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