apps/plugins/calendar.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  * (based upon 1.1 by calpefrosch) updated by www.HuwSy.ukhackers.net
  10  *
  11  * Copyright (C) 2002
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ****************************************************************************/
  22 #include "plugin.h"
  23
  24 #include <timefuncs.h>
  25 #include "lib/playback_control.h"
  26 #include "lib/configfile.h"
  27
  28
  29
  30 #if CONFIG_KEYPAD == RECORDER_PAD
  31 #define CALENDAR_QUIT       BUTTON_OFF
  32 #define CALENDAR_SELECT     BUTTON_PLAY
  33 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
  34 #define CALENDAR_PREV_WEEK  BUTTON_UP
  35 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
  36 #define CALENDAR_PREV_DAY   BUTTON_LEFT
  37 #define CALENDAR_NEXT_MONTH (BUTTON_ON|BUTTON_DOWN)
  38 #define CALENDAR_PREV_MONTH (BUTTON_ON|BUTTON_UP)
  39
  40 #elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
  41 #define CALENDAR_QUIT       BUTTON_OFF
  42 #define CALENDAR_SELECT     BUTTON_SELECT
  43 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
  44 #define CALENDAR_PREV_WEEK  BUTTON_UP
  45 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
  46 #define CALENDAR_PREV_DAY   BUTTON_LEFT
  47 #define CALENDAR_NEXT_MONTH (BUTTON_ON|BUTTON_DOWN)
  48 #define CALENDAR_PREV_MONTH (BUTTON_ON|BUTTON_UP)
  49
  50 #elif CONFIG_KEYPAD == ONDIO_PAD
  51 #define CALENDAR_QUIT       BUTTON_OFF
  52 #define CALENDAR_SELECT     (BUTTON_MENU|BUTTON_REL)
  53 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
  54 #define CALENDAR_PREV_WEEK  BUTTON_UP
  55 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
  56 #define CALENDAR_PREV_DAY   BUTTON_LEFT
  57 #define CALENDAR_NEXT_MONTH (BUTTON_MENU|BUTTON_DOWN)
  58 #define CALENDAR_PREV_MONTH (BUTTON_MENU|BUTTON_UP)
  59
  60 #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
  61       (CONFIG_KEYPAD == IRIVER_H300_PAD)
  62 #define CALENDAR_QUIT       BUTTON_OFF
  63 #define CALENDAR_SELECT     BUTTON_SELECT
  64 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
  65 #define CALENDAR_PREV_WEEK  BUTTON_UP
  66 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
  67 #define CALENDAR_PREV_DAY   BUTTON_LEFT
  68 #define CALENDAR_NEXT_MONTH BUTTON_MODE
  69 #define CALENDAR_PREV_MONTH BUTTON_REC
  70
  71 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  72       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  73       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  74 #define CALENDAR_QUIT       (BUTTON_SELECT|BUTTON_MENU)
  75 #define CALENDAR_SELECT     (BUTTON_SELECT|BUTTON_REL)
  76 #define CALENDAR_NEXT_WEEK  BUTTON_SCROLL_FWD
  77 #define CALENDAR_PREV_WEEK  BUTTON_SCROLL_BACK
  78 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
  79 #define CALENDAR_PREV_DAY   BUTTON_LEFT
  80 #define CALENDAR_NEXT_MONTH BUTTON_PLAY
  81 #define CALENDAR_PREV_MONTH (BUTTON_MENU|BUTTON_REL)
  82
  83 #elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  84 #define CALENDAR_QUIT       BUTTON_POWER
  85 #define CALENDAR_SELECT     BUTTON_SELECT
  86 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
  87 #define CALENDAR_PREV_WEEK  BUTTON_UP
  88 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
  89 #define CALENDAR_PREV_DAY   BUTTON_LEFT
  90 #define CALENDAR_NEXT_MONTH BUTTON_PLAY
  91 #define CALENDAR_PREV_MONTH BUTTON_REC
  92
  93 #elif CONFIG_KEYPAD == GIGABEAT_PAD
  94 #define CALENDAR_QUIT       BUTTON_POWER
  95 #define CALENDAR_SELECT     BUTTON_SELECT
  96 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
  97 #define CALENDAR_PREV_WEEK  BUTTON_UP
  98 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
  99 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 100 #define CALENDAR_NEXT_MONTH BUTTON_VOL_DOWN
 101 #define CALENDAR_PREV_MONTH BUTTON_VOL_UP
 102
 103 #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
 104 #define CALENDAR_QUIT       BUTTON_PLAY
 105 #define CALENDAR_SELECT     BUTTON_SELECT
 106 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 107 #define CALENDAR_PREV_WEEK  BUTTON_UP
 108 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 109 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 110 #define CALENDAR_NEXT_MONTH BUTTON_MODE
 111 #define CALENDAR_PREV_MONTH BUTTON_EQ
 112
 113 #elif CONFIG_KEYPAD == SANSA_E200_PAD
 114 #define CALENDAR_QUIT       BUTTON_POWER
 115 #define CALENDAR_SELECT     BUTTON_SELECT
 116 #define CALENDAR_NEXT_WEEK  BUTTON_SCROLL_FWD
 117 #define CALENDAR_PREV_WEEK  BUTTON_SCROLL_BACK
 118 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 119 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 120 #define CALENDAR_NEXT_MONTH BUTTON_DOWN
 121 #define CALENDAR_PREV_MONTH BUTTON_UP
 122
 123 #elif CONFIG_KEYPAD == SANSA_FUZE_PAD
 124 #define CALENDAR_QUIT       (BUTTON_HOME|BUTTON_REPEAT)
 125 #define CALENDAR_SELECT     BUTTON_SELECT
 126 #define CALENDAR_NEXT_WEEK  BUTTON_SCROLL_FWD
 127 #define CALENDAR_PREV_WEEK  BUTTON_SCROLL_BACK
 128 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 129 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 130 #define CALENDAR_NEXT_MONTH BUTTON_DOWN
 131 #define CALENDAR_PREV_MONTH BUTTON_UP
 132
 133 #elif (CONFIG_KEYPAD == SANSA_C200_PAD) || \
 134       (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
 135       (CONFIG_KEYPAD == SANSA_M200_PAD)
 136 #define CALENDAR_QUIT       BUTTON_POWER
 137 #define CALENDAR_SELECT     BUTTON_SELECT
 138 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 139 #define CALENDAR_PREV_WEEK  BUTTON_UP
 140 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 141 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 142 #define CALENDAR_NEXT_MONTH BUTTON_VOL_UP
 143 #define CALENDAR_PREV_MONTH BUTTON_VOL_DOWN
 144
 145 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 146 #define CALENDAR_QUIT       BUTTON_POWER
 147 #define CALENDAR_SELECT     BUTTON_PLAY
 148 #define CALENDAR_NEXT_WEEK  BUTTON_SCROLL_DOWN
 149 #define CALENDAR_PREV_WEEK  BUTTON_SCROLL_UP
 150 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 151 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 152 #define CALENDAR_NEXT_MONTH BUTTON_FF
 153 #define CALENDAR_PREV_MONTH BUTTON_REW
 154
 155 #elif CONFIG_KEYPAD == GIGABEAT_S_PAD
 156 #define CALENDAR_QUIT       BUTTON_BACK
 157 #define CALENDAR_SELECT     BUTTON_SELECT
 158 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 159 #define CALENDAR_PREV_WEEK  BUTTON_UP
 160 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 161 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 162 #define CALENDAR_NEXT_MONTH BUTTON_NEXT
 163 #define CALENDAR_PREV_MONTH BUTTON_PREV
 164
 165 #elif CONFIG_KEYPAD == MROBE100_PAD
 166 #define CALENDAR_QUIT       BUTTON_POWER
 167 #define CALENDAR_SELECT     BUTTON_SELECT
 168 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 169 #define CALENDAR_PREV_WEEK  BUTTON_UP
 170 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 171 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 172 #define CALENDAR_NEXT_MONTH (BUTTON_MENU|BUTTON_DOWN)
 173 #define CALENDAR_PREV_MONTH (BUTTON_MENU|BUTTON_UP)
 174
 175 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 176 #define CALENDAR_QUIT       BUTTON_RC_REC
 177 #define CALENDAR_SELECT     BUTTON_RC_PLAY
 178 #define CALENDAR_NEXT_WEEK  BUTTON_RC_VOL_DOWN
 179 #define CALENDAR_PREV_WEEK  BUTTON_RC_VOL_UP
 180 #define CALENDAR_NEXT_DAY   BUTTON_RC_FF
 181 #define CALENDAR_PREV_DAY   BUTTON_RC_REW
 182 #define CALENDAR_NEXT_MONTH BUTTON_RC_MODE
 183 #define CALENDAR_PREV_MONTH BUTTON_RC_MENU
 184
 185 #elif (CONFIG_KEYPAD == COWON_D2_PAD)
 186 #define CALENDAR_QUIT       BUTTON_POWER
 187 #define CALENDAR_SELECT     BUTTON_CENTER
 188 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 189 #define CALENDAR_PREV_WEEK  BUTTON_UP
 190 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 191 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 192 #define CALENDAR_NEXT_MONTH BUTTON_BOTTOMRIGHT
 193 #define CALENDAR_PREV_MONTH BUTTON_BOTTOMLEFT
 194
 195 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 196 #define CALENDAR_QUIT       BUTTON_BACK
 197 #define CALENDAR_SELECT     BUTTON_SELECT
 198 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 199 #define CALENDAR_PREV_WEEK  BUTTON_UP
 200 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 201 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 202 #define CALENDAR_NEXT_MONTH BUTTON_CUSTOM
 203 #define CALENDAR_PREV_MONTH BUTTON_PLAY
 204
 205 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 206 #define CALENDAR_QUIT       BUTTON_POWER
 207 #define CALENDAR_SELECT     BUTTON_SELECT
 208 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 209 #define CALENDAR_PREV_WEEK  BUTTON_UP
 210 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 211 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 212 #define CALENDAR_NEXT_MONTH BUTTON_VOL_DOWN
 213 #define CALENDAR_PREV_MONTH BUTTON_VOL_UP
 214
 215 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 216 #define CALENDAR_QUIT       BUTTON_POWER
 217 #define CALENDAR_SELECT     BUTTON_PLAY
 218 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 219 #define CALENDAR_PREV_WEEK  BUTTON_UP
 220 #define CALENDAR_NEXT_DAY   BUTTON_NEXT
 221 #define CALENDAR_PREV_DAY   BUTTON_PREV
 222 #define CALENDAR_NEXT_MONTH BUTTON_VOL_DOWN
 223 #define CALENDAR_PREV_MONTH BUTTON_VOL_UP
 224
 225 #elif (CONFIG_KEYPAD == ONDAVX747_PAD)
 226 #define CALENDAR_QUIT       BUTTON_POWER
 227 #define CALENDAR_SELECT     BUTTON_MENU
 228 #define CALENDAR_NEXT_WEEK  BUTTON_VOL_DOWN
 229 #define CALENDAR_PREV_WEEK  BUTTON_VOL_UP
 230 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 231 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 232 #define CALENDAR_NEXT_MONTH BUTTON_BOTTOMRIGHT
 233 #define CALENDAR_PREV_MONTH BUTTON_BOTTOMLEFT
 234
 235 #elif (CONFIG_KEYPAD == ONDAVX777_PAD)
 236 #define CALENDAR_QUIT       BUTTON_POWER
 237
 238 #elif CONFIG_KEYPAD == MROBE500_PAD
 239 #define CALENDAR_QUIT       BUTTON_POWER
 240
 241 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 242 #define CALENDAR_QUIT       BUTTON_REC
 243 #define CALENDAR_SELECT     BUTTON_PLAY
 244 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 245 #define CALENDAR_PREV_WEEK  BUTTON_UP
 246 #define CALENDAR_NEXT_DAY   BUTTON_RIGHT
 247 #define CALENDAR_PREV_DAY   BUTTON_LEFT
 248 #define CALENDAR_NEXT_MONTH BUTTON_FFWD
 249 #define CALENDAR_PREV_MONTH BUTTON_REW
 250
 251 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 252 #define CALENDAR_QUIT       BUTTON_REC
 253 #define CALENDAR_SELECT     BUTTON_OK
 254 #define CALENDAR_NEXT_WEEK  BUTTON_DOWN
 255 #define CALENDAR_PREV_WEEK  BUTTON_UP
 256 #define CALENDAR_NEXT_DAY   BUTTON_NEXT
 257 #define CALENDAR_PREV_DAY   BUTTON_PREV
 258 #define CALENDAR_NEXT_MONTH BUTTON_PLAY
 259 #define CALENDAR_PREV_MONTH BUTTON_MENU
 260
 261 #elif CONFIG_KEYPAD == MPIO_HD200_PAD
 262 #define CALENDAR_QUIT       (BUTTON_REC|BUTTON_PLAY)
 263 #define CALENDAR_SELECT     BUTTON_SELECT
 264 #define CALENDAR_NEXT_WEEK  BUTTON_NEXT
 265 #define CALENDAR_PREV_WEEK  BUTTON_PREV
 266 #define CALENDAR_NEXT_DAY   BUTTON_VOL_UP
 267 #define CALENDAR_PREV_DAY   BUTTON_VOL_DOWN
 268 #define CALENDAR_NEXT_MONTH BUTTON_PLAY
 269 #define CALENDAR_PREV_MONTH BUTTON_REC
 270
 271 #else
 272 #error "No keypad setting."
 273 #endif
 274
 275 #ifdef HAVE_TOUCHSCREEN
 276 #ifndef CALENDAR_QUIT
 277 #define CALENDAR_QUIT       BUTTON_MIDLEFT
 278 #endif
 279 #ifndef CALENDAR_SELECT
 280 #define CALENDAR_SELECT     BUTTON_CENTER
 281 #endif
 282 #ifndef CALENDAR_NEXT_DAY
 283 #define CALENDAR_NEXT_DAY   BUTTON_TOPLEFT
 284 #endif
 285 #ifndef CALENDAR_PREV_DAY
 286 #define CALENDAR_PREV_DAY   BUTTON_BOTTOMLEFT
 287 #endif
 288 #ifndef CALENDAR_NEXT_WEEK
 289 #define CALENDAR_NEXT_WEEK  BUTTON_TOPMIDDLE
 290 #endif
 291 #ifndef CALENDAR_PREV_WEEK
 292 #define CALENDAR_PREV_WEEK  BUTTON_BOTTOMMIDDLE
 293 #endif
 294 #ifndef CALENDAR_NEXT_MONTH
 295 #define CALENDAR_NEXT_MONTH BUTTON_TOPRIGHT
 296 #endif
 297 #ifndef CALENDAR_PREV_MONTH
 298 #define CALENDAR_PREV_MONTH BUTTON_BOTTOMRIGHT
 299 #endif
 300 #endif
 301
 302 #define MEMO_FILE PLUGIN_APPS_DIR "/.memo"
 303 #define TEMP_FILE PLUGIN_APPS_DIR "/~temp"
 304
 305 #define X_OFFSET ((LCD_WIDTH%7)/2)
 306 #if LCD_HEIGHT <= 80
 307 #define Y_OFFSET 1
 308 #else
 309 #define Y_OFFSET 4
 310 #endif
 311 #define CELL_WIDTH  (LCD_WIDTH / 7)
 312 #define CELL_HEIGHT (LCD_HEIGHT / 7)
 313
 314 #define CFG_FILE "calendar.cfg"
 315 struct info {
 316     int first_wday;
 317 #if (CONFIG_RTC == 0)
 318     int last_mon;
 319     int last_year;
 320 #endif
 321 };
 322 static struct info info = { .first_wday = 0 }, old_info;
 323 static struct configdata config[] = {
 324     { TYPE_INT, 0, 6, { .int_p = &(info.first_wday) }, "first wday", NULL },
 325 #if (CONFIG_RTC == 0)
 326     { TYPE_INT, 1, 12, { .int_p = &(info.last_mon) }, "last mon", NULL },
 327     { TYPE_INT, 1, 3000, { .int_p = &(info.last_year) }, "last year", NULL },
 328 #endif
 329 };
 330
 331 static bool leap_year;
 332 /* days_in_month[][0] is for December */
 333 static const int days_in_month[2][13] = {
 334     {31, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
 335     {31, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
 336 };
 337
 338 static const char *dayname_long[7] = {"Mon","Tue","Wed","Thu","Fri","Sat","Sun"};
 339 static const char *dayname_short[7] = {"M","T","W","T","F","S","S"};
 340
 341 struct shown {
 342     int     mday;        /* day of the month */
 343     int     mon;         /* month */
 344     int     year;        /* year since 1900 */
 345     int     wday;        /* day of the week */
 346     int     firstday;    /* first (w)day of month */
 347     int     lastday;     /* last (w)day of month */
 348 };
 349
 350 static bool use_system_font = false;
 351
 352 static bool been_in_usb_mode = false;
 353
 354 /* leap year -- account for gregorian reformation in 1752 */
 355 static int is_leap_year(int yr)
 356 {
 357     return ((yr) <= 1752 ? !((yr) % 4) : \
 358         (!((yr) % 4) && ((yr) % 100)) || !((yr) % 400))  ? 1:0 ;
 359 }
 360
 361 /* searches the weekday of the first day in month,
 362  * relative to the given values */
 363 static int calc_weekday( struct shown *shown )
 364 {
 365     return ( shown->wday + 36 - shown->mday ) % 7 ;
 366 }
 367
 368 #if (CONFIG_RTC == 0)
 369 /* from timefunc.c */
 370 static void my_set_day_of_week(struct shown *shown)
 371 {
 372     int y = shown->year;
 373     int d = shown->mday;
 374     int m = shown->mon-1;
 375     static const char mo[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
 376
 377     if(m == 0 || m == 1) y--;
 378     shown->wday = (d + mo[m] + y + y/4 - y/100 + y/400) % 7 - 1;
 379 }
 380 #endif
 381
 382 static void calendar_init(struct shown *shown)
 383 {
 384     int w, h;
 385 #if CONFIG_RTC
 386     struct tm *tm;
 387 #endif
 388     rb->lcd_getstringsize("A", &w, &h);
 389     if ( ((w * 14) > LCD_WIDTH) || ((h * 7) > LCD_HEIGHT) )
 390     {
 391         use_system_font = true;
 392     }
 393 #if CONFIG_RTC
 394     tm = rb->get_time();
 395     shown->mday = tm->tm_mday;
 396     shown->mon = tm->tm_mon + 1;
 397     shown->year = 2000 + (tm->tm_year%100);
 398     shown->wday = tm->tm_wday - 1;
 399 #else
 400 #define S100(x) 1 ## x
 401 #define C2DIG2DEC(x) (S100(x)-100)
 402     if(info.last_mon == 0 || info.last_year == 0)
 403     {
 404         shown->mon = C2DIG2DEC(MONTH);
 405         shown->year = YEAR;
 406     }
 407     else
 408     {
 409         shown->mon = info.last_mon;
 410         shown->year = info.last_year;
 411     }
 412     shown->mday = 1;
 413     my_set_day_of_week(shown);
 414 #endif
 415     shown->firstday = calc_weekday(shown);
 416     leap_year = is_leap_year(shown->year);
 417 }
 418
 419 static void draw_headers(void)
 420 {
 421     int i, w, h;
 422     int x = X_OFFSET;
 423     int wday;
 424     const char **dayname = dayname_long;
 425
 426     for (i = 0; i < 7; i++)
 427     {
 428         rb->lcd_getstringsize(dayname[i], &w, &h);
 429         if (w > CELL_WIDTH)
 430         {
 431             dayname = dayname_short;
 432             break;
 433         }
 434     }
 435
 436     wday = info.first_wday;
 437     rb->lcd_getstringsize("A", &w, &h);
 438     for (i = 0; i < 7; i++)
 439     {
 440         if (wday >= 7) wday = 0;
 441         rb->lcd_putsxy(x, 0, dayname[wday++]);
 442         x += CELL_WIDTH;
 443     }
 444     rb->lcd_hline(0, LCD_WIDTH-1, h);
 445 }
 446
 447 static bool day_has_memo[32];
 448 static bool wday_has_memo[7];
 449 static void draw_calendar(struct shown *shown)
 450 {
 451     int w, h;
 452     int x, y, pos, days_per_month, j;
 453     int wday;
 454     const char *monthname[] = {
 455         "Jan", "Feb", "Mar", "Apr", "May", "Jun",
 456         "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
 457     };
 458     if(use_system_font)
 459     {
 460         rb->lcd_setfont(FONT_SYSFIXED);
 461     }
 462     rb->lcd_getstringsize("A", &w, &h);
 463     rb->lcd_clear_display();
 464     draw_headers();
 465     wday = shown->firstday;
 466     pos = wday + 7 - info.first_wday;
 467     if (pos >= 7) pos -= 7;
 468
 469     days_per_month = days_in_month[leap_year][shown->mon];
 470     x = X_OFFSET + (pos * CELL_WIDTH);
 471     y = Y_OFFSET + h;
 472     for (j = 1; j <= days_per_month; j++)
 473     {
 474         if (shown->mday == j)
 475         {
 476             rb->lcd_set_drawmode(DRMODE_SOLID);
 477             rb->lcd_fillrect(x, y - 1, CELL_WIDTH - 1, CELL_HEIGHT);
 478             rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 479             shown->wday = wday;
 480         }
 481         else
 482         {
 483             rb->lcd_set_drawmode(DRMODE_SOLID);
 484         }
 485         if ( (day_has_memo[j]) || (wday_has_memo[wday]) )
 486             rb->lcd_putsxyf(x, y, "%02d.", j);
 487         else
 488             rb->lcd_putsxyf(x, y, "%02d", j);
 489         x += CELL_WIDTH;
 490         wday++;
 491         if (wday >= 7)
 492             wday = 0;
 493         pos++;
 494         if (pos >= 7)
 495         {
 496             pos = 0;
 497             x = X_OFFSET;
 498             y += CELL_HEIGHT;
 499         }
 500     }
 501     shown->lastday = wday;
 502     rb->lcd_set_drawmode(DRMODE_SOLID);
 503     rb->lcd_vline(LCD_WIDTH-w*8-10, LCD_HEIGHT-h-3, LCD_HEIGHT-1);
 504     rb->lcd_hline(LCD_WIDTH-w*8-10, LCD_WIDTH-1, LCD_HEIGHT-h-3);
 505     rb->lcd_putsxyf(LCD_WIDTH-w*8-8, LCD_HEIGHT-h-1, "%s %04d",
 506                  monthname[shown->mon-1], shown->year);
 507     rb->lcd_update();
 508 }
 509
 510 #define MAX_CHAR_MEMO_LEN 64
 511 #define MAX_MEMOS_IN_A_MONTH 128
 512 struct memo {
 513     char    message[MAX_CHAR_MEMO_LEN];
 514     int     day;
 515     int     month;
 516     int     file_pointer_start;
 517     int     file_pointer_end;
 518     int     year;
 519     int     wday;
 520     int     type;
 521 } memos[MAX_MEMOS_IN_A_MONTH];
 522 static int pointer_array[MAX_MEMOS_IN_A_MONTH];
 523 static int memos_in_memory = 0;
 524 static int memos_in_shown_memory = 0;
 525
 526 static void load_memo(struct shown *shown)
 527 {
 528     int k, fp;
 529     bool exit = false;
 530     char temp_memo1[2];
 531     char temp_memo2[3];
 532     char temp_memo4[5];
 533     temp_memo1[1] = 0;
 534     temp_memo2[2] = 0;
 535     temp_memo4[4] = 0;
 536     for (k = 1; k < 32; k++)
 537         day_has_memo[k] = false;
 538     for (k = 0; k < 7; k++)
 539         wday_has_memo[k] = false;
 540     memos_in_memory = 0;
 541     fp = rb->open(MEMO_FILE, O_RDONLY);
 542     if (fp > -1)
 543     {
 544         rb->lseek(fp, 0, SEEK_SET);
 545         while (!exit)
 546         {
 547             bool load_to_memory;
 548             struct memo *memo = &memos[memos_in_memory];
 549             rb->memset(memo, 0, sizeof(*memo));
 550             memo->file_pointer_start = rb->lseek(fp, 0, SEEK_CUR);
 551             if (rb->read(fp, temp_memo2, 2) == 2)
 552                 memo->day = rb->atoi(temp_memo2);
 553             if (rb->read(fp, temp_memo2, 2) == 2)
 554                 memo->month = rb->atoi(temp_memo2);
 555             if (rb->read(fp, temp_memo4, 4) == 4)
 556                 memo->year = rb->atoi(temp_memo4);
 557             if (rb->read(fp, temp_memo1, 1) == 1)
 558                 memo->wday = rb->atoi(temp_memo1);
 559             if (rb->read(fp, temp_memo1, 1) == 1)
 560                 memo->type = rb->atoi(temp_memo1);
 561             load_to_memory = ((memo->type < 2) ||
 562                               ((memo->type == 2) &&
 563                                   (memo->month == shown->mon)) ||
 564                               ((memo->type > 2) &&
 565                                   (memo->month == shown->mon) &&
 566                                   (memo->year == shown->year)));
 567             k = 0;
 568             while (1)
 569             {
 570                 if (rb->read(fp, temp_memo1, 1) != 1)
 571                 {
 572                     memo->day = 0;
 573                     memo->month = 0;
 574                     memo->file_pointer_start = 0;
 575                     memo->file_pointer_end = 0;
 576                     memo->year = 0;
 577                     memo->type = 0;
 578                     memo->wday = 0;
 579                     memo->message[0] = 0;
 580                     exit = true;
 581                     break;
 582                 }
 583                 if (load_to_memory)
 584                 {
 585                     if (temp_memo1[0] == '\n')
 586                     {
 587                         if (memo->type > 0)
 588                             day_has_memo[memo->day] = true;
 589                         else
 590                             wday_has_memo[memo->wday] = true;
 591                         memo->file_pointer_end = rb->lseek(fp, 0, SEEK_CUR);
 592                         memos_in_memory++;
 593                     }
 594                     else if ( (temp_memo1[0] != '\r') &&
 595                               (temp_memo1[0] != '\t') &&
 596                               k < MAX_CHAR_MEMO_LEN-1 )
 597                         memo->message[k++] = temp_memo1[0];
 598                 }
 599                 if (temp_memo1[0] == '\n')
 600                     break;
 601             }
 602         }
 603         rb->close(fp);
 604     }
 605 }
 606
 607 static bool save_memo(int changed, bool new_mod, struct shown *shown)
 608 {
 609     int fp, fq;
 610     /* use O_RDWR|O_CREAT so that file is created if it doesn't exist. */
 611     fp = rb->open(MEMO_FILE, O_RDWR|O_CREAT, 0666);
 612     fq = rb->creat(TEMP_FILE, 0666);
 613     if ( (fq > -1) && (fp > -1) )
 614     {
 615         int i;
 616         char temp[MAX_CHAR_MEMO_LEN];
 617         struct memo *memo = &memos[changed];
 618         rb->lseek(fp, 0, SEEK_SET);
 619         for (i = 0; i < memo->file_pointer_start; i++)
 620         {
 621             rb->read(fp, temp, 1);
 622             rb->write(fq, temp, 1);
 623         }
 624         if (new_mod)
 625         {
 626             rb->fdprintf(fq, "%02d%02d%04d%01d%01d%s\n",
 627                          memo->day, memo->month, memo->year, memo->wday,
 628                          memo->type, memo->message);
 629         }
 630         rb->lseek(fp, memo->file_pointer_end, SEEK_SET);
 631         while(rb->read(fp, temp, 1) == 1)
 632         {
 633             rb->write(fq, temp, 1);
 634         }
 635         rb->close(fp);
 636         rb->close(fq);
 637         rb->remove(MEMO_FILE);
 638         rb->rename(TEMP_FILE, MEMO_FILE);
 639         load_memo(shown);
 640         return true;
 641     }
 642     else if (fp > -1)
 643         rb->close(fp);
 644     else if (fq > -1)
 645         rb->close(fq);
 646     return false;
 647 }
 648
 649 static void add_memo(struct shown *shown, int type)
 650 {
 651     bool saved = false;
 652     struct memo *memo = &memos[memos_in_memory];
 653     if (rb->kbd_input(memo->message, MAX_CHAR_MEMO_LEN) == 0)
 654     {
 655         if (memo->message[0])
 656         {
 657             memo->file_pointer_start = 0;
 658             memo->file_pointer_end = 0;
 659             memo->day = shown->mday;
 660             memo->month = shown->mon;
 661             memo->wday = shown->wday;
 662             memo->year = shown->year;
 663             memo->type = type;
 664             if (save_memo(memos_in_memory, true, shown))
 665             {
 666                 saved = true;
 667             }
 668             else
 669             {
 670                 memo->file_pointer_start = 0;
 671                 memo->file_pointer_end = 0;
 672                 memo->day = 0;
 673                 memo->month = 0;
 674                 memo->year = 0;
 675                 memo->type = 0;
 676                 memo->wday = 0;
 677             }
 678         }
 679     }
 680     rb->lcd_clear_display();
 681     if (saved)
 682         rb->splash(HZ/2, "Event added");
 683     else
 684         rb->splash(HZ/2, "Event not added");
 685 }
 686
 687 static int edit_menu_cb(int action, const struct menu_item_ex *this_item)
 688 {
 689     int i = (intptr_t)this_item;
 690     if (action == ACTION_REQUEST_MENUITEM
 691         && memos_in_shown_memory <= 0 && (i==0 || i==1))
 692         return ACTION_EXIT_MENUITEM;
 693     return action;
 694 }
 695
 696 static bool edit_memo(int change, struct shown *shown)
 697 {
 698     bool exit = false;
 699     int selected = 0;
 700
 701     static const struct opt_items modes[7] = {
 702         { "Mon", -1 },
 703         { "Tue", -1 },
 704         { "Wed", -1 },
 705         { "Thu", -1 },
 706         { "Fri", -1 },
 707         { "Sat", -1 },
 708         { "Sun", -1 },
 709     };
 710
 711     MENUITEM_STRINGLIST(edit_menu, "Edit menu", edit_menu_cb,
 712                         "Remove", "Edit",
 713                         "New Weekly", "New Monthly",
 714                         "New Yearly", "New One off",
 715                         "First Day of Week",
 716                         "Playback Control");
 717
 718     while (!exit)
 719     {
 720         switch (rb->do_menu(&edit_menu, &selected, NULL, false))
 721         {
 722             case 0: /* remove */
 723                 save_memo(change, false, shown);
 724                 return false;
 725
 726             case 1: /* edit */
 727                 if(rb->kbd_input(memos[change].message,
 728                                  MAX_CHAR_MEMO_LEN)  == 0)
 729                     save_memo(change, true, shown);
 730                 return false;
 731
 732             case 2: /* weekly */
 733                 add_memo(shown, 0);
 734                 return false;
 735
 736             case 3: /* monthly */
 737                 add_memo(shown, 1);
 738                 return false;
 739
 740             case 4: /* yearly */
 741                 add_memo(shown, 2);
 742                 return false;
 743
 744             case 5: /* one off */
 745                 add_memo(shown, 3);
 746                 return false;
 747
 748             case 6: /* weekday */
 749                 rb->set_option("First Day of Week", &info.first_wday,
 750                                 INT, modes, 7, NULL);
 751                 break;
 752
 753             case 7: /* playback control */
 754                 playback_control(NULL);
 755                 break;
 756
 757             case GO_TO_PREVIOUS:
 758                 return false;
 759
 760             case MENU_ATTACHED_USB:
 761                 been_in_usb_mode = true;
 762                 break;
 763         }
 764     }
 765     return false;
 766 }
 767
 768 static const char* get_event_text(int selected, void *data,
 769                                   char *buffer, size_t buffer_len)
 770 {
 771     struct shown *shown = (struct shown *) data;
 772     struct memo *memo;
 773     if (selected < 0 || memos_in_shown_memory <= selected)
 774     {
 775         return NULL;
 776     }
 777     memo = &memos[pointer_array[selected]];
 778     if (memo->type == 2)
 779         rb->snprintf(buffer, buffer_len, "%s (%d yrs)",
 780                      memo->message, shown->year - memo->year);
 781     else
 782         rb->snprintf(buffer, buffer_len, "%s", memo->message);
 783     return buffer;
 784 }
 785
 786 static bool view_events(int selected, struct shown *shown)
 787 {
 788     struct gui_synclist gui_memos;
 789     bool exit=false;
 790     int button;
 791
 792     rb->gui_synclist_init(&gui_memos, &get_event_text, shown, false, 1, NULL);
 793     rb->gui_synclist_set_title(&gui_memos, "Events (play : menu)", NOICON);
 794     rb->gui_synclist_set_nb_items(&gui_memos, memos_in_shown_memory);
 795     rb->gui_synclist_select_item(&gui_memos, selected);
 796     rb->gui_synclist_draw(&gui_memos);
 797
 798     while (!exit)
 799     {
 800         button = rb->get_action(CONTEXT_LIST, TIMEOUT_BLOCK);
 801         rb->gui_synclist_do_button(&gui_memos, &button, LIST_WRAP_UNLESS_HELD);
 802
 803         switch (button)
 804         {
 805             case ACTION_STD_OK:
 806                 selected = rb->gui_synclist_get_sel_pos(&gui_memos);
 807                 return edit_memo(pointer_array[selected], shown);
 808                 break;
 809
 810             case ACTION_STD_CANCEL:
 811                 return false;
 812                 break;
 813
 814             default:
 815                 if(rb->default_event_handler(button) == SYS_USB_CONNECTED)
 816                     been_in_usb_mode = true;
 817                 break;
 818         }
 819     }
 820
 821     return false;
 822 }
 823
 824 static void update_memos_shown(struct shown *shown)
 825 {
 826     int i;
 827     struct memo *memo;
 828     memos_in_shown_memory = 0;
 829     for (i = 0; i < memos_in_memory; i++)
 830     {
 831         memo = &memos[i];
 832         if (((memo->type >= 1) && (memo->day == shown->mday)) ||
 833             ((memo->type < 1) && (memo->wday == shown->wday)))
 834             pointer_array[memos_in_shown_memory++] = i;
 835     }
 836 }
 837
 838 static bool any_events(struct shown *shown, bool force)
 839 {
 840     update_memos_shown(shown);
 841
 842     if (memos_in_shown_memory > 0)
 843         return view_events(0, shown);
 844     else if (force)
 845         return edit_memo(0, shown);
 846     else
 847         return false;
 848
 849     return false;
 850 }
 851
 852 static void next_month(struct shown *shown, int step)
 853 {
 854     shown->mon++;
 855     if (shown->mon > 12)
 856     {
 857         shown->mon = 1;
 858         shown->year++;
 859         leap_year = is_leap_year(shown->year);
 860     }
 861     if (step > 0)
 862         shown->mday = shown->mday - days_in_month[leap_year][shown->mon-1];
 863     else if (shown->mday > days_in_month[leap_year][shown->mon])
 864         shown->mday = days_in_month[leap_year][shown->mon];
 865     shown->firstday = shown->lastday;
 866     load_memo(shown);
 867     draw_calendar(shown);
 868 }
 869
 870 static void prev_month(struct shown *shown, int step)
 871 {
 872     shown->mon--;
 873     if (shown->mon < 1)
 874     {
 875         shown->mon = 12;
 876         shown->year--;
 877         leap_year = is_leap_year(shown->year);
 878     }
 879     if (step > 0)
 880         shown->mday = shown->mday + days_in_month[leap_year][shown->mon];
 881     else if (shown->mday > days_in_month[leap_year][shown->mon])
 882         shown->mday = days_in_month[leap_year][shown->mon];
 883     shown->firstday += 7 - (days_in_month[leap_year][shown->mon] % 7);
 884     if (shown->firstday >= 7)
 885         shown->firstday -= 7;
 886     load_memo(shown);
 887     draw_calendar(shown);
 888 }
 889
 890 static void next_day(struct shown *shown, int step)
 891 {
 892     shown->mday += step;
 893     if (shown->mday > days_in_month[leap_year][shown->mon])
 894         next_month(shown, step);
 895     else
 896         draw_calendar(shown);
 897 }
 898
 899 static void prev_day(struct shown *shown, int step)
 900 {
 901     shown->mday -= step;
 902     if (shown->mday < 1)
 903         prev_month(shown, step);
 904     else
 905         draw_calendar(shown);
 906 }
 907
 908 enum plugin_status plugin_start(const void* parameter)
 909 {
 910     struct shown shown;
 911     bool exit = false;
 912     int button;
 913
 914     (void)(parameter);
 915
 916     configfile_load(CFG_FILE, config, ARRAYLEN(config), 0);
 917     rb->memcpy(&old_info, &info, sizeof(struct info));
 918
 919     calendar_init(&shown);
 920     load_memo(&shown);
 921     any_events(&shown, false);
 922     draw_calendar(&shown);
 923
 924     while (!exit)
 925     {
 926         button = rb->button_get(true);
 927         switch (button)
 928         {
 929             case CALENDAR_QUIT:
 930                 exit = true;
 931                 break;
 932
 933             case CALENDAR_NEXT_MONTH:
 934             case CALENDAR_NEXT_MONTH | BUTTON_REPEAT:
 935                 next_month(&shown, 0);
 936                 break;
 937
 938             case CALENDAR_PREV_MONTH:
 939             case CALENDAR_PREV_MONTH | BUTTON_REPEAT:
 940                 prev_month(&shown, 0);
 941                 break;
 942
 943             case CALENDAR_NEXT_WEEK:
 944             case CALENDAR_NEXT_WEEK | BUTTON_REPEAT:
 945                 next_day(&shown, 7);
 946                 break;
 947
 948             case CALENDAR_PREV_WEEK:
 949             case CALENDAR_PREV_WEEK | BUTTON_REPEAT:
 950                 prev_day(&shown, 7);
 951                 break;
 952
 953             case CALENDAR_PREV_DAY:
 954             case CALENDAR_PREV_DAY | BUTTON_REPEAT:
 955                 prev_day(&shown, 1);
 956                 break;
 957
 958             case CALENDAR_NEXT_DAY:
 959             case CALENDAR_NEXT_DAY | BUTTON_REPEAT:
 960                 next_day(&shown, 1);
 961                 break;
 962
 963             case CALENDAR_SELECT:
 964                 any_events(&shown, true);
 965                 draw_calendar(&shown);
 966                 break;
 967
 968             default:
 969                 if(rb->default_event_handler(button) == SYS_USB_CONNECTED)
 970                     been_in_usb_mode = true;
 971                 draw_calendar(&shown);
 972                 break;
 973         }
 974     }
 975
 976
 977 #if (CONFIG_RTC == 0)
 978     info.last_mon = shown.mon;
 979     info.last_year = shown.year;
 980 #endif
 981     if (rb->memcmp(&old_info, &info, sizeof(struct info)))
 982         configfile_save(CFG_FILE, config, ARRAYLEN(config), 0);
 983     return been_in_usb_mode?PLUGIN_USB_CONNECTED:PLUGIN_OK;
 984 }