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rockbox/apps/plugins/calendar.c
Hardeep Sidhu a9fded1605 Huw Smith's fix for saving memo function. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3926 a1c6a512-1295-4272-9138-f99709370657
2003-08-08 01:50:51 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
* (based upon 1.1 by calpefrosch) updated by www.HuwSy.ukhackers.net
*
* Copyright (C) 2002
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
#ifdef HAVE_LCD_BITMAP
#include <timefuncs.h>
static struct plugin_api* rb;
static bool leap_year;
static int days_in_month[2][13] = {
{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
{0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
};
struct today {
int mday; /* day of the month */
int mon; /* month */
int year; /* year since 1900 */
int wday; /* day of the week */
};
struct shown {
int mday; /* day of the month */
int mon; /* month */
int year; /* year since 1900 */
int wday; /* day of the week */
int firstday; /* first (w)day of month */
int lastday; /* last (w)day of month */
};
/* leap year -- account for gregorian reformation in 1752 */
static int is_leap_year(int yr)
{
return ((yr) <= 1752 ? !((yr) % 4) : \
(!((yr) % 4) && ((yr) % 100)) || !((yr) % 400)) ? 1:0 ;
}
/* searches the weekday of the first day in month,
* relative to the given values */
static int calc_weekday( struct shown *shown )
{
return ( shown->wday + 36 - shown->mday ) % 7 ;
}
static void calendar_init(struct today *today, struct shown *shown)
{
int w,h;
#ifdef HAVE_RTC
struct tm *tm;
#endif
rb->lcd_getstringsize("A",&w,&h);
if ( ((w * 14) > LCD_WIDTH) || ((h * 7) > LCD_HEIGHT) )
rb->lcd_setfont(FONT_SYSFIXED);
rb->lcd_clear_display();
#ifdef HAVE_RTC
tm = rb->get_time();
today->mon = tm->tm_mon +1;
today->year = 2000+tm->tm_year%100;
today->wday = tm->tm_wday-1;
today->mday = tm->tm_mday;
#ifdef SIMULATOR
today->wday = 3;
today->mday = 13;
#endif
shown->mday = today->mday;
shown->mon = today->mon;
shown->year = today->year;
shown->wday = today->wday;
#endif
shown->firstday = calc_weekday(shown);
leap_year = is_leap_year(shown->year);
}
static int space = LCD_WIDTH / 7;
static void draw_headers(void)
{
int i,w,h;
char *Dayname[7] = {"M","T","W","T","F","S","S"};
int ws = 2;
rb->lcd_getstringsize("A",&w,&h);
for (i = 0; i < 8;)
{
rb->lcd_putsxy(ws, 0 , Dayname[i++]);
ws += space;
}
rb->lcd_drawline(0 ,h ,LCD_WIDTH ,h);
}
static bool day_has_memo[31];
static bool wday_has_memo[6];
static void draw_calendar(struct shown *shown)
{
int w,h;
int ws,row,pos,days_per_month,j;
char buffer[7];
char *Monthname[] = {
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec"
};
rb->lcd_getstringsize("A",&w,&h);
rb->lcd_clear_display();
draw_headers();
if (shown->firstday > 6)
shown->firstday -= 7;
row = 1;
pos = shown->firstday;
days_per_month = days_in_month[leap_year][shown->mon];
ws = 2 + (pos * space);
for (j = 0; j < days_per_month;)
{
if ( (day_has_memo[++j]) || (wday_has_memo[pos]) )
rb->snprintf(buffer,3,"%02d.", j);
else
rb->snprintf(buffer,3,"%02d", j);
rb->lcd_putsxy(ws, (row * h) + 5 ,buffer);
if (shown->mday == j)
{
rb->lcd_invertrect(ws, row*h+5, space, h);
shown->wday = pos;
}
ws += space;
pos++;
if (pos >= 7)
{
row++;
pos = 0;
ws = 2;
}
}
rb->lcd_drawline(60,LCD_HEIGHT-h-3,60,LCD_HEIGHT-1);
rb->lcd_drawline(60,LCD_HEIGHT-h-3,LCD_WIDTH-1,LCD_HEIGHT-h-3);
rb->snprintf(buffer,8,"%s %04d",Monthname[shown->mon-1],shown->year);
rb->lcd_putsxy(62,(LCD_HEIGHT-h-1),buffer);
shown->lastday = pos;
rb->lcd_update();
}
#define MAX_CHAR_MEMO_LEN 63
#define MAX_MEMOS_IN_A_MONTH 127
struct memo {
char message[MAX_CHAR_MEMO_LEN];
int day;
int month;
int file_pointer_start;
int file_pointer_end;
int year;
int wday;
int type;
} memos[MAX_MEMOS_IN_A_MONTH];
static int pointer_array[MAX_MEMOS_IN_A_MONTH];
static int memos_in_memory = 0;
static int memos_in_shown_memory = 0;
static void load_memo(struct shown *shown)
{
int i, k, fp;
bool exit = false;
char temp_memo0[0];
char temp_memo1[1];
char temp_memo3[3];
for (k = 0; k < memos_in_memory; k++)
{
memos[k].day = 0;
memos[k].month = 0;
memos[k].file_pointer_start = 0;
memos[k].file_pointer_end = 0;
memos[k].year = 0;
memos[k].type = 0;
memos[k].wday = 0;
for (i = 0; i <= MAX_CHAR_MEMO_LEN; i++)
rb->strcpy(&memos[k].message[i],"");
}
for (k = 1; k < 32; k++)
day_has_memo[k] = false;
for (k = 0; k < 7; k++)
wday_has_memo[k] = false;
memos_in_memory = 0;
fp = rb->open("/.rockbox/.memo",O_RDONLY);
if (fp > -1)
{
int count = rb->filesize(fp);
rb->lseek(fp, 0, SEEK_SET);
while (!exit)
{
memos[memos_in_memory].file_pointer_start = rb->lseek(fp, 0,
SEEK_CUR);
if (rb->read(fp, temp_memo1, 2) == 2)
memos[memos_in_memory].day = rb->atoi(&temp_memo1[0]);
else
memos[memos_in_memory].day = 0;
if (rb->read(fp, temp_memo1, 2) == 2)
memos[memos_in_memory].month = rb->atoi(&temp_memo1[0]);
else
memos[memos_in_memory].month = 0;
if (rb->read(fp, temp_memo3, 4) == 4)
memos[memos_in_memory].year = rb->atoi(&temp_memo3[0]);
else
memos[memos_in_memory].year = 0;
/* as the year returned is sometimes yearmonth, ie if yr should =
2003, and month = 06, then it returns 200306 */
if (memos[memos_in_memory].year > (shown->year * 10))
memos[memos_in_memory].year = (memos[memos_in_memory].year -
memos[memos_in_memory].month) /
100;
if (rb->read(fp, temp_memo0, 1) == 1)
memos[memos_in_memory].wday = rb->atoi(&temp_memo0[0]);
else
memos[memos_in_memory].wday = 0;
if (rb->read(fp, temp_memo0, 1) == 1)
memos[memos_in_memory].type = rb->atoi(&temp_memo0[0]);
else
memos[memos_in_memory].type = 0;
for (k = 0; k <= count; k++)
{
if (rb->read(fp, temp_memo0, 1) == 1)
{
if (
(memos[memos_in_memory].type < 2)
||
(
(memos[memos_in_memory].type == 2)
&&
(memos[memos_in_memory].month == shown->mon)
)
||
(
(memos[memos_in_memory].type > 2)
&&
(memos[memos_in_memory].month == shown->mon)
&&
(memos[memos_in_memory].year == shown->year)
)
)
{
if (temp_memo0[0] == '\n')
{
if (memos[memos_in_memory].type > 0)
day_has_memo[memos[memos_in_memory].day] =
true;
else
wday_has_memo[memos[memos_in_memory].wday] =
true;
memos[memos_in_memory++].file_pointer_end =
rb->lseek(fp, 0, SEEK_CUR);
}
else if ( (temp_memo0[0] != '\r') &&
(temp_memo0[0] != '\t') )
memos[memos_in_memory].message[k] = temp_memo0[0];
}
if (temp_memo0[0] == '\n')
break;
}
else
{
memos[memos_in_memory].day = 0;
memos[memos_in_memory].month = 0;
memos[memos_in_memory].file_pointer_start = 0;
memos[memos_in_memory].file_pointer_end = 0;
memos[memos_in_memory].year = 0;
memos[memos_in_memory].type = 0;
memos[memos_in_memory].wday = 0;
rb->strcpy(&memos[memos_in_memory].message[0], "");
exit = true;
break;
}
}
}
}
rb->close(fp);
}
static bool save_memo(int changed, bool new_mod, struct shown *shown)
{
int fp,fq;
fp = rb->open("/.rockbox/.memo",O_RDONLY | O_CREAT);
fq = rb->open("/.rockbox/~temp",O_RDWR | O_CREAT | O_TRUNC);
if ( (fq != -1) && (fp != -1) )
{
int i;
char temp[MAX_CHAR_MEMO_LEN + 1];
rb->lseek(fp, 0, SEEK_SET);
for (i = 0; i < memos[changed].file_pointer_start; i++)
{
rb->read(fp, temp, 1);
rb->write(fq,temp,1);
}
if (new_mod)
{
rb->snprintf(temp, 2, "%02d", memos[changed].day);
rb->write(fq,temp,2);
rb->snprintf(temp, 2, "%02d", memos[changed].month);
rb->write(fq,temp,2);
rb->snprintf(temp, 4, "%04d", memos[changed].year);
rb->write(fq,temp,4);
rb->snprintf(temp, 1, "%01d", memos[changed].wday);
rb->write(fq,temp,1);
rb->snprintf(temp, 1, "%01d", memos[changed].type);
rb->write(fq,temp,1);
rb->snprintf(temp, rb->strlen(memos[changed].message)+1,
"%s\n", memos[changed].message);
rb->write(fq,temp, rb->strlen(temp));
}
rb->lseek(fp, memos[changed].file_pointer_end, SEEK_SET);
for (i = memos[changed].file_pointer_end;
i < rb->filesize(fp); i++)
{
rb->read(fp, temp, 1);
rb->write(fq,temp,1);
}
rb->close(fp);
fp = rb->open("/.rockbox/.memo",O_WRONLY | O_CREAT | O_TRUNC);
rb->lseek(fp, 0, SEEK_SET);
rb->lseek(fq, 0, SEEK_SET);
for (i = 0; i < rb->filesize(fq); i++)
{
rb->read(fq, temp, 1);
rb->write(fp,temp,1);
}
rb->close(fp);
rb->close(fq);
rb->remove("/.rockbox/~temp");
load_memo(shown);
return true;
}
else if (fp != -1)
rb->close(fp);
else if (fq != -1)
rb->close(fq);
return false;
}
static void add_memo(struct shown *shown, int type)
{
bool saved = false;
if (rb->kbd_input(memos[memos_in_memory].message,
sizeof memos[memos_in_memory].message) != -1)
{
if (memos[memos_in_memory].message != "")
{
memos[memos_in_memory].file_pointer_start = 0;
memos[memos_in_memory].file_pointer_end = 0;
memos[memos_in_memory].day = shown->mday;
memos[memos_in_memory].month = shown->mon;
memos[memos_in_memory].wday = shown->wday;
memos[memos_in_memory].year = shown->year;
memos[memos_in_memory].type = type;
if (save_memo(memos_in_memory,true,shown))
{
saved = true;
memos_in_memory++;
}
else
{
memos[memos_in_memory].file_pointer_start = 0;
memos[memos_in_memory].file_pointer_end = 0;
memos[memos_in_memory].day = 0;
memos[memos_in_memory].month = 0;
memos[memos_in_memory].year = 0;
memos[memos_in_memory].type = 0;
memos[memos_in_memory].wday = 0;
}
}
}
rb->lcd_clear_display();
if (saved)
rb->lcd_puts(0,0,"Event added");
else
rb->lcd_puts(0,0,"Event not added");
rb->lcd_update();
rb->sleep(HZ/2);
}
static bool edit_memo(int change, struct shown *shown)
{
bool exit = false;
rb->lcd_clear_display();
if (memos_in_shown_memory > 0)
{
rb->lcd_puts(0,0,"Remove : Up");
rb->lcd_puts(0,1,"Edit : Down");
rb->lcd_puts(0,2,"New :");
rb->lcd_puts(6,3,"weekly : Left");
rb->lcd_puts(6,4,"monthly : Play");
rb->lcd_puts(6,5,"annually : Right");
rb->lcd_puts(6,6,"one off : On");
}
else
{
rb->lcd_puts(0,0,"New :");
rb->lcd_puts(6,1,"weekly : Left");
rb->lcd_puts(6,2,"monthly : Play");
rb->lcd_puts(6,3,"anualy : Right");
rb->lcd_puts(6,4,"one off : On");
}
rb->lcd_update();
while (!exit)
{
switch (rb->button_get(true))
{
case BUTTON_OFF:
return false;
case BUTTON_LEFT:
add_memo(shown,0);
return false;
case BUTTON_PLAY:
add_memo(shown,1);
return false;
case BUTTON_RIGHT:
add_memo(shown,2);
return false;
case BUTTON_ON:
add_memo(shown,3);
return false;
case BUTTON_DOWN:
if (memos_in_shown_memory > 0)
{
if(rb->kbd_input(memos[pointer_array[change]].message,
sizeof memos[pointer_array[change]].message) != -1)
save_memo(pointer_array[change],true,shown);
exit = true;
}
break;
case BUTTON_UP:
if (memos_in_shown_memory > 0)
{
save_memo(pointer_array[change],false,shown);
exit = true;
}
break;
case SYS_USB_CONNECTED:
return true;
}
}
return false;
}
static int start = 0;
static void show_lines(int selected, struct shown *shown)
{
int lines,j = 1,w,h,i,k = 0, pos = 1,m = 0;
char temp[MAX_CHAR_MEMO_LEN + 12];
rb->lcd_getstringsize("A",&w,&h);
lines = (LCD_HEIGHT / h) - 1;
rb->lcd_clear_display();
rb->lcd_puts(0,0,"Events (play : menu)");
while (selected >= (lines + start))
start++;
while (selected < start)
start--;
i = start;
while ( (i < memos_in_shown_memory) && (k < lines) )
{
if (memos[pointer_array[i]].type == 2)
rb->snprintf(temp, sizeof temp, "%s (%d yrs)",
memos[pointer_array[i]].message,
shown->year - memos[pointer_array[i]].year);
else
rb->snprintf(temp, sizeof temp, "%s",
memos[pointer_array[i]].message);
m = 0;
if (i == selected)
{
pos = k + 1;
rb->lcd_puts_scroll(m,j++,temp);
}
else
rb->lcd_puts(m,j++,temp);
k++;
i++;
}
rb->lcd_invertrect(0, (pos) * h, LCD_WIDTH, h);
}
static void update_memos_shown(struct shown *shown)
{
int i;
memos_in_shown_memory = 0;
start = 0;
for (i = 0; i < memos_in_memory; i++)
if (
(memos[i].day == shown->mday)
||
(
(memos[i].type < 1)
&&
(memos[i].wday == shown->wday)
)
)
pointer_array[memos_in_shown_memory++] = i;
}
static bool any_events(struct shown *shown, bool force)
{
int lines_displayed = 0;
bool exit=false;
update_memos_shown(shown);
if (memos_in_shown_memory > 0)
show_lines(lines_displayed,shown);
else if (force)
return edit_memo(lines_displayed, shown);
else
return false;
rb->lcd_update();
while (!exit)
{
switch (rb->button_get(true))
{
case BUTTON_DOWN:
if (memos_in_shown_memory > 0)
{
lines_displayed++;
if (lines_displayed >= memos_in_shown_memory)
lines_displayed = memos_in_shown_memory - 1;
show_lines(lines_displayed,shown);
rb->lcd_update();
}
break;
case BUTTON_UP:
if (memos_in_shown_memory > 0)
{
lines_displayed--;
if (lines_displayed < 0)
lines_displayed = 0;
show_lines(lines_displayed,shown);
rb->lcd_update();
}
break;
case BUTTON_PLAY:
return edit_memo(lines_displayed, shown);
case BUTTON_OFF:
return false;
case SYS_USB_CONNECTED:
return true;
}
}
return false;
}
static void next_month(struct shown *shown, int step)
{
shown->mon++;
if (shown->mon > 12)
{
shown->mon=1;
shown->year++;
leap_year = is_leap_year(shown->year);
}
else if (step > 0)
shown->mday = shown->mday - days_in_month[leap_year][shown->mon-1];
else if (shown->mday > days_in_month[leap_year][shown->mon])
shown->mday = days_in_month[leap_year][shown->mon];
shown->firstday = shown->lastday;
load_memo(shown);
draw_calendar(shown);
}
static void prev_month(struct shown *shown, int step)
{
shown->mon--;
if (shown->mon < 1)
{
shown->mon = 12;
shown->year--;
leap_year = is_leap_year(shown->year);
}
if (step > 0)
shown->mday = shown->mday + days_in_month[leap_year][shown->mon];
else if (shown->mday > days_in_month[leap_year][shown->mon])
shown->mday = days_in_month[leap_year][shown->mon];
shown->firstday += 7 - (days_in_month[leap_year][shown->mon] % 7);
load_memo(shown);
draw_calendar(shown);
}
static void next_day(struct shown *shown, int step)
{
shown->mday += step;
if (shown->mday > days_in_month[leap_year][shown->mon])
next_month(shown, step);
else
draw_calendar(shown);
}
static void prev_day(struct shown *shown, int step)
{
shown->mday -= step;
if (shown->mday < 1)
prev_month(shown, step);
else
draw_calendar(shown);
}
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
struct today today;
struct shown shown;
bool exit = false;
TEST_PLUGIN_API(api);
(void)(parameter);
rb = api;
calendar_init(&today, &shown);
load_memo(&shown);
any_events(&shown, false);
draw_calendar(&shown);
while (!exit)
{
switch (rb->button_get(true))
{
case BUTTON_OFF:
return false;
case BUTTON_ON | BUTTON_DOWN:
case BUTTON_ON | BUTTON_DOWN | BUTTON_REPEAT:
next_month(&shown, 0);
break;
case BUTTON_ON | BUTTON_UP:
case BUTTON_ON | BUTTON_UP | BUTTON_REPEAT:
prev_month(&shown, 0);
break;
case BUTTON_DOWN:
case BUTTON_DOWN | BUTTON_REPEAT:
next_day(&shown, 7);
break;
case BUTTON_UP:
case BUTTON_UP | BUTTON_REPEAT:
prev_day(&shown, 7);
break;
case BUTTON_LEFT:
case BUTTON_LEFT | BUTTON_REPEAT:
prev_day(&shown, 1);
break;
case BUTTON_RIGHT:
case BUTTON_RIGHT | BUTTON_REPEAT:
next_day(&shown, 1);
break;
case BUTTON_PLAY:
if (any_events(&shown, true))
rb->usb_screen();
draw_calendar(&shown);
break;
case SYS_USB_CONNECTED:
rb->usb_screen();
draw_calendar(&shown);
break;
}
}
return false;
}
#endif
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