1 /* $OpenBSD$ */ 2 3 /* 4 * Copyright (c) 2012 George Nachman <tmux@georgester.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <stdlib.h> 22 #include <string.h> 23 24 #include "tmux.h" 25 26 struct notify_entry { 27 const char *name; 28 29 struct client *client; 30 struct session *session; 31 struct window *window; 32 int pane; 33 34 struct cmd_find_state fs; 35 }; 36 37 static void 38 notify_hook_formats(struct cmdq_item *item, struct session *s, struct window *w, 39 int pane) 40 { 41 if (s != NULL) { 42 cmdq_format(item, "hook_session", "$%u", s->id); 43 cmdq_format(item, "hook_session_name", "%s", s->name); 44 } 45 if (w != NULL) { 46 cmdq_format(item, "hook_window", "@%u", w->id); 47 cmdq_format(item, "hook_window_name", "%s", w->name); 48 } 49 if (pane != -1) 50 cmdq_format(item, "hook_pane", "%%%d", pane); 51 } 52 53 static void 54 notify_insert_hook(struct cmdq_item *item, struct notify_entry *ne) 55 { 56 struct cmd_find_state fs; 57 struct options *oo; 58 struct cmdq_item *new_item; 59 struct session *s = ne->session; 60 struct window *w = ne->window; 61 struct options_entry *o; 62 struct options_array_item *a; 63 struct cmd_list *cmdlist; 64 65 log_debug("%s: %s", __func__, ne->name); 66 67 cmd_find_clear_state(&fs, 0); 68 if (cmd_find_empty_state(&ne->fs) || !cmd_find_valid_state(&ne->fs)) 69 cmd_find_from_nothing(&fs, 0); 70 else 71 cmd_find_copy_state(&fs, &ne->fs); 72 73 if (fs.s == NULL) 74 oo = global_s_options; 75 else 76 oo = fs.s->options; 77 o = options_get(oo, ne->name); 78 if (o == NULL) 79 return; 80 81 a = options_array_first(o); 82 while (a != NULL) { 83 cmdlist = options_array_item_value(a)->cmdlist; 84 if (cmdlist == NULL) { 85 a = options_array_next(a); 86 continue; 87 } 88 89 new_item = cmdq_get_command(cmdlist, &fs, NULL, CMDQ_NOHOOKS); 90 cmdq_format(new_item, "hook", "%s", ne->name); 91 notify_hook_formats(new_item, s, w, ne->pane); 92 item = cmdq_insert_after(item, new_item); 93 94 a = options_array_next(a); 95 } 96 } 97 98 static enum cmd_retval 99 notify_callback(struct cmdq_item *item, void *data) 100 { 101 struct notify_entry *ne = data; 102 103 log_debug("%s: %s", __func__, ne->name); 104 105 if (strcmp(ne->name, "pane-mode-changed") == 0) 106 control_notify_pane_mode_changed(ne->pane); 107 if (strcmp(ne->name, "window-layout-changed") == 0) 108 control_notify_window_layout_changed(ne->window); 109 if (strcmp(ne->name, "window-pane-changed") == 0) 110 control_notify_window_pane_changed(ne->window); 111 if (strcmp(ne->name, "window-unlinked") == 0) 112 control_notify_window_unlinked(ne->session, ne->window); 113 if (strcmp(ne->name, "window-linked") == 0) 114 control_notify_window_linked(ne->session, ne->window); 115 if (strcmp(ne->name, "window-renamed") == 0) 116 control_notify_window_renamed(ne->window); 117 if (strcmp(ne->name, "client-session-changed") == 0) 118 control_notify_client_session_changed(ne->client); 119 if (strcmp(ne->name, "session-renamed") == 0) 120 control_notify_session_renamed(ne->session); 121 if (strcmp(ne->name, "session-created") == 0) 122 control_notify_session_created(ne->session); 123 if (strcmp(ne->name, "session-closed") == 0) 124 control_notify_session_closed(ne->session); 125 if (strcmp(ne->name, "session-window-changed") == 0) 126 control_notify_session_window_changed(ne->session); 127 128 notify_insert_hook(item, ne); 129 130 if (ne->client != NULL) 131 server_client_unref(ne->client); 132 if (ne->session != NULL) 133 session_remove_ref(ne->session, __func__); 134 if (ne->window != NULL) 135 window_remove_ref(ne->window, __func__); 136 137 if (ne->fs.s != NULL) 138 session_remove_ref(ne->fs.s, __func__); 139 140 free(__UNCONST(ne->name)); 141 free(ne); 142 143 return (CMD_RETURN_NORMAL); 144 } 145 146 static void 147 notify_add(const char *name, struct cmd_find_state *fs, struct client *c, 148 struct session *s, struct window *w, struct window_pane *wp) 149 { 150 struct notify_entry *ne; 151 struct cmdq_item *new_item; 152 153 ne = xcalloc(1, sizeof *ne); 154 ne->name = xstrdup(name); 155 156 ne->client = c; 157 ne->session = s; 158 ne->window = w; 159 160 if (wp != NULL) 161 ne->pane = wp->id; 162 else 163 ne->pane = -1; 164 165 if (c != NULL) 166 c->references++; 167 if (s != NULL) 168 session_add_ref(s, __func__); 169 if (w != NULL) 170 window_add_ref(w, __func__); 171 172 cmd_find_copy_state(&ne->fs, fs); 173 if (ne->fs.s != NULL) /* cmd_find_valid_state needs session */ 174 session_add_ref(ne->fs.s, __func__); 175 176 new_item = cmdq_get_callback(notify_callback, ne); 177 cmdq_append(NULL, new_item); 178 } 179 180 void 181 notify_hook(struct cmdq_item *item, const char *name) 182 { 183 struct notify_entry ne; 184 185 memset(&ne, 0, sizeof ne); 186 187 ne.name = name; 188 cmd_find_copy_state(&ne.fs, &item->target); 189 190 ne.client = item->client; 191 ne.session = item->target.s; 192 ne.window = item->target.w; 193 ne.pane = item->target.wp->id; 194 195 notify_insert_hook(item, &ne); 196 } 197 198 void 199 notify_input(struct window_pane *wp, const u_char *buf, size_t len) 200 { 201 struct client *c; 202 203 TAILQ_FOREACH(c, &clients, entry) { 204 if (c->flags & CLIENT_CONTROL) 205 control_notify_input(c, wp, buf, len); 206 } 207 } 208 209 void 210 notify_client(const char *name, struct client *c) 211 { 212 struct cmd_find_state fs; 213 214 cmd_find_from_client(&fs, c, 0); 215 notify_add(name, &fs, c, NULL, NULL, NULL); 216 } 217 218 void 219 notify_session(const char *name, struct session *s) 220 { 221 struct cmd_find_state fs; 222 223 if (session_alive(s)) 224 cmd_find_from_session(&fs, s, 0); 225 else 226 cmd_find_from_nothing(&fs, 0); 227 notify_add(name, &fs, NULL, s, NULL, NULL); 228 } 229 230 void 231 notify_winlink(const char *name, struct winlink *wl) 232 { 233 struct cmd_find_state fs; 234 235 cmd_find_from_winlink(&fs, wl, 0); 236 notify_add(name, &fs, NULL, wl->session, wl->window, NULL); 237 } 238 239 void 240 notify_session_window(const char *name, struct session *s, struct window *w) 241 { 242 struct cmd_find_state fs; 243 244 cmd_find_from_session_window(&fs, s, w, 0); 245 notify_add(name, &fs, NULL, s, w, NULL); 246 } 247 248 void 249 notify_window(const char *name, struct window *w) 250 { 251 struct cmd_find_state fs; 252 253 cmd_find_from_window(&fs, w, 0); 254 notify_add(name, &fs, NULL, NULL, w, NULL); 255 } 256 257 void 258 notify_pane(const char *name, struct window_pane *wp) 259 { 260 struct cmd_find_state fs; 261 262 cmd_find_from_pane(&fs, wp, 0); 263 notify_add(name, &fs, NULL, NULL, NULL, wp); 264 } 265