func (v *Widget) SetHasWindow(hasWindow bool) {
	C.gtk_widget_set_has_window(v.native(), gbool(hasWindow))
}
func (v *Widget) SetHasWindow(hasWindow bool) {
	C.gtk_widget_set_has_window(v.native(), gbool(hasWindow))
}
// SetHasWindow is a wrapper around gtk_widget_set_has_window().