efl

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/**
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 * Simple Elementary's <b>index widget</b> example, illustrating its
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 * usage and API.
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 *
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 * See stdout/stderr for output. Compile with:
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 *
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 * @verbatim
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 * gcc -g index_example_01.c -o index_example_01 `pkg-config --cflags --libs elementary`
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 * @endverbatim
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 */
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#include <Elementary.h>
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#include <assert.h>
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static const char *dict[] = \
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{
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#include "dict.txt"
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};
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static void
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_index_item_del(void *data, Evas_Object *obj EINA_UNUSED, void *event_info)
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{
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   printf("Deleting index node (%s). Comparing index "
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           "item data reported via callback with the one returned by "
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           "index's API on items: %s.\n",
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           elm_index_item_letter_get(event_info),
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           data == elm_object_item_data_get(event_info) ? "OK" :
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           "FAIL, something went wrong");
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}
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/* delete an index item */
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static void
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_item_del(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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   Elm_Object_Item *it = elm_index_selected_item_get(data, 0);
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   if (!it) return;
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   printf("Deleting last selected index item, which had letter"
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           " %s (pointing to %p)\n", elm_index_item_letter_get(it),
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           elm_object_item_data_get(it));
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   elm_object_item_del(it);
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   elm_index_level_go(data, 0);
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}
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static void
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_item_del_all(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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   elm_index_item_clear(data);
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   elm_index_level_go(data, 0);
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}
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static void
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_active_set(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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   Eina_Bool disabled = elm_index_autohide_disabled_get(data);
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   elm_index_autohide_disabled_set(data, !disabled);
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   printf("Toggling index programmatically to %s.\n",
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           !disabled ? "On" : "Off");
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}
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/* "delay,changed" hook */
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static void
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_index_changed(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
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{
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   elm_list_item_bring_in(elm_object_item_data_get(event_info));
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}
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static void
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_index_selected(void *data EINA_UNUSED, Evas_Object *obj, void *event_info)
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{
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   Elm_Object_Item *lit = event_info;
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   printf("New index item selected. Comparing item reported"
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           " via callback with the selection returned by the API: "
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           "%s.\n", lit == elm_index_selected_item_get(obj, 0) ? "OK" :
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           "FAIL, something went wrong");
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}
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EAPI_MAIN int
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elm_main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
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{
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   Evas_Object *win, *hbox, *vbox, *bt, *sep, *list, *id;
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   Elm_Object_Item *lit;
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   unsigned int i;
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   char curr = 0;
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   elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
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   win = elm_win_util_standard_add("index", "Index Example");
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   elm_win_autodel_set(win, EINA_TRUE);
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   vbox = elm_box_add(win);
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   evas_object_size_hint_weight_set(vbox, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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   elm_win_resize_object_add(win, vbox);
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   evas_object_show(vbox);
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   list = elm_list_add(win);
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   evas_object_size_hint_weight_set(list, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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   evas_object_size_hint_align_set(list, EVAS_HINT_FILL, EVAS_HINT_FILL);
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   evas_object_show(list);
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   elm_box_pack_end(vbox, list);
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   id = elm_index_add(win);
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   evas_object_size_hint_weight_set(id, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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   elm_win_resize_object_add(win, id);
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   evas_object_show(id);
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   for (i = 0; i < (sizeof(dict) / sizeof(dict[0])); i++)
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     {
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        lit = elm_list_item_append(list, dict[i], NULL, NULL, NULL, NULL);
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        if (curr != dict[i][0])
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          {
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             Elm_Object_Item *index_it;
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             char buf[32];
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             curr = dict[i][0];
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             /* indexing by first letters */
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             snprintf(buf, sizeof(buf), "%c", curr);
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             index_it = elm_index_item_append(id, buf, NULL, lit);
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             /* this is here just to demostrate the API call */
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             (void)elm_index_item_find(id, lit);
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             assert(elm_index_item_find(id, lit) == index_it);
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             elm_object_item_del_cb_set(index_it, _index_item_del);
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          }
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     }
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   evas_object_smart_callback_add(id, "delay,changed", _index_changed,
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                                  NULL);
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   evas_object_smart_callback_add(id, "selected", _index_selected, NULL);
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   elm_index_level_go(id, 0);
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   /* attribute setting knobs */
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   sep = elm_separator_add(win);
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   elm_separator_horizontal_set(sep, EINA_TRUE);
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   elm_box_pack_end(vbox, sep);
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   evas_object_show(sep);
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   hbox = elm_box_add(win);
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   elm_box_horizontal_set(hbox, EINA_TRUE);
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   evas_object_size_hint_weight_set(hbox, EVAS_HINT_EXPAND, 0);
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   evas_object_size_hint_fill_set(hbox, EVAS_HINT_FILL, EVAS_HINT_FILL);
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   elm_box_pack_end(vbox, hbox);
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   evas_object_show(hbox);
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   bt = elm_button_add(win);
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   elm_object_text_set(bt, "bring in index");
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   evas_object_smart_callback_add(bt, "clicked", _active_set, id);
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   elm_box_pack_end(hbox, bt);
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   evas_object_show(bt);
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   bt = elm_button_add(win);
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   elm_object_text_set(bt, "delete last selected item");
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   evas_object_smart_callback_add(bt, "clicked", _item_del, id);
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   elm_box_pack_end(hbox, bt);
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   evas_object_show(bt);
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   bt = elm_button_add(win);
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   elm_object_text_set(bt, "delete all items");
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   evas_object_smart_callback_add(bt, "clicked", _item_del_all, id);
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   elm_box_pack_end(hbox, bt);
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   evas_object_show(bt);
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   evas_object_resize(win, 320, 600);
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   evas_object_show(win);
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   elm_run();
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   return 0;
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}
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ELM_MAIN()
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