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) _item_free(it);
  83
  84    free(wd);
  85 }
  86
  87 static void
  88 _theme_hook(Evas_Object *obj)
  89 {
  90    Eina_List *l;
  91    Eina_Bool rtl;
  92    Elm_Segment_Item *it;
  93    Widget_Data *wd;
  94
  95    wd = elm_widget_data_get(obj);
  96    if (!wd) return;
  97
  98    _elm_widget_mirrored_reload(obj);
  99    rtl = elm_widget_mirrored_get(obj);
 100    edje_object_mirrored_set(wd->base, rtl);
 101
 102    _elm_theme_object_set(obj, wd->base, "segment_control", "base",
 103                          elm_widget_style_get(obj));
 104    edje_object_scale_set(wd->base, elm_widget_scale_get(wd->base)
 105                          *_elm_config->scale);
 106
 107    EINA_LIST_FOREACH(wd->seg_items, l, it)
 108      {
 109         _elm_theme_object_set(obj, VIEW(it), "segment_control",
 110                               "item", elm_widget_style_get(obj));
 111         edje_object_scale_set(VIEW(it), elm_widget_scale_get(VIEW(it))
 112                               *_elm_config->scale);
 113         edje_object_mirrored_set(VIEW(it), rtl);
 114      }
 115
 116    _update_list(wd);
 117 }
 118
 119 static void
 120 _disable_hook(Evas_Object *obj)
 121 {
 122    Widget_Data *wd;
 123
 124    wd = elm_widget_data_get(obj);
 125    if (!wd) return;
 126    _update_list(wd);
 127 }
 128
 129 // TODO:  Elm_widget elm_widget_focus_list_next_get  supports only Elm_widget list,
 130 // Not the Elm_Widget_item. Focus switching with in widget not supported until
 131 // it is supported in elm_widget
 132 #if 0
 133 static void *
 134 _elm_list_data_get(const Eina_List *list)
 135 {
 136    Elm_Segment_Item *it = eina_list_data_get(list);
 137
 138    if (it) return NULL;
 139
 140    edje_object_signal_emit(VIEW(it), "elm,state,segment,selected", "elm");
 141    return VIEW(it);
 142 }
 143
 144 static Eina_Bool
 145 _focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir,
 146                  Evas_Object **next)
 147 {
 148    static int count=0;
 149    Widget_Data *;
 150    const Eina_List *items;
 151    void *(*list_data_get) (const Eina_List *list);
 152
 153    wd = elm_widget_data_get(obj);
 154    if ((!wd)) return EINA_FALSE;
 155
 156    /* Focus chain */
 157    /* TODO: Change this to use other chain */
 158    if ((items = elm_widget_focus_custom_chain_get(obj)))
 159      list_data_get = eina_list_data_get;
 160    else
 161      {
 162         items = wd->seg_items;
 163         list_data_get = _elm_list_data_get;
 164         if (!items) return EINA_FALSE;
 165      }
 166    return elm_widget_focus_list_next_get(obj, items, list_data_get, dir, next);
 167 }
 168 #endif
 169
 170 static void
 171 _item_free(Elm_Segment_Item *it)
 172 {
 173    Widget_Data *wd;
 174
 175    if (!it) return;
 176
 177    wd = elm_widget_item_data_get(it);
 178    if (!wd) return;
 179
 180    if (wd->selected_item == it) wd->selected_item = NULL;
 181    if (wd->seg_items) wd->seg_items = eina_list_remove(wd->seg_items, it);
 182
 183    elm_widget_item_pre_notify_del(it);
 184
 185    if (it->icon) evas_object_del(it->icon);
 186    if (it->label) eina_stringshare_del(it->label);
 187
 188    elm_widget_item_del(it);
 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 Elm_Segment_Item*
 438 _item_new(Evas_Object *obj, Evas_Object *icon, const char *label)
 439 {
 440    Elm_Segment_Item *it;
 441    Widget_Data *wd;
 442
 443    wd = elm_widget_data_get(obj);
 444    if (!wd) return NULL;
 445
 446    it = elm_widget_item_new(obj, Elm_Segment_Item);
 447    if (!it) return NULL;
 448    elm_widget_item_data_set(it, wd);
 449
 450    VIEW(it) = edje_object_add(evas_object_evas_get(obj));
 451    edje_object_scale_set(VIEW(it), elm_widget_scale_get(VIEW(it))
 452                          *_elm_config->scale);
 453    evas_object_smart_member_add(VIEW(it), obj);
 454    elm_widget_sub_object_add(obj, VIEW(it));
 455    evas_object_clip_set(VIEW(it), evas_object_clip_get(obj));
 456
 457    _elm_theme_object_set(obj, VIEW(it), "segment_control", "item",
 458                          elm_object_style_get(obj));
 459    edje_object_mirrored_set(VIEW(it),
 460                             elm_widget_mirrored_get(WIDGET(it)));
 461
 462    if (label)
 463      eina_stringshare_replace(&it->label, label);
 464    if (it->label)
 465      edje_object_signal_emit(VIEW(it), "elm,state,text,visible", "elm");
 466    else
 467      edje_object_signal_emit(VIEW(it), "elm,state,text,hidden", "elm");
 468    edje_object_message_signal_process(VIEW(it));
 469    edje_object_part_text_set(VIEW(it), "elm.text", label);
 470
 471    it->icon = icon;
 472    if (it->icon) elm_widget_sub_object_add(VIEW(it), it->icon);
 473    evas_object_event_callback_add(VIEW(it), EVAS_CALLBACK_MOUSE_DOWN,
 474                                   _mouse_down, it);
 475    evas_object_event_callback_add(VIEW(it), EVAS_CALLBACK_MOUSE_UP,
 476                                   _mouse_up, it);
 477    evas_object_show(VIEW(it));
 478
 479    return it;
 480 }
 481
 482 EAPI Evas_Object *
 483 elm_segment_control_add(Evas_Object *parent)
 484 {
 485    Evas_Object *obj;
 486    Evas *e;
 487    Widget_Data *wd;
 488
 489    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 490
 491    ELM_SET_WIDTYPE(widtype, "segment_control");
 492    elm_widget_type_set(obj, "segment_control");
 493    elm_widget_sub_object_add(parent, obj);
 494    elm_widget_data_set(obj, wd);
 495    elm_widget_del_hook_set(obj, _del_hook);
 496    elm_widget_theme_hook_set(obj, _theme_hook);
 497    elm_widget_disable_hook_set(obj, _disable_hook);
 498
 499    // TODO: Focus switch support to Elm_widget_Item not supported yet.
 500 #if 0
 501    elm_widget_focus_next_hook_set(obj, _focus_next_hook);
 502 #endif
 503
 504    wd->obj = obj;
 505
 506    wd->base = edje_object_add(e);
 507    edje_object_scale_set(wd->base, elm_widget_scale_get(wd->base)
 508                          *_elm_config->scale);
 509    _elm_theme_object_set(obj, wd->base, "segment_control", "base", "default");
 510    elm_widget_resize_object_set(obj, wd->base);
 511
 512    evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE,
 513                                   _on_move_resize, obj);
 514    evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE,
 515                                   _on_move_resize, obj);
 516
 517    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 518
 519    return obj;
 520 }
 521
 522 EAPI Elm_Object_Item *
 523 elm_segment_control_item_add(Evas_Object *obj, Evas_Object *icon,
 524                              const char *label)
 525 {
 526    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 527    Elm_Segment_Item *it;
 528    Widget_Data *wd;
 529
 530    wd = elm_widget_data_get(obj);
 531    if (!wd) return NULL;
 532
 533    it = _item_new(obj, icon, label);
 534    if (!it) return NULL;
 535
 536    wd->seg_items = eina_list_append(wd->seg_items, it);
 537    _update_list(wd);
 538
 539    return (Elm_Object_Item *) it;
 540 }
 541
 542 EAPI Elm_Object_Item *
 543 elm_segment_control_item_insert_at(Evas_Object *obj, Evas_Object *icon,
 544                                    const char *label, int idx)
 545 {
 546    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 547    Elm_Segment_Item *it, *it_rel;
 548    Widget_Data *wd;
 549
 550    wd = elm_widget_data_get(obj);
 551    if (!wd) return NULL;
 552    if (idx < 0) idx = 0;
 553
 554    it = _item_new(obj, icon, label);
 555    if (!it) return NULL;
 556
 557    it_rel = _item_find(obj, idx);
 558    if (it_rel)
 559      wd->seg_items = eina_list_prepend_relative(wd->seg_items, it, it_rel);
 560    else
 561      wd->seg_items = eina_list_append(wd->seg_items, it);
 562
 563    _update_list(wd);
 564    return (Elm_Object_Item *) it;
 565 }
 566
 567 EAPI void
 568 elm_segment_control_item_del(Elm_Object_Item *it)
 569 {
 570    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 571    Widget_Data *wd;
 572    Elm_Segment_Item *item = (Elm_Segment_Item *) it;
 573
 574    wd = elm_widget_item_data_get(item);
 575    if (!wd) return;
 576
 577    _item_free(item);
 578    _update_list(wd);
 579 }
 580
 581 EAPI void
 582 elm_segment_control_item_del_at(Evas_Object *obj, int idx)
 583 {
 584    ELM_CHECK_WIDTYPE(obj, widtype);
 585    Elm_Segment_Item *it;
 586    Widget_Data *wd;
 587
 588    wd = elm_widget_data_get(obj);
 589    if (!wd) return;
 590
 591    it = _item_find(obj, idx);
 592    if (!it) return;
 593    _item_free(it);
 594    _update_list(wd);
 595 }
 596
 597 EAPI const char*
 598 elm_segment_control_item_label_get(const Evas_Object *obj, int idx)
 599 {
 600    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 601    Elm_Segment_Item *it;
 602
 603    it = _item_find(obj, idx);
 604    if (it) return it->label;
 605
 606    return NULL;
 607 }
 608
 609 EAPI void
 610 elm_segment_control_item_label_set(Elm_Object_Item* it, const char* label)
 611 {
 612    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 613    Widget_Data *wd;
 614    Elm_Segment_Item *item = (Elm_Segment_Item *) it;
 615
 616    wd = elm_widget_item_data_get(item);
 617    if (!wd) return;
 618
 619    eina_stringshare_replace(&item->label, label);
 620    if (item->label)
 621      edje_object_signal_emit(VIEW(item), "elm,state,text,visible", "elm");
 622    else
 623      edje_object_signal_emit(VIEW(item), "elm,state,text,hidden", "elm");
 624    edje_object_message_signal_process(VIEW(item));
 625    //label can be NULL also.
 626    edje_object_part_text_set(VIEW(item), "elm.text", item->label);
 627 }
 628
 629 EAPI Evas_Object *
 630 elm_segment_control_item_icon_get(const Evas_Object *obj, int idx)
 631 {
 632    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 633    Elm_Segment_Item *it;
 634
 635    it = _item_find(obj, idx);
 636    if (it) return it->icon;
 637
 638    return NULL;
 639 }
 640
 641 EAPI void
 642 elm_segment_control_item_icon_set(Elm_Object_Item *it, Evas_Object *icon)
 643 {
 644    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 645    Elm_Segment_Item *item = (Elm_Segment_Item *) it;
 646
 647    //Remove the existing icon
 648    if (item->icon)
 649      {
 650         edje_object_part_unswallow(VIEW(item), item->icon);
 651         evas_object_del(item->icon);
 652         item->icon = NULL;
 653      }
 654
 655    item->icon = icon;
 656    if (item->icon)
 657      {
 658         elm_widget_sub_object_add(VIEW(item), item->icon);
 659         edje_object_part_swallow(VIEW(item), "elm.swallow.icon", item->icon);
 660         edje_object_signal_emit(VIEW(item), "elm,state,icon,visible", "elm");
 661      }
 662    else
 663      edje_object_signal_emit(VIEW(item), "elm,state,icon,hidden", "elm");
 664 }
 665
 666 EAPI int
 667 elm_segment_control_item_count_get(const Evas_Object *obj)
 668 {
 669    ELM_CHECK_WIDTYPE(obj, widtype) 0;
 670    Widget_Data *wd;
 671
 672    wd = elm_widget_data_get(obj);
 673    if (!wd) return 0;
 674
 675    return eina_list_count(wd->seg_items);
 676 }
 677
 678 EAPI Evas_Object*
 679 elm_segment_control_item_object_get(const Elm_Object_Item *it)
 680 {
 681    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 682    return VIEW(it);
 683 }
 684
 685 EAPI Elm_Object_Item*
 686 elm_segment_control_item_selected_get(const Evas_Object *obj)
 687 {
 688    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 689    Widget_Data *wd = elm_widget_data_get(obj);
 690    if (!wd) return NULL;
 691    return (Elm_Object_Item *) wd->selected_item;
 692 }
 693
 694 EAPI void
 695 elm_segment_control_item_selected_set(Elm_Object_Item *it, Eina_Bool selected)
 696 {
 697    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 698    Widget_Data *wd;
 699    Elm_Segment_Item *item = (Elm_Segment_Item *) it;
 700
 701    wd = elm_widget_item_data_get(item);
 702    if (!wd) return;
 703
 704    if (item == wd->selected_item)
 705      {
 706         //already in selected state.
 707         if (selected) return;
 708
 709         //unselect case
 710         _segment_off(item);
 711      }
 712    else if (selected)
 713      _segment_on(item);
 714
 715    return;
 716 }
 717
 718 EAPI Elm_Object_Item *
 719 elm_segment_control_item_get(const Evas_Object *obj, int idx)
 720 {
 721    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 722    return (Elm_Object_Item *) _item_find(obj, idx);
 723 }
 724
 725 EAPI int
 726 elm_segment_control_item_index_get(const Elm_Object_Item *it)
 727 {
 728    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, -1);
 729    return ((Elm_Segment_Item *) it)->seg_index;
 730 }