--- old/src/solaris/classes/sun/awt/X11/XWindow.java	2012-12-10 20:46:45.739064659 +0100
+++ new/src/solaris/classes/sun/awt/X11/XWindow.java	2012-12-10 20:46:45.542002810 +0100
@@ -596,12 +596,12 @@
         /* this is an attempt to refactor button IDs in : MouseEvent, InputEvent, XlibWrapper and XWindow.*/
 
         //reflects a button number similar to MouseEvent.BUTTON1, 2, 3 etc.
-        for (int i = 0; i < XConstants.buttonsMask.length; i ++){
+        for (int i = 0; i < XConstants.buttons.length; i ++){
             //modifier should be added if :
             // 1) current button is now still in PRESSED state (means that user just pressed mouse but not released yet) or
             // 2) if Xsystem reports that "state" represents that button was just released. This only happens on RELEASE with 1,2,3 buttons.
             // ONLY one of these conditions should be TRUE to add that modifier.
-            if (((state & XConstants.buttonsMask[i]) != 0) != (button == XConstants.buttons[i])){
+            if (((state & XlibUtil.getButtonMask(i + 1)) != 0) != (button == XConstants.buttons[i])){
                 //exclude wheel buttons from adding their numbers as modifiers
                 if (!wheel_mouse) {
                     modifiers |= InputEvent.getMaskForButton(i+1);
@@ -689,7 +689,7 @@
 
         if (type == XConstants.ButtonPress) {
             //Allow this mouse button to generate CLICK event on next ButtonRelease
-            mouseButtonClickAllowed |= XConstants.buttonsMask[lbutton];
+            mouseButtonClickAllowed |= XlibUtil.getButtonMask(lbutton);
             XWindow lastWindow = (lastWindowRef != null) ? ((XWindow)lastWindowRef.get()):(null);
             /*
                multiclick checking
@@ -747,7 +747,7 @@
             postEventToEventQueue(me);
 
             if ((type == XConstants.ButtonRelease) &&
-                ((mouseButtonClickAllowed & XConstants.buttonsMask[lbutton]) != 0) ) // No up-button in the drag-state
+                ((mouseButtonClickAllowed & XlibUtil.getButtonMask(lbutton)) != 0) ) // No up-button in the drag-state
             {
                 postEventToEventQueue(me = new MouseEvent((Component)getEventSource(),
                                                      MouseEvent.MOUSE_CLICKED,
@@ -777,7 +777,7 @@
         /* Update the state variable AFTER the CLICKED event post. */
         if (type == XConstants.ButtonRelease) {
             /* Exclude this mouse button from allowed list.*/
-            mouseButtonClickAllowed &= ~XConstants.buttonsMask[lbutton];
+            mouseButtonClickAllowed &= ~ XlibUtil.getButtonMask(lbutton);
         }
     }
 
@@ -793,12 +793,12 @@
         //this doesn't work for extra buttons because Xsystem is sending state==0 for every extra button event.
         // we can't correct it in MouseEvent class as we done it with modifiers, because exact type (DRAG|MOVE)
         // should be passed from XWindow.
-        final int buttonsNumber = ((SunToolkit)(Toolkit.getDefaultToolkit())).getNumberOfButtons();
+        final int buttonsNumber = XToolkit.getNumberOfButtonsForMask();
 
         for (int i = 0; i < buttonsNumber; i++){
             // TODO : here is the bug in WM: extra buttons doesn't have state!=0 as they should.
             if ((i != 4) && (i != 5)) {
-                mouseKeyState = mouseKeyState | (xme.get_state() & XConstants.buttonsMask[i]);
+                mouseKeyState = mouseKeyState | (xme.get_state() & XlibUtil.getButtonMask(i + 1));
             }
         }