src/bin/e_widget_toolbar.c

   1 #include "e.h"
   2
   3 typedef struct _E_Widget_Data E_Widget_Data;
   4 typedef struct _Item Item;
   5 struct _E_Widget_Data
   6 {
   7    Evas_Object *o_base, *o_box;
   8    int icon_w, icon_h;
   9    Eina_List *items;
  10    Eina_Bool scrollable : 1;
  11    Eina_Bool focus_steal : 1;
  12 };
  13
  14 struct _Item
  15 {
  16    Evas_Object *o_toolbar, *o_base, *o_icon;
  17    void (*func) (void *data1, void *data2);
  18    const void *data1, *data2;
  19    Eina_Bool selected : 1;
  20 };
  21
  22 static void _e_wid_del_hook(Evas_Object *obj);
  23 static void _e_wid_focus_hook(Evas_Object *obj);
  24 static void _e_wid_focus_steal(void *data, Evas *e, Evas_Object *obj, void *event_info);
  25 static void _e_wid_disable_hook(Evas_Object *obj);
  26 static void _e_wid_signal_cb1(void *data, Evas_Object *obj, const char *emission, const char *source);
  27 static void _e_wid_cb_scrollframe_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
  28 static void _e_wid_cb_key_down(void *data, Evas *evas, Evas_Object *obj, void *event_info);
  29 static void _e_wid_signal_prev(void *data, Evas_Object *obj, const char *emission, const char *source);
  30 static void _e_wid_signal_next(void *data, Evas_Object *obj, const char *emission, const char *source);
  31 static void _item_show(Item *it);
  32 static void _item_select(Item *it);
  33 static void _item_unselect(Item *it);
  34
  35 /* local subsystem functions */
  36
  37 /* externally accessible functions */
  38 EAPI Evas_Object *
  39 e_widget_toolbar_add(Evas *evas, int icon_w, int icon_h)
  40 {
  41    Evas_Object *obj, *o;
  42    E_Widget_Data *wd;
  43    Evas_Coord mw = 0, mh = 0;
  44
  45    obj = e_widget_add(evas);
  46
  47    e_widget_del_hook_set(obj, _e_wid_del_hook);
  48    e_widget_focus_hook_set(obj, _e_wid_focus_hook);
  49    e_widget_disable_hook_set(obj, _e_wid_disable_hook);
  50    wd = E_NEW(E_Widget_Data, 1);
  51    e_widget_data_set(obj, wd);
  52    wd->icon_w = icon_w;
  53    wd->icon_h = icon_h;
  54    wd->focus_steal = EINA_TRUE;
  55
  56    o = e_scrollframe_add(evas);
  57    wd->o_base = o;
  58    o = e_box_add(evas);
  59    wd->o_box = o;
  60    o = wd->o_base;
  61    e_scrollframe_custom_theme_set(o, "base/theme/widgets", "e/widgets/toolbar");
  62    e_scrollframe_single_dir_set(o, 1);
  63    e_scrollframe_policy_set(o, E_SCROLLFRAME_POLICY_AUTO,
  64                             E_SCROLLFRAME_POLICY_OFF);
  65    e_scrollframe_thumbscroll_force(o, 1);
  66    evas_object_event_callback_add(o, EVAS_CALLBACK_RESIZE,
  67                                   _e_wid_cb_scrollframe_resize, obj);
  68    evas_object_event_callback_add(e_scrollframe_edje_object_get(wd->o_base),
  69                                   EVAS_CALLBACK_MOUSE_DOWN,
  70                                   _e_wid_focus_steal, obj);
  71    evas_object_event_callback_add(obj, EVAS_CALLBACK_KEY_DOWN,
  72                                   _e_wid_cb_key_down, obj);
  73
  74    edje_object_signal_callback_add(e_scrollframe_edje_object_get(o),
  75                                    "e,action,prev", "e",
  76                                    _e_wid_signal_prev, obj);
  77    edje_object_signal_callback_add(e_scrollframe_edje_object_get(o),
  78                                    "e,action,next", "e",
  79                                    _e_wid_signal_next, obj);
  80    evas_object_show(o);
  81    e_widget_sub_object_add(obj, o);
  82    e_widget_resize_object_set(obj, o);
  83
  84    o = wd->o_box;
  85    e_box_orientation_set(o, 1);
  86    e_box_homogenous_set(o, 1);
  87    e_scrollframe_child_set(wd->o_base, o);
  88    e_widget_sub_object_add(obj, o);
  89    evas_object_show(o);
  90
  91    edje_object_size_min_calc(e_scrollframe_edje_object_get(wd->o_base),
  92                              &mw, &mh);
  93    e_widget_size_min_set(obj, mw, mh);
  94
  95    return obj;
  96 }
  97
  98 EAPI const Eina_List *
  99 e_widget_toolbar_items_get(Evas_Object *obj)
 100 {
 101    E_Widget_Data *wd;
 102    if (!obj) return NULL;
 103    if (!(wd = e_widget_data_get(obj))) return NULL;
 104    return wd->items;
 105 }
 106
 107 EAPI unsigned int
 108 e_widget_toolbar_items_count(Evas_Object *obj)
 109 {
 110    E_Widget_Data *wd;
 111    if (!obj) return 0;
 112    if (!(wd = e_widget_data_get(obj))) return 0;
 113    return eina_list_count(wd->items);
 114 }
 115
 116 EAPI const char *
 117 e_widget_toolbar_item_label_get(void *item)
 118 {
 119    Item *it = item;
 120    if (!it) return NULL;
 121    return edje_object_part_text_get(it->o_base, "e.text.label");
 122 }
 123
 124 EAPI void
 125 e_widget_toolbar_item_append(Evas_Object *obj, Evas_Object *icon, const char *label, void (*func) (void *data1, void *data2), const void *data1, const void *data2)
 126 {
 127    E_Widget_Data *wd;
 128    Evas_Object *o;
 129    Item *it;
 130    Evas_Coord mw = 0, mh = 0, vw = 0, vh = 0;
 131
 132    if (!obj) return;
 133    if (!(wd = e_widget_data_get(obj))) return;
 134    o = edje_object_add(evas_object_evas_get(obj));
 135    e_theme_edje_object_set(o, "base/theme/widgets",
 136                            "e/widgets/toolbar/item");
 137    it = E_NEW(Item, 1);
 138    it->o_toolbar = obj;
 139    it->o_base = o;
 140    it->o_icon = icon;
 141    it->func = func;
 142    it->data1 = data1;
 143    it->data2 = data2;
 144    wd->items = eina_list_append(wd->items, it);
 145
 146    edje_object_signal_callback_add(o, "e,action,click", "e",
 147                                    _e_wid_signal_cb1, it);
 148    edje_extern_object_min_size_set(icon, wd->icon_w, wd->icon_h);
 149    edje_object_part_swallow(o, "e.swallow.icon", icon);
 150    evas_object_show(icon);
 151    edje_object_part_text_set(o, "e.text.label", label);
 152    edje_object_size_min_calc(o, &mw, &mh);
 153    e_widget_sub_object_add(obj, o);
 154    e_box_pack_end(wd->o_box, o);
 155    e_box_pack_options_set(o,
 156                           1, 1, /* fill */
 157                           0, 0, /* expand */
 158                           0.5, 0.5, /* align */
 159                           mw, mh, /* min */
 160                           9999, 9999 /* max */
 161                           );
 162    evas_object_show(o);
 163    e_box_size_min_get(wd->o_box, &mw, &mh);
 164    evas_object_resize(wd->o_box, mw, mh);
 165    evas_object_resize(wd->o_base, 500, 500);
 166    e_scrollframe_child_viewport_size_get(wd->o_base, &vw, &vh);
 167    if (wd->scrollable)
 168      e_widget_size_min_set(obj, 500 - vw, mh + (500 - vh));
 169    else
 170      e_widget_size_min_set(obj, mw + (500 - vw), mh + (500 - vh));
 171    evas_object_resize(wd->o_box, mw, mh);
 172 }
 173
 174 EAPI void
 175 e_widget_toolbar_item_remove(Evas_Object *obj, int num)
 176 {
 177    E_Widget_Data *wd;
 178    Item *it;
 179
 180    if (!obj) return;
 181    if (!(wd = e_widget_data_get(obj))) return;
 182    it = eina_list_nth(wd->items, num);
 183    if (it)
 184      {
 185         evas_object_del(it->o_base);
 186         if (it->o_icon) evas_object_del(it->o_icon);
 187         wd->items = eina_list_remove(wd->items, it);
 188         E_FREE(it);
 189      }
 190 }
 191
 192 EAPI void
 193 e_widget_toolbar_item_select(Evas_Object *obj, int num)
 194 {
 195    E_Widget_Data *wd = NULL;
 196    Eina_List *l = NULL;
 197    Item *it = NULL;
 198    int i = 0;
 199
 200    if (!obj) return;
 201    if (!(wd = e_widget_data_get(obj))) return;
 202    EINA_LIST_FOREACH(wd->items, l, it)
 203      {
 204         if (i == num)
 205           {
 206              if (!it->selected) _item_select(it);
 207           }
 208         else
 209           {
 210              if (it->selected) _item_unselect(it);
 211           }
 212         i++;
 213      }
 214 }
 215
 216 EAPI void
 217 e_widget_toolbar_item_label_set(Evas_Object *obj, int num, const char *label)
 218 {
 219    E_Widget_Data *wd = NULL;
 220    Item *it = NULL;
 221
 222    if (!obj) return;
 223    if (!(wd = e_widget_data_get(obj))) return;
 224    it = eina_list_nth(wd->items, num);
 225    if (it)
 226      {
 227         int mw, mh;
 228
 229         edje_object_part_text_set(it->o_base, "e.text.label", label);
 230         edje_object_size_min_calc(it->o_base, &mw, &mh);
 231         e_box_pack_options_set(it->o_base,
 232                                1, 1, /* fill */
 233                                0, 0, /* expand */
 234                                0.5, 0.5, /* align */
 235                                mw, mh, /* min */
 236                                9999, 9999 /* max */
 237                                );
 238      }
 239 }
 240
 241 EAPI void
 242 e_widget_toolbar_scrollable_set(Evas_Object *obj, Eina_Bool scrollable)
 243 {
 244    E_Widget_Data *wd;
 245    Evas_Coord mw = 0, mh = 0, vw = 0, vh = 0;
 246
 247    if (!obj) return;
 248    if (!(wd = e_widget_data_get(obj))) return;
 249    wd->scrollable = scrollable;
 250    e_box_size_min_get(wd->o_box, &mw, &mh);
 251    evas_object_resize(wd->o_box, mw, mh);
 252    evas_object_resize(wd->o_base, 500, 500);
 253    e_scrollframe_child_viewport_size_get(wd->o_base, &vw, &vh);
 254    if (wd->scrollable)
 255      e_widget_size_min_set(obj, 500 - vw, mh + (500 - vh));
 256    else
 257      e_widget_size_min_set(obj, mw + (500 - vw), mh + (500 - vh));
 258    evas_object_resize(wd->o_box, mw, mh);
 259 }
 260
 261 EAPI void
 262 e_widget_toolbar_focus_steal_set(Evas_Object *obj, Eina_Bool steal)
 263 {
 264    E_Widget_Data *wd;
 265
 266    if (!obj) return;
 267    if (!(wd = e_widget_data_get(obj))) return;
 268    if (wd->focus_steal == steal) return;
 269    if (steal)
 270      {
 271         evas_object_event_callback_add(e_scrollframe_edje_object_get(wd->o_base),
 272                                        EVAS_CALLBACK_MOUSE_DOWN,
 273                                        _e_wid_focus_steal, obj);
 274         wd->focus_steal = EINA_TRUE;
 275      }
 276    else
 277      {
 278         evas_object_event_callback_del(e_scrollframe_edje_object_get(wd->o_base),
 279                                        EVAS_CALLBACK_MOUSE_DOWN,
 280                                        _e_wid_focus_steal);
 281         wd->focus_steal = EINA_FALSE;
 282      }
 283 }
 284
 285 EAPI void
 286 e_widget_toolbar_clear(Evas_Object *obj)
 287 {
 288    E_Widget_Data *wd = NULL;
 289    Item *it = NULL;
 290
 291    if (!obj) return;
 292    if (!(wd = e_widget_data_get(obj))) return;
 293    EINA_LIST_FREE(wd->items, it)
 294      {
 295         evas_object_del(it->o_base);
 296         if (it->o_icon) evas_object_del(it->o_icon);
 297         E_FREE(it);
 298      }
 299 }
 300
 301 EAPI int
 302 e_widget_toolbar_item_selected_get(Evas_Object *obj)
 303 {
 304    E_Widget_Data *wd = NULL;
 305    Eina_List *l = NULL;
 306    Item *it = NULL;
 307    int i = 0;
 308
 309    if (!obj) return 0;
 310    if (!(wd = e_widget_data_get(obj))) return 0;
 311    EINA_LIST_FOREACH(wd->items, l, it)
 312      {
 313         if (it->selected) return i;
 314         i++;
 315      }
 316    return 0;
 317 }
 318
 319 /* local functions */
 320 static void
 321 _e_wid_del_hook(Evas_Object *obj)
 322 {
 323    E_Widget_Data *wd;
 324    Item *it;
 325
 326    if (!obj) return;
 327    if (!(wd = e_widget_data_get(obj))) return;
 328    EINA_LIST_FREE(wd->items, it)
 329      {
 330         evas_object_del(it->o_base);
 331         if (it->o_icon) evas_object_del(it->o_icon);
 332         E_FREE(it);
 333      }
 334    E_FREE(wd);
 335 }
 336
 337 static void
 338 _e_wid_disable_hook(Evas_Object *obj)
 339 {
 340    E_Widget_Data *wd;
 341
 342    if (!obj) return;
 343    if (!(wd = e_widget_data_get(obj))) return;
 344    if (e_widget_disabled_get(obj))
 345      edje_object_signal_emit(e_scrollframe_edje_object_get(wd->o_base),
 346                              "e,state,disabled", "e");
 347    else
 348      edje_object_signal_emit(e_scrollframe_edje_object_get(wd->o_base),
 349                              "e,state,enabled", "e");
 350 }
 351
 352 static void
 353 _e_wid_signal_cb1(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 354 {
 355    Item *it, *it2;
 356    E_Widget_Data *wd;
 357    Eina_List *l;
 358
 359    if (!(it = data)) return;
 360    if (it->selected) return;
 361    wd = e_widget_data_get(it->o_toolbar);
 362    EINA_LIST_FOREACH(wd->items, l, it2)
 363      {
 364         if (it2->selected)
 365           {
 366              _item_unselect(it2);
 367              break;
 368           }
 369      }
 370    _item_select(it);
 371 }
 372
 373 static void
 374 _e_wid_signal_prev(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 375 {
 376    E_Widget_Data *wd;
 377    Eina_List *l, *l2;
 378    Item *it = NULL, *it2 = NULL;
 379
 380    if (!(wd = e_widget_data_get(data))) return;
 381    if ((!wd->o_base) || (!wd->o_box)) return;
 382    EINA_LIST_FOREACH(wd->items, l, it)
 383      {
 384         if (it->selected)
 385           {
 386              l2 = eina_list_prev(l);
 387              if (l2) it2 = eina_list_data_get(l2);
 388              break;
 389           }
 390      }
 391    if ((it) && (it2) && (it != it2))
 392      {
 393         _item_unselect(it);
 394         _item_select(it2);
 395      }
 396 }
 397
 398 static void
 399 _e_wid_signal_next(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 400 {
 401    E_Widget_Data *wd;
 402    Eina_List *l, *l2;
 403    Item *it = NULL, *it2 = NULL;
 404
 405    if (!(wd = e_widget_data_get(data))) return;
 406    if ((!wd->o_base) || (!wd->o_box)) return;
 407    EINA_LIST_FOREACH(wd->items, l, it)
 408      {
 409         if (it->selected)
 410           {
 411              l2 = eina_list_next(l);
 412              if (l2) it2 = eina_list_data_get(l2);
 413              break;
 414           }
 415      }
 416    if ((it) && (it2) && (it != it2))
 417      {
 418         _item_unselect(it);
 419         _item_select(it2);
 420      }
 421 }
 422
 423 static void
 424 _e_wid_cb_scrollframe_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 425 {
 426    E_Widget_Data *wd;
 427    Evas_Coord mw, mh, vw, vh, w, h;
 428    Eina_List *l;
 429    Item *it;
 430
 431    if (!(wd = e_widget_data_get(data))) return;
 432    if ((!wd->o_base) || (!wd->o_box)) return;
 433
 434    e_scrollframe_child_viewport_size_get(wd->o_base, &vw, &vh);
 435    e_box_size_min_get(wd->o_box, &mw, &mh);
 436    evas_object_geometry_get(wd->o_box, NULL, NULL, &w, &h);
 437    if (vw >= mw)
 438      {
 439         if (w != vw) evas_object_resize(wd->o_box, vw, h);
 440      }
 441    EINA_LIST_FOREACH(wd->items, l, it)
 442      {
 443         if (it->selected)
 444           {
 445              _item_show(it);
 446              break;
 447           }
 448      }
 449 }
 450
 451 static void
 452 _e_wid_cb_key_down(void *data, Evas *evas __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
 453 {
 454    Evas_Event_Key_Down *ev;
 455    E_Widget_Data *wd;
 456    Eina_List *l, *l2;
 457    Item *it = NULL, *it2 = NULL;
 458
 459    ev = event_info;
 460    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return;
 461    wd = e_widget_data_get(data);
 462    if ((!strcmp(ev->keyname, "Up")) || (!strcmp(ev->keyname, "KP_Up")) ||
 463        (!strcmp(ev->keyname, "Left")) || (!strcmp(ev->keyname, "KP_Left")))
 464      {
 465         EINA_LIST_FOREACH(wd->items, l, it)
 466           {
 467              if (it->selected)
 468                {
 469                   l2 = eina_list_prev(l);
 470                   if (l2) it2 = eina_list_data_get(l2);
 471                   break;
 472                }
 473           }
 474      }
 475    else if ((!strcmp(ev->keyname, "Down")) ||
 476             (!strcmp(ev->keyname, "KP_Down")) ||
 477             (!strcmp(ev->keyname, "Right")) ||
 478             (!strcmp(ev->keyname, "KP_Right")))
 479      {
 480         EINA_LIST_FOREACH(wd->items, l, it)
 481           {
 482              if (it->selected)
 483                {
 484                   l2 = eina_list_next(l);
 485                   if (l2) it2 = eina_list_data_get(l2);
 486                   break;
 487                }
 488           }
 489      }
 490    else if ((!strcmp(ev->keyname, "Home")) ||
 491             (!strcmp(ev->keyname, "KP_Home")))
 492      {
 493         EINA_LIST_FOREACH(wd->items, l, it)
 494           {
 495              if (it->selected)
 496                {
 497                   it2 = eina_list_data_get(wd->items);
 498                   break;
 499                }
 500           }
 501      }
 502    else if ((!strcmp(ev->keyname, "End")) || (!strcmp(ev->keyname, "KP_End")))
 503      {
 504         EINA_LIST_FOREACH(wd->items, l, it)
 505           {
 506              if (it->selected)
 507                {
 508                   it2 = eina_list_data_get(eina_list_last(wd->items));
 509                   break;
 510                }
 511           }
 512      }
 513    if ((it) && (it2) && (it != it2))
 514      {
 515         _item_unselect(it);
 516         _item_select(it2);
 517      }
 518 }
 519
 520 static void
 521 _e_wid_focus_hook(Evas_Object *obj)
 522 {
 523    E_Widget_Data *wd;
 524
 525    if (!obj) return;
 526    if (!(wd = e_widget_data_get(obj))) return;
 527    if (e_widget_focus_get(obj))
 528      {
 529         edje_object_signal_emit(wd->o_base, "e,state,focused", "e");
 530         evas_object_focus_set(obj, EINA_TRUE);
 531      }
 532    else
 533      {
 534         edje_object_signal_emit(wd->o_base, "e,state,unfocused", "e");
 535         evas_object_focus_set(obj, EINA_FALSE);
 536      }
 537 }
 538
 539 static void
 540 _e_wid_focus_steal(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 541 {
 542    e_widget_focus_steal(data);
 543 }
 544
 545 static void
 546 _item_show(Item *it)
 547 {
 548    E_Widget_Data *wd;
 549    Evas_Coord x, y, w, h, bx, by;
 550
 551    wd = e_widget_data_get(it->o_toolbar);
 552    evas_object_geometry_get(wd->o_box, &bx, &by, NULL, NULL);
 553    evas_object_geometry_get(it->o_base, &x, &y, &w, &h);
 554    e_scrollframe_child_region_show(wd->o_base, x - bx, y - by, w, h);
 555 }
 556
 557 static void
 558 _item_select(Item *it)
 559 {
 560    it->selected = EINA_TRUE;
 561    edje_object_signal_emit(it->o_base, "e,state,selected", "e");
 562    if (it->o_icon)
 563      {
 564         if (strcmp(evas_object_type_get(it->o_icon), "e_icon"))
 565           edje_object_signal_emit(it->o_icon, "e,state,selected", "e");
 566         else
 567           e_icon_selected_set(it->o_icon, EINA_TRUE);
 568      }
 569    _item_show(it);
 570    if (it->func) it->func((void *)it->data1, (void *)it->data2);
 571 }
 572
 573 static void
 574 _item_unselect(Item *it)
 575 {
 576    it->selected = EINA_FALSE;
 577    edje_object_signal_emit(it->o_base, "e,state,unselected", "e");
 578    if (it->o_icon)
 579      {
 580         if (strcmp(evas_object_type_get(it->o_icon), "e_icon"))
 581           edje_object_signal_emit(it->o_icon, "e,state,unselected", "e");
 582         else
 583           e_icon_selected_set(it->o_icon, EINA_FALSE);
 584      }
 585 }