1 /* $OpenBSD: cmd-set-option.c,v 1.57 2012/07/11 07:10:15 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 int cmd_set_option_unset(struct cmd *, struct cmd_ctx *, 33 const struct options_table_entry *, struct options *, 34 const char *); 35 int cmd_set_option_set(struct cmd *, struct cmd_ctx *, 36 const struct options_table_entry *, struct options *, 37 const char *); 38 39 struct options_entry *cmd_set_option_string(struct cmd *, struct cmd_ctx *, 40 const struct options_table_entry *, struct options *, 41 const char *); 42 struct options_entry *cmd_set_option_number(struct cmd *, struct cmd_ctx *, 43 const struct options_table_entry *, struct options *, 44 const char *); 45 struct options_entry *cmd_set_option_key(struct cmd *, struct cmd_ctx *, 46 const struct options_table_entry *, struct options *, 47 const char *); 48 struct options_entry *cmd_set_option_colour(struct cmd *, struct cmd_ctx *, 49 const struct options_table_entry *, struct options *, 50 const char *); 51 struct options_entry *cmd_set_option_attributes(struct cmd *, struct cmd_ctx *, 52 const struct options_table_entry *, struct options *, 53 const char *); 54 struct options_entry *cmd_set_option_flag(struct cmd *, struct cmd_ctx *, 55 const struct options_table_entry *, struct options *, 56 const char *); 57 struct options_entry *cmd_set_option_choice(struct cmd *, struct cmd_ctx *, 58 const struct options_table_entry *, struct options *, 59 const char *); 60 61 const struct cmd_entry cmd_set_option_entry = { 62 "set-option", "set", 63 "agqst:uw", 1, 2, 64 "[-agsquw] [-t target-session|target-window] option [value]", 65 0, 66 NULL, 67 NULL, 68 cmd_set_option_exec 69 }; 70 71 const struct cmd_entry cmd_set_window_option_entry = { 72 "set-window-option", "setw", 73 "agqt:u", 1, 2, 74 "[-agqu] " CMD_TARGET_WINDOW_USAGE " option [value]", 75 0, 76 NULL, 77 NULL, 78 cmd_set_option_exec 79 }; 80 81 enum cmd_retval 82 cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx) 83 { 84 struct args *args = self->args; 85 const struct options_table_entry *table, *oe; 86 struct session *s; 87 struct winlink *wl; 88 struct client *c; 89 struct options *oo; 90 struct window *w; 91 const char *optstr, *valstr; 92 u_int i; 93 94 /* Get the option name and value. */ 95 optstr = args->argv[0]; 96 if (*optstr == '\0') { 97 ctx->error(ctx, "invalid option"); 98 return (CMD_RETURN_ERROR); 99 } 100 if (args->argc < 2) 101 valstr = NULL; 102 else 103 valstr = args->argv[1]; 104 105 /* Find the option entry, try each table. */ 106 table = oe = NULL; 107 if (options_table_find(optstr, &table, &oe) != 0) { 108 ctx->error(ctx, "ambiguous option: %s", optstr); 109 return (CMD_RETURN_ERROR); 110 } 111 if (oe == NULL) { 112 ctx->error(ctx, "unknown option: %s", optstr); 113 return (CMD_RETURN_ERROR); 114 } 115 116 /* Work out the tree from the table. */ 117 if (table == server_options_table) 118 oo = &global_options; 119 else if (table == window_options_table) { 120 if (args_has(self->args, 'g')) 121 oo = &global_w_options; 122 else { 123 wl = cmd_find_window(ctx, args_get(args, 't'), NULL); 124 if (wl == NULL) 125 return (CMD_RETURN_ERROR); 126 oo = &wl->window->options; 127 } 128 } else if (table == session_options_table) { 129 if (args_has(self->args, 'g')) 130 oo = &global_s_options; 131 else { 132 s = cmd_find_session(ctx, args_get(args, 't'), 0); 133 if (s == NULL) 134 return (CMD_RETURN_ERROR); 135 oo = &s->options; 136 } 137 } else { 138 ctx->error(ctx, "unknown table"); 139 return (CMD_RETURN_ERROR); 140 } 141 142 /* Unset or set the option. */ 143 if (args_has(args, 'u')) { 144 if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0) 145 return (CMD_RETURN_ERROR); 146 } else { 147 if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0) 148 return (CMD_RETURN_ERROR); 149 } 150 151 /* Start or stop timers when automatic-rename changed. */ 152 if (strcmp (oe->name, "automatic-rename") == 0) { 153 for (i = 0; i < ARRAY_LENGTH(&windows); i++) { 154 if ((w = ARRAY_ITEM(&windows, i)) == NULL) 155 continue; 156 if (options_get_number(&w->options, "automatic-rename")) 157 queue_window_name(w); 158 else if (event_initialized(&w->name_timer)) 159 evtimer_del(&w->name_timer); 160 } 161 } 162 163 /* Update sizes and redraw. May not need it but meh. */ 164 recalculate_sizes(); 165 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 166 c = ARRAY_ITEM(&clients, i); 167 if (c != NULL && c->session != NULL) 168 server_redraw_client(c); 169 } 170 171 return (CMD_RETURN_NORMAL); 172 } 173 174 /* Unset an option. */ 175 int 176 cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx, 177 const struct options_table_entry *oe, struct options *oo, const char *value) 178 { 179 struct args *args = self->args; 180 181 if (args_has(args, 'g')) { 182 ctx->error(ctx, "can't unset global option: %s", oe->name); 183 return (-1); 184 } 185 if (value != NULL) { 186 ctx->error(ctx, "value passed to unset option: %s", oe->name); 187 return (-1); 188 } 189 190 options_remove(oo, oe->name); 191 if (!args_has(args, 'q')) 192 ctx->info(ctx, "unset option: %s", oe->name); 193 return (0); 194 } 195 196 /* Set an option. */ 197 int 198 cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx, 199 const struct options_table_entry *oe, struct options *oo, const char *value) 200 { 201 struct args *args = self->args; 202 struct options_entry *o; 203 const char *s; 204 205 if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) { 206 ctx->error(ctx, "empty value"); 207 return (-1); 208 } 209 210 o = NULL; 211 switch (oe->type) { 212 case OPTIONS_TABLE_STRING: 213 o = cmd_set_option_string(self, ctx, oe, oo, value); 214 break; 215 case OPTIONS_TABLE_NUMBER: 216 o = cmd_set_option_number(self, ctx, oe, oo, value); 217 break; 218 case OPTIONS_TABLE_KEY: 219 o = cmd_set_option_key(self, ctx, oe, oo, value); 220 break; 221 case OPTIONS_TABLE_COLOUR: 222 o = cmd_set_option_colour(self, ctx, oe, oo, value); 223 break; 224 case OPTIONS_TABLE_ATTRIBUTES: 225 o = cmd_set_option_attributes(self, ctx, oe, oo, value); 226 break; 227 case OPTIONS_TABLE_FLAG: 228 o = cmd_set_option_flag(self, ctx, oe, oo, value); 229 break; 230 case OPTIONS_TABLE_CHOICE: 231 o = cmd_set_option_choice(self, ctx, oe, oo, value); 232 break; 233 } 234 if (o == NULL) 235 return (-1); 236 237 s = options_table_print_entry(oe, o); 238 if (!args_has(args, 'q')) 239 ctx->info(ctx, "set option: %s -> %s", oe->name, s); 240 return (0); 241 } 242 243 /* Set a string option. */ 244 struct options_entry * 245 cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx, 246 const struct options_table_entry *oe, struct options *oo, const char *value) 247 { 248 struct args *args = self->args; 249 struct options_entry *o; 250 char *oldval, *newval; 251 252 if (args_has(args, 'a')) { 253 oldval = options_get_string(oo, oe->name); 254 xasprintf(&newval, "%s%s", oldval, value); 255 } else 256 newval = xstrdup(value); 257 258 o = options_set_string(oo, oe->name, "%s", newval); 259 260 free(newval); 261 return (o); 262 } 263 264 /* Set a number option. */ 265 struct options_entry * 266 cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx, 267 const struct options_table_entry *oe, struct options *oo, const char *value) 268 { 269 long long ll; 270 const char *errstr; 271 272 ll = strtonum(value, oe->minimum, oe->maximum, &errstr); 273 if (errstr != NULL) { 274 ctx->error(ctx, "value is %s: %s", errstr, value); 275 return (NULL); 276 } 277 278 return (options_set_number(oo, oe->name, ll)); 279 } 280 281 /* Set a key option. */ 282 struct options_entry * 283 cmd_set_option_key(unused struct cmd *self, struct cmd_ctx *ctx, 284 const struct options_table_entry *oe, struct options *oo, const char *value) 285 { 286 int key; 287 288 if ((key = key_string_lookup_string(value)) == KEYC_NONE) { 289 ctx->error(ctx, "bad key: %s", value); 290 return (NULL); 291 } 292 293 return (options_set_number(oo, oe->name, key)); 294 } 295 296 /* Set a colour option. */ 297 struct options_entry * 298 cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx, 299 const struct options_table_entry *oe, struct options *oo, const char *value) 300 { 301 int colour; 302 303 if ((colour = colour_fromstring(value)) == -1) { 304 ctx->error(ctx, "bad colour: %s", value); 305 return (NULL); 306 } 307 308 return (options_set_number(oo, oe->name, colour)); 309 } 310 311 /* Set an attributes option. */ 312 struct options_entry * 313 cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx, 314 const struct options_table_entry *oe, struct options *oo, const char *value) 315 { 316 int attr; 317 318 if ((attr = attributes_fromstring(value)) == -1) { 319 ctx->error(ctx, "bad attributes: %s", value); 320 return (NULL); 321 } 322 323 return (options_set_number(oo, oe->name, attr)); 324 } 325 326 /* Set a flag option. */ 327 struct options_entry * 328 cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx, 329 const struct options_table_entry *oe, struct options *oo, const char *value) 330 { 331 int flag; 332 333 if (value == NULL || *value == '\0') 334 flag = !options_get_number(oo, oe->name); 335 else { 336 if ((value[0] == '1' && value[1] == '\0') || 337 strcasecmp(value, "on") == 0 || 338 strcasecmp(value, "yes") == 0) 339 flag = 1; 340 else if ((value[0] == '0' && value[1] == '\0') || 341 strcasecmp(value, "off") == 0 || 342 strcasecmp(value, "no") == 0) 343 flag = 0; 344 else { 345 ctx->error(ctx, "bad value: %s", value); 346 return (NULL); 347 } 348 } 349 350 return (options_set_number(oo, oe->name, flag)); 351 } 352 353 /* Set a choice option. */ 354 struct options_entry * 355 cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx, 356 const struct options_table_entry *oe, struct options *oo, const char *value) 357 { 358 const char **choicep; 359 int n, choice = -1; 360 361 n = 0; 362 for (choicep = oe->choices; *choicep != NULL; choicep++) { 363 n++; 364 if (strncmp(*choicep, value, strlen(value)) != 0) 365 continue; 366 367 if (choice != -1) { 368 ctx->error(ctx, "ambiguous value: %s", value); 369 return (NULL); 370 } 371 choice = n - 1; 372 } 373 if (choice == -1) { 374 ctx->error(ctx, "unknown value: %s", value); 375 return (NULL); 376 } 377 378 return (options_set_number(oo, oe->name, choice)); 379 } 380