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/* $OpenBSD: alerts.c,v 1.3 2015/09/21 09:34:52 nicm Exp $ */
/*
* Copyright (c) 2015 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <event.h>
#include "tmux.h"
int alerts_fired;
void alerts_timer(int, short, void *);
int alerts_enabled(struct window *, int);
void alerts_callback(int, short, void *);
void alerts_reset(struct window *);
int alerts_check_bell(struct session *, struct winlink *);
int alerts_check_activity(struct session *, struct winlink *);
int alerts_check_silence(struct session *, struct winlink *);
void alerts_ring_bell(struct session *);
void
alerts_timer(unused int fd, unused short events, void *arg)
{
struct window *w = arg;
log_debug("@%u alerts timer expired", w->id);
alerts_reset(w);
alerts_queue(w, WINDOW_SILENCE);
}
void
alerts_callback(unused int fd, unused short events, unused void *arg)
{
struct window *w;
struct session *s;
struct winlink *wl;
int flags, alerts;
RB_FOREACH(w, windows, &windows) {
RB_FOREACH(s, sessions, &sessions) {
RB_FOREACH(wl, winlinks, &s->windows) {
if (wl->window != w)
continue;
flags = w->flags;
alerts = alerts_check_bell(s, wl);
alerts |= alerts_check_activity(s, wl);
alerts |= alerts_check_silence(s, wl);
if (alerts != 0)
server_status_session(s);
log_debug("%s:%d @%u alerts check, alerts %#x, "
"flags %#x", s->name, wl->idx, w->id,
alerts, flags);
}
}
}
alerts_fired = 0;
}
int
alerts_enabled(struct window *w, int flags)
{
struct session *s;
if (flags & WINDOW_ACTIVITY) {
if (options_get_number(&w->options, "monitor-activity"))
return (1);
}
if (flags & WINDOW_SILENCE) {
if (options_get_number(&w->options, "monitor-silence") != 0)
return (1);
}
if (~flags & WINDOW_BELL)
return (0);
RB_FOREACH(s, sessions, &sessions) {
if (!session_has(s, w))
continue;
if (options_get_number(&s->options, "bell-action") != BELL_NONE)
return (1);
}
return (0);
}
void
alerts_reset_all(void)
{
struct window *w;
RB_FOREACH(w, windows, &windows)
alerts_reset(w);
}
void
alerts_reset(struct window *w)
{
struct timeval tv;
w->flags &= ~WINDOW_SILENCE;
event_del(&w->alerts_timer);
timerclear(&tv);
tv.tv_sec = options_get_number(&w->options, "monitor-silence");
log_debug("@%u alerts timer reset %u", w->id, (u_int)tv.tv_sec);
if (tv.tv_sec != 0)
event_add(&w->alerts_timer, &tv);
}
void
alerts_queue(struct window *w, int flags)
{
if (w->flags & WINDOW_ACTIVITY)
alerts_reset(w);
if (!event_initialized(&w->alerts_timer))
evtimer_set(&w->alerts_timer, alerts_timer, w);
if (w->flags & flags)
return;
w->flags |= flags;
log_debug("@%u alerts flags added %#x", w->id, flags);
if (!alerts_fired && alerts_enabled(w, flags)) {
log_debug("alerts check queued (by @%u)", w->id);
event_once(-1, EV_TIMEOUT, alerts_callback, NULL, NULL);
alerts_fired = 1;
}
}
int
alerts_check_bell(struct session *s, struct winlink *wl)
{
struct client *c;
struct window *w = wl->window;
int action, visual;
if (!(w->flags & WINDOW_BELL) || wl->flags & WINLINK_BELL)
return (0);
if (s->curw != wl || s->flags & SESSION_UNATTACHED)
wl->flags |= WINLINK_BELL;
if (s->flags & SESSION_UNATTACHED)
return (0);
if (s->curw->window == w)
w->flags &= ~WINDOW_BELL;
action = options_get_number(&s->options, "bell-action");
if (action == BELL_NONE)
return (0);
visual = options_get_number(&s->options, "visual-bell");
TAILQ_FOREACH(c, &clients, entry) {
if (c->session != s || c->flags & CLIENT_CONTROL)
continue;
if (!visual) {
if ((action == BELL_CURRENT &&
c->session->curw->window == w) ||
(action == BELL_OTHER &&
c->session->curw->window != w) ||
action == BELL_ANY)
tty_putcode(&c->tty, TTYC_BEL);
continue;
}
if (action == BELL_CURRENT && c->session->curw->window == w)
status_message_set(c, "Bell in current window");
else if (action == BELL_ANY || (action == BELL_OTHER &&
c->session->curw->window != w))
status_message_set(c, "Bell in window %d", wl->idx);
}
return (WINDOW_BELL);
}
int
alerts_check_activity(struct session *s, struct winlink *wl)
{
struct client *c;
struct window *w = wl->window;
if (s->curw->window == w)
w->flags &= ~WINDOW_ACTIVITY;
if (!(w->flags & WINDOW_ACTIVITY) || wl->flags & WINLINK_ACTIVITY)
return (0);
if (s->curw == wl && !(s->flags & SESSION_UNATTACHED))
return (0);
if (!options_get_number(&w->options, "monitor-activity"))
return (0);
if (options_get_number(&s->options, "bell-on-alert"))
alerts_ring_bell(s);
wl->flags |= WINLINK_ACTIVITY;
if (options_get_number(&s->options, "visual-activity")) {
TAILQ_FOREACH(c, &clients, entry) {
if (c->session != s)
continue;
status_message_set(c, "Activity in window %d", wl->idx);
}
}
return (WINDOW_ACTIVITY);
}
int
alerts_check_silence(struct session *s, struct winlink *wl)
{
struct client *c;
struct window *w = wl->window;
if (s->curw->window == w)
w->flags &= ~WINDOW_SILENCE;
if (!(w->flags & WINDOW_SILENCE) || wl->flags & WINLINK_SILENCE)
return (0);
if (s->curw == wl && !(s->flags & SESSION_UNATTACHED))
return (0);
if (options_get_number(&w->options, "monitor-silence") == 0)
return (0);
if (options_get_number(&s->options, "bell-on-alert"))
alerts_ring_bell(s);
wl->flags |= WINLINK_SILENCE;
if (options_get_number(&s->options, "visual-silence")) {
TAILQ_FOREACH(c, &clients, entry) {
if (c->session != s)
continue;
status_message_set(c, "Silence in window %d", wl->idx);
}
}
return (WINDOW_SILENCE);
}
void
alerts_ring_bell(struct session *s)
{
struct client *c;
TAILQ_FOREACH(c, &clients, entry) {
if (c->session == s && !(c->flags & CLIENT_CONTROL))
tty_putcode(&c->tty, TTYC_BEL);
}
}
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