1 /* $OpenBSD: cmd-set-option.c,v 1.82 2015/08/29 08:30:54 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> 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 /* 27 * Set an option. 28 */ 29 30 enum cmd_retval cmd_set_option_exec(struct cmd *, struct cmd_q *); 31 32 enum cmd_retval cmd_set_option_user(struct cmd *, struct cmd_q *, 33 const char *, const char *); 34 35 int cmd_set_option_unset(struct cmd *, struct cmd_q *, 36 const struct options_table_entry *, struct options *, 37 const char *); 38 int cmd_set_option_set(struct cmd *, struct cmd_q *, 39 const struct options_table_entry *, struct options *, 40 const char *); 41 42 struct options_entry *cmd_set_option_string(struct cmd *, struct cmd_q *, 43 const struct options_table_entry *, struct options *, 44 const char *); 45 struct options_entry *cmd_set_option_number(struct cmd *, struct cmd_q *, 46 const struct options_table_entry *, struct options *, 47 const char *); 48 struct options_entry *cmd_set_option_key(struct cmd *, struct cmd_q *, 49 const struct options_table_entry *, struct options *, 50 const char *); 51 struct options_entry *cmd_set_option_colour(struct cmd *, struct cmd_q *, 52 const struct options_table_entry *, struct options *, 53 const char *); 54 struct options_entry *cmd_set_option_attributes(struct cmd *, struct cmd_q *, 55 const struct options_table_entry *, struct options *, 56 const char *); 57 struct options_entry *cmd_set_option_flag(struct cmd *, struct cmd_q *, 58 const struct options_table_entry *, struct options *, 59 const char *); 60 struct options_entry *cmd_set_option_choice(struct cmd *, struct cmd_q *, 61 const struct options_table_entry *, struct options *, 62 const char *); 63 struct options_entry *cmd_set_option_style(struct cmd *, struct cmd_q *, 64 const struct options_table_entry *, struct options *, 65 const char *); 66 67 const struct cmd_entry cmd_set_option_entry = { 68 "set-option", "set", 69 "agoqst:uw", 1, 2, 70 "[-agosquw] [-t target-session|target-window] option [value]", 71 0, 72 cmd_set_option_exec 73 }; 74 75 const struct cmd_entry cmd_set_window_option_entry = { 76 "set-window-option", "setw", 77 "agoqt:u", 1, 2, 78 "[-agoqu] " CMD_TARGET_WINDOW_USAGE " option [value]", 79 0, 80 cmd_set_option_exec 81 }; 82 83 enum cmd_retval 84 cmd_set_option_exec(struct cmd *self, struct cmd_q *cmdq) 85 { 86 struct args *args = self->args; 87 const struct options_table_entry *table, *oe; 88 struct session *s; 89 struct winlink *wl; 90 struct client *c; 91 struct options *oo; 92 struct window *w; 93 const char *optstr, *valstr; 94 95 /* Get the option name and value. */ 96 optstr = args->argv[0]; 97 if (*optstr == '\0') { 98 cmdq_error(cmdq, "invalid option"); 99 return (CMD_RETURN_ERROR); 100 } 101 if (args->argc < 2) 102 valstr = NULL; 103 else 104 valstr = args->argv[1]; 105 106 /* Is this a user option? */ 107 if (*optstr == '@') 108 return (cmd_set_option_user(self, cmdq, optstr, valstr)); 109 110 /* Find the option entry, try each table. */ 111 table = oe = NULL; 112 if (options_table_find(optstr, &table, &oe) != 0) { 113 if (!args_has(args, 'q')) { 114 cmdq_error(cmdq, "ambiguous option: %s", optstr); 115 return (CMD_RETURN_ERROR); 116 } 117 return (CMD_RETURN_NORMAL); 118 } 119 if (oe == NULL) { 120 if (!args_has(args, 'q')) { 121 cmdq_error(cmdq, "unknown option: %s", optstr); 122 return (CMD_RETURN_ERROR); 123 } 124 return (CMD_RETURN_NORMAL); 125 } 126 127 /* Work out the tree from the table. */ 128 if (table == server_options_table) 129 oo = &global_options; 130 else if (table == window_options_table) { 131 if (args_has(self->args, 'g')) 132 oo = &global_w_options; 133 else { 134 wl = cmd_find_window(cmdq, args_get(args, 't'), NULL); 135 if (wl == NULL) { 136 cmdq_error(cmdq, 137 "couldn't set '%s'%s", optstr, 138 (!args_has(args, 't') && !args_has(args, 139 'g')) ? " need target window or -g" : ""); 140 return (CMD_RETURN_ERROR); 141 } 142 oo = &wl->window->options; 143 } 144 } else if (table == session_options_table) { 145 if (args_has(self->args, 'g')) 146 oo = &global_s_options; 147 else { 148 s = cmd_find_session(cmdq, args_get(args, 't'), 0); 149 if (s == NULL) { 150 cmdq_error(cmdq, 151 "couldn't set '%s'%s", optstr, 152 (!args_has(args, 't') && !args_has(args, 153 'g')) ? " need target session or -g" : ""); 154 return (CMD_RETURN_ERROR); 155 } 156 oo = &s->options; 157 } 158 } else { 159 cmdq_error(cmdq, "unknown table"); 160 return (CMD_RETURN_ERROR); 161 } 162 163 /* Unset or set the option. */ 164 if (args_has(args, 'u')) { 165 if (cmd_set_option_unset(self, cmdq, oe, oo, valstr) != 0) 166 return (CMD_RETURN_ERROR); 167 } else { 168 if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) { 169 if (!args_has(args, 'q')) { 170 cmdq_error(cmdq, "already set: %s", optstr); 171 return (CMD_RETURN_ERROR); 172 } 173 return (CMD_RETURN_NORMAL); 174 } 175 if (cmd_set_option_set(self, cmdq, oe, oo, valstr) != 0) 176 return (CMD_RETURN_ERROR); 177 } 178 179 /* Start or stop timers if necessary. */ 180 if (strcmp(oe->name, "automatic-rename") == 0) { 181 RB_FOREACH(w, windows, &windows) { 182 if (options_get_number(&w->options, "automatic-rename")) 183 w->active->flags |= PANE_CHANGED; 184 } 185 } 186 if (strcmp(oe->name, "status") == 0 || 187 strcmp(oe->name, "status-interval") == 0) 188 status_timer_start_all(); 189 if (strcmp(oe->name, "monitor-silence") == 0) 190 alerts_reset_all(); 191 192 /* Update sizes and redraw. May not need it but meh. */ 193 recalculate_sizes(); 194 TAILQ_FOREACH(c, &clients, entry) { 195 if (c->session != NULL) 196 server_redraw_client(c); 197 } 198 199 return (CMD_RETURN_NORMAL); 200 } 201 202 /* Set user option. */ 203 enum cmd_retval 204 cmd_set_option_user(struct cmd *self, struct cmd_q *cmdq, const char *optstr, 205 const char *valstr) 206 { 207 struct args *args = self->args; 208 struct session *s; 209 struct winlink *wl; 210 struct options *oo; 211 212 if (args_has(args, 's')) 213 oo = &global_options; 214 else if (args_has(self->args, 'w') || 215 self->entry == &cmd_set_window_option_entry) { 216 if (args_has(self->args, 'g')) 217 oo = &global_w_options; 218 else { 219 wl = cmd_find_window(cmdq, args_get(args, 't'), NULL); 220 if (wl == NULL) 221 return (CMD_RETURN_ERROR); 222 oo = &wl->window->options; 223 } 224 } else { 225 if (args_has(self->args, 'g')) 226 oo = &global_s_options; 227 else { 228 s = cmd_find_session(cmdq, args_get(args, 't'), 0); 229 if (s == NULL) 230 return (CMD_RETURN_ERROR); 231 oo = &s->options; 232 } 233 } 234 235 if (args_has(args, 'u')) { 236 if (options_find1(oo, optstr) == NULL) { 237 if (!args_has(args, 'q')) { 238 cmdq_error(cmdq, "unknown option: %s", optstr); 239 return (CMD_RETURN_ERROR); 240 } 241 return (CMD_RETURN_NORMAL); 242 } 243 if (valstr != NULL) { 244 cmdq_error(cmdq, "value passed to unset option: %s", 245 optstr); 246 return (CMD_RETURN_ERROR); 247 } 248 options_remove(oo, optstr); 249 } else { 250 if (valstr == NULL) { 251 cmdq_error(cmdq, "empty value"); 252 return (CMD_RETURN_ERROR); 253 } 254 if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) { 255 if (!args_has(args, 'q')) { 256 cmdq_error(cmdq, "already set: %s", optstr); 257 return (CMD_RETURN_ERROR); 258 } 259 return (CMD_RETURN_NORMAL); 260 } 261 options_set_string(oo, optstr, "%s", valstr); 262 } 263 return (CMD_RETURN_NORMAL); 264 } 265 266 267 /* Unset an option. */ 268 int 269 cmd_set_option_unset(struct cmd *self, struct cmd_q *cmdq, 270 const struct options_table_entry *oe, struct options *oo, 271 const char *value) 272 { 273 struct args *args = self->args; 274 275 if (value != NULL) { 276 cmdq_error(cmdq, "value passed to unset option: %s", oe->name); 277 return (-1); 278 } 279 280 if (args_has(args, 'g') || oo == &global_options) { 281 switch (oe->type) { 282 case OPTIONS_TABLE_STRING: 283 options_set_string(oo, oe->name, "%s", oe->default_str); 284 break; 285 case OPTIONS_TABLE_STYLE: 286 options_set_style(oo, oe->name, oe->default_str, 0); 287 break; 288 default: 289 options_set_number(oo, oe->name, oe->default_num); 290 break; 291 } 292 } else 293 options_remove(oo, oe->name); 294 return (0); 295 } 296 297 /* Set an option. */ 298 int 299 cmd_set_option_set(struct cmd *self, struct cmd_q *cmdq, 300 const struct options_table_entry *oe, struct options *oo, 301 const char *value) 302 { 303 struct options_entry *o; 304 305 switch (oe->type) { 306 case OPTIONS_TABLE_FLAG: 307 case OPTIONS_TABLE_CHOICE: 308 break; 309 default: 310 if (value == NULL) { 311 cmdq_error(cmdq, "empty value"); 312 return (-1); 313 } 314 } 315 316 o = NULL; 317 switch (oe->type) { 318 case OPTIONS_TABLE_STRING: 319 o = cmd_set_option_string(self, cmdq, oe, oo, value); 320 break; 321 case OPTIONS_TABLE_NUMBER: 322 o = cmd_set_option_number(self, cmdq, oe, oo, value); 323 break; 324 case OPTIONS_TABLE_KEY: 325 o = cmd_set_option_key(self, cmdq, oe, oo, value); 326 break; 327 case OPTIONS_TABLE_COLOUR: 328 o = cmd_set_option_colour(self, cmdq, oe, oo, value); 329 if (o != NULL) 330 style_update_new(oo, o->name, oe->style); 331 break; 332 case OPTIONS_TABLE_ATTRIBUTES: 333 o = cmd_set_option_attributes(self, cmdq, oe, oo, value); 334 if (o != NULL) 335 style_update_new(oo, o->name, oe->style); 336 break; 337 case OPTIONS_TABLE_FLAG: 338 o = cmd_set_option_flag(self, cmdq, oe, oo, value); 339 break; 340 case OPTIONS_TABLE_CHOICE: 341 o = cmd_set_option_choice(self, cmdq, oe, oo, value); 342 break; 343 case OPTIONS_TABLE_STYLE: 344 o = cmd_set_option_style(self, cmdq, oe, oo, value); 345 break; 346 } 347 if (o == NULL) 348 return (-1); 349 return (0); 350 } 351 352 /* Set a string option. */ 353 struct options_entry * 354 cmd_set_option_string(struct cmd *self, unused struct cmd_q *cmdq, 355 const struct options_table_entry *oe, struct options *oo, 356 const char *value) 357 { 358 struct args *args = self->args; 359 struct options_entry *o; 360 char *oldval, *newval; 361 362 if (args_has(args, 'a')) { 363 oldval = options_get_string(oo, oe->name); 364 xasprintf(&newval, "%s%s", oldval, value); 365 } else 366 newval = xstrdup(value); 367 368 o = options_set_string(oo, oe->name, "%s", newval); 369 370 free(newval); 371 return (o); 372 } 373 374 /* Set a number option. */ 375 struct options_entry * 376 cmd_set_option_number(unused struct cmd *self, struct cmd_q *cmdq, 377 const struct options_table_entry *oe, struct options *oo, 378 const char *value) 379 { 380 long long ll; 381 const char *errstr; 382 383 ll = strtonum(value, oe->minimum, oe->maximum, &errstr); 384 if (errstr != NULL) { 385 cmdq_error(cmdq, "value is %s: %s", errstr, value); 386 return (NULL); 387 } 388 389 return (options_set_number(oo, oe->name, ll)); 390 } 391 392 /* Set a key option. */ 393 struct options_entry * 394 cmd_set_option_key(unused struct cmd *self, struct cmd_q *cmdq, 395 const struct options_table_entry *oe, struct options *oo, 396 const char *value) 397 { 398 int key; 399 400 if ((key = key_string_lookup_string(value)) == KEYC_NONE) { 401 cmdq_error(cmdq, "bad key: %s", value); 402 return (NULL); 403 } 404 405 return (options_set_number(oo, oe->name, key)); 406 } 407 408 /* Set a colour option. */ 409 struct options_entry * 410 cmd_set_option_colour(unused struct cmd *self, struct cmd_q *cmdq, 411 const struct options_table_entry *oe, struct options *oo, 412 const char *value) 413 { 414 int colour; 415 416 if ((colour = colour_fromstring(value)) == -1) { 417 cmdq_error(cmdq, "bad colour: %s", value); 418 return (NULL); 419 } 420 421 return (options_set_number(oo, oe->name, colour)); 422 } 423 424 /* Set an attributes option. */ 425 struct options_entry * 426 cmd_set_option_attributes(unused struct cmd *self, struct cmd_q *cmdq, 427 const struct options_table_entry *oe, struct options *oo, 428 const char *value) 429 { 430 int attr; 431 432 if ((attr = attributes_fromstring(value)) == -1) { 433 cmdq_error(cmdq, "bad attributes: %s", value); 434 return (NULL); 435 } 436 437 return (options_set_number(oo, oe->name, attr)); 438 } 439 440 /* Set a flag option. */ 441 struct options_entry * 442 cmd_set_option_flag(unused struct cmd *self, struct cmd_q *cmdq, 443 const struct options_table_entry *oe, struct options *oo, 444 const char *value) 445 { 446 int flag; 447 448 if (value == NULL || *value == '\0') 449 flag = !options_get_number(oo, oe->name); 450 else { 451 if ((value[0] == '1' && value[1] == '\0') || 452 strcasecmp(value, "on") == 0 || 453 strcasecmp(value, "yes") == 0) 454 flag = 1; 455 else if ((value[0] == '0' && value[1] == '\0') || 456 strcasecmp(value, "off") == 0 || 457 strcasecmp(value, "no") == 0) 458 flag = 0; 459 else { 460 cmdq_error(cmdq, "bad value: %s", value); 461 return (NULL); 462 } 463 } 464 465 return (options_set_number(oo, oe->name, flag)); 466 } 467 468 /* Set a choice option. */ 469 struct options_entry * 470 cmd_set_option_choice(unused struct cmd *self, struct cmd_q *cmdq, 471 const struct options_table_entry *oe, struct options *oo, 472 const char *value) 473 { 474 const char **choicep; 475 int n, choice = -1; 476 477 if (value == NULL) { 478 choice = options_get_number(oo, oe->name); 479 if (choice < 2) 480 choice = !choice; 481 } else { 482 n = 0; 483 for (choicep = oe->choices; *choicep != NULL; choicep++) { 484 n++; 485 if (strncmp(*choicep, value, strlen(value)) != 0) 486 continue; 487 488 if (choice != -1) { 489 cmdq_error(cmdq, "ambiguous value: %s", value); 490 return (NULL); 491 } 492 choice = n - 1; 493 } 494 if (choice == -1) { 495 cmdq_error(cmdq, "unknown value: %s", value); 496 return (NULL); 497 } 498 } 499 500 return (options_set_number(oo, oe->name, choice)); 501 } 502 503 /* Set a style option. */ 504 struct options_entry * 505 cmd_set_option_style(struct cmd *self, struct cmd_q *cmdq, 506 const struct options_table_entry *oe, struct options *oo, 507 const char *value) 508 { 509 struct args *args = self->args; 510 struct options_entry *o; 511 int append; 512 513 append = args_has(args, 'a'); 514 if ((o = options_set_style(oo, oe->name, value, append)) == NULL) { 515 cmdq_error(cmdq, "bad style: %s", value); 516 return (NULL); 517 } 518 519 style_update_old(oo, oe->name, &o->style); 520 return (o); 521 } 522