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/* $OpenBSD: control-notify.c,v 1.26 2020/03/16 09:12:44 nicm Exp $ */
/*
* Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
* Copyright (c) 2012 George Nachman <tmux@georgester.com>
*
* 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 <stdlib.h>
#include "tmux.h"
#define CONTROL_SHOULD_NOTIFY_CLIENT(c) \
((c) != NULL && ((c)->flags & CLIENT_CONTROL))
void
control_notify_input(struct client *c, struct window_pane *wp,
const u_char *buf, size_t len)
{
struct evbuffer *message;
u_int i;
if (c->session == NULL)
return;
if (c->flags & CLIENT_CONTROL_NOOUTPUT)
return;
/*
* Only write input if the window pane is linked to a window belonging
* to the client's session.
*/
if (winlink_find_by_window(&c->session->windows, wp->window) != NULL) {
message = evbuffer_new();
if (message == NULL)
fatalx("out of memory");
evbuffer_add_printf(message, "%%output %%%u ", wp->id);
for (i = 0; i < len; i++) {
if (buf[i] < ' ' || buf[i] == '\\')
evbuffer_add_printf(message, "\\%03o", buf[i]);
else
evbuffer_add_printf(message, "%c", buf[i]);
}
evbuffer_add(message, "", 1);
control_write(c, "%s", EVBUFFER_DATA(message));
evbuffer_free(message);
}
}
void
control_notify_pane_mode_changed(int pane)
{
struct client *c;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
continue;
control_write(c, "%%pane-mode-changed %%%u", pane);
}
}
void
control_notify_window_layout_changed(struct window *w)
{
struct client *c;
struct session *s;
struct winlink *wl;
const char *template;
char *cp;
template = "%layout-change #{window_id} #{window_layout} "
"#{window_visible_layout} #{window_flags}";
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
continue;
s = c->session;
if (winlink_find_by_window_id(&s->windows, w->id) == NULL)
continue;
/*
* When the last pane in a window is closed it won't have a
* layout root and we don't need to inform the client about the
* layout change because the whole window will go away soon.
*/
if (w->layout_root == NULL)
continue;
wl = winlink_find_by_window(&s->windows, w);
if (wl != NULL) {
cp = format_single(NULL, template, c, NULL, wl, NULL);
control_write(c, "%s", cp);
free(cp);
}
}
}
void
control_notify_window_pane_changed(struct window *w)
{
struct client *c;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
continue;
control_write(c, "%%window-pane-changed @%u %%%u", w->id,
w->active->id);
}
}
void
control_notify_window_unlinked(__unused struct session *s, struct window *w)
{
struct client *c;
struct session *cs;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
continue;
cs = c->session;
if (winlink_find_by_window_id(&cs->windows, w->id) != NULL)
control_write(c, "%%window-close @%u", w->id);
else
control_write(c, "%%unlinked-window-close @%u", w->id);
}
}
void
control_notify_window_linked(__unused struct session *s, struct window *w)
{
struct client *c;
struct session *cs;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
continue;
cs = c->session;
if (winlink_find_by_window_id(&cs->windows, w->id) != NULL)
control_write(c, "%%window-add @%u", w->id);
else
control_write(c, "%%unlinked-window-add @%u", w->id);
}
}
void
control_notify_window_renamed(struct window *w)
{
struct client *c;
struct session *cs;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
continue;
cs = c->session;
if (winlink_find_by_window_id(&cs->windows, w->id) != NULL) {
control_write(c, "%%window-renamed @%u %s", w->id,
w->name);
} else {
control_write(c, "%%unlinked-window-renamed @%u %s",
w->id, w->name);
}
}
}
void
control_notify_client_session_changed(struct client *cc)
{
struct client *c;
struct session *s;
if (cc->session == NULL)
return;
s = cc->session;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
continue;
if (cc == c) {
control_write(c, "%%session-changed $%u %s", s->id,
s->name);
} else {
control_write(c, "%%client-session-changed %s $%u %s",
cc->name, s->id, s->name);
}
}
}
void
control_notify_session_renamed(struct session *s)
{
struct client *c;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
continue;
control_write(c, "%%session-renamed $%u %s", s->id, s->name);
}
}
void
control_notify_session_created(__unused struct session *s)
{
struct client *c;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
continue;
control_write(c, "%%sessions-changed");
}
}
void
control_notify_session_closed(__unused struct session *s)
{
struct client *c;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
continue;
control_write(c, "%%sessions-changed");
}
}
void
control_notify_session_window_changed(struct session *s)
{
struct client *c;
TAILQ_FOREACH(c, &clients, entry) {
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
continue;
control_write(c, "%%session-window-changed $%u @%u", s->id,
s->curw->window->id);
}
}
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