970     private long getToplevelWindow( long w ) {
 971         long wi = w, ret, root;
 972         do {
 973             ret = wi;
 974             XQueryTree qt = new XQueryTree(wi);
 975             try {
 976                 if (qt.execute() == 0) {
 977                     return 0;
 978                 }
 979                 root = qt.get_root();
 980                 wi = qt.get_parent();
 981             } finally {
 982                 qt.dispose();
 983             }
 984 
 985         } while (wi != root);
 986 
 987         return ret;
 988     }
 989 






 990     private static boolean isDesktopWindow( long wi ) {
 991         return XWM.getWM().isDesktopWindow( wi );
 992     }
 993 
 994     private void updateAlwaysOnTop() {
 995         if (log.isLoggable(PlatformLogger.FINE)) {
 996             log.fine("Promoting always-on-top state {0}", Boolean.valueOf(alwaysOnTop));
 997         }
 998         XWM.getWM().setLayer(this,
 999                              alwaysOnTop ?
1000                              XLayerProtocol.LAYER_ALWAYS_ON_TOP :
1001                              XLayerProtocol.LAYER_NORMAL);
1002     }
1003 
1004     public void setAlwaysOnTop(boolean alwaysOnTop) {
1005         this.alwaysOnTop = alwaysOnTop;
1006         updateAlwaysOnTop();
1007     }
1008 
1009     boolean isLocationByPlatform() {

 970     private long getToplevelWindow( long w ) {
 971         long wi = w, ret, root;
 972         do {
 973             ret = wi;
 974             XQueryTree qt = new XQueryTree(wi);
 975             try {
 976                 if (qt.execute() == 0) {
 977                     return 0;
 978                 }
 979                 root = qt.get_root();
 980                 wi = qt.get_parent();
 981             } finally {
 982                 qt.dispose();
 983             }
 984 
 985         } while (wi != root);
 986 
 987         return ret;
 988     }
 989 
 990     @Override
 991     final XComponentPeer getContainerPeer() {
 992         // A window has a parent, but it does NOT have a container.
 993         return null;
 994     }
 995 
 996     private static boolean isDesktopWindow( long wi ) {
 997         return XWM.getWM().isDesktopWindow( wi );
 998     }
 999 
1000     private void updateAlwaysOnTop() {
1001         if (log.isLoggable(PlatformLogger.FINE)) {
1002             log.fine("Promoting always-on-top state {0}", Boolean.valueOf(alwaysOnTop));
1003         }
1004         XWM.getWM().setLayer(this,
1005                              alwaysOnTop ?
1006                              XLayerProtocol.LAYER_ALWAYS_ON_TOP :
1007                              XLayerProtocol.LAYER_NORMAL);
1008     }
1009 
1010     public void setAlwaysOnTop(boolean alwaysOnTop) {
1011         this.alwaysOnTop = alwaysOnTop;
1012         updateAlwaysOnTop();
1013     }
1014 
1015     boolean isLocationByPlatform() {