1 /* $OpenBSD: control-notify.c,v 1.7 2013/03/25 11:40:54 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2012 Nicholas Marriott <nicm@users.sourceforge.net> 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 "tmux.h" 23 24 #define CONTROL_SHOULD_NOTIFY_CLIENT(c) \ 25 ((c) != NULL && ((c)->flags & CLIENT_CONTROL)) 26 27 void 28 control_notify_input(struct client *c, struct window_pane *wp, 29 struct evbuffer *input) 30 { 31 u_char *buf; 32 size_t len; 33 struct evbuffer *message; 34 u_int i; 35 36 if (c->session == NULL) 37 return; 38 39 buf = EVBUFFER_DATA(input); 40 len = EVBUFFER_LENGTH(input); 41 42 /* 43 * Only write input if the window pane is linked to a window belonging 44 * to the client's session. 45 */ 46 if (winlink_find_by_window(&c->session->windows, wp->window) != NULL) { 47 message = evbuffer_new(); 48 evbuffer_add_printf(message, "%%output %%%u ", wp->id); 49 for (i = 0; i < len; i++) { 50 if (buf[i] < ' ' || buf[i] == '\\') 51 evbuffer_add_printf(message, "\\%03o", buf[i]); 52 else 53 evbuffer_add_printf(message, "%c", buf[i]); 54 } 55 control_write_buffer(c, message); 56 evbuffer_free(message); 57 } 58 } 59 60 void 61 control_notify_window_layout_changed(struct window *w) 62 { 63 struct client *c; 64 struct session *s; 65 struct format_tree *ft; 66 struct winlink *wl; 67 u_int i; 68 const char *template; 69 70 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 71 c = ARRAY_ITEM(&clients, i); 72 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) 73 continue; 74 s = c->session; 75 76 if (winlink_find_by_window_id(&s->windows, w->id) == NULL) 77 continue; 78 79 /* 80 * When the last pane in a window is closed it won't have a 81 * layout root and we don't need to inform the client about the 82 * layout change because the whole window will go away soon. 83 */ 84 if (w->layout_root == NULL) 85 continue; 86 template = "%layout-change #{window_id} #{window_layout}"; 87 88 ft = format_create(); 89 wl = winlink_find_by_window(&s->windows, w); 90 if (wl != NULL) { 91 format_winlink(ft, c->session, wl); 92 control_write(c, "%s", format_expand(ft, template)); 93 } 94 format_free(ft); 95 } 96 } 97 98 void 99 control_notify_window_unlinked(unused struct session *s, struct window *w) 100 { 101 struct client *c; 102 struct session *cs; 103 u_int i; 104 105 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 106 c = ARRAY_ITEM(&clients, i); 107 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) 108 continue; 109 cs = c->session; 110 111 control_write(c, "%%window-close @%u", w->id); 112 } 113 } 114 115 void 116 control_notify_window_linked(unused struct session *s, struct window *w) 117 { 118 struct client *c; 119 struct session *cs; 120 u_int i; 121 122 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 123 c = ARRAY_ITEM(&clients, i); 124 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) 125 continue; 126 cs = c->session; 127 128 if (winlink_find_by_window_id(&cs->windows, w->id) != NULL) 129 control_write(c, "%%window-add @%u", w->id); 130 else 131 control_write(c, "%%unlinked-window-add @%u", w->id); 132 } 133 } 134 135 void 136 control_notify_window_renamed(struct window *w) 137 { 138 struct client *c; 139 struct session *s; 140 u_int i; 141 142 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 143 c = ARRAY_ITEM(&clients, i); 144 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) 145 continue; 146 s = c->session; 147 148 control_write(c, "%%window-renamed @%u %s", w->id, w->name); 149 } 150 } 151 152 void 153 control_notify_attached_session_changed(struct client *c) 154 { 155 struct session *s; 156 157 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) 158 return; 159 s = c->session; 160 161 control_write(c, "%%session-changed $%u %s", s->id, s->name); 162 } 163 164 void 165 control_notify_session_renamed(struct session *s) 166 { 167 struct client *c; 168 u_int i; 169 170 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 171 c = ARRAY_ITEM(&clients, i); 172 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) 173 continue; 174 175 control_write(c, "%%session-renamed $%u %s", s->id, s->name); 176 } 177 } 178 179 void 180 control_notify_session_created(unused struct session *s) 181 { 182 struct client *c; 183 u_int i; 184 185 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 186 c = ARRAY_ITEM(&clients, i); 187 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) 188 continue; 189 190 control_write(c, "%%sessions-changed"); 191 } 192 } 193 194 void 195 control_notify_session_close(unused struct session *s) 196 { 197 struct client *c; 198 u_int i; 199 200 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 201 c = ARRAY_ITEM(&clients, i); 202 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) 203 continue; 204 205 control_write(c, "%%sessions-changed"); 206 } 207 } 208