1 /* $OpenBSD: key-bindings.c,v 1.89 2019/04/29 06:55:21 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.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 <ctype.h> 22 #include <stdlib.h> 23 #include <string.h> 24 25 #include "tmux.h" 26 27 static int key_bindings_cmp(struct key_binding *, struct key_binding *); 28 RB_GENERATE_STATIC(key_bindings, key_binding, entry, key_bindings_cmp); 29 static int key_table_cmp(struct key_table *, struct key_table *); 30 RB_GENERATE_STATIC(key_tables, key_table, entry, key_table_cmp); 31 static struct key_tables key_tables = RB_INITIALIZER(&key_tables); 32 33 static int 34 key_table_cmp(struct key_table *table1, struct key_table *table2) 35 { 36 return (strcmp(table1->name, table2->name)); 37 } 38 39 static int 40 key_bindings_cmp(struct key_binding *bd1, struct key_binding *bd2) 41 { 42 if (bd1->key < bd2->key) 43 return (-1); 44 if (bd1->key > bd2->key) 45 return (1); 46 return (0); 47 } 48 49 struct key_table * 50 key_bindings_get_table(const char *name, int create) 51 { 52 struct key_table table_find, *table; 53 54 table_find.name = name; 55 table = RB_FIND(key_tables, &key_tables, &table_find); 56 if (table != NULL || !create) 57 return (table); 58 59 table = xmalloc(sizeof *table); 60 table->name = xstrdup(name); 61 RB_INIT(&table->key_bindings); 62 63 table->references = 1; /* one reference in key_tables */ 64 RB_INSERT(key_tables, &key_tables, table); 65 66 return (table); 67 } 68 69 struct key_table * 70 key_bindings_first_table(void) 71 { 72 return (RB_MIN(key_tables, &key_tables)); 73 } 74 75 struct key_table * 76 key_bindings_next_table(struct key_table *table) 77 { 78 return (RB_NEXT(key_tables, &key_tables, table)); 79 } 80 81 void 82 key_bindings_unref_table(struct key_table *table) 83 { 84 struct key_binding *bd; 85 struct key_binding *bd1; 86 87 if (--table->references != 0) 88 return; 89 90 RB_FOREACH_SAFE(bd, key_bindings, &table->key_bindings, bd1) { 91 RB_REMOVE(key_bindings, &table->key_bindings, bd); 92 cmd_list_free(bd->cmdlist); 93 free(bd); 94 } 95 96 free((void *)table->name); 97 free(table); 98 } 99 100 struct key_binding * 101 key_bindings_get(struct key_table *table, key_code key) 102 { 103 struct key_binding bd; 104 105 bd.key = key; 106 return (RB_FIND(key_bindings, &table->key_bindings, &bd)); 107 } 108 109 struct key_binding * 110 key_bindings_first(struct key_table *table) 111 { 112 return (RB_MIN(key_bindings, &table->key_bindings)); 113 } 114 115 struct key_binding * 116 key_bindings_next(__unused struct key_table *table, struct key_binding *bd) 117 { 118 return (RB_NEXT(key_bindings, &table->key_bindings, bd)); 119 } 120 121 void 122 key_bindings_add(const char *name, key_code key, int repeat, 123 struct cmd_list *cmdlist) 124 { 125 struct key_table *table; 126 struct key_binding bd_find, *bd; 127 128 table = key_bindings_get_table(name, 1); 129 130 bd_find.key = (key & ~KEYC_XTERM); 131 bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find); 132 if (bd != NULL) { 133 RB_REMOVE(key_bindings, &table->key_bindings, bd); 134 cmd_list_free(bd->cmdlist); 135 free(bd); 136 } 137 138 bd = xcalloc(1, sizeof *bd); 139 bd->key = key; 140 RB_INSERT(key_bindings, &table->key_bindings, bd); 141 142 if (repeat) 143 bd->flags |= KEY_BINDING_REPEAT; 144 bd->cmdlist = cmdlist; 145 } 146 147 void 148 key_bindings_remove(const char *name, key_code key) 149 { 150 struct key_table *table; 151 struct key_binding bd_find, *bd; 152 153 table = key_bindings_get_table(name, 0); 154 if (table == NULL) 155 return; 156 157 bd_find.key = (key & ~KEYC_XTERM); 158 bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find); 159 if (bd == NULL) 160 return; 161 162 RB_REMOVE(key_bindings, &table->key_bindings, bd); 163 cmd_list_free(bd->cmdlist); 164 free(bd); 165 166 if (RB_EMPTY(&table->key_bindings)) { 167 RB_REMOVE(key_tables, &key_tables, table); 168 key_bindings_unref_table(table); 169 } 170 } 171 172 void 173 key_bindings_remove_table(const char *name) 174 { 175 struct key_table *table; 176 struct client *c; 177 178 table = key_bindings_get_table(name, 0); 179 if (table != NULL) { 180 RB_REMOVE(key_tables, &key_tables, table); 181 key_bindings_unref_table(table); 182 } 183 TAILQ_FOREACH(c, &clients, entry) { 184 if (c->keytable == table) 185 server_client_set_key_table(c, NULL); 186 } 187 } 188 189 void 190 key_bindings_init(void) 191 { 192 static const char *defaults[] = { 193 "bind C-b send-prefix", 194 "bind C-o rotate-window", 195 "bind C-z suspend-client", 196 "bind Space next-layout", 197 "bind ! break-pane", 198 "bind '\"' split-window", 199 "bind '#' list-buffers", 200 "bind '$' command-prompt -I'#S' \"rename-session -- '%%'\"", 201 "bind % split-window -h", 202 "bind & confirm-before -p\"kill-window #W? (y/n)\" kill-window", 203 "bind \"'\" command-prompt -pindex \"select-window -t ':%%'\"", 204 "bind ( switch-client -p", 205 "bind ) switch-client -n", 206 "bind , command-prompt -I'#W' \"rename-window -- '%%'\"", 207 "bind - delete-buffer", 208 "bind . command-prompt \"move-window -t '%%'\"", 209 "bind 0 select-window -t:=0", 210 "bind 1 select-window -t:=1", 211 "bind 2 select-window -t:=2", 212 "bind 3 select-window -t:=3", 213 "bind 4 select-window -t:=4", 214 "bind 5 select-window -t:=5", 215 "bind 6 select-window -t:=6", 216 "bind 7 select-window -t:=7", 217 "bind 8 select-window -t:=8", 218 "bind 9 select-window -t:=9", 219 "bind : command-prompt", 220 "bind \\; last-pane", 221 "bind = choose-buffer -Z", 222 "bind ? list-keys", 223 "bind D choose-client -Z", 224 "bind E select-layout -E", 225 "bind L switch-client -l", 226 "bind M select-pane -M", 227 "bind [ copy-mode", 228 "bind ] paste-buffer", 229 "bind c new-window", 230 "bind d detach-client", 231 "bind f command-prompt \"find-window -Z -- '%%'\"", 232 "bind i display-message", 233 "bind l last-window", 234 "bind m select-pane -m", 235 "bind n next-window", 236 "bind o select-pane -t:.+", 237 "bind p previous-window", 238 "bind q display-panes", 239 "bind r refresh-client", 240 "bind s choose-tree -Zs", 241 "bind t clock-mode", 242 "bind w choose-tree -Zw", 243 "bind x confirm-before -p\"kill-pane #P? (y/n)\" kill-pane", 244 "bind z resize-pane -Z", 245 "bind { swap-pane -U", 246 "bind } swap-pane -D", 247 "bind '~' show-messages", 248 "bind PPage copy-mode -u", 249 "bind -r Up select-pane -U", 250 "bind -r Down select-pane -D", 251 "bind -r Left select-pane -L", 252 "bind -r Right select-pane -R", 253 "bind M-1 select-layout even-horizontal", 254 "bind M-2 select-layout even-vertical", 255 "bind M-3 select-layout main-horizontal", 256 "bind M-4 select-layout main-vertical", 257 "bind M-5 select-layout tiled", 258 "bind M-n next-window -a", 259 "bind M-o rotate-window -D", 260 "bind M-p previous-window -a", 261 "bind -r S-Up refresh-client -U 10", 262 "bind -r S-Down refresh-client -D 10", 263 "bind -r S-Left refresh-client -L 10", 264 "bind -r S-Right refresh-client -R 10", 265 "bind -r DC refresh-client -c", 266 "bind -r M-Up resize-pane -U 5", 267 "bind -r M-Down resize-pane -D 5", 268 "bind -r M-Left resize-pane -L 5", 269 "bind -r M-Right resize-pane -R 5", 270 "bind -r C-Up resize-pane -U", 271 "bind -r C-Down resize-pane -D", 272 "bind -r C-Left resize-pane -L", 273 "bind -r C-Right resize-pane -R", 274 "bind -n MouseDown1Pane select-pane -t=\\; send-keys -M", 275 "bind -n MouseDrag1Border resize-pane -M", 276 "bind -n MouseDown1Status select-window -t=", 277 "bind -n WheelDownStatus next-window", 278 "bind -n WheelUpStatus previous-window", 279 "bind -n MouseDrag1Pane if -Ft= '#{mouse_any_flag}' 'if -Ft= \"#{pane_in_mode}\" \"copy-mode -M\" \"send-keys -M\"' 'copy-mode -M'", 280 "bind -n MouseDown3Pane if-shell -Ft= '#{mouse_any_flag}' 'select-pane -t=; send-keys -M' 'select-pane -mt='", 281 "bind -n WheelUpPane if-shell -Ft= '#{mouse_any_flag}' 'send-keys -M' 'if -Ft= \"#{pane_in_mode}\" \"send-keys -M\" \"copy-mode -et=\"'", 282 283 "bind -Tcopy-mode C-Space send -X begin-selection", 284 "bind -Tcopy-mode C-a send -X start-of-line", 285 "bind -Tcopy-mode C-c send -X cancel", 286 "bind -Tcopy-mode C-e send -X end-of-line", 287 "bind -Tcopy-mode C-f send -X cursor-right", 288 "bind -Tcopy-mode C-b send -X cursor-left", 289 "bind -Tcopy-mode C-g send -X clear-selection", 290 "bind -Tcopy-mode C-k send -X copy-end-of-line", 291 "bind -Tcopy-mode C-n send -X cursor-down", 292 "bind -Tcopy-mode C-p send -X cursor-up", 293 "bind -Tcopy-mode C-r command-prompt -ip'(search up)' -I'#{pane_search_string}' 'send -X search-backward-incremental \"%%%\"'", 294 "bind -Tcopy-mode C-s command-prompt -ip'(search down)' -I'#{pane_search_string}' 'send -X search-forward-incremental \"%%%\"'", 295 "bind -Tcopy-mode C-v send -X page-down", 296 "bind -Tcopy-mode C-w send -X copy-selection-and-cancel", 297 "bind -Tcopy-mode Escape send -X cancel", 298 "bind -Tcopy-mode Space send -X page-down", 299 "bind -Tcopy-mode , send -X jump-reverse", 300 "bind -Tcopy-mode \\; send -X jump-again", 301 "bind -Tcopy-mode F command-prompt -1p'(jump backward)' 'send -X jump-backward \"%%%\"'", 302 "bind -Tcopy-mode N send -X search-reverse", 303 "bind -Tcopy-mode R send -X rectangle-toggle", 304 "bind -Tcopy-mode T command-prompt -1p'(jump to backward)' 'send -X jump-to-backward \"%%%\"'", 305 "bind -Tcopy-mode f command-prompt -1p'(jump forward)' 'send -X jump-forward \"%%%\"'", 306 "bind -Tcopy-mode g command-prompt -p'(goto line)' 'send -X goto-line \"%%%\"'", 307 "bind -Tcopy-mode n send -X search-again", 308 "bind -Tcopy-mode q send -X cancel", 309 "bind -Tcopy-mode t command-prompt -1p'(jump to forward)' 'send -X jump-to-forward \"%%%\"'", 310 "bind -Tcopy-mode Home send -X start-of-line", 311 "bind -Tcopy-mode End send -X end-of-line", 312 "bind -Tcopy-mode MouseDown1Pane select-pane", 313 "bind -Tcopy-mode MouseDrag1Pane select-pane\\; send -X begin-selection", 314 "bind -Tcopy-mode MouseDragEnd1Pane send -X copy-selection-and-cancel", 315 "bind -Tcopy-mode WheelUpPane select-pane\\; send -N5 -X scroll-up", 316 "bind -Tcopy-mode WheelDownPane select-pane\\; send -N5 -X scroll-down", 317 "bind -Tcopy-mode DoubleClick1Pane select-pane\\; send -X select-word", 318 "bind -Tcopy-mode TripleClick1Pane select-pane\\; send -X select-line", 319 "bind -Tcopy-mode NPage send -X page-down", 320 "bind -Tcopy-mode PPage send -X page-up", 321 "bind -Tcopy-mode Up send -X cursor-up", 322 "bind -Tcopy-mode Down send -X cursor-down", 323 "bind -Tcopy-mode Left send -X cursor-left", 324 "bind -Tcopy-mode Right send -X cursor-right", 325 "bind -Tcopy-mode M-1 command-prompt -Np'(repeat)' -I1 'send -N \"%%%\"'", 326 "bind -Tcopy-mode M-2 command-prompt -Np'(repeat)' -I2 'send -N \"%%%\"'", 327 "bind -Tcopy-mode M-3 command-prompt -Np'(repeat)' -I3 'send -N \"%%%\"'", 328 "bind -Tcopy-mode M-4 command-prompt -Np'(repeat)' -I4 'send -N \"%%%\"'", 329 "bind -Tcopy-mode M-5 command-prompt -Np'(repeat)' -I5 'send -N \"%%%\"'", 330 "bind -Tcopy-mode M-6 command-prompt -Np'(repeat)' -I6 'send -N \"%%%\"'", 331 "bind -Tcopy-mode M-7 command-prompt -Np'(repeat)' -I7 'send -N \"%%%\"'", 332 "bind -Tcopy-mode M-8 command-prompt -Np'(repeat)' -I8 'send -N \"%%%\"'", 333 "bind -Tcopy-mode M-9 command-prompt -Np'(repeat)' -I9 'send -N \"%%%\"'", 334 "bind -Tcopy-mode M-< send -X history-top", 335 "bind -Tcopy-mode M-> send -X history-bottom", 336 "bind -Tcopy-mode M-R send -X top-line", 337 "bind -Tcopy-mode M-b send -X previous-word", 338 "bind -Tcopy-mode C-M-b send -X previous-matching-bracket", 339 "bind -Tcopy-mode M-f send -X next-word-end", 340 "bind -Tcopy-mode C-M-f send -X next-matching-bracket", 341 "bind -Tcopy-mode M-m send -X back-to-indentation", 342 "bind -Tcopy-mode M-r send -X middle-line", 343 "bind -Tcopy-mode M-v send -X page-up", 344 "bind -Tcopy-mode M-w send -X copy-selection-and-cancel", 345 "bind -Tcopy-mode M-{ send -X previous-paragraph", 346 "bind -Tcopy-mode M-} send -X next-paragraph", 347 "bind -Tcopy-mode M-Up send -X halfpage-up", 348 "bind -Tcopy-mode M-Down send -X halfpage-down", 349 "bind -Tcopy-mode C-Up send -X scroll-up", 350 "bind -Tcopy-mode C-Down send -X scroll-down", 351 352 "bind -Tcopy-mode-vi C-c send -X cancel", 353 "bind -Tcopy-mode-vi C-d send -X halfpage-down", 354 "bind -Tcopy-mode-vi C-e send -X scroll-down", 355 "bind -Tcopy-mode-vi C-b send -X page-up", 356 "bind -Tcopy-mode-vi C-f send -X page-down", 357 "bind -Tcopy-mode-vi C-h send -X cursor-left", 358 "bind -Tcopy-mode-vi C-j send -X copy-selection-and-cancel", 359 "bind -Tcopy-mode-vi Enter send -X copy-selection-and-cancel", 360 "bind -Tcopy-mode-vi C-u send -X halfpage-up", 361 "bind -Tcopy-mode-vi C-v send -X rectangle-toggle", 362 "bind -Tcopy-mode-vi C-y send -X scroll-up", 363 "bind -Tcopy-mode-vi Escape send -X clear-selection", 364 "bind -Tcopy-mode-vi Space send -X begin-selection", 365 "bind -Tcopy-mode-vi '$' send -X end-of-line", 366 "bind -Tcopy-mode-vi , send -X jump-reverse", 367 "bind -Tcopy-mode-vi / command-prompt -p'(search down)' 'send -X search-forward \"%%%\"'", 368 "bind -Tcopy-mode-vi 0 send -X start-of-line", 369 "bind -Tcopy-mode-vi 1 command-prompt -Np'(repeat)' -I1 'send -N \"%%%\"'", 370 "bind -Tcopy-mode-vi 2 command-prompt -Np'(repeat)' -I2 'send -N \"%%%\"'", 371 "bind -Tcopy-mode-vi 3 command-prompt -Np'(repeat)' -I3 'send -N \"%%%\"'", 372 "bind -Tcopy-mode-vi 4 command-prompt -Np'(repeat)' -I4 'send -N \"%%%\"'", 373 "bind -Tcopy-mode-vi 5 command-prompt -Np'(repeat)' -I5 'send -N \"%%%\"'", 374 "bind -Tcopy-mode-vi 6 command-prompt -Np'(repeat)' -I6 'send -N \"%%%\"'", 375 "bind -Tcopy-mode-vi 7 command-prompt -Np'(repeat)' -I7 'send -N \"%%%\"'", 376 "bind -Tcopy-mode-vi 8 command-prompt -Np'(repeat)' -I8 'send -N \"%%%\"'", 377 "bind -Tcopy-mode-vi 9 command-prompt -Np'(repeat)' -I9 'send -N \"%%%\"'", 378 "bind -Tcopy-mode-vi : command-prompt -p'(goto line)' 'send -X goto-line \"%%%\"'", 379 "bind -Tcopy-mode-vi \\; send -X jump-again", 380 "bind -Tcopy-mode-vi ? command-prompt -p'(search up)' 'send -X search-backward \"%%%\"'", 381 "bind -Tcopy-mode-vi A send -X append-selection-and-cancel", 382 "bind -Tcopy-mode-vi B send -X previous-space", 383 "bind -Tcopy-mode-vi D send -X copy-end-of-line", 384 "bind -Tcopy-mode-vi E send -X next-space-end", 385 "bind -Tcopy-mode-vi F command-prompt -1p'(jump backward)' 'send -X jump-backward \"%%%\"'", 386 "bind -Tcopy-mode-vi G send -X history-bottom", 387 "bind -Tcopy-mode-vi H send -X top-line", 388 "bind -Tcopy-mode-vi J send -X scroll-down", 389 "bind -Tcopy-mode-vi K send -X scroll-up", 390 "bind -Tcopy-mode-vi L send -X bottom-line", 391 "bind -Tcopy-mode-vi M send -X middle-line", 392 "bind -Tcopy-mode-vi N send -X search-reverse", 393 "bind -Tcopy-mode-vi T command-prompt -1p'(jump to backward)' 'send -X jump-to-backward \"%%%\"'", 394 "bind -Tcopy-mode-vi V send -X select-line", 395 "bind -Tcopy-mode-vi W send -X next-space", 396 "bind -Tcopy-mode-vi ^ send -X back-to-indentation", 397 "bind -Tcopy-mode-vi b send -X previous-word", 398 "bind -Tcopy-mode-vi e send -X next-word-end", 399 "bind -Tcopy-mode-vi f command-prompt -1p'(jump forward)' 'send -X jump-forward \"%%%\"'", 400 "bind -Tcopy-mode-vi g send -X history-top", 401 "bind -Tcopy-mode-vi h send -X cursor-left", 402 "bind -Tcopy-mode-vi j send -X cursor-down", 403 "bind -Tcopy-mode-vi k send -X cursor-up", 404 "bind -Tcopy-mode-vi l send -X cursor-right", 405 "bind -Tcopy-mode-vi n send -X search-again", 406 "bind -Tcopy-mode-vi o send -X other-end", 407 "bind -Tcopy-mode-vi q send -X cancel", 408 "bind -Tcopy-mode-vi t command-prompt -1p'(jump to forward)' 'send -X jump-to-forward \"%%%\"'", 409 "bind -Tcopy-mode-vi v send -X rectangle-toggle", 410 "bind -Tcopy-mode-vi w send -X next-word", 411 "bind -Tcopy-mode-vi { send -X previous-paragraph", 412 "bind -Tcopy-mode-vi } send -X next-paragraph", 413 "bind -Tcopy-mode-vi % send -X next-matching-bracket", 414 "bind -Tcopy-mode-vi MouseDown1Pane select-pane", 415 "bind -Tcopy-mode-vi MouseDrag1Pane select-pane\\; send -X begin-selection", 416 "bind -Tcopy-mode-vi MouseDragEnd1Pane send -X copy-selection-and-cancel", 417 "bind -Tcopy-mode-vi WheelUpPane select-pane\\; send -N5 -X scroll-up", 418 "bind -Tcopy-mode-vi WheelDownPane select-pane\\; send -N5 -X scroll-down", 419 "bind -Tcopy-mode-vi DoubleClick1Pane select-pane\\; send -X select-word", 420 "bind -Tcopy-mode-vi TripleClick1Pane select-pane\\; send -X select-line", 421 "bind -Tcopy-mode-vi BSpace send -X cursor-left", 422 "bind -Tcopy-mode-vi NPage send -X page-down", 423 "bind -Tcopy-mode-vi PPage send -X page-up", 424 "bind -Tcopy-mode-vi Up send -X cursor-up", 425 "bind -Tcopy-mode-vi Down send -X cursor-down", 426 "bind -Tcopy-mode-vi Left send -X cursor-left", 427 "bind -Tcopy-mode-vi Right send -X cursor-right", 428 "bind -Tcopy-mode-vi C-Up send -X scroll-up", 429 "bind -Tcopy-mode-vi C-Down send -X scroll-down", 430 }; 431 u_int i; 432 struct cmd_list *cmdlist; 433 char *cause; 434 435 for (i = 0; i < nitems(defaults); i++) { 436 cmdlist = cmd_string_parse(defaults[i], "<default>", i, &cause); 437 if (cmdlist == NULL) 438 fatalx("bad default key: %s", defaults[i]); 439 cmdq_append(NULL, cmdq_get_command(cmdlist, NULL, NULL, 0)); 440 cmd_list_free(cmdlist); 441 } 442 } 443 444 static enum cmd_retval 445 key_bindings_read_only(struct cmdq_item *item, __unused void *data) 446 { 447 cmdq_error(item, "client is read-only"); 448 return (CMD_RETURN_ERROR); 449 } 450 451 void 452 key_bindings_dispatch(struct key_binding *bd, struct cmdq_item *item, 453 struct client *c, struct mouse_event *m, struct cmd_find_state *fs) 454 { 455 struct cmd *cmd; 456 struct cmdq_item *new_item; 457 int readonly; 458 459 readonly = 1; 460 TAILQ_FOREACH(cmd, &bd->cmdlist->list, qentry) { 461 if (!(cmd->entry->flags & CMD_READONLY)) 462 readonly = 0; 463 } 464 if (!readonly && (c->flags & CLIENT_READONLY)) 465 new_item = cmdq_get_callback(key_bindings_read_only, NULL); 466 else { 467 new_item = cmdq_get_command(bd->cmdlist, fs, m, 0); 468 if (bd->flags & KEY_BINDING_REPEAT) 469 new_item->shared->flags |= CMDQ_SHARED_REPEAT; 470 } 471 if (item != NULL) 472 cmdq_insert_after(item, new_item); 473 else 474 cmdq_append(c, new_item); 475 } 476