src/lib/elm_menu.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 typedef struct _Widget_Data Widget_Data;
   5 typedef struct _Elm_Menu_Item Elm_Menu_Item;
   6
   7 struct _Elm_Menu_Item
   8 {
   9    ELM_WIDGET_ITEM;
  10    Elm_Menu_Item *parent;
  11    Evas_Object *content;
  12    const char *icon_str;
  13    const char *label;
  14    Evas_Smart_Cb func;
  15    unsigned int idx;
  16
  17    struct {
  18       Evas_Object *hv, *bx, *location;
  19       Eina_List *items;
  20       Eina_Bool open : 1;
  21    } submenu;
  22
  23    Eina_Bool separator : 1;
  24    Eina_Bool selected : 1;
  25    Eina_Bool object_item : 1;
  26 };
  27
  28 struct _Widget_Data
  29 {
  30    Evas_Object *hv, *bx, *location, *parent, *obj;
  31    Eina_List *items;
  32    Evas_Coord xloc, yloc;
  33 };
  34
  35 static const char *widtype = NULL;
  36 static void _del_hook(Evas_Object *obj);
  37 static void _theme_hook(Evas_Object *obj);
  38 static void _item_disable_hook(Elm_Object_Item *it);
  39 static void _sizing_eval(Evas_Object *obj);
  40 static void _submenu_sizing_eval(Elm_Menu_Item *parent);
  41 static void _item_sizing_eval(Elm_Menu_Item *item);
  42 static void _submenu_hide(Elm_Menu_Item *item);
  43 static void _submenu_open(void *data, Evas_Object *obj, const char *emission, const char *source);
  44 static void _parent_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
  45 static void _parent_del(void *data, Evas *e, Evas_Object *obj, void *event_info);
  46 static void _menu_hide(void *data, Evas_Object *obj, void *event_info);
  47
  48 static const char SIG_CLICKED[] = "clicked";
  49
  50 static const Evas_Smart_Cb_Description _signals[] = {
  51    {SIG_CLICKED, ""},
  52    {NULL, NULL}
  53 };
  54
  55
  56 static void
  57 _del_item(Elm_Menu_Item *item)
  58 {
  59    Elm_Menu_Item *child;
  60
  61    EINA_LIST_FREE(item->submenu.items, child)
  62      _del_item(child);
  63
  64    if (item->label) eina_stringshare_del(item->label);
  65    if (item->submenu.hv) evas_object_del(item->submenu.hv);
  66    if (item->submenu.location) evas_object_del(item->submenu.location);
  67    if (item->icon_str) eina_stringshare_del(item->icon_str);
  68    elm_widget_item_free(item);
  69 }
  70
  71 static void
  72 _del_pre_hook(Evas_Object *obj)
  73 {
  74    Elm_Menu_Item *item;
  75    Widget_Data *wd = elm_widget_data_get(obj);
  76    if (!wd) return;
  77
  78    evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, obj);
  79    evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
  80
  81    EINA_LIST_FREE(wd->items, item)
  82      _del_item(item);
  83
  84    if (wd->hv) evas_object_del(wd->hv);
  85    if (wd->location) evas_object_del(wd->location);
  86 }
  87
  88 static void
  89 _del_hook(Evas_Object *obj)
  90 {
  91    Widget_Data *wd = elm_widget_data_get(obj);
  92    free(wd);
  93 }
  94
  95 static void
  96 _theme_hook(Evas_Object *obj)
  97 {
  98    Eina_List *l, *_l, *_ll, *ll = NULL;
  99    Elm_Menu_Item *item;
 100    Widget_Data *wd = elm_widget_data_get(obj);
 101    if (!wd) return;
 102    _elm_widget_mirrored_reload(obj);
 103    ll = eina_list_append(ll, wd->items);
 104    EINA_LIST_FOREACH(ll, _ll, l)
 105      {
 106         EINA_LIST_FOREACH(l, _l, item)
 107           {
 108              edje_object_mirrored_set(VIEW(item), elm_widget_mirrored_get(obj));
 109              ll = eina_list_append(ll, item->submenu.items);
 110              if (item->separator)
 111                _elm_theme_object_set(obj, VIEW(item), "menu", "separator",
 112                                      elm_widget_style_get(obj));
 113              else if (item->submenu.bx)
 114                {
 115                   _elm_theme_object_set
 116                      (obj, VIEW(item), "menu", "item_with_submenu",
 117                       elm_widget_style_get(obj));
 118                   elm_object_item_text_set((Elm_Object_Item *) item,
 119                                            item->label);
 120                   elm_menu_item_object_icon_name_set((Elm_Object_Item *) item,
 121                                                      item->icon_str);
 122                }
 123              else
 124                {
 125                   _elm_theme_object_set(obj, VIEW(item), "menu", "item",
 126                                         elm_widget_style_get(obj));
 127                   elm_object_item_text_set((Elm_Object_Item *) item,
 128                                            item->label);
 129                   elm_menu_item_object_icon_name_set((Elm_Object_Item *) item,
 130                                                      item->icon_str);
 131                }
 132              _item_disable_hook((Elm_Object_Item *) item);
 133              edje_object_scale_set(VIEW(item), elm_widget_scale_get(obj) *
 134                                    _elm_config->scale);
 135           }
 136      }
 137    _sizing_eval(obj);
 138 }
 139
 140 static void
 141 _item_text_set_hook(Elm_Object_Item *it,
 142                     const char *part,
 143                     const char *label)
 144 {
 145    Elm_Menu_Item *item;
 146
 147    if (part && strcmp(part, "default")) return;
 148
 149    item = (Elm_Menu_Item *) it;
 150
 151    eina_stringshare_replace(&item->label, label);
 152
 153    if (label)
 154      edje_object_signal_emit(VIEW(item), "elm,state,text,visible", "elm");
 155    else
 156      edje_object_signal_emit(VIEW(item), "elm,state,text,hidden", "elm");
 157
 158    edje_object_message_signal_process(VIEW(item));
 159    edje_object_part_text_set(VIEW(item), "elm.text", label);
 160    _sizing_eval(WIDGET(item));
 161 }
 162
 163 static const char *
 164 _item_text_get_hook(const Elm_Object_Item *it, const char *part)
 165 {
 166    if (part && strcmp(part, "default")) return NULL;
 167    return ((Elm_Menu_Item *) it)->label;
 168 }
 169
 170 static void
 171 _item_content_set_hook(Elm_Object_Item *it,
 172                        const char *part,
 173                        Evas_Object *content)
 174 {
 175    Elm_Menu_Item *item;
 176
 177    if (part && strcmp(part, "default")) return;
 178
 179    item = (Elm_Menu_Item *) it;
 180
 181    if (item->content)
 182      {
 183         elm_widget_sub_object_del(WIDGET(item), item->content);
 184         evas_object_del(item->content);
 185      }
 186
 187    item->content = content;
 188
 189    elm_widget_sub_object_add(WIDGET(item), item->content);
 190    edje_object_part_swallow(VIEW(item), "elm.swallow.content", item->content);
 191    _sizing_eval(WIDGET(item));
 192 }
 193
 194 static Evas_Object *
 195 _item_content_get_hook(const Elm_Object_Item *it, const char *part)
 196 {
 197    if (part && strcmp(part, "default")) return NULL;
 198    return ((Elm_Menu_Item *) it)->content;
 199 }
 200
 201 static void
 202 _item_disable_hook(Elm_Object_Item *it)
 203 {
 204    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 205
 206    if (elm_widget_item_disabled_get(item))
 207      {
 208         edje_object_signal_emit(VIEW(item), "elm,state,disabled", "elm");
 209         if (item->submenu.open) _submenu_hide(item);
 210      }
 211    else
 212      edje_object_signal_emit(VIEW(item), "elm,state,enabled", "elm");
 213
 214    edje_object_message_signal_process(VIEW(item));
 215 }
 216
 217 static void
 218 _sizing_eval(Evas_Object *obj)
 219 {
 220    Eina_List *l;
 221    Elm_Menu_Item *item;
 222    Evas_Coord x_p, y_p, w_p, h_p, x2, y2, w2, h2, bx, by, bw, bh;
 223    Widget_Data *wd = elm_widget_data_get(obj);
 224    if ((!wd) || (!wd->parent)) return;
 225    EINA_LIST_FOREACH(wd->items,l,item) _item_sizing_eval(item);
 226    evas_object_geometry_get(wd->location, &x_p, &y_p, &w_p, &h_p);
 227    evas_object_geometry_get(wd->parent, &x2, &y2, &w2, &h2);
 228    evas_object_geometry_get(wd->bx, &bx, &by, &bw, &bh);
 229
 230    x_p = wd->xloc;
 231    y_p = wd->yloc;
 232
 233    if (elm_widget_mirrored_get(obj))
 234      x_p -= w_p;
 235
 236    if (x_p+bw > x2+w2) x_p -= x_p+bw - (x2+w2);
 237    if (x_p < x2) x_p += x2 - x_p;
 238
 239    if (y_p+h_p+bh > y2+h2) y_p -= y_p+h_p+bh - (y2+h2);
 240    if (y_p < y2) y_p += y2 - y_p;
 241
 242
 243    evas_object_move(wd->location, x_p, y_p);
 244    evas_object_resize(wd->location, bw, h_p);
 245    evas_object_size_hint_min_set(wd->location, bw, h_p);
 246    evas_object_size_hint_max_set(wd->location, bw, h_p);
 247    elm_hover_target_set(wd->hv, wd->location);
 248
 249    EINA_LIST_FOREACH(wd->items,l,item)
 250      {
 251         if (item->submenu.open) _submenu_sizing_eval(item);
 252      }
 253 }
 254
 255 static void
 256 _submenu_sizing_eval(Elm_Menu_Item *parent)
 257 {
 258    Eina_List *l;
 259    Elm_Menu_Item *item;
 260    Evas_Coord x_p, y_p, w_p, h_p, x2, y2, w2, h2, bx, by, bw, bh, px, py, pw, ph;
 261    Widget_Data *wd = elm_widget_data_get(WIDGET(parent));
 262    if (!wd) return;
 263    EINA_LIST_FOREACH(parent->submenu.items, l, item) _item_sizing_eval(item);
 264    evas_object_geometry_get(parent->submenu.location, &x_p, &y_p, &w_p, &h_p);
 265    evas_object_geometry_get(VIEW(parent), &x2, &y2, &w2, &h2);
 266    evas_object_geometry_get(parent->submenu.bx, &bx, &by, &bw, &bh);
 267    evas_object_geometry_get(wd->parent, &px, &py, &pw, &ph);
 268
 269    x_p = x2+w2;
 270    y_p = y2;
 271
 272    /* If it overflows on the right, adjust the x */
 273    if ((x_p + bw > px + pw) || elm_widget_mirrored_get(WIDGET(parent)))
 274      x_p = x2-bw;
 275
 276    /* If it overflows on the left, adjust the x - usually only happens
 277     * with an RTL interface */
 278    if (x_p < px)
 279      x_p = x2 + w2;
 280
 281    /* If after all the adjustments it still overflows, fix it */
 282    if (x_p + bw > px + pw)
 283      x_p = x2-bw;
 284
 285    if (y_p+bh > py+ph)
 286      y_p -= y_p+bh - (py+ph);
 287    if (y_p < py)
 288      y_p += y_p - y_p;
 289
 290    evas_object_move(parent->submenu.location, x_p, y_p);
 291    evas_object_resize(parent->submenu.location, bw, h_p);
 292    evas_object_size_hint_min_set(parent->submenu.location, bw, h_p);
 293    evas_object_size_hint_max_set(parent->submenu.location, bw, h_p);
 294    elm_hover_target_set(parent->submenu.hv, parent->submenu.location);
 295
 296    EINA_LIST_FOREACH(parent->submenu.items, l, item)
 297      {
 298         if (item->submenu.open)
 299           _submenu_sizing_eval(item);
 300      }
 301 }
 302
 303 static void
 304 _item_sizing_eval(Elm_Menu_Item *item)
 305 {
 306    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
 307    if (!item->separator)
 308      elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 309    edje_object_size_min_restricted_calc(VIEW(item), &minw, &minh, minw, minh);
 310    if (!item->separator)
 311      elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 312    evas_object_size_hint_min_set(VIEW(item), minw, minh);
 313    evas_object_size_hint_max_set(VIEW(item), maxw, maxh);
 314 }
 315
 316 static void
 317 _menu_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 318 {
 319    _sizing_eval(data);
 320 }
 321
 322 static void
 323 _parent_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 324 {
 325    _sizing_eval(data);
 326 }
 327
 328 static void
 329 _parent_del(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 330 {
 331    Widget_Data *wd = data;
 332    evas_object_event_callback_del_full(obj, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 333    wd->parent = NULL;
 334 }
 335
 336 static void
 337 _item_move_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 338 {
 339    Elm_Menu_Item *item = data;
 340    if (item->submenu.open) _submenu_sizing_eval(item);
 341 }
 342
 343 static void
 344 _hover_clicked_cb(void *data, Evas_Object *obj, void *event_info)
 345 {
 346    _menu_hide(data, obj, event_info);
 347    evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
 348 }
 349
 350 static void
 351 _menu_hide(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 352 {
 353    Eina_List *l;
 354    Elm_Menu_Item *item2;
 355    Widget_Data *wd = elm_widget_data_get(data);
 356    if (!wd) return;
 357    evas_object_hide(wd->hv);
 358    evas_object_hide(data);
 359
 360    EINA_LIST_FOREACH(wd->items, l, item2)
 361      {
 362         if (item2->submenu.open) _submenu_hide(item2);
 363      }
 364 }
 365
 366 static void
 367 _submenu_hide(Elm_Menu_Item *item)
 368 {
 369    Eina_List *l;
 370    Elm_Menu_Item *item2;
 371    evas_object_hide(item->submenu.hv);
 372    item->submenu.open = EINA_FALSE;
 373    EINA_LIST_FOREACH(item->submenu.items, l, item2)
 374      {
 375         if (item2->submenu.open) _submenu_hide(item2);
 376      }
 377 }
 378
 379 static void
 380 _menu_item_select(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 381 {
 382    Elm_Menu_Item *item = data;
 383    if (item->submenu.items)
 384      {
 385         if (!item->submenu.open) _submenu_open(item, NULL, NULL, NULL);
 386         else _submenu_hide(item);
 387      }
 388    else
 389      _menu_hide(WIDGET(item), NULL, NULL);
 390
 391    if (item->func) item->func((void *)(item->base.data), WIDGET(item), item);
 392 }
 393
 394 static void
 395 _menu_item_activate(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 396 {
 397    Eina_List *l;
 398    Elm_Menu_Item *item2;
 399    Elm_Menu_Item *item = data;
 400    item->selected = 1;
 401    if (item->parent)
 402      {
 403         EINA_LIST_FOREACH(item->parent->submenu.items, l, item2)
 404           {
 405              if (item2 != item)
 406                elm_menu_item_selected_set((Elm_Object_Item *) item2, 0);
 407           }
 408      }
 409    else
 410      {
 411         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 412         EINA_LIST_FOREACH(wd->items, l, item2)
 413           {
 414              if (item2 != item)
 415                elm_menu_item_selected_set((Elm_Object_Item *) item2, 0);
 416           }
 417      }
 418 }
 419
 420 static void
 421 _menu_item_inactivate(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 422 {
 423    Elm_Menu_Item *item = data;
 424    item->selected = 0;
 425    if (item->submenu.open) _submenu_hide(item);
 426 }
 427
 428 static void
 429 _submenu_open(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 430 {
 431    Elm_Menu_Item *item = data;
 432    item->submenu.open = EINA_TRUE;
 433    evas_object_show(item->submenu.hv);
 434    _sizing_eval(WIDGET(item));
 435 }
 436
 437 static void
 438 _show(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 439 {
 440    Widget_Data *wd = elm_widget_data_get(data);
 441    if (!wd) return;
 442    evas_object_show(wd->hv);
 443 }
 444
 445 static void
 446 _item_obj_create(Elm_Menu_Item *item)
 447 {
 448    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 449    if (!wd) return;
 450    VIEW(item) = edje_object_add(evas_object_evas_get(wd->bx));
 451    edje_object_mirrored_set(VIEW(item), elm_widget_mirrored_get(WIDGET(item)));
 452    evas_object_size_hint_weight_set(VIEW(item), EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 453    evas_object_size_hint_fill_set(VIEW(item), EVAS_HINT_FILL, EVAS_HINT_FILL);
 454    _elm_theme_object_set(WIDGET(item), VIEW(item), "menu", "item",  elm_widget_style_get(WIDGET(item)));
 455    edje_object_signal_callback_add(VIEW(item), "elm,action,click", "",
 456                                    _menu_item_select, item);
 457    edje_object_signal_callback_add(VIEW(item), "elm,action,activate", "",
 458                                    _menu_item_activate, item);
 459    edje_object_signal_callback_add(VIEW(item), "elm,action,inactivate", "",
 460                                    _menu_item_inactivate, item);
 461    evas_object_show(VIEW(item));
 462 }
 463
 464 static void
 465 _item_separator_obj_create(Elm_Menu_Item *item)
 466 {
 467    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 468    if (!wd) return;
 469    VIEW(item) = edje_object_add(evas_object_evas_get(wd->bx));
 470    evas_object_size_hint_weight_set(VIEW(item), EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 471    evas_object_size_hint_fill_set(VIEW(item), EVAS_HINT_FILL, EVAS_HINT_FILL);
 472    _elm_theme_object_set(WIDGET(item), VIEW(item), "menu", "separator",  elm_widget_style_get(WIDGET(item)));
 473    edje_object_signal_callback_add(VIEW(item), "elm,action,activate", "",
 474                                    _menu_item_activate, item);
 475    evas_object_show(VIEW(item));
 476 }
 477
 478 static void
 479 _item_submenu_obj_create(Elm_Menu_Item *item)
 480 {
 481    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 482    if (!wd) return;
 483    item->submenu.location = elm_icon_add(wd->bx);
 484    item->submenu.hv = elm_hover_add(wd->bx);
 485    elm_widget_mirrored_set(item->submenu.hv, EINA_FALSE);
 486    elm_hover_target_set(item->submenu.hv, item->submenu.location);
 487    elm_hover_parent_set(item->submenu.hv, wd->parent);
 488    elm_object_style_set(item->submenu.hv, "submenu");
 489
 490    item->submenu.bx = elm_box_add(wd->bx);
 491    elm_widget_mirrored_set(item->submenu.bx, EINA_FALSE);
 492    evas_object_size_hint_weight_set(item->submenu.bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 493    evas_object_show(item->submenu.bx);
 494    elm_object_part_content_set(item->submenu.hv, elm_hover_best_content_location_get(item->submenu.hv, ELM_HOVER_AXIS_VERTICAL), item->submenu.bx);
 495
 496    edje_object_mirrored_set(VIEW(item), elm_widget_mirrored_get(WIDGET(item)));
 497    _elm_theme_object_set(WIDGET(item), VIEW(item), "menu", "item_with_submenu",  elm_widget_style_get(WIDGET(item)));
 498    elm_object_item_text_set((Elm_Object_Item *) item,
 499                             item->label);
 500    if (item->icon_str)
 501      elm_menu_item_object_icon_name_set((Elm_Object_Item *) item,
 502                                         item->icon_str);
 503    edje_object_signal_callback_add(VIEW(item), "elm,action,open", "",
 504                                    _submenu_open, item);
 505    evas_object_event_callback_add(VIEW(item), EVAS_CALLBACK_MOVE, _item_move_resize, item);
 506    evas_object_event_callback_add(VIEW(item), EVAS_CALLBACK_RESIZE, _item_move_resize, item);
 507
 508    evas_object_event_callback_add(item->submenu.bx, EVAS_CALLBACK_RESIZE, _menu_resize, WIDGET(item));
 509 }
 510
 511 EAPI Evas_Object *
 512 elm_menu_add(Evas_Object *parent)
 513 {
 514    Evas_Object *obj;
 515    Evas *e;
 516    Widget_Data *wd;
 517
 518    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 519
 520    ELM_SET_WIDTYPE(widtype, "menu");
 521    elm_widget_type_set(obj, "menu");
 522    elm_widget_sub_object_add(parent, obj);
 523    elm_widget_data_set(obj, wd);
 524    elm_widget_del_pre_hook_set(obj, _del_pre_hook);
 525    elm_widget_del_hook_set(obj, _del_hook);
 526    elm_widget_theme_hook_set(obj, _theme_hook);
 527    elm_widget_can_focus_set(obj, EINA_FALSE);
 528
 529    wd->location = elm_icon_add(obj);
 530    wd->parent = parent;
 531    wd->obj = obj;
 532
 533    wd->hv = elm_hover_add(obj);
 534    elm_widget_mirrored_set(wd->hv, EINA_FALSE);
 535    elm_hover_parent_set(wd->hv, parent);
 536    elm_hover_target_set(wd->hv, wd->location);
 537    elm_object_style_set(wd->hv, "menu");
 538    evas_object_smart_callback_add(wd->hv, "clicked", _hover_clicked_cb, obj);
 539
 540    wd->bx = elm_box_add(obj);
 541    elm_widget_mirrored_set(wd->bx, EINA_FALSE);
 542    evas_object_size_hint_weight_set(wd->bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 543    evas_object_show(wd->bx);
 544    elm_object_part_content_set(wd->hv, elm_hover_best_content_location_get(wd->hv, ELM_HOVER_AXIS_VERTICAL), wd->bx);
 545
 546    evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 547    evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
 548
 549    evas_object_event_callback_add(obj, EVAS_CALLBACK_SHOW, _show, obj);
 550
 551    evas_object_event_callback_add(wd->bx, EVAS_CALLBACK_RESIZE, _menu_resize, obj);
 552
 553    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 554
 555    _sizing_eval(obj);
 556    return obj;
 557 }
 558
 559 EAPI void
 560 elm_menu_parent_set(Evas_Object *obj, Evas_Object *parent)
 561 {
 562    Eina_List *l, *_l, *_ll, *ll = NULL;
 563    Elm_Menu_Item *item;
 564    ELM_CHECK_WIDTYPE(obj, widtype);
 565    Widget_Data *wd = elm_widget_data_get(obj);
 566    if (!wd) return;
 567
 568    if (wd->parent == parent) return;
 569    if (wd->parent)
 570      {
 571         evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 572         evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
 573      }
 574    wd->parent = parent;
 575    if (wd->parent)
 576      {
 577         evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 578         evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
 579      }
 580    elm_hover_parent_set(wd->hv, parent);
 581
 582    ll = eina_list_append(ll, wd->items);
 583    EINA_LIST_FOREACH(ll, _ll, l)
 584      {
 585         EINA_LIST_FOREACH(l, _l, item)
 586           {
 587              if (item->submenu.hv)
 588                {
 589                   elm_hover_parent_set(item->submenu.hv, parent);
 590                   ll = eina_list_append(ll, item->submenu.items);
 591                }
 592           }
 593      }
 594    _sizing_eval(obj);
 595 }
 596
 597 EAPI Evas_Object *
 598 elm_menu_parent_get(const Evas_Object *obj)
 599 {
 600    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 601    Widget_Data *wd = elm_widget_data_get(obj);
 602    if (!wd) return NULL;
 603    return wd->parent;
 604 }
 605
 606 EAPI void
 607 elm_menu_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
 608 {
 609    ELM_CHECK_WIDTYPE(obj, widtype);
 610    Widget_Data *wd = elm_widget_data_get(obj);
 611    if (!wd) return;
 612    wd->xloc = x;
 613    wd->yloc = y;
 614    _sizing_eval(obj);
 615 }
 616
 617 EAPI void
 618 elm_menu_close(Evas_Object *obj)
 619 {
 620    ELM_CHECK_WIDTYPE(obj, widtype);
 621    Widget_Data *wd = elm_widget_data_get(obj);
 622    _menu_hide(obj, wd->hv, NULL);
 623 }
 624
 625 EAPI Evas_Object *
 626 elm_menu_item_object_get(const Elm_Object_Item *it)
 627 {
 628    return VIEW(((Elm_Menu_Item *) it));
 629 }
 630
 631 static void
 632 _item_clone(Evas_Object *obj, Elm_Menu_Item *parent, Elm_Menu_Item *item)
 633 {
 634    Elm_Object_Item *new_item;
 635    Elm_Menu_Item *subitem;
 636    Eina_List *iter;
 637
 638    if (item->separator)
 639      new_item = elm_menu_item_separator_add(obj, (Elm_Object_Item *) parent);
 640    else
 641      new_item = elm_menu_item_add(obj,
 642                                   (Elm_Object_Item *) parent,
 643                                   item->icon_str,
 644                                   item->label,
 645                                   item->func,
 646                                   item->base.data);
 647    elm_object_item_disabled_set(new_item,
 648                                 elm_widget_item_disabled_get(item));
 649
 650    EINA_LIST_FOREACH(item->submenu.items, iter, subitem)
 651      _item_clone(obj, (Elm_Menu_Item *) new_item, subitem);
 652 }
 653
 654 void
 655 elm_menu_clone(Evas_Object *from_menu, Evas_Object *to_menu, Elm_Object_Item *parent)
 656 {
 657    ELM_CHECK_WIDTYPE(from_menu, widtype);
 658    ELM_CHECK_WIDTYPE(to_menu, widtype);
 659    Widget_Data *from_wd = elm_widget_data_get(from_menu);
 660    Eina_List *iter;
 661    Elm_Menu_Item *item;
 662
 663    if (!from_wd) return;
 664    EINA_LIST_FOREACH(from_wd->items, iter, item)
 665      _item_clone(to_menu, (Elm_Menu_Item *) parent, item);
 666 }
 667
 668 static void
 669 _elm_menu_item_add_helper(Evas_Object *obj, Elm_Menu_Item *parent, Elm_Menu_Item *subitem, Widget_Data *wd)
 670 {
 671    if (parent)
 672      {
 673         if (!parent->submenu.bx) _item_submenu_obj_create(parent);
 674         elm_box_pack_end(parent->submenu.bx, VIEW(subitem));
 675         parent->submenu.items = eina_list_append(parent->submenu.items, subitem);
 676         subitem->idx = eina_list_count(parent->submenu.items) - 1;
 677      }
 678    else
 679      {
 680         elm_box_pack_end(wd->bx, VIEW(subitem));
 681         wd->items = eina_list_append(wd->items, subitem);
 682         subitem->idx = eina_list_count(wd->items) - 1;
 683      }
 684
 685    _sizing_eval(obj);
 686 }
 687
 688 static Eina_Bool
 689 _item_del_pre_hook(Elm_Object_Item *it)
 690 {
 691    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 692    Elm_Object_Item *_item;
 693
 694    EINA_LIST_FREE(item->submenu.items, _item) elm_object_item_del(_item);
 695    if (item->label) eina_stringshare_del(item->label);
 696    if (item->content) evas_object_del(item->content);
 697    if (item->submenu.hv) evas_object_del(item->submenu.hv);
 698    if (item->submenu.location) evas_object_del(item->submenu.location);
 699
 700    if (item->parent)
 701      item->parent->submenu.items = eina_list_remove(item->parent->submenu.items, item);
 702    else
 703      {
 704         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 705         wd->items = eina_list_remove(wd->items, item);
 706      }
 707
 708    return EINA_TRUE;
 709 }
 710
 711 EAPI Elm_Object_Item *
 712 elm_menu_item_add(Evas_Object *obj, Elm_Object_Item *parent, const char *icon, const char *label, Evas_Smart_Cb func, const void *data)
 713 {
 714    Elm_Menu_Item *subitem;
 715    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 716    Widget_Data *wd = elm_widget_data_get(obj);
 717    Evas_Object *icon_obj;
 718
 719    if (!wd) return NULL;
 720    icon_obj = elm_icon_add(obj);
 721    if (!icon_obj) return NULL;
 722    subitem = elm_widget_item_new(obj, Elm_Menu_Item);
 723    if (!subitem)
 724      {
 725         evas_object_del(icon_obj);
 726         return NULL;
 727      }
 728
 729    elm_widget_item_del_pre_hook_set(subitem, _item_del_pre_hook);
 730    elm_widget_item_disable_hook_set(subitem, _item_disable_hook);
 731    elm_widget_item_text_set_hook_set(subitem, _item_text_set_hook);
 732    elm_widget_item_text_get_hook_set(subitem, _item_text_get_hook);
 733    elm_widget_item_content_set_hook_set(subitem, _item_content_set_hook);
 734    elm_widget_item_content_get_hook_set(subitem, _item_content_get_hook);
 735
 736    subitem->base.data = data;
 737    subitem->func = func;
 738    subitem->parent = (Elm_Menu_Item *) parent;
 739    subitem->content = icon_obj;
 740
 741    _item_obj_create(subitem);
 742    elm_object_item_text_set((Elm_Object_Item *) subitem, label);
 743
 744    elm_widget_sub_object_add(WIDGET(subitem), subitem->content);
 745    edje_object_part_swallow(VIEW(subitem), "elm.swallow.content", subitem->content);
 746    if (icon)
 747      elm_menu_item_object_icon_name_set((Elm_Object_Item *) subitem, icon);
 748
 749    _elm_menu_item_add_helper(obj, (Elm_Menu_Item *) parent, subitem, wd);
 750
 751    return (Elm_Object_Item *) subitem;
 752 }
 753
 754 EAPI Elm_Object_Item *
 755 elm_menu_item_add_object(Evas_Object *obj, Elm_Object_Item *parent, Evas_Object *subobj, Evas_Smart_Cb func, const void *data)
 756 {
 757    Elm_Menu_Item *subitem;
 758    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 759    Widget_Data *wd = elm_widget_data_get(obj);
 760
 761    if (!wd) return NULL;
 762    subitem = elm_widget_item_new(obj, Elm_Menu_Item);
 763    if (!subitem) return NULL;
 764
 765    elm_widget_item_del_pre_hook_set(subitem, _item_del_pre_hook);
 766    elm_widget_item_disable_hook_set(subitem, _item_disable_hook);
 767    elm_widget_item_text_set_hook_set(subitem, _item_text_set_hook);
 768    elm_widget_item_text_get_hook_set(subitem, _item_text_get_hook);
 769    elm_widget_item_content_set_hook_set(subitem, _item_content_set_hook);
 770    elm_widget_item_content_get_hook_set(subitem, _item_content_get_hook);
 771
 772    subitem->base.data = data;
 773    subitem->func = func;
 774    subitem->parent = (Elm_Menu_Item *) parent;
 775    subitem->object_item = EINA_TRUE;
 776    subitem->content = subobj;
 777
 778    _item_obj_create(subitem);
 779
 780    elm_widget_sub_object_add(WIDGET(subitem), subitem->content);
 781    edje_object_part_swallow(VIEW(subitem), "elm.swallow.content", subobj);
 782    _sizing_eval(WIDGET(subitem));
 783
 784    _elm_menu_item_add_helper(obj, (Elm_Menu_Item *) parent, subitem, wd);
 785
 786    return (Elm_Object_Item *) subitem;
 787 }
 788
 789 EAPI unsigned int
 790 elm_menu_item_index_get(const Elm_Object_Item *it)
 791 {
 792    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, 0);
 793    return ((Elm_Menu_Item *) it)->idx;
 794 }
 795
 796 EAPI void
 797 elm_menu_item_label_set(Elm_Object_Item *it, const char *label)
 798 {
 799    _item_text_set_hook(it, NULL, label);
 800 }
 801
 802 EAPI const char *
 803 elm_menu_item_label_get(const Elm_Object_Item *it)
 804 {
 805    return _item_text_get_hook(it, NULL);
 806 }
 807
 808 EAPI void
 809 elm_menu_item_object_icon_name_set(Elm_Object_Item *it, const char *icon)
 810 {
 811    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 812    EINA_SAFETY_ON_NULL_RETURN(icon);
 813    char icon_tmp[512];
 814    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 815
 816    if (!*icon) return;
 817    if ((item->icon_str) && (!strcmp(item->icon_str, icon))) return;
 818    if ((snprintf(icon_tmp, sizeof(icon_tmp), "menu/%s", icon) > 0) &&
 819        (elm_icon_standard_set(item->content, icon_tmp) ||
 820         elm_icon_standard_set(item->content, icon)))
 821      {
 822         eina_stringshare_replace(&item->icon_str, icon);
 823         edje_object_signal_emit(VIEW(item), "elm,state,icon,visible", "elm");
 824      }
 825    else
 826      edje_object_signal_emit(VIEW(item), "elm,state,icon,hidden", "elm");
 827    edje_object_message_signal_process(VIEW(item));
 828    _sizing_eval(WIDGET(item));
 829 }
 830
 831 EAPI void
 832 elm_menu_item_disabled_set(Elm_Object_Item *it, Eina_Bool disabled)
 833 {
 834    elm_object_item_disabled_set(it, disabled);
 835 }
 836
 837 EAPI Eina_Bool
 838 elm_menu_item_disabled_get(const Elm_Object_Item *it)
 839 {
 840    return elm_object_item_disabled_get(it);
 841 }
 842
 843 EAPI Elm_Object_Item *
 844 elm_menu_item_separator_add(Evas_Object *obj, Elm_Object_Item *parent)
 845 {
 846    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 847    Elm_Menu_Item *subitem;
 848    Widget_Data *wd = elm_widget_data_get(obj);
 849    Elm_Menu_Item *p_item = (Elm_Menu_Item *) parent;
 850    if (!wd) return NULL;
 851    /* don't add a separator as the first item */
 852    if (!wd->items) return NULL;
 853    /* don't allow adding more than one separator in a row */
 854    if (p_item) subitem = eina_list_last(p_item->submenu.items)->data;
 855    else subitem = eina_list_last(wd->items)->data;
 856    if (subitem->separator) return NULL;
 857
 858    subitem = elm_widget_item_new(obj, Elm_Menu_Item);
 859    if (!subitem) return NULL;
 860
 861    elm_widget_item_del_pre_hook_set(subitem, _item_del_pre_hook);
 862    elm_widget_item_disable_hook_set(subitem, _item_disable_hook);
 863    elm_widget_item_text_set_hook_set(subitem, _item_text_set_hook);
 864    elm_widget_item_text_get_hook_set(subitem, _item_text_get_hook);
 865    elm_widget_item_content_set_hook_set(subitem, _item_content_set_hook);
 866    elm_widget_item_content_get_hook_set(subitem, _item_content_get_hook);
 867
 868    subitem->separator = EINA_TRUE;
 869    _item_separator_obj_create(subitem);
 870    if (!p_item)
 871      {
 872         elm_box_pack_end(wd->bx, VIEW(subitem));
 873         wd->items = eina_list_append(wd->items, subitem);
 874      }
 875    else
 876      {
 877         if (!p_item->submenu.bx) _item_submenu_obj_create(p_item);
 878         elm_box_pack_end(p_item->submenu.bx, VIEW(subitem));
 879         p_item->submenu.items = eina_list_append(p_item->submenu.items,
 880                                                  subitem);
 881      }
 882    _sizing_eval(obj);
 883    return (Elm_Object_Item *) subitem;
 884 }
 885
 886 EAPI Eina_Bool
 887 elm_menu_item_object_content_set(Elm_Object_Item *it, Evas_Object *obj)
 888 {
 889    _item_content_set_hook(it, NULL, obj);
 890    return EINA_TRUE;
 891 }
 892
 893 EAPI Evas_Object *
 894 elm_menu_item_object_content_get(const Elm_Object_Item *it)
 895 {
 896    return _item_content_get_hook(it, NULL);
 897 }
 898
 899 EAPI const char *
 900 elm_menu_item_object_icon_name_get(const Elm_Object_Item *it)
 901 {
 902    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 903    return ((Elm_Menu_Item *) it)->icon_str;
 904 }
 905
 906 EAPI Eina_Bool
 907 elm_menu_item_is_separator(Elm_Object_Item *it)
 908 {
 909    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
 910    return ((Elm_Menu_Item *) it)->separator;
 911 }
 912
 913 EAPI void
 914 elm_menu_item_del(Elm_Object_Item *it)
 915 {
 916    elm_object_item_del(it);
 917 }
 918
 919 EAPI void
 920 elm_menu_item_del_cb_set(Elm_Object_Item *it, Evas_Smart_Cb func)
 921 {
 922    elm_object_item_del_cb_set(it, func);
 923 }
 924
 925 EAPI void *
 926 elm_menu_item_data_get(const Elm_Object_Item *it)
 927 {
 928    return elm_object_item_data_get(it);
 929 }
 930
 931 EAPI void
 932 elm_menu_item_data_set(Elm_Object_Item *it, const void *data)
 933 {
 934    elm_object_item_data_set(it, (void *) data);
 935 }
 936
 937 EAPI const Eina_List *
 938 elm_menu_item_subitems_get(const Elm_Object_Item *it)
 939 {
 940    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 941    return ((Elm_Menu_Item *) it)->submenu.items;
 942 }
 943
 944 EAPI const Eina_List *
 945 elm_menu_items_get(const Evas_Object * obj)
 946 {
 947    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 948    Widget_Data *wd = elm_widget_data_get(obj);
 949    return wd->items;
 950 }
 951
 952 EAPI void
 953 elm_menu_item_selected_set(Elm_Object_Item *it, Eina_Bool selected)
 954 {
 955    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 956    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 957
 958    if (selected == item->selected) return;
 959    item->selected = selected;
 960    if (selected)
 961      {
 962         edje_object_signal_emit(VIEW(item), "elm,state,selected", "elm");
 963         _menu_item_activate(item, NULL, NULL, NULL);
 964      }
 965    else
 966      {
 967         edje_object_signal_emit(VIEW(item), "elm,state,unselected", "elm");
 968         _menu_item_inactivate(item, NULL, NULL, NULL);
 969      }
 970    edje_object_message_signal_process(VIEW(item));
 971 }
 972
 973 EAPI Eina_Bool
 974 elm_menu_item_selected_get(const Elm_Object_Item *it)
 975 {
 976    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
 977    return ((Elm_Menu_Item *) it)->selected;
 978 }
 979
 980 EAPI Elm_Object_Item *
 981 elm_menu_item_prev_get(const Elm_Object_Item *it)
 982 {
 983    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 984    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 985
 986    if (item->parent)
 987      {
 988         Eina_List *l = eina_list_data_find_list(item->parent->submenu.items,
 989                                                 item);
 990         l = eina_list_prev(l);
 991         if (!l) return NULL;
 992         return l->data;
 993      }
 994    else
 995      {
 996         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 997         if (!wd || !wd->items) return NULL;
 998         Eina_List *l = eina_list_data_find_list(wd->items, item);
 999         l = eina_list_prev(l);
1000         if (!l) return NULL;
1001         return l->data;
1002      }
1003    return NULL;
1004 }
1005
1006 EAPI Elm_Object_Item *
1007 elm_menu_item_next_get(const Elm_Object_Item *it)
1008 {
1009    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
1010    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
1011
1012    if (item->parent)
1013      {
1014         Eina_List *l = eina_list_data_find_list(item->parent->submenu.items,
1015                                                 item);
1016         l = eina_list_next(l);
1017         if (!l) return NULL;
1018         return l->data;
1019      }
1020    else
1021      {
1022         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
1023         if (!wd || !wd->items) return NULL;
1024         Eina_List *l = eina_list_data_find_list(wd->items, item);
1025         l = eina_list_next(l);
1026         if (!l) return NULL;
1027         return l->data;
1028      }
1029    return NULL;
1030 }
1031
1032 EINA_DEPRECATED EAPI Evas_Object *
1033 elm_menu_item_menu_get(const Elm_Object_Item *it)
1034 {
1035    return elm_object_item_widget_get(it);
1036 }
1037
1038 EAPI Elm_Object_Item *
1039 elm_menu_first_item_get(const Evas_Object * obj)
1040 {
1041    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1042    Widget_Data *wd = elm_widget_data_get(obj);
1043    if (!wd) return NULL;
1044    if (wd->items) return wd->items->data;
1045    return NULL;
1046 }
1047
1048 EAPI Elm_Object_Item *
1049 elm_menu_last_item_get(const Evas_Object * obj)
1050 {
1051    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1052    Widget_Data *wd = elm_widget_data_get(obj);
1053    if (!wd) return NULL;
1054    Eina_List *l = eina_list_last(wd->items);
1055    if (l) return l->data;
1056    return NULL;
1057 }
1058
1059 EAPI Elm_Object_Item *
1060 elm_menu_selected_item_get(const Evas_Object * obj)
1061 {
1062    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1063    Widget_Data *wd = elm_widget_data_get(obj);
1064    if (!wd) return NULL;
1065    Eina_List *l;
1066    Elm_Menu_Item *item;
1067    EINA_LIST_FOREACH(wd->items, l, item)
1068      {
1069         if (item->selected) return ((Elm_Object_Item *) item);
1070      }
1071    return NULL;
1072 }
1073