src/lib/elm_index.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3 #include "els_box.h"
   4
   5 #define MIN_GRP_SIZE 2 //for symmetry it is 2, otherwise it can be 1 and zero have no meaning.
   6 #define MIN_PIXEL_VALUE 1 //Min pixel value is highly dependent on touch sensitivity support.
   7 #define MIN_OBJ_HEIGHT 24 //should be taken from .edc file.
   8
   9 typedef struct _Widget_Data Widget_Data;
  10
  11 typedef struct _PlacementPart PlacementPart;
  12 typedef struct _Elm_Index_Item Elm_Index_Item;
  13
  14 struct _Widget_Data
  15 {
  16    Evas_Object *base;
  17    Evas_Object *event[2];
  18    Evas_Object *bx[2]; // 2 - for now all that's supported
  19    Eina_List *items; // 1 list. yes N levels, but only 2 for now and # of items will be small
  20    int level;
  21    int max_supp_items_count;
  22    int tot_items_count[2];
  23    int min_obj_height, max_grp_size;
  24    int min_1st_level_obj_height;
  25    int items_count;
  26    Evas_Coord dx, dy;
  27    Evas_Coord pwidth, pheight;
  28    Ecore_Timer *delay;
  29    const char *special_char;
  30    Eina_Bool level_active[2];
  31    Eina_Bool horizontal : 1;
  32    Eina_Bool autohide_disabled : 1;
  33    Eina_Bool down : 1;
  34    Eina_Bool indicator_disabled : 1;
  35 };
  36
  37 struct _Elm_Index_Item
  38 {
  39    ELM_WIDGET_ITEM;
  40    const char *letter, *vis_letter;
  41    int level, size;
  42    Evas_Smart_Cb func;
  43    Eina_Bool selected : 1;
  44 };
  45
  46 struct _PlacementPart
  47 {
  48    int start;
  49    int count;
  50 };
  51
  52 static const char *widtype = NULL;
  53
  54 static void _del_hook(Evas_Object *obj);
  55 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  56 static void _theme_hook(Evas_Object *obj);
  57 static void _sizing_eval(Evas_Object *obj);
  58 static void _index_box_auto_fill(Evas_Object *obj, Evas_Object *box, int level);
  59 static void _index_box_clear(Evas_Object *obj, Evas_Object *box, int level);
  60 static void _item_free(Elm_Index_Item *it);
  61 static void _index_process(Evas_Object *obj);
  62
  63 static const char SIG_CHANGED[] = "changed";
  64 static const char SIG_DELAY_CHANGED[] = "delay,changed";
  65 static const char SIG_SELECTED[] = "selected";
  66 static const char SIG_LEVEL_UP[] = "level,up";
  67 static const char SIG_LEVEL_DOWN[] = "level,down";
  68
  69 static const Evas_Smart_Cb_Description _signals[] = {
  70    {SIG_CHANGED, ""},
  71    {SIG_DELAY_CHANGED, ""},
  72    {SIG_SELECTED, ""},
  73    {SIG_LEVEL_UP, ""},
  74    {SIG_LEVEL_DOWN, ""},
  75    {NULL, NULL}
  76 };
  77
  78 static void
  79 _del_pre_hook(Evas_Object *obj)
  80 {
  81    Widget_Data *wd = elm_widget_data_get(obj);
  82    Elm_Index_Item *it;
  83    if (!wd) return;
  84    _index_box_clear(obj, wd->bx[wd->level], wd->level);
  85    _index_box_clear(obj, wd->bx[0], 0);
  86    while (wd->items)
  87      {
  88         it = wd->items->data;
  89         _item_free(it);
  90         elm_widget_item_free(it);
  91      }
  92    if (wd->delay) ecore_timer_del(wd->delay);
  93 }
  94
  95 static void
  96 _del_hook(Evas_Object *obj)
  97 {
  98    Widget_Data *wd = elm_widget_data_get(obj);
  99    free(wd);
 100 }
 101
 102 static void
 103 _layout(Evas_Object *o, Evas_Object_Box_Data *priv, void *data)
 104 {
 105    Widget_Data *wd = data;
 106    if (!wd) return;
 107    _els_box_layout(o, priv, wd->horizontal, 1, 0);
 108 }
 109
 110 static void
 111 _signal_emit_hook(Evas_Object *obj, const char *emission, const char *source)
 112 {
 113    Widget_Data *wd = elm_widget_data_get(obj);
 114    if (!wd) return;
 115    edje_object_signal_emit(wd->base, emission, source);
 116 }
 117
 118 static void
 119 _signal_callback_add_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
 120 {
 121    Widget_Data *wd = elm_widget_data_get(obj);
 122    if (!wd) return;
 123    edje_object_signal_callback_add(wd->base, emission, source, func_cb, data);
 124 }
 125
 126 static void
 127 _signal_callback_del_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
 128 {
 129    Widget_Data *wd = elm_widget_data_get(obj);
 130    edje_object_signal_callback_del_full(wd->base, emission, source, func_cb,
 131                                         data);
 132 }
 133
 134 static void
 135 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
 136 {
 137    Widget_Data *wd = elm_widget_data_get(obj);
 138    if (!wd) return;
 139    if (!wd->horizontal)
 140      edje_object_mirrored_set(wd->base, rtl);
 141 }
 142
 143 static void
 144 _theme_hook(Evas_Object *obj)
 145 {
 146    Evas_Coord minw = 0, minh = 0;
 147    Widget_Data *wd = elm_widget_data_get(obj);
 148    if (!wd) return;
 149    _elm_widget_mirrored_reload(obj);
 150
 151    _index_box_clear(obj, wd->bx[0], 0);
 152    _index_box_clear(obj, wd->bx[1], 1);
 153    if (wd->horizontal)
 154      _elm_theme_object_set(obj, wd->base, "index", "base/horizontal", elm_widget_style_get(obj));
 155    else
 156      {
 157         _elm_theme_object_set(obj, wd->base, "index", "base/vertical", elm_widget_style_get(obj));
 158         _mirrored_set(obj, elm_widget_mirrored_get(obj));
 159      }
 160    edje_object_part_swallow(wd->base, "elm.swallow.event.0", wd->event[0]);
 161    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 162    evas_object_size_hint_min_set(wd->event[0], minw, minh);
 163    edje_object_part_swallow(wd->base, "elm.swallow.index.0", wd->bx[0]);
 164    if (edje_object_part_exists(wd->base, "elm.swallow.index.1"))
 165      {
 166         if (!wd->bx[1])
 167           {
 168              wd->bx[1] = evas_object_box_add(evas_object_evas_get(wd->base));
 169              evas_object_box_layout_set(wd->bx[1], _layout, wd, NULL);
 170              elm_widget_sub_object_add(obj, wd->bx[1]);
 171           }
 172         edje_object_part_swallow(wd->base, "elm.swallow.index.1", wd->bx[1]);
 173         evas_object_show(wd->bx[1]);
 174      }
 175    else if (wd->bx[1])
 176      {
 177         evas_object_del(wd->bx[1]);
 178         wd->bx[1] = NULL;
 179      }
 180    if (edje_object_part_exists(wd->base, "elm.swallow.event.1"))
 181      {
 182         if (!wd->event[1])
 183           {
 184              wd->event[1] = evas_object_rectangle_add(evas_object_evas_get(wd->base));
 185              evas_object_color_set(wd->event[1], 0, 0, 0, 0);
 186              elm_widget_sub_object_add(obj, wd->event[1]);
 187           }
 188         edje_object_part_swallow(wd->base, "elm.swallow.event.1", wd->event[1]);
 189         evas_object_size_hint_min_set(wd->event[1], minw, minh);
 190      }
 191    else if (wd->event[1])
 192      {
 193         evas_object_del(wd->event[1]);
 194         wd->event[1] = NULL;
 195      }
 196    edje_object_message_signal_process(wd->base);
 197    edje_object_scale_set(wd->base, elm_widget_scale_get(obj) * _elm_config->scale);
 198    _sizing_eval(obj);
 199    _index_box_auto_fill(obj, wd->bx[0], 0);
 200
 201    if (wd->autohide_disabled)
 202      {
 203         if (wd->level == 1) _index_box_auto_fill(obj, wd->bx[1], 1);
 204         edje_object_signal_emit(wd->base, "elm,state,active", "elm");
 205      }
 206    else
 207      edje_object_signal_emit(wd->base, "elm,state,inactive", "elm");
 208 }
 209
 210 static void
 211 _sizing_eval(Evas_Object *obj)
 212 {
 213    Widget_Data *wd = elm_widget_data_get(obj);
 214    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
 215    if (!wd) return;
 216    edje_object_size_min_calc(wd->base, &minw, &minh);
 217    evas_object_size_hint_min_set(obj, minw, minh);
 218    evas_object_size_hint_max_set(obj, maxw, maxh);
 219 }
 220
 221 static Eina_Bool
 222 _item_del_pre_hook(Elm_Object_Item *it)
 223 {
 224    Widget_Data *wd = elm_widget_data_get(WIDGET(it));
 225    if (!wd) return EINA_FALSE;
 226    _item_free((Elm_Index_Item *)it);
 227    _index_box_clear(WIDGET(it), wd->bx[wd->level], wd->level);
 228    return EINA_TRUE;
 229 }
 230
 231 static Elm_Index_Item *
 232 _item_new(Evas_Object *obj, const char *letter, Evas_Smart_Cb func, const void *data)
 233 {
 234    Widget_Data *wd = elm_widget_data_get(obj);
 235    Elm_Index_Item *it;
 236    if (!wd) return NULL;
 237    it = elm_widget_item_new(obj, Elm_Index_Item);
 238    if (!it) return NULL;
 239    elm_widget_item_del_pre_hook_set(it, _item_del_pre_hook);
 240    it->func = func;
 241    it->base.data = data;
 242    it->level = wd->level;
 243    if(wd->level == 0)
 244      it->size =  wd->min_obj_height;
 245    else
 246      it->size =  wd->min_1st_level_obj_height;
 247    if(letter)
 248      {
 249         it->letter = eina_stringshare_add(letter);
 250         it->vis_letter = eina_stringshare_add(letter);
 251      }
 252    return it;
 253 }
 254
 255 static Elm_Index_Item *
 256 _item_find(Evas_Object *obj, const void *data)
 257 {
 258    Widget_Data *wd = elm_widget_data_get(obj);
 259    Eina_List *l;
 260    Elm_Index_Item *it;
 261    if (!wd) return NULL;
 262    EINA_LIST_FOREACH(wd->items, l, it)
 263      if (it->base.data == data) return it;
 264    return NULL;
 265 }
 266
 267 static void
 268 _item_free(Elm_Index_Item *it)
 269 {
 270    Widget_Data *wd = elm_widget_data_get(WIDGET(it));
 271    if (!wd) return;
 272    wd->items = eina_list_remove(wd->items, it);
 273    if (it->letter) eina_stringshare_del(it->letter);
 274    if (it->vis_letter) eina_stringshare_del(it->vis_letter);
 275 }
 276
 277 // FIXME: always have index filled
 278 static void
 279 _index_box_auto_fill(Evas_Object *obj, Evas_Object *box, int level)
 280 {
 281    Widget_Data *wd = elm_widget_data_get(obj);
 282    Eina_Bool rtl;
 283    Eina_List *l;
 284    Elm_Index_Item *it;
 285    Evas_Coord mw, mh, w, h;
 286    int i = 0;
 287    if (!wd) return;
 288    if (wd->level_active[level]) return;
 289    rtl = elm_widget_mirrored_get(obj);
 290    evas_object_geometry_get(box, NULL, NULL, &w, &h);
 291    EINA_LIST_FOREACH(wd->items, l, it)
 292      {
 293         Evas_Object *o;
 294         const char *stacking;
 295
 296         if (it->level != level) continue;
 297
 298 //FIXME: Need to check. This cause one less items show up.
 299 //        if(i > wd->max_supp_items_count) break;
 300
 301         o = edje_object_add(evas_object_evas_get(obj));
 302         VIEW(it) = o;
 303         edje_object_mirrored_set(VIEW(it), rtl);
 304
 305         if (wd->horizontal)
 306           {
 307              if (i & 0x1)
 308                _elm_theme_object_set(obj, o, "index", "item_odd/horizontal",
 309                                      elm_widget_style_get(obj));
 310              else
 311                _elm_theme_object_set(obj, o, "index", "item/horizontal",
 312                                      elm_widget_style_get(obj));
 313           }
 314         else
 315           {
 316              if (i & 0x1)
 317                _elm_theme_object_set(obj, o, "index", "item_odd/vertical",
 318                                      elm_widget_style_get(obj));
 319              else
 320                _elm_theme_object_set(obj, o, "index", "item/vertical",
 321                                      elm_widget_style_get(obj));
 322           }
 323
 324         edje_object_part_text_set(o, "elm.text", it->letter);
 325         edje_object_size_min_restricted_calc(o, &mw, &mh, 0, 0);
 326         evas_object_size_hint_min_set(o, mw, mh);
 327         evas_object_size_hint_weight_set(o, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 328         evas_object_size_hint_align_set(o, EVAS_HINT_FILL, EVAS_HINT_FILL);
 329
 330         edje_object_part_text_set(o, "elm.text", it->vis_letter);
 331
 332         //FIXME: Need to check. This cause the page index size incorrect.
 333 /*      evas_object_size_hint_min_set(o, mw, it->size);
 334         evas_object_size_hint_max_set(o, mw, it->size);
 335         evas_object_resize(o, mw, it->size); */
 336
 337         elm_widget_sub_object_add(obj, o);
 338         evas_object_box_append(box, o);
 339         stacking = edje_object_data_get(o, "stacking");
 340         if (stacking)
 341           {
 342              if (!strcmp(stacking, "below")) evas_object_lower(o);
 343              else if (!strcmp(stacking, "above")) evas_object_raise(o);
 344           }
 345         evas_object_show(o);
 346         i++;
 347         if(level == 1)
 348           wd->tot_items_count[1] = i;
 349         evas_object_smart_calculate(box); // force a calc so we know the size
 350         evas_object_size_hint_min_get(box, &mw, &mh);
 351         if (mh > h)
 352           {
 353              _index_box_clear(obj, box, level);
 354              if (i > 0)
 355                {
 356                   // FIXME: only i objects fit! try again. overflows right now
 357                }
 358           }
 359      }
 360    evas_object_smart_calculate(box);
 361    wd->level_active[level] = 1;
 362 }
 363
 364 static void
 365 _index_box_clear(Evas_Object *obj, Evas_Object *box __UNUSED__, int level)
 366 {
 367    Widget_Data *wd = elm_widget_data_get(obj);
 368    Eina_List *l;
 369    Elm_Index_Item *it;
 370    if (!wd) return;
 371    if (!wd->level_active[level]) return;
 372    EINA_LIST_FOREACH(wd->items, l, it)
 373      {
 374         if (!VIEW(it)) continue;
 375         if (it->level != level) continue;
 376         evas_object_del(VIEW(it));
 377         VIEW(it) = NULL;
 378      }
 379    wd->level_active[level] = 0;
 380 }
 381
 382 static Eina_Bool
 383 _delay_change(void *data)
 384 {
 385    Widget_Data *wd = elm_widget_data_get(data);
 386    Elm_Object_Item *item;
 387    if (!wd) return ECORE_CALLBACK_CANCEL;
 388    wd->delay = NULL;
 389    item = elm_index_selected_item_get(data, wd->level);
 390    if (item) evas_object_smart_callback_call(data, SIG_DELAY_CHANGED, item);
 391    return ECORE_CALLBACK_CANCEL;
 392 }
 393
 394 static void
 395 _sel_eval(Evas_Object *obj, Evas_Coord evx, Evas_Coord evy)
 396 {
 397    Widget_Data *wd = elm_widget_data_get(obj);
 398    Elm_Index_Item *it, *it_closest, *it_last;
 399    Eina_List *l;
 400    Evas_Coord x, y, w, h, bx, by, bw, bh, xx, yy;
 401    double cdv = 0.5;
 402    Evas_Coord dist;
 403    char *label = NULL, *last = NULL;
 404    int i;
 405    if (!wd) return;
 406    for (i = 0; i <= wd->level; i++)
 407      {
 408         it_last = NULL;
 409         it_closest  = NULL;
 410         dist = 0x7fffffff;
 411         evas_object_geometry_get(wd->bx[i], &bx, &by, &bw, &bh);
 412         EINA_LIST_FOREACH(wd->items, l, it)
 413           {
 414              if (it->level != i) continue;
 415              if (it->level != wd->level)
 416                {
 417                   if (it->selected)
 418                     {
 419                        it_closest = it;
 420                        break;
 421                     }
 422                   continue;
 423                }
 424              if (it->selected)
 425                {
 426                   it_last = it;
 427                   it->selected = 0;
 428                }
 429              evas_object_geometry_get(VIEW(it), &x, &y, &w, &h);
 430              xx = x + (w / 2);
 431              yy = y + (h / 2);
 432              x = evx - xx;
 433              y = evy - yy;
 434              x = (x * x) + (y * y);
 435              if ((x < dist) || (!it_closest))
 436                {
 437                   if (wd->horizontal)
 438                     cdv = (double)(xx - bx) / (double)bw;
 439                   else
 440                     cdv = (double)(yy - by) / (double)bh;
 441                   it_closest = it;
 442                   dist = x;
 443                }
 444           }
 445         if ((i == 0) && (wd->level == 0))
 446           edje_object_part_drag_value_set(wd->base, "elm.dragable.index.1",
 447                                           cdv, cdv);
 448         if (it_closest) it_closest->selected = 1;
 449         if (it_closest != it_last)
 450           {
 451              if (it_last)
 452                {
 453                   const char *stacking, *selectraise;
 454
 455                   it = it_last;
 456                   edje_object_signal_emit(VIEW(it), "elm,state,inactive", "elm");
 457                   stacking = edje_object_data_get(VIEW(it), "stacking");
 458                   selectraise = edje_object_data_get(VIEW(it), "selectraise");
 459                   if ((selectraise) && (!strcmp(selectraise, "on")))
 460                     {
 461                        if ((stacking) && (!strcmp(stacking, "below")))
 462                          evas_object_lower(VIEW(it));
 463                     }
 464                }
 465              if (it_closest)
 466                {
 467                   const char *selectraise;
 468
 469                   it = it_closest;
 470                   edje_object_signal_emit(VIEW(it), "elm,state,active", "elm");
 471                   selectraise = edje_object_data_get(VIEW(it), "selectraise");
 472                   if ((selectraise) && (!strcmp(selectraise, "on")))
 473                     evas_object_raise(VIEW(it));
 474                   evas_object_smart_callback_call((void *)obj, SIG_CHANGED, (void *)it);
 475                   if (wd->delay) ecore_timer_del(wd->delay);
 476                   wd->delay = ecore_timer_add(0.2, _delay_change, obj);
 477                }
 478           }
 479         if (it_closest)
 480           {
 481              it = it_closest;
 482              if (!last)
 483                last = strdup(it->letter);
 484              else
 485                {
 486                   if (!label) label = strdup(last);
 487                   else
 488                     {
 489                        label = realloc(label, strlen(label) + strlen(last) + 1);
 490                        if (!label) return;
 491                        strcat(label, last);
 492                     }
 493                   free(last);
 494                   last = strdup(it->letter);
 495                }
 496           }
 497      }
 498    if (!label) label = strdup("");
 499    if (!last) last = strdup("");
 500    edje_object_part_text_set(wd->base, "elm.text.body", label);
 501    edje_object_part_text_set(wd->base, "elm.text", last);
 502    free(label);
 503    free(last);
 504 }
 505
 506 static void
 507 _wheel(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
 508 {
 509    Widget_Data *wd = elm_widget_data_get(data);
 510    //   Evas_Event_Mouse_Wheel *ev = event_info;
 511    //   Evas_Object *obj = o;
 512    if (!wd) return;
 513 }
 514
 515 static void
 516 _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
 517 {
 518    Widget_Data *wd = elm_widget_data_get(data);
 519    Evas_Event_Mouse_Down *ev = event_info;
 520    Evas_Coord x, y, w;
 521    if (!wd) return;
 522    if (ev->button != 1) return;
 523    wd->down = 1;
 524    evas_object_geometry_get(wd->base, &x, &y, &w, NULL);
 525    wd->dx = ev->canvas.x - x;
 526    wd->dy = ev->canvas.y - y;
 527    if (!wd->autohide_disabled)
 528      {
 529         _index_box_clear(data, wd->bx[1], 1);
 530         _index_box_auto_fill(data, wd->bx[0], 0);
 531         edje_object_signal_emit(wd->base, "elm,state,active", "elm");
 532      }
 533    _sel_eval(data, ev->canvas.x, ev->canvas.y);
 534    edje_object_part_drag_value_set(wd->base, "elm.dragable.pointer",
 535                                    (!edje_object_mirrored_get(wd->base)) ? wd->dx : (wd->dx - w), wd->dy);
 536    if (wd->items && !wd->indicator_disabled)
 537      edje_object_signal_emit(wd->base, "elm,indicator,state,active", "elm");
 538 }
 539
 540 static void
 541 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
 542 {
 543    Widget_Data *wd = elm_widget_data_get(data);
 544    Evas_Event_Mouse_Up *ev = event_info;
 545    Elm_Object_Item *item;
 546    Elm_Index_Item *id_item;
 547    if (!wd) return;
 548    if (ev->button != 1) return;
 549    if (wd->level == 1 && wd->delay) ecore_timer_del(wd->delay);
 550    wd->delay = NULL;
 551    wd->down = 0;
 552    item = elm_index_selected_item_get(data, wd->level);
 553    if (item)
 554      {
 555         evas_object_smart_callback_call(data, SIG_SELECTED, item);
 556         id_item = (Elm_Index_Item *)item;
 557         if (id_item->func)
 558           id_item->func((void *)id_item->base.data, WIDGET(id_item), id_item);
 559      }
 560    if (!wd->autohide_disabled)
 561      edje_object_signal_emit(wd->base, "elm,state,inactive", "elm");
 562    edje_object_signal_emit(wd->base, "elm,state,level,0", "elm");
 563    if (wd->items && !wd->indicator_disabled)
 564      edje_object_signal_emit(wd->base, "elm,indicator,state,inactive", "elm");
 565 }
 566
 567 static void
 568 _mouse_move(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
 569 {
 570    Widget_Data *wd = elm_widget_data_get(data);
 571    Evas_Event_Mouse_Move *ev = event_info;
 572    Evas_Coord minw = 0, minh = 0, x, y, dx, adx, w;
 573    Elm_Object_Item *item;
 574    char buf[1024];
 575    if (!wd) return;
 576    if (!wd->down) return;
 577    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 578    evas_object_geometry_get(wd->base, &x, &y, &w, NULL);
 579    x = ev->cur.canvas.x - x;
 580    y = ev->cur.canvas.y - y;
 581    dx = x - wd->dx;
 582    adx = dx;
 583    if (adx < 0) adx = -dx;
 584    edje_object_part_drag_value_set(wd->base, "elm.dragable.pointer"
 585                                    , (!edje_object_mirrored_get(wd->base)) ? x : (x - w), y);
 586    if (!wd->horizontal)
 587      {
 588         if (adx > minw)
 589           {
 590              if (!wd->level)
 591                {
 592                   wd->level = 1;
 593                   snprintf(buf, sizeof(buf), "elm,state,level,%i", wd->level);
 594                   edje_object_signal_emit(wd->base, buf, "elm");
 595                   evas_object_smart_callback_call(data, SIG_LEVEL_UP, NULL);
 596                }
 597           }
 598         else
 599           {
 600              if (wd->level == 1)
 601                {
 602                   wd->level = 0;
 603                   snprintf(buf, sizeof(buf), "elm,state,level,%i", wd->level);
 604                   edje_object_signal_emit(wd->base, buf, "elm");
 605                   item = elm_index_item_selected_get(data, wd->level);
 606                   evas_object_smart_callback_call(data, SIG_CHANGED, NULL);
 607                   if (wd->delay) ecore_timer_del(wd->delay);
 608                   wd->delay = ecore_timer_add(0.2, _delay_change, data);
 609                   evas_object_smart_callback_call(data, SIG_LEVEL_DOWN, NULL);
 610                }
 611           }
 612      }
 613    _sel_eval(data, ev->cur.canvas.x, ev->cur.canvas.y);
 614 }
 615
 616 static void
 617 _index_box_refill_job(void *data)
 618 {
 619    Widget_Data *wd = elm_widget_data_get((Evas_Object *)data);
 620    if (!wd) return;
 621
 622    const char *string;
 623    Evas_Coord pw, ph;
 624
 625    evas_object_geometry_get(wd->base, NULL, NULL, &pw, &ph);
 626    string = edje_object_data_get(wd->base, "min_obj_height");
 627    wd->min_obj_height = MIN_OBJ_HEIGHT;
 628
 629    wd->max_grp_size = wd->min_obj_height - 2*MIN_GRP_SIZE;
 630    wd->items_count = ph/wd->min_obj_height;
 631    wd->max_supp_items_count = wd->max_grp_size*(int)((wd->items_count-1)*0.5)+wd->items_count;
 632
 633    if(pw != wd->pwidth && ph != wd->pheight)
 634      {
 635         if(wd->down == 1)
 636           edje_object_signal_emit(wd->base, "elm,state,active", "elm");
 637         _index_box_clear((Evas_Object *)data, wd->bx[0], 0);
 638         evas_object_smart_calculate( wd->bx[0]);
 639         elm_index_item_go((Evas_Object *)data, wd->level);
 640         wd->pwidth = pw;
 641         wd->pheight = ph;
 642      }
 643 }
 644
 645 static void _index_object_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 646 {
 647    Widget_Data *wd;
 648    if(!data) return;
 649    wd = elm_widget_data_get((Evas_Object *)data);
 650    if(!wd) return;
 651    ecore_job_add(_index_box_refill_job, (Evas_Object *)data);
 652 }
 653
 654 EAPI Evas_Object *
 655 elm_index_add(Evas_Object *parent)
 656 {
 657    Evas_Object *obj;
 658    Evas_Object *o;
 659    Evas *e;
 660    Widget_Data *wd;
 661    Evas_Coord minw, minh;
 662
 663    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 664
 665    ELM_SET_WIDTYPE(widtype, "index");
 666    elm_widget_type_set(obj, "index");
 667    elm_widget_sub_object_add(parent, obj);
 668    elm_widget_data_set(obj, wd);
 669    elm_widget_del_hook_set(obj, _del_hook);
 670    elm_widget_del_pre_hook_set(obj, _del_pre_hook);
 671    elm_widget_theme_hook_set(obj, _theme_hook);
 672    elm_widget_signal_emit_hook_set(obj, _signal_emit_hook);
 673    elm_widget_signal_callback_add_hook_set(obj, _signal_callback_add_hook);
 674    elm_widget_signal_callback_del_hook_set(obj, _signal_callback_del_hook);
 675    elm_widget_can_focus_set(obj, EINA_FALSE);
 676
 677    wd->indicator_disabled = EINA_FALSE;
 678    wd->horizontal = EINA_FALSE;
 679    wd->autohide_disabled = EINA_FALSE;
 680    wd->min_obj_height = 0;
 681    wd->max_grp_size = 0;
 682    wd->items_count = 0;
 683    wd->tot_items_count[0] = 0;
 684    wd->tot_items_count[1] = 0;
 685    wd->special_char = edje_object_data_get(wd->base, "special_char");
 686    if(!wd->special_char)  wd->special_char = eina_stringshare_add("*");
 687
 688    wd->base = edje_object_add(e);
 689    _elm_theme_object_set(obj, wd->base, "index", "base/vertical", "default");
 690    elm_widget_resize_object_set(obj, wd->base);
 691
 692    o = evas_object_rectangle_add(e);
 693    wd->event[0] = o;
 694    evas_object_color_set(o, 0, 0, 0, 0);
 695    minw = minh = 0;
 696    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 697    evas_object_size_hint_min_set(o, minw, minh);
 698    edje_object_part_swallow(wd->base, "elm.swallow.event.0", o);
 699    elm_widget_sub_object_add(obj, o);
 700    evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _index_object_resize, obj);
 701    evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_WHEEL, _wheel, obj);
 702    evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down, obj);
 703    evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_UP, _mouse_up, obj);
 704    evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move, obj);
 705    evas_object_show(o);
 706    if (edje_object_part_exists(wd->base, "elm.swallow.event.1"))
 707      {
 708         o = evas_object_rectangle_add(e);
 709         wd->event[1] = o;
 710         evas_object_color_set(o, 0, 0, 0, 0);
 711         evas_object_size_hint_min_set(o, minw, minh);
 712         edje_object_part_swallow(wd->base, "elm.swallow.event.1", o);
 713         elm_widget_sub_object_add(obj, o);
 714      }
 715
 716    wd->bx[0] = evas_object_box_add(e);
 717    evas_object_box_layout_set(wd->bx[0], _layout, wd, NULL);
 718    elm_widget_sub_object_add(obj, wd->bx[0]);
 719    edje_object_part_swallow(wd->base, "elm.swallow.index.0", wd->bx[0]);
 720    evas_object_show(wd->bx[0]);
 721
 722    if (edje_object_part_exists(wd->base, "elm.swallow.index.1"))
 723      {
 724         wd->bx[1] = evas_object_box_add(e);
 725         evas_object_box_layout_set(wd->bx[1], _layout, wd, NULL);
 726         elm_widget_sub_object_add(obj, wd->bx[1]);
 727         edje_object_part_swallow(wd->base, "elm.swallow.index.1", wd->bx[1]);
 728         evas_object_show(wd->bx[1]);
 729      }
 730
 731    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 732    wd->min_1st_level_obj_height = MIN_OBJ_HEIGHT;
 733
 734    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 735    _sizing_eval(obj);
 736    return obj;
 737 }
 738
 739 static int
 740 _group_count(Evas_Object *obj, int extraIndex, int adj_pos)
 741 {
 742    Widget_Data *wd = elm_widget_data_get(obj);
 743    if (!wd) return 0;
 744    int group_count = MIN_GRP_SIZE;
 745    while(group_count <= wd->max_grp_size)
 746      {
 747         if(extraIndex <= wd->max_grp_size*adj_pos)
 748           {
 749              if(group_count*adj_pos>=extraIndex) return group_count;
 750           }
 751         else
 752           return wd->max_grp_size;
 753
 754         group_count += MIN_GRP_SIZE;
 755      }
 756    return group_count;
 757 }
 758
 759 static void
 760 _index_process(Evas_Object *obj)
 761 {
 762 //FIXME: It seems max_supp_items_count has incorrect value.
 763    return;
 764    int extraIndex;
 765    int j,i, group_count;
 766    Eina_List *l;
 767    Elm_Index_Item *it;
 768    int count;
 769    int n;
 770
 771    Widget_Data *wd = elm_widget_data_get(obj);
 772    if (!wd) return;
 773
 774    if (wd->items_count == 0) return;
 775
 776    const int adj_pos = (wd->items_count-1)*0.5;
 777    if(wd->tot_items_count[wd->level] <= wd->max_supp_items_count)
 778       n = wd->tot_items_count[wd->level];
 779    else
 780       n = wd->max_supp_items_count;
 781    group_count = MIN_GRP_SIZE;
 782
 783    int *indx = (int*)calloc(n, sizeof(int));
 784    if (!indx) return;
 785
 786    const int minh = wd->min_obj_height;
 787    EINA_LIST_FOREACH(wd->items, l, it)
 788      {
 789         it->vis_letter = eina_stringshare_add(it->letter);
 790         it->size =  minh;
 791      }
 792    int remainder;
 793    int numberofparts;
 794    int N = wd->items_count;
 795
 796    for (i=0;i<n;i++)
 797      {
 798         indx[i] = minh;
 799      }
 800    extraIndex=n-N;
 801    if (extraIndex < 0)
 802      {
 803         free(indx);
 804         indx = NULL;
 805         return;
 806      }
 807
 808    group_count = _group_count(obj, extraIndex, adj_pos);
 809    if (group_count <= 0)
 810      {
 811         if (indx)
 812           free(indx);
 813         indx = NULL;
 814         return;
 815      }
 816
 817    PlacementPart place[adj_pos];
 818    remainder = extraIndex%group_count;
 819    numberofparts=(extraIndex/group_count)+(remainder == 0? 0: 1);
 820
 821    for (i=0;i<numberofparts; i++)
 822      {
 823         place[i].count=group_count+1;
 824         count = (int)(((float)(i+1)/(float)(numberofparts+1))*N);
 825         place[i].start= count +i*group_count-1;
 826      }
 827    if (remainder)
 828      place[numberofparts-1].count=remainder+1;
 829
 830    for (i=0;i<numberofparts;i++)
 831      {
 832         for (j=0;j<place[i].count; j++)
 833           {
 834              indx[((place[i].start)+j)]= MIN_PIXEL_VALUE;
 835           }
 836         indx[(place[i].start+(place[i].count)/2)] = minh-place[i].count+1;
 837      }
 838    count = 0;
 839    EINA_LIST_FOREACH(wd->items, l, it)
 840      {
 841         int size = indx[count];
 842         count++;
 843         if (size == minh)
 844           {
 845              it->vis_letter = eina_stringshare_add(it->letter);
 846              continue;
 847           }
 848         else if (size == 1)
 849           {
 850              eina_stringshare_del(it->vis_letter);
 851              it->vis_letter = eina_stringshare_add("");
 852           }
 853         else
 854           {
 855              eina_stringshare_del(it->vis_letter);
 856              it->vis_letter = eina_stringshare_add(wd->special_char);
 857           }
 858         it->size = size;
 859      }
 860    if (indx)
 861      {
 862         free(indx);
 863         indx = NULL;
 864      }
 865 }
 866
 867 EINA_DEPRECATED EAPI void
 868 elm_index_active_set(Evas_Object *obj, Eina_Bool active)
 869 {
 870    elm_index_autohide_disabled_set(obj, !active);
 871 }
 872
 873 EINA_DEPRECATED EAPI Eina_Bool
 874 elm_index_active_get(const Evas_Object *obj)
 875 {
 876    return !elm_index_autohide_disabled_get(obj);
 877 }
 878
 879 EAPI void
 880 elm_index_autohide_disabled_set(Evas_Object *obj, Eina_Bool disabled)
 881 {
 882    ELM_CHECK_WIDTYPE(obj, widtype);
 883    Widget_Data *wd = elm_widget_data_get(obj);
 884    if (!wd) return;
 885    disabled = !!disabled;
 886    if (wd->autohide_disabled == disabled) return;
 887    wd->autohide_disabled = disabled;
 888    wd->level = 0;
 889    if (wd->autohide_disabled)
 890      {
 891         _index_box_clear(obj, wd->bx[1], 1);
 892         _index_process(obj);
 893         _index_box_auto_fill(obj, wd->bx[0], 0);
 894         edje_object_signal_emit(wd->base, "elm,state,active", "elm");
 895      }
 896    else
 897      edje_object_signal_emit(wd->base, "elm,state,inactive", "elm");
 898
 899    //FIXME: Should be update indicator based on the indicator visiblility
 900 }
 901
 902 EAPI Eina_Bool
 903 elm_index_autohide_disabled_get(const Evas_Object *obj)
 904 {
 905    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 906    Widget_Data *wd = elm_widget_data_get(obj);
 907    if (!wd) return EINA_FALSE;
 908    return wd->autohide_disabled;
 909 }
 910
 911 EAPI void
 912 elm_index_item_level_set(Evas_Object *obj, int level)
 913 {
 914    ELM_CHECK_WIDTYPE(obj, widtype);
 915    Widget_Data *wd = elm_widget_data_get(obj);
 916    if (!wd) return;
 917    if (wd->level == level) return;
 918    wd->level = level;
 919 }
 920
 921 EAPI int
 922 elm_index_item_level_get(const Evas_Object *obj)
 923 {
 924    ELM_CHECK_WIDTYPE(obj, widtype) 0;
 925    Widget_Data *wd = elm_widget_data_get(obj);
 926    if (!wd) return 0;
 927    return wd->level;
 928 }
 929
 930 EAPI void
 931 elm_index_item_selected_set(Elm_Object_Item *it, Eina_Bool selected)
 932 {
 933    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 934    Evas_Coord x, y, w, h;
 935    Widget_Data *wd = elm_widget_data_get(WIDGET(it));
 936    if (!wd) return;
 937
 938    //FIXME: Should be update indicator based on the autohidden status & indicator visiblility
 939
 940    if (selected)
 941      {
 942         evas_object_geometry_get(VIEW(it), &x, &y, &w, &h);
 943         _sel_eval(WIDGET(it), x + (w/2), y + (h/2));
 944      }
 945    else
 946      _sel_eval(WIDGET(it), -99999, -9999);
 947
 948 }
 949
 950 EINA_DEPRECATED EAPI Elm_Object_Item *
 951 elm_index_item_selected_get(const Evas_Object *obj, int level)
 952 {
 953    return elm_index_selected_item_get(obj, level);
 954 }
 955
 956 EAPI Elm_Object_Item *
 957 elm_index_selected_item_get(const Evas_Object *obj, int level)
 958 {
 959    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 960    Widget_Data *wd = elm_widget_data_get(obj);
 961    Eina_List *l;
 962    Elm_Index_Item *it;
 963    if (!wd) return NULL;
 964    EINA_LIST_FOREACH(wd->items, l, it)
 965      {
 966         if ((it->selected) && (it->level == level))
 967           return (Elm_Object_Item *)it;
 968      }
 969    return NULL;
 970 }
 971
 972 EAPI Elm_Object_Item *
 973 elm_index_item_append(Evas_Object *obj, const char *letter, const void *data)
 974 {
 975    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 976    Widget_Data *wd = elm_widget_data_get(obj);
 977    Elm_Index_Item *it;
 978    if (!wd) return NULL;
 979    it = _item_new(obj, letter, NULL, data);
 980    if (!it) return NULL;
 981    wd->items = eina_list_append(wd->items, it);
 982    wd->tot_items_count[wd->level]++;
 983    _index_box_clear(obj, wd->bx[wd->level], wd->level);
 984    return (Elm_Object_Item *)it;
 985 }
 986
 987 EAPI Elm_Object_Item *
 988 elm_index_item_prepend(Evas_Object *obj, const char *letter, const void *data)
 989 {
 990    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 991    Widget_Data *wd = elm_widget_data_get(obj);
 992    Elm_Index_Item *it;
 993
 994    if (!wd) return NULL;
 995    it = _item_new(obj, letter, NULL, data);
 996    if (!it) return NULL;
 997    wd->items = eina_list_prepend(wd->items, it);
 998    wd->tot_items_count[wd->level]++;
 999    _index_box_clear(obj, wd->bx[wd->level], wd->level);
1000    return (Elm_Object_Item *)it;
1001 }
1002
1003 EINA_DEPRECATED EAPI Elm_Object_Item *
1004 elm_index_item_append_relative(Evas_Object *obj, const char *letter, const void *item, const Elm_Object_Item *relative)
1005 {
1006    return elm_index_item_insert_after(obj, (Elm_Object_Item *) relative, letter, NULL, item);
1007 }
1008
1009 EINA_DEPRECATED EAPI Elm_Object_Item *
1010 elm_index_item_prepend_relative(Evas_Object *obj, const char *letter, const void *item, const Elm_Object_Item *relative)
1011 {
1012    return elm_index_item_insert_before(obj, (Elm_Object_Item *) relative, letter, NULL, item);
1013 }
1014
1015 EAPI Elm_Object_Item *
1016 elm_index_item_insert_after(Evas_Object *obj, Elm_Object_Item *after, const char *letter, Evas_Smart_Cb func, const void *data)
1017 {
1018    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1019    Widget_Data *wd = elm_widget_data_get(obj);
1020    Elm_Index_Item *it;
1021    if (!wd) return NULL;
1022    if (!after)
1023      {
1024         it = (Elm_Index_Item *)elm_index_item_append(obj, letter, data);
1025         wd->tot_items_count[wd->level]++;
1026         return (Elm_Object_Item *)it;
1027      }
1028    it = _item_new(obj, letter, func, data);
1029    if (!it) return NULL;
1030    wd->items = eina_list_append_relative(wd->items, it, after);
1031    wd->tot_items_count[wd->level]++;
1032    _index_box_clear(obj, wd->bx[wd->level], wd->level);
1033    return (Elm_Object_Item *)it;
1034 }
1035
1036 EAPI Elm_Object_Item *
1037 elm_index_item_insert_before(Evas_Object *obj, Elm_Object_Item *before, const char *letter, Evas_Smart_Cb func, const void *data)
1038 {
1039    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1040    Widget_Data *wd = elm_widget_data_get(obj);
1041    Elm_Index_Item *it;
1042    if (!wd) return NULL;
1043    if (!before)
1044      {
1045         it = (Elm_Index_Item *)elm_index_item_prepend(obj, letter, data);
1046         wd->tot_items_count[wd->level]++;
1047         return (Elm_Object_Item *)it;
1048      }
1049    it = _item_new(obj, letter, func, data);
1050    if (!it) return NULL;
1051    wd->items = eina_list_prepend_relative(wd->items, it, before);
1052    wd->tot_items_count[wd->level]++;
1053    _index_box_clear(obj, wd->bx[wd->level], wd->level);
1054    return (Elm_Object_Item *)it;
1055 }
1056
1057 EAPI Elm_Object_Item *
1058 elm_index_item_sorted_insert(Evas_Object *obj, const char *letter, const void *data, Eina_Compare_Cb cmp_func, Eina_Compare_Cb cmp_data_func)
1059 {
1060    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1061    Widget_Data *wd = elm_widget_data_get(obj);
1062    Eina_List *lnear;
1063    Elm_Index_Item *it;
1064    int cmp;
1065
1066    if (!wd) return NULL;
1067    if (!(wd->items))
1068      return elm_index_item_append(obj, letter, data);
1069
1070    it = _item_new(obj, letter, NULL, data);
1071    if (!it) return NULL;
1072
1073    lnear = eina_list_search_sorted_near_list(wd->items, cmp_func, it, &cmp);
1074    if (cmp < 0)
1075      wd->items =  eina_list_append_relative_list(wd->items, it, lnear);
1076    else if (cmp > 0)
1077      wd->items = eina_list_prepend_relative_list(wd->items, it, lnear);
1078    else
1079      {
1080         /* If cmp_data_func is not provided, append a duplicated item */
1081         if (!cmp_data_func)
1082           wd->items =  eina_list_append_relative_list(wd->items, it, lnear);
1083         else
1084           {
1085              Elm_Index_Item *p_it = eina_list_data_get(lnear);
1086              if (cmp_data_func(p_it->base.data, it->base.data) >= 0)
1087                p_it->base.data = it->base.data;
1088              _item_free(it);
1089              elm_widget_item_free(it);
1090           }
1091      }
1092    _index_box_clear(obj, wd->bx[wd->level], wd->level);
1093    return (Elm_Object_Item *)it;
1094 }
1095
1096 EAPI void
1097 elm_index_item_del(Evas_Object *obj __UNUSED__, Elm_Object_Item *it)
1098 {
1099    elm_object_item_del(it);
1100 }
1101
1102 EAPI Elm_Object_Item *
1103 elm_index_item_find(Evas_Object *obj, const void *data)
1104 {
1105    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1106    Widget_Data *wd = elm_widget_data_get(obj);
1107    if (!wd) return NULL;
1108    return (Elm_Object_Item *) _item_find(obj, data);
1109 }
1110
1111 EAPI void
1112 elm_index_item_clear(Evas_Object *obj)
1113 {
1114    ELM_CHECK_WIDTYPE(obj, widtype);
1115    Widget_Data *wd = elm_widget_data_get(obj);
1116    Elm_Index_Item *it;
1117    Eina_List *l, *clear = NULL;
1118    if (!wd) return;
1119    _index_box_clear(obj, wd->bx[wd->level], wd->level);
1120    EINA_LIST_FOREACH(wd->items, l, it)
1121      {
1122         if (it->level != wd->level) continue;
1123         clear = eina_list_append(clear, it);
1124      }
1125    EINA_LIST_FREE(clear, it)
1126      {
1127         wd->tot_items_count[wd->level]--;
1128         _item_free(it);
1129         elm_widget_item_free(it);
1130      }
1131 }
1132
1133 EINA_DEPRECATED EAPI void
1134 elm_index_item_go(Evas_Object *obj, int level __UNUSED__)
1135 {
1136    elm_index_level_go(obj, level);
1137 }
1138
1139 EAPI void
1140 elm_index_level_go(Evas_Object *obj, int level __UNUSED__)
1141 {
1142    ELM_CHECK_WIDTYPE(obj, widtype);
1143    Widget_Data *wd = elm_widget_data_get(obj);
1144    if (!wd) return;
1145    //FIXME: Check the crash problem
1146 //   if(level == 0) _index_process(obj);
1147    _index_box_auto_fill(obj, wd->bx[0], 0);
1148    if (wd->level == 1) _index_box_auto_fill(obj, wd->bx[1], 1);
1149 }
1150
1151 EAPI void *
1152 elm_index_item_data_get(const Elm_Object_Item *it)
1153 {
1154    return elm_object_item_data_get(it);
1155 }
1156
1157 EAPI void
1158 elm_index_item_data_set(Elm_Object_Item *it, const void *data)
1159 {
1160    elm_object_item_data_set(it, (void *) data);
1161 }
1162
1163 EAPI void
1164 elm_index_indicator_disabled_set(Evas_Object *obj, Eina_Bool disabled)
1165 {
1166    ELM_CHECK_WIDTYPE(obj, widtype);
1167    Widget_Data *wd = elm_widget_data_get(obj);
1168    if (!wd) return;
1169
1170    disabled = !!disabled;
1171    if (wd->indicator_disabled == disabled) return;
1172    wd->indicator_disabled = disabled;
1173    if (!wd->items) return;
1174    if (disabled)
1175      edje_object_signal_emit(wd->base, "elm,indicator,state,inactive", "elm");
1176    else
1177      edje_object_signal_emit(wd->base, "elm,indicator,state,active", "elm");
1178 }
1179
1180 EAPI Eina_Bool
1181 elm_index_indicator_disabled_get(const Evas_Object *obj)
1182 {
1183    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
1184    Widget_Data *wd = elm_widget_data_get(obj);
1185    if (!wd) return EINA_FALSE;
1186
1187    return wd->indicator_disabled;
1188 }
1189
1190 EAPI void
1191 elm_index_item_del_cb_set(Elm_Object_Item *it, Evas_Smart_Cb func)
1192 {
1193    elm_object_item_del_cb_set(it, func);
1194 }
1195
1196 EAPI const char *
1197 elm_index_item_letter_get(const Elm_Object_Item *it)
1198 {
1199    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
1200    return ((Elm_Index_Item *)it)->letter;
1201 }
1202
1203 EAPI void
1204 elm_index_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
1205 {
1206    ELM_CHECK_WIDTYPE(obj, widtype);
1207    Widget_Data *wd = elm_widget_data_get(obj);
1208    if (!wd) return;
1209
1210    horizontal = !!horizontal;
1211    if (horizontal == wd->horizontal) return;
1212    wd->horizontal = horizontal;
1213    _theme_hook(obj);
1214 }
1215
1216 EAPI Eina_Bool
1217 elm_index_horizontal_get(const Evas_Object *obj)
1218 {
1219    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
1220    Widget_Data *wd = elm_widget_data_get(obj);
1221    if (!wd) return EINA_FALSE;
1222    return wd->horizontal;
1223 }
1224
1225