/*
* Calcurse - text-based organizer
*
* Copyright (c) 2004-2022 calcurse Development Team <misc@calcurse.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Send your feedback or comments to : misc@calcurse.org
* Calcurse home page : http://calcurse.org
*
*/
#include "calcurse.h"
/*
* A queue for calcurse system messages.
*/
llist_t sysqueue;
static pthread_mutex_t que_mutex = PTHREAD_MUTEX_INITIALIZER;
void que_init(void)
{
LLIST_INIT(&sysqueue);
}
/*
* Test for queued system events.
*/
int que_ued(void)
{
return sysqueue.head ? 1 : 0;
}
/*
* Insert a system event at the tail of the queue.
*/
struct event *que_ins(char *mesg, time_t time, int id)
{
struct event *ev;
ev = mem_malloc(sizeof(struct event));
ev->mesg = mem_strdup(mesg);
ev->day = time;
ev->id = id;
ev->note = NULL;
pthread_mutex_lock(&que_mutex);
LLIST_ADD(&sysqueue, ev);
pthread_mutex_unlock(&que_mutex);
return ev;
}
/*
* Get the system event at the head of the queue.
*/
struct event *que_get(void)
{
return sysqueue.head ? sysqueue.head->data : NULL;
}
/*
* Remove the system event at the head of the queue.
*/
void que_rem(void)
{
struct event *ev;
if (!sysqueue.head)
return;
ev = sysqueue.head->data;
pthread_mutex_lock(&que_mutex);
LLIST_REMOVE(&sysqueue, sysqueue.head);
pthread_mutex_unlock(&que_mutex);
mem_free(ev->mesg);
mem_free(ev);
}
/*
* Display the system event at the head of the queue in a popup window.
*/
void que_show(void)
{
struct event *ev;
char *date;
if (!que_ued())
return;
ev = que_get();
date = date_sec2date_str(ev->day, "%F %T");
item_in_popup(date, "", ev->mesg, _("System event"));
mem_free(date);
}
/*
* Save the system event at the head of the queue as an appointment.
*/
void que_save(void)
{
struct event *ev;
if (!que_ued())
return;
ev = que_get();
apoint_new(ev->mesg, NULL, ev->day, 0, APOINT_NULL);
io_set_modified();
}
