# File locana/l_menu.rb, line 128
   def set_focus()
      debug 11, dfh() if ($DEBUG)
      Levent.skip_events do
         Locana_gui::set_focus(l_frame)
      end
      return l_first_child.set_focus() if (kind_of?(Lmenu) && sub_menu && sub_menu.is_open?)
      self
   end