protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) {
   CoolScrolledComposite sc = (CoolScrolledComposite) composite.getParent();
   Point size = new Point(DEFAULT_WIDTH, DEFAULT_HEIGHT);
   if (sc.content != null) {
     Point preferredSize = sc.content.computeSize(wHint, hHint, flushCache);
     Point currentSize = sc.content.getSize();
     size.x = sc.getExpandHorizontal() ? preferredSize.x : currentSize.x;
     size.y = sc.getExpandVertical() ? preferredSize.y : currentSize.y;
   }
   size.x = Math.max(size.x, sc.minWidth);
   size.y = Math.max(size.y, sc.minHeight);
   if (wHint != SWT.DEFAULT) size.x = wHint;
   if (hHint != SWT.DEFAULT) size.y = hHint;
   return size;
 }
  protected void layout(Composite composite, boolean flushCache) {
    if (inLayout) return;
    CoolScrolledComposite sc = (CoolScrolledComposite) composite.getParent();
    if (sc.content == null) return;

    CoolScrollBar horizontalBar = sc.horizontalBar;
    CoolScrollBar verticalBar = sc.verticalBar;

    if (horizontalBar.getSize().y >= sc.getSize().y) {
      return;
    }
    if (verticalBar.getSize().x >= sc.getSize().x) {
      return;
    }

    inLayout = true;
    Rectangle contentRect = sc.content.getBounds();

    Rectangle hostRect = composite.getClientArea();
    if (sc.expandHorizontal) {
      contentRect.width = Math.max(sc.minWidth, hostRect.width);
    }
    if (sc.expandVertical) {
      contentRect.height = Math.max(sc.minHeight, hostRect.height);
    }

    horizontalBar.setRunnerSize(contentRect.width, hostRect.width);
    float hPosition = horizontalBar.getPosition();
    if (hPosition > 0) contentRect.x = (int) -hPosition;

    verticalBar.setRunnerSize(contentRect.height, hostRect.height);
    float vPosition = verticalBar.getPosition();
    if (vPosition > 0) contentRect.x = (int) -vPosition;

    sc.content.setBounds(contentRect);
    inLayout = false;
  }