#include <Elementary.h>
static void
_press(void *data, Evas_Object *obj, void *event_info)
{
   printf("Pressed\n");
}
static void
_unpress(void *data, Evas_Object *obj, void *event_info)
{
}
static void
_clicked(void *data, Evas_Object *obj, void *event_info)
{
   printf("Clicked\n");
}
static void
_clicked_double(void *data, Evas_Object *obj, void *event_info)
{
   static double size = 0.0;
   double tmp_size = 0.0;
   if (tmp_size > 0)
     {
        printf("Double clicked, hidding.\n");
     }
   else
     {
        printf("Double clicked, restoring size.\n");
     }
   size = tmp_size;
}
EAPI_MAIN int
elm_main(int argc, char **argv)
{
   Evas_Object *win, *panes, *panes_h, *bt;
   evas_object_size_hint_weight_set(panes, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_show(panes);
   elm_object_text_set(bt, "Left");
   evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_show(bt);
   evas_object_size_hint_weight_set(panes_h, EVAS_HINT_EXPAND,
                                    EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(panes_h, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_show(panes_h);
   elm_object_text_set(bt, "Up");
   evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_show(bt);
   elm_object_text_set(bt, "Down");
   evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_show(bt);
   evas_object_smart_callback_add(panes, "clicked", _clicked, panes);
   evas_object_smart_callback_add(panes, "clicked,double", _clicked_double,
                                  panes);
   evas_object_smart_callback_add(panes, "press", _press, panes);
   evas_object_smart_callback_add(panes, "unpress", _unpress, panes);
   evas_object_resize(win, 320, 400);
   evas_object_show(win);
   return 0;
}