#include <Elementary.h>
#define N_ITEMS 300
static int nitems = 0;
static char *
_item_label_get(void *data, Evas_Object *obj, const char *part)
{
   time_t t = (time_t)ecore_time_unix_get();
   char buf[256];
   int i = (int)(long)data;
   if (!strcmp(part, "elm.text"))
     snprintf(buf, sizeof(buf), "Item # %i", i);
   else
     {
        int n;
        snprintf(buf, sizeof(buf), "realized at %s", ctime(&t));
        n = strlen(buf);
        buf[n - 1] = '\0';
     }
   return strdup(buf);
}
static Evas_Object *
_item_content_get(void *data, Evas_Object *obj, const char *part)
{
   if (!strcmp(part, "elm.swallow.icon"))
   evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
   return ic;
}
static void
_item_sel_cb(void *data, Evas_Object *obj, void *event_info)
{
   printf("sel item data [%p] on genlist obj [%p], item pointer [%p]\n",
          data, obj, event_info);
}
static char *
_group_label_get(void *data, Evas_Object *obj, const char *part)
{
   char buf[256];
   int i = (int)(long)data;
   snprintf(buf, sizeof(buf), "Group %d (item #%d)", i / 7, i);
   return strdup(buf);
}
static Evas_Object *
_group_content_get(void *data, Evas_Object *obj, const char *part)
{
   if (!strcmp(part, "elm.swallow.icon"))
   evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
   return ic;
}
static void
_append_cb(void *data, Evas_Object *o, void *event_info)
{
   Evas_Object *list = data;
                           (void *)(long)nitems++, NULL,
                           ELM_GENLIST_ITEM_NONE,
                           _item_sel_cb, NULL);
}
static void
_prepend_cb(void *data, Evas_Object *o, void *event_info)
{
   Evas_Object *list = data;
                            (void *)(long)nitems++, NULL,
                            ELM_GENLIST_ITEM_NONE,
                            _item_sel_cb, NULL);
}
static void
_insert_before_cb(void *data, Evas_Object *o, void *event_info)
{
   Evas_Object *list = data;
   if (!glit) return;
                                  (void *)(long)nitems++, NULL,
                                  glit, ELM_GENLIST_ITEM_NONE,
                                  _item_sel_cb, NULL);
}
static void
_insert_after_cb(void *data, Evas_Object *o, void *event_info)
{
   Evas_Object *list = data;
   if (!glit) return;
                                 (void *)(long)nitems++, NULL,
                                 glit, ELM_GENLIST_ITEM_NONE,
                                 _item_sel_cb, NULL);
}
static void
_next_cb(void *data, Evas_Object *o, void *event_info)
{
   Evas_Object *list = data;
   if (glit) glit = elm_genlist_item_next_get(glit);
   elm_genlist_item_selected_set(glit, EINA_TRUE);
   elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_prev_cb(void *data, Evas_Object *o, void *event_info)
{
   Evas_Object *list = data;
   if (glit) glit = elm_genlist_item_prev_get(glit);
   elm_genlist_item_selected_set(glit, EINA_TRUE);
   elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_bring_in_cb(void *data, Evas_Object *o, void *event_info)
{
   if (!glit) return;
   elm_genlist_item_bring_in(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_show_cb(void *data, Evas_Object *o, void *event_info)
{
   if (!glit) return;
   elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_IN);
}
static void
_middle_in_cb(void *data, Evas_Object *o, void *event_info)
{
   if (!glit) return;
   elm_genlist_item_bring_in(glit, ELM_GENLIST_ITEM_SCROLLTO_MIDDLE);
}
static void
_middle_show_cb(void *data, Evas_Object *o, void *event_info)
{
   if (!glit) return;
   elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_MIDDLE);
}
static void
_top_in_cb(void *data, Evas_Object *o, void *event_info)
{
   if (!glit) return;
   elm_genlist_item_bring_in(glit, ELM_GENLIST_ITEM_SCROLLTO_TOP);
}
static void
_top_show_cb(void *data, Evas_Object *o, void *event_info)
{
   if (!glit) return;
   elm_genlist_item_show(glit, ELM_GENLIST_ITEM_SCROLLTO_TOP);
}
static void
_realize_cb(void *data, Evas_Object *o, void *event_info)
{
   Evas_Object *list = data;
   if (!glit) return;
   elm_genlist_item_update(glit);
}
static Evas_Object *
_button_add(Evas_Object *list, Evas_Object *box, const char *label, Evas_Smart_Cb cb)
{
   Evas_Object *bt;
   elm_object_text_set(bt, label);
   evas_object_show(bt);
   if (cb)
     evas_object_smart_callback_add(bt, "clicked", cb, list);
   return bt;
}
EAPI_MAIN int
elm_main(int argc, char **argv)
{
   Evas_Object *win, *box, *fbox;
   Evas_Object *list;
   Evas_Object *bt_bring_in, *bt_show;
   Evas_Object *bt_middle_in, *bt_middle_show;
   Evas_Object *bt_top_in, *bt_top_show;
   int i;
   evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_show(box);
   if (!_itc)
     {
        _itc->item_style = "default";
        _itc->func.text_get = _item_label_get;
        _itc->func.content_get = _item_content_get;
        _itc->func.state_get = NULL;
        _itc->func.del = NULL;
     }
   if (!_itc_group)
     {
        _itc_group->item_style = "group_index";
        _itc_group->func.text_get = _group_label_get;
        _itc_group->func.content_get = _group_content_get;
        _itc_group->func.state_get = NULL;
        _itc_group->func.del = NULL;
     }
   evas_object_size_hint_weight_set(list, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(list, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_show(list);
                      NULL, NULL);
   evas_object_size_hint_weight_set(fbox, EVAS_HINT_EXPAND, 0);
   evas_object_size_hint_align_set(fbox, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_show(fbox);
   _button_add(list, fbox, "prepend", _prepend_cb);
   _button_add(list, fbox, "append", _append_cb);
   _button_add(list, fbox, "insert before", _insert_before_cb);
   _button_add(list, fbox, "insert after", _insert_after_cb);
   _button_add(list, fbox, "prev", _prev_cb);
   _button_add(list, fbox, "next", _next_cb);
   _button_add(list, fbox, "realize", _realize_cb);
   bt_bring_in = _button_add(list, fbox, "bring #50", NULL);
   bt_show = _button_add(list, fbox, "show #50", NULL);
   bt_middle_in = _button_add(list, fbox, "bring to middle #200", NULL);
   bt_middle_show = _button_add(list, fbox, "show in middle #200", NULL);
   bt_top_in = _button_add(list, fbox, "bring to top #250", NULL);
   bt_top_show = _button_add(list, fbox, "show in top #250", NULL);
   for (i = 0; i < N_ITEMS; i++)
     {
        if (i % 7 == 0)
          {
                                                 (void *)(long)nitems++, NULL,
                                                 ELM_GENLIST_ITEM_GROUP,
                                                 _item_sel_cb, NULL);
             elm_genlist_item_select_mode_set(gli, ELM_OBJECT_SELECT_MODE_DISPLAY_ONLY);
          }
        else
          {
                                           (void *)(long)nitems++, glg,
                                           ELM_GENLIST_ITEM_NONE,
                                           _item_sel_cb, NULL);
          }
        switch (i)
          {
           case 3:
              elm_object_item_disabled_set(gli, EINA_TRUE);
              break;
           case 50:
              evas_object_smart_callback_add(
                 bt_bring_in, "clicked", _bring_in_cb, gli);
              evas_object_smart_callback_add(
                 bt_show, "clicked", _show_cb, gli);
              break;
           case 200:
              evas_object_smart_callback_add(
                 bt_middle_in, "clicked", _middle_in_cb, gli);
              evas_object_smart_callback_add(
                 bt_middle_show, "clicked", _middle_show_cb, gli);
              break;
           case 250:
              evas_object_smart_callback_add(
                 bt_top_in, "clicked", _top_in_cb, gli);
              evas_object_smart_callback_add(
                 bt_top_show, "clicked", _top_show_cb, gli);
          }
     }
   evas_object_resize(win, 420, 320);
   evas_object_show(win);
   return 0;
}