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