1 /* $OpenBSD: cmd-set-option.c,v 1.96 2016/05/30 09:50:20 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; 234 235 if (args_has(args, 's')) 236 oo = global_options; 237 else if (args_has(self->args, 'w') || 238 self->entry == &cmd_set_window_option_entry) { 239 if (args_has(self->args, 'g')) 240 oo = global_w_options; 241 else 242 oo = wl->window->options; 243 } else { 244 if (args_has(self->args, 'g')) 245 oo = global_s_options; 246 else 247 oo = s->options; 248 } 249 250 if (args_has(args, 'u')) { 251 if (options_find1(oo, optstr) == NULL) { 252 if (!args_has(args, 'q')) { 253 cmdq_error(cmdq, "unknown option: %s", optstr); 254 return (CMD_RETURN_ERROR); 255 } 256 return (CMD_RETURN_NORMAL); 257 } 258 if (valstr != NULL) { 259 cmdq_error(cmdq, "value passed to unset option: %s", 260 optstr); 261 return (CMD_RETURN_ERROR); 262 } 263 options_remove(oo, optstr); 264 } else { 265 if (valstr == NULL) { 266 cmdq_error(cmdq, "empty value"); 267 return (CMD_RETURN_ERROR); 268 } 269 if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) { 270 if (!args_has(args, 'q')) { 271 cmdq_error(cmdq, "already set: %s", optstr); 272 return (CMD_RETURN_ERROR); 273 } 274 return (CMD_RETURN_NORMAL); 275 } 276 options_set_string(oo, optstr, "%s", valstr); 277 } 278 return (CMD_RETURN_NORMAL); 279 } 280 281 /* Unset an option. */ 282 int 283 cmd_set_option_unset(struct cmd *self, struct cmd_q *cmdq, 284 const struct options_table_entry *oe, struct options *oo, 285 const char *value) 286 { 287 struct args *args = self->args; 288 289 if (value != NULL) { 290 cmdq_error(cmdq, "value passed to unset option: %s", oe->name); 291 return (-1); 292 } 293 294 if (args_has(args, 'g') || oo == global_options) { 295 switch (oe->type) { 296 case OPTIONS_TABLE_STRING: 297 options_set_string(oo, oe->name, "%s", oe->default_str); 298 break; 299 case OPTIONS_TABLE_STYLE: 300 options_set_style(oo, oe->name, oe->default_str, 0); 301 break; 302 default: 303 options_set_number(oo, oe->name, oe->default_num); 304 break; 305 } 306 } else 307 options_remove(oo, oe->name); 308 return (0); 309 } 310 311 /* Set an option. */ 312 int 313 cmd_set_option_set(struct cmd *self, struct cmd_q *cmdq, 314 const struct options_table_entry *oe, struct options *oo, 315 const char *value) 316 { 317 struct options_entry *o; 318 319 switch (oe->type) { 320 case OPTIONS_TABLE_FLAG: 321 case OPTIONS_TABLE_CHOICE: 322 break; 323 default: 324 if (value == NULL) { 325 cmdq_error(cmdq, "empty value"); 326 return (-1); 327 } 328 } 329 330 o = NULL; 331 switch (oe->type) { 332 case OPTIONS_TABLE_STRING: 333 o = cmd_set_option_string(self, cmdq, oe, oo, value); 334 break; 335 case OPTIONS_TABLE_NUMBER: 336 o = cmd_set_option_number(self, cmdq, oe, oo, value); 337 break; 338 case OPTIONS_TABLE_KEY: 339 o = cmd_set_option_key(self, cmdq, oe, oo, value); 340 break; 341 case OPTIONS_TABLE_COLOUR: 342 o = cmd_set_option_colour(self, cmdq, oe, oo, value); 343 if (o != NULL) 344 style_update_new(oo, o->name, oe->style); 345 break; 346 case OPTIONS_TABLE_ATTRIBUTES: 347 o = cmd_set_option_attributes(self, cmdq, oe, oo, value); 348 if (o != NULL) 349 style_update_new(oo, o->name, oe->style); 350 break; 351 case OPTIONS_TABLE_FLAG: 352 o = cmd_set_option_flag(self, cmdq, oe, oo, value); 353 break; 354 case OPTIONS_TABLE_CHOICE: 355 o = cmd_set_option_choice(self, cmdq, oe, oo, value); 356 break; 357 case OPTIONS_TABLE_STYLE: 358 o = cmd_set_option_style(self, cmdq, oe, oo, value); 359 break; 360 } 361 if (o == NULL) 362 return (-1); 363 return (0); 364 } 365 366 /* Set a string option. */ 367 struct options_entry * 368 cmd_set_option_string(struct cmd *self, __unused struct cmd_q *cmdq, 369 const struct options_table_entry *oe, struct options *oo, 370 const char *value) 371 { 372 struct args *args = self->args; 373 struct options_entry *o; 374 char *oldval, *newval; 375 376 if (args_has(args, 'a')) { 377 oldval = options_get_string(oo, oe->name); 378 xasprintf(&newval, "%s%s", oldval, value); 379 } else 380 newval = xstrdup(value); 381 382 o = options_set_string(oo, oe->name, "%s", newval); 383 384 free(newval); 385 return (o); 386 } 387 388 /* Set a number option. */ 389 struct options_entry * 390 cmd_set_option_number(__unused struct cmd *self, struct cmd_q *cmdq, 391 const struct options_table_entry *oe, struct options *oo, 392 const char *value) 393 { 394 long long ll; 395 const char *errstr; 396 397 ll = strtonum(value, oe->minimum, oe->maximum, &errstr); 398 if (errstr != NULL) { 399 cmdq_error(cmdq, "value is %s: %s", errstr, value); 400 return (NULL); 401 } 402 403 return (options_set_number(oo, oe->name, ll)); 404 } 405 406 /* Set a key option. */ 407 struct options_entry * 408 cmd_set_option_key(__unused struct cmd *self, struct cmd_q *cmdq, 409 const struct options_table_entry *oe, struct options *oo, 410 const char *value) 411 { 412 key_code key; 413 414 key = key_string_lookup_string(value); 415 if (key == KEYC_UNKNOWN) { 416 cmdq_error(cmdq, "bad key: %s", value); 417 return (NULL); 418 } 419 420 return (options_set_number(oo, oe->name, key)); 421 } 422 423 /* Set a colour option. */ 424 struct options_entry * 425 cmd_set_option_colour(__unused struct cmd *self, struct cmd_q *cmdq, 426 const struct options_table_entry *oe, struct options *oo, 427 const char *value) 428 { 429 int colour; 430 431 if ((colour = colour_fromstring(value)) == -1) { 432 cmdq_error(cmdq, "bad colour: %s", value); 433 return (NULL); 434 } 435 436 return (options_set_number(oo, oe->name, colour)); 437 } 438 439 /* Set an attributes option. */ 440 struct options_entry * 441 cmd_set_option_attributes(__unused struct cmd *self, struct cmd_q *cmdq, 442 const struct options_table_entry *oe, struct options *oo, 443 const char *value) 444 { 445 int attr; 446 447 if ((attr = attributes_fromstring(value)) == -1) { 448 cmdq_error(cmdq, "bad attributes: %s", value); 449 return (NULL); 450 } 451 452 return (options_set_number(oo, oe->name, attr)); 453 } 454 455 /* Set a flag option. */ 456 struct options_entry * 457 cmd_set_option_flag(__unused struct cmd *self, struct cmd_q *cmdq, 458 const struct options_table_entry *oe, struct options *oo, 459 const char *value) 460 { 461 int flag; 462 463 if (value == NULL || *value == '\0') 464 flag = !options_get_number(oo, oe->name); 465 else { 466 if ((value[0] == '1' && value[1] == '\0') || 467 strcasecmp(value, "on") == 0 || 468 strcasecmp(value, "yes") == 0) 469 flag = 1; 470 else if ((value[0] == '0' && value[1] == '\0') || 471 strcasecmp(value, "off") == 0 || 472 strcasecmp(value, "no") == 0) 473 flag = 0; 474 else { 475 cmdq_error(cmdq, "bad value: %s", value); 476 return (NULL); 477 } 478 } 479 480 return (options_set_number(oo, oe->name, flag)); 481 } 482 483 /* Set a choice option. */ 484 struct options_entry * 485 cmd_set_option_choice(__unused struct cmd *self, struct cmd_q *cmdq, 486 const struct options_table_entry *oe, struct options *oo, 487 const char *value) 488 { 489 const char **choicep; 490 int n, choice = -1; 491 492 if (value == NULL) { 493 choice = options_get_number(oo, oe->name); 494 if (choice < 2) 495 choice = !choice; 496 } else { 497 n = 0; 498 for (choicep = oe->choices; *choicep != NULL; choicep++) { 499 n++; 500 if (strncmp(*choicep, value, strlen(value)) != 0) 501 continue; 502 503 if (choice != -1) { 504 cmdq_error(cmdq, "ambiguous value: %s", value); 505 return (NULL); 506 } 507 choice = n - 1; 508 } 509 if (choice == -1) { 510 cmdq_error(cmdq, "unknown value: %s", value); 511 return (NULL); 512 } 513 } 514 515 return (options_set_number(oo, oe->name, choice)); 516 } 517 518 /* Set a style option. */ 519 struct options_entry * 520 cmd_set_option_style(struct cmd *self, struct cmd_q *cmdq, 521 const struct options_table_entry *oe, struct options *oo, 522 const char *value) 523 { 524 struct args *args = self->args; 525 struct options_entry *o; 526 int append; 527 528 append = args_has(args, 'a'); 529 if ((o = options_set_style(oo, oe->name, value, append)) == NULL) { 530 cmdq_error(cmdq, "bad style: %s", value); 531 return (NULL); 532 } 533 534 style_update_old(oo, oe->name, &o->style); 535 return (o); 536 } 537