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 #ifdef HAVE_REMOTE_LCD
  29 #include "lcd-remote.h"
  30 #endif
  31 #include "lang.h"
  32 #include "icons.h"
  33 #include "font.h"
  34 #include "audio.h"
  35 #include "mp3_playback.h"
  36 #include "usb.h"
  37 #if defined(HAVE_USBSTACK)
  38 #include "usb_core.h"
  39 #ifdef USB_ENABLE_HID
  40 #include "usbstack/usb_hid.h"
  41 #endif
  42 #endif
  43 #include "settings.h"
  44 #include "status.h"
  45 #include "playlist.h"
  46 #include "sprintf.h"
  47 #include "kernel.h"
  48 #include "power.h"
  49 #include "system.h"
  50 #include "powermgmt.h"
  51 #include "talk.h"
  52 #include "misc.h"
  53 #include "metadata.h"
  54 #include "screens.h"
  55 #include "debug.h"
  56 #include "led.h"
  57 #include "sound.h"
  58 #include "splash.h"
  59 #include "statusbar.h"
  60 #include "screen_access.h"
  61 #include "pcmbuf.h"
  62 #include "list.h"
  63 #include "yesno.h"
  64 #include "backdrop.h"
  65 #include "viewport.h"
  66
  67 #ifdef HAVE_LCD_BITMAP
  68 #include "bitmaps/usblogo.h"
  69 #endif
  70
  71 #ifdef HAVE_REMOTE_LCD
  72 #include "bitmaps/remote_usblogo.h"
  73 #endif
  74
  75 #if (CONFIG_STORAGE & STORAGE_MMC)
  76 #include "ata_mmc.h"
  77 #endif
  78 #if CONFIG_CODEC == SWCODEC
  79 #include "dsp.h"
  80 #endif
  81
  82 /* only used in set_time screen */
  83 #if defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0)
  84 static int clamp_value_wrap(int value, int max, int min)
  85 {
  86     if (value > max)
  87         return min;
  88     if (value < min)
  89         return max;
  90     return value;
  91 }
  92 #endif
  93
  94 #ifndef SIMULATOR
  95 static int handle_usb_events(void)
  96 {
  97     int next_update=0;
  98 #ifdef HAVE_TOUCHSCREEN
  99     enum touchscreen_mode old_mode = touchscreen_get_mode();
 100
 101     /* TODO: Paint buttons on screens OR switch to point mode and use
 102      * touchscreen as a touchpad to move the host's mouse cursor */
 103     touchscreen_set_mode(TOUCHSCREEN_BUTTON);
 104 #endif
 105
 106     /* Don't return until we get SYS_USB_DISCONNECTED or SYS_TIMEOUT */
 107     while(1)
 108     {
 109         int button;
 110 #if defined(HAVE_USBSTACK) && defined(USB_ENABLE_HID)
 111         bool hid_enabled = usb_core_driver_enabled(USB_DRIVER_HID);
 112
 113         if (hid_enabled)
 114         {
 115             int id = HID_CONSUMER_USAGE_UNASSIGNED;
 116             button = get_action(CONTEXT_USB_HID, HZ/4);
 117
 118             switch (button)
 119             {
 120                 case ACTION_USB_HID_PLAY:
 121                     id = HID_CONSUMER_USAGE_PLAY_PAUSE;
 122                     break;
 123                 case ACTION_USB_HID_STOP:
 124                     id = HID_CONSUMER_USAGE_STOP;
 125                     break;
 126                 case ACTION_USB_HID_SKIPPREV:
 127                     id = HID_CONSUMER_USAGE_SCAN_PREVIOUS_TRACK;
 128                     break;
 129                 case ACTION_USB_HID_SKIPNEXT:
 130                     id = HID_CONSUMER_USAGE_SCAN_NEXT_TRACK;
 131                     break;
 132                 case ACTION_USB_HID_VOLDOWN:
 133                     id = HID_CONSUMER_USAGE_VOLUME_DECREMENT;
 134                     break;
 135                 case ACTION_USB_HID_VOLUP:
 136                     id = HID_CONSUMER_USAGE_VOLUME_INCREMENT;
 137                     break;
 138                 case ACTION_USB_HID_MUTE:
 139                     id = HID_CONSUMER_USAGE_MUTE;
 140                     break;
 141             }
 142
 143             if (id != HID_CONSUMER_USAGE_UNASSIGNED)
 144                 usb_hid_send(HID_USAGE_PAGE_CONSUMER, id);
 145         }
 146         else
 147 #endif
 148             button = button_get_w_tmo(HZ/4);
 149
 150         switch(button)
 151         {
 152             case SYS_USB_DISCONNECTED:
 153                 usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
 154                 goto Exit;
 155             case SYS_TIMEOUT:
 156                 break;
 157         }
 158
 159         if(TIME_AFTER(current_tick,next_update))
 160         {
 161             if(usb_inserted()) {
 162 #if (CONFIG_STORAGE & STORAGE_MMC) /* USB-MMC bridge can report activity */
 163                 led(mmc_usb_active(HZ));
 164 #endif /* STORAGE_MMC */
 165                 gui_syncstatusbar_draw(&statusbars, false);
 166             }
 167             next_update=current_tick+HZ/2;
 168         }
 169     }
 170 Exit:
 171 #ifdef HAVE_TOUCHSCREEN
 172     touchscreen_set_mode(old_mode);
 173 #endif
 174     return 0;
 175 }
 176 #endif
 177
 178 void usb_screen(void)
 179 {
 180 #ifdef USB_NONE
 181     /* nothing here! */
 182 #else
 183     int i;
 184     int statusbar = global_settings.statusbar; /* force the statusbar */
 185     if(!global_settings.statusbar)
 186         global_settings.statusbar = STATUSBAR_TOP;
 187
 188     FOR_NB_SCREENS(i)
 189     {
 190         screens[i].backdrop_show(BACKDROP_MAIN);
 191         screens[i].backlight_on();
 192         screens[i].clear_display();
 193 #if NB_SCREENS > 1
 194         if (i == SCREEN_REMOTE)
 195         {
 196             screens[i].bitmap(remote_usblogo,
 197                       (LCD_REMOTE_WIDTH-BMPWIDTH_remote_usblogo),
 198                       (LCD_REMOTE_HEIGHT-BMPHEIGHT_remote_usblogo)/2,
 199                       BMPWIDTH_remote_usblogo, BMPHEIGHT_remote_usblogo);
 200         }
 201         else
 202         {
 203 #endif
 204 #ifdef HAVE_LCD_BITMAP
 205             screens[i].transparent_bitmap(usblogo,
 206                         (LCD_WIDTH-BMPWIDTH_usblogo),
 207                         (LCD_HEIGHT-BMPHEIGHT_usblogo)/2,
 208                          BMPWIDTH_usblogo, BMPHEIGHT_usblogo);
 209 #else
 210             screens[i].double_height(false);
 211             screens[i].puts_scroll(0, 0, "[USB Mode]");
 212             status_set_param(false);
 213             status_set_audio(false);
 214             status_set_usb(true);
 215 #endif /* HAVE_LCD_BITMAP */
 216 #if NB_SCREENS > 1
 217         }
 218 #endif
 219         screens[i].update();
 220     }
 221
 222 #ifdef SIMULATOR
 223     while (button_get(true) & BUTTON_REL);
 224 #else
 225     usb_acknowledge(SYS_USB_CONNECTED_ACK);
 226     while (handle_usb_events());
 227 #endif /* SIMULATOR */
 228 #ifdef HAVE_LCD_CHARCELLS
 229     status_set_usb(false);
 230 #endif /* HAVE_LCD_CHARCELLS */
 231     FOR_NB_SCREENS(i)
 232         screens[i].backlight_on();
 233     global_settings.statusbar = statusbar;
 234 #endif /* USB_NONE */
 235 }
 236
 237 #if (CONFIG_STORAGE & STORAGE_MMC)
 238 int mmc_remove_request(void)
 239 {
 240     struct queue_event ev;
 241     int i;
 242     FOR_NB_SCREENS(i)
 243         screens[i].clear_display();
 244     splash(0, ID2P(LANG_REMOVE_MMC));
 245
 246     while (1)
 247     {
 248         queue_wait_w_tmo(&button_queue, &ev, HZ/2);
 249         switch (ev.id)
 250         {
 251             case SYS_HOTSWAP_EXTRACTED:
 252                 return SYS_HOTSWAP_EXTRACTED;
 253
 254             case SYS_USB_DISCONNECTED:
 255                 return SYS_USB_DISCONNECTED;
 256         }
 257     }
 258 }
 259 #endif
 260
 261 /* the charging screen is only used for archos targets */
 262 #if CONFIG_CHARGING && !defined(HAVE_POWEROFF_WHILE_CHARGING) && defined(CPU_SH)
 263
 264 #ifdef HAVE_LCD_BITMAP
 265 static void charging_display_info(bool animate)
 266 {
 267     unsigned char charging_logo[36];
 268     const int pox_x = (LCD_WIDTH - sizeof(charging_logo)) / 2;
 269     const int pox_y = 32;
 270     static unsigned phase = 3;
 271     unsigned i;
 272     char buf[32];
 273     (void)buf;
 274
 275 #ifdef NEED_ATA_POWER_BATT_MEASURE
 276     if (ide_powered()) /* FM and V2 can only measure when ATA power is on */
 277 #endif
 278     {
 279         int battv = battery_voltage();
 280         snprintf(buf, 32, "  Batt: %d.%02dV %d%%  ", battv / 1000,
 281                  (battv % 1000) / 10, battery_level());
 282         lcd_puts(0, 7, buf);
 283     }
 284
 285 #ifdef ARCHOS_RECORER
 286     snprintf(buf, 32, "Charge mode:");
 287     lcd_puts(0, 2, buf);
 288
 289     if (charge_state == CHARGING)
 290         snprintf(buf, 32, str(LANG_BATTERY_CHARGE));
 291     else if (charge_state == TOPOFF)
 292         snprintf(buf, 32, str(LANG_BATTERY_TOPOFF_CHARGE));
 293     else if (charge_state == TRICKLE)
 294         snprintf(buf, 32, str(LANG_BATTERY_TRICKLE_CHARGE));
 295     else
 296         snprintf(buf, 32, "not charging");
 297
 298     lcd_puts(0, 3, buf);
 299     if (!charger_enabled())
 300         animate = false;
 301 #endif /* ARCHOS_RECORER */
 302
 303     /* middle part */
 304     memset(charging_logo+3, 0x00, 32);
 305     charging_logo[0] = 0x3C;
 306     charging_logo[1] = 0x24;
 307     charging_logo[2] = charging_logo[35] = 0xFF;
 308
 309     if (!animate)
 310     {   /* draw the outline */
 311         /* middle part */
 312         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 8,
 313                         sizeof(charging_logo), 8);
 314         lcd_set_drawmode(DRMODE_FG);
 315         /* upper line */
 316         charging_logo[0] = charging_logo[1] = 0x00;
 317         memset(charging_logo+2, 0x80, 34);
 318         lcd_mono_bitmap(charging_logo, pox_x, pox_y, sizeof(charging_logo), 8);
 319         /* lower line */
 320         memset(charging_logo+2, 0x01, 34);
 321         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 16,
 322                         sizeof(charging_logo), 8);
 323         lcd_set_drawmode(DRMODE_SOLID);
 324     }
 325     else
 326     {   /* animate the middle part */
 327         for (i = 3; i<MIN(sizeof(charging_logo)-1, phase); i++)
 328         {
 329             if ((i-phase) % 8 == 0)
 330             {   /* draw a "bubble" here */
 331                 unsigned bitpos;
 332                 bitpos = (phase + i/8) % 15; /* "bounce" effect */
 333                 if (bitpos > 7)
 334                     bitpos = 14 - bitpos;
 335                 charging_logo[i] = BIT_N(bitpos);
 336             }
 337         }
 338         lcd_mono_bitmap(charging_logo, pox_x, pox_y + 8,
 339                         sizeof(charging_logo), 8);
 340         phase++;
 341     }
 342     lcd_update();
 343 }
 344 #else /* not HAVE_LCD_BITMAP */
 345
 346 static unsigned long logo_chars[4];
 347 static const unsigned char logo_pattern[] = {
 348     0x07, 0x04, 0x1c, 0x14, 0x1c, 0x04, 0x07, 0, /* char 1 */
 349     0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0, /* char 2 */
 350     0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0, /* char 3 */
 351     0x1f, 0x01, 0x01, 0x01, 0x01, 0x01, 0x1f, 0, /* char 4 */
 352 };
 353
 354 static void logo_lock_patterns(bool on)
 355 {
 356     int i;
 357
 358     if (on)
 359     {
 360         for (i = 0; i < 4; i++)
 361             logo_chars[i] = lcd_get_locked_pattern();
 362     }
 363     else
 364     {
 365         for (i = 0; i < 4; i++)
 366             lcd_unlock_pattern(logo_chars[i]);
 367     }
 368 }
 369
 370 static void charging_display_info(bool animate)
 371 {
 372     int battv;
 373     unsigned i, ypos;
 374     static unsigned phase = 3;
 375     char buf[32];
 376
 377     battv = battery_voltage();
 378     snprintf(buf, sizeof(buf), " %d.%02dV", battv / 1000, (battv % 1000) / 10);
 379     lcd_puts(4, 1, buf);
 380
 381     memcpy(buf, logo_pattern, 32); /* copy logo patterns */
 382
 383     if (!animate) /* build the screen */
 384     {
 385         lcd_double_height(false);
 386         lcd_puts(0, 0, "[Charging]");
 387         for (i = 0; i < 4; i++)
 388             lcd_putc(i, 1, logo_chars[i]);
 389     }
 390     else          /* animate the logo */
 391     {
 392         for (i = 3; i < MIN(19, phase); i++)
 393         {
 394             if ((i - phase) % 5 == 0)
 395             {    /* draw a "bubble" here */
 396                 ypos = (phase + i/5) % 9; /* "bounce" effect */
 397                 if (ypos > 4)
 398                     ypos = 8 - ypos;
 399                 buf[5 - ypos + 8 * (i/5)] |= 0x10u >> (i%5);
 400             }
 401         }
 402         phase++;
 403     }
 404
 405     for (i = 0; i < 4; i++)
 406         lcd_define_pattern(logo_chars[i], buf + 8 * i);
 407
 408     lcd_update();
 409 }
 410 #endif /* (not) HAVE_LCD_BITMAP */
 411
 412 /* blocks while charging, returns on event:
 413    1 if charger cable was removed
 414    2 if Off/Stop key was pressed
 415    3 if On key was pressed
 416    4 if USB was connected */
 417
 418 int charging_screen(void)
 419 {
 420     unsigned int button;
 421     int rc = 0;
 422
 423     ide_power_enable(false); /* power down the disk, else would be spinning */
 424
 425     lcd_clear_display();
 426     backlight_set_timeout(global_settings.backlight_timeout);
 427 #ifdef HAVE_REMOTE_LCD
 428     remote_backlight_set_timeout(global_settings.remote_backlight_timeout);
 429 #endif
 430     backlight_set_timeout_plugged(global_settings.backlight_timeout_plugged);
 431
 432 #ifdef HAVE_LCD_CHARCELLS
 433     logo_lock_patterns(true);
 434 #endif
 435     charging_display_info(false);
 436
 437     do
 438     {
 439         gui_syncstatusbar_draw(&statusbars, false);
 440         charging_display_info(true);
 441         button = get_action(CONTEXT_STD,HZ/3);
 442         if (button == ACTION_STD_OK)
 443             rc = 2;
 444         else if (usb_detect() == USB_INSERTED)
 445             rc = 3;
 446         else if (!charger_inserted())
 447             rc = 1;
 448     } while (!rc);
 449
 450 #ifdef HAVE_LCD_CHARCELLS
 451     logo_lock_patterns(false);
 452 #endif
 453     return rc;
 454 }
 455 #endif /* CONFIG_CHARGING && !HAVE_POWEROFF_WHILE_CHARGING && defined(CPU_SH) */
 456
 457 #if CONFIG_CHARGING
 458 void charging_splash(void)
 459 {
 460     splash(2*HZ, str(LANG_BATTERY_CHARGE));
 461     button_clear_queue();
 462 }
 463 #endif
 464
 465
 466 #if defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0)
 467
 468 /* little helper function for voice output */
 469 static void say_time(int cursorpos, const struct tm *tm)
 470 {
 471     int value = 0;
 472     int unit = 0;
 473
 474     if (!global_settings.talk_menu)
 475         return;
 476
 477     switch(cursorpos)
 478     {
 479     case 0:
 480         value = tm->tm_hour;
 481         unit = UNIT_HOUR;
 482         break;
 483     case 1:
 484         value = tm->tm_min;
 485         unit = UNIT_MIN;
 486         break;
 487     case 2:
 488         value = tm->tm_sec;
 489         unit = UNIT_SEC;
 490         break;
 491     case 3:
 492         value = tm->tm_year + 1900;
 493         break;
 494     case 5:
 495         value = tm->tm_mday;
 496         break;
 497     }
 498
 499     if (cursorpos == 4) /* month */
 500         talk_id(LANG_MONTH_JANUARY + tm->tm_mon, false);
 501     else
 502         talk_value(value, unit, false);
 503 }
 504
 505
 506 #define INDEX_X 0
 507 #define INDEX_Y 1
 508
 509 #define SEPARATOR ":"
 510 bool set_time_screen(const char* title, struct tm *tm)
 511 {
 512     bool done = false;
 513     int button;
 514     unsigned int i, j, s;
 515     int cursorpos = 0;
 516     unsigned int realyear;
 517     unsigned int width;
 518     unsigned int min, max;
 519     unsigned int statusbar_height = 0;
 520     unsigned int separator_width, weekday_width;
 521     unsigned int prev_line_height;
 522     static unsigned char daysinmonth[] =
 523                               {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 524     unsigned char buffer[20];
 525     struct viewport vp[NB_SCREENS];
 526     int nb_lines;
 527
 528     /* 6 possible cursor possitions, 2 values stored for each: x, y */
 529     unsigned int cursor[6][2];
 530
 531     int *valptr = NULL;
 532     unsigned char *ptr[6];
 533
 534     if(global_settings.statusbar)
 535         statusbar_height = STATUSBAR_HEIGHT;
 536
 537     /* speak selection when screen is entered */
 538     say_time(cursorpos, tm);
 539
 540     while (!done) {
 541         /* for easy acess in the drawing loop */
 542         ptr[0] = buffer;                     /* hours */
 543         ptr[1] = buffer + 3;                 /* minutes */
 544         ptr[2] = buffer + 6;                 /* seconds */
 545         ptr[3] = buffer + 9;                 /* year */
 546         ptr[4] = str(LANG_MONTH_JANUARY + tm->tm_mon); /* monthname */
 547         ptr[5] = buffer + 14;                /* day of month */
 548
 549         /* calculate the number of days in febuary */
 550         realyear = tm->tm_year + 1900;
 551         if((realyear % 4 == 0 && !(realyear % 100 == 0)) || realyear % 400 == 0)
 552             daysinmonth[1] = 29;
 553         else
 554             daysinmonth[1] = 28;
 555
 556         /* fix day if month or year changed */
 557         if (tm->tm_mday > daysinmonth[tm->tm_mon])
 558             tm->tm_mday = daysinmonth[tm->tm_mon];
 559
 560         /* calculate day of week */
 561         set_day_of_week(tm);
 562
 563         /* put all the numbers we want from the tm struct into
 564            an easily printable buffer */
 565         snprintf(buffer, sizeof(buffer),
 566                  "%02d " "%02d " "%02d " "%04d " "%02d",
 567                  tm->tm_hour, tm->tm_min, tm->tm_sec,
 568                  tm->tm_year+1900, tm->tm_mday);
 569
 570         /* convert spaces in the buffer to '\0' to make it possible to work
 571            directly on the buffer */
 572         for(i=0; i < sizeof(buffer); i++)
 573         {
 574             if(buffer[i] == ' ')
 575                 buffer[i] = '\0';
 576         }
 577
 578         FOR_NB_SCREENS(s)
 579         {
 580             viewport_set_defaults(&vp[s], s);
 581             screens[s].set_viewport(&vp[s]);
 582             nb_lines = viewport_get_nb_lines(&vp[s]);
 583
 584             /* minimum lines needed is 2 + title line */
 585             if (nb_lines < 4)
 586             {
 587                 vp[s].font = FONT_SYSFIXED;
 588                 nb_lines = viewport_get_nb_lines(&vp[s]);
 589             }
 590
 591             /* recalculate the positions and offsets */
 592             if (nb_lines >= 3)
 593                 screens[s].getstringsize(title, NULL, &prev_line_height);
 594             else
 595                 prev_line_height = 0;
 596
 597             screens[s].getstringsize(SEPARATOR, &separator_width, NULL);
 598
 599             /* weekday */
 600             screens[s].getstringsize(str(LANG_WEEKDAY_SUNDAY + tm->tm_wday),
 601                                      &weekday_width, NULL);
 602             screens[s].getstringsize(" ", &separator_width, NULL);
 603
 604             for(i=0, j=0; i < 6; i++)
 605             {
 606                 if(i==3) /* second row */
 607                 {
 608                     j = weekday_width + separator_width;
 609                     prev_line_height *= 2;
 610                 }
 611                 screens[s].getstringsize(ptr[i], &width, NULL);
 612                 cursor[i][INDEX_Y] = prev_line_height + statusbar_height;
 613                 cursor[i][INDEX_X] = j;
 614                 j += width + separator_width;
 615             }
 616
 617             /* draw the screen */
 618             screens[s].set_viewport(&vp[s]);
 619             screens[s].clear_viewport();
 620             /* display the screen title */
 621             screens[s].puts_scroll(0, 0, title);
 622
 623             /* these are not selectable, so we draw them outside the loop */
 624             /* name of the week day */
 625             screens[s].putsxy(0, cursor[3][INDEX_Y],
 626                               str(LANG_WEEKDAY_SUNDAY + tm->tm_wday));
 627
 628             /* draw the selected item with drawmode set to
 629                 DRMODE_SOLID|DRMODE_INVERSEVID, all other selectable
 630                 items with drawmode DRMODE_SOLID */
 631             for(i=0; i<6; i++)
 632             {
 633                 if (cursorpos == (int)i)
 634                     vp[s].drawmode = (DRMODE_SOLID|DRMODE_INVERSEVID);
 635
 636                 screens[s].putsxy(cursor[i][INDEX_X],
 637                                   cursor[i][INDEX_Y], ptr[i]);
 638
 639                 vp[s].drawmode = DRMODE_SOLID;
 640
 641                 screens[s].putsxy(cursor[i/4 +1][INDEX_X] - separator_width,
 642                                   cursor[0][INDEX_Y], SEPARATOR);
 643             }
 644
 645             /* print help text */
 646             if (nb_lines > 4)
 647                 screens[s].puts(0, 4, str(LANG_TIME_SET_BUTTON));
 648             if (nb_lines > 5)
 649                 screens[s].puts(0, 5, str(LANG_TIME_REVERT));
 650             screens[s].update_viewport();
 651             screens[s].set_viewport(NULL);
 652         }
 653
 654         /* set the most common numbers */
 655         min = 0;
 656         max = 59;
 657         /* calculate the minimum and maximum for the number under cursor */
 658         switch(cursorpos) {
 659             case 0: /* hour */
 660                 max = 23;
 661                 valptr = &tm->tm_hour;
 662                 break;
 663             case 1: /* minute */
 664                 valptr = &tm->tm_min;
 665                 break;
 666             case 2: /* second */
 667                 valptr = &tm->tm_sec;
 668                 break;
 669             case 3: /* year */
 670                 min = 1;
 671                 max = 200;
 672                 valptr = &tm->tm_year;
 673                 break;
 674             case 4: /* month */
 675                 max = 11;
 676                 valptr = &tm->tm_mon;
 677                 break;
 678             case 5: /* day */
 679                 min = 1;
 680                 max = daysinmonth[tm->tm_mon];
 681                 valptr = &tm->tm_mday;
 682                 break;
 683         }
 684
 685 #ifdef HAVE_TOUCHSCREEN
 686     enum touchscreen_mode old_mode = touchscreen_get_mode();
 687
 688     touchscreen_set_mode(TOUCHSCREEN_BUTTON);
 689 #endif
 690         button = get_action(CONTEXT_SETTINGS_TIME, TIMEOUT_BLOCK);
 691 #ifdef HAVE_TOUCHSCREEN
 692     touchscreen_set_mode(old_mode);
 693 #endif
 694         switch ( button ) {
 695             case ACTION_STD_PREV:
 696                 cursorpos = clamp_value_wrap(--cursorpos, 5, 0);
 697                 say_time(cursorpos, tm);
 698                 break;
 699             case ACTION_STD_NEXT:
 700                 cursorpos = clamp_value_wrap(++cursorpos, 5, 0);
 701                 say_time(cursorpos, tm);
 702                 break;
 703             case ACTION_SETTINGS_INC:
 704             case ACTION_SETTINGS_INCREPEAT:
 705                 *valptr = clamp_value_wrap(++(*valptr), max, min);
 706                 say_time(cursorpos, tm);
 707                 break;
 708             case ACTION_SETTINGS_DEC:
 709             case ACTION_SETTINGS_DECREPEAT:
 710                 *valptr = clamp_value_wrap(--(*valptr), max, min);
 711                 say_time(cursorpos, tm);
 712                 break;
 713
 714             case ACTION_STD_OK:
 715                 done = true;
 716                 break;
 717
 718             case ACTION_STD_CANCEL:
 719                 done = true;
 720                 tm->tm_year = -1;
 721                 break;
 722
 723             default:
 724                 if (default_event_handler(button) == SYS_USB_CONNECTED)
 725                     return true;
 726                 break;
 727         }
 728     }
 729     return false;
 730 }
 731 #endif /* defined(HAVE_LCD_BITMAP) && (CONFIG_RTC != 0) */
 732
 733 #if (CONFIG_KEYPAD == RECORDER_PAD) && !defined(HAVE_SW_POWEROFF)
 734 bool shutdown_screen(void)
 735 {
 736     int button;
 737     bool done = false;
 738     long time_entered = current_tick;
 739
 740     lcd_stop_scroll();
 741
 742     splash(0, str(LANG_CONFIRM_SHUTDOWN));
 743
 744     while(!done && TIME_BEFORE(current_tick,time_entered+HZ*2))
 745     {
 746         button = get_action(CONTEXT_STD,HZ);
 747         switch(button)
 748         {
 749             case ACTION_STD_CANCEL:
 750                 sys_poweroff();
 751                 break;
 752
 753             /* do nothing here, because ACTION_NONE might be caused
 754              * by timeout or button release. In case of timeout the loop
 755              * is terminated by TIME_BEFORE */
 756             case ACTION_NONE:
 757                 break;
 758
 759             default:
 760                 if(default_event_handler(button) == SYS_USB_CONNECTED)
 761                     return true;
 762                 done = true;
 763                 break;
 764         }
 765     }
 766     return false;
 767 }
 768 #endif
 769
 770 static const int id3_headers[]=
 771 {
 772     LANG_ID3_TITLE,
 773     LANG_ID3_ARTIST,
 774     LANG_ID3_ALBUM,
 775     LANG_ID3_ALBUMARTIST,
 776     LANG_ID3_GROUPING,
 777     LANG_ID3_DISCNUM,
 778     LANG_ID3_TRACKNUM,
 779     LANG_ID3_COMMENT,
 780     LANG_ID3_GENRE,
 781     LANG_ID3_YEAR,
 782     LANG_ID3_LENGTH,
 783     LANG_ID3_PLAYLIST,
 784     LANG_ID3_BITRATE,
 785     LANG_ID3_FREQUENCY,
 786 #if CONFIG_CODEC == SWCODEC
 787     LANG_ID3_TRACK_GAIN,
 788     LANG_ID3_ALBUM_GAIN,
 789 #endif
 790     LANG_ID3_PATH,
 791 };
 792
 793 struct id3view_info {
 794     struct mp3entry* id3;
 795     int count;
 796     int info_id[ARRAYLEN(id3_headers)];
 797 };
 798
 799 static const char* id3_get_info(int selected_item, void* data,
 800                                 char *buffer, size_t buffer_len)
 801 {
 802     struct id3view_info *info = (struct id3view_info*)data;
 803     struct mp3entry* id3 =info->id3;
 804     int info_no=selected_item/2;
 805     if(!(selected_item%2))
 806     {/* header */
 807         return(str(id3_headers[info->info_id[info_no]]));
 808     }
 809     else
 810     {/* data */
 811
 812         char * val=NULL;
 813         switch(info->info_id[info_no])
 814         {
 815             case 0:/*LANG_ID3_TITLE*/
 816                 val=id3->title;
 817                 break;
 818             case 1:/*LANG_ID3_ARTIST*/
 819                 val=id3->artist;
 820                 break;
 821             case 2:/*LANG_ID3_ALBUM*/
 822                 val=id3->album;
 823                 break;
 824             case 3:/*LANG_ID3_ALBUMARTIST*/
 825                 val=id3->albumartist;
 826                 break;
 827             case 4:/*LANG_ID3_GROUPING*/
 828                 val=id3->grouping;
 829                 break;
 830             case 5:/*LANG_ID3_DISCNUM*/
 831                 if (id3->disc_string)
 832                     val = id3->disc_string;
 833                 else if (id3->discnum)
 834                 {
 835                     snprintf(buffer, buffer_len, "%d", id3->discnum);
 836                     val = buffer;
 837                 }
 838                 break;
 839             case 6:/*LANG_ID3_TRACKNUM*/
 840                 if (id3->track_string)
 841                     val = id3->track_string;
 842                 else if (id3->tracknum)
 843                 {
 844                     snprintf(buffer, buffer_len, "%d", id3->tracknum);
 845                     val = buffer;
 846                 }
 847                 break;
 848             case 7:/*LANG_ID3_COMMENT*/
 849                 val=id3->comment;
 850                 break;
 851             case 8:/*LANG_ID3_GENRE*/
 852                 val = id3->genre_string;
 853                 break;
 854             case 9:/*LANG_ID3_YEAR*/
 855                 if (id3->year_string)
 856                     val = id3->year_string;
 857                 else if (id3->year)
 858                 {
 859                     snprintf(buffer, buffer_len, "%d", id3->year);
 860                     val = buffer;
 861                 }
 862                 break;
 863             case 10:/*LANG_ID3_LENGTH*/
 864                 format_time(buffer, buffer_len, id3->length);
 865                 val=buffer;
 866                 break;
 867             case 11:/*LANG_ID3_PLAYLIST*/
 868                 snprintf(buffer, buffer_len, "%d/%d",
 869                          playlist_get_display_index(), playlist_amount());
 870                 val=buffer;
 871                 break;
 872             case 12:/*LANG_ID3_BITRATE*/
 873                 snprintf(buffer, buffer_len, "%d kbps%s", id3->bitrate,
 874             id3->vbr ? str(LANG_ID3_VBR) : (const unsigned char*) "");
 875                 val=buffer;
 876                 break;
 877             case 13:/*LANG_ID3_FREQUENCY*/
 878                 snprintf(buffer, buffer_len, "%ld Hz", id3->frequency);
 879                 val=buffer;
 880                 break;
 881 #if CONFIG_CODEC == SWCODEC
 882             case 14:/*LANG_ID3_TRACK_GAIN*/
 883                 val=id3->track_gain_string;
 884                 break;
 885             case 15:/*LANG_ID3_ALBUM_GAIN*/
 886                 val=id3->album_gain_string;
 887                 break;
 888             case 16:/*LANG_ID3_PATH*/
 889 #else
 890             case 14:/*LANG_ID3_PATH*/
 891 #endif
 892                 val=id3->path;
 893                 break;
 894         }
 895         return val && *val ? val : NULL;
 896     }
 897 }
 898
 899 bool browse_id3(void)
 900 {
 901     struct gui_synclist id3_lists;
 902     struct mp3entry* id3 = audio_current_track();
 903     int key;
 904     unsigned int i;
 905     struct id3view_info info;
 906     info.count = 0;
 907     info.id3 = id3;
 908     for (i = 0; i < ARRAYLEN(id3_headers); i++)
 909     {
 910         char temp[8];
 911         info.info_id[i] = i;
 912         if (id3_get_info((i*2)+1, &info, temp, 8) != NULL)
 913             info.info_id[info.count++] = i;
 914     }
 915
 916     gui_synclist_init(&id3_lists, &id3_get_info, &info, true, 2, NULL);
 917     gui_synclist_set_nb_items(&id3_lists, info.count*2);
 918     gui_synclist_draw(&id3_lists);
 919     while (true) {
 920         key = get_action(CONTEXT_LIST,HZ/2);
 921         if(key!=ACTION_NONE && key!=ACTION_UNKNOWN
 922         && !gui_synclist_do_button(&id3_lists, &key,LIST_WRAP_UNLESS_HELD))
 923         {
 924             return(default_event_handler(key) == SYS_USB_CONNECTED);
 925         }
 926     }
 927 }
 928
 929 static const char* runtime_get_data(int selected_item, void* data,
 930                                     char* buffer, size_t buffer_len)
 931 {
 932     (void)data;
 933     int t;
 934     switch (selected_item)
 935     {
 936         case 0: return str(LANG_RUNNING_TIME);
 937         case 1: t = global_status.runtime;      break;
 938         case 2: return str(LANG_TOP_TIME);
 939         case 3: t = global_status.topruntime;   break;
 940         default:
 941             return "";
 942     }
 943
 944     snprintf(buffer, buffer_len, "%dh %dm %ds",
 945         t / 3600, (t % 3600) / 60, t % 60);
 946     return buffer;
 947 }
 948
 949 static int runtime_speak_data(int selected_item, void* data)
 950 {
 951     (void) data;
 952     talk_ids(false,
 953              (selected_item < 2) ? LANG_RUNNING_TIME : LANG_TOP_TIME,
 954              TALK_ID((selected_item < 2) ? global_status.runtime
 955                      : global_status.topruntime, UNIT_TIME));
 956     return 0;
 957 }
 958
 959
 960 bool view_runtime(void)
 961 {
 962     static const char *lines[]={ID2P(LANG_CLEAR_TIME)};
 963     static const struct text_message message={lines, 1};
 964
 965     struct gui_synclist lists;
 966     int action;
 967     gui_synclist_init(&lists, runtime_get_data, NULL, false, 2, NULL);
 968 #if !defined(HAVE_LCD_CHARCELLS)
 969     gui_synclist_set_title(&lists, str(LANG_RUNNING_TIME), NOICON);
 970 #else
 971     gui_synclist_set_title(&lists, NULL, NOICON);
 972 #endif
 973     if(global_settings.talk_menu)
 974         gui_synclist_set_voice_callback(&lists, runtime_speak_data);
 975     gui_synclist_set_icon_callback(&lists, NULL);
 976     gui_synclist_set_nb_items(&lists, 4);
 977     gui_synclist_speak_item(&lists);
 978     while(1)
 979     {
 980 #if CONFIG_CHARGING
 981         if (charger_inserted())
 982         {
 983             global_status.runtime = 0;
 984         }
 985         else
 986 #endif
 987         {
 988             global_status.runtime += ((current_tick - lasttime) / HZ);
 989         }
 990         lasttime = current_tick;
 991         gui_synclist_draw(&lists);
 992         list_do_action(CONTEXT_STD, HZ,
 993                     &lists, &action, LIST_WRAP_UNLESS_HELD);
 994         if(action == ACTION_STD_CANCEL)
 995             break;
 996         if(action == ACTION_STD_OK) {
 997             if(gui_syncyesno_run(&message, NULL, NULL)==YESNO_YES)
 998             {
 999                 if (!(gui_synclist_get_sel_pos(&lists)/2))
1000                     global_status.runtime = 0;
1001                 else
1002                     global_status.topruntime = 0;
1003                 gui_synclist_speak_item(&lists);
1004             }
1005         }
1006         if(default_event_handler(action) == SYS_USB_CONNECTED)
1007             return true;
1008     }
1009     return false;
1010 }
1011
1012 #ifdef HAVE_TOUCHSCREEN
1013 static int get_sample(struct touchscreen_calibration *cal, int x, int y, int i,
1014                       struct screen* screen)
1015 {
1016     int action;
1017     short ts_x, ts_y;
1018
1019     /* Draw a cross */
1020     screen->drawline(x - 10, y, x - 2, y);
1021     screen->drawline(x + 2, y, x + 10, y);
1022     screen->drawline(x, y - 10, x, y - 2);
1023     screen->drawline(x, y + 2, x, y + 10);
1024     screen->update();
1025
1026     /* Wait for a touchscreen press */
1027     while(true)
1028     {
1029         action = get_action(CONTEXT_STD, TIMEOUT_BLOCK);
1030         if(action == ACTION_TOUCHSCREEN)
1031         {
1032             if(action_get_touchscreen_press(&ts_x, &ts_y) == BUTTON_REL)
1033                 break;
1034         }
1035         else if(action == ACTION_STD_CANCEL)
1036             return -1;
1037     }
1038
1039     cal->x[i][0] = ts_x;
1040     cal->y[i][0] = ts_y;
1041     cal->x[i][1] = x;
1042     cal->y[i][1] = y;
1043
1044     return 0;
1045 }
1046
1047
1048 int calibrate(void)
1049 {
1050     short points[3][2] = {
1051         {LCD_WIDTH/10, LCD_HEIGHT/10},
1052         {7*LCD_WIDTH/8, LCD_HEIGHT/2},
1053         {LCD_WIDTH/2, 7*LCD_HEIGHT/8}
1054     };
1055     struct screen* screen = &screens[SCREEN_MAIN];
1056     enum touchscreen_mode old_mode = touchscreen_get_mode();
1057     struct touchscreen_calibration cal;
1058     int i, ret = 0;
1059     int statusbar = global_settings.statusbar; /* hide the statusbar */
1060     global_settings.statusbar = STATUSBAR_OFF;
1061
1062     touchscreen_disable_mapping(); /* set raw mode */
1063     touchscreen_set_mode(TOUCHSCREEN_POINT);
1064     for(i=0; i<3; i++)
1065     {
1066         screen->clear_display();
1067
1068         if(get_sample(&cal, points[i][0], points[i][1], i, screen))
1069         {
1070             ret = -1;
1071             break;
1072         }
1073     }
1074
1075     if(ret == 0)
1076         touchscreen_calibrate(&cal);
1077     else
1078         touchscreen_reset_mapping();
1079     memcpy(&global_settings.ts_calibration_data, &calibration_parameters, sizeof(struct touchscreen_parameter));
1080     touchscreen_set_mode(old_mode);
1081     global_settings.statusbar = statusbar;
1082
1083     return ret;
1084 }
1085
1086 int reset_mapping(void)
1087 {
1088     touchscreen_reset_mapping();
1089     memcpy(&global_settings.ts_calibration_data, &calibration_parameters, sizeof(struct touchscreen_parameter));
1090     return 0;
1091 }
1092 #endif