gtk/gtk.go
func (v *Entry) LayoutIndexToTextIndex(layoutIndex int) int {
	c := C.gtk_entry_layout_index_to_text_index(v.native(),
		C.gint(layoutIndex))
	return int(c)
}
func (v *Entry) LayoutIndexToTextIndex(layoutIndex int) int {
	c := C.gtk_entry_layout_index_to_text_index(v.native(),
		C.gint(layoutIndex))
	return int(c)
}
// LayoutIndexToTextIndex() is a wrapper around
// gtk_entry_layout_index_to_text_index().