1 /* $OpenBSD: cmd-set-option.c,v 1.59 2013/03/21 16:17:01 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> 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_ctx *); 31 32 enum cmd_retval cmd_set_option_user(struct cmd *, struct cmd_ctx *, 33 const char *, const char *); 34 35 int cmd_set_option_unset(struct cmd *, struct cmd_ctx *, 36 const struct options_table_entry *, struct options *, 37 const char *); 38 int cmd_set_option_set(struct cmd *, struct cmd_ctx *, 39 const struct options_table_entry *, struct options *, 40 const char *); 41 42 struct options_entry *cmd_set_option_string(struct cmd *, struct cmd_ctx *, 43 const struct options_table_entry *, struct options *, 44 const char *); 45 struct options_entry *cmd_set_option_number(struct cmd *, struct cmd_ctx *, 46 const struct options_table_entry *, struct options *, 47 const char *); 48 struct options_entry *cmd_set_option_key(struct cmd *, struct cmd_ctx *, 49 const struct options_table_entry *, struct options *, 50 const char *); 51 struct options_entry *cmd_set_option_colour(struct cmd *, struct cmd_ctx *, 52 const struct options_table_entry *, struct options *, 53 const char *); 54 struct options_entry *cmd_set_option_attributes(struct cmd *, struct cmd_ctx *, 55 const struct options_table_entry *, struct options *, 56 const char *); 57 struct options_entry *cmd_set_option_flag(struct cmd *, struct cmd_ctx *, 58 const struct options_table_entry *, struct options *, 59 const char *); 60 struct options_entry *cmd_set_option_choice(struct cmd *, struct cmd_ctx *, 61 const struct options_table_entry *, struct options *, 62 const char *); 63 64 const struct cmd_entry cmd_set_option_entry = { 65 "set-option", "set", 66 "agqst:uw", 1, 2, 67 "[-agsquw] [-t target-session|target-window] option [value]", 68 0, 69 NULL, 70 NULL, 71 cmd_set_option_exec 72 }; 73 74 const struct cmd_entry cmd_set_window_option_entry = { 75 "set-window-option", "setw", 76 "agqt:u", 1, 2, 77 "[-agqu] " CMD_TARGET_WINDOW_USAGE " option [value]", 78 0, 79 NULL, 80 NULL, 81 cmd_set_option_exec 82 }; 83 84 enum cmd_retval 85 cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx) 86 { 87 struct args *args = self->args; 88 const struct options_table_entry *table, *oe; 89 struct session *s; 90 struct winlink *wl; 91 struct client *c; 92 struct options *oo; 93 struct window *w; 94 const char *optstr, *valstr; 95 u_int i; 96 97 /* Get the option name and value. */ 98 optstr = args->argv[0]; 99 if (*optstr == '\0') { 100 ctx->error(ctx, "invalid option"); 101 return (CMD_RETURN_ERROR); 102 } 103 if (args->argc < 2) 104 valstr = NULL; 105 else 106 valstr = args->argv[1]; 107 108 /* Is this a user option? */ 109 if (*optstr == '@') 110 return (cmd_set_option_user(self, ctx, optstr, valstr)); 111 112 /* Find the option entry, try each table. */ 113 table = oe = NULL; 114 if (options_table_find(optstr, &table, &oe) != 0) { 115 ctx->error(ctx, "ambiguous option: %s", optstr); 116 return (CMD_RETURN_ERROR); 117 } 118 if (oe == NULL) { 119 ctx->error(ctx, "unknown option: %s", optstr); 120 return (CMD_RETURN_ERROR); 121 } 122 123 /* Work out the tree from the table. */ 124 if (table == server_options_table) 125 oo = &global_options; 126 else if (table == window_options_table) { 127 if (args_has(self->args, 'g')) 128 oo = &global_w_options; 129 else { 130 wl = cmd_find_window(ctx, args_get(args, 't'), NULL); 131 if (wl == NULL) 132 return (CMD_RETURN_ERROR); 133 oo = &wl->window->options; 134 } 135 } else if (table == session_options_table) { 136 if (args_has(self->args, 'g')) 137 oo = &global_s_options; 138 else { 139 s = cmd_find_session(ctx, args_get(args, 't'), 0); 140 if (s == NULL) 141 return (CMD_RETURN_ERROR); 142 oo = &s->options; 143 } 144 } else { 145 ctx->error(ctx, "unknown table"); 146 return (CMD_RETURN_ERROR); 147 } 148 149 /* Unset or set the option. */ 150 if (args_has(args, 'u')) { 151 if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0) 152 return (CMD_RETURN_ERROR); 153 } else { 154 if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0) 155 return (CMD_RETURN_ERROR); 156 } 157 158 /* Start or stop timers when automatic-rename changed. */ 159 if (strcmp (oe->name, "automatic-rename") == 0) { 160 for (i = 0; i < ARRAY_LENGTH(&windows); i++) { 161 if ((w = ARRAY_ITEM(&windows, i)) == NULL) 162 continue; 163 if (options_get_number(&w->options, "automatic-rename")) 164 queue_window_name(w); 165 else if (event_initialized(&w->name_timer)) 166 evtimer_del(&w->name_timer); 167 } 168 } 169 170 /* Update sizes and redraw. May not need it but meh. */ 171 recalculate_sizes(); 172 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 173 c = ARRAY_ITEM(&clients, i); 174 if (c != NULL && c->session != NULL) 175 server_redraw_client(c); 176 } 177 178 return (CMD_RETURN_NORMAL); 179 } 180 181 /* Set user option. */ 182 enum cmd_retval 183 cmd_set_option_user(struct cmd *self, struct cmd_ctx *ctx, const char* optstr, 184 const char *valstr) 185 { 186 struct args *args = self->args; 187 struct session *s; 188 struct winlink *wl; 189 struct options *oo; 190 191 if (args_has(args, 's')) 192 oo = &global_options; 193 else if (args_has(self->args, 'w') || 194 self->entry == &cmd_set_window_option_entry) { 195 if (args_has(self->args, 'g')) 196 oo = &global_w_options; 197 else { 198 wl = cmd_find_window(ctx, args_get(args, 't'), NULL); 199 if (wl == NULL) 200 return (CMD_RETURN_ERROR); 201 oo = &wl->window->options; 202 } 203 } else { 204 if (args_has(self->args, 'g')) 205 oo = &global_s_options; 206 else { 207 s = cmd_find_session(ctx, args_get(args, 't'), 0); 208 if (s == NULL) 209 return (CMD_RETURN_ERROR); 210 oo = &s->options; 211 } 212 } 213 214 if (args_has(args, 'u')) { 215 if (options_find1(oo, optstr) == NULL) { 216 ctx->error(ctx, "unknown option: %s", optstr); 217 return (CMD_RETURN_ERROR); 218 } 219 if (valstr != NULL) { 220 ctx->error(ctx, "value passed to unset option: %s", 221 optstr); 222 return (CMD_RETURN_ERROR); 223 } 224 options_remove(oo, optstr); 225 } else { 226 if (valstr == NULL) { 227 ctx->error(ctx, "empty value"); 228 return (CMD_RETURN_ERROR); 229 } 230 options_set_string(oo, optstr, "%s", valstr); 231 if (!args_has(args, 'q')) 232 ctx->info(ctx, "set option: %s -> %s", optstr, valstr); 233 } 234 return (CMD_RETURN_NORMAL); 235 } 236 237 238 /* Unset an option. */ 239 int 240 cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx, 241 const struct options_table_entry *oe, struct options *oo, const char *value) 242 { 243 struct args *args = self->args; 244 245 if (args_has(args, 'g')) { 246 ctx->error(ctx, "can't unset global option: %s", oe->name); 247 return (-1); 248 } 249 if (value != NULL) { 250 ctx->error(ctx, "value passed to unset option: %s", oe->name); 251 return (-1); 252 } 253 254 options_remove(oo, oe->name); 255 if (!args_has(args, 'q')) 256 ctx->info(ctx, "unset option: %s", oe->name); 257 return (0); 258 } 259 260 /* Set an option. */ 261 int 262 cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx, 263 const struct options_table_entry *oe, struct options *oo, const char *value) 264 { 265 struct args *args = self->args; 266 struct options_entry *o; 267 const char *s; 268 269 if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) { 270 ctx->error(ctx, "empty value"); 271 return (-1); 272 } 273 274 o = NULL; 275 switch (oe->type) { 276 case OPTIONS_TABLE_STRING: 277 o = cmd_set_option_string(self, ctx, oe, oo, value); 278 break; 279 case OPTIONS_TABLE_NUMBER: 280 o = cmd_set_option_number(self, ctx, oe, oo, value); 281 break; 282 case OPTIONS_TABLE_KEY: 283 o = cmd_set_option_key(self, ctx, oe, oo, value); 284 break; 285 case OPTIONS_TABLE_COLOUR: 286 o = cmd_set_option_colour(self, ctx, oe, oo, value); 287 break; 288 case OPTIONS_TABLE_ATTRIBUTES: 289 o = cmd_set_option_attributes(self, ctx, oe, oo, value); 290 break; 291 case OPTIONS_TABLE_FLAG: 292 o = cmd_set_option_flag(self, ctx, oe, oo, value); 293 break; 294 case OPTIONS_TABLE_CHOICE: 295 o = cmd_set_option_choice(self, ctx, oe, oo, value); 296 break; 297 } 298 if (o == NULL) 299 return (-1); 300 301 s = options_table_print_entry(oe, o, 0); 302 if (!args_has(args, 'q')) 303 ctx->info(ctx, "set option: %s -> %s", oe->name, s); 304 return (0); 305 } 306 307 /* Set a string option. */ 308 struct options_entry * 309 cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx, 310 const struct options_table_entry *oe, struct options *oo, const char *value) 311 { 312 struct args *args = self->args; 313 struct options_entry *o; 314 char *oldval, *newval; 315 316 if (args_has(args, 'a')) { 317 oldval = options_get_string(oo, oe->name); 318 xasprintf(&newval, "%s%s", oldval, value); 319 } else 320 newval = xstrdup(value); 321 322 o = options_set_string(oo, oe->name, "%s", newval); 323 324 free(newval); 325 return (o); 326 } 327 328 /* Set a number option. */ 329 struct options_entry * 330 cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx, 331 const struct options_table_entry *oe, struct options *oo, const char *value) 332 { 333 long long ll; 334 const char *errstr; 335 336 ll = strtonum(value, oe->minimum, oe->maximum, &errstr); 337 if (errstr != NULL) { 338 ctx->error(ctx, "value is %s: %s", errstr, value); 339 return (NULL); 340 } 341 342 return (options_set_number(oo, oe->name, ll)); 343 } 344 345 /* Set a key option. */ 346 struct options_entry * 347 cmd_set_option_key(unused struct cmd *self, struct cmd_ctx *ctx, 348 const struct options_table_entry *oe, struct options *oo, const char *value) 349 { 350 int key; 351 352 if ((key = key_string_lookup_string(value)) == KEYC_NONE) { 353 ctx->error(ctx, "bad key: %s", value); 354 return (NULL); 355 } 356 357 return (options_set_number(oo, oe->name, key)); 358 } 359 360 /* Set a colour option. */ 361 struct options_entry * 362 cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx, 363 const struct options_table_entry *oe, struct options *oo, const char *value) 364 { 365 int colour; 366 367 if ((colour = colour_fromstring(value)) == -1) { 368 ctx->error(ctx, "bad colour: %s", value); 369 return (NULL); 370 } 371 372 return (options_set_number(oo, oe->name, colour)); 373 } 374 375 /* Set an attributes option. */ 376 struct options_entry * 377 cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx, 378 const struct options_table_entry *oe, struct options *oo, const char *value) 379 { 380 int attr; 381 382 if ((attr = attributes_fromstring(value)) == -1) { 383 ctx->error(ctx, "bad attributes: %s", value); 384 return (NULL); 385 } 386 387 return (options_set_number(oo, oe->name, attr)); 388 } 389 390 /* Set a flag option. */ 391 struct options_entry * 392 cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx, 393 const struct options_table_entry *oe, struct options *oo, const char *value) 394 { 395 int flag; 396 397 if (value == NULL || *value == '\0') 398 flag = !options_get_number(oo, oe->name); 399 else { 400 if ((value[0] == '1' && value[1] == '\0') || 401 strcasecmp(value, "on") == 0 || 402 strcasecmp(value, "yes") == 0) 403 flag = 1; 404 else if ((value[0] == '0' && value[1] == '\0') || 405 strcasecmp(value, "off") == 0 || 406 strcasecmp(value, "no") == 0) 407 flag = 0; 408 else { 409 ctx->error(ctx, "bad value: %s", value); 410 return (NULL); 411 } 412 } 413 414 return (options_set_number(oo, oe->name, flag)); 415 } 416 417 /* Set a choice option. */ 418 struct options_entry * 419 cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx, 420 const struct options_table_entry *oe, struct options *oo, const char *value) 421 { 422 const char **choicep; 423 int n, choice = -1; 424 425 n = 0; 426 for (choicep = oe->choices; *choicep != NULL; choicep++) { 427 n++; 428 if (strncmp(*choicep, value, strlen(value)) != 0) 429 continue; 430 431 if (choice != -1) { 432 ctx->error(ctx, "ambiguous value: %s", value); 433 return (NULL); 434 } 435 choice = n - 1; 436 } 437 if (choice == -1) { 438 ctx->error(ctx, "unknown value: %s", value); 439 return (NULL); 440 } 441 442 return (options_set_number(oo, oe->name, choice)); 443 } 444