src/examples/index_example_02.c

   1 /**
   2  * Simple Elementary's <b>index widget</b> example, illustrating its
   3  * usage and API -- now with sorted insertions.
   4  *
   5  * See stdout/stderr for output. Compile with:
   6  *
   7  * @verbatim
   8  * gcc -g `pkg-config --cflags --libs elementary` index_example.c -o index_example
   9  * @endverbatim
  10  */
  11
  12 #include <Elementary.h>
  13 #define DATA_DIR "../../data"
  14
  15 static const char *items[] = \
  16 {
  17    "Judith",
  18    "Paulina",
  19    "Cathy",
  20    "Vendella",
  21    "Naomi",
  22    "Ashley",
  23    "Stacey",
  24    "Gail"
  25 };
  26
  27 static void
  28 _index_changed(void        *data,
  29                Evas_Object *obj,
  30                void        *event_info)
  31 {
  32    elm_gengrid_item_bring_in(event_info, ELM_GENGRID_ITEM_SCROLLTO_IN);
  33 }
  34
  35 static void
  36 _on_done(void        *data,
  37          Evas_Object *obj,
  38          void        *event_info)
  39 {
  40    elm_exit();
  41 }
  42
  43 static char *
  44 _grid_label_get(void        *data,
  45                 Evas_Object *obj,
  46                 const char  *part)
  47 {
  48    int idx = (int)data;
  49    return strdup(items[idx]);
  50 }
  51
  52 Evas_Object *
  53 _grid_content_get(void        *data,
  54                Evas_Object *obj,
  55                const char  *part)
  56 {
  57    if (!strcmp(part, "elm.swallow.icon"))
  58      {
  59         char buf[PATH_MAX];
  60         snprintf(buf, sizeof(buf), "%s/images/%s", DATA_DIR,
  61                  "sky_01.jpg");
  62
  63         Evas_Object *icon = elm_bg_add(obj);
  64         elm_bg_file_set(icon, buf, NULL);
  65         evas_object_size_hint_aspect_set(icon, EVAS_ASPECT_CONTROL_VERTICAL, 1,
  66                                          1);
  67         evas_object_show(icon);
  68         return icon;
  69      }
  70
  71    return NULL;
  72 }
  73
  74 /* ordering alphabetically */
  75 static int
  76 _index_icmp(const void *data1,
  77             const void *data2)
  78 {
  79    const char *label1, *label2;
  80
  81    const Elm_Object_Item *index_it1 = data1;
  82    const Elm_Object_Item *index_it2 = data2;
  83
  84    label1 = elm_index_item_letter_get(index_it1);
  85    label2 = elm_index_item_letter_get(index_it2);
  86
  87    return strcasecmp(label1, label2);
  88 }
  89
  90 EAPI_MAIN int
  91 elm_main(int    argc,
  92          char **argv)
  93 {
  94    Evas_Object *win, *bg, *grid, *idx;
  95    Elm_Object_Item *gg_it;
  96    unsigned int i;
  97
  98    Elm_Gengrid_Item_Class gic;
  99
 100    win = elm_win_add(NULL, "index", ELM_WIN_BASIC);
 101    elm_win_title_set(win, "Index Example");
 102    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 103
 104    bg = elm_bg_add(win);
 105    elm_win_resize_object_add(win, bg);
 106    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 107    evas_object_show(bg);
 108
 109    grid = elm_gengrid_add(win);
 110    elm_gengrid_item_size_set(grid, 150, 150);
 111
 112    gic.item_style = "default";
 113    gic.func.text_get = _grid_label_get;
 114    gic.func.content_get = _grid_content_get;
 115    gic.func.state_get = NULL;
 116    gic.func.del = NULL;
 117
 118    evas_object_size_hint_weight_set(grid, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 119    elm_win_resize_object_add(win, grid);
 120    evas_object_show(grid);
 121
 122    idx = elm_index_add(win);
 123    evas_object_size_hint_weight_set(idx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 124    elm_win_resize_object_add(win, idx);
 125
 126    evas_object_show(idx);
 127
 128    for (i = 0; i < (sizeof(items) / sizeof(items[0])); i++)
 129      {
 130         char buf[32];
 131
 132         gg_it = elm_gengrid_item_append(grid, &gic, (void *)i, NULL, NULL);
 133
 134         /* indexing by first letters */
 135         snprintf(buf, sizeof(buf), "%c", items[i][0]);
 136         elm_index_item_sorted_insert(idx, buf, NULL, gg_it, _index_icmp, NULL);
 137      }
 138
 139    evas_object_smart_callback_add(idx, "delay,changed", _index_changed, NULL);
 140
 141    evas_object_resize(win, 320, 300);
 142    evas_object_show(win);
 143
 144    elm_index_autohide_disabled_set(idx, EINA_FALSE);
 145
 146    elm_run();
 147    elm_shutdown();
 148
 149    return 0;
 150 }
 151 ELM_MAIN()