src/modules/fileman/e_fwin_nav.c

   1 #include <e.h>
   2 #include "e_mod_main.h"
   3
   4 typedef struct _Instance Instance;
   5
   6 struct _Instance
   7 {
   8   E_Gadcon_Client *gcc;
   9
  10   E_Toolbar *tbar;
  11
  12   Evas_Object *o_base, *o_box, *o_fm, *o_scroll;
  13
  14   // buttons
  15   Eina_List *l_buttons;
  16   Eina_List *history, *current;
  17   int ignore_dir;
  18
  19   const char *theme;
  20
  21   Ecore_Idle_Enterer *idler;
  22 };
  23
  24
  25 /* local function protos */
  26 static E_Gadcon_Client *_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style);
  27 static void _gc_shutdown(E_Gadcon_Client *gcc);
  28 static void _gc_orient(E_Gadcon_Client *gcc, E_Gadcon_Orient orient);
  29 static const char *_gc_label(E_Gadcon_Client_Class *client_class);
  30 static Evas_Object *_gc_icon(E_Gadcon_Client_Class *client_class, Evas *evas);
  31 static const char *_gc_id_new(E_Gadcon_Client_Class *client_class);
  32 static void _cb_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
  33 static void _cb_key_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
  34 static void _cb_back_click(void *data, Evas_Object *obj, const char *emission, const char *source);
  35 static void _cb_forward_click(void *data, Evas_Object *obj, const char *emission, const char *source);
  36 static void _cb_up_click(void *data, Evas_Object *obj, const char *emission, const char *source);
  37 static void _cb_refresh_click(void *data, Evas_Object *obj, const char *emission, const char *source);
  38 static void _cb_favorites_click(void *data, Evas_Object *obj, const char *emission, const char *source);
  39 static void _cb_changed(void *data, Evas_Object *obj, void *event_info);
  40 static void _cb_dir_changed(void *data, Evas_Object *obj, void *event_info);
  41 static void _cb_button_click(void *data, Evas_Object *obj, const char *emission, const char *source);
  42 static void _cb_scroll_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info);
  43 static void _box_button_append(Instance *inst, const char *label, void (*func)(void *data, Evas_Object *obj, const char *emission, const char *source));
  44
  45 static Eina_List *instances = NULL;
  46 static const char *_nav_mod_dir = NULL;
  47
  48 /* local gadcon functions */
  49 static const E_Gadcon_Client_Class _gc_class =
  50 {
  51    GADCON_CLIENT_CLASS_VERSION, "efm_navigation",
  52      {
  53         _gc_init, _gc_shutdown, _gc_orient, _gc_label, _gc_icon, _gc_id_new, NULL,
  54           e_gadcon_site_is_efm_toolbar
  55      }, E_GADCON_CLIENT_STYLE_PLAIN
  56 };
  57
  58 Eina_Bool
  59 e_fwin_nav_init(void)
  60 {
  61    e_gadcon_provider_register(&_gc_class);
  62
  63    return EINA_TRUE;
  64 }
  65
  66 Eina_Bool
  67 e_fwin_nav_shutdown(void)
  68 {
  69    e_gadcon_provider_unregister(&_gc_class);
  70
  71    return EINA_TRUE;
  72 }
  73
  74 static void _cb_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
  75 {
  76    Instance *inst;
  77    int w, h;
  78
  79    inst = data;
  80    evas_object_geometry_get(inst->gcc->gadcon->o_container, 0, 0, &w, &h);
  81    e_gadcon_client_min_size_set(inst->gcc, w, h);
  82    e_gadcon_client_aspect_set(inst->gcc, w, h);
  83 }
  84
  85 static Eina_Bool
  86 _cb_initial_dir(void *data)
  87 {
  88    Instance *inst = data;
  89
  90    _cb_dir_changed(inst, NULL, NULL);
  91
  92    return ECORE_CALLBACK_CANCEL;
  93 }
  94
  95 static E_Gadcon_Client *
  96 _gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style)
  97 {
  98    Instance *inst = NULL;
  99    char buf[PATH_MAX];
 100    int w, h;
 101    E_Toolbar *tbar;
 102    Eina_List *l;
 103    Evas_Object *o_fm;
 104
 105    tbar = e_gadcon_toolbar_get(gc);
 106    if (!tbar) return NULL;
 107
 108    o_fm = e_toolbar_fm2_get(tbar);
 109    if (!o_fm) return NULL;
 110
 111    /* make sure only one instance exists in toolbar */
 112    EINA_LIST_FOREACH(instances, l, inst)
 113      if (inst->tbar == tbar) return NULL;
 114
 115    inst = E_NEW(Instance, 1);
 116    if (!inst) return NULL;
 117
 118    inst->tbar = tbar;
 119    inst->o_fm = o_fm;
 120
 121    snprintf(buf, sizeof(buf), "%s/e-module-efm_nav.edj", _nav_mod_dir);
 122    inst->theme = eina_stringshare_add(buf);
 123
 124    inst->o_base = edje_object_add(gc->evas);
 125    e_theme_edje_object_set(inst->o_base, "base/theme/modules/efm_navigation",
 126                            "modules/efm_navigation/main");
 127
 128    edje_object_signal_callback_add(inst->o_base, "e,action,back,click", "",
 129                                    _cb_back_click, inst);
 130    edje_object_signal_callback_add(inst->o_base, "e,action,forward,click", "",
 131                                    _cb_forward_click, inst);
 132    edje_object_signal_callback_add(inst->o_base, "e,action,up,click", "",
 133                                    _cb_up_click, inst);
 134    edje_object_signal_callback_add(inst->o_base, "e,action,refresh,click", "",
 135                                    _cb_refresh_click, inst);
 136    edje_object_signal_callback_add(inst->o_base, "e,action,favorites,click", "",
 137                                    _cb_favorites_click, inst);
 138    evas_object_show(inst->o_base);
 139
 140    inst->o_scroll = e_scrollframe_add(gc->evas);
 141    e_scrollframe_custom_theme_set(inst->o_scroll,
 142                                        "base/theme/modules/efm_navigation",
 143                                   "modules/efm_navigation/pathbar_scrollframe");
 144
 145    e_scrollframe_single_dir_set(inst->o_scroll, 1);
 146    e_scrollframe_policy_set(inst->o_scroll, E_SCROLLFRAME_POLICY_AUTO,
 147                             E_SCROLLFRAME_POLICY_OFF);
 148    e_scrollframe_thumbscroll_force(inst->o_scroll, 1);
 149    evas_object_show(inst->o_scroll);
 150
 151    inst->o_box = e_box_add(gc->evas);
 152    e_box_orientation_set(inst->o_box, 1);
 153    e_box_homogenous_set(inst->o_box, 0);
 154    e_scrollframe_child_set(inst->o_scroll, inst->o_box);
 155    evas_object_show(inst->o_box);
 156
 157    evas_object_event_callback_add(inst->o_scroll, EVAS_CALLBACK_RESIZE,
 158                                   _cb_scroll_resize, inst);
 159
 160    edje_object_part_swallow(inst->o_base, "e.swallow.pathbar", inst->o_scroll);
 161
 162    inst->gcc = e_gadcon_client_new(gc, name, id, style, inst->o_base);
 163    inst->gcc->data = inst;
 164
 165    /* add the hooks to get signals from efm */
 166    evas_object_event_callback_add(inst->o_fm, EVAS_CALLBACK_KEY_DOWN,
 167                                   _cb_key_down, inst);
 168    evas_object_smart_callback_add(inst->o_fm, "changed",
 169                                   _cb_changed, inst);
 170    evas_object_smart_callback_add(inst->o_fm, "dir_changed",
 171                                   _cb_dir_changed, inst);
 172
 173    evas_object_event_callback_add(inst->o_base,
 174                                   EVAS_CALLBACK_MOUSE_DOWN,
 175                                   _cb_mouse_down, inst);
 176    if (!inst->gcc->resizable)
 177      {
 178         evas_object_geometry_get(inst->gcc->gadcon->o_container, 0, 0, &w, &h);
 179         e_gadcon_client_min_size_set(inst->gcc, w, h);
 180         e_gadcon_client_aspect_set(inst->gcc, w, h);
 181         evas_object_event_callback_add(inst->gcc->gadcon->o_container,
 182                                        EVAS_CALLBACK_RESIZE,
 183                                        _cb_resize, inst);
 184      }
 185
 186    edje_object_signal_emit(inst->o_base, "e,state,back,disabled", "e");
 187    edje_object_signal_emit(inst->o_base, "e,state,forward,disabled", "e");
 188    edje_object_message_signal_process(inst->o_base);
 189
 190    instances = eina_list_append(instances, inst);
 191
 192    inst->idler = ecore_idle_enterer_add(_cb_initial_dir, inst);
 193
 194    return inst->gcc;
 195 }
 196
 197 static void
 198 _gc_shutdown(E_Gadcon_Client *gcc)
 199 {
 200    Instance *inst = NULL;
 201    const char *s;
 202    Evas_Object *btn;
 203
 204    inst = gcc->data;
 205    if (!inst) return;
 206    instances = eina_list_remove(instances, inst);
 207
 208    evas_object_event_callback_del_full(inst->o_fm,
 209                                        EVAS_CALLBACK_KEY_DOWN,
 210                                        _cb_key_down, inst);
 211
 212    evas_object_smart_callback_del(inst->o_fm, "changed", _cb_changed);
 213    evas_object_smart_callback_del(inst->o_fm, "dir_changed", _cb_dir_changed);
 214
 215    EINA_LIST_FREE(inst->history, s)
 216      eina_stringshare_del(s);
 217
 218    if (gcc->gadcon->o_container)
 219      evas_object_event_callback_del_full(gcc->gadcon->o_container,
 220                                          EVAS_CALLBACK_RESIZE,
 221                                          _cb_resize, inst);
 222
 223    EINA_LIST_FREE(inst->l_buttons, btn)
 224      {
 225         e_box_unpack(btn);
 226         evas_object_del(btn);
 227      }
 228
 229    if (inst->o_base) evas_object_del(inst->o_base);
 230    if (inst->o_box) evas_object_del(inst->o_box);
 231    if (inst->o_scroll) evas_object_del(inst->o_scroll);
 232
 233    eina_stringshare_del(inst->theme);
 234
 235    E_FREE(inst);
 236 }
 237
 238 static void
 239 _gc_orient(E_Gadcon_Client *gcc, E_Gadcon_Orient orient)
 240 {
 241    Instance *inst;
 242
 243    inst = gcc->data;
 244    switch (orient)
 245      {
 246       case E_GADCON_ORIENT_TOP:
 247       case E_GADCON_ORIENT_BOTTOM:
 248          /* e_gadcon_client_aspect_set(gcc, 16 * 4, 16); */
 249         break;
 250       case E_GADCON_ORIENT_LEFT:
 251       case E_GADCON_ORIENT_RIGHT:
 252         /* e_gadcon_client_aspect_set(gcc, 16, 16 * 4); */
 253         break;
 254       default:
 255         break;
 256      }
 257    /* e_gadcon_client_min_size_set(gcc, 16, 16); */
 258 }
 259
 260 static const char *
 261 _gc_label(E_Gadcon_Client_Class *client_class __UNUSED__)
 262 {
 263    return _("EFM Navigation");
 264 }
 265
 266 static Evas_Object *
 267 _gc_icon(E_Gadcon_Client_Class *client_class __UNUSED__, Evas *evas)
 268 {
 269    return e_util_icon_theme_icon_add("system-file-manager", 48, evas);
 270 }
 271
 272 static const char *
 273 _gc_id_new(E_Gadcon_Client_Class *client_class __UNUSED__)
 274 {
 275    char buf[PATH_MAX];
 276
 277    snprintf(buf, sizeof(buf), "%s.%d", _gc_class.name,
 278             (eina_list_count(instances) + 1));
 279    return strdup(buf);
 280 }
 281
 282 /* local functions */
 283 static void
 284 _cb_key_down(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info)
 285 {
 286    Instance *inst;
 287    Evas_Event_Key_Down *ev;
 288
 289    inst = data;
 290    ev = event_info;
 291    if (evas_key_modifier_is_set(ev->modifiers, "Alt"))
 292      {
 293         if (!strcmp(ev->key, "Left"))
 294           _cb_back_click(inst, obj, "e,action,click", "e");
 295         else if (!strcmp(ev->key, "Right"))
 296           _cb_forward_click(inst, obj, "e,action,click", "e");
 297         else if (!strcmp(ev->key, "Up"))
 298           _cb_up_click(inst, obj, "e,action,click", "e");
 299      }
 300    else if (evas_key_modifier_is_set(ev->modifiers, "Control"))
 301      {
 302         if (!strcmp(ev->key, "r"))
 303           _cb_refresh_click(inst, obj, "e,action,click", "e");
 304      }
 305 }
 306
 307 static void
 308 _cb_mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
 309 {
 310    Instance *inst;
 311    Evas_Event_Mouse_Down *ev;
 312    E_Menu *m;
 313    E_Zone *zone;
 314    int x, y;
 315
 316    inst = data;
 317    ev = event_info;
 318    if ((ev->button != 3) || (inst->gcc->menu)) return;
 319    zone = e_util_zone_current_get(e_manager_current_get());
 320
 321    m = e_menu_new();
 322    m = e_gadcon_client_util_menu_items_append(inst->gcc, m, 0);
 323    ecore_x_pointer_xy_get(zone->container->win, &x, &y);
 324    e_menu_activate_mouse(m, zone, x, y, 1, 1,
 325                          E_MENU_POP_DIRECTION_AUTO, ev->timestamp);
 326 }
 327
 328 static void
 329 _cb_back_click(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 330 {
 331    Instance *inst;
 332
 333    inst = data;
 334
 335    if ((!inst->current) || (inst->current == eina_list_last(inst->history))) return;
 336    inst->current = eina_list_next(inst->current);
 337
 338    inst->ignore_dir = 1;
 339    e_fm2_path_set(inst->o_fm, eina_list_data_get(inst->current), "/");
 340 }
 341
 342 static void
 343 _cb_forward_click(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 344 {
 345    Instance *inst;
 346
 347    inst = data;
 348
 349    if ((!inst->current) || (inst->current == inst->history)) return;
 350    inst->current = eina_list_prev(inst->current);
 351
 352    inst->ignore_dir = 1;
 353    e_fm2_path_set(inst->o_fm, eina_list_data_get(inst->current), "/");
 354 }
 355
 356 static void
 357 _cb_refresh_click(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 358 {
 359    Instance *inst;
 360
 361    inst = data;
 362
 363    // Don't destroy forward history when refreshing
 364    inst->ignore_dir = 1;
 365    e_fm2_path_set(inst->o_fm, NULL, e_fm2_real_path_get(inst->o_fm));
 366 }
 367
 368 static void
 369 _cb_up_click(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 370 {
 371    Instance *inst;
 372    char *p, *t;
 373
 374    inst = data;
 375
 376    t = strdup(e_fm2_real_path_get(inst->o_fm));
 377    p = strrchr(t, '/');
 378    if (p)
 379      {
 380         *p = 0;
 381         p = t;
 382         if (p[0] == 0) p = "/";
 383         e_fm2_path_set(inst->o_fm, NULL, p);
 384      }
 385    else
 386      {
 387         edje_object_signal_emit(inst->o_base, "e,state,up,disabled", "e");
 388      }
 389
 390    free(t);
 391 }
 392
 393 static void
 394 _cb_favorites_click(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 395 {
 396    Instance *inst;
 397
 398    inst = data;
 399
 400    e_fm2_path_set(inst->o_fm, "favorites", "/");
 401 }
 402
 403 static void
 404 _cb_changed(void *data, Evas_Object *obj __UNUSED__, void *event_info)
 405 {
 406    Instance *inst;
 407
 408    inst = data;
 409    inst->tbar = event_info;
 410 }
 411
 412 static void
 413 _cb_button_click(void *data, Evas_Object *obj, const char *emission __UNUSED__, const char *source __UNUSED__)
 414 {
 415    Instance *inst = data;
 416    Eina_List *l;
 417    Evas_Object *btn;
 418    char path[PATH_MAX] = "";
 419
 420    EINA_LIST_FOREACH(inst->l_buttons, l, btn)
 421      {
 422         strcat(path, edje_object_part_text_get(btn, "e.text.label"));
 423         if (btn == obj) break;
 424         strcat(path, "/");
 425      }
 426    e_fm2_path_set(inst->o_fm, "/", path);
 427 }
 428
 429 static void
 430 _cb_scroll_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 431 {
 432    Instance *inst = data;
 433    Evas_Coord mw = 0, mh = 0;
 434
 435    evas_object_geometry_get(inst->o_box, NULL, NULL, &mw, NULL);
 436    evas_object_geometry_get(inst->o_scroll, NULL, NULL, NULL, &mh);
 437    evas_object_resize(inst->o_box, mw, mh);
 438 }
 439
 440 static void
 441 _box_button_append(Instance *inst, const char *label, void (*func)(void *data, Evas_Object *obj, const char *emission, const char *source))
 442 {
 443    Evas_Object *o;
 444    Evas_Coord mw = 0, mh = 0;
 445
 446    if (!inst || !label || !*label || !func)
 447      return;
 448
 449    o = edje_object_add(evas_object_evas_get(inst->o_box));
 450
 451    e_theme_edje_object_set(o, "base/theme/modules/efm_navigation",
 452                            "modules/efm_navigation/pathbar_button");
 453
 454    edje_object_signal_callback_add(o, "e,action,click", "", func, inst);
 455    edje_object_part_text_set(o, "e.text.label", label);
 456    edje_object_size_min_calc(o, &mw, &mh);
 457    e_box_pack_end(inst->o_box, o);
 458    evas_object_show(o);
 459    e_box_pack_options_set(o, 1, 0, 0, 0, 0.5, 0.5, mw, mh, 9999, 9999);
 460    e_box_size_min_get(inst->o_box, &mw, NULL);
 461    evas_object_geometry_get(inst->o_scroll, NULL, NULL, NULL, &mh);
 462    evas_object_resize(inst->o_box, mw, mh);
 463
 464    inst->l_buttons = eina_list_append(inst->l_buttons, o);
 465 }
 466
 467 static void
 468 _cb_dir_changed(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 469 {
 470    Instance *inst;
 471    const char *realpath;
 472    char *path, *dir, *p;
 473    Eina_List *l, *ll, *sel = NULL;
 474    Evas_Object *btn;
 475    int mw, sw, changed = 0;
 476
 477    inst = data;
 478
 479    if (!(realpath = e_fm2_real_path_get(inst->o_fm))) return;
 480
 481    /* update pathbar */
 482    if (!inst->l_buttons)
 483      _box_button_append(inst, "/", _cb_button_click);
 484
 485    sel = inst->l_buttons;
 486    l = eina_list_next(sel);
 487    p = path = ecore_file_realpath(realpath);
 488
 489    while (p)
 490      {
 491         dir = strsep(&p, "/");
 492
 493         if (!(*dir)) continue;
 494
 495         if (l && (btn = eina_list_data_get(l)))
 496           {
 497              if (strcmp(dir, edje_object_part_text_get(btn, "e.text.label")))
 498                {
 499                   changed = 1;
 500
 501                   while (l)
 502                     {
 503                        e_box_unpack(btn);
 504                        evas_object_del(btn);
 505                        ll = l;
 506                        l = eina_list_next(l);
 507                        btn = eina_list_data_get(l);
 508
 509                        inst->l_buttons =
 510                          eina_list_remove_list(inst->l_buttons, ll);
 511                     }
 512                }
 513              else
 514                {
 515                   if (!p) sel = l;
 516                   l = eina_list_next(l);
 517                   continue;
 518                }
 519           }
 520
 521         _box_button_append(inst, dir, _cb_button_click);
 522         if (!p) sel = eina_list_last(inst->l_buttons);
 523         changed = 1;
 524      }
 525
 526    free(path);
 527
 528    if (changed)
 529      {
 530         evas_object_geometry_get(inst->o_box, NULL, NULL, &mw, NULL);
 531         edje_object_size_min_calc(e_scrollframe_edje_object_get(inst->o_scroll), &sw, NULL);
 532
 533         evas_object_size_hint_max_set(inst->o_scroll, mw + sw, 32);
 534      }
 535
 536    EINA_LIST_FOREACH(inst->l_buttons, l, btn)
 537      if (l == sel)
 538        edje_object_signal_emit(btn, "e,state,selected", "e");
 539      else
 540        edje_object_signal_emit(btn, "e,state,default", "e");
 541
 542    /* scroll to selected button */
 543    if (sel)
 544      {
 545         Evas_Coord x, y, w, h, xx, yy, ww = 1;
 546         btn = eina_list_data_get(sel);
 547         evas_object_geometry_get(btn, &x, &y, &w, &h);
 548
 549         /* show buttons around selected */
 550         if (sel->next)
 551           {
 552              btn = eina_list_data_get(sel->next);
 553              evas_object_geometry_get(btn, NULL, NULL, &ww, NULL);
 554              w += ww;
 555           }
 556         if (sel->prev)
 557           {
 558              btn = eina_list_data_get(sel->prev);
 559              evas_object_geometry_get(btn, NULL, NULL, &ww, NULL);
 560              x -= ww;
 561              w += ww;
 562           }
 563
 564         evas_object_geometry_get(inst->o_box, &xx, &yy, NULL, NULL);
 565         e_scrollframe_child_region_show(inst->o_scroll, x - xx, y - yy, w, h);
 566      }
 567
 568    /* update history */
 569    if ((!inst->ignore_dir) && (eina_list_data_get(inst->current) != realpath))
 570      {
 571         if (inst->current)
 572           {
 573              while (inst->history != inst->current)
 574                {
 575                   eina_stringshare_del(eina_list_data_get(inst->history));
 576                   inst->history =
 577                     eina_list_remove_list(inst->history, inst->history);
 578                }
 579           }
 580         inst->history =
 581           eina_list_prepend(inst->history, eina_stringshare_ref(realpath));
 582         inst->current = inst->history;
 583      }
 584    inst->ignore_dir = 0;
 585
 586    if (!strcmp(realpath, "/"))
 587      edje_object_signal_emit(inst->o_base, "e,state,up,disabled", "e");
 588    else
 589      edje_object_signal_emit(inst->o_base, "e,state,up,enabled", "e");
 590
 591    if ((!inst->history) || (eina_list_last(inst->history) == inst->current))
 592      edje_object_signal_emit(inst->o_base, "e,state,back,disabled", "e");
 593    else
 594      edje_object_signal_emit(inst->o_base, "e,state,back,enabled", "e");
 595
 596    if ((!inst->history) || (inst->history == inst->current))
 597      edje_object_signal_emit(inst->o_base, "e,state,forward,disabled", "e");
 598    else
 599      edje_object_signal_emit(inst->o_base, "e,state,forward,enabled", "e");
 600 }