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_set_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    elm_widget_item_pre_notify_del(item);
  62
  63    EINA_LIST_FREE(item->submenu.items, child)
  64      _del_item(child);
  65
  66    if (item->label) eina_stringshare_del(item->label);
  67    if (item->submenu.hv) evas_object_del(item->submenu.hv);
  68    if (item->submenu.location) evas_object_del(item->submenu.location);
  69    if (item->icon_str) eina_stringshare_del(item->icon_str);
  70    elm_widget_item_del(item);
  71 }
  72
  73 static void
  74 _del_pre_hook(Evas_Object *obj)
  75 {
  76    Elm_Menu_Item *item;
  77    Widget_Data *wd = elm_widget_data_get(obj);
  78    if (!wd) return;
  79
  80    evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, obj);
  81    evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
  82
  83    EINA_LIST_FREE(wd->items, item)
  84       _del_item(item);
  85
  86    if (wd->hv) evas_object_del(wd->hv);
  87    if (wd->location) evas_object_del(wd->location);
  88 }
  89
  90 static void
  91 _del_hook(Evas_Object *obj)
  92 {
  93    Widget_Data *wd = elm_widget_data_get(obj);
  94    free(wd);
  95 }
  96
  97 static void
  98 _theme_hook(Evas_Object *obj)
  99 {
 100    Eina_List *l, *_l, *_ll, *ll = NULL;
 101    Elm_Menu_Item *item;
 102    Widget_Data *wd = elm_widget_data_get(obj);
 103    if (!wd) return;
 104    _elm_widget_mirrored_reload(obj);
 105    ll = eina_list_append(ll, wd->items);
 106    EINA_LIST_FOREACH(ll, _ll, l)
 107      {
 108         EINA_LIST_FOREACH(l, _l, item)
 109           {
 110              edje_object_mirrored_set(VIEW(item), elm_widget_mirrored_get(obj));
 111              ll = eina_list_append(ll, item->submenu.items);
 112              if (item->separator)
 113                _elm_theme_object_set(obj, VIEW(item), "menu", "separator",
 114                                      elm_widget_style_get(obj));
 115              else if (item->submenu.bx)
 116                {
 117                   _elm_theme_object_set
 118                      (obj, VIEW(item), "menu", "item_with_submenu",
 119                       elm_widget_style_get(obj));
 120                   elm_object_item_text_set((Elm_Object_Item *) item,
 121                                            item->label);
 122                   elm_menu_item_object_icon_name_set((Elm_Object_Item *) item,
 123                                                      item->icon_str);
 124                }
 125              else
 126                {
 127                   _elm_theme_object_set(obj, VIEW(item), "menu", "item",
 128                                         elm_widget_style_get(obj));
 129                   elm_object_item_text_set((Elm_Object_Item *) item,
 130                                            item->label);
 131                   elm_menu_item_object_icon_name_set((Elm_Object_Item *) item,
 132                                                      item->icon_str);
 133                }
 134              _item_disable_set_hook((Elm_Object_Item *) item);
 135              edje_object_scale_set(VIEW(item), elm_widget_scale_get(obj) *
 136                                    _elm_config->scale);
 137           }
 138      }
 139    _sizing_eval(obj);
 140 }
 141
 142 static void
 143 _item_text_set_hook(Elm_Object_Item *it,
 144                     const char *part,
 145                     const char *label)
 146 {
 147    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 148    Elm_Menu_Item *item;
 149
 150    if (part && strcmp(part, "default")) return;
 151
 152    item = (Elm_Menu_Item *) it;
 153
 154    eina_stringshare_replace(&item->label, label);
 155
 156    if (label)
 157      edje_object_signal_emit(VIEW(item), "elm,state,text,visible", "elm");
 158    else
 159      edje_object_signal_emit(VIEW(item), "elm,state,text,hidden", "elm");
 160
 161    edje_object_message_signal_process(VIEW(item));
 162    edje_object_part_text_set(VIEW(item), "elm.text", label);
 163    _sizing_eval(WIDGET(item));
 164 }
 165
 166 static const char *
 167 _item_text_get_hook(const Elm_Object_Item *it, const char *part)
 168 {
 169    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 170    if (part && strcmp(part, "default")) return NULL;
 171    return ((Elm_Menu_Item *) it)->label;
 172 }
 173
 174 static void
 175 _item_content_set_hook(Elm_Object_Item *it,
 176                        const char *part,
 177                        Evas_Object *content)
 178 {
 179    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 180    Elm_Menu_Item *item;
 181
 182    if (part && strcmp(part, "default")) return;
 183
 184    item = (Elm_Menu_Item *) it;
 185
 186    if (item->content)
 187      {
 188         elm_widget_sub_object_del(WIDGET(item), item->content);
 189         evas_object_del(item->content);
 190      }
 191
 192    item->content = content;
 193
 194    elm_widget_sub_object_add(WIDGET(item), item->content);
 195    edje_object_part_swallow(VIEW(item), "elm.swallow.content", item->content);
 196    _sizing_eval(WIDGET(item));
 197 }
 198
 199 static Evas_Object *
 200 _item_content_get_hook(const Elm_Object_Item *it, const char *part)
 201 {
 202    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 203    if (part && strcmp(part, "default")) return NULL;
 204    return ((Elm_Menu_Item *) it)->content;
 205 }
 206
 207 static void
 208 _item_disable_set_hook(Elm_Object_Item *it)
 209 {
 210    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 211    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 212
 213    if (elm_widget_item_disabled_get(item))
 214      {
 215         edje_object_signal_emit(VIEW(item), "elm,state,disabled", "elm");
 216         if (item->submenu.open) _submenu_hide(item);
 217      }
 218    else
 219      edje_object_signal_emit(VIEW(item), "elm,state,enabled", "elm");
 220
 221    edje_object_message_signal_process(VIEW(item));
 222 }
 223
 224 static void
 225 _sizing_eval(Evas_Object *obj)
 226 {
 227    Eina_List *l;
 228    Elm_Menu_Item *item;
 229    Evas_Coord x_p, y_p, w_p, h_p, x2, y2, w2, h2, bx, by, bw, bh;
 230    Widget_Data *wd = elm_widget_data_get(obj);
 231    if ((!wd) || (!wd->parent)) return;
 232    EINA_LIST_FOREACH(wd->items,l,item) _item_sizing_eval(item);
 233    evas_object_geometry_get(wd->location, &x_p, &y_p, &w_p, &h_p);
 234    evas_object_geometry_get(wd->parent, &x2, &y2, &w2, &h2);
 235    evas_object_geometry_get(wd->bx, &bx, &by, &bw, &bh);
 236
 237    x_p = wd->xloc;
 238    y_p = wd->yloc;
 239
 240    if (elm_widget_mirrored_get(obj))
 241      x_p -= w_p;
 242
 243    if (x_p+bw > x2+w2) x_p -= x_p+bw - (x2+w2);
 244    if (x_p < x2) x_p += x2 - x_p;
 245
 246    if (y_p+h_p+bh > y2+h2) y_p -= y_p+h_p+bh - (y2+h2);
 247    if (y_p < y2) y_p += y2 - y_p;
 248
 249
 250    evas_object_move(wd->location, x_p, y_p);
 251    evas_object_resize(wd->location, bw, h_p);
 252    evas_object_size_hint_min_set(wd->location, bw, h_p);
 253    evas_object_size_hint_max_set(wd->location, bw, h_p);
 254    elm_hover_target_set(wd->hv, wd->location);
 255
 256    EINA_LIST_FOREACH(wd->items,l,item)
 257      {
 258         if (item->submenu.open) _submenu_sizing_eval(item);
 259      }
 260 }
 261
 262 static void
 263 _submenu_sizing_eval(Elm_Menu_Item *parent)
 264 {
 265    Eina_List *l;
 266    Elm_Menu_Item *item;
 267    Evas_Coord x_p, y_p, w_p, h_p, x2, y2, w2, h2, bx, by, bw, bh, px, py, pw, ph;
 268    Widget_Data *wd = elm_widget_data_get(WIDGET(parent));
 269    if (!wd) return;
 270    EINA_LIST_FOREACH(parent->submenu.items, l, item) _item_sizing_eval(item);
 271    evas_object_geometry_get(parent->submenu.location, &x_p, &y_p, &w_p, &h_p);
 272    evas_object_geometry_get(VIEW(parent), &x2, &y2, &w2, &h2);
 273    evas_object_geometry_get(parent->submenu.bx, &bx, &by, &bw, &bh);
 274    evas_object_geometry_get(wd->parent, &px, &py, &pw, &ph);
 275
 276    x_p = x2+w2;
 277    y_p = y2;
 278
 279    /* If it overflows on the right, adjust the x */
 280    if ((x_p + bw > px + pw) || elm_widget_mirrored_get(WIDGET(parent)))
 281      x_p = x2-bw;
 282
 283    /* If it overflows on the left, adjust the x - usually only happens
 284     * with an RTL interface */
 285    if (x_p < px)
 286      x_p = x2 + w2;
 287
 288    /* If after all the adjustments it still overflows, fix it */
 289    if (x_p + bw > px + pw)
 290      x_p = x2-bw;
 291
 292    if (y_p+bh > py+ph)
 293      y_p -= y_p+bh - (py+ph);
 294    if (y_p < py)
 295      y_p += y_p - y_p;
 296
 297    evas_object_move(parent->submenu.location, x_p, y_p);
 298    evas_object_resize(parent->submenu.location, bw, h_p);
 299    evas_object_size_hint_min_set(parent->submenu.location, bw, h_p);
 300    evas_object_size_hint_max_set(parent->submenu.location, bw, h_p);
 301    elm_hover_target_set(parent->submenu.hv, parent->submenu.location);
 302
 303    EINA_LIST_FOREACH(parent->submenu.items, l, item)
 304      {
 305         if (item->submenu.open)
 306           _submenu_sizing_eval(item);
 307      }
 308 }
 309
 310 static void
 311 _item_sizing_eval(Elm_Menu_Item *item)
 312 {
 313    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
 314    if (!item->separator)
 315      elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 316    edje_object_size_min_restricted_calc(VIEW(item), &minw, &minh, minw, minh);
 317    if (!item->separator)
 318      elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 319    evas_object_size_hint_min_set(VIEW(item), minw, minh);
 320    evas_object_size_hint_max_set(VIEW(item), maxw, maxh);
 321 }
 322
 323 static void
 324 _menu_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 325 {
 326    _sizing_eval(data);
 327 }
 328
 329 static void
 330 _parent_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 331 {
 332    _sizing_eval(data);
 333 }
 334
 335 static void
 336 _parent_del(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 337 {
 338    Widget_Data *wd = data;
 339    evas_object_event_callback_del_full(obj, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 340    wd->parent = NULL;
 341 }
 342
 343 static void
 344 _item_move_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 345 {
 346    Elm_Menu_Item *item = data;
 347    if (item->submenu.open) _submenu_sizing_eval(item);
 348 }
 349
 350 static void
 351 _hover_clicked_cb(void *data, Evas_Object *obj, void *event_info)
 352 {
 353    _menu_hide(data, obj, event_info);
 354    evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
 355 }
 356
 357 static void
 358 _menu_hide(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 359 {
 360    Eina_List *l;
 361    Elm_Menu_Item *item2;
 362    Widget_Data *wd = elm_widget_data_get(data);
 363    if (!wd) return;
 364    evas_object_hide(wd->hv);
 365    evas_object_hide(data);
 366
 367    EINA_LIST_FOREACH(wd->items, l, item2)
 368      {
 369         if (item2->submenu.open) _submenu_hide(item2);
 370      }
 371 }
 372
 373 static void
 374 _submenu_hide(Elm_Menu_Item *item)
 375 {
 376    Eina_List *l;
 377    Elm_Menu_Item *item2;
 378    evas_object_hide(item->submenu.hv);
 379    item->submenu.open = EINA_FALSE;
 380    EINA_LIST_FOREACH(item->submenu.items, l, item2)
 381      {
 382         if (item2->submenu.open) _submenu_hide(item2);
 383      }
 384 }
 385
 386 static void
 387 _menu_item_select(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 388 {
 389    Elm_Menu_Item *item = data;
 390    if (item->submenu.items)
 391      {
 392         if (!item->submenu.open) _submenu_open(item, NULL, NULL, NULL);
 393         else _submenu_hide(item);
 394      }
 395    else
 396      _menu_hide(WIDGET(item), NULL, NULL);
 397
 398    if (item->func) item->func((void *)(item->base.data), WIDGET(item), item);
 399 }
 400
 401 static void
 402 _menu_item_activate(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 403 {
 404    Eina_List *l;
 405    Elm_Menu_Item *item2;
 406    Elm_Menu_Item *item = data;
 407    item->selected = 1;
 408    if (item->parent)
 409      {
 410         EINA_LIST_FOREACH(item->parent->submenu.items, l, item2)
 411           {
 412              if (item2 != item)
 413                elm_menu_item_selected_set((Elm_Object_Item *) item2, 0);
 414           }
 415      }
 416    else
 417      {
 418         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 419         EINA_LIST_FOREACH(wd->items, l, item2)
 420           {
 421              if (item2 != item)
 422                elm_menu_item_selected_set((Elm_Object_Item *) item2, 0);
 423           }
 424      }
 425 }
 426
 427 static void
 428 _menu_item_inactivate(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 429 {
 430    Elm_Menu_Item *item = data;
 431    item->selected = 0;
 432    if (item->submenu.open) _submenu_hide(item);
 433 }
 434
 435 static void
 436 _submenu_open(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 437 {
 438    Elm_Menu_Item *item = data;
 439    item->submenu.open = EINA_TRUE;
 440    evas_object_show(item->submenu.hv);
 441    _sizing_eval(WIDGET(item));
 442 }
 443
 444 static void
 445 _show(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 446 {
 447    Widget_Data *wd = elm_widget_data_get(data);
 448    if (!wd) return;
 449    evas_object_show(wd->hv);
 450 }
 451
 452 static void
 453 _item_obj_create(Elm_Menu_Item *item)
 454 {
 455    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 456    if (!wd) return;
 457    VIEW(item) = edje_object_add(evas_object_evas_get(wd->bx));
 458    edje_object_mirrored_set(VIEW(item), elm_widget_mirrored_get(WIDGET(item)));
 459    evas_object_size_hint_weight_set(VIEW(item), EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 460    evas_object_size_hint_fill_set(VIEW(item), EVAS_HINT_FILL, EVAS_HINT_FILL);
 461    _elm_theme_object_set(WIDGET(item), VIEW(item), "menu", "item",  elm_widget_style_get(WIDGET(item)));
 462    edje_object_signal_callback_add(VIEW(item), "elm,action,click", "",
 463                                    _menu_item_select, item);
 464    edje_object_signal_callback_add(VIEW(item), "elm,action,activate", "",
 465                                    _menu_item_activate, item);
 466    edje_object_signal_callback_add(VIEW(item), "elm,action,inactivate", "",
 467                                    _menu_item_inactivate, item);
 468    evas_object_show(VIEW(item));
 469 }
 470
 471 static void
 472 _item_separator_obj_create(Elm_Menu_Item *item)
 473 {
 474    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 475    if (!wd) return;
 476    VIEW(item) = edje_object_add(evas_object_evas_get(wd->bx));
 477    evas_object_size_hint_weight_set(VIEW(item), EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 478    evas_object_size_hint_fill_set(VIEW(item), EVAS_HINT_FILL, EVAS_HINT_FILL);
 479    _elm_theme_object_set(WIDGET(item), VIEW(item), "menu", "separator",  elm_widget_style_get(WIDGET(item)));
 480    edje_object_signal_callback_add(VIEW(item), "elm,action,activate", "",
 481                                    _menu_item_activate, item);
 482    evas_object_show(VIEW(item));
 483 }
 484
 485 static void
 486 _item_submenu_obj_create(Elm_Menu_Item *item)
 487 {
 488    Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 489    if (!wd) return;
 490    item->submenu.location = elm_icon_add(wd->bx);
 491    item->submenu.hv = elm_hover_add(wd->bx);
 492    elm_widget_mirrored_set(item->submenu.hv, EINA_FALSE);
 493    elm_hover_target_set(item->submenu.hv, item->submenu.location);
 494    elm_hover_parent_set(item->submenu.hv, wd->parent);
 495    elm_object_style_set(item->submenu.hv, "submenu");
 496
 497    item->submenu.bx = elm_box_add(wd->bx);
 498    elm_widget_mirrored_set(item->submenu.bx, EINA_FALSE);
 499    evas_object_size_hint_weight_set(item->submenu.bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 500    evas_object_show(item->submenu.bx);
 501    elm_hover_content_set(item->submenu.hv, elm_hover_best_content_location_get(item->submenu.hv, ELM_HOVER_AXIS_VERTICAL), item->submenu.bx);
 502
 503    edje_object_mirrored_set(VIEW(item), elm_widget_mirrored_get(WIDGET(item)));
 504    _elm_theme_object_set(WIDGET(item), VIEW(item), "menu", "item_with_submenu",  elm_widget_style_get(WIDGET(item)));
 505    elm_object_item_text_set((Elm_Object_Item *) item,
 506                             item->label);
 507    if (item->icon_str)
 508      elm_menu_item_object_icon_name_set((Elm_Object_Item *) item,
 509                                         item->icon_str);
 510    edje_object_signal_callback_add(VIEW(item), "elm,action,open", "",
 511                                    _submenu_open, item);
 512    evas_object_event_callback_add(VIEW(item), EVAS_CALLBACK_MOVE, _item_move_resize, item);
 513    evas_object_event_callback_add(VIEW(item), EVAS_CALLBACK_RESIZE, _item_move_resize, item);
 514
 515    evas_object_event_callback_add(item->submenu.bx, EVAS_CALLBACK_RESIZE, _menu_resize, WIDGET(item));
 516 }
 517
 518 EAPI Evas_Object *
 519 elm_menu_add(Evas_Object *parent)
 520 {
 521    Evas_Object *obj;
 522    Evas *e;
 523    Widget_Data *wd;
 524
 525    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 526
 527    ELM_SET_WIDTYPE(widtype, "menu");
 528    elm_widget_type_set(obj, "menu");
 529    elm_widget_sub_object_add(parent, obj);
 530    elm_widget_data_set(obj, wd);
 531    elm_widget_del_pre_hook_set(obj, _del_pre_hook);
 532    elm_widget_del_hook_set(obj, _del_hook);
 533    elm_widget_theme_hook_set(obj, _theme_hook);
 534    elm_widget_can_focus_set(obj, EINA_FALSE);
 535
 536    wd->location = elm_icon_add(obj);
 537    wd->parent = parent;
 538    wd->obj = obj;
 539
 540    wd->hv = elm_hover_add(obj);
 541    elm_widget_mirrored_set(wd->hv, EINA_FALSE);
 542    elm_hover_parent_set(wd->hv, parent);
 543    elm_hover_target_set(wd->hv, wd->location);
 544    elm_object_style_set(wd->hv, "menu");
 545    evas_object_smart_callback_add(wd->hv, "clicked", _hover_clicked_cb, obj);
 546
 547    wd->bx = elm_box_add(obj);
 548    elm_widget_mirrored_set(wd->bx, EINA_FALSE);
 549    evas_object_size_hint_weight_set(wd->bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 550    evas_object_show(wd->bx);
 551    elm_hover_content_set(wd->hv, elm_hover_best_content_location_get(wd->hv, ELM_HOVER_AXIS_VERTICAL), wd->bx);
 552
 553    evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 554    evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
 555
 556    evas_object_event_callback_add(obj, EVAS_CALLBACK_SHOW, _show, obj);
 557
 558    evas_object_event_callback_add(wd->bx, EVAS_CALLBACK_RESIZE, _menu_resize, obj);
 559
 560    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 561
 562    _sizing_eval(obj);
 563    return obj;
 564 }
 565
 566 EAPI void
 567 elm_menu_parent_set(Evas_Object *obj, Evas_Object *parent)
 568 {
 569    Eina_List *l, *_l, *_ll, *ll = NULL;
 570    Elm_Menu_Item *item;
 571    ELM_CHECK_WIDTYPE(obj, widtype);
 572    Widget_Data *wd = elm_widget_data_get(obj);
 573    if (!wd) return;
 574
 575    if (wd->parent == parent) return;
 576    if (wd->parent)
 577      {
 578         evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 579         evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
 580      }
 581    wd->parent = parent;
 582    if (wd->parent)
 583      {
 584         evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, wd->obj);
 585         evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_DEL, _parent_del, wd);
 586      }
 587    elm_hover_parent_set(wd->hv, parent);
 588
 589    ll = eina_list_append(ll, wd->items);
 590    EINA_LIST_FOREACH(ll, _ll, l)
 591      {
 592         EINA_LIST_FOREACH(l, _l, item)
 593           {
 594              if (item->submenu.hv)
 595                {
 596                   elm_hover_parent_set(item->submenu.hv, parent);
 597                   ll = eina_list_append(ll, item->submenu.items);
 598                }
 599           }
 600      }
 601    _sizing_eval(obj);
 602 }
 603
 604 EAPI Evas_Object *
 605 elm_menu_parent_get(const Evas_Object *obj)
 606 {
 607    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 608    Widget_Data *wd = elm_widget_data_get(obj);
 609    if (!wd) return NULL;
 610    return wd->parent;
 611 }
 612
 613 EAPI void
 614 elm_menu_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
 615 {
 616    ELM_CHECK_WIDTYPE(obj, widtype);
 617    Widget_Data *wd = elm_widget_data_get(obj);
 618    if (!wd) return;
 619    wd->xloc = x;
 620    wd->yloc = y;
 621    _sizing_eval(obj);
 622 }
 623
 624 EAPI void
 625 elm_menu_close(Evas_Object *obj)
 626 {
 627    ELM_CHECK_WIDTYPE(obj, widtype);
 628    Widget_Data *wd = elm_widget_data_get(obj);
 629    _menu_hide(obj, wd->hv, NULL);
 630 }
 631
 632 EAPI Evas_Object *
 633 elm_menu_item_object_get(const Elm_Object_Item *it)
 634 {
 635    return VIEW(((Elm_Menu_Item *) it));
 636 }
 637
 638 static void
 639 _item_clone(Evas_Object *obj, Elm_Menu_Item *parent, Elm_Menu_Item *item)
 640 {
 641    Elm_Object_Item *new_item;
 642    Elm_Menu_Item *subitem;
 643    Eina_List *iter;
 644
 645    if (item->separator)
 646      new_item = elm_menu_item_separator_add(obj, (Elm_Object_Item *) parent);
 647    else
 648      new_item = elm_menu_item_add(obj,
 649                                   (Elm_Object_Item *) parent,
 650                                   item->icon_str,
 651                                   item->label,
 652                                   item->func,
 653                                   item->base.data);
 654    elm_object_item_disabled_set(new_item,
 655                                 elm_widget_item_disabled_get(item));
 656
 657    EINA_LIST_FOREACH(item->submenu.items, iter, subitem)
 658      _item_clone(obj, (Elm_Menu_Item *) new_item, subitem);
 659 }
 660
 661 void
 662 elm_menu_clone(Evas_Object *from_menu, Evas_Object *to_menu, Elm_Object_Item *parent)
 663 {
 664    ELM_CHECK_WIDTYPE(from_menu, widtype);
 665    ELM_CHECK_WIDTYPE(to_menu, widtype);
 666    Widget_Data *from_wd = elm_widget_data_get(from_menu);
 667    Eina_List *iter;
 668    Elm_Menu_Item *item;
 669
 670    if (!from_wd) return;
 671    EINA_LIST_FOREACH(from_wd->items, iter, item)
 672      _item_clone(to_menu, (Elm_Menu_Item *) parent, item);
 673 }
 674
 675 static void
 676 _elm_menu_item_add_helper(Evas_Object *obj, Elm_Menu_Item *parent, Elm_Menu_Item *subitem, Widget_Data *wd)
 677 {
 678    if (parent)
 679      {
 680         if (!parent->submenu.bx) _item_submenu_obj_create(parent);
 681         elm_box_pack_end(parent->submenu.bx, VIEW(subitem));
 682         parent->submenu.items = eina_list_append(parent->submenu.items, subitem);
 683         subitem->idx = eina_list_count(parent->submenu.items) - 1;
 684      }
 685    else
 686      {
 687         elm_box_pack_end(wd->bx, VIEW(subitem));
 688         wd->items = eina_list_append(wd->items, subitem);
 689         subitem->idx = eina_list_count(wd->items) - 1;
 690      }
 691
 692    _sizing_eval(obj);
 693 }
 694
 695 EAPI Elm_Object_Item *
 696 elm_menu_item_add(Evas_Object *obj, Elm_Object_Item *parent, const char *icon, const char *label, Evas_Smart_Cb func, const void *data)
 697 {
 698    Elm_Menu_Item *subitem;
 699    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 700    Widget_Data *wd = elm_widget_data_get(obj);
 701    Evas_Object *icon_obj;
 702
 703    if (!wd) return NULL;
 704    icon_obj = elm_icon_add(obj);
 705    if (!icon_obj) return NULL;
 706    subitem = elm_widget_item_new(obj, Elm_Menu_Item);
 707    if (!subitem)
 708      {
 709         evas_object_del(icon_obj);
 710         return NULL;
 711      }
 712
 713    elm_widget_item_disable_set_hook_set(subitem, _item_disable_set_hook);
 714    elm_widget_item_text_set_hook_set(subitem, _item_text_set_hook);
 715    elm_widget_item_text_get_hook_set(subitem, _item_text_get_hook);
 716    elm_widget_item_content_set_hook_set(subitem, _item_content_set_hook);
 717    elm_widget_item_content_get_hook_set(subitem, _item_content_get_hook);
 718
 719    subitem->base.data = data;
 720    subitem->func = func;
 721    subitem->parent = (Elm_Menu_Item *) parent;
 722    subitem->content = icon_obj;
 723
 724    _item_obj_create(subitem);
 725    elm_object_item_text_set((Elm_Object_Item *) subitem, label);
 726
 727    elm_widget_sub_object_add(WIDGET(subitem), subitem->content);
 728    edje_object_part_swallow(VIEW(subitem), "elm.swallow.content", subitem->content);
 729    if (icon)
 730      elm_menu_item_object_icon_name_set((Elm_Object_Item *) subitem, icon);
 731
 732    _elm_menu_item_add_helper(obj, (Elm_Menu_Item *) parent, subitem, wd);
 733
 734    return (Elm_Object_Item *) subitem;
 735 }
 736
 737 EAPI Elm_Object_Item *
 738 elm_menu_item_add_object(Evas_Object *obj, Elm_Object_Item *parent, Evas_Object *subobj, Evas_Smart_Cb func, const void *data)
 739 {
 740    Elm_Menu_Item *subitem;
 741    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 742    Widget_Data *wd = elm_widget_data_get(obj);
 743
 744    if (!wd) return NULL;
 745    subitem = elm_widget_item_new(obj, Elm_Menu_Item);
 746    if (!subitem) return NULL;
 747
 748    elm_widget_item_disable_set_hook_set(subitem, _item_disable_set_hook);
 749    elm_widget_item_text_set_hook_set(subitem, _item_text_set_hook);
 750    elm_widget_item_text_get_hook_set(subitem, _item_text_get_hook);
 751    elm_widget_item_content_set_hook_set(subitem, _item_content_set_hook);
 752    elm_widget_item_content_get_hook_set(subitem, _item_content_get_hook);
 753
 754    subitem->base.data = data;
 755    subitem->func = func;
 756    subitem->parent = (Elm_Menu_Item *) parent;
 757    subitem->object_item = EINA_TRUE;
 758    subitem->content = subobj;
 759
 760    _item_obj_create(subitem);
 761
 762    elm_widget_sub_object_add(WIDGET(subitem), subitem->content);
 763    edje_object_part_swallow(VIEW(subitem), "elm.swallow.content", subobj);
 764    _sizing_eval(WIDGET(subitem));
 765
 766    _elm_menu_item_add_helper(obj, (Elm_Menu_Item *) parent, subitem, wd);
 767
 768    return (Elm_Object_Item *) subitem;
 769 }
 770
 771 EAPI unsigned int
 772 elm_menu_item_index_get(const Elm_Object_Item *it)
 773 {
 774    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, 0);
 775    return ((Elm_Menu_Item *) it)->idx;
 776 }
 777
 778 EAPI void
 779 elm_menu_item_label_set(Elm_Object_Item *it, const char *label)
 780 {
 781    _item_text_set_hook(it, NULL, label);
 782 }
 783
 784 EAPI const char *
 785 elm_menu_item_label_get(const Elm_Object_Item *it)
 786 {
 787    return _item_text_get_hook(it, NULL);
 788 }
 789
 790 EAPI void
 791 elm_menu_item_object_icon_name_set(Elm_Object_Item *it, const char *icon)
 792 {
 793    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 794    EINA_SAFETY_ON_NULL_RETURN(icon);
 795    char icon_tmp[512];
 796    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 797
 798    if (!*icon) return;
 799    if ((item->icon_str) && (!strcmp(item->icon_str, icon))) return;
 800    if ((snprintf(icon_tmp, sizeof(icon_tmp), "menu/%s", icon) > 0) &&
 801        (elm_icon_standard_set(item->content, icon_tmp) ||
 802         elm_icon_standard_set(item->content, icon)))
 803      {
 804         eina_stringshare_replace(&item->icon_str, icon);
 805         edje_object_signal_emit(VIEW(item), "elm,state,icon,visible", "elm");
 806      }
 807    else
 808      edje_object_signal_emit(VIEW(item), "elm,state,icon,hidden", "elm");
 809    edje_object_message_signal_process(VIEW(item));
 810    _sizing_eval(WIDGET(item));
 811 }
 812
 813 EAPI void
 814 elm_menu_item_disabled_set(Elm_Object_Item *it, Eina_Bool disabled)
 815 {
 816    elm_object_item_disabled_set(it, disabled);
 817 }
 818
 819 EAPI Eina_Bool
 820 elm_menu_item_disabled_get(const Elm_Object_Item *it)
 821 {
 822    return elm_object_item_disabled_get(it);
 823 }
 824
 825 EAPI Elm_Object_Item *
 826 elm_menu_item_separator_add(Evas_Object *obj, Elm_Object_Item *parent)
 827 {
 828    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 829    Elm_Menu_Item *subitem;
 830    Widget_Data *wd = elm_widget_data_get(obj);
 831    Elm_Menu_Item *p_item = (Elm_Menu_Item *) parent;
 832    if (!wd) return NULL;
 833    /* don't add a separator as the first item */
 834    if (!wd->items) return NULL;
 835    /* don't allow adding more than one separator in a row */
 836    if (p_item) subitem = eina_list_last(p_item->submenu.items)->data;
 837    else subitem = eina_list_last(wd->items)->data;
 838    if (subitem->separator) return NULL;
 839
 840    subitem = elm_widget_item_new(obj, Elm_Menu_Item);
 841    if (!subitem) return NULL;
 842
 843    elm_widget_item_disable_set_hook_set(subitem, _item_disable_set_hook);
 844    elm_widget_item_text_set_hook_set(subitem, _item_text_set_hook);
 845    elm_widget_item_text_get_hook_set(subitem, _item_text_get_hook);
 846    elm_widget_item_content_set_hook_set(subitem, _item_content_set_hook);
 847    elm_widget_item_content_get_hook_set(subitem, _item_content_get_hook);
 848
 849    subitem->separator = EINA_TRUE;
 850    _item_separator_obj_create(subitem);
 851    if (!p_item)
 852      {
 853         elm_box_pack_end(wd->bx, VIEW(subitem));
 854         wd->items = eina_list_append(wd->items, subitem);
 855      }
 856    else
 857      {
 858         if (!p_item->submenu.bx) _item_submenu_obj_create(p_item);
 859         elm_box_pack_end(p_item->submenu.bx, VIEW(subitem));
 860         p_item->submenu.items = eina_list_append(p_item->submenu.items,
 861                                                  subitem);
 862      }
 863    _sizing_eval(obj);
 864    return (Elm_Object_Item *) subitem;
 865 }
 866
 867 EAPI Eina_Bool
 868 elm_menu_item_object_content_set(Elm_Object_Item *it, Evas_Object *obj)
 869 {
 870    _item_content_set_hook(it, NULL, obj);
 871    return EINA_TRUE;
 872 }
 873
 874 EAPI Evas_Object *
 875 elm_menu_item_object_content_get(const Elm_Object_Item *it)
 876 {
 877    return _item_content_get_hook(it, NULL);
 878 }
 879
 880 EAPI const char *
 881 elm_menu_item_object_icon_name_get(const Elm_Object_Item *it)
 882 {
 883    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 884    return ((Elm_Menu_Item *) it)->icon_str;
 885 }
 886
 887 EAPI Eina_Bool
 888 elm_menu_item_is_separator(Elm_Object_Item *it)
 889 {
 890    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
 891    return ((Elm_Menu_Item *) it)->separator;
 892 }
 893
 894 EAPI void
 895 elm_menu_item_del(Elm_Object_Item *it)
 896 {
 897    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 898    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 899    Elm_Object_Item *_item;
 900
 901    elm_widget_item_pre_notify_del(item);
 902
 903    EINA_LIST_FREE(item->submenu.items, _item) elm_menu_item_del(_item);
 904    if (item->label) eina_stringshare_del(item->label);
 905    if (item->content) evas_object_del(item->content);
 906    if (item->submenu.hv) evas_object_del(item->submenu.hv);
 907    if (item->submenu.location) evas_object_del(item->submenu.location);
 908
 909    if (item->parent)
 910      item->parent->submenu.items = eina_list_remove(item->parent->submenu.items, item);
 911    else
 912      {
 913         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 914         wd->items = eina_list_remove(wd->items, item);
 915      }
 916
 917    elm_widget_item_del(item);
 918 }
 919
 920 EAPI void
 921 elm_menu_item_del_cb_set(Elm_Object_Item *it, Evas_Smart_Cb func)
 922 {
 923    elm_object_item_del_cb_set(it, func);
 924 }
 925
 926 EAPI void *
 927 elm_menu_item_data_get(const Elm_Object_Item *it)
 928 {
 929    return elm_object_item_data_get(it);
 930 }
 931
 932 EAPI void
 933 elm_menu_item_data_set(Elm_Object_Item *it, const void *data)
 934 {
 935    elm_object_item_data_set(it, (void *) data);
 936 }
 937
 938 EAPI const Eina_List *
 939 elm_menu_item_subitems_get(const Elm_Object_Item *it)
 940 {
 941    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 942    return ((Elm_Menu_Item *) it)->submenu.items;
 943 }
 944
 945 EAPI const Eina_List *
 946 elm_menu_items_get(const Evas_Object * obj)
 947 {
 948    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 949    Widget_Data *wd = elm_widget_data_get(obj);
 950    return wd->items;
 951 }
 952
 953 EAPI void
 954 elm_menu_item_selected_set(Elm_Object_Item *it, Eina_Bool selected)
 955 {
 956    ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
 957    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 958
 959    if (selected == item->selected) return;
 960    item->selected = selected;
 961    if (selected)
 962      {
 963         edje_object_signal_emit(VIEW(item), "elm,state,selected", "elm");
 964         _menu_item_activate(item, NULL, NULL, NULL);
 965      }
 966    else
 967      {
 968         edje_object_signal_emit(VIEW(item), "elm,state,unselected", "elm");
 969         _menu_item_inactivate(item, NULL, NULL, NULL);
 970      }
 971    edje_object_message_signal_process(VIEW(item));
 972 }
 973
 974 EAPI Eina_Bool
 975 elm_menu_item_selected_get(const Elm_Object_Item *it)
 976 {
 977    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
 978    return ((Elm_Menu_Item *) it)->selected;
 979 }
 980
 981 EAPI Elm_Object_Item *
 982 elm_menu_item_prev_get(const Elm_Object_Item *it)
 983 {
 984    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
 985    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
 986
 987    if (item->parent)
 988      {
 989         Eina_List *l = eina_list_data_find_list(item->parent->submenu.items,
 990                                                 item);
 991         l = eina_list_prev(l);
 992         if (!l) return NULL;
 993         return l->data;
 994      }
 995    else
 996      {
 997         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
 998         if (!wd || !wd->items) return NULL;
 999         Eina_List *l = eina_list_data_find_list(wd->items, item);
1000         l = eina_list_prev(l);
1001         if (!l) return NULL;
1002         return l->data;
1003      }
1004    return NULL;
1005 }
1006
1007 EAPI Elm_Object_Item *
1008 elm_menu_item_next_get(const Elm_Object_Item *it)
1009 {
1010    ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
1011    Elm_Menu_Item *item = (Elm_Menu_Item *) it;
1012
1013    if (item->parent)
1014      {
1015         Eina_List *l = eina_list_data_find_list(item->parent->submenu.items,
1016                                                 item);
1017         l = eina_list_next(l);
1018         if (!l) return NULL;
1019         return l->data;
1020      }
1021    else
1022      {
1023         Widget_Data *wd = elm_widget_data_get(WIDGET(item));
1024         if (!wd || !wd->items) return NULL;
1025         Eina_List *l = eina_list_data_find_list(wd->items, item);
1026         l = eina_list_next(l);
1027         if (!l) return NULL;
1028         return l->data;
1029      }
1030    return NULL;
1031 }
1032
1033 EAPI Evas_Object *
1034 elm_menu_item_menu_get(const Elm_Object_Item *it)
1035 {
1036    return elm_object_item_object_get(it);
1037 }
1038
1039 EAPI Elm_Object_Item *
1040 elm_menu_first_item_get(const Evas_Object * obj)
1041 {
1042    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1043    Widget_Data *wd = elm_widget_data_get(obj);
1044    if (!wd) return NULL;
1045    if (wd->items) return wd->items->data;
1046    return NULL;
1047 }
1048
1049 EAPI Elm_Object_Item *
1050 elm_menu_last_item_get(const Evas_Object * obj)
1051 {
1052    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1053    Widget_Data *wd = elm_widget_data_get(obj);
1054    if (!wd) return NULL;
1055    Eina_List *l = eina_list_last(wd->items);
1056    if (l) return l->data;
1057    return NULL;
1058 }
1059
1060 EAPI Elm_Object_Item *
1061 elm_menu_selected_item_get(const Evas_Object * obj)
1062 {
1063    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1064    Widget_Data *wd = elm_widget_data_get(obj);
1065    if (!wd) return NULL;
1066    Eina_List *l;
1067    Elm_Menu_Item *item;
1068    EINA_LIST_FOREACH(wd->items, l, item)
1069      {
1070         if (item->selected) return ((Elm_Object_Item *) item);
1071      }
1072    return NULL;
1073 }
1074