File: control-notify.c

package info (click to toggle)
tmate 2.4.0-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 2,560 kB
  • sloc: ansic: 38,233; awk: 339; makefile: 252; sh: 44; perl: 41
file content (209 lines) | stat: -rw-r--r-- 5,127 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
/* $OpenBSD$ */

/*
 * 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_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 $%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_close(__unused struct session *s)
{
	struct client	*c;

	TAILQ_FOREACH(c, &clients, entry) {
		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
			continue;

		control_write(c, "%%sessions-changed");
	}
}