Called when visibility has changed

visible,data,changed;

EFL_ACCESS_OBJECT_EVENT_VISIBLE_DATA_CHANGED(void)

static void
on_efl_access_object_event_visible_data_changed(void *data, const Efl_Event *event)
{
    void info = event->info;
    Eo *obj = event->object;
    Data *d = data;
 
    /* event hander code */
}
 
static void
setup_event_handler(Eo *obj, Data *d)
{
    efl_event_callback_add(obj, EFL_ACCESS_OBJECT_EVENT_VISIBLE_DATA_CHANGED, on_efl_access_object_event_visible_data_changed, d);
}