8187443: Forest Consolidation: Move files to unified layout

Reviewed-by: darcy, ihse

1 files changed, 2414 insertions, 0 deletions

diff --git a/src/java.desktop/unix/classes/sun/awt/X11/XWindowPeer.java b/src/java.desktop/unix/classes/sun/awt/X11/XWindowPeer.java
new file mode 100644
index 00000000000..05fe8163e93
--- /dev/null
+++ b/src/java.desktop/unix/classes/sun/awt/X11/XWindowPeer.java
@@ -0,0 +1,2414 @@
+/*
+ * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package sun.awt.X11;
+
+import java.awt.*;
+
+import java.awt.event.ComponentEvent;
+import java.awt.event.FocusEvent;
+import java.awt.event.WindowEvent;
+import java.awt.geom.AffineTransform;
+
+import java.awt.peer.ComponentPeer;
+import java.awt.peer.WindowPeer;
+
+import java.io.UnsupportedEncodingException;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+import java.util.Vector;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import sun.awt.AWTAccessor.ComponentAccessor;
+import sun.util.logging.PlatformLogger;
+
+import sun.awt.AWTAccessor;
+import sun.awt.DisplayChangedListener;
+import sun.awt.SunToolkit;
+import sun.awt.X11GraphicsDevice;
+import sun.awt.X11GraphicsEnvironment;
+import sun.awt.IconInfo;
+
+import sun.java2d.pipe.Region;
+
+class XWindowPeer extends XPanelPeer implements WindowPeer,
+                                                DisplayChangedListener {
+
+    private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XWindowPeer");
+    private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.awt.X11.focus.XWindowPeer");
+    private static final PlatformLogger insLog = PlatformLogger.getLogger("sun.awt.X11.insets.XWindowPeer");
+    private static final PlatformLogger grabLog = PlatformLogger.getLogger("sun.awt.X11.grab.XWindowPeer");
+    private static final PlatformLogger iconLog = PlatformLogger.getLogger("sun.awt.X11.icon.XWindowPeer");
+
+    // should be synchronized on awtLock
+    private static Set<XWindowPeer> windows = new HashSet<XWindowPeer>();
+
+
+    private boolean cachedFocusableWindow;
+    XWarningWindow warningWindow;
+
+    private boolean alwaysOnTop;
+    private boolean locationByPlatform;
+
+    Dialog modalBlocker;
+    boolean delayedModalBlocking = false;
+    Dimension targetMinimumSize = null;
+
+    private XWindowPeer ownerPeer;
+
+    // used for modal blocking to keep existing z-order
+    protected XWindowPeer prevTransientFor, nextTransientFor;
+    // value of WM_TRANSIENT_FOR hint set on this window
+    private XBaseWindow curRealTransientFor;
+
+    private boolean grab = false; // Whether to do a grab during showing
+
+    private boolean isMapped = false; // Is this window mapped or not
+    private boolean mustControlStackPosition = false; // Am override-redirect not on top
+    private XEventDispatcher rootPropertyEventDispatcher = null;
+
+    private static final AtomicBoolean isStartupNotificationRemoved = new AtomicBoolean();
+
+    /*
+     * Focus related flags
+     */
+    private boolean isUnhiding = false;             // Is the window unhiding.
+    private boolean isBeforeFirstMapNotify = false; // Is the window (being shown) between
+                                                    //    setVisible(true) & handleMapNotify().
+
+    /**
+     * The type of the window.
+     *
+     * The type is supposed to be immutable while the peer object exists.
+     * The value gets initialized in the preInit() method.
+     */
+    private Window.Type windowType = Window.Type.NORMAL;
+
+    public final Window.Type getWindowType() {
+        return windowType;
+    }
+
+    // It need to be accessed from XFramePeer.
+    protected Vector <ToplevelStateListener> toplevelStateListeners = new Vector<ToplevelStateListener>();
+    XWindowPeer(XCreateWindowParams params) {
+        super(params.putIfNull(PARENT_WINDOW, Long.valueOf(0)));
+    }
+
+    XWindowPeer(Window target) {
+        super(new XCreateWindowParams(new Object[] {
+            TARGET, target,
+            PARENT_WINDOW, Long.valueOf(0)}));
+    }
+
+    /*
+     * This constant defines icon size recommended for using.
+     * Apparently, we should use XGetIconSizes which should
+     * return icon sizes would be most appreciated by the WM.
+     * However, XGetIconSizes always returns 0 for some reason.
+     * So the constant has been introduced.
+     */
+    private static final int PREFERRED_SIZE_FOR_ICON = 128;
+
+    /*
+     * Sometimes XChangeProperty(_NET_WM_ICON) doesn't work if
+     * image buffer is too large. This constant holds maximum
+     * length of buffer which can be used with _NET_WM_ICON hint.
+     * It holds int's value.
+     */
+    private static final int MAXIMUM_BUFFER_LENGTH_NET_WM_ICON = (2<<15) - 1;
+
+    void preInit(XCreateWindowParams params) {
+        target = (Component)params.get(TARGET);
+        windowType = ((Window)target).getType();
+        params.put(REPARENTED,
+                   Boolean.valueOf(isOverrideRedirect() || isSimpleWindow()));
+        super.preInit(params);
+        params.putIfNull(BIT_GRAVITY, Integer.valueOf(XConstants.NorthWestGravity));
+
+        long eventMask = 0;
+        if (params.containsKey(EVENT_MASK)) {
+            eventMask = ((Long)params.get(EVENT_MASK));
+        }
+        eventMask |= XConstants.VisibilityChangeMask;
+        params.put(EVENT_MASK, eventMask);
+
+        XA_NET_WM_STATE = XAtom.get("_NET_WM_STATE");
+
+
+        params.put(OVERRIDE_REDIRECT, Boolean.valueOf(isOverrideRedirect()));
+
+        SunToolkit.awtLock();
+        try {
+            windows.add(this);
+        } finally {
+            SunToolkit.awtUnlock();
+        }
+
+        cachedFocusableWindow = isFocusableWindow();
+
+        if (!target.isFontSet()) {
+               target.setFont(XWindow.getDefaultFont());
+               // we should not call setFont because it will call a repaint
+               // which the peer may not be ready to do yet.
+        }
+        if (!target.isBackgroundSet()) {
+               target.setBackground(SystemColor.window);
+               // we should not call setBackGround because it will call a repaint
+               // which the peer may not be ready to do yet.
+
+        }
+        if (!target.isForegroundSet()) {
+               target.setForeground(SystemColor.windowText);
+               // we should not call setForeGround because it will call a repaint
+               // which the peer may not be ready to do yet.
+        }
+
+
+        alwaysOnTop = ((Window)target).isAlwaysOnTop() && ((Window)target).isAlwaysOnTopSupported();
+
+        GraphicsConfiguration gc = getGraphicsConfiguration();
+        ((X11GraphicsDevice)gc.getDevice()).addDisplayChangedListener(this);
+    }
+
+    protected String getWMName() {
+        String name = target.getName();
+        if (name == null || name.trim().equals("")) {
+            name = " ";
+        }
+        return name;
+    }
+
+    private static native String getLocalHostname();
+    private static native int getJvmPID();
+
+    @SuppressWarnings("deprecation")
+    void postInit(XCreateWindowParams params) {
+        super.postInit(params);
+
+        // Init WM_PROTOCOLS atom
+        initWMProtocols();
+
+        // Set _NET_WM_PID and WM_CLIENT_MACHINE using this JVM
+        XAtom.get("WM_CLIENT_MACHINE").setProperty(getWindow(), getLocalHostname());
+        XAtom.get("_NET_WM_PID").setCard32Property(getWindow(), getJvmPID());
+
+        // Set WM_TRANSIENT_FOR and group_leader
+        Window t_window = (Window)target;
+        Window owner = t_window.getOwner();
+        if (owner != null) {
+            ownerPeer = AWTAccessor.getComponentAccessor().getPeer(owner);
+            if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
+                focusLog.finer("Owner is " + owner);
+                focusLog.finer("Owner peer is " + ownerPeer);
+                focusLog.finer("Owner X window " + Long.toHexString(ownerPeer.getWindow()));
+                focusLog.finer("Owner content X window " + Long.toHexString(ownerPeer.getContentWindow()));
+            }
+            // as owner window may be an embedded window, we must get a toplevel window
+            // to set as TRANSIENT_FOR hint
+            long ownerWindow = ownerPeer.getWindow();
+            if (ownerWindow != 0) {
+                XToolkit.awtLock();
+                try {
+                    // Set WM_TRANSIENT_FOR
+                    if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
+                        focusLog.fine("Setting transient on " + Long.toHexString(getWindow())
+                                      + " for " + Long.toHexString(ownerWindow));
+                    }
+                    setToplevelTransientFor(this, ownerPeer, false, true);
+
+                    // Set group leader
+                    XWMHints hints = getWMHints();
+                    hints.set_flags(hints.get_flags() | (int)XUtilConstants.WindowGroupHint);
+                    hints.set_window_group(ownerWindow);
+                    XlibWrapper.XSetWMHints(XToolkit.getDisplay(), getWindow(), hints.pData);
+                }
+                finally {
+                    XToolkit.awtUnlock();
+                }
+            }
+        }
+
+        if (owner != null || isSimpleWindow()) {
+            XNETProtocol protocol = XWM.getWM().getNETProtocol();
+            if (protocol != null && protocol.active()) {
+                XToolkit.awtLock();
+                try {
+                    XAtomList net_wm_state = getNETWMState();
+                    net_wm_state.add(protocol.XA_NET_WM_STATE_SKIP_TASKBAR);
+                    setNETWMState(net_wm_state);
+                } finally {
+                    XToolkit.awtUnlock();
+                }
+
+            }
+        }
+
+         // Init warning window(for applets)
+        if (((Window)target).getWarningString() != null) {
+            // accessSystemTray permission allows to display TrayIcon, TrayIcon tooltip
+            // and TrayIcon balloon windows without a warning window.
+            if (!AWTAccessor.getWindowAccessor().isTrayIconWindow((Window)target)) {
+                warningWindow = new XWarningWindow((Window)target, getWindow(), this);
+            }
+        }
+
+        setSaveUnder(true);
+
+        updateIconImages();
+
+        updateShape();
+        updateOpacity();
+        // no need in updateOpaque() as it is no-op
+    }
+
+    public void updateIconImages() {
+        Window target = (Window)this.target;
+        java.util.List<Image> iconImages = target.getIconImages();
+        XWindowPeer ownerPeer = getOwnerPeer();
+        winAttr.icons = new ArrayList<IconInfo>();
+        if (iconImages.size() != 0) {
+            //read icon images from target
+            winAttr.iconsInherited = false;
+            for (Iterator<Image> i = iconImages.iterator(); i.hasNext(); ) {
+                Image image = i.next();
+                if (image == null) {
+                    if (log.isLoggable(PlatformLogger.Level.FINEST)) {
+                        log.finest("XWindowPeer.updateIconImages: Skipping the image passed into Java because it's null.");
+                    }
+                    continue;
+                }
+                IconInfo iconInfo;
+                try {
+                    iconInfo = new IconInfo(image);
+                } catch (Exception e){
+                    if (log.isLoggable(PlatformLogger.Level.FINEST)) {
+                        log.finest("XWindowPeer.updateIconImages: Perhaps the image passed into Java is broken. Skipping this icon.");
+                    }
+                    continue;
+                }
+                if (iconInfo.isValid()) {
+                    winAttr.icons.add(iconInfo);
+                }
+            }
+        }
+
+        // Fix for CR#6425089
+        winAttr.icons = normalizeIconImages(winAttr.icons);
+
+        if (winAttr.icons.size() == 0) {
+            //target.icons is empty or all icon images are broken
+            if (ownerPeer != null) {
+                //icon is inherited from parent
+                winAttr.iconsInherited = true;
+                winAttr.icons = ownerPeer.getIconInfo();
+            } else {
+                //default icon is used
+                winAttr.iconsInherited = false;
+                winAttr.icons = getDefaultIconInfo();
+            }
+        }
+        recursivelySetIcon(winAttr.icons);
+    }
+
+    /*
+     * Sometimes XChangeProperty(_NET_WM_ICON) doesn't work if
+     * image buffer is too large. This function help us accommodate
+     * initial list of the icon images to certainly-acceptable.
+     * It does scale some of these icons to appropriate size
+     * if it's necessary.
+     */
+    static java.util.List<IconInfo> normalizeIconImages(java.util.List<IconInfo> icons) {
+        java.util.List<IconInfo> result = new ArrayList<IconInfo>();
+        int totalLength = 0;
+        boolean haveLargeIcon = false;
+
+        for (IconInfo icon : icons) {
+            int width = icon.getWidth();
+            int height = icon.getHeight();
+            int length = icon.getRawLength();
+
+            if (width > PREFERRED_SIZE_FOR_ICON || height > PREFERRED_SIZE_FOR_ICON) {
+                if (haveLargeIcon) {
+                    continue;
+                }
+                int scaledWidth = width;
+                int scaledHeight = height;
+                while (scaledWidth > PREFERRED_SIZE_FOR_ICON ||
+                       scaledHeight > PREFERRED_SIZE_FOR_ICON) {
+                    scaledWidth = scaledWidth / 2;
+                    scaledHeight = scaledHeight / 2;
+                }
+
+                icon.setScaledSize(scaledWidth, scaledHeight);
+                length = icon.getRawLength();
+            }
+
+            if (totalLength + length <= MAXIMUM_BUFFER_LENGTH_NET_WM_ICON) {
+                totalLength += length;
+                result.add(icon);
+                if (width > PREFERRED_SIZE_FOR_ICON || height > PREFERRED_SIZE_FOR_ICON) {
+                    haveLargeIcon = true;
+                }
+            }
+        }
+
+        if (iconLog.isLoggable(PlatformLogger.Level.FINEST)) {
+            iconLog.finest(">>> Length_ of buffer of icons data: " + totalLength +
+                           ", maximum length: " + MAXIMUM_BUFFER_LENGTH_NET_WM_ICON);
+        }
+
+        return result;
+    }
+
+    /*
+     * Dumps each icon from the list
+     */
+    static void dumpIcons(java.util.List<IconInfo> icons) {
+        if (iconLog.isLoggable(PlatformLogger.Level.FINEST)) {
+            iconLog.finest(">>> Sizes of icon images:");
+            for (Iterator<IconInfo> i = icons.iterator(); i.hasNext(); ) {
+                iconLog.finest("    {0}", i.next());
+            }
+        }
+    }
+
+    public void recursivelySetIcon(java.util.List<IconInfo> icons) {
+        dumpIcons(winAttr.icons);
+        setIconHints(icons);
+        Window target = (Window)this.target;
+        Window[] children = target.getOwnedWindows();
+        int cnt = children.length;
+        final ComponentAccessor acc = AWTAccessor.getComponentAccessor();
+        for (int i = 0; i < cnt; i++) {
+            final ComponentPeer childPeer = acc.getPeer(children[i]);
+            if (childPeer != null && childPeer instanceof XWindowPeer) {
+                if (((XWindowPeer)childPeer).winAttr.iconsInherited) {
+                    ((XWindowPeer)childPeer).winAttr.icons = icons;
+                    ((XWindowPeer)childPeer).recursivelySetIcon(icons);
+                }
+            }
+        }
+    }
+
+    java.util.List<IconInfo> getIconInfo() {
+        return winAttr.icons;
+    }
+    void setIconHints(java.util.List<IconInfo> icons) {
+        //This does nothing for XWindowPeer,
+        //It's overriden in XDecoratedPeer
+    }
+
+    private static ArrayList<IconInfo> defaultIconInfo;
+    protected static synchronized java.util.List<IconInfo> getDefaultIconInfo() {
+        if (defaultIconInfo == null) {
+            defaultIconInfo = new ArrayList<IconInfo>();
+            if (XlibWrapper.dataModel == 32) {
+                defaultIconInfo.add(new IconInfo(sun.awt.AWTIcon32_java_icon16_png.java_icon16_png));
+                defaultIconInfo.add(new IconInfo(sun.awt.AWTIcon32_java_icon24_png.java_icon24_png));
+                defaultIconInfo.add(new IconInfo(sun.awt.AWTIcon32_java_icon32_png.java_icon32_png));
+                defaultIconInfo.add(new IconInfo(sun.awt.AWTIcon32_java_icon48_png.java_icon48_png));
+            } else {
+                defaultIconInfo.add(new IconInfo(sun.awt.AWTIcon64_java_icon16_png.java_icon16_png));
+                defaultIconInfo.add(new IconInfo(sun.awt.AWTIcon64_java_icon24_png.java_icon24_png));
+                defaultIconInfo.add(new IconInfo(sun.awt.AWTIcon64_java_icon32_png.java_icon32_png));
+                defaultIconInfo.add(new IconInfo(sun.awt.AWTIcon64_java_icon48_png.java_icon48_png));
+            }
+        }
+        return defaultIconInfo;
+    }
+
+    private void updateShape() {
+        // Shape shape = ((Window)target).getShape();
+        Shape shape = AWTAccessor.getWindowAccessor().getShape((Window)target);
+        if (shape != null) {
+            applyShape(Region.getInstance(shape, null));
+        }
+    }
+
+    private void updateOpacity() {
+        // float opacity = ((Window)target).getOpacity();
+        float opacity = AWTAccessor.getWindowAccessor().getOpacity((Window)target);
+        if (opacity < 1.0f) {
+            setOpacity(opacity);
+        }
+    }
+
+    public void updateMinimumSize() {
+        //This function only saves minimumSize value in XWindowPeer
+        //Setting WMSizeHints is implemented in XDecoratedPeer
+        targetMinimumSize = (target.isMinimumSizeSet()) ?
+            target.getMinimumSize() : null;
+    }
+
+    public Dimension getTargetMinimumSize() {
+        return (targetMinimumSize == null) ? null : new Dimension(targetMinimumSize);
+    }
+
+    public XWindowPeer getOwnerPeer() {
+        return ownerPeer;
+    }
+
+    //Fix for 6318144: PIT:Setting Min Size bigger than current size enlarges
+    //the window but fails to revalidate, Sol-CDE
+    //This bug is regression for
+    //5025858: Resizing a decorated frame triggers componentResized event twice.
+    //Since events are not posted from Component.setBounds we need to send them here.
+    //Note that this function is overriden in XDecoratedPeer so event
+    //posting is not changing for decorated peers
+    public void setBounds(int x, int y, int width, int height, int op) {
+        XToolkit.awtLock();
+        try {
+            Rectangle oldBounds = getBounds();
+
+            super.setBounds(x, y, width, height, op);
+
+            Rectangle bounds = getBounds();
+
+            XSizeHints hints = getHints();
+            setSizeHints(hints.get_flags() | XUtilConstants.PPosition | XUtilConstants.PSize,
+                             bounds.x, bounds.y, bounds.width, bounds.height);
+            XWM.setMotifDecor(this, false, 0, 0);
+
+            boolean isResized = !bounds.getSize().equals(oldBounds.getSize());
+            boolean isMoved = !bounds.getLocation().equals(oldBounds.getLocation());
+            if (isMoved || isResized) {
+                repositionSecurityWarning();
+            }
+            if (isResized) {
+                postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_RESIZED));
+            }
+            if (isMoved) {
+                postEventToEventQueue(new ComponentEvent(getEventSource(), ComponentEvent.COMPONENT_MOVED));
+            }
+        } finally {
+            XToolkit.awtUnlock();
+        }
+    }
+
+    void updateFocusability() {
+        updateFocusableWindowState();
+        XToolkit.awtLock();
+        try {
+            XWMHints hints = getWMHints();
+            hints.set_flags(hints.get_flags() | (int)XUtilConstants.InputHint);
+            hints.set_input(false/*isNativelyNonFocusableWindow() ? (0):(1)*/);
+            XlibWrapper.XSetWMHints(XToolkit.getDisplay(), getWindow(), hints.pData);
+        }
+        finally {
+            XToolkit.awtUnlock();
+        }
+    }
+
+    public Insets getInsets() {
+        return new Insets(0, 0, 0, 0);
+    }
+
+    // NOTE: This method may be called by privileged threads.
+    //       DO NOT INVOKE CLIENT CODE ON THIS THREAD!
+    public void handleIconify() {
+        postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_ICONIFIED));
+    }
+
+    // NOTE: This method may be called by privileged threads.
+    //       DO NOT INVOKE CLIENT CODE ON THIS THREAD!
+    public void handleDeiconify() {
+        postEvent(new WindowEvent((Window)target, WindowEvent.WINDOW_DEICONIFIED));
+    }
+
+    // NOTE: This method may be called by privileged threads.
+    //       DO NOT INVOKE CLIENT CODE ON THIS THREAD!
+    public void handleStateChange(int oldState, int newState) {
+        postEvent(new WindowEvent((Window)target,
+                                  WindowEvent.WINDOW_STATE_CHANGED,
+                                  oldState, newState));
+    }
+
+    /**
+     * DEPRECATED:  Replaced by getInsets().
+     */
+    public Insets insets() {
+        return getInsets();
+    }
+
+    boolean isAutoRequestFocus() {
+        if (XToolkit.isToolkitThread()) {
+            return AWTAccessor.getWindowAccessor().isAutoRequestFocus((Window)target);
+        } else {
+            return ((Window)target).isAutoRequestFocus();
+        }
+    }
+
+    /*
+     * Retrives real native focused window and converts it into Java peer.
+     */
+    static XWindowPeer getNativeFocusedWindowPeer() {
+        XBaseWindow baseWindow = XToolkit.windowToXWindow(xGetInputFocus());
+        return (baseWindow instanceof XWindowPeer) ? (XWindowPeer)baseWindow :
+               (baseWindow instanceof XFocusProxyWindow) ?
+               ((XFocusProxyWindow)baseWindow).getOwner() : null;
+    }
+
+    /*
+     * Retrives real native focused window and converts it into Java window.
+     */
+    static Window getNativeFocusedWindow() {
+        XWindowPeer peer = getNativeFocusedWindowPeer();
+        return peer != null ? (Window)peer.target : null;
+    }
+
+    boolean isFocusableWindow() {
+        if (XToolkit.isToolkitThread() || SunToolkit.isAWTLockHeldByCurrentThread())
+        {
+            return cachedFocusableWindow;
+        } else {
+            return ((Window)target).isFocusableWindow();
+        }
+    }
+
+    /* WARNING: don't call client code in this method! */
+    boolean isFocusedWindowModalBlocker() {
+        return false;
+    }
+
+    long getFocusTargetWindow() {
+        return getContentWindow();
+    }
+
+    /**
+     * Returns whether or not this window peer has native X window
+     * configured as non-focusable window. It might happen if:
+     * - Java window is non-focusable
+     * - Java window is simple Window(not Frame or Dialog)
+     */
+    boolean isNativelyNonFocusableWindow() {
+        if (XToolkit.isToolkitThread() || SunToolkit.isAWTLockHeldByCurrentThread())
+        {
+            return isSimpleWindow() || !cachedFocusableWindow;
+        } else {
+            return isSimpleWindow() || !(((Window)target).isFocusableWindow());
+        }
+    }
+
+    public void handleWindowFocusIn_Dispatch() {
+        if (EventQueue.isDispatchThread()) {
+            XKeyboardFocusManagerPeer.getInstance().setCurrentFocusedWindow((Window) target);
+            WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS);
+            SunToolkit.setSystemGenerated(we);
+            target.dispatchEvent(we);
+        }
+    }
+
+    public void handleWindowFocusInSync(long serial) {
+        WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS);
+        XKeyboardFocusManagerPeer.getInstance().setCurrentFocusedWindow((Window) target);
+        sendEvent(we);
+    }
+    // NOTE: This method may be called by privileged threads.
+    //       DO NOT INVOKE CLIENT CODE ON THIS THREAD!
+    public void handleWindowFocusIn(long serial) {
+        WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_GAINED_FOCUS);
+        /* wrap in Sequenced, then post*/
+        XKeyboardFocusManagerPeer.getInstance().setCurrentFocusedWindow((Window) target);
+        postEvent(wrapInSequenced((AWTEvent) we));
+    }
+
+    // NOTE: This method may be called by privileged threads.
+    //       DO NOT INVOKE CLIENT CODE ON THIS THREAD!
+    public void handleWindowFocusOut(Window oppositeWindow, long serial) {
+        WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_LOST_FOCUS, oppositeWindow);
+        XKeyboardFocusManagerPeer.getInstance().setCurrentFocusedWindow(null);
+        XKeyboardFocusManagerPeer.getInstance().setCurrentFocusOwner(null);
+        /* wrap in Sequenced, then post*/
+        postEvent(wrapInSequenced((AWTEvent) we));
+    }
+    public void handleWindowFocusOutSync(Window oppositeWindow, long serial) {
+        WindowEvent we = new WindowEvent((Window)target, WindowEvent.WINDOW_LOST_FOCUS, oppositeWindow);
+        XKeyboardFocusManagerPeer.getInstance().setCurrentFocusedWindow(null);
+        XKeyboardFocusManagerPeer.getInstance().setCurrentFocusOwner(null);
+        sendEvent(we);
+    }
+
+/* --- DisplayChangedListener Stuff --- */
+
+    /* Xinerama
+     * called to check if we've been moved onto a different screen
+     * Based on checkNewXineramaScreen() in awt_GraphicsEnv.c
+     */
+    public void checkIfOnNewScreen(Rectangle newBounds) {
+        if (!XToolkit.localEnv.runningXinerama()) {
+            return;
+        }
+
+        if (log.isLoggable(PlatformLogger.Level.FINEST)) {
+            log.finest("XWindowPeer: Check if we've been moved to a new screen since we're running in Xinerama mode");
+        }
+
+        int area = newBounds.width * newBounds.height;
+        int intAmt, vertAmt, horizAmt;
+        int largestAmt = 0;
+        int curScreenNum = ((X11GraphicsDevice)getGraphicsConfiguration().getDevice()).getScreen();
+        int newScreenNum = 0;
+        GraphicsDevice gds[] = XToolkit.localEnv.getScreenDevices();
+        GraphicsConfiguration newGC = null;
+        Rectangle screenBounds;
+
+        XToolkit.awtUnlock();
+        try {
+            for (int i = 0; i < gds.length; i++) {
+                screenBounds = gds[i].getDefaultConfiguration().getBounds();
+                if (newBounds.intersects(screenBounds)) {
+                    horizAmt = Math.min(newBounds.x + newBounds.width,
+                                        screenBounds.x + screenBounds.width) -
+                               Math.max(newBounds.x, screenBounds.x);
+                    vertAmt = Math.min(newBounds.y + newBounds.height,
+                                       screenBounds.y + screenBounds.height)-
+                              Math.max(newBounds.y, screenBounds.y);
+                    intAmt = horizAmt * vertAmt;
+                    if (intAmt == area) {
+                        // Completely on this screen - done!
+                        newScreenNum = i;
+                        newGC = gds[i].getDefaultConfiguration();
+                        break;
+                    }
+                    if (intAmt > largestAmt) {
+                        largestAmt = intAmt;
+                        newScreenNum = i;
+                        newGC = gds[i].getDefaultConfiguration();
+                    }
+                }
+            }
+        } finally {
+            XToolkit.awtLock();
+        }
+        if (newScreenNum != curScreenNum) {
+            if (log.isLoggable(PlatformLogger.Level.FINEST)) {
+                log.finest("XWindowPeer: Moved to a new screen");
+            }
+            executeDisplayChangedOnEDT(newGC);
+        }
+    }
+
+    /**
+     * Helper method that executes the displayChanged(screen) method on
+     * the event dispatch thread.  This method is used in the Xinerama case
+     * and after display mode change events.
+     */
+    private void executeDisplayChangedOnEDT(final GraphicsConfiguration gc) {
+        Runnable dc = new Runnable() {
+            public void run() {
+                AWTAccessor.getComponentAccessor().
+                    setGraphicsConfiguration(target, gc);
+            }
+        };
+        SunToolkit.executeOnEventHandlerThread(target, dc);
+    }
+
+    /**
+     * From the DisplayChangedListener interface; called from
+     * X11GraphicsDevice when the display mode has been changed.
+     */
+    public void displayChanged() {
+        executeDisplayChangedOnEDT(getGraphicsConfiguration());
+    }
+
+    /**
+     * From the DisplayChangedListener interface; top-levels do not need
+     * to react to this event.
+     */
+    public void paletteChanged() {
+    }
+
+    private Point queryXLocation()
+    {
+        return XlibUtil.translateCoordinates(getContentWindow(), XlibWrapper
+                                             .RootWindow(XToolkit.getDisplay(),
+                                             getScreenNumber()),
+                                             new Point(0, 0), getScale());
+    }
+
+    protected Point getNewLocation(XConfigureEvent xe, int leftInset, int topInset) {
+        // Bounds of the window
+        Rectangle targetBounds = AWTAccessor.getComponentAccessor().getBounds(target);
+
+        int runningWM = XWM.getWMID();
+        Point newLocation = targetBounds.getLocation();
+        if (xe.get_send_event() || runningWM == XWM.NO_WM || XWM.isNonReparentingWM()) {
+            // Location, Client size + insets
+            newLocation = new Point(scaleDown(xe.get_x()) - leftInset,
+                                    scaleDown(xe.get_y()) - topInset);
+        } else {
+            // ICCCM 4.1.5 states that a real ConfigureNotify will be sent when
+            // a window is resized but the client can not tell if the window was
+            // moved or not. The client should consider the position as unkown
+            // and use TranslateCoordinates to find the actual position.
+            //
+            // TODO this should be the default for every case.
+            switch (runningWM) {
+                case XWM.CDE_WM:
+                case XWM.MOTIF_WM:
+                case XWM.METACITY_WM:
+                case XWM.MUTTER_WM:
+                case XWM.SAWFISH_WM:
+                case XWM.UNITY_COMPIZ_WM:
+                {
+                    Point xlocation = queryXLocation();
+                    if (log.isLoggable(PlatformLogger.Level.FINE)) {
+                        log.fine("New X location: {0}", xlocation);
+                    }
+                    if (xlocation != null) {
+                        newLocation = xlocation;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+        }
+        return newLocation;
+    }
+
+    /*
+     * Overridden to check if we need to update our GraphicsDevice/Config
+     * Added for 4934052.
+     */
+    @Override
+    public void handleConfigureNotifyEvent(XEvent xev) {
+        assert (SunToolkit.isAWTLockHeldByCurrentThread());
+        XConfigureEvent xe = xev.get_xconfigure();
+        if (insLog.isLoggable(PlatformLogger.Level.FINE)) {
+            insLog.fine(xe.toString());
+        }
+        checkIfOnNewScreen(toGlobal(new Rectangle(scaleDown(xe.get_x()),
+                scaleDown(xe.get_y()),
+                scaleDown(xe.get_width()),
+                scaleDown(xe.get_height()))));
+
+        Rectangle oldBounds = getBounds();
+
+        x = scaleDown(xe.get_x());
+        y = scaleDown(xe.get_y());
+        width = scaleDown(xe.get_width());
+        height = scaleDown(xe.get_height());
+
+        if (!getBounds().getSize().equals(oldBounds.getSize())) {
+            AWTAccessor.getComponentAccessor().setSize(target, width, height);
+            postEvent(new ComponentEvent(target, ComponentEvent.COMPONENT_RESIZED));
+        }
+        if (!getBounds().getLocation().equals(oldBounds.getLocation())) {
+            AWTAccessor.getComponentAccessor().setLocation(target, x, y);
+            postEvent(new ComponentEvent(target, ComponentEvent.COMPONENT_MOVED));
+        }
+        repositionSecurityWarning();
+    }
+
+    final void requestXFocus(long time) {
+        requestXFocus(time, true);
+    }
+
+    final void requestXFocus() {
+        requestXFocus(0, false);
+    }
+
+    /**
+     * Requests focus to this top-level. Descendants should override to provide
+     * implementations based on a class of top-level.
+     */
+    protected void requestXFocus(long time, boolean timeProvided) {
+        // Since in XAWT focus is synthetic and all basic Windows are
+        // override_redirect all we can do is check whether our parent
+        // is active. If it is - we can freely synthesize focus transfer.
+        // Luckily, this logic is already implemented in requestWindowFocus.
+        if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
+            focusLog.fine("Requesting window focus");
+        }
+        requestWindowFocus(time, timeProvided);
+    }
+
+    public final boolean focusAllowedFor() {
+        if (isNativelyNonFocusableWindow()) {
+            return false;
+        }
+/*
+        Window target = (Window)this.target;
+        if (!target.isVisible() ||
+            !target.isEnabled() ||
+            !target.isFocusable())
+        {
+            return false;
+        }
+*/
+        if (isModalBlocked()) {
+            return false;
+        }
+        return true;
+    }
+
+    public void handleFocusEvent(XEvent xev) {
+        XFocusChangeEvent xfe = xev.get_xfocus();
+        FocusEvent fe;
+        if (focusLog.isLoggable(PlatformLogger.Level.FINE)) {
+            focusLog.fine("{0}", xfe);
+        }
+        if (isEventDisabled(xev)) {
+            return;
+        }
+        if (xev.get_type() == XConstants.FocusIn)
+        {
+            // If this window is non-focusable don't post any java focus event
+            if (focusAllowedFor()) {
+                if (xfe.get_mode() == XConstants.NotifyNormal // Normal notify
+                    || xfe.get_mode() == XConstants.NotifyWhileGrabbed) // Alt-Tab notify
+                {
+                    handleWindowFocusIn(xfe.get_serial());
+                }
+            }
+        }
+        else
+        {
+            if (xfe.get_mode() == XConstants.NotifyNormal // Normal notify
+                || xfe.get_mode() == XConstants.NotifyWhileGrabbed) // Alt-Tab notify
+            {
+                // If this window is non-focusable don't post any java focus event
+                if (!isNativelyNonFocusableWindow()) {
+                    XWindowPeer oppositeXWindow = getNativeFocusedWindowPeer();
+                    Object oppositeTarget = (oppositeXWindow!=null)? oppositeXWindow.getTarget() : null;
+                    Window oppositeWindow = null;
+                    if (oppositeTarget instanceof Window) {
+                        oppositeWindow = (Window) oppositeTarget;
+                    }
+                    // Check if opposite window is non-focusable. In that case we don't want to
+                    // post any event.
+                    if (oppositeXWindow != null && oppositeXWindow.isNativelyNonFocusableWindow()) {
+                        return;
+                    }
+                    if (this == oppositeXWindow) {
+                        oppositeWindow = null;
+                    } else if (oppositeXWindow instanceof XDecoratedPeer) {
+                        if (((XDecoratedPeer) oppositeXWindow).actualFocusedWindow != null) {
+                            oppositeXWindow = ((XDecoratedPeer) oppositeXWindow).actualFocusedWindow;
+                            oppositeTarget = oppositeXWindow.getTarget();
+                            if (oppositeTarget instanceof Window
+                                && oppositeXWindow.isVisible()
+                                && oppositeXWindow.isNativelyNonFocusableWindow())
+                            {
+                                oppositeWindow = ((Window) oppositeTarget);
+                            }
+                        }
+                    }
+                    handleWindowFocusOut(oppositeWindow, xfe.get_serial());
+                }
+            }
+        }
+    }
+
+    void setSaveUnder(boolean state) {}
+
+    public void toFront() {
+        if (isOverrideRedirect() && mustControlStackPosition) {
+            mustControlStackPosition = false;
+            removeRootPropertyEventDispatcher();
+        }
+        if (isVisible()) {
+            super.toFront();
+            if (isFocusableWindow() && isAutoRequestFocus() &&
+                !isModalBlocked() && !isWithdrawn())
+            {
+                requestInitialFocus();
+            }
+        } else {
+            setVisible(true);
+        }
+    }
+
+    public void toBack() {
+        XToolkit.awtLock();
+        try {
+            if(!isOverrideRedirect()) {
+                XlibWrapper.XLowerWindow(XToolkit.getDisplay(), getWindow());
+            }else{
+                lowerOverrideRedirect();
+            }
+        }
+        finally {
+            XToolkit.awtUnlock();
+        }
+    }
+    private void lowerOverrideRedirect() {
+        //
+        // make new hash of toplevels of all windows from 'windows' hash.
+        // FIXME: do not call them "toplevel" as it is misleading.
+        //
+        HashSet<Long> toplevels = new HashSet<>();
+        long topl = 0, mytopl = 0;
+
+        for (XWindowPeer xp : windows) {
+            topl = getToplevelWindow( xp.getWindow() );
+            if( xp.equals( this ) ) {
+                mytopl = topl;
+            }
+            if( topl > 0 )
+                toplevels.add( Long.valueOf( topl ) );
+        }
+
+        //
+        // find in the root's tree:
+        // (1) my toplevel, (2) lowest java toplevel, (3) desktop
+        // We must enforce (3), (1), (2) order, upward;
+        // note that nautilus on the next restacking will do (1),(3),(2).
+        //
+        long laux,     wDesktop = -1, wBottom = -1;
+        int  iMy = -1, iDesktop = -1, iBottom = -1;
+        int i = 0;
+        XQueryTree xqt = new XQueryTree(XToolkit.getDefaultRootWindow());
+        try {
+            if( xqt.execute() > 0 ) {
+                int nchildren = xqt.get_nchildren();
+                long children = xqt.get_children();
+                for(i = 0; i < nchildren; i++) {
+                    laux = Native.getWindow(children, i);
+                    if( laux == mytopl ) {
+                        iMy = i;
+                    }else if( isDesktopWindow( laux ) ) {
+                        // we need topmost desktop of them all.
+                        iDesktop = i;
+                        wDesktop = laux;
+                    }else if(iBottom < 0 &&
+                             toplevels.contains( Long.valueOf(laux) ) &&
+                             laux != mytopl) {
+                        iBottom = i;
+                        wBottom = laux;
+                    }
+                }
+            }
+
+            if( (iMy < iBottom || iBottom < 0 )&& iDesktop < iMy)
+                return; // no action necessary
+
+            long to_restack = Native.allocateLongArray(2);
+            Native.putLong(to_restack, 0, wBottom);
+            Native.putLong(to_restack, 1,  mytopl);
+            XlibWrapper.XRestackWindows(XToolkit.getDisplay(), to_restack, 2);
+            XlibWrapper.unsafe.freeMemory(to_restack);
+
+
+            if( !mustControlStackPosition ) {
+                mustControlStackPosition = true;
+                // add root window property listener:
+                // somebody (eg nautilus desktop) may obscure us
+                addRootPropertyEventDispatcher();
+            }
+        } finally {
+            xqt.dispose();
+        }
+    }
+    /**
+        Get XID of closest to root window in a given window hierarchy.
+        FIXME: do not call it "toplevel" as it is misleading.
+        On error return 0.
+    */
+    private long getToplevelWindow( long w ) {
+        long wi = w, ret, root;
+        do {
+            ret = wi;
+            XQueryTree qt = new XQueryTree(wi);
+            try {
+                if (qt.execute() == 0) {
+                    return 0;
+                }
+                root = qt.get_root();
+                wi = qt.get_parent();
+            } finally {
+                qt.dispose();
+            }
+
+        } while (wi != root);
+
+        return ret;
+    }
+
+    private static boolean isDesktopWindow( long wi ) {
+        return XWM.getWM().isDesktopWindow( wi );
+    }
+
+    private void updateAlwaysOnTop() {
+        if (log.isLoggable(PlatformLogger.Level.FINE)) {
+            log.fine("Promoting always-on-top state {0}", Boolean.valueOf(alwaysOnTop));
+        }
+        XWM.getWM().setLayer(this,
+                alwaysOnTop ?
+                        XLayerProtocol.LAYER_ALWAYS_ON_TOP :
+                        XLayerProtocol.LAYER_NORMAL);
+    }
+
+    public void updateAlwaysOnTopState() {
+        this.alwaysOnTop = ((Window) this.target).isAlwaysOnTop();
+        if (ownerPeer != null) {
+            XToolkit.awtLock();
+            try {
+                restoreTransientFor(this);
+                applyWindowType();
+            }
+            finally {
+                XToolkit.awtUnlock();
+            }
+        }
+        updateAlwaysOnTop();
+    }
+
+    boolean isLocationByPlatform() {
+        return locationByPlatform;
+    }
+
+    private void promoteDefaultPosition() {
+        this.locationByPlatform = ((Window)target).isLocationByPlatform();
+        if (locationByPlatform) {
+            XToolkit.awtLock();
+            try {
+                Rectangle bounds = getBounds();
+                XSizeHints hints = getHints();
+                setSizeHints(hints.get_flags() & ~(XUtilConstants.USPosition | XUtilConstants.PPosition),
+                             bounds.x, bounds.y, bounds.width, bounds.height);
+            } finally {
+                XToolkit.awtUnlock();
+            }
+        }
+    }
+
+    public void setVisible(boolean vis) {
+        if (!isVisible() && vis) {
+            isBeforeFirstMapNotify = true;
+            winAttr.initialFocus = isAutoRequestFocus();
+            if (!winAttr.initialFocus) {
+                /*
+                 * It's easier and safer to temporary suppress WM_TAKE_FOCUS
+                 * protocol itself than to ignore WM_TAKE_FOCUS client message.
+                 * Because we will have to make the difference between
+                 * the message come after showing and the message come after
+                 * activation. Also, on Metacity, for some reason, we have _two_
+                 * WM_TAKE_FOCUS client messages when showing a frame/dialog.
+                 */
+                suppressWmTakeFocus(true);
+            }
+        }
+        updateFocusability();
+        promoteDefaultPosition();
+        if (!vis && warningWindow != null) {
+            warningWindow.setSecurityWarningVisible(false, false);
+        }
+        boolean refreshChildsTransientFor = isVisible() != vis;
+        super.setVisible(vis);
+        if (refreshChildsTransientFor) {
+            for (Window child : ((Window) target).getOwnedWindows()) {
+                XToolkit.awtLock();
+                try {
+                    if(!child.isLightweight() && child.isVisible()) {
+                        ComponentPeer childPeer = AWTAccessor.
+                                getComponentAccessor().getPeer(child);
+                        if(childPeer instanceof XWindowPeer) {
+                            XWindowPeer windowPeer = (XWindowPeer) childPeer;
+                            restoreTransientFor(windowPeer);
+                            windowPeer.applyWindowType();
+                        }
+                    }
+                }
+                finally {
+                    XToolkit.awtUnlock();
+                }
+            }
+        }
+        if (!vis && !isWithdrawn()) {
+            // ICCCM, 4.1.4. Changing Window State:
+            // "Iconic -> Withdrawn - The client should unmap the window and follow it
+            // with a synthetic UnmapNotify event as described later in this section."
+            // The same is true for Normal -> Withdrawn
+            XToolkit.awtLock();
+            try {
+                XUnmapEvent unmap = new XUnmapEvent();
+                unmap.set_window(window);
+                unmap.set_event(XToolkit.getDefaultRootWindow());
+                unmap.set_type(XConstants.UnmapNotify);
+                unmap.set_from_configure(false);
+                XlibWrapper.XSendEvent(XToolkit.getDisplay(), XToolkit.getDefaultRootWindow(),
+                        false, XConstants.SubstructureNotifyMask | XConstants.SubstructureRedirectMask,
+                        unmap.pData);
+                unmap.dispose();
+            }
+            finally {
+                XToolkit.awtUnlock();
+            }
+        }
+        // method called somewhere in parent does not generate configure-notify
+        // event for override-redirect.
+        // Ergo, no reshape and bugs like 5085647 in case setBounds was
+        // called before setVisible.
+        if (isOverrideRedirect() && vis) {
+            updateChildrenSizes();
+        }
+        repositionSecurityWarning();
+    }
+
+    protected void suppressWmTakeFocus(boolean doSuppress) {
+    }
+
+    final boolean isSimpleWindow() {
+        return !(target instanceof Frame || target instanceof Dialog);
+    }
+    boolean hasWarningWindow() {
+        return ((Window)target).getWarningString() != null;
+    }
+
+    // The height of menu bar window
+    int getMenuBarHeight() {
+        return 0;
+    }
+
+    // Called when shell changes its size and requires children windows
+    // to update their sizes appropriately
+    void updateChildrenSizes() {
+    }
+
+    public void repositionSecurityWarning() {
+        // NOTE: On KWin if the window/border snapping option is enabled,
+        // the Java window may be swinging while it's being moved.
+        // This doesn't make the application unusable though looks quite ugly.
+        // Probobly we need to find some hint to assign to our Security
+        // Warning window in order to exclude it from the snapping option.
+        // We are not currently aware of existance of such a property.
+        if (warningWindow != null) {
+            // We can't use the coordinates stored in the XBaseWindow since
+            // they are zeros for decorated frames.
+            ComponentAccessor compAccessor = AWTAccessor.getComponentAccessor();
+            int x = compAccessor.getX(target);
+            int y = compAccessor.getY(target);
+            int width = compAccessor.getWidth(target);
+            int height = compAccessor.getHeight(target);
+            warningWindow.reposition(x, y, width, height);
+        }
+    }
+
+    @Override
+    protected void setMouseAbove(boolean above) {
+        super.setMouseAbove(above);
+        updateSecurityWarningVisibility();
+    }
+
+    @Override
+    public void setFullScreenExclusiveModeState(boolean state) {
+        super.setFullScreenExclusiveModeState(state);
+        updateSecurityWarningVisibility();
+    }
+
+    public void updateSecurityWarningVisibility() {
+        if (warningWindow == null) {
+            return;
+        }
+
+        if (!isVisible()) {
+            return; // The warning window should already be hidden.
+        }
+
+        boolean show = false;
+
+        if (!isFullScreenExclusiveMode()) {
+            int state = getWMState();
+
+            // getWMState() always returns 0 (Withdrawn) for simple windows. Hence
+            // we ignore the state for such windows.
+            if (isVisible() && (state == XUtilConstants.NormalState || isSimpleWindow())) {
+                if (XKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow() ==
+                        getTarget())
+                {
+                    show = true;
+                }
+
+                if (isMouseAbove() || warningWindow.isMouseAbove())
+                {
+                    show = true;
+                }
+            }
+        }
+
+        warningWindow.setSecurityWarningVisible(show, true);
+    }
+
+    boolean isOverrideRedirect() {
+        return XWM.getWMID() == XWM.OPENLOOK_WM ||
+            Window.Type.POPUP.equals(getWindowType());
+    }
+
+    final boolean isOLWMDecorBug() {
+        return XWM.getWMID() == XWM.OPENLOOK_WM &&
+            winAttr.nativeDecor == false;
+    }
+
+    public void dispose() {
+        if (isGrabbed()) {
+            if (grabLog.isLoggable(PlatformLogger.Level.FINE)) {
+                grabLog.fine("Generating UngrabEvent on {0} because of the window disposal", this);
+            }
+            postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
+        }
+
+        SunToolkit.awtLock();
+
+        try {
+            windows.remove(this);
+        } finally {
+            SunToolkit.awtUnlock();
+        }
+
+        if (warningWindow != null) {
+            warningWindow.destroy();
+        }
+
+        removeRootPropertyEventDispatcher();
+        mustControlStackPosition = false;
+        super.dispose();
+
+        /*
+         * Fix for 6457980.
+         * When disposing an owned Window we should implicitly
+         * return focus to its decorated owner because it won't
+         * receive WM_TAKE_FOCUS.
+         */
+        if (isSimpleWindow()) {
+            if (target == XKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow()) {
+                Window owner = getDecoratedOwner((Window)target);
+                ((XWindowPeer)AWTAccessor.getComponentAccessor().getPeer(owner)).requestWindowFocus();
+            }
+        }
+    }
+
+    boolean isResizable() {
+        return winAttr.isResizable;
+    }
+
+    public void handleVisibilityEvent(XEvent xev) {
+        super.handleVisibilityEvent(xev);
+        XVisibilityEvent ve = xev.get_xvisibility();
+        winAttr.visibilityState = ve.get_state();
+//         if (ve.get_state() == XlibWrapper.VisibilityUnobscured) {
+//             // raiseInputMethodWindow
+//         }
+        repositionSecurityWarning();
+    }
+
+    void handleRootPropertyNotify(XEvent xev) {
+        XPropertyEvent ev = xev.get_xproperty();
+        if( mustControlStackPosition &&
+            ev.get_atom() == XAtom.get("_NET_CLIENT_LIST_STACKING").getAtom()){
+            // Restore stack order unhadled/spoiled by WM or some app (nautilus).
+            // As of now, don't use any generic machinery: just
+            // do toBack() again.
+            if(isOverrideRedirect()) {
+                toBack();
+            }
+        }
+    }
+
+    private void removeStartupNotification() {
+        if (isStartupNotificationRemoved.getAndSet(true)) {
+            return;
+        }
+
+        final String desktopStartupId = AccessController.doPrivileged(new PrivilegedAction<String>() {
+            public String run() {
+                return XToolkit.getEnv("DESKTOP_STARTUP_ID");
+            }
+        });
+        if (desktopStartupId == null) {
+            return;
+        }
+
+        final StringBuilder messageBuilder = new StringBuilder("remove: ID=");
+        messageBuilder.append('"');
+        for (int i = 0; i < desktopStartupId.length(); i++) {
+            if (desktopStartupId.charAt(i) == '"' || desktopStartupId.charAt(i) == '\\') {
+                messageBuilder.append('\\');
+            }
+            messageBuilder.append(desktopStartupId.charAt(i));
+        }
+        messageBuilder.append('"');
+        messageBuilder.append('\0');
+        final byte[] message;
+        try {
+            message = messageBuilder.toString().getBytes("UTF-8");
+        } catch (UnsupportedEncodingException cannotHappen) {
+            return;
+        }
+
+        XClientMessageEvent req = null;
+
+        XToolkit.awtLock();
+        try {
+            final XAtom netStartupInfoBeginAtom = XAtom.get("_NET_STARTUP_INFO_BEGIN");
+            final XAtom netStartupInfoAtom = XAtom.get("_NET_STARTUP_INFO");
+
+            req = new XClientMessageEvent();
+            req.set_type(XConstants.ClientMessage);
+            req.set_window(getWindow());
+            req.set_message_type(netStartupInfoBeginAtom.getAtom());
+            req.set_format(8);
+
+            for (int pos = 0; pos < message.length; pos += 20) {
+                final int msglen = Math.min(message.length - pos, 20);
+                int i = 0;
+                for (; i < msglen; i++) {
+                    XlibWrapper.unsafe.putByte(req.get_data() + i, message[pos + i]);
+                }
+                for (; i < 20; i++) {
+                    XlibWrapper.unsafe.putByte(req.get_data() + i, (byte)0);
+                }
+                XlibWrapper.XSendEvent(XToolkit.getDisplay(),
+                    XlibWrapper.RootWindow(XToolkit.getDisplay(), getScreenNumber()),
+                    false,
+                    XConstants.PropertyChangeMask,
+                    req.pData);
+                req.set_message_type(netStartupInfoAtom.getAtom());
+            }
+        } finally {
+            XToolkit.awtUnlock();
+            if (req != null) {
+                req.dispose();
+            }
+        }
+    }
+
+    public void handleMapNotifyEvent(XEvent xev) {
+        removeStartupNotification();
+
+        // See 6480534.
+        isUnhiding |= isWMStateNetHidden();
+
+        super.handleMapNotifyEvent(xev);
+        if (!winAttr.initialFocus) {
+            suppressWmTakeFocus(false); // restore the protocol.
+            /*
+             * For some reason, on Metacity, a frame/dialog being shown
+             * without WM_TAKE_FOCUS protocol doesn't get moved to the front.
+             * So, we do it evidently.
+             */
+            XToolkit.awtLock();
+            try {
+                XlibWrapper.XRaiseWindow(XToolkit.getDisplay(), getWindow());
+            } finally {
+                XToolkit.awtUnlock();
+            }
+        }
+        if (shouldFocusOnMapNotify()) {
+            focusLog.fine("Automatically request focus on window");
+            requestInitialFocus();
+        }
+        isUnhiding = false;
+        isBeforeFirstMapNotify = false;
+        updateAlwaysOnTop();
+
+        synchronized (getStateLock()) {
+            if (!isMapped) {
+                isMapped = true;
+            }
+        }
+    }
+
+    public void handleUnmapNotifyEvent(XEvent xev) {
+        super.handleUnmapNotifyEvent(xev);
+
+        // On Metacity UnmapNotify comes before PropertyNotify (for _NET_WM_STATE_HIDDEN).
+        // So we also check for the property later in MapNotify. See 6480534.
+        isUnhiding |= isWMStateNetHidden();
+
+        synchronized (getStateLock()) {
+            if (isMapped) {
+                isMapped = false;
+            }
+        }
+    }
+
+    private boolean shouldFocusOnMapNotify() {
+        boolean res = false;
+
+        if (isBeforeFirstMapNotify) {
+            res = (winAttr.initialFocus ||          // Window.autoRequestFocus
+                   isFocusedWindowModalBlocker());
+        } else {
+            res = isUnhiding;                       // Unhiding
+        }
+        res = res &&
+            isFocusableWindow() &&                  // General focusability
+            !isModalBlocked();                      // Modality
+
+        return res;
+    }
+
+    protected boolean isWMStateNetHidden() {
+        XNETProtocol protocol = XWM.getWM().getNETProtocol();
+        return (protocol != null && protocol.isWMStateNetHidden(this));
+    }
+
+    protected void requestInitialFocus() {
+        requestXFocus();
+    }
+
+    public void addToplevelStateListener(ToplevelStateListener l){
+        toplevelStateListeners.add(l);
+    }
+
+    public void removeToplevelStateListener(ToplevelStateListener l){
+        toplevelStateListeners.remove(l);
+    }
+
+    /**
+     * Override this methods to get notifications when top-level window state changes. The state is
+     * meant in terms of ICCCM: WithdrawnState, IconicState, NormalState
+     */
+    @Override
+    protected void stateChanged(long time, int oldState, int newState) {
+        // Fix for 6401700, 6412803
+        // If this window is modal blocked, it is put into the transient_for
+        // chain using prevTransientFor and nextTransientFor hints. However,
+        // the real WM_TRANSIENT_FOR hint shouldn't be set for windows in
+        // different WM states (except for owner-window relationship), so
+        // if the window changes its state, its real WM_TRANSIENT_FOR hint
+        // should be updated accordingly.
+        updateTransientFor();
+
+        for (ToplevelStateListener topLevelListenerTmp : toplevelStateListeners) {
+            topLevelListenerTmp.stateChangedICCCM(oldState, newState);
+        }
+
+        updateSecurityWarningVisibility();
+    }
+
+    boolean isWithdrawn() {
+        return getWMState() == XUtilConstants.WithdrawnState;
+    }
+
+    boolean hasDecorations(int decor) {
+        if (!winAttr.nativeDecor) {
+            return false;
+        }
+        else {
+            int myDecor = winAttr.decorations;
+            boolean hasBits = ((myDecor & decor) == decor);
+            if ((myDecor & XWindowAttributesData.AWT_DECOR_ALL) != 0)
+                return !hasBits;
+            else
+                return hasBits;
+        }
+    }
+
+    void setReparented(boolean newValue) {
+        super.setReparented(newValue);
+        XToolkit.awtLock();
+        try {
+            if (isReparented() && delayedModalBlocking) {
+                addToTransientFors(AWTAccessor.getComponentAccessor().getPeer(modalBlocker));
+                delayedModalBlocking = false;
+            }
+        } finally {
+            XToolkit.awtUnlock();
+        }
+    }
+
+    /*
+     * Returns a Vector of all Java top-level windows,
+     * sorted by their current Z-order
+     */
+    static Vector<XWindowPeer> collectJavaToplevels() {
+        Vector<XWindowPeer> javaToplevels = new Vector<XWindowPeer>();
+        Vector<Long> v = new Vector<Long>();
+        X11GraphicsEnvironment ge =
+            (X11GraphicsEnvironment)GraphicsEnvironment.getLocalGraphicsEnvironment();
+        GraphicsDevice[] gds = ge.getScreenDevices();
+        if (!ge.runningXinerama() && (gds.length > 1)) {
+            for (GraphicsDevice gd : gds) {
+                int screen = ((X11GraphicsDevice)gd).getScreen();
+                long rootWindow = XlibWrapper.RootWindow(XToolkit.getDisplay(), screen);
+                v.add(rootWindow);
+            }
+        } else {
+            v.add(XToolkit.getDefaultRootWindow());
+        }
+        final int windowsCount = windows.size();
+        while ((v.size() > 0) && (javaToplevels.size() < windowsCount)) {
+            long win = v.remove(0);
+            XQueryTree qt = new XQueryTree(win);
+            try {
+                if (qt.execute() != 0) {
+                    int nchildren = qt.get_nchildren();
+                    long children = qt.get_children();
+                    // XQueryTree returns window children ordered by z-order
+                    for (int i = 0; i < nchildren; i++) {
+                        long child = Native.getWindow(children, i);
+                        XBaseWindow childWindow = XToolkit.windowToXWindow(child);
+                        // filter out Java non-toplevels
+                        if ((childWindow != null) && !(childWindow instanceof XWindowPeer)) {
+                            continue;
+                        } else {
+                            v.add(child);
+                        }
+                        if (childWindow instanceof XWindowPeer) {
+                            XWindowPeer np = (XWindowPeer)childWindow;
+                            javaToplevels.add(np);
+                            // XQueryTree returns windows sorted by their z-order. However,
+                            // if WM has not handled transient for hint for a child window,
+                            // it may appear in javaToplevels before its owner. Move such
+                            // children after their owners.
+                            int k = 0;
+                            XWindowPeer toCheck = javaToplevels.get(k);
+                            while (toCheck != np) {
+                                XWindowPeer toCheckOwnerPeer = toCheck.getOwnerPeer();
+                                if (toCheckOwnerPeer == np) {
+                                    javaToplevels.remove(k);
+                                    javaToplevels.add(toCheck);
+                                } else {
+                                    k++;
+                                }
+                                toCheck = javaToplevels.get(k);
+                            }
+                        }
+                    }
+                }
+            } finally {
+                qt.dispose();
+            }
+        }
+        return javaToplevels;
+    }
+
+    public void setModalBlocked(Dialog d, boolean blocked) {
+        setModalBlocked(d, blocked, null);
+    }
+    public void setModalBlocked(Dialog d, boolean blocked,
+                                Vector<XWindowPeer> javaToplevels)
+    {
+        XToolkit.awtLock();
+        try {
+            // State lock should always be after awtLock
+            synchronized(getStateLock()) {
+                XDialogPeer blockerPeer = AWTAccessor.getComponentAccessor().getPeer(d);
+                if (blocked) {
+                    if (log.isLoggable(PlatformLogger.Level.FINE)) {
+                        log.fine("{0} is blocked by {1}", this, blockerPeer);
+                    }
+                    modalBlocker = d;
+
+                    if (isReparented() || XWM.isNonReparentingWM()) {
+                        addToTransientFors(blockerPeer, javaToplevels);
+                    } else {
+                        delayedModalBlocking = true;
+                    }
+                } else {
+                    if (d != modalBlocker) {
+                        throw new IllegalStateException("Trying to unblock window blocked by another dialog");
+                    }
+                    modalBlocker = null;
+
+                    if (isReparented() || XWM.isNonReparentingWM()) {
+                        removeFromTransientFors();
+                    } else {
+                        delayedModalBlocking = false;
+                    }
+                }
+
+                updateTransientFor();
+            }
+        } finally {
+            XToolkit.awtUnlock();
+        }
+    }
+
+    /*
+     * Sets the TRANSIENT_FOR hint to the given top-level window. This
+     *  method is used when a window is modal blocked/unblocked or
+     *  changed its state from/to NormalState to/from other states.
+     * If window or transientForWindow are embedded frames, the containing
+     *  top-level windows are used.
+     *
+     * @param window specifies the top-level window that the hint
+     *  is to be set to
+     * @param transientForWindow the top-level window
+     * @param updateChain specifies if next/prevTransientFor fields are
+     *  to be updated
+     * @param allStates if set to {@code true} then TRANSIENT_FOR hint
+     *  is set regardless of the state of window and transientForWindow,
+     *  otherwise it is set only if both are in the same state
+     */
+    static void setToplevelTransientFor(XWindowPeer window, XWindowPeer transientForWindow,
+                                                boolean updateChain, boolean allStates)
+    {
+        if ((window == null) || (transientForWindow == null)) {
+            return;
+        }
+        if (updateChain) {
+            window.prevTransientFor = transientForWindow;
+            transientForWindow.nextTransientFor = window;
+        }
+        if (!allStates && (window.getWMState() != transientForWindow.getWMState())) {
+            return;
+        }
+        if (window.getScreenNumber() != transientForWindow.getScreenNumber()) {
+            return;
+        }
+        long bpw = window.getWindow();
+        while (!XlibUtil.isToplevelWindow(bpw) && !XlibUtil.isXAWTToplevelWindow(bpw)) {
+            bpw = XlibUtil.getParentWindow(bpw);
+        }
+        long tpw = transientForWindow.getWindow();
+        XBaseWindow parent = transientForWindow;
+        while (tpw != 0 && ((!XlibUtil.isToplevelWindow(tpw) &&
+                !XlibUtil.isXAWTToplevelWindow(tpw)) || !parent.isVisible())) {
+            tpw = XlibUtil.getParentWindow(tpw);
+            parent = XToolkit.windowToXWindow(tpw);
+        }
+        XlibWrapper.XSetTransientFor(XToolkit.getDisplay(), bpw, tpw);
+        window.curRealTransientFor = parent;
+    }
+
+    /*
+     * This method does nothing if this window is not blocked by any modal dialog.
+     * For modal blocked windows this method looks up for the nearest
+     *  prevTransiendFor window that is in the same state (Normal/Iconified/Withdrawn)
+     *  as this one and makes this window transient for it. The same operation is
+     *  performed for nextTransientFor window.
+     * Values of prevTransientFor and nextTransientFor fields are not changed.
+     */
+    void updateTransientFor() {
+        int state = getWMState();
+        XWindowPeer p = prevTransientFor;
+        while ((p != null) && ((p.getWMState() != state) || (p.getScreenNumber() != getScreenNumber()))) {
+            p = p.prevTransientFor;
+        }
+        if (p != null) {
+            setToplevelTransientFor(this, p, false, false);
+        } else {
+            restoreTransientFor(this);
+        }
+        XWindowPeer n = nextTransientFor;
+        while ((n != null) && ((n.getWMState() != state) || (n.getScreenNumber() != getScreenNumber()))) {
+            n = n.nextTransientFor;
+        }
+        if (n != null) {
+            setToplevelTransientFor(n, this, false, false);
+        }
+    }
+
+    /*
+     * Removes the TRANSIENT_FOR hint from the given top-level window.
+     * If window or transientForWindow are embedded frames, the containing
+     *  top-level windows are used.
+     *
+     * @param window specifies the top-level window that the hint
+     *  is to be removed from
+     */
+    private static void removeTransientForHint(XWindowPeer window) {
+        XAtom XA_WM_TRANSIENT_FOR = XAtom.get(XAtom.XA_WM_TRANSIENT_FOR);
+        long bpw = window.getWindow();
+        while (!XlibUtil.isToplevelWindow(bpw) && !XlibUtil.isXAWTToplevelWindow(bpw)) {
+            bpw = XlibUtil.getParentWindow(bpw);
+        }
+        XlibWrapper.XDeleteProperty(XToolkit.getDisplay(), bpw, XA_WM_TRANSIENT_FOR.getAtom());
+        window.curRealTransientFor = null;
+    }
+
+    /*
+     * When a modal dialog is shown, all its blocked windows are lined up into
+     *  a chain in such a way that each window is a transient_for window for
+     *  the next one. That allows us to keep the modal dialog above all its
+     *  blocked windows (even if there are some another modal dialogs between
+     *  them).
+     * This method adds this top-level window to the chain of the given modal
+     *  dialog. To keep the current relative z-order, we should use the
+     *  XQueryTree to find the place to insert this window to. As each window
+     *  can be blocked by only one modal dialog (such checks are performed in
+     *  shared code), both this and blockerPeer are on the top of their chains
+     *  (chains may be empty).
+     * If this window is a modal dialog and has its own chain, these chains are
+     *  merged according to the current z-order (XQueryTree is used again).
+     *  Below are some simple examples (z-order is from left to right, -- is
+     *  modal blocking).
+     *
+     * Example 0:
+     *     T (current chain of this, no windows are blocked by this)
+     *  W1---B (current chain of blockerPeer, W2 is blocked by blockerPeer)
+     *  Result is:
+     *  W1-T-B (merged chain, all the windows are blocked by blockerPeer)
+     *
+     * Example 1:
+     *  W1-T (current chain of this, W1 is blocked by this)
+     *       W2-B (current chain of blockerPeer, W2 is blocked by blockerPeer)
+     *  Result is:
+     *  W1-T-W2-B (merged chain, all the windows are blocked by blockerPeer)
+     *
+     * Example 2:
+     *  W1----T (current chain of this, W1 is blocked by this)
+     *     W2---B (current chain of blockerPeer, W2 is blocked by blockerPeer)
+     *  Result is:
+     *  W1-W2-T-B (merged chain, all the windows are blocked by blockerPeer)
+     *
+     * This method should be called under the AWT lock.
+     *
+     * @see #removeFromTransientFors
+     * @see #setModalBlocked
+     */
+    private void addToTransientFors(XDialogPeer blockerPeer) {
+        addToTransientFors(blockerPeer, null);
+    }
+
+    private void addToTransientFors(XDialogPeer blockerPeer, Vector<XWindowPeer> javaToplevels)
+    {
+        // blockerPeer chain iterator
+        XWindowPeer blockerChain = blockerPeer;
+        while (blockerChain.prevTransientFor != null) {
+            blockerChain = blockerChain.prevTransientFor;
+        }
+        // this window chain iterator
+        // each window can be blocked no more than once, so this window
+        //   is on top of its chain
+        XWindowPeer thisChain = this;
+        while (thisChain.prevTransientFor != null) {
+            thisChain = thisChain.prevTransientFor;
+        }
+        // if there are no windows blocked by modalBlocker, simply add this window
+        //  and its chain to blocker's chain
+        if (blockerChain == blockerPeer) {
+            setToplevelTransientFor(blockerPeer, this, true, false);
+        } else {
+            // Collect all the Java top-levels, if required
+            if (javaToplevels == null) {
+                javaToplevels = collectJavaToplevels();
+            }
+            // merged chain tail
+            XWindowPeer mergedChain = null;
+            for (XWindowPeer w : javaToplevels) {
+                XWindowPeer prevMergedChain = mergedChain;
+                if (w == thisChain) {
+                    if (thisChain == this) {
+                        if (prevMergedChain != null) {
+                            setToplevelTransientFor(this, prevMergedChain, true, false);
+                        }
+                        setToplevelTransientFor(blockerChain, this, true, false);
+                        break;
+                    } else {
+                        mergedChain = thisChain;
+                        thisChain = thisChain.nextTransientFor;
+                    }
+                } else if (w == blockerChain) {
+                    mergedChain = blockerChain;
+                    blockerChain = blockerChain.nextTransientFor;
+                } else {
+                    continue;
+                }
+                if (prevMergedChain == null) {
+                    mergedChain.prevTransientFor = null;
+                } else {
+                    setToplevelTransientFor(mergedChain, prevMergedChain, true, false);
+                    mergedChain.updateTransientFor();
+                }
+                if (blockerChain == blockerPeer) {
+                    setToplevelTransientFor(thisChain, mergedChain, true, false);
+                    setToplevelTransientFor(blockerChain, this, true, false);
+                    break;
+                }
+            }
+        }
+
+        XToolkit.XSync();
+    }
+
+    static void restoreTransientFor(XWindowPeer window) {
+        XWindowPeer ownerPeer = window.getOwnerPeer();
+        if (ownerPeer != null) {
+            setToplevelTransientFor(window, ownerPeer, false, true);
+        } else {
+            removeTransientForHint(window);
+        }
+    }
+
+    /*
+     * When a window is modally unblocked, it should be removed from its blocker
+     *  chain, see {@link #addToTransientFor addToTransientFors} method for the
+     *  chain definition.
+     * The problem is that we cannot simply restore window's original
+     *  TRANSIENT_FOR hint (if any) and link prevTransientFor and
+     *  nextTransientFor together as the whole chain could be created as a merge
+     *  of two other chains in addToTransientFors. In that case, if this window is
+     *  a modal dialog, it would lost all its own chain, if we simply exclude it
+     *  from the chain.
+     * The correct behaviour of this method should be to split the chain, this
+     *  window is currently in, into two chains. First chain is this window own
+     *  chain (i. e. all the windows blocked by this one, directly or indirectly),
+     *  if any, and the rest windows from the current chain.
+     *
+     * Example:
+     *  Original state:
+     *   W1-B1 (window W1 is blocked by B1)
+     *   W2-B2 (window W2 is blocked by B2)
+     *  B3 is shown and blocks B1 and B2:
+     *   W1-W2-B1-B2-B3 (a single chain after B1.addToTransientFors() and B2.addToTransientFors())
+     *  If we then unblock B1, the state should be:
+     *   W1-B1 (window W1 is blocked by B1)
+     *   W2-B2-B3 (window W2 is blocked by B2 and B2 is blocked by B3)
+     *
+     * This method should be called under the AWT lock.
+     *
+     * @see #addToTransientFors
+     * @see #setModalBlocked
+     */
+    private void removeFromTransientFors() {
+        // the head of the chain of this window
+        XWindowPeer thisChain = this;
+        // the head of the current chain
+        // nextTransientFor is always not null as this window is in the chain
+        XWindowPeer otherChain = nextTransientFor;
+        // the set of blockers in this chain: if this dialog blocks some other
+        // modal dialogs, their blocked windows should stay in this dialog's chain
+        Set<XWindowPeer> thisChainBlockers = new HashSet<XWindowPeer>();
+        thisChainBlockers.add(this);
+        // current chain iterator in the order from next to prev
+        XWindowPeer chainToSplit = prevTransientFor;
+        while (chainToSplit != null) {
+            XWindowPeer blocker = AWTAccessor.getComponentAccessor().getPeer(chainToSplit.modalBlocker);
+            if (thisChainBlockers.contains(blocker)) {
+                // add to this dialog's chain
+                setToplevelTransientFor(thisChain, chainToSplit, true, false);
+                thisChain = chainToSplit;
+                thisChainBlockers.add(chainToSplit);
+            } else {
+                // leave in the current chain
+                setToplevelTransientFor(otherChain, chainToSplit, true, false);
+                otherChain = chainToSplit;
+            }
+            chainToSplit = chainToSplit.prevTransientFor;
+        }
+        restoreTransientFor(thisChain);
+        thisChain.prevTransientFor = null;
+        restoreTransientFor(otherChain);
+        otherChain.prevTransientFor = null;
+        nextTransientFor = null;
+
+        XToolkit.XSync();
+    }
+
+    boolean isModalBlocked() {
+        return modalBlocker != null;
+    }
+
+    static Window getDecoratedOwner(Window window) {
+        while ((null != window) && !(window instanceof Frame || window instanceof Dialog)) {
+            window = (Window) AWTAccessor.getComponentAccessor().getParent(window);
+        }
+        return window;
+    }
+
+    public boolean requestWindowFocus(XWindowPeer actualFocusedWindow) {
+        setActualFocusedWindow(actualFocusedWindow);
+        return requestWindowFocus();
+    }
+
+    public boolean requestWindowFocus() {
+        return requestWindowFocus(0, false);
+    }
+
+    public boolean requestWindowFocus(long time, boolean timeProvided) {
+        focusLog.fine("Request for window focus");
+        // If this is Frame or Dialog we can't assure focus request success - but we still can try
+        // If this is Window and its owner Frame is active we can be sure request succedded.
+        Window ownerWindow  = XWindowPeer.getDecoratedOwner((Window)target);
+        Window focusedWindow = XKeyboardFocusManagerPeer.getInstance().getCurrentFocusedWindow();
+        Window activeWindow = XWindowPeer.getDecoratedOwner(focusedWindow);
+
+        if (isWMStateNetHidden()) {
+            focusLog.fine("The window is unmapped, so rejecting the request");
+            return false;
+        }
+        if (activeWindow == ownerWindow) {
+            focusLog.fine("Parent window is active - generating focus for this window");
+            handleWindowFocusInSync(-1);
+            return true;
+        }
+        focusLog.fine("Parent window is not active");
+
+        XDecoratedPeer wpeer = AWTAccessor.getComponentAccessor().getPeer(ownerWindow);
+        if (wpeer != null && wpeer.requestWindowFocus(this, time, timeProvided)) {
+            focusLog.fine("Parent window accepted focus request - generating focus for this window");
+            return true;
+        }
+        focusLog.fine("Denied - parent window is not active and didn't accept focus request");
+        return false;
+    }
+
+    // This method is to be overriden in XDecoratedPeer.
+    void setActualFocusedWindow(XWindowPeer actualFocusedWindow) {
+    }
+
+    /**
+     * Applies the current window type.
+     */
+    private void applyWindowType() {
+        XNETProtocol protocol = XWM.getWM().getNETProtocol();
+        if (protocol == null) {
+            return;
+        }
+
+        XAtom typeAtom = null;
+
+        switch (getWindowType())
+        {
+            case NORMAL:
+                typeAtom = curRealTransientFor == null ?
+                               protocol.XA_NET_WM_WINDOW_TYPE_NORMAL :
+                               protocol.XA_NET_WM_WINDOW_TYPE_DIALOG;
+                break;
+            case UTILITY:
+                typeAtom = protocol.XA_NET_WM_WINDOW_TYPE_UTILITY;
+                break;
+            case POPUP:
+                typeAtom = protocol.XA_NET_WM_WINDOW_TYPE_POPUP_MENU;
+                break;
+        }
+
+        if (typeAtom != null) {
+            XAtomList wtype = new XAtomList();
+            wtype.add(typeAtom);
+            protocol.XA_NET_WM_WINDOW_TYPE.
+                setAtomListProperty(getWindow(), wtype);
+        } else {
+            protocol.XA_NET_WM_WINDOW_TYPE.
+                DeleteProperty(getWindow());
+        }
+    }
+
+    @Override
+    public void xSetVisible(boolean visible) {
+        if (log.isLoggable(PlatformLogger.Level.FINE)) {
+            log.fine("Setting visible on " + this + " to " + visible);
+        }
+        XToolkit.awtLock();
+        try {
+            this.visible = visible;
+            if (visible) {
+                applyWindowType();
+                XlibWrapper.XMapRaised(XToolkit.getDisplay(), getWindow());
+            } else {
+                XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), getWindow());
+            }
+            XlibWrapper.XFlush(XToolkit.getDisplay());
+        }
+        finally {
+            XToolkit.awtUnlock();
+        }
+    }
+
+    // should be synchronized on awtLock
+    private int dropTargetCount = 0;
+
+    public void addDropTarget() {
+        XToolkit.awtLock();
+        try {
+            if (dropTargetCount == 0) {
+                long window = getWindow();
+                if (window != 0) {
+                    XDropTargetRegistry.getRegistry().registerDropSite(window);
+                }
+            }
+            dropTargetCount++;
+        } finally {
+            XToolkit.awtUnlock();
+        }
+    }
+
+    public void removeDropTarget() {
+        XToolkit.awtLock();
+        try {
+            dropTargetCount--;
+            if (dropTargetCount == 0) {
+                long window = getWindow();
+                if (window != 0) {
+                    XDropTargetRegistry.getRegistry().unregisterDropSite(window);
+                }
+            }
+        } finally {
+            XToolkit.awtUnlock();
+        }
+    }
+    void addRootPropertyEventDispatcher() {
+        if( rootPropertyEventDispatcher == null ) {
+            rootPropertyEventDispatcher = new XEventDispatcher() {
+                public void dispatchEvent(XEvent ev) {
+                    if( ev.get_type() == XConstants.PropertyNotify ) {
+                        handleRootPropertyNotify( ev );
+                    }
+                }
+            };
+            XlibWrapper.XSelectInput( XToolkit.getDisplay(),
+                                      XToolkit.getDefaultRootWindow(),
+                                      XConstants.PropertyChangeMask);
+            XToolkit.addEventDispatcher(XToolkit.getDefaultRootWindow(),
+                                                rootPropertyEventDispatcher);
+        }
+    }
+    void removeRootPropertyEventDispatcher() {
+        if( rootPropertyEventDispatcher != null ) {
+            XToolkit.removeEventDispatcher(XToolkit.getDefaultRootWindow(),
+                                                rootPropertyEventDispatcher);
+            rootPropertyEventDispatcher = null;
+        }
+    }
+    public void updateFocusableWindowState() {
+        cachedFocusableWindow = isFocusableWindow();
+    }
+
+    XAtom XA_NET_WM_STATE;
+    XAtomList net_wm_state;
+    public XAtomList getNETWMState() {
+        if (net_wm_state == null) {
+            net_wm_state = XA_NET_WM_STATE.getAtomListPropertyList(this);
+        }
+        return net_wm_state;
+    }
+
+    public void setNETWMState(XAtomList state) {
+        net_wm_state = state;
+        if (state != null) {
+            XA_NET_WM_STATE.setAtomListProperty(this, state);
+        }
+    }
+
+    public PropMwmHints getMWMHints() {
+        if (mwm_hints == null) {
+            mwm_hints = new PropMwmHints();
+            if (!XWM.XA_MWM_HINTS.getAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS)) {
+                mwm_hints.zero();
+            }
+        }
+        return mwm_hints;
+    }
+
+    public void setMWMHints(PropMwmHints hints) {
+        mwm_hints = hints;
+        if (hints != null) {
+            XWM.XA_MWM_HINTS.setAtomData(getWindow(), mwm_hints.pData, MWMConstants.PROP_MWM_HINTS_ELEMENTS);
+        }
+    }
+
+    protected void updateDropTarget() {
+        XToolkit.awtLock();
+        try {
+            if (dropTargetCount > 0) {
+                long window = getWindow();
+                if (window != 0) {
+                    XDropTargetRegistry.getRegistry().unregisterDropSite(window);
+                    XDropTargetRegistry.getRegistry().registerDropSite(window);
+                }
+            }
+        } finally {
+            XToolkit.awtUnlock();
+        }
+    }
+
+    public void setGrab(boolean grab) {
+        this.grab = grab;
+        if (grab) {
+            pressTarget = this;
+            grabInput();
+        } else {
+            ungrabInput();
+        }
+    }
+
+    public boolean isGrabbed() {
+        return grab && XAwtState.getGrabWindow() == this;
+    }
+
+    public void handleXCrossingEvent(XEvent xev) {
+        XCrossingEvent xce = xev.get_xcrossing();
+        if (grabLog.isLoggable(PlatformLogger.Level.FINE)) {
+            grabLog.fine("{0}, when grabbed {1}, contains {2}",
+                         xce, isGrabbed(),
+                         containsGlobal(scaleDown(xce.get_x_root()),
+                                        scaleDown(xce.get_y_root())));
+        }
+        if (isGrabbed()) {
+            // When window is grabbed, all events are dispatched to
+            // it.  Retarget them to the corresponding windows (notice
+            // that XBaseWindow.dispatchEvent does the opposite
+            // translation)
+            // Note that we need to retarget XCrossingEvents to content window
+            // since it generates MOUSE_ENTERED/MOUSE_EXITED for frame and dialog.
+            // (fix for 6390326)
+            XBaseWindow target = XToolkit.windowToXWindow(xce.get_window());
+            if (grabLog.isLoggable(PlatformLogger.Level.FINER)) {
+                grabLog.finer("  -  Grab event target {0}", target);
+            }
+            if (target != null && target != this) {
+                target.dispatchEvent(xev);
+                return;
+            }
+        }
+        super.handleXCrossingEvent(xev);
+    }
+
+    public void handleMotionNotify(XEvent xev) {
+        XMotionEvent xme = xev.get_xmotion();
+        if (grabLog.isLoggable(PlatformLogger.Level.FINER)) {
+            grabLog.finer("{0}, when grabbed {1}, contains {2}",
+                          xme, isGrabbed(),
+                          containsGlobal(scaleDown(xme.get_x_root()),
+                                         scaleDown(xme.get_y_root())));
+        }
+        if (isGrabbed()) {
+            boolean dragging = false;
+            final int buttonsNumber = XToolkit.getNumberOfButtonsForMask();
+
+            for (int i = 0; i < buttonsNumber; i++){
+                // here is the bug in WM: extra buttons doesn't have state!=0 as they should.
+                if ((i != 4) && (i != 5)){
+                    dragging = dragging || ((xme.get_state() & XlibUtil.getButtonMask(i + 1)) != 0);
+                }
+            }
+            // When window is grabbed, all events are dispatched to
+            // it.  Retarget them to the corresponding windows (notice
+            // that XBaseWindow.dispatchEvent does the opposite
+            // translation)
+            XBaseWindow target = XToolkit.windowToXWindow(xme.get_window());
+            if (dragging && pressTarget != target) {
+                // for some reasons if we grab input MotionNotify for drag is reported with target
+                // to underlying window, not to window on which we have initiated drag
+                // so we need to retarget them.  Here I use simplified logic which retarget all
+                // such events to source of mouse press (or the grabber).  It helps with fix for 6390326.
+                // So, I do not want to implement complicated logic for better retargeting.
+                target = pressTarget.isVisible() ? pressTarget : this;
+                xme.set_window(target.getWindow());
+                Point localCoord = target.toLocal(scaleDown(xme.get_x_root()),
+                                                  scaleDown(xme.get_y_root()));
+                xme.set_x(scaleUp(localCoord.x));
+                xme.set_y(scaleUp(localCoord.y));
+            }
+            if (grabLog.isLoggable(PlatformLogger.Level.FINER)) {
+                grabLog.finer("  -  Grab event target {0}", target);
+            }
+            if (target != null) {
+                if (target != getContentXWindow() && target != this) {
+                    target.dispatchEvent(xev);
+                    return;
+                }
+            }
+
+            // note that we need to pass dragging events to the grabber (6390326)
+            // see comment above for more inforamtion.
+            if (!containsGlobal(scaleDown(xme.get_x_root()),
+                                scaleDown(xme.get_y_root()))
+                    && !dragging) {
+                // Outside of Java
+                return;
+            }
+        }
+        super.handleMotionNotify(xev);
+    }
+
+    // we use it to retarget mouse drag and mouse release during grab.
+    private XBaseWindow pressTarget = this;
+
+    public void handleButtonPressRelease(XEvent xev) {
+        XButtonEvent xbe = xev.get_xbutton();
+        /*
+         * Ignore the buttons above 20 due to the bit limit for
+         * InputEvent.BUTTON_DOWN_MASK.
+         * One more bit is reserved for FIRST_HIGH_BIT.
+         */
+        if (xbe.get_button() > SunToolkit.MAX_BUTTONS_SUPPORTED) {
+            return;
+        }
+        if (grabLog.isLoggable(PlatformLogger.Level.FINE)) {
+            grabLog.fine("{0}, when grabbed {1}, contains {2} ({3}, {4}, {5}x{6})",
+                         xbe, isGrabbed(),
+                         containsGlobal(scaleDown(xbe.get_x_root()),
+                                        scaleDown(xbe.get_y_root())),
+                         getAbsoluteX(), getAbsoluteY(),
+                         getWidth(), getHeight());
+        }
+        if (isGrabbed()) {
+            // When window is grabbed, all events are dispatched to
+            // it.  Retarget them to the corresponding windows (notice
+            // that XBaseWindow.dispatchEvent does the opposite
+            // translation)
+            XBaseWindow target = XToolkit.windowToXWindow(xbe.get_window());
+            try {
+                if (grabLog.isLoggable(PlatformLogger.Level.FINER)) {
+                    grabLog.finer("  -  Grab event target {0} (press target {1})", target, pressTarget);
+                }
+                if (xbe.get_type() == XConstants.ButtonPress
+                    && xbe.get_button() == XConstants.buttons[0])
+                {
+                    // need to keep it to retarget mouse release
+                    pressTarget = target;
+                } else if (xbe.get_type() == XConstants.ButtonRelease
+                           && xbe.get_button() == XConstants.buttons[0]
+                           && pressTarget != target)
+                {
+                    // during grab we do receive mouse release on different component (not on the source
+                    // of mouse press).  So we need to retarget it.
+                    // see 6390326 for more information.
+                    target = pressTarget.isVisible() ? pressTarget : this;
+                    xbe.set_window(target.getWindow());
+                    Point localCoord = target.toLocal(scaleDown(xbe.get_x_root()),
+                                                      scaleDown(xbe.get_y_root()));
+                    xbe.set_x(scaleUp(localCoord.x));
+                    xbe.set_y(scaleUp(localCoord.y));
+                    pressTarget = this;
+                }
+                if (target != null && target != getContentXWindow() && target != this) {
+                    target.dispatchEvent(xev);
+                    return;
+                }
+            } finally {
+                if (target != null) {
+                    // Target is either us or our content window -
+                    // check that event is inside.  'Us' in case of
+                    // shell will mean that this will also filter out press on title
+                    if ((target == this || target == getContentXWindow())
+                            && !containsGlobal(scaleDown(xbe.get_x_root()),
+                                               scaleDown(xbe.get_y_root())))
+                    {
+                        // Outside this toplevel hierarchy
+                        // According to the specification of UngrabEvent, post it
+                        // when press occurs outside of the window and not on its owned windows
+                        if (xbe.get_type() == XConstants.ButtonPress) {
+                            if (grabLog.isLoggable(PlatformLogger.Level.FINE)) {
+                                grabLog.fine("Generating UngrabEvent on {0} because not inside of shell", this);
+                            }
+                            // Do not post Ungrab Event for mouse scroll
+                            if ((xbe.get_button() != XConstants.buttons[3])
+                                && (xbe.get_button() != XConstants.buttons[4])) {
+                                postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
+                            }
+                            return;
+                        }
+                    }
+                    // First, get the toplevel
+                    XWindowPeer toplevel = target.getToplevelXWindow();
+                    if (toplevel != null) {
+                        Window w = (Window)toplevel.target;
+                        while (w != null && toplevel != this && !(toplevel instanceof XDialogPeer)) {
+                            w = (Window) AWTAccessor.getComponentAccessor().getParent(w);
+                            if (w != null) {
+                                toplevel = AWTAccessor.getComponentAccessor().getPeer(w);
+                            }
+                        }
+                        if (w == null || (w != this.target && w instanceof Dialog)) {
+                            // toplevel == null - outside of
+                            // hierarchy, toplevel is Dialog - should
+                            // send ungrab (but shouldn't for Window)
+                            if (grabLog.isLoggable(PlatformLogger.Level.FINE)) {
+                                grabLog.fine("Generating UngrabEvent on {0} because hierarchy ended", this);
+                            }
+                            // For mouse wheel event, do not send UngrabEvent
+                            if (xbe.get_type() != XConstants.ButtonPress) {
+                                postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
+                            } else if ((xbe.get_button() != XConstants.buttons[3])
+                                   && (xbe.get_button() != XConstants.buttons[4])) {
+                                postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
+                            }
+                        }
+                    } else {
+                        // toplevel is null - outside of hierarchy
+                        if (grabLog.isLoggable(PlatformLogger.Level.FINE)) {
+                            grabLog.fine("Generating UngrabEvent on {0} because toplevel is null", this);
+                        }
+                        // For mouse wheel event, do not send UngrabEvent
+                        if (xbe.get_type() != XConstants.ButtonPress) {
+                            postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
+                        } else if ((xbe.get_button() != XConstants.buttons[3])
+                               && (xbe.get_button() != XConstants.buttons[4])) {
+                            postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
+                        }
+                        return;
+                    }
+                } else {
+                    // target doesn't map to XAWT window - outside of hierarchy
+                    if (grabLog.isLoggable(PlatformLogger.Level.FINE)) {
+                        grabLog.fine("Generating UngrabEvent on because target is null {0}", this);
+                    }
+                    // For mouse wheel event, do not send UngrabEvent
+                    if (xbe.get_type() != XConstants.ButtonPress) {
+                        postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
+                    } else if ((xbe.get_button() != XConstants.buttons[3])
+                            && (xbe.get_button() != XConstants.buttons[4])) {
+                        postEventToEventQueue(new sun.awt.UngrabEvent(getEventSource()));
+                    }
+                    return;
+                }
+            }
+        }
+        super.handleButtonPressRelease(xev);
+    }
+
+    public void print(Graphics g) {
+        // We assume we print the whole frame,
+        // so we expect no clip was set previously
+        Shape shape = AWTAccessor.getWindowAccessor().getShape((Window)target);
+        if (shape != null) {
+            g.setClip(shape);
+        }
+        super.print(g);
+    }
+
+    @Override
+    public void setOpacity(float opacity) {
+        final long maxOpacity = 0xffffffffl;
+        long iOpacity = (long)(opacity * maxOpacity);
+        if (iOpacity < 0) {
+            iOpacity = 0;
+        }
+        if (iOpacity > maxOpacity) {
+            iOpacity = maxOpacity;
+        }
+
+        XAtom netWmWindowOpacityAtom = XAtom.get("_NET_WM_WINDOW_OPACITY");
+
+        if (iOpacity == maxOpacity) {
+            netWmWindowOpacityAtom.DeleteProperty(getWindow());
+        } else {
+            netWmWindowOpacityAtom.setCard32Property(getWindow(), iOpacity);
+        }
+    }
+
+    @Override
+    public void setOpaque(boolean isOpaque) {
+        // no-op
+    }
+
+    @Override
+    public void updateWindow() {
+        // no-op
+    }
+}