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 PLUGIN_HEADER
  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 #else
 262 #error "No keypad setting."
 263 #endif
 264
 265 #ifdef HAVE_TOUCHSCREEN
 266 #ifndef CALENDAR_QUIT
 267 #define CALENDAR_QUIT       BUTTON_MIDLEFT
 268 #endif
 269 #ifndef CALENDAR_SELECT
 270 #define CALENDAR_SELECT     BUTTON_CENTER
 271 #endif
 272 #ifndef CALENDAR_NEXT_DAY
 273 #define CALENDAR_NEXT_DAY   BUTTON_TOPLEFT
 274 #endif
 275 #ifndef CALENDAR_PREV_DAY
 276 #define CALENDAR_PREV_DAY   BUTTON_BOTTOMLEFT
 277 #endif
 278 #ifndef CALENDAR_NEXT_WEEK
 279 #define CALENDAR_NEXT_WEEK  BUTTON_TOPMIDDLE
 280 #endif
 281 #ifndef CALENDAR_PREV_WEEK
 282 #define CALENDAR_PREV_WEEK  BUTTON_BOTTOMMIDDLE
 283 #endif
 284 #ifndef CALENDAR_NEXT_MONTH
 285 #define CALENDAR_NEXT_MONTH BUTTON_TOPRIGHT
 286 #endif
 287 #ifndef CALENDAR_PREV_MONTH
 288 #define CALENDAR_PREV_MONTH BUTTON_BOTTOMRIGHT
 289 #endif
 290 #endif
 291
 292 #define MEMO_FILE PLUGIN_APPS_DIR "/.memo"
 293 #define TEMP_FILE PLUGIN_APPS_DIR "/~temp"
 294
 295 #define X_OFFSET ((LCD_WIDTH%7)/2)
 296 #if LCD_HEIGHT <= 80
 297 #define Y_OFFSET 1
 298 #else
 299 #define Y_OFFSET 4
 300 #endif
 301 #define CELL_WIDTH  (LCD_WIDTH / 7)
 302 #define CELL_HEIGHT (LCD_HEIGHT / 7)
 303
 304 #define CFG_FILE "calendar.cfg"
 305 struct info {
 306     int first_wday;
 307 #if (CONFIG_RTC == 0)
 308     int last_mon;
 309     int last_year;
 310 #endif
 311 };
 312 static struct info info = { .first_wday = 0 }, old_info;
 313 static struct configdata config[] = {
 314     { TYPE_INT, 0, 6, { .int_p = &(info.first_wday) }, "first wday", NULL },
 315 #if (CONFIG_RTC == 0)
 316     { TYPE_INT, 1, 12, { .int_p = &(info.last_mon) }, "last mon", NULL },
 317     { TYPE_INT, 1, 3000, { .int_p = &(info.last_year) }, "last year", NULL },
 318 #endif
 319 };
 320
 321 static bool leap_year;
 322 /* days_in_month[][0] is for December */
 323 static const int days_in_month[2][13] = {
 324     {31, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
 325     {31, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
 326 };
 327
 328 static const char *dayname_long[7] = {"Mon","Tue","Wed","Thu","Fri","Sat","Sun"};
 329 static const char *dayname_short[7] = {"M","T","W","T","F","S","S"};
 330
 331 struct shown {
 332     int     mday;        /* day of the month */
 333     int     mon;         /* month */
 334     int     year;        /* year since 1900 */
 335     int     wday;        /* day of the week */
 336     int     firstday;    /* first (w)day of month */
 337     int     lastday;     /* last (w)day of month */
 338 };
 339
 340 static bool use_system_font = false;
 341
 342 static bool been_in_usb_mode = false;
 343
 344 /* leap year -- account for gregorian reformation in 1752 */
 345 static int is_leap_year(int yr)
 346 {
 347     return ((yr) <= 1752 ? !((yr) % 4) : \
 348         (!((yr) % 4) && ((yr) % 100)) || !((yr) % 400))  ? 1:0 ;
 349 }
 350
 351 /* searches the weekday of the first day in month,
 352  * relative to the given values */
 353 static int calc_weekday( struct shown *shown )
 354 {
 355     return ( shown->wday + 36 - shown->mday ) % 7 ;
 356 }
 357
 358 #if (CONFIG_RTC == 0)
 359 /* from timefunc.c */
 360 static void my_set_day_of_week(struct shown *shown)
 361 {
 362     int y = shown->year;
 363     int d = shown->mday;
 364     int m = shown->mon-1;
 365     static const char mo[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
 366
 367     if(m == 0 || m == 1) y--;
 368     shown->wday = (d + mo[m] + y + y/4 - y/100 + y/400) % 7 - 1;
 369 }
 370 #endif
 371
 372 static void calendar_init(struct shown *shown)
 373 {
 374     int w, h;
 375 #if CONFIG_RTC
 376     struct tm *tm;
 377 #endif
 378     rb->lcd_getstringsize("A", &w, &h);
 379     if ( ((w * 14) > LCD_WIDTH) || ((h * 7) > LCD_HEIGHT) )
 380     {
 381         use_system_font = true;
 382     }
 383 #if CONFIG_RTC
 384     tm = rb->get_time();
 385     shown->mday = tm->tm_mday;
 386     shown->mon = tm->tm_mon + 1;
 387     shown->year = 2000 + (tm->tm_year%100);
 388     shown->wday = tm->tm_wday - 1;
 389 #else
 390 #define S100(x) 1 ## x
 391 #define C2DIG2DEC(x) (S100(x)-100)
 392     if(info.last_mon == 0 || info.last_year == 0)
 393     {
 394         shown->mon = C2DIG2DEC(MONTH);
 395         shown->year = YEAR;
 396     }
 397     else
 398     {
 399         shown->mon = info.last_mon;
 400         shown->year = info.last_year;
 401     }
 402     shown->mday = 1;
 403     my_set_day_of_week(shown);
 404 #endif
 405     shown->firstday = calc_weekday(shown);
 406     leap_year = is_leap_year(shown->year);
 407 }
 408
 409 static void draw_headers(void)
 410 {
 411     int i, w, h;
 412     int x = X_OFFSET;
 413     int wday;
 414     const char **dayname = dayname_long;
 415
 416     for (i = 0; i < 7; i++)
 417     {
 418         rb->lcd_getstringsize(dayname[i], &w, &h);
 419         if (w > CELL_WIDTH)
 420         {
 421             dayname = dayname_short;
 422             break;
 423         }
 424     }
 425
 426     wday = info.first_wday;
 427     rb->lcd_getstringsize("A", &w, &h);
 428     for (i = 0; i < 7; i++)
 429     {
 430         if (wday >= 7) wday = 0;
 431         rb->lcd_putsxy(x, 0, dayname[wday++]);
 432         x += CELL_WIDTH;
 433     }
 434     rb->lcd_hline(0, LCD_WIDTH-1, h);
 435 }
 436
 437 static bool day_has_memo[32];
 438 static bool wday_has_memo[7];
 439 static void draw_calendar(struct shown *shown)
 440 {
 441     int w, h;
 442     int x, y, pos, days_per_month, j;
 443     int wday;
 444     char buffer[12];
 445     const char *monthname[] = {
 446         "Jan", "Feb", "Mar", "Apr", "May", "Jun",
 447         "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
 448     };
 449     if(use_system_font)
 450     {
 451         rb->lcd_setfont(FONT_SYSFIXED);
 452     }
 453     rb->lcd_getstringsize("A", &w, &h);
 454     rb->lcd_clear_display();
 455     draw_headers();
 456     wday = shown->firstday;
 457     pos = wday + 7 - info.first_wday;
 458     if (pos >= 7) pos -= 7;
 459
 460     days_per_month = days_in_month[leap_year][shown->mon];
 461     x = X_OFFSET + (pos * CELL_WIDTH);
 462     y = Y_OFFSET + h;
 463     for (j = 1; j <= days_per_month; j++)
 464     {
 465         if ( (day_has_memo[j]) || (wday_has_memo[wday]) )
 466             rb->snprintf(buffer, 4, "%02d.", j);
 467         else
 468             rb->snprintf(buffer, 4, "%02d", j);
 469         if (shown->mday == j)
 470         {
 471             rb->lcd_set_drawmode(DRMODE_SOLID);
 472             rb->lcd_fillrect(x, y - 1, CELL_WIDTH - 1, CELL_HEIGHT);
 473             rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 474             shown->wday = wday;
 475         }
 476         else
 477         {
 478             rb->lcd_set_drawmode(DRMODE_SOLID);
 479         }
 480         rb->lcd_putsxy(x, y, buffer);
 481         x += CELL_WIDTH;
 482         wday++;
 483         if (wday >= 7)
 484             wday = 0;
 485         pos++;
 486         if (pos >= 7)
 487         {
 488             pos = 0;
 489             x = X_OFFSET;
 490             y += CELL_HEIGHT;
 491         }
 492     }
 493     shown->lastday = wday;
 494     rb->lcd_set_drawmode(DRMODE_SOLID);
 495     rb->lcd_vline(LCD_WIDTH-w*8-10, LCD_HEIGHT-h-3, LCD_HEIGHT-1);
 496     rb->lcd_hline(LCD_WIDTH-w*8-10, LCD_WIDTH-1, LCD_HEIGHT-h-3);
 497     rb->snprintf(buffer, sizeof(buffer), "%s %04d",
 498                  monthname[shown->mon-1], shown->year);
 499     rb->lcd_putsxy(LCD_WIDTH-w*8-8, LCD_HEIGHT-h-1, buffer);
 500     rb->lcd_update();
 501 }
 502
 503 #define MAX_CHAR_MEMO_LEN 64
 504 #define MAX_MEMOS_IN_A_MONTH 128
 505 struct memo {
 506     char    message[MAX_CHAR_MEMO_LEN];
 507     int     day;
 508     int     month;
 509     int     file_pointer_start;
 510     int     file_pointer_end;
 511     int     year;
 512     int     wday;
 513     int     type;
 514 } memos[MAX_MEMOS_IN_A_MONTH];
 515 static int pointer_array[MAX_MEMOS_IN_A_MONTH];
 516 static int memos_in_memory = 0;
 517 static int memos_in_shown_memory = 0;
 518
 519 static void load_memo(struct shown *shown)
 520 {
 521     int k, fp;
 522     bool exit = false;
 523     char temp_memo1[2];
 524     char temp_memo2[3];
 525     char temp_memo4[5];
 526     temp_memo1[1] = 0;
 527     temp_memo2[2] = 0;
 528     temp_memo4[4] = 0;
 529     for (k = 1; k < 32; k++)
 530         day_has_memo[k] = false;
 531     for (k = 0; k < 7; k++)
 532         wday_has_memo[k] = false;
 533     memos_in_memory = 0;
 534     fp = rb->open(MEMO_FILE, O_RDONLY);
 535     if (fp > -1)
 536     {
 537         rb->lseek(fp, 0, SEEK_SET);
 538         while (!exit)
 539         {
 540             bool load_to_memory;
 541             struct memo *memo = &memos[memos_in_memory];
 542             rb->memset(memo, 0, sizeof(*memo));
 543             memo->file_pointer_start = rb->lseek(fp, 0, SEEK_CUR);
 544             if (rb->read(fp, temp_memo2, 2) == 2)
 545                 memo->day = rb->atoi(temp_memo2);
 546             if (rb->read(fp, temp_memo2, 2) == 2)
 547                 memo->month = rb->atoi(temp_memo2);
 548             if (rb->read(fp, temp_memo4, 4) == 4)
 549                 memo->year = rb->atoi(temp_memo4);
 550             if (rb->read(fp, temp_memo1, 1) == 1)
 551                 memo->wday = rb->atoi(temp_memo1);
 552             if (rb->read(fp, temp_memo1, 1) == 1)
 553                 memo->type = rb->atoi(temp_memo1);
 554             load_to_memory = ((memo->type < 2) ||
 555                               ((memo->type == 2) &&
 556                                   (memo->month == shown->mon)) ||
 557                               ((memo->type > 2) &&
 558                                   (memo->month == shown->mon) &&
 559                                   (memo->year == shown->year)));
 560             k = 0;
 561             while (1)
 562             {
 563                 if (rb->read(fp, temp_memo1, 1) != 1)
 564                 {
 565                     memo->day = 0;
 566                     memo->month = 0;
 567                     memo->file_pointer_start = 0;
 568                     memo->file_pointer_end = 0;
 569                     memo->year = 0;
 570                     memo->type = 0;
 571                     memo->wday = 0;
 572                     memo->message[0] = 0;
 573                     exit = true;
 574                     break;
 575                 }
 576                 if (load_to_memory)
 577                 {
 578                     if (temp_memo1[0] == '\n')
 579                     {
 580                         if (memo->type > 0)
 581                             day_has_memo[memo->day] = true;
 582                         else
 583                             wday_has_memo[memo->wday] = true;
 584                         memo->file_pointer_end = rb->lseek(fp, 0, SEEK_CUR);
 585                         memos_in_memory++;
 586                     }
 587                     else if ( (temp_memo1[0] != '\r') &&
 588                               (temp_memo1[0] != '\t') &&
 589                               k < MAX_CHAR_MEMO_LEN-1 )
 590                         memo->message[k++] = temp_memo1[0];
 591                 }
 592                 if (temp_memo1[0] == '\n')
 593                     break;
 594             }
 595         }
 596         rb->close(fp);
 597     }
 598 }
 599
 600 static bool save_memo(int changed, bool new_mod, struct shown *shown)
 601 {
 602     int fp, fq;
 603     /* use O_RDWR|O_CREAT so that file is created if it doesn't exist. */
 604     fp = rb->open(MEMO_FILE, O_RDWR|O_CREAT);
 605     fq = rb->creat(TEMP_FILE);
 606     if ( (fq > -1) && (fp > -1) )
 607     {
 608         int i;
 609         char temp[MAX_CHAR_MEMO_LEN];
 610         struct memo *memo = &memos[changed];
 611         rb->lseek(fp, 0, SEEK_SET);
 612         for (i = 0; i < memo->file_pointer_start; i++)
 613         {
 614             rb->read(fp, temp, 1);
 615             rb->write(fq, temp, 1);
 616         }
 617         if (new_mod)
 618         {
 619             rb->fdprintf(fq, "%02d%02d%04d%01d%01d%s\n",
 620                          memo->day, memo->month, memo->year, memo->wday,
 621                          memo->type, memo->message);
 622         }
 623         rb->lseek(fp, memo->file_pointer_end, SEEK_SET);
 624         while(rb->read(fp, temp, 1) == 1)
 625         {
 626             rb->write(fq, temp, 1);
 627         }
 628         rb->close(fp);
 629         rb->close(fq);
 630         rb->remove(MEMO_FILE);
 631         rb->rename(TEMP_FILE, MEMO_FILE);
 632         load_memo(shown);
 633         return true;
 634     }
 635     else if (fp > -1)
 636         rb->close(fp);
 637     else if (fq > -1)
 638         rb->close(fq);
 639     return false;
 640 }
 641
 642 static void add_memo(struct shown *shown, int type)
 643 {
 644     bool saved = false;
 645     struct memo *memo = &memos[memos_in_memory];
 646     if (rb->kbd_input(memo->message, MAX_CHAR_MEMO_LEN) == 0)
 647     {
 648         if (memo->message[0])
 649         {
 650             memo->file_pointer_start = 0;
 651             memo->file_pointer_end = 0;
 652             memo->day = shown->mday;
 653             memo->month = shown->mon;
 654             memo->wday = shown->wday;
 655             memo->year = shown->year;
 656             memo->type = type;
 657             if (save_memo(memos_in_memory, true, shown))
 658             {
 659                 saved = true;
 660             }
 661             else
 662             {
 663                 memo->file_pointer_start = 0;
 664                 memo->file_pointer_end = 0;
 665                 memo->day = 0;
 666                 memo->month = 0;
 667                 memo->year = 0;
 668                 memo->type = 0;
 669                 memo->wday = 0;
 670             }
 671         }
 672     }
 673     rb->lcd_clear_display();
 674     if (saved)
 675         rb->splash(HZ/2, "Event added");
 676     else
 677         rb->splash(HZ/2, "Event not added");
 678 }
 679
 680 static int edit_menu_cb(int action, const struct menu_item_ex *this_item)
 681 {
 682     int i = (intptr_t)this_item;
 683     if (action == ACTION_REQUEST_MENUITEM
 684         && memos_in_shown_memory <= 0 && (i==0 || i==1))
 685         return ACTION_EXIT_MENUITEM;
 686     return action;
 687 }
 688
 689 static bool edit_memo(int change, struct shown *shown)
 690 {
 691     bool exit = false;
 692     int selected = 0;
 693
 694     static const struct opt_items modes[7] = {
 695         { "Mon", -1 },
 696         { "Tue", -1 },
 697         { "Wed", -1 },
 698         { "Thu", -1 },
 699         { "Fri", -1 },
 700         { "Sat", -1 },
 701         { "Sun", -1 },
 702     };
 703
 704     MENUITEM_STRINGLIST(edit_menu, "Edit menu", edit_menu_cb,
 705                         "Remove", "Edit",
 706                         "New Weekly", "New Monthly",
 707                         "New Yearly", "New One off",
 708                         "First Day of Week",
 709                         "Playback Control");
 710
 711     while (!exit)
 712     {
 713         switch (rb->do_menu(&edit_menu, &selected, NULL, false))
 714         {
 715             case 0: /* remove */
 716                 save_memo(change, false, shown);
 717                 return false;
 718
 719             case 1: /* edit */
 720                 if(rb->kbd_input(memos[change].message,
 721                                  MAX_CHAR_MEMO_LEN)  == 0)
 722                     save_memo(change, true, shown);
 723                 return false;
 724
 725             case 2: /* weekly */
 726                 add_memo(shown, 0);
 727                 return false;
 728
 729             case 3: /* monthly */
 730                 add_memo(shown, 1);
 731                 return false;
 732
 733             case 4: /* yearly */
 734                 add_memo(shown, 2);
 735                 return false;
 736
 737             case 5: /* one off */
 738                 add_memo(shown, 3);
 739                 return false;
 740
 741             case 6: /* weekday */
 742                 rb->set_option("First Day of Week", &info.first_wday,
 743                                 INT, modes, 7, NULL);
 744                 break;
 745
 746             case 7: /* playback control */
 747                 playback_control(NULL);
 748                 break;
 749
 750             case GO_TO_PREVIOUS:
 751                 return false;
 752
 753             case MENU_ATTACHED_USB:
 754                 been_in_usb_mode = true;
 755                 break;
 756         }
 757     }
 758     return false;
 759 }
 760
 761 static const char* get_event_text(int selected, void *data,
 762                                   char *buffer, size_t buffer_len)
 763 {
 764     struct shown *shown = (struct shown *) data;
 765     struct memo *memo;
 766     if (selected < 0 || memos_in_shown_memory <= selected)
 767     {
 768         return NULL;
 769     }
 770     memo = &memos[pointer_array[selected]];
 771     if (memo->type == 2)
 772         rb->snprintf(buffer, buffer_len, "%s (%d yrs)",
 773                      memo->message, shown->year - memo->year);
 774     else
 775         rb->snprintf(buffer, buffer_len, "%s", memo->message);
 776     return buffer;
 777 }
 778
 779 static bool view_events(int selected, struct shown *shown)
 780 {
 781     struct gui_synclist gui_memos;
 782     bool exit=false;
 783     int button;
 784
 785     rb->gui_synclist_init(&gui_memos, &get_event_text, shown, false, 1, NULL);
 786     rb->gui_synclist_set_title(&gui_memos, "Events (play : menu)", NOICON);
 787     rb->gui_synclist_set_nb_items(&gui_memos, memos_in_shown_memory);
 788     rb->gui_synclist_select_item(&gui_memos, selected);
 789     rb->gui_synclist_draw(&gui_memos);
 790
 791     while (!exit)
 792     {
 793         button = rb->get_action(CONTEXT_LIST, TIMEOUT_BLOCK);
 794         rb->gui_synclist_do_button(&gui_memos, &button, LIST_WRAP_UNLESS_HELD);
 795
 796         switch (button)
 797         {
 798             case ACTION_STD_OK:
 799                 selected = rb->gui_synclist_get_sel_pos(&gui_memos);
 800                 return edit_memo(pointer_array[selected], shown);
 801                 break;
 802
 803             case ACTION_STD_CANCEL:
 804                 return false;
 805                 break;
 806
 807             default:
 808                 if(rb->default_event_handler(button) == SYS_USB_CONNECTED)
 809                     been_in_usb_mode = true;
 810                 break;
 811         }
 812     }
 813
 814     return false;
 815 }
 816
 817 static void update_memos_shown(struct shown *shown)
 818 {
 819     int i;
 820     struct memo *memo;
 821     memos_in_shown_memory = 0;
 822     for (i = 0; i < memos_in_memory; i++)
 823     {
 824         memo = &memos[i];
 825         if (((memo->type >= 1) && (memo->day == shown->mday)) ||
 826             ((memo->type < 1) && (memo->wday == shown->wday)))
 827             pointer_array[memos_in_shown_memory++] = i;
 828     }
 829 }
 830
 831 static bool any_events(struct shown *shown, bool force)
 832 {
 833     update_memos_shown(shown);
 834
 835     if (memos_in_shown_memory > 0)
 836         return view_events(0, shown);
 837     else if (force)
 838         return edit_memo(0, shown);
 839     else
 840         return false;
 841
 842     return false;
 843 }
 844
 845 static void next_month(struct shown *shown, int step)
 846 {
 847     shown->mon++;
 848     if (shown->mon > 12)
 849     {
 850         shown->mon = 1;
 851         shown->year++;
 852         leap_year = is_leap_year(shown->year);
 853     }
 854     if (step > 0)
 855         shown->mday = shown->mday - days_in_month[leap_year][shown->mon-1];
 856     else if (shown->mday > days_in_month[leap_year][shown->mon])
 857         shown->mday = days_in_month[leap_year][shown->mon];
 858     shown->firstday = shown->lastday;
 859     load_memo(shown);
 860     draw_calendar(shown);
 861 }
 862
 863 static void prev_month(struct shown *shown, int step)
 864 {
 865     shown->mon--;
 866     if (shown->mon < 1)
 867     {
 868         shown->mon = 12;
 869         shown->year--;
 870         leap_year = is_leap_year(shown->year);
 871     }
 872     if (step > 0)
 873         shown->mday = shown->mday + days_in_month[leap_year][shown->mon];
 874     else if (shown->mday > days_in_month[leap_year][shown->mon])
 875         shown->mday = days_in_month[leap_year][shown->mon];
 876     shown->firstday += 7 - (days_in_month[leap_year][shown->mon] % 7);
 877     if (shown->firstday >= 7)
 878         shown->firstday -= 7;
 879     load_memo(shown);
 880     draw_calendar(shown);
 881 }
 882
 883 static void next_day(struct shown *shown, int step)
 884 {
 885     shown->mday += step;
 886     if (shown->mday > days_in_month[leap_year][shown->mon])
 887         next_month(shown, step);
 888     else
 889         draw_calendar(shown);
 890 }
 891
 892 static void prev_day(struct shown *shown, int step)
 893 {
 894     shown->mday -= step;
 895     if (shown->mday < 1)
 896         prev_month(shown, step);
 897     else
 898         draw_calendar(shown);
 899 }
 900
 901 enum plugin_status plugin_start(const void* parameter)
 902 {
 903     struct shown shown;
 904     bool exit = false;
 905     int button;
 906
 907     (void)(parameter);
 908
 909     configfile_load(CFG_FILE, config, ARRAYLEN(config), 0);
 910     rb->memcpy(&old_info, &info, sizeof(struct info));
 911
 912     calendar_init(&shown);
 913     load_memo(&shown);
 914     any_events(&shown, false);
 915     draw_calendar(&shown);
 916
 917     while (!exit)
 918     {
 919         button = rb->button_get(true);
 920         switch (button)
 921         {
 922             case CALENDAR_QUIT:
 923                 exit = true;
 924                 break;
 925
 926             case CALENDAR_NEXT_MONTH:
 927             case CALENDAR_NEXT_MONTH | BUTTON_REPEAT:
 928                 next_month(&shown, 0);
 929                 break;
 930
 931             case CALENDAR_PREV_MONTH:
 932             case CALENDAR_PREV_MONTH | BUTTON_REPEAT:
 933                 prev_month(&shown, 0);
 934                 break;
 935
 936             case CALENDAR_NEXT_WEEK:
 937             case CALENDAR_NEXT_WEEK | BUTTON_REPEAT:
 938                 next_day(&shown, 7);
 939                 break;
 940
 941             case CALENDAR_PREV_WEEK:
 942             case CALENDAR_PREV_WEEK | BUTTON_REPEAT:
 943                 prev_day(&shown, 7);
 944                 break;
 945
 946             case CALENDAR_PREV_DAY:
 947             case CALENDAR_PREV_DAY | BUTTON_REPEAT:
 948                 prev_day(&shown, 1);
 949                 break;
 950
 951             case CALENDAR_NEXT_DAY:
 952             case CALENDAR_NEXT_DAY | BUTTON_REPEAT:
 953                 next_day(&shown, 1);
 954                 break;
 955
 956             case CALENDAR_SELECT:
 957                 any_events(&shown, true);
 958                 draw_calendar(&shown);
 959                 break;
 960
 961             default:
 962                 if(rb->default_event_handler(button) == SYS_USB_CONNECTED)
 963                     been_in_usb_mode = true;
 964                 draw_calendar(&shown);
 965                 break;
 966         }
 967     }
 968
 969
 970 #if (CONFIG_RTC == 0)
 971     info.last_mon = shown.mon;
 972     info.last_year = shown.year;
 973 #endif
 974     if (rb->memcmp(&old_info, &info, sizeof(struct info)))
 975         configfile_save(CFG_FILE, config, ARRAYLEN(config), 0);
 976     return been_in_usb_mode?PLUGIN_USB_CONNECTED:PLUGIN_OK;
 977 }