public static void increaseFontSize(Control ctrl, int inc) {
   Font font = UIUtil.increaseFontSize(ctrl.getFont(), inc);
   ctrl.setFont(font);
   ctrl.addDisposeListener(
       new DisposeListenerWithData<Font>(font) {
         public void widgetDisposed(DisposeEvent e) {
           data().dispose();
         }
       });
 }