src/lib/elm_index.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3 #include "els_box.h"
   4 #include "elm_widget_index.h"
   5
   6 EAPI const char ELM_INDEX_SMART_NAME[] = "elm_index";
   7
   8 #define INDEX_DELAY_CHANGE_TIME 0.2
   9
  10 static const char SIG_CHANGED[] = "changed";
  11 static const char SIG_DELAY_CHANGED[] = "delay,changed";
  12 static const char SIG_SELECTED[] = "selected";
  13 static const char SIG_LEVEL_UP[] = "level,up";
  14 static const char SIG_LEVEL_DOWN[] = "level,down";
  15 static const char SIG_LANG_CHANGED[] = "language,changed";
  16
  17 static const Evas_Smart_Cb_Description _smart_callbacks[] = {
  18    {SIG_CHANGED, ""},
  19    {SIG_DELAY_CHANGED, ""},
  20    {SIG_SELECTED, ""},
  21    {SIG_LEVEL_UP, ""},
  22    {SIG_LEVEL_DOWN, ""},
  23    {SIG_LANG_CHANGED, ""},
  24    {NULL, NULL}
  25 };
  26
  27 EVAS_SMART_SUBCLASS_NEW
  28   (ELM_INDEX_SMART_NAME, _elm_index, Elm_Index_Smart_Class,
  29   Elm_Layout_Smart_Class, elm_layout_smart_class_get, _smart_callbacks);
  30
  31 static Eina_Bool
  32 _elm_index_smart_translate(Evas_Object *obj)
  33 {
  34    evas_object_smart_callback_call(obj, SIG_LANG_CHANGED, NULL);
  35    return EINA_TRUE;
  36 }
  37
  38 static void
  39 _item_free(Elm_Index_Item *it)
  40 {
  41    ELM_INDEX_DATA_GET(WIDGET(it), sd);
  42
  43    sd->items = eina_list_remove(sd->items, it);
  44
  45    if (it->omitted)
  46      it->omitted = eina_list_free(it->omitted);
  47
  48    if (it->letter)
  49      eina_stringshare_del(it->letter);
  50 }
  51
  52 static void
  53 _box_custom_layout(Evas_Object *o,
  54                    Evas_Object_Box_Data *priv,
  55                    void *data)
  56 {
  57    Elm_Index_Smart_Data *sd = data;
  58
  59    _els_box_layout(o, priv, sd->horizontal, 1, 0);
  60 }
  61
  62 static void
  63 _index_box_clear(Evas_Object *obj,
  64                  Evas_Object *box __UNUSED__,
  65                  int level)
  66 {
  67    Eina_List *l;
  68    Elm_Index_Item *it;
  69
  70    ELM_INDEX_DATA_GET(obj, sd);
  71
  72    if (!sd->level_active[level]) return;
  73
  74    EINA_LIST_FOREACH(sd->items, l, it)
  75      {
  76         if (!VIEW(it)) continue;
  77         if (it->level != level) continue;
  78
  79         evas_object_del(VIEW(it));
  80         VIEW(it) = NULL;
  81      }
  82
  83    sd->level_active[level] = 0;
  84 }
  85
  86 static char *
  87 _access_info_cb(void *data, Evas_Object *obj __UNUSED__)
  88 {
  89    const char *txt = NULL;
  90
  91    Elm_Index_Item *it = (Elm_Index_Item *)data;
  92    ELM_INDEX_ITEM_CHECK_OR_RETURN(it, NULL);
  93
  94    txt = elm_widget_access_info_get(obj);
  95    if (!txt) txt = it->letter;
  96    if (txt) return strdup(txt);
  97
  98    return NULL;
  99 }
 100
 101 static void
 102 _access_widget_item_activate_cb(void *data __UNUSED__,
 103                                 Evas_Object *part_obj __UNUSED__,
 104                                 Elm_Object_Item *it)
 105 {
 106    evas_object_smart_callback_call(WIDGET(it), SIG_SELECTED, it);
 107 }
 108
 109 static void
 110 _access_widget_item_register(Elm_Index_Item *it)
 111 {
 112    Elm_Access_Info *ai;
 113
 114    _elm_access_widget_item_register((Elm_Widget_Item *)it);
 115
 116    ai = _elm_access_object_get(it->base.access_obj);
 117
 118    _elm_access_text_set(ai, ELM_ACCESS_TYPE, E_("Index Item"));
 119    _elm_access_callback_set(ai, ELM_ACCESS_INFO, _access_info_cb, it);
 120    _elm_access_activate_callback_set
 121      (ai, _access_widget_item_activate_cb, NULL);
 122 }
 123
 124 static void
 125 _omit_calc(void *data, int num_of_items, int max_num_of_items)
 126 {
 127    Elm_Index_Smart_Data *sd = data;
 128    int max_group_num, num_of_extra_items, i, g, size, sum, *group_pos, *omit_info;
 129    Elm_Index_Omit *o;
 130    Elm_Index_Item *it;
 131    Eina_List *l;
 132
 133    EINA_LIST_FREE(sd->omit, o)
 134      free(o);
 135
 136    EINA_LIST_FOREACH(sd->items, l, it)
 137      {
 138         if (it->omitted)
 139           it->omitted = eina_list_free(it->omitted);
 140         if (it->head) it->head = NULL;
 141      }
 142
 143    if ((max_num_of_items < 3) || (num_of_items <= max_num_of_items)) return;
 144
 145    max_group_num = (max_num_of_items - 1) / 2;
 146    num_of_extra_items = num_of_items - max_num_of_items;
 147
 148    group_pos = (int *)malloc(sizeof(int) * max_group_num);
 149    omit_info = (int *)malloc(sizeof(int) * max_num_of_items);
 150
 151    if (num_of_extra_items >= max_group_num)
 152      {
 153         g = 1;
 154         for (i = 0; i < max_group_num; i++)
 155           {
 156              group_pos[i] = g;
 157              g += 2;
 158           }
 159      }
 160    else
 161      {
 162         size = max_num_of_items / (num_of_extra_items + 1);
 163         g = size;
 164         for (i = 0; i < num_of_extra_items; i++)
 165           {
 166              group_pos[i] = g;
 167              g += size;
 168           }
 169      }
 170    for (i = 0; i < max_num_of_items; i++)
 171      omit_info[i] = 1;
 172    for (i = 0; i < num_of_extra_items; i++)
 173      omit_info[group_pos[i % max_group_num]]++;
 174
 175    sum = 0;
 176    for (i = 0; i < max_num_of_items; i++)
 177      {
 178         if (omit_info[i] > 1)
 179           {
 180              o = (Elm_Index_Omit *)malloc(sizeof(Elm_Index_Omit));
 181              o->offset = sum;
 182              o->count = omit_info[i];
 183              sd->omit = eina_list_append(sd->omit, o);
 184           }
 185         sum += omit_info[i];
 186      }
 187
 188    free(group_pos);
 189    free(omit_info);
 190 }
 191
 192 // FIXME: always have index filled
 193 static void
 194 _index_box_auto_fill(Evas_Object *obj,
 195                      Evas_Object *box,
 196                      int level)
 197 {
 198    int i = 0, max_num_of_items = 0, num_of_items = 0, g = 0, skip = 0;
 199    Eina_List *l;
 200    Eina_Bool rtl;
 201    Elm_Index_Item *it, *head = NULL;
 202    Evas_Coord mw, mh, ih;
 203    Evas_Object *o;
 204    Elm_Index_Omit *om;
 205
 206    ELM_INDEX_DATA_GET(obj, sd);
 207
 208    if (sd->level_active[level]) return;
 209
 210    evas_object_geometry_get(ELM_WIDGET_DATA(sd)->resize_obj, NULL, NULL, NULL, &ih);
 211
 212    rtl = elm_widget_mirrored_get(obj);
 213
 214    if (sd->omit_enabled)
 215      {
 216         o = edje_object_add(evas_object_evas_get(obj));
 217         elm_widget_theme_object_set
 218            (obj, o, "index", "item/vertical",
 219             elm_widget_style_get(obj));
 220
 221         edje_object_size_min_restricted_calc(o, NULL, &mh, 0, 0);
 222
 223         EINA_LIST_FOREACH(sd->items, l, it)
 224            if (it->level == level) num_of_items++;
 225
 226         if (mh != 0)
 227           max_num_of_items = ih / mh;
 228
 229         _omit_calc(sd, num_of_items, max_num_of_items);
 230      }
 231
 232    om = eina_list_nth(sd->omit, g);
 233    EINA_LIST_FOREACH(sd->items, l, it)
 234      {
 235         const char *stacking;
 236
 237         if (it->level != level) continue;
 238
 239         if ((om) && (i == om->offset))
 240           {
 241              skip = om->count;
 242              skip--;
 243              head = it;
 244              it->head = head;
 245              head->omitted = eina_list_append(head->omitted, it);
 246              om = eina_list_nth(sd->omit, ++g);
 247           }
 248         else if (skip > 0)
 249           {
 250              skip--;
 251              i++;
 252              if (head)
 253                {
 254                   it->head = head;
 255                   head->omitted = eina_list_append(head->omitted, it);
 256                }
 257              continue;
 258           }
 259
 260         o = edje_object_add(evas_object_evas_get(obj));
 261         VIEW(it) = o;
 262         edje_object_mirrored_set(VIEW(it), rtl);
 263
 264         if (sd->horizontal)
 265           {
 266              if (i & 0x1)
 267                elm_widget_theme_object_set
 268                  (obj, o, "index", "item_odd/horizontal",
 269                  elm_widget_style_get(obj));
 270              else
 271                elm_widget_theme_object_set
 272                  (obj, o, "index", "item/horizontal",
 273                  elm_widget_style_get(obj));
 274           }
 275         else
 276           {
 277              if (i & 0x1)
 278                elm_widget_theme_object_set
 279                  (obj, o, "index", "item_odd/vertical",
 280                  elm_widget_style_get(obj));
 281              else
 282                elm_widget_theme_object_set
 283                  (obj, o, "index", "item/vertical",
 284                  elm_widget_style_get(obj));
 285           }
 286
 287         if (skip > 0)
 288           edje_object_part_text_escaped_set(o, "elm.text", "*");
 289         else
 290           edje_object_part_text_escaped_set(o, "elm.text", it->letter);
 291         edje_object_size_min_restricted_calc(o, &mw, &mh, 0, 0);
 292         evas_object_size_hint_min_set(o, mw, mh);
 293         evas_object_size_hint_weight_set(o, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 294         evas_object_size_hint_align_set(o, EVAS_HINT_FILL, EVAS_HINT_FILL);
 295         elm_widget_sub_object_add(obj, o);
 296         evas_object_box_append(box, o);
 297         stacking = edje_object_data_get(o, "stacking");
 298
 299         if (stacking)
 300           {
 301              if (!strcmp(stacking, "below")) evas_object_lower(o);
 302              else if (!strcmp(stacking, "above"))
 303                evas_object_raise(o);
 304           }
 305
 306         evas_object_show(o);
 307
 308         i++;
 309
 310         // ACCESS
 311         if ((it->level == 0) && (_elm_config->access_mode))
 312           _access_widget_item_register(it);
 313      }
 314
 315    // TIZEN ONLY adjust the last item's theme according to winset gui
 316    if (sd->items)
 317      {
 318         it = eina_list_nth(sd->items, i - 1);
 319         edje_object_signal_emit(VIEW(it), "elm,last,item", "elm");
 320      }
 321    // TIZEN ONLY
 322
 323    evas_object_smart_calculate(box);
 324    sd->level_active[level] = 1;
 325 }
 326
 327 static void
 328 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
 329 {
 330    ELM_INDEX_DATA_GET(obj, sd);
 331
 332    if (!sd->horizontal)
 333      edje_object_mirrored_set(ELM_WIDGET_DATA(sd)->resize_obj, rtl);
 334 }
 335
 336 static Eina_Bool
 337 _elm_index_smart_theme(Evas_Object *obj)
 338 {
 339    Evas_Coord minw = 0, minh = 0;
 340    Elm_Index_Item *it;
 341
 342    ELM_INDEX_DATA_GET(obj, sd);
 343
 344    _index_box_clear(obj, sd->bx[0], 0);
 345    _index_box_clear(obj, sd->bx[1], 1);
 346
 347    if (sd->horizontal)
 348      eina_stringshare_replace(&ELM_LAYOUT_DATA(sd)->group, "base/horizontal");
 349    else
 350      {
 351         eina_stringshare_replace(&ELM_LAYOUT_DATA(sd)->group, "base/vertical");
 352         _mirrored_set(obj, elm_widget_mirrored_get(obj));
 353      }
 354
 355    if (!ELM_WIDGET_CLASS(_elm_index_parent_sc)->theme(obj)) return EINA_FALSE;
 356
 357    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 358    evas_object_size_hint_min_set(sd->event[0], minw, minh);
 359
 360    if (edje_object_part_exists
 361          (ELM_WIDGET_DATA(sd)->resize_obj, "elm.swallow.index.1"))
 362      {
 363         if (!sd->bx[1])
 364           {
 365              sd->bx[1] = evas_object_box_add(evas_object_evas_get(obj));
 366              evas_object_box_layout_set
 367                (sd->bx[1], _box_custom_layout, sd, NULL);
 368              elm_widget_sub_object_add(obj, sd->bx[1]);
 369           }
 370         elm_layout_content_set(obj, "elm.swallow.index.1", sd->bx[1]);
 371      }
 372    else if (sd->bx[1])
 373      {
 374         evas_object_del(sd->bx[1]);
 375         sd->bx[1] = NULL;
 376      }
 377    if (edje_object_part_exists
 378          (ELM_WIDGET_DATA(sd)->resize_obj, "elm.swallow.event.1"))
 379      {
 380         if (!sd->event[1])
 381           {
 382              sd->event[1] =
 383                evas_object_rectangle_add(evas_object_evas_get(obj));
 384              evas_object_color_set(sd->event[1], 0, 0, 0, 0);
 385              elm_widget_sub_object_add(obj, sd->event[1]);
 386           }
 387         elm_layout_content_set(obj, "elm.swallow.event.1", sd->event[1]);
 388         evas_object_size_hint_min_set(sd->event[1], minw, minh);
 389      }
 390    else if (sd->event[1])
 391      {
 392         evas_object_del(sd->event[1]);
 393         sd->event[1] = NULL;
 394      }
 395    edje_object_message_signal_process(ELM_WIDGET_DATA(sd)->resize_obj);
 396
 397    elm_layout_sizing_eval(obj);
 398    _index_box_auto_fill(obj, sd->bx[0], 0);
 399
 400    if (sd->autohide_disabled)
 401      {
 402         if (sd->level == 1) _index_box_auto_fill(obj, sd->bx[1], 1);
 403         elm_layout_signal_emit(obj, "elm,state,active", "elm");
 404      }
 405    else elm_layout_signal_emit(obj, "elm,state,inactive", "elm");
 406
 407    it = (Elm_Index_Item *)elm_index_selected_item_get(obj, sd->level);
 408    if (it)
 409      {
 410         if (it->head)
 411           edje_object_signal_emit(VIEW(it->head), "elm,state,active", "elm");
 412         else
 413           edje_object_signal_emit(VIEW(it), "elm,state,active", "elm");
 414      }
 415
 416    return EINA_TRUE;
 417 }
 418
 419 static void
 420 _elm_index_smart_sizing_eval(Evas_Object *obj)
 421 {
 422    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
 423
 424    ELM_INDEX_DATA_GET(obj, sd);
 425
 426    edje_object_size_min_calc(ELM_WIDGET_DATA(sd)->resize_obj, &minw, &minh);
 427    evas_object_size_hint_min_set(obj, minw, minh);
 428    evas_object_size_hint_max_set(obj, maxw, maxh);
 429 }
 430
 431 static Eina_Bool
 432 _item_del_pre_hook(Elm_Object_Item *it)
 433 {
 434    ELM_INDEX_DATA_GET(WIDGET(it), sd);
 435
 436    _item_free((Elm_Index_Item *)it);
 437    _index_box_clear(WIDGET(it), sd->bx[sd->level], sd->level);
 438
 439    return EINA_TRUE;
 440 }
 441
 442 static Elm_Index_Item *
 443 _item_new(Evas_Object *obj,
 444           const char *letter,
 445           Evas_Smart_Cb func,
 446           const void *data)
 447 {
 448    Elm_Index_Item *it;
 449
 450    ELM_INDEX_DATA_GET(obj, sd);
 451
 452    it = elm_widget_item_new(obj, Elm_Index_Item);
 453    if (!it) return NULL;
 454
 455    elm_widget_item_del_pre_hook_set(it, _item_del_pre_hook);
 456    if (letter) it->letter = eina_stringshare_add(letter);
 457    it->func = func;
 458    it->base.data = data;
 459    it->level = sd->level;
 460
 461    return it;
 462 }
 463
 464 static Elm_Index_Item *
 465 _item_find(Evas_Object *obj,
 466            const void *data)
 467 {
 468    Eina_List *l;
 469    Elm_Index_Item *it;
 470
 471    ELM_INDEX_DATA_GET(obj, sd);
 472
 473    EINA_LIST_FOREACH(sd->items, l, it)
 474      if (it->base.data == data) return it;
 475
 476    return NULL;
 477 }
 478
 479 static Eina_Bool
 480 _delay_change_cb(void *data)
 481 {
 482    Elm_Object_Item *item;
 483
 484    ELM_INDEX_DATA_GET(data, sd);
 485
 486    sd->delay = NULL;
 487    item = elm_index_selected_item_get(data, sd->level);
 488    if (item) evas_object_smart_callback_call(data, SIG_DELAY_CHANGED, item);
 489
 490    return ECORE_CALLBACK_CANCEL;
 491 }
 492
 493 static void
 494 _sel_eval(Evas_Object *obj,
 495           Evas_Coord evx,
 496           Evas_Coord evy)
 497 {
 498    Evas_Coord x, y, w, h, bx, by, bw, bh, xx, yy;
 499    Elm_Index_Item *it, *it_closest, *it_last, *om_closest;
 500    char *label = NULL, *last = NULL;
 501    double cdv = 0.5;
 502    Evas_Coord dist;
 503    Eina_List *l;
 504    int i, j, size, dh, dx, dy;
 505
 506    ELM_INDEX_DATA_GET(obj, sd);
 507
 508    for (i = 0; i <= sd->level; i++)
 509      {
 510         it_last = NULL;
 511         it_closest = NULL;
 512         om_closest = NULL;
 513         dist = 0x7fffffff;
 514         evas_object_geometry_get(sd->bx[i], &bx, &by, &bw, &bh);
 515
 516         EINA_LIST_FOREACH(sd->items, l, it)
 517           {
 518              if (it->level != i) continue;
 519              if (it->level != sd->level)
 520                {
 521                   if (it->selected)
 522                     {
 523                        it_closest = it;
 524                        break;
 525                     }
 526                   continue;
 527                }
 528              if (it->selected)
 529                {
 530                   it_last = it;
 531                   it->selected = 0;
 532                }
 533              if (VIEW(it))
 534                {
 535                   evas_object_geometry_get(VIEW(it), &x, &y, &w, &h);
 536                   xx = x + (w / 2);
 537                   yy = y + (h / 2);
 538                   x = evx - xx;
 539                   y = evy - yy;
 540                   x = (x * x) + (y * y);
 541                   if ((x < dist) || (!it_closest))
 542                     {
 543                        if (sd->horizontal)
 544                          cdv = (double)(xx - bx) / (double)bw;
 545                        else
 546                          cdv = (double)(yy - by) / (double)bh;
 547                        it_closest = it;
 548                        dist = x;
 549                     }
 550                }
 551           }
 552         if ((i == 0) && (sd->level == 0))
 553           edje_object_part_drag_value_set
 554             (ELM_WIDGET_DATA(sd)->resize_obj, "elm.dragable.index.1", cdv, cdv);
 555
 556         if (it_closest && it_closest->omitted)
 557           {
 558              it = it_closest;
 559              size = eina_list_count(it->omitted);
 560              evas_object_geometry_get(VIEW(it), &x, &y, &w, &h);
 561              dist = 0x7fffffff;
 562              dh = h / size;
 563              if (dh == 0)
 564                printf("too many index items to omit\n"); //FIXME
 565              else
 566                {
 567                   for (j = 0; j < size; j++)
 568                     {
 569                        xx = x + (w / 2);
 570                        yy = y + (dh * j) + (dh / 2);
 571                        dx = evx - xx;
 572                        dy = evy - yy;
 573                        dx = (dx * dx) + (dy * dy);
 574                        if ((dx < dist) || (!om_closest))
 575                          {
 576                             om_closest = eina_list_nth(it->omitted, j);
 577                             dist = dx;
 578                          }
 579                     }
 580                }
 581           }
 582
 583         if (om_closest) om_closest->selected = 1;
 584         else if (it_closest) it_closest->selected = 1;
 585
 586         if (it_closest != it_last)
 587           {
 588              if (it_last)
 589                {
 590                   const char *stacking, *selectraise;
 591
 592                   it = it_last;
 593                   if (it->head)
 594                     {
 595                        if (it->head != it_closest) it = it->head;
 596                        else it = NULL;
 597                     }
 598                   if (it)
 599                     {
 600                        edje_object_signal_emit
 601                           (VIEW(it), "elm,state,inactive", "elm");
 602                        stacking = edje_object_data_get(VIEW(it), "stacking");
 603                        selectraise = edje_object_data_get(VIEW(it), "selectraise");
 604                        if ((selectraise) && (!strcmp(selectraise, "on")))
 605                          {
 606                             if ((stacking) && (!strcmp(stacking, "below")))
 607                               evas_object_lower(VIEW(it));
 608                          }
 609                     }
 610                }
 611              if (it_closest)
 612                {
 613                   const char *selectraise;
 614
 615                   it = it_closest;
 616
 617                   if (!((it_last) && (it_last->head) && (it_last->head == it_closest)))
 618                     {
 619                        edje_object_signal_emit(VIEW(it), "elm,state,active", "elm");
 620                        selectraise = edje_object_data_get(VIEW(it), "selectraise");
 621                        if ((selectraise) && (!strcmp(selectraise, "on")))
 622                          evas_object_raise(VIEW(it));
 623                     }
 624
 625                   if (om_closest)
 626                     evas_object_smart_callback_call
 627                        (obj, SIG_CHANGED, om_closest);
 628                   else
 629                     evas_object_smart_callback_call
 630                        (obj, SIG_CHANGED, it);
 631                   if (sd->delay) ecore_timer_del(sd->delay);
 632                   sd->delay = ecore_timer_add(sd->delay_change_time,
 633                                               _delay_change_cb, obj);
 634                }
 635           }
 636         if (it_closest)
 637           {
 638              if (om_closest) it = om_closest;
 639              else it = it_closest;
 640              if (!last && it->letter) last = strdup(it->letter);
 641              else
 642                {
 643                   if (!label && last) label = strdup(last);
 644                   else
 645                     {
 646                        if (label && last)
 647                          {
 648                             label = realloc(label, strlen(label) +
 649                                             strlen(last) + 1);
 650                             if (!label) return;
 651                             strcat(label, last);
 652                          }
 653                     }
 654                   free(last);
 655                   if (it->letter) last = strdup(it->letter);
 656                }
 657           }
 658      }
 659    if (!label) label = strdup("");
 660    if (!last) last = strdup("");
 661
 662    elm_layout_text_set(obj, "elm.text.body", label);
 663    elm_layout_text_set(obj, "elm.text", last);
 664
 665    free(label);
 666    free(last);
 667 }
 668
 669 static void
 670 _on_mouse_wheel(void *data __UNUSED__,
 671                 Evas *e __UNUSED__,
 672                 Evas_Object *o __UNUSED__,
 673                 void *event_info __UNUSED__)
 674 {
 675 }
 676
 677 static void
 678 _on_mouse_down(void *data,
 679                Evas *e __UNUSED__,
 680                Evas_Object *o __UNUSED__,
 681                void *event_info)
 682 {
 683    Evas_Event_Mouse_Down *ev = event_info;
 684    Evas_Coord x, y, w;
 685
 686    ELM_INDEX_DATA_GET(data, sd);
 687
 688    if (ev->button != 1) return;
 689    sd->down = 1;
 690    evas_object_geometry_get(ELM_WIDGET_DATA(sd)->resize_obj, &x, &y, &w, NULL);
 691    sd->dx = ev->canvas.x - x;
 692    sd->dy = ev->canvas.y - y;
 693    if (!sd->autohide_disabled)
 694      {
 695         _index_box_clear(data, sd->bx[1], 1);
 696         elm_layout_signal_emit(data, "elm,state,active", "elm");
 697      }
 698    _sel_eval(data, ev->canvas.x, ev->canvas.y);
 699    edje_object_part_drag_value_set
 700      (ELM_WIDGET_DATA(sd)->resize_obj, "elm.dragable.pointer",
 701      (!elm_object_mirrored_get(data)) ? sd->dx : (sd->dx - w), sd->dy);
 702    if (sd->items && !sd->indicator_disabled)
 703      elm_layout_signal_emit(data, "elm,indicator,state,active", "elm");
 704 }
 705
 706 static void
 707 _on_mouse_up(void *data,
 708              Evas *e __UNUSED__,
 709              Evas_Object *o __UNUSED__,
 710              void *event_info)
 711 {
 712    Evas_Event_Mouse_Up *ev = event_info;
 713    Elm_Object_Item *item;
 714    Elm_Index_Item *id_item;
 715
 716    ELM_INDEX_DATA_GET(data, sd);
 717
 718    if (ev->button != 1) return;
 719    sd->down = 0;
 720    item = elm_index_selected_item_get(data, sd->level);
 721    if (item)
 722      {
 723         evas_object_smart_callback_call(data, SIG_SELECTED, item);
 724         id_item = (Elm_Index_Item *)item;
 725         if (id_item->func)
 726           id_item->func((void *)id_item->base.data, WIDGET(id_item), id_item);
 727      }
 728    if (!sd->autohide_disabled)
 729      elm_layout_signal_emit(data, "elm,state,inactive", "elm");
 730
 731    elm_layout_signal_emit(data, "elm,state,level,0", "elm");
 732    if (sd->items && !sd->indicator_disabled)
 733      elm_layout_signal_emit(data, "elm,indicator,state,inactive", "elm");
 734 }
 735
 736 static void
 737 _on_mouse_move(void *data,
 738                Evas *e __UNUSED__,
 739                Evas_Object *o __UNUSED__,
 740                void *event_info)
 741 {
 742    Evas_Event_Mouse_Move *ev = event_info;
 743    Evas_Coord minw = 0, minh = 0, x, y, dx, adx, w;
 744    char buf[1024];
 745
 746    ELM_INDEX_DATA_GET(data, sd);
 747
 748    if (!sd->down) return;
 749    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 750    evas_object_geometry_get(ELM_WIDGET_DATA(sd)->resize_obj, &x, &y, &w, NULL);
 751    x = ev->cur.canvas.x - x;
 752    y = ev->cur.canvas.y - y;
 753    dx = x - sd->dx;
 754    adx = dx;
 755    if (adx < 0) adx = -dx;
 756    edje_object_part_drag_value_set
 757      (ELM_WIDGET_DATA(sd)->resize_obj, "elm.dragable.pointer",
 758      (!edje_object_mirrored_get(ELM_WIDGET_DATA(sd)->resize_obj)) ?
 759      x : (x - w), y);
 760    if (!sd->horizontal)
 761      {
 762         if (adx > minw)
 763           {
 764              if (!sd->level)
 765                {
 766                   sd->level = 1;
 767                   snprintf(buf, sizeof(buf), "elm,state,level,%i", sd->level);
 768                   elm_layout_signal_emit(data, buf, "elm");
 769                   evas_object_smart_callback_call(data, SIG_LEVEL_UP, NULL);
 770                }
 771           }
 772         else
 773           {
 774              if (sd->level == 1)
 775                {
 776                   sd->level = 0;
 777                   snprintf(buf, sizeof(buf), "elm,state,level,%i", sd->level);
 778                   elm_layout_signal_emit(data, buf, "elm");
 779                   evas_object_smart_callback_call(data, SIG_LEVEL_DOWN, NULL);
 780                }
 781           }
 782      }
 783    _sel_eval(data, ev->cur.canvas.x, ev->cur.canvas.y);
 784 }
 785
 786 static void
 787 _access_activate_cb(void *data,
 788                     Evas_Object *part_obj __UNUSED__,
 789                     Elm_Object_Item *item __UNUSED__)
 790 {
 791    Elm_Index_Item *it;
 792    ELM_INDEX_DATA_GET(data, sd);
 793
 794    it = eina_list_nth(sd->items, 0);
 795    _elm_access_highlight_set(it->base.access_obj);
 796    sd->index_focus = EINA_TRUE;
 797 }
 798
 799 static void
 800 _access_index_register(Evas_Object *obj)
 801 {
 802    Evas_Object *ao;
 803    Elm_Access_Info *ai;
 804    elm_widget_can_focus_set(obj, EINA_TRUE);
 805
 806    ao = _elm_access_edje_object_part_object_register
 807               (obj, elm_layout_edje_get(obj), "access");
 808    ai = _elm_access_object_get(ao);
 809
 810    _elm_access_text_set
 811      (ai, ELM_ACCESS_TYPE, E_("Index"));
 812    _elm_access_activate_callback_set
 813      (ai, _access_activate_cb, obj);
 814 }
 815
 816 static void
 817 _index_resize_cb(void *data,
 818                  Evas *e __UNUSED__,
 819                  Evas_Object *obj __UNUSED__,
 820                  void *event_info __UNUSED__)
 821 {
 822    ELM_INDEX_DATA_GET_OR_RETURN(data, sd);
 823
 824    if (!sd->omit_enabled) return;
 825
 826    Elm_Index_Item *it;
 827
 828    _index_box_clear(data, sd->bx[0], 0);
 829    _index_box_auto_fill(data, sd->bx[0], 0);
 830
 831    it = (Elm_Index_Item *)elm_index_selected_item_get(obj, sd->level);
 832    if (it)
 833      {
 834         if (it->head)
 835           edje_object_signal_emit(VIEW(it->head), "elm,state,active", "elm");
 836         else
 837           edje_object_signal_emit(VIEW(it), "elm,state,active", "elm");
 838      }
 839 }
 840
 841 static void
 842 _elm_index_smart_add(Evas_Object *obj)
 843 {
 844    Evas_Object *o;
 845    Evas_Coord minw, minh;
 846
 847    EVAS_SMART_DATA_ALLOC(obj, Elm_Index_Smart_Data);
 848
 849    ELM_WIDGET_CLASS(_elm_index_parent_sc)->base.add(obj);
 850
 851    elm_layout_theme_set
 852      (obj, "index", "base/vertical", elm_widget_style_get(obj));
 853
 854    o = evas_object_rectangle_add(evas_object_evas_get(obj));
 855    priv->event[0] = o;
 856    evas_object_color_set(o, 0, 0, 0, 0);
 857    minw = minh = 0;
 858    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 859    evas_object_size_hint_min_set(o, minw, minh);
 860    elm_layout_content_set(obj, "elm.swallow.event.0", o);
 861    elm_widget_sub_object_add(obj, o);
 862
 863    evas_object_event_callback_add
 864      (obj, EVAS_CALLBACK_RESIZE, _index_resize_cb, obj);
 865    evas_object_event_callback_add
 866      (o, EVAS_CALLBACK_MOUSE_WHEEL, _on_mouse_wheel, obj);
 867    evas_object_event_callback_add
 868      (o, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down, obj);
 869    evas_object_event_callback_add
 870      (o, EVAS_CALLBACK_MOUSE_UP, _on_mouse_up, obj);
 871    evas_object_event_callback_add
 872      (o, EVAS_CALLBACK_MOUSE_MOVE, _on_mouse_move, obj);
 873
 874    if (edje_object_part_exists
 875          (ELM_WIDGET_DATA(priv)->resize_obj, "elm.swallow.event.1"))
 876      {
 877         o = evas_object_rectangle_add(evas_object_evas_get(obj));
 878         priv->event[1] = o;
 879         evas_object_color_set(o, 0, 0, 0, 0);
 880         evas_object_size_hint_min_set(o, minw, minh);
 881         elm_layout_content_set(obj, "elm.swallow.event.1", o);
 882         elm_widget_sub_object_add(obj, o);
 883      }
 884
 885    priv->bx[0] = evas_object_box_add(evas_object_evas_get(obj));
 886    evas_object_box_layout_set(priv->bx[0], _box_custom_layout, priv, NULL);
 887    elm_widget_sub_object_add(obj, priv->bx[0]);
 888    elm_layout_content_set(obj, "elm.swallow.index.0", priv->bx[0]);
 889    evas_object_show(priv->bx[0]);
 890
 891    priv->delay_change_time = INDEX_DELAY_CHANGE_TIME;
 892    priv->omit_enabled = 1;
 893
 894    if (edje_object_part_exists
 895          (ELM_WIDGET_DATA(priv)->resize_obj, "elm.swallow.index.1"))
 896      {
 897         priv->bx[1] = evas_object_box_add(evas_object_evas_get(obj));
 898         evas_object_box_layout_set
 899           (priv->bx[1], _box_custom_layout, priv, NULL);
 900         elm_widget_sub_object_add(obj, priv->bx[1]);
 901         elm_layout_content_set(obj, "elm.swallow.index.1", priv->bx[1]);
 902         evas_object_show(priv->bx[1]);
 903      }
 904
 905    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 906    elm_layout_sizing_eval(obj);
 907    elm_widget_can_focus_set(obj, EINA_FALSE);
 908
 909    // ACCESS
 910    if (_elm_config->access_mode)
 911      {
 912         elm_index_autohide_disabled_set(obj, EINA_TRUE);
 913         elm_layout_signal_emit(obj, "elm,access,state,active", "elm");
 914         _access_index_register(obj);
 915      }
 916 }
 917
 918 static void
 919 _elm_index_smart_del(Evas_Object *obj)
 920 {
 921    Elm_Index_Item *it;
 922    Elm_Index_Omit *o;
 923
 924    ELM_INDEX_DATA_GET(obj, sd);
 925
 926    while (sd->items)
 927      {
 928         it = sd->items->data;
 929         elm_widget_item_del(it);
 930      }
 931
 932    EINA_LIST_FREE(sd->omit, o)
 933      free(o);
 934
 935    if (sd->delay) ecore_timer_del(sd->delay);
 936
 937    ELM_WIDGET_CLASS(_elm_index_parent_sc)->base.del(obj);
 938 }
 939
 940 static Eina_Bool
 941 _elm_index_smart_focus_next(const Evas_Object *obj,
 942                             Elm_Focus_Direction dir,
 943                             Evas_Object **next)
 944 {
 945    Eina_List *items = NULL;
 946    Eina_List *l = NULL;
 947    Elm_Index_Item *it;
 948    Evas_Object *ao;
 949    Evas_Object *po;
 950    Eina_Bool ret;
 951
 952    ELM_INDEX_CHECK(obj) EINA_FALSE;
 953    ELM_INDEX_DATA_GET(obj, sd);
 954
 955    if (!sd->autohide_disabled)
 956      elm_layout_signal_emit((Evas_Object *)obj, "elm,state,active", "elm");
 957
 958    po = (Evas_Object *)edje_object_part_object_get
 959               (elm_layout_edje_get(obj), "access");
 960    ao = evas_object_data_get(po, "_part_access_obj");
 961    items = eina_list_append(items, ao);
 962
 963    if (sd->index_focus)
 964      {
 965       EINA_LIST_FOREACH(sd->items, l, it)
 966         {
 967            if (it->level != 0) continue;
 968            items = eina_list_append(items, it->base.access_obj);
 969         }
 970      }
 971
 972    ret = elm_widget_focus_list_next_get
 973             (obj, items, eina_list_data_get, dir, next);
 974
 975    if (!ret)
 976      {
 977         sd->index_focus = EINA_FALSE;
 978
 979         Evas_Object *it_access_obj = eina_list_nth(items, eina_list_count(items) - 1);
 980
 981         items = eina_list_free(items);
 982         items = eina_list_append(items, it_access_obj);
 983         items = eina_list_append(items, ao);
 984
 985         ret = elm_widget_focus_list_next_get(obj, items, eina_list_data_get, dir, next);
 986
 987         // to hide index item, if there is nothing to focus on autohide disalbe mode
 988         if (!sd->autohide_disabled)
 989           elm_layout_signal_emit((Evas_Object *)obj, "elm,state,inactive", "elm");
 990      }
 991
 992    return ret;
 993 }
 994
 995 static void
 996 _access_obj_process(Evas_Object *obj, Eina_Bool is_access)
 997 {
 998    Eina_List *l;
 999    Elm_Index_Item *it;
1000
1001    ELM_INDEX_DATA_GET(obj, sd);
1002
1003    EINA_LIST_FOREACH(sd->items, l, it)
1004      {
1005         if (it->level != 0) continue;
1006         if (is_access) _access_widget_item_register(it);
1007         else _elm_access_widget_item_unregister((Elm_Widget_Item *)it);
1008      }
1009
1010    if (is_access)
1011      {
1012         elm_index_autohide_disabled_set(obj, EINA_TRUE);
1013         elm_layout_signal_emit(obj, "elm,access,state,active", "elm");
1014         _access_index_register(obj);
1015      }
1016    else
1017      {
1018         // opposition of  _access_index_register();
1019         elm_index_autohide_disabled_set(obj, EINA_FALSE);
1020         elm_layout_signal_emit(obj, "elm,access,state,inactive", "elm");
1021         elm_widget_can_focus_set(obj, EINA_FALSE);
1022         _elm_access_edje_object_part_object_unregister
1023              (obj, elm_layout_edje_get(obj), "access");
1024      }
1025 }
1026
1027 static void
1028 _access_hook(Evas_Object *obj, Eina_Bool is_access)
1029 {
1030    ELM_INDEX_CHECK(obj);
1031    ELM_INDEX_DATA_GET(obj, sd);
1032
1033    if (is_access)
1034      ELM_WIDGET_CLASS(ELM_WIDGET_DATA(sd)->api)->focus_next =
1035      _elm_index_smart_focus_next;
1036    else
1037      ELM_WIDGET_CLASS(ELM_WIDGET_DATA(sd)->api)->focus_next = NULL;
1038    _access_obj_process(obj, is_access);
1039 }
1040
1041 static void
1042 _elm_index_smart_set_user(Elm_Index_Smart_Class *sc)
1043 {
1044    ELM_WIDGET_CLASS(sc)->base.add = _elm_index_smart_add;
1045    ELM_WIDGET_CLASS(sc)->base.del = _elm_index_smart_del;
1046
1047    ELM_WIDGET_CLASS(sc)->theme = _elm_index_smart_theme;
1048    ELM_WIDGET_CLASS(sc)->translate = _elm_index_smart_translate;
1049
1050    /* not a 'focus chain manager' */
1051    ELM_WIDGET_CLASS(sc)->focus_next = NULL;
1052    ELM_WIDGET_CLASS(sc)->focus_direction = NULL;
1053
1054    ELM_LAYOUT_CLASS(sc)->sizing_eval = _elm_index_smart_sizing_eval;
1055
1056    if (_elm_config->access_mode)
1057      ELM_WIDGET_CLASS(sc)->focus_next = _elm_index_smart_focus_next;
1058
1059    ELM_WIDGET_CLASS(sc)->access = _access_hook;
1060 }
1061
1062 EAPI const Elm_Index_Smart_Class *
1063 elm_index_smart_class_get(void)
1064 {
1065    static Elm_Index_Smart_Class _sc =
1066      ELM_INDEX_SMART_CLASS_INIT_NAME_VERSION(ELM_INDEX_SMART_NAME);
1067    static const Elm_Index_Smart_Class *class = NULL;
1068    Evas_Smart_Class *esc = (Evas_Smart_Class *)&_sc;
1069
1070    if (class)
1071      return class;
1072
1073    _elm_index_smart_set(&_sc);
1074    esc->callbacks = _smart_callbacks;
1075    class = &_sc;
1076
1077    return class;
1078 }
1079
1080 EAPI Evas_Object *
1081 elm_index_add(Evas_Object *parent)
1082 {
1083    Evas_Object *obj;
1084
1085    EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
1086
1087    obj = elm_widget_add(_elm_index_smart_class_new(), parent);
1088    if (!obj) return NULL;
1089
1090    if (!elm_widget_sub_object_add(parent, obj))
1091      ERR("could not add %p as sub object of %p", obj, parent);
1092
1093    return obj;
1094 }
1095
1096 EAPI void
1097 elm_index_autohide_disabled_set(Evas_Object *obj,
1098                                 Eina_Bool disabled)
1099 {
1100    ELM_INDEX_CHECK(obj);
1101    ELM_INDEX_DATA_GET(obj, sd);
1102
1103    disabled = !!disabled;
1104    if (sd->autohide_disabled == disabled) return;
1105    sd->autohide_disabled = disabled;
1106    sd->level = 0;
1107    if (sd->autohide_disabled)
1108      {
1109         _index_box_clear(obj, sd->bx[1], 1);
1110         elm_layout_signal_emit(obj, "elm,state,active", "elm");
1111      }
1112    else
1113      elm_layout_signal_emit(obj, "elm,state,inactive", "elm");
1114
1115    //FIXME: Should be update indicator based on the indicator visiblility
1116 }
1117
1118 EAPI Eina_Bool
1119 elm_index_autohide_disabled_get(const Evas_Object *obj)
1120 {
1121    ELM_INDEX_CHECK(obj) EINA_FALSE;
1122    ELM_INDEX_DATA_GET(obj, sd);
1123
1124    return sd->autohide_disabled;
1125 }
1126
1127 EAPI void
1128 elm_index_item_level_set(Evas_Object *obj,
1129                          int level)
1130 {
1131    ELM_INDEX_CHECK(obj);
1132    ELM_INDEX_DATA_GET(obj, sd);
1133
1134    if (sd->level == level) return;
1135    sd->level = level;
1136 }
1137
1138 EAPI int
1139 elm_index_item_level_get(const Evas_Object *obj)
1140 {
1141    ELM_INDEX_CHECK(obj) 0;
1142    ELM_INDEX_DATA_GET(obj, sd);
1143
1144    return sd->level;
1145 }
1146
1147 //FIXME: Should update indicator based on the autohidden status & indicator visiblility
1148 EAPI void
1149 elm_index_item_selected_set(Elm_Object_Item *it,
1150                             Eina_Bool selected)
1151 {
1152    Elm_Index_Item *it_sel, *it_last;
1153    Evas_Object *obj = WIDGET(it);
1154
1155    ELM_INDEX_ITEM_CHECK_OR_RETURN(it);
1156    ELM_INDEX_DATA_GET(obj, sd);
1157
1158    selected = !!selected;
1159    it_sel = (Elm_Index_Item *)it;
1160    if (it_sel->selected == selected) return;
1161
1162    if (selected)
1163      {
1164         it_last = (Elm_Index_Item *)elm_index_selected_item_get(obj, sd->level);
1165
1166         if (it_last)
1167           {
1168              it_last->selected = 0;
1169              if (it_last->head)
1170                edje_object_signal_emit(VIEW(it_last->head), "elm,state,inactive", "elm");
1171              else
1172                edje_object_signal_emit(VIEW(it_last), "elm,state,inactive", "elm");
1173           }
1174         it_sel->selected = 1;
1175         if (it_sel->head)
1176           edje_object_signal_emit(VIEW(it_sel->head), "elm,state,active", "elm");
1177         else
1178           edje_object_signal_emit(VIEW(it_sel), "elm,state,active", "elm");
1179
1180         evas_object_smart_callback_call
1181            (obj, SIG_CHANGED, it);
1182         evas_object_smart_callback_call
1183            (obj, SIG_SELECTED, it);
1184         if (sd->delay) ecore_timer_del(sd->delay);
1185         sd->delay = ecore_timer_add(sd->delay_change_time,
1186                                     _delay_change_cb, obj);
1187      }
1188    else
1189      {
1190         it_sel->selected = 0;
1191         if (it_sel->head)
1192           edje_object_signal_emit(VIEW(it_sel->head), "elm,state,inactive", "elm");
1193         else
1194           edje_object_signal_emit(VIEW(it_sel), "elm,state,inactive", "elm");
1195      }
1196 }
1197
1198 EAPI Elm_Object_Item *
1199 elm_index_selected_item_get(const Evas_Object *obj,
1200                             int level)
1201 {
1202    Eina_List *l;
1203    Elm_Index_Item *it;
1204
1205    ELM_INDEX_CHECK(obj) NULL;
1206    ELM_INDEX_DATA_GET(obj, sd);
1207
1208    EINA_LIST_FOREACH(sd->items, l, it)
1209      {
1210         if ((it->selected) && (it->level == level))
1211           return (Elm_Object_Item *)it;
1212      }
1213
1214    return NULL;
1215 }
1216
1217 EAPI Elm_Object_Item *
1218 elm_index_item_append(Evas_Object *obj,
1219                       const char *letter,
1220                       Evas_Smart_Cb func,
1221                       const void *data)
1222 {
1223    Elm_Index_Item *it;
1224
1225    ELM_INDEX_CHECK(obj) NULL;
1226    ELM_INDEX_DATA_GET(obj, sd);
1227
1228    it = _item_new(obj, letter, func, data);
1229    if (!it) return NULL;
1230
1231    sd->items = eina_list_append(sd->items, it);
1232    _index_box_clear(obj, sd->bx[sd->level], sd->level);
1233
1234    return (Elm_Object_Item *)it;
1235 }
1236
1237 EAPI Elm_Object_Item *
1238 elm_index_item_prepend(Evas_Object *obj,
1239                        const char *letter,
1240                        Evas_Smart_Cb func,
1241                        const void *data)
1242 {
1243    Elm_Index_Item *it;
1244
1245    ELM_INDEX_CHECK(obj) NULL;
1246    ELM_INDEX_DATA_GET(obj, sd);
1247
1248    it = _item_new(obj, letter, func, data);
1249    if (!it) return NULL;
1250
1251    sd->items = eina_list_prepend(sd->items, it);
1252    _index_box_clear(obj, sd->bx[sd->level], sd->level);
1253
1254    return (Elm_Object_Item *)it;
1255 }
1256
1257 EINA_DEPRECATED EAPI Elm_Object_Item *
1258 elm_index_item_prepend_relative(Evas_Object *obj,
1259                                 const char *letter,
1260                                 const void *item,
1261                                 const Elm_Object_Item *relative)
1262 {
1263    return elm_index_item_insert_before
1264             (obj, (Elm_Object_Item *)relative, letter, NULL, item);
1265 }
1266
1267 EAPI Elm_Object_Item *
1268 elm_index_item_insert_after(Evas_Object *obj,
1269                             Elm_Object_Item *after,
1270                             const char *letter,
1271                             Evas_Smart_Cb func,
1272                             const void *data)
1273 {
1274    Elm_Index_Item *it;
1275
1276    ELM_INDEX_CHECK(obj) NULL;
1277    ELM_INDEX_DATA_GET(obj, sd);
1278
1279    if (!after) return elm_index_item_append(obj, letter, func, data);
1280
1281    it = _item_new(obj, letter, func, data);
1282    if (!it) return NULL;
1283
1284    sd->items = eina_list_append_relative(sd->items, it, after);
1285    _index_box_clear(obj, sd->bx[sd->level], sd->level);
1286
1287    return (Elm_Object_Item *)it;
1288 }
1289
1290 EAPI Elm_Object_Item *
1291 elm_index_item_insert_before(Evas_Object *obj,
1292                              Elm_Object_Item *before,
1293                              const char *letter,
1294                              Evas_Smart_Cb func,
1295                              const void *data)
1296 {
1297    Elm_Index_Item *it;
1298
1299    ELM_INDEX_CHECK(obj) NULL;
1300    ELM_INDEX_DATA_GET(obj, sd);
1301
1302    if (!before) return elm_index_item_prepend(obj, letter, func, data);
1303
1304    it = _item_new(obj, letter, func, data);
1305    if (!it) return NULL;
1306
1307    sd->items = eina_list_prepend_relative(sd->items, it, before);
1308    _index_box_clear(obj, sd->bx[sd->level], sd->level);
1309
1310    return (Elm_Object_Item *)it;
1311 }
1312
1313 EAPI Elm_Object_Item *
1314 elm_index_item_sorted_insert(Evas_Object *obj,
1315                              const char *letter,
1316                              Evas_Smart_Cb func,
1317                              const void *data,
1318                              Eina_Compare_Cb cmp_func,
1319                              Eina_Compare_Cb cmp_data_func)
1320 {
1321    Elm_Index_Item *it;
1322    Eina_List *lnear;
1323    int cmp;
1324
1325    ELM_INDEX_CHECK(obj) NULL;
1326    ELM_INDEX_DATA_GET(obj, sd);
1327
1328    if (!(sd->items)) return elm_index_item_append(obj, letter, func, data);
1329
1330    it = _item_new(obj, letter, func, data);
1331    if (!it) return NULL;
1332
1333    lnear = eina_list_search_sorted_near_list(sd->items, cmp_func, it, &cmp);
1334    if (cmp < 0)
1335      sd->items = eina_list_append_relative_list(sd->items, it, lnear);
1336    else if (cmp > 0)
1337      sd->items = eina_list_prepend_relative_list(sd->items, it, lnear);
1338    else
1339      {
1340         /* If cmp_data_func is not provided, append a duplicated item */
1341         if (!cmp_data_func)
1342           sd->items = eina_list_append_relative_list(sd->items, it, lnear);
1343         else
1344           {
1345              Elm_Index_Item *p_it = eina_list_data_get(lnear);
1346              if (cmp_data_func(p_it->base.data, it->base.data) >= 0)
1347                p_it->base.data = it->base.data;
1348              elm_widget_item_del(it);
1349              it = NULL;
1350           }
1351      }
1352    _index_box_clear(obj, sd->bx[sd->level], sd->level);
1353
1354    if (!it) return NULL;
1355    return (Elm_Object_Item *)it;
1356 }
1357
1358 EAPI Elm_Object_Item *
1359 elm_index_item_find(Evas_Object *obj,
1360                     const void *data)
1361 {
1362    ELM_INDEX_CHECK(obj) NULL;
1363
1364    return (Elm_Object_Item *)_item_find(obj, data);
1365 }
1366
1367 EAPI void
1368 elm_index_item_clear(Evas_Object *obj)
1369 {
1370    Elm_Index_Item *it;
1371    Eina_List *l, *clear = NULL;
1372
1373    ELM_INDEX_CHECK(obj);
1374    ELM_INDEX_DATA_GET(obj, sd);
1375
1376    _index_box_clear(obj, sd->bx[sd->level], sd->level);
1377    EINA_LIST_FOREACH(sd->items, l, it)
1378      {
1379         if (it->level != sd->level) continue;
1380         clear = eina_list_append(clear, it);
1381      }
1382    EINA_LIST_FREE (clear, it)
1383      elm_widget_item_del(it);
1384 }
1385
1386 EAPI void
1387 elm_index_level_go(Evas_Object *obj,
1388                    int level __UNUSED__)
1389 {
1390    ELM_INDEX_CHECK(obj);
1391    ELM_INDEX_DATA_GET(obj, sd);
1392
1393    _index_box_clear(obj, sd->bx[0], 0);
1394    _index_box_auto_fill(obj, sd->bx[0], 0);
1395    if (sd->level == 1)
1396      {
1397         _index_box_clear(obj, sd->bx[1], 1);
1398         _index_box_auto_fill(obj, sd->bx[1], 1);
1399      }
1400 }
1401
1402 EAPI void
1403 elm_index_indicator_disabled_set(Evas_Object *obj,
1404                                  Eina_Bool disabled)
1405 {
1406    ELM_INDEX_CHECK(obj);
1407    ELM_INDEX_DATA_GET(obj, sd);
1408
1409    disabled = !!disabled;
1410    if (sd->indicator_disabled == disabled) return;
1411    sd->indicator_disabled = disabled;
1412    if (!sd->items) return;
1413    if (disabled)
1414      elm_layout_signal_emit(obj, "elm,indicator,state,inactive", "elm");
1415    else
1416      elm_layout_signal_emit(obj, "elm,indicator,state,active", "elm");
1417 }
1418
1419 EAPI Eina_Bool
1420 elm_index_indicator_disabled_get(const Evas_Object *obj)
1421 {
1422    ELM_INDEX_CHECK(obj) EINA_FALSE;
1423    ELM_INDEX_DATA_GET(obj, sd);
1424
1425    return sd->indicator_disabled;
1426 }
1427
1428 EAPI const char *
1429 elm_index_item_letter_get(const Elm_Object_Item *it)
1430 {
1431    ELM_INDEX_ITEM_CHECK_OR_RETURN(it, NULL);
1432
1433    return ((Elm_Index_Item *)it)->letter;
1434 }
1435
1436 EAPI void
1437 elm_index_horizontal_set(Evas_Object *obj,
1438                          Eina_Bool horizontal)
1439 {
1440    ELM_INDEX_CHECK(obj);
1441    ELM_INDEX_DATA_GET(obj, sd);
1442
1443    horizontal = !!horizontal;
1444    if (horizontal == sd->horizontal) return;
1445
1446    sd->horizontal = horizontal;
1447    if (horizontal)
1448      sd->omit_enabled = EINA_FALSE;
1449    _elm_index_smart_theme(obj);
1450 }
1451
1452 EAPI Eina_Bool
1453 elm_index_horizontal_get(const Evas_Object *obj)
1454 {
1455    ELM_INDEX_CHECK(obj) EINA_FALSE;
1456    ELM_INDEX_DATA_GET(obj, sd);
1457
1458    return sd->horizontal;
1459 }
1460
1461 EAPI void
1462 elm_index_delay_change_time_set(Evas_Object *obj, double delay_change_time)
1463 {
1464    ELM_INDEX_CHECK(obj);
1465    ELM_INDEX_DATA_GET(obj, sd);
1466
1467    sd->delay_change_time = delay_change_time;
1468 }
1469
1470 EAPI double
1471 elm_index_delay_change_time_get(const Evas_Object *obj)
1472 {
1473    ELM_INDEX_CHECK(obj) 0.0;
1474    ELM_INDEX_DATA_GET(obj, sd);
1475
1476    return sd->delay_change_time;
1477 }
1478
1479 EAPI void
1480 elm_index_omit_enabled_set(Evas_Object *obj,
1481                            Eina_Bool enabled)
1482 {
1483    ELM_INDEX_CHECK(obj);
1484    ELM_INDEX_DATA_GET(obj, sd);
1485
1486    if (sd->horizontal) return;
1487
1488    enabled = !!enabled;
1489    if (sd->omit_enabled == enabled) return;
1490    sd->omit_enabled = enabled;
1491
1492    _index_box_clear(obj, sd->bx[0], 0);
1493    _index_box_auto_fill(obj, sd->bx[0], 0);
1494    if (sd->level == 1)
1495      {
1496         _index_box_clear(obj, sd->bx[1], 1);
1497         _index_box_auto_fill(obj, sd->bx[1], 1);
1498      }
1499 }
1500
1501 EAPI Eina_Bool
1502 elm_index_omit_enabled_get(const Evas_Object *obj)
1503 {
1504    ELM_INDEX_CHECK(obj) EINA_FALSE;
1505    ELM_INDEX_DATA_GET(obj, sd);
1506
1507    return sd->omit_enabled;
1508 }