/** Creates the cool and tool bar. These build the menu bar of the Riena sub-application. */
  private void create() {
    menuCoolBar = new CoolBar(this, SWT.FLAT);
    menuCoolItem = CoolbarUtils.initCoolBar(menuCoolBar, getMenuBarFont());
    menuToolBar = (ToolBar) menuCoolItem.getControl();

    final ToolBarMenuListener listener = new ToolBarMenuListener();
    menuToolBar.addMouseListener(listener);
    SWTFacade.getDefault().addMouseTrackListener(menuToolBar, listener);
    menuToolBar.addTraverseListener(listener);
    fillMenuBar(listener);
  }
 private void initMouseWheelObserver(final Composite navigationComponent) {
   if (SwtUtilities.isDisposed(navigationComponent)) {
     return;
   }
   final Display display = navigationComponent.getDisplay();
   final MouseWheelAdapter wheelAdapter = new MouseWheelAdapter();
   SWTFacade.getDefault().addFilterMouseWheel(display, wheelAdapter);
   navigationComponent.addDisposeListener(
       new DisposeListener() {
         public void widgetDisposed(final DisposeEvent e) {
           SWTFacade.getDefault().removeFilterMouseWheel(display, wheelAdapter);
         }
       });
 }