apps/screens.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 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
  22 #include <stdbool.h>
  23 #include <string.h>
  24 #include <stdio.h>
  25 #include "backlight.h"
  26 #include "action.h"
  27 #include "lcd.h"
  28 #include "lang.h"
  29 #include "icons.h"
  30 #include "font.h"
  31 #include "audio.h"
  32 #include "mp3_playback.h"
  33 #include "usb.h"
  34 #include "settings.h"
  35 #include "status.h"
  36 #include "playlist.h"
  37 #include "kernel.h"
  38 #include "power.h"
  39 #include "system.h"
  40 #include "powermgmt.h"
  41 #include "talk.h"
  42 #include "misc.h"
  43 #include "metadata.h"
  44 #include "screens.h"
  45 #include "debug.h"
  46 #include "led.h"
  47 #include "sound.h"
  48 #include "splash.h"
  49 #include "statusbar.h"
  50 #include "screen_access.h"
  51 #include "list.h"
  52 #include "yesno.h"
  53 #include "backdrop.h"
  54 #include "viewport.h"
  55 #include "language.h"
  56 #include "replaygain.h"
  57
  58 #if CONFIG_CODEC == SWCODEC
  59 #include "dsp.h"
  60 #endif
  61
  62 #if (CONFIG_STORAGE & STORAGE_MMC)
  63 int mmc_remove_request(void)
  64 {
  65     struct queue_event ev;
  66     int i;
  67     FOR_NB_SCREENS(i)
  68         screens[i].clear_display();
  69     splash(0, ID2P(LANG_REMOVE_MMC));
  70
  71     while (1)
  72     {
  73         queue_wait_w_tmo(&button_queue, &ev, HZ/2);
  74         switch (ev.id)
  75         {
  76             case SYS_HOTSWAP_EXTRACTED:
  77                 return SYS_HOTSWAP_EXTRACTED;
  78
  79             case SYS_USB_DISCONNECTED:
  80                 return SYS_USB_DISCONNECTED;
  81         }
  82     }
  83 }
  84 #endif
  85
  86 /* the charging screen is only used for archos targets */
  87 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING) && defined(CPU_SH)
  88
  89 #ifdef HAVE_LCD_BITMAP
  90 static void charging_display_info(bool animate)
  91 {
  92     unsigned char charging_logo[36];
  93     const int pox_x = (LCD_WIDTH - sizeof(charging_logo)) / 2;
  94     const int pox_y = 32;
  95     static unsigned phase = 3;
  96     unsigned i;
  97
  98 #ifdef NEED_ATA_POWER_BATT_MEASURE
  99     if (ide_powered()) /* FM and V2 can only measure when ATA power is on */
 100 #endif
 101     {
 102         int battv = battery_voltage();
 103         lcd_putsf(0, 7, "  Batt: %d.%02dV %d%%  ", battv / 1000,
 104                  (battv % 1000) / 10, battery_level());
 105     }
 106
 107 #ifdef ARCHOS_RECORDER
 108     lcd_puts(0, 2, "Charge mode:");
 109
 110     const char *s;
 111     if (charge_state == CHARGING)
 112         s = str(LANG_BATTERY_CHARGE);
 113     else if (charge_state == TOPOFF)
 114         s = str(LANG_BATTERY_TOPOFF_CHARGE);
 115     else if (charge_state == TRICKLE)
 116         s = str(LANG_BATTERY_TRICKLE_CHARGE);
 117     else
 118         s = "not charging";
 119
 120     lcd_puts(0, 3, s);
 121     if (!charger_enabled())
 122         animate = false;
 123 #endif /* ARCHOS_RECORDER */
 124
 125     /* middle part */
 126     memset(charging_logo+3, 0x00, 32);
 127     charging_logo[0] = 0x3C;
 128     charging_logo[1] = 0x24;
 129     charging_logo[2] = charging_logo[35] = 0xFF;
 130
 131     if (!animate)
 132     {   /* draw the outline */
 133         /* middle part */
 134         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 8,
 135                         sizeof(charging_logo), 8);
 136         lcd_set_drawmode(DRMODE_FG);
 137         /* upper line */
 138         charging_logo[0] = charging_logo[1] = 0x00;
 139         memset(charging_logo+2, 0x80, 34);
 140         lcd_mono_bitmap(charging_logo, pox_x, pox_y, sizeof(charging_logo), 8);
 141         /* lower line */
 142         memset(charging_logo+2, 0x01, 34);
 143         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 16,
 144                         sizeof(charging_logo), 8);
 145         lcd_set_drawmode(DRMODE_SOLID);
 146     }
 147     else
 148     {   /* animate the middle part */
 149         for (i = 3; i<MIN(sizeof(charging_logo)-1, phase); i++)
 150         {
 151             if ((i-phase) % 8 == 0)
 152             {   /* draw a "bubble" here */
 153                 unsigned bitpos;
 154                 bitpos = (phase + i/8) % 15; /* "bounce" effect */
 155                 if (bitpos > 7)
 156                     bitpos = 14 - bitpos;
 157                 charging_logo[i] = BIT_N(bitpos);
 158             }
 159         }
 160         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 8,
 161                         sizeof(charging_logo), 8);
 162         phase++;
 163     }
 164     lcd_update();
 165 }
 166 #else /* not HAVE_LCD_BITMAP */
 167
 168 static unsigned long logo_chars[4];
 169 static const unsigned char logo_pattern[] = {
 170     0x07, 0x04, 0x1c, 0x14, 0x1c, 0x04, 0x07, 0, /* char 1 */
 171     0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0, /* char 2 */
 172     0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0, /* char 3 */
 173     0x1f, 0x01, 0x01, 0x01, 0x01, 0x01, 0x1f, 0, /* char 4 */
 174 };
 175
 176 static void logo_lock_patterns(bool on)
 177 {
 178     int i;
 179
 180     if (on)
 181     {
 182         for (i = 0; i < 4; i++)
 183             logo_chars[i] = lcd_get_locked_pattern();
 184     }
 185     else
 186     {
 187         for (i = 0; i < 4; i++)
 188             lcd_unlock_pattern(logo_chars[i]);
 189     }
 190 }
 191
 192 static void charging_display_info(bool animate)
 193 {
 194     int battv;
 195     unsigned i, ypos;
 196     static unsigned phase = 3;
 197     char buf[32];
 198
 199     battv = battery_voltage();
 200     lcd_putsf(4, 1, " %d.%02dV", battv / 1000, (battv % 1000) / 10);
 201
 202     memcpy(buf, logo_pattern, 32); /* copy logo patterns */
 203
 204     if (!animate) /* build the screen */
 205     {
 206         lcd_double_height(false);
 207         lcd_puts(0, 0, "[Charging]");
 208         for (i = 0; i < 4; i++)
 209             lcd_putc(i, 1, logo_chars[i]);
 210     }
 211     else          /* animate the logo */
 212     {
 213         for (i = 3; i < MIN(19, phase); i++)
 214         {
 215             if ((i - phase) % 5 == 0)
 216             {    /* draw a "bubble" here */
 217                 ypos = (phase + i/5) % 9; /* "bounce" effect */
 218                 if (ypos > 4)
 219                     ypos = 8 - ypos;
 220                 buf[5 - ypos + 8 * (i/5)] |= 0x10u >> (i%5);
 221             }
 222         }
 223         phase++;
 224     }
 225
 226     for (i = 0; i < 4; i++)
 227         lcd_define_pattern(logo_chars[i], buf + 8 * i);
 228
 229     lcd_update();
 230 }
 231 #endif /* (not) HAVE_LCD_BITMAP */
 232
 233 /* blocks while charging, returns on event:
 234    1 if charger cable was removed
 235    2 if Off/Stop key was pressed
 236    3 if On key was pressed
 237    4 if USB was connected */
 238
 239 int charging_screen(void)
 240 {
 241     unsigned int button;
 242     int rc = 0;
 243
 244     ide_power_enable(false); /* power down the disk, else would be spinning */
 245
 246     lcd_clear_display();
 247     backlight_set_timeout(global_settings.backlight_timeout);
 248 #ifdef HAVE_REMOTE_LCD
 249     remote_backlight_set_timeout(global_settings.remote_backlight_timeout);
 250 #endif
 251     backlight_set_timeout_plugged(global_settings.backlight_timeout_plugged);
 252
 253 #ifdef HAVE_LCD_CHARCELLS
 254     logo_lock_patterns(true);
 255 #endif
 256     charging_display_info(false);
 257
 258     do
 259     {
 260         gui_syncstatusbar_draw(&statusbars, false);
 261         charging_display_info(true);
 262         button = get_action(CONTEXT_STD,HZ/3);
 263         if (button == ACTION_STD_OK)
 264             rc = 2;
 265         else if (usb_detect() == USB_INSERTED)
 266             rc = 3;
 267         else if (!charger_inserted())
 268             rc = 1;
 269     } while (!rc);
 270
 271 #ifdef HAVE_LCD_CHARCELLS
 272     logo_lock_patterns(false);
 273 #endif
 274     return rc;
 275 }
 276 #endif /* CONFIG_CHARGING && !HAVE_POWEROFF_WHILE_CHARGING && defined(CPU_SH) */
 277
 278 #if CONFIG_CHARGING
 279 void charging_splash(void)
 280 {
 281     splash(2*HZ, str(LANG_BATTERY_CHARGE));
 282     button_clear_queue();
 283 }
 284 #endif
 285
 286
 287 #if defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0)
 288
 289 /* little helper function for voice output */
 290 static void say_time(int cursorpos, const struct tm *tm)
 291 {
 292     int value = 0;
 293     int unit = 0;
 294
 295     if (!global_settings.talk_menu)
 296         return;
 297
 298     switch(cursorpos)
 299     {
 300     case 0:
 301         value = tm->tm_hour;
 302         unit = UNIT_HOUR;
 303         break;
 304     case 1:
 305         value = tm->tm_min;
 306         unit = UNIT_MIN;
 307         break;
 308     case 2:
 309         value = tm->tm_sec;
 310         unit = UNIT_SEC;
 311         break;
 312     case 3:
 313         value = tm->tm_year + 1900;
 314         break;
 315     case 5:
 316         value = tm->tm_mday;
 317         break;
 318     }
 319
 320     if (cursorpos == 4) /* month */
 321         talk_id(LANG_MONTH_JANUARY + tm->tm_mon, false);
 322     else
 323         talk_value(value, unit, false);
 324 }
 325
 326
 327 #define INDEX_X 0
 328 #define INDEX_Y 1
 329
 330 #define SEPARATOR ":"
 331
 332 #define IDX_HOURS   0
 333 #define IDX_MINUTES 1
 334 #define IDX_SECONDS 2
 335 #define IDX_YEAR    3
 336 #define IDX_MONTH   4
 337 #define IDX_DAY     5
 338
 339 #define OFF_HOURS   0
 340 #define OFF_MINUTES 3
 341 #define OFF_SECONDS 6
 342 #define OFF_YEAR    9
 343 #define OFF_DAY     14
 344
 345 bool set_time_screen(const char* title, struct tm *tm)
 346 {
 347     struct viewport viewports[NB_SCREENS];
 348     bool done = false, usb = false;
 349     int cursorpos = 0;
 350     unsigned int s;
 351     unsigned char offsets_ptr[] =
 352         { OFF_HOURS, OFF_MINUTES, OFF_SECONDS, OFF_YEAR, 0, OFF_DAY };
 353
 354     if (lang_is_rtl())
 355     {
 356         offsets_ptr[IDX_HOURS] = OFF_SECONDS;
 357         offsets_ptr[IDX_SECONDS] = OFF_HOURS;
 358         offsets_ptr[IDX_YEAR] = OFF_DAY;
 359         offsets_ptr[IDX_DAY] = OFF_YEAR;
 360     }
 361
 362     /* speak selection when screen is entered */
 363     say_time(cursorpos, tm);
 364
 365 #ifdef HAVE_TOUCHSCREEN
 366     enum touchscreen_mode old_mode = touchscreen_get_mode();
 367     touchscreen_set_mode(TOUCHSCREEN_BUTTON);
 368 #endif
 369     while (!done) {
 370         int button;
 371         unsigned int i, realyear, min, max;
 372         unsigned char *ptr[6];
 373         unsigned char buffer[20];
 374         int *valptr = NULL;
 375         static unsigned char daysinmonth[] =
 376             {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 377
 378         /* for easy acess in the drawing loop */
 379         for (i = 0; i < 6; i++)
 380             ptr[i] = buffer + offsets_ptr[i];
 381         ptr[IDX_MONTH] = str(LANG_MONTH_JANUARY + tm->tm_mon); /* month name */
 382
 383         /* calculate the number of days in febuary */
 384         realyear = tm->tm_year + 1900;
 385         if((realyear % 4 == 0 && !(realyear % 100 == 0)) || realyear % 400 == 0)
 386             daysinmonth[1] = 29;
 387         else
 388             daysinmonth[1] = 28;
 389
 390         /* fix day if month or year changed */
 391         if (tm->tm_mday > daysinmonth[tm->tm_mon])
 392             tm->tm_mday = daysinmonth[tm->tm_mon];
 393
 394         /* calculate day of week */
 395         set_day_of_week(tm);
 396
 397         /* put all the numbers we want from the tm struct into
 398            an easily printable buffer */
 399         snprintf(buffer, sizeof(buffer),
 400                  "%02d " "%02d " "%02d " "%04d " "%02d",
 401                  tm->tm_hour, tm->tm_min, tm->tm_sec,
 402                  tm->tm_year+1900, tm->tm_mday);
 403
 404         /* convert spaces in the buffer to '\0' to make it possible to work
 405            directly on the buffer */
 406         for(i=0; i < sizeof(buffer); i++)
 407         {
 408             if(buffer[i] == ' ')
 409                 buffer[i] = '\0';
 410         }
 411
 412         FOR_NB_SCREENS(s)
 413         {
 414             int pos, nb_lines;
 415             unsigned int separator_width, weekday_width;
 416             unsigned int j, width, prev_line_height;
 417             /* 6 possible cursor possitions, 2 values stored for each: x, y */
 418             unsigned int cursor[6][2];
 419             struct viewport *vp = &viewports[s];
 420             struct screen *screen = &screens[s];
 421             static unsigned char rtl_idx[] =
 422                 { IDX_SECONDS, IDX_MINUTES, IDX_HOURS, IDX_DAY, IDX_MONTH, IDX_YEAR };
 423
 424             viewport_set_defaults(vp, s);
 425             screen->set_viewport(vp);
 426             nb_lines = viewport_get_nb_lines(vp);
 427
 428             /* minimum lines needed is 2 + title line */
 429             if (nb_lines < 4)
 430             {
 431                 vp->font = FONT_SYSFIXED;
 432                 nb_lines = viewport_get_nb_lines(vp);
 433             }
 434
 435             /* recalculate the positions and offsets */
 436             if (nb_lines >= 3)
 437                 screen->getstringsize(title, NULL, &prev_line_height);
 438             else
 439                 prev_line_height = 0;
 440
 441             screen->getstringsize(SEPARATOR, &separator_width, NULL);
 442
 443             /* weekday */
 444             screen->getstringsize(str(LANG_WEEKDAY_SUNDAY + tm->tm_wday),
 445                                      &weekday_width, NULL);
 446             screen->getstringsize(" ", &separator_width, NULL);
 447
 448             for(i=0, j=0; i < 6; i++)
 449             {
 450                 if(i==3) /* second row */
 451                 {
 452                     j = weekday_width + separator_width;
 453                     prev_line_height *= 2;
 454                 }
 455                 screen->getstringsize(ptr[i], &width, NULL);
 456                 cursor[i][INDEX_Y] = prev_line_height;
 457                 cursor[i][INDEX_X] = j;
 458                 j += width + separator_width;
 459             }
 460
 461             /* draw the screen */
 462             screen->set_viewport(vp);
 463             screen->clear_viewport();
 464             /* display the screen title */
 465             screen->puts_scroll(0, 0, title);
 466
 467             /* these are not selectable, so we draw them outside the loop */
 468             /* name of the week day */
 469             screen->putsxy(0, cursor[3][INDEX_Y],
 470                               str(LANG_WEEKDAY_SUNDAY + tm->tm_wday));
 471
 472             pos = lang_is_rtl() ? rtl_idx[cursorpos] : cursorpos;
 473             /* draw the selected item with drawmode set to
 474                 DRMODE_SOLID|DRMODE_INVERSEVID, all other selectable
 475                 items with drawmode DRMODE_SOLID */
 476             for(i=0; i<6; i++)
 477             {
 478                 if (pos == (int)i)
 479                     vp->drawmode = (DRMODE_SOLID|DRMODE_INVERSEVID);
 480
 481                 screen->putsxy(cursor[i][INDEX_X],
 482                                   cursor[i][INDEX_Y], ptr[i]);
 483
 484                 vp->drawmode = DRMODE_SOLID;
 485
 486                 screen->putsxy(cursor[i/4 +1][INDEX_X] - separator_width,
 487                                   cursor[0][INDEX_Y], SEPARATOR);
 488             }
 489
 490             /* print help text */
 491             if (nb_lines > 4)
 492                 screen->puts(0, 4, str(LANG_TIME_SET_BUTTON));
 493             if (nb_lines > 5)
 494                 screen->puts(0, 5, str(LANG_TIME_REVERT));
 495             screen->update_viewport();
 496             screen->set_viewport(NULL);
 497         }
 498
 499         /* set the most common numbers */
 500         min = 0;
 501         max = 59;
 502         /* calculate the minimum and maximum for the number under cursor */
 503         switch(cursorpos) {
 504             case 0: /* hour */
 505                 max = 23;
 506                 valptr = &tm->tm_hour;
 507                 break;
 508             case 1: /* minute */
 509                 valptr = &tm->tm_min;
 510                 break;
 511             case 2: /* second */
 512                 valptr = &tm->tm_sec;
 513                 break;
 514             case 3: /* year */
 515                 min = 1;
 516                 max = 200;
 517                 valptr = &tm->tm_year;
 518                 break;
 519             case 4: /* month */
 520                 max = 11;
 521                 valptr = &tm->tm_mon;
 522                 break;
 523             case 5: /* day */
 524                 min = 1;
 525                 max = daysinmonth[tm->tm_mon];
 526                 valptr = &tm->tm_mday;
 527                 break;
 528         }
 529
 530         button = get_action(CONTEXT_SETTINGS_TIME, TIMEOUT_BLOCK);
 531         switch ( button ) {
 532             case ACTION_STD_PREV:
 533                 cursorpos = clamp_value_wrap(--cursorpos, 5, 0);
 534                 say_time(cursorpos, tm);
 535                 break;
 536             case ACTION_STD_NEXT:
 537                 cursorpos = clamp_value_wrap(++cursorpos, 5, 0);
 538                 say_time(cursorpos, tm);
 539                 break;
 540             case ACTION_SETTINGS_INC:
 541             case ACTION_SETTINGS_INCREPEAT:
 542                 *valptr = clamp_value_wrap(++(*valptr), max, min);
 543                 say_time(cursorpos, tm);
 544                 break;
 545             case ACTION_SETTINGS_DEC:
 546             case ACTION_SETTINGS_DECREPEAT:
 547                 *valptr = clamp_value_wrap(--(*valptr), max, min);
 548                 say_time(cursorpos, tm);
 549                 break;
 550
 551             case ACTION_STD_OK:
 552                 done = true;
 553                 break;
 554
 555             case ACTION_STD_CANCEL:
 556                 done = true;
 557                 tm->tm_year = -1;
 558                 break;
 559
 560             default:
 561                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 562                     done = usb = true;
 563                 break;
 564         }
 565     }
 566     FOR_NB_SCREENS(s)
 567         screens[s].scroll_stop(&viewports[s]);
 568 #ifdef HAVE_TOUCHSCREEN
 569     touchscreen_set_mode(old_mode);
 570 #endif
 571     return usb;
 572 }
 573 #endif /* defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0) */
 574
 575 #if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 576 bool shutdown_screen(void)
 577 {
 578     int button;
 579     bool done = false;
 580     long time_entered = current_tick;
 581
 582     lcd_stop_scroll();
 583
 584     splash(0, str(LANG_CONFIRM_SHUTDOWN));
 585
 586     while(!done && TIME_BEFORE(current_tick,time_entered+HZ*2))
 587     {
 588         button = get_action(CONTEXT_STD,HZ);
 589         switch(button)
 590         {
 591             case ACTION_STD_CANCEL:
 592                 sys_poweroff();
 593                 break;
 594
 595             /* do nothing here, because ACTION_NONE might be caused
 596              * by timeout or button release. In case of timeout the loop
 597              * is terminated by TIME_BEFORE */
 598             case ACTION_NONE:
 599                 break;
 600
 601             default:
 602                 if(default_event_handler(button) == SYS_USB_CONNECTED)
 603                     return true;
 604                 done = true;
 605                 break;
 606         }
 607     }
 608     return false;
 609 }
 610 #endif
 611
 612 static const int id3_headers[]=
 613 {
 614     LANG_ID3_TITLE,
 615     LANG_ID3_ARTIST,
 616     LANG_ID3_COMPOSER,
 617     LANG_ID3_ALBUM,
 618     LANG_ID3_ALBUMARTIST,
 619     LANG_ID3_GROUPING,
 620     LANG_ID3_DISCNUM,
 621     LANG_ID3_TRACKNUM,
 622     LANG_ID3_COMMENT,
 623     LANG_ID3_GENRE,
 624     LANG_ID3_YEAR,
 625     LANG_ID3_LENGTH,
 626     LANG_ID3_PLAYLIST,
 627     LANG_ID3_BITRATE,
 628     LANG_ID3_FREQUENCY,
 629 #if CONFIG_CODEC == SWCODEC
 630     LANG_ID3_TRACK_GAIN,
 631     LANG_ID3_ALBUM_GAIN,
 632 #endif
 633     LANG_FILESIZE,
 634     LANG_ID3_PATH,
 635 };
 636
 637 struct id3view_info {
 638     struct mp3entry* id3;
 639     int count;
 640     int info_id[ARRAYLEN(id3_headers)];
 641 };
 642
 643 static const char* id3_get_info(int selected_item, void* data,
 644                                 char *buffer, size_t buffer_len)
 645 {
 646     struct id3view_info *info = (struct id3view_info*)data;
 647     struct mp3entry* id3 =info->id3;
 648     int info_no=selected_item/2;
 649     if(!(selected_item%2))
 650     {/* header */
 651         snprintf(buffer, buffer_len,
 652                  "[%s]", str(id3_headers[info->info_id[info_no]]));
 653         return buffer;
 654     }
 655     else
 656     {/* data */
 657
 658         char * val=NULL;
 659         switch(id3_headers[info->info_id[info_no]])
 660         {
 661             case LANG_ID3_TITLE:
 662                 val=id3->title;
 663                 break;
 664             case LANG_ID3_ARTIST:
 665                 val=id3->artist;
 666                 break;
 667             case LANG_ID3_ALBUM:
 668                 val=id3->album;
 669                 break;
 670             case LANG_ID3_ALBUMARTIST:
 671                 val=id3->albumartist;
 672                 break;
 673             case LANG_ID3_GROUPING:
 674                 val=id3->grouping;
 675                 break;
 676             case LANG_ID3_DISCNUM:
 677                 if (id3->disc_string)
 678                     val = id3->disc_string;
 679                 else if (id3->discnum)
 680                 {
 681                     snprintf(buffer, buffer_len, "%d", id3->discnum);
 682                     val = buffer;
 683                 }
 684                 break;
 685             case LANG_ID3_TRACKNUM:
 686                 if (id3->track_string)
 687                     val = id3->track_string;
 688                 else if (id3->tracknum)
 689                 {
 690                     snprintf(buffer, buffer_len, "%d", id3->tracknum);
 691                     val = buffer;
 692                 }
 693                 break;
 694             case LANG_ID3_COMMENT:
 695                 if (!id3->comment)
 696                     return NULL;
 697                 snprintf(buffer, buffer_len, "%s", id3->comment);
 698                 val=buffer;
 699                 break;
 700             case LANG_ID3_GENRE:
 701                 val = id3->genre_string;
 702                 break;
 703             case LANG_ID3_YEAR:
 704                 if (id3->year_string)
 705                     val = id3->year_string;
 706                 else if (id3->year)
 707                 {
 708                     snprintf(buffer, buffer_len, "%d", id3->year);
 709                     val = buffer;
 710                 }
 711                 break;
 712             case LANG_ID3_LENGTH:
 713                 format_time(buffer, buffer_len, id3->length);
 714                 val=buffer;
 715                 break;
 716             case LANG_ID3_PLAYLIST:
 717                 snprintf(buffer, buffer_len, "%d/%d",
 718                          playlist_get_display_index(), playlist_amount());
 719                 val=buffer;
 720                 break;
 721             case LANG_ID3_BITRATE:
 722                 snprintf(buffer, buffer_len, "%d kbps%s", id3->bitrate,
 723             id3->vbr ? str(LANG_ID3_VBR) : (const unsigned char*) "");
 724                 val=buffer;
 725                 break;
 726             case LANG_ID3_FREQUENCY:
 727                 snprintf(buffer, buffer_len, "%ld Hz", id3->frequency);
 728                 val=buffer;
 729                 break;
 730 #if CONFIG_CODEC == SWCODEC
 731             case LANG_ID3_TRACK_GAIN:
 732                 replaygain_itoa(buffer, buffer_len, id3->track_gain);
 733                 val=(id3->track_gain) ? buffer : NULL; /* only show gains!=0 */
 734                 break;
 735             case LANG_ID3_ALBUM_GAIN:
 736                 replaygain_itoa(buffer, buffer_len, id3->album_gain);
 737                 val=(id3->album_gain) ? buffer : NULL; /* only show gains!=0 */
 738                 break;
 739 #endif
 740             case LANG_ID3_PATH:
 741                 val=id3->path;
 742                 break;
 743             case LANG_ID3_COMPOSER:
 744                 val=id3->composer;
 745                 break;
 746             case LANG_FILESIZE: /* not LANG_ID3_FILESIZE because the string is shared */
 747                 output_dyn_value(buffer, buffer_len, id3->filesize, byte_units, true);
 748                 val=buffer;
 749                 break;
 750         }
 751         return val && *val ? val : NULL;
 752     }
 753 }
 754
 755 bool browse_id3(void)
 756 {
 757     struct gui_synclist id3_lists;
 758     struct mp3entry* id3 = audio_current_track();
 759     int key;
 760     unsigned int i;
 761     struct id3view_info info;
 762     info.count = 0;
 763     info.id3 = id3;
 764     for (i = 0; i < ARRAYLEN(id3_headers); i++)
 765     {
 766         char temp[8];
 767         info.info_id[i] = i;
 768         if (id3_get_info((i*2)+1, &info, temp, 8) != NULL)
 769             info.info_id[info.count++] = i;
 770     }
 771
 772     gui_synclist_init(&id3_lists, &id3_get_info, &info, true, 2, NULL);
 773     gui_synclist_set_nb_items(&id3_lists, info.count*2);
 774     gui_synclist_draw(&id3_lists);
 775     while (true) {
 776         key = get_action(CONTEXT_LIST,HZ/2);
 777         if(key!=ACTION_NONE && key!=ACTION_UNKNOWN
 778         && !gui_synclist_do_button(&id3_lists, &key,LIST_WRAP_UNLESS_HELD))
 779         {
 780             return(default_event_handler(key) == SYS_USB_CONNECTED);
 781         }
 782     }
 783 }
 784
 785 static const char* runtime_get_data(int selected_item, void* data,
 786                                     char* buffer, size_t buffer_len)
 787 {
 788     (void)data;
 789     int t;
 790     switch (selected_item)
 791     {
 792         case 0: return str(LANG_RUNNING_TIME);
 793         case 1: t = global_status.runtime;      break;
 794         case 2: return str(LANG_TOP_TIME);
 795         case 3: t = global_status.topruntime;   break;
 796         default:
 797             return "";
 798     }
 799
 800     snprintf(buffer, buffer_len, "%dh %dm %ds",
 801         t / 3600, (t % 3600) / 60, t % 60);
 802     return buffer;
 803 }
 804
 805 static int runtime_speak_data(int selected_item, void* data)
 806 {
 807     (void) data;
 808     talk_ids(false,
 809              (selected_item < 2) ? LANG_RUNNING_TIME : LANG_TOP_TIME,
 810              TALK_ID((selected_item < 2) ? global_status.runtime
 811                      : global_status.topruntime, UNIT_TIME));
 812     return 0;
 813 }
 814
 815
 816 bool view_runtime(void)
 817 {
 818     static const char *lines[]={ID2P(LANG_CLEAR_TIME)};
 819     static const struct text_message message={lines, 1};
 820
 821     struct gui_synclist lists;
 822     int action;
 823     gui_synclist_init(&lists, runtime_get_data, NULL, false, 2, NULL);
 824 #if !defined(HAVE_LCD_CHARCELLS)
 825     gui_synclist_set_title(&lists, str(LANG_RUNNING_TIME), NOICON);
 826 #else
 827     gui_synclist_set_title(&lists, NULL, NOICON);
 828 #endif
 829     if(global_settings.talk_menu)
 830         gui_synclist_set_voice_callback(&lists, runtime_speak_data);
 831     gui_synclist_set_icon_callback(&lists, NULL);
 832     gui_synclist_set_nb_items(&lists, 4);
 833     gui_synclist_speak_item(&lists);
 834     while(1)
 835     {
 836         global_status.runtime += ((current_tick - lasttime) / HZ);
 837
 838         lasttime = current_tick;
 839         gui_synclist_draw(&lists);
 840         list_do_action(CONTEXT_STD, HZ,
 841                     &lists, &action, LIST_WRAP_UNLESS_HELD);
 842         if(action == ACTION_STD_CANCEL)
 843             break;
 844         if(action == ACTION_STD_OK) {
 845             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 846             {
 847                 if (!(gui_synclist_get_sel_pos(&lists)/2))
 848                     global_status.runtime = 0;
 849                 else
 850                     global_status.topruntime = 0;
 851                 gui_synclist_speak_item(&lists);
 852             }
 853         }
 854         if(default_event_handler(action) == SYS_USB_CONNECTED)
 855             return true;
 856     }
 857     return false;
 858 }
 859
 860 #ifdef HAVE_TOUCHSCREEN
 861 static int get_sample(struct touchscreen_calibration *cal, int x, int y, int i,
 862                       struct screen* screen)
 863 {
 864     int action;
 865     short ts_x, ts_y;
 866
 867     /* Draw a cross */
 868     screen->drawline(x - 10, y, x - 2, y);
 869     screen->drawline(x + 2, y, x + 10, y);
 870     screen->drawline(x, y - 10, x, y - 2);
 871     screen->drawline(x, y + 2, x, y + 10);
 872     screen->update();
 873
 874     /* Wait for a touchscreen press */
 875     while(true)
 876     {
 877         action = get_action(CONTEXT_STD, TIMEOUT_BLOCK);
 878         if(action == ACTION_TOUCHSCREEN)
 879         {
 880             if(action_get_touchscreen_press(&ts_x, &ts_y) == BUTTON_REL)
 881                 break;
 882         }
 883         else if(action == ACTION_STD_CANCEL)
 884             return -1;
 885     }
 886
 887     cal->x[i][0] = ts_x;
 888     cal->y[i][0] = ts_y;
 889     cal->x[i][1] = x;
 890     cal->y[i][1] = y;
 891
 892     return 0;
 893 }
 894
 895
 896 int calibrate(void)
 897 {
 898     short points[3][2] = {
 899         {LCD_WIDTH/10, LCD_HEIGHT/10},
 900         {7*LCD_WIDTH/8, LCD_HEIGHT/2},
 901         {LCD_WIDTH/2, 7*LCD_HEIGHT/8}
 902     };
 903     struct screen* screen = &screens[SCREEN_MAIN];
 904     enum touchscreen_mode old_mode = touchscreen_get_mode();
 905     struct touchscreen_calibration cal;
 906     int i, ret = 0;
 907
 908     /* hide the statusbar */
 909     viewportmanager_theme_enable(SCREEN_MAIN, false, NULL);
 910
 911     touchscreen_disable_mapping(); /* set raw mode */
 912     touchscreen_set_mode(TOUCHSCREEN_POINT);
 913
 914     for(i=0; i<3; i++)
 915     {
 916         screen->clear_display();
 917
 918         if(get_sample(&cal, points[i][0], points[i][1], i, screen))
 919         {
 920             ret = -1;
 921             break;
 922         }
 923     }
 924
 925     if(ret == 0)
 926         touchscreen_calibrate(&cal);
 927     else
 928         touchscreen_reset_mapping();
 929
 930     memcpy(&global_settings.ts_calibration_data, &calibration_parameters,
 931         sizeof(struct touchscreen_parameter));
 932
 933     touchscreen_set_mode(old_mode);
 934     viewportmanager_theme_undo(SCREEN_MAIN, false);
 935
 936     settings_save();
 937     return ret;
 938 }
 939
 940 int reset_mapping(void)
 941 {
 942     touchscreen_reset_mapping();
 943
 944     memcpy(&global_settings.ts_calibration_data, &calibration_parameters,
 945         sizeof(struct touchscreen_parameter));
 946
 947     settings_save();
 948     return 0;
 949 }
 950 #endif