gtk/text_view.go
func (v *TextView) SetEditable(editable bool) {
	C.gtk_text_view_set_editable(v.native(), gbool(editable))
}
func (v *TextView) SetEditable(editable bool) {
	C.gtk_text_view_set_editable(v.native(), gbool(editable))
}
// SetEditable is a wrapper around gtk_text_view_set_editable().