src/lib/elm_dialoguegroup.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3 #include <Ecore.h>
   4
   5 /**
   6  * @defgroup DialogueGroup DialogueGroup
   7  * @ingroup Elementary
   8  *
   9  * Using dialoguegroup, you can make a dialogue group.
  10  */
  11
  12 struct _Dialogue_Item
  13 {
  14         Evas_Object *parent;
  15         Evas_Object *bg_layout;
  16         Evas_Object *content;
  17         Elm_Dialoguegroup_Item_Style style;
  18         const char *location;
  19         Eina_Bool press;
  20 //      Eina_Bool line_show;
  21 };
  22
  23
  24 typedef struct _Widget_Data Widget_Data;
  25 struct _Widget_Data
  26 {
  27         Evas_Object *parent;
  28         Evas_Object *box;
  29         Evas_Object *title_layout;
  30         const char *title;
  31         unsigned int num;
  32         Eina_List *items;
  33 };
  34
  35 static const char*widtype = NULL;
  36
  37 static void _del_hook(Evas_Object *obj);
  38 static void _theme_hook(Evas_Object *obj);
  39 static void _sizing_eval(Evas_Object *obj);
  40 static void _disable_hook(Evas_Object *obj);
  41
  42 static void _remove_all(Evas_Object *obj);
  43 static void _set_item_theme(Dialogue_Item *item, const char *location);
  44 static void _change_item_bg(Dialogue_Item *item, const char *location);
  45 static Dialogue_Item* _create_item(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style, const char *location);
  46
  47
  48 static void
  49 _del_hook(Evas_Object *obj)
  50 {
  51         Widget_Data *wd = elm_widget_data_get(obj);
  52
  53         if (!wd) return;
  54         if (wd->title) eina_stringshare_del(wd->title);
  55
  56         _remove_all(obj);
  57
  58         if (wd->box){
  59                 evas_object_del(wd->box);
  60                 wd->box = NULL;
  61         }
  62
  63         free(wd);
  64 }
  65
  66
  67 static void
  68 _theme_hook(Evas_Object *obj)
  69 {
  70         Widget_Data *wd = elm_widget_data_get(obj);
  71         Eina_List *l;
  72         Dialogue_Item *item;
  73
  74         if (!wd) return;
  75         if (wd->title) {
  76                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "title", elm_widget_style_get(obj));
  77                 edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", wd->title);
  78         }
  79         EINA_LIST_FOREACH(wd->items, l, item)
  80                 _change_item_bg( item, item->location );
  81         _sizing_eval(obj);
  82 }
  83
  84 static void
  85 _disable_hook(Evas_Object *obj)
  86 {
  87
  88 }
  89
  90 static void
  91 _sizing_eval(Evas_Object *obj)
  92 {
  93         Widget_Data *wd = elm_widget_data_get(obj);
  94         Evas_Coord minw, minh, maxw, maxh;
  95
  96         if (!wd) return;
  97         evas_object_size_hint_min_get(wd->box, &minw, &minh);
  98         evas_object_size_hint_max_get(wd->box, &maxw, &maxh);
  99         evas_object_size_hint_min_set(obj, minw, minh);
 100         evas_object_size_hint_max_set(obj, maxw, maxh);
 101 }
 102
 103 static void _remove_all(Evas_Object *obj)
 104 {
 105         Widget_Data *wd = elm_widget_data_get(obj);
 106         Dialogue_Item *item;
 107
 108         if (!wd) return;
 109
 110         wd->num = 0;
 111
 112         if (wd->items) {
 113                 EINA_LIST_FREE(wd->items, item) {
 114                         if (item->content){
 115                                 evas_object_del(item->content);
 116                                 item->content = NULL;
 117                         }
 118                         if (item->bg_layout){
 119                                 evas_object_del(item->bg_layout);
 120                                 item->bg_layout = NULL;
 121                         }
 122                         if (item->location)
 123                                 eina_stringshare_del(item->location);
 124                         free(item);
 125                 }
 126         }
 127 }
 128
 129 static void _set_item_theme(Dialogue_Item *item, const char *location)
 130 {
 131         if (!item) return;
 132         char buf[30];
 133
 134         if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT)
 135                 snprintf(buf, sizeof(buf), "bg_%s", location);
 136         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD)
 137                 snprintf(buf, sizeof(buf), "editfield_%s", location);
 138         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD_WITH_TITLE)
 139                 snprintf(buf, sizeof(buf), "editfield_with_title_%s", location);
 140         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDIT_TITLE)
 141                 snprintf(buf, sizeof(buf), "edit_title_%s", location);
 142         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_HIDDEN)
 143                 snprintf(buf, sizeof(buf), "hidden_%s", location);
 144         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DATAVIEW)
 145                 snprintf(buf, sizeof(buf), "dataview_%s", location);
 146         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_NO_BG)
 147                 snprintf(buf, sizeof(buf), "no_bg_%s", location);
 148         elm_layout_theme_set(item->bg_layout, "dialoguegroup", buf, elm_widget_style_get(item->parent));
 149 }
 150
 151 /*
 152 static void _set_line_show(Dialogue_Item *item, Dialogue_Item *after)
 153 {
 154         if(!item || !after) return;
 155
 156         if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT) {
 157                 if (after->style == ELM_DIALOGUEGROUP_ITEM_STYLE_DEFAULT) {
 158                         item->line_show = EINA_TRUE;
 159                         edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,show", "elm");
 160                 }
 161                 else if (after->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD) {
 162                         item->line_show = EINA_FALSE;
 163                         edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,hide", "elm");
 164                 }
 165         }
 166         else if (item->style == ELM_DIALOGUEGROUP_ITEM_STYLE_EDITFIELD)
 167                 item->line_show = EINA_TRUE;
 168 }
 169 */
 170
 171 static void _change_item_bg(Dialogue_Item *item, const char *location)
 172 {
 173         if (!item) return;
 174
 175         eina_stringshare_replace(&item->location, location);
 176         _set_item_theme(item, location);
 177         elm_layout_content_set(item->bg_layout, "swallow", item->content);
 178         if(item->press == EINA_TRUE)
 179                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,on", "elm");
 180         else
 181                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,off", "elm");
 182
 183 /*      if(item->line_show == EINA_FALSE)
 184                 edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,line,hide", "elm");*/
 185
 186 }
 187
 188 static Dialogue_Item* _create_item(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style, const char *location)
 189 {
 190         Widget_Data *wd = elm_widget_data_get(obj);
 191         Dialogue_Item *item;
 192
 193         if (!wd) return NULL;
 194
 195         item = ELM_NEW(Dialogue_Item);
 196         item->parent = obj;
 197         item->content = subobj;
 198         item->press = EINA_TRUE;
 199         item->style = style;
 200 //      item->line_show = EINA_TRUE;
 201         eina_stringshare_replace(&item->location, location);
 202
 203         item->bg_layout = elm_layout_add(wd->box);
 204         _set_item_theme(item, location);
 205         evas_object_size_hint_weight_set(item->bg_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 206         evas_object_size_hint_align_set(item->bg_layout, EVAS_HINT_FILL, 0.0);
 207         evas_object_show(item->bg_layout);
 208
 209         elm_layout_content_set(item->bg_layout, "swallow", item->content);
 210
 211         return item;
 212 }
 213
 214 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
 215 {
 216         _sizing_eval(data);
 217 }
 218
 219 /**
 220  * Add a new dialoguegroup to the parent.
 221  *
 222  * @param parent The parent object
 223  * @return The new object or NULL if it cannot be created
 224  *
 225  * @ingroup DialogueGroup
 226  */
 227 EAPI Evas_Object *elm_dialoguegroup_add(Evas_Object *parent)
 228 {
 229         Evas_Object *obj = NULL;
 230         Widget_Data *wd = NULL;
 231         Evas *e = NULL;
 232
 233         e = evas_object_evas_get(parent);
 234         if (e == NULL) return NULL;
 235         wd = ELM_NEW(Widget_Data);
 236         obj = elm_widget_add(e);
 237         ELM_SET_WIDTYPE(widtype, "dialoguegroup");
 238         elm_widget_type_set(obj, "dialoguegroup");
 239         elm_widget_sub_object_add(parent, obj);
 240         elm_widget_data_set(obj, wd);
 241         elm_widget_del_hook_set(obj, _del_hook);
 242         elm_widget_theme_hook_set(obj, _theme_hook);
 243
 244         wd->parent = parent;
 245         wd->num = 0;
 246
 247         wd->box = elm_box_add(obj);
 248         evas_object_event_callback_add(wd->box, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
 249         evas_object_show(wd->box);
 250         elm_widget_resize_object_set(obj, wd->box);
 251
 252         _sizing_eval(obj);
 253         return obj;
 254 }
 255
 256 /**
 257  * Append an item to the dialogue group.
 258  *
 259  * @param obj dialoguegroup object
 260  * @param subobj item
 261  * @param style sytle of the item
 262  * @return Dialogue_Item pointer, just made by this function
 263  *
 264  * @ingroup DialogueGroup
 265  */
 266 EAPI Dialogue_Item *
 267 elm_dialoguegroup_append(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 268 {
 269         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 270         Widget_Data *wd = elm_widget_data_get(obj);
 271         Dialogue_Item *item = NULL, *new_item = NULL;
 272
 273         if (!wd || !subobj) return NULL;
 274
 275         if (!wd->items)
 276                 new_item = _create_item(obj, subobj, style, "default");
 277         else {
 278                 if (wd->num == 1) {
 279                         item = eina_list_data_get(wd->items);
 280                         _change_item_bg(item, "top");
 281                 }
 282                 else {
 283                         item = eina_list_data_get( eina_list_last(wd->items) );
 284                         _change_item_bg(item, "middle");
 285                 }
 286                 new_item = _create_item(obj, subobj, style, "bottom");
 287 //              _set_line_show(item, new_item);
 288         }
 289         elm_box_pack_end(wd->box, new_item->bg_layout);
 290         wd->items = eina_list_append(wd->items, new_item);
 291         wd->num++;
 292         _sizing_eval(obj);
 293         return new_item;
 294 }
 295
 296
 297 /**
 298  * Prepend an item to the dialogue group.
 299  *
 300  * @param obj dialoguegroup object
 301  * @param subobj item
 302  * @param style sytle of the item
 303  * @return Dialogue_Item pointer, just made by this function
 304  *
 305  * @ingroup DialogueGroup
 306  */
 307 EAPI Dialogue_Item *
 308 elm_dialoguegroup_prepend(Evas_Object *obj, Evas_Object *subobj, Elm_Dialoguegroup_Item_Style style)
 309 {
 310         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 311         Widget_Data *wd = elm_widget_data_get(obj);
 312         Dialogue_Item *item = NULL, *new_item = NULL;
 313
 314         if (!wd || !subobj) return NULL;
 315
 316         if (!wd->items)
 317                 new_item = _create_item(obj, subobj, style, "default");
 318         else {
 319                 if (wd->num == 1) {
 320                         item = eina_list_data_get(wd->items);
 321                         _change_item_bg(item, "bottom");
 322                 }
 323                 else {
 324                         item = eina_list_data_get(wd->items);
 325                         _change_item_bg(item, "middle");
 326                 }
 327                 new_item = _create_item(obj, subobj, style, "top");
 328 //              _set_line_show(new_item, item);
 329         }
 330         if(wd->title_layout)
 331                 elm_box_pack_after(wd->box, new_item->bg_layout, wd->title_layout);
 332         else
 333                 elm_box_pack_start(wd->box, new_item->bg_layout);
 334         wd->items = eina_list_prepend(wd->items, new_item);
 335         wd->num++;
 336         _sizing_eval(obj);
 337         return new_item;
 338 }
 339
 340 /**
 341  * Insert an item to the dialogue group just after the specified item.
 342  *
 343  * @param obj dialoguegroup object
 344  * @param subobj item
 345  * @param after specified item existing in the dialogue group
 346  * @param style sytle of the item
 347  * @return Dialogue_Item pointer, just made by this function
 348  *
 349  * @ingroup DialogueGroup
 350  */
 351 EAPI Dialogue_Item *
 352 elm_dialoguegroup_insert_after(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *after, Elm_Dialoguegroup_Item_Style style)
 353 {
 354         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 355         Widget_Data *wd = elm_widget_data_get(obj);
 356         Dialogue_Item *after_item = NULL, *item = NULL;
 357         Eina_List *l;
 358
 359         if (!wd || !subobj || !after || !wd->items) return NULL;
 360
 361         EINA_LIST_FOREACH(wd->items, l, after_item) {
 362                 if(after == after_item) {
 363                         if( !strcmp(after_item->location, "default") ) {
 364                                 _change_item_bg(after_item, "top");
 365                                 item = _create_item(obj, subobj, style, "bottom");
 366                         }
 367                         else if( !strcmp(after_item->location, "top") || !strcmp(after_item->location, "middle") )
 368                                 item = _create_item(obj, subobj, style, "middle");
 369                         else if( !strcmp(after_item->location, "bottom") ) {
 370                                 _change_item_bg(after_item, "middle");
 371                                 item = _create_item(obj, subobj, style, "bottom");
 372                         }
 373
 374                         elm_box_pack_after(wd->box, item->bg_layout, after_item->bg_layout);
 375                         wd->items = eina_list_append_relative(wd->items, item, after_item);
 376                 //      _set_line_show(after, item);
 377                 }
 378         }
 379
 380         wd->num++;
 381         _sizing_eval(obj);
 382         return item;
 383 }
 384
 385 /**
 386  * Insert an item to the dialogue group just before the specified item.
 387  *
 388  * @param obj dialoguegroup object
 389  * @param subobj item
 390  * @param before specified item existing in the dialogue group
 391  * @param style sytle of the item
 392  * @return Dialogue_Item pointer, just made by this function
 393  *
 394  * @ingroup DialogueGroup
 395  */
 396 EAPI Dialogue_Item *
 397 elm_dialoguegroup_insert_before(Evas_Object *obj, Evas_Object *subobj, Dialogue_Item *before, Elm_Dialoguegroup_Item_Style style)
 398 {
 399         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 400         Widget_Data *wd = elm_widget_data_get(obj);
 401         Dialogue_Item *before_item = NULL, *item = NULL;
 402         Eina_List *l;
 403         Eina_List *prev;
 404
 405         if (!wd || !subobj || !before || !wd->items) return NULL;
 406
 407         EINA_LIST_FOREACH(wd->items, l, before_item) {
 408                 if(before == before_item) {
 409                         if( !strcmp(before_item->location, "default") ) {
 410                                 _change_item_bg(before_item, "bottom");
 411                                 item = _create_item(obj, subobj, style, "top");
 412                         }
 413
 414                         else if( !strcmp(before_item->location, "top") ) {
 415                                 _change_item_bg(before_item, "middle");
 416                                 item = _create_item(obj, subobj, style, "top");
 417                         }
 418
 419                         else if( !strcmp(before_item->location, "middle") || !strcmp(before_item->location, "bottom") ) {
 420                                 item = _create_item(obj, subobj, style, "middle");
 421                                 prev = eina_list_prev(l);
 422                         //      _set_line_show(prev->data, item);
 423                         }
 424                         elm_box_pack_before(wd->box, item->bg_layout, before_item->bg_layout);
 425                         wd->items = eina_list_prepend_relative(wd->items, item, before_item);
 426                 }
 427         }
 428
 429         wd->num++;
 430         _sizing_eval(obj);
 431         return item;
 432 }
 433
 434 /**
 435  * Remove an item from the dialogue group.
 436  *
 437  * @param obj dialoguegroup object
 438  * @param subobj item
 439  *
 440  * @ingroup DialogueGroup
 441  */
 442 EAPI void
 443 elm_dialoguegroup_remove(Dialogue_Item *item)
 444 {
 445         if (!item) return;
 446         ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 447         Dialogue_Item *current_item;
 448         Widget_Data *wd = elm_widget_data_get(item->parent);
 449         Eina_List *l;
 450
 451         if (!wd || !wd->items || !item) return ;
 452
 453         EINA_LIST_FOREACH(wd->items, l, current_item) {
 454                 if (current_item == item) {
 455                         if (current_item->content){
 456                                 evas_object_del(current_item->content);
 457                                 current_item->content = NULL;
 458                         }
 459                         if (current_item->bg_layout){
 460                                 evas_object_del(current_item->bg_layout);
 461                                 current_item->bg_layout = NULL;
 462                         }
 463                         elm_box_unpack(wd->box, current_item->bg_layout);
 464                         wd->items = eina_list_remove(wd->items, current_item);
 465                 }
 466         }
 467
 468         wd->num--;
 469
 470         if (wd->num == 0) return;
 471
 472         if (wd->num == 1) {
 473                 current_item = eina_list_data_get(wd->items);
 474                 _change_item_bg(current_item, "default");
 475         }
 476
 477         else {
 478                 current_item = eina_list_data_get(wd->items);
 479                 _change_item_bg(current_item, "top");
 480                 current_item = eina_list_data_get( eina_list_last(wd->items) );
 481                 _change_item_bg(current_item, "bottom");
 482         }
 483
 484         _sizing_eval(item->parent);
 485 }
 486
 487 /**
 488  * Remove all items from the dialogue group.
 489  *
 490  * @param obj dialoguegroup object
 491  *
 492  * @ingroup DialogueGroup
 493  */
 494 EAPI void
 495 elm_dialoguegroup_remove_all(Evas_Object *obj)
 496 {
 497         ELM_CHECK_WIDTYPE(obj, widtype);
 498         _remove_all(obj);
 499         _sizing_eval(obj);
 500 }
 501
 502
 503 /**
 504  * Set the title text of the  dialogue group.
 505  *
 506  * @param obj dialoguegroup object
 507  * @param title title text, if NULL title space will be disappeared
 508  *
 509  * @ingroup DialogueGroup
 510  */
 511 EAPI void
 512 elm_dialoguegroup_title_set(Evas_Object *obj, const char *title)
 513 {
 514         ELM_CHECK_WIDTYPE(obj, widtype);
 515         Widget_Data *wd = elm_widget_data_get(obj);
 516
 517         if (!wd) return ;
 518         eina_stringshare_replace(&wd->title, title);
 519         if (!title) {
 520                 wd->title = NULL;
 521                 elm_box_unpack(wd->box, wd->title_layout);
 522         }
 523         if (!wd->title_layout) {
 524                 wd->title_layout = elm_layout_add(wd->box);
 525                 elm_layout_theme_set(wd->title_layout, "dialoguegroup", "title", elm_widget_style_get(obj));
 526                 evas_object_size_hint_weight_set(wd->title_layout, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 527                 evas_object_size_hint_align_set(wd->title_layout, EVAS_HINT_FILL, 0.0);
 528                 evas_object_show(wd->title_layout);
 529                 edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", title);
 530                 elm_box_pack_start(wd->box, wd->title_layout);
 531         }
 532         edje_object_part_text_set(elm_layout_edje_get(wd->title_layout), "text", title);
 533 }
 534
 535 /**
 536  * Get the title text of the dialogue group
 537  *
 538  * @param obj The dialoguegroup object
 539  * @return The text title string in UTF-8
 540  *
 541  * @ingroup DialogueGroup
 542  */
 543 EAPI const char *
 544 elm_dialoguegroup_title_get(Evas_Object *obj)
 545 {
 546         ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 547         Widget_Data *wd = elm_widget_data_get(obj);
 548         if (!wd) return NULL;
 549         return wd->title;
 550 }
 551
 552 /**
 553  * Set whether the press effect will be shown or not
 554  *
 555  * @param obj The dialoguegroup object
 556  * @param item Dialogue_Item pointer
 557  * @param press If set as 1, press effect will be shown
 558  *
 559  * @ingroup DialogueGroup
 560  */
 561 EAPI void
 562 elm_dialoguegroup_press_effect_set(Dialogue_Item *item, Eina_Bool press)
 563 {
 564    if(!item) return;
 565    ELM_CHECK_WIDTYPE(item->parent, widtype) ;
 566
 567    item->press = press;
 568    if(press == EINA_TRUE)
 569            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,on", "elm");
 570    else
 571            edje_object_signal_emit(elm_layout_edje_get(item->bg_layout), "elm,state,press,off", "elm");
 572 }
 573
 574 /**
 575  * Get the press effect state
 576  *
 577  * @param obj The dialoguegroup object
 578  * @param item Dialogue_Item pointer
 579  * @return 1 if press effect on, 0 if press effect off
 580  *
 581  * @ingroup DialogueGroup
 582  */
 583 EAPI Eina_Bool
 584 elm_dialoguegroup_press_effect_get(Dialogue_Item *item)
 585 {
 586    if(!item) return EINA_FALSE;
 587    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 588
 589    return item->press;
 590 }
 591
 592 /**
 593  * Get the conetent object from the specified dialogue item
 594  *
 595  * @param obj The dialoguegroup object
 596  * @param item Dialogue_Item pointer
 597  * @return content object
 598  *
 599  * @ingroup DialogueGroup
 600  */
 601 EAPI Evas_Object *
 602 elm_dialoguegroup_item_content_get(Dialogue_Item *item)
 603 {
 604    if(!item) return NULL;
 605    ELM_CHECK_WIDTYPE(item->parent, widtype) EINA_FALSE;
 606
 607    return item->content;
 608 }
 609
 610 /**
 611  * Set the style of the item.
 612  *
 613  * @param item dialoguegroup item
 614  * @param style sytle of the item
 615  *
 616  * @ingroup DialogueGroup
 617  */
 618 EAPI void
 619 elm_dialoguegroup_item_style_set(Dialogue_Item *item, Elm_Dialoguegroup_Item_Style style)
 620 {
 621         if(!item) return;
 622         ELM_CHECK_WIDTYPE(item->parent, widtype);
 623         Widget_Data *wd = elm_widget_data_get(item->parent);
 624
 625         item->style = style;
 626         _change_item_bg(item, item->location);
 627
 628         if (!wd) return ;
 629 }
 630
 631 /**
 632  * Get the style of the item.
 633  *
 634  * @param item dialoguegroup item
 635  * @return dialoguegroup item style
 636  *
 637  * @ingroup DialogueGroup
 638  */
 639
 640 EAPI Elm_Dialoguegroup_Item_Style
 641 elm_dialoguegroup_item_style_get(Dialogue_Item *item)
 642 {
 643         if(!item) return ELM_DIALOGUEGROUP_ITEM_STYLE_LAST;
 644         ELM_CHECK_WIDTYPE(item->parent, widtype);
 645         Widget_Data *wd = elm_widget_data_get(item->parent);
 646
 647         if (!wd) return ELM_DIALOGUEGROUP_ITEM_STYLE_LAST;
 648
 649         return item->style;
 650 }