text: #
  #   Albow - Screen
  #
  
  from widget import Widget
  
  #------------------------------------------------------------------------------
  
  
  class Screen(Widget):
  
      def __init__(self, shell, **kwds):
          Widget.__init__(self, shell.rect, **kwds)
          self.shell = shell
          self.center = shell.center
  
      def begin_frame(self):
          pass
  
      def enter_screen(self):
          pass
  
      def leave_screen(self):
          pass
  