1 /* $OpenBSD: cmd-set-option.c,v 1.94 2016/03/03 14:15:22 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 <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 .name = "set-option", 69 .alias = "set", 70 71 .args = { "agoqst:uw", 1, 2 }, 72 .usage = "[-agosquw] [-t target-window] option [value]", 73 74 .tflag = CMD_WINDOW_CANFAIL, 75 76 .flags = 0, 77 .exec = cmd_set_option_exec 78 }; 79 80 const struct cmd_entry cmd_set_window_option_entry = { 81 .name = "set-window-option", 82 .alias = "setw", 83 84 .args = { "agoqt:u", 1, 2 }, 85 .usage = "[-agoqu] " CMD_TARGET_WINDOW_USAGE " option [value]", 86 87 .tflag = CMD_WINDOW_CANFAIL, 88 89 .flags = 0, 90 .exec = cmd_set_option_exec 91 }; 92 93 enum cmd_retval 94 cmd_set_option_exec(struct cmd *self, struct cmd_q *cmdq) 95 { 96 struct args *args = self->args; 97 struct session *s = cmdq->state.tflag.s; 98 struct winlink *wl = cmdq->state.tflag.wl; 99 struct window *w; 100 struct client *c; 101 const struct options_table_entry *oe; 102 struct options *oo; 103 const char *optstr, *valstr, *target; 104 105 /* Get the option name and value. */ 106 optstr = args->argv[0]; 107 if (*optstr == '\0') { 108 cmdq_error(cmdq, "invalid option"); 109 return (CMD_RETURN_ERROR); 110 } 111 if (args->argc < 2) 112 valstr = NULL; 113 else 114 valstr = args->argv[1]; 115 116 /* Is this a user option? */ 117 if (*optstr == '@') 118 return (cmd_set_option_user(self, cmdq, optstr, valstr)); 119 120 /* Find the option entry, try each table. */ 121 oe = NULL; 122 if (options_table_find(optstr, &oe) != 0) { 123 if (!args_has(args, 'q')) { 124 cmdq_error(cmdq, "ambiguous option: %s", optstr); 125 return (CMD_RETURN_ERROR); 126 } 127 return (CMD_RETURN_NORMAL); 128 } 129 if (oe == NULL) { 130 if (!args_has(args, 'q')) { 131 cmdq_error(cmdq, "unknown option: %s", optstr); 132 return (CMD_RETURN_ERROR); 133 } 134 return (CMD_RETURN_NORMAL); 135 } 136 137 /* Work out the tree from the scope of the option. */ 138 if (oe->scope == OPTIONS_TABLE_SERVER) 139 oo = global_options; 140 else if (oe->scope == OPTIONS_TABLE_WINDOW) { 141 if (args_has(self->args, 'g')) 142 oo = global_w_options; 143 else if (wl == NULL) { 144 target = args_get(args, 't'); 145 if (target != NULL) { 146 cmdq_error(cmdq, "no such window: %s", 147 target); 148 } else 149 cmdq_error(cmdq, "no current window"); 150 return (CMD_RETURN_ERROR); 151 } else 152 oo = wl->window->options; 153 } else if (oe->scope == OPTIONS_TABLE_SESSION) { 154 if (args_has(self->args, 'g')) 155 oo = global_s_options; 156 else if (s == NULL) { 157 target = args_get(args, 't'); 158 if (target != NULL) { 159 cmdq_error(cmdq, "no such session: %s", 160 target); 161 } else 162 cmdq_error(cmdq, "no current session"); 163 return (CMD_RETURN_ERROR); 164 } else 165 oo = s->options; 166 } else { 167 cmdq_error(cmdq, "unknown table"); 168 return (CMD_RETURN_ERROR); 169 } 170 171 /* Unset or set the option. */ 172 if (args_has(args, 'u')) { 173 if (cmd_set_option_unset(self, cmdq, oe, oo, valstr) != 0) 174 return (CMD_RETURN_ERROR); 175 } else { 176 if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) { 177 if (!args_has(args, 'q')) { 178 cmdq_error(cmdq, "already set: %s", optstr); 179 return (CMD_RETURN_ERROR); 180 } 181 return (CMD_RETURN_NORMAL); 182 } 183 if (cmd_set_option_set(self, cmdq, oe, oo, valstr) != 0) 184 return (CMD_RETURN_ERROR); 185 } 186 187 /* Start or stop timers if necessary. */ 188 if (strcmp(oe->name, "automatic-rename") == 0) { 189 RB_FOREACH(w, windows, &windows) { 190 if (options_get_number(w->options, "automatic-rename")) 191 w->active->flags |= PANE_CHANGED; 192 } 193 } 194 if (strcmp(oe->name, "key-table") == 0) { 195 TAILQ_FOREACH(c, &clients, entry) 196 server_client_set_key_table(c, NULL); 197 } 198 if (strcmp(oe->name, "status") == 0 || 199 strcmp(oe->name, "status-interval") == 0) 200 status_timer_start_all(); 201 if (strcmp(oe->name, "monitor-silence") == 0) 202 alerts_reset_all(); 203 204 /* Update sizes and redraw. May not need it but meh. */ 205 recalculate_sizes(); 206 TAILQ_FOREACH(c, &clients, entry) { 207 if (c->session != NULL) 208 server_redraw_client(c); 209 } 210 211 return (CMD_RETURN_NORMAL); 212 } 213 214 /* Set user option. */ 215 enum cmd_retval 216 cmd_set_option_user(struct cmd *self, struct cmd_q *cmdq, const char *optstr, 217 const char *valstr) 218 { 219 struct args *args = self->args; 220 struct session *s = cmdq->state.tflag.s; 221 struct winlink *wl = cmdq->state.tflag.wl; 222 struct options *oo; 223 224 if (args_has(args, 's')) 225 oo = global_options; 226 else if (args_has(self->args, 'w') || 227 self->entry == &cmd_set_window_option_entry) { 228 if (args_has(self->args, 'g')) 229 oo = global_w_options; 230 else 231 oo = wl->window->options; 232 } else { 233 if (args_has(self->args, 'g')) 234 oo = global_s_options; 235 else 236 oo = s->options; 237 } 238 239 if (args_has(args, 'u')) { 240 if (options_find1(oo, optstr) == NULL) { 241 if (!args_has(args, 'q')) { 242 cmdq_error(cmdq, "unknown option: %s", optstr); 243 return (CMD_RETURN_ERROR); 244 } 245 return (CMD_RETURN_NORMAL); 246 } 247 if (valstr != NULL) { 248 cmdq_error(cmdq, "value passed to unset option: %s", 249 optstr); 250 return (CMD_RETURN_ERROR); 251 } 252 options_remove(oo, optstr); 253 } else { 254 if (valstr == NULL) { 255 cmdq_error(cmdq, "empty value"); 256 return (CMD_RETURN_ERROR); 257 } 258 if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) { 259 if (!args_has(args, 'q')) { 260 cmdq_error(cmdq, "already set: %s", optstr); 261 return (CMD_RETURN_ERROR); 262 } 263 return (CMD_RETURN_NORMAL); 264 } 265 options_set_string(oo, optstr, "%s", valstr); 266 } 267 return (CMD_RETURN_NORMAL); 268 } 269 270 /* Unset an option. */ 271 int 272 cmd_set_option_unset(struct cmd *self, struct cmd_q *cmdq, 273 const struct options_table_entry *oe, struct options *oo, 274 const char *value) 275 { 276 struct args *args = self->args; 277 278 if (value != NULL) { 279 cmdq_error(cmdq, "value passed to unset option: %s", oe->name); 280 return (-1); 281 } 282 283 if (args_has(args, 'g') || oo == global_options) { 284 switch (oe->type) { 285 case OPTIONS_TABLE_STRING: 286 options_set_string(oo, oe->name, "%s", oe->default_str); 287 break; 288 case OPTIONS_TABLE_STYLE: 289 options_set_style(oo, oe->name, oe->default_str, 0); 290 break; 291 default: 292 options_set_number(oo, oe->name, oe->default_num); 293 break; 294 } 295 } else 296 options_remove(oo, oe->name); 297 return (0); 298 } 299 300 /* Set an option. */ 301 int 302 cmd_set_option_set(struct cmd *self, struct cmd_q *cmdq, 303 const struct options_table_entry *oe, struct options *oo, 304 const char *value) 305 { 306 struct options_entry *o; 307 308 switch (oe->type) { 309 case OPTIONS_TABLE_FLAG: 310 case OPTIONS_TABLE_CHOICE: 311 break; 312 default: 313 if (value == NULL) { 314 cmdq_error(cmdq, "empty value"); 315 return (-1); 316 } 317 } 318 319 o = NULL; 320 switch (oe->type) { 321 case OPTIONS_TABLE_STRING: 322 o = cmd_set_option_string(self, cmdq, oe, oo, value); 323 break; 324 case OPTIONS_TABLE_NUMBER: 325 o = cmd_set_option_number(self, cmdq, oe, oo, value); 326 break; 327 case OPTIONS_TABLE_KEY: 328 o = cmd_set_option_key(self, cmdq, oe, oo, value); 329 break; 330 case OPTIONS_TABLE_COLOUR: 331 o = cmd_set_option_colour(self, cmdq, oe, oo, value); 332 if (o != NULL) 333 style_update_new(oo, o->name, oe->style); 334 break; 335 case OPTIONS_TABLE_ATTRIBUTES: 336 o = cmd_set_option_attributes(self, cmdq, oe, oo, value); 337 if (o != NULL) 338 style_update_new(oo, o->name, oe->style); 339 break; 340 case OPTIONS_TABLE_FLAG: 341 o = cmd_set_option_flag(self, cmdq, oe, oo, value); 342 break; 343 case OPTIONS_TABLE_CHOICE: 344 o = cmd_set_option_choice(self, cmdq, oe, oo, value); 345 break; 346 case OPTIONS_TABLE_STYLE: 347 o = cmd_set_option_style(self, cmdq, oe, oo, value); 348 break; 349 } 350 if (o == NULL) 351 return (-1); 352 return (0); 353 } 354 355 /* Set a string option. */ 356 struct options_entry * 357 cmd_set_option_string(struct cmd *self, __unused struct cmd_q *cmdq, 358 const struct options_table_entry *oe, struct options *oo, 359 const char *value) 360 { 361 struct args *args = self->args; 362 struct options_entry *o; 363 char *oldval, *newval; 364 365 if (args_has(args, 'a')) { 366 oldval = options_get_string(oo, oe->name); 367 xasprintf(&newval, "%s%s", oldval, value); 368 } else 369 newval = xstrdup(value); 370 371 o = options_set_string(oo, oe->name, "%s", newval); 372 373 free(newval); 374 return (o); 375 } 376 377 /* Set a number option. */ 378 struct options_entry * 379 cmd_set_option_number(__unused struct cmd *self, struct cmd_q *cmdq, 380 const struct options_table_entry *oe, struct options *oo, 381 const char *value) 382 { 383 long long ll; 384 const char *errstr; 385 386 ll = strtonum(value, oe->minimum, oe->maximum, &errstr); 387 if (errstr != NULL) { 388 cmdq_error(cmdq, "value is %s: %s", errstr, value); 389 return (NULL); 390 } 391 392 return (options_set_number(oo, oe->name, ll)); 393 } 394 395 /* Set a key option. */ 396 struct options_entry * 397 cmd_set_option_key(__unused struct cmd *self, struct cmd_q *cmdq, 398 const struct options_table_entry *oe, struct options *oo, 399 const char *value) 400 { 401 key_code key; 402 403 key = key_string_lookup_string(value); 404 if (key == KEYC_UNKNOWN) { 405 cmdq_error(cmdq, "bad key: %s", value); 406 return (NULL); 407 } 408 409 return (options_set_number(oo, oe->name, key)); 410 } 411 412 /* Set a colour option. */ 413 struct options_entry * 414 cmd_set_option_colour(__unused struct cmd *self, struct cmd_q *cmdq, 415 const struct options_table_entry *oe, struct options *oo, 416 const char *value) 417 { 418 int colour; 419 420 if ((colour = colour_fromstring(value)) == -1) { 421 cmdq_error(cmdq, "bad colour: %s", value); 422 return (NULL); 423 } 424 425 return (options_set_number(oo, oe->name, colour)); 426 } 427 428 /* Set an attributes option. */ 429 struct options_entry * 430 cmd_set_option_attributes(__unused struct cmd *self, struct cmd_q *cmdq, 431 const struct options_table_entry *oe, struct options *oo, 432 const char *value) 433 { 434 int attr; 435 436 if ((attr = attributes_fromstring(value)) == -1) { 437 cmdq_error(cmdq, "bad attributes: %s", value); 438 return (NULL); 439 } 440 441 return (options_set_number(oo, oe->name, attr)); 442 } 443 444 /* Set a flag option. */ 445 struct options_entry * 446 cmd_set_option_flag(__unused struct cmd *self, struct cmd_q *cmdq, 447 const struct options_table_entry *oe, struct options *oo, 448 const char *value) 449 { 450 int flag; 451 452 if (value == NULL || *value == '\0') 453 flag = !options_get_number(oo, oe->name); 454 else { 455 if ((value[0] == '1' && value[1] == '\0') || 456 strcasecmp(value, "on") == 0 || 457 strcasecmp(value, "yes") == 0) 458 flag = 1; 459 else if ((value[0] == '0' && value[1] == '\0') || 460 strcasecmp(value, "off") == 0 || 461 strcasecmp(value, "no") == 0) 462 flag = 0; 463 else { 464 cmdq_error(cmdq, "bad value: %s", value); 465 return (NULL); 466 } 467 } 468 469 return (options_set_number(oo, oe->name, flag)); 470 } 471 472 /* Set a choice option. */ 473 struct options_entry * 474 cmd_set_option_choice(__unused struct cmd *self, struct cmd_q *cmdq, 475 const struct options_table_entry *oe, struct options *oo, 476 const char *value) 477 { 478 const char **choicep; 479 int n, choice = -1; 480 481 if (value == NULL) { 482 choice = options_get_number(oo, oe->name); 483 if (choice < 2) 484 choice = !choice; 485 } else { 486 n = 0; 487 for (choicep = oe->choices; *choicep != NULL; choicep++) { 488 n++; 489 if (strncmp(*choicep, value, strlen(value)) != 0) 490 continue; 491 492 if (choice != -1) { 493 cmdq_error(cmdq, "ambiguous value: %s", value); 494 return (NULL); 495 } 496 choice = n - 1; 497 } 498 if (choice == -1) { 499 cmdq_error(cmdq, "unknown value: %s", value); 500 return (NULL); 501 } 502 } 503 504 return (options_set_number(oo, oe->name, choice)); 505 } 506 507 /* Set a style option. */ 508 struct options_entry * 509 cmd_set_option_style(struct cmd *self, struct cmd_q *cmdq, 510 const struct options_table_entry *oe, struct options *oo, 511 const char *value) 512 { 513 struct args *args = self->args; 514 struct options_entry *o; 515 int append; 516 517 append = args_has(args, 'a'); 518 if ((o = options_set_style(oo, oe->name, value, append)) == NULL) { 519 cmdq_error(cmdq, "bad style: %s", value); 520 return (NULL); 521 } 522 523 style_update_old(oo, oe->name, &o->style); 524 return (o); 525 } 526