apps/gui/gwps.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Jerome Kuptz
  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 <string.h>
  23 #include <stdlib.h>
  24 #include "config.h"
  25
  26 #include "system.h"
  27 #include "file.h"
  28 #include "lcd.h"
  29 #include "font.h"
  30 #include "backlight.h"
  31 #include "action.h"
  32 #include "kernel.h"
  33 #include "filetypes.h"
  34 #include "debug.h"
  35 #include "sprintf.h"
  36 #include "settings.h"
  37 #include "gwps.h"
  38 #include "gwps-common.h"
  39 #include "audio.h"
  40 #include "usb.h"
  41 #include "status.h"
  42 #include "ata.h"
  43 #include "screens.h"
  44 #include "playlist.h"
  45 #ifdef HAVE_LCD_BITMAP
  46 #include "icons.h"
  47 #include "peakmeter.h"
  48 #endif
  49 #include "action.h"
  50 #include "lang.h"
  51 #include "bookmark.h"
  52 #include "misc.h"
  53 #include "sound.h"
  54 #include "onplay.h"
  55 #include "abrepeat.h"
  56 #include "playback.h"
  57 #include "splash.h"
  58 #include "cuesheet.h"
  59 #include "ata_idle_notify.h"
  60 #include "root_menu.h"
  61 #include "backdrop.h"
  62 #include "quickscreen.h"
  63
  64 /* currently only on wps_state is needed */
  65 struct wps_state wps_state;
  66 struct gui_wps gui_wps[NB_SCREENS];
  67 static struct wps_data wps_datas[NB_SCREENS];
  68
  69 /* change the path to the current played track */
  70 static void wps_state_update_ctp(const char *path);
  71 /* initial setup of wps_data  */
  72 static void wps_state_init(void);
  73 /* initial setup of a wps */
  74 static void gui_wps_init(struct gui_wps *gui_wps);
  75 /* connects a wps with a format-description of the displayed content */
  76 static void gui_wps_set_data(struct gui_wps *gui_wps, struct wps_data *data);
  77 /* connects a wps with a screen */
  78 static void gui_wps_set_disp(struct gui_wps *gui_wps, struct screen *display);
  79 /* connects a wps with a statusbar*/
  80 static void gui_wps_set_statusbar(struct gui_wps *gui_wps, struct gui_statusbar *statusbar);
  81
  82 static void prev_track(unsigned skip_thresh)
  83 {
  84     if (!wps_state.id3 || (wps_state.id3->elapsed < skip_thresh*1000)) {
  85         audio_prev();
  86     }
  87     else {
  88         if (cuesheet_is_enabled() && wps_state.id3->cuesheet_type)
  89         {
  90             curr_cuesheet_skip(-1, wps_state.id3->elapsed);
  91             return;
  92         }
  93
  94         if (!wps_state.paused)
  95 #if (CONFIG_CODEC == SWCODEC)
  96             audio_pre_ff_rewind();
  97 #else
  98         audio_pause();
  99 #endif
 100
 101         audio_ff_rewind(0);
 102
 103 #if (CONFIG_CODEC != SWCODEC)
 104         if (!wps_state.paused)
 105             audio_resume();
 106 #endif
 107     }
 108 }
 109
 110 static void next_track(void)
 111 {
 112     /* take care of if we're playing a cuesheet */
 113     if (cuesheet_is_enabled() && wps_state.id3->cuesheet_type)
 114     {
 115         if (curr_cuesheet_skip(1, wps_state.id3->elapsed))
 116         {
 117             /* if the result was false, then we really want
 118                to skip to the next track */
 119             return;
 120         }
 121     }
 122
 123     audio_next();
 124 }
 125
 126
 127 long gui_wps_show(void)
 128 {
 129     long button = 0;
 130     bool restore = false;
 131     long restoretimer = 0; /* timer to delay screen redraw temporarily */
 132     bool exit = false;
 133     bool bookmark = false;
 134     bool update_track = false;
 135     int i;
 136     long last_left = 0, last_right = 0;
 137
 138     wps_state_init();
 139
 140 #ifdef HAVE_LCD_CHARCELLS
 141     status_set_audio(true);
 142     status_set_param(false);
 143 #else
 144 #if LCD_DEPTH > 1
 145     show_wps_backdrop();
 146 #endif /* LCD_DEPTH > 1 */
 147 #endif
 148
 149 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 150     show_remote_wps_backdrop();
 151 #endif
 152
 153 #ifdef AB_REPEAT_ENABLE
 154     ab_repeat_init();
 155     ab_reset_markers();
 156 #endif
 157
 158     if(audio_status() & AUDIO_STATUS_PLAY)
 159     {
 160         wps_state.id3 = audio_current_track();
 161         wps_state.nid3 = audio_next_track();
 162         if (wps_state.id3) {
 163             if (gui_wps_display())
 164                 return 0;
 165             FOR_NB_SCREENS(i)
 166                 gui_wps_refresh(&gui_wps[i], 0, WPS_REFRESH_ALL);
 167             wps_state_update_ctp(wps_state.id3->path);
 168         }
 169
 170         restore = true;
 171     }
 172     while ( 1 )
 173     {
 174         bool audio_paused = (audio_status() & AUDIO_STATUS_PAUSE)?true:false;
 175
 176         /* did someone else (i.e power thread) change audio pause mode? */
 177         if (wps_state.paused != audio_paused) {
 178             wps_state.paused = audio_paused;
 179
 180             /* if another thread paused audio, we are probably in car mode,
 181                about to shut down. lets save the settings. */
 182             if (wps_state.paused) {
 183                 settings_save();
 184 #if !defined(HAVE_RTC_RAM) && !defined(HAVE_SW_POWEROFF)
 185                 call_ata_idle_notifys(true);
 186 #endif
 187             }
 188         }
 189
 190 #ifdef HAVE_LCD_BITMAP
 191         /* when the peak meter is enabled we want to have a
 192             few extra updates to make it look smooth. On the
 193             other hand we don't want to waste energy if it
 194             isn't displayed */
 195         bool pm=false;
 196         FOR_NB_SCREENS(i)
 197         {
 198            if(gui_wps[i].data->peak_meter_enabled)
 199                pm = true;
 200         }
 201
 202         if (pm) {
 203             long next_refresh = current_tick;
 204             long next_big_refresh = current_tick + HZ / 5;
 205             button = BUTTON_NONE;
 206             while (TIME_BEFORE(current_tick, next_big_refresh)) {
 207                 button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,TIMEOUT_NOBLOCK);
 208                 if (button != ACTION_NONE) {
 209                     break;
 210                 }
 211                 peak_meter_peek();
 212                 sleep(0);   /* Sleep until end of current tick. */
 213
 214                 if (TIME_AFTER(current_tick, next_refresh)) {
 215                     FOR_NB_SCREENS(i)
 216                     {
 217                         if(gui_wps[i].data->peak_meter_enabled)
 218                             gui_wps_refresh(&gui_wps[i], 0,
 219                                             WPS_REFRESH_PEAK_METER);
 220                         next_refresh += HZ / PEAK_METER_FPS;
 221                     }
 222                 }
 223             }
 224
 225         }
 226
 227         /* The peak meter is disabled
 228            -> no additional screen updates needed */
 229         else {
 230             button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,HZ/5);
 231         }
 232 #else
 233         button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,HZ/5);
 234 #endif
 235
 236         /* Exit if audio has stopped playing. This can happen if using the
 237            sleep timer with the charger plugged or if starting a recording
 238            from F1 */
 239         if (!audio_status())
 240             exit = true;
 241 #ifdef ACTION_WPSAB_SINGLE
 242         if (!global_settings.party_mode && ab_repeat_mode_enabled())
 243         {
 244             static int wps_ab_state = 0;
 245             if (button == ACTION_WPSAB_SINGLE)
 246             {
 247                 switch (wps_ab_state)
 248                 {
 249                     case 0: /* set the A spot */
 250                         button = ACTION_WPS_ABSETA_PREVDIR;
 251                         break;
 252                     case 1: /* set the B spot */
 253                         button = ACTION_WPS_ABSETB_NEXTDIR;
 254                         break;
 255                     case 2:
 256                         button = ACTION_WPS_ABRESET;
 257                         break;
 258                 }
 259                 wps_ab_state = (wps_ab_state+1) % 3;
 260             }
 261         }
 262 #endif
 263         switch(button)
 264         {
 265             case ACTION_WPS_CONTEXT:
 266 #if LCD_DEPTH > 1
 267                 show_main_backdrop();
 268 #endif
 269 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 270                 show_remote_main_backdrop();
 271 #endif
 272                 /* if music is stopped in the context menu we want to exit the wps */
 273                 if (onplay(wps_state.id3->path,
 274                            FILE_ATTR_AUDIO, CONTEXT_WPS) == ONPLAY_MAINMENU
 275                     || !audio_status())
 276                     return GO_TO_ROOT;
 277
 278                 /* track might have changed */
 279                 update_track = true;
 280
 281 #if LCD_DEPTH > 1
 282                 show_wps_backdrop();
 283 #endif
 284 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 285                 show_remote_wps_backdrop();
 286 #endif
 287                 restore = true;
 288                 break;
 289
 290             case ACTION_WPS_BROWSE:
 291 #ifdef HAVE_LCD_CHARCELLS
 292                 status_set_record(false);
 293                 status_set_audio(false);
 294 #endif
 295                 FOR_NB_SCREENS(i)
 296                     gui_wps[i].display->stop_scroll();
 297                 return GO_TO_PREVIOUS_BROWSER;
 298                 break;
 299
 300                 /* play/pause */
 301             case ACTION_WPS_PLAY:
 302                 if (global_settings.party_mode)
 303                     break;
 304                 if ( wps_state.paused )
 305                 {
 306                     wps_state.paused = false;
 307                     if ( global_settings.fade_on_stop )
 308                         fade(true, true);
 309                     else
 310                         audio_resume();
 311                 }
 312                 else
 313                 {
 314                     wps_state.paused = true;
 315                     if ( global_settings.fade_on_stop )
 316                         fade(false, true);
 317                     else
 318                         audio_pause();
 319                     settings_save();
 320 #if !defined(HAVE_RTC_RAM) && !defined(HAVE_SW_POWEROFF)
 321                     call_ata_idle_notifys(true);   /* make sure resume info is saved */
 322 #endif
 323                 }
 324                 break;
 325
 326                 /* volume up */
 327             case ACTION_WPS_VOLUP:
 328             {
 329                 global_settings.volume++;
 330                 bool res = false;
 331                 setvol();
 332                 FOR_NB_SCREENS(i)
 333                 {
 334                     if(update_onvol_change(&gui_wps[i]))
 335                         res = true;
 336                 }
 337                 if (res) {
 338                     restore = true;
 339                     restoretimer = current_tick + HZ;
 340                 }
 341             }
 342                 break;
 343
 344                 /* volume down */
 345             case ACTION_WPS_VOLDOWN:
 346             {
 347                 global_settings.volume--;
 348                 setvol();
 349                 bool res = false;
 350                 FOR_NB_SCREENS(i)
 351                 {
 352                     if(update_onvol_change(&gui_wps[i]))
 353                         res = true;
 354                 }
 355                 if (res) {
 356                     restore = true;
 357                     restoretimer = current_tick + HZ;
 358                 }
 359             }
 360                 break;
 361             /* fast forward
 362                 OR next dir if this is straight after ACTION_WPS_SKIPNEXT
 363                 OR in study mode, next track if straight after SKIPPREV. */
 364             case ACTION_WPS_SEEKFWD:
 365                 if (global_settings.party_mode)
 366                     break;
 367                 if (!global_settings.study_mode
 368                     && current_tick -last_right < HZ)
 369                 {
 370                     if (cuesheet_is_enabled() && wps_state.id3->cuesheet_type)
 371                     {
 372                         audio_next();
 373                     }
 374                     else
 375                     {
 376                         audio_next_dir();
 377                     }
 378                 }
 379                 else if(global_settings.study_mode
 380                         && current_tick -last_left < HZ) {
 381                     next_track();
 382                     update_track = true;
 383                 }
 384                 else ffwd_rew(ACTION_WPS_SEEKFWD);
 385                 last_right = last_left = 0;
 386                 break;
 387             /* fast rewind
 388                 OR prev dir if this is straight after ACTION_WPS_SKIPPREV,
 389                 OR in study mode, beg of track or prev track if this is
 390                 straight after SKIPPREV */
 391             case ACTION_WPS_SEEKBACK:
 392                 if (global_settings.party_mode)
 393                     break;
 394                 if (!global_settings.study_mode
 395                     && current_tick -last_left < HZ)
 396                 {
 397                     if (cuesheet_is_enabled() && wps_state.id3->cuesheet_type)
 398                     {
 399                         if (!wps_state.paused)
 400 #if (CONFIG_CODEC == SWCODEC)
 401                             audio_pre_ff_rewind();
 402 #else
 403                             audio_pause();
 404 #endif
 405                         audio_ff_rewind(0);
 406                     }
 407                     else
 408                     {
 409                         audio_prev_dir();
 410                     }
 411                 }
 412                 else if(global_settings.study_mode
 413                         && current_tick -last_right < HZ)
 414                 {
 415                     prev_track(3+global_settings.study_hop_step);
 416                     update_track = true;
 417                 }
 418                 else ffwd_rew(ACTION_WPS_SEEKBACK);
 419                 last_left = last_right = 0;
 420                 break;
 421
 422                 /* prev / restart */
 423             case ACTION_WPS_SKIPPREV:
 424                 if (global_settings.party_mode)
 425                     break;
 426                 last_left = current_tick;
 427                 update_track = true;
 428
 429 #ifdef AB_REPEAT_ENABLE
 430                 /* if we're in A/B repeat mode and the current position
 431                    is past the A marker, jump back to the A marker... */
 432                 if ( ab_repeat_mode_enabled() )
 433                 {
 434                     if ( ab_after_A_marker(wps_state.id3->elapsed) )
 435                     {
 436                         ab_jump_to_A_marker();
 437                         break;
 438 #if (AB_REPEAT_ENABLE == 2)
 439                     } else {
 440                         ab_reset_markers();
 441 #endif
 442                     }
 443                 }
 444                 /* ...otherwise, do it normally */
 445 #endif
 446
 447                 if(global_settings.study_mode)
 448                     play_hop(-1);
 449                 else prev_track(3);
 450                 break;
 451
 452                 /* next
 453                    OR in study mode, hop by predetermined amount. */
 454             case ACTION_WPS_SKIPNEXT:
 455                 if (global_settings.party_mode)
 456                     break;
 457                 last_right = current_tick;
 458                 update_track = true;
 459
 460 #ifdef AB_REPEAT_ENABLE
 461                 /* if we're in A/B repeat mode and the current position is
 462                    before the A marker, jump to the A marker... */
 463                 if ( ab_repeat_mode_enabled() )
 464                 {
 465                     if ( ab_before_A_marker(wps_state.id3->elapsed) )
 466                     {
 467                         ab_jump_to_A_marker();
 468                         break;
 469 #if (AB_REPEAT_ENABLE == 2)
 470                     } else {
 471                         ab_reset_markers();
 472 #endif
 473                     }
 474                 }
 475                 /* ...otherwise, do it normally */
 476 #endif
 477
 478                 if(global_settings.study_mode)
 479                     play_hop(1);
 480                 else next_track();
 481                 break;
 482                 /* next / prev directories */
 483                 /* and set A-B markers if in a-b mode */
 484             case ACTION_WPS_ABSETB_NEXTDIR:
 485                 if (global_settings.party_mode)
 486                     break;
 487 #if defined(AB_REPEAT_ENABLE)
 488                 if (ab_repeat_mode_enabled())
 489                 {
 490                     ab_set_B_marker(wps_state.id3->elapsed);
 491                     ab_jump_to_A_marker();
 492                     update_track = true;
 493                 }
 494                 else
 495 #endif
 496                 {
 497                     if(global_settings.study_mode)
 498                         next_track();
 499                     else audio_next_dir();
 500                 }
 501                 break;
 502             case ACTION_WPS_ABSETA_PREVDIR:
 503                 if (global_settings.party_mode)
 504                     break;
 505 #if defined(AB_REPEAT_ENABLE)
 506                 if (ab_repeat_mode_enabled())
 507                     ab_set_A_marker(wps_state.id3->elapsed);
 508                 else
 509 #endif
 510                 {
 511                     if(global_settings.study_mode)
 512                         prev_track(3);
 513                     else audio_prev_dir();
 514                 }
 515                 break;
 516             /* menu key functions */
 517             case ACTION_WPS_MENU:
 518                 FOR_NB_SCREENS(i)
 519                     gui_wps[i].display->stop_scroll();
 520                 return GO_TO_ROOT;
 521                 break;
 522
 523
 524 #ifdef HAVE_QUICKSCREEN
 525             case ACTION_WPS_QUICKSCREEN:
 526 #if LCD_DEPTH > 1
 527                 show_main_backdrop();
 528 #endif
 529 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 530                 show_remote_main_backdrop();
 531 #endif
 532                 if (quick_screen_quick(button))
 533                     return SYS_USB_CONNECTED;
 534 #if LCD_DEPTH > 1
 535                 show_wps_backdrop();
 536 #endif
 537 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 538                 show_remote_wps_backdrop();
 539 #endif
 540                 restore = true;
 541                 break;
 542 #endif /* HAVE_QUICKSCREEN */
 543
 544                 /* screen settings */
 545 #ifdef BUTTON_F3
 546             case ACTION_F3:
 547 #if LCD_DEPTH > 1
 548                 show_main_backdrop();
 549 #endif
 550 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 551                 show_remote_main_backdrop();
 552 #endif
 553                 if (quick_screen_f3(BUTTON_F3))
 554                     return SYS_USB_CONNECTED;
 555                 restore = true;
 556                 break;
 557 #endif /* BUTTON_F3 */
 558
 559                 /* pitch screen */
 560 #ifdef HAVE_PITCHSCREEN
 561             case ACTION_WPS_PITCHSCREEN:
 562 #if LCD_DEPTH > 1
 563                 show_main_backdrop();
 564 #endif
 565 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 566                 show_remote_main_backdrop();
 567 #endif
 568                 if (1 == pitch_screen())
 569                     return SYS_USB_CONNECTED;
 570 #if LCD_DEPTH > 1
 571                 show_wps_backdrop();
 572 #endif
 573 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 574                 show_remote_wps_backdrop();
 575 #endif
 576                 restore = true;
 577                 break;
 578 #endif /* HAVE_PITCHSCREEN */
 579
 580 #ifdef AB_REPEAT_ENABLE
 581             /* reset A&B markers */
 582             case ACTION_WPS_ABRESET:
 583                 if (ab_repeat_mode_enabled())
 584                 {
 585                     ab_reset_markers();
 586                     update_track = true;
 587                 }
 588                 break;
 589 #endif /* AB_REPEAT_ENABLE */
 590
 591                 /* stop and exit wps */
 592             case ACTION_WPS_STOP:
 593                 if (global_settings.party_mode)
 594                     break;
 595                 bookmark = true;
 596                 exit = true;
 597                 break;
 598
 599             case ACTION_WPS_ID3SCREEN:
 600 #if LCD_DEPTH > 1
 601                 show_main_backdrop();
 602 #endif
 603 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 604                 show_remote_main_backdrop();
 605 #endif
 606                 browse_id3();
 607 #if LCD_DEPTH > 1
 608                 show_wps_backdrop();
 609 #endif
 610 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 611                 show_remote_wps_backdrop();
 612 #endif
 613                 restore = true;
 614                 break;
 615
 616             case ACTION_REDRAW: /* yes are locked, just redraw */
 617                 restore = true;
 618                 break;
 619             case ACTION_NONE: /* Timeout */
 620                 update_track = true;
 621                 ffwd_rew(button); /* hopefully fix the ffw/rwd bug */
 622                 break;
 623 #ifdef HAVE_RECORDING
 624             case ACTION_WPS_REC:
 625                 exit = true;
 626                 break;
 627 #endif
 628             case SYS_POWEROFF:
 629 #if LCD_DEPTH > 1
 630                 show_main_backdrop();
 631 #endif
 632 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 633                 show_remote_main_backdrop();
 634 #endif
 635                 default_event_handler(SYS_POWEROFF);
 636                 break;
 637
 638             default:
 639                 if(default_event_handler(button) == SYS_USB_CONNECTED)
 640                     return GO_TO_ROOT;
 641                 update_track = true;
 642                 break;
 643         }
 644
 645         if (update_track)
 646         {
 647             FOR_NB_SCREENS(i)
 648             {
 649                 if(update(&gui_wps[i]))
 650                     exit = true;
 651             }
 652             update_track = false;
 653         }
 654
 655         if (restore &&
 656             ((restoretimer == 0) ||
 657              (restoretimer < current_tick)))
 658         {
 659             restore = false;
 660             restoretimer = 0;
 661             if (gui_wps_display()) {
 662                 exit = true;
 663             }
 664             else if (wps_state.id3){
 665                 FOR_NB_SCREENS(i)
 666                     gui_wps_refresh(&gui_wps[i], 0, WPS_REFRESH_NON_STATIC);
 667             }
 668         }
 669
 670         if (exit) {
 671 #ifdef HAVE_LCD_CHARCELLS
 672             status_set_record(false);
 673             status_set_audio(false);
 674 #endif
 675             if (global_settings.fade_on_stop)
 676                 fade(false, true);
 677
 678             FOR_NB_SCREENS(i)
 679                 gui_wps[i].display->stop_scroll();
 680             if (bookmark)
 681                 bookmark_autobookmark();
 682             audio_stop();
 683 #ifdef AB_REPEAT_ENABLE
 684             ab_reset_markers();
 685 #endif
 686 #ifdef HAVE_RECORDING
 687             if (button == ACTION_WPS_REC)
 688                 return GO_TO_RECSCREEN;
 689 #endif
 690             if (global_settings.browse_current)
 691                 return GO_TO_PREVIOUS_BROWSER;
 692             return GO_TO_PREVIOUS;
 693         }
 694
 695         if ( button )
 696             ata_spin();
 697     }
 698     return GO_TO_ROOT; /* unreachable - just to reduce compiler warnings */
 699 }
 700
 701 /* needs checking if needed end*/
 702
 703 /* wps_state */
 704
 705 static void wps_state_init(void)
 706 {
 707     wps_state.ff_rewind = false;
 708     wps_state.paused = false;
 709     wps_state.id3 = NULL;
 710     wps_state.nid3 = NULL;
 711     wps_state.current_track_path[0] = '\0';
 712 }
 713
 714 #if 0
 715 /* these are obviously not used? */
 716
 717 void wps_state_update_ff_rew(bool ff_rew)
 718 {
 719     wps_state.ff_rewind = ff_rew;
 720 }
 721
 722 void wps_state_update_paused(bool paused)
 723 {
 724     wps_state.paused = paused;
 725 }
 726 void wps_state_update_id3_nid3(struct mp3entry *id3, struct mp3entry *nid3)
 727 {
 728     wps_state.id3 = id3;
 729     wps_state.nid3 = nid3;
 730 }
 731 #endif
 732
 733 static void wps_state_update_ctp(const char *path)
 734 {
 735     strncpy(wps_state.current_track_path, path,
 736            sizeof(wps_state.current_track_path));
 737     wps_state.current_track_path[sizeof(wps_state.current_track_path)-1] = '\0';
 738 }
 739 /* wps_state end*/
 740
 741 /* initial setup of a wps */
 742 static void gui_wps_init(struct gui_wps *gui_wps)
 743 {
 744     gui_wps->data = NULL;
 745     gui_wps->display = NULL;
 746     gui_wps->statusbar = NULL;
 747     /* Currently no seperate wps_state needed/possible
 748        so use the only aviable ( "global" ) one */
 749     gui_wps->state = &wps_state;
 750 }
 751
 752 /* connects a wps with a format-description of the displayed content */
 753 static void gui_wps_set_data(struct gui_wps *gui_wps, struct wps_data *data)
 754 {
 755     gui_wps->data = data;
 756 }
 757
 758 /* connects a wps with a screen */
 759 static void gui_wps_set_disp(struct gui_wps *gui_wps, struct screen *display)
 760 {
 761     gui_wps->display = display;
 762 }
 763
 764 static void gui_wps_set_statusbar(struct gui_wps *gui_wps, struct gui_statusbar *statusbar)
 765 {
 766     gui_wps->statusbar = statusbar;
 767 }
 768 /* gui_wps end */
 769
 770 void gui_sync_wps_screen_init(void)
 771 {
 772     int i;
 773     FOR_NB_SCREENS(i)
 774         gui_wps_set_disp(&gui_wps[i], &screens[i]);
 775 }
 776 #ifdef HAVE_LCD_BITMAP
 777 static void statusbar_toggle_handler(void *data)
 778 {
 779     (void)data;
 780     int i;
 781     bool draw = global_settings.statusbar;
 782
 783     FOR_NB_SCREENS(i)
 784     {
 785         struct wps_viewport *vp = &gui_wps[i].data->viewports[0];
 786         if (gui_wps[i].data->wps_sb_tag)
 787             draw = gui_wps[i].data->show_sb_on_wps;
 788         if (!global_settings.statusbar && !draw)
 789         {
 790             vp->vp.y = 0;
 791             vp->vp.height = screens[i].height;
 792         }
 793         else
 794         {
 795             vp->vp.y      = STATUSBAR_HEIGHT;
 796             vp->vp.height = screens[i].height - STATUSBAR_HEIGHT;
 797         }
 798     }
 799 }
 800 #endif
 801
 802 void gui_sync_wps_init(void)
 803 {
 804     int i;
 805     FOR_NB_SCREENS(i)
 806     {
 807         wps_data_init(&wps_datas[i]);
 808 #ifdef HAVE_REMOTE_LCD
 809         wps_datas[i].remote_wps = (i != 0);
 810 #endif
 811         gui_wps_init(&gui_wps[i]);
 812         gui_wps_set_data(&gui_wps[i], &wps_datas[i]);
 813         gui_wps_set_statusbar(&gui_wps[i], &statusbars.statusbars[i]);
 814     }
 815 #ifdef HAVE_LCD_BITMAP
 816     add_event(STATUSBAR_TOGGLE_EVENT, false, statusbar_toggle_handler);
 817 #endif
 818 #if LCD_DEPTH > 1
 819     unload_wps_backdrop();
 820 #endif
 821 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 822     unload_remote_wps_backdrop();
 823 #endif
 824 }
 825
 826 #ifdef HAVE_ALBUMART
 827 /* Returns true if at least one of the gui_wps screens has an album art
 828    tag in its wps structure */
 829 bool gui_sync_wps_uses_albumart(void)
 830 {
 831     int  i;
 832     FOR_NB_SCREENS(i) {
 833         struct gui_wps *gwps = &gui_wps[i];
 834         if (gwps->data && (gwps->data->wps_uses_albumart != WPS_ALBUMART_NONE))
 835             return true;
 836     }
 837     return false;
 838 }
 839 #endif