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