diff options
Diffstat (limited to 'src/calendar.c')
| -rw-r--r-- | src/calendar.c | 849 |
1 files changed, 392 insertions, 457 deletions
diff --git a/src/calendar.c b/src/calendar.c index e303ab9..7328718 100644 --- a/src/calendar.c +++ b/src/calendar.c @@ -1,7 +1,7 @@ /* * Calcurse - text-based organizer * - * Copyright (c) 2004-2011 calcurse Development Team <misc@calcurse.org> + * Copyright (c) 2004-2012 calcurse Development Team <misc@calcurse.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,12 +48,12 @@ #endif #define EPOCH 90 -#define EPSILONg 279.403303 /* solar ecliptic long at EPOCH */ -#define RHOg 282.768422 /* solar ecliptic long of perigee at EPOCH */ -#define ECCEN 0.016713 /* solar orbit eccentricity */ -#define lzero 318.351648 /* lunar mean long at EPOCH */ -#define Pzero 36.340410 /* lunar mean long of perigee at EPOCH */ -#define Nzero 318.510107 /* lunar mean long of node at EPOCH */ +#define EPSILONg 279.403303 /* solar ecliptic long at EPOCH */ +#define RHOg 282.768422 /* solar ecliptic long of perigee at EPOCH */ +#define ECCEN 0.016713 /* solar orbit eccentricity */ +#define lzero 318.351648 /* lunar mean long at EPOCH */ +#define Pzero 36.340410 /* lunar mean long of perigee at EPOCH */ +#define Nzero 318.510107 /* lunar mean long of node at EPOCH */ #define ISLEAP(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) @@ -77,208 +77,184 @@ static unsigned calendar_view, week_begins_on_monday; static pthread_mutex_t date_thread_mutex = PTHREAD_MUTEX_INITIALIZER; static pthread_t calendar_t_date; -static void draw_monthly_view (struct window *, struct date *, unsigned); -static void draw_weekly_view (struct window *, struct date *, unsigned); +static void draw_monthly_view(struct window *, struct date *, unsigned); +static void draw_weekly_view(struct window *, struct date *, unsigned); static void (*draw_calendar[CAL_VIEWS]) (struct window *, struct date *, - unsigned) = - {draw_monthly_view, draw_weekly_view}; + unsigned) = { +draw_monthly_view, draw_weekly_view}; /* Switch between calendar views (monthly view is selected by default). */ -void -calendar_view_next (void) +void calendar_view_next(void) { calendar_view++; if (calendar_view == CAL_VIEWS) calendar_view = 0; } -void -calendar_view_prev (void) +void calendar_view_prev(void) { if (calendar_view == 0) calendar_view = CAL_VIEWS; calendar_view--; } -void -calendar_set_view (int view) +void calendar_set_view(int view) { calendar_view = (view < 0 || view >= CAL_VIEWS) ? CAL_MONTH_VIEW : view; } -int -calendar_get_view (void) +int calendar_get_view(void) { return (int)calendar_view; } /* Thread needed to update current date in calendar. */ /* ARGSUSED0 */ -static void * -calendar_date_thread (void *arg) +static void *calendar_date_thread(void *arg) { time_t actual, tomorrow; - for (;;) - { - tomorrow = (time_t) (get_today () + DAYINSEC); + for (;;) { + tomorrow = (time_t) (get_today() + DAYINSEC); - while ((actual = time (NULL)) < tomorrow) - (void)sleep (tomorrow - actual); + while ((actual = time(NULL)) < tomorrow) + sleep(tomorrow - actual); - calendar_set_current_date (); - calendar_update_panel (&win[CAL]); - } + calendar_set_current_date(); + calendar_update_panel(&win[CAL]); + } - return (void *)0; + return NULL; } /* Launch the calendar date thread. */ -void -calendar_start_date_thread (void) +void calendar_start_date_thread(void) { - pthread_create (&calendar_t_date, NULL, calendar_date_thread, NULL); + pthread_create(&calendar_t_date, NULL, calendar_date_thread, NULL); } /* Stop the calendar date thread. */ -void -calendar_stop_date_thread (void) +void calendar_stop_date_thread(void) { - if (calendar_t_date) - { - pthread_cancel (calendar_t_date); - pthread_join (calendar_t_date, NULL); - } + if (calendar_t_date) { + pthread_cancel(calendar_t_date); + pthread_join(calendar_t_date, NULL); + } } /* Set static variable today to current date */ -void -calendar_set_current_date (void) +void calendar_set_current_date(void) { time_t timer; struct tm *tm; - timer = time (NULL); - tm = localtime (&timer); + timer = time(NULL); + tm = localtime(&timer); - pthread_mutex_lock (&date_thread_mutex); + pthread_mutex_lock(&date_thread_mutex); today.dd = tm->tm_mday; today.mm = tm->tm_mon + 1; today.yyyy = tm->tm_year + 1900; - pthread_mutex_unlock (&date_thread_mutex); + pthread_mutex_unlock(&date_thread_mutex); } /* Needed to display sunday or monday as the first day of week in calendar. */ -void -calendar_set_first_day_of_week (enum wday first_day) -{ - switch (first_day) - { - case SUNDAY: - week_begins_on_monday = 0; - break; - case MONDAY: - week_begins_on_monday = 1; - break; - default: - ERROR_MSG (_("ERROR setting first day of week")); - week_begins_on_monday = 0; - /* NOTREACHED */ - } +void calendar_set_first_day_of_week(enum wday first_day) +{ + switch (first_day) { + case SUNDAY: + week_begins_on_monday = 0; + break; + case MONDAY: + week_begins_on_monday = 1; + break; + default: + ERROR_MSG(_("ERROR setting first day of week")); + week_begins_on_monday = 0; + /* NOTREACHED */ + } } /* Swap first day of week in calendar. */ -void -calendar_change_first_day_of_week (void) +void calendar_change_first_day_of_week(void) { week_begins_on_monday = !week_begins_on_monday; } /* Return 1 if week begins on monday, 0 otherwise. */ -unsigned -calendar_week_begins_on_monday (void) +unsigned calendar_week_begins_on_monday(void) { - return (week_begins_on_monday); + return week_begins_on_monday; } /* Fill in the given variable with the current date. */ -void -calendar_store_current_date (struct date *date) +void calendar_store_current_date(struct date *date) { - pthread_mutex_lock (&date_thread_mutex); + pthread_mutex_lock(&date_thread_mutex); *date = today; - pthread_mutex_unlock (&date_thread_mutex); + pthread_mutex_unlock(&date_thread_mutex); } /* This is to start at the current date in calendar. */ -void -calendar_init_slctd_day (void) +void calendar_init_slctd_day(void) { - calendar_store_current_date (&slctd_day); + calendar_store_current_date(&slctd_day); } /* Return the selected day in calendar */ -struct date * -calendar_get_slctd_day (void) +struct date *calendar_get_slctd_day(void) { - return (&slctd_day); + return &slctd_day; } /* Returned value represents the selected day in calendar (in seconds) */ -long -calendar_get_slctd_day_sec (void) +long calendar_get_slctd_day_sec(void) { - return (date2sec (slctd_day, 0, 0)); + return date2sec(slctd_day, 0, 0); } -static int -calendar_get_wday (struct date *date) +static int calendar_get_wday(struct date *date) { struct tm t; - (void)memset (&t, 0, sizeof (struct tm)); + memset(&t, 0, sizeof(struct tm)); t.tm_mday = date->dd; t.tm_mon = date->mm - 1; t.tm_year = date->yyyy - 1900; - (void)mktime (&t); + mktime(&t); return t.tm_wday; } -static unsigned -months_to_days (unsigned month) +static unsigned months_to_days(unsigned month) { - return ((month * 3057 - 3007) / 100); + return (month * 3057 - 3007) / 100; } - -static long -years_to_days (unsigned year) +static long years_to_days(unsigned year) { - return (year * 365L + year / 4 - year / 100 + year / 400); + return year * 365L + year / 4 - year / 100 + year / 400; } -static long -ymd_to_scalar (unsigned year, unsigned month, unsigned day) +static long ymd_to_scalar(unsigned year, unsigned month, unsigned day) { long scalar; - scalar = day + months_to_days (month); + scalar = day + months_to_days(month); if (month > 2) - scalar -= ISLEAP (year) ? 1 : 2; + scalar -= ISLEAP(year) ? 1 : 2; year--; - scalar += years_to_days (year); + scalar += years_to_days(year); - return (scalar); + return scalar; } /* * Used to change date by adding a certain amount of days or weeks. * Returns 0 on success, 1 otherwise. */ -static int -date_change (struct tm *date, int delta_month, int delta_day) +static int date_change(struct tm *date, int delta_month, int delta_day) { struct tm t; @@ -286,19 +262,18 @@ date_change (struct tm *date, int delta_month, int delta_day) t.tm_mon += delta_month; t.tm_mday += delta_day; - if (mktime (&t) == -1) - return (1); - else - { - *date = t; - return (0); - } + if (mktime(&t) == -1) + return 1; + else { + *date = t; + return 0; + } } /* Draw the monthly view inside calendar panel. */ static void -draw_monthly_view (struct window *cwin, struct date *current_day, - unsigned sunday_first) +draw_monthly_view(struct window *cwin, struct date *current_day, + unsigned sunday_first) { const int OFFY = 2 + (CALHEIGHT - 9) / 2; struct date check_day; @@ -311,106 +286,92 @@ draw_monthly_view (struct window *cwin, struct date *current_day, yr = slctd_day.yyyy; /* offset for centering calendar in window */ - SBAR_WIDTH = wins_sbar_width (); + SBAR_WIDTH = wins_sbar_width(); OFFX = (SBAR_WIDTH - 27) / 2; ofs_y = OFFY; ofs_x = OFFX; /* checking the number of days in february */ numdays = days[mo - 1]; - if (2 == mo && ISLEAP (yr)) + if (2 == mo && ISLEAP(yr)) ++numdays; /* * the first calendar day will be monday or sunday, depending on * 'week_begins_on_monday' value */ - c_day_1 = (int) ((ymd_to_scalar (yr, mo, 1 + sunday_first) - (long) 1) % 7L); + c_day_1 = (int)((ymd_to_scalar(yr, mo, 1 + sunday_first) - (long)1) % 7L); /* Write the current month and year on top of the calendar */ - custom_apply_attr (cwin->p, ATTR_HIGHEST); - mvwprintw (cwin->p, ofs_y, - (SBAR_WIDTH - (strlen (_(monthnames[mo - 1])) + 5)) / 2, - "%s %d", _(monthnames[mo - 1]), slctd_day.yyyy); - custom_remove_attr (cwin->p, ATTR_HIGHEST); + custom_apply_attr(cwin->p, ATTR_HIGHEST); + mvwprintw(cwin->p, ofs_y, + (SBAR_WIDTH - (strlen(_(monthnames[mo - 1])) + 5)) / 2, + "%s %d", _(monthnames[mo - 1]), slctd_day.yyyy); + custom_remove_attr(cwin->p, ATTR_HIGHEST); ++ofs_y; /* print the days, with regards to the first day of the week */ - custom_apply_attr (cwin->p, ATTR_HIGHEST); - for (j = 0; j < WEEKINDAYS; j++) - { - mvwprintw (cwin->p, ofs_y, ofs_x + 4 * j, "%s", - _(daynames[1 + j - sunday_first])); - } - custom_remove_attr (cwin->p, ATTR_HIGHEST); + custom_apply_attr(cwin->p, ATTR_HIGHEST); + for (j = 0; j < WEEKINDAYS; j++) { + mvwprintw(cwin->p, ofs_y, ofs_x + 4 * j, "%s", + _(daynames[1 + j - sunday_first])); + } + custom_remove_attr(cwin->p, ATTR_HIGHEST); day_1_sav = (c_day_1 + 1) * 3 + c_day_1 - 7; - for (c_day = 1; c_day <= numdays; ++c_day, ++c_day_1, c_day_1 %= 7) - { - check_day.dd = c_day; - check_day.mm = slctd_day.mm; - check_day.yyyy = slctd_day.yyyy; - - /* check if the day contains an event or an appointment */ - item_this_day = day_check_if_item (check_day); + for (c_day = 1; c_day <= numdays; ++c_day, ++c_day_1, c_day_1 %= 7) { + check_day.dd = c_day; + check_day.mm = slctd_day.mm; + check_day.yyyy = slctd_day.yyyy; - /* Go to next line, the week is over. */ - if (!c_day_1 && 1 != c_day) - { - ofs_y++; - ofs_x = OFFX - day_1_sav - 4 * c_day; - } + /* check if the day contains an event or an appointment */ + item_this_day = day_check_if_item(check_day); - /* This is today, so print it in yellow. */ - if (c_day == current_day->dd - && current_day->mm == slctd_day.mm - && current_day->yyyy == slctd_day.yyyy - && current_day->dd != slctd_day.dd) - { - custom_apply_attr (cwin->p, ATTR_LOWEST); - mvwprintw (cwin->p, ofs_y + 1, - ofs_x + day_1_sav + 4 * c_day + 1, "%2d", c_day); - custom_remove_attr (cwin->p, ATTR_LOWEST); - } - else if (c_day == slctd_day.dd) - { - /* This is the selected day, print it according to user's theme. */ - custom_apply_attr (cwin->p, ATTR_HIGHEST); - mvwprintw (cwin->p, ofs_y + 1, - ofs_x + day_1_sav + 4 * c_day + 1, "%2d", - c_day); - custom_remove_attr (cwin->p, ATTR_HIGHEST); - } - else if (item_this_day) - { - custom_apply_attr (cwin->p, ATTR_LOW); - mvwprintw (cwin->p, ofs_y + 1, - ofs_x + day_1_sav + 4 * c_day + 1, "%2d", - c_day); - custom_remove_attr (cwin->p, ATTR_LOW); - } - else - /* otherwise, print normal days in black */ - mvwprintw (cwin->p, ofs_y + 1, - ofs_x + day_1_sav + 4 * c_day + 1, "%2d", - c_day); + /* Go to next line, the week is over. */ + if (!c_day_1 && 1 != c_day) { + ofs_y++; + ofs_x = OFFX - day_1_sav - 4 * c_day; } -} -static int -weeknum (const struct tm *t, int firstweekday) + /* This is today, so print it in yellow. */ + if (c_day == current_day->dd + && current_day->mm == slctd_day.mm + && current_day->yyyy == slctd_day.yyyy + && current_day->dd != slctd_day.dd) { + custom_apply_attr(cwin->p, ATTR_LOWEST); + mvwprintw(cwin->p, ofs_y + 1, + ofs_x + day_1_sav + 4 * c_day + 1, "%2d", c_day); + custom_remove_attr(cwin->p, ATTR_LOWEST); + } else if (c_day == slctd_day.dd) { + /* This is the selected day, print it according to user's theme. */ + custom_apply_attr(cwin->p, ATTR_HIGHEST); + mvwprintw(cwin->p, ofs_y + 1, + ofs_x + day_1_sav + 4 * c_day + 1, "%2d", c_day); + custom_remove_attr(cwin->p, ATTR_HIGHEST); + } else if (item_this_day) { + custom_apply_attr(cwin->p, ATTR_LOW); + mvwprintw(cwin->p, ofs_y + 1, + ofs_x + day_1_sav + 4 * c_day + 1, "%2d", c_day); + custom_remove_attr(cwin->p, ATTR_LOW); + } else + /* otherwise, print normal days in black */ + mvwprintw(cwin->p, ofs_y + 1, + ofs_x + day_1_sav + 4 * c_day + 1, "%2d", c_day); + } +} + +static int weeknum(const struct tm *t, int firstweekday) { int wday, wnum; wday = t->tm_wday; - if (firstweekday == MONDAY) - { - if (wday == SUNDAY) - wday = 6; - else - wday--; - } + if (firstweekday == MONDAY) { + if (wday == SUNDAY) + wday = 6; + else + wday--; + } wnum = ((t->tm_yday + WEEKINDAYS - wday) / WEEKINDAYS); if (wnum < 0) wnum = 0; @@ -421,64 +382,60 @@ weeknum (const struct tm *t, int firstweekday) /* * Compute the week number according to ISO 8601. */ -static int -ISO8601weeknum (const struct tm *t) +static int ISO8601weeknum(const struct tm *t) { int wnum, jan1day; - wnum = weeknum (t, MONDAY); + wnum = weeknum(t, MONDAY); jan1day = t->tm_wday - (t->tm_yday % WEEKINDAYS); if (jan1day < 0) jan1day += WEEKINDAYS; - switch (jan1day) - { - case MONDAY: - break; - case TUESDAY: - case WEDNESDAY: - case THURSDAY: - wnum++; - break; - case FRIDAY: - case SATURDAY: - case SUNDAY: - if (wnum == 0) - { - /* Get week number of last week of last year. */ - struct tm dec31ly; /* 12/31 last year */ - - dec31ly = *t; - dec31ly.tm_year--; - dec31ly.tm_mon = 11; - dec31ly.tm_mday = 31; - dec31ly.tm_wday = (jan1day == SUNDAY) ? 6 : jan1day - 1; - dec31ly.tm_yday = 364 + ISLEAP (dec31ly.tm_year + 1900); - wnum = ISO8601weeknum (&dec31ly); - } - break; + switch (jan1day) { + case MONDAY: + break; + case TUESDAY: + case WEDNESDAY: + case THURSDAY: + wnum++; + break; + case FRIDAY: + case SATURDAY: + case SUNDAY: + if (wnum == 0) { + /* Get week number of last week of last year. */ + struct tm dec31ly; /* 12/31 last year */ + + dec31ly = *t; + dec31ly.tm_year--; + dec31ly.tm_mon = 11; + dec31ly.tm_mday = 31; + dec31ly.tm_wday = (jan1day == SUNDAY) ? 6 : jan1day - 1; + dec31ly.tm_yday = 364 + ISLEAP(dec31ly.tm_year + 1900); + wnum = ISO8601weeknum(&dec31ly); } + break; + } - if (t->tm_mon == 11) - { - int wday, mday; + if (t->tm_mon == 11) { + int wday, mday; - wday = t->tm_wday; - mday = t->tm_mday; - if ((wday == MONDAY && (mday >= 29 && mday <= 31)) - || (wday == TUESDAY && (mday == 30 || mday == 31)) - || (wday == WEDNESDAY && mday == 31)) - wnum = 1; - } + wday = t->tm_wday; + mday = t->tm_mday; + if ((wday == MONDAY && (mday >= 29 && mday <= 31)) + || (wday == TUESDAY && (mday == 30 || mday == 31)) + || (wday == WEDNESDAY && mday == 31)) + wnum = 1; + } return wnum; } /* Draw the weekly view inside calendar panel. */ static void -draw_weekly_view (struct window *cwin, struct date *current_day, - unsigned sunday_first) +draw_weekly_view(struct window *cwin, struct date *current_day, + unsigned sunday_first) { #define DAYSLICESNO 6 const int WCALWIDTH = 30; @@ -486,129 +443,123 @@ draw_weekly_view (struct window *cwin, struct date *current_day, struct tm t; int OFFX, j, c_wday, days_to_remove, weeknum; - OFFX = (wins_sbar_width () - WCALWIDTH) / 2 + 1; + OFFX = (wins_sbar_width() - WCALWIDTH) / 2 + 1; /* Fill in a tm structure with the first day of the selected week. */ - c_wday = calendar_get_wday (&slctd_day); + c_wday = calendar_get_wday(&slctd_day); if (sunday_first) days_to_remove = c_wday; else days_to_remove = c_wday == 0 ? WEEKINDAYS - 1 : c_wday - 1; - (void)memset (&t, 0, sizeof (struct tm)); + memset(&t, 0, sizeof(struct tm)); t.tm_mday = slctd_day.dd; t.tm_mon = slctd_day.mm - 1; t.tm_year = slctd_day.yyyy - 1900; - (void)mktime (&t); - (void)date_change (&t, 0, -days_to_remove); + mktime(&t); + date_change(&t, 0, -days_to_remove); /* Print the week number. */ - weeknum = ISO8601weeknum (&t); - custom_apply_attr (cwin->p, ATTR_HIGHEST); - mvwprintw (cwin->p, 2, cwin->w - 9, "(# %02d)", weeknum); - custom_remove_attr (cwin->p, ATTR_HIGHEST); + weeknum = ISO8601weeknum(&t); + custom_apply_attr(cwin->p, ATTR_HIGHEST); + mvwprintw(cwin->p, 2, cwin->w - 9, "(# %02d)", weeknum); + custom_remove_attr(cwin->p, ATTR_HIGHEST); /* Now draw calendar view. */ - for (j = 0; j < WEEKINDAYS; j++) - { - struct date date; - unsigned attr, item_this_day; - int i, slices[DAYSLICESNO]; - - /* print the day names, with regards to the first day of the week */ - custom_apply_attr (cwin->p, ATTR_HIGHEST); - mvwprintw (cwin->p, OFFY, OFFX + 4 * j, "%s", - _(daynames[1 + j - sunday_first])); - custom_remove_attr (cwin->p, ATTR_HIGHEST); - - /* Check if the day to be printed has an item or not. */ - date.dd = t.tm_mday; - date.mm = t.tm_mon + 1; - date.yyyy = t.tm_year + 1900; - item_this_day = day_check_if_item (date); - - /* Print the day numbers with appropriate decoration. */ - if (t.tm_mday == current_day->dd - && current_day->mm == slctd_day.mm - && current_day->yyyy == slctd_day.yyyy - && current_day->dd != slctd_day.dd) - attr = ATTR_LOWEST; /* today, but not selected */ - else if (t.tm_mday == slctd_day.dd) - attr = ATTR_HIGHEST; /* selected day */ - else if (item_this_day) - attr = ATTR_LOW; - else - attr = 0; - - if (attr) - custom_apply_attr (cwin->p, attr); - mvwprintw (cwin->p, OFFY + 1, OFFX + 1 + 4 * j, "%02d", t.tm_mday); - if (attr) - custom_remove_attr (cwin->p, attr); - - /* Draw slices indicating appointment times. */ - bzero (slices, DAYSLICESNO * sizeof *slices); - if (day_chk_busy_slices (date, DAYSLICESNO, slices)) - { - for (i = 0; i < DAYSLICESNO; i++) - { - if (j != WEEKINDAYS - 1 && i != DAYSLICESNO - 1) - mvwhline (cwin->p, OFFY + 2 + i, OFFX + 3 + 4 * j, ACS_S9, 2); - if (slices[i]) - { - int highlight; - - highlight = (t.tm_mday == slctd_day.dd) ? 1 : 0; - if (highlight) - custom_apply_attr (cwin->p, attr); - wattron (cwin->p, A_REVERSE); - mvwprintw (cwin->p, OFFY + 2 + i, OFFX + 1 + 4 * j, " "); - mvwprintw (cwin->p, OFFY + 2 + i, OFFX + 2 + 4 * j, " "); - wattroff (cwin->p, A_REVERSE); - if (highlight) - custom_remove_attr (cwin->p, attr); - } - } + for (j = 0; j < WEEKINDAYS; j++) { + struct date date; + unsigned attr, item_this_day; + int i, slices[DAYSLICESNO]; + + /* print the day names, with regards to the first day of the week */ + custom_apply_attr(cwin->p, ATTR_HIGHEST); + mvwprintw(cwin->p, OFFY, OFFX + 4 * j, "%s", + _(daynames[1 + j - sunday_first])); + custom_remove_attr(cwin->p, ATTR_HIGHEST); + + /* Check if the day to be printed has an item or not. */ + date.dd = t.tm_mday; + date.mm = t.tm_mon + 1; + date.yyyy = t.tm_year + 1900; + item_this_day = day_check_if_item(date); + + /* Print the day numbers with appropriate decoration. */ + if (t.tm_mday == current_day->dd + && current_day->mm == slctd_day.mm + && current_day->yyyy == slctd_day.yyyy + && current_day->dd != slctd_day.dd) + attr = ATTR_LOWEST; /* today, but not selected */ + else if (t.tm_mday == slctd_day.dd) + attr = ATTR_HIGHEST; /* selected day */ + else if (item_this_day) + attr = ATTR_LOW; + else + attr = 0; + + if (attr) + custom_apply_attr(cwin->p, attr); + mvwprintw(cwin->p, OFFY + 1, OFFX + 1 + 4 * j, "%02d", t.tm_mday); + if (attr) + custom_remove_attr(cwin->p, attr); + + /* Draw slices indicating appointment times. */ + memset(slices, 0, DAYSLICESNO * sizeof *slices); + if (day_chk_busy_slices(date, DAYSLICESNO, slices)) { + for (i = 0; i < DAYSLICESNO; i++) { + if (j != WEEKINDAYS - 1 && i != DAYSLICESNO - 1) + mvwhline(cwin->p, OFFY + 2 + i, OFFX + 3 + 4 * j, ACS_S9, 2); + if (slices[i]) { + int highlight; + + highlight = (t.tm_mday == slctd_day.dd) ? 1 : 0; + if (highlight) + custom_apply_attr(cwin->p, attr); + wattron(cwin->p, A_REVERSE); + mvwprintw(cwin->p, OFFY + 2 + i, OFFX + 1 + 4 * j, " "); + mvwprintw(cwin->p, OFFY + 2 + i, OFFX + 2 + 4 * j, " "); + wattroff(cwin->p, A_REVERSE); + if (highlight) + custom_remove_attr(cwin->p, attr); } - - /* get next day */ - (void)date_change (&t, 0, 1); + } } + /* get next day */ + date_change(&t, 0, 1); + } + /* Draw marks to indicate midday on the sides of the calendar. */ - custom_apply_attr (cwin->p, ATTR_HIGHEST); - mvwhline (cwin->p, OFFY + 1 + DAYSLICESNO / 2, OFFX, ACS_S9, 1); - mvwhline (cwin->p, OFFY + 1 + DAYSLICESNO / 2, - OFFX + WCALWIDTH - 3, ACS_S9, 1); - custom_remove_attr (cwin->p, ATTR_HIGHEST); + custom_apply_attr(cwin->p, ATTR_HIGHEST); + mvwhline(cwin->p, OFFY + 1 + DAYSLICESNO / 2, OFFX, ACS_S9, 1); + mvwhline(cwin->p, OFFY + 1 + DAYSLICESNO / 2, + OFFX + WCALWIDTH - 3, ACS_S9, 1); + custom_remove_attr(cwin->p, ATTR_HIGHEST); #undef DAYSLICESNO } /* Function used to display the calendar panel. */ -void -calendar_update_panel (struct window *cwin) +void calendar_update_panel(struct window *cwin) { struct date current_day; unsigned sunday_first; - calendar_store_current_date (¤t_day); - erase_window_part (cwin->p, 1, 3, cwin->w - 2, cwin->h - 2); - mvwhline (cwin->p, 2, 1, ACS_HLINE, cwin->w - 2); - sunday_first = calendar_week_begins_on_monday () ? 0 : 1; + calendar_store_current_date(¤t_day); + erase_window_part(cwin->p, 1, 3, cwin->w - 2, cwin->h - 2); + mvwhline(cwin->p, 2, 1, ACS_HLINE, cwin->w - 2); + sunday_first = calendar_week_begins_on_monday()? 0 : 1; draw_calendar[calendar_view] (cwin, ¤t_day, sunday_first); - wnoutrefresh (cwin->p); + wnoutrefresh(cwin->p); } /* Set the selected day in calendar to current day. */ -void -calendar_goto_today (void) +void calendar_goto_today(void) { struct date today; - calendar_store_current_date (&today); + calendar_store_current_date(&today); slctd_day.dd = today.dd; slctd_day.mm = today.mm; slctd_day.yyyy = today.yyyy; @@ -620,154 +571,143 @@ calendar_goto_today (void) * If the entered date is empty, automatically jump to the current date. * slctd_day is updated with the newly selected date. */ -void -calendar_change_day (int datefmt) +void calendar_change_day(int datefmt) { #define LDAY 11 char selected_day[LDAY] = ""; char outstr[BUFSIZ]; int dday, dmonth, dyear; int wrong_day = 1; - char *mesg_line1 = - _("The day you entered is not valid " - "(should be between 01/01/1902 and 12/31/2037)"); - char *mesg_line2 = _("Press [ENTER] to continue"); - char *request_date = "Enter the day to go to [ENTER for today] : %s"; - - while (wrong_day) - { - (void)snprintf (outstr, BUFSIZ, request_date, DATEFMT_DESC (datefmt)); - status_mesg (_(outstr), ""); - if (getstring (win[STA].p, selected_day, LDAY, 0, 1) == GETSTRING_ESC) - return; - else - { - if (strlen (selected_day) == 0) - { - wrong_day = 0; - calendar_goto_today (); - } - else if (parse_date (selected_day, datefmt, &dyear, &dmonth, &dday, - calendar_get_slctd_day ())) - { - wrong_day = 0; - /* go to chosen day */ - slctd_day.dd = dday; - slctd_day.mm = dmonth; - slctd_day.yyyy = dyear; - } - if (wrong_day) - { - status_mesg (mesg_line1, mesg_line2); - (void)wgetch (win[STA].p); - } - } + const char *mesg_line1 = + _("The day you entered is not valid " + "(should be between 01/01/1902 and 12/31/2037)"); + const char *mesg_line2 = _("Press [ENTER] to continue"); + const char *request_date = "Enter the day to go to [ENTER for today] : %s"; + + while (wrong_day) { + snprintf(outstr, BUFSIZ, request_date, DATEFMT_DESC(datefmt)); + status_mesg(_(outstr), ""); + if (getstring(win[STA].p, selected_day, LDAY, 0, 1) == GETSTRING_ESC) + return; + else { + if (strlen(selected_day) == 0) { + wrong_day = 0; + calendar_goto_today(); + } else if (parse_date(selected_day, datefmt, &dyear, &dmonth, &dday, + calendar_get_slctd_day())) { + wrong_day = 0; + /* go to chosen day */ + slctd_day.dd = dday; + slctd_day.mm = dmonth; + slctd_day.yyyy = dyear; + } + if (wrong_day) { + status_mesg(mesg_line1, mesg_line2); + wgetch(win[STA].p); + } } + } return; } -void -calendar_move (enum move move) +void calendar_move(enum move move, int count) { int ret, days_to_remove, days_to_add; struct tm t; - (void)memset (&t, 0, sizeof (struct tm)); + memset(&t, 0, sizeof(struct tm)); t.tm_mday = slctd_day.dd; t.tm_mon = slctd_day.mm - 1; t.tm_year = slctd_day.yyyy - 1900; - switch (move) - { - case UP: - if ((slctd_day.dd <= 7) && (slctd_day.mm == 1) - && (slctd_day.yyyy == 1902)) - return; - ret = date_change (&t, 0, -WEEKINDAYS); - break; - case DOWN: - if ((slctd_day.dd > days[slctd_day.mm - 1] - 7) - && (slctd_day.mm == 12) && (slctd_day.yyyy == 2037)) - return; - ret = date_change (&t, 0, WEEKINDAYS); - break; - case LEFT: - if ((slctd_day.dd == 1) && (slctd_day.mm == 1) - && (slctd_day.yyyy == 1902)) - return; - ret = date_change (&t, 0, -1); - break; - case RIGHT: - if ((slctd_day.dd == 31) && (slctd_day.mm == 12) - && (slctd_day.yyyy == 2037)) - return; - ret = date_change (&t, 0, 1); - break; - case WEEK_START: - /* Normalize struct tm to get week day number. */ - (void)mktime (&t); - if (calendar_week_begins_on_monday ()) - days_to_remove = ((t.tm_wday == 0) ? WEEKINDAYS - 1 : t.tm_wday - 1); - else - days_to_remove = ((t.tm_wday == 0) ? 0 : t.tm_wday); - ret = date_change (&t, 0, 0 - days_to_remove); - break; - case WEEK_END: - (void)mktime (&t); - if (calendar_week_begins_on_monday ()) - days_to_add = ((t.tm_wday == 0) ? 0 : WEEKINDAYS - t.tm_wday); - else - days_to_add = ((t.tm_wday == 0) ? - WEEKINDAYS - 1 : WEEKINDAYS - 1 - t.tm_wday); - ret = date_change (&t, 0, days_to_add); - break; - default: - ret = 1; - /* NOTREACHED */ - } - if (ret == 0) - { - slctd_day.dd = t.tm_mday; - slctd_day.mm = t.tm_mon + 1; - slctd_day.yyyy = t.tm_year + 1900; + switch (move) { + case UP: + ret = date_change(&t, 0, -count * WEEKINDAYS); + break; + case DOWN: + ret = date_change(&t, 0, count * WEEKINDAYS); + break; + case LEFT: + ret = date_change(&t, 0, -count); + break; + case RIGHT: + ret = date_change(&t, 0, count); + break; + case WEEK_START: + /* Normalize struct tm to get week day number. */ + mktime(&t); + if (calendar_week_begins_on_monday()) + days_to_remove = ((t.tm_wday == 0) ? WEEKINDAYS - 1 : t.tm_wday - 1); + else + days_to_remove = ((t.tm_wday == 0) ? 0 : t.tm_wday); + days_to_remove += (count - 1) * WEEKINDAYS; + ret = date_change(&t, 0, -days_to_remove); + break; + case WEEK_END: + mktime(&t); + if (calendar_week_begins_on_monday()) + days_to_add = ((t.tm_wday == 0) ? 0 : WEEKINDAYS - t.tm_wday); + else + days_to_add = ((t.tm_wday == 0) ? + WEEKINDAYS - 1 : WEEKINDAYS - 1 - t.tm_wday); + days_to_add += (count - 1) * WEEKINDAYS; + ret = date_change(&t, 0, days_to_add); + break; + default: + ret = 1; + /* NOTREACHED */ + } + + if (ret == 0) { + if (t.tm_year < 2) { + t.tm_mday = 1; + t.tm_mon = 0; + t.tm_year = 2; + } else if (t.tm_year > 137) { + t.tm_mday = 31; + t.tm_mon = 11; + t.tm_year = 137; } + + slctd_day.dd = t.tm_mday; + slctd_day.mm = t.tm_mon + 1; + slctd_day.yyyy = t.tm_year + 1900; + } } /* Returns the beginning of current year as a long. */ -long -calendar_start_of_year (void) +long calendar_start_of_year(void) { time_t timer; struct tm *tm; - timer = time (NULL); - tm = localtime (&timer); + timer = time(NULL); + tm = localtime(&timer); tm->tm_mon = 0; tm->tm_mday = 1; tm->tm_hour = 0; tm->tm_min = 0; tm->tm_sec = 0; - timer = mktime (tm); + timer = mktime(tm); return (long)timer; } -long -calendar_end_of_year (void) +long calendar_end_of_year(void) { time_t timer; struct tm *tm; - timer = time (NULL); - tm = localtime (&timer); + timer = time(NULL); + tm = localtime(&timer); tm->tm_mon = 0; tm->tm_mday = 1; tm->tm_hour = 0; tm->tm_min = 0; tm->tm_sec = 0; tm->tm_year++; - timer = mktime (tm); + timer = mktime(tm); return (long)(timer - 1); } @@ -813,18 +753,16 @@ calendar_end_of_year (void) * dtor -- * convert degrees to radians */ -static double -dtor (double deg) +static double dtor(double deg) { - return (deg * M_PI / 180); + return deg * M_PI / 180; } /* * adj360 -- * adjust value so 0 <= deg <= 360 */ -static void -adj360 (double *deg) +static void adj360(double *deg) { for (;;) if (*deg < 0.0) @@ -839,36 +777,35 @@ adj360 (double *deg) * potm -- * return phase of the moon */ -static double -potm (double days) +static double potm(double days) { double N, Msol, Ec, LambdaSol, l, Mm, Ev, Ac, A3, Mmprime; double A4, lprime, V, ldprime, D, Nm; - N = 360.0 * days / 365.242191; /* sec 46 #3 */ - adj360 (&N); - Msol = N + EPSILONg - RHOg; /* sec 46 #4 */ - adj360 (&Msol); - Ec = 360 / M_PI * ECCEN * sin (dtor (Msol)); /* sec 46 #5 */ - LambdaSol = N + Ec + EPSILONg; /* sec 46 #6 */ - adj360 (&LambdaSol); - l = 13.1763966 * days + lzero; /* sec 65 #4 */ - adj360 (&l); - Mm = l - (0.1114041 * days) - Pzero; /* sec 65 #5 */ - adj360 (&Mm); - Nm = Nzero - (0.0529539 * days); /* sec 65 #6 */ - adj360 (&Nm); - Ev = 1.2739 * sin (dtor (2 * (l - LambdaSol) - Mm)); /* sec 65 #7 */ - Ac = 0.1858 * sin (dtor (Msol)); /* sec 65 #8 */ - A3 = 0.37 * sin (dtor (Msol)); - Mmprime = Mm + Ev - Ac - A3; /* sec 65 #9 */ - Ec = 6.2886 * sin (dtor (Mmprime)); /* sec 65 #10 */ - A4 = 0.214 * sin (dtor (2 * Mmprime)); /* sec 65 #11 */ - lprime = l + Ev + Ec - Ac + A4; /* sec 65 #12 */ - V = 0.6583 * sin (dtor (2 * (lprime - LambdaSol))); /* sec 65 #13 */ - ldprime = lprime + V; /* sec 65 #14 */ - D = ldprime - LambdaSol; /* sec 67 #2 */ - return (50.0 * (1 - cos (dtor (D)))); /* sec 67 #3 */ + N = 360.0 * days / 365.242191; /* sec 46 #3 */ + adj360(&N); + Msol = N + EPSILONg - RHOg; /* sec 46 #4 */ + adj360(&Msol); + Ec = 360 / M_PI * ECCEN * sin(dtor(Msol)); /* sec 46 #5 */ + LambdaSol = N + Ec + EPSILONg; /* sec 46 #6 */ + adj360(&LambdaSol); + l = 13.1763966 * days + lzero; /* sec 65 #4 */ + adj360(&l); + Mm = l - (0.1114041 * days) - Pzero; /* sec 65 #5 */ + adj360(&Mm); + Nm = Nzero - (0.0529539 * days); /* sec 65 #6 */ + adj360(&Nm); + Ev = 1.2739 * sin(dtor(2 * (l - LambdaSol) - Mm)); /* sec 65 #7 */ + Ac = 0.1858 * sin(dtor(Msol)); /* sec 65 #8 */ + A3 = 0.37 * sin(dtor(Msol)); + Mmprime = Mm + Ev - Ac - A3; /* sec 65 #9 */ + Ec = 6.2886 * sin(dtor(Mmprime)); /* sec 65 #10 */ + A4 = 0.214 * sin(dtor(2 * Mmprime)); /* sec 65 #11 */ + lprime = l + Ev + Ec - Ac + A4; /* sec 65 #12 */ + V = 0.6583 * sin(dtor(2 * (lprime - LambdaSol))); /* sec 65 #13 */ + ldprime = lprime + V; /* sec 65 #14 */ + D = ldprime - LambdaSol; /* sec 67 #2 */ + return 50.0 * (1 - cos(dtor(D))); /* sec 67 #3 */ } /* @@ -882,23 +819,22 @@ potm (double days) * Updated to the Third Edition of Duffett-Smith's book, IX 1998 * */ -static double -pom (time_t tmpt) +static double pom(time_t tmpt) { struct tm *GMT; double days; int cnt; - GMT = gmtime (&tmpt); + GMT = gmtime(&tmpt); days = (GMT->tm_yday + 1) + ((GMT->tm_hour + (GMT->tm_min / 60.0) + (GMT->tm_sec / 3600.0)) / 24.0); for (cnt = EPOCH; cnt < GMT->tm_year; ++cnt) - days += ISLEAP (cnt + TM_YEAR_BASE) ? 366 : 365; + days += ISLEAP(cnt + TM_YEAR_BASE) ? 366 : 365; /* Selected time could be before EPOCH */ for (cnt = GMT->tm_year; cnt < EPOCH; ++cnt) - days -= ISLEAP (cnt + TM_YEAR_BASE) ? 366 : 365; + days -= ISLEAP(cnt + TM_YEAR_BASE) ? 366 : 365; - return (potm (days)); + return potm(days); } /* @@ -906,25 +842,24 @@ pom (time_t tmpt) * Careful: date is the selected day in calendar at 00:00, so it represents * the phase of the moon for previous day. */ -char * -calendar_get_pom (time_t date) +const char *calendar_get_pom(time_t date) { - char *pom_pict[MOON_PHASES] = { " ", "|) ", "(|)", "(| ", " | " }; + const char *pom_pict[MOON_PHASES] = { " ", "|) ", "(|)", "(| ", " | " }; enum pom phase = NO_POM; double pom_today, relative_pom, pom_yesterday, pom_tomorrow; const double half = 50.0; - pom_yesterday = pom (date); - pom_today = pom (date + DAYINSEC); - relative_pom = abs (pom_today - half); - pom_tomorrow = pom (date + 2 * DAYINSEC); + pom_yesterday = pom(date); + pom_today = pom(date + DAYINSEC); + relative_pom = abs(pom_today - half); + pom_tomorrow = pom(date + 2 * DAYINSEC); if (pom_today > pom_yesterday && pom_today > pom_tomorrow) phase = FULL_MOON; else if (pom_today < pom_yesterday && pom_today < pom_tomorrow) phase = NEW_MOON; - else if (relative_pom < abs (pom_yesterday - half) - && relative_pom < abs (pom_tomorrow - half)) + else if (relative_pom < abs(pom_yesterday - half) + && relative_pom < abs(pom_tomorrow - half)) phase = (pom_tomorrow > pom_today) ? FIRST_QUARTER : LAST_QUARTER; - return (pom_pict[phase]); + return pom_pict[phase]; } |