1 /* $OpenBSD: cmd-set-option.c,v 1.102 2016/11/04 18:56:25 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 static enum cmd_retval cmd_set_option_exec(struct cmd *, struct cmdq_item *); 31 32 static enum cmd_retval cmd_set_option_user(struct cmd *, struct cmdq_item *, 33 const char *, const char *); 34 35 static int cmd_set_option_unset(struct cmd *, struct cmdq_item *, 36 const struct options_table_entry *, struct options *, 37 const char *); 38 static int cmd_set_option_set(struct cmd *, struct cmdq_item *, 39 const struct options_table_entry *, struct options *, 40 const char *); 41 42 static struct options_entry *cmd_set_option_string(struct cmd *, 43 struct cmdq_item *, const struct options_table_entry *, 44 struct options *, const char *); 45 static struct options_entry *cmd_set_option_number(struct cmd *, 46 struct cmdq_item *, const struct options_table_entry *, 47 struct options *, const char *); 48 static struct options_entry *cmd_set_option_key(struct cmd *, 49 struct cmdq_item *, const struct options_table_entry *, 50 struct options *, const char *); 51 static struct options_entry *cmd_set_option_colour(struct cmd *, 52 struct cmdq_item *, const struct options_table_entry *, 53 struct options *, const char *); 54 static struct options_entry *cmd_set_option_attributes(struct cmd *, 55 struct cmdq_item *, const struct options_table_entry *, 56 struct options *, const char *); 57 static struct options_entry *cmd_set_option_flag(struct cmd *, 58 struct cmdq_item *, const struct options_table_entry *, 59 struct options *, const char *); 60 static struct options_entry *cmd_set_option_choice(struct cmd *, 61 struct cmdq_item *, const struct options_table_entry *, 62 struct options *, const char *); 63 static struct options_entry *cmd_set_option_style(struct cmd *, 64 struct cmdq_item *, const struct options_table_entry *, 65 struct options *, 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 = CMD_AFTERHOOK, 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 = CMD_AFTERHOOK, 90 .exec = cmd_set_option_exec 91 }; 92 93 static enum cmd_retval 94 cmd_set_option_exec(struct cmd *self, struct cmdq_item *item) 95 { 96 struct args *args = self->args; 97 struct session *s = item->state.tflag.s; 98 struct winlink *wl = item->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(item, "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, item, 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(item, "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(item, "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(item, "no such window: %s", 147 target); 148 } else 149 cmdq_error(item, "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(item, "no such session: %s", 160 target); 161 } else 162 cmdq_error(item, "no current session"); 163 return (CMD_RETURN_ERROR); 164 } else 165 oo = s->options; 166 } else { 167 cmdq_error(item, "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, item, 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(item, "already set: %s", optstr); 179 return (CMD_RETURN_ERROR); 180 } 181 return (CMD_RETURN_NORMAL); 182 } 183 if (cmd_set_option_set(self, item, 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 (w->active == NULL) 191 continue; 192 if (options_get_number(w->options, "automatic-rename")) 193 w->active->flags |= PANE_CHANGED; 194 } 195 } 196 if (strcmp(oe->name, "key-table") == 0) { 197 TAILQ_FOREACH(c, &clients, entry) 198 server_client_set_key_table(c, NULL); 199 } 200 if (strcmp(oe->name, "status") == 0 || 201 strcmp(oe->name, "status-interval") == 0) 202 status_timer_start_all(); 203 if (strcmp(oe->name, "monitor-silence") == 0) 204 alerts_reset_all(); 205 if (strcmp(oe->name, "window-style") == 0 || 206 strcmp(oe->name, "window-active-style") == 0) { 207 RB_FOREACH(w, windows, &windows) 208 w->flags |= WINDOW_STYLECHANGED; 209 } 210 211 /* When the pane-border-status option has been changed, resize panes. */ 212 if (strcmp(oe->name, "pane-border-status") == 0) { 213 RB_FOREACH(w, windows, &windows) 214 layout_fix_panes(w, w->sx, w->sy); 215 } 216 217 /* Update sizes and redraw. May not need it but meh. */ 218 recalculate_sizes(); 219 TAILQ_FOREACH(c, &clients, entry) { 220 if (c->session != NULL) 221 server_redraw_client(c); 222 } 223 224 return (CMD_RETURN_NORMAL); 225 } 226 227 /* Set user option. */ 228 static enum cmd_retval 229 cmd_set_option_user(struct cmd *self, struct cmdq_item *item, 230 const char *optstr, const char *valstr) 231 { 232 struct args *args = self->args; 233 struct session *s = item->state.tflag.s; 234 struct winlink *wl = item->state.tflag.wl; 235 struct options *oo; 236 struct options_entry *o; 237 const char *target; 238 239 if (args_has(args, 's')) 240 oo = global_options; 241 else if (args_has(self->args, 'w') || 242 self->entry == &cmd_set_window_option_entry) { 243 if (args_has(self->args, 'g')) 244 oo = global_w_options; 245 else if (wl == NULL) { 246 target = args_get(args, 't'); 247 if (target != NULL) { 248 cmdq_error(item, "no such window: %s", 249 target); 250 } else 251 cmdq_error(item, "no current window"); 252 return (CMD_RETURN_ERROR); 253 } else 254 oo = wl->window->options; 255 } else { 256 if (args_has(self->args, 'g')) 257 oo = global_s_options; 258 else if (s == NULL) { 259 target = args_get(args, 't'); 260 if (target != NULL) { 261 cmdq_error(item, "no such session: %s", 262 target); 263 } else 264 cmdq_error(item, "no current session"); 265 return (CMD_RETURN_ERROR); 266 } else 267 oo = s->options; 268 } 269 270 if (args_has(args, 'u')) { 271 if (options_find1(oo, optstr) == NULL) { 272 if (!args_has(args, 'q')) { 273 cmdq_error(item, "unknown option: %s", optstr); 274 return (CMD_RETURN_ERROR); 275 } 276 return (CMD_RETURN_NORMAL); 277 } 278 if (valstr != NULL) { 279 cmdq_error(item, "value passed to unset option: %s", 280 optstr); 281 return (CMD_RETURN_ERROR); 282 } 283 options_remove(oo, optstr); 284 } else { 285 o = options_find1(oo, optstr); 286 if (args_has(args, 'o') && o != NULL) { 287 if (!args_has(args, 'q')) { 288 cmdq_error(item, "already set: %s", optstr); 289 return (CMD_RETURN_ERROR); 290 } 291 return (CMD_RETURN_NORMAL); 292 } 293 if (valstr == NULL) { 294 cmdq_error(item, "empty value"); 295 return (CMD_RETURN_ERROR); 296 } 297 if (o != NULL && args_has(args, 'a')) 298 options_set_string(oo, optstr, "%s%s", o->str, valstr); 299 else 300 options_set_string(oo, optstr, "%s", valstr); 301 } 302 return (CMD_RETURN_NORMAL); 303 } 304 305 /* Unset an option. */ 306 static int 307 cmd_set_option_unset(struct cmd *self, struct cmdq_item *item, 308 const struct options_table_entry *oe, struct options *oo, 309 const char *value) 310 { 311 struct args *args = self->args; 312 313 if (value != NULL) { 314 cmdq_error(item, "value passed to unset option: %s", oe->name); 315 return (-1); 316 } 317 318 if (args_has(args, 'g') || oo == global_options) { 319 switch (oe->type) { 320 case OPTIONS_TABLE_STRING: 321 options_set_string(oo, oe->name, "%s", oe->default_str); 322 break; 323 case OPTIONS_TABLE_STYLE: 324 options_set_style(oo, oe->name, oe->default_str, 0); 325 break; 326 default: 327 options_set_number(oo, oe->name, oe->default_num); 328 break; 329 } 330 } else 331 options_remove(oo, oe->name); 332 return (0); 333 } 334 335 /* Set an option. */ 336 static int 337 cmd_set_option_set(struct cmd *self, struct cmdq_item *item, 338 const struct options_table_entry *oe, struct options *oo, 339 const char *value) 340 { 341 struct options_entry *o; 342 343 switch (oe->type) { 344 case OPTIONS_TABLE_FLAG: 345 case OPTIONS_TABLE_CHOICE: 346 break; 347 default: 348 if (value == NULL) { 349 cmdq_error(item, "empty value"); 350 return (-1); 351 } 352 } 353 354 o = NULL; 355 switch (oe->type) { 356 case OPTIONS_TABLE_STRING: 357 o = cmd_set_option_string(self, item, oe, oo, value); 358 break; 359 case OPTIONS_TABLE_NUMBER: 360 o = cmd_set_option_number(self, item, oe, oo, value); 361 break; 362 case OPTIONS_TABLE_KEY: 363 o = cmd_set_option_key(self, item, oe, oo, value); 364 break; 365 case OPTIONS_TABLE_COLOUR: 366 o = cmd_set_option_colour(self, item, oe, oo, value); 367 if (o != NULL) 368 style_update_new(oo, o->name, oe->style); 369 break; 370 case OPTIONS_TABLE_ATTRIBUTES: 371 o = cmd_set_option_attributes(self, item, oe, oo, value); 372 if (o != NULL) 373 style_update_new(oo, o->name, oe->style); 374 break; 375 case OPTIONS_TABLE_FLAG: 376 o = cmd_set_option_flag(self, item, oe, oo, value); 377 break; 378 case OPTIONS_TABLE_CHOICE: 379 o = cmd_set_option_choice(self, item, oe, oo, value); 380 break; 381 case OPTIONS_TABLE_STYLE: 382 o = cmd_set_option_style(self, item, oe, oo, value); 383 break; 384 } 385 if (o == NULL) 386 return (-1); 387 return (0); 388 } 389 390 /* Set a string option. */ 391 static struct options_entry * 392 cmd_set_option_string(struct cmd *self, __unused struct cmdq_item *item, 393 const struct options_table_entry *oe, struct options *oo, 394 const char *value) 395 { 396 struct args *args = self->args; 397 struct options_entry *o; 398 char *oldval, *newval; 399 400 if (args_has(args, 'a')) { 401 oldval = options_get_string(oo, oe->name); 402 xasprintf(&newval, "%s%s", oldval, value); 403 } else 404 newval = xstrdup(value); 405 406 o = options_set_string(oo, oe->name, "%s", newval); 407 408 free(newval); 409 return (o); 410 } 411 412 /* Set a number option. */ 413 static struct options_entry * 414 cmd_set_option_number(__unused struct cmd *self, struct cmdq_item *item, 415 const struct options_table_entry *oe, struct options *oo, 416 const char *value) 417 { 418 long long ll; 419 const char *errstr; 420 421 ll = strtonum(value, oe->minimum, oe->maximum, &errstr); 422 if (errstr != NULL) { 423 cmdq_error(item, "value is %s: %s", errstr, value); 424 return (NULL); 425 } 426 427 return (options_set_number(oo, oe->name, ll)); 428 } 429 430 /* Set a key option. */ 431 static struct options_entry * 432 cmd_set_option_key(__unused struct cmd *self, struct cmdq_item *item, 433 const struct options_table_entry *oe, struct options *oo, 434 const char *value) 435 { 436 key_code key; 437 438 key = key_string_lookup_string(value); 439 if (key == KEYC_UNKNOWN) { 440 cmdq_error(item, "bad key: %s", value); 441 return (NULL); 442 } 443 444 return (options_set_number(oo, oe->name, key)); 445 } 446 447 /* Set a colour option. */ 448 static struct options_entry * 449 cmd_set_option_colour(__unused struct cmd *self, struct cmdq_item *item, 450 const struct options_table_entry *oe, struct options *oo, 451 const char *value) 452 { 453 int colour; 454 455 if ((colour = colour_fromstring(value)) == -1) { 456 cmdq_error(item, "bad colour: %s", value); 457 return (NULL); 458 } 459 460 return (options_set_number(oo, oe->name, colour)); 461 } 462 463 /* Set an attributes option. */ 464 static struct options_entry * 465 cmd_set_option_attributes(__unused struct cmd *self, struct cmdq_item *item, 466 const struct options_table_entry *oe, struct options *oo, 467 const char *value) 468 { 469 int attr; 470 471 if ((attr = attributes_fromstring(value)) == -1) { 472 cmdq_error(item, "bad attributes: %s", value); 473 return (NULL); 474 } 475 476 return (options_set_number(oo, oe->name, attr)); 477 } 478 479 /* Set a flag option. */ 480 static struct options_entry * 481 cmd_set_option_flag(__unused struct cmd *self, struct cmdq_item *item, 482 const struct options_table_entry *oe, struct options *oo, 483 const char *value) 484 { 485 int flag; 486 487 if (value == NULL || *value == '\0') 488 flag = !options_get_number(oo, oe->name); 489 else { 490 if ((value[0] == '1' && value[1] == '\0') || 491 strcasecmp(value, "on") == 0 || 492 strcasecmp(value, "yes") == 0) 493 flag = 1; 494 else if ((value[0] == '0' && value[1] == '\0') || 495 strcasecmp(value, "off") == 0 || 496 strcasecmp(value, "no") == 0) 497 flag = 0; 498 else { 499 cmdq_error(item, "bad value: %s", value); 500 return (NULL); 501 } 502 } 503 504 return (options_set_number(oo, oe->name, flag)); 505 } 506 507 /* Set a choice option. */ 508 static struct options_entry * 509 cmd_set_option_choice(__unused struct cmd *self, struct cmdq_item *item, 510 const struct options_table_entry *oe, struct options *oo, 511 const char *value) 512 { 513 const char **choicep; 514 int n, choice = -1; 515 516 if (value == NULL) { 517 choice = options_get_number(oo, oe->name); 518 if (choice < 2) 519 choice = !choice; 520 } else { 521 n = 0; 522 for (choicep = oe->choices; *choicep != NULL; choicep++) { 523 n++; 524 if (strncmp(*choicep, value, strlen(value)) != 0) 525 continue; 526 527 if (choice != -1) { 528 cmdq_error(item, "ambiguous value: %s", value); 529 return (NULL); 530 } 531 choice = n - 1; 532 } 533 if (choice == -1) { 534 cmdq_error(item, "unknown value: %s", value); 535 return (NULL); 536 } 537 } 538 539 return (options_set_number(oo, oe->name, choice)); 540 } 541 542 /* Set a style option. */ 543 static struct options_entry * 544 cmd_set_option_style(struct cmd *self, struct cmdq_item *item, 545 const struct options_table_entry *oe, struct options *oo, 546 const char *value) 547 { 548 struct args *args = self->args; 549 struct options_entry *o; 550 int append; 551 552 append = args_has(args, 'a'); 553 if ((o = options_set_style(oo, oe->name, value, append)) == NULL) { 554 cmdq_error(item, "bad style: %s", value); 555 return (NULL); 556 } 557 558 style_update_old(oo, oe->name, &o->style); 559 return (o); 560 } 561