90     public int getVScrollbarWidth() {
  91         return scrollbarWidth;
  92     }
  93     private native int _getVScrollbarWidth();
  94 
  95     public Point getScrollOffset() {
  96         int x = getOffset(Adjustable.HORIZONTAL);
  97         int y = getOffset(Adjustable.VERTICAL);
  98         return new Point(x, y);
  99     }
 100 
 101     /**
 102      * The child component has been resized.  The scrollbars must be
 103      * updated with the new sizes.  At the native level the sizes of
 104      * the actual windows may not have changed yet, so the size
 105      * information from the java-level is passed down and used.
 106      */
 107     @Override
 108     public void childResized(int width, int height) {
 109         ScrollPane sp = (ScrollPane)target;

 110         Dimension vs = sp.getSize();
 111         setSpans(vs.width, vs.height, width, height);

 112         setInsets();
 113     }
 114 
 115     synchronized native void setSpans(int viewWidth, int viewHeight,
 116                                       int childWidth, int childHeight);
 117 
 118     /**
 119      * Called by ScrollPane's internal observer of the scrollpane's adjustables.
 120      * This is called whenever a scroll position is changed in one
 121      * of adjustables, whether it was modified externally or from the
 122      * native scrollbars themselves.
 123      */
 124     @Override
 125     public void setValue(Adjustable adj, int v) {
 126         Component c = getScrollChild();
 127         if (c == null) {
 128             return;
 129         }
 130 
 131         Point p = c.getLocation();

  90     public int getVScrollbarWidth() {
  91         return scrollbarWidth;
  92     }
  93     private native int _getVScrollbarWidth();
  94 
  95     public Point getScrollOffset() {
  96         int x = getOffset(Adjustable.HORIZONTAL);
  97         int y = getOffset(Adjustable.VERTICAL);
  98         return new Point(x, y);
  99     }
 100 
 101     /**
 102      * The child component has been resized.  The scrollbars must be
 103      * updated with the new sizes.  At the native level the sizes of
 104      * the actual windows may not have changed yet, so the size
 105      * information from the java-level is passed down and used.
 106      */
 107     @Override
 108     public void childResized(int width, int height) {
 109         ScrollPane sp = (ScrollPane)target;
 110         if(sp.getScrollbarDisplayPolicy() != ScrollPane.SCROLLBARS_NEVER) {
 111             Dimension vs = sp.getSize();
 112             setSpans(vs.width, vs.height, width, height);
 113         }
 114         setInsets();
 115     }
 116 
 117     synchronized native void setSpans(int viewWidth, int viewHeight,
 118                                       int childWidth, int childHeight);
 119 
 120     /**
 121      * Called by ScrollPane's internal observer of the scrollpane's adjustables.
 122      * This is called whenever a scroll position is changed in one
 123      * of adjustables, whether it was modified externally or from the
 124      * native scrollbars themselves.
 125      */
 126     @Override
 127     public void setValue(Adjustable adj, int v) {
 128         Component c = getScrollChild();
 129         if (c == null) {
 130             return;
 131         }
 132 
 133         Point p = c.getLocation();