efl

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/**
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 * Simple Elementary's <b>flip selector 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 flipselector_example.c -o flipselector_example `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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static const char *commands = \
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                              "commands are:\n"
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                              "\tn - flip to next item\n"
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                              "\tp - flip to previous item\n"
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                              "\tf - print first item's label\n"
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                              "\tl - print last item's label\n"
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                              "\ts - print selected item's label\n"
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                              "\th - print help\n";
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void /* unselect the item shown in the flip selector */
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_unsel_cb(void        *data,
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          Evas_Object *obj EINA_UNUSED,
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          void        *event_info EINA_UNUSED)
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{
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   Elm_Object_Item *it;
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   Evas_Object *fp = data;
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   it = elm_flipselector_selected_item_get(fp);
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   elm_flipselector_item_selected_set(it, EINA_FALSE);
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}
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void /* delete the item shown in the flip selector */
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_del_cb(void        *data,
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        Evas_Object *obj EINA_UNUSED,
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        void        *event_info EINA_UNUSED)
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{
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   Elm_Object_Item *it;
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   Evas_Object *fp = data;
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   it = elm_flipselector_selected_item_get(fp);
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   if (it) elm_object_item_del(it);
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}
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void /* underflow callback */
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_underflow_cb(void        *data EINA_UNUSED,
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              Evas_Object *obj EINA_UNUSED,
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              void        *event_info EINA_UNUSED)
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{
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   printf("Underflow!\n");
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}
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void /* overflow callback */
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_overflow_cb(void        *data EINA_UNUSED,
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             Evas_Object *obj EINA_UNUSED,
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             void        *event_info EINA_UNUSED)
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{
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   printf("Overflow!\n");
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}
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static Eina_Bool
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_on_keydown(void              *data,
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            Evas_Object       *object EINA_UNUSED,
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            Evas_Object       *src EINA_UNUSED,
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            Evas_Callback_Type type,
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            void              *event_info)
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{
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   Evas_Object *fs = data;
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   Evas_Event_Key_Down *ev = event_info;
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   if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
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   if (strcmp(ev->keyname, "h") == 0) /* print help */
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     {
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        printf("%s", commands);
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     }
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   else if (strcmp(ev->keyname, "n") == 0) /* flip to next item */
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     {
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        elm_flipselector_flip_next(fs);
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        printf("Flipping to next item\n");
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     }
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   else if (strcmp(ev->keyname, "p") == 0) /* flip to previous item */
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     {
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        elm_flipselector_flip_prev(fs);
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        printf("Flipping to previous item\n");
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     }
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   else if (strcmp(ev->keyname, "f") == 0) /* print first item's label */
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     {
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        Elm_Object_Item *it;
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        it = elm_flipselector_first_item_get(fs);
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        printf("Flip selector's first item is: %s\n", it ?
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                elm_object_item_text_get(it) : "none");
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     }
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   else if (strcmp(ev->keyname, "l") == 0) /* print last item's label */
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     {
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        Elm_Object_Item *it;
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        it = elm_flipselector_last_item_get(fs);
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        printf("Flip selector's last item is: %s\n", it ?
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                elm_object_item_text_get(it) : "none");
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     }
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   else if (strcmp(ev->keyname, "s") == 0) /* print selected item's label */
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     {
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        Elm_Object_Item *it;
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        it = elm_flipselector_selected_item_get(fs);
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        printf("Flip selector's selected item is: %s\n", it ?
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                elm_object_item_text_get(it) : "none");
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     }
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   else
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     return EINA_FALSE;
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   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
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   return EINA_TRUE;
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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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   unsigned int i;
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   Evas_Object *win, *bx, *fp, *bt;
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   static const char *lbl[] =
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     {
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        "Elementary",
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        "Evas",
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        "Eina",
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        "Edje",
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        "Eet",
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        "Ecore",
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        "Efreet",
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        "Eldbus"
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     };
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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("flipselector", "Flip Selector Example");
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   elm_win_autodel_set(win, EINA_TRUE);
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   bx = elm_box_add(win);
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   evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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   elm_win_resize_object_add(win, bx);
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   evas_object_show(bx);
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   fp = elm_flipselector_add(win);
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   evas_object_size_hint_weight_set(fp, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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   evas_object_smart_callback_add(fp, "underflowed", _overflow_cb, NULL);
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   evas_object_smart_callback_add(fp, "overflowed", _underflow_cb, NULL);
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   for (i = 0; i < sizeof(lbl) / sizeof(lbl[0]); i++)
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     elm_flipselector_item_append(fp, lbl[i], NULL, NULL);
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   elm_box_pack_end(bx, fp);
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   evas_object_show(fp);
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   bt = elm_button_add(win);
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   elm_object_text_set(bt, "Unselect item");
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   evas_object_smart_callback_add(bt, "clicked", _unsel_cb, fp);
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   elm_box_pack_end(bx, 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 item");
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   evas_object_smart_callback_add(bt, "clicked", _del_cb, fp);
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   elm_box_pack_end(bx, bt);
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   evas_object_show(bt);
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   elm_object_event_callback_add(win, _on_keydown, fp);
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   evas_object_show(win);
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   printf("%s", commands);
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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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