src/examples/list_example_03.c

   1 /**
   2  * Elementary's <b>list widget</b> example, illustrating its API,
   3  * covering most of item functions.
   4  *
   5  * See stdout/stderr for output. Compile with:
   6  *
   7  * @verbatim
   8  * gcc -g `pkg-config --cflags --libs elementary` list_example_03.c -o list_example_03
   9  * @endverbatim
  10  */
  11
  12 #include <Elementary.h>
  13 #ifdef HAVE_CONFIG_H
  14 # include "elementary_config.h"
  15 #else
  16 # define __UNUSED__
  17 #endif
  18
  19 static int counter = 3;
  20
  21 static void
  22 _on_done(void        *data __UNUSED__,
  23          Evas_Object *obj __UNUSED__,
  24          void        *event_info __UNUSED__)
  25 {
  26    elm_exit();
  27 }
  28
  29 static void
  30 _prepend_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
  31 {
  32    Elm_Object_Item *list_it;
  33    Evas_Object *li = data;
  34    char label[32];
  35
  36    snprintf(label, sizeof(label), "Item %i", counter++);
  37    list_it = elm_list_item_prepend(li, label, NULL, NULL, NULL, NULL);
  38    if (!list_it)
  39      printf("Error adding item\n");
  40 }
  41
  42 static void
  43 _add_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
  44 {
  45    Elm_Object_Item *list_it;
  46    Evas_Object *li = data;
  47    char label[32];
  48
  49    snprintf(label, sizeof(label), "Item %i", counter++);
  50    list_it = elm_list_item_append(li, label, NULL, NULL, NULL, NULL);
  51    if (!list_it)
  52      printf("Error adding item\n");
  53 }
  54
  55 static void
  56 _add_ic_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
  57 {
  58    Elm_Object_Item *list_it;
  59    Evas_Object *ic, *li = data;
  60    char label[32];
  61
  62    snprintf(label, sizeof(label), "Item %i", counter++);
  63    ic = elm_icon_add(li);
  64    elm_icon_standard_set(ic, "home");
  65 <<<<<<< HEAD
  66    elm_icon_scale_set(ic, EINA_FALSE, EINA_FALSE);
  67 =======
  68    elm_icon_resizable_set(ic, EINA_FALSE, EINA_FALSE);
  69 >>>>>>> remotes/origin/upstream
  70
  71    list_it = elm_list_item_append(li, label, ic,  NULL, NULL, NULL);
  72    if (!list_it)
  73      printf("Error adding item with icon\n");
  74 }
  75
  76 static void
  77 _sel_cb(void *data __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
  78 {
  79    Elm_Object_Item *list_it = event_info;
  80    printf("Selected label: %s\n", elm_object_item_text_get(list_it));
  81 }
  82
  83 static void
  84 _add_func_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
  85 {
  86    Elm_Object_Item *list_it;
  87    Evas_Object *li = data;
  88    char label[32];
  89
  90    snprintf(label, sizeof(label), "Item %i", counter++);
  91    list_it = elm_list_item_append(li, label, NULL, NULL, _sel_cb, NULL);
  92    if (!list_it)
  93      printf("Error adding item\n");
  94 }
  95
  96 static void
  97 _sel_data_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info)
  98 {
  99    char *content = data;
 100    Elm_Object_Item *list_it = event_info;
 101    printf("Selected label: %s with data: %s\n",
 102           elm_object_item_text_get(list_it), content);
 103 }
 104
 105 static void
 106 _free_data(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 107 {
 108    free(data);
 109 }
 110
 111 static void
 112 _add_data_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 113 {
 114    Elm_Object_Item *list_it;
 115    Evas_Object *li = data;
 116    char label[32];
 117    char *content = malloc(sizeof(char) * 32);
 118
 119    snprintf(content, 32, "Item content %i", counter);
 120    snprintf(label, sizeof(label), "Item %i", counter++);
 121    list_it = elm_list_item_append(li, label, NULL, NULL, _sel_data_cb, content);
 122    if (!list_it) {
 123      printf("Error adding item\n");
 124      return;
 125    }
 126    elm_object_item_del_cb_set(list_it, _free_data);
 127 }
 128
 129 static void
 130 _del_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 131 {
 132    Elm_Object_Item *selected_item;
 133    Evas_Object *li = data;
 134
 135    selected_item = elm_list_selected_item_get(li);
 136    elm_object_item_del(selected_item);
 137 }
 138
 139 static void
 140 _unselect_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 141 {
 142    Elm_Object_Item *selected_item;
 143    Evas_Object *li = data;
 144
 145    selected_item = elm_list_selected_item_get(li);
 146    elm_list_item_selected_set(selected_item, EINA_FALSE);
 147 }
 148
 149 static void
 150 _print_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 151 {
 152    const Eina_List *l, *items;
 153    Elm_Object_Item *list_it;
 154    Evas_Object *li = data;
 155
 156    items = elm_list_items_get(li);
 157    EINA_LIST_FOREACH(items, l, list_it)
 158      printf("%s\n", elm_object_item_text_get(list_it));
 159 }
 160
 161 static void
 162 _clear_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 163 {
 164    Evas_Object *li = data;
 165    elm_list_clear(li);
 166 }
 167
 168 static void
 169 _select_next_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 170 {
 171    Elm_Object_Item *selected_item, *next_item;
 172    Evas_Object *li = data;
 173
 174    selected_item = elm_list_selected_item_get(li);
 175    if (!selected_item) return;
 176
 177    next_item = elm_list_item_next(selected_item);
 178    if (next_item)
 179      elm_list_item_selected_set(next_item, EINA_TRUE);
 180 }
 181
 182 static void
 183 _insert_after_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 184 {
 185    Elm_Object_Item *selected_item, *list_it;
 186    Evas_Object *li = data;
 187    char label[32];
 188
 189    selected_item = elm_list_selected_item_get(li);
 190    if (!selected_item) return;
 191
 192    snprintf(label, sizeof(label), "Item %i", counter++);
 193    list_it = elm_list_item_insert_after(li, selected_item, label, NULL, NULL,
 194                                         NULL, NULL);
 195    if (!list_it)
 196      printf("Error adding item\n");
 197 }
 198
 199 static void
 200 _select_prev_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 201 {
 202    Elm_Object_Item *selected_item, *prev_item;
 203    Evas_Object *li = data;
 204
 205    selected_item = elm_list_selected_item_get(li);
 206    if (!selected_item) return;
 207
 208    prev_item = elm_list_item_prev(selected_item);
 209    if (prev_item)
 210      elm_list_item_selected_set(prev_item, EINA_TRUE);
 211 }
 212
 213 static void
 214 _insert_before_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 215 {
 216    Elm_Object_Item *selected_item, *list_it;
 217    Evas_Object *li = data;
 218    char label[32];
 219
 220    selected_item = elm_list_selected_item_get(li);
 221    if (!selected_item) return;
 222
 223    snprintf(label, sizeof(label), "Item %i", counter++);
 224    list_it = elm_list_item_insert_before(li, selected_item, label, NULL, NULL,
 225                                     NULL, NULL);
 226    if (!list_it)
 227      printf("Error adding item\n");
 228 }
 229
 230 static void
 231 _set_separator_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 232 {
 233    Elm_Object_Item *selected_item;
 234    Evas_Object *li = data;
 235
 236    selected_item = elm_list_selected_item_get(li);
 237    if (!selected_item) return;
 238    elm_list_item_separator_set(selected_item, EINA_TRUE);
 239 }
 240
 241 static void
 242 _disable_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 243 {
 244    Elm_Object_Item *selected_item;
 245    Evas_Object *li = data;
 246
 247    selected_item = elm_list_selected_item_get(li);
 248    if (!selected_item) return;
 249    elm_list_item_disabled_set(selected_item, EINA_TRUE);
 250 }
 251
 252 EAPI_MAIN int
 253 elm_main(int argc __UNUSED__, char **argv __UNUSED__)
 254 {
 255    Evas_Object *win, *bg, *bx, *hbx, *li, *bt;
 256
 257    win = elm_win_add(NULL, "list", ELM_WIN_BASIC);
 258    elm_win_title_set(win, "List Items Example");
 259    evas_object_smart_callback_add(win, "delete,request", _on_done, NULL);
 260
 261    bg = elm_bg_add(win);
 262    elm_win_resize_object_add(win, bg);
 263    evas_object_size_hint_weight_set(bg, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 264    evas_object_show(bg);
 265
 266    bx = elm_box_add(win);
 267    evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 268    elm_win_resize_object_add(win, bx);
 269    evas_object_show(bx);
 270
 271    li = elm_list_add(win);
 272    evas_object_size_hint_weight_set(li, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 273    evas_object_size_hint_align_set(li, EVAS_HINT_FILL, EVAS_HINT_FILL);
 274    elm_box_pack_end(bx, li);
 275
 276    elm_list_item_append(li, "Item 0", NULL, NULL, NULL, NULL);
 277    elm_list_item_append(li, "Item 1", NULL, NULL, NULL, NULL);
 278    elm_list_item_append(li, "Item 2", NULL, NULL, NULL, NULL);
 279
 280    hbx = elm_box_add(win);
 281    elm_box_horizontal_set(hbx, EINA_TRUE);
 282    evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, 0);
 283    evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, 0);
 284    elm_box_pack_end(bx, hbx);
 285    evas_object_show(hbx);
 286
 287    bt = elm_button_add(win);
 288    elm_object_text_set(bt, "Prepend item");
 289    evas_object_smart_callback_add(bt, "clicked", _prepend_cb, li);
 290    elm_box_pack_end(hbx, bt);
 291    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 292    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 293    evas_object_show(bt);
 294
 295    bt = elm_button_add(win);
 296    elm_object_text_set(bt, "Append item");
 297    evas_object_smart_callback_add(bt, "clicked", _add_cb, li);
 298    elm_box_pack_end(hbx, bt);
 299    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 300    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 301    evas_object_show(bt);
 302
 303    hbx = elm_box_add(win);
 304    elm_box_horizontal_set(hbx, EINA_TRUE);
 305    evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, 0);
 306    evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, 0);
 307    elm_box_pack_end(bx, hbx);
 308    evas_object_show(hbx);
 309
 310    bt = elm_button_add(win);
 311    elm_object_text_set(bt, "Append with icon");
 312    evas_object_smart_callback_add(bt, "clicked", _add_ic_cb, li);
 313    elm_box_pack_end(hbx, bt);
 314    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 315    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 316    evas_object_show(bt);
 317
 318    bt = elm_button_add(win);
 319    elm_object_text_set(bt, "Append with selected function");
 320    evas_object_smart_callback_add(bt, "clicked", _add_func_cb, li);
 321    elm_box_pack_end(hbx, bt);
 322    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 323    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 324    evas_object_show(bt);
 325
 326    bt = elm_button_add(win);
 327    elm_object_text_set(bt, "Append with data");
 328    evas_object_smart_callback_add(bt, "clicked", _add_data_cb, li);
 329    elm_box_pack_end(hbx, bt);
 330    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 331    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 332    evas_object_show(bt);
 333
 334    hbx = elm_box_add(win);
 335    elm_box_horizontal_set(hbx, EINA_TRUE);
 336    evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, 0);
 337    evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, 0);
 338    elm_box_pack_end(bx, hbx);
 339    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 340    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 341    evas_object_show(hbx);
 342
 343    bt = elm_button_add(win);
 344    elm_object_text_set(bt, "Delete item");
 345    evas_object_smart_callback_add(bt, "clicked", _del_cb, li);
 346    elm_box_pack_end(hbx, bt);
 347    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 348    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 349    evas_object_show(bt);
 350
 351    bt = elm_button_add(win);
 352    elm_object_text_set(bt, "Unselect item");
 353    evas_object_smart_callback_add(bt, "clicked", _unselect_cb, li);
 354    elm_box_pack_end(hbx, bt);
 355    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 356    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 357    evas_object_show(bt);
 358
 359    bt = elm_button_add(win);
 360    elm_object_text_set(bt, "Print items");
 361    evas_object_smart_callback_add(bt, "clicked", _print_cb, li);
 362    elm_box_pack_end(hbx, bt);
 363    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 364    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 365    evas_object_show(bt);
 366
 367    bt = elm_button_add(win);
 368    elm_object_text_set(bt, "Clear");
 369    evas_object_smart_callback_add(bt, "clicked", _clear_cb, li);
 370    elm_box_pack_end(hbx, bt);
 371    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 372    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 373    evas_object_show(bt);
 374
 375    hbx = elm_box_add(win);
 376    elm_box_horizontal_set(hbx, EINA_TRUE);
 377    evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, 0);
 378    evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, 0);
 379    elm_box_pack_end(bx, hbx);
 380    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 381    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 382    evas_object_show(hbx);
 383
 384    bt = elm_button_add(win);
 385    elm_object_text_set(bt, "Select next item");
 386    evas_object_smart_callback_add(bt, "clicked", _select_next_cb, li);
 387    elm_box_pack_end(hbx, bt);
 388    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 389    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 390    evas_object_show(bt);
 391
 392    bt = elm_button_add(win);
 393    elm_object_text_set(bt, "Insert after item");
 394    evas_object_smart_callback_add(bt, "clicked", _insert_after_cb, li);
 395    elm_box_pack_end(hbx, bt);
 396    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 397    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 398    evas_object_show(bt);
 399
 400    bt = elm_button_add(win);
 401    elm_object_text_set(bt, "Select previous item");
 402    evas_object_smart_callback_add(bt, "clicked", _select_prev_cb, li);
 403    elm_box_pack_end(hbx, bt);
 404    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 405    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 406    evas_object_show(bt);
 407
 408    bt = elm_button_add(win);
 409    elm_object_text_set(bt, "Insert before item");
 410    evas_object_smart_callback_add(bt, "clicked", _insert_before_cb, li);
 411    elm_box_pack_end(hbx, bt);
 412    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 413    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 414    evas_object_show(bt);
 415
 416    hbx = elm_box_add(win);
 417    elm_box_horizontal_set(hbx, EINA_TRUE);
 418    evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, 0);
 419    evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, 0);
 420    elm_box_pack_end(bx, hbx);
 421    evas_object_show(hbx);
 422
 423    bt = elm_button_add(win);
 424    elm_object_text_set(bt, "Set as separator");
 425    evas_object_smart_callback_add(bt, "clicked", _set_separator_cb, li);
 426    elm_box_pack_end(hbx, bt);
 427    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 428    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 429    evas_object_show(bt);
 430
 431    bt = elm_button_add(win);
 432    elm_object_text_set(bt, "Disable item");
 433    evas_object_smart_callback_add(bt, "clicked", _disable_cb, li);
 434    elm_box_pack_end(hbx, bt);
 435    evas_object_size_hint_weight_set(bt, EVAS_HINT_EXPAND, 0);
 436    evas_object_size_hint_align_set(bt, EVAS_HINT_FILL, 0);
 437    evas_object_show(bt);
 438
 439    elm_list_go(li);
 440    evas_object_show(li);
 441
 442    evas_object_resize(win, 320, 600);
 443    evas_object_show(win);
 444
 445    elm_run();
 446    return 0;
 447 }
 448 ELM_MAIN()