def method_missing(name, *args)
      if @c_window.respond_to? name.to_s
        @c_window.send name.to_s, *args
      else
        super
      end
    end
def method_missing(name, *args)
      if @c_window.respond_to? name.to_s
        @c_window.send name.to_s, *args
      else
        super
      end
    end
delegate to instance of Curses::Window