1 /* $OpenBSD: cmd-set-option.c,v 1.104 2017/01/12 15:36:35 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. */ 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 /* Update timers and so on for various options. */ 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 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 static enum cmd_retval 227 cmd_set_option_user(struct cmd *self, struct cmdq_item *item, 228 const char *optstr, const char *valstr) 229 { 230 struct args *args = self->args; 231 struct session *s = item->state.tflag.s; 232 struct winlink *wl = item->state.tflag.wl; 233 struct options *oo; 234 struct options_entry *o; 235 const char *target; 236 237 if (args_has(args, 's')) 238 oo = global_options; 239 else if (args_has(self->args, 'w') || 240 self->entry == &cmd_set_window_option_entry) { 241 if (args_has(self->args, 'g')) 242 oo = global_w_options; 243 else if (wl == NULL) { 244 target = args_get(args, 't'); 245 if (target != NULL) { 246 cmdq_error(item, "no such window: %s", 247 target); 248 } else 249 cmdq_error(item, "no current window"); 250 return (CMD_RETURN_ERROR); 251 } else 252 oo = wl->window->options; 253 } else { 254 if (args_has(self->args, 'g')) 255 oo = global_s_options; 256 else if (s == NULL) { 257 target = args_get(args, 't'); 258 if (target != NULL) { 259 cmdq_error(item, "no such session: %s", 260 target); 261 } else 262 cmdq_error(item, "no current session"); 263 return (CMD_RETURN_ERROR); 264 } else 265 oo = s->options; 266 } 267 268 if (args_has(args, 'u')) { 269 if (options_find1(oo, optstr) == NULL) { 270 if (!args_has(args, 'q')) { 271 cmdq_error(item, "unknown option: %s", optstr); 272 return (CMD_RETURN_ERROR); 273 } 274 return (CMD_RETURN_NORMAL); 275 } 276 if (valstr != NULL) { 277 cmdq_error(item, "value passed to unset option: %s", 278 optstr); 279 return (CMD_RETURN_ERROR); 280 } 281 options_remove(oo, optstr); 282 } else { 283 o = options_find1(oo, optstr); 284 if (args_has(args, 'o') && o != NULL) { 285 if (!args_has(args, 'q')) { 286 cmdq_error(item, "already set: %s", optstr); 287 return (CMD_RETURN_ERROR); 288 } 289 return (CMD_RETURN_NORMAL); 290 } 291 if (valstr == NULL) { 292 cmdq_error(item, "empty value"); 293 return (CMD_RETURN_ERROR); 294 } 295 options_set_string(oo, optstr, args_has(args, 'a'), "%s", 296 valstr); 297 } 298 return (CMD_RETURN_NORMAL); 299 } 300 301 /* Unset an option. */ 302 static int 303 cmd_set_option_unset(struct cmd *self, struct cmdq_item *item, 304 const struct options_table_entry *oe, struct options *oo, 305 const char *value) 306 { 307 struct args *args = self->args; 308 309 if (value != NULL) { 310 cmdq_error(item, "value passed to unset option: %s", oe->name); 311 return (-1); 312 } 313 314 if (args_has(args, 'g') || oo == global_options) { 315 switch (oe->type) { 316 case OPTIONS_TABLE_STRING: 317 options_set_string(oo, oe->name, 0, "%s", 318 oe->default_str); 319 break; 320 case OPTIONS_TABLE_STYLE: 321 options_set_style(oo, oe->name, 0, oe->default_str); 322 break; 323 default: 324 options_set_number(oo, oe->name, oe->default_num); 325 break; 326 } 327 } else 328 options_remove(oo, oe->name); 329 return (0); 330 } 331 332 /* Set an option. */ 333 static int 334 cmd_set_option_set(struct cmd *self, struct cmdq_item *item, 335 const struct options_table_entry *oe, struct options *oo, 336 const char *value) 337 { 338 struct options_entry *o; 339 340 switch (oe->type) { 341 case OPTIONS_TABLE_FLAG: 342 case OPTIONS_TABLE_CHOICE: 343 break; 344 default: 345 if (value == NULL) { 346 cmdq_error(item, "empty value"); 347 return (-1); 348 } 349 } 350 351 o = NULL; 352 switch (oe->type) { 353 case OPTIONS_TABLE_STRING: 354 o = cmd_set_option_string(self, item, oe, oo, value); 355 break; 356 case OPTIONS_TABLE_NUMBER: 357 o = cmd_set_option_number(self, item, oe, oo, value); 358 break; 359 case OPTIONS_TABLE_KEY: 360 o = cmd_set_option_key(self, item, oe, oo, value); 361 break; 362 case OPTIONS_TABLE_COLOUR: 363 o = cmd_set_option_colour(self, item, oe, oo, value); 364 if (o != NULL) 365 style_update_new(oo, o->name, oe->style); 366 break; 367 case OPTIONS_TABLE_ATTRIBUTES: 368 o = cmd_set_option_attributes(self, item, oe, oo, value); 369 if (o != NULL) 370 style_update_new(oo, o->name, oe->style); 371 break; 372 case OPTIONS_TABLE_FLAG: 373 o = cmd_set_option_flag(self, item, oe, oo, value); 374 break; 375 case OPTIONS_TABLE_CHOICE: 376 o = cmd_set_option_choice(self, item, oe, oo, value); 377 break; 378 case OPTIONS_TABLE_STYLE: 379 o = cmd_set_option_style(self, item, oe, oo, value); 380 break; 381 } 382 if (o == NULL) 383 return (-1); 384 return (0); 385 } 386 387 /* Set a string option. */ 388 static struct options_entry * 389 cmd_set_option_string(struct cmd *self, __unused struct cmdq_item *item, 390 const struct options_table_entry *oe, struct options *oo, 391 const char *value) 392 { 393 struct args *args = self->args; 394 int append = args_has(args, 'a'); 395 396 return (options_set_string(oo, oe->name, append, "%s", value)); 397 } 398 399 /* Set a number option. */ 400 static struct options_entry * 401 cmd_set_option_number(__unused struct cmd *self, struct cmdq_item *item, 402 const struct options_table_entry *oe, struct options *oo, 403 const char *value) 404 { 405 long long ll; 406 const char *errstr; 407 408 ll = strtonum(value, oe->minimum, oe->maximum, &errstr); 409 if (errstr != NULL) { 410 cmdq_error(item, "value is %s: %s", errstr, value); 411 return (NULL); 412 } 413 414 return (options_set_number(oo, oe->name, ll)); 415 } 416 417 /* Set a key option. */ 418 static struct options_entry * 419 cmd_set_option_key(__unused struct cmd *self, struct cmdq_item *item, 420 const struct options_table_entry *oe, struct options *oo, 421 const char *value) 422 { 423 key_code key; 424 425 key = key_string_lookup_string(value); 426 if (key == KEYC_UNKNOWN) { 427 cmdq_error(item, "bad key: %s", value); 428 return (NULL); 429 } 430 431 return (options_set_number(oo, oe->name, key)); 432 } 433 434 /* Set a colour option. */ 435 static struct options_entry * 436 cmd_set_option_colour(__unused struct cmd *self, struct cmdq_item *item, 437 const struct options_table_entry *oe, struct options *oo, 438 const char *value) 439 { 440 int colour; 441 442 if ((colour = colour_fromstring(value)) == -1) { 443 cmdq_error(item, "bad colour: %s", value); 444 return (NULL); 445 } 446 447 return (options_set_number(oo, oe->name, colour)); 448 } 449 450 /* Set an attributes option. */ 451 static struct options_entry * 452 cmd_set_option_attributes(__unused struct cmd *self, struct cmdq_item *item, 453 const struct options_table_entry *oe, struct options *oo, 454 const char *value) 455 { 456 int attr; 457 458 if ((attr = attributes_fromstring(value)) == -1) { 459 cmdq_error(item, "bad attributes: %s", value); 460 return (NULL); 461 } 462 463 return (options_set_number(oo, oe->name, attr)); 464 } 465 466 /* Set a flag option. */ 467 static struct options_entry * 468 cmd_set_option_flag(__unused struct cmd *self, struct cmdq_item *item, 469 const struct options_table_entry *oe, struct options *oo, 470 const char *value) 471 { 472 int flag; 473 474 if (value == NULL || *value == '\0') 475 flag = !options_get_number(oo, oe->name); 476 else { 477 if ((value[0] == '1' && value[1] == '\0') || 478 strcasecmp(value, "on") == 0 || 479 strcasecmp(value, "yes") == 0) 480 flag = 1; 481 else if ((value[0] == '0' && value[1] == '\0') || 482 strcasecmp(value, "off") == 0 || 483 strcasecmp(value, "no") == 0) 484 flag = 0; 485 else { 486 cmdq_error(item, "bad value: %s", value); 487 return (NULL); 488 } 489 } 490 491 return (options_set_number(oo, oe->name, flag)); 492 } 493 494 /* Set a choice option. */ 495 static struct options_entry * 496 cmd_set_option_choice(__unused struct cmd *self, struct cmdq_item *item, 497 const struct options_table_entry *oe, struct options *oo, 498 const char *value) 499 { 500 const char **choicep; 501 int n, choice = -1; 502 503 if (value == NULL) { 504 choice = options_get_number(oo, oe->name); 505 if (choice < 2) 506 choice = !choice; 507 } else { 508 n = 0; 509 for (choicep = oe->choices; *choicep != NULL; choicep++) { 510 n++; 511 if (strncmp(*choicep, value, strlen(value)) != 0) 512 continue; 513 514 if (choice != -1) { 515 cmdq_error(item, "ambiguous value: %s", value); 516 return (NULL); 517 } 518 choice = n - 1; 519 } 520 if (choice == -1) { 521 cmdq_error(item, "unknown value: %s", value); 522 return (NULL); 523 } 524 } 525 526 return (options_set_number(oo, oe->name, choice)); 527 } 528 529 /* Set a style option. */ 530 static struct options_entry * 531 cmd_set_option_style(struct cmd *self, struct cmdq_item *item, 532 const struct options_table_entry *oe, struct options *oo, 533 const char *value) 534 { 535 struct args *args = self->args; 536 int append = args_has(args, 'a'); 537 struct options_entry *o; 538 539 if ((o = options_set_style(oo, oe->name, append, value)) == NULL) { 540 cmdq_error(item, "bad style: %s", value); 541 return (NULL); 542 } 543 544 style_update_old(oo, oe->name, &o->style); 545 return (o); 546 } 547