tmux/control-notify.c
2016-10-16 22:06:40 +00:00

210 lines
5.0 KiB
C

/* $OpenBSD$ */
/*
* 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,
struct evbuffer *input)
{
u_char *buf;
size_t len;
struct evbuffer *message;
u_int i;
if (c->session == NULL)
return;
buf = EVBUFFER_DATA(input);
len = EVBUFFER_LENGTH(input);
/*
* 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();
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]);
}
control_write_buffer(c, message);
evbuffer_free(message);
}
}
void
control_notify_window_layout_changed(struct window *w)
{
struct client *c;
struct session *s;
struct format_tree *ft;
struct winlink *wl;
const char *template;
char *expanded;
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;
ft = format_create(NULL, 0);
wl = winlink_find_by_window(&s->windows, w);
if (wl != NULL) {
format_defaults(ft, c, NULL, wl, NULL);
expanded = format_expand(ft, template);
control_write(c, "%s", expanded);
free(expanded);
}
format_free(ft);
}
}
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 *c)
{
struct session *s;
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
return;
s = c->session;
control_write(c, "%%session-changed $%u %s", 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");
}
}