598 lines
16 KiB
C
Executable File
598 lines
16 KiB
C
Executable File
/* $calcurse: notify.c,v 1.20 2007/08/19 13:16:45 culot Exp $ */
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/*
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* Calcurse - text-based organizer
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* Copyright (c) 2004-2007 Frederic Culot
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Send your feedback or comments to : calcurse@culot.org
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* Calcurse home page : http://culot.org/calcurse
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*
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*/
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#include <time.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "i18n.h"
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#include "utils.h"
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#include "custom.h"
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#include "notify.h"
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static struct notify_vars_s *notify = NULL;
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static struct notify_app_s *notify_app = NULL;
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static pthread_t notify_t_main;
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/* Return 1 if we need to display the notify-bar, else 0. */
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int
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notify_bar(void)
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{
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int display_bar = 0;
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pthread_mutex_lock(&nbar->mutex);
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display_bar = (nbar->show) ? 1 : 0;
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pthread_mutex_unlock(&nbar->mutex);
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return display_bar;
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}
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/* Initialize the nbar variable used to store notification options. */
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void
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notify_init_vars(void)
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{
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char *time_format = "%T";
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char *date_format = "%a %F";
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char *cmd = "printf '\\a'";
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nbar = (struct nbar_s *) malloc(sizeof(struct nbar_s));
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pthread_mutex_init(&nbar->mutex, NULL);
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nbar->show = 1;
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nbar->cntdwn = 300;
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strncpy(nbar->datefmt, date_format, strlen(date_format) + 1);
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strncpy(nbar->timefmt, time_format, strlen(time_format) + 1);
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strncpy(nbar->cmd, cmd, strlen(cmd) + 1);
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if ((nbar->shell = getenv("SHELL")) == NULL)
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nbar->shell = "/bin/sh";
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}
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/* Extract the appointment file name from the complete file path. */
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static void
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extract_aptsfile(void)
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{
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char *file;
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file = strrchr(path_apts, '/');
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if (!file)
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notify->apts_file = path_apts;
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else {
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notify->apts_file = file;
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notify->apts_file++;
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}
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}
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/*
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* Create the notification bar, by initializing all the variables and
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* creating the notification window (l is the number of lines, c the
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* number of columns, y and x are its coordinates).
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*/
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void
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notify_init_bar(void)
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{
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notify = (struct notify_vars_s *) malloc(sizeof(struct notify_vars_s));
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notify_app = (struct notify_app_s *)
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malloc(sizeof(struct notify_app_s));
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pthread_mutex_init(¬ify->mutex, NULL);
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pthread_mutex_init(¬ify_app->mutex, NULL);
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notify_app->got_app = 0;
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notify->win = newwin(wins_prop(NOTIFY, HEIGHT),
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wins_prop(NOTIFY, WIDTH), wins_prop(NOTIFY, YPOS),
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wins_prop(NOTIFY, XPOS));
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extract_aptsfile();
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}
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/* Stop the notify-bar main thread. */
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void
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notify_stop_main_thread(void)
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{
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pthread_cancel(notify_t_main);
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return;
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}
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/*
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* The calcurse window geometry has changed so we need to reset the
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* notification window.
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*/
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void
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notify_reinit_bar(int l, int c, int y, int x)
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{
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delwin(notify->win);
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notify->win = newwin(l, c, y, x);
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}
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/* Launch user defined command as a notification. */
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static void
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launch_cmd(char *cmd, char *shell)
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{
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int pid;
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pid = fork();
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if (pid < 0)
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ierror(_("FATAL ERROR in launch_cmd: could not fork"));
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else if (pid == 0) /* Child: launch user defined command */
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if (execlp(shell, shell, "-c", cmd, (char *)NULL) < 0)
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ierror(_("FATAL ERROR in launch_cmd: could not "
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"launch user command"));
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}
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/*
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* Update the notification bar. This is useful when changing color theme
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* for example.
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*/
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void
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notify_update_bar(void)
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{
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const int space = 3;
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int file_pos, date_pos, app_pos, txt_max_len, too_long = 0;
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int time_left, hours_left, minutes_left;
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int blinking;
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char buf[BUFSIZ];
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date_pos = space;
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pthread_mutex_lock(¬ify->mutex);
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file_pos = strlen(notify->date) + strlen(notify->time) + 7 + 2*space;
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app_pos = file_pos + strlen(notify->apts_file) + 2 + space;
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txt_max_len = col - (app_pos + 12 + space);
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custom_apply_attr(notify->win, ATTR_HIGHEST);
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wattron(notify->win, A_UNDERLINE | A_REVERSE);
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mvwhline(notify->win, 0, 0, ACS_HLINE, col);
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mvwprintw(notify->win, 0, date_pos, "[ %s | %s ]",
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notify->date, notify->time);
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mvwprintw(notify->win, 0, file_pos, "(%s)", notify->apts_file);
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pthread_mutex_lock(¬ify_app->mutex);
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if (notify_app->got_app) {
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if (strlen(notify_app->txt) > txt_max_len) {
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too_long = 1;
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strncpy(buf, notify_app->txt, txt_max_len - 3);
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buf[txt_max_len - 3] = '\0';
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}
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time_left = notify_app->time - notify->time_in_sec;
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if (time_left > 0) {
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hours_left = (time_left / HOURINSEC);
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minutes_left = (time_left - hours_left * HOURINSEC) /
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MININSEC;
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pthread_mutex_lock(&nbar->mutex);
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if (time_left < nbar->cntdwn &&
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(notify_app->state & APOINT_NOTIFY))
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blinking = 1;
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else
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blinking = 0;
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if (blinking)
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wattron(notify->win, A_BLINK);
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if (too_long)
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mvwprintw(notify->win, 0, app_pos,
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"> %02d:%02d :: %s.. <",
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hours_left, minutes_left, buf);
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else
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mvwprintw(notify->win, 0, app_pos,
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"> %02d:%02d :: %s <",
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hours_left, minutes_left,
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notify_app->txt);
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if (blinking)
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wattroff(notify->win, A_BLINK);
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if (blinking &&
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!(notify_app->state & APOINT_NOTIFIED)) {
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notify_app->state |= APOINT_NOTIFIED;
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launch_cmd(nbar->cmd, nbar->shell);
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}
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pthread_mutex_unlock(&nbar->mutex);
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} else {
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notify_app->got_app = 0;
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pthread_mutex_unlock(¬ify_app->mutex);
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pthread_mutex_unlock(¬ify->mutex);
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notify_check_next_app();
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return;
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}
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}
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pthread_mutex_unlock(¬ify_app->mutex);
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wattroff(notify->win, A_UNDERLINE | A_REVERSE);
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custom_remove_attr(notify->win, ATTR_HIGHEST);
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wrefresh(notify->win);
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pthread_mutex_unlock(¬ify->mutex);
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}
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/* Update the notication bar content */
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static void *
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notify_main_thread(void *arg)
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{
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const unsigned thread_sleep = 1;
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const unsigned check_app = MININSEC;
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int elapse= 0, got_app = 0;
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struct tm *ntime;
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time_t ntimer;
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elapse = 0;
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got_app = 0;
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for (;;) {
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ntimer = time(NULL);
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ntime = localtime(&ntimer);
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pthread_mutex_lock(¬ify->mutex);
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notify->time_in_sec = ntimer;
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pthread_mutex_lock(&nbar->mutex);
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strftime(notify->time, NOTIFY_FIELD_LENGTH, nbar->timefmt, ntime);
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strftime(notify->date, NOTIFY_FIELD_LENGTH, nbar->datefmt, ntime);
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pthread_mutex_unlock(&nbar->mutex);
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pthread_mutex_unlock(¬ify->mutex);
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notify_update_bar();
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sleep(thread_sleep);
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elapse += thread_sleep;
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if (elapse >= check_app) {
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elapse = 0;
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pthread_mutex_lock(¬ify_app->mutex);
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got_app = notify_app->got_app;
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pthread_mutex_unlock(¬ify_app->mutex);
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if (!got_app)
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notify_check_next_app();
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}
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}
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pthread_exit((void*) 0);
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}
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/* Look for the next appointment within the next 24 hours. */
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static void *
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notify_thread_app(void *arg)
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{
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struct notify_app_s *tmp_app;
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time_t current_time;
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current_time = time(NULL);
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/* Use a temporary structure not to lock the mutex for a too
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* long time while looking for next appointment. */
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tmp_app = (struct notify_app_s *) malloc(sizeof(struct notify_app_s));
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tmp_app->time = current_time + DAYINSEC;
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tmp_app->got_app = 0;
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tmp_app = recur_apoint_check_next(tmp_app, current_time, get_today());
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tmp_app = apoint_check_next(tmp_app, current_time);
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pthread_mutex_lock(¬ify_app->mutex);
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if (tmp_app->got_app) {
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notify_app->got_app = 1;
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notify_app->time = tmp_app->time;
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notify_app->txt = mycpy(tmp_app->txt);
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notify_app->state = tmp_app->state;
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} else {
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notify_app->got_app = 0;
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}
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pthread_mutex_unlock(¬ify_app->mutex);
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free(tmp_app);
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notify_update_bar();
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pthread_exit((void*) 0);
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}
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/* Launch the thread notify_thread_app to look for next appointment. */
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void
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notify_check_next_app(void)
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{
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pthread_t notify_t_app;
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pthread_create(¬ify_t_app, NULL, notify_thread_app, NULL);
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return;
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}
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/* Check if the newly created appointment is to be notified. */
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void
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notify_check_added(char *mesg, long start, char state)
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{
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time_t current_time;
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int update_notify = 0;
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long gap;
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current_time = time(NULL);
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pthread_mutex_lock(¬ify_app->mutex);
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if (!notify_app->got_app) {
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gap = start - current_time;
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if (gap >= 0 && gap <= DAYINSEC)
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update_notify = 1;
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} else if (start < notify_app->time && start >= current_time) {
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update_notify = 1;
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} else if (start == notify_app->time && state != notify_app->state)
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update_notify = 1;
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if (update_notify) {
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notify_app->got_app = 1;
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notify_app->time = start;
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notify_app->txt = mycpy(mesg);
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notify_app->state = state;
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}
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pthread_mutex_unlock(¬ify_app->mutex);
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notify_update_bar();
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}
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/* Check if the newly repeated appointment is to be notified. */
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void
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notify_check_repeated(recur_apoint_llist_node_t *i)
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{
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long real_app_time;
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int update_notify = 0;
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time_t current_time;
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current_time = time(NULL);
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pthread_mutex_lock(¬ify_app->mutex);
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if ((real_app_time = recur_item_inday(i->start, i->exc, i->rpt->type,
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i->rpt->freq, i->rpt->until, get_today()) > current_time)) {
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if (!notify_app->got_app) {
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if (real_app_time - current_time <= DAYINSEC)
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update_notify = 1;
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} else if (real_app_time < notify_app->time &&
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real_app_time >= current_time) {
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update_notify = 1;
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} else if (real_app_time == notify_app->time &&
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i->state != notify_app->state)
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update_notify = 1;
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}
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if (update_notify) {
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notify_app->got_app = 1;
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notify_app->time = real_app_time;
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notify_app->txt = mycpy(i->mesg);
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notify_app->state = i->state;
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}
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pthread_mutex_unlock(¬ify_app->mutex);
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notify_update_bar();
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}
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int
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notify_same_item(long time)
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{
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int same = 0;
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pthread_mutex_lock(&(notify_app->mutex));
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if (notify_app->got_app && notify_app->time == time)
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same = 1;
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pthread_mutex_unlock(&(notify_app->mutex));
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return same;
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}
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int
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notify_same_recur_item(recur_apoint_llist_node_t *i)
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{
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int same = 0;
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long item_start = 0;
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item_start = recur_item_inday(i->start, i->exc, i->rpt->type,
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i->rpt->freq, i->rpt->until, get_today());
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pthread_mutex_lock(¬ify_app->mutex);
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if (notify_app->got_app && item_start == notify_app->time)
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same = 1;
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pthread_mutex_unlock(&(notify_app->mutex));
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return same;
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}
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/* Launch the notify-bar main thread. */
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void
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notify_start_main_thread(void)
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{
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pthread_create(¬ify_t_main, NULL, notify_main_thread, NULL);
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notify_check_next_app();
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return;
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}
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/* Print options related to the notify-bar. */
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static void
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notify_print_options(WINDOW *win, int col)
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{
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enum {SHOW, DATE, CLOCK, WARN, CMD, NB_OPT};
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struct opt_s {
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char name[BUFSIZ];
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char desc[BUFSIZ];
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char value[BUFSIZ];
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} opt[NB_OPT];
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int i, y, x, l, x_pos, y_pos, x_offset, y_offset, maxcol, maxlen;
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char buf[BUFSIZ];
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x_pos = 3;
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x_offset = 4;
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y_pos = 4;
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y_offset = 3;
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maxcol = col - 2;
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strncpy(opt[SHOW].name, _("notify-bar_show = "), BUFSIZ);
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strncpy(opt[DATE].name, _("notify-bar_date = "), BUFSIZ);
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strncpy(opt[CLOCK].name, _("notify-bar_clock = "), BUFSIZ);
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strncpy(opt[WARN].name, _("notify-bar_warning = "), BUFSIZ);
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strncpy(opt[CMD].name, _("notify-bar_command = "), BUFSIZ);
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strncpy(opt[SHOW].desc,
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_("(if set to YES, notify-bar will be displayed)"),
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BUFSIZ);
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strncpy(opt[DATE].desc,
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_("(Format of the date to be displayed inside notify-bar)"),
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BUFSIZ);
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strncpy(opt[CLOCK].desc,
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_("(Format of the time to be displayed inside notify-bar)"),
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BUFSIZ);
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strncpy(opt[WARN].desc,
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_("(Warn user if an appointment is within next 'notify-bar_warning'"
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" seconds)"),
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BUFSIZ);
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strncpy(opt[CMD].desc,
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_("(Command used to notify user of an upcoming appointment)"),
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BUFSIZ);
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pthread_mutex_lock(&nbar->mutex);
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strncpy(opt[DATE].value, nbar->datefmt, BUFSIZ);
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strncpy(opt[CLOCK].value, nbar->timefmt, BUFSIZ);
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snprintf(opt[WARN].value, BUFSIZ, "%d", nbar->cntdwn);
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strncpy(opt[CMD].value, nbar->cmd, BUFSIZ);
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l = strlen(opt[SHOW].name);
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x = x_pos + x_offset + l;
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mvwprintw(win, y_pos, x_pos, "[1] %s", opt[SHOW].name);
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erase_window_part(win, x, y_pos, maxcol, y_pos);
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print_option_incolor(win, nbar->show, y_pos, x);
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mvwprintw(win, y_pos + 1, x_pos, opt[SHOW].desc);
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for (i = 1; i < NB_OPT; i++) {
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l = strlen(opt[i].name);
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y = y_pos + i * y_offset;
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x = x_pos + x_offset + l;
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maxlen = maxcol - x - 2;
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mvwprintw(win, y, x_pos, "[%d] %s", i + 1, opt[i].name);
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erase_window_part(win, x, y, maxcol, y);
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custom_apply_attr(win, ATTR_HIGHEST);
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if (strlen(opt[i].value) < maxlen)
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mvwprintw(win, y, x, "%s", opt[i].value);
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else {
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strncpy(buf, opt[i].value, maxlen - 1);
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buf[maxlen - 1] = '\0';
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mvwprintw(win, y, x, "%s...", buf);
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}
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custom_remove_attr(win, ATTR_HIGHEST);
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mvwprintw(win, y + 1, x_pos, opt[i].desc);
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}
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pthread_mutex_unlock(&nbar->mutex);
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wmove(swin, 1, 0);
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wnoutrefresh(win);
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doupdate();
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}
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/* Notify-bar configuration. */
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void
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notify_config_bar(void)
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{
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WINDOW *conf_win = 0L;
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char label[BUFSIZ];
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char *buf;
|
|
char *number_str =
|
|
_("Enter an option number to change its value [Q to quit] ");
|
|
char *date_str =
|
|
_("Enter the date format (see 'man 3 strftime' for possible formats) ");
|
|
char *time_str =
|
|
_("Enter the time format (see 'man 3 strftime' for possible formats) ");
|
|
char *count_str =
|
|
_("Enter the number of seconds (0 not to be warned before an appointment)");
|
|
char *cmd_str = _("Enter the notification command ");
|
|
int ch = 0 , win_row, change_win = 1;
|
|
|
|
buf = (char *)malloc(BUFSIZ);
|
|
win_row = (notify_bar()) ? row - 3 : row - 2;
|
|
snprintf(label, BUFSIZ,
|
|
_("CalCurse %s | notify-bar options"), VERSION);
|
|
|
|
while (ch != 'q') {
|
|
if (change_win) {
|
|
conf_win = newwin(win_row, col, 0, 0);
|
|
box(conf_win, 0, 0);
|
|
wins_show(conf_win, label);
|
|
}
|
|
status_mesg(number_str, "");
|
|
notify_print_options(conf_win, col);
|
|
*buf = '\0';
|
|
ch = wgetch(swin);
|
|
|
|
switch (ch) {
|
|
case '1':
|
|
pthread_mutex_lock(&nbar->mutex);
|
|
nbar->show = !nbar->show;
|
|
pthread_mutex_unlock(&nbar->mutex);
|
|
notify_stop_main_thread();
|
|
if (notify_bar()) {
|
|
notify_start_main_thread();
|
|
win_row = row - 3;
|
|
} else {
|
|
win_row = row - 2;
|
|
}
|
|
delwin(conf_win);
|
|
change_win = 1;
|
|
break;
|
|
case '2':
|
|
status_mesg(date_str, "");
|
|
pthread_mutex_lock(&nbar->mutex);
|
|
strncpy(buf, nbar->datefmt, strlen(nbar->datefmt) + 1);
|
|
pthread_mutex_unlock(&nbar->mutex);
|
|
if (updatestring(swin, &buf, 0, 1) == 0) {
|
|
pthread_mutex_lock(&nbar->mutex);
|
|
strncpy(nbar->datefmt, buf, strlen(buf) + 1);
|
|
pthread_mutex_unlock(&nbar->mutex);
|
|
}
|
|
change_win = 0;
|
|
break;
|
|
case '3':
|
|
status_mesg(time_str, "");
|
|
pthread_mutex_lock(&nbar->mutex);
|
|
strncpy(buf, nbar->timefmt, strlen(nbar->timefmt) + 1);
|
|
pthread_mutex_unlock(&nbar->mutex);
|
|
if (updatestring(swin, &buf, 0, 1) == 0) {
|
|
pthread_mutex_lock(&nbar->mutex);
|
|
strncpy(nbar->timefmt, buf, strlen(buf) + 1);
|
|
pthread_mutex_unlock(&nbar->mutex);
|
|
}
|
|
change_win = 0;
|
|
break;
|
|
case '4':
|
|
status_mesg(count_str, "");
|
|
pthread_mutex_lock(&nbar->mutex);
|
|
printf(buf, "%d", nbar->cntdwn);
|
|
pthread_mutex_unlock(&nbar->mutex);
|
|
if (updatestring(swin, &buf, 0, 1) == 0 &&
|
|
is_all_digit(buf) &&
|
|
atoi(buf) >= 0 && atoi(buf) <= DAYINSEC) {
|
|
pthread_mutex_lock(&nbar->mutex);
|
|
nbar->cntdwn = atoi(buf);
|
|
pthread_mutex_unlock(&nbar->mutex);
|
|
}
|
|
change_win = 0;
|
|
break;
|
|
case '5':
|
|
status_mesg(cmd_str, "");
|
|
pthread_mutex_lock(&nbar->mutex);
|
|
strncpy(buf, nbar->cmd, strlen(nbar->cmd) + 1);
|
|
pthread_mutex_unlock(&nbar->mutex);
|
|
if (updatestring(swin, &buf, 0, 1) == 0) {
|
|
pthread_mutex_lock(&nbar->mutex);
|
|
strncpy(nbar->cmd, buf, strlen(buf) + 1);
|
|
pthread_mutex_unlock(&nbar->mutex);
|
|
}
|
|
change_win = 0;
|
|
break;
|
|
}
|
|
}
|
|
free(buf);
|
|
delwin(conf_win);
|
|
}
|