From ac36e94341ca73d581f0df39f1c7bbf2138b2845 Mon Sep 17 00:00:00 2001 From: Frederic Culot Date: Mon, 31 Jul 2006 21:00:02 +0000 Subject: Initial revision --- src/calendar.c | 227 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 227 insertions(+) create mode 100755 src/calendar.c (limited to 'src/calendar.c') diff --git a/src/calendar.c b/src/calendar.c new file mode 100755 index 0000000..c147e47 --- /dev/null +++ b/src/calendar.c @@ -0,0 +1,227 @@ +/* $calcurse: calendar.c,v 1.1 2006/07/31 21:00:02 culot Exp $ */ + +/* + * Calcurse - text-based organizer + * Copyright (c) 2004-2006 Frederic Culot + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Send your feedback or comments to : calcurse@culot.org + * Calcurse home page : http://culot.org/calcurse + * + */ + +#include +#include +#include +#include +#include + +#include "i18n.h" +#include "day.h" +#include "apoint.h" +#include "event.h" +#include "calendar.h" +#include "custom.h" +#include "vars.h" +#include "utils.h" + +static unsigned months_to_days(unsigned); +static long years_to_days(unsigned); + + /* Load the calendar */ +void +update_cal_panel(WINDOW *cwin, int nl_cal, + int nc_cal, int sel_month, int sel_year, int sel_day, + int day, int month, int year, + bool monday_first) +{ + int c_day, c_day_1, day_1_sav, numdays, j; + unsigned yr, mo; + int ofs_x, ofs_y; + int item_this_day = 0; + int title_lines = 3; + int sunday_first = 0; + + // Inits + erase_window_part(cwin, 1, title_lines, nc_cal - 2, nl_cal - 2); + mo = sel_month; + yr = sel_year; + if (!monday_first) sunday_first = 1; + + // Offset for centering calendar in window + ofs_y = 2 + (nl_cal - 9) / 2; + ofs_x = (nc_cal - 27) / 2; + + + //checking the number of days in february + numdays = days[mo - 1]; + if (2 == mo && isBissextile(yr)) + ++numdays; + + //the first calendar day will be monday or sunday, depending on the + //value of week_begins_on_monday + 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, ATTR_HIGH); + mvwprintw(cwin, ofs_y, + (nc_cal - (strlen(_(monthnames[mo - 1])) + 5)) / 2, + "%s %d", _(monthnames[mo - 1]), sel_year); + custom_remove_attr(cwin, ATTR_HIGH); + ++ofs_y; + + //prints the days, with regards to the first day of the week + custom_apply_attr(cwin, ATTR_HIGH); + for (j = 0; j < 7; j++) { + mvwprintw(cwin, ofs_y, ofs_x + 4 * j, "%s", + _(daynames[1 + j - sunday_first])); + } + custom_remove_attr(cwin, ATTR_HIGH); + + 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 if the day contains an event or an appointment + item_this_day = day_check_if_item(sel_year, sel_month, c_day); + + /* Go to next line, the week is over. */ + if (!c_day_1 && 1 != c_day) { + ++ofs_y; + ofs_x = 2 - day_1_sav - 4 * c_day - 1; + } + /* This is today, so print it in yellow. */ + if (c_day == day && month == sel_month + && year == sel_year && day != sel_day) + { + custom_apply_attr(cwin, ATTR_LOWEST); + mvwprintw(cwin, ofs_y + 1, + ofs_x + day_1_sav + 4 * c_day + 1, "%2d", + c_day); + custom_remove_attr(cwin, ATTR_LOWEST); + } else if (c_day == sel_day && ( (day != sel_day) | + (month != sel_month) | (year != sel_year) )) + /* This is the selected day, print it in red. */ + { + custom_apply_attr(cwin, ATTR_MIDDLE); + mvwprintw(cwin, ofs_y + 1, + ofs_x + day_1_sav + 4 * c_day + 1, "%2d", + c_day); + custom_remove_attr(cwin, ATTR_MIDDLE); + } else if (c_day == sel_day && day == sel_day && month == sel_month && year == sel_year) //today is the selected day + { + custom_apply_attr(cwin, ATTR_MIDDLE); + mvwprintw(cwin, ofs_y + 1, + ofs_x + day_1_sav + 4 * c_day + 1, "%2d", + c_day); + custom_remove_attr(cwin, ATTR_MIDDLE); + } else if (item_this_day) { + custom_apply_attr(cwin, ATTR_LOW); + mvwprintw(cwin, ofs_y + 1, + ofs_x + day_1_sav + 4 * c_day + 1, "%2d", + c_day); + custom_remove_attr(cwin, ATTR_LOW); + } + + else // otherwise, print normal days in black + mvwprintw(cwin, ofs_y + 1, + ofs_x + day_1_sav + 4 * c_day + 1, "%2d", + c_day); + + } + wnoutrefresh(cwin); +} + +int isBissextile(unsigned annee) +{ + return annee % 400 == 0 || (annee % 4 == 0 && annee % 100 != 0); +} + +// convertion functions +unsigned months_to_days(unsigned mois) +{ + return (mois * 3057 - 3007) / 100; +} + + +long years_to_days(unsigned annee) +{ + return annee * 365L + annee / 4 - annee / 100 + annee / 400; +} + +long ymd_to_scalar(unsigned annee, unsigned mois, unsigned jour) +{ + long scalaire; + scalaire = jour + months_to_days(mois); + if (mois > 2) + scalaire -= isBissextile(annee) ? 1 : 2; + annee--; + scalaire += years_to_days(annee); + return scalaire; +} + +/* + * Ask for a date to jump to, then check the correctness of that date + * and jump to it. + * If the entered date is empty, automatically jump to the current date. + * day, month, year are the current day given to that routine, and + * sel_day, sel_month and sel_year represent the day given back. + */ +void +goto_day(int colr, int day, int month, int year, + int *sel_day, int *sel_month, int *sel_year) +{ + char selected_day[50] = ""; + int dday, dmonth, dyear; + int wrong_day = 0; + char *mesg_line1 = _("The day you entered is not valid"); + char *mesg_line2 = _("Press [ENTER] to continue"); + char *request_date = _("Enter the day to go to [ENTER for today] : dd/mm/yyyy"); + + while (wrong_day != 1) { + status_mesg(request_date, ""); + getstring(swin, colr, selected_day, 0, 1); + if (strlen(selected_day) == 0) // go to today + { + *sel_day = day; + *sel_month = month; + *sel_year = year; + break; + } else { + sscanf(selected_day, "%u/%u/%u", &dday, &dmonth, + &dyear); + //check if the entered day is correct + if ((dday <= 0) | (dday >= 32)) + wrong_day = 1; + if ((dmonth <= 0) | (dmonth >= 13)) + wrong_day = 1; + if ((dyear <= 0) | (dyear >= 3000)) + wrong_day = 1; + //go to chosen day + if (wrong_day != 1) { + *sel_day = dday; + *sel_month = dmonth; + *sel_year = dyear; + } else { + status_mesg(mesg_line1, mesg_line2); + wgetch(swin); + } + break; + } + } + return; +} -- cgit v1.2.3-54-g00ecf