tmux/control-notify.c

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/* $OpenBSD$ */
/*
* Copyright (c) 2012 Nicholas Marriott <nicm@users.sourceforge.net>
* 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 "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++)
evbuffer_add_printf(message, "%02hhx", 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;
u_int i;
const char *template;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
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;
template = "%layout-change #{window_id} #{window_layout}";
ft = format_create();
wl = winlink_find_by_window(&s->windows, w);
if (wl != NULL) {
format_winlink(ft, c->session, wl);
control_write(c, "%s", format_expand(ft, template));
}
format_free(ft);
}
}
void
control_notify_window_unlinked(unused struct session *s, struct window *w)
{
struct client *c;
struct session *cs;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
continue;
cs = c->session;
control_write(c, "%%window-close %u", w->id);
}
}
void
control_notify_window_linked(unused struct session *s, struct window *w)
{
struct client *c;
struct session *cs;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
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 *s;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
continue;
s = c->session;
control_write(c, "%%window-renamed %u %s", w->id, w->name);
}
}
void
control_notify_attached_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 %d %s", s->id, s->name);
}
void
control_notify_session_renamed(struct session *s)
{
struct client *c;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session != s)
continue;
control_write(c, "%%session-renamed %s", s->name);
}
}
void
control_notify_session_created(unused struct session *s)
{
struct client *c;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
continue;
control_write(c, "%%sessions-changed");
}
}
void
control_notify_session_close(unused struct session *s)
{
struct client *c;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
continue;
control_write(c, "%%sessions-changed");
}
}