1 /* $OpenBSD: cmd-set-option.c,v 1.103 2017/01/11 14:56:44 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 if (o != NULL && args_has(args, 'a')) 296 options_set_string(oo, optstr, "%s%s", o->str, valstr); 297 else 298 options_set_string(oo, optstr, "%s", valstr); 299 } 300 return (CMD_RETURN_NORMAL); 301 } 302 303 /* Unset an option. */ 304 static int 305 cmd_set_option_unset(struct cmd *self, struct cmdq_item *item, 306 const struct options_table_entry *oe, struct options *oo, 307 const char *value) 308 { 309 struct args *args = self->args; 310 311 if (value != NULL) { 312 cmdq_error(item, "value passed to unset option: %s", oe->name); 313 return (-1); 314 } 315 316 if (args_has(args, 'g') || oo == global_options) { 317 switch (oe->type) { 318 case OPTIONS_TABLE_STRING: 319 options_set_string(oo, oe->name, "%s", oe->default_str); 320 break; 321 case OPTIONS_TABLE_STYLE: 322 options_set_style(oo, oe->name, oe->default_str, 0); 323 break; 324 default: 325 options_set_number(oo, oe->name, oe->default_num); 326 break; 327 } 328 } else 329 options_remove(oo, oe->name); 330 return (0); 331 } 332 333 /* Set an option. */ 334 static int 335 cmd_set_option_set(struct cmd *self, struct cmdq_item *item, 336 const struct options_table_entry *oe, struct options *oo, 337 const char *value) 338 { 339 struct options_entry *o; 340 341 switch (oe->type) { 342 case OPTIONS_TABLE_FLAG: 343 case OPTIONS_TABLE_CHOICE: 344 break; 345 default: 346 if (value == NULL) { 347 cmdq_error(item, "empty value"); 348 return (-1); 349 } 350 } 351 352 o = NULL; 353 switch (oe->type) { 354 case OPTIONS_TABLE_STRING: 355 o = cmd_set_option_string(self, item, oe, oo, value); 356 break; 357 case OPTIONS_TABLE_NUMBER: 358 o = cmd_set_option_number(self, item, oe, oo, value); 359 break; 360 case OPTIONS_TABLE_KEY: 361 o = cmd_set_option_key(self, item, oe, oo, value); 362 break; 363 case OPTIONS_TABLE_COLOUR: 364 o = cmd_set_option_colour(self, item, oe, oo, value); 365 if (o != NULL) 366 style_update_new(oo, o->name, oe->style); 367 break; 368 case OPTIONS_TABLE_ATTRIBUTES: 369 o = cmd_set_option_attributes(self, item, oe, oo, value); 370 if (o != NULL) 371 style_update_new(oo, o->name, oe->style); 372 break; 373 case OPTIONS_TABLE_FLAG: 374 o = cmd_set_option_flag(self, item, oe, oo, value); 375 break; 376 case OPTIONS_TABLE_CHOICE: 377 o = cmd_set_option_choice(self, item, oe, oo, value); 378 break; 379 case OPTIONS_TABLE_STYLE: 380 o = cmd_set_option_style(self, item, oe, oo, value); 381 break; 382 } 383 if (o == NULL) 384 return (-1); 385 return (0); 386 } 387 388 /* Set a string option. */ 389 static struct options_entry * 390 cmd_set_option_string(struct cmd *self, __unused struct cmdq_item *item, 391 const struct options_table_entry *oe, struct options *oo, 392 const char *value) 393 { 394 struct args *args = self->args; 395 struct options_entry *o; 396 char *oldval, *newval; 397 398 if (args_has(args, 'a')) { 399 oldval = options_get_string(oo, oe->name); 400 xasprintf(&newval, "%s%s", oldval, value); 401 } else 402 newval = xstrdup(value); 403 404 o = options_set_string(oo, oe->name, "%s", newval); 405 406 free(newval); 407 return (o); 408 } 409 410 /* Set a number option. */ 411 static struct options_entry * 412 cmd_set_option_number(__unused struct cmd *self, struct cmdq_item *item, 413 const struct options_table_entry *oe, struct options *oo, 414 const char *value) 415 { 416 long long ll; 417 const char *errstr; 418 419 ll = strtonum(value, oe->minimum, oe->maximum, &errstr); 420 if (errstr != NULL) { 421 cmdq_error(item, "value is %s: %s", errstr, value); 422 return (NULL); 423 } 424 425 return (options_set_number(oo, oe->name, ll)); 426 } 427 428 /* Set a key option. */ 429 static struct options_entry * 430 cmd_set_option_key(__unused struct cmd *self, struct cmdq_item *item, 431 const struct options_table_entry *oe, struct options *oo, 432 const char *value) 433 { 434 key_code key; 435 436 key = key_string_lookup_string(value); 437 if (key == KEYC_UNKNOWN) { 438 cmdq_error(item, "bad key: %s", value); 439 return (NULL); 440 } 441 442 return (options_set_number(oo, oe->name, key)); 443 } 444 445 /* Set a colour option. */ 446 static struct options_entry * 447 cmd_set_option_colour(__unused struct cmd *self, struct cmdq_item *item, 448 const struct options_table_entry *oe, struct options *oo, 449 const char *value) 450 { 451 int colour; 452 453 if ((colour = colour_fromstring(value)) == -1) { 454 cmdq_error(item, "bad colour: %s", value); 455 return (NULL); 456 } 457 458 return (options_set_number(oo, oe->name, colour)); 459 } 460 461 /* Set an attributes option. */ 462 static struct options_entry * 463 cmd_set_option_attributes(__unused struct cmd *self, struct cmdq_item *item, 464 const struct options_table_entry *oe, struct options *oo, 465 const char *value) 466 { 467 int attr; 468 469 if ((attr = attributes_fromstring(value)) == -1) { 470 cmdq_error(item, "bad attributes: %s", value); 471 return (NULL); 472 } 473 474 return (options_set_number(oo, oe->name, attr)); 475 } 476 477 /* Set a flag option. */ 478 static struct options_entry * 479 cmd_set_option_flag(__unused struct cmd *self, struct cmdq_item *item, 480 const struct options_table_entry *oe, struct options *oo, 481 const char *value) 482 { 483 int flag; 484 485 if (value == NULL || *value == '\0') 486 flag = !options_get_number(oo, oe->name); 487 else { 488 if ((value[0] == '1' && value[1] == '\0') || 489 strcasecmp(value, "on") == 0 || 490 strcasecmp(value, "yes") == 0) 491 flag = 1; 492 else if ((value[0] == '0' && value[1] == '\0') || 493 strcasecmp(value, "off") == 0 || 494 strcasecmp(value, "no") == 0) 495 flag = 0; 496 else { 497 cmdq_error(item, "bad value: %s", value); 498 return (NULL); 499 } 500 } 501 502 return (options_set_number(oo, oe->name, flag)); 503 } 504 505 /* Set a choice option. */ 506 static struct options_entry * 507 cmd_set_option_choice(__unused struct cmd *self, struct cmdq_item *item, 508 const struct options_table_entry *oe, struct options *oo, 509 const char *value) 510 { 511 const char **choicep; 512 int n, choice = -1; 513 514 if (value == NULL) { 515 choice = options_get_number(oo, oe->name); 516 if (choice < 2) 517 choice = !choice; 518 } else { 519 n = 0; 520 for (choicep = oe->choices; *choicep != NULL; choicep++) { 521 n++; 522 if (strncmp(*choicep, value, strlen(value)) != 0) 523 continue; 524 525 if (choice != -1) { 526 cmdq_error(item, "ambiguous value: %s", value); 527 return (NULL); 528 } 529 choice = n - 1; 530 } 531 if (choice == -1) { 532 cmdq_error(item, "unknown value: %s", value); 533 return (NULL); 534 } 535 } 536 537 return (options_set_number(oo, oe->name, choice)); 538 } 539 540 /* Set a style option. */ 541 static struct options_entry * 542 cmd_set_option_style(struct cmd *self, struct cmdq_item *item, 543 const struct options_table_entry *oe, struct options *oo, 544 const char *value) 545 { 546 struct args *args = self->args; 547 struct options_entry *o; 548 int append; 549 550 append = args_has(args, 'a'); 551 if ((o = options_set_style(oo, oe->name, value, append)) == NULL) { 552 cmdq_error(item, "bad style: %s", value); 553 return (NULL); 554 } 555 556 style_update_old(oo, oe->name, &o->style); 557 return (o); 558 } 559