Gets the settings object holding the settings used for this widget.
Note that this function can only be called when the gtk.Widget is attached to a toplevel, since the settings object is specific to a particular gdk.Screen
the relevant gtk.Settings object
Gets the settings object holding the settings used for this widget.
Note that this function can only be called when the gtk.Widget is attached to a toplevel, since the settings object is specific to a particular gdk.Screen