1 /*
   2  * Copyright (c) 2002, 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.awt.X11;
  27 
  28 import java.awt.*;
  29 import java.awt.event.*;
  30 import java.awt.peer.ComponentPeer;
  31 import java.awt.image.ColorModel;
  32 
  33 import java.lang.ref.WeakReference;
  34 
  35 import java.lang.reflect.Method;
  36 
  37 import sun.util.logging.PlatformLogger;
  38 
  39 import sun.awt.*;
  40 
  41 import sun.awt.image.PixelConverter;
  42 
  43 import sun.java2d.SunGraphics2D;
  44 import sun.java2d.SurfaceData;
  45 
  46 public class XWindow extends XBaseWindow implements X11ComponentPeer {
  47     private static PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XWindow");
  48     private static PlatformLogger insLog = PlatformLogger.getLogger("sun.awt.X11.insets.XWindow");
  49     private static PlatformLogger eventLog = PlatformLogger.getLogger("sun.awt.X11.event.XWindow");
  50     private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.awt.X11.focus.XWindow");
  51     private static PlatformLogger keyEventLog = PlatformLogger.getLogger("sun.awt.X11.kye.XWindow");
  52   /* If a motion comes in while a multi-click is pending,
  53    * allow a smudge factor so that moving the mouse by a small
  54    * amount does not wipe out the multi-click state variables.
  55    */
  56     private final static int AWT_MULTICLICK_SMUDGE = 4;
  57     // ButtonXXX events stuff
  58     static int rbutton = 0;
  59     static int lastX = 0, lastY = 0;
  60     static long lastTime = 0;
  61     static long lastButton = 0;
  62     static WeakReference lastWindowRef = null;
  63     static int clickCount = 0;
  64 
  65     // used to check if we need to re-create surfaceData.
  66     int oldWidth = -1;
  67     int oldHeight = -1;
  68 
  69     protected PropMwmHints mwm_hints;
  70     protected static XAtom wm_protocols;
  71     protected static XAtom wm_delete_window;
  72     protected static XAtom wm_take_focus;
  73 
  74     private boolean stateChanged; // Indicates whether the value on savedState is valid
  75     private int savedState; // Holds last known state of the top-level window
  76 
  77     XWindowAttributesData winAttr;
  78 
  79     protected X11GraphicsConfig graphicsConfig;
  80     protected AwtGraphicsConfigData graphicsConfigData;
  81 
  82     private boolean reparented;
  83 
  84     XWindow parent;
  85 
  86     Component target;
  87 
  88     private static int JAWT_LOCK_ERROR=0x00000001;
  89     private static int JAWT_LOCK_CLIP_CHANGED=0x00000002;
  90     private static int JAWT_LOCK_BOUNDS_CHANGED=0x00000004;
  91     private static int JAWT_LOCK_SURFACE_CHANGED=0x00000008;
  92     private int drawState = JAWT_LOCK_CLIP_CHANGED |
  93     JAWT_LOCK_BOUNDS_CHANGED |
  94     JAWT_LOCK_SURFACE_CHANGED;
  95 
  96     public static final String TARGET = "target",
  97         REPARENTED = "reparented"; // whether it is reparented by default
  98 
  99     SurfaceData surfaceData;
 100 
 101     XRepaintArea paintArea;
 102 
 103     // fallback default font object
 104     private static Font defaultFont;
 105 
 106     static synchronized Font getDefaultFont() {
 107         if (null == defaultFont) {
 108             defaultFont = new Font(Font.DIALOG, Font.PLAIN, 12);
 109         }
 110         return defaultFont;
 111     }
 112 
 113     /* A bitmask keeps the button's numbers as Button1Mask, Button2Mask, Button3Mask
 114      * which are allowed to
 115      * generate the CLICK event after the RELEASE has happened.
 116      * There are conditions that must be true for that sending CLICK event:
 117      * 1) button was initially PRESSED
 118      * 2) no movement or drag has happened until RELEASE
 119     */
 120     private int mouseButtonClickAllowed = 0;
 121 
 122     native int getNativeColor(Color clr, GraphicsConfiguration gc);
 123     native void getWMInsets(long window, long left, long top, long right, long bottom, long border);
 124     native long getTopWindow(long window, long rootWin);
 125     native void getWindowBounds(long window, long x, long y, long width, long height);
 126     private native static void initIDs();
 127 
 128     static {
 129         initIDs();
 130     }
 131 
 132     XWindow(XCreateWindowParams params) {
 133         super(params);
 134     }
 135 
 136     XWindow() {
 137     }
 138 
 139     XWindow(long parentWindow, Rectangle bounds) {
 140         super(new XCreateWindowParams(new Object[] {
 141             BOUNDS, bounds,
 142             PARENT_WINDOW, Long.valueOf(parentWindow)}));
 143     }
 144 
 145     XWindow(Component target, long parentWindow, Rectangle bounds) {
 146         super(new XCreateWindowParams(new Object[] {
 147             BOUNDS, bounds,
 148             PARENT_WINDOW, Long.valueOf(parentWindow),
 149             TARGET, target}));
 150     }
 151 
 152     XWindow(Component target, long parentWindow) {
 153         this(target, parentWindow, new Rectangle(target.getBounds()));
 154     }
 155 
 156     XWindow(Component target) {
 157         this(target, (target.getParent() == null) ? 0 : getParentWindowID(target), new Rectangle(target.getBounds()));
 158     }
 159 
 160     XWindow(Object target) {
 161         this(null, 0, null);
 162     }
 163 
 164     /* This create is used by the XEmbeddedFramePeer since it has to create the window
 165        as a child of the netscape window. This netscape window is passed in as wid */
 166     XWindow(long parentWindow) {
 167         super(new XCreateWindowParams(new Object[] {
 168             PARENT_WINDOW, Long.valueOf(parentWindow),
 169             REPARENTED, Boolean.TRUE,
 170             EMBEDDED, Boolean.TRUE}));
 171     }
 172 
 173     protected void initGraphicsConfiguration() {
 174         graphicsConfig = (X11GraphicsConfig) target.getGraphicsConfiguration();
 175         graphicsConfigData = new AwtGraphicsConfigData(graphicsConfig.getAData());
 176     }
 177 
 178     void preInit(XCreateWindowParams params) {
 179         super.preInit(params);
 180         reparented = Boolean.TRUE.equals(params.get(REPARENTED));
 181 
 182         target = (Component)params.get(TARGET);
 183 
 184         initGraphicsConfiguration();
 185 
 186         AwtGraphicsConfigData gData = getGraphicsConfigurationData();
 187         X11GraphicsConfig config = (X11GraphicsConfig) getGraphicsConfiguration();
 188         XVisualInfo visInfo = gData.get_awt_visInfo();
 189         params.putIfNull(EVENT_MASK, XConstants.KeyPressMask | XConstants.KeyReleaseMask
 190             | XConstants.FocusChangeMask | XConstants.ButtonPressMask | XConstants.ButtonReleaseMask
 191             | XConstants.EnterWindowMask | XConstants.LeaveWindowMask | XConstants.PointerMotionMask
 192             | XConstants.ButtonMotionMask | XConstants.ExposureMask | XConstants.StructureNotifyMask);
 193 
 194         if (target != null) {
 195             params.putIfNull(BOUNDS, new Rectangle(target.getBounds()));
 196         } else {
 197             params.putIfNull(BOUNDS, new Rectangle(0, 0, MIN_SIZE, MIN_SIZE));
 198         }
 199         params.putIfNull(BORDER_PIXEL, Long.valueOf(0));
 200         getColorModel(); // fix 4948833: this call forces the color map to be initialized
 201         params.putIfNull(COLORMAP, gData.get_awt_cmap());
 202         params.putIfNull(DEPTH, gData.get_awt_depth());
 203         params.putIfNull(VISUAL_CLASS, Integer.valueOf(XConstants.InputOutput));
 204         params.putIfNull(VISUAL, visInfo.get_visual());
 205         params.putIfNull(VALUE_MASK, XConstants.CWBorderPixel | XConstants.CWEventMask | XConstants.CWColormap);
 206         Long parentWindow = (Long)params.get(PARENT_WINDOW);
 207         if (parentWindow == null || parentWindow.longValue() == 0) {
 208             XToolkit.awtLock();
 209             try {
 210                 int screen = visInfo.get_screen();
 211                 if (screen != -1) {
 212                     params.add(PARENT_WINDOW, XlibWrapper.RootWindow(XToolkit.getDisplay(), screen));
 213                 } else {
 214                     params.add(PARENT_WINDOW, XToolkit.getDefaultRootWindow());
 215                 }
 216             } finally {
 217                 XToolkit.awtUnlock();
 218             }
 219         }
 220 
 221         paintArea = new XRepaintArea();
 222         if (target != null) {
 223             this.parent = getParentXWindowObject(target.getParent());
 224         }
 225 
 226         params.putIfNull(BACKING_STORE, XToolkit.getBackingStoreType());
 227 
 228         XToolkit.awtLock();
 229         try {
 230             if (wm_protocols == null) {
 231                 wm_protocols = XAtom.get("WM_PROTOCOLS");
 232                 wm_delete_window = XAtom.get("WM_DELETE_WINDOW");
 233                 wm_take_focus = XAtom.get("WM_TAKE_FOCUS");
 234             }
 235         }
 236         finally {
 237             XToolkit.awtUnlock();
 238         }
 239         winAttr = new XWindowAttributesData();
 240         savedState = XUtilConstants.WithdrawnState;
 241     }
 242 
 243     void postInit(XCreateWindowParams params) {
 244         super.postInit(params);
 245 
 246         setWMClass(getWMClass());
 247 
 248         surfaceData = graphicsConfig.createSurfaceData(this);
 249         Color c;
 250         if (target != null && (c = target.getBackground()) != null) {
 251             // We need a version of setBackground that does not call repaint !!
 252             // and one that does not get overridden. The problem is that in postInit
 253             // we call setBackground and we don't have all the stuff initialized to
 254             // do a full paint for most peers. So we cannot call setBackground in postInit.
 255             // instead we need to call xSetBackground.
 256             xSetBackground(c);
 257         }
 258     }
 259 
 260     public GraphicsConfiguration getGraphicsConfiguration() {
 261         if (graphicsConfig == null) {
 262             initGraphicsConfiguration();
 263         }
 264         return graphicsConfig;
 265     }
 266 
 267     public AwtGraphicsConfigData getGraphicsConfigurationData() {
 268         if (graphicsConfigData == null) {
 269             initGraphicsConfiguration();
 270         }
 271         return graphicsConfigData;
 272     }
 273 
 274     protected String[] getWMClass() {
 275         return new String[] {XToolkit.getCorrectXIDString(getClass().getName()), XToolkit.getAWTAppClassName()};
 276     }
 277 
 278     void setReparented(boolean newValue) {
 279         reparented = newValue;
 280     }
 281 
 282     boolean isReparented() {
 283         return reparented;
 284     }
 285 
 286     static long getParentWindowID(Component target) {
 287 
 288         ComponentPeer peer = target.getParent().getPeer();
 289         Component temp = target.getParent();
 290         while (!(peer instanceof XWindow))
 291         {
 292             temp = temp.getParent();
 293             peer = temp.getPeer();
 294         }
 295 
 296         if (peer != null && peer instanceof XWindow)
 297             return ((XWindow)peer).getContentWindow();
 298         else return 0;
 299     }
 300 
 301 
 302     static XWindow getParentXWindowObject(Component target) {
 303         if (target == null) return null;
 304         Component temp = target.getParent();
 305         if (temp == null) return null;
 306         ComponentPeer peer = temp.getPeer();
 307         if (peer == null) return null;
 308         while ((peer != null) && !(peer instanceof XWindow))
 309         {
 310             temp = temp.getParent();
 311             peer = temp.getPeer();
 312         }
 313         if (peer != null && peer instanceof XWindow)
 314             return (XWindow) peer;
 315         else return null;
 316     }
 317 
 318 
 319     boolean isParentOf(XWindow win) {
 320         if (!(target instanceof Container) || win == null || win.getTarget() == null) {
 321             return false;
 322         }
 323         Container parent = AWTAccessor.getComponentAccessor().getParent(win.target);
 324         while (parent != null && parent != target) {
 325             parent = AWTAccessor.getComponentAccessor().getParent(parent);
 326         }
 327         return (parent == target);
 328     }
 329 
 330     public Object getTarget() {
 331         return target;
 332     }
 333     public Component getEventSource() {
 334         return target;
 335     }
 336 
 337     public ColorModel getColorModel(int transparency) {
 338         return graphicsConfig.getColorModel (transparency);
 339     }
 340 
 341     public ColorModel getColorModel() {
 342         if (graphicsConfig != null) {
 343             return graphicsConfig.getColorModel ();
 344         }
 345         else {
 346             return XToolkit.getStaticColorModel();
 347         }
 348     }
 349 
 350     Graphics getGraphics(SurfaceData surfData, Color afore, Color aback, Font afont) {
 351         if (surfData == null) return null;
 352 
 353         Component target = this.target;
 354 
 355         /* Fix for bug 4746122. Color and Font shouldn't be null */
 356         Color bgColor = aback;
 357         if (bgColor == null) {
 358             bgColor = SystemColor.window;
 359         }
 360         Color fgColor = afore;
 361         if (fgColor == null) {
 362             fgColor = SystemColor.windowText;
 363         }
 364         Font font = afont;
 365         if (font == null) {
 366             font = XWindow.getDefaultFont();
 367         }
 368         return new SunGraphics2D(surfData, fgColor, bgColor, font);
 369     }
 370 
 371     public Graphics getGraphics() {
 372         return getGraphics(surfaceData,
 373                            target.getForeground(),
 374                            target.getBackground(),
 375                            target.getFont());
 376     }
 377 
 378     public FontMetrics getFontMetrics(Font font) {
 379         return Toolkit.getDefaultToolkit().getFontMetrics(font);
 380     }
 381 
 382     public Rectangle getTargetBounds() {
 383         return target.getBounds();
 384     }
 385 
 386     /**
 387      * Returns true if the event has been handled and should not be
 388      * posted to Java.
 389      */
 390     boolean prePostEvent(AWTEvent e) {
 391         return false;
 392     }
 393 
 394     static Method m_sendMessage;
 395     static void sendEvent(final AWTEvent e) {
 396         // The uses of this method imply that the incoming event is system-generated
 397         SunToolkit.setSystemGenerated(e);
 398         PeerEvent pe = new PeerEvent(Toolkit.getDefaultToolkit(), new Runnable() {
 399                 public void run() {
 400                     AWTAccessor.getAWTEventAccessor().setPosted(e);
 401                     ((Component)e.getSource()).dispatchEvent(e);
 402                 }
 403             }, PeerEvent.ULTIMATE_PRIORITY_EVENT);
 404         if (focusLog.isLoggable(PlatformLogger.Level.FINER) && (e instanceof FocusEvent)) {
 405             focusLog.finer("Sending " + e);
 406         }
 407         XToolkit.postEvent(XToolkit.targetToAppContext(e.getSource()), pe);
 408     }
 409 
 410 
 411 /*
 412  * Post an event to the event queue.
 413  */
 414 // NOTE: This method may be called by privileged threads.
 415 //       DO NOT INVOKE CLIENT CODE ON THIS THREAD!
 416     void postEvent(AWTEvent event) {
 417         XToolkit.postEvent(XToolkit.targetToAppContext(event.getSource()), event);
 418     }
 419 
 420     static void postEventStatic(AWTEvent event) {
 421         XToolkit.postEvent(XToolkit.targetToAppContext(event.getSource()), event);
 422     }
 423 
 424     public void postEventToEventQueue(final AWTEvent event) {
 425         //fix for 6239938 : Choice drop-down does not disappear when it loses focus, on XToolkit
 426         if (!prePostEvent(event)) {
 427             //event hasn't been handled and must be posted to EventQueue
 428             postEvent(event);
 429         }
 430     }
 431 
 432     // overriden in XCanvasPeer
 433     protected boolean doEraseBackground() {
 434         return true;
 435     }
 436 
 437     // We need a version of setBackground that does not call repaint !!
 438     // and one that does not get overridden. The problem is that in postInit
 439     // we call setBackground and we don't have all the stuff initialized to
 440     // do a full paint for most peers. So we cannot call setBackground in postInit.
 441     final public void xSetBackground(Color c) {
 442         XToolkit.awtLock();
 443         try {
 444             winBackground(c);
 445             // fix for 6558510: handle sun.awt.noerasebackground flag,
 446             // see doEraseBackground() and preInit() methods in XCanvasPeer
 447             if (!doEraseBackground()) {
 448                 return;
 449             }
 450             // 6304250: XAWT: Items in choice show a blue border on OpenGL + Solaris10 when background color is set
 451             // Note: When OGL is enabled, surfaceData.pixelFor() will not
 452             // return a pixel value appropriate for passing to
 453             // XSetWindowBackground().  Therefore, we will use the ColorModel
 454             // for this component in order to calculate a pixel value from
 455             // the given RGB value.
 456             ColorModel cm = getColorModel();
 457             int pixel = PixelConverter.instance.rgbToPixel(c.getRGB(), cm);
 458             XlibWrapper.XSetWindowBackground(XToolkit.getDisplay(), getContentWindow(), pixel);
 459         }
 460         finally {
 461             XToolkit.awtUnlock();
 462         }
 463     }
 464 
 465     public void setBackground(Color c) {
 466         xSetBackground(c);
 467     }
 468 
 469     Color backgroundColor;
 470     void winBackground(Color c) {
 471         backgroundColor = c;
 472     }
 473 
 474     public Color getWinBackground() {
 475         Color c = null;
 476 
 477         if (backgroundColor != null) {
 478             c = backgroundColor;
 479         } else if (parent != null) {
 480             c = parent.getWinBackground();
 481         }
 482 
 483         if (c instanceof SystemColor) {
 484             c = new Color(c.getRGB());
 485         }
 486 
 487         return c;
 488     }
 489 
 490     public boolean isEmbedded() {
 491         return embedded;
 492     }
 493 
 494     public final void repaint(int x, int y, int width, int height) {
 495         if (!isVisible() || getWidth() == 0 || getHeight() == 0) {
 496             return;
 497         }
 498         Graphics g = getGraphics();
 499         if (g != null) {
 500             try {
 501                 g.setClip(x, y, width, height);
 502                 if (SunToolkit.isDispatchThreadForAppContext(getTarget())) {
 503                     paint(g); // The native and target will be painted in place.
 504                 } else {
 505                     paintPeer(g);
 506                     postPaintEvent(target, x, y, width, height);
 507                 }
 508             } finally {
 509                 g.dispose();
 510             }
 511         }
 512     }
 513 
 514     void repaint() {
 515         repaint(0, 0, getWidth(), getHeight());
 516     }
 517 
 518     public void paint(final Graphics g) {
 519         // paint peer
 520         paintPeer(g);
 521     }
 522 
 523     void paintPeer(final Graphics g) {
 524     }
 525     //used by Peers to avoid flickering withing paint()
 526     protected void flush(){
 527         XToolkit.awtLock();
 528         try {
 529             XlibWrapper.XFlush(XToolkit.getDisplay());
 530         } finally {
 531             XToolkit.awtUnlock();
 532         }
 533     }
 534 
 535     public void popup(int x, int y, int width, int height) {
 536         // TBD: grab the pointer
 537         xSetBounds(x, y, width, height);
 538     }
 539 
 540     public void handleExposeEvent(XEvent xev) {
 541         super.handleExposeEvent(xev);
 542         XExposeEvent xe = xev.get_xexpose();
 543         if (isEventDisabled(xev)) {
 544             return;
 545         }
 546         int x = xe.get_x();
 547         int y = xe.get_y();
 548         int w = xe.get_width();
 549         int h = xe.get_height();
 550 
 551         Component target = getEventSource();
 552         AWTAccessor.ComponentAccessor compAccessor = AWTAccessor.getComponentAccessor();
 553 
 554         if (!compAccessor.getIgnoreRepaint(target)
 555             && compAccessor.getWidth(target) != 0
 556             && compAccessor.getHeight(target) != 0)
 557         {
 558             postPaintEvent(target, x, y, w, h);
 559         }
 560     }
 561 
 562     public void postPaintEvent(Component target, int x, int y, int w, int h) {
 563         PaintEvent event = PaintEventDispatcher.getPaintEventDispatcher().
 564             createPaintEvent(target, x, y, w, h);
 565         if (event != null) {
 566             postEventToEventQueue(event);
 567         }
 568     }
 569 
 570     static int getModifiers(int state, int button, int keyCode) {
 571         return getModifiers(state, button, keyCode, 0,  false);
 572     }
 573 
 574     static int getModifiers(int state, int button, int keyCode, int type, boolean wheel_mouse) {
 575         int modifiers = 0;
 576 
 577         if (((state & XConstants.ShiftMask) != 0) ^ (keyCode == KeyEvent.VK_SHIFT)) {
 578             modifiers |= InputEvent.SHIFT_DOWN_MASK;
 579         }
 580         if (((state & XConstants.ControlMask) != 0) ^ (keyCode == KeyEvent.VK_CONTROL)) {
 581             modifiers |= InputEvent.CTRL_DOWN_MASK;
 582         }
 583         if (((state & XToolkit.metaMask) != 0) ^ (keyCode == KeyEvent.VK_META)) {
 584             modifiers |= InputEvent.META_DOWN_MASK;
 585         }
 586         if (((state & XToolkit.altMask) != 0) ^ (keyCode == KeyEvent.VK_ALT)) {
 587             modifiers |= InputEvent.ALT_DOWN_MASK;
 588         }
 589         if (((state & XToolkit.modeSwitchMask) != 0) ^ (keyCode == KeyEvent.VK_ALT_GRAPH)) {
 590             modifiers |= InputEvent.ALT_GRAPH_DOWN_MASK;
 591         }
 592         //InputEvent.BUTTON_DOWN_MASK array is starting from BUTTON1_DOWN_MASK on index == 0.
 593         // button currently reflects a real button number and starts from 1. (except NOBUTTON which is zero )
 594 
 595         /* this is an attempt to refactor button IDs in : MouseEvent, InputEvent, XlibWrapper and XWindow.*/
 596 
 597         //reflects a button number similar to MouseEvent.BUTTON1, 2, 3 etc.
 598         for (int i = 0; i < XConstants.buttons.length; i ++){
 599             //modifier should be added if :
 600             // 1) current button is now still in PRESSED state (means that user just pressed mouse but not released yet) or
 601             // 2) if Xsystem reports that "state" represents that button was just released. This only happens on RELEASE with 1,2,3 buttons.
 602             // ONLY one of these conditions should be TRUE to add that modifier.
 603             if (((state & XlibUtil.getButtonMask(i + 1)) != 0) != (button == XConstants.buttons[i])){
 604                 //exclude wheel buttons from adding their numbers as modifiers
 605                 if (!wheel_mouse) {
 606                     modifiers |= InputEvent.getMaskForButton(i+1);
 607                 }
 608             }
 609         }
 610         return modifiers;
 611     }
 612 
 613     static int getXModifiers(AWTKeyStroke stroke) {
 614         int mods = stroke.getModifiers();
 615         int res = 0;
 616         if ((mods & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
 617             res |= XConstants.ShiftMask;
 618         }
 619         if ((mods & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
 620             res |= XConstants.ControlMask;
 621         }
 622         if ((mods & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
 623             res |= XToolkit.altMask;
 624         }
 625         if ((mods & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
 626             res |= XToolkit.metaMask;
 627         }
 628         if ((mods & (InputEvent.ALT_GRAPH_DOWN_MASK | InputEvent.ALT_GRAPH_MASK)) != 0) {
 629             res |= XToolkit.modeSwitchMask;
 630         }
 631         return res;
 632     }
 633 
 634     /**
 635      * Returns true if this event is disabled and shouldn't be passed to Java.
 636      * Default implementation returns false for all events.
 637      */
 638     static int getRightButtonNumber() {
 639         if (rbutton == 0) { // not initialized yet
 640             XToolkit.awtLock();
 641             try {
 642                 rbutton = XlibWrapper.XGetPointerMapping(XToolkit.getDisplay(), XlibWrapper.ibuffer, 3);
 643             }
 644             finally {
 645                 XToolkit.awtUnlock();
 646             }
 647         }
 648         return rbutton;
 649     }
 650 
 651     static int getMouseMovementSmudge() {
 652         //TODO: It's possible to read corresponding settings
 653         return AWT_MULTICLICK_SMUDGE;
 654     }
 655 
 656     public void handleButtonPressRelease(XEvent xev) {
 657         super.handleButtonPressRelease(xev);
 658         XButtonEvent xbe = xev.get_xbutton();
 659         if (isEventDisabled(xev)) {
 660             return;
 661         }
 662         if (eventLog.isLoggable(PlatformLogger.Level.FINE)) {
 663             eventLog.fine(xbe.toString());
 664         }
 665         long when;
 666         int modifiers;
 667         boolean popupTrigger = false;
 668         int button=0;
 669         boolean wheel_mouse = false;
 670         int lbutton = xbe.get_button();
 671         /*
 672          * Ignore the buttons above 20 due to the bit limit for
 673          * InputEvent.BUTTON_DOWN_MASK.
 674          * One more bit is reserved for FIRST_HIGH_BIT.
 675          */
 676         if (lbutton > SunToolkit.MAX_BUTTONS_SUPPORTED) {
 677             return;
 678         }
 679         int type = xev.get_type();
 680         when = xbe.get_time();
 681         long jWhen = XToolkit.nowMillisUTC_offset(when);
 682 
 683         int x = xbe.get_x();
 684         int y = xbe.get_y();
 685         if (xev.get_xany().get_window() != window) {
 686             Point localXY = toLocal(xbe.get_x_root(), xbe.get_y_root());
 687             x = localXY.x;
 688             y = localXY.y;
 689         }
 690 
 691         if (type == XConstants.ButtonPress) {
 692             //Allow this mouse button to generate CLICK event on next ButtonRelease
 693             mouseButtonClickAllowed |= XlibUtil.getButtonMask(lbutton);
 694             XWindow lastWindow = (lastWindowRef != null) ? ((XWindow)lastWindowRef.get()):(null);
 695             /*
 696                multiclick checking
 697             */
 698             if (eventLog.isLoggable(PlatformLogger.Level.FINEST)) {
 699                 eventLog.finest("lastWindow = " + lastWindow + ", lastButton "
 700                 + lastButton + ", lastTime " + lastTime + ", multiClickTime "
 701                 + XToolkit.getMultiClickTime());
 702             }
 703             if (lastWindow == this && lastButton == lbutton && (when - lastTime) < XToolkit.getMultiClickTime()) {
 704                 clickCount++;
 705             } else {
 706                 clickCount = 1;
 707                 lastWindowRef = new WeakReference(this);
 708                 lastButton = lbutton;
 709                 lastX = x;
 710                 lastY = y;
 711             }
 712             lastTime = when;
 713 
 714 
 715             /*
 716                Check for popup trigger !!
 717             */
 718             if (lbutton == getRightButtonNumber() || lbutton > 2) {
 719                 popupTrigger = true;
 720             } else {
 721                 popupTrigger = false;
 722             }
 723         }
 724 
 725         button = XConstants.buttons[lbutton - 1];
 726         // 4 and 5 buttons are usually considered assigned to a first wheel
 727         if (lbutton == XConstants.buttons[3] ||
 728             lbutton == XConstants.buttons[4]) {
 729             wheel_mouse = true;
 730         }
 731 
 732         // mapping extra buttons to numbers starting from 4.
 733         if ((button > XConstants.buttons[4]) && (!Toolkit.getDefaultToolkit().areExtraMouseButtonsEnabled())){
 734             return;
 735         }
 736 
 737         if (button > XConstants.buttons[4]){
 738             button -= 2;
 739         }
 740         modifiers = getModifiers(xbe.get_state(),button,0, type, wheel_mouse);
 741 
 742         if (!wheel_mouse) {
 743             MouseEvent me = new MouseEvent(getEventSource(),
 744                                            type == XConstants.ButtonPress ? MouseEvent.MOUSE_PRESSED : MouseEvent.MOUSE_RELEASED,
 745                                            jWhen,modifiers, x, y,
 746                                            xbe.get_x_root(),
 747                                            xbe.get_y_root(),
 748                                            clickCount,popupTrigger,button);
 749 
 750             postEventToEventQueue(me);
 751 
 752             if ((type == XConstants.ButtonRelease) &&
 753                 ((mouseButtonClickAllowed & XlibUtil.getButtonMask(lbutton)) != 0) ) // No up-button in the drag-state
 754             {
 755                 postEventToEventQueue(me = new MouseEvent(getEventSource(),
 756                                                      MouseEvent.MOUSE_CLICKED,
 757                                                      jWhen,
 758                                                      modifiers,
 759                                                      x, y,
 760                                                      xbe.get_x_root(),
 761                                                      xbe.get_y_root(),
 762                                                      clickCount,
 763                                                      false, button));
 764             }
 765 
 766         }
 767         else {
 768             if (xev.get_type() == XConstants.ButtonPress) {
 769                 MouseWheelEvent mwe = new MouseWheelEvent(getEventSource(),MouseEvent.MOUSE_WHEEL, jWhen,
 770                                                           modifiers,
 771                                                           x, y,
 772                                                           xbe.get_x_root(),
 773                                                           xbe.get_y_root(),
 774                                                           1,false,MouseWheelEvent.WHEEL_UNIT_SCROLL,
 775                                                           3,button==4 ?  -1 : 1);
 776                 postEventToEventQueue(mwe);
 777             }
 778         }
 779 
 780         /* Update the state variable AFTER the CLICKED event post. */
 781         if (type == XConstants.ButtonRelease) {
 782             /* Exclude this mouse button from allowed list.*/
 783             mouseButtonClickAllowed &= ~ XlibUtil.getButtonMask(lbutton);
 784         }
 785     }
 786 
 787     public void handleMotionNotify(XEvent xev) {
 788         super.handleMotionNotify(xev);
 789         XMotionEvent xme = xev.get_xmotion();
 790         if (isEventDisabled(xev)) {
 791             return;
 792         }
 793 
 794         int mouseKeyState = 0; //(xme.get_state() & (XConstants.buttonsMask[0] | XConstants.buttonsMask[1] | XConstants.buttonsMask[2]));
 795 
 796         //this doesn't work for extra buttons because Xsystem is sending state==0 for every extra button event.
 797         // we can't correct it in MouseEvent class as we done it with modifiers, because exact type (DRAG|MOVE)
 798         // should be passed from XWindow.
 799         final int buttonsNumber = XToolkit.getNumberOfButtonsForMask();
 800 
 801         for (int i = 0; i < buttonsNumber; i++){
 802             // TODO : here is the bug in WM: extra buttons doesn't have state!=0 as they should.
 803             if ((i != 4) && (i != 5)) {
 804                 mouseKeyState = mouseKeyState | (xme.get_state() & XlibUtil.getButtonMask(i + 1));
 805             }
 806         }
 807 
 808         boolean isDragging = (mouseKeyState != 0);
 809         int mouseEventType = 0;
 810 
 811         if (isDragging) {
 812             mouseEventType = MouseEvent.MOUSE_DRAGGED;
 813         } else {
 814             mouseEventType = MouseEvent.MOUSE_MOVED;
 815         }
 816 
 817         /*
 818            Fix for 6176814 .  Add multiclick checking.
 819         */
 820         int x = xme.get_x();
 821         int y = xme.get_y();
 822         XWindow lastWindow = (lastWindowRef != null) ? ((XWindow)lastWindowRef.get()):(null);
 823 
 824         if (!(lastWindow == this &&
 825               (xme.get_time() - lastTime) < XToolkit.getMultiClickTime()  &&
 826               (Math.abs(lastX - x) < AWT_MULTICLICK_SMUDGE &&
 827                Math.abs(lastY - y) < AWT_MULTICLICK_SMUDGE))) {
 828           clickCount = 0;
 829           lastWindowRef = null;
 830           mouseButtonClickAllowed = 0;
 831           lastTime = 0;
 832           lastX = 0;
 833           lastY = 0;
 834         }
 835 
 836         long jWhen = XToolkit.nowMillisUTC_offset(xme.get_time());
 837         int modifiers = getModifiers(xme.get_state(), 0, 0);
 838         boolean popupTrigger = false;
 839 
 840         Component source = getEventSource();
 841 
 842         if (xme.get_window() != window) {
 843             Point localXY = toLocal(xme.get_x_root(), xme.get_y_root());
 844             x = localXY.x;
 845             y = localXY.y;
 846         }
 847         /* Fix for 5039416.
 848          * According to canvas.c we shouldn't post any MouseEvent if mouse is dragging and clickCount!=0.
 849          */
 850         if ((isDragging && clickCount == 0) || !isDragging) {
 851             MouseEvent mme = new MouseEvent(source, mouseEventType, jWhen,
 852                                             modifiers, x, y, xme.get_x_root(), xme.get_y_root(),
 853                                             clickCount, popupTrigger, MouseEvent.NOBUTTON);
 854             postEventToEventQueue(mme);
 855         }
 856     }
 857 
 858 
 859     // REMIND: need to implement looking for disabled events
 860     public native boolean x11inputMethodLookupString(long event, long [] keysymArray);
 861     native boolean haveCurrentX11InputMethodInstance();
 862 
 863     private boolean mouseAboveMe;
 864 
 865     public boolean isMouseAbove() {
 866         synchronized (getStateLock()) {
 867             return mouseAboveMe;
 868         }
 869     }
 870     protected void setMouseAbove(boolean above) {
 871         synchronized (getStateLock()) {
 872             mouseAboveMe = above;
 873         }
 874     }
 875 
 876     protected void enterNotify(long window) {
 877         if (window == getWindow()) {
 878             setMouseAbove(true);
 879         }
 880     }
 881     protected void leaveNotify(long window) {
 882         if (window == getWindow()) {
 883             setMouseAbove(false);
 884         }
 885     }
 886 
 887     public void handleXCrossingEvent(XEvent xev) {
 888         super.handleXCrossingEvent(xev);
 889         XCrossingEvent xce = xev.get_xcrossing();
 890 
 891         if (eventLog.isLoggable(PlatformLogger.Level.FINEST)) {
 892             eventLog.finest(xce.toString());
 893         }
 894 
 895         if (xce.get_type() == XConstants.EnterNotify) {
 896             enterNotify(xce.get_window());
 897         } else { // LeaveNotify:
 898             leaveNotify(xce.get_window());
 899         }
 900 
 901         // Skip event If it was caused by a grab
 902         // This is needed because on displays with focus-follows-mouse on MousePress X system generates
 903         // two XCrossing events with mode != NormalNotify. First of them notifies that the mouse has left
 904         // current component. Second one notifies that it has entered into the same component.
 905         // This looks like the window under the mouse has actually changed and Java handle these  events
 906         // accordingly. This leads to impossibility to make a double click on Component (6404708)
 907         XWindowPeer toplevel = getToplevelXWindow();
 908         if (toplevel != null && !toplevel.isModalBlocked()){
 909             if (xce.get_mode() != XConstants.NotifyNormal) {
 910                 // 6404708 : need update cursor in accordance with skipping Leave/EnterNotify event
 911                 // whereas it doesn't need to handled further.
 912                 if (xce.get_type() == XConstants.EnterNotify) {
 913                     XAwtState.setComponentMouseEntered(getEventSource());
 914                     XGlobalCursorManager.nativeUpdateCursor(getEventSource());
 915                 } else { // LeaveNotify:
 916                     XAwtState.setComponentMouseEntered(null);
 917                 }
 918                 return;
 919             }
 920         }
 921         // X sends XCrossing to all hierarchy so if the edge of child equals to
 922         // ancestor and mouse enters child, the ancestor will get an event too.
 923         // From java point the event is bogus as ancestor is obscured, so if
 924         // the child can get java event itself, we skip it on ancestor.
 925         long childWnd = xce.get_subwindow();
 926         if (childWnd != XConstants.None) {
 927             XBaseWindow child = XToolkit.windowToXWindow(childWnd);
 928             if (child != null && child instanceof XWindow &&
 929                 !child.isEventDisabled(xev))
 930             {
 931                 return;
 932             }
 933         }
 934 
 935         // Remember old component with mouse to have the opportunity to send it MOUSE_EXITED.
 936         final Component compWithMouse = XAwtState.getComponentMouseEntered();
 937         if (toplevel != null) {
 938             if(!toplevel.isModalBlocked()){
 939                 if (xce.get_type() == XConstants.EnterNotify) {
 940                     // Change XAwtState's component mouse entered to the up-to-date one before requesting
 941                     // to update the cursor since XAwtState.getComponentMouseEntered() is used when the
 942                     // cursor is updated (in XGlobalCursorManager.findHeavyweightUnderCursor()).
 943                     XAwtState.setComponentMouseEntered(getEventSource());
 944                     XGlobalCursorManager.nativeUpdateCursor(getEventSource());
 945                 } else { // LeaveNotify:
 946                     XAwtState.setComponentMouseEntered(null);
 947                 }
 948             } else {
 949                 ((XComponentPeer) AWTAccessor.getComponentAccessor().getPeer(target))
 950                     .pSetCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
 951             }
 952         }
 953 
 954         if (isEventDisabled(xev)) {
 955             return;
 956         }
 957 
 958         long jWhen = XToolkit.nowMillisUTC_offset(xce.get_time());
 959         int modifiers = getModifiers(xce.get_state(),0,0);
 960         int clickCount = 0;
 961         boolean popupTrigger = false;
 962         int x = xce.get_x();
 963         int y = xce.get_y();
 964         if (xce.get_window() != window) {
 965             Point localXY = toLocal(xce.get_x_root(), xce.get_y_root());
 966             x = localXY.x;
 967             y = localXY.y;
 968         }
 969 
 970         // This code tracks boundary crossing and ensures MOUSE_ENTER/EXIT
 971         // are posted in alternate pairs
 972         if (compWithMouse != null) {
 973             MouseEvent me = new MouseEvent(compWithMouse,
 974                 MouseEvent.MOUSE_EXITED, jWhen, modifiers, xce.get_x(),
 975                 xce.get_y(), xce.get_x_root(), xce.get_y_root(), clickCount, popupTrigger,
 976                 MouseEvent.NOBUTTON);
 977             postEventToEventQueue(me);
 978             eventLog.finest("Clearing last window ref");
 979             lastWindowRef = null;
 980         }
 981         if (xce.get_type() == XConstants.EnterNotify) {
 982             MouseEvent me = new MouseEvent(getEventSource(), MouseEvent.MOUSE_ENTERED,
 983                 jWhen, modifiers, xce.get_x(), xce.get_y(), xce.get_x_root(), xce.get_y_root(), clickCount,
 984                 popupTrigger, MouseEvent.NOBUTTON);
 985             postEventToEventQueue(me);
 986         }
 987     }
 988 
 989     public void doLayout(int x, int y, int width, int height) {}
 990 
 991     public void handleConfigureNotifyEvent(XEvent xev) {
 992         Rectangle oldBounds = getBounds();
 993 
 994         super.handleConfigureNotifyEvent(xev);
 995         if (insLog.isLoggable(PlatformLogger.Level.FINER)) {
 996             insLog.finer("Configure, {0}, event disabled: {1}",
 997                      xev.get_xconfigure(), isEventDisabled(xev));
 998         }
 999         if (isEventDisabled(xev)) {
1000             return;
1001         }
1002 
1003 //  if ( Check if it's a resize, a move, or a stacking order change )
1004 //  {
1005         Rectangle bounds = getBounds();
1006         if (!bounds.getSize().equals(oldBounds.getSize())) {
1007             postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_RESIZED));
1008         }
1009         if (!bounds.getLocation().equals(oldBounds.getLocation())) {
1010             postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_MOVED));
1011         }
1012 //  }
1013     }
1014 
1015     public void handleMapNotifyEvent(XEvent xev) {
1016         super.handleMapNotifyEvent(xev);
1017         if (log.isLoggable(PlatformLogger.Level.FINE)) {
1018             log.fine("Mapped {0}", this);
1019         }
1020         if (isEventDisabled(xev)) {
1021             return;
1022         }
1023         ComponentEvent ce;
1024 
1025         ce = new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_SHOWN);
1026         postEventToEventQueue(ce);
1027     }
1028 
1029     public void handleUnmapNotifyEvent(XEvent xev) {
1030         super.handleUnmapNotifyEvent(xev);
1031         if (isEventDisabled(xev)) {
1032             return;
1033         }
1034         ComponentEvent ce;
1035 
1036         ce = new ComponentEvent(target, ComponentEvent.COMPONENT_HIDDEN);
1037         postEventToEventQueue(ce);
1038     }
1039 
1040     private void dumpKeysymArray(XKeyEvent ev) {
1041         if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1042             keyEventLog.fine("  "+Long.toHexString(XlibWrapper.XKeycodeToKeysym(XToolkit.getDisplay(), ev.get_keycode(), 0))+
1043                              "\n        "+Long.toHexString(XlibWrapper.XKeycodeToKeysym(XToolkit.getDisplay(), ev.get_keycode(), 1))+
1044                              "\n        "+Long.toHexString(XlibWrapper.XKeycodeToKeysym(XToolkit.getDisplay(), ev.get_keycode(), 2))+
1045                              "\n        "+Long.toHexString(XlibWrapper.XKeycodeToKeysym(XToolkit.getDisplay(), ev.get_keycode(), 3)));
1046         }
1047     }
1048     /**
1049        Return unicode character or 0 if no correspondent character found.
1050        Parameter is a keysym basically from keysymdef.h
1051        XXX: how about vendor keys? Is there some with Unicode value and not in the list?
1052     */
1053     int keysymToUnicode( long keysym, int state ) {
1054         return XKeysym.convertKeysym( keysym, state );
1055     }
1056     int keyEventType2Id( int xEventType ) {
1057         return xEventType == XConstants.KeyPress ? java.awt.event.KeyEvent.KEY_PRESSED :
1058                xEventType == XConstants.KeyRelease ? java.awt.event.KeyEvent.KEY_RELEASED : 0;
1059     }
1060     static private long xkeycodeToKeysym(XKeyEvent ev) {
1061         return XKeysym.getKeysym( ev );
1062     }
1063     private long xkeycodeToPrimaryKeysym(XKeyEvent ev) {
1064         return XKeysym.xkeycode2primary_keysym( ev );
1065     }
1066     static private int primaryUnicode2JavaKeycode(int uni) {
1067         return (uni > 0? sun.awt.ExtendedKeyCodes.getExtendedKeyCodeForChar(uni) : 0);
1068         //return (uni > 0? uni + 0x01000000 : 0);
1069     }
1070     void logIncomingKeyEvent(XKeyEvent ev) {
1071         if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1072             keyEventLog.fine("--XWindow.java:handleKeyEvent:"+ev);
1073         }
1074         dumpKeysymArray(ev);
1075         if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1076             keyEventLog.fine("XXXXXXXXXXXXXX javakeycode will be most probably:0x"+ Integer.toHexString(XKeysym.getJavaKeycodeOnly(ev)));
1077         }
1078     }
1079     public void handleKeyPress(XEvent xev) {
1080         super.handleKeyPress(xev);
1081         XKeyEvent ev = xev.get_xkey();
1082         if (eventLog.isLoggable(PlatformLogger.Level.FINE)) {
1083             eventLog.fine(ev.toString());
1084         }
1085         if (isEventDisabled(xev)) {
1086             return;
1087         }
1088         handleKeyPress(ev);
1089     }
1090     // called directly from this package, unlike handleKeyRelease.
1091     // un-final it if you need to override it in a subclass.
1092     final void handleKeyPress(XKeyEvent ev) {
1093         long keysym[] = new long[2];
1094         int unicodeKey = 0;
1095         keysym[0] = XConstants.NoSymbol;
1096 
1097         if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1098             logIncomingKeyEvent( ev );
1099         }
1100         if ( //TODO check if there's an active input method instance
1101              // without calling a native method. Is it necessary though?
1102             haveCurrentX11InputMethodInstance()) {
1103             if (x11inputMethodLookupString(ev.pData, keysym)) {
1104                 if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1105                     keyEventLog.fine("--XWindow.java XIM did process event; return; dec keysym processed:"+(keysym[0])+
1106                                    "; hex keysym processed:"+Long.toHexString(keysym[0])
1107                                    );
1108                 }
1109                 return;
1110             }else {
1111                 unicodeKey = keysymToUnicode( keysym[0], ev.get_state() );
1112                 if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1113                     keyEventLog.fine("--XWindow.java XIM did NOT process event, hex keysym:"+Long.toHexString(keysym[0])+"\n"+
1114                                      "                                         unicode key:"+Integer.toHexString(unicodeKey));
1115                 }
1116             }
1117         }else  {
1118             // No input method instance found. For example, there's a Java Input Method.
1119             // Produce do-it-yourself keysym and perhaps unicode character.
1120             keysym[0] = xkeycodeToKeysym(ev);
1121             unicodeKey = keysymToUnicode( keysym[0], ev.get_state() );
1122             if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1123                 keyEventLog.fine("--XWindow.java XIM is absent;             hex keysym:"+Long.toHexString(keysym[0])+"\n"+
1124                                  "                                         unicode key:"+Integer.toHexString(unicodeKey));
1125             }
1126         }
1127         // Keysym should be converted to Unicode, if possible and necessary,
1128         // and Java KeyEvent keycode should be calculated.
1129         // For press we should post pressed & typed Java events.
1130         //
1131         // Press event might be not processed to this time because
1132         //  (1) either XIM could not handle it or
1133         //  (2) it was Latin 1:1 mapping.
1134         //
1135         // Preserve modifiers to get Java key code for dead keys
1136         boolean isDeadKey = isDeadKey(keysym[0]);
1137         XKeysym.Keysym2JavaKeycode jkc = isDeadKey ? XKeysym.getJavaKeycode(keysym[0])
1138                 : XKeysym.getJavaKeycode(ev);
1139         if( jkc == null ) {
1140             jkc = new XKeysym.Keysym2JavaKeycode(java.awt.event.KeyEvent.VK_UNDEFINED, java.awt.event.KeyEvent.KEY_LOCATION_UNKNOWN);
1141         }
1142 
1143         // Take the first keysym from a keysym array associated with the XKeyevent
1144         // and convert it to Unicode. Then, even if a Java keycode for the keystroke
1145         // is undefined, we still have a guess of what has been engraved on a keytop.
1146         int unicodeFromPrimaryKeysym = keysymToUnicode( xkeycodeToPrimaryKeysym(ev) ,0);
1147 
1148         if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1149             keyEventLog.fine(">>>Fire Event:"+
1150                (ev.get_type() == XConstants.KeyPress ? "KEY_PRESSED; " : "KEY_RELEASED; ")+
1151                "jkeycode:decimal="+jkc.getJavaKeycode()+
1152                ", hex=0x"+Integer.toHexString(jkc.getJavaKeycode())+"; "+
1153                " legacy jkeycode: decimal="+XKeysym.getLegacyJavaKeycodeOnly(ev)+
1154                ", hex=0x"+Integer.toHexString(XKeysym.getLegacyJavaKeycodeOnly(ev))+"; "
1155             );
1156         }
1157 
1158         int jkeyToReturn = XKeysym.getLegacyJavaKeycodeOnly(ev); // someway backward compatible
1159         int jkeyExtended = jkc.getJavaKeycode() == java.awt.event.KeyEvent.VK_UNDEFINED ?
1160                            primaryUnicode2JavaKeycode( unicodeFromPrimaryKeysym ) :
1161                              jkc.getJavaKeycode();
1162         postKeyEvent( java.awt.event.KeyEvent.KEY_PRESSED,
1163                           ev.get_time(),
1164                           isDeadKey ? jkeyExtended : jkeyToReturn,
1165                           (unicodeKey == 0 ? java.awt.event.KeyEvent.CHAR_UNDEFINED : unicodeKey),
1166                           jkc.getKeyLocation(),
1167                           ev.get_state(),ev.getPData(), XKeyEvent.getSize(), (long)(ev.get_keycode()),
1168                           unicodeFromPrimaryKeysym,
1169                           jkeyExtended);
1170 
1171 
1172         if (unicodeKey > 0 && !isDeadKey) {
1173                 if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1174                     keyEventLog.fine("fire _TYPED on "+unicodeKey);
1175                 }
1176                 postKeyEvent( java.awt.event.KeyEvent.KEY_TYPED,
1177                               ev.get_time(),
1178                               java.awt.event.KeyEvent.VK_UNDEFINED,
1179                               unicodeKey,
1180                               java.awt.event.KeyEvent.KEY_LOCATION_UNKNOWN,
1181                               ev.get_state(),ev.getPData(), XKeyEvent.getSize(), (long)0,
1182                               unicodeFromPrimaryKeysym,
1183                               java.awt.event.KeyEvent.VK_UNDEFINED);
1184 
1185         }
1186 
1187 
1188     }
1189 
1190     public void handleKeyRelease(XEvent xev) {
1191         super.handleKeyRelease(xev);
1192         XKeyEvent ev = xev.get_xkey();
1193         if (eventLog.isLoggable(PlatformLogger.Level.FINE)) {
1194             eventLog.fine(ev.toString());
1195         }
1196         if (isEventDisabled(xev)) {
1197             return;
1198         }
1199         handleKeyRelease(ev);
1200     }
1201     // un-private it if you need to call it from elsewhere
1202     private void handleKeyRelease(XKeyEvent ev) {
1203         int unicodeKey = 0;
1204 
1205         if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1206             logIncomingKeyEvent( ev );
1207         }
1208         // Keysym should be converted to Unicode, if possible and necessary,
1209         // and Java KeyEvent keycode should be calculated.
1210         // For release we should post released event.
1211         //
1212         // Preserve modifiers to get Java key code for dead keys
1213         long keysym = xkeycodeToKeysym(ev);
1214         boolean isDeadKey = isDeadKey(keysym);
1215         XKeysym.Keysym2JavaKeycode jkc = isDeadKey ? XKeysym.getJavaKeycode(keysym)
1216                 : XKeysym.getJavaKeycode(ev);
1217         if( jkc == null ) {
1218             jkc = new XKeysym.Keysym2JavaKeycode(java.awt.event.KeyEvent.VK_UNDEFINED, java.awt.event.KeyEvent.KEY_LOCATION_UNKNOWN);
1219         }
1220         if (keyEventLog.isLoggable(PlatformLogger.Level.FINE)) {
1221             keyEventLog.fine(">>>Fire Event:"+
1222                (ev.get_type() == XConstants.KeyPress ? "KEY_PRESSED; " : "KEY_RELEASED; ")+
1223                "jkeycode:decimal="+jkc.getJavaKeycode()+
1224                ", hex=0x"+Integer.toHexString(jkc.getJavaKeycode())+"; "+
1225                " legacy jkeycode: decimal="+XKeysym.getLegacyJavaKeycodeOnly(ev)+
1226                ", hex=0x"+Integer.toHexString(XKeysym.getLegacyJavaKeycodeOnly(ev))+"; "
1227             );
1228         }
1229         // We obtain keysym from IM and derive unicodeKey from it for KeyPress only.
1230         // We used to cache that value and retrieve it on KeyRelease,
1231         // but in case for example of a dead key+vowel pair, a vowel after a deadkey
1232         // might never be cached before.
1233         // Also, switching between keyboard layouts, we might cache a wrong letter.
1234         // That's why we use the same procedure as if there was no IM instance: do-it-yourself unicode.
1235         unicodeKey = keysymToUnicode( xkeycodeToKeysym(ev), ev.get_state() );
1236 
1237         // Take a first keysym from a keysym array associated with the XKeyevent
1238         // and convert it to Unicode. Then, even if Java keycode for the keystroke
1239         // is undefined, we still will have a guess of what was engraved on a keytop.
1240         int unicodeFromPrimaryKeysym = keysymToUnicode( xkeycodeToPrimaryKeysym(ev) ,0);
1241 
1242         int jkeyToReturn = XKeysym.getLegacyJavaKeycodeOnly(ev); // someway backward compatible
1243         int jkeyExtended = jkc.getJavaKeycode() == java.awt.event.KeyEvent.VK_UNDEFINED ?
1244                            primaryUnicode2JavaKeycode( unicodeFromPrimaryKeysym ) :
1245                              jkc.getJavaKeycode();
1246         postKeyEvent(  java.awt.event.KeyEvent.KEY_RELEASED,
1247                           ev.get_time(),
1248                           isDeadKey ? jkeyExtended : jkeyToReturn,
1249                           (unicodeKey == 0 ? java.awt.event.KeyEvent.CHAR_UNDEFINED : unicodeKey),
1250                           jkc.getKeyLocation(),
1251                           ev.get_state(),ev.getPData(), XKeyEvent.getSize(), (long)(ev.get_keycode()),
1252                           unicodeFromPrimaryKeysym,
1253                           jkeyExtended);
1254 
1255 
1256     }
1257 
1258 
1259     private boolean isDeadKey(long keysym){
1260         return XKeySymConstants.XK_dead_grave <= keysym && keysym <= XKeySymConstants.XK_dead_semivoiced_sound;
1261     }
1262 
1263     /*
1264      * XmNiconic and Map/UnmapNotify (that XmNiconic relies on) are
1265      * unreliable, since mapping changes can happen for a virtual desktop
1266      * switch or MacOS style shading that became quite popular under X as
1267      * well.  Yes, it probably should not be this way, as it violates
1268      * ICCCM, but reality is that quite a lot of window managers abuse
1269      * mapping state.
1270      */
1271     int getWMState() {
1272         if (stateChanged) {
1273             stateChanged = false;
1274             WindowPropertyGetter getter =
1275                 new WindowPropertyGetter(window, XWM.XA_WM_STATE, 0, 1, false,
1276                                          XWM.XA_WM_STATE);
1277             try {
1278                 int status = getter.execute();
1279                 if (status != XConstants.Success || getter.getData() == 0) {
1280                     return savedState = XUtilConstants.WithdrawnState;
1281                 }
1282 
1283                 if (getter.getActualType() != XWM.XA_WM_STATE.getAtom() && getter.getActualFormat() != 32) {
1284                     return savedState = XUtilConstants.WithdrawnState;
1285                 }
1286                 savedState = (int)Native.getCard32(getter.getData());
1287             } finally {
1288                 getter.dispose();
1289             }
1290         }
1291         return savedState;
1292     }
1293 
1294     /**
1295      * Override this methods to get notifications when top-level window state changes. The state is
1296      * meant in terms of ICCCM: WithdrawnState, IconicState, NormalState
1297      */
1298     protected void stateChanged(long time, int oldState, int newState) {
1299     }
1300 
1301     @Override
1302     public void handlePropertyNotify(XEvent xev) {
1303         super.handlePropertyNotify(xev);
1304         XPropertyEvent ev = xev.get_xproperty();
1305         if (ev.get_atom() == XWM.XA_WM_STATE.getAtom()) {
1306             // State has changed, invalidate saved value
1307             stateChanged = true;
1308             stateChanged(ev.get_time(), savedState, getWMState());
1309         }
1310     }
1311 
1312     public void reshape(Rectangle bounds) {
1313         reshape(bounds.x, bounds.y, bounds.width, bounds.height);
1314     }
1315 
1316     public void reshape(int x, int y, int width, int height) {
1317         if (width <= 0) {
1318             width = 1;
1319         }
1320         if (height <= 0) {
1321             height = 1;
1322         }
1323         this.x = x;
1324         this.y = y;
1325         this.width = width;
1326         this.height = height;
1327         xSetBounds(x, y, width, height);
1328         // Fixed 6322593, 6304251, 6315137:
1329         // XWindow's SurfaceData should be invalidated and recreated as part
1330         // of the process of resizing the window
1331         // see the evaluation of the bug 6304251 for more information
1332         validateSurface();
1333         layout();
1334     }
1335 
1336     public void layout() {}
1337 
1338     boolean isShowing() {
1339         return visible;
1340     }
1341 
1342     boolean isResizable() {
1343         return true;
1344     }
1345 
1346     boolean isLocationByPlatform() {
1347         return false;
1348     }
1349 
1350     void updateSizeHints() {
1351         updateSizeHints(x, y, width, height);
1352     }
1353 
1354     void updateSizeHints(int x, int y, int width, int height) {
1355         long flags = XUtilConstants.PSize | (isLocationByPlatform() ? 0 : (XUtilConstants.PPosition | XUtilConstants.USPosition));
1356         if (!isResizable()) {
1357             if (log.isLoggable(PlatformLogger.Level.FINER)) {
1358                 log.finer("Window {0} is not resizable", this);
1359             }
1360             flags |= XUtilConstants.PMinSize | XUtilConstants.PMaxSize;
1361         } else {
1362             if (log.isLoggable(PlatformLogger.Level.FINER)) {
1363                 log.finer("Window {0} is resizable", this);
1364             }
1365         }
1366         setSizeHints(flags, x, y, width, height);
1367     }
1368 
1369     void updateSizeHints(int x, int y) {
1370         long flags = isLocationByPlatform() ? 0 : (XUtilConstants.PPosition | XUtilConstants.USPosition);
1371         if (!isResizable()) {
1372             if (log.isLoggable(PlatformLogger.Level.FINER)) {
1373                 log.finer("Window {0} is not resizable", this);
1374             }
1375             flags |= XUtilConstants.PMinSize | XUtilConstants.PMaxSize | XUtilConstants.PSize;
1376         } else {
1377             if (log.isLoggable(PlatformLogger.Level.FINER)) {
1378                 log.finer("Window {0} is resizable", this);
1379             }
1380         }
1381         setSizeHints(flags, x, y, width, height);
1382     }
1383 
1384     void validateSurface() {
1385         if ((width != oldWidth) || (height != oldHeight)) {
1386             doValidateSurface();
1387 
1388             oldWidth = width;
1389             oldHeight = height;
1390         }
1391     }
1392 
1393     final void doValidateSurface() {
1394         SurfaceData oldData = surfaceData;
1395         if (oldData != null) {
1396             surfaceData = graphicsConfig.createSurfaceData(this);
1397             oldData.invalidate();
1398         }
1399     }
1400 
1401     public SurfaceData getSurfaceData() {
1402         return surfaceData;
1403     }
1404 
1405     public void dispose() {
1406         SurfaceData oldData = surfaceData;
1407         surfaceData = null;
1408         if (oldData != null) {
1409             oldData.invalidate();
1410         }
1411         XToolkit.targetDisposedPeer(target, this);
1412         destroy();
1413     }
1414 
1415     public Point getLocationOnScreen() {
1416         synchronized (target.getTreeLock()) {
1417             Component comp = target;
1418 
1419             while (comp != null && !(comp instanceof Window)) {
1420                 comp = AWTAccessor.getComponentAccessor().getParent(comp);
1421             }
1422 
1423             // applets, embedded, etc - translate directly
1424             // XXX: override in subclass?
1425             if (comp == null || comp instanceof sun.awt.EmbeddedFrame) {
1426                 return toGlobal(0, 0);
1427             }
1428 
1429             XToolkit.awtLock();
1430             try {
1431                 Object wpeer = XToolkit.targetToPeer(comp);
1432                 if (wpeer == null
1433                     || !(wpeer instanceof XDecoratedPeer)
1434                     || ((XDecoratedPeer)wpeer).configure_seen)
1435                 {
1436                     return toGlobal(0, 0);
1437                 }
1438 
1439                 // wpeer is an XDecoratedPeer not yet fully adopted by WM
1440                 Point pt = toOtherWindow(getContentWindow(),
1441                                          ((XDecoratedPeer)wpeer).getContentWindow(),
1442                                          0, 0);
1443 
1444                 if (pt == null) {
1445                     pt = new Point(((XBaseWindow)wpeer).getAbsoluteX(), ((XBaseWindow)wpeer).getAbsoluteY());
1446                 }
1447                 pt.x += comp.getX();
1448                 pt.y += comp.getY();
1449                 return pt;
1450             } finally {
1451                 XToolkit.awtUnlock();
1452             }
1453         }
1454     }
1455 
1456 
1457     static void setBData(KeyEvent e, byte[] data) {
1458         AWTAccessor.getAWTEventAccessor().setBData(e, data);
1459     }
1460 
1461     public void postKeyEvent(int id, long when, int keyCode, int keyChar,
1462         int keyLocation, int state, long event, int eventSize, long rawCode,
1463         int unicodeFromPrimaryKeysym, int extendedKeyCode)
1464 
1465     {
1466         long jWhen = XToolkit.nowMillisUTC_offset(when);
1467         int modifiers = getModifiers(state, 0, keyCode);
1468 
1469         KeyEvent ke = new KeyEvent(getEventSource(), id, jWhen,
1470                                    modifiers, keyCode, (char)keyChar, keyLocation);
1471         if (event != 0) {
1472             byte[] data = Native.toBytes(event, eventSize);
1473             setBData(ke, data);
1474         }
1475 
1476         AWTAccessor.KeyEventAccessor kea = AWTAccessor.getKeyEventAccessor();
1477         kea.setRawCode(ke, rawCode);
1478         kea.setPrimaryLevelUnicode(ke, (long)unicodeFromPrimaryKeysym);
1479         kea.setExtendedKeyCode(ke, (long)extendedKeyCode);
1480         postEventToEventQueue(ke);
1481     }
1482 
1483     static native int getAWTKeyCodeForKeySym(int keysym);
1484     static native int getKeySymForAWTKeyCode(int keycode);
1485 
1486     /* These two methods are actually applicable to toplevel windows only.
1487      * However, the functionality is required by both the XWindowPeer and
1488      * XWarningWindow, both of which have the XWindow as a common ancestor.
1489      * See XWM.setMotifDecor() for details.
1490      */
1491     public PropMwmHints getMWMHints() {
1492         if (mwm_hints == null) {
1493             mwm_hints = new PropMwmHints();
1494             if (!XWM.XA_MWM_HINTS.getAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS)) {
1495                 mwm_hints.zero();
1496             }
1497         }
1498         return mwm_hints;
1499     }
1500 
1501     public void setMWMHints(PropMwmHints hints) {
1502         mwm_hints = hints;
1503         if (hints != null) {
1504             XWM.XA_MWM_HINTS.setAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS);
1505         }
1506     }
1507 
1508     protected final void initWMProtocols() {
1509         wm_protocols.setAtomListProperty(this, getWMProtocols());
1510     }
1511 
1512     /**
1513      * Returns list of protocols which should be installed on this window.
1514      * Descendants can override this method to add class-specific protocols
1515      */
1516     protected XAtomList getWMProtocols() {
1517         // No protocols on simple window
1518         return new XAtomList();
1519     }
1520 
1521     /**
1522      * Indicates if the window is currently in the FSEM.
1523      * Synchronization: state lock.
1524      */
1525     private boolean fullScreenExclusiveModeState = false;
1526 
1527     // Implementation of the X11ComponentPeer
1528     @Override
1529     public void setFullScreenExclusiveModeState(boolean state) {
1530         synchronized (getStateLock()) {
1531             fullScreenExclusiveModeState = state;
1532         }
1533     }
1534 
1535     public final boolean isFullScreenExclusiveMode() {
1536         synchronized (getStateLock()) {
1537             return fullScreenExclusiveModeState;
1538         }
1539     }
1540 
1541 }