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 #ifdef HAVE_CONFIG_H
  14 # include "elementary_config.h"
  15 #else
  16 # define __UNUSED__
  17 # define PACKAGE_DATA_DIR "../../data"
  18 #endif
  19
  20 static const char *items[] = \
  21 {
  22    "Judith",
  23    "Paulina",
  24    "Cathy",
  25    "Vendella",
  26    "Naomi",
  27    "Ashley",
  28    "Stacey",
  29    "Gail"
  30 };
  31
  32 static void
  33 _index_changed(void        *data __UNUSED__,
  34                Evas_Object *obj __UNUSED__,
  35                void        *event_info)
  36 {
  37    elm_gengrid_item_bring_in(event_info, ELM_GENGRID_ITEM_SCROLLTO_IN);
  38 }
  39
  40 static void
  41 _on_done(void        *data __UNUSED__,
  42          Evas_Object *obj __UNUSED__,
  43          void        *event_info __UNUSED__)
  44 {
  45    elm_exit();
  46 }
  47
  48 static char *
  49 _grid_label_get(void        *data,
  50                 Evas_Object *obj __UNUSED__,
  51                 const char  *part __UNUSED__)
  52 {
  53    int idx = (int)data;
  54    return strdup(items[idx]);
  55 }
  56
  57 Evas_Object *
  58 _grid_content_get(void        *data __UNUSED__,
  59                Evas_Object *obj,
  60                const char  *part)
  61 {
  62    if (!strcmp(part, "elm.swallow.icon"))
  63      {
  64         char buf[PATH_MAX];
  65         snprintf(buf, sizeof(buf), "%s/images/%s", PACKAGE_DATA_DIR,
  66                  "sky_01.jpg");
  67
  68         Evas_Object *icon = elm_bg_add(obj);
  69         elm_bg_file_set(icon, buf, NULL);
  70         evas_object_size_hint_aspect_set(icon, EVAS_ASPECT_CONTROL_VERTICAL, 1,
  71                                          1);
  72         evas_object_show(icon);
  73         return icon;
  74      }
  75
  76    return NULL;
  77 }
  78
  79 /* ordering alphabetically */
  80 static int
  81 _index_icmp(const void *data1,
  82             const void *data2)
  83 {
  84    const char *label1, *label2;
  85
  86    const Elm_Object_Item *index_it1 = data1;
  87    const Elm_Object_Item *index_it2 = data2;
  88
  89    label1 = elm_index_item_letter_get(index_it1);
  90    label2 = elm_index_item_letter_get(index_it2);
  91
  92    return strcasecmp(label1, label2);
  93 }
  94
  95 int
  96 elm_main(int    argc __UNUSED__,
  97          char **argv __UNUSED__)
  98 {
  99    Evas_Object *win, *bg, *grid, *index;
 100    Elm_Object_Item *gg_it;
 101    unsigned int i;
 102
 103    Elm_Gengrid_Item_Class gic;
 104
 105    win = elm_win_add(NULL, "index", ELM_WIN_BASIC);
 106    elm_win_title_set(win, "Index Example");
 107    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 108
 109    bg = elm_bg_add(win);
 110    elm_win_resize_object_add(win, bg);
 111    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 112    evas_object_show(bg);
 113
 114    grid = elm_gengrid_add(win);
 115    elm_gengrid_item_size_set(grid, 150, 150);
 116
 117    gic.item_style = "default";
 118    gic.func.text_get = _grid_label_get;
 119    gic.func.content_get = _grid_content_get;
 120    gic.func.state_get = NULL;
 121    gic.func.del = NULL;
 122
 123    evas_object_size_hint_weight_set(grid, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 124    elm_win_resize_object_add(win, grid);
 125    evas_object_show(grid);
 126
 127    index = elm_index_add(win);
 128    evas_object_size_hint_weight_set(index, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 129    elm_win_resize_object_add(win, index);
 130
 131    evas_object_show(index);
 132
 133    for (i = 0; i < (sizeof(items) / sizeof(items[0])); i++)
 134      {
 135         char buf[32];
 136
 137         gg_it = elm_gengrid_item_append(grid, &gic, (void *)i, NULL, NULL);
 138
 139         /* indexing by first letters */
 140         snprintf(buf, sizeof(buf), "%c", items[i][0]);
 141         elm_index_item_sorted_insert(index, buf, NULL, gg_it, _index_icmp, NULL);
 142      }
 143
 144    evas_object_smart_callback_add(index, "delay,changed", _index_changed, NULL);
 145
 146    evas_object_resize(win, 320, 300);
 147    evas_object_show(win);
 148
 149    elm_index_active_set(index, EINA_TRUE);
 150
 151    elm_run();
 152    return 0;
 153 }
 154
 155 ELM_MAIN()