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 "sprintf.h"
  38 #include "kernel.h"
  39 #include "power.h"
  40 #include "system.h"
  41 #include "powermgmt.h"
  42 #include "talk.h"
  43 #include "misc.h"
  44 #include "metadata.h"
  45 #include "screens.h"
  46 #include "debug.h"
  47 #include "led.h"
  48 #include "sound.h"
  49 #include "splash.h"
  50 #include "statusbar.h"
  51 #include "screen_access.h"
  52 #include "pcmbuf.h"
  53 #include "list.h"
  54 #include "yesno.h"
  55 #include "backdrop.h"
  56 #include "viewport.h"
  57 #include "language.h"
  58
  59 #if (CONFIG_STORAGE & STORAGE_MMC)
  60 #include "ata_mmc.h"
  61 #endif
  62 #if CONFIG_CODEC == SWCODEC
  63 #include "dsp.h"
  64 #endif
  65
  66 /* only used in set_time screen */
  67 #if defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0)
  68 static int clamp_value_wrap(int value, int max, int min)
  69 {
  70     if (value > max)
  71         return min;
  72     if (value < min)
  73         return max;
  74     return value;
  75 }
  76 #endif
  77
  78 #if (CONFIG_STORAGE & STORAGE_MMC)
  79 int mmc_remove_request(void)
  80 {
  81     struct queue_event ev;
  82     int i;
  83     FOR_NB_SCREENS(i)
  84         screens[i].clear_display();
  85     splash(0, ID2P(LANG_REMOVE_MMC));
  86
  87     while (1)
  88     {
  89         queue_wait_w_tmo(&button_queue, &ev, HZ/2);
  90         switch (ev.id)
  91         {
  92             case SYS_HOTSWAP_EXTRACTED:
  93                 return SYS_HOTSWAP_EXTRACTED;
  94
  95             case SYS_USB_DISCONNECTED:
  96                 return SYS_USB_DISCONNECTED;
  97         }
  98     }
  99 }
 100 #endif
 101
 102 /* the charging screen is only used for archos targets */
 103 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING) && defined(CPU_SH)
 104
 105 #ifdef HAVE_LCD_BITMAP
 106 static void charging_display_info(bool animate)
 107 {
 108     unsigned char charging_logo[36];
 109     const int pox_x = (LCD_WIDTH - sizeof(charging_logo)) / 2;
 110     const int pox_y = 32;
 111     static unsigned phase = 3;
 112     unsigned i;
 113
 114 #ifdef NEED_ATA_POWER_BATT_MEASURE
 115     if (ide_powered()) /* FM and V2 can only measure when ATA power is on */
 116 #endif
 117     {
 118         int battv = battery_voltage();
 119         lcd_putsf(0, 7, "  Batt: %d.%02dV %d%%  ", battv / 1000,
 120                  (battv % 1000) / 10, battery_level());
 121     }
 122
 123 #ifdef ARCHOS_RECORDER
 124     lcd_puts(0, 2, "Charge mode:");
 125
 126     const char *s;
 127     if (charge_state == CHARGING)
 128         s = str(LANG_BATTERY_CHARGE);
 129     else if (charge_state == TOPOFF)
 130         s = str(LANG_BATTERY_TOPOFF_CHARGE);
 131     else if (charge_state == TRICKLE)
 132         s = str(LANG_BATTERY_TRICKLE_CHARGE);
 133     else
 134         s = "not charging";
 135
 136     lcd_puts(0, 3, s);
 137     if (!charger_enabled())
 138         animate = false;
 139 #endif /* ARCHOS_RECORDER */
 140
 141     /* middle part */
 142     memset(charging_logo+3, 0x00, 32);
 143     charging_logo[0] = 0x3C;
 144     charging_logo[1] = 0x24;
 145     charging_logo[2] = charging_logo[35] = 0xFF;
 146
 147     if (!animate)
 148     {   /* draw the outline */
 149         /* middle part */
 150         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 8,
 151                         sizeof(charging_logo), 8);
 152         lcd_set_drawmode(DRMODE_FG);
 153         /* upper line */
 154         charging_logo[0] = charging_logo[1] = 0x00;
 155         memset(charging_logo+2, 0x80, 34);
 156         lcd_mono_bitmap(charging_logo, pox_x, pox_y, sizeof(charging_logo), 8);
 157         /* lower line */
 158         memset(charging_logo+2, 0x01, 34);
 159         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 16,
 160                         sizeof(charging_logo), 8);
 161         lcd_set_drawmode(DRMODE_SOLID);
 162     }
 163     else
 164     {   /* animate the middle part */
 165         for (i = 3; i<MIN(sizeof(charging_logo)-1, phase); i++)
 166         {
 167             if ((i-phase) % 8 == 0)
 168             {   /* draw a "bubble" here */
 169                 unsigned bitpos;
 170                 bitpos = (phase + i/8) % 15; /* "bounce" effect */
 171                 if (bitpos > 7)
 172                     bitpos = 14 - bitpos;
 173                 charging_logo[i] = BIT_N(bitpos);
 174             }
 175         }
 176         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 8,
 177                         sizeof(charging_logo), 8);
 178         phase++;
 179     }
 180     lcd_update();
 181 }
 182 #else /* not HAVE_LCD_BITMAP */
 183
 184 static unsigned long logo_chars[4];
 185 static const unsigned char logo_pattern[] = {
 186     0x07, 0x04, 0x1c, 0x14, 0x1c, 0x04, 0x07, 0, /* char 1 */
 187     0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0, /* char 2 */
 188     0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0, /* char 3 */
 189     0x1f, 0x01, 0x01, 0x01, 0x01, 0x01, 0x1f, 0, /* char 4 */
 190 };
 191
 192 static void logo_lock_patterns(bool on)
 193 {
 194     int i;
 195
 196     if (on)
 197     {
 198         for (i = 0; i < 4; i++)
 199             logo_chars[i] = lcd_get_locked_pattern();
 200     }
 201     else
 202     {
 203         for (i = 0; i < 4; i++)
 204             lcd_unlock_pattern(logo_chars[i]);
 205     }
 206 }
 207
 208 static void charging_display_info(bool animate)
 209 {
 210     int battv;
 211     unsigned i, ypos;
 212     static unsigned phase = 3;
 213     char buf[32];
 214
 215     battv = battery_voltage();
 216     lcd_putsf(4, 1, " %d.%02dV", battv / 1000, (battv % 1000) / 10);
 217
 218     memcpy(buf, logo_pattern, 32); /* copy logo patterns */
 219
 220     if (!animate) /* build the screen */
 221     {
 222         lcd_double_height(false);
 223         lcd_puts(0, 0, "[Charging]");
 224         for (i = 0; i < 4; i++)
 225             lcd_putc(i, 1, logo_chars[i]);
 226     }
 227     else          /* animate the logo */
 228     {
 229         for (i = 3; i < MIN(19, phase); i++)
 230         {
 231             if ((i - phase) % 5 == 0)
 232             {    /* draw a "bubble" here */
 233                 ypos = (phase + i/5) % 9; /* "bounce" effect */
 234                 if (ypos > 4)
 235                     ypos = 8 - ypos;
 236                 buf[5 - ypos + 8 * (i/5)] |= 0x10u >> (i%5);
 237             }
 238         }
 239         phase++;
 240     }
 241
 242     for (i = 0; i < 4; i++)
 243         lcd_define_pattern(logo_chars[i], buf + 8 * i);
 244
 245     lcd_update();
 246 }
 247 #endif /* (not) HAVE_LCD_BITMAP */
 248
 249 /* blocks while charging, returns on event:
 250    1 if charger cable was removed
 251    2 if Off/Stop key was pressed
 252    3 if On key was pressed
 253    4 if USB was connected */
 254
 255 int charging_screen(void)
 256 {
 257     unsigned int button;
 258     int rc = 0;
 259
 260     ide_power_enable(false); /* power down the disk, else would be spinning */
 261
 262     lcd_clear_display();
 263     backlight_set_timeout(global_settings.backlight_timeout);
 264 #ifdef HAVE_REMOTE_LCD
 265     remote_backlight_set_timeout(global_settings.remote_backlight_timeout);
 266 #endif
 267     backlight_set_timeout_plugged(global_settings.backlight_timeout_plugged);
 268
 269 #ifdef HAVE_LCD_CHARCELLS
 270     logo_lock_patterns(true);
 271 #endif
 272     charging_display_info(false);
 273
 274     do
 275     {
 276         gui_syncstatusbar_draw(&statusbars, false);
 277         charging_display_info(true);
 278         button = get_action(CONTEXT_STD,HZ/3);
 279         if (button == ACTION_STD_OK)
 280             rc = 2;
 281         else if (usb_detect() == USB_INSERTED)
 282             rc = 3;
 283         else if (!charger_inserted())
 284             rc = 1;
 285     } while (!rc);
 286
 287 #ifdef HAVE_LCD_CHARCELLS
 288     logo_lock_patterns(false);
 289 #endif
 290     return rc;
 291 }
 292 #endif /* CONFIG_CHARGING && !HAVE_POWEROFF_WHILE_CHARGING && defined(CPU_SH) */
 293
 294 #if CONFIG_CHARGING
 295 void charging_splash(void)
 296 {
 297     splash(2*HZ, str(LANG_BATTERY_CHARGE));
 298     button_clear_queue();
 299 }
 300 #endif
 301
 302
 303 #if defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0)
 304
 305 /* little helper function for voice output */
 306 static void say_time(int cursorpos, const struct tm *tm)
 307 {
 308     int value = 0;
 309     int unit = 0;
 310
 311     if (!global_settings.talk_menu)
 312         return;
 313
 314     switch(cursorpos)
 315     {
 316     case 0:
 317         value = tm->tm_hour;
 318         unit = UNIT_HOUR;
 319         break;
 320     case 1:
 321         value = tm->tm_min;
 322         unit = UNIT_MIN;
 323         break;
 324     case 2:
 325         value = tm->tm_sec;
 326         unit = UNIT_SEC;
 327         break;
 328     case 3:
 329         value = tm->tm_year + 1900;
 330         break;
 331     case 5:
 332         value = tm->tm_mday;
 333         break;
 334     }
 335
 336     if (cursorpos == 4) /* month */
 337         talk_id(LANG_MONTH_JANUARY + tm->tm_mon, false);
 338     else
 339         talk_value(value, unit, false);
 340 }
 341
 342
 343 #define INDEX_X 0
 344 #define INDEX_Y 1
 345
 346 #define SEPARATOR ":"
 347
 348 #define IDX_HOURS   0
 349 #define IDX_MINUTES 1
 350 #define IDX_SECONDS 2
 351 #define IDX_YEAR    3
 352 #define IDX_MONTH   4
 353 #define IDX_DAY     5
 354
 355 #define OFF_HOURS   0
 356 #define OFF_MINUTES 3
 357 #define OFF_SECONDS 6
 358 #define OFF_YEAR    9
 359 #define OFF_DAY     14
 360
 361 bool set_time_screen(const char* title, struct tm *tm)
 362 {
 363     bool done = false;
 364     int cursorpos = 0;
 365     unsigned int statusbar_height = 0;
 366     unsigned char offsets_ptr[] =
 367         { OFF_HOURS, OFF_MINUTES, OFF_SECONDS, OFF_YEAR, 0, OFF_DAY };
 368
 369     if (lang_is_rtl())
 370     {
 371         offsets_ptr[IDX_HOURS] = OFF_SECONDS;
 372         offsets_ptr[IDX_SECONDS] = OFF_HOURS;
 373         offsets_ptr[IDX_YEAR] = OFF_DAY;
 374         offsets_ptr[IDX_DAY] = OFF_YEAR;
 375     }
 376
 377     if(global_settings.statusbar)
 378         statusbar_height = STATUSBAR_HEIGHT;
 379
 380     /* speak selection when screen is entered */
 381     say_time(cursorpos, tm);
 382
 383     while (!done) {
 384         int button;
 385         unsigned int i, s, realyear, min, max;
 386         unsigned char *ptr[6];
 387         unsigned char buffer[20];
 388         int *valptr = NULL;
 389         static unsigned char daysinmonth[] =
 390             {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 391
 392         /* for easy acess in the drawing loop */
 393         for (i = 0; i < 6; i++)
 394             ptr[i] = buffer + offsets_ptr[i];
 395         ptr[IDX_MONTH] = str(LANG_MONTH_JANUARY + tm->tm_mon); /* month name */
 396
 397         /* calculate the number of days in febuary */
 398         realyear = tm->tm_year + 1900;
 399         if((realyear % 4 == 0 && !(realyear % 100 == 0)) || realyear % 400 == 0)
 400             daysinmonth[1] = 29;
 401         else
 402             daysinmonth[1] = 28;
 403
 404         /* fix day if month or year changed */
 405         if (tm->tm_mday > daysinmonth[tm->tm_mon])
 406             tm->tm_mday = daysinmonth[tm->tm_mon];
 407
 408         /* calculate day of week */
 409         set_day_of_week(tm);
 410
 411         /* put all the numbers we want from the tm struct into
 412            an easily printable buffer */
 413         snprintf(buffer, sizeof(buffer),
 414                  "%02d " "%02d " "%02d " "%04d " "%02d",
 415                  tm->tm_hour, tm->tm_min, tm->tm_sec,
 416                  tm->tm_year+1900, tm->tm_mday);
 417
 418         /* convert spaces in the buffer to '\0' to make it possible to work
 419            directly on the buffer */
 420         for(i=0; i < sizeof(buffer); i++)
 421         {
 422             if(buffer[i] == ' ')
 423                 buffer[i] = '\0';
 424         }
 425
 426         FOR_NB_SCREENS(s)
 427         {
 428             int pos, nb_lines;
 429             unsigned int separator_width, weekday_width;
 430             unsigned int j, width, prev_line_height;
 431             struct viewport viewports[NB_SCREENS];
 432             /* 6 possible cursor possitions, 2 values stored for each: x, y */
 433             unsigned int cursor[6][2];
 434             struct viewport *vp = &viewports[s];
 435             struct screen *screen = &screens[s];
 436             static unsigned char rtl_idx[] =
 437                 { IDX_SECONDS, IDX_MINUTES, IDX_HOURS, IDX_DAY, IDX_MONTH, IDX_YEAR };
 438
 439             viewport_set_defaults(vp, s);
 440             screen->set_viewport(vp);
 441             nb_lines = viewport_get_nb_lines(vp);
 442
 443             /* minimum lines needed is 2 + title line */
 444             if (nb_lines < 4)
 445             {
 446                 vp->font = FONT_SYSFIXED;
 447                 nb_lines = viewport_get_nb_lines(vp);
 448             }
 449
 450             /* recalculate the positions and offsets */
 451             if (nb_lines >= 3)
 452                 screen->getstringsize(title, NULL, &prev_line_height);
 453             else
 454                 prev_line_height = 0;
 455
 456             screen->getstringsize(SEPARATOR, &separator_width, NULL);
 457
 458             /* weekday */
 459             screen->getstringsize(str(LANG_WEEKDAY_SUNDAY + tm->tm_wday),
 460                                      &weekday_width, NULL);
 461             screen->getstringsize(" ", &separator_width, NULL);
 462
 463             for(i=0, j=0; i < 6; i++)
 464             {
 465                 if(i==3) /* second row */
 466                 {
 467                     j = weekday_width + separator_width;
 468                     prev_line_height *= 2;
 469                 }
 470                 screen->getstringsize(ptr[i], &width, NULL);
 471                 cursor[i][INDEX_Y] = prev_line_height + statusbar_height;
 472                 cursor[i][INDEX_X] = j;
 473                 j += width + separator_width;
 474             }
 475
 476             /* draw the screen */
 477             screen->set_viewport(vp);
 478             screen->clear_viewport();
 479             /* display the screen title */
 480             screen->puts_scroll(0, 0, title);
 481
 482             /* these are not selectable, so we draw them outside the loop */
 483             /* name of the week day */
 484             screen->putsxy(0, cursor[3][INDEX_Y],
 485                               str(LANG_WEEKDAY_SUNDAY + tm->tm_wday));
 486
 487             pos = lang_is_rtl() ? rtl_idx[cursorpos] : cursorpos;
 488             /* draw the selected item with drawmode set to
 489                 DRMODE_SOLID|DRMODE_INVERSEVID, all other selectable
 490                 items with drawmode DRMODE_SOLID */
 491             for(i=0; i<6; i++)
 492             {
 493                 if (pos == (int)i)
 494                     vp->drawmode = (DRMODE_SOLID|DRMODE_INVERSEVID);
 495
 496                 screen->putsxy(cursor[i][INDEX_X],
 497                                   cursor[i][INDEX_Y], ptr[i]);
 498
 499                 vp->drawmode = DRMODE_SOLID;
 500
 501                 screen->putsxy(cursor[i/4 +1][INDEX_X] - separator_width,
 502                                   cursor[0][INDEX_Y], SEPARATOR);
 503             }
 504
 505             /* print help text */
 506             if (nb_lines > 4)
 507                 screen->puts(0, 4, str(LANG_TIME_SET_BUTTON));
 508             if (nb_lines > 5)
 509                 screen->puts(0, 5, str(LANG_TIME_REVERT));
 510             screen->update_viewport();
 511             screen->set_viewport(NULL);
 512         }
 513
 514         /* set the most common numbers */
 515         min = 0;
 516         max = 59;
 517         /* calculate the minimum and maximum for the number under cursor */
 518         switch(cursorpos) {
 519             case 0: /* hour */
 520                 max = 23;
 521                 valptr = &tm->tm_hour;
 522                 break;
 523             case 1: /* minute */
 524                 valptr = &tm->tm_min;
 525                 break;
 526             case 2: /* second */
 527                 valptr = &tm->tm_sec;
 528                 break;
 529             case 3: /* year */
 530                 min = 1;
 531                 max = 200;
 532                 valptr = &tm->tm_year;
 533                 break;
 534             case 4: /* month */
 535                 max = 11;
 536                 valptr = &tm->tm_mon;
 537                 break;
 538             case 5: /* day */
 539                 min = 1;
 540                 max = daysinmonth[tm->tm_mon];
 541                 valptr = &tm->tm_mday;
 542                 break;
 543         }
 544
 545 #ifdef HAVE_TOUCHSCREEN
 546     enum touchscreen_mode old_mode = touchscreen_get_mode();
 547
 548     touchscreen_set_mode(TOUCHSCREEN_BUTTON);
 549 #endif
 550         button = get_action(CONTEXT_SETTINGS_TIME, TIMEOUT_BLOCK);
 551 #ifdef HAVE_TOUCHSCREEN
 552     touchscreen_set_mode(old_mode);
 553 #endif
 554         switch ( button ) {
 555             case ACTION_STD_PREV:
 556                 cursorpos = clamp_value_wrap(--cursorpos, 5, 0);
 557                 say_time(cursorpos, tm);
 558                 break;
 559             case ACTION_STD_NEXT:
 560                 cursorpos = clamp_value_wrap(++cursorpos, 5, 0);
 561                 say_time(cursorpos, tm);
 562                 break;
 563             case ACTION_SETTINGS_INC:
 564             case ACTION_SETTINGS_INCREPEAT:
 565                 *valptr = clamp_value_wrap(++(*valptr), max, min);
 566                 say_time(cursorpos, tm);
 567                 break;
 568             case ACTION_SETTINGS_DEC:
 569             case ACTION_SETTINGS_DECREPEAT:
 570                 *valptr = clamp_value_wrap(--(*valptr), max, min);
 571                 say_time(cursorpos, tm);
 572                 break;
 573
 574             case ACTION_STD_OK:
 575                 done = true;
 576                 break;
 577
 578             case ACTION_STD_CANCEL:
 579                 done = true;
 580                 tm->tm_year = -1;
 581                 break;
 582
 583             default:
 584                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 585                     return true;
 586                 break;
 587         }
 588     }
 589     return false;
 590 }
 591 #endif /* defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0) */
 592
 593 #if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 594 bool shutdown_screen(void)
 595 {
 596     int button;
 597     bool done = false;
 598     long time_entered = current_tick;
 599
 600     lcd_stop_scroll();
 601
 602     splash(0, str(LANG_CONFIRM_SHUTDOWN));
 603
 604     while(!done && TIME_BEFORE(current_tick,time_entered+HZ*2))
 605     {
 606         button = get_action(CONTEXT_STD,HZ);
 607         switch(button)
 608         {
 609             case ACTION_STD_CANCEL:
 610                 sys_poweroff();
 611                 break;
 612
 613             /* do nothing here, because ACTION_NONE might be caused
 614              * by timeout or button release. In case of timeout the loop
 615              * is terminated by TIME_BEFORE */
 616             case ACTION_NONE:
 617                 break;
 618
 619             default:
 620                 if(default_event_handler(button) == SYS_USB_CONNECTED)
 621                     return true;
 622                 done = true;
 623                 break;
 624         }
 625     }
 626     return false;
 627 }
 628 #endif
 629
 630 static const int id3_headers[]=
 631 {
 632     LANG_ID3_TITLE,
 633     LANG_ID3_ARTIST,
 634     LANG_ID3_ALBUM,
 635     LANG_ID3_ALBUMARTIST,
 636     LANG_ID3_GROUPING,
 637     LANG_ID3_DISCNUM,
 638     LANG_ID3_TRACKNUM,
 639     LANG_ID3_COMMENT,
 640     LANG_ID3_GENRE,
 641     LANG_ID3_YEAR,
 642     LANG_ID3_LENGTH,
 643     LANG_ID3_PLAYLIST,
 644     LANG_ID3_BITRATE,
 645     LANG_ID3_FREQUENCY,
 646 #if CONFIG_CODEC == SWCODEC
 647     LANG_ID3_TRACK_GAIN,
 648     LANG_ID3_ALBUM_GAIN,
 649 #endif
 650     LANG_ID3_PATH,
 651 };
 652
 653 struct id3view_info {
 654     struct mp3entry* id3;
 655     int count;
 656     int info_id[ARRAYLEN(id3_headers)];
 657 };
 658
 659 static const char* id3_get_info(int selected_item, void* data,
 660                                 char *buffer, size_t buffer_len)
 661 {
 662     struct id3view_info *info = (struct id3view_info*)data;
 663     struct mp3entry* id3 =info->id3;
 664     int info_no=selected_item/2;
 665     if(!(selected_item%2))
 666     {/* header */
 667         return(str(id3_headers[info->info_id[info_no]]));
 668     }
 669     else
 670     {/* data */
 671
 672         char * val=NULL;
 673         switch(info->info_id[info_no])
 674         {
 675             case 0:/*LANG_ID3_TITLE*/
 676                 val=id3->title;
 677                 break;
 678             case 1:/*LANG_ID3_ARTIST*/
 679                 val=id3->artist;
 680                 break;
 681             case 2:/*LANG_ID3_ALBUM*/
 682                 val=id3->album;
 683                 break;
 684             case 3:/*LANG_ID3_ALBUMARTIST*/
 685                 val=id3->albumartist;
 686                 break;
 687             case 4:/*LANG_ID3_GROUPING*/
 688                 val=id3->grouping;
 689                 break;
 690             case 5:/*LANG_ID3_DISCNUM*/
 691                 if (id3->disc_string)
 692                     val = id3->disc_string;
 693                 else if (id3->discnum)
 694                 {
 695                     snprintf(buffer, buffer_len, "%d", id3->discnum);
 696                     val = buffer;
 697                 }
 698                 break;
 699             case 6:/*LANG_ID3_TRACKNUM*/
 700                 if (id3->track_string)
 701                     val = id3->track_string;
 702                 else if (id3->tracknum)
 703                 {
 704                     snprintf(buffer, buffer_len, "%d", id3->tracknum);
 705                     val = buffer;
 706                 }
 707                 break;
 708             case 7:/*LANG_ID3_COMMENT*/
 709                 val=id3->comment;
 710                 break;
 711             case 8:/*LANG_ID3_GENRE*/
 712                 val = id3->genre_string;
 713                 break;
 714             case 9:/*LANG_ID3_YEAR*/
 715                 if (id3->year_string)
 716                     val = id3->year_string;
 717                 else if (id3->year)
 718                 {
 719                     snprintf(buffer, buffer_len, "%d", id3->year);
 720                     val = buffer;
 721                 }
 722                 break;
 723             case 10:/*LANG_ID3_LENGTH*/
 724                 format_time(buffer, buffer_len, id3->length);
 725                 val=buffer;
 726                 break;
 727             case 11:/*LANG_ID3_PLAYLIST*/
 728                 snprintf(buffer, buffer_len, "%d/%d",
 729                          playlist_get_display_index(), playlist_amount());
 730                 val=buffer;
 731                 break;
 732             case 12:/*LANG_ID3_BITRATE*/
 733                 snprintf(buffer, buffer_len, "%d kbps%s", id3->bitrate,
 734             id3->vbr ? str(LANG_ID3_VBR) : (const unsigned char*) "");
 735                 val=buffer;
 736                 break;
 737             case 13:/*LANG_ID3_FREQUENCY*/
 738                 snprintf(buffer, buffer_len, "%ld Hz", id3->frequency);
 739                 val=buffer;
 740                 break;
 741 #if CONFIG_CODEC == SWCODEC
 742             case 14:/*LANG_ID3_TRACK_GAIN*/
 743                 val=id3->track_gain_string;
 744                 break;
 745             case 15:/*LANG_ID3_ALBUM_GAIN*/
 746                 val=id3->album_gain_string;
 747                 break;
 748             case 16:/*LANG_ID3_PATH*/
 749 #else
 750             case 14:/*LANG_ID3_PATH*/
 751 #endif
 752                 val=id3->path;
 753                 break;
 754         }
 755         return val && *val ? val : NULL;
 756     }
 757 }
 758
 759 bool browse_id3(void)
 760 {
 761     struct gui_synclist id3_lists;
 762     struct mp3entry* id3 = audio_current_track();
 763     int key;
 764     unsigned int i;
 765     struct id3view_info info;
 766     info.count = 0;
 767     info.id3 = id3;
 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(key!=ACTION_NONE && key!=ACTION_UNKNOWN
 782         && !gui_synclist_do_button(&id3_lists, &key,LIST_WRAP_UNLESS_HELD))
 783         {
 784             return(default_event_handler(key) == SYS_USB_CONNECTED);
 785         }
 786     }
 787 }
 788
 789 static const char* runtime_get_data(int selected_item, void* data,
 790                                     char* buffer, size_t buffer_len)
 791 {
 792     (void)data;
 793     int t;
 794     switch (selected_item)
 795     {
 796         case 0: return str(LANG_RUNNING_TIME);
 797         case 1: t = global_status.runtime;      break;
 798         case 2: return str(LANG_TOP_TIME);
 799         case 3: t = global_status.topruntime;   break;
 800         default:
 801             return "";
 802     }
 803
 804     snprintf(buffer, buffer_len, "%dh %dm %ds",
 805         t / 3600, (t % 3600) / 60, t % 60);
 806     return buffer;
 807 }
 808
 809 static int runtime_speak_data(int selected_item, void* data)
 810 {
 811     (void) data;
 812     talk_ids(false,
 813              (selected_item < 2) ? LANG_RUNNING_TIME : LANG_TOP_TIME,
 814              TALK_ID((selected_item < 2) ? global_status.runtime
 815                      : global_status.topruntime, UNIT_TIME));
 816     return 0;
 817 }
 818
 819
 820 bool view_runtime(void)
 821 {
 822     static const char *lines[]={ID2P(LANG_CLEAR_TIME)};
 823     static const struct text_message message={lines, 1};
 824
 825     struct gui_synclist lists;
 826     int action;
 827     gui_synclist_init(&lists, runtime_get_data, NULL, false, 2, NULL);
 828 #if !defined(HAVE_LCD_CHARCELLS)
 829     gui_synclist_set_title(&lists, str(LANG_RUNNING_TIME), NOICON);
 830 #else
 831     gui_synclist_set_title(&lists, NULL, NOICON);
 832 #endif
 833     if(global_settings.talk_menu)
 834         gui_synclist_set_voice_callback(&lists, runtime_speak_data);
 835     gui_synclist_set_icon_callback(&lists, NULL);
 836     gui_synclist_set_nb_items(&lists, 4);
 837     gui_synclist_speak_item(&lists);
 838     while(1)
 839     {
 840 #if CONFIG_CHARGING
 841         if (charger_inserted())
 842         {
 843             global_status.runtime = 0;
 844         }
 845         else
 846 #endif
 847         {
 848             global_status.runtime += ((current_tick - lasttime) / HZ);
 849         }
 850         lasttime = current_tick;
 851         gui_synclist_draw(&lists);
 852         list_do_action(CONTEXT_STD, HZ,
 853                     &lists, &action, LIST_WRAP_UNLESS_HELD);
 854         if(action == ACTION_STD_CANCEL)
 855             break;
 856         if(action == ACTION_STD_OK) {
 857             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 858             {
 859                 if (!(gui_synclist_get_sel_pos(&lists)/2))
 860                     global_status.runtime = 0;
 861                 else
 862                     global_status.topruntime = 0;
 863                 gui_synclist_speak_item(&lists);
 864             }
 865         }
 866         if(default_event_handler(action) == SYS_USB_CONNECTED)
 867             return true;
 868     }
 869     return false;
 870 }
 871
 872 #ifdef HAVE_TOUCHSCREEN
 873 static int get_sample(struct touchscreen_calibration *cal, int x, int y, int i,
 874                       struct screen* screen)
 875 {
 876     int action;
 877     short ts_x, ts_y;
 878
 879     /* Draw a cross */
 880     screen->drawline(x - 10, y, x - 2, y);
 881     screen->drawline(x + 2, y, x + 10, y);
 882     screen->drawline(x, y - 10, x, y - 2);
 883     screen->drawline(x, y + 2, x, y + 10);
 884     screen->update();
 885
 886     /* Wait for a touchscreen press */
 887     while(true)
 888     {
 889         action = get_action(CONTEXT_STD, TIMEOUT_BLOCK);
 890         if(action == ACTION_TOUCHSCREEN)
 891         {
 892             if(action_get_touchscreen_press(&ts_x, &ts_y) == BUTTON_REL)
 893                 break;
 894         }
 895         else if(action == ACTION_STD_CANCEL)
 896             return -1;
 897     }
 898
 899     cal->x[i][0] = ts_x;
 900     cal->y[i][0] = ts_y;
 901     cal->x[i][1] = x;
 902     cal->y[i][1] = y;
 903
 904     return 0;
 905 }
 906
 907
 908 int calibrate(void)
 909 {
 910     short points[3][2] = {
 911         {LCD_WIDTH/10, LCD_HEIGHT/10},
 912         {7*LCD_WIDTH/8, LCD_HEIGHT/2},
 913         {LCD_WIDTH/2, 7*LCD_HEIGHT/8}
 914     };
 915     struct screen* screen = &screens[SCREEN_MAIN];
 916     enum touchscreen_mode old_mode = touchscreen_get_mode();
 917     struct touchscreen_calibration cal;
 918     int i, ret = 0;
 919     int statusbar = global_settings.statusbar; /* hide the statusbar */
 920     global_settings.statusbar = STATUSBAR_OFF;
 921
 922     touchscreen_disable_mapping(); /* set raw mode */
 923     touchscreen_set_mode(TOUCHSCREEN_POINT);
 924     for(i=0; i<3; i++)
 925     {
 926         screen->clear_display();
 927
 928         if(get_sample(&cal, points[i][0], points[i][1], i, screen))
 929         {
 930             ret = -1;
 931             break;
 932         }
 933     }
 934
 935     if(ret == 0)
 936         touchscreen_calibrate(&cal);
 937     else
 938         touchscreen_reset_mapping();
 939     memcpy(&global_settings.ts_calibration_data, &calibration_parameters, sizeof(struct touchscreen_parameter));
 940     touchscreen_set_mode(old_mode);
 941     global_settings.statusbar = statusbar;
 942
 943     return ret;
 944 }
 945
 946 int reset_mapping(void)
 947 {
 948     touchscreen_reset_mapping();
 949     memcpy(&global_settings.ts_calibration_data, &calibration_parameters, sizeof(struct touchscreen_parameter));
 950     return 0;
 951 }
 952 #endif