeer(Window target, PlatformComponent platformComponent,
 123                         PlatformWindow platformWindow)
 124     {
 125         super(target, platformComponent);
 126         this.platformWindow = platformWindow;
 127 
 128         Window owner = target.getOwner();
 129         LWWindowPeer ownerPeer = (owner != null) ? (LWWindowPeer)owner.getPeer() : null;
 130         PlatformWindow ownerDelegate = (ownerPeer != null) ? ownerPeer.getPlatformWindow() : null;
 131 
 132         // The delegate.initialize() needs a non-null GC on X11.
 133         GraphicsConfiguration gc = getTarget().getGraphicsConfiguration();
 134         synchronized (getStateLock()) {


 155             // we should not call setForeground because it will call a repaint
 156             // which the peer may not be ready to do yet.
 157         }
 158 
 159         platformWindow.initialize(target, this, ownerDelegate);
 160     }
 161 
 162     @Override
 163     void initializeImpl() {
 164         super.initializeImpl();
 165         if (getTarget() instanceof Frame) {
 166             setTitle(((Frame) getTarget()).getTitle());
 167             setState(((Frame) getTarget()).getExtendedState());
 168         } else if (getTarget() instanceof Dialog) {
 169             setTitle(((Dialog) getTarget()).getTitle());
 170         }
 171 
 172         setAlwaysOnTop(getTarget().isAlwaysOnTop());
 173         updateMinimumSize();
 174 
 175         final Shape shape = getTarget().getShape();
 176         if (shape != null) {
 177             applyShape(Region.getInstance(shape, null));
 178         }
 179 
 180         final float opacity = getTarget().getOpacity();
 181         if (opacity < 1.0f) {
 182             setOpacity(opacity);
 183         }
 184 
 185         setOpaque(getTarget().isOpaque());
 186 
 187         updateInsets(platformWindow.getInsets());
 188         if (getSurfaceData() == null) {
 189             replaceSurfaceData(false);
 190         }
 191     }
 192 
 193     // Just a helper method
 194     public PlatformWindow getPlatformWindow() {
 195         return platformWindow;
 196     }
 197 
 198     @Override
 199     protected LWWindowPeer getWindowPeerOrSelf() {
 200         return this;
 201     }
 202 
 203     @Override
 204     protected void initializeContainerPeer() {
 205         // No-op as LWWindowPeer doesn't have any containerPeer
 206     }
 207 
 208     // ---- PEER METHODS ---- //
 209 


 285         if (bg == null) {
 286             bg = SystemColor.window;
 287         }
 288         if (f == null) {
 289             f = DEFAULT_FONT;
 290         }
 291         return platformWindow.transformGraphics(new SunGraphics2D(getSurfaceData(), fg, bg, f));
 292     }
 293 
 294     @Override
 295     public void createBuffers(int numBuffers, BufferCapabilities caps)
 296         throws AWTException
 297     {
 298         try {
 299             // Assume this method is never called with numBuffers <= 1, as 0 is
 300             // unsupported, and 1 corresponds to a SingleBufferStrategy which
 301             // doesn't depend on the peer. Screen is considered as a separate
 302             // "buffer", that's why numBuffers - 1
 303             assert numBuffers > 1;
 304 
 305             replaceSurfaceData(numBuffers - 1, caps, false);
 306         } catch (InvalidPipeException z) {
 307             throw new AWTException(z.toString());
 308         }
 309     }
 310 
 311     @Override
 312     public final Image getBackBuffer() {
 313         synchronized (getStateLock()) {
 314             return backBuffer;
 315         }
 316     }
 317 
 318     @Override
 319     public void flip(int x1, int y1, int x2, int y2,
 320                      BufferCapabilities.FlipContents flipAction)
 321     {
 322         platformWindow.flip(x1, y1, x2, y2, flipAction);
 323     }
 324 
 325     @Override


 425             d = new Dimension(MINIMUM_WIDTH, MINIMUM_HEIGHT);
 426         }
 427         platformWindow.setMinimumSize(d.width, d.height);
 428     }
 429 
 430     @Override
 431     public void updateIconImages() {
 432         getPlatformWindow().updateIconImages();
 433     }
 434 
 435     @Override
 436     public void setOpacity(float opacity) {
 437         getPlatformWindow().setOpacity(opacity);
 438         repaintPeer();
 439     }
 440 
 441     @Override
 442     public final void setOpaque(final boolean isOpaque) {
 443         if (this.isOpaque != isOpaque) {
 444             this.isOpaque = isOpaque;
 445             updateOpaque();


 446         }
 447     }
 448 
 449     public final boolean isOpaque() {
 450         return isOpaque;
 451     }
 452 
 453     private void updateOpaque() {
 454         getPlatformWindow().setOpaque(!isTranslucent());
 455         replaceSurfaceData(false);
 456         repaintPeer();
 457     }
 458 
 459     @Override
 460     public void updateWindow() {
 461     }
 462 
 463     public final boolean isTranslucent() {
 464         return !isOpaque() || isShaped();
 465     }
 466 
 467     @Override
 468     final void applyShapeImpl(final Region shape) {
 469         super.applyShapeImpl(shape);
 470         updateOpaque();
 471     }
 472 
 473     @Override
 474     public void repositionSecurityWarning() {
 475         throw new RuntimeException("not implemented");
 476     }
 477 
 478     // ---- FRAME PEER METHODS ---- //
 479 
 480     @Override // FramePeer and DialogPeer
 481     public void setTitle(String title) {
 482         platformWindow.setTitle(title == null ? "" : title);
 483     }
 484 
 485     @Override
 486     public void setMenuBar(MenuBar mb) {
 487          platformWindow.setMenuBar(mb);
 488     }
 489 
 490     @Override // FramePeer and DialogPeer


 556         }
 557     }
 558 
 559     public void notifyZoom(boolean isZoomed) {
 560         int newWindowState = isZoomed ? Frame.MAXIMIZED_BOTH : Frame.NORMAL;
 561         postWindowStateChangedEvent(newWindowState);
 562     }
 563 
 564     /**
 565      * Called by the delegate when any part of the window should be repainted.
 566      */
 567     public void notifyExpose(final int x, final int y, final int w, final int h) {
 568         // TODO: there's a serious problem with Swing here: it handles
 569         // the exposition internally, so SwingPaintEventDispatcher always
 570         // return null from createPaintEvent(). However, we flush the
 571         // back buffer here unconditionally, so some flickering may appear.
 572         // A possible solution is to split postPaintEvent() into two parts,
 573         // and override that part which is only called after if
 574         // createPaintEvent() returned non-null value and flush the buffer
 575         // from the overridden method
 576         //flushOnscreenGraphics();
 577         repaintPeer(new Rectangle(x, y, w, h));
 578     }
 579 
 580     /**
 581      * Called by the delegate when this window is moved/resized by user.
 582      * There's no notifyReshape() in LWComponentPeer as the only
 583      * components which could be resized by user are top-level windows.
 584      */
 585     public final void notifyReshape(int x, int y, int w, int h) {
 586         boolean moved = false;
 587         boolean resized = false;
 588         synchronized (getStateLock()) {
 589             moved = (x != sysX) || (y != sysY);
 590             resized = (w != sysW) || (h != sysH);
 591             sysX = x;
 592             sysY = y;
 593             sysW = w;
 594             sysH = h;
 595         }
 596 


 601         // First, update peer's bounds
 602         setBounds(x, y, w, h, SET_BOUNDS, false, false);
 603 
 604         // Second, update the graphics config and surface data
 605         checkIfOnNewScreen();
 606         if (resized) {
 607             replaceSurfaceData();
 608             flushOnscreenGraphics();
 609         }
 610 
 611         // Third, COMPONENT_MOVED/COMPONENT_RESIZED events
 612         if (moved) {
 613             handleMove(x, y, true);
 614         }
 615         if (resized) {
 616             handleResize(w, h,true);
 617         }
 618     }
 619 
 620     private void clearBackground(final int w, final int h) {
 621         final Graphics2D g = (Graphics2D) getOnscreenGraphics(getForeground(),
 622                                                               getBackground(),
 623                                                               getFont());
 624         if (g != null) {
 625             try {
 626                 if (isTranslucent()) {
 627                     g.setBackground(nonOpaqueBackground);
 628                     g.clearRect(0, 0, w, h);
 629                 }
 630                 SG2DConstraint((SunGraphics2D) g, getRegion());
 631                 g.setBackground(getBackground());
 632                 g.clearRect(0, 0, w, h);
 633             } finally {
 634                 g.dispose();
 635             }
 636         }
 637     }
 638 
 639     public void notifyUpdateCursor() {
 640         getLWToolkit().getCursorManager().updateCursorLater(this);
 641     }
 642 
 643     public void notifyActivation(boolean activation) {
 644         changeFocusedWindow(activation);
 645     }
 646 
 647     // MouseDown in non-client area
 648     public void notifyNCMouseDown() {
 649         // Ungrab except for a click on a Dialog with the grabbing owner
 650         if (grabbingWindow != null &&
 651             grabbingWindow != getOwnerFrameDialog(this))


 919         GraphicsDevice newGraphicsDevice = platformWindow.getGraphicsDevice();
 920         synchronized (getStateLock()) {
 921             if (graphicsDevice == newGraphicsDevice) {
 922                 return;
 923             }
 924             graphicsDevice = newGraphicsDevice;
 925         }
 926 
 927         // TODO: DisplayChangedListener stuff
 928         final GraphicsConfiguration newGC = newGraphicsDevice.getDefaultConfiguration();
 929 
 930         if (!setGraphicsConfig(newGC)) return;
 931 
 932         SunToolkit.executeOnEventHandlerThread(getTarget(), new Runnable() {
 933             public void run() {
 934                 AWTAccessor.getComponentAccessor().setGraphicsConfiguration(getTarget(), newGC);
 935             }
 936         });
 937     }
 938 





























 939     /*
 940      * May be called by delegate to provide SD to Java2D code.
 941      */
 942     public SurfaceData getSurfaceData() {
 943         synchronized (surfaceDataLock) {
 944             return surfaceData;
 945         }
 946     }
 947 
 948     private void replaceSurfaceData() {
 949         replaceSurfaceData(true);
 950     }
 951 
 952     private void replaceSurfaceData(boolean blit) {
 953         replaceSurfaceData(backBufferCount, backBufferCaps, blit);
 954     }
 955 
 956     private void replaceSurfaceData(int newBackBufferCount,
 957                                     BufferCapabilities newBackBufferCaps,
 958                                     boolean blit) {
 959         synchronized (surfaceDataLock) {
 960             final SurfaceData oldData = getSurfaceData();
 961             surfaceData = platformWindow.replaceSurfaceData();
 962             // TODO: volatile image
 963     //        VolatileImage oldBB = backBuffer;
 964             BufferedImage oldBB = backBuffer;
 965             backBufferCount = newBackBufferCount;
 966             backBufferCaps = newBackBufferCaps;
 967             final Rectangle size = getSize();
 968             if (getSurfaceData() != null && oldData != getSurfaceData()) {
 969                 clearBackground(size.width, size.height);
 970             }
 971 
 972             if (blit) {
 973                 blitSurfaceData(oldData, getSurfaceData());
 974             }
 975 
 976             if (oldData != null && oldData != getSurfaceData()) {
 977                 // TODO: drop oldData for D3D/WGL pipelines
 978                 // This can only happen when this peer is being created
 979                 oldData.flush();
 980             }
 981 
 982             // TODO: volatile image
 983             //backBuffer = (VolatileImage)delegate.createBackBuffer();
 984             if (oldBB != null) {
 985                 backBuffer = (BufferedImage) platformWindow.createBackBuffer();
 986                 if (backBuffer != null) {
 987                     Graphics2D g = (Graphics2D) backBuffer.getGraphics();
 988                     try {
 989                         Rectangle r = getBounds();
 990                         g.setBackground(nonOpaqueBackground);

 991                         g.clearRect(0, 0, r.width, r.height);
 992                         SG2DConstraint((SunGraphics2D) g, getRegion());
 993                         if (oldBB != null) {
 994                             // Draw the old back buffer to the new one
 995                             g.drawImage(oldBB, 0, 0, null);
 996                             oldBB.flush();
 997                         }
 998                     } finally {
 999                         g.dispose();
1000                     }
1001                 }
1002             }
1003         }
1004     }
1005 
1006     private void blitSurfaceData(final SurfaceData src, final SurfaceData dst) {
1007         //TODO blit. proof-of-concept
1008         if (src != dst && src != null && dst != null
1009             && !(dst instanceof NullSurfaceData)
1010             && !(src instanceof NullSurfaceData)
1011             && src.getSurfaceType().equals(dst.getSurfaceType())) {
1012             final Rectangle size = getSize();
1013             final Blit blit = Blit.locate(src.getSurfaceType(),
1014                                           CompositeType.Src,
1015                                           dst.getSurfaceType());
1016             if (blit != null) {
1017                 blit.Blit(src, dst, ((Graphics2D) getGraphics()).getComposite(),
1018                           getRegion(), 0, 0, 0, 0, size.width, size.height);
1019             }
1020         }