Lines Matching defs:_screen
2427 if isinstance(canvas, _Screen):
3551 if Turtle._screen is None:
3552 Turtle._screen = _Screen()
3553 return Turtle._screen
3555 class _Screen(TurtleScreen):
3563 # as there will be only a single _Screen instance, anyway
3567 if _Screen._root is None:
3568 _Screen._root = self._root = _Root()
3569 self._root.title(_Screen._title)
3571 if _Screen._canvas is None:
3579 _Screen._canvas = self._root._getcanvas()
3580 TurtleScreen.__init__(self, _Screen._canvas)
3636 if _Screen._root is not None:
3637 _Screen._root.title(titlestring)
3638 _Screen._title = titlestring
3642 if root is _Screen._root:
3644 Turtle._screen = None
3645 _Screen._root = None
3646 _Screen._canvas = None
3696 _screen = None
3702 if Turtle._screen is None:
3703 Turtle._screen = Screen()
3704 RawTurtle.__init__(self, Turtle._screen,
3719 if Turtle._screen is None:
3720 Turtle._screen = Screen()
3721 return Turtle._screen
3738 key = "_Screen."+methodname
3852 pl1, pl2 = getmethparlist(eval('_Screen.' + methodname))
3859 eval(methodname).__doc__ = _screen_docrevise(eval('_Screen.'+methodname).__doc__)
