docs: public JComponent setupMenuAndToolbar(JBasePanel baseScreen, JComponent screen)
      {
          if (screen == null)
              screen = baseScreen;
          JBasePanel toolbarParent = this.getToolbarParent();
          JComponent toolbar = baseScreen.createToolbar();
          JMenuBar menubar = baseScreen.createMenubar();
          if (toolbarParent == this)
          {
              if (toolbar != null)    // Add toolbars?
                  screen = this.addToolbar(screen, toolbar);        
              if (menubar != null)    // Add menubars?
                  screen = this.addToolbar(screen, menubar);
          }
          else
          {
              if (toolbar != null)    // Add toolbars?
                  this.switchToolbar(toolbarParent, toolbar);
              if (menubar != null)    // Add menubars?
                  this.switchToolbar(toolbarParent, menubar);
          }
          return screen;
      }