src/lib/elm_diskselector.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3 #include "els_scroller.h"
   4
   5 #ifndef MAX
   6 # define MAX(a, b) (((a) > (b)) ? (a) : (b))
   7 #endif
   8
   9 #ifndef CEIL
  10 #define CEIL(a) (((a) % 2 != 0) ? ((a) / 2 + 1) : ((a) / 2))
  11 #endif
  12
  13 #define DISPLAY_ITEM_NUM_MIN 3
  14
  15 typedef struct _Widget_Data Widget_Data;
  16
  17 struct _Widget_Data
  18 {
  19    Evas_Object *self;
  20    Evas_Object *scroller;
  21    Evas_Object *main_box;
  22    Evas_Object *left_blank;
  23    Evas_Object *right_blank;
  24    Elm_Diskselector_Item *selected_item;
  25    Elm_Diskselector_Item *first;
  26    Elm_Diskselector_Item *second;
  27    Elm_Diskselector_Item *s_last;
  28    Elm_Diskselector_Item *last;
  29    Eina_List *items;
  30    Eina_List *r_items;
  31    Eina_List *over_items;
  32    Eina_List *under_items;
  33    int item_count, len_threshold, len_side, display_item_num;
  34    Ecore_Idle_Enterer *idler;
  35    Ecore_Idle_Enterer *check_idler;
  36    Evas_Coord minw, minh;
  37    Eina_Bool init:1;
  38    Eina_Bool round:1;
  39    Eina_Bool display_item_num_by_api:1;
  40 };
  41
  42 struct _Elm_Diskselector_Item
  43 {
  44    ELM_WIDGET_ITEM;
  45    Eina_List *node;
  46    Evas_Object *icon;
  47    const char *label;
  48    Evas_Smart_Cb func;
  49 };
  50
  51 static const char *widtype = NULL;
  52
  53 #define ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, ...)                  \
  54    ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
  55    ELM_CHECK_WIDTYPE(WIDGET(it), widtype) __VA_ARGS__;
  56
  57 static Eina_Bool _move_scroller(void *data);
  58 static void _del_hook(Evas_Object * obj);
  59 static void _del_pre_hook(Evas_Object * obj);
  60 static void _sizing_eval(Evas_Object * obj);
  61 static void _theme_hook(Evas_Object * obj);
  62 static void _on_focus_hook(void *data, Evas_Object *obj);
  63 static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src, Evas_Callback_Type type, void *event_info);
  64 static void _sub_del(void *data, Evas_Object * obj, void *event_info);
  65 static void _round_items_del(Widget_Data *wd);
  66 static void _scroller_move_cb(void *data, Evas_Object *obj, void *event_info);
  67 static void _item_click_cb(void *data, Evas_Object *obj __UNUSED__,
  68                            const char *emission __UNUSED__,
  69                            const char *source __UNUSED__);
  70 static void _selected_item_indicate(Elm_Diskselector_Item *it);
  71
  72 static const char SIG_SELECTED[] = "selected";
  73 static const Evas_Smart_Cb_Description _signals[] = {
  74        {SIG_SELECTED, ""},
  75        {NULL, NULL}
  76 };
  77
  78 static void
  79 _diskselector_object_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
  80 {
  81    Widget_Data *wd;
  82    Evas_Coord w, h;
  83
  84    wd = elm_widget_data_get(data);
  85    if (!wd) return;
  86
  87    if ((wd->minw == -1) && (wd->minh == -1))
  88       elm_coords_finger_size_adjust(6, &wd->minw, 1, &wd->minh);
  89    edje_object_size_min_restricted_calc
  90       (elm_smart_scroller_edje_object_get
  91           (wd->scroller), &wd->minw, &wd->minh, wd->minw, wd->minh);
  92    evas_object_size_hint_min_set(obj, wd->minw, wd->minh);
  93    evas_object_size_hint_max_set(obj, -1, -1);
  94
  95    evas_object_geometry_get(wd->scroller, NULL, NULL, &w, &h);
  96    if (wd->round)
  97      evas_object_resize(wd->main_box, (w / wd->display_item_num) * (wd->item_count + (CEIL(wd->display_item_num) * 2)), h);
  98    else
  99      evas_object_resize(wd->main_box, (w / wd->display_item_num) * (wd->item_count + CEIL(wd->display_item_num)), h);
 100
 101    elm_smart_scroller_paging_set(wd->scroller, 0, 0,
 102                                  (int)(w / wd->display_item_num), 0);
 103
 104    if (!wd->idler)
 105      wd->idler = ecore_idle_enterer_before_add(_move_scroller, data);
 106 }
 107
 108 static Elm_Diskselector_Item *
 109 _item_new(Evas_Object *obj, Evas_Object *icon, const char *label, Evas_Smart_Cb func, const void *data)
 110 {
 111    Elm_Diskselector_Item *it;
 112    const char *style = elm_widget_style_get(obj);
 113
 114    it = elm_widget_item_new(obj, Elm_Diskselector_Item);
 115    if (!it) return NULL;
 116
 117    it->label = eina_stringshare_add(label);
 118    it->icon = icon;
 119    it->func = func;
 120    it->base.data = data;
 121    VIEW(it) = edje_object_add(evas_object_evas_get(obj));
 122    _elm_theme_object_set(obj, VIEW(it), "diskselector", "item", style);
 123    evas_object_size_hint_weight_set(VIEW(it), EVAS_HINT_EXPAND,
 124                                     EVAS_HINT_EXPAND);
 125    evas_object_size_hint_align_set(VIEW(it), EVAS_HINT_FILL,
 126                                    EVAS_HINT_FILL);
 127    evas_object_show(VIEW(it));
 128
 129    if (it->label)
 130      {
 131         edje_object_part_text_set(VIEW(it), "elm.text", it->label);
 132         edje_object_signal_callback_add(VIEW(it), "elm,action,click", "", _item_click_cb, it);
 133      }
 134    if (it->icon)
 135      {
 136         evas_object_size_hint_min_set(it->icon, 24, 24);
 137         evas_object_size_hint_max_set(it->icon, 40, 40);
 138         edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
 139         evas_object_show(it->icon);
 140         elm_widget_sub_object_add(obj, it->icon);
 141      }
 142    return it;
 143 }
 144
 145 static void
 146 _item_del(Elm_Diskselector_Item *item)
 147 {
 148    if (!item) return;
 149    eina_stringshare_del(item->label);
 150    if (item->icon)
 151      evas_object_del(item->icon);
 152    elm_widget_item_del(item);
 153 }
 154
 155 static void
 156 _theme_data_get(Widget_Data *wd)
 157 {
 158    const char* str;
 159    str = edje_object_data_get(wd->right_blank, "len_threshold");
 160    if (str) wd->len_threshold = MAX(0, atoi(str));
 161    else wd->len_threshold = 0;
 162
 163    if (!wd->display_item_num_by_api)
 164      {
 165         str = edje_object_data_get(wd->right_blank, "display_item_num");
 166         if (str) wd->display_item_num = MAX(DISPLAY_ITEM_NUM_MIN, atoi(str));
 167         else wd->display_item_num = DISPLAY_ITEM_NUM_MIN;
 168      }
 169
 170    str = edje_object_data_get(wd->right_blank, "min_width");
 171    if (str) wd->minw = MAX(-1, atoi(str));
 172    else wd->minw = -1;
 173
 174    str = edje_object_data_get(wd->right_blank, "min_height");
 175    if (str) wd->minh = MAX(-1, atoi(str));
 176    else wd->minh = -1;
 177 }
 178
 179 static void
 180 _del_hook(Evas_Object * obj)
 181 {
 182    Widget_Data *wd = elm_widget_data_get(obj);
 183    if (!wd) return;
 184    free(wd);
 185 }
 186
 187 static void
 188 _del_pre_hook(Evas_Object * obj)
 189 {
 190    Elm_Diskselector_Item *it;
 191    Eina_List *l;
 192
 193    Widget_Data *wd = elm_widget_data_get(obj);
 194    if (!wd) return;
 195
 196    if (wd->left_blank)
 197      evas_object_del(wd->left_blank);
 198    if (wd->right_blank)
 199      evas_object_del(wd->right_blank);
 200    if (wd->last)
 201      {
 202         eina_stringshare_del(wd->last->label);
 203         evas_object_del(wd->VIEW(last));
 204         free(wd->last);
 205      }
 206    if (wd->s_last)
 207      {
 208         eina_stringshare_del(wd->s_last->label);
 209         evas_object_del(wd->VIEW(s_last));
 210         free(wd->s_last);
 211      }
 212    if (wd->second)
 213      {
 214         eina_stringshare_del(wd->second->label);
 215         evas_object_del(wd->VIEW(second));
 216         free(wd->second);
 217      }
 218    if (wd->first)
 219      {
 220         eina_stringshare_del(wd->first->label);
 221         evas_object_del(wd->VIEW(first));
 222         free(wd->first);
 223      }
 224
 225    EINA_LIST_FOREACH(wd->under_items, l, it)
 226      {
 227         if (it)
 228           {
 229              eina_stringshare_del(it->label);
 230              evas_object_del(VIEW(it));
 231              free(it);
 232           }
 233      }
 234
 235    EINA_LIST_FOREACH(wd->over_items, l, it)
 236    {
 237      if (it)
 238         {
 239            eina_stringshare_del(it->label);
 240            evas_object_del(VIEW(it));
 241            free(it);
 242         }
 243    }
 244
 245    EINA_LIST_FREE(wd->items, it) _item_del(it);
 246    eina_list_free(wd->r_items);
 247 }
 248
 249 static void
 250 _sizing_eval(Evas_Object * obj)
 251 {
 252    Widget_Data *wd = elm_widget_data_get(obj);
 253    if (!wd) return;
 254    _diskselector_object_resize(obj, NULL, obj, NULL);
 255 }
 256
 257 static void
 258 _theme_hook(Evas_Object * obj)
 259 {
 260    Eina_List *l;
 261    Elm_Diskselector_Item *it;
 262    Widget_Data *wd = elm_widget_data_get(obj);
 263    if (!wd) return;
 264
 265    if (wd->scroller)
 266      elm_smart_scroller_object_theme_set(obj, wd->scroller, "diskselector",
 267                                          "base", elm_widget_style_get(obj));
 268    if (wd->round)
 269      {
 270         EINA_LIST_FOREACH(wd->r_items, l, it)
 271           {
 272              _elm_theme_object_set(obj, VIEW(it), "diskselector", "item",
 273                                    elm_widget_style_get(obj));
 274              edje_object_part_text_set(VIEW(it), "elm.text", it->label);
 275           }
 276      }
 277    else
 278      {
 279         EINA_LIST_FOREACH(wd->items, l, it)
 280           {
 281              _elm_theme_object_set(obj, VIEW(it), "diskselector", "item",
 282                                    elm_widget_style_get(obj));
 283              edje_object_part_text_set(VIEW(it), "elm.text", it->label);
 284           }
 285      }
 286    _elm_theme_object_set(obj, wd->right_blank, "diskselector", "item",
 287                                    elm_widget_style_get(obj));
 288    _theme_data_get(wd);
 289    _sizing_eval(obj);
 290 }
 291
 292 static void
 293 _sub_del(void *data __UNUSED__, Evas_Object * obj, void *event_info)
 294 {
 295    Widget_Data *wd = elm_widget_data_get(obj);
 296    Evas_Object *sub = event_info;
 297    Elm_Diskselector_Item *it;
 298    const Eina_List *l;
 299
 300    if (!wd) return;
 301    if (!sub) abort();
 302    if (sub == wd->scroller)
 303      wd->scroller = NULL;
 304    else
 305      {
 306         EINA_LIST_FOREACH(wd->items, l, it)
 307           {
 308              if (sub == it->icon)
 309                {
 310                   it->icon = NULL;
 311                   _sizing_eval(obj);
 312                   break;
 313                }
 314           }
 315      }
 316 }
 317
 318 static void
 319 _select_item(Elm_Diskselector_Item *it)
 320 {
 321    if (!it) return;
 322    Widget_Data *wd = elm_widget_data_get(WIDGET(it));
 323    wd->selected_item = it;
 324    _selected_item_indicate(wd->selected_item);
 325    if (it->func) it->func((void *)it->base.data, WIDGET(it), it);
 326    evas_object_smart_callback_call(WIDGET(it), SIG_SELECTED, it);
 327 }
 328
 329 static void
 330 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
 331 {
 332    Widget_Data *wd = elm_widget_data_get(obj);
 333    if (!wd)
 334      return;
 335
 336    if (elm_widget_focus_get(obj))
 337      {
 338         edje_object_signal_emit(wd->self, "elm,action,focus", "elm");
 339         evas_object_focus_set(wd->self, EINA_TRUE);
 340      }
 341    else
 342      {
 343         edje_object_signal_emit(wd->self, "elm,action,unfocus", "elm");
 344         evas_object_focus_set(wd->self, EINA_FALSE);
 345      }
 346 }
 347
 348 static Eina_Bool
 349 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
 350 {
 351    if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
 352    Evas_Event_Key_Down *ev = event_info;
 353    Widget_Data *wd = elm_widget_data_get(obj);
 354    if (!wd) return EINA_FALSE;
 355    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
 356    if (elm_widget_disabled_get(obj)) return EINA_FALSE;
 357
 358    Elm_Diskselector_Item *it = NULL;
 359    Eina_List *l;
 360
 361    if (!wd->selected_item) {
 362         ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 363         return EINA_TRUE;
 364    }
 365
 366    if ((!strcmp(ev->keyname, "Left")) || (!strcmp(ev->keyname, "KP_Left")) ||
 367        (!strcmp(ev->keyname, "Up"))  || (!strcmp(ev->keyname, "KP_Up")))
 368      {
 369         l = wd->selected_item->node->prev;
 370         if ((!l) && (wd->round))
 371           l = eina_list_last(wd->items);
 372      }
 373    else if ((!strcmp(ev->keyname, "Right")) || (!strcmp(ev->keyname, "KP_Right")) ||
 374             (!strcmp(ev->keyname, "Down")) || (!strcmp(ev->keyname, "KP_Down")))
 375      {
 376         l = wd->selected_item->node->next;
 377         if ((!l) && (wd->round))
 378           l = wd->items;
 379      }
 380    else if ((!strcmp(ev->keyname, "Home")) || (!strcmp(ev->keyname, "KP_Home")))
 381      l = wd->items;
 382    else if ((!strcmp(ev->keyname, "End")) || (!strcmp(ev->keyname, "KP_End")))
 383      l = eina_list_last(wd->items);
 384    else return EINA_FALSE;
 385
 386    if (l)
 387      it = eina_list_data_get(l);
 388
 389    if (it)
 390      {
 391         wd->selected_item = it;
 392         if (!wd->idler)
 393           wd->idler = ecore_idle_enterer_before_add(_move_scroller, obj);
 394      }
 395
 396    ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 397    return EINA_TRUE;
 398 }
 399
 400 static int
 401 _count_letter(const char *str)
 402 {
 403    int pos = 0;
 404    int code = 0, chnum;
 405
 406    for (chnum = 0; ; chnum++)
 407      {
 408         pos = evas_string_char_next_get(str, pos, &code);
 409         if (code == 0) break;
 410      }
 411    return chnum;
 412 }
 413
 414 static int
 415 _check_letter(const char *str, int length)
 416 {
 417    int pos = 0;
 418    int code = 0, chnum;
 419
 420    for (chnum = 0; ; chnum++)
 421      {
 422         if (chnum == length) break;
 423         pos = evas_string_char_next_get(str, pos, &code);
 424         if (code == 0) break;
 425      }
 426    return pos;
 427 }
 428
 429 static Eina_Bool
 430 _check_string(void *data)
 431 {
 432    int mid, steps, length, diff;
 433    Elm_Diskselector_Item *it;
 434    Eina_List *list, *l;
 435    Evas_Coord ox, ow;
 436    char buf[1024];
 437    Widget_Data *wd = data;
 438
 439    evas_object_geometry_get(wd->scroller, &ox, NULL, &ow, NULL);
 440    if (ow <= 0)
 441      return EINA_FALSE;
 442    if (!wd->init)
 443      return EINA_FALSE;
 444    if (!wd->round)
 445      list = wd->items;
 446    else
 447      list = wd->r_items;
 448
 449    EINA_LIST_FOREACH(list, l, it)
 450      {
 451         Evas_Coord x, w;
 452         int len;
 453         evas_object_geometry_get(VIEW(it), &x, NULL, &w, NULL);
 454         /* item not visible */
 455         if ((x + w <= ox) || (x >= ox + ow))
 456           continue;
 457
 458         len = _count_letter(it->label);
 459 //        // FIXME: len should be # of ut8f letters. ie count using utf8 string walk, not stringshare len
 460 //        len = eina_stringshare_strlen(it->label);
 461
 462         if (x <= ox + 5)
 463           edje_object_signal_emit(VIEW(it), "elm,state,left_side",
 464                                   "elm");
 465         else if (x + w >= ox + ow - 5)
 466           edje_object_signal_emit(VIEW(it), "elm,state,right_side",
 467                                   "elm");
 468         else
 469           {
 470              if ((wd->len_threshold) && (len > wd->len_threshold))
 471                edje_object_signal_emit(VIEW(it), "elm,state,center_small",
 472                                        "elm");
 473              else
 474                edje_object_signal_emit(VIEW(it), "elm,state,center",
 475                                        "elm");
 476           }
 477
 478         // if len is les that the limit len, skip anyway
 479         if (len <= wd->len_side)
 480           continue;
 481
 482         steps = len - wd->len_side + 1;
 483         mid = x + w / 2;
 484         if (mid <= ox + ow / 2)
 485           diff = (ox + ow / 2) - mid;
 486         else
 487           diff = mid - (ox + ow / 2);
 488
 489         length = len - (int)(diff * steps / (ow / 3));
 490         length = MAX(length, wd->len_side);
 491         // limit string len to "length" ut8f chars
 492         length = _check_letter(it->label, length);
 493         // cut it off at byte mark returned form _check_letter
 494         strncpy(buf, it->label, length);
 495         buf[length] = '\0';
 496         edje_object_part_text_set(VIEW(it), "elm.text", buf);
 497      }
 498
 499    if (wd->check_idler)
 500      ecore_idle_enterer_del(wd->check_idler);
 501    wd->check_idler = NULL;
 502    return EINA_FALSE;
 503 }
 504
 505 static void
 506 _selected_item_indicate(Elm_Diskselector_Item *it)
 507 {
 508    Elm_Diskselector_Item *item;
 509    Eina_List *l;
 510    Widget_Data *wd;
 511    wd = elm_widget_data_get(WIDGET(it));
 512
 513    if (!wd) return;
 514
 515    EINA_LIST_FOREACH(wd->r_items, l, item)
 516      {
 517         if (!strcmp(item->label, it->label)) edje_object_signal_emit(VIEW(item), "elm,state,selected", "elm");
 518         else
 519            edje_object_signal_emit(VIEW(item), "elm,state,default", "elm");
 520      }
 521 }
 522
 523 static void
 524 _item_click_cb(void *data, Evas_Object *obj __UNUSED__,
 525                const char *emission __UNUSED__, const char *source __UNUSED__)
 526 {
 527    Elm_Diskselector_Item *it = data;
 528
 529    if (!it) return;
 530
 531    Widget_Data *wd;
 532    wd = elm_widget_data_get(WIDGET(it));
 533
 534    if (!wd) return;
 535
 536    if (wd->selected_item != it)
 537      {
 538         wd->selected_item = it;
 539         _selected_item_indicate(wd->selected_item);
 540      }
 541
 542    if (it->func) it->func((void *)it->base.data, WIDGET(it), it);
 543 }
 544
 545 static void
 546 _scroller_move_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 547 {
 548    Evas_Coord x, y, w, h, bw;
 549    Widget_Data *wd = data;
 550
 551    _check_string(wd);
 552    elm_smart_scroller_child_pos_get(obj, &x, &y);
 553    elm_smart_scroller_child_viewport_size_get(obj, &w, &h);
 554    if (wd->round)
 555      {
 556         evas_object_geometry_get(wd->main_box, NULL, NULL, &bw, NULL);
 557         if (x > ((w / wd->display_item_num) * (wd->item_count + (wd->display_item_num % 2))))
 558            elm_smart_scroller_child_region_show(wd->scroller,
 559                                                x - ((w / wd->display_item_num) * wd->item_count),
 560                                                y, w, h);
 561         else if (x < 0)
 562            elm_smart_scroller_child_region_show(wd->scroller,
 563                                                x + ((w / wd->display_item_num) * wd->item_count),
 564                                                y, w, h);
 565      }
 566 }
 567
 568 static void
 569 _scroller_stop_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 570 {
 571    Elm_Diskselector_Item *it;
 572    Widget_Data *wd = data;
 573    Evas_Coord x, w, ow;
 574    Eina_List *l, *list;
 575
 576    if (wd->idler)
 577      return;
 578
 579    if (!wd->round)
 580      list = wd->items;
 581    else
 582      list = wd->r_items;
 583
 584    evas_object_geometry_get(wd->scroller, NULL, NULL, &ow, NULL);
 585    EINA_LIST_FOREACH(list, l, it)
 586      {
 587         evas_object_geometry_get(VIEW(it), &x, NULL, &w, NULL);
 588         if (abs((int)(ow / 2 - (int)(x + w / 2))) < 10)
 589           break;
 590      }
 591
 592    if (!it)
 593      return;
 594
 595    _select_item(it);
 596 }
 597
 598 static Eina_Bool
 599 _move_scroller(void *data)
 600 {
 601    Evas_Object *obj = data;
 602    Widget_Data *wd;
 603    Eina_List *list, *l;
 604    Elm_Diskselector_Item *dit;
 605    Evas_Coord y, w, h;
 606    int i;
 607
 608    wd = elm_widget_data_get(obj);
 609    if (!wd) return EINA_FALSE;
 610
 611    if (!wd->round)
 612      {
 613         i = 0;
 614         list = wd->items;
 615      }
 616    else
 617      {
 618         i = 1;
 619         list = wd->r_items;
 620      }
 621
 622    EINA_LIST_FOREACH(list, l, dit)
 623      {
 624         if (wd->selected_item == dit)
 625            break;
 626         i++;
 627      }
 628
 629    if (wd->round) i -= CEIL(wd->display_item_num);
 630
 631    if (!dit)
 632      {
 633         wd->selected_item =
 634            (Elm_Diskselector_Item *) eina_list_nth(wd->items, 0);
 635         return EINA_FALSE;
 636      }
 637
 638    evas_object_geometry_get(wd->scroller, NULL, &y, &w, &h);
 639    elm_smart_scroller_child_region_show(wd->scroller, w / wd->display_item_num * i, y, w, h);
 640    _select_item(dit);
 641    if (wd->idler)
 642      {
 643         ecore_idle_enterer_del(wd->idler);
 644         wd->idler = NULL;
 645      }
 646    wd->init = EINA_TRUE;
 647    _check_string(wd);
 648
 649    return EINA_TRUE;
 650 }
 651
 652 static void
 653 _round_item_del(Widget_Data *wd, Elm_Diskselector_Item *it)
 654 {
 655    if (!it) return;
 656    elm_box_unpack(wd->main_box, VIEW(it));
 657    wd->r_items = eina_list_remove(wd->r_items, it);
 658    eina_stringshare_del(it->label);
 659    evas_object_del(VIEW(it));
 660    free(it);
 661 }
 662
 663 static void
 664 _round_items_del(Widget_Data *wd)
 665 {
 666    Eina_List *l;
 667    Elm_Diskselector_Item * it;
 668
 669    _round_item_del(wd, wd->last);
 670    wd->last = NULL;
 671    _round_item_del(wd, wd->s_last);
 672    wd->s_last = NULL;
 673    _round_item_del(wd, wd->second);
 674    wd->second = NULL;
 675    _round_item_del(wd, wd->first);
 676    wd->first = NULL;
 677
 678    EINA_LIST_FOREACH(wd->under_items, l, it)
 679      {
 680         _round_item_del(wd, it);
 681         it = NULL;
 682      }
 683
 684    EINA_LIST_FOREACH(wd->over_items, l, it)
 685      {
 686         _round_item_del(wd, it);
 687         it = NULL;
 688      }
 689 }
 690
 691 static void
 692 _round_items_add(Widget_Data *wd)
 693 {
 694    Elm_Diskselector_Item *dit;
 695    Elm_Diskselector_Item *it;
 696    Elm_Diskselector_Item *temp_it;
 697    int i = 0;
 698    dit = it = eina_list_nth(wd->items, 0);
 699    if (!dit) return;
 700
 701    if (!wd->first)
 702      {
 703         wd->first = _item_new(WIDGET(it), it->icon, it->label, it->func,
 704                               it->base.data);
 705         wd->first->node = it->node;
 706         wd->r_items = eina_list_append(wd->r_items, wd->first);
 707      }
 708
 709    it = eina_list_nth(wd->items, 1);
 710    if (!it)
 711      it = dit;
 712    if (!wd->second)
 713      {
 714         wd->second = _item_new(WIDGET(it), it->icon, it->label, it->func,
 715                                it->base.data);
 716         wd->second->node = it->node;
 717         wd->r_items = eina_list_append(wd->r_items, wd->second);
 718      }
 719
 720    // if more than 3 itmes should be displayed
 721    for (i = 2; i < CEIL(wd->display_item_num); i++)
 722      {
 723         it = eina_list_nth(wd->items, i);
 724         if (!it) it = dit;
 725         temp_it = _item_new(WIDGET(it), it->icon, it->label, it->func, it->base.data);
 726         wd->over_items = eina_list_append(wd->over_items, temp_it);
 727         wd->r_items = eina_list_append(wd->r_items, temp_it);
 728      }
 729
 730    it = eina_list_nth(wd->items, wd->item_count - 1);
 731    if (!it)
 732      it = dit;
 733    if (!wd->last)
 734      {
 735         wd->last = _item_new(WIDGET(it), it->icon, it->label, it->func,
 736                              it->base.data);
 737         wd->last->node = it->node;
 738         wd->r_items = eina_list_prepend(wd->r_items, wd->last);
 739      }
 740
 741    it = eina_list_nth(wd->items, wd->item_count - 2);
 742    if (!it)
 743      it = dit;
 744    if (!wd->s_last)
 745      {
 746         wd->s_last = _item_new(WIDGET(it), it->icon, it->label, it->func,
 747                                it->base.data);
 748         wd->s_last->node = it->node;
 749         wd->r_items = eina_list_prepend(wd->r_items, wd->s_last);
 750      }
 751
 752    // if more than 3 itmes should be displayed
 753    for (i = 3; i <= CEIL(wd->display_item_num); i++)
 754      {
 755         it = eina_list_nth(wd->items, wd->item_count - i);
 756         if (!it) it = dit;
 757         temp_it = _item_new(WIDGET(it), it->icon, it->label, it->func, it->base.data);
 758         wd->under_items = eina_list_append(wd->under_items, temp_it);
 759         wd->r_items = eina_list_prepend(wd->r_items, temp_it);
 760      }
 761 }
 762
 763 static void
 764 _item_icon_set(Elm_Diskselector_Item *it, Evas_Object *icon)
 765 {
 766    if (it->icon == icon) return;
 767    if (it->icon)
 768      evas_object_del(it->icon);
 769    it->icon = icon;
 770    if (VIEW(it))
 771      {
 772         evas_object_size_hint_min_set(it->icon, 24, 24);
 773         evas_object_size_hint_max_set(it->icon, 40, 40);
 774         edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
 775         evas_object_show(it->icon);
 776         elm_widget_sub_object_add(WIDGET(it), it->icon);
 777      }
 778 }
 779
 780 static void
 781 _check_identical_item(Elm_Diskselector_Item *it, Evas_Object *icon)
 782 {
 783    Widget_Data *wd;
 784    Elm_Diskselector_Item *dit;
 785    Eina_List *l;
 786    int idx = 0;
 787    int ic = 0;
 788    int ac = 0;
 789
 790    wd = elm_widget_data_get(WIDGET(it));
 791    if (!wd) return;
 792
 793    if (wd->round)
 794      {
 795         // Get index from indentical item from round items
 796         EINA_LIST_FOREACH(wd->r_items, l, dit)
 797           {
 798              if (it == dit) break;
 799              idx++;
 800           }
 801
 802         // No item to match
 803         ic = eina_list_count(wd->r_items);
 804         if (idx >= ic) return;
 805         dit = NULL;
 806
 807         // Number of added items: CEIL(wd->display_item_num)
 808         ac = CEIL(wd->display_item_num);
 809
 810         if (((idx >= 0) && (idx < ac)) ||
 811             ((idx >= ac) && (idx < (2 * ac))))
 812           {
 813               // Selected item: under, low region
 814              dit = eina_list_nth(wd->r_items,
 815                                  idx + ic - (2 * ac));
 816           }
 817         else if (((idx >= (ic - ac)) && (idx < ic)) ||
 818                  ((idx >= (ic - (2 * ac))) && (idx < ic - ac)))
 819           {
 820               // Selected item: over, high region
 821               dit = eina_list_nth(wd->r_items,
 822                                   idx - ic + (2 * ac));
 823           }
 824
 825         if(dit) _item_icon_set(dit, icon);
 826         _sizing_eval(wd->self);
 827      }
 828 }
 829
 830 EAPI Evas_Object *
 831 elm_diskselector_add(Evas_Object *parent)
 832 {
 833    Evas *e;
 834    Evas_Object *obj;
 835    Widget_Data *wd;
 836
 837    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 838
 839    ELM_SET_WIDTYPE(widtype, "diskselector");
 840    elm_widget_type_set(obj, "diskselector");
 841    elm_widget_sub_object_add(parent, obj);
 842    elm_widget_data_set(obj, wd);
 843    elm_widget_del_hook_set(obj, _del_hook);
 844    elm_widget_del_pre_hook_set(obj, _del_pre_hook);
 845    elm_widget_theme_hook_set(obj, _theme_hook);
 846    elm_widget_can_focus_set(obj, EINA_TRUE);
 847    elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
 848    elm_widget_event_hook_set(obj, _event_hook);
 849
 850    wd->self = obj;
 851    wd->item_count = 0;
 852    wd->round = EINA_FALSE;
 853    wd->init = EINA_FALSE;
 854    wd->len_side = 3;
 855    wd->display_item_num_by_api = EINA_FALSE;
 856
 857    wd->scroller = elm_smart_scroller_add(e);
 858    elm_smart_scroller_widget_set(wd->scroller, obj);
 859    _theme_hook(obj);
 860    elm_widget_resize_object_set(obj, wd->scroller);
 861    elm_smart_scroller_policy_set(wd->scroller, ELM_SMART_SCROLLER_POLICY_OFF,
 862                                  ELM_SMART_SCROLLER_POLICY_OFF);
 863    elm_smart_scroller_bounce_allow_set(wd->scroller, EINA_TRUE, EINA_FALSE);
 864    evas_object_smart_callback_add(wd->scroller, "scroll", _scroller_move_cb,
 865                                   wd);
 866    evas_object_smart_callback_add(wd->scroller, "animate,stop",
 867                                   _scroller_stop_cb, wd);
 868    _elm_theme_object_set(obj, wd->scroller, "diskselector", "base",
 869                          "default");
 870    evas_object_event_callback_add(wd->scroller, EVAS_CALLBACK_RESIZE,
 871                                   _diskselector_object_resize, obj);
 872
 873    wd->main_box = elm_box_add(parent);
 874    elm_box_horizontal_set(wd->main_box, EINA_TRUE);
 875    elm_box_homogeneous_set(wd->main_box, EINA_TRUE);
 876    evas_object_size_hint_weight_set(wd->main_box, EVAS_HINT_EXPAND,
 877                                     EVAS_HINT_EXPAND);
 878    evas_object_size_hint_align_set(wd->main_box, EVAS_HINT_FILL,
 879                                    EVAS_HINT_FILL);
 880    _elm_theme_object_set(obj, wd->main_box, "diskselector", "base",
 881                          "default");
 882    elm_widget_sub_object_add(obj, wd->main_box);
 883
 884    elm_smart_scroller_child_set(wd->scroller, wd->main_box);
 885
 886    wd->left_blank = edje_object_add(evas_object_evas_get(obj));
 887    _elm_theme_object_set(obj, wd->left_blank, "diskselector", "item",
 888                          "default");
 889    evas_object_size_hint_weight_set(wd->left_blank, EVAS_HINT_EXPAND,
 890                                     EVAS_HINT_EXPAND);
 891    evas_object_size_hint_align_set(wd->left_blank, EVAS_HINT_FILL,
 892                                    EVAS_HINT_FILL);
 893    elm_box_pack_end(wd->main_box, wd->left_blank);
 894    evas_object_show(wd->left_blank);
 895
 896    wd->right_blank = edje_object_add(evas_object_evas_get(obj));
 897    _elm_theme_object_set(obj, wd->right_blank, "diskselector", "item",
 898                          "default");
 899    evas_object_size_hint_weight_set(wd->right_blank, EVAS_HINT_EXPAND,
 900                                     EVAS_HINT_EXPAND);
 901    evas_object_size_hint_align_set(wd->right_blank, EVAS_HINT_FILL,
 902                                    EVAS_HINT_FILL);
 903    elm_box_pack_end(wd->main_box, wd->right_blank);
 904    evas_object_show(wd->right_blank);
 905
 906    _theme_data_get(wd);
 907
 908    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 909    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 910    _sizing_eval(obj);
 911    return obj;
 912 }
 913
 914 EAPI Eina_Bool
 915 elm_diskselector_round_get(const Evas_Object *obj)
 916 {
 917    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 918    Widget_Data *wd = elm_widget_data_get(obj);
 919    if (!wd) return EINA_FALSE;
 920    return wd->round;
 921 }
 922
 923 EAPI void
 924 elm_diskselector_round_set(Evas_Object * obj, Eina_Bool round)
 925 {
 926    Eina_List *elist;
 927    Elm_Diskselector_Item *it;
 928
 929    ELM_CHECK_WIDTYPE(obj, widtype);
 930    Widget_Data *wd = elm_widget_data_get(obj);
 931    if (!wd) return;
 932
 933    if (wd->round == round)
 934      return;
 935
 936    wd->round = round;
 937    if (round)
 938      {
 939         wd->r_items = eina_list_clone(wd->items);
 940         elm_box_unpack(wd->main_box, wd->left_blank);
 941         evas_object_hide(wd->left_blank);
 942         elm_box_unpack(wd->main_box, wd->right_blank);
 943         evas_object_hide(wd->right_blank);
 944         if (!wd->items)
 945           return;
 946
 947         _round_items_add(wd);
 948
 949         if (wd->last)
 950           elm_box_pack_start(wd->main_box, wd->VIEW(last));
 951         if (wd->s_last)
 952           elm_box_pack_start(wd->main_box, wd->VIEW(s_last));
 953
 954         // if more than 3 items should be displayed
 955         EINA_LIST_FOREACH(wd->under_items, elist, it)
 956            elm_box_pack_start(wd->main_box, VIEW(it));
 957
 958         if (wd->first)
 959           elm_box_pack_end(wd->main_box, wd->VIEW(first));
 960         if (wd->second)
 961           elm_box_pack_end(wd->main_box, wd->VIEW(second));
 962
 963         // if more than 3 items should be displayed
 964         EINA_LIST_FOREACH(wd->over_items, elist, it)
 965            elm_box_pack_end(wd->main_box, VIEW(it));
 966      }
 967    else
 968      {
 969         _round_items_del(wd);
 970         elm_box_pack_start(wd->main_box, wd->left_blank);
 971         elm_box_pack_end(wd->main_box, wd->right_blank);
 972         eina_list_free(wd->r_items);
 973         wd->r_items = NULL;
 974      }
 975
 976    _selected_item_indicate(wd->selected_item);
 977    _sizing_eval(obj);
 978 }
 979
 980 EAPI int
 981 elm_diskselector_side_label_length_get(const Evas_Object *obj)
 982 {
 983    ELM_CHECK_WIDTYPE(obj, widtype) 0;
 984    Widget_Data *wd = elm_widget_data_get(obj);
 985    if (!wd) return 0;
 986    return wd->len_side;
 987 }
 988
 989 EAPI void
 990 elm_diskselector_side_label_length_set(Evas_Object *obj, int len)
 991 {
 992    ELM_CHECK_WIDTYPE(obj, widtype);
 993    Widget_Data *wd = elm_widget_data_get(obj);
 994    if (!wd) return;
 995    wd->len_side = len;
 996 }
 997
 998 EAPI void
 999 elm_diskselector_side_label_lenght_set(Evas_Object *obj, int len)
1000 {
1001    return elm_diskselector_side_label_length_set(obj, len);
1002 }
1003
1004 EAPI int
1005 elm_diskselector_side_label_lenght_get(const Evas_Object *obj)
1006 {
1007    return elm_diskselector_side_label_length_get(obj);
1008 }
1009
1010 EAPI void
1011 elm_diskselector_bounce_set(Evas_Object *obj, Eina_Bool h_bounce, Eina_Bool v_bounce)
1012 {
1013    ELM_CHECK_WIDTYPE(obj, widtype);
1014    Widget_Data *wd = elm_widget_data_get(obj);
1015    if (!wd) return;
1016    if (wd->scroller)
1017      elm_smart_scroller_bounce_allow_set(wd->scroller, h_bounce, v_bounce);
1018 }
1019
1020 EAPI void
1021 elm_diskselector_bounce_get(const Evas_Object *obj, Eina_Bool *h_bounce, Eina_Bool *v_bounce)
1022 {
1023    ELM_CHECK_WIDTYPE(obj, widtype);
1024    Widget_Data *wd = elm_widget_data_get(obj);
1025    if (!wd) return;
1026    elm_smart_scroller_bounce_allow_get(wd->scroller, h_bounce, v_bounce);
1027 }
1028
1029 EAPI void
1030 elm_diskselector_scroller_policy_get(const Evas_Object *obj, Elm_Scroller_Policy *policy_h, Elm_Scroller_Policy *policy_v)
1031 {
1032    ELM_CHECK_WIDTYPE(obj, widtype);
1033    Elm_Smart_Scroller_Policy s_policy_h, s_policy_v;
1034    Widget_Data *wd = elm_widget_data_get(obj);
1035    if ((!wd) || (!wd->scroller)) return;
1036    elm_smart_scroller_policy_get(wd->scroller, &s_policy_h, &s_policy_v);
1037    *policy_h = (Elm_Scroller_Policy) s_policy_h;
1038    *policy_v = (Elm_Scroller_Policy) s_policy_v;
1039 }
1040
1041 EAPI void
1042 elm_diskselector_scroller_policy_set(Evas_Object *obj, Elm_Scroller_Policy policy_h, Elm_Scroller_Policy policy_v)
1043 {
1044    ELM_CHECK_WIDTYPE(obj, widtype);
1045    Widget_Data *wd = elm_widget_data_get(obj);
1046    if ((!wd) || (!wd->scroller)) return;
1047    if ((policy_h >= ELM_SCROLLER_POLICY_LAST) ||
1048        (policy_v >= ELM_SCROLLER_POLICY_LAST))
1049      return;
1050    elm_smart_scroller_policy_set(wd->scroller, policy_h, policy_v);
1051 }
1052
1053 EAPI void
1054 elm_diskselector_clear(Evas_Object *obj)
1055 {
1056    ELM_CHECK_WIDTYPE(obj, widtype);
1057    Widget_Data *wd = elm_widget_data_get(obj);
1058    Elm_Diskselector_Item *it;
1059
1060    if (!wd) return;
1061    if (!wd->items) return;
1062
1063    wd->selected_item = NULL;
1064    EINA_LIST_FREE(wd->items, it) _item_del(it);
1065    _round_items_del(wd);
1066    _sizing_eval(obj);
1067 }
1068
1069 EAPI const Eina_List *
1070 elm_diskselector_items_get(const Evas_Object *obj)
1071 {
1072    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1073    Widget_Data *wd = elm_widget_data_get(obj);
1074    if (!wd) return NULL;
1075    return wd->items;
1076 }
1077
1078 EAPI Elm_Diskselector_Item *
1079 elm_diskselector_item_append(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Smart_Cb func, const void *data)
1080 {
1081    Elm_Diskselector_Item *it;
1082    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1083    Widget_Data *wd = elm_widget_data_get(obj);
1084    if (!wd) return NULL;
1085
1086    it = _item_new(obj, icon, label, func, data);
1087    wd->items = eina_list_append(wd->items, it);
1088    it->node = eina_list_last(wd->items);
1089    wd->item_count++;
1090    if (wd->round)
1091      {
1092         _round_items_del(wd);
1093         wd->r_items = eina_list_append(wd->r_items, it);
1094         _round_items_add(wd);
1095         if (wd->last)
1096           elm_box_pack_start(wd->main_box, wd->VIEW(last));
1097         if (wd->s_last)
1098           elm_box_pack_start(wd->main_box, wd->VIEW(s_last));
1099         elm_box_pack_end(wd->main_box, VIEW(it));
1100         if (wd->first)
1101           elm_box_pack_end(wd->main_box, wd->VIEW(first));
1102         if (wd->second)
1103           elm_box_pack_end(wd->main_box, wd->VIEW(second));
1104      }
1105    else
1106      {
1107         elm_box_unpack(wd->main_box, wd->right_blank);
1108         elm_box_pack_end(wd->main_box, VIEW(it));
1109         elm_box_pack_end(wd->main_box, wd->right_blank);
1110      }
1111    if (!wd->selected_item)
1112      wd->selected_item = it;
1113    if (!wd->idler)
1114      wd->idler = ecore_idle_enterer_before_add(_move_scroller, obj);
1115    _sizing_eval(obj);
1116    return it;
1117 }
1118
1119 EAPI void
1120 elm_diskselector_item_del(Elm_Diskselector_Item * it)
1121 {
1122    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it);
1123    Elm_Diskselector_Item *dit;
1124    Elm_Diskselector_Item *item;
1125    Eina_List *l;
1126    int i = 0;
1127    Widget_Data *wd = elm_widget_data_get(WIDGET(it));
1128    if (!wd) return;
1129
1130    elm_box_unpack(wd->main_box, VIEW(it));
1131
1132    if (wd->round)
1133      wd->r_items = eina_list_remove(wd->r_items, it);
1134
1135    wd->items = eina_list_remove(wd->items, it);
1136
1137    if (wd->selected_item == it)
1138      {
1139         dit = (Elm_Diskselector_Item *) eina_list_nth(wd->items, 0);
1140         if (dit != it)
1141           wd->selected_item = dit;
1142         else
1143           wd->selected_item = eina_list_nth(wd->items, 1);
1144
1145         _selected_item_indicate(wd->selected_item);
1146      }
1147
1148    _item_del(it);
1149    wd->item_count -= 1;
1150
1151    if (wd->round)
1152      {
1153         if (!wd->item_count)
1154           {
1155              evas_object_hide(wd->VIEW(first));
1156              evas_object_hide(wd->VIEW(second));
1157              evas_object_hide(wd->VIEW(last));
1158              evas_object_hide(wd->VIEW(s_last));
1159
1160              EINA_LIST_FOREACH(wd->under_items, l, item)
1161                 evas_object_hide(VIEW(item));
1162
1163              EINA_LIST_FOREACH(wd->over_items, l, item)
1164                 evas_object_hide(VIEW(item));
1165           }
1166         else
1167           {
1168              dit = eina_list_nth(wd->items, 0);
1169              if (dit)
1170                {
1171                   eina_stringshare_replace(&wd->first->label, dit->label);
1172                   edje_object_part_text_set(wd->VIEW(first), "elm.text",
1173                                             wd->first->label);
1174                }
1175              dit = eina_list_nth(wd->items, 1);
1176              if (dit)
1177                {
1178                   eina_stringshare_replace(&wd->second->label, dit->label);
1179                   edje_object_part_text_set(wd->VIEW(second), "elm.text",
1180                                             wd->second->label);
1181                }
1182              // if more than 3 itmes should be displayed
1183              for (i = 2; i < CEIL(wd->display_item_num); i++)
1184                {
1185                   dit = eina_list_nth(wd->items, i);
1186                   item = eina_list_nth(wd->over_items, i - 2);
1187                   eina_stringshare_replace(&item->label, dit->label);
1188                   edje_object_part_text_set(VIEW(item), "elm.text", item->label);
1189                }
1190
1191              dit = eina_list_nth(wd->items, eina_list_count(wd->items) - 1);
1192              if (dit)
1193                {
1194                   eina_stringshare_replace(&wd->last->label, dit->label);
1195                   edje_object_part_text_set(wd->VIEW(last), "elm.text",
1196                                             wd->last->label);
1197                }
1198              dit = eina_list_nth(wd->items, eina_list_count(wd->items) - 2);
1199              if (dit)
1200                {
1201                   eina_stringshare_replace(&wd->s_last->label, dit->label);
1202                   edje_object_part_text_set(wd->VIEW(s_last), "elm.text",
1203                                             wd->s_last->label);
1204                }
1205              // if more than 3 itmes should be displayed
1206              for (i = 3; i <= CEIL(wd->display_item_num); i++)
1207                {
1208                   dit = eina_list_nth(wd->items, wd->item_count - i);
1209                   item = eina_list_nth(wd->under_items, i - 3);
1210                   eina_stringshare_replace(&item->label, dit->label);
1211                   edje_object_part_text_set(VIEW(item), "elm.text", item->label);
1212                }
1213           }
1214      }
1215    wd->check_idler = ecore_idle_enterer_before_add(_check_string, wd);
1216    _sizing_eval(wd->self);
1217 }
1218
1219 EAPI const char *
1220 elm_diskselector_item_label_get(const Elm_Diskselector_Item * it)
1221 {
1222    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, NULL);
1223    return it->label;
1224 }
1225
1226 EAPI void
1227 elm_diskselector_item_label_set(Elm_Diskselector_Item * it, const char *label)
1228 {
1229    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it);
1230    eina_stringshare_replace(&it->label, label);
1231    edje_object_part_text_set(VIEW(it), "elm.text", it->label);
1232 }
1233
1234 EAPI Elm_Diskselector_Item *
1235 elm_diskselector_selected_item_get(const Evas_Object *obj)
1236 {
1237    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1238    Widget_Data *wd = elm_widget_data_get(obj);
1239    if (!wd) return NULL;
1240    return wd->selected_item;
1241 }
1242
1243 EAPI void
1244 elm_diskselector_item_selected_set(Elm_Diskselector_Item *it, Eina_Bool selected)
1245 {
1246    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it);
1247    Widget_Data *wd;
1248    wd = elm_widget_data_get(WIDGET(it));
1249    if (!wd) return;
1250
1251    if ((wd->selected_item == it) && (selected))
1252      return;
1253
1254    if ((wd->selected_item == it) && (!selected))
1255      wd->selected_item = eina_list_data_get(wd->items);
1256    else
1257      {
1258         wd->selected_item = it;
1259         _selected_item_indicate(wd->selected_item);
1260      }
1261
1262    if (!wd->idler)
1263      wd->idler = ecore_idle_enterer_before_add(_move_scroller, WIDGET(it));
1264 }
1265
1266 EAPI Eina_Bool
1267 elm_diskselector_item_selected_get(const Elm_Diskselector_Item *it)
1268 {
1269    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
1270    Widget_Data *wd;
1271
1272    wd = elm_widget_data_get(WIDGET(it));
1273    if (!wd) return EINA_FALSE;
1274    return (wd->selected_item == it);
1275 }
1276
1277 EAPI void
1278 elm_diskselector_item_del_cb_set(Elm_Diskselector_Item *it, Evas_Smart_Cb func)
1279 {
1280    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it);
1281    elm_widget_item_del_cb_set(it, func);
1282 }
1283
1284 EAPI void *
1285 elm_diskselector_item_data_get(const Elm_Diskselector_Item *it)
1286 {
1287    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, NULL);
1288    return elm_widget_item_data_get(it);
1289 }
1290
1291 EAPI Evas_Object *
1292 elm_diskselector_item_icon_get(const Elm_Diskselector_Item *it)
1293 {
1294    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, NULL);
1295    return it->icon;
1296 }
1297
1298 EAPI void
1299 elm_diskselector_item_icon_set(Elm_Diskselector_Item *it, Evas_Object *icon)
1300 {
1301    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it);
1302    _item_icon_set(it, icon);
1303    _check_identical_item(it, icon);
1304 }
1305
1306 EAPI Elm_Diskselector_Item *
1307 elm_diskselector_item_prev_get(const Elm_Diskselector_Item *it)
1308 {
1309    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, NULL);
1310    if (it->node->prev) return it->node->prev->data;
1311    else return NULL;
1312 }
1313
1314 EAPI Elm_Diskselector_Item *
1315 elm_diskselector_item_next_get(const Elm_Diskselector_Item *it)
1316 {
1317    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, NULL);
1318    if (it->node->next) return it->node->next->data;
1319    else return NULL;
1320 }
1321
1322 EAPI Elm_Diskselector_Item *
1323 elm_diskselector_first_item_get(const Evas_Object *obj)
1324 {
1325    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1326    Widget_Data *wd;
1327
1328    wd = elm_widget_data_get(obj);
1329    if (!wd || !wd->items)
1330      return NULL;
1331
1332    return eina_list_data_get(wd->items);
1333 }
1334
1335 EAPI Elm_Diskselector_Item *
1336 elm_diskselector_last_item_get(const Evas_Object *obj)
1337 {
1338    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1339
1340    Widget_Data *wd;
1341    wd = elm_widget_data_get(obj);
1342    if (!wd || !wd->items)
1343      return NULL;
1344
1345    return eina_list_data_get(eina_list_last(wd->items));
1346 }
1347
1348 EAPI void
1349 elm_diskselector_item_tooltip_text_set(Elm_Diskselector_Item *item, const char *text)
1350 {
1351    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item);
1352    elm_widget_item_tooltip_text_set(item, text);
1353 }
1354
1355 EAPI void
1356 elm_diskselector_item_tooltip_content_cb_set(Elm_Diskselector_Item *item, Elm_Tooltip_Item_Content_Cb func, const void *data, Evas_Smart_Cb del_cb)
1357 {
1358    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item);
1359    elm_widget_item_tooltip_content_cb_set(item, func, data, del_cb);
1360 }
1361
1362 EAPI void
1363 elm_diskselector_item_tooltip_unset(Elm_Diskselector_Item *item)
1364 {
1365    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item);
1366    elm_widget_item_tooltip_unset(item);
1367 }
1368
1369 EAPI void
1370 elm_diskselector_item_tooltip_style_set(Elm_Diskselector_Item *item, const char *style)
1371 {
1372    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item);
1373    elm_widget_item_tooltip_style_set(item, style);
1374 }
1375
1376 EAPI const char *
1377 elm_diskselector_item_tooltip_style_get(const Elm_Diskselector_Item *item)
1378 {
1379    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item, NULL);
1380    return elm_widget_item_tooltip_style_get(item);
1381 }
1382
1383 EAPI void
1384 elm_diskselector_item_cursor_set(Elm_Diskselector_Item *item, const char *cursor)
1385 {
1386    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item);
1387    elm_widget_item_cursor_set(item, cursor);
1388 }
1389
1390 EAPI const char *
1391 elm_diskselector_item_cursor_get(const Elm_Diskselector_Item *item)
1392 {
1393    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item, NULL);
1394    return elm_widget_item_cursor_get(item);
1395 }
1396
1397 EAPI void
1398 elm_diskselector_item_cursor_unset(Elm_Diskselector_Item *item)
1399 {
1400    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item);
1401    elm_widget_item_cursor_unset(item);
1402 }
1403
1404 EAPI void
1405 elm_diskselector_item_cursor_style_set(Elm_Diskselector_Item *item, const char *style)
1406 {
1407    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item);
1408    elm_widget_item_cursor_style_set(item, style);
1409 }
1410
1411 EAPI const char *
1412 elm_diskselector_item_cursor_style_get(const Elm_Diskselector_Item *item)
1413 {
1414    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item, NULL);
1415    return elm_widget_item_cursor_style_get(item);
1416 }
1417
1418 EAPI void
1419 elm_diskselector_item_cursor_engine_only_set(Elm_Diskselector_Item *item, Eina_Bool engine_only)
1420 {
1421    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item);
1422    elm_widget_item_cursor_engine_only_set(item, engine_only);
1423 }
1424
1425 EAPI Eina_Bool
1426 elm_diskselector_item_cursor_engine_only_get(const Elm_Diskselector_Item *item)
1427 {
1428    ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(item, EINA_FALSE);
1429    return elm_widget_item_cursor_engine_only_get(item);
1430 }
1431
1432 EAPI void
1433 elm_diskselector_display_item_num_set(Evas_Object *obj, int num)
1434 {
1435    ELM_CHECK_WIDTYPE(obj, widtype);
1436    Widget_Data *wd = elm_widget_data_get(obj);
1437    if (!wd) return;
1438    if (num < DISPLAY_ITEM_NUM_MIN) num = DISPLAY_ITEM_NUM_MIN;
1439    wd->display_item_num = num;
1440    wd->display_item_num_by_api = EINA_TRUE;
1441 }
1442
1443 EAPI int
1444 elm_diskselector_display_item_num_get(const Evas_Object *item)
1445 {
1446    ELM_CHECK_WIDTYPE(item, widtype) (-1);
1447    Widget_Data *wd = elm_widget_data_get(item);
1448    if (!wd) return -1;
1449    return wd->display_item_num;
1450 }