1 /* $OpenBSD$ */ 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 u_int i; 103 104 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 105 c = ARRAY_ITEM(&clients, i); 106 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) 107 continue; 108 109 control_write(c, "%%window-close @%u", w->id); 110 } 111 } 112 113 void 114 control_notify_window_linked(unused struct session *s, struct window *w) 115 { 116 struct client *c; 117 struct session *cs; 118 u_int i; 119 120 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 121 c = ARRAY_ITEM(&clients, i); 122 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) 123 continue; 124 cs = c->session; 125 126 if (winlink_find_by_window_id(&cs->windows, w->id) != NULL) 127 control_write(c, "%%window-add @%u", w->id); 128 else 129 control_write(c, "%%unlinked-window-add @%u", w->id); 130 } 131 } 132 133 void 134 control_notify_window_renamed(struct window *w) 135 { 136 struct client *c; 137 u_int i; 138 139 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 140 c = ARRAY_ITEM(&clients, i); 141 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) 142 continue; 143 144 control_write(c, "%%window-renamed @%u %s", w->id, w->name); 145 } 146 } 147 148 void 149 control_notify_attached_session_changed(struct client *c) 150 { 151 struct session *s; 152 153 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL) 154 return; 155 s = c->session; 156 157 control_write(c, "%%session-changed $%u %s", s->id, s->name); 158 } 159 160 void 161 control_notify_session_renamed(struct session *s) 162 { 163 struct client *c; 164 u_int i; 165 166 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 167 c = ARRAY_ITEM(&clients, i); 168 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) 169 continue; 170 171 control_write(c, "%%session-renamed $%u %s", s->id, s->name); 172 } 173 } 174 175 void 176 control_notify_session_created(unused struct session *s) 177 { 178 struct client *c; 179 u_int i; 180 181 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 182 c = ARRAY_ITEM(&clients, i); 183 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) 184 continue; 185 186 control_write(c, "%%sessions-changed"); 187 } 188 } 189 190 void 191 control_notify_session_close(unused struct session *s) 192 { 193 struct client *c; 194 u_int i; 195 196 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 197 c = ARRAY_ITEM(&clients, i); 198 if (!CONTROL_SHOULD_NOTIFY_CLIENT(c)) 199 continue; 200 201 control_write(c, "%%sessions-changed"); 202 } 203 } 204