1 /* $OpenBSD$ */ 2 3 /* 4 * Copyright (c) 2012 George Nachman <tmux (at) 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 struct cmd_find_state fs; 29 struct format_tree *formats; 30 31 struct client *client; 32 struct session *session; 33 struct window *window; 34 int pane; 35 const char *pbname; 36 }; 37 38 static struct cmdq_item * 39 notify_insert_one_hook(struct cmdq_item *item, struct notify_entry *ne, 40 struct cmd_list *cmdlist, struct cmdq_state *state) 41 { 42 struct cmdq_item *new_item; 43 char *s; 44 45 if (cmdlist == NULL) 46 return (item); 47 if (log_get_level() != 0) { 48 s = cmd_list_print(cmdlist, 0); 49 log_debug("%s: hook %s is: %s", __func__, ne->name, s); 50 free(s); 51 } 52 new_item = cmdq_get_command(cmdlist, state); 53 return (cmdq_insert_after(item, new_item)); 54 } 55 56 static void 57 notify_insert_hook(struct cmdq_item *item, struct notify_entry *ne) 58 { 59 struct cmd_find_state fs; 60 struct options *oo; 61 struct cmdq_state *state; 62 struct options_entry *o; 63 struct options_array_item *a; 64 struct cmd_list *cmdlist; 65 const char *value; 66 struct cmd_parse_result *pr; 67 68 log_debug("%s: inserting hook %s", __func__, ne->name); 69 70 cmd_find_clear_state(&fs, 0); 71 if (cmd_find_empty_state(&ne->fs) || !cmd_find_valid_state(&ne->fs)) 72 cmd_find_from_nothing(&fs, 0); 73 else 74 cmd_find_copy_state(&fs, &ne->fs); 75 76 if (fs.s == NULL) 77 oo = global_s_options; 78 else 79 oo = fs.s->options; 80 o = options_get(oo, ne->name); 81 if (o == NULL && fs.wp != NULL) { 82 oo = fs.wp->options; 83 o = options_get(oo, ne->name); 84 } 85 if (o == NULL && fs.wl != NULL) { 86 oo = fs.wl->window->options; 87 o = options_get(oo, ne->name); 88 } 89 if (o == NULL) { 90 log_debug("%s: hook %s not found", __func__, ne->name); 91 return; 92 } 93 94 state = cmdq_new_state(&fs, NULL, CMDQ_STATE_NOHOOKS); 95 cmdq_add_formats(state, ne->formats); 96 97 if (*ne->name == '@') { 98 value = options_get_string(oo, ne->name); 99 pr = cmd_parse_from_string(value, NULL); 100 switch (pr->status) { 101 case CMD_PARSE_ERROR: 102 log_debug("%s: can't parse hook %s: %s", __func__, 103 ne->name, pr->error); 104 free(pr->error); 105 break; 106 case CMD_PARSE_SUCCESS: 107 notify_insert_one_hook(item, ne, pr->cmdlist, state); 108 break; 109 } 110 } else { 111 a = options_array_first(o); 112 while (a != NULL) { 113 cmdlist = options_array_item_value(a)->cmdlist; 114 item = notify_insert_one_hook(item, ne, cmdlist, state); 115 a = options_array_next(a); 116 } 117 } 118 119 cmdq_free_state(state); 120 } 121 122 static enum cmd_retval 123 notify_callback(struct cmdq_item *item, void *data) 124 { 125 struct notify_entry *ne = data; 126 127 log_debug("%s: %s", __func__, ne->name); 128 129 if (strcmp(ne->name, "pane-mode-changed") == 0) 130 control_notify_pane_mode_changed(ne->pane); 131 if (strcmp(ne->name, "window-layout-changed") == 0) 132 control_notify_window_layout_changed(ne->window); 133 if (strcmp(ne->name, "window-pane-changed") == 0) 134 control_notify_window_pane_changed(ne->window); 135 if (strcmp(ne->name, "window-unlinked") == 0) 136 control_notify_window_unlinked(ne->session, ne->window); 137 if (strcmp(ne->name, "window-linked") == 0) 138 control_notify_window_linked(ne->session, ne->window); 139 if (strcmp(ne->name, "window-renamed") == 0) 140 control_notify_window_renamed(ne->window); 141 if (strcmp(ne->name, "client-session-changed") == 0) 142 control_notify_client_session_changed(ne->client); 143 if (strcmp(ne->name, "client-detached") == 0) 144 control_notify_client_detached(ne->client); 145 if (strcmp(ne->name, "session-renamed") == 0) 146 control_notify_session_renamed(ne->session); 147 if (strcmp(ne->name, "session-created") == 0) 148 control_notify_session_created(ne->session); 149 if (strcmp(ne->name, "session-closed") == 0) 150 control_notify_session_closed(ne->session); 151 if (strcmp(ne->name, "session-window-changed") == 0) 152 control_notify_session_window_changed(ne->session); 153 if (strcmp(ne->name, "paste-buffer-changed") == 0) 154 control_notify_paste_buffer_changed(ne->pbname); 155 if (strcmp(ne->name, "paste-buffer-deleted") == 0) 156 control_notify_paste_buffer_deleted(ne->pbname); 157 158 notify_insert_hook(item, ne); 159 160 if (ne->client != NULL) 161 server_client_unref(ne->client); 162 if (ne->session != NULL) 163 session_remove_ref(ne->session, __func__); 164 if (ne->window != NULL) 165 window_remove_ref(ne->window, __func__); 166 167 if (ne->fs.s != NULL) 168 session_remove_ref(ne->fs.s, __func__); 169 170 format_free(ne->formats); 171 free(__UNCONST(ne->name)); 172 free(__UNCONST(ne->pbname)); 173 free(ne); 174 175 return (CMD_RETURN_NORMAL); 176 } 177 178 static void 179 notify_add(const char *name, struct cmd_find_state *fs, struct client *c, 180 struct session *s, struct window *w, struct window_pane *wp, 181 const char *pbname) 182 { 183 struct notify_entry *ne; 184 struct cmdq_item *item; 185 186 item = cmdq_running(NULL); 187 if (item != NULL && (cmdq_get_flags(item) & CMDQ_STATE_NOHOOKS)) 188 return; 189 190 ne = xcalloc(1, sizeof *ne); 191 ne->name = xstrdup(name); 192 193 ne->client = c; 194 ne->session = s; 195 ne->window = w; 196 ne->pane = (wp != NULL ? (int)wp->id : -1); 197 ne->pbname = (pbname != NULL ? xstrdup(pbname) : NULL); 198 199 ne->formats = format_create(NULL, NULL, 0, FORMAT_NOJOBS); 200 format_add(ne->formats, "hook", "%s", name); 201 if (c != NULL) 202 format_add(ne->formats, "hook_client", "%s", c->name); 203 if (s != NULL) { 204 format_add(ne->formats, "hook_session", "$%u", s->id); 205 format_add(ne->formats, "hook_session_name", "%s", s->name); 206 } 207 if (w != NULL) { 208 format_add(ne->formats, "hook_window", "@%u", w->id); 209 format_add(ne->formats, "hook_window_name", "%s", w->name); 210 } 211 if (wp != NULL) 212 format_add(ne->formats, "hook_pane", "%%%d", wp->id); 213 format_log_debug(ne->formats, __func__); 214 215 if (c != NULL) 216 c->references++; 217 if (s != NULL) 218 session_add_ref(s, __func__); 219 if (w != NULL) 220 window_add_ref(w, __func__); 221 222 cmd_find_copy_state(&ne->fs, fs); 223 if (ne->fs.s != NULL) /* cmd_find_valid_state needs session */ 224 session_add_ref(ne->fs.s, __func__); 225 226 cmdq_append(NULL, cmdq_get_callback(notify_callback, ne)); 227 } 228 229 void 230 notify_hook(struct cmdq_item *item, const char *name) 231 { 232 struct cmd_find_state *target = cmdq_get_target(item); 233 struct notify_entry ne; 234 235 memset(&ne, 0, sizeof ne); 236 237 ne.name = name; 238 cmd_find_copy_state(&ne.fs, target); 239 240 ne.client = cmdq_get_client(item); 241 ne.session = target->s; 242 ne.window = target->w; 243 ne.pane = (target->wp != NULL ? (int)target->wp->id : -1); 244 245 ne.formats = format_create(NULL, NULL, 0, FORMAT_NOJOBS); 246 format_add(ne.formats, "hook", "%s", name); 247 format_log_debug(ne.formats, __func__); 248 249 notify_insert_hook(item, &ne); 250 format_free(ne.formats); 251 } 252 253 void 254 notify_client(const char *name, struct client *c) 255 { 256 struct cmd_find_state fs; 257 258 cmd_find_from_client(&fs, c, 0); 259 notify_add(name, &fs, c, NULL, NULL, NULL, NULL); 260 } 261 262 void 263 notify_session(const char *name, struct session *s) 264 { 265 struct cmd_find_state fs; 266 267 if (session_alive(s)) 268 cmd_find_from_session(&fs, s, 0); 269 else 270 cmd_find_from_nothing(&fs, 0); 271 notify_add(name, &fs, NULL, s, NULL, NULL, NULL); 272 } 273 274 void 275 notify_winlink(const char *name, struct winlink *wl) 276 { 277 struct cmd_find_state fs; 278 279 cmd_find_from_winlink(&fs, wl, 0); 280 notify_add(name, &fs, NULL, wl->session, wl->window, NULL, NULL); 281 } 282 283 void 284 notify_session_window(const char *name, struct session *s, struct window *w) 285 { 286 struct cmd_find_state fs; 287 288 cmd_find_from_session_window(&fs, s, w, 0); 289 notify_add(name, &fs, NULL, s, w, NULL, NULL); 290 } 291 292 void 293 notify_window(const char *name, struct window *w) 294 { 295 struct cmd_find_state fs; 296 297 cmd_find_from_window(&fs, w, 0); 298 notify_add(name, &fs, NULL, NULL, w, NULL, NULL); 299 } 300 301 void 302 notify_pane(const char *name, struct window_pane *wp) 303 { 304 struct cmd_find_state fs; 305 306 cmd_find_from_pane(&fs, wp, 0); 307 notify_add(name, &fs, NULL, NULL, NULL, wp, NULL); 308 } 309 310 void 311 notify_paste_buffer(const char *pbname, int deleted) 312 { 313 struct cmd_find_state fs; 314 315 cmd_find_clear_state(&fs, 0); 316 if (deleted) { 317 notify_add("paste-buffer-deleted", &fs, NULL, NULL, NULL, NULL, 318 pbname); 319 } else { 320 notify_add("paste-buffer-changed", &fs, NULL, NULL, NULL, NULL, 321 pbname); 322 } 323 } 324
Indexes created Tue Feb 24 08:35:24 UTC 2026