1 /* $OpenBSD: cmd-set-option.c,v 1.97 2016/09/26 09:02:34 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 if (strcmp(oe->name, "window-style") == 0 || 204 strcmp(oe->name, "window-active-style") == 0) { 205 RB_FOREACH(w, windows, &windows) 206 w->flags |= WINDOW_STYLECHANGED; 207 } 208 209 /* When the pane-border-status option has been changed, resize panes. */ 210 if (strcmp(oe->name, "pane-border-status") == 0) { 211 RB_FOREACH(w, windows, &windows) 212 layout_fix_panes(w, w->sx, w->sy); 213 } 214 215 /* Update sizes and redraw. May not need it but meh. */ 216 recalculate_sizes(); 217 TAILQ_FOREACH(c, &clients, entry) { 218 if (c->session != NULL) 219 server_redraw_client(c); 220 } 221 222 return (CMD_RETURN_NORMAL); 223 } 224 225 /* Set user option. */ 226 enum cmd_retval 227 cmd_set_option_user(struct cmd *self, struct cmd_q *cmdq, const char *optstr, 228 const char *valstr) 229 { 230 struct args *args = self->args; 231 struct session *s = cmdq->state.tflag.s; 232 struct winlink *wl = cmdq->state.tflag.wl; 233 struct options *oo; 234 struct options_entry *o; 235 236 if (args_has(args, 's')) 237 oo = global_options; 238 else if (args_has(self->args, 'w') || 239 self->entry == &cmd_set_window_option_entry) { 240 if (args_has(self->args, 'g')) 241 oo = global_w_options; 242 else 243 oo = wl->window->options; 244 } else { 245 if (args_has(self->args, 'g')) 246 oo = global_s_options; 247 else 248 oo = s->options; 249 } 250 251 if (args_has(args, 'u')) { 252 if (options_find1(oo, optstr) == NULL) { 253 if (!args_has(args, 'q')) { 254 cmdq_error(cmdq, "unknown option: %s", optstr); 255 return (CMD_RETURN_ERROR); 256 } 257 return (CMD_RETURN_NORMAL); 258 } 259 if (valstr != NULL) { 260 cmdq_error(cmdq, "value passed to unset option: %s", 261 optstr); 262 return (CMD_RETURN_ERROR); 263 } 264 options_remove(oo, optstr); 265 } else { 266 o = options_find1(oo, optstr); 267 if (args_has(args, 'o') && o != NULL) { 268 if (!args_has(args, 'q')) { 269 cmdq_error(cmdq, "already set: %s", optstr); 270 return (CMD_RETURN_ERROR); 271 } 272 return (CMD_RETURN_NORMAL); 273 } 274 if (valstr == NULL) { 275 cmdq_error(cmdq, "empty value"); 276 return (CMD_RETURN_ERROR); 277 } 278 if (o != NULL && args_has(args, 'a')) 279 options_set_string(oo, optstr, "%s%s", o->str, valstr); 280 else 281 options_set_string(oo, optstr, "%s", valstr); 282 } 283 return (CMD_RETURN_NORMAL); 284 } 285 286 /* Unset an option. */ 287 int 288 cmd_set_option_unset(struct cmd *self, struct cmd_q *cmdq, 289 const struct options_table_entry *oe, struct options *oo, 290 const char *value) 291 { 292 struct args *args = self->args; 293 294 if (value != NULL) { 295 cmdq_error(cmdq, "value passed to unset option: %s", oe->name); 296 return (-1); 297 } 298 299 if (args_has(args, 'g') || oo == global_options) { 300 switch (oe->type) { 301 case OPTIONS_TABLE_STRING: 302 options_set_string(oo, oe->name, "%s", oe->default_str); 303 break; 304 case OPTIONS_TABLE_STYLE: 305 options_set_style(oo, oe->name, oe->default_str, 0); 306 break; 307 default: 308 options_set_number(oo, oe->name, oe->default_num); 309 break; 310 } 311 } else 312 options_remove(oo, oe->name); 313 return (0); 314 } 315 316 /* Set an option. */ 317 int 318 cmd_set_option_set(struct cmd *self, struct cmd_q *cmdq, 319 const struct options_table_entry *oe, struct options *oo, 320 const char *value) 321 { 322 struct options_entry *o; 323 324 switch (oe->type) { 325 case OPTIONS_TABLE_FLAG: 326 case OPTIONS_TABLE_CHOICE: 327 break; 328 default: 329 if (value == NULL) { 330 cmdq_error(cmdq, "empty value"); 331 return (-1); 332 } 333 } 334 335 o = NULL; 336 switch (oe->type) { 337 case OPTIONS_TABLE_STRING: 338 o = cmd_set_option_string(self, cmdq, oe, oo, value); 339 break; 340 case OPTIONS_TABLE_NUMBER: 341 o = cmd_set_option_number(self, cmdq, oe, oo, value); 342 break; 343 case OPTIONS_TABLE_KEY: 344 o = cmd_set_option_key(self, cmdq, oe, oo, value); 345 break; 346 case OPTIONS_TABLE_COLOUR: 347 o = cmd_set_option_colour(self, cmdq, oe, oo, value); 348 if (o != NULL) 349 style_update_new(oo, o->name, oe->style); 350 break; 351 case OPTIONS_TABLE_ATTRIBUTES: 352 o = cmd_set_option_attributes(self, cmdq, oe, oo, value); 353 if (o != NULL) 354 style_update_new(oo, o->name, oe->style); 355 break; 356 case OPTIONS_TABLE_FLAG: 357 o = cmd_set_option_flag(self, cmdq, oe, oo, value); 358 break; 359 case OPTIONS_TABLE_CHOICE: 360 o = cmd_set_option_choice(self, cmdq, oe, oo, value); 361 break; 362 case OPTIONS_TABLE_STYLE: 363 o = cmd_set_option_style(self, cmdq, oe, oo, value); 364 break; 365 } 366 if (o == NULL) 367 return (-1); 368 return (0); 369 } 370 371 /* Set a string option. */ 372 struct options_entry * 373 cmd_set_option_string(struct cmd *self, __unused struct cmd_q *cmdq, 374 const struct options_table_entry *oe, struct options *oo, 375 const char *value) 376 { 377 struct args *args = self->args; 378 struct options_entry *o; 379 char *oldval, *newval; 380 381 if (args_has(args, 'a')) { 382 oldval = options_get_string(oo, oe->name); 383 xasprintf(&newval, "%s%s", oldval, value); 384 } else 385 newval = xstrdup(value); 386 387 o = options_set_string(oo, oe->name, "%s", newval); 388 389 free(newval); 390 return (o); 391 } 392 393 /* Set a number option. */ 394 struct options_entry * 395 cmd_set_option_number(__unused struct cmd *self, struct cmd_q *cmdq, 396 const struct options_table_entry *oe, struct options *oo, 397 const char *value) 398 { 399 long long ll; 400 const char *errstr; 401 402 ll = strtonum(value, oe->minimum, oe->maximum, &errstr); 403 if (errstr != NULL) { 404 cmdq_error(cmdq, "value is %s: %s", errstr, value); 405 return (NULL); 406 } 407 408 return (options_set_number(oo, oe->name, ll)); 409 } 410 411 /* Set a key option. */ 412 struct options_entry * 413 cmd_set_option_key(__unused struct cmd *self, struct cmd_q *cmdq, 414 const struct options_table_entry *oe, struct options *oo, 415 const char *value) 416 { 417 key_code key; 418 419 key = key_string_lookup_string(value); 420 if (key == KEYC_UNKNOWN) { 421 cmdq_error(cmdq, "bad key: %s", value); 422 return (NULL); 423 } 424 425 return (options_set_number(oo, oe->name, key)); 426 } 427 428 /* Set a colour option. */ 429 struct options_entry * 430 cmd_set_option_colour(__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 colour; 435 436 if ((colour = colour_fromstring(value)) == -1) { 437 cmdq_error(cmdq, "bad colour: %s", value); 438 return (NULL); 439 } 440 441 return (options_set_number(oo, oe->name, colour)); 442 } 443 444 /* Set an attributes option. */ 445 struct options_entry * 446 cmd_set_option_attributes(__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 attr; 451 452 if ((attr = attributes_fromstring(value)) == -1) { 453 cmdq_error(cmdq, "bad attributes: %s", value); 454 return (NULL); 455 } 456 457 return (options_set_number(oo, oe->name, attr)); 458 } 459 460 /* Set a flag option. */ 461 struct options_entry * 462 cmd_set_option_flag(__unused struct cmd *self, struct cmd_q *cmdq, 463 const struct options_table_entry *oe, struct options *oo, 464 const char *value) 465 { 466 int flag; 467 468 if (value == NULL || *value == '\0') 469 flag = !options_get_number(oo, oe->name); 470 else { 471 if ((value[0] == '1' && value[1] == '\0') || 472 strcasecmp(value, "on") == 0 || 473 strcasecmp(value, "yes") == 0) 474 flag = 1; 475 else if ((value[0] == '0' && value[1] == '\0') || 476 strcasecmp(value, "off") == 0 || 477 strcasecmp(value, "no") == 0) 478 flag = 0; 479 else { 480 cmdq_error(cmdq, "bad value: %s", value); 481 return (NULL); 482 } 483 } 484 485 return (options_set_number(oo, oe->name, flag)); 486 } 487 488 /* Set a choice option. */ 489 struct options_entry * 490 cmd_set_option_choice(__unused struct cmd *self, struct cmd_q *cmdq, 491 const struct options_table_entry *oe, struct options *oo, 492 const char *value) 493 { 494 const char **choicep; 495 int n, choice = -1; 496 497 if (value == NULL) { 498 choice = options_get_number(oo, oe->name); 499 if (choice < 2) 500 choice = !choice; 501 } else { 502 n = 0; 503 for (choicep = oe->choices; *choicep != NULL; choicep++) { 504 n++; 505 if (strncmp(*choicep, value, strlen(value)) != 0) 506 continue; 507 508 if (choice != -1) { 509 cmdq_error(cmdq, "ambiguous value: %s", value); 510 return (NULL); 511 } 512 choice = n - 1; 513 } 514 if (choice == -1) { 515 cmdq_error(cmdq, "unknown value: %s", value); 516 return (NULL); 517 } 518 } 519 520 return (options_set_number(oo, oe->name, choice)); 521 } 522 523 /* Set a style option. */ 524 struct options_entry * 525 cmd_set_option_style(struct cmd *self, struct cmd_q *cmdq, 526 const struct options_table_entry *oe, struct options *oo, 527 const char *value) 528 { 529 struct args *args = self->args; 530 struct options_entry *o; 531 int append; 532 533 append = args_has(args, 'a'); 534 if ((o = options_set_style(oo, oe->name, value, append)) == NULL) { 535 cmdq_error(cmdq, "bad style: %s", value); 536 return (NULL); 537 } 538 539 style_update_old(oo, oe->name, &o->style); 540 return (o); 541 } 542