1 /* $OpenBSD: key-bindings.c,v 1.84 2017/11/15 19:59:27 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 RB_GENERATE(key_bindings, key_binding, entry, key_bindings_cmp); 28 RB_GENERATE(key_tables, key_table, entry, key_table_cmp); 29 struct key_tables key_tables = RB_INITIALIZER(&key_tables); 30 31 int 32 key_table_cmp(struct key_table *e1, struct key_table *e2) 33 { 34 return (strcmp(e1->name, e2->name)); 35 } 36 37 int 38 key_bindings_cmp(struct key_binding *bd1, struct key_binding *bd2) 39 { 40 if (bd1->key < bd2->key) 41 return (-1); 42 if (bd1->key > bd2->key) 43 return (1); 44 return (0); 45 } 46 47 struct key_table * 48 key_bindings_get_table(const char *name, int create) 49 { 50 struct key_table table_find, *table; 51 52 table_find.name = name; 53 table = RB_FIND(key_tables, &key_tables, &table_find); 54 if (table != NULL || !create) 55 return (table); 56 57 table = xmalloc(sizeof *table); 58 table->name = xstrdup(name); 59 RB_INIT(&table->key_bindings); 60 61 table->references = 1; /* one reference in key_tables */ 62 RB_INSERT(key_tables, &key_tables, table); 63 64 return (table); 65 } 66 67 void 68 key_bindings_unref_table(struct key_table *table) 69 { 70 struct key_binding *bd; 71 struct key_binding *bd1; 72 73 if (--table->references != 0) 74 return; 75 76 RB_FOREACH_SAFE(bd, key_bindings, &table->key_bindings, bd1) { 77 RB_REMOVE(key_bindings, &table->key_bindings, bd); 78 cmd_list_free(bd->cmdlist); 79 free(bd); 80 } 81 82 free((void *)table->name); 83 free(table); 84 } 85 86 void 87 key_bindings_add(const char *name, key_code key, int repeat, 88 struct cmd_list *cmdlist) 89 { 90 struct key_table *table; 91 struct key_binding bd_find, *bd; 92 93 table = key_bindings_get_table(name, 1); 94 95 bd_find.key = (key & ~KEYC_XTERM); 96 bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find); 97 if (bd != NULL) { 98 RB_REMOVE(key_bindings, &table->key_bindings, bd); 99 cmd_list_free(bd->cmdlist); 100 free(bd); 101 } 102 103 bd = xcalloc(1, sizeof *bd); 104 bd->key = key; 105 RB_INSERT(key_bindings, &table->key_bindings, bd); 106 107 if (repeat) 108 bd->flags |= KEY_BINDING_REPEAT; 109 bd->cmdlist = cmdlist; 110 } 111 112 void 113 key_bindings_remove(const char *name, key_code key) 114 { 115 struct key_table *table; 116 struct key_binding bd_find, *bd; 117 118 table = key_bindings_get_table(name, 0); 119 if (table == NULL) 120 return; 121 122 bd_find.key = (key & ~KEYC_XTERM); 123 bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find); 124 if (bd == NULL) 125 return; 126 127 RB_REMOVE(key_bindings, &table->key_bindings, bd); 128 cmd_list_free(bd->cmdlist); 129 free(bd); 130 131 if (RB_EMPTY(&table->key_bindings)) { 132 RB_REMOVE(key_tables, &key_tables, table); 133 key_bindings_unref_table(table); 134 } 135 } 136 137 void 138 key_bindings_remove_table(const char *name) 139 { 140 struct key_table *table; 141 struct client *c; 142 143 table = key_bindings_get_table(name, 0); 144 if (table != NULL) { 145 RB_REMOVE(key_tables, &key_tables, table); 146 key_bindings_unref_table(table); 147 } 148 TAILQ_FOREACH(c, &clients, entry) { 149 if (c->keytable == table) 150 server_client_set_key_table(c, NULL); 151 } 152 } 153 154 void 155 key_bindings_init(void) 156 { 157 static const char *defaults[] = { 158 "bind C-b send-prefix", 159 "bind C-o rotate-window", 160 "bind C-z suspend-client", 161 "bind Space next-layout", 162 "bind ! break-pane", 163 "bind '\"' split-window", 164 "bind '#' list-buffers", 165 "bind '$' command-prompt -I'#S' \"rename-session -- '%%'\"", 166 "bind % split-window -h", 167 "bind & confirm-before -p\"kill-window #W? (y/n)\" kill-window", 168 "bind \"'\" command-prompt -pindex \"select-window -t ':%%'\"", 169 "bind ( switch-client -p", 170 "bind ) switch-client -n", 171 "bind , command-prompt -I'#W' \"rename-window -- '%%'\"", 172 "bind - delete-buffer", 173 "bind . command-prompt \"move-window -t '%%'\"", 174 "bind 0 select-window -t:=0", 175 "bind 1 select-window -t:=1", 176 "bind 2 select-window -t:=2", 177 "bind 3 select-window -t:=3", 178 "bind 4 select-window -t:=4", 179 "bind 5 select-window -t:=5", 180 "bind 6 select-window -t:=6", 181 "bind 7 select-window -t:=7", 182 "bind 8 select-window -t:=8", 183 "bind 9 select-window -t:=9", 184 "bind : command-prompt", 185 "bind \\; last-pane", 186 "bind = choose-buffer", 187 "bind ? list-keys", 188 "bind D choose-client", 189 "bind E select-layout -E", 190 "bind L switch-client -l", 191 "bind M select-pane -M", 192 "bind [ copy-mode", 193 "bind ] paste-buffer", 194 "bind c new-window", 195 "bind d detach-client", 196 "bind f command-prompt \"find-window -- '%%'\"", 197 "bind i display-message", 198 "bind l last-window", 199 "bind m select-pane -m", 200 "bind n next-window", 201 "bind o select-pane -t:.+", 202 "bind p previous-window", 203 "bind q display-panes", 204 "bind r refresh-client", 205 "bind s choose-tree -s", 206 "bind t clock-mode", 207 "bind w choose-tree -w", 208 "bind x confirm-before -p\"kill-pane #P? (y/n)\" kill-pane", 209 "bind z resize-pane -Z", 210 "bind { swap-pane -U", 211 "bind } swap-pane -D", 212 "bind '~' show-messages", 213 "bind PPage copy-mode -u", 214 "bind -r Up select-pane -U", 215 "bind -r Down select-pane -D", 216 "bind -r Left select-pane -L", 217 "bind -r Right select-pane -R", 218 "bind M-1 select-layout even-horizontal", 219 "bind M-2 select-layout even-vertical", 220 "bind M-3 select-layout main-horizontal", 221 "bind M-4 select-layout main-vertical", 222 "bind M-5 select-layout tiled", 223 "bind M-n next-window -a", 224 "bind M-o rotate-window -D", 225 "bind M-p previous-window -a", 226 "bind -r M-Up resize-pane -U 5", 227 "bind -r M-Down resize-pane -D 5", 228 "bind -r M-Left resize-pane -L 5", 229 "bind -r M-Right resize-pane -R 5", 230 "bind -r C-Up resize-pane -U", 231 "bind -r C-Down resize-pane -D", 232 "bind -r C-Left resize-pane -L", 233 "bind -r C-Right resize-pane -R", 234 "bind -n MouseDown1Pane select-pane -t=\\; send-keys -M", 235 "bind -n MouseDrag1Border resize-pane -M", 236 "bind -n MouseDown1Status select-window -t=", 237 "bind -n WheelDownStatus next-window", 238 "bind -n WheelUpStatus previous-window", 239 "bind -n MouseDrag1Pane if -Ft= '#{mouse_any_flag}' 'if -Ft= \"#{pane_in_mode}\" \"copy-mode -M\" \"send-keys -M\"' 'copy-mode -M'", 240 "bind -n MouseDown3Pane if-shell -Ft= '#{mouse_any_flag}' 'select-pane -t=; send-keys -M' 'select-pane -mt='", 241 "bind -n WheelUpPane if-shell -Ft= '#{mouse_any_flag}' 'send-keys -M' 'if -Ft= \"#{pane_in_mode}\" \"send-keys -M\" \"copy-mode -et=\"'", 242 243 "bind -Tcopy-mode C-Space send -X begin-selection", 244 "bind -Tcopy-mode C-a send -X start-of-line", 245 "bind -Tcopy-mode C-c send -X cancel", 246 "bind -Tcopy-mode C-e send -X end-of-line", 247 "bind -Tcopy-mode C-f send -X cursor-right", 248 "bind -Tcopy-mode C-b send -X cursor-left", 249 "bind -Tcopy-mode C-g send -X clear-selection", 250 "bind -Tcopy-mode C-k send -X copy-end-of-line", 251 "bind -Tcopy-mode C-n send -X cursor-down", 252 "bind -Tcopy-mode C-p send -X cursor-up", 253 "bind -Tcopy-mode C-r command-prompt -ip'(search up)' -I'#{pane_search_string}' 'send -X search-backward-incremental \"%%%\"'", 254 "bind -Tcopy-mode C-s command-prompt -ip'(search down)' -I'#{pane_search_string}' 'send -X search-forward-incremental \"%%%\"'", 255 "bind -Tcopy-mode C-v send -X page-down", 256 "bind -Tcopy-mode C-w send -X copy-selection-and-cancel", 257 "bind -Tcopy-mode Escape send -X cancel", 258 "bind -Tcopy-mode Space send -X page-down", 259 "bind -Tcopy-mode , send -X jump-reverse", 260 "bind -Tcopy-mode \\; send -X jump-again", 261 "bind -Tcopy-mode F command-prompt -1p'(jump backward)' 'send -X jump-backward \"%%%\"'", 262 "bind -Tcopy-mode N send -X search-reverse", 263 "bind -Tcopy-mode R send -X rectangle-toggle", 264 "bind -Tcopy-mode T command-prompt -1p'(jump to backward)' 'send -X jump-to-backward \"%%%\"'", 265 "bind -Tcopy-mode f command-prompt -1p'(jump forward)' 'send -X jump-forward \"%%%\"'", 266 "bind -Tcopy-mode g command-prompt -p'(goto line)' 'send -X goto-line \"%%%\"'", 267 "bind -Tcopy-mode n send -X search-again", 268 "bind -Tcopy-mode q send -X cancel", 269 "bind -Tcopy-mode t command-prompt -1p'(jump to forward)' 'send -X jump-to-forward \"%%%\"'", 270 "bind -Tcopy-mode Home send -X start-of-line", 271 "bind -Tcopy-mode End send -X end-of-line", 272 "bind -Tcopy-mode MouseDown1Pane select-pane", 273 "bind -Tcopy-mode MouseDrag1Pane select-pane\\; send -X begin-selection", 274 "bind -Tcopy-mode MouseDragEnd1Pane send -X copy-selection-and-cancel", 275 "bind -Tcopy-mode WheelUpPane select-pane\\; send -N5 -X scroll-up", 276 "bind -Tcopy-mode WheelDownPane select-pane\\; send -N5 -X scroll-down", 277 "bind -Tcopy-mode DoubleClick1Pane select-pane\\; send -X select-word", 278 "bind -Tcopy-mode TripleClick1Pane select-pane\\; send -X select-line", 279 "bind -Tcopy-mode NPage send -X page-down", 280 "bind -Tcopy-mode PPage send -X page-up", 281 "bind -Tcopy-mode Up send -X cursor-up", 282 "bind -Tcopy-mode Down send -X cursor-down", 283 "bind -Tcopy-mode Left send -X cursor-left", 284 "bind -Tcopy-mode Right send -X cursor-right", 285 "bind -Tcopy-mode M-1 command-prompt -Np'(repeat)' -I1 'send -N \"%%%\"'", 286 "bind -Tcopy-mode M-2 command-prompt -Np'(repeat)' -I2 'send -N \"%%%\"'", 287 "bind -Tcopy-mode M-3 command-prompt -Np'(repeat)' -I3 'send -N \"%%%\"'", 288 "bind -Tcopy-mode M-4 command-prompt -Np'(repeat)' -I4 'send -N \"%%%\"'", 289 "bind -Tcopy-mode M-5 command-prompt -Np'(repeat)' -I5 'send -N \"%%%\"'", 290 "bind -Tcopy-mode M-6 command-prompt -Np'(repeat)' -I6 'send -N \"%%%\"'", 291 "bind -Tcopy-mode M-7 command-prompt -Np'(repeat)' -I7 'send -N \"%%%\"'", 292 "bind -Tcopy-mode M-8 command-prompt -Np'(repeat)' -I8 'send -N \"%%%\"'", 293 "bind -Tcopy-mode M-9 command-prompt -Np'(repeat)' -I9 'send -N \"%%%\"'", 294 "bind -Tcopy-mode M-< send -X history-top", 295 "bind -Tcopy-mode M-> send -X history-bottom", 296 "bind -Tcopy-mode M-R send -X top-line", 297 "bind -Tcopy-mode M-b send -X previous-word", 298 "bind -Tcopy-mode M-f send -X next-word-end", 299 "bind -Tcopy-mode M-m send -X back-to-indentation", 300 "bind -Tcopy-mode M-r send -X middle-line", 301 "bind -Tcopy-mode M-v send -X page-up", 302 "bind -Tcopy-mode M-w send -X copy-selection-and-cancel", 303 "bind -Tcopy-mode M-{ send -X previous-paragraph", 304 "bind -Tcopy-mode M-} send -X next-paragraph", 305 "bind -Tcopy-mode M-Up send -X halfpage-up", 306 "bind -Tcopy-mode M-Down send -X halfpage-down", 307 "bind -Tcopy-mode C-Up send -X scroll-up", 308 "bind -Tcopy-mode C-Down send -X scroll-down", 309 310 "bind -Tcopy-mode-vi C-c send -X cancel", 311 "bind -Tcopy-mode-vi C-d send -X halfpage-down", 312 "bind -Tcopy-mode-vi C-e send -X scroll-down", 313 "bind -Tcopy-mode-vi C-b send -X page-up", 314 "bind -Tcopy-mode-vi C-f send -X page-down", 315 "bind -Tcopy-mode-vi C-h send -X cursor-left", 316 "bind -Tcopy-mode-vi C-j send -X copy-selection-and-cancel", 317 "bind -Tcopy-mode-vi Enter send -X copy-selection-and-cancel", 318 "bind -Tcopy-mode-vi C-u send -X halfpage-up", 319 "bind -Tcopy-mode-vi C-v send -X rectangle-toggle", 320 "bind -Tcopy-mode-vi C-y send -X scroll-up", 321 "bind -Tcopy-mode-vi Escape send -X clear-selection", 322 "bind -Tcopy-mode-vi Space send -X begin-selection", 323 "bind -Tcopy-mode-vi '$' send -X end-of-line", 324 "bind -Tcopy-mode-vi , send -X jump-reverse", 325 "bind -Tcopy-mode-vi / command-prompt -p'(search down)' 'send -X search-forward \"%%%\"'", 326 "bind -Tcopy-mode-vi 0 send -X start-of-line", 327 "bind -Tcopy-mode-vi 1 command-prompt -Np'(repeat)' -I1 'send -N \"%%%\"'", 328 "bind -Tcopy-mode-vi 2 command-prompt -Np'(repeat)' -I2 'send -N \"%%%\"'", 329 "bind -Tcopy-mode-vi 3 command-prompt -Np'(repeat)' -I3 'send -N \"%%%\"'", 330 "bind -Tcopy-mode-vi 4 command-prompt -Np'(repeat)' -I4 'send -N \"%%%\"'", 331 "bind -Tcopy-mode-vi 5 command-prompt -Np'(repeat)' -I5 'send -N \"%%%\"'", 332 "bind -Tcopy-mode-vi 6 command-prompt -Np'(repeat)' -I6 'send -N \"%%%\"'", 333 "bind -Tcopy-mode-vi 7 command-prompt -Np'(repeat)' -I7 'send -N \"%%%\"'", 334 "bind -Tcopy-mode-vi 8 command-prompt -Np'(repeat)' -I8 'send -N \"%%%\"'", 335 "bind -Tcopy-mode-vi 9 command-prompt -Np'(repeat)' -I9 'send -N \"%%%\"'", 336 "bind -Tcopy-mode-vi : command-prompt -p'(goto line)' 'send -X goto-line \"%%%\"'", 337 "bind -Tcopy-mode-vi \\; send -X jump-again", 338 "bind -Tcopy-mode-vi ? command-prompt -p'(search up)' 'send -X search-backward \"%%%\"'", 339 "bind -Tcopy-mode-vi A send -X append-selection-and-cancel", 340 "bind -Tcopy-mode-vi B send -X previous-space", 341 "bind -Tcopy-mode-vi D send -X copy-end-of-line", 342 "bind -Tcopy-mode-vi E send -X next-space-end", 343 "bind -Tcopy-mode-vi F command-prompt -1p'(jump backward)' 'send -X jump-backward \"%%%\"'", 344 "bind -Tcopy-mode-vi G send -X history-bottom", 345 "bind -Tcopy-mode-vi H send -X top-line", 346 "bind -Tcopy-mode-vi J send -X scroll-down", 347 "bind -Tcopy-mode-vi K send -X scroll-up", 348 "bind -Tcopy-mode-vi L send -X bottom-line", 349 "bind -Tcopy-mode-vi M send -X middle-line", 350 "bind -Tcopy-mode-vi N send -X search-reverse", 351 "bind -Tcopy-mode-vi T command-prompt -1p'(jump to backward)' 'send -X jump-to-backward \"%%%\"'", 352 "bind -Tcopy-mode-vi V send -X select-line", 353 "bind -Tcopy-mode-vi W send -X next-space", 354 "bind -Tcopy-mode-vi ^ send -X back-to-indentation", 355 "bind -Tcopy-mode-vi b send -X previous-word", 356 "bind -Tcopy-mode-vi e send -X next-word-end", 357 "bind -Tcopy-mode-vi f command-prompt -1p'(jump forward)' 'send -X jump-forward \"%%%\"'", 358 "bind -Tcopy-mode-vi g send -X history-top", 359 "bind -Tcopy-mode-vi h send -X cursor-left", 360 "bind -Tcopy-mode-vi j send -X cursor-down", 361 "bind -Tcopy-mode-vi k send -X cursor-up", 362 "bind -Tcopy-mode-vi l send -X cursor-right", 363 "bind -Tcopy-mode-vi n send -X search-again", 364 "bind -Tcopy-mode-vi o send -X other-end", 365 "bind -Tcopy-mode-vi q send -X cancel", 366 "bind -Tcopy-mode-vi t command-prompt -1p'(jump to forward)' 'send -X jump-to-forward \"%%%\"'", 367 "bind -Tcopy-mode-vi v send -X rectangle-toggle", 368 "bind -Tcopy-mode-vi w send -X next-word", 369 "bind -Tcopy-mode-vi { send -X previous-paragraph", 370 "bind -Tcopy-mode-vi } send -X next-paragraph", 371 "bind -Tcopy-mode-vi MouseDown1Pane select-pane", 372 "bind -Tcopy-mode-vi MouseDrag1Pane select-pane\\; send -X begin-selection", 373 "bind -Tcopy-mode-vi MouseDragEnd1Pane send -X copy-selection-and-cancel", 374 "bind -Tcopy-mode-vi WheelUpPane select-pane\\; send -N5 -X scroll-up", 375 "bind -Tcopy-mode-vi WheelDownPane select-pane\\; send -N5 -X scroll-down", 376 "bind -Tcopy-mode-vi DoubleClick1Pane select-pane\\; send -X select-word", 377 "bind -Tcopy-mode-vi TripleClick1Pane select-pane\\; send -X select-line", 378 "bind -Tcopy-mode-vi BSpace send -X cursor-left", 379 "bind -Tcopy-mode-vi NPage send -X page-down", 380 "bind -Tcopy-mode-vi PPage send -X page-up", 381 "bind -Tcopy-mode-vi Up send -X cursor-up", 382 "bind -Tcopy-mode-vi Down send -X cursor-down", 383 "bind -Tcopy-mode-vi Left send -X cursor-left", 384 "bind -Tcopy-mode-vi Right send -X cursor-right", 385 "bind -Tcopy-mode-vi C-Up send -X scroll-up", 386 "bind -Tcopy-mode-vi C-Down send -X scroll-down", 387 }; 388 u_int i; 389 struct cmd_list *cmdlist; 390 char *cause; 391 392 for (i = 0; i < nitems(defaults); i++) { 393 cmdlist = cmd_string_parse(defaults[i], "<default>", i, &cause); 394 if (cmdlist == NULL) 395 fatalx("bad default key: %s", defaults[i]); 396 cmdq_append(NULL, cmdq_get_command(cmdlist, NULL, NULL, 0)); 397 cmd_list_free(cmdlist); 398 } 399 } 400 401 static enum cmd_retval 402 key_bindings_read_only(struct cmdq_item *item, __unused void *data) 403 { 404 cmdq_error(item, "client is read-only"); 405 return (CMD_RETURN_ERROR); 406 } 407 408 void 409 key_bindings_dispatch(struct key_binding *bd, struct cmdq_item *item, 410 struct client *c, struct mouse_event *m, struct cmd_find_state *fs) 411 { 412 struct cmd *cmd; 413 struct cmdq_item *new_item; 414 int readonly; 415 416 readonly = 1; 417 TAILQ_FOREACH(cmd, &bd->cmdlist->list, qentry) { 418 if (!(cmd->entry->flags & CMD_READONLY)) 419 readonly = 0; 420 } 421 if (!readonly && (c->flags & CLIENT_READONLY)) 422 new_item = cmdq_get_callback(key_bindings_read_only, NULL); 423 else { 424 new_item = cmdq_get_command(bd->cmdlist, fs, m, 0); 425 if (bd->flags & KEY_BINDING_REPEAT) 426 new_item->shared->flags |= CMDQ_SHARED_REPEAT; 427 } 428 if (item != NULL) 429 cmdq_insert_after(item, new_item); 430 else 431 cmdq_append(c, new_item); 432 } 433