Get the gdk.Screen from the toplevel window associated with
this widget. This function can only be called after the widget
has been added to a widget hierarchy with a gtk.Window
at the top.
In general, you should only create screen specific
resources when a widget has been realized, and you should
free those resources when the widget is unrealized.
Get the gdk.Screen from the toplevel window associated with this widget. This function can only be called after the widget has been added to a widget hierarchy with a gtk.Window at the top.
In general, you should only create screen specific resources when a widget has been realized, and you should free those resources when the widget is unrealized.