apps/root_menu.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Jonathan Gordon
  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 <stdio.h>
  22 #include <stdlib.h>
  23 #include <stdbool.h>
  24 #include "string-extra.h"
  25 #include "config.h"
  26 #include "appevents.h"
  27 #include "menu.h"
  28 #include "root_menu.h"
  29 #include "lang.h"
  30 #include "settings.h"
  31 #include "screens.h"
  32 #include "kernel.h"
  33 #include "debug.h"
  34 #include "misc.h"
  35 #include "rolo.h"
  36 #include "powermgmt.h"
  37 #include "power.h"
  38 #include "talk.h"
  39 #include "audio.h"
  40
  41 #ifdef HAVE_HOTSWAP
  42 #include "storage.h"
  43 #include "dir.h"
  44 #endif
  45 /* gui api */
  46 #include "list.h"
  47 #include "splash.h"
  48 #include "action.h"
  49 #include "yesno.h"
  50 #include "viewport.h"
  51
  52 #include "tree.h"
  53 #if CONFIG_TUNER
  54 #include "radio.h"
  55 #endif
  56 #ifdef HAVE_RECORDING
  57 #include "recording.h"
  58 #endif
  59 #include "wps.h"
  60 #include "bookmark.h"
  61 #include "playlist.h"
  62 #include "playlist_viewer.h"
  63 #include "menus/exported_menus.h"
  64 #ifdef HAVE_RTC_ALARM
  65 #include "rtc.h"
  66 #endif
  67 #ifdef HAVE_TAGCACHE
  68 #include "tagcache.h"
  69 #endif
  70 #include "language.h"
  71 #include "plugin.h"
  72
  73 struct root_items {
  74     int (*function)(void* param);
  75     void* param;
  76     const struct menu_item_ex *context_menu;
  77 };
  78 static int next_screen = GO_TO_ROOT; /* holding info about the upcoming screen
  79                                         * which is the current screen for the
  80                                         * rest of the code after load_screen
  81                                         * is called */
  82 static int last_screen = GO_TO_ROOT; /* unfortunatly needed so we can resume
  83                                         or goto current track based on previous
  84                                         screen */
  85
  86
  87 static char current_track_path[MAX_PATH];
  88 static void rootmenu_track_changed_callback(void* param)
  89 {
  90     struct mp3entry *id3 = (struct mp3entry *)param;
  91     strlcpy(current_track_path, id3->path, MAX_PATH);
  92 }
  93 static int browser(void* param)
  94 {
  95     int ret_val;
  96 #ifdef HAVE_TAGCACHE
  97     struct tree_context* tc = tree_get_context();
  98 #endif
  99     int filter = SHOW_SUPPORTED;
 100     char folder[MAX_PATH] = "/";
 101     /* stuff needed to remember position in file browser */
 102     static char last_folder[MAX_PATH] = "/";
 103     /* and stuff for the database browser */
 104 #ifdef HAVE_TAGCACHE
 105     static int last_db_dirlevel = 0, last_db_selection = 0;
 106 #endif
 107
 108     switch ((intptr_t)param)
 109     {
 110         case GO_TO_FILEBROWSER:
 111             filter = global_settings.dirfilter;
 112             if (global_settings.browse_current &&
 113                     last_screen == GO_TO_WPS &&
 114                     current_track_path[0])
 115             {
 116                 strcpy(folder, current_track_path);
 117             }
 118             else if (!strcmp(last_folder, "/"))
 119             {
 120                 strcpy(folder, global_settings.start_directory);
 121             }
 122             else
 123             {
 124 #ifdef HAVE_HOTSWAP
 125                 bool in_hotswap = false;
 126                 /* handle entering an ejected drive */
 127                 int i;
 128                 for (i = 0; i < NUM_VOLUMES; i++)
 129                 {
 130                     char vol_string[VOL_ENUM_POS + 8];
 131                     if (!storage_removable(i))
 132                         continue;
 133                     /* VOL_NAMES contains a %d */
 134                     snprintf(vol_string, sizeof(vol_string), "/"VOL_NAMES, i);
 135                     /* test whether we would browse the external card */
 136                     if (!storage_present(i) &&
 137                             (strstr(last_folder, vol_string)
 138 #ifdef HAVE_HOTSWAP_STORAGE_AS_MAIN
 139                                                                 || (i == 0)
 140 #endif
 141                                                                 ))
 142                     {   /* leave folder as "/" to avoid crash when trying
 143                          * to access an ejected drive */
 144                         strcpy(folder, "/");
 145                         in_hotswap = true;
 146                         break;
 147                     }
 148                 }
 149                 if (!in_hotswap)
 150 #endif
 151                     strcpy(folder, last_folder);
 152             }
 153         break;
 154 #ifdef HAVE_TAGCACHE
 155         case GO_TO_DBBROWSER:
 156             if (!tagcache_is_usable())
 157             {
 158                 bool reinit_attempted = false;
 159
 160                 /* Now display progress until it's ready or the user exits */
 161                 while(!tagcache_is_usable())
 162                 {
 163                     struct tagcache_stat *stat = tagcache_get_stat();
 164
 165                     /* Allow user to exit */
 166                     if (action_userabort(HZ/2))
 167                         break;
 168
 169                     /* Maybe just needs to reboot due to delayed commit */
 170                     if (stat->commit_delayed)
 171                     {
 172                         splash(HZ*2, ID2P(LANG_PLEASE_REBOOT));
 173                         break;
 174                     }
 175
 176                     /* Check if ready status is known */
 177                     if (!stat->readyvalid)
 178                     {
 179                         splash(0, str(LANG_TAGCACHE_BUSY));
 180                         continue;
 181                     }
 182
 183                     /* Re-init if required */
 184                     if (!reinit_attempted && !stat->ready &&
 185                         stat->processed_entries == 0 && stat->commit_step == 0)
 186                     {
 187                         /* Prompt the user */
 188                         reinit_attempted = true;
 189                         static const char *lines[]={
 190                             ID2P(LANG_TAGCACHE_BUSY), ID2P(LANG_TAGCACHE_FORCE_UPDATE)};
 191                         static const struct text_message message={lines, 2};
 192                         if(gui_syncyesno_run(&message, NULL, NULL) == YESNO_NO)
 193                             break;
 194                         int i;
 195                         FOR_NB_SCREENS(i)
 196                             screens[i].clear_display();
 197
 198                         /* Start initialisation */
 199                         tagcache_rebuild();
 200                     }
 201
 202                     /* Display building progress */
 203                     static long talked_tick = 0;
 204                     if(global_settings.talk_menu &&
 205                        (talked_tick == 0
 206                         || TIME_AFTER(current_tick, talked_tick+7*HZ)))
 207                     {
 208                         talked_tick = current_tick;
 209                         if (stat->commit_step > 0)
 210                         {
 211                             talk_id(LANG_TAGCACHE_INIT, false);
 212                             talk_number(stat->commit_step, true);
 213                             talk_id(VOICE_OF, true);
 214                             talk_number(tagcache_get_max_commit_step(), true);
 215                         } else if(stat->processed_entries)
 216                         {
 217                             talk_number(stat->processed_entries, false);
 218                             talk_id(LANG_BUILDING_DATABASE, true);
 219                         }
 220                     }
 221                     if (stat->commit_step > 0)
 222                     {
 223                         if (lang_is_rtl())
 224                         {
 225                             splashf(0, "[%d/%d] %s", stat->commit_step,
 226                                 tagcache_get_max_commit_step(),
 227                                 str(LANG_TAGCACHE_INIT));
 228                         }
 229                         else
 230                         {
 231                             splashf(0, "%s [%d/%d]", str(LANG_TAGCACHE_INIT),
 232                                 stat->commit_step,
 233                                 tagcache_get_max_commit_step());
 234                         }
 235                     }
 236                     else
 237                     {
 238                         splashf(0, str(LANG_BUILDING_DATABASE),
 239                                    stat->processed_entries);
 240                     }
 241                 }
 242             }
 243             if (!tagcache_is_usable())
 244                 return GO_TO_PREVIOUS;
 245             filter = SHOW_ID3DB;
 246             tc->dirlevel = last_db_dirlevel;
 247             tc->selected_item = last_db_selection;
 248         break;
 249 #endif
 250         case GO_TO_BROWSEPLUGINS:
 251             filter = SHOW_PLUGINS;
 252             strlcpy(folder, PLUGIN_DIR, MAX_PATH);
 253         break;
 254     }
 255     ret_val = rockbox_browse(folder, filter);
 256     switch ((intptr_t)param)
 257     {
 258         case GO_TO_FILEBROWSER:
 259             if (!get_current_file(last_folder, MAX_PATH) ||
 260                 !strchr(&last_folder[1], '/'))
 261             {
 262                 last_folder[0] = '/';
 263                 last_folder[1] = '\0';
 264             }
 265         break;
 266 #ifdef HAVE_TAGCACHE
 267         case GO_TO_DBBROWSER:
 268             last_db_dirlevel = tc->dirlevel;
 269             last_db_selection = tc->selected_item;
 270         break;
 271 #endif
 272     }
 273     return ret_val;
 274 }
 275
 276 static int menu(void* param)
 277 {
 278     (void)param;
 279     return do_menu(NULL, 0, NULL, false);
 280
 281 }
 282 #ifdef HAVE_RECORDING
 283 static int recscrn(void* param)
 284 {
 285     (void)param;
 286     recording_screen(false);
 287     return GO_TO_ROOT;
 288 }
 289 #endif
 290 static int wpsscrn(void* param)
 291 {
 292     int ret_val = GO_TO_PREVIOUS;
 293     (void)param;
 294     if (audio_status())
 295     {
 296         talk_shutup();
 297         ret_val = gui_wps_show();
 298     }
 299     else if ( global_status.resume_index != -1 )
 300     {
 301         DEBUGF("Resume index %X offset %lX\n",
 302                global_status.resume_index,
 303                (unsigned long)global_status.resume_offset);
 304         if (playlist_resume() != -1)
 305         {
 306             playlist_start(global_status.resume_index,
 307                 global_status.resume_offset);
 308             ret_val = gui_wps_show();
 309         }
 310     }
 311     else
 312     {
 313         splash(HZ*2, ID2P(LANG_NOTHING_TO_RESUME));
 314     }
 315     return ret_val;
 316 }
 317 #if CONFIG_TUNER
 318 static int radio(void* param)
 319 {
 320     (void)param;
 321     radio_screen();
 322     return GO_TO_ROOT;
 323 }
 324 #endif
 325
 326 static int playlist_view(void * param)
 327 {
 328     (void)param;
 329     switch (playlist_viewer())
 330     {
 331         case PLAYLIST_VIEWER_MAINMENU:
 332         case PLAYLIST_VIEWER_USB:
 333             return GO_TO_ROOT;
 334         case PLAYLIST_VIEWER_OK:
 335             return GO_TO_PREVIOUS;
 336     }
 337     return GO_TO_PREVIOUS;
 338 }
 339
 340 static int load_bmarks(void* param)
 341 {
 342     (void)param;
 343     if(bookmark_mrb_load())
 344         return GO_TO_WPS;
 345     return GO_TO_PREVIOUS;
 346 }
 347 static int plugins_menu(void* param)
 348 {
 349     (void)param;
 350     MENUITEM_STRINGLIST(plugins_menu_items, ID2P(LANG_PLUGINS), NULL,
 351                         ID2P(LANG_PLUGIN_GAMES),
 352                         ID2P(LANG_PLUGIN_APPS), ID2P(LANG_PLUGIN_DEMOS));
 353     const char *folder;
 354     int retval = GO_TO_PREVIOUS;
 355     int selection = 0, current = 0;
 356     while (retval == GO_TO_PREVIOUS)
 357     {
 358         selection = do_menu(&plugins_menu_items, &current, NULL, false);
 359         switch (selection)
 360         {
 361             case 0:
 362                 folder = PLUGIN_GAMES_DIR;
 363                 break;
 364             case 1:
 365                 folder = PLUGIN_APPS_DIR;
 366                 break;
 367             case 2:
 368                 folder = PLUGIN_DEMOS_DIR;
 369                 break;
 370             default:
 371                 return selection;
 372         }
 373         retval = rockbox_browse(folder, SHOW_PLUGINS);
 374     }
 375     return retval;
 376 }
 377 int time_screen(void* ignored);
 378
 379 /* These are all static const'd from apps/menus/ *.c
 380    so little hack so we can use them */
 381 extern struct menu_item_ex
 382         file_menu,
 383 #ifdef HAVE_TAGCACHE
 384         tagcache_menu,
 385 #endif
 386         manage_settings,
 387         recording_settings_menu,
 388         radio_settings_menu,
 389         bookmark_settings_menu,
 390         system_menu;
 391 static const struct root_items items[] = {
 392     [GO_TO_FILEBROWSER] =   { browser, (void*)GO_TO_FILEBROWSER, &file_menu},
 393 #ifdef HAVE_TAGCACHE
 394     [GO_TO_DBBROWSER] =     { browser, (void*)GO_TO_DBBROWSER, &tagcache_menu },
 395 #endif
 396     [GO_TO_WPS] =           { wpsscrn, NULL, &playback_settings },
 397     [GO_TO_MAINMENU] =      { menu, NULL, &manage_settings },
 398
 399 #ifdef HAVE_RECORDING
 400     [GO_TO_RECSCREEN] =     {  recscrn, NULL, &recording_settings_menu },
 401 #endif
 402
 403 #if CONFIG_TUNER
 404     [GO_TO_FM] =            { radio, NULL, &radio_settings_menu },
 405 #endif
 406
 407     [GO_TO_RECENTBMARKS] =  { load_bmarks, NULL, &bookmark_settings_menu },
 408     [GO_TO_BROWSEPLUGINS] = { plugins_menu, NULL, NULL },
 409     [GO_TO_PLAYLIST_VIEWER] = { playlist_view, NULL, NULL },
 410
 411 };
 412 static const int nb_items = sizeof(items)/sizeof(*items);
 413
 414 static int item_callback(int action, const struct menu_item_ex *this_item) ;
 415
 416 MENUITEM_RETURNVALUE(file_browser, ID2P(LANG_DIR_BROWSER), GO_TO_FILEBROWSER,
 417                         NULL, Icon_file_view_menu);
 418 #ifdef HAVE_TAGCACHE
 419 MENUITEM_RETURNVALUE(db_browser, ID2P(LANG_TAGCACHE), GO_TO_DBBROWSER,
 420                         NULL, Icon_Audio);
 421 #endif
 422 MENUITEM_RETURNVALUE(rocks_browser, ID2P(LANG_PLUGINS), GO_TO_BROWSEPLUGINS,
 423                         NULL, Icon_Plugin);
 424 static char *get_wps_item_name(int selected_item, void * data, char *buffer)
 425 {
 426     (void)selected_item; (void)data; (void)buffer;
 427     if (audio_status())
 428         return ID2P(LANG_NOW_PLAYING);
 429     return ID2P(LANG_RESUME_PLAYBACK);
 430 }
 431 MENUITEM_RETURNVALUE_DYNTEXT(wps_item, GO_TO_WPS, NULL, get_wps_item_name,
 432                                 NULL, NULL, Icon_Playback_menu);
 433 #ifdef HAVE_RECORDING
 434 MENUITEM_RETURNVALUE(rec, ID2P(LANG_RECORDING), GO_TO_RECSCREEN,
 435                         NULL, Icon_Recording);
 436 #endif
 437 #if CONFIG_TUNER
 438 MENUITEM_RETURNVALUE(fm, ID2P(LANG_FM_RADIO), GO_TO_FM,
 439                         item_callback, Icon_Radio_screen);
 440 #endif
 441 MENUITEM_RETURNVALUE(menu_, ID2P(LANG_SETTINGS), GO_TO_MAINMENU,
 442                         NULL, Icon_Submenu_Entered);
 443 MENUITEM_RETURNVALUE(bookmarks, ID2P(LANG_BOOKMARK_MENU_RECENT_BOOKMARKS),
 444                         GO_TO_RECENTBMARKS,  item_callback,
 445                         Icon_Bookmark);
 446 #ifdef HAVE_LCD_CHARCELLS
 447 static int do_shutdown(void)
 448 {
 449 #if CONFIG_CHARGING
 450     if (charger_inserted())
 451         charging_splash();
 452     else
 453 #endif
 454         sys_poweroff();
 455     return 0;
 456 }
 457 MENUITEM_FUNCTION(do_shutdown_item, 0, ID2P(LANG_SHUTDOWN),
 458                   do_shutdown, NULL, NULL, Icon_NOICON);
 459 #endif
 460 MAKE_MENU(root_menu_, ID2P(LANG_ROCKBOX_TITLE),
 461             item_callback, Icon_Rockbox,
 462             &bookmarks, &file_browser,
 463 #ifdef HAVE_TAGCACHE
 464             &db_browser,
 465 #endif
 466             &wps_item, &menu_,
 467 #ifdef HAVE_RECORDING
 468             &rec,
 469 #endif
 470 #if CONFIG_TUNER
 471             &fm,
 472 #endif
 473             &playlist_options, &rocks_browser,  &info_menu
 474
 475 #ifdef HAVE_LCD_CHARCELLS
 476             ,&do_shutdown_item
 477 #endif
 478         );
 479
 480 static int item_callback(int action, const struct menu_item_ex *this_item)
 481 {
 482     switch (action)
 483     {
 484         case ACTION_TREE_STOP:
 485             return ACTION_REDRAW;
 486         case ACTION_REQUEST_MENUITEM:
 487 #if CONFIG_TUNER
 488             if (this_item == &fm)
 489             {
 490                 if (radio_hardware_present() == 0)
 491                     return ACTION_EXIT_MENUITEM;
 492             }
 493             else
 494 #endif
 495                 if (this_item == &bookmarks)
 496             {
 497                 if (global_settings.usemrb == 0)
 498                     return ACTION_EXIT_MENUITEM;
 499             }
 500         break;
 501     }
 502     return action;
 503 }
 504 static int get_selection(int last_screen)
 505 {
 506     int i;
 507     int len = ARRAYLEN(root_menu__);
 508     for(i=0; i < len; i++)
 509     {
 510         if (((root_menu__[i]->flags&MENU_TYPE_MASK) == MT_RETURN_VALUE) &&
 511             (root_menu__[i]->value == last_screen))
 512         {
 513             return i;
 514         }
 515     }
 516     return 0;
 517 }
 518
 519 static inline int load_screen(int screen)
 520 {
 521     /* set the global_status.last_screen before entering,
 522         if we dont we will always return to the wrong screen on boot */
 523     int old_previous = last_screen;
 524     int ret_val;
 525     if (screen <= GO_TO_ROOT)
 526         return screen;
 527     if (screen == old_previous)
 528         old_previous = GO_TO_ROOT;
 529     global_status.last_screen = (char)screen;
 530     status_save();
 531     ret_val = items[screen].function(items[screen].param);
 532     last_screen = screen;
 533     if (ret_val == GO_TO_PREVIOUS)
 534         last_screen = old_previous;
 535     return ret_val;
 536 }
 537 static int load_context_screen(int selection)
 538 {
 539     const struct menu_item_ex *context_menu = NULL;
 540     if ((root_menu__[selection]->flags&MENU_TYPE_MASK) == MT_RETURN_VALUE)
 541     {
 542         int item = root_menu__[selection]->value;
 543         context_menu = items[item].context_menu;
 544     }
 545     /* special cases */
 546     else if (root_menu__[selection] == &info_menu)
 547     {
 548         context_menu = &system_menu;
 549     }
 550
 551     if (context_menu)
 552         return do_menu(context_menu, NULL, NULL, false);
 553     else
 554         return GO_TO_PREVIOUS;
 555 }
 556
 557 #ifdef HAVE_PICTUREFLOW_INTEGRATION
 558 static int load_plugin_screen(char *plug_path)
 559 {
 560     int ret_val;
 561     int old_previous = last_screen;
 562     last_screen = next_screen;
 563     global_status.last_screen = (char)next_screen;
 564     status_save();
 565
 566     switch (plugin_load(plug_path, NULL))
 567     {
 568     case PLUGIN_GOTO_WPS:
 569         ret_val = GO_TO_WPS;
 570         break;
 571     case PLUGIN_OK:
 572         ret_val = audio_status() ? GO_TO_PREVIOUS : GO_TO_ROOT;
 573         break;
 574     default:
 575         ret_val = GO_TO_PREVIOUS;
 576         break;
 577     }
 578
 579     if (ret_val == GO_TO_PREVIOUS)
 580         last_screen = (old_previous == next_screen) ? GO_TO_ROOT : old_previous;
 581     return ret_val;
 582 }
 583 #endif
 584
 585 static int previous_music = GO_TO_WPS;
 586
 587 void previous_music_is_wps(void)
 588 {
 589     previous_music = GO_TO_WPS;
 590 }
 591
 592 int current_screen(void)
 593 {
 594     return next_screen;
 595 }
 596
 597 void root_menu(void)
 598 {
 599     int previous_browser = GO_TO_FILEBROWSER;
 600     int selected = 0;
 601
 602     if (global_settings.start_in_screen == 0)
 603         next_screen = (int)global_status.last_screen;
 604     else next_screen = global_settings.start_in_screen - 2;
 605     add_event(PLAYBACK_EVENT_TRACK_CHANGE, false, rootmenu_track_changed_callback);
 606 #ifdef HAVE_RTC_ALARM
 607     if ( rtc_check_alarm_started(true) )
 608     {
 609         rtc_enable_alarm(false);
 610         next_screen = GO_TO_WPS;
 611 #if CONFIG_TUNER
 612         if (global_settings.alarm_wake_up_screen == ALARM_START_FM)
 613             next_screen = GO_TO_FM;
 614 #endif
 615 #ifdef HAVE_RECORDING
 616         if (global_settings.alarm_wake_up_screen == ALARM_START_REC)
 617         {
 618             recording_start_automatic = true;
 619             next_screen = GO_TO_RECSCREEN;
 620         }
 621 #endif
 622     }
 623 #endif /* HAVE_RTC_ALARM */
 624
 625 #ifdef HAVE_HEADPHONE_DETECTION
 626     if (next_screen == GO_TO_WPS &&
 627         (global_settings.unplug_autoresume && !headphones_inserted() ))
 628             next_screen = GO_TO_ROOT;
 629 #endif
 630
 631     while (true)
 632     {
 633         switch (next_screen)
 634         {
 635             case MENU_ATTACHED_USB:
 636             case MENU_SELECTED_EXIT:
 637                 /* fall through */
 638             case GO_TO_ROOT:
 639                 if (last_screen != GO_TO_ROOT)
 640                     selected = get_selection(last_screen);
 641                 next_screen = do_menu(&root_menu_, &selected, NULL, false);
 642                 if (next_screen != GO_TO_PREVIOUS)
 643                     last_screen = GO_TO_ROOT;
 644                 break;
 645
 646             case GO_TO_PREVIOUS:
 647                 next_screen = last_screen;
 648                 break;
 649
 650             case GO_TO_PREVIOUS_BROWSER:
 651                 next_screen = previous_browser;
 652                 break;
 653
 654             case GO_TO_PREVIOUS_MUSIC:
 655                 next_screen = previous_music;
 656                 break;
 657             case GO_TO_ROOTITEM_CONTEXT:
 658                 next_screen = load_context_screen(selected);
 659                 break;
 660 #ifdef HAVE_PICTUREFLOW_INTEGRATION
 661             case GO_TO_PICTUREFLOW:
 662                 while ( !tagcache_is_usable() )
 663                 {
 664                     splash(0, str(LANG_TAGCACHE_BUSY));
 665                     if ( action_userabort(HZ/5) )
 666                         break;
 667                 }
 668                 {
 669                     char pf_path[MAX_PATH];
 670                     snprintf(pf_path, sizeof(pf_path),
 671                             "%s/pictureflow.rock",
 672                             PLUGIN_DEMOS_DIR);
 673                     next_screen = load_plugin_screen(pf_path);
 674                 }
 675                 previous_browser = GO_TO_PICTUREFLOW;
 676                 break;
 677 #endif
 678             default:
 679                 if (next_screen == GO_TO_FILEBROWSER
 680 #ifdef HAVE_TAGCACHE
 681                     || next_screen == GO_TO_DBBROWSER
 682 #endif
 683                    )
 684                     previous_browser = next_screen;
 685                 if (next_screen == GO_TO_WPS
 686 #if CONFIG_TUNER
 687                     || next_screen == GO_TO_FM
 688 #endif
 689                    )
 690                     previous_music = next_screen;
 691                 next_screen = load_screen(next_screen);
 692                 break;
 693         } /* switch() */
 694     }
 695 }