src/lib/elm_segment_control.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 typedef struct _Widget_Data Widget_Data;
   5 typedef struct _Elm_Segment_Item Elm_Segment_Item;
   6
   7 struct _Widget_Data
   8 {
   9    Evas_Object *obj;
  10    Evas_Object *base;
  11    Eina_List *seg_items;
  12    int item_count;
  13    Elm_Segment_Item *selected_item;
  14    int item_width;
  15 };
  16
  17 struct _Elm_Segment_Item
  18 {
  19    ELM_WIDGET_ITEM;
  20    Evas_Object *icon;
  21    const char *label;
  22    int seg_index;
  23 };
  24
  25 static const char *widtype = NULL;
  26 static void _sizing_eval(Evas_Object *obj);
  27 static void _del_hook(Evas_Object *obj);
  28 static void _theme_hook(Evas_Object *obj);
  29 static void _disable_hook(Evas_Object *obj);
  30 static void _item_free(Elm_Segment_Item *it);
  31 static void _segment_off(Elm_Segment_Item *it);
  32 static void _segment_on(Elm_Segment_Item *it);
  33 static void _position_items(Widget_Data *wd);
  34 static void _on_move_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj
  35                             __UNUSED__, void *event_info __UNUSED__);
  36 static void _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj
  37                       __UNUSED__, void *event_info __UNUSED__);
  38 static void _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj
  39                         __UNUSED__, void *event_info __UNUSED__);
  40 static void _swallow_item_objects(Elm_Segment_Item *it);
  41 static void _update_list(Widget_Data *wd);
  42 static Elm_Segment_Item * _item_find(const Evas_Object *obj, int index);
  43 static Elm_Segment_Item* _item_new(Evas_Object *obj, Evas_Object *icon,
  44                                    const char *label);
  45
  46 static const char SIG_CHANGED[] = "changed";
  47
  48 static const Evas_Smart_Cb_Description _signals[] = {
  49    {SIG_CHANGED, ""},
  50    {NULL, NULL}
  51 };
  52
  53 static void
  54 _sizing_eval(Evas_Object *obj)
  55 {
  56    Widget_Data *wd;
  57    Evas_Coord minw = -1, minh = -1;
  58    Evas_Coord w, h;
  59
  60    wd = elm_widget_data_get(obj);
  61    if (!wd) return;
  62
  63    elm_coords_finger_size_adjust(wd->item_count, &minw, 1, &minh);
  64    edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
  65    elm_coords_finger_size_adjust(wd->item_count, &minw, 1, &minh);
  66
  67    evas_object_size_hint_min_get(obj, &w, &h);
  68    if (w > minw) minw = w;
  69    if (h > minh) minh = h;
  70    evas_object_size_hint_min_set(obj, minw, minh);
  71 }
  72
  73 static void
  74 _del_hook(Evas_Object *obj)
  75 {
  76    Elm_Segment_Item *it;
  77    Widget_Data *wd;
  78
  79    wd = elm_widget_data_get(obj);
  80    if (!wd) return;
  81
  82    EINA_LIST_FREE(wd->seg_items, it)
  83      {
  84         _item_free(it);
  85         elm_widget_item_free(it);
  86      }
  87
  88    free(wd);
  89 }
  90
  91 static void
  92 _theme_hook(Evas_Object *obj)
  93 {
  94    Eina_List *l;
  95    Eina_Bool rtl;
  96    Elm_Segment_Item *it;
  97    Widget_Data *wd;
  98
  99    wd = elm_widget_data_get(obj);
 100    if (!wd) return;
 101
 102    _elm_widget_mirrored_reload(obj);
 103    rtl = elm_widget_mirrored_get(obj);
 104    edje_object_mirrored_set(wd->base, rtl);
 105
 106    _elm_theme_object_set(obj, wd->base, "segment_control", "base",
 107                          elm_widget_style_get(obj));
 108    edje_object_scale_set(wd->base, elm_widget_scale_get(wd->base)
 109                          *_elm_config->scale);
 110
 111    EINA_LIST_FOREACH(wd->seg_items, l, it)
 112      {
 113         _elm_theme_object_set(obj, VIEW(it), "segment_control",
 114                               "item", elm_widget_style_get(obj));
 115         edje_object_scale_set(VIEW(it), elm_widget_scale_get(VIEW(it))
 116                               *_elm_config->scale);
 117         edje_object_mirrored_set(VIEW(it), rtl);
 118      }
 119
 120    _update_list(wd);
 121 }
 122
 123 static void
 124 _disable_hook(Evas_Object *obj)
 125 {
 126    Widget_Data *wd;
 127
 128    wd = elm_widget_data_get(obj);
 129    if (!wd) return;
 130    _update_list(wd);
 131 }
 132
 133 // TODO:  Elm_widget elm_widget_focus_list_next_get  supports only Elm_widget list,
 134 // Not the Elm_Widget_item. Focus switching with in widget not supported until
 135 // it is supported in elm_widget
 136 #if 0
 137 static void *
 138 _elm_list_data_get(const Eina_List *list)
 139 {
 140    Elm_Segment_Item *it = eina_list_data_get(list);
 141
 142    if (it) return NULL;
 143
 144    edje_object_signal_emit(VIEW(it), "elm,state,segment,selected", "elm");
 145    return VIEW(it);
 146 }
 147
 148 static Eina_Bool
 149 _focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir,
 150                  Evas_Object **next)
 151 {
 152    static int count=0;
 153    Widget_Data *;
 154    const Eina_List *items;
 155    void *(*list_data_get) (const Eina_List *list);
 156
 157    wd = elm_widget_data_get(obj);
 158    if ((!wd)) return EINA_FALSE;
 159
 160    /* Focus chain */
 161    /* TODO: Change this to use other chain */
 162    if ((items = elm_widget_focus_custom_chain_get(obj)))
 163      list_data_get = eina_list_data_get;
 164    else
 165      {
 166         items = wd->seg_items;
 167         list_data_get = _elm_list_data_get;
 168         if (!items) return EINA_FALSE;
 169      }
 170    return elm_widget_focus_list_next_get(obj, items, list_data_get, dir, next);
 171 }
 172 #endif
 173
 174 static void
 175 _item_free(Elm_Segment_Item *it)
 176 {
 177    Widget_Data *wd;
 178
 179    if (!it) return;
 180
 181    wd = elm_widget_item_data_get(it);
 182    if (!wd) return;
 183
 184    if (wd->selected_item == it) wd->selected_item = NULL;
 185    if (wd->seg_items) wd->seg_items = eina_list_remove(wd->seg_items, it);
 186
 187    if (it->icon) evas_object_del(it->icon);
 188    if (it->label) eina_stringshare_del(it->label);
 189 }
 190
 191 static void
 192 _segment_off(Elm_Segment_Item *it)
 193 {
 194    Widget_Data *wd;
 195
 196    if (!it) return;
 197
 198    wd = elm_widget_item_data_get(it);
 199    if (!wd) return;
 200
 201    edje_object_signal_emit(VIEW(it), "elm,state,segment,normal", "elm");
 202
 203    if (wd->selected_item == it) wd->selected_item = NULL;
 204 }
 205
 206 static void
 207 _segment_on(Elm_Segment_Item *it)
 208 {
 209    Widget_Data *wd;
 210
 211    if (!it) return;
 212
 213    wd = elm_widget_item_data_get(it);
 214    if (!wd) return;
 215    if (it == wd->selected_item) return;
 216
 217    if (wd->selected_item) _segment_off(wd->selected_item);
 218
 219    edje_object_signal_emit(VIEW(it), "elm,state,segment,selected", "elm");
 220
 221    wd->selected_item = it;
 222    evas_object_smart_callback_call(wd->obj, SIG_CHANGED, it);
 223 }
 224
 225 static void
 226 _position_items(Widget_Data *wd)
 227 {
 228    Eina_List *l;
 229    Elm_Segment_Item *it;
 230    Eina_Bool rtl;
 231    int bx, by, bw, bh, pos;
 232
 233    wd->item_count = eina_list_count(wd->seg_items);
 234    if (wd->item_count <= 0) return;
 235
 236    evas_object_geometry_get(wd->base, &bx, &by, &bw, &bh);
 237    wd->item_width = bw / wd->item_count;
 238    rtl = elm_widget_mirrored_get(wd->obj);
 239
 240    if (rtl)
 241      pos = bx + bw - wd->item_width;
 242    else
 243      pos = bx;
 244
 245    EINA_LIST_FOREACH(wd->seg_items, l, it)
 246      {
 247         evas_object_move(VIEW(it), pos, by);
 248         evas_object_resize(VIEW(it), wd->item_width, bh);
 249         if (rtl)
 250           pos -= wd->item_width;
 251         else
 252           pos += wd->item_width;
 253      }
 254    _sizing_eval(wd->obj);
 255 }
 256
 257 static void
 258 _on_move_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__,
 259                 void *event_info __UNUSED__)
 260 {
 261    Widget_Data *wd;
 262
 263    wd = elm_widget_data_get(data);
 264    if (!wd) return;
 265
 266    _position_items(wd);
 267
 268 }
 269
 270 static void
 271 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__,
 272           void *event_info)
 273 {
 274    Widget_Data *wd;
 275    Elm_Segment_Item *it;
 276    Evas_Event_Mouse_Up *ev;
 277    Evas_Coord x, y, w, h;
 278
 279    it = data;
 280    if (!it) return;
 281
 282    wd = elm_widget_item_data_get(it);
 283    if (!wd) return;
 284
 285    if (elm_widget_disabled_get(wd->obj)) return;
 286
 287    if (it == wd->selected_item) return;
 288
 289    ev = event_info;
 290    evas_object_geometry_get(VIEW(it), &x, &y, &w, &h);
 291
 292    if ((ev->canvas.x >= x) && (ev->output.x <= (x + w)) && (ev->canvas.y >= y)
 293        && (ev->canvas.y <= (y + h)))
 294      _segment_on(it);
 295    else
 296      edje_object_signal_emit(VIEW(it), "elm,state,segment,normal", "elm");
 297 }
 298
 299 static void
 300 _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__,
 301             void *event_info __UNUSED__)
 302 {
 303    Widget_Data *wd;
 304    Elm_Segment_Item *it;
 305
 306    it = data;
 307    if (!it) return;
 308
 309    wd = elm_widget_item_data_get(it);
 310    if (!wd) return;
 311
 312    if (elm_widget_disabled_get(wd->obj)) return;
 313
 314    if (it == wd->selected_item) return;
 315
 316    edje_object_signal_emit(VIEW(it), "elm,state,segment,pressed", "elm");
 317 }
 318
 319 static void
 320 _swallow_item_objects(Elm_Segment_Item *it)
 321 {
 322    if (!it) return;
 323
 324    if (it->icon)
 325      {
 326         edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
 327         edje_object_signal_emit(VIEW(it), "elm,state,icon,visible", "elm");
 328      }
 329    else
 330      edje_object_signal_emit(VIEW(it), "elm,state,icon,hidden", "elm");
 331
 332    if (it->label)
 333      {
 334         edje_object_part_text_set(VIEW(it), "elm.text", it->label);
 335         edje_object_signal_emit(VIEW(it), "elm,state,text,visible", "elm");
 336      }
 337    else
 338      edje_object_signal_emit(VIEW(it), "elm,state,text,hidden", "elm");
 339    edje_object_message_signal_process(VIEW(it));
 340 }
 341
 342 static void
 343 _update_list(Widget_Data *wd)
 344 {
 345    Eina_List *l;
 346    Elm_Segment_Item *it;
 347    Eina_Bool rtl;
 348    int idx = 0;
 349
 350    _position_items(wd);
 351
 352    if (wd->item_count == 1)
 353      {
 354         it = eina_list_nth(wd->seg_items, 0);
 355         it->seg_index = 0;
 356
 357         //Set the segment type
 358         edje_object_signal_emit(VIEW(it),
 359                                 "elm,type,segment,single", "elm");
 360
 361         //Set the segment state
 362         if (wd->selected_item == it)
 363           edje_object_signal_emit(VIEW(it),
 364                                   "elm,state,segment,selected", "elm");
 365         else
 366           edje_object_signal_emit(VIEW(it),
 367                                   "elm,state,segment,normal", "elm");
 368
 369         if (elm_widget_disabled_get(wd->obj))
 370           edje_object_signal_emit(VIEW(it), "elm,state,disabled", "elm");
 371         else
 372           edje_object_signal_emit(VIEW(it), "elm,state,enabled", "elm");
 373
 374         _swallow_item_objects(it);
 375         return;
 376      }
 377
 378    rtl = elm_widget_mirrored_get(wd->obj);
 379    EINA_LIST_FOREACH(wd->seg_items, l, it)
 380      {
 381         it->seg_index = idx;
 382
 383         //Set the segment type
 384         if (idx == 0)
 385           {
 386              if (rtl)
 387                edje_object_signal_emit(VIEW(it),
 388                                        "elm,type,segment,right", "elm");
 389              else
 390                edje_object_signal_emit(VIEW(it),
 391                                        "elm,type,segment,left", "elm");
 392           }
 393         else if (idx == (wd->item_count - 1))
 394           {
 395              if (rtl)
 396                edje_object_signal_emit(VIEW(it),
 397                                        "elm,type,segment,left", "elm");
 398              else
 399                edje_object_signal_emit(VIEW(it),
 400                                        "elm,type,segment,right", "elm");
 401           }
 402         else
 403           edje_object_signal_emit(VIEW(it),
 404                                   "elm,type,segment,middle", "elm");
 405
 406         //Set the segment state
 407         if (wd->selected_item == it)
 408           edje_object_signal_emit(VIEW(it),
 409                                   "elm,state,segment,selected", "elm");
 410         else
 411           edje_object_signal_emit(VIEW(it),
 412                                   "elm,state,segment,normal", "elm");
 413
 414         if (elm_widget_disabled_get(wd->obj))
 415           edje_object_signal_emit(VIEW(it), "elm,state,disabled", "elm");
 416         else
 417           edje_object_signal_emit(VIEW(it), "elm,state,enabled", "elm");
 418
 419         _swallow_item_objects(it);
 420         idx++;
 421      }
 422 }
 423
 424 static Elm_Segment_Item *
 425 _item_find(const Evas_Object *obj, int idx)
 426 {
 427    Widget_Data *wd;
 428    Elm_Segment_Item *it;
 429
 430    wd = elm_widget_data_get(obj);
 431    if (!wd) return NULL;
 432
 433    it = eina_list_nth(wd->seg_items, idx);
 434    return it;
 435 }
 436
 437 static void
 438 _item_text_set_hook(Elm_Object_Item *it, const char *part, const char *label)
 439 {
 440    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 441    Widget_Data *wd;
 442    Elm_Segment_Item *item;
 443
 444    if (part && strcmp(part, "default")) return;
 445
 446    item = (Elm_Segment_Item *) it;
 447    wd = elm_widget_item_data_get(item);
 448    if (!wd) return;
 449
 450    eina_stringshare_replace(&item->label, label);
 451    if (item->label)
 452      edje_object_signal_emit(VIEW(item), "elm,state,text,visible", "elm");
 453    else
 454      edje_object_signal_emit(VIEW(item), "elm,state,text,hidden", "elm");
 455    edje_object_message_signal_process(VIEW(item));
 456    //label can be NULL also.
 457    edje_object_part_text_set(VIEW(item), "elm.text", item->label);
 458 }
 459
 460 static const char *
 461 _item_text_get_hook(const Elm_Object_Item *it, const char *part)
 462 {
 463    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 464    if (part && strcmp(part, "default")) return NULL;
 465    return ((Elm_Segment_Item *) it)->label;
 466 }
 467
 468 static void
 469 _item_content_set_hook(Elm_Object_Item *it,
 470                        const char *part,
 471                        Evas_Object *content)
 472 {
 473    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 474    Elm_Segment_Item *item;
 475
 476    if (part && strcmp(part, "icon")) return;
 477
 478    item = (Elm_Segment_Item *) it;
 479
 480    //Remove the existing icon
 481    if (item->icon)
 482      {
 483         edje_object_part_unswallow(VIEW(item), item->icon);
 484         evas_object_del(item->icon);
 485         item->icon = NULL;
 486      }
 487    item->icon = content;
 488    if (item->icon)
 489      {
 490         elm_widget_sub_object_add(VIEW(item), item->icon);
 491         edje_object_part_swallow(VIEW(item), "elm.swallow.icon", item->icon);
 492         edje_object_signal_emit(VIEW(item), "elm,state,icon,visible", "elm");
 493      }
 494    else
 495      edje_object_signal_emit(VIEW(item), "elm,state,icon,hidden", "elm");
 496 }
 497
 498 static Evas_Object *
 499 _item_content_get_hook(const Elm_Object_Item *it, const char *part)
 500 {
 501    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 502    if (part && strcmp(part, "icon")) return NULL;
 503    return ((Elm_Segment_Item *) it)->icon;
 504 }
 505
 506 static void
 507 _item_del_pre_hook(Elm_Object_Item *it)
 508 {
 509    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 510    Widget_Data *wd;
 511    Elm_Segment_Item *item = (Elm_Segment_Item *) it;
 512
 513    wd = elm_widget_item_data_get(item);
 514    if (!wd) return;
 515
 516    _item_free(item);
 517    _update_list(wd);
 518 }
 519
 520 static Elm_Segment_Item*
 521 _item_new(Evas_Object *obj, Evas_Object *icon, const char *label)
 522 {
 523    Elm_Segment_Item *it;
 524    Widget_Data *wd;
 525
 526    wd = elm_widget_data_get(obj);
 527    if (!wd) return NULL;
 528
 529    it = elm_widget_item_new(obj, Elm_Segment_Item);
 530    if (!it) return NULL;
 531    elm_widget_item_data_set(it, wd);
 532    elm_widget_item_del_pre_hook_set(it, _item_del_pre_hook);
 533    elm_widget_item_text_set_hook_set(it, _item_text_set_hook);
 534    elm_widget_item_text_get_hook_set(it, _item_text_get_hook);
 535    elm_widget_item_content_set_hook_set(it, _item_content_set_hook);
 536    elm_widget_item_content_get_hook_set(it, _item_content_get_hook);
 537
 538    VIEW(it) = edje_object_add(evas_object_evas_get(obj));
 539    edje_object_scale_set(VIEW(it), elm_widget_scale_get(VIEW(it))
 540                          *_elm_config->scale);
 541    evas_object_smart_member_add(VIEW(it), obj);
 542    elm_widget_sub_object_add(obj, VIEW(it));
 543    evas_object_clip_set(VIEW(it), evas_object_clip_get(obj));
 544
 545    _elm_theme_object_set(obj, VIEW(it), "segment_control", "item",
 546                          elm_object_style_get(obj));
 547    edje_object_mirrored_set(VIEW(it),
 548                             elm_widget_mirrored_get(WIDGET(it)));
 549
 550    if (label)
 551      eina_stringshare_replace(&it->label, label);
 552    if (it->label)
 553      edje_object_signal_emit(VIEW(it), "elm,state,text,visible", "elm");
 554    else
 555      edje_object_signal_emit(VIEW(it), "elm,state,text,hidden", "elm");
 556    edje_object_message_signal_process(VIEW(it));
 557    edje_object_part_text_set(VIEW(it), "elm.text", label);
 558
 559    it->icon = icon;
 560    if (it->icon) elm_widget_sub_object_add(VIEW(it), it->icon);
 561    evas_object_event_callback_add(VIEW(it), EVAS_CALLBACK_MOUSE_DOWN,
 562                                   _mouse_down, it);
 563    evas_object_event_callback_add(VIEW(it), EVAS_CALLBACK_MOUSE_UP,
 564                                   _mouse_up, it);
 565    evas_object_show(VIEW(it));
 566
 567    return it;
 568 }
 569
 570 EAPI Evas_Object *
 571 elm_segment_control_add(Evas_Object *parent)
 572 {
 573    Evas_Object *obj;
 574    Evas *e;
 575    Widget_Data *wd;
 576
 577    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 578
 579    ELM_SET_WIDTYPE(widtype, "segment_control");
 580    elm_widget_type_set(obj, "segment_control");
 581    elm_widget_sub_object_add(parent, obj);
 582    elm_widget_data_set(obj, wd);
 583    elm_widget_del_hook_set(obj, _del_hook);
 584    elm_widget_theme_hook_set(obj, _theme_hook);
 585    elm_widget_disable_hook_set(obj, _disable_hook);
 586
 587    // TODO: Focus switch support to Elm_widget_Item not supported yet.
 588 #if 0
 589    elm_widget_focus_next_hook_set(obj, _focus_next_hook);
 590 #endif
 591
 592    wd->obj = obj;
 593
 594    wd->base = edje_object_add(e);
 595    edje_object_scale_set(wd->base, elm_widget_scale_get(wd->base)
 596                          *_elm_config->scale);
 597    _elm_theme_object_set(obj, wd->base, "segment_control", "base", "default");
 598    elm_widget_resize_object_set(obj, wd->base);
 599
 600    evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE,
 601                                   _on_move_resize, obj);
 602    evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE,
 603                                   _on_move_resize, obj);
 604
 605    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 606
 607    return obj;
 608 }
 609
 610 EAPI Elm_Object_Item *
 611 elm_segment_control_item_add(Evas_Object *obj, Evas_Object *icon,
 612                              const char *label)
 613 {
 614    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 615    Elm_Segment_Item *it;
 616    Widget_Data *wd;
 617
 618    wd = elm_widget_data_get(obj);
 619    if (!wd) return NULL;
 620
 621    it = _item_new(obj, icon, label);
 622    if (!it) return NULL;
 623
 624    wd->seg_items = eina_list_append(wd->seg_items, it);
 625    _update_list(wd);
 626
 627    return (Elm_Object_Item *) it;
 628 }
 629
 630 EAPI Elm_Object_Item *
 631 elm_segment_control_item_insert_at(Evas_Object *obj, Evas_Object *icon,
 632                                    const char *label, int idx)
 633 {
 634    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 635    Elm_Segment_Item *it, *it_rel;
 636    Widget_Data *wd;
 637
 638    wd = elm_widget_data_get(obj);
 639    if (!wd) return NULL;
 640    if (idx < 0) idx = 0;
 641
 642    it = _item_new(obj, icon, label);
 643    if (!it) return NULL;
 644
 645    it_rel = _item_find(obj, idx);
 646    if (it_rel)
 647      wd->seg_items = eina_list_prepend_relative(wd->seg_items, it, it_rel);
 648    else
 649      wd->seg_items = eina_list_append(wd->seg_items, it);
 650
 651    _update_list(wd);
 652    return (Elm_Object_Item *) it;
 653 }
 654
 655 EAPI void
 656 elm_segment_control_item_del(Elm_Object_Item *it)
 657 {
 658    elm_object_item_del(it);
 659 }
 660
 661 EAPI void
 662 elm_segment_control_item_del_at(Evas_Object *obj, int idx)
 663 {
 664    ELM_CHECK_WIDTYPE(obj, widtype);
 665    Elm_Segment_Item *it;
 666    Widget_Data *wd;
 667
 668    wd = elm_widget_data_get(obj);
 669    if (!wd) return;
 670
 671    it = _item_find(obj, idx);
 672    if (!it) return;
 673    elm_object_item_del((Elm_Object_Item *) it);
 674 }
 675
 676 EAPI const char*
 677 elm_segment_control_item_label_get(const Evas_Object *obj, int idx)
 678 {
 679    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 680    Elm_Segment_Item *it = _item_find(obj, idx);
 681    if (it) return it->label;
 682    return NULL;
 683 }
 684
 685 EAPI void
 686 elm_segment_control_item_label_set(Elm_Object_Item* it, const char* label)
 687 {
 688    _item_text_set_hook(it, NULL, label);
 689 }
 690
 691 EAPI Evas_Object *
 692 elm_segment_control_item_icon_get(const Evas_Object *obj, int idx)
 693 {
 694    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 695    Elm_Segment_Item *it = _item_find(obj, idx);
 696    if (it) return it->icon;
 697    return NULL;
 698 }
 699
 700 EAPI void
 701 elm_segment_control_item_icon_set(Elm_Object_Item *it, Evas_Object *icon)
 702 {
 703    _item_content_set_hook(it, NULL, icon);
 704 }
 705
 706 EAPI int
 707 elm_segment_control_item_count_get(const Evas_Object *obj)
 708 {
 709    ELM_CHECK_WIDTYPE(obj, widtype) 0;
 710    Widget_Data *wd;
 711
 712    wd = elm_widget_data_get(obj);
 713    if (!wd) return 0;
 714
 715    return eina_list_count(wd->seg_items);
 716 }
 717
 718 EAPI Evas_Object*
 719 elm_segment_control_item_object_get(const Elm_Object_Item *it)
 720 {
 721    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 722    return VIEW(it);
 723 }
 724
 725 EAPI Elm_Object_Item*
 726 elm_segment_control_item_selected_get(const Evas_Object *obj)
 727 {
 728    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 729    Widget_Data *wd = elm_widget_data_get(obj);
 730    if (!wd) return NULL;
 731    return (Elm_Object_Item *) wd->selected_item;
 732 }
 733
 734 EAPI void
 735 elm_segment_control_item_selected_set(Elm_Object_Item *it, Eina_Bool selected)
 736 {
 737    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 738    Widget_Data *wd;
 739    Elm_Segment_Item *item = (Elm_Segment_Item *) it;
 740
 741    wd = elm_widget_item_data_get(item);
 742    if (!wd) return;
 743
 744    if (item == wd->selected_item)
 745      {
 746         //already in selected state.
 747         if (selected) return;
 748
 749         //unselect case
 750         _segment_off(item);
 751      }
 752    else if (selected)
 753      _segment_on(item);
 754
 755    return;
 756 }
 757
 758 EAPI Elm_Object_Item *
 759 elm_segment_control_item_get(const Evas_Object *obj, int idx)
 760 {
 761    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 762    return (Elm_Object_Item *) _item_find(obj, idx);
 763 }
 764
 765 EAPI int
 766 elm_segment_control_item_index_get(const Elm_Object_Item *it)
 767 {
 768    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, -1);
 769    return ((Elm_Segment_Item *) it)->seg_index;
 770 }