apps/filetree.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 by Björn Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdlib.h>
  22 #include <file.h>
  23 #include <dir.h>
  24 #include <string.h>
  25 #include <kernel.h>
  26 #include <lcd.h>
  27 #include <debug.h>
  28 #include <font.h>
  29 #include <limits.h>
  30 #include "bookmark.h"
  31 #include "tree.h"
  32 #include "settings.h"
  33 #include "filetypes.h"
  34 #include "talk.h"
  35 #include "playlist.h"
  36 #include "lang.h"
  37 #include "language.h"
  38 #include "screens.h"
  39 #include "plugin.h"
  40 #include "rolo.h"
  41 #include "sprintf.h"
  42 #include "splash.h"
  43 #include "cuesheet.h"
  44 #include "filetree.h"
  45 #include "misc.h"
  46 #include "strnatcmp.h"
  47 #ifdef HAVE_LCD_BITMAP
  48 #include "keyboard.h"
  49 #endif
  50
  51 #if CONFIG_TUNER
  52 #include "radio.h"
  53 #endif
  54 #include "wps.h"
  55
  56 static int compare_sort_dir; /* qsort key for sorting directories */
  57
  58 int ft_build_playlist(struct tree_context* c, int start_index)
  59 {
  60     int i;
  61     int start=start_index;
  62
  63     struct entry *dircache = c->dircache;
  64
  65     for(i = 0;i < c->filesindir;i++)
  66     {
  67         if((dircache[i].attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
  68         {
  69             if (playlist_add(dircache[i].name) < 0)
  70                 break;
  71         }
  72         else
  73         {
  74             /* Adjust the start index when se skip non-MP3 entries */
  75             if(i < start)
  76                 start_index--;
  77         }
  78     }
  79
  80     return start_index;
  81 }
  82
  83 /* Start playback of a playlist, checking for bookmark autoload, modified
  84  * playlists, etc., as required. Returns false if playback wasn't started,
  85  * or started via bookmark autoload, true otherwise.
  86  *
  87  * Pointers to both the full pathname and the separated parts needed to
  88  * avoid allocating yet another path buffer on the stack (and save some
  89  * code; the caller typically needs to create the full pathname anyway)...
  90  */
  91 bool ft_play_playlist(char* pathname, char* dirname, char* filename)
  92 {
  93     if (global_settings.party_mode && audio_status())
  94     {
  95         splash(HZ, ID2P(LANG_PARTY_MODE));
  96         return false;
  97     }
  98
  99     if (bookmark_autoload(pathname))
 100     {
 101         return false;
 102     }
 103
 104     splash(0, ID2P(LANG_WAIT));
 105
 106     /* about to create a new current playlist...
 107        allow user to cancel the operation */
 108     if (!warn_on_pl_erase())
 109         return false;
 110
 111     if (playlist_create(dirname, filename) != -1)
 112     {
 113         if (global_settings.playlist_shuffle)
 114         {
 115             playlist_shuffle(current_tick, -1);
 116         }
 117
 118         playlist_start(0, 0);
 119         return true;
 120     }
 121
 122     return false;
 123 }
 124
 125 /* walk a directory and check all dircache entries if a .talk file exists */
 126 static void check_file_thumbnails(struct tree_context* c)
 127 {
 128     int i;
 129     struct dirent *entry;
 130     struct entry* dircache = c->dircache;
 131     DIR *dir;
 132
 133     dir = opendir(c->currdir);
 134     if(!dir)
 135         return;
 136     /* mark all files as non talking, except the .talk ones */
 137     for (i=0; i < c->filesindir; i++)
 138     {
 139         if (dircache[i].attr & ATTR_DIRECTORY)
 140             continue; /* we're not touching directories */
 141
 142         if (strcasecmp(file_thumbnail_ext,
 143             &dircache[i].name[strlen(dircache[i].name)
 144                               - strlen(file_thumbnail_ext)]))
 145         {   /* no .talk file */
 146             dircache[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
 147         }
 148         else
 149         {   /* .talk file, we later let them speak themselves */
 150             dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
 151         }
 152     }
 153
 154     while((entry = readdir(dir)) != 0) /* walk directory */
 155     {
 156         int ext_pos;
 157
 158         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 159         if (ext_pos <= 0 /* too short to carry ".talk" */
 160             || (entry->attribute & ATTR_DIRECTORY) /* no file */
 161             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 162         {   /* or doesn't end with ".talk", no candidate */
 163             continue;
 164         }
 165
 166         /* terminate the (disposable) name in dir buffer,
 167            this truncates off the ".talk" without needing an extra buffer */
 168         entry->d_name[ext_pos] = '\0';
 169
 170         /* search corresponding file in dir cache */
 171         for (i=0; i < c->filesindir; i++)
 172         {
 173             if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
 174             {   /* match */
 175                 dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
 176                 break; /* exit search loop, because we found it */
 177             }
 178         }
 179     }
 180     closedir(dir);
 181 }
 182
 183 /* support function for qsort() */
 184 static int compare(const void* p1, const void* p2)
 185 {
 186     struct entry* e1 = (struct entry*)p1;
 187     struct entry* e2 = (struct entry*)p2;
 188     int criteria;
 189
 190     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 191     {   /* two directories */
 192         criteria = compare_sort_dir;
 193
 194 #ifdef HAVE_MULTIVOLUME
 195         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 196         {   /* a volume identifier is involved */
 197             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 198                 criteria = SORT_ALPHA; /* two volumes: sort alphabetically */
 199             else /* only one is a volume: volume first */
 200                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 201         }
 202 #endif
 203
 204     }
 205     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 206     {   /* two files */
 207         criteria = global_settings.sort_file;
 208     }
 209     else /* dir and file, dir goes first */
 210         return (e2->attr & ATTR_DIRECTORY) - (e1->attr & ATTR_DIRECTORY);
 211
 212     switch(criteria)
 213     {
 214         case SORT_TYPE:
 215         case SORT_TYPE_REVERSED:
 216         {
 217             int t1 = e1->attr & FILE_ATTR_MASK;
 218             int t2 = e2->attr & FILE_ATTR_MASK;
 219
 220             if (!t1) /* unknown type */
 221                 t1 = INT_MAX; /* gets a high number, to sort after known */
 222             if (!t2) /* unknown type */
 223                 t2 = INT_MAX; /* gets a high number, to sort after known */
 224
 225             if (t1 != t2) /* if different */
 226                 return (t1 - t2) * (criteria == SORT_TYPE_REVERSED ? -1 : 1);
 227             /* else fall through to alphabetical sorting */
 228         }
 229
 230         case SORT_DATE:
 231         case SORT_DATE_REVERSED:
 232             /* Ignore SORT_TYPE */
 233             if (criteria == SORT_DATE || criteria == SORT_DATE_REVERSED)
 234             {
 235                 if (e1->time_write != e2->time_write)
 236                     return (e1->time_write - e2->time_write)
 237                            * (criteria == SORT_DATE_REVERSED ? -1 : 1);
 238                 /* else fall through to alphabetical sorting */
 239             }
 240
 241         case SORT_ALPHA:
 242         case SORT_ALPHA_REVERSED:
 243         {
 244             if (global_settings.sort_case)
 245             {
 246                 if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
 247                     return strnatcmp(e1->name, e2->name)
 248                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 249                 else
 250                     return strncmp(e1->name, e2->name, MAX_PATH)
 251                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 252             }
 253             else
 254             {
 255                 if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
 256                     return strnatcasecmp(e1->name, e2->name)
 257                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 258                 else
 259                     return strncasecmp(e1->name, e2->name, MAX_PATH)
 260                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 261             }
 262         }
 263
 264     }
 265     return 0; /* never reached */
 266 }
 267
 268 /* load and sort directory into dircache. returns NULL on failure. */
 269 int ft_load(struct tree_context* c, const char* tempdir)
 270 {
 271     int i;
 272     int name_buffer_used = 0;
 273     DIR *dir;
 274
 275     if (tempdir)
 276         dir = opendir(tempdir);
 277     else
 278         dir = opendir(c->currdir);
 279     if(!dir)
 280         return -1; /* not a directory */
 281
 282     c->dirsindir = 0;
 283     c->dirfull = false;
 284
 285     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 286         int len;
 287         struct dirent *entry = readdir(dir);
 288         struct entry* dptr =
 289             (struct entry*)(c->dircache + i * sizeof(struct entry));
 290         if (!entry)
 291             break;
 292
 293         len = strlen((char *)entry->d_name);
 294
 295         /* skip directories . and .. */
 296         if ((entry->attribute & ATTR_DIRECTORY) &&
 297             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 298              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 299             i--;
 300             continue;
 301         }
 302
 303         /* Skip FAT volume ID */
 304         if (entry->attribute & ATTR_VOLUME_ID) {
 305             i--;
 306             continue;
 307         }
 308
 309         /* filter out dotfiles and hidden files */
 310         if (*c->dirfilter != SHOW_ALL &&
 311             ((entry->d_name[0]=='.') ||
 312             (entry->attribute & ATTR_HIDDEN))) {
 313             i--;
 314             continue;
 315         }
 316
 317         dptr->attr = entry->attribute;
 318
 319         /* check for known file types */
 320         if ( !(dptr->attr & ATTR_DIRECTORY) )
 321             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 322
 323         /* filter out non-visible files */
 324         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 325             (*c->dirfilter == SHOW_PLAYLIST &&
 326              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 327             ((*c->dirfilter == SHOW_MUSIC &&
 328              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 329              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 330             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 331             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 332 #ifdef HAVE_LCD_BITMAP
 333             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 334             (*c->dirfilter == SHOW_SBS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_SBS) ||
 335 #endif
 336 #ifdef HAVE_REMOTE_LCD
 337             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 338             (*c->dirfilter == SHOW_RSBS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RSBS) ||
 339 #endif
 340 #if CONFIG_TUNER
 341             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 342 #endif
 343             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 344             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 345             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 346             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK &&
 347                                               (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LUA))
 348         {
 349             i--;
 350             continue;
 351         }
 352
 353         if (len > c->name_buffer_size - name_buffer_used - 1) {
 354             /* Tell the world that we ran out of buffer space */
 355             c->dirfull = true;
 356             break;
 357         }
 358         dptr->name = &c->name_buffer[name_buffer_used];
 359         dptr->time_write =
 360             (long)entry->wrtdate<<16 |
 361             (long)entry->wrttime; /* in one # */
 362         strcpy(dptr->name, (char *)entry->d_name);
 363         name_buffer_used += len + 1;
 364
 365         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 366             c->dirsindir++;
 367     }
 368     c->filesindir = i;
 369     c->dirlength = i;
 370     closedir(dir);
 371
 372     compare_sort_dir = c->sort_dir;
 373     qsort(c->dircache,i,sizeof(struct entry),compare);
 374
 375     /* If thumbnail talking is enabled, make an extra run to mark files with
 376        associated thumbnails, so we don't do unsuccessful spinups later. */
 377     if (global_settings.talk_file_clip)
 378         check_file_thumbnails(c); /* map .talk to ours */
 379
 380     return 0;
 381 }
 382
 383 int ft_enter(struct tree_context* c)
 384 {
 385     int rc = 0;
 386     char buf[MAX_PATH];
 387     struct entry *dircache = c->dircache;
 388     struct entry* file = &dircache[c->selected_item];
 389     bool reload_dir = false;
 390     bool start_wps = false;
 391     bool exit_func = false;
 392
 393     if (c->currdir[1])
 394         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 395     else
 396         snprintf(buf,sizeof(buf),"/%s",file->name);
 397
 398     if (file->attr & ATTR_DIRECTORY) {
 399         memcpy(c->currdir, buf, sizeof(c->currdir));
 400         if ( c->dirlevel < MAX_DIR_LEVELS )
 401             c->selected_item_history[c->dirlevel] = c->selected_item;
 402         c->dirlevel++;
 403         c->selected_item=0;
 404     }
 405     else {
 406         int seed = current_tick;
 407         bool play = false;
 408         int start_index=0;
 409
 410         switch ( file->attr & FILE_ATTR_MASK ) {
 411             case FILE_ATTR_M3U:
 412                 play = ft_play_playlist(buf, c->currdir, file->name);
 413
 414                 if (play)
 415                 {
 416                     start_index = 0;
 417                 }
 418
 419                 break;
 420
 421             case FILE_ATTR_AUDIO:
 422                 if (bookmark_autoload(c->currdir))
 423                     break;
 424
 425                 splash(0, ID2P(LANG_WAIT));
 426
 427                 /* about to create a new current playlist...
 428                    allow user to cancel the operation */
 429                 if (!warn_on_pl_erase())
 430                     break;
 431
 432                 if (global_settings.party_mode && audio_status())
 433                 {
 434                     playlist_insert_track(NULL, buf,
 435                                           PLAYLIST_INSERT_LAST, true, true);
 436                     splash(HZ, ID2P(LANG_QUEUE_LAST));
 437                 }
 438                 else if (playlist_create(c->currdir, NULL) != -1)
 439                 {
 440                     start_index = ft_build_playlist(c, c->selected_item);
 441                     if (global_settings.playlist_shuffle)
 442                     {
 443                         start_index = playlist_shuffle(seed, start_index);
 444
 445                         /* when shuffling dir.: play all files
 446                            even if the file selected by user is
 447                            not the first one */
 448                         if (!global_settings.play_selected)
 449                             start_index = 0;
 450                     }
 451
 452                     playlist_start(start_index, 0);
 453                     play = true;
 454                 }
 455                 break;
 456
 457 #if CONFIG_TUNER
 458                 /* fmr preset file */
 459             case FILE_ATTR_FMR:
 460                 splash(0, ID2P(LANG_WAIT));
 461
 462                 /* Preset inside the default folder. */
 463                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 464                 {
 465                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 466                     radio_load_presets(global_settings.fmr_file);
 467                     if(!in_radio_screen())
 468                         radio_screen();
 469                 }
 470                 /*
 471                  * Preset outside default folder, we can choose such only
 472                  * if we are out of the radio screen, so the check for the
 473                  * radio status isn't neccessary
 474                  */
 475                 else
 476                 {
 477                     radio_load_presets(buf);
 478                     radio_screen();
 479                 }
 480
 481                 break;
 482 #endif
 483
 484 #ifdef HAVE_LCD_BITMAP
 485             case FILE_ATTR_SBS:
 486                 splash(0, ID2P(LANG_WAIT));
 487                 set_file(buf, (char *)global_settings.sbs_file,
 488                          MAX_FILENAME);
 489                 global_settings.statusbar = STATUSBAR_CUSTOM;
 490                 settings_apply_skins();
 491                 break;
 492 #endif
 493 #ifdef HAVE_REMOTE_LCD
 494             case FILE_ATTR_RSBS:
 495                 splash(0, ID2P(LANG_WAIT));
 496                 set_file(buf, (char *)global_settings.rsbs_file,
 497                          MAX_FILENAME);
 498                 global_settings.remote_statusbar = STATUSBAR_CUSTOM;
 499                 settings_apply_skins();
 500                 break;
 501 #endif
 502                 /* wps config file */
 503             case FILE_ATTR_WPS:
 504                 splash(0, ID2P(LANG_WAIT));
 505                 set_file(buf, (char *)global_settings.wps_file,
 506                          MAX_FILENAME);
 507                 settings_apply_skins();
 508                 break;
 509
 510 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 511                 /* remote-wps config file */
 512             case FILE_ATTR_RWPS:
 513                 splash(0, ID2P(LANG_WAIT));
 514                 set_file(buf, (char *)global_settings.rwps_file,
 515                          MAX_FILENAME);
 516                 settings_apply_skins();
 517                 break;
 518 #endif
 519
 520             case FILE_ATTR_CFG:
 521                 splash(0, ID2P(LANG_WAIT));
 522                 if (!settings_load_config(buf,true))
 523                     break;
 524                 splash(HZ, ID2P(LANG_SETTINGS_LOADED));
 525                 break;
 526
 527             case FILE_ATTR_BMARK:
 528                 splash(0, ID2P(LANG_WAIT));
 529                 bookmark_load(buf, false);
 530                 reload_dir = true;
 531                 break;
 532
 533             case FILE_ATTR_LNG:
 534                 splash(0, ID2P(LANG_WAIT));
 535                 if (lang_core_load(buf))
 536                 {
 537                     splash(HZ, ID2P(LANG_FAILED));
 538                     break;
 539                 }
 540                 set_file(buf, (char *)global_settings.lang_file,
 541                         MAX_FILENAME);
 542                 talk_init(); /* use voice of same language */
 543                 viewportmanager_theme_changed(THEME_LANGUAGE);
 544                 settings_apply_skins();
 545                 splash(HZ, ID2P(LANG_LANGUAGE_LOADED));
 546                 break;
 547
 548 #ifdef HAVE_LCD_BITMAP
 549             case FILE_ATTR_FONT:
 550                 splash(0, ID2P(LANG_WAIT));
 551                 font_load(buf);
 552                 set_file(buf, (char *)global_settings.font_file, MAX_FILENAME);
 553                 break;
 554
 555             case FILE_ATTR_KBD:
 556                 splash(0, ID2P(LANG_WAIT));
 557                 if (!load_kbd(buf))
 558                     splash(HZ, ID2P(LANG_KEYBOARD_LOADED));
 559                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 560                 break;
 561 #endif
 562
 563 #ifndef SIMULATOR
 564                 /* firmware file */
 565             case FILE_ATTR_MOD:
 566                 splash(0, ID2P(LANG_WAIT));
 567                 rolo_load(buf);
 568                 break;
 569 #endif
 570
 571                 /* plugin file */
 572             case FILE_ATTR_ROCK:
 573             case FILE_ATTR_LUA:
 574             {
 575                 char *plugin = buf, *argument = NULL;
 576                 int ret;
 577
 578                 if ((file->attr & FILE_ATTR_MASK) == FILE_ATTR_LUA) {
 579                     plugin = VIEWERS_DIR "/lua.rock"; /* Use a #define here ? */
 580                     argument = buf;
 581                 }
 582
 583                 if (global_settings.party_mode && audio_status()) {
 584                     splash(HZ, ID2P(LANG_PARTY_MODE));
 585                     break;
 586                 }
 587                 ret = plugin_load(plugin, argument);
 588                 switch (ret)
 589                 {
 590                     case PLUGIN_GOTO_WPS:
 591                         play = true;
 592                         break;
 593                     case PLUGIN_USB_CONNECTED:
 594                         if(*c->dirfilter > NUM_FILTER_MODES)
 595                             /* leave sub-browsers after usb, doing
 596                                otherwise might be confusing to the user */
 597                             exit_func = true;
 598                         else
 599                             reload_dir = true;
 600                         break;
 601                     /*
 602                     case PLUGIN_ERROR:
 603                     case PLUGIN_OK:
 604                     */
 605                     default:
 606                         break;
 607                 }
 608                 break;
 609             }
 610             case FILE_ATTR_CUE:
 611                 display_cuesheet_content(buf);
 612                 break;
 613
 614             default:
 615             {
 616                 const char* plugin;
 617
 618                 if (global_settings.party_mode && audio_status()) {
 619                     splash(HZ, ID2P(LANG_PARTY_MODE));
 620                     break;
 621                 }
 622
 623                 plugin = filetype_get_plugin(file);
 624                 if (plugin)
 625                 {
 626                     switch (plugin_load(plugin,buf))
 627                     {
 628                         case PLUGIN_USB_CONNECTED:
 629                             reload_dir = true;
 630                             break;
 631                         case PLUGIN_GOTO_WPS:
 632                             play = true;
 633                             break;
 634                         /*
 635                         case PLUGIN_OK:
 636                         case PLUGIN_ERROR:
 637                         */
 638                         default:
 639                             break;
 640                     }
 641                 }
 642                 break;
 643             }
 644         }
 645
 646         if ( play ) {
 647             /* the resume_index must always be the index in the
 648                shuffled list in case shuffle is enabled */
 649             global_status.resume_index = start_index;
 650             global_status.resume_offset = 0;
 651             status_save();
 652
 653             start_wps = true;
 654         }
 655         else {
 656             if (*c->dirfilter > NUM_FILTER_MODES &&
 657                 *c->dirfilter != SHOW_CFG &&
 658                 *c->dirfilter != SHOW_FONT &&
 659                 *c->dirfilter != SHOW_PLUGINS)
 660             {
 661                 exit_func = true;
 662             }
 663         }
 664     }
 665
 666     if (reload_dir)
 667         rc = 1;
 668     if (start_wps)
 669         rc = 2;
 670     if (exit_func)
 671         rc = 3;
 672
 673     return rc;
 674 }
 675
 676 int ft_exit(struct tree_context* c)
 677 {
 678     extern char lastfile[]; /* from tree.c */
 679     char buf[MAX_PATH];
 680     int rc = 0;
 681     bool exit_func = false;
 682
 683     int i = strlen(c->currdir);
 684     if (i>1) {
 685         while (c->currdir[i-1]!='/')
 686             i--;
 687         strcpy(buf,&c->currdir[i]);
 688         if (i==1)
 689             c->currdir[i]=0;
 690         else
 691             c->currdir[i-1]=0;
 692
 693         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 694             exit_func = true;
 695
 696         c->dirlevel--;
 697         if ( c->dirlevel < MAX_DIR_LEVELS )
 698             c->selected_item=c->selected_item_history[c->dirlevel];
 699         else
 700             c->selected_item=0;
 701
 702         /* if undefined position */
 703         if (c->selected_item == -1)
 704             strcpy(lastfile, buf);
 705     }
 706     else
 707     {
 708         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 709             exit_func = true;
 710     }
 711
 712     if (exit_func)
 713         rc = 3;
 714
 715     return rc;
 716 }