gtk/text_view.go
func (v *TextView) GetBorderWindowSize(tp TextWindowType) int {
	return int(C.gtk_text_view_get_border_window_size(v.native(), C.GtkTextWindowType(tp)))
}
func (v *TextView) GetBorderWindowSize(tp TextWindowType) int {
	return int(C.gtk_text_view_get_border_window_size(v.native(), C.GtkTextWindowType(tp)))
}
// GetBorderWindowSize is a wrapper around gtk_text_view_get_border_window_size().