mobile/src/lib/elm_list.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3 #include "elm_widget_list.h"
   4
   5 #define ITEM_HIGHLIGHT_TIMER 0.1
   6
   7 EAPI const char ELM_LIST_SMART_NAME[] = "elm_list";
   8
   9 static const char SIG_ACTIVATED[] = "activated";
  10 static const char SIG_CLICKED_DOUBLE[] = "clicked,double";
  11 static const char SIG_SELECTED[] = "selected";
  12 static const char SIG_UNSELECTED[] = "unselected";
  13 static const char SIG_LONGPRESSED[] = "longpressed";
  14 static const char SIG_EDGE_TOP[] = "edge,top";
  15 static const char SIG_EDGE_BOTTOM[] = "edge,bottom";
  16 static const char SIG_EDGE_LEFT[] = "edge,left";
  17 static const char SIG_EDGE_RIGHT[] = "edge,right";
  18 static const char SIG_LANG_CHANGED[] = "language,changed";
  19 static const char SIG_SWIPE[] = "swipe";
  20 static const char SIG_HIGHLIGHTED[] = "highlighted";
  21 static const char SIG_UNHIGHLIGHTED[] = "unhighlighted";
  22 static const char SIG_ACCESS_CHANGED[] = "access,changed";
  23 static const Evas_Smart_Cb_Description _smart_callbacks[] = {
  24    {SIG_ACTIVATED, ""},
  25    {SIG_CLICKED_DOUBLE, ""},
  26    {SIG_SELECTED, ""},
  27    {SIG_UNSELECTED, ""},
  28    {SIG_LONGPRESSED, ""},
  29    {SIG_EDGE_TOP, ""},
  30    {SIG_EDGE_BOTTOM, ""},
  31    {SIG_EDGE_LEFT, ""},
  32    {SIG_EDGE_RIGHT, ""},
  33    {SIG_LANG_CHANGED, ""},
  34    {SIG_SWIPE, ""},
  35    {SIG_HIGHLIGHTED, ""},
  36    {SIG_UNHIGHLIGHTED, ""},
  37    {SIG_ACCESS_CHANGED, ""},
  38    {NULL, NULL}
  39 };
  40
  41 typedef enum
  42 {
  43    FOCUS_DIR_UP = 0,
  44    FOCUS_DIR_DOWN,
  45    FOCUS_DIR_LEFT,
  46    FOCUS_DIR_RIGHT
  47 } Focus_Dir;
  48
  49 static const Evas_Smart_Interface *_smart_interfaces[] =
  50 {
  51    (Evas_Smart_Interface *)&ELM_SCROLLABLE_IFACE, NULL
  52 };
  53
  54 static void _size_hints_changed_cb(void *, Evas *, Evas_Object *, void *);
  55 static void _mouse_up_cb(void *, Evas *, Evas_Object *, void *);
  56 static void _mouse_down_cb(void *, Evas *, Evas_Object *, void *);
  57 static void _mouse_move_cb(void *, Evas *, Evas_Object *, void *);
  58 static void _items_fix(Evas_Object *);
  59 static void _item_select(Elm_List_Item *it);
  60 static void _item_unselect(Elm_List_Item *it);
  61 static void _highlight_timer_disable(Elm_List_Item *it);
  62
  63
  64 EVAS_SMART_SUBCLASS_IFACE_NEW
  65   (ELM_LIST_SMART_NAME, _elm_list, Elm_List_Smart_Class,
  66    Elm_Layout_Smart_Class, elm_layout_smart_class_get, _smart_callbacks,
  67    _smart_interfaces);
  68
  69 static inline void
  70 _elm_list_item_free(Elm_List_Item *it)
  71 {
  72    evas_object_event_callback_del_full
  73      (VIEW(it), EVAS_CALLBACK_MOUSE_DOWN, _mouse_down_cb, it);
  74    evas_object_event_callback_del_full
  75      (VIEW(it), EVAS_CALLBACK_MOUSE_UP, _mouse_up_cb, it);
  76    evas_object_event_callback_del_full
  77      (VIEW(it), EVAS_CALLBACK_MOUSE_MOVE, _mouse_move_cb, it);
  78
  79    _highlight_timer_disable(it);
  80    if ((Elm_List_Item *)it->sd->focused == it) it->sd->focused = NULL;
  81
  82    edje_object_message_signal_process(VIEW(it));
  83
  84    if (it->icon)
  85      evas_object_event_callback_del_full
  86        (it->icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
  87        _size_hints_changed_cb, WIDGET(it));
  88
  89    if (it->end)
  90      evas_object_event_callback_del_full
  91        (it->end, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
  92        _size_hints_changed_cb, WIDGET(it));
  93
  94    eina_stringshare_del(it->label);
  95
  96    if (it->swipe_timer) ecore_timer_del(it->swipe_timer);
  97    it->swipe_timer = NULL;
  98    if (it->long_timer) ecore_timer_del(it->long_timer);
  99    it->long_timer = NULL;
 100    if (it->icon) evas_object_del(it->icon);
 101    if (it->end) evas_object_del(it->end);
 102 }
 103
 104 static Eina_Bool
 105 _item_multi_select_up(Elm_List_Smart_Data *sd)
 106 {
 107    Elm_Object_Item *prev;
 108
 109    if (!sd->selected) return EINA_FALSE;
 110    if (!sd->multi) return EINA_FALSE;
 111
 112    prev = elm_list_item_prev(sd->last_selected_item);
 113    if (!prev) return EINA_TRUE;
 114
 115    if (elm_list_item_selected_get(prev))
 116      {
 117         elm_list_item_selected_set(sd->last_selected_item, EINA_FALSE);
 118         sd->last_selected_item = prev;
 119         elm_list_item_show(sd->last_selected_item);
 120      }
 121    else
 122      {
 123         elm_list_item_selected_set(prev, EINA_TRUE);
 124         elm_list_item_show(prev);
 125      }
 126    return EINA_TRUE;
 127 }
 128
 129 static Eina_Bool
 130 _item_multi_select_down(Elm_List_Smart_Data *sd)
 131 {
 132    Elm_Object_Item *next;
 133
 134    if (!sd->selected) return EINA_FALSE;
 135    if (!sd->multi) return EINA_FALSE;
 136
 137    next = elm_list_item_next(sd->last_selected_item);
 138    if (!next) return EINA_TRUE;
 139
 140    if (elm_list_item_selected_get(next))
 141      {
 142         elm_list_item_selected_set(sd->last_selected_item, EINA_FALSE);
 143         sd->last_selected_item = next;
 144         elm_list_item_show(sd->last_selected_item);
 145      }
 146    else
 147      {
 148         elm_list_item_selected_set(next, EINA_TRUE);
 149         elm_list_item_show(next);
 150      }
 151    return EINA_TRUE;
 152 }
 153
 154 static Eina_Bool
 155 _all_items_unselect(Elm_List_Smart_Data *sd)
 156 {
 157    if (!sd->selected) return EINA_FALSE;
 158
 159    while (sd->selected)
 160      elm_list_item_selected_set
 161        ((Elm_Object_Item *)sd->selected->data, EINA_FALSE);
 162
 163    return EINA_TRUE;
 164 }
 165
 166 static Eina_Bool
 167 _item_single_select_up(Elm_List_Smart_Data *sd)
 168 {
 169    Elm_Object_Item *prev;
 170
 171    if (!sd->selected) prev = eina_list_data_get(eina_list_last(sd->items));
 172    else
 173      {
 174         prev = elm_list_item_prev(sd->last_selected_item);
 175         while (prev)
 176           {
 177              if (!elm_object_item_disabled_get(prev)) break;
 178              prev = elm_list_item_prev(prev);
 179           }
 180      }
 181    if (!prev) return EINA_FALSE;
 182
 183    _all_items_unselect(sd);
 184
 185    elm_list_item_selected_set(prev, EINA_TRUE);
 186    elm_list_item_show(prev);
 187
 188    return EINA_TRUE;
 189 }
 190
 191 static Eina_Bool
 192 _item_single_select_down(Elm_List_Smart_Data *sd)
 193 {
 194    Elm_Object_Item *next;
 195
 196    if (!sd->selected) next = eina_list_data_get(sd->items);
 197    else
 198      {
 199         next = elm_list_item_next(sd->last_selected_item);
 200         while (next)
 201           {
 202              if (!elm_object_item_disabled_get(next)) break;
 203              next = elm_list_item_next(next);
 204           }
 205      }
 206    if (!next) return EINA_FALSE;
 207
 208    _all_items_unselect(sd);
 209
 210    elm_list_item_selected_set(next, EINA_TRUE);
 211    elm_list_item_show(next);
 212
 213    return EINA_TRUE;
 214 }
 215
 216 // FIXME: There are applications which do not use elm_win as top widget.
 217 // This is workaround! Those could not use focus!
 218 static Eina_Bool _focus_enabled(Evas_Object *obj)
 219 {
 220    if (!elm_widget_focus_get(obj)) return EINA_FALSE;
 221
 222    const Evas_Object *win = elm_widget_top_get(obj);
 223    const char *type = evas_object_type_get(win);
 224
 225    if (type && !strcmp(type, "elm_win"))
 226      {
 227         return elm_win_focus_highlight_enabled_get(win);
 228      }
 229    return EINA_FALSE;
 230 }
 231
 232 static void _item_focused(Elm_List_Item *it)
 233 {
 234    if (!it) return;
 235    Elm_List_Smart_Data *sd = it->sd;
 236    Evas_Coord x, y, w, h, sx, sy, sw, sh;
 237
 238    evas_object_geometry_get(VIEW(it), &x, &y, &w, &h);
 239    evas_object_geometry_get(ELM_WIDGET_DATA(sd)->obj, &sx, &sy, &sw, &sh);
 240    if ((x < sx) || (y < sy) || ((x + w) > (sx + sw)) || ((y + h) > (sy + sh)))
 241      {
 242         elm_list_item_bring_in((Elm_Object_Item *)it);
 243      }
 244
 245    if (_focus_enabled(ELM_WIDGET_DATA(sd)->obj))
 246      edje_object_signal_emit
 247        (VIEW(it), "elm,state,focused", "elm");
 248
 249    sd->focused = (Elm_Object_Item *)it;
 250 }
 251
 252 static void _item_unfocused(Elm_List_Item *it)
 253 {
 254    if (!it) return;
 255    Elm_List_Smart_Data *sd = it->sd;
 256    if (!sd->focused) return;
 257
 258    if (sd->focused_content)
 259      {
 260         elm_object_focus_set(ELM_WIDGET_DATA(sd)->obj, EINA_FALSE);
 261         elm_object_focus_set(ELM_WIDGET_DATA(sd)->obj, EINA_TRUE);
 262         sd->focused_content = NULL;
 263      }
 264    edje_object_signal_emit
 265       (VIEW(sd->focused), "elm,state,unfocused", "elm");
 266    if (it == (Elm_List_Item *)sd->focused)
 267       sd->focused = NULL;
 268 }
 269
 270 static Eina_Bool _item_focused_next(Elm_List_Smart_Data *sd, Focus_Dir dir)
 271 {
 272    Elm_List_Item *it = NULL;
 273    Elm_List_Item *old_focused = (Elm_List_Item *)sd->focused;
 274
 275    if (dir == FOCUS_DIR_DOWN || dir == FOCUS_DIR_UP)
 276      {
 277         if (dir == FOCUS_DIR_DOWN)
 278           {
 279              if (sd->focused)
 280                {
 281                   Eina_List *l = eina_list_data_find_list(sd->items, sd->focused);
 282                   it = (Elm_List_Item *)eina_list_data_get(eina_list_next(l));
 283                   _item_unfocused((Elm_List_Item *)sd->focused);
 284                }
 285              else it = (Elm_List_Item *)eina_list_data_get(sd->items);
 286           }
 287         else if (dir == FOCUS_DIR_UP)
 288           {
 289              if (sd->focused)
 290                {
 291                   Eina_List *l = eina_list_data_find_list(sd->items, sd->focused);
 292                   it = (Elm_List_Item *)eina_list_data_get(eina_list_prev(l));
 293                   _item_unfocused((Elm_List_Item *)sd->focused);
 294                }
 295              else it = (Elm_List_Item *)eina_list_data_get(eina_list_last(sd->items));
 296           }
 297
 298         if (!it)
 299           {
 300              _item_focused(old_focused);
 301              return EINA_FALSE;
 302           }
 303         _item_focused(it);
 304      }
 305    else if (dir == FOCUS_DIR_LEFT || dir == FOCUS_DIR_RIGHT)
 306      {
 307         Evas_Object *obj = sd->focused_content;
 308
 309         if (!sd->focused) return EINA_FALSE;
 310         it = (Elm_List_Item *)sd->focused;
 311         if (sd->focused_content)
 312           {
 313              if ((sd->focused_content != it->icon) &&
 314                  (sd->focused_content != it->end))
 315                {
 316                   if (dir == FOCUS_DIR_LEFT)
 317                     {
 318                        if (it->icon) obj = it->icon;
 319                        else obj = it->end;
 320                     }
 321                   else if (dir == FOCUS_DIR_RIGHT)
 322                     {
 323                        if (it->end) obj = it->end;
 324                        else obj = it->icon;
 325                     }
 326                   else return EINA_FALSE;
 327                }
 328              else
 329                {
 330                   if (dir == FOCUS_DIR_LEFT)
 331                     {
 332                        if ((it->end == sd->focused_content))
 333                          obj = it->icon;
 334                     }
 335                   else if (dir == FOCUS_DIR_RIGHT)
 336                     {
 337                        if ((it->icon == sd->focused_content))
 338                          obj = it->end;
 339                     }
 340                   else return EINA_FALSE;
 341                }
 342           }
 343         if (!obj && dir == FOCUS_DIR_LEFT)
 344           {
 345              if (it->end) obj = it->icon;
 346              else obj = it->end;
 347           }
 348         else if (!obj && dir == FOCUS_DIR_RIGHT)
 349           {
 350              if (it->end) obj = it->end;
 351              else obj = it->icon;
 352           }
 353
 354         if (obj)
 355           {
 356              sd->focused_content = obj;
 357              elm_object_focus_set(obj, EINA_TRUE);
 358           }
 359         else
 360           {
 361              sd->focused_content = NULL;
 362              return EINA_FALSE;
 363           }
 364      }
 365    else return EINA_FALSE;
 366
 367    return EINA_TRUE;
 368 }
 369
 370 static Eina_Bool
 371 _elm_list_smart_event(Evas_Object *obj,
 372                       Evas_Object *src __UNUSED__,
 373                       Evas_Callback_Type type,
 374                       void *event_info)
 375 {
 376    Evas_Coord x = 0;
 377    Evas_Coord y = 0;
 378    Evas_Coord v_w = 0;
 379    Evas_Coord v_h = 0;
 380    Evas_Coord step_x = 0;
 381    Evas_Coord step_y = 0;
 382    Evas_Coord page_x = 0;
 383    Evas_Coord page_y = 0;
 384    Elm_List_Item *it = NULL;
 385    Evas_Event_Key_Down *ev = event_info;
 386
 387    ELM_LIST_DATA_GET(obj, sd);
 388
 389    if (elm_widget_disabled_get(obj)) return EINA_FALSE;
 390    if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
 391    if (!sd->items) return EINA_FALSE;
 392    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
 393
 394    sd->s_iface->content_pos_get(obj, &x, &y);
 395    sd->s_iface->step_size_get(obj, &step_x, &step_y);
 396    sd->s_iface->page_size_get(obj, &page_x, &page_y);
 397    sd->s_iface->content_viewport_size_get(obj, &v_w, &v_h);
 398
 399    /* TODO: fix logic for horizontal mode */
 400    if ((!strcmp(ev->keyname, "Left")) ||
 401        ((!strcmp(ev->keyname, "KP_Left")) && !ev->string))
 402      {
 403         if (sd->select_on_focus_enabled)
 404           {
 405              if ((sd->h_mode) &&
 406                  (((evas_key_modifier_is_set(ev->modifiers, "Shift")) &&
 407                    (_item_multi_select_up(sd)))
 408                   || (_item_single_select_up(sd))))
 409                {
 410                   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 411                   return EINA_TRUE;
 412                }
 413              else
 414                 x -= step_x;
 415           }
 416         else
 417           {
 418              return _item_focused_next(sd, FOCUS_DIR_LEFT);
 419           }
 420      }
 421    else if ((!strcmp(ev->keyname, "Right")) ||
 422             ((!strcmp(ev->keyname, "KP_Right")) && !ev->string))
 423      {
 424         if (sd->select_on_focus_enabled)
 425           {
 426              if ((sd->h_mode) &&
 427                  (((evas_key_modifier_is_set(ev->modifiers, "Shift")) &&
 428                    (_item_multi_select_down(sd)))
 429                   || (_item_single_select_down(sd))))
 430                {
 431                   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 432                   return EINA_TRUE;
 433                }
 434              else
 435                 x += step_x;
 436           }
 437         else
 438           {
 439              return _item_focused_next(sd, FOCUS_DIR_RIGHT);
 440           }
 441      }
 442    else if ((!strcmp(ev->keyname, "Up")) ||
 443             ((!strcmp(ev->keyname, "KP_Up")) && !ev->string))
 444      {
 445
 446         if (sd->select_on_focus_enabled)
 447           {
 448              if ((!sd->h_mode) &&
 449                  (evas_key_modifier_is_set(ev->modifiers, "Shift")) &&
 450                  (_item_multi_select_up(sd)))
 451                {
 452                   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 453                   return EINA_TRUE;
 454                }
 455           }
 456         else
 457           {
 458              if (_item_focused_next(sd, FOCUS_DIR_UP))
 459                {
 460                   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 461                   return EINA_TRUE;
 462                }
 463              else
 464                return EINA_FALSE;
 465           }
 466      }
 467    else if ((!strcmp(ev->keyname, "Down")) ||
 468             ((!strcmp(ev->keyname, "KP_Down")) && !ev->string))
 469      {
 470         if (sd->select_on_focus_enabled)
 471           {
 472              if ((!sd->h_mode) &&
 473                  (evas_key_modifier_is_set(ev->modifiers, "Shift")) &&
 474                  (_item_multi_select_down(sd)))
 475                {
 476                   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 477                   return EINA_TRUE;
 478                }
 479           }
 480         else
 481           {
 482              if (_item_focused_next(sd, FOCUS_DIR_DOWN))
 483                {
 484                   ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 485                   return EINA_TRUE;
 486                }
 487              else
 488                return EINA_FALSE;
 489           }
 490      }
 491    else if ((!strcmp(ev->keyname, "Home")) ||
 492             ((!strcmp(ev->keyname, "KP_Home")) && !ev->string))
 493      {
 494         if (!sd->select_on_focus_enabled)
 495           {
 496              _item_unfocused((Elm_List_Item *)sd->focused);
 497              _item_focused_next(sd, FOCUS_DIR_DOWN);
 498              ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 499           }
 500         return EINA_TRUE;
 501      }
 502    else if ((!strcmp(ev->keyname, "End")) ||
 503             ((!strcmp(ev->keyname, "KP_End")) && !ev->string))
 504      {
 505         if (!sd->select_on_focus_enabled)
 506           {
 507              _item_unfocused((Elm_List_Item *)sd->focused);
 508              _item_focused_next(sd, FOCUS_DIR_UP);
 509              ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 510           }
 511         return EINA_TRUE;
 512      }
 513    else if ((!strcmp(ev->keyname, "Prior")) ||
 514             ((!strcmp(ev->keyname, "KP_Prior")) && !ev->string))
 515      {
 516         if (sd->h_mode)
 517           {
 518              if (page_x < 0)
 519                x -= -(page_x * v_w) / 100;
 520              else
 521                x -= page_x;
 522           }
 523         else
 524           {
 525              if (page_y < 0)
 526                y -= -(page_y * v_h) / 100;
 527              else
 528                y -= page_y;
 529           }
 530      }
 531    else if ((!strcmp(ev->keyname, "Next")) ||
 532             ((!strcmp(ev->keyname, "KP_Next")) && !ev->string))
 533      {
 534         if (sd->h_mode)
 535           {
 536              if (page_x < 0)
 537                x += -(page_x * v_w) / 100;
 538              else
 539                x += page_x;
 540           }
 541         else
 542           {
 543              if (page_y < 0)
 544                y += -(page_y * v_h) / 100;
 545              else
 546                y += page_y;
 547           }
 548      }
 549    else if (((!strcmp(ev->keyname, "Return")) ||
 550              (!strcmp(ev->keyname, "KP_Enter")) ||
 551              (!strcmp(ev->keyname, "space"))) &&
 552             (!sd->multi))
 553      {
 554         if (sd->focused)
 555           {
 556              it = (Elm_List_Item *)sd->focused;
 557              _item_select(it);
 558              evas_object_smart_callback_call(WIDGET(it), SIG_ACTIVATED, it);
 559              it->selected = EINA_FALSE;
 560              sd->selected = eina_list_remove(sd->selected, it);
 561           }
 562      }
 563    else if (!strcmp(ev->keyname, "Escape"))
 564      {
 565         if (!_all_items_unselect(sd)) return EINA_FALSE;
 566         ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 567         return EINA_TRUE;
 568      }
 569    else return EINA_FALSE;
 570
 571    ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
 572    sd->s_iface->content_pos_set(obj, x, y, EINA_TRUE);
 573
 574    return EINA_TRUE;
 575 }
 576
 577 static Eina_Bool
 578 _elm_list_smart_translate(Evas_Object *obj)
 579 {
 580    ELM_LIST_DATA_GET(obj, sd);
 581    Elm_List_Item *it;
 582    Eina_List *l;
 583
 584    EINA_LIST_FOREACH(sd->items, l, it)
 585      elm_widget_item_translate(it);
 586
 587    evas_object_smart_callback_call(obj, SIG_LANG_CHANGED, NULL);
 588
 589    return EINA_TRUE;
 590 }
 591
 592 static void
 593 _elm_list_deletions_process(Elm_List_Smart_Data *sd)
 594 {
 595    Elm_List_Item *it;
 596
 597    sd->walking++; // avoid nested deletion and also _sub_del() items_fix
 598
 599    EINA_LIST_FREE (sd->to_delete, it)
 600      {
 601         sd->items = eina_list_remove_list(sd->items, it->node);
 602
 603         /* issuing free because of "locking" item del pre hook */
 604         _elm_list_item_free(it);
 605         elm_widget_item_free(it);
 606      }
 607
 608    sd->walking--;
 609 }
 610
 611 static void
 612 _elm_list_smart_sizing_eval(Evas_Object *obj)
 613 {
 614    Evas_Coord vw = 0, vh = 0;
 615    Evas_Coord minw, minh, maxw, maxh, w, h, vmw, vmh;
 616    double xw, yw;
 617
 618    ELM_LIST_DATA_GET(obj, sd);
 619
 620    /* parent class' early call */
 621    if (!sd->s_iface) return;
 622    if (!sd->box) return;
 623
 624    evas_object_size_hint_min_get(sd->box, &minw, &minh);
 625    evas_object_size_hint_max_get(sd->box, &maxw, &maxh);
 626    evas_object_size_hint_weight_get(sd->box, &xw, &yw);
 627
 628    sd->s_iface->content_viewport_size_get(obj, &vw, &vh);
 629    if (xw > 0.0)
 630      {
 631         if ((minw > 0) && (vw < minw)) vw = minw;
 632         else if ((maxw > 0) && (vw > maxw))
 633           vw = maxw;
 634      }
 635    else if (minw > 0)
 636      vw = minw;
 637    if (yw > 0.0)
 638      {
 639         if ((minh > 0) && (vh < minh)) vh = minh;
 640         else if ((maxh > 0) && (vh > maxh))
 641           vh = maxh;
 642      }
 643    else if (minh > 0)
 644      vh = minh;
 645
 646    evas_object_resize(sd->box, vw, vh);
 647    w = -1;
 648    h = -1;
 649
 650    edje_object_size_min_calc
 651      (ELM_WIDGET_DATA(sd)->resize_obj, &vmw, &vmh);
 652
 653    if (sd->scr_minw) w = vmw + minw;
 654    if (sd->scr_minh) h = vmh + minh;
 655
 656    evas_object_size_hint_max_get(obj, &maxw, &maxh);
 657    if ((maxw > 0) && (w > maxw))
 658      w = maxw;
 659    if ((maxh > 0) && (h > maxh))
 660      h = maxh;
 661
 662    evas_object_size_hint_min_set(obj, w, h);
 663 }
 664
 665 static void
 666 _elm_list_content_min_limit_cb(Evas_Object *obj,
 667                                Eina_Bool w,
 668                                Eina_Bool h)
 669 {
 670    ELM_LIST_DATA_GET(obj, sd);
 671
 672    sd->scr_minw = !!w;
 673    sd->scr_minh = !!h;
 674
 675    elm_layout_sizing_eval(obj);
 676 }
 677
 678 static void
 679 _elm_list_mode_set_internal(Elm_List_Smart_Data *sd)
 680 {
 681    if (sd->mode == ELM_LIST_LIMIT)
 682      {
 683         if (!sd->h_mode)
 684           {
 685              sd->scr_minw = EINA_TRUE;
 686              sd->scr_minh = EINA_FALSE;
 687           }
 688         else
 689           {
 690              sd->scr_minw = EINA_FALSE;
 691              sd->scr_minh = EINA_TRUE;
 692           }
 693      }
 694    else if (sd->mode == ELM_LIST_EXPAND)
 695      {
 696         sd->scr_minw = EINA_TRUE;
 697         sd->scr_minh = EINA_TRUE;
 698      }
 699    else
 700      {
 701         sd->scr_minw = EINA_FALSE;
 702         sd->scr_minh = EINA_FALSE;
 703      }
 704
 705    elm_layout_sizing_eval(ELM_WIDGET_DATA(sd)->obj);
 706 }
 707
 708 static inline void
 709 _elm_list_walk(Elm_List_Smart_Data *sd)
 710 {
 711    if (sd->walking < 0)
 712      {
 713         ERR("ERROR: walking was negative. fixed!\n");
 714         sd->walking = 0;
 715      }
 716    sd->walking++;
 717 }
 718
 719 static inline void
 720 _elm_list_unwalk(Elm_List_Smart_Data *sd)
 721 {
 722    sd->walking--;
 723    if (sd->walking < 0)
 724      {
 725         ERR("ERROR: walking became negative. fixed!\n");
 726         sd->walking = 0;
 727      }
 728
 729    if (sd->walking)
 730      return;
 731
 732    if (sd->to_delete)
 733      _elm_list_deletions_process(sd);
 734
 735    if (sd->fix_pending)
 736      {
 737         sd->fix_pending = EINA_FALSE;
 738         _items_fix(ELM_WIDGET_DATA(sd)->obj);
 739         elm_layout_sizing_eval(ELM_WIDGET_DATA(sd)->obj);
 740      }
 741 }
 742
 743 static void
 744 _items_fix(Evas_Object *obj)
 745 {
 746    Evas_Coord minw[2] = { 0, 0 }, minh[2] = { 0, 0 };
 747    const Eina_List *l;
 748    Elm_List_Item *it;
 749    Evas_Coord mw, mh;
 750    int i, redo = 0;
 751
 752    const char *style;
 753    const char *it_odd;
 754    const char *it_plain;
 755    const char *it_compress;
 756    const char *it_compress_odd;
 757
 758    ELM_LIST_DATA_GET(obj, sd);
 759
 760    style = elm_widget_style_get(obj);
 761    it_plain = sd->h_mode ? "h_item" : "item";
 762    it_odd = sd->h_mode ? "h_item_odd" : "item_odd";
 763    it_compress = sd->h_mode ? "h_item_compress" : "item_compress";
 764    it_compress_odd = sd->h_mode ? "h_item_compress_odd" : "item_compress_odd";
 765
 766    if (sd->walking)
 767      {
 768         sd->fix_pending = EINA_TRUE;
 769         return;
 770      }
 771
 772    evas_object_ref(obj);
 773    _elm_list_walk(sd); // watch out "return" before unwalk!
 774
 775    EINA_LIST_FOREACH(sd->items, l, it)
 776      {
 777         if (it->deleted) continue;
 778         if (it->icon)
 779           {
 780              evas_object_size_hint_min_get(it->icon, &mw, &mh);
 781              if (mw > minw[0]) minw[0] = mw;
 782              if (mh > minh[0]) minh[0] = mh;
 783           }
 784         if (it->end)
 785           {
 786              evas_object_size_hint_min_get(it->end, &mw, &mh);
 787              if (mw > minw[1]) minw[1] = mw;
 788              if (mh > minh[1]) minh[1] = mh;
 789           }
 790      }
 791
 792    if ((minw[0] != sd->minw[0]) || (minw[1] != sd->minw[1]) ||
 793        (minh[0] != sd->minh[0]) || (minh[1] != sd->minh[1]))
 794      {
 795         sd->minw[0] = minw[0];
 796         sd->minw[1] = minw[1];
 797         sd->minh[0] = minh[0];
 798         sd->minh[1] = minh[1];
 799         redo = 1;
 800      }
 801
 802    i = 0;
 803    EINA_LIST_FOREACH(sd->items, l, it)
 804      {
 805         if (it->deleted)
 806           continue;
 807
 808         it->even = i & 0x1;
 809         if ((it->even != it->is_even) || (!it->fixed) || (redo))
 810           {
 811              const char *stacking;
 812
 813              /* FIXME: separators' themes seem to be b0rked */
 814              if (it->is_separator)
 815                elm_widget_theme_object_set
 816                  (obj, VIEW(it), "separator", sd->h_mode ?
 817                  "horizontal" : "vertical", style);
 818              else if (sd->mode == ELM_LIST_COMPRESS)
 819                {
 820                   if (it->even)
 821                     elm_widget_theme_object_set
 822                       (obj, VIEW(it), "list", it_compress, style);
 823                   else
 824                     elm_widget_theme_object_set
 825                       (obj, VIEW(it), "list", it_compress_odd, style);
 826                }
 827              else
 828                {
 829                   if (it->even)
 830                     elm_widget_theme_object_set
 831                       (obj, VIEW(it), "list", it_plain, style);
 832                   else
 833                     elm_widget_theme_object_set
 834                       (obj, VIEW(it), "list", it_odd, style);
 835                }
 836              stacking = edje_object_data_get(VIEW(it), "stacking");
 837              if (stacking)
 838                {
 839                   if (!strcmp(stacking, "below"))
 840                     evas_object_lower(VIEW(it));
 841                   else if (!strcmp(stacking, "above"))
 842                     evas_object_raise(VIEW(it));
 843                }
 844              edje_object_part_text_escaped_set
 845                (VIEW(it), "elm.text", it->label);
 846
 847              if ((!it->icon) && (minh[0] > 0))
 848                {
 849                   it->icon = evas_object_rectangle_add
 850                       (evas_object_evas_get(VIEW(it)));
 851                   evas_object_color_set(it->icon, 0, 0, 0, 0);
 852                   it->dummy_icon = EINA_TRUE;
 853                }
 854              if ((!it->end) && (minh[1] > 0))
 855                {
 856                   it->end = evas_object_rectangle_add
 857                       (evas_object_evas_get(VIEW(it)));
 858                   evas_object_color_set(it->end, 0, 0, 0, 0);
 859                   it->dummy_end = EINA_TRUE;
 860                }
 861              if (it->icon)
 862                {
 863                   evas_object_size_hint_min_set(it->icon, minw[0], minh[0]);
 864                   evas_object_size_hint_max_set(it->icon, 99999, 99999);
 865                   edje_object_part_swallow
 866                     (VIEW(it), "elm.swallow.icon", it->icon);
 867                }
 868              if (it->end)
 869                {
 870                   evas_object_size_hint_min_set(it->end, minw[1], minh[1]);
 871                   evas_object_size_hint_max_set(it->end, 99999, 99999);
 872                   edje_object_part_swallow
 873                     (VIEW(it), "elm.swallow.end", it->end);
 874                }
 875              if (!it->fixed)
 876                {
 877                   // this may call up user and it may modify the list item
 878                   // but we're safe as we're flagged as walking.
 879                   // just don't process further
 880                   edje_object_message_signal_process(VIEW(it));
 881                   if (it->deleted)
 882                     continue;
 883                   mw = mh = -1;
 884                   elm_coords_finger_size_adjust(1, &mw, 1, &mh);
 885                   edje_object_size_min_restricted_calc
 886                     (VIEW(it), &mw, &mh, mw, mh);
 887                   elm_coords_finger_size_adjust(1, &mw, 1, &mh);
 888                   evas_object_size_hint_min_set(VIEW(it), mw, mh);
 889                   evas_object_show(VIEW(it));
 890                }
 891              if ((it->selected) || (it->highlighted))
 892                {
 893                   const char *select_raise;
 894
 895                   // this may call up user and it may modify the list item
 896                   // but we're safe as we're flagged as walking.
 897                   // just don't process further
 898                   edje_object_signal_emit
 899                     (VIEW(it), "elm,state,selected", "elm");
 900                   if (it->deleted)
 901                     continue;
 902
 903                   select_raise = edje_object_data_get(VIEW(it), "selectraise");
 904                   if ((select_raise) && (!strcmp(select_raise, "on")))
 905                     evas_object_raise(VIEW(it));
 906                }
 907              if (it->base.disabled)
 908                edje_object_signal_emit(VIEW(it), "elm,state,disabled", "elm");
 909
 910              it->fixed = EINA_TRUE;
 911              it->is_even = it->even;
 912           }
 913         i++;
 914      }
 915
 916    _elm_list_mode_set_internal(sd);
 917    _elm_list_unwalk(sd);
 918
 919    evas_object_unref(obj);
 920 }
 921
 922 static void
 923 _size_hints_changed_cb(void *data,
 924                        Evas *e __UNUSED__,
 925                        Evas_Object *obj __UNUSED__,
 926                        void *event_info __UNUSED__)
 927 {
 928    ELM_LIST_DATA_GET(data, sd);
 929    if (sd->delete_me) return;
 930
 931    _items_fix(data);
 932    elm_layout_sizing_eval(data);
 933 }
 934
 935 /* FIXME: take off later. maybe this show region coords belong in the
 936  * interface (new api functions, set/get)? */
 937 static void
 938 _show_region_hook(void *data,
 939                   Evas_Object *obj)
 940 {
 941    Evas_Coord x, y, w, h;
 942
 943    ELM_LIST_DATA_GET(data, sd);
 944
 945    elm_widget_show_region_get(obj, &x, &y, &w, &h);
 946    sd->s_iface->content_region_set(obj, x, y, w, h);
 947 }
 948
 949 static Eina_Bool
 950 _elm_list_smart_disable(Evas_Object *obj)
 951 {
 952    ELM_LIST_DATA_GET(obj, sd);
 953
 954    if (!ELM_WIDGET_CLASS(_elm_list_parent_sc)->disable(obj))
 955      return EINA_FALSE;
 956
 957    if (elm_widget_disabled_get(obj))
 958      {
 959         elm_widget_scroll_freeze_push(obj);
 960         elm_widget_scroll_hold_push(obj);
 961         /* FIXME: if we get to have a way to only un-highlight items
 962          * in the future, keeping them selected... */
 963         _all_items_unselect(sd);
 964      }
 965    else
 966      {
 967         elm_widget_scroll_freeze_pop(obj);
 968         elm_widget_scroll_hold_pop(obj);
 969      }
 970
 971    return EINA_TRUE;
 972 }
 973
 974 static void
 975 _mirrored_set(Evas_Object *obj,
 976               Eina_Bool rtl)
 977 {
 978    Elm_List_Item *it;
 979    Eina_List *n;
 980
 981    ELM_LIST_DATA_GET(obj, sd);
 982
 983    sd->s_iface->mirrored_set(obj, rtl);
 984
 985    EINA_LIST_FOREACH(sd->items, n, it)
 986      edje_object_mirrored_set(VIEW(it), rtl);
 987 }
 988
 989 static Eina_Bool
 990 _elm_list_smart_theme(Evas_Object *obj)
 991 {
 992    Elm_List_Item *it;
 993    Eina_List *n;
 994
 995    ELM_LIST_DATA_GET(obj, sd);
 996
 997    if (!ELM_WIDGET_CLASS(_elm_list_parent_sc)->theme(obj)) return EINA_FALSE;
 998
 999    _mirrored_set(obj, elm_widget_mirrored_get(obj));
1000
1001    EINA_LIST_FOREACH(sd->items, n, it)
1002      {
1003         edje_object_scale_set
1004           (VIEW(it), elm_widget_scale_get(obj) * elm_config_scale_get());
1005         it->fixed = 0;
1006      }
1007
1008    _items_fix(obj);
1009    elm_layout_sizing_eval(obj);
1010
1011    return EINA_TRUE;
1012 }
1013
1014 static Eina_Bool
1015 _elm_list_smart_on_focus(Evas_Object *obj)
1016 {
1017    ELM_LIST_DATA_GET(obj, sd);
1018
1019    if (!ELM_WIDGET_CLASS(_elm_list_parent_sc)->on_focus(obj))
1020      return EINA_FALSE;
1021
1022    if (elm_widget_focus_get(obj) && sd->selected && !sd->last_selected_item)
1023      sd->last_selected_item = eina_list_data_get(sd->selected);
1024
1025    if (sd->select_on_focus_enabled) return EINA_TRUE;
1026    if (elm_widget_focus_get(obj))
1027      {
1028         if (_focus_enabled(obj))
1029           {
1030              if (sd->focused)
1031                _item_focused((Elm_List_Item *)sd->focused);
1032              else
1033                _item_focused_next(sd, FOCUS_DIR_DOWN);
1034           }
1035      }
1036    else
1037      {
1038         if (sd->focused)
1039           edje_object_signal_emit
1040             (VIEW(sd->focused), "elm,state,unfocused", "elm");
1041      }
1042    return EINA_TRUE;
1043 }
1044
1045 static Eina_Bool
1046 _elm_list_smart_sub_object_del(Evas_Object *obj,
1047                                Evas_Object *sobj)
1048 {
1049    const Eina_List *l;
1050    Elm_List_Item *it;
1051
1052    ELM_LIST_DATA_GET(obj, sd);
1053
1054    if (!ELM_WIDGET_CLASS(_elm_list_parent_sc)->sub_object_del(obj, sobj))
1055      return EINA_FALSE;
1056
1057    if ((sobj == sd->box) || (sobj == obj)) goto end;
1058
1059    EINA_LIST_FOREACH(sd->items, l, it)
1060      {
1061         if ((sobj == it->icon) || (sobj == it->end))
1062           {
1063              if (it->icon == sobj) it->icon = NULL;
1064              if (it->end == sobj) it->end = NULL;
1065              evas_object_event_callback_del_full
1066                (sobj, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _size_hints_changed_cb,
1067                obj);
1068              if (!sd->walking)
1069                {
1070                   _items_fix(obj);
1071                   elm_layout_sizing_eval(obj);
1072                }
1073              else
1074                sd->fix_pending = EINA_TRUE;
1075              break;
1076           }
1077      }
1078
1079 end:
1080    return EINA_TRUE;
1081 }
1082
1083 static void
1084 _item_highlight(Elm_List_Item *it)
1085 {
1086    Evas_Object *obj;
1087    const char *select_raise;
1088
1089    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
1090    obj = WIDGET(it);
1091    ELM_LIST_DATA_GET(obj, sd);
1092
1093    if ((it->highlighted) || (it->base.disabled) ||
1094        (sd->select_mode == ELM_OBJECT_SELECT_MODE_NONE)) return;
1095
1096    evas_object_ref(obj);
1097    _elm_list_walk(sd);
1098
1099    edje_object_signal_emit(VIEW(it), "elm,state,selected", "elm");
1100    evas_object_smart_callback_call(obj, SIG_HIGHLIGHTED, it);
1101    select_raise = edje_object_data_get(VIEW(it), "selectraise");
1102    if ((select_raise) && (!strcmp(select_raise, "on")))
1103      evas_object_raise(VIEW(it));
1104    it->highlighted = EINA_TRUE;
1105
1106    _elm_list_unwalk(sd);
1107    evas_object_unref(obj);
1108 }
1109
1110 static void
1111 _item_select(Elm_List_Item *it)
1112 {
1113    Evas_Object *obj;
1114
1115    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
1116    obj = WIDGET(it);
1117    ELM_LIST_DATA_GET(obj, sd);
1118
1119    if (it->base.disabled || (sd->select_mode == ELM_OBJECT_SELECT_MODE_NONE))
1120      return;
1121    if (it->selected)
1122      {
1123         if (sd->select_mode == ELM_OBJECT_SELECT_MODE_ALWAYS) goto call;
1124         return;
1125      }
1126    it->selected = EINA_TRUE;
1127    sd->selected = eina_list_append(sd->selected, it);
1128
1129 call:
1130    evas_object_ref(obj);
1131    _elm_list_walk(sd);
1132
1133    if (it->func) it->func((void *)it->base.data, WIDGET(it), it);
1134    evas_object_smart_callback_call(obj, SIG_SELECTED, it);
1135    it->sd->last_selected_item = (Elm_Object_Item *)it;
1136
1137    _elm_list_unwalk(sd);
1138    evas_object_unref(obj);
1139 }
1140
1141 static void
1142 _item_unselect(Elm_List_Item *it)
1143 {
1144    Evas_Object *obj = WIDGET(it);
1145    ELM_LIST_DATA_GET(obj, sd);
1146    const char *stacking, *select_raise;
1147
1148    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
1149    if (!it->highlighted) return;
1150
1151    evas_object_ref(obj);
1152    _elm_list_walk(sd);
1153
1154    edje_object_signal_emit(VIEW(it), "elm,state,unselected", "elm");
1155    evas_object_smart_callback_call(obj, SIG_UNHIGHLIGHTED, it);
1156    stacking = edje_object_data_get(VIEW(it), "stacking");
1157    select_raise = edje_object_data_get(VIEW(it), "selectraise");
1158    if ((select_raise) && (!strcmp(select_raise, "on")))
1159      {
1160         if ((stacking) && (!strcmp(stacking, "below")))
1161           evas_object_lower(VIEW(it));
1162      }
1163    it->highlighted = EINA_FALSE;
1164    if (it->selected)
1165      {
1166         it->selected = EINA_FALSE;
1167         sd->selected = eina_list_remove(sd->selected, it);
1168         evas_object_smart_callback_call(WIDGET(it), SIG_UNSELECTED, it);
1169      }
1170
1171    _elm_list_unwalk(sd);
1172    evas_object_unref(obj);
1173 }
1174
1175 static Eina_Bool
1176 _swipe_cancel(void *data)
1177 {
1178    Elm_List_Item *it = data;
1179
1180    ELM_LIST_ITEM_CHECK_OR_RETURN(it, ECORE_CALLBACK_CANCEL);
1181    ELM_LIST_DATA_GET(WIDGET(it), sd);
1182
1183    sd->swipe = EINA_FALSE;
1184    sd->movements = 0;
1185
1186    return ECORE_CALLBACK_RENEW;
1187 }
1188
1189 static void
1190 _edge_left_cb(Evas_Object *obj,
1191               void *data __UNUSED__)
1192 {
1193    evas_object_smart_callback_call(obj, SIG_EDGE_LEFT, NULL);
1194 }
1195
1196 static void
1197 _edge_right_cb(Evas_Object *obj,
1198                void *data __UNUSED__)
1199 {
1200    evas_object_smart_callback_call(obj, SIG_EDGE_RIGHT, NULL);
1201 }
1202
1203 static void
1204 _edge_top_cb(Evas_Object *obj,
1205              void *data __UNUSED__)
1206 {
1207    evas_object_smart_callback_call(obj, SIG_EDGE_TOP, NULL);
1208 }
1209
1210 static void
1211 _edge_bottom_cb(Evas_Object *obj,
1212                 void *data __UNUSED__)
1213 {
1214    evas_object_smart_callback_call(obj, SIG_EDGE_BOTTOM, NULL);
1215 }
1216
1217 static Eina_Bool
1218 _long_press_cb(void *data)
1219 {
1220    Elm_List_Item *it = data;
1221    Evas_Object *obj;
1222
1223    ELM_LIST_ITEM_CHECK_OR_RETURN(it, ECORE_CALLBACK_CANCEL);
1224    obj = WIDGET(it);
1225    ELM_LIST_DATA_GET(obj, sd);
1226
1227    it->long_timer = NULL;
1228    if (it->base.disabled) goto end;
1229
1230    sd->longpressed = EINA_TRUE;
1231    evas_object_smart_callback_call(WIDGET(it), SIG_LONGPRESSED, it);
1232
1233 end:
1234    return ECORE_CALLBACK_CANCEL;
1235 }
1236
1237 static void
1238 _swipe_do(Elm_List_Item *it)
1239 {
1240    int i, sum = 0;
1241
1242    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
1243
1244    ELM_LIST_DATA_GET(WIDGET(it), sd);
1245
1246    sd->swipe = EINA_FALSE;
1247    for (i = 0; i < sd->movements; i++)
1248      {
1249         sum += sd->history[i].x;
1250         if (abs(sd->history[0].y - sd->history[i].y) > 10) return;
1251      }
1252
1253    sum /= sd->movements;
1254    if (abs(sum - sd->history[0].x) <= 10) return;
1255
1256    evas_object_smart_callback_call(WIDGET(it), SIG_SWIPE, it);
1257 }
1258
1259 static Eina_Bool
1260 _highlight_timer(void *data)
1261 {
1262    Elm_List_Item *it = data;
1263    it->highlight_timer = NULL;
1264    _item_highlight(it);
1265
1266    return EINA_FALSE;
1267 }
1268
1269 static void
1270 _highlight_timer_disable(Elm_List_Item *it)
1271 {
1272    if (it->highlight_timer)
1273      {
1274         ecore_timer_del(it->highlight_timer);
1275         it->highlight_timer = NULL;
1276      }
1277 }
1278
1279 static void
1280 _highlight_timer_enable(Elm_List_Item *it)
1281 {
1282    if (it->highlight_timer) ecore_timer_del(it->highlight_timer);
1283    it->highlight_timer =
1284       ecore_timer_add(ITEM_HIGHLIGHT_TIMER, _highlight_timer, it);
1285 }
1286
1287 static Eina_Bool
1288 _unhighlight_timer(void *data)
1289 {
1290    Elm_List_Item *it = data;
1291    it->highlight_timer = NULL;
1292
1293    if (it->sd->multi)
1294      {
1295         if (!it->selected)
1296           {
1297              _item_highlight(it);
1298              _item_select(it);
1299           }
1300         else _item_unselect(it);
1301      }
1302    else
1303      {
1304         if (!it->selected)
1305           {
1306              while (it->sd->selected)
1307                _item_unselect(it->sd->selected->data);
1308              _item_highlight(it);
1309              _item_select(it);
1310           }
1311         else
1312           {
1313              const Eina_List *l, *l_next;
1314              Elm_List_Item *it2;
1315
1316              EINA_LIST_FOREACH_SAFE(it->sd->selected, l, l_next, it2)
1317                if (it2 != it) _item_unselect(it2);
1318              _item_highlight(it);
1319              _item_select(it);
1320           }
1321      }
1322
1323    return EINA_FALSE;
1324 }
1325
1326 static void
1327 _unhighlight_timer_enable(Elm_List_Item *it)
1328 {
1329    if (it->highlight_timer) ecore_timer_del(it->highlight_timer);
1330    it->highlight_timer =
1331      ecore_timer_add(ITEM_HIGHLIGHT_TIMER, _unhighlight_timer, it);
1332 }
1333
1334 static void
1335 _mouse_move_cb(void *data,
1336                Evas *evas __UNUSED__,
1337                Evas_Object *o __UNUSED__,
1338                void *event_info)
1339 {
1340    Evas_Object *obj;
1341    Elm_List_Item *it = data;
1342    Evas_Event_Mouse_Move *ev = event_info;
1343
1344    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
1345    obj = WIDGET(it);
1346    ELM_LIST_DATA_GET(obj, sd);
1347
1348    _item_unselect((Elm_List_Item *)it);
1349    // FIXME: It needs to do disable only when item down is called like genlist
1350    _highlight_timer_disable((Elm_List_Item *)it);
1351
1352    evas_object_ref(obj);
1353    _elm_list_walk(sd);
1354
1355    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
1356      {
1357         if (!sd->on_hold)
1358           {
1359              sd->on_hold = EINA_TRUE;
1360              if (it->long_timer)
1361                {
1362                   ecore_timer_del(it->long_timer);
1363                   it->long_timer = NULL;
1364                }
1365              if (!sd->was_selected)
1366                _item_unselect(it);
1367           }
1368         if (sd->movements == ELM_LIST_SWIPE_MOVES) sd->swipe = EINA_TRUE;
1369         else
1370           {
1371              sd->history[sd->movements].x = ev->cur.canvas.x;
1372              sd->history[sd->movements].y = ev->cur.canvas.y;
1373              if (abs((sd->history[sd->movements].x - sd->history[0].x)) > 40)
1374                sd->swipe = EINA_TRUE;
1375              else
1376                sd->movements++;
1377           }
1378      }
1379
1380    _elm_list_unwalk(sd);
1381    evas_object_unref(obj);
1382 }
1383
1384 static void
1385 _mouse_down_cb(void *data,
1386                Evas *evas __UNUSED__,
1387                Evas_Object *o __UNUSED__,
1388                void *event_info)
1389 {
1390    Evas_Event_Mouse_Down *ev = event_info;
1391    Elm_List_Item *it = data;
1392    Evas_Object *obj;
1393
1394    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
1395    obj = WIDGET(it);
1396    ELM_LIST_DATA_GET(obj, sd);
1397
1398    if (ev->button != 1) return;
1399    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) sd->on_hold = EINA_TRUE;
1400    else sd->on_hold = EINA_FALSE;
1401
1402    if (sd->on_hold) return;
1403    sd->was_selected = it->selected;
1404
1405    evas_object_ref(obj);
1406    _elm_list_walk(sd);
1407
1408    _highlight_timer_enable(it);
1409
1410    sd->longpressed = EINA_FALSE;
1411    if (it->long_timer) ecore_timer_del(it->long_timer);
1412    it->long_timer = ecore_timer_add
1413        (_elm_config->longpress_timeout, _long_press_cb, it);
1414    if (it->swipe_timer) ecore_timer_del(it->swipe_timer);
1415    it->swipe_timer = ecore_timer_add(0.4, _swipe_cancel, it);
1416
1417    /* Always call the callbacks last - the user may delete our context! */
1418    if (ev->flags & EVAS_BUTTON_DOUBLE_CLICK)
1419      {
1420         evas_object_smart_callback_call(WIDGET(it), SIG_CLICKED_DOUBLE, it);
1421         evas_object_smart_callback_call(WIDGET(it), SIG_ACTIVATED, it);
1422      }
1423    sd->swipe = EINA_FALSE;
1424    sd->movements = 0;
1425
1426    _elm_list_unwalk(sd);
1427    evas_object_unref(obj);
1428 }
1429
1430 static void
1431 _mouse_up_cb(void *data,
1432              Evas *evas __UNUSED__,
1433              Evas_Object *o __UNUSED__,
1434              void *event_info)
1435 {
1436    Evas_Object *obj;
1437    Elm_List_Item *it = data;
1438    Evas_Event_Mouse_Up *ev = event_info;
1439
1440    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
1441    obj = WIDGET(it);
1442    ELM_LIST_DATA_GET(obj, sd);
1443
1444    if (ev->button != 1) return;
1445    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) sd->on_hold = EINA_TRUE;
1446    else sd->on_hold = EINA_FALSE;
1447    sd->longpressed = EINA_FALSE;
1448
1449    _highlight_timer_disable((Elm_List_Item *)it);
1450    if (it->long_timer)
1451      {
1452         ecore_timer_del(it->long_timer);
1453         it->long_timer = NULL;
1454      }
1455    if (it->swipe_timer)
1456      {
1457         ecore_timer_del(it->swipe_timer);
1458         it->swipe_timer = NULL;
1459      }
1460    if (sd->on_hold)
1461      {
1462         if (sd->swipe) _swipe_do(data);
1463         sd->on_hold = EINA_FALSE;
1464         return;
1465      }
1466    if (sd->longpressed)
1467      {
1468         if (!sd->was_selected) _item_unselect(it);
1469         sd->was_selected = 0;
1470         return;
1471      }
1472
1473    if (it->base.disabled)
1474      return;
1475    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return;
1476
1477    evas_object_ref(obj);
1478    _elm_list_walk(sd);
1479
1480    _item_highlight((Elm_List_Item *)it);
1481    _unhighlight_timer_enable((Elm_List_Item *)it);
1482
1483    _elm_list_unwalk(sd);
1484    evas_object_unref(obj);
1485 }
1486
1487 static void
1488 _item_disable_hook(Elm_Object_Item *it)
1489 {
1490    Elm_List_Item *item = (Elm_List_Item *)it;
1491
1492    if (it == item->sd->focused) _item_unfocused(item);
1493
1494    if (item->base.disabled)
1495      edje_object_signal_emit(VIEW(item), "elm,state,disabled", "elm");
1496    else
1497      edje_object_signal_emit(VIEW(item), "elm,state,enabled", "elm");
1498 }
1499
1500 static void
1501 _item_content_set_hook(Elm_Object_Item *it,
1502                        const char *part,
1503                        Evas_Object *content)
1504 {
1505    Elm_List_Item *item = (Elm_List_Item *)it;
1506    Evas_Object **icon_p = NULL;
1507    Eina_Bool dummy = EINA_FALSE;
1508
1509    if ((!part) || (!strcmp(part, "start")))
1510      {
1511         icon_p = &(item->icon);
1512         dummy = item->dummy_icon;
1513         if (!content) item->dummy_icon = EINA_TRUE;
1514         else item->dummy_icon = EINA_FALSE;
1515      }
1516    else if (!strcmp(part, "end"))
1517      {
1518         icon_p = &(item->end);
1519         dummy = item->dummy_end;
1520         if (!content) item->dummy_end = EINA_TRUE;
1521         else item->dummy_end = EINA_FALSE;
1522      }
1523    else
1524      return;
1525
1526    if (content == *icon_p) return;
1527    if ((dummy) && (!content)) return;
1528    if (dummy) evas_object_del(*icon_p);
1529    if (!content)
1530      {
1531         content =
1532           evas_object_rectangle_add(evas_object_evas_get(WIDGET(item)));
1533         evas_object_color_set(content, 0, 0, 0, 0);
1534      }
1535    if (*icon_p)
1536      {
1537         evas_object_del(*icon_p);
1538         *icon_p = NULL;
1539      }
1540    *icon_p = content;
1541
1542    if (VIEW(item))
1543      edje_object_part_swallow(VIEW(item), "elm.swallow.icon", content);
1544 }
1545
1546 static Evas_Object *
1547 _item_content_get_hook(const Elm_Object_Item *it,
1548                        const char *part)
1549 {
1550    Elm_List_Item *item = (Elm_List_Item *)it;
1551
1552    if ((!part) || (!strcmp(part, "start")))
1553      {
1554         if (item->dummy_icon) return NULL;
1555         return item->icon;
1556      }
1557    else if (!strcmp(part, "end"))
1558      {
1559         if (item->dummy_end) return NULL;
1560         return item->end;
1561      }
1562
1563    return NULL;
1564 }
1565
1566 static Evas_Object *
1567 _item_content_unset_hook(const Elm_Object_Item *it,
1568                          const char *part)
1569 {
1570    Elm_List_Item *item = (Elm_List_Item *)it;
1571
1572    if ((!part) || (!strcmp(part, "start")))
1573      {
1574         Evas_Object *obj = item->icon;
1575         _item_content_set_hook((Elm_Object_Item *)it, part, NULL);
1576         return obj;
1577      }
1578    else if (!strcmp(part, "end"))
1579      {
1580         Evas_Object *obj = item->end;
1581         _item_content_set_hook((Elm_Object_Item *)it, part, NULL);
1582         return obj;
1583      }
1584
1585    return NULL;
1586 }
1587
1588 static void
1589 _item_text_set_hook(Elm_Object_Item *it,
1590                     const char *part,
1591                     const char *text)
1592 {
1593    Elm_List_Item *list_it = (Elm_List_Item *)it;
1594
1595    if (part && strcmp(part, "default")) return;
1596    if (!eina_stringshare_replace(&list_it->label, text)) return;
1597    if (VIEW(list_it))
1598      edje_object_part_text_escaped_set(VIEW(list_it), "elm.text", text);
1599 }
1600
1601 static const char *
1602 _item_text_get_hook(const Elm_Object_Item *it,
1603                     const char *part)
1604 {
1605    if (part && strcmp(part, "default")) return NULL;
1606    return ((Elm_List_Item *)it)->label;
1607 }
1608
1609 static Eina_Bool
1610 _item_del_pre_hook(Elm_Object_Item *it)
1611 {
1612    Evas_Object *obj = WIDGET(it);
1613    Elm_List_Item *item = (Elm_List_Item *)it;
1614
1615    ELM_LIST_DATA_GET(obj, sd);
1616
1617    if (item->selected) _item_unselect(item);
1618    if (sd->focused == it) sd->focused = NULL;
1619    _highlight_timer_disable((Elm_List_Item *)it);
1620
1621    if (sd->walking > 0)
1622      {
1623         if (item->deleted) return EINA_FALSE;
1624         item->deleted = EINA_TRUE;
1625         sd->to_delete = eina_list_append(sd->to_delete, item);
1626         return EINA_FALSE;
1627      }
1628
1629    sd->items = eina_list_remove_list(sd->items, item->node);
1630
1631    evas_object_ref(obj);
1632    _elm_list_walk(sd);
1633
1634    _elm_list_item_free(item);
1635
1636    _elm_list_unwalk(sd);
1637    evas_object_unref(obj);
1638
1639    return EINA_TRUE;
1640 }
1641
1642 static void
1643 _item_signal_emit_hook(Elm_Object_Item *it,
1644                        const char *emission,
1645                        const char *source)
1646 {
1647    edje_object_signal_emit(VIEW(it), emission, source);
1648 }
1649
1650 static char *
1651 _access_info_cb(void *data, Evas_Object *obj __UNUSED__)
1652 {
1653    Elm_List_Item *it = (Elm_List_Item *)data;
1654    const char *txt = NULL;
1655    if (!it) return NULL;
1656
1657    if (!txt) txt = it->label;
1658    if (txt) return strdup(txt);
1659
1660    return NULL;
1661 }
1662
1663 static char *
1664 _access_state_cb(void *data, Evas_Object *obj __UNUSED__)
1665 {
1666    Elm_List_Item *it = (Elm_List_Item *)data;
1667    if (!it) return NULL;
1668
1669    if (it->base.disabled)
1670      return strdup(E_("State: Disabled"));
1671
1672    return NULL;
1673 }
1674
1675 static void
1676 _access_on_highlight_cb(void *data)
1677 {
1678    Elm_Object_Item *it = (Elm_Object_Item *)data;
1679    if (!it) return;
1680
1681    elm_list_item_bring_in(it);
1682 }
1683
1684 static void
1685 _access_activate_cb(void *data __UNUSED__,
1686                     Evas_Object *part_obj __UNUSED__,
1687                     Elm_Object_Item *item)
1688 {
1689    Elm_List_Item *it;
1690    Evas_Object *obj;
1691
1692    it = (Elm_List_Item *)item;
1693    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
1694
1695    obj = WIDGET(it);
1696    ELM_LIST_DATA_GET(obj, sd);
1697
1698    evas_object_ref(obj);
1699    _elm_list_walk(sd);
1700
1701    if (sd->multi)
1702      {
1703         if (!it->selected)
1704           {
1705              _item_highlight(it);
1706              _item_select(it);
1707           }
1708         else _item_unselect(it);
1709      }
1710    else
1711      {
1712         if (!it->selected)
1713           {
1714              while (sd->selected)
1715                _item_unselect(sd->selected->data);
1716              _item_highlight(it);
1717              _item_select(it);
1718           }
1719         else
1720           {
1721              const Eina_List *l, *l_next;
1722              Elm_List_Item *it2;
1723
1724              EINA_LIST_FOREACH_SAFE(sd->selected, l, l_next, it2)
1725                if (it2 != it) _item_unselect(it2);
1726              _item_highlight(it);
1727              _item_select(it);
1728           }
1729      }
1730
1731    _elm_list_unwalk(sd);
1732    evas_object_unref(obj);
1733 }
1734
1735 static void
1736 _access_widget_item_register(Elm_List_Item *it, Eina_Bool is_access)
1737 {
1738    Elm_Access_Info *ai;
1739
1740    if (!is_access) _elm_access_widget_item_unregister((Elm_Widget_Item *)it);
1741    else
1742      {
1743         _elm_access_widget_item_register((Elm_Widget_Item *)it);
1744
1745         ai = _elm_access_object_get(it->base.access_obj);
1746
1747         _elm_access_callback_set(ai, ELM_ACCESS_INFO, _access_info_cb, it);
1748         _elm_access_callback_set(ai, ELM_ACCESS_STATE, _access_state_cb, it);
1749         _elm_access_on_highlight_hook_set(ai, _access_on_highlight_cb, it);
1750         _elm_access_activate_callback_set(ai, _access_activate_cb, it);
1751      }
1752 }
1753
1754 static Elm_List_Item *
1755 _item_new(Evas_Object *obj,
1756           const char *label,
1757           Evas_Object *icon,
1758           Evas_Object *end,
1759           Evas_Smart_Cb func,
1760           const void *data)
1761 {
1762    Elm_List_Item *it;
1763
1764    ELM_LIST_DATA_GET(obj, sd);
1765
1766    it = elm_widget_item_new(obj, Elm_List_Item);
1767    if (!it) return NULL;
1768
1769    it->sd = sd;
1770    it->label = eina_stringshare_add(label);
1771    it->icon = icon;
1772    it->end = end;
1773    it->func = func;
1774    it->base.data = data;
1775
1776    VIEW(it) = edje_object_add(evas_object_evas_get(obj));
1777
1778    /* access */
1779    if (_elm_config->access_mode == ELM_ACCESS_MODE_ON)
1780      _access_widget_item_register(it, EINA_TRUE);
1781
1782    edje_object_mirrored_set(VIEW(it), elm_widget_mirrored_get(obj));
1783    evas_object_event_callback_add
1784      (VIEW(it), EVAS_CALLBACK_MOUSE_DOWN, _mouse_down_cb, it);
1785    evas_object_event_callback_add
1786      (VIEW(it), EVAS_CALLBACK_MOUSE_UP, _mouse_up_cb, it);
1787    evas_object_event_callback_add
1788      (VIEW(it), EVAS_CALLBACK_MOUSE_MOVE, _mouse_move_cb, it);
1789    evas_object_size_hint_weight_set
1790      (VIEW(it), EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
1791    evas_object_size_hint_align_set(VIEW(it), EVAS_HINT_FILL, EVAS_HINT_FILL);
1792    edje_object_mirrored_set(VIEW(it), elm_widget_mirrored_get(obj));
1793
1794    if (it->icon)
1795      {
1796         elm_widget_sub_object_add(obj, it->icon);
1797         evas_object_event_callback_add
1798           (it->icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _size_hints_changed_cb,
1799           obj);
1800      }
1801    if (it->end)
1802      {
1803         elm_widget_sub_object_add(obj, it->end);
1804         evas_object_event_callback_add
1805           (it->end, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _size_hints_changed_cb,
1806           obj);
1807      }
1808
1809    elm_widget_item_disable_hook_set(it, _item_disable_hook);
1810    elm_widget_item_content_set_hook_set(it, _item_content_set_hook);
1811    elm_widget_item_content_get_hook_set(it, _item_content_get_hook);
1812    elm_widget_item_content_unset_hook_set(it, _item_content_unset_hook);
1813    elm_widget_item_text_set_hook_set(it, _item_text_set_hook);
1814    elm_widget_item_text_get_hook_set(it, _item_text_get_hook);
1815    elm_widget_item_del_pre_hook_set(it, _item_del_pre_hook);
1816    elm_widget_item_signal_emit_hook_set(it, _item_signal_emit_hook);
1817
1818    return it;
1819 }
1820
1821 static void
1822 _resize_cb(void *data,
1823            Evas *e __UNUSED__,
1824            Evas_Object *obj __UNUSED__,
1825            void *event_info __UNUSED__)
1826 {
1827    elm_layout_sizing_eval(data);
1828 }
1829
1830 static Eina_Bool
1831 _elm_list_smart_focus_next(const Evas_Object *obj,
1832                            Elm_Focus_Direction dir,
1833                            Evas_Object **next)
1834 {
1835    Eina_List *items = NULL;
1836    Eina_List *elist = NULL;
1837    Elm_List_Item *it;
1838
1839    ELM_LIST_CHECK(obj) EINA_FALSE;
1840    ELM_LIST_DATA_GET(obj, sd);
1841
1842    if (_elm_config->access_mode != ELM_ACCESS_MODE_ON) return EINA_FALSE;
1843
1844    EINA_LIST_FOREACH(sd->items, elist, it)
1845      {
1846         items = eina_list_append(items, it->base.access_obj);
1847         if (it->icon) items = eina_list_append(items, it->icon);
1848         if (it->end) items = eina_list_append(items, it->end);
1849      }
1850
1851    return elm_widget_focus_list_next_get
1852             (obj, items, eina_list_data_get, dir, next);
1853 }
1854
1855 static void
1856 _elm_list_smart_add(Evas_Object *obj)
1857 {
1858    Evas_Coord minw, minh;
1859
1860    EVAS_SMART_DATA_ALLOC(obj, Elm_List_Smart_Data);
1861
1862    ELM_WIDGET_CLASS(_elm_list_parent_sc)->base.add(obj);
1863
1864    elm_widget_can_focus_set(obj, EINA_TRUE);
1865
1866    priv->mode = ELM_LIST_SCROLL;
1867
1868    elm_layout_theme_set(obj, "list", "base", elm_widget_style_get(obj));
1869
1870    priv->hit_rect = evas_object_rectangle_add(evas_object_evas_get(obj));
1871    evas_object_data_set(priv->hit_rect, "_elm_leaveme", obj);
1872    evas_object_smart_member_add(priv->hit_rect, obj);
1873    elm_widget_sub_object_add(obj, priv->hit_rect);
1874
1875    /* common scroller hit rectangle setup */
1876    evas_object_color_set(priv->hit_rect, 0, 0, 0, 0);
1877    evas_object_show(priv->hit_rect);
1878    evas_object_repeat_events_set(priv->hit_rect, EINA_TRUE);
1879
1880    priv->s_iface = evas_object_smart_interface_get
1881        (obj, ELM_SCROLLABLE_IFACE_NAME);
1882
1883    priv->s_iface->edge_left_cb_set(obj, _edge_left_cb);
1884    priv->s_iface->edge_right_cb_set(obj, _edge_right_cb);
1885    priv->s_iface->edge_top_cb_set(obj, _edge_top_cb);
1886    priv->s_iface->edge_bottom_cb_set(obj, _edge_bottom_cb);
1887
1888    priv->s_iface->content_min_limit_cb_set
1889      (obj, _elm_list_content_min_limit_cb);
1890
1891    priv->s_iface->objects_set
1892      (obj, ELM_WIDGET_DATA(priv)->resize_obj, priv->hit_rect);
1893
1894    /* the scrollable interface may set this */
1895    evas_object_event_callback_add
1896      (ELM_WIDGET_DATA(priv)->resize_obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
1897      _size_hints_changed_cb, obj);
1898
1899    edje_object_size_min_calc
1900      (ELM_WIDGET_DATA(priv)->resize_obj, &minw, &minh);
1901    evas_object_size_hint_min_set(obj, minw, minh);
1902    evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _resize_cb, obj);
1903
1904    priv->s_iface->bounce_allow_set
1905      (obj, EINA_FALSE, _elm_config->thumbscroll_bounce_enable);
1906
1907    priv->box = elm_box_add(obj);
1908    elm_box_homogeneous_set(priv->box, EINA_TRUE);
1909    evas_object_size_hint_weight_set(priv->box, EVAS_HINT_EXPAND, 0.0);
1910    evas_object_size_hint_align_set(priv->box, EVAS_HINT_FILL, 0.0);
1911
1912    /* FIXME: change this ugly code path later */
1913    elm_widget_on_show_region_hook_set(priv->box, _show_region_hook, obj);
1914    elm_widget_sub_object_add(obj, priv->box);
1915
1916    priv->s_iface->content_set(obj, priv->box);
1917    evas_object_event_callback_add
1918      (priv->box, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
1919      _size_hints_changed_cb, obj);
1920    const char *str = edje_object_data_get(ELM_WIDGET_DATA(priv)->resize_obj,
1921                                           "focus_highlight");
1922    if ((str) && (!strcmp(str, "on")))
1923       elm_widget_highlight_in_theme_set(obj, EINA_TRUE);
1924    else
1925       elm_widget_highlight_in_theme_set(obj, EINA_FALSE);
1926    priv->select_on_focus_enabled = EINA_FALSE;
1927 }
1928
1929 static void
1930 _elm_list_smart_del(Evas_Object *obj)
1931 {
1932    const Eina_List *l;
1933    Elm_List_Item *it;
1934
1935    ELM_LIST_DATA_GET(obj, sd);
1936
1937    if (sd->walking)
1938      ERR("ERROR: list deleted while walking.\n");
1939
1940    _item_unfocused((Elm_List_Item *)sd->focused);
1941    sd->delete_me = EINA_TRUE;
1942    EINA_LIST_FOREACH(sd->items, l, it)
1943      {
1944         if (it->icon)
1945           evas_object_event_callback_del
1946             (it->icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
1947             _size_hints_changed_cb);
1948         if (it->end)
1949           evas_object_event_callback_del
1950             (it->end, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
1951             _size_hints_changed_cb);
1952      }
1953
1954    evas_object_event_callback_del
1955      (obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
1956      _size_hints_changed_cb);
1957    evas_object_event_callback_del
1958      (sd->box, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _size_hints_changed_cb);
1959
1960    _elm_list_walk(sd);
1961
1962    EINA_LIST_FREE (sd->items, it)
1963      {
1964         /* issuing free because of "locking" item del pre hook */
1965         _elm_list_item_free(it);
1966         elm_widget_item_free(it);
1967      }
1968
1969    _elm_list_unwalk(sd);
1970
1971    if (sd->to_delete)
1972      ERR("ERROR: leaking nodes!\n");
1973
1974    eina_list_free(sd->selected);
1975
1976    ELM_WIDGET_CLASS(_elm_list_parent_sc)->base.del(obj);
1977 }
1978
1979 static void
1980 _elm_list_smart_move(Evas_Object *obj,
1981                      Evas_Coord x,
1982                      Evas_Coord y)
1983 {
1984    ELM_LIST_DATA_GET(obj, sd);
1985
1986    ELM_WIDGET_CLASS(_elm_list_parent_sc)->base.move(obj, x, y);
1987
1988    evas_object_move(sd->hit_rect, x, y);
1989 }
1990
1991 static void
1992 _elm_list_smart_resize(Evas_Object *obj,
1993                        Evas_Coord w,
1994                        Evas_Coord h)
1995 {
1996    ELM_LIST_DATA_GET(obj, sd);
1997
1998    ELM_WIDGET_CLASS(_elm_list_parent_sc)->base.resize(obj, w, h);
1999
2000    evas_object_resize(sd->hit_rect, w, h);
2001 }
2002
2003 static void
2004 _elm_list_smart_member_add(Evas_Object *obj,
2005                            Evas_Object *member)
2006 {
2007    ELM_LIST_DATA_GET(obj, sd);
2008
2009    ELM_WIDGET_CLASS(_elm_list_parent_sc)->base.member_add(obj, member);
2010
2011    if (sd->hit_rect)
2012      evas_object_raise(sd->hit_rect);
2013 }
2014
2015 static void
2016 _elm_list_smart_access(Evas_Object *obj, Eina_Bool is_access)
2017 {
2018    Eina_List *elist = NULL;
2019    Elm_List_Item *it;
2020
2021    ELM_LIST_DATA_GET(obj, sd);
2022
2023    if (is_access)
2024      ELM_WIDGET_CLASS(ELM_WIDGET_DATA(sd)->api)->focus_next =
2025         _elm_list_smart_focus_next;
2026    else
2027      ELM_WIDGET_CLASS(ELM_WIDGET_DATA(sd)->api)->focus_next = NULL;
2028
2029    EINA_LIST_FOREACH(sd->items, elist, it)
2030      _access_widget_item_register(it, is_access);
2031
2032    evas_object_smart_callback_call(obj, SIG_ACCESS_CHANGED, NULL);
2033 }
2034
2035 static void
2036 _elm_list_smart_set_user(Elm_List_Smart_Class *sc)
2037 {
2038    ELM_WIDGET_CLASS(sc)->base.add = _elm_list_smart_add;
2039    ELM_WIDGET_CLASS(sc)->base.del = _elm_list_smart_del;
2040    ELM_WIDGET_CLASS(sc)->base.move = _elm_list_smart_move;
2041    ELM_WIDGET_CLASS(sc)->base.resize = _elm_list_smart_resize;
2042    ELM_WIDGET_CLASS(sc)->base.member_add = _elm_list_smart_member_add;
2043
2044    ELM_WIDGET_CLASS(sc)->sub_object_del = _elm_list_smart_sub_object_del;
2045    ELM_WIDGET_CLASS(sc)->on_focus = _elm_list_smart_on_focus;
2046    ELM_WIDGET_CLASS(sc)->focus_next = NULL;
2047    ELM_WIDGET_CLASS(sc)->focus_direction = NULL;
2048    ELM_WIDGET_CLASS(sc)->theme = _elm_list_smart_theme;
2049    ELM_WIDGET_CLASS(sc)->disable = _elm_list_smart_disable;
2050    ELM_WIDGET_CLASS(sc)->event = _elm_list_smart_event;
2051    ELM_WIDGET_CLASS(sc)->translate = _elm_list_smart_translate;
2052    ELM_WIDGET_CLASS(sc)->access = _elm_list_smart_access;
2053
2054    ELM_LAYOUT_CLASS(sc)->sizing_eval = _elm_list_smart_sizing_eval;
2055
2056    if (_elm_config->access_mode == ELM_ACCESS_MODE_ON)
2057      ELM_WIDGET_CLASS(sc)->focus_next = _elm_list_smart_focus_next;
2058 }
2059
2060 EAPI const Elm_List_Smart_Class *
2061 elm_list_smart_class_get(void)
2062 {
2063    static Elm_List_Smart_Class _sc =
2064      ELM_LIST_SMART_CLASS_INIT_NAME_VERSION(ELM_LIST_SMART_NAME);
2065    static const Elm_List_Smart_Class *class = NULL;
2066    Evas_Smart_Class *esc = (Evas_Smart_Class *)&_sc;
2067
2068    if (class)
2069      return class;
2070
2071    _elm_list_smart_set(&_sc);
2072    esc->callbacks = _smart_callbacks;
2073    class = &_sc;
2074
2075    return class;
2076 }
2077
2078 EAPI Evas_Object *
2079 elm_list_add(Evas_Object *parent)
2080 {
2081    Evas_Object *obj;
2082
2083    EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
2084
2085    obj = elm_widget_add(_elm_list_smart_class_new(), parent);
2086    if (!obj) return NULL;
2087
2088    if (!elm_widget_sub_object_add(parent, obj))
2089      ERR("could not add %p as sub object of %p", obj, parent);
2090
2091    return obj;
2092 }
2093
2094 EAPI void
2095 elm_list_go(Evas_Object *obj)
2096 {
2097    ELM_LIST_CHECK(obj);
2098
2099    _items_fix(obj);
2100 }
2101
2102 EAPI void
2103 elm_list_multi_select_set(Evas_Object *obj,
2104                           Eina_Bool multi)
2105 {
2106    ELM_LIST_CHECK(obj);
2107    ELM_LIST_DATA_GET(obj, sd);
2108
2109    sd->multi = multi;
2110 }
2111
2112 EAPI Eina_Bool
2113 elm_list_multi_select_get(const Evas_Object *obj)
2114 {
2115    ELM_LIST_CHECK(obj) EINA_FALSE;
2116    ELM_LIST_DATA_GET(obj, sd);
2117
2118    return sd->multi;
2119 }
2120
2121 EAPI void
2122 elm_list_mode_set(Evas_Object *obj,
2123                   Elm_List_Mode mode)
2124 {
2125    ELM_LIST_CHECK(obj);
2126    ELM_LIST_DATA_GET(obj, sd);
2127
2128    if (sd->mode == mode)
2129      return;
2130
2131    sd->mode = mode;
2132
2133    _elm_list_mode_set_internal(sd);
2134 }
2135
2136 EAPI Elm_List_Mode
2137 elm_list_mode_get(const Evas_Object *obj)
2138 {
2139    ELM_LIST_CHECK(obj) ELM_LIST_LAST;
2140    ELM_LIST_DATA_GET(obj, sd);
2141
2142    return sd->mode;
2143 }
2144
2145 EAPI void
2146 elm_list_horizontal_set(Evas_Object *obj,
2147                         Eina_Bool horizontal)
2148 {
2149    Eina_Bool bounce = _elm_config->thumbscroll_bounce_enable;
2150
2151    ELM_LIST_CHECK(obj);
2152    ELM_LIST_DATA_GET(obj, sd);
2153
2154    horizontal = !!horizontal;
2155
2156    if (sd->h_mode == horizontal)
2157      return;
2158
2159    sd->h_mode = horizontal;
2160    elm_box_horizontal_set(sd->box, horizontal);
2161
2162    if (horizontal)
2163      {
2164         evas_object_size_hint_weight_set(sd->box, 0.0, EVAS_HINT_EXPAND);
2165         evas_object_size_hint_align_set(sd->box, 0.0, EVAS_HINT_FILL);
2166         sd->s_iface->bounce_allow_set(obj, bounce, EINA_FALSE);
2167      }
2168    else
2169      {
2170         evas_object_size_hint_weight_set(sd->box, EVAS_HINT_EXPAND, 0.0);
2171         evas_object_size_hint_align_set(sd->box, EVAS_HINT_FILL, 0.0);
2172         sd->s_iface->bounce_allow_set(obj, EINA_FALSE, bounce);
2173      }
2174
2175    _elm_list_mode_set_internal(sd);
2176 }
2177
2178 EAPI Eina_Bool
2179 elm_list_horizontal_get(const Evas_Object *obj)
2180 {
2181    ELM_LIST_CHECK(obj) EINA_FALSE;
2182    ELM_LIST_DATA_GET(obj, sd);
2183
2184    return sd->h_mode;
2185 }
2186
2187 EAPI void
2188 elm_list_select_mode_set(Evas_Object *obj,
2189                          Elm_Object_Select_Mode mode)
2190 {
2191    ELM_LIST_CHECK(obj);
2192    ELM_LIST_DATA_GET(obj, sd);
2193
2194    if (mode >= ELM_OBJECT_SELECT_MODE_MAX)
2195      return;
2196
2197    if (sd->select_mode != mode)
2198      sd->select_mode = mode;
2199 }
2200
2201 EAPI Elm_Object_Select_Mode
2202 elm_list_select_mode_get(const Evas_Object *obj)
2203 {
2204    ELM_LIST_CHECK(obj) ELM_OBJECT_SELECT_MODE_MAX;
2205    ELM_LIST_DATA_GET(obj, sd);
2206
2207    return sd->select_mode;
2208 }
2209
2210 EAPI void
2211 elm_list_bounce_set(Evas_Object *obj,
2212                     Eina_Bool h_bounce,
2213                     Eina_Bool v_bounce)
2214 {
2215    ELM_LIST_CHECK(obj);
2216    ELM_LIST_DATA_GET(obj, sd);
2217
2218    sd->s_iface->bounce_allow_set(obj, h_bounce, v_bounce);
2219 }
2220
2221 EAPI void
2222 elm_list_bounce_get(const Evas_Object *obj,
2223                     Eina_Bool *h_bounce,
2224                     Eina_Bool *v_bounce)
2225 {
2226    ELM_LIST_CHECK(obj);
2227    ELM_LIST_DATA_GET(obj, sd);
2228
2229    sd->s_iface->bounce_allow_get(obj, h_bounce, v_bounce);
2230 }
2231
2232 EAPI void
2233 elm_list_scroller_policy_set(Evas_Object *obj,
2234                              Elm_Scroller_Policy policy_h,
2235                              Elm_Scroller_Policy policy_v)
2236 {
2237    ELM_LIST_CHECK(obj);
2238    ELM_LIST_DATA_GET(obj, sd);
2239
2240    if ((policy_h >= ELM_SCROLLER_POLICY_LAST) ||
2241        (policy_v >= ELM_SCROLLER_POLICY_LAST))
2242      return;
2243
2244    sd->s_iface->policy_set(obj, policy_h, policy_v);
2245 }
2246
2247 EAPI void
2248 elm_list_scroller_policy_get(const Evas_Object *obj,
2249                              Elm_Scroller_Policy *policy_h,
2250                              Elm_Scroller_Policy *policy_v)
2251 {
2252    ELM_LIST_CHECK(obj);
2253    ELM_LIST_DATA_GET(obj, sd);
2254
2255    sd->s_iface->policy_get(obj, policy_h, policy_v);
2256 }
2257
2258 EAPI void
2259 elm_list_clear(Evas_Object *obj)
2260 {
2261    Elm_List_Item *it;
2262
2263    ELM_LIST_CHECK(obj);
2264    ELM_LIST_DATA_GET(obj, sd);
2265
2266    if (!sd->items) return;
2267
2268    eina_list_free(sd->selected);
2269    sd->selected = NULL;
2270
2271    if (sd->walking > 0)
2272      {
2273         Eina_List *n;
2274
2275         EINA_LIST_FOREACH(sd->items, n, it)
2276           {
2277              if (it->deleted) continue;
2278              it->deleted = EINA_TRUE;
2279              sd->to_delete = eina_list_append(sd->to_delete, it);
2280           }
2281         return;
2282      }
2283
2284    evas_object_ref(obj);
2285
2286    _elm_list_walk(sd);
2287
2288    EINA_LIST_FREE (sd->items, it)
2289      {
2290         /* issuing free because of "locking" item del pre hook */
2291         _elm_list_item_free(it);
2292         elm_widget_item_free(it);
2293      }
2294
2295    _elm_list_unwalk(sd);
2296
2297    _items_fix(obj);
2298    elm_layout_sizing_eval(obj);
2299
2300    evas_object_unref(obj);
2301 }
2302
2303 EAPI const Eina_List *
2304 elm_list_items_get(const Evas_Object *obj)
2305 {
2306    ELM_LIST_CHECK(obj) NULL;
2307    ELM_LIST_DATA_GET(obj, sd);
2308
2309    return sd->items;
2310 }
2311
2312 EAPI Elm_Object_Item *
2313 elm_list_selected_item_get(const Evas_Object *obj)
2314 {
2315    ELM_LIST_CHECK(obj) NULL;
2316    ELM_LIST_DATA_GET(obj, sd);
2317
2318    if (sd->selected) return (Elm_Object_Item *)sd->selected->data;
2319
2320    return NULL;
2321 }
2322
2323 EAPI const Eina_List *
2324 elm_list_selected_items_get(const Evas_Object *obj)
2325 {
2326    ELM_LIST_CHECK(obj) NULL;
2327    ELM_LIST_DATA_GET(obj, sd);
2328
2329    return sd->selected;
2330 }
2331
2332 EAPI Elm_Object_Item *
2333 elm_list_item_append(Evas_Object *obj,
2334                      const char *label,
2335                      Evas_Object *icon,
2336                      Evas_Object *end,
2337                      Evas_Smart_Cb func,
2338                      const void *data)
2339 {
2340    Elm_List_Item *it;
2341
2342    ELM_LIST_CHECK(obj) NULL;
2343    ELM_LIST_DATA_GET(obj, sd);
2344
2345    it = _item_new(obj, label, icon, end, func, data);
2346
2347    sd->items = eina_list_append(sd->items, it);
2348    it->node = eina_list_last(sd->items);
2349    elm_box_pack_end(sd->box, VIEW(it));
2350
2351    return (Elm_Object_Item *)it;
2352 }
2353
2354 EAPI Elm_Object_Item *
2355 elm_list_item_prepend(Evas_Object *obj,
2356                       const char *label,
2357                       Evas_Object *icon,
2358                       Evas_Object *end,
2359                       Evas_Smart_Cb func,
2360                       const void *data)
2361 {
2362    Elm_List_Item *it;
2363
2364    ELM_LIST_CHECK(obj) NULL;
2365    ELM_LIST_DATA_GET(obj, sd);
2366
2367    it = _item_new(obj, label, icon, end, func, data);
2368
2369    sd->items = eina_list_prepend(sd->items, it);
2370    it->node = sd->items;
2371    elm_box_pack_start(sd->box, VIEW(it));
2372
2373    return (Elm_Object_Item *)it;
2374 }
2375
2376 EAPI Elm_Object_Item *
2377 elm_list_item_insert_before(Evas_Object *obj,
2378                             Elm_Object_Item *before,
2379                             const char *label,
2380                             Evas_Object *icon,
2381                             Evas_Object *end,
2382                             Evas_Smart_Cb func,
2383                             const void *data)
2384 {
2385    Elm_List_Item *it, *before_it;
2386
2387    ELM_LIST_CHECK(obj) NULL;
2388    ELM_LIST_ITEM_CHECK_OR_RETURN(before, NULL);
2389    ELM_LIST_DATA_GET(obj, sd);
2390
2391    before_it = (Elm_List_Item *)before;
2392    if (!before_it->node) return NULL;
2393
2394    it = _item_new(obj, label, icon, end, func, data);
2395    sd->items = eina_list_prepend_relative_list(sd->items, it, before_it->node);
2396    it->node = before_it->node->prev;
2397    elm_box_pack_before(sd->box, VIEW(it), VIEW(before_it));
2398
2399    return (Elm_Object_Item *)it;
2400 }
2401
2402 EAPI Elm_Object_Item *
2403 elm_list_item_insert_after(Evas_Object *obj,
2404                            Elm_Object_Item *after,
2405                            const char *label,
2406                            Evas_Object *icon,
2407                            Evas_Object *end,
2408                            Evas_Smart_Cb func,
2409                            const void *data)
2410 {
2411    Elm_List_Item *it, *after_it;
2412
2413    ELM_LIST_CHECK(obj) NULL;
2414    ELM_LIST_ITEM_CHECK_OR_RETURN(after, NULL);
2415    ELM_LIST_DATA_GET(obj, sd);
2416
2417    after_it = (Elm_List_Item *)after;
2418    if (!after_it->node) return NULL;
2419
2420    it = _item_new(obj, label, icon, end, func, data);
2421    sd->items = eina_list_append_relative_list(sd->items, it, after_it->node);
2422    it->node = after_it->node->next;
2423    elm_box_pack_after(sd->box, VIEW(it), VIEW(after_it));
2424
2425    return (Elm_Object_Item *)it;
2426 }
2427
2428 EAPI Elm_Object_Item *
2429 elm_list_item_sorted_insert(Evas_Object *obj,
2430                             const char *label,
2431                             Evas_Object *icon,
2432                             Evas_Object *end,
2433                             Evas_Smart_Cb func,
2434                             const void *data,
2435                             Eina_Compare_Cb cmp_func)
2436 {
2437    Eina_List *l;
2438    Elm_List_Item *it;
2439
2440    ELM_LIST_CHECK(obj) NULL;
2441    ELM_LIST_DATA_GET(obj, sd);
2442
2443    it = _item_new(obj, label, icon, end, func, data);
2444
2445    sd->items = eina_list_sorted_insert(sd->items, cmp_func, it);
2446    l = eina_list_data_find_list(sd->items, it);
2447    l = eina_list_next(l);
2448    if (!l)
2449      {
2450         it->node = eina_list_last(sd->items);
2451         elm_box_pack_end(sd->box, VIEW(it));
2452      }
2453    else
2454      {
2455         Elm_List_Item *before = eina_list_data_get(l);
2456
2457         it->node = before->node->prev;
2458         elm_box_pack_before(sd->box, VIEW(it), VIEW(before));
2459      }
2460
2461    return (Elm_Object_Item *)it;
2462 }
2463
2464 EAPI void
2465 elm_list_item_separator_set(Elm_Object_Item *it,
2466                             Eina_Bool setting)
2467 {
2468    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
2469
2470    ((Elm_List_Item *)it)->is_separator = !!setting;
2471 }
2472
2473 EAPI Eina_Bool
2474 elm_list_item_separator_get(const Elm_Object_Item *it)
2475 {
2476    ELM_LIST_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
2477
2478    return ((Elm_List_Item *)it)->is_separator;
2479 }
2480
2481 EAPI void
2482 elm_list_item_selected_set(Elm_Object_Item *it,
2483                            Eina_Bool selected)
2484 {
2485    Elm_List_Item *item = (Elm_List_Item *)it;
2486    Evas_Object *obj;
2487
2488    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
2489    obj = WIDGET(it);
2490    ELM_LIST_DATA_GET(obj, sd);
2491
2492    selected = !!selected;
2493    if (item->selected == selected) return;
2494
2495    evas_object_ref(obj);
2496    _elm_list_walk(sd);
2497
2498    if (selected)
2499      {
2500         if (!sd->multi)
2501           {
2502              while (sd->selected)
2503                _item_unselect(sd->selected->data);
2504           }
2505         _item_highlight(item);
2506         _item_select(item);
2507      }
2508    else
2509      _item_unselect(item);
2510
2511    _elm_list_unwalk(sd);
2512    evas_object_unref(obj);
2513 }
2514
2515 EAPI Eina_Bool
2516 elm_list_item_selected_get(const Elm_Object_Item *it)
2517 {
2518    ELM_LIST_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
2519
2520    return ((Elm_List_Item *)it)->selected;
2521 }
2522
2523 EAPI void
2524 elm_list_item_show(Elm_Object_Item *it)
2525 {
2526    Evas_Coord bx, by, bw, bh;
2527    Evas_Coord x, y, w, h;
2528
2529    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
2530    ELM_LIST_DATA_GET(WIDGET(it), sd);
2531
2532    evas_smart_objects_calculate(evas_object_evas_get(sd->box));
2533    evas_object_geometry_get(sd->box, &bx, &by, &bw, &bh);
2534    evas_object_geometry_get(VIEW(it), &x, &y, &w, &h);
2535    x -= bx;
2536    y -= by;
2537
2538    sd->s_iface->content_region_show(WIDGET(it), x, y, w, h);
2539 }
2540
2541 EAPI void
2542 elm_list_item_bring_in(Elm_Object_Item *it)
2543 {
2544    Evas_Coord bx, by, bw, bh;
2545    Evas_Coord x, y, w, h;
2546
2547    ELM_LIST_ITEM_CHECK_OR_RETURN(it);
2548    ELM_LIST_DATA_GET(WIDGET(it), sd);
2549
2550    evas_smart_objects_calculate(evas_object_evas_get(sd->box));
2551    evas_object_geometry_get(sd->box, &bx, &by, &bw, &bh);
2552    evas_object_geometry_get(VIEW(it), &x, &y, &w, &h);
2553    x -= bx;
2554    y -= by;
2555
2556    sd->s_iface->region_bring_in(WIDGET(it), x, y, w, h);
2557 }
2558
2559 EAPI Evas_Object *
2560 elm_list_item_object_get(const Elm_Object_Item *it)
2561 {
2562    ELM_LIST_ITEM_CHECK_OR_RETURN(it, NULL);
2563
2564    return VIEW(it);
2565 }
2566
2567 EAPI Elm_Object_Item *
2568 elm_list_item_prev(const Elm_Object_Item *it)
2569 {
2570    Elm_List_Item *item = (Elm_List_Item *)it;
2571
2572    ELM_LIST_ITEM_CHECK_OR_RETURN(it, NULL);
2573
2574    if (item->node->prev) return item->node->prev->data;
2575    else return NULL;
2576 }
2577
2578 EAPI Elm_Object_Item *
2579 elm_list_item_next(const Elm_Object_Item *it)
2580 {
2581    Elm_List_Item *item = (Elm_List_Item *)it;
2582
2583    ELM_LIST_ITEM_CHECK_OR_RETURN(it, NULL);
2584
2585    if (item->node->next) return item->node->next->data;
2586    else return NULL;
2587 }
2588
2589 EAPI Elm_Object_Item *
2590 elm_list_first_item_get(const Evas_Object *obj)
2591 {
2592    ELM_LIST_CHECK(obj) NULL;
2593    ELM_LIST_DATA_GET(obj, sd);
2594
2595    if (!sd->items) return NULL;
2596
2597    return eina_list_data_get(sd->items);
2598 }
2599
2600 EAPI Elm_Object_Item *
2601 elm_list_last_item_get(const Evas_Object *obj)
2602 {
2603    ELM_LIST_CHECK(obj) NULL;
2604    ELM_LIST_DATA_GET(obj, sd);
2605
2606    if (!sd->items) return NULL;
2607
2608    return eina_list_data_get(eina_list_last(sd->items));
2609 }
2610
2611 EAPI Elm_Object_Item *
2612 elm_list_at_xy_item_get(const Evas_Object *obj,
2613                            Evas_Coord x,
2614                            Evas_Coord y,
2615                            int *posret)
2616 {
2617    ELM_LIST_CHECK(obj) NULL;
2618    ELM_LIST_DATA_GET(obj, sd);
2619    Eina_List *l;
2620    Elm_List_Item *it;
2621    Evas_Coord lasty;
2622    evas_object_geometry_get(sd->hit_rect, &lasty, NULL, NULL, NULL);
2623
2624    EINA_LIST_FOREACH(sd->items, l, it)
2625      {
2626         Evas_Coord itx, ity;
2627         Evas_Object *vit = VIEW(it);
2628         Evas_Coord vx, vy, vw, vh;
2629         evas_object_geometry_get(vit, &vx, &vy, &vw, &vh);
2630
2631         itx = vx;
2632         ity = vy;
2633         if (ELM_RECTS_INTERSECT
2634               (itx, ity, vw, vh, x, y, 1, 1))
2635           {
2636              if (posret)
2637                {
2638                   if (y <= (ity + (vh / 4))) *posret = -1;
2639                   else if (y >= (ity + vh - (vh / 4)))
2640                     *posret = 1;
2641                   else *posret = 0;
2642                }
2643
2644              return (Elm_Object_Item *) it;
2645           }
2646
2647         lasty = ity + vh;
2648      }
2649
2650    if (posret)
2651      {
2652         if (y > lasty) *posret = 1;
2653         else *posret = -1;
2654      }
2655
2656    return NULL;
2657 }