gtk/text_view.go
func (v *TextView) GetIterAtPosition(x, y int) (*TextIter, int) {
	var iter C.GtkTextIter
	var trailing C.gint
	C.gtk_text_view_get_iter_at_position(v.native(), &iter, &trailing, C.gint(x), C.gint(y))
	return (*TextIter)(&iter), int(trailing)
}
func (v *TextView) GetIterAtPosition(x, y int) (*TextIter, int) {
	var iter C.GtkTextIter
	var trailing C.gint
	C.gtk_text_view_get_iter_at_position(v.native(), &iter, &trailing, C.gint(x), C.gint(y))
	return (*TextIter)(&iter), int(trailing)
}
// GetIterAtPosition is a wrapper around gtk_text_view_get_iter_at_position().