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 defined(ARCHOS_FMRECORDER) || defined(ARCHOS_RECORDERV2)
  59 #include "adc.h"
  60 #endif
  61
  62 #if (CONFIG_STORAGE & STORAGE_MMC) && (defined(ARCHOS_ONDIOSP) || defined(ARCHOS_ONDIOFM))
  63 int mmc_remove_request(void)
  64 {
  65     struct queue_event ev;
  66     FOR_NB_SCREENS(i)
  67         screens[i].clear_display();
  68     splash(0, ID2P(LANG_REMOVE_MMC));
  69
  70     while (1)
  71     {
  72         queue_wait_w_tmo(&button_queue, &ev, HZ/2);
  73         switch (ev.id)
  74         {
  75             case SYS_HOTSWAP_EXTRACTED:
  76                 return SYS_HOTSWAP_EXTRACTED;
  77
  78             case SYS_USB_DISCONNECTED:
  79                 return SYS_USB_DISCONNECTED;
  80         }
  81     }
  82 }
  83 #endif
  84
  85 /* the charging screen is only used for archos targets */
  86 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING) && defined(CPU_SH)
  87
  88 #ifdef HAVE_LCD_BITMAP
  89 static void charging_display_info(bool animate)
  90 {
  91     unsigned char charging_logo[36];
  92     const int pox_x = (LCD_WIDTH - sizeof(charging_logo)) / 2;
  93     const int pox_y = 32;
  94     static unsigned phase = 3;
  95     unsigned i;
  96
  97 #if !defined(NEED_ATA_POWER_BATT_MEASURE)
  98     {
  99         int battv = battery_voltage();
 100         lcd_putsf(0, 7, "  Batt: %d.%02dV %d%%  ", battv / 1000,
 101                  (battv % 1000) / 10, battery_level());
 102     }
 103 #elif defined(ARCHOS_FMRECORDER) || defined(ARCHOS_RECORDERV2)
 104     /* IDE power is normally off here, so display input current instead */
 105     lcd_putsf(7, 7, "%dmA  ",
 106               (adc_read(ADC_EXT_POWER) * EXT_SCALE_FACTOR) / 10000);
 107 #endif
 108
 109 #ifdef ARCHOS_RECORDER
 110     lcd_puts(0, 2, "Charge mode:");
 111
 112     const char *s;
 113     if (charge_state == CHARGING)
 114         s = str(LANG_BATTERY_CHARGE);
 115     else if (charge_state == TOPOFF)
 116         s = str(LANG_BATTERY_TOPOFF_CHARGE);
 117     else if (charge_state == TRICKLE)
 118         s = str(LANG_BATTERY_TRICKLE_CHARGE);
 119     else
 120         s = "not charging";
 121
 122     lcd_puts(0, 3, s);
 123     if (!charger_enabled())
 124         animate = false;
 125 #endif /* ARCHOS_RECORDER */
 126
 127     /* middle part */
 128     memset(charging_logo+3, 0x00, 32);
 129     charging_logo[0] = 0x3C;
 130     charging_logo[1] = 0x24;
 131     charging_logo[2] = charging_logo[35] = 0xFF;
 132
 133     if (!animate)
 134     {   /* draw the outline */
 135         /* middle part */
 136         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 8,
 137                         sizeof(charging_logo), 8);
 138         lcd_set_drawmode(DRMODE_FG);
 139         /* upper line */
 140         charging_logo[0] = charging_logo[1] = 0x00;
 141         memset(charging_logo+2, 0x80, 34);
 142         lcd_mono_bitmap(charging_logo, pox_x, pox_y, sizeof(charging_logo), 8);
 143         /* lower line */
 144         memset(charging_logo+2, 0x01, 34);
 145         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 16,
 146                         sizeof(charging_logo), 8);
 147         lcd_set_drawmode(DRMODE_SOLID);
 148     }
 149     else
 150     {   /* animate the middle part */
 151         for (i = 3; i<MIN(sizeof(charging_logo)-1, phase); i++)
 152         {
 153             if ((i-phase) % 8 == 0)
 154             {   /* draw a "bubble" here */
 155                 unsigned bitpos;
 156                 bitpos = (phase + i/8) % 15; /* "bounce" effect */
 157                 if (bitpos > 7)
 158                     bitpos = 14 - bitpos;
 159                 charging_logo[i] = BIT_N(bitpos);
 160             }
 161         }
 162         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 8,
 163                         sizeof(charging_logo), 8);
 164         phase++;
 165     }
 166     lcd_update();
 167 }
 168 #else /* not HAVE_LCD_BITMAP */
 169
 170 static unsigned long logo_chars[4];
 171 static const unsigned char logo_pattern[] = {
 172     0x07, 0x04, 0x1c, 0x14, 0x1c, 0x04, 0x07, 0, /* char 1 */
 173     0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0, /* char 2 */
 174     0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0, /* char 3 */
 175     0x1f, 0x01, 0x01, 0x01, 0x01, 0x01, 0x1f, 0, /* char 4 */
 176 };
 177
 178 static void logo_lock_patterns(bool on)
 179 {
 180     int i;
 181
 182     if (on)
 183     {
 184         for (i = 0; i < 4; i++)
 185             logo_chars[i] = lcd_get_locked_pattern();
 186     }
 187     else
 188     {
 189         for (i = 0; i < 4; i++)
 190             lcd_unlock_pattern(logo_chars[i]);
 191     }
 192 }
 193
 194 static void charging_display_info(bool animate)
 195 {
 196     int battv;
 197     unsigned i, ypos;
 198     static unsigned phase = 3;
 199     char buf[32];
 200
 201     battv = battery_voltage();
 202     lcd_putsf(4, 1, " %d.%02dV", battv / 1000, (battv % 1000) / 10);
 203
 204     memcpy(buf, logo_pattern, 32); /* copy logo patterns */
 205
 206     if (!animate) /* build the screen */
 207     {
 208         lcd_double_height(false);
 209         lcd_puts(0, 0, "[Charging]");
 210         for (i = 0; i < 4; i++)
 211             lcd_putc(i, 1, logo_chars[i]);
 212     }
 213     else          /* animate the logo */
 214     {
 215         for (i = 3; i < MIN(19, phase); i++)
 216         {
 217             if ((i - phase) % 5 == 0)
 218             {    /* draw a "bubble" here */
 219                 ypos = (phase + i/5) % 9; /* "bounce" effect */
 220                 if (ypos > 4)
 221                     ypos = 8 - ypos;
 222                 buf[5 - ypos + 8 * (i/5)] |= 0x10u >> (i%5);
 223             }
 224         }
 225         phase++;
 226     }
 227
 228     for (i = 0; i < 4; i++)
 229         lcd_define_pattern(logo_chars[i], buf + 8 * i);
 230
 231     lcd_update();
 232 }
 233 #endif /* (not) HAVE_LCD_BITMAP */
 234
 235 /* blocks while charging, returns on event:
 236    1 if charger cable was removed
 237    2 if Off/Stop key was pressed
 238    3 if On key was pressed
 239    4 if USB was connected */
 240
 241 int charging_screen(void)
 242 {
 243     unsigned int button;
 244     int rc = 0;
 245
 246     ide_power_enable(false); /* power down the disk, else would be spinning */
 247
 248     lcd_clear_display();
 249     backlight_set_timeout(global_settings.backlight_timeout);
 250 #ifdef HAVE_REMOTE_LCD
 251     remote_backlight_set_timeout(global_settings.remote_backlight_timeout);
 252 #endif
 253     backlight_set_timeout_plugged(global_settings.backlight_timeout_plugged);
 254
 255 #ifdef HAVE_LCD_CHARCELLS
 256     logo_lock_patterns(true);
 257 #endif
 258     charging_display_info(false);
 259
 260     do
 261     {
 262         gui_syncstatusbar_draw(&statusbars, false);
 263         charging_display_info(true);
 264         button = get_action(CONTEXT_STD,HZ/3);
 265         if (button == ACTION_STD_OK)
 266             rc = 2;
 267         else if (usb_detect() == USB_INSERTED)
 268             rc = 3;
 269         /* do not depend on power management thread here */
 270         else if (!(power_input_status() & POWER_INPUT_MAIN_CHARGER))
 271             rc = 1;
 272     } while (!rc);
 273
 274 #ifdef HAVE_LCD_CHARCELLS
 275     logo_lock_patterns(false);
 276 #endif
 277     return rc;
 278 }
 279 #endif /* CONFIG_CHARGING && !HAVE_POWEROFF_WHILE_CHARGING && defined(CPU_SH) */
 280
 281 #if CONFIG_CHARGING
 282 void charging_splash(void)
 283 {
 284     splash(2*HZ, str(LANG_BATTERY_CHARGE));
 285     button_clear_queue();
 286 }
 287 #endif
 288
 289
 290 #if defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0)
 291
 292 /* little helper function for voice output */
 293 static void say_time(int cursorpos, const struct tm *tm)
 294 {
 295     int value = 0;
 296     int unit = 0;
 297
 298     if (!global_settings.talk_menu)
 299         return;
 300
 301     switch(cursorpos)
 302     {
 303     case 0:
 304         value = tm->tm_hour;
 305         unit = UNIT_HOUR;
 306         break;
 307     case 1:
 308         value = tm->tm_min;
 309         unit = UNIT_MIN;
 310         break;
 311     case 2:
 312         value = tm->tm_sec;
 313         unit = UNIT_SEC;
 314         break;
 315     case 3:
 316         value = tm->tm_year + 1900;
 317         break;
 318     case 5:
 319         value = tm->tm_mday;
 320         break;
 321     }
 322
 323     if (cursorpos == 4) /* month */
 324         talk_id(LANG_MONTH_JANUARY + tm->tm_mon, false);
 325     else
 326         talk_value(value, unit, false);
 327 }
 328
 329
 330 #define INDEX_X 0
 331 #define INDEX_Y 1
 332
 333 #define SEPARATOR ":"
 334
 335 #define IDX_HOURS   0
 336 #define IDX_MINUTES 1
 337 #define IDX_SECONDS 2
 338 #define IDX_YEAR    3
 339 #define IDX_MONTH   4
 340 #define IDX_DAY     5
 341
 342 #define OFF_HOURS   0
 343 #define OFF_MINUTES 3
 344 #define OFF_SECONDS 6
 345 #define OFF_YEAR    9
 346 #define OFF_DAY     14
 347
 348 bool set_time_screen(const char* title, struct tm *tm)
 349 {
 350     struct viewport viewports[NB_SCREENS];
 351     bool done = false, usb = false;
 352     int cursorpos = 0;
 353     unsigned char offsets_ptr[] =
 354         { OFF_HOURS, OFF_MINUTES, OFF_SECONDS, OFF_YEAR, 0, OFF_DAY };
 355
 356     if (lang_is_rtl())
 357     {
 358         offsets_ptr[IDX_HOURS] = OFF_SECONDS;
 359         offsets_ptr[IDX_SECONDS] = OFF_HOURS;
 360         offsets_ptr[IDX_YEAR] = OFF_DAY;
 361         offsets_ptr[IDX_DAY] = OFF_YEAR;
 362     }
 363
 364     /* speak selection when screen is entered */
 365     say_time(cursorpos, tm);
 366
 367 #ifdef HAVE_TOUCHSCREEN
 368     enum touchscreen_mode old_mode = touchscreen_get_mode();
 369     touchscreen_set_mode(TOUCHSCREEN_BUTTON);
 370 #endif
 371     while (!done) {
 372         int button;
 373         unsigned int i, realyear, min, max;
 374         unsigned char *ptr[6];
 375         unsigned char buffer[20];
 376         int *valptr = NULL;
 377         static unsigned char daysinmonth[] =
 378             {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 379
 380         /* for easy acess in the drawing loop */
 381         for (i = 0; i < 6; i++)
 382             ptr[i] = buffer + offsets_ptr[i];
 383         ptr[IDX_MONTH] = str(LANG_MONTH_JANUARY + tm->tm_mon); /* month name */
 384
 385         /* calculate the number of days in febuary */
 386         realyear = tm->tm_year + 1900;
 387         if((realyear % 4 == 0 && !(realyear % 100 == 0)) || realyear % 400 == 0)
 388             daysinmonth[1] = 29;
 389         else
 390             daysinmonth[1] = 28;
 391
 392         /* fix day if month or year changed */
 393         if (tm->tm_mday > daysinmonth[tm->tm_mon])
 394             tm->tm_mday = daysinmonth[tm->tm_mon];
 395
 396         /* calculate day of week */
 397         set_day_of_week(tm);
 398
 399         /* put all the numbers we want from the tm struct into
 400            an easily printable buffer */
 401         snprintf(buffer, sizeof(buffer),
 402                  "%02d " "%02d " "%02d " "%04d " "%02d",
 403                  tm->tm_hour, tm->tm_min, tm->tm_sec,
 404                  tm->tm_year+1900, tm->tm_mday);
 405
 406         /* convert spaces in the buffer to '\0' to make it possible to work
 407            directly on the buffer */
 408         for(i=0; i < sizeof(buffer); i++)
 409         {
 410             if(buffer[i] == ' ')
 411                 buffer[i] = '\0';
 412         }
 413
 414         FOR_NB_SCREENS(s)
 415         {
 416             int pos, nb_lines;
 417             unsigned int separator_width, weekday_width;
 418             unsigned int j, width, prev_line_height;
 419             /* 6 possible cursor possitions, 2 values stored for each: x, y */
 420             unsigned int cursor[6][2];
 421             struct viewport *vp = &viewports[s];
 422             struct screen *screen = &screens[s];
 423             static unsigned char rtl_idx[] =
 424                 { IDX_SECONDS, IDX_MINUTES, IDX_HOURS, IDX_DAY, IDX_MONTH, IDX_YEAR };
 425
 426             viewport_set_defaults(vp, s);
 427             screen->set_viewport(vp);
 428             nb_lines = viewport_get_nb_lines(vp);
 429
 430             /* minimum lines needed is 2 + title line */
 431             if (nb_lines < 4)
 432             {
 433                 vp->font = FONT_SYSFIXED;
 434                 nb_lines = viewport_get_nb_lines(vp);
 435             }
 436
 437             /* recalculate the positions and offsets */
 438             if (nb_lines >= 3)
 439                 screen->getstringsize(title, NULL, &prev_line_height);
 440             else
 441                 prev_line_height = 0;
 442
 443             screen->getstringsize(SEPARATOR, &separator_width, NULL);
 444
 445             /* weekday */
 446             screen->getstringsize(str(LANG_WEEKDAY_SUNDAY + tm->tm_wday),
 447                                      &weekday_width, NULL);
 448             screen->getstringsize(" ", &separator_width, NULL);
 449
 450             for(i=0, j=0; i < 6; i++)
 451             {
 452                 if(i==3) /* second row */
 453                 {
 454                     j = weekday_width + separator_width;
 455                     prev_line_height *= 2;
 456                 }
 457                 screen->getstringsize(ptr[i], &width, NULL);
 458                 cursor[i][INDEX_Y] = prev_line_height;
 459                 cursor[i][INDEX_X] = j;
 460                 j += width + separator_width;
 461             }
 462
 463             /* draw the screen */
 464             screen->set_viewport(vp);
 465             screen->clear_viewport();
 466             /* display the screen title */
 467             screen->puts_scroll(0, 0, title);
 468
 469             /* these are not selectable, so we draw them outside the loop */
 470             /* name of the week day */
 471             screen->putsxy(0, cursor[3][INDEX_Y],
 472                               str(LANG_WEEKDAY_SUNDAY + tm->tm_wday));
 473
 474             pos = lang_is_rtl() ? rtl_idx[cursorpos] : cursorpos;
 475             /* draw the selected item with drawmode set to
 476                 DRMODE_SOLID|DRMODE_INVERSEVID, all other selectable
 477                 items with drawmode DRMODE_SOLID */
 478             for(i=0; i<6; i++)
 479             {
 480                 if (pos == (int)i)
 481                     vp->drawmode = (DRMODE_SOLID|DRMODE_INVERSEVID);
 482
 483                 screen->putsxy(cursor[i][INDEX_X],
 484                                   cursor[i][INDEX_Y], ptr[i]);
 485
 486                 vp->drawmode = DRMODE_SOLID;
 487
 488                 screen->putsxy(cursor[i/4 +1][INDEX_X] - separator_width,
 489                                   cursor[0][INDEX_Y], SEPARATOR);
 490             }
 491
 492             /* print help text */
 493             if (nb_lines > 4)
 494                 screen->puts(0, 4, str(LANG_TIME_SET_BUTTON));
 495             if (nb_lines > 5)
 496                 screen->puts(0, 5, str(LANG_TIME_REVERT));
 497             screen->update_viewport();
 498             screen->set_viewport(NULL);
 499         }
 500
 501         /* set the most common numbers */
 502         min = 0;
 503         max = 59;
 504         /* calculate the minimum and maximum for the number under cursor */
 505         switch(cursorpos) {
 506             case 0: /* hour */
 507                 max = 23;
 508                 valptr = &tm->tm_hour;
 509                 break;
 510             case 1: /* minute */
 511                 valptr = &tm->tm_min;
 512                 break;
 513             case 2: /* second */
 514                 valptr = &tm->tm_sec;
 515                 break;
 516             case 3: /* year */
 517                 min = 1;
 518                 max = 200;
 519                 valptr = &tm->tm_year;
 520                 break;
 521             case 4: /* month */
 522                 max = 11;
 523                 valptr = &tm->tm_mon;
 524                 break;
 525             case 5: /* day */
 526                 min = 1;
 527                 max = daysinmonth[tm->tm_mon];
 528                 valptr = &tm->tm_mday;
 529                 break;
 530         }
 531
 532         button = get_action(CONTEXT_SETTINGS_TIME, TIMEOUT_BLOCK);
 533         switch ( button ) {
 534             case ACTION_STD_PREV:
 535                 cursorpos = clamp_value_wrap(--cursorpos, 5, 0);
 536                 say_time(cursorpos, tm);
 537                 break;
 538             case ACTION_STD_NEXT:
 539                 cursorpos = clamp_value_wrap(++cursorpos, 5, 0);
 540                 say_time(cursorpos, tm);
 541                 break;
 542             case ACTION_SETTINGS_INC:
 543             case ACTION_SETTINGS_INCREPEAT:
 544                 *valptr = clamp_value_wrap(++(*valptr), max, min);
 545                 say_time(cursorpos, tm);
 546                 break;
 547             case ACTION_SETTINGS_DEC:
 548             case ACTION_SETTINGS_DECREPEAT:
 549                 *valptr = clamp_value_wrap(--(*valptr), max, min);
 550                 say_time(cursorpos, tm);
 551                 break;
 552
 553             case ACTION_STD_OK:
 554                 done = true;
 555                 break;
 556
 557             case ACTION_STD_CANCEL:
 558                 done = true;
 559                 tm->tm_year = -1;
 560                 break;
 561
 562             default:
 563                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 564                     done = usb = true;
 565                 break;
 566         }
 567     }
 568     FOR_NB_SCREENS(s)
 569         screens[s].scroll_stop(&viewports[s]);
 570 #ifdef HAVE_TOUCHSCREEN
 571     touchscreen_set_mode(old_mode);
 572 #endif
 573     return usb;
 574 }
 575 #endif /* defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0) */
 576
 577 #if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 578 bool shutdown_screen(void)
 579 {
 580     int button;
 581     bool done = false;
 582     long time_entered = current_tick;
 583
 584     lcd_stop_scroll();
 585
 586     splash(0, str(LANG_CONFIRM_SHUTDOWN));
 587
 588     while(!done && TIME_BEFORE(current_tick,time_entered+HZ*2))
 589     {
 590         button = get_action(CONTEXT_STD,HZ);
 591         switch(button)
 592         {
 593             case ACTION_STD_CANCEL:
 594                 sys_poweroff();
 595                 break;
 596
 597             /* do nothing here, because ACTION_NONE might be caused
 598              * by timeout or button release. In case of timeout the loop
 599              * is terminated by TIME_BEFORE */
 600             case ACTION_NONE:
 601                 break;
 602
 603             default:
 604                 if(default_event_handler(button) == SYS_USB_CONNECTED)
 605                     return true;
 606                 done = true;
 607                 break;
 608         }
 609     }
 610     return false;
 611 }
 612 #endif
 613
 614 static const int id3_headers[]=
 615 {
 616     LANG_ID3_TITLE,
 617     LANG_ID3_ARTIST,
 618     LANG_ID3_COMPOSER,
 619     LANG_ID3_ALBUM,
 620     LANG_ID3_ALBUMARTIST,
 621     LANG_ID3_GROUPING,
 622     LANG_ID3_DISCNUM,
 623     LANG_ID3_TRACKNUM,
 624     LANG_ID3_COMMENT,
 625     LANG_ID3_GENRE,
 626     LANG_ID3_YEAR,
 627     LANG_ID3_LENGTH,
 628     LANG_ID3_PLAYLIST,
 629     LANG_ID3_BITRATE,
 630     LANG_ID3_FREQUENCY,
 631 #if CONFIG_CODEC == SWCODEC
 632     LANG_ID3_TRACK_GAIN,
 633     LANG_ID3_ALBUM_GAIN,
 634 #endif
 635     LANG_FILESIZE,
 636     LANG_ID3_PATH,
 637 };
 638
 639 struct id3view_info {
 640     struct mp3entry* id3;
 641     int count;
 642     int info_id[ARRAYLEN(id3_headers)];
 643 };
 644
 645 static const char* id3_get_info(int selected_item, void* data,
 646                                 char *buffer, size_t buffer_len)
 647 {
 648     struct id3view_info *info = (struct id3view_info*)data;
 649     struct mp3entry* id3 =info->id3;
 650     int info_no=selected_item/2;
 651     if(!(selected_item%2))
 652     {/* header */
 653         snprintf(buffer, buffer_len,
 654                  "[%s]", str(id3_headers[info->info_id[info_no]]));
 655         return buffer;
 656     }
 657     else
 658     {/* data */
 659
 660         char * val=NULL;
 661         switch(id3_headers[info->info_id[info_no]])
 662         {
 663             case LANG_ID3_TITLE:
 664                 val=id3->title;
 665                 break;
 666             case LANG_ID3_ARTIST:
 667                 val=id3->artist;
 668                 break;
 669             case LANG_ID3_ALBUM:
 670                 val=id3->album;
 671                 break;
 672             case LANG_ID3_ALBUMARTIST:
 673                 val=id3->albumartist;
 674                 break;
 675             case LANG_ID3_GROUPING:
 676                 val=id3->grouping;
 677                 break;
 678             case LANG_ID3_DISCNUM:
 679                 if (id3->disc_string)
 680                     val = id3->disc_string;
 681                 else if (id3->discnum)
 682                 {
 683                     snprintf(buffer, buffer_len, "%d", id3->discnum);
 684                     val = buffer;
 685                 }
 686                 break;
 687             case LANG_ID3_TRACKNUM:
 688                 if (id3->track_string)
 689                     val = id3->track_string;
 690                 else if (id3->tracknum)
 691                 {
 692                     snprintf(buffer, buffer_len, "%d", id3->tracknum);
 693                     val = buffer;
 694                 }
 695                 break;
 696             case LANG_ID3_COMMENT:
 697                 if (!id3->comment)
 698                     return NULL;
 699                 snprintf(buffer, buffer_len, "%s", id3->comment);
 700                 val=buffer;
 701                 break;
 702             case LANG_ID3_GENRE:
 703                 val = id3->genre_string;
 704                 break;
 705             case LANG_ID3_YEAR:
 706                 if (id3->year_string)
 707                     val = id3->year_string;
 708                 else if (id3->year)
 709                 {
 710                     snprintf(buffer, buffer_len, "%d", id3->year);
 711                     val = buffer;
 712                 }
 713                 break;
 714             case LANG_ID3_LENGTH:
 715                 format_time(buffer, buffer_len, id3->length);
 716                 val=buffer;
 717                 break;
 718             case LANG_ID3_PLAYLIST:
 719                 snprintf(buffer, buffer_len, "%d/%d",
 720                          playlist_get_display_index(), playlist_amount());
 721                 val=buffer;
 722                 break;
 723             case LANG_ID3_BITRATE:
 724                 snprintf(buffer, buffer_len, "%d kbps%s", id3->bitrate,
 725             id3->vbr ? str(LANG_ID3_VBR) : (const unsigned char*) "");
 726                 val=buffer;
 727                 break;
 728             case LANG_ID3_FREQUENCY:
 729                 snprintf(buffer, buffer_len, "%ld Hz", id3->frequency);
 730                 val=buffer;
 731                 break;
 732 #if CONFIG_CODEC == SWCODEC
 733             case LANG_ID3_TRACK_GAIN:
 734                 replaygain_itoa(buffer, buffer_len, id3->track_level);
 735                 val=(id3->track_level) ? buffer : NULL; /* only show level!=0 */
 736                 break;
 737             case LANG_ID3_ALBUM_GAIN:
 738                 replaygain_itoa(buffer, buffer_len, id3->album_level);
 739                 val=(id3->album_level) ? buffer : NULL; /* only show level!=0 */
 740                 break;
 741 #endif
 742             case LANG_ID3_PATH:
 743                 val=id3->path;
 744                 break;
 745             case LANG_ID3_COMPOSER:
 746                 val=id3->composer;
 747                 break;
 748             case LANG_FILESIZE: /* not LANG_ID3_FILESIZE because the string is shared */
 749                 output_dyn_value(buffer, buffer_len, id3->filesize, byte_units, true);
 750                 val=buffer;
 751                 break;
 752         }
 753         return val && *val ? val : NULL;
 754     }
 755 }
 756
 757 bool browse_id3(void)
 758 {
 759     struct gui_synclist id3_lists;
 760     struct mp3entry* id3 = audio_current_track();
 761     int key;
 762     unsigned int i;
 763     struct id3view_info info;
 764     info.count = 0;
 765     info.id3 = id3;
 766     bool ret = false;
 767     push_current_activity(ACTIVITY_ID3SCREEN);
 768     for (i = 0; i < ARRAYLEN(id3_headers); i++)
 769     {
 770         char temp[8];
 771         info.info_id[i] = i;
 772         if (id3_get_info((i*2)+1, &info, temp, 8) != NULL)
 773             info.info_id[info.count++] = i;
 774     }
 775
 776     gui_synclist_init(&id3_lists, &id3_get_info, &info, true, 2, NULL);
 777     gui_synclist_set_nb_items(&id3_lists, info.count*2);
 778     gui_synclist_draw(&id3_lists);
 779     while (true) {
 780         key = get_action(CONTEXT_LIST,HZ/2);
 781         if(!gui_synclist_do_button(&id3_lists, &key,LIST_WRAP_UNLESS_HELD))
 782         {
 783             if (key == ACTION_STD_OK || key == ACTION_STD_CANCEL)
 784             {
 785                 ret = false;
 786                 break;
 787             }
 788             else if (key == ACTION_STD_MENU ||
 789                         default_event_handler(key) == SYS_USB_CONNECTED)
 790             {
 791                 ret =  true;
 792                 break;
 793             }
 794         }
 795     }
 796
 797     pop_current_activity();
 798     return ret;
 799 }
 800
 801 static const char* runtime_get_data(int selected_item, void* data,
 802                                     char* buffer, size_t buffer_len)
 803 {
 804     (void)data;
 805     int t;
 806     switch (selected_item)
 807     {
 808         case 0: return str(LANG_RUNNING_TIME);
 809         case 1: t = global_status.runtime;      break;
 810         case 2: return str(LANG_TOP_TIME);
 811         case 3: t = global_status.topruntime;   break;
 812         default:
 813             return "";
 814     }
 815
 816     snprintf(buffer, buffer_len, "%dh %dm %ds",
 817         t / 3600, (t % 3600) / 60, t % 60);
 818     return buffer;
 819 }
 820
 821 static int runtime_speak_data(int selected_item, void* data)
 822 {
 823     (void) data;
 824     talk_ids(false,
 825              (selected_item < 2) ? LANG_RUNNING_TIME : LANG_TOP_TIME,
 826              TALK_ID((selected_item < 2) ? global_status.runtime
 827                      : global_status.topruntime, UNIT_TIME));
 828     return 0;
 829 }
 830
 831
 832 bool view_runtime(void)
 833 {
 834     static const char *lines[]={ID2P(LANG_CLEAR_TIME)};
 835     static const struct text_message message={lines, 1};
 836
 837     struct gui_synclist lists;
 838     int action;
 839     gui_synclist_init(&lists, runtime_get_data, NULL, false, 2, NULL);
 840 #if !defined(HAVE_LCD_CHARCELLS)
 841     gui_synclist_set_title(&lists, str(LANG_RUNNING_TIME), NOICON);
 842 #else
 843     gui_synclist_set_title(&lists, NULL, NOICON);
 844 #endif
 845     if(global_settings.talk_menu)
 846         gui_synclist_set_voice_callback(&lists, runtime_speak_data);
 847     gui_synclist_set_icon_callback(&lists, NULL);
 848     gui_synclist_set_nb_items(&lists, 4);
 849     gui_synclist_speak_item(&lists);
 850     while(1)
 851     {
 852         global_status.runtime += ((current_tick - lasttime) / HZ);
 853
 854         lasttime = current_tick;
 855         gui_synclist_draw(&lists);
 856         list_do_action(CONTEXT_STD, HZ,
 857                     &lists, &action, LIST_WRAP_UNLESS_HELD);
 858         if(action == ACTION_STD_CANCEL)
 859             break;
 860         if(action == ACTION_STD_OK) {
 861             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 862             {
 863                 if (!(gui_synclist_get_sel_pos(&lists)/2))
 864                     global_status.runtime = 0;
 865                 else
 866                     global_status.topruntime = 0;
 867                 gui_synclist_speak_item(&lists);
 868             }
 869         }
 870         if(default_event_handler(action) == SYS_USB_CONNECTED)
 871             return true;
 872     }
 873     return false;
 874 }
 875
 876 #ifdef HAVE_TOUCHSCREEN
 877 static int get_sample(struct touchscreen_calibration *cal, int x, int y, int i,
 878                       struct screen* screen)
 879 {
 880     int action;
 881     short ts_x, ts_y;
 882
 883     /* Draw a cross */
 884     screen->drawline(x - 10, y, x - 2, y);
 885     screen->drawline(x + 2, y, x + 10, y);
 886     screen->drawline(x, y - 10, x, y - 2);
 887     screen->drawline(x, y + 2, x, y + 10);
 888     screen->update();
 889
 890     /* Wait for a touchscreen press */
 891     while(true)
 892     {
 893         action = get_action(CONTEXT_STD, TIMEOUT_BLOCK);
 894         if(action == ACTION_TOUCHSCREEN)
 895         {
 896             if(action_get_touchscreen_press(&ts_x, &ts_y) == BUTTON_REL)
 897                 break;
 898         }
 899         else if(action == ACTION_STD_CANCEL)
 900             return -1;
 901     }
 902
 903     cal->x[i][0] = ts_x;
 904     cal->y[i][0] = ts_y;
 905     cal->x[i][1] = x;
 906     cal->y[i][1] = y;
 907
 908     return 0;
 909 }
 910
 911
 912 int calibrate(void)
 913 {
 914     short points[3][2] = {
 915         {LCD_WIDTH/10, LCD_HEIGHT/10},
 916         {7*LCD_WIDTH/8, LCD_HEIGHT/2},
 917         {LCD_WIDTH/2, 7*LCD_HEIGHT/8}
 918     };
 919     struct screen* screen = &screens[SCREEN_MAIN];
 920     enum touchscreen_mode old_mode = touchscreen_get_mode();
 921     struct touchscreen_calibration cal;
 922     int i, ret = 0;
 923
 924     /* hide the statusbar */
 925     viewportmanager_theme_enable(SCREEN_MAIN, false, NULL);
 926
 927     touchscreen_disable_mapping(); /* set raw mode */
 928     touchscreen_set_mode(TOUCHSCREEN_POINT);
 929
 930     for(i=0; i<3; i++)
 931     {
 932         screen->clear_display();
 933
 934         if(get_sample(&cal, points[i][0], points[i][1], i, screen))
 935         {
 936             ret = -1;
 937             break;
 938         }
 939     }
 940
 941     if(ret == 0)
 942         touchscreen_calibrate(&cal);
 943     else
 944         touchscreen_reset_mapping();
 945
 946     memcpy(&global_settings.ts_calibration_data, &calibration_parameters,
 947         sizeof(struct touchscreen_parameter));
 948
 949     touchscreen_set_mode(old_mode);
 950     viewportmanager_theme_undo(SCREEN_MAIN, false);
 951
 952     settings_save();
 953     return ret;
 954 }
 955
 956 int reset_mapping(void)
 957 {
 958     touchscreen_reset_mapping();
 959
 960     memcpy(&global_settings.ts_calibration_data, &calibration_parameters,
 961         sizeof(struct touchscreen_parameter));
 962
 963     settings_save();
 964     return 0;
 965 }
 966 #endif