| 1 |  |  | /* $OpenBSD: control-notify.c,v 1.21 2017/05/04 07:16:43 nicm Exp $ */ | 
    
    | 2 |  |  |  | 
    
    | 3 |  |  | /* | 
    
    | 4 |  |  |  * Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com> | 
    
    | 5 |  |  |  * Copyright (c) 2012 George Nachman <tmux@georgester.com> | 
    
    | 6 |  |  |  * | 
    
    | 7 |  |  |  * Permission to use, copy, modify, and distribute this software for any | 
    
    | 8 |  |  |  * purpose with or without fee is hereby granted, provided that the above | 
    
    | 9 |  |  |  * copyright notice and this permission notice appear in all copies. | 
    
    | 10 |  |  |  * | 
    
    | 11 |  |  |  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | 
    
    | 12 |  |  |  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | 
    
    | 13 |  |  |  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | 
    
    | 14 |  |  |  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | 
    
    | 15 |  |  |  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER | 
    
    | 16 |  |  |  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING | 
    
    | 17 |  |  |  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | 
    
    | 18 |  |  |  */ | 
    
    | 19 |  |  |  | 
    
    | 20 |  |  | #include <sys/types.h> | 
    
    | 21 |  |  |  | 
    
    | 22 |  |  | #include <stdlib.h> | 
    
    | 23 |  |  |  | 
    
    | 24 |  |  | #include "tmux.h" | 
    
    | 25 |  |  |  | 
    
    | 26 |  |  | #define CONTROL_SHOULD_NOTIFY_CLIENT(c) \ | 
    
    | 27 |  |  | 	((c) != NULL && ((c)->flags & CLIENT_CONTROL)) | 
    
    | 28 |  |  |  | 
    
    | 29 |  |  | void | 
    
    | 30 |  |  | control_notify_input(struct client *c, struct window_pane *wp, | 
    
    | 31 |  |  |     struct evbuffer *input) | 
    
    | 32 |  |  | { | 
    
    | 33 |  |  | 	u_char		*buf; | 
    
    | 34 |  |  | 	size_t		 len; | 
    
    | 35 |  |  | 	struct evbuffer *message; | 
    
    | 36 |  |  | 	u_int		 i; | 
    
    | 37 |  |  |  | 
    
    | 38 |  |  | 	if (c->session == NULL) | 
    
    | 39 |  |  | 	    return; | 
    
    | 40 |  |  |  | 
    
    | 41 |  |  | 	buf = EVBUFFER_DATA(input); | 
    
    | 42 |  |  | 	len = EVBUFFER_LENGTH(input); | 
    
    | 43 |  |  |  | 
    
    | 44 |  |  | 	/* | 
    
    | 45 |  |  | 	 * Only write input if the window pane is linked to a window belonging | 
    
    | 46 |  |  | 	 * to the client's session. | 
    
    | 47 |  |  | 	 */ | 
    
    | 48 |  |  | 	if (winlink_find_by_window(&c->session->windows, wp->window) != NULL) { | 
    
    | 49 |  |  | 		message = evbuffer_new(); | 
    
    | 50 |  |  | 		evbuffer_add_printf(message, "%%output %%%u ", wp->id); | 
    
    | 51 |  |  | 		for (i = 0; i < len; i++) { | 
    
    | 52 |  |  | 			if (buf[i] < ' ' || buf[i] == '\\') | 
    
    | 53 |  |  | 			    evbuffer_add_printf(message, "\\%03o", buf[i]); | 
    
    | 54 |  |  | 			else | 
    
    | 55 |  |  | 			    evbuffer_add_printf(message, "%c", buf[i]); | 
    
    | 56 |  |  | 		} | 
    
    | 57 |  |  | 		control_write_buffer(c, message); | 
    
    | 58 |  |  | 		evbuffer_free(message); | 
    
    | 59 |  |  | 	} | 
    
    | 60 |  |  | } | 
    
    | 61 |  |  |  | 
    
    | 62 |  |  | void | 
    
    | 63 |  |  | control_notify_pane_mode_changed(int pane) | 
    
    | 64 |  |  | { | 
    
    | 65 |  |  | 	struct client	*c; | 
    
    | 66 |  |  |  | 
    
    | 67 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 68 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) | 
    
    | 69 |  |  | 			continue; | 
    
    | 70 |  |  |  | 
    
    | 71 |  |  | 		control_write(c, "%%pane-mode-changed %%%u", pane); | 
    
    | 72 |  |  | 	} | 
    
    | 73 |  |  | } | 
    
    | 74 |  |  |  | 
    
    | 75 |  |  | void | 
    
    | 76 |  |  | control_notify_window_layout_changed(struct window *w) | 
    
    | 77 |  |  | { | 
    
    | 78 |  |  | 	struct client	*c; | 
    
    | 79 |  |  | 	struct session	*s; | 
    
    | 80 |  |  | 	struct winlink	*wl; | 
    
    | 81 |  |  | 	const char	*template; | 
    
    | 82 |  |  | 	char		*cp; | 
    
    | 83 |  |  |  | 
    
    | 84 |  |  | 	template = "%layout-change #{window_id} #{window_layout} " | 
    
    | 85 |  |  | 	    "#{window_visible_layout} #{window_flags}"; | 
    
    | 86 |  |  |  | 
    
    | 87 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 88 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) | 
    
    | 89 |  |  | 			continue; | 
    
    | 90 |  |  | 		s = c->session; | 
    
    | 91 |  |  |  | 
    
    | 92 |  |  | 		if (winlink_find_by_window_id(&s->windows, w->id) == NULL) | 
    
    | 93 |  |  | 			continue; | 
    
    | 94 |  |  |  | 
    
    | 95 |  |  | 		/* | 
    
    | 96 |  |  | 		 * When the last pane in a window is closed it won't have a | 
    
    | 97 |  |  | 		 * layout root and we don't need to inform the client about the | 
    
    | 98 |  |  | 		 * layout change because the whole window will go away soon. | 
    
    | 99 |  |  | 		 */ | 
    
    | 100 |  |  | 		if (w->layout_root == NULL) | 
    
    | 101 |  |  | 			continue; | 
    
    | 102 |  |  |  | 
    
    | 103 |  |  | 		wl = winlink_find_by_window(&s->windows, w); | 
    
    | 104 |  |  | 		if (wl != NULL) { | 
    
    | 105 |  |  | 			cp = format_single(NULL, template, c, NULL, wl, NULL); | 
    
    | 106 |  |  | 			control_write(c, "%s", cp); | 
    
    | 107 |  |  | 			free(cp); | 
    
    | 108 |  |  | 		} | 
    
    | 109 |  |  | 	} | 
    
    | 110 |  |  | } | 
    
    | 111 |  |  |  | 
    
    | 112 |  |  | void | 
    
    | 113 |  |  | control_notify_window_pane_changed(struct window *w) | 
    
    | 114 |  |  | { | 
    
    | 115 |  |  | 	struct client	*c; | 
    
    | 116 |  |  |  | 
    
    | 117 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 118 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) | 
    
    | 119 |  |  | 			continue; | 
    
    | 120 |  |  |  | 
    
    | 121 |  |  | 		control_write(c, "%%window-pane-changed @%u %%%u", w->id, | 
    
    | 122 |  |  | 		    w->active->id); | 
    
    | 123 |  |  | 	} | 
    
    | 124 |  |  | } | 
    
    | 125 |  |  |  | 
    
    | 126 |  |  | void | 
    
    | 127 |  |  | control_notify_window_unlinked(__unused struct session *s, struct window *w) | 
    
    | 128 |  |  | { | 
    
    | 129 |  |  | 	struct client	*c; | 
    
    | 130 |  |  | 	struct session	*cs; | 
    
    | 131 |  |  |  | 
    
    | 132 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 133 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) | 
    
    | 134 |  |  | 			continue; | 
    
    | 135 |  |  | 		cs = c->session; | 
    
    | 136 |  |  |  | 
    
    | 137 |  |  | 		if (winlink_find_by_window_id(&cs->windows, w->id) != NULL) | 
    
    | 138 |  |  | 			control_write(c, "%%window-close @%u", w->id); | 
    
    | 139 |  |  | 		else | 
    
    | 140 |  |  | 			control_write(c, "%%unlinked-window-close @%u", w->id); | 
    
    | 141 |  |  | 	} | 
    
    | 142 |  |  | } | 
    
    | 143 |  |  |  | 
    
    | 144 |  |  | void | 
    
    | 145 |  |  | control_notify_window_linked(__unused struct session *s, struct window *w) | 
    
    | 146 |  |  | { | 
    
    | 147 |  |  | 	struct client	*c; | 
    
    | 148 |  |  | 	struct session	*cs; | 
    
    | 149 |  |  |  | 
    
    | 150 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 151 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) | 
    
    | 152 |  |  | 			continue; | 
    
    | 153 |  |  | 		cs = c->session; | 
    
    | 154 |  |  |  | 
    
    | 155 |  |  | 		if (winlink_find_by_window_id(&cs->windows, w->id) != NULL) | 
    
    | 156 |  |  | 			control_write(c, "%%window-add @%u", w->id); | 
    
    | 157 |  |  | 		else | 
    
    | 158 |  |  | 			control_write(c, "%%unlinked-window-add @%u", w->id); | 
    
    | 159 |  |  | 	} | 
    
    | 160 |  |  | } | 
    
    | 161 |  |  |  | 
    
    | 162 |  |  | void | 
    
    | 163 |  |  | control_notify_window_renamed(struct window *w) | 
    
    | 164 |  |  | { | 
    
    | 165 |  |  | 	struct client	*c; | 
    
    | 166 |  |  | 	struct session	*cs; | 
    
    | 167 |  |  |  | 
    
    | 168 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 169 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) | 
    
    | 170 |  |  | 			continue; | 
    
    | 171 |  |  | 		cs = c->session; | 
    
    | 172 |  |  |  | 
    
    | 173 |  |  | 		if (winlink_find_by_window_id(&cs->windows, w->id) != NULL) { | 
    
    | 174 |  |  | 			control_write(c, "%%window-renamed @%u %s", w->id, | 
    
    | 175 |  |  | 			    w->name); | 
    
    | 176 |  |  | 		} else { | 
    
    | 177 |  |  | 			control_write(c, "%%unlinked-window-renamed @%u %s", | 
    
    | 178 |  |  | 			    w->id, w->name); | 
    
    | 179 |  |  | 		} | 
    
    | 180 |  |  | 	} | 
    
    | 181 |  |  | } | 
    
    | 182 |  |  |  | 
    
    | 183 |  |  | void | 
    
    | 184 |  |  | control_notify_client_session_changed(struct client *cc) | 
    
    | 185 |  |  | { | 
    
    | 186 |  |  | 	struct client	*c; | 
    
    | 187 |  |  | 	struct session	*s; | 
    
    | 188 |  |  |  | 
    
    | 189 |  |  | 	if (cc->session == NULL) | 
    
    | 190 |  |  | 		return; | 
    
    | 191 |  |  | 	s = cc->session; | 
    
    | 192 |  |  |  | 
    
    | 193 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 194 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) | 
    
    | 195 |  |  | 			continue; | 
    
    | 196 |  |  |  | 
    
    | 197 |  |  | 		if (cc == c) { | 
    
    | 198 |  |  | 			control_write(c, "%%session-changed $%u %s", s->id, | 
    
    | 199 |  |  | 			    s->name); | 
    
    | 200 |  |  | 		} else { | 
    
    | 201 |  |  | 			control_write(c, "%%client-session-changed %s $%u %s", | 
    
    | 202 |  |  | 			    cc->name, s->id, s->name); | 
    
    | 203 |  |  | 		} | 
    
    | 204 |  |  | 	} | 
    
    | 205 |  |  | } | 
    
    | 206 |  |  |  | 
    
    | 207 |  |  | void | 
    
    | 208 |  |  | control_notify_session_renamed(struct session *s) | 
    
    | 209 |  |  | { | 
    
    | 210 |  |  | 	struct client	*c; | 
    
    | 211 |  |  |  | 
    
    | 212 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 213 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) | 
    
    | 214 |  |  | 			continue; | 
    
    | 215 |  |  |  | 
    
    | 216 |  |  | 		control_write(c, "%%session-renamed $%u %s", s->id, s->name); | 
    
    | 217 |  |  | 	} | 
    
    | 218 |  |  | } | 
    
    | 219 |  |  |  | 
    
    | 220 |  |  | void | 
    
    | 221 |  |  | control_notify_session_created(__unused struct session *s) | 
    
    | 222 |  |  | { | 
    
    | 223 |  |  | 	struct client	*c; | 
    
    | 224 |  |  |  | 
    
    | 225 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 226 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) | 
    
    | 227 |  |  | 			continue; | 
    
    | 228 |  |  |  | 
    
    | 229 |  |  | 		control_write(c, "%%sessions-changed"); | 
    
    | 230 |  |  | 	} | 
    
    | 231 |  |  | } | 
    
    | 232 |  |  |  | 
    
    | 233 |  |  | void | 
    
    | 234 |  |  | control_notify_session_closed(__unused struct session *s) | 
    
    | 235 |  |  | { | 
    
    | 236 |  |  | 	struct client	*c; | 
    
    | 237 |  |  |  | 
    
    | 238 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 239 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) | 
    
    | 240 |  |  | 			continue; | 
    
    | 241 |  |  |  | 
    
    | 242 |  |  | 		control_write(c, "%%sessions-changed"); | 
    
    | 243 |  |  | 	} | 
    
    | 244 |  |  | } | 
    
    | 245 |  |  |  | 
    
    | 246 |  |  | void | 
    
    | 247 |  |  | control_notify_session_window_changed(struct session *s) | 
    
    | 248 |  |  | { | 
    
    | 249 |  |  | 	struct client	*c; | 
    
    | 250 |  |  |  | 
    
    | 251 |  |  | 	TAILQ_FOREACH(c, &clients, entry) { | 
    
    | 252 |  |  | 		if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) | 
    
    | 253 |  |  | 			continue; | 
    
    | 254 |  |  |  | 
    
    | 255 |  |  | 		control_write(c, "%%session-window-changed $%u @%u", s->id, | 
    
    | 256 |  |  | 		    s->curw->window->id); | 
    
    | 257 |  |  | 	} | 
    
    | 258 |  |  | } |