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 #else
 252 #error "No keypad setting."
 253 #endif
 254
 255 #ifdef HAVE_TOUCHSCREEN
 256 #ifndef CALENDAR_QUIT
 257 #define CALENDAR_QUIT       BUTTON_MIDLEFT
 258 #endif
 259 #ifndef CALENDAR_SELECT
 260 #define CALENDAR_SELECT     BUTTON_CENTER
 261 #endif
 262 #ifndef CALENDAR_NEXT_DAY
 263 #define CALENDAR_NEXT_DAY   BUTTON_TOPLEFT
 264 #endif
 265 #ifndef CALENDAR_PREV_DAY
 266 #define CALENDAR_PREV_DAY   BUTTON_BOTTOMLEFT
 267 #endif
 268 #ifndef CALENDAR_NEXT_WEEK
 269 #define CALENDAR_NEXT_WEEK  BUTTON_TOPMIDDLE
 270 #endif
 271 #ifndef CALENDAR_PREV_WEEK
 272 #define CALENDAR_PREV_WEEK  BUTTON_BOTTOMMIDDLE
 273 #endif
 274 #ifndef CALENDAR_NEXT_MONTH
 275 #define CALENDAR_NEXT_MONTH BUTTON_TOPRIGHT
 276 #endif
 277 #ifndef CALENDAR_PREV_MONTH
 278 #define CALENDAR_PREV_MONTH BUTTON_BOTTOMRIGHT
 279 #endif
 280 #endif
 281
 282 #define MEMO_FILE PLUGIN_APPS_DIR "/.memo"
 283 #define TEMP_FILE PLUGIN_APPS_DIR "/~temp"
 284
 285 #define X_OFFSET ((LCD_WIDTH%7)/2)
 286 #if LCD_HEIGHT <= 80
 287 #define Y_OFFSET 1
 288 #else
 289 #define Y_OFFSET 4
 290 #endif
 291 #define CELL_WIDTH  (LCD_WIDTH / 7)
 292 #define CELL_HEIGHT (LCD_HEIGHT / 7)
 293
 294 #define CFG_FILE "calendar.cfg"
 295 struct info {
 296     int first_wday;
 297 #if (CONFIG_RTC == 0)
 298     int last_mon;
 299     int last_year;
 300 #endif
 301 };
 302 static struct info info = { .first_wday = 0 }, old_info;
 303 static struct configdata config[] = {
 304     { TYPE_INT, 0, 6, { .int_p = &(info.first_wday) }, "first wday", NULL },
 305 #if (CONFIG_RTC == 0)
 306     { TYPE_INT, 1, 12, { .int_p = &(info.last_mon) }, "last mon", NULL },
 307     { TYPE_INT, 1, 3000, { .int_p = &(info.last_year) }, "last year", NULL },
 308 #endif
 309 };
 310
 311 static bool leap_year;
 312 /* days_in_month[][0] is for December */
 313 static const int days_in_month[2][13] = {
 314     {31, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
 315     {31, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
 316 };
 317
 318 static const char *dayname_long[7] = {"Mon","Tue","Wed","Thu","Fri","Sat","Sun"};
 319 static const char *dayname_short[7] = {"M","T","W","T","F","S","S"};
 320
 321 struct shown {
 322     int     mday;        /* day of the month */
 323     int     mon;         /* month */
 324     int     year;        /* year since 1900 */
 325     int     wday;        /* day of the week */
 326     int     firstday;    /* first (w)day of month */
 327     int     lastday;     /* last (w)day of month */
 328 };
 329
 330 static bool use_system_font = false;
 331
 332 static bool been_in_usb_mode = false;
 333
 334 /* leap year -- account for gregorian reformation in 1752 */
 335 static int is_leap_year(int yr)
 336 {
 337     return ((yr) <= 1752 ? !((yr) % 4) : \
 338         (!((yr) % 4) && ((yr) % 100)) || !((yr) % 400))  ? 1:0 ;
 339 }
 340
 341 /* searches the weekday of the first day in month,
 342  * relative to the given values */
 343 static int calc_weekday( struct shown *shown )
 344 {
 345     return ( shown->wday + 36 - shown->mday ) % 7 ;
 346 }
 347
 348 #if (CONFIG_RTC == 0)
 349 /* from timefunc.c */
 350 static void my_set_day_of_week(struct shown *shown)
 351 {
 352     int y = shown->year;
 353     int d = shown->mday;
 354     int m = shown->mon-1;
 355     static const char mo[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
 356
 357     if(m == 0 || m == 1) y--;
 358     shown->wday = (d + mo[m] + y + y/4 - y/100 + y/400) % 7 - 1;
 359 }
 360 #endif
 361
 362 static void calendar_init(struct shown *shown)
 363 {
 364     int w, h;
 365 #if CONFIG_RTC
 366     struct tm *tm;
 367 #endif
 368     rb->lcd_getstringsize("A", &w, &h);
 369     if ( ((w * 14) > LCD_WIDTH) || ((h * 7) > LCD_HEIGHT) )
 370     {
 371         use_system_font = true;
 372     }
 373 #if CONFIG_RTC
 374     tm = rb->get_time();
 375     shown->mday = tm->tm_mday;
 376     shown->mon = tm->tm_mon + 1;
 377     shown->year = 2000 + (tm->tm_year%100);
 378     shown->wday = tm->tm_wday - 1;
 379 #else
 380 #define S100(x) 1 ## x
 381 #define C2DIG2DEC(x) (S100(x)-100)
 382     if(info.last_mon == 0 || info.last_year == 0)
 383     {
 384         shown->mon = C2DIG2DEC(MONTH);
 385         shown->year = YEAR;
 386     }
 387     else
 388     {
 389         shown->mon = info.last_mon;
 390         shown->year = info.last_year;
 391     }
 392     shown->mday = 1;
 393     my_set_day_of_week(shown);
 394 #endif
 395     shown->firstday = calc_weekday(shown);
 396     leap_year = is_leap_year(shown->year);
 397 }
 398
 399 static void draw_headers(void)
 400 {
 401     int i, w, h;
 402     int x = X_OFFSET;
 403     int wday;
 404     const char **dayname = dayname_long;
 405
 406     for (i = 0; i < 7; i++)
 407     {
 408         rb->lcd_getstringsize(dayname[i], &w, &h);
 409         if (w > CELL_WIDTH)
 410         {
 411             dayname = dayname_short;
 412             break;
 413         }
 414     }
 415
 416     wday = info.first_wday;
 417     rb->lcd_getstringsize("A", &w, &h);
 418     for (i = 0; i < 7; i++)
 419     {
 420         if (wday >= 7) wday = 0;
 421         rb->lcd_putsxy(x, 0, dayname[wday++]);
 422         x += CELL_WIDTH;
 423     }
 424     rb->lcd_hline(0, LCD_WIDTH-1, h);
 425 }
 426
 427 static bool day_has_memo[32];
 428 static bool wday_has_memo[7];
 429 static void draw_calendar(struct shown *shown)
 430 {
 431     int w, h;
 432     int x, y, pos, days_per_month, j;
 433     int wday;
 434     char buffer[12];
 435     const char *monthname[] = {
 436         "Jan", "Feb", "Mar", "Apr", "May", "Jun",
 437         "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
 438     };
 439     if(use_system_font)
 440     {
 441         rb->lcd_setfont(FONT_SYSFIXED);
 442     }
 443     rb->lcd_getstringsize("A", &w, &h);
 444     rb->lcd_clear_display();
 445     draw_headers();
 446     wday = shown->firstday;
 447     pos = wday + 7 - info.first_wday;
 448     if (pos >= 7) pos -= 7;
 449
 450     days_per_month = days_in_month[leap_year][shown->mon];
 451     x = X_OFFSET + (pos * CELL_WIDTH);
 452     y = Y_OFFSET + h;
 453     for (j = 1; j <= days_per_month; j++)
 454     {
 455         if ( (day_has_memo[j]) || (wday_has_memo[wday]) )
 456             rb->snprintf(buffer, 4, "%02d.", j);
 457         else
 458             rb->snprintf(buffer, 4, "%02d", j);
 459         if (shown->mday == j)
 460         {
 461             rb->lcd_set_drawmode(DRMODE_SOLID);
 462             rb->lcd_fillrect(x, y - 1, CELL_WIDTH - 1, CELL_HEIGHT);
 463             rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 464             shown->wday = wday;
 465         }
 466         else
 467         {
 468             rb->lcd_set_drawmode(DRMODE_SOLID);
 469         }
 470         rb->lcd_putsxy(x, y, buffer);
 471         x += CELL_WIDTH;
 472         wday++;
 473         if (wday >= 7)
 474             wday = 0;
 475         pos++;
 476         if (pos >= 7)
 477         {
 478             pos = 0;
 479             x = X_OFFSET;
 480             y += CELL_HEIGHT;
 481         }
 482     }
 483     shown->lastday = wday;
 484     rb->lcd_set_drawmode(DRMODE_SOLID);
 485     rb->lcd_vline(LCD_WIDTH-w*8-10, LCD_HEIGHT-h-3, LCD_HEIGHT-1);
 486     rb->lcd_hline(LCD_WIDTH-w*8-10, LCD_WIDTH-1, LCD_HEIGHT-h-3);
 487     rb->snprintf(buffer, sizeof(buffer), "%s %04d",
 488                  monthname[shown->mon-1], shown->year);
 489     rb->lcd_putsxy(LCD_WIDTH-w*8-8, LCD_HEIGHT-h-1, buffer);
 490     rb->lcd_update();
 491 }
 492
 493 #define MAX_CHAR_MEMO_LEN 64
 494 #define MAX_MEMOS_IN_A_MONTH 128
 495 struct memo {
 496     char    message[MAX_CHAR_MEMO_LEN];
 497     int     day;
 498     int     month;
 499     int     file_pointer_start;
 500     int     file_pointer_end;
 501     int     year;
 502     int     wday;
 503     int     type;
 504 } memos[MAX_MEMOS_IN_A_MONTH];
 505 static int pointer_array[MAX_MEMOS_IN_A_MONTH];
 506 static int memos_in_memory = 0;
 507 static int memos_in_shown_memory = 0;
 508
 509 static void load_memo(struct shown *shown)
 510 {
 511     int k, fp;
 512     bool exit = false;
 513     char temp_memo1[2];
 514     char temp_memo2[3];
 515     char temp_memo4[5];
 516     temp_memo1[1] = 0;
 517     temp_memo2[2] = 0;
 518     temp_memo4[4] = 0;
 519     for (k = 1; k < 32; k++)
 520         day_has_memo[k] = false;
 521     for (k = 0; k < 7; k++)
 522         wday_has_memo[k] = false;
 523     memos_in_memory = 0;
 524     fp = rb->open(MEMO_FILE, O_RDONLY);
 525     if (fp > -1)
 526     {
 527         rb->lseek(fp, 0, SEEK_SET);
 528         while (!exit)
 529         {
 530             bool load_to_memory;
 531             struct memo *memo = &memos[memos_in_memory];
 532             rb->memset(memo, 0, sizeof(*memo));
 533             memo->file_pointer_start = rb->lseek(fp, 0, SEEK_CUR);
 534             if (rb->read(fp, temp_memo2, 2) == 2)
 535                 memo->day = rb->atoi(temp_memo2);
 536             if (rb->read(fp, temp_memo2, 2) == 2)
 537                 memo->month = rb->atoi(temp_memo2);
 538             if (rb->read(fp, temp_memo4, 4) == 4)
 539                 memo->year = rb->atoi(temp_memo4);
 540             if (rb->read(fp, temp_memo1, 1) == 1)
 541                 memo->wday = rb->atoi(temp_memo1);
 542             if (rb->read(fp, temp_memo1, 1) == 1)
 543                 memo->type = rb->atoi(temp_memo1);
 544             load_to_memory = ((memo->type < 2) ||
 545                               ((memo->type == 2) &&
 546                                   (memo->month == shown->mon)) ||
 547                               ((memo->type > 2) &&
 548                                   (memo->month == shown->mon) &&
 549                                   (memo->year == shown->year)));
 550             k = 0;
 551             while (1)
 552             {
 553                 if (rb->read(fp, temp_memo1, 1) != 1)
 554                 {
 555                     memo->day = 0;
 556                     memo->month = 0;
 557                     memo->file_pointer_start = 0;
 558                     memo->file_pointer_end = 0;
 559                     memo->year = 0;
 560                     memo->type = 0;
 561                     memo->wday = 0;
 562                     memo->message[0] = 0;
 563                     exit = true;
 564                     break;
 565                 }
 566                 if (load_to_memory)
 567                 {
 568                     if (temp_memo1[0] == '\n')
 569                     {
 570                         if (memo->type > 0)
 571                             day_has_memo[memo->day] = true;
 572                         else
 573                             wday_has_memo[memo->wday] = true;
 574                         memo->file_pointer_end = rb->lseek(fp, 0, SEEK_CUR);
 575                         memos_in_memory++;
 576                     }
 577                     else if ( (temp_memo1[0] != '\r') &&
 578                               (temp_memo1[0] != '\t') &&
 579                               k < MAX_CHAR_MEMO_LEN-1 )
 580                         memo->message[k++] = temp_memo1[0];
 581                 }
 582                 if (temp_memo1[0] == '\n')
 583                     break;
 584             }
 585         }
 586         rb->close(fp);
 587     }
 588 }
 589
 590 static bool save_memo(int changed, bool new_mod, struct shown *shown)
 591 {
 592     int fp, fq;
 593     /* use O_RDWR|O_CREAT so that file is created if it doesn't exist. */
 594     fp = rb->open(MEMO_FILE, O_RDWR|O_CREAT);
 595     fq = rb->creat(TEMP_FILE);
 596     if ( (fq > -1) && (fp > -1) )
 597     {
 598         int i;
 599         char temp[MAX_CHAR_MEMO_LEN];
 600         struct memo *memo = &memos[changed];
 601         rb->lseek(fp, 0, SEEK_SET);
 602         for (i = 0; i < memo->file_pointer_start; i++)
 603         {
 604             rb->read(fp, temp, 1);
 605             rb->write(fq, temp, 1);
 606         }
 607         if (new_mod)
 608         {
 609             rb->fdprintf(fq, "%02d%02d%04d%01d%01d%s\n",
 610                          memo->day, memo->month, memo->year, memo->wday,
 611                          memo->type, memo->message);
 612         }
 613         rb->lseek(fp, memo->file_pointer_end, SEEK_SET);
 614         while(rb->read(fp, temp, 1) == 1)
 615         {
 616             rb->write(fq, temp, 1);
 617         }
 618         rb->close(fp);
 619         rb->close(fq);
 620         rb->remove(MEMO_FILE);
 621         rb->rename(TEMP_FILE, MEMO_FILE);
 622         load_memo(shown);
 623         return true;
 624     }
 625     else if (fp > -1)
 626         rb->close(fp);
 627     else if (fq > -1)
 628         rb->close(fq);
 629     return false;
 630 }
 631
 632 static void add_memo(struct shown *shown, int type)
 633 {
 634     bool saved = false;
 635     struct memo *memo = &memos[memos_in_memory];
 636     if (rb->kbd_input(memo->message, MAX_CHAR_MEMO_LEN) == 0)
 637     {
 638         if (memo->message[0])
 639         {
 640             memo->file_pointer_start = 0;
 641             memo->file_pointer_end = 0;
 642             memo->day = shown->mday;
 643             memo->month = shown->mon;
 644             memo->wday = shown->wday;
 645             memo->year = shown->year;
 646             memo->type = type;
 647             if (save_memo(memos_in_memory, true, shown))
 648             {
 649                 saved = true;
 650             }
 651             else
 652             {
 653                 memo->file_pointer_start = 0;
 654                 memo->file_pointer_end = 0;
 655                 memo->day = 0;
 656                 memo->month = 0;
 657                 memo->year = 0;
 658                 memo->type = 0;
 659                 memo->wday = 0;
 660             }
 661         }
 662     }
 663     rb->lcd_clear_display();
 664     if (saved)
 665         rb->splash(HZ/2, "Event added");
 666     else
 667         rb->splash(HZ/2, "Event not added");
 668 }
 669
 670 static int edit_menu_cb(int action, const struct menu_item_ex *this_item)
 671 {
 672     int i = (intptr_t)this_item;
 673     if (action == ACTION_REQUEST_MENUITEM
 674         && memos_in_shown_memory <= 0 && (i==0 || i==1))
 675         return ACTION_EXIT_MENUITEM;
 676     return action;
 677 }
 678
 679 static bool edit_memo(int change, struct shown *shown)
 680 {
 681     bool exit = false;
 682     int selected = 0;
 683
 684     static const struct opt_items modes[7] = {
 685         { "Mon", -1 },
 686         { "Tue", -1 },
 687         { "Wed", -1 },
 688         { "Thu", -1 },
 689         { "Fri", -1 },
 690         { "Sat", -1 },
 691         { "Sun", -1 },
 692     };
 693
 694     MENUITEM_STRINGLIST(edit_menu, "Edit menu", edit_menu_cb,
 695                         "Remove", "Edit",
 696                         "New Weekly", "New Monthly",
 697                         "New Yearly", "New One off",
 698                         "First Day of Week",
 699                         "Playback Control");
 700
 701     while (!exit)
 702     {
 703         switch (rb->do_menu(&edit_menu, &selected, NULL, false))
 704         {
 705             case 0: /* remove */
 706                 save_memo(change, false, shown);
 707                 return false;
 708
 709             case 1: /* edit */
 710                 if(rb->kbd_input(memos[change].message,
 711                                  MAX_CHAR_MEMO_LEN)  == 0)
 712                     save_memo(change, true, shown);
 713                 return false;
 714
 715             case 2: /* weekly */
 716                 add_memo(shown, 0);
 717                 return false;
 718
 719             case 3: /* monthly */
 720                 add_memo(shown, 1);
 721                 return false;
 722
 723             case 4: /* yearly */
 724                 add_memo(shown, 2);
 725                 return false;
 726
 727             case 5: /* one off */
 728                 add_memo(shown, 3);
 729                 return false;
 730
 731             case 6: /* weekday */
 732                 rb->set_option("First Day of Week", &info.first_wday,
 733                                 INT, modes, 7, NULL);
 734                 break;
 735
 736             case 7: /* playback control */
 737                 playback_control(NULL);
 738                 break;
 739
 740             case GO_TO_PREVIOUS:
 741                 return false;
 742
 743             case MENU_ATTACHED_USB:
 744                 been_in_usb_mode = true;
 745                 break;
 746         }
 747     }
 748     return false;
 749 }
 750
 751 static const char* get_event_text(int selected, void *data,
 752                                   char *buffer, size_t buffer_len)
 753 {
 754     struct shown *shown = (struct shown *) data;
 755     struct memo *memo;
 756     if (selected < 0 || memos_in_shown_memory <= selected)
 757     {
 758         return NULL;
 759     }
 760     memo = &memos[pointer_array[selected]];
 761     if (memo->type == 2)
 762         rb->snprintf(buffer, buffer_len, "%s (%d yrs)",
 763                      memo->message, shown->year - memo->year);
 764     else
 765         rb->snprintf(buffer, buffer_len, "%s", memo->message);
 766     return buffer;
 767 }
 768
 769 static bool view_events(int selected, struct shown *shown)
 770 {
 771     struct gui_synclist gui_memos;
 772     bool exit=false;
 773     int button;
 774
 775     rb->gui_synclist_init(&gui_memos, &get_event_text, shown, false, 1, NULL);
 776     rb->gui_synclist_set_title(&gui_memos, "Events (play : menu)", NOICON);
 777     rb->gui_synclist_set_nb_items(&gui_memos, memos_in_shown_memory);
 778     rb->gui_synclist_select_item(&gui_memos, selected);
 779     rb->gui_synclist_draw(&gui_memos);
 780
 781     while (!exit)
 782     {
 783         button = rb->get_action(CONTEXT_LIST, TIMEOUT_BLOCK);
 784         rb->gui_synclist_do_button(&gui_memos, &button, LIST_WRAP_UNLESS_HELD);
 785
 786         switch (button)
 787         {
 788             case ACTION_STD_OK:
 789                 selected = rb->gui_synclist_get_sel_pos(&gui_memos);
 790                 return edit_memo(pointer_array[selected], shown);
 791                 break;
 792
 793             case ACTION_STD_CANCEL:
 794                 return false;
 795                 break;
 796
 797             default:
 798                 if(rb->default_event_handler(button) == SYS_USB_CONNECTED)
 799                     been_in_usb_mode = true;
 800                 break;
 801         }
 802     }
 803
 804     return false;
 805 }
 806
 807 static void update_memos_shown(struct shown *shown)
 808 {
 809     int i;
 810     struct memo *memo;
 811     memos_in_shown_memory = 0;
 812     for (i = 0; i < memos_in_memory; i++)
 813     {
 814         memo = &memos[i];
 815         if (((memo->type >= 1) && (memo->day == shown->mday)) ||
 816             ((memo->type < 1) && (memo->wday == shown->wday)))
 817             pointer_array[memos_in_shown_memory++] = i;
 818     }
 819 }
 820
 821 static bool any_events(struct shown *shown, bool force)
 822 {
 823     update_memos_shown(shown);
 824
 825     if (memos_in_shown_memory > 0)
 826         return view_events(0, shown);
 827     else if (force)
 828         return edit_memo(0, shown);
 829     else
 830         return false;
 831
 832     return false;
 833 }
 834
 835 static void next_month(struct shown *shown, int step)
 836 {
 837     shown->mon++;
 838     if (shown->mon > 12)
 839     {
 840         shown->mon = 1;
 841         shown->year++;
 842         leap_year = is_leap_year(shown->year);
 843     }
 844     if (step > 0)
 845         shown->mday = shown->mday - days_in_month[leap_year][shown->mon-1];
 846     else if (shown->mday > days_in_month[leap_year][shown->mon])
 847         shown->mday = days_in_month[leap_year][shown->mon];
 848     shown->firstday = shown->lastday;
 849     load_memo(shown);
 850     draw_calendar(shown);
 851 }
 852
 853 static void prev_month(struct shown *shown, int step)
 854 {
 855     shown->mon--;
 856     if (shown->mon < 1)
 857     {
 858         shown->mon = 12;
 859         shown->year--;
 860         leap_year = is_leap_year(shown->year);
 861     }
 862     if (step > 0)
 863         shown->mday = shown->mday + days_in_month[leap_year][shown->mon];
 864     else if (shown->mday > days_in_month[leap_year][shown->mon])
 865         shown->mday = days_in_month[leap_year][shown->mon];
 866     shown->firstday += 7 - (days_in_month[leap_year][shown->mon] % 7);
 867     if (shown->firstday >= 7)
 868         shown->firstday -= 7;
 869     load_memo(shown);
 870     draw_calendar(shown);
 871 }
 872
 873 static void next_day(struct shown *shown, int step)
 874 {
 875     shown->mday += step;
 876     if (shown->mday > days_in_month[leap_year][shown->mon])
 877         next_month(shown, step);
 878     else
 879         draw_calendar(shown);
 880 }
 881
 882 static void prev_day(struct shown *shown, int step)
 883 {
 884     shown->mday -= step;
 885     if (shown->mday < 1)
 886         prev_month(shown, step);
 887     else
 888         draw_calendar(shown);
 889 }
 890
 891 enum plugin_status plugin_start(const void* parameter)
 892 {
 893     struct shown shown;
 894     bool exit = false;
 895     int button;
 896
 897     (void)(parameter);
 898
 899     configfile_load(CFG_FILE, config, ARRAYLEN(config), 0);
 900     rb->memcpy(&old_info, &info, sizeof(struct info));
 901
 902     calendar_init(&shown);
 903     load_memo(&shown);
 904     any_events(&shown, false);
 905     draw_calendar(&shown);
 906
 907     while (!exit)
 908     {
 909         button = rb->button_get(true);
 910         switch (button)
 911         {
 912             case CALENDAR_QUIT:
 913                 exit = true;
 914                 break;
 915
 916             case CALENDAR_NEXT_MONTH:
 917             case CALENDAR_NEXT_MONTH | BUTTON_REPEAT:
 918                 next_month(&shown, 0);
 919                 break;
 920
 921             case CALENDAR_PREV_MONTH:
 922             case CALENDAR_PREV_MONTH | BUTTON_REPEAT:
 923                 prev_month(&shown, 0);
 924                 break;
 925
 926             case CALENDAR_NEXT_WEEK:
 927             case CALENDAR_NEXT_WEEK | BUTTON_REPEAT:
 928                 next_day(&shown, 7);
 929                 break;
 930
 931             case CALENDAR_PREV_WEEK:
 932             case CALENDAR_PREV_WEEK | BUTTON_REPEAT:
 933                 prev_day(&shown, 7);
 934                 break;
 935
 936             case CALENDAR_PREV_DAY:
 937             case CALENDAR_PREV_DAY | BUTTON_REPEAT:
 938                 prev_day(&shown, 1);
 939                 break;
 940
 941             case CALENDAR_NEXT_DAY:
 942             case CALENDAR_NEXT_DAY | BUTTON_REPEAT:
 943                 next_day(&shown, 1);
 944                 break;
 945
 946             case CALENDAR_SELECT:
 947                 any_events(&shown, true);
 948                 draw_calendar(&shown);
 949                 break;
 950
 951             default:
 952                 if(rb->default_event_handler(button) == SYS_USB_CONNECTED)
 953                     been_in_usb_mode = true;
 954                 draw_calendar(&shown);
 955                 break;
 956         }
 957     }
 958
 959
 960 #if (CONFIG_RTC == 0)
 961     info.last_mon = shown.mon;
 962     info.last_year = shown.year;
 963 #endif
 964     if (rb->memcmp(&old_info, &info, sizeof(struct info)))
 965         configfile_save(CFG_FILE, config, ARRAYLEN(config), 0);
 966     return been_in_usb_mode?PLUGIN_USB_CONNECTED:PLUGIN_OK;
 967 }