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