Annotation of src/usr.bin/tmux/cmd-set-option.c, Revision 1.47
1.47 ! nicm 1: /* $OpenBSD: cmd-set-option.c,v 1.46 2011/01/04 02:03:41 nicm Exp $ */
1.1 nicm 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: int cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
31:
1.43 nicm 32: int cmd_set_option_unset(struct cmd *, struct cmd_ctx *,
1.44 nicm 33: const struct options_table_entry *, struct options *,
34: const char *);
1.43 nicm 35: int cmd_set_option_set(struct cmd *, struct cmd_ctx *,
1.44 nicm 36: const struct options_table_entry *, struct options *,
37: const char *);
1.43 nicm 38:
39: struct options_entry *cmd_set_option_string(struct cmd *, struct cmd_ctx *,
1.44 nicm 40: const struct options_table_entry *, struct options *,
41: const char *);
1.43 nicm 42: struct options_entry *cmd_set_option_number(struct cmd *, struct cmd_ctx *,
1.44 nicm 43: const struct options_table_entry *, struct options *,
44: const char *);
1.43 nicm 45: struct options_entry *cmd_set_option_keys(struct cmd *, struct cmd_ctx *,
1.44 nicm 46: const struct options_table_entry *, struct options *,
47: const char *);
1.43 nicm 48: struct options_entry *cmd_set_option_colour(struct cmd *, struct cmd_ctx *,
1.44 nicm 49: const struct options_table_entry *, struct options *,
50: const char *);
1.43 nicm 51: struct options_entry *cmd_set_option_attributes(struct cmd *, struct cmd_ctx *,
1.44 nicm 52: const struct options_table_entry *, struct options *,
53: const char *);
1.43 nicm 54: struct options_entry *cmd_set_option_flag(struct cmd *, struct cmd_ctx *,
1.44 nicm 55: const struct options_table_entry *, struct options *,
56: const char *);
1.43 nicm 57: struct options_entry *cmd_set_option_choice(struct cmd *, struct cmd_ctx *,
1.44 nicm 58: const struct options_table_entry *, struct options *,
59: const char *);
1.27 nicm 60:
1.1 nicm 61: const struct cmd_entry cmd_set_option_entry = {
62: "set-option", "set",
1.44 nicm 63: "agst:uw", 1, 2,
1.29 nicm 64: "[-agsuw] [-t target-session|target-window] option [value]",
1.44 nicm 65: 0,
1.1 nicm 66: NULL,
1.44 nicm 67: NULL,
68: cmd_set_option_exec
1.1 nicm 69: };
70:
1.46 nicm 71: const struct cmd_entry cmd_set_window_option_entry = {
72: "set-window-option", "setw",
73: "agt:u", 1, 2,
74: "[-agu] " CMD_TARGET_WINDOW_USAGE " option [value]",
75: 0,
76: NULL,
77: NULL,
78: cmd_set_option_exec
79: };
80:
1.1 nicm 81: int
82: cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
83: {
1.44 nicm 84: struct args *args = self->args;
1.43 nicm 85: const struct options_table_entry *table, *oe, *oe_loop;
86: struct session *s;
87: struct winlink *wl;
88: struct client *c;
89: struct options *oo;
1.44 nicm 90: const char *optstr, *valstr;
1.43 nicm 91: u_int i;
1.1 nicm 92:
1.43 nicm 93: /* Work out the options tree and table to use. */
1.44 nicm 94: if (args_has(self->args, 's')) {
1.29 nicm 95: oo = &global_options;
1.43 nicm 96: table = server_options_table;
1.46 nicm 97: } else if (args_has(self->args, 'w') ||
98: self->entry == &cmd_set_window_option_entry) {
1.43 nicm 99: table = window_options_table;
1.44 nicm 100: if (args_has(self->args, 'g'))
1.27 nicm 101: oo = &global_w_options;
102: else {
1.44 nicm 103: wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
1.27 nicm 104: if (wl == NULL)
105: return (-1);
106: oo = &wl->window->options;
107: }
108: } else {
1.43 nicm 109: table = session_options_table;
1.44 nicm 110: if (args_has(self->args, 'g'))
1.27 nicm 111: oo = &global_s_options;
112: else {
1.44 nicm 113: s = cmd_find_session(ctx, args_get(args, 't'));
1.27 nicm 114: if (s == NULL)
115: return (-1);
116: oo = &s->options;
117: }
1.1 nicm 118: }
119:
1.44 nicm 120: /* Get the option name and value. */
121: optstr = args->argv[0];
122: if (*optstr == '\0') {
123: ctx->error(ctx, "invalid option");
124: return (-1);
125: }
1.45 nicm 126: if (args->argc < 2)
1.44 nicm 127: valstr = NULL;
128: else
129: valstr = args->argv[1];
130:
1.43 nicm 131: /* Find the option table entry. */
132: oe = NULL;
133: for (oe_loop = table; oe_loop->name != NULL; oe_loop++) {
1.44 nicm 134: if (strncmp(oe_loop->name, optstr, strlen(optstr)) != 0)
1.1 nicm 135: continue;
1.44 nicm 136:
1.43 nicm 137: if (oe != NULL) {
1.44 nicm 138: ctx->error(ctx, "ambiguous option: %s", optstr);
1.1 nicm 139: return (-1);
140: }
1.43 nicm 141: oe = oe_loop;
1.1 nicm 142:
143: /* Bail now if an exact match. */
1.44 nicm 144: if (strcmp(oe->name, optstr) == 0)
1.1 nicm 145: break;
146: }
1.43 nicm 147: if (oe == NULL) {
1.44 nicm 148: ctx->error(ctx, "unknown option: %s", optstr);
1.1 nicm 149: return (-1);
150: }
151:
1.43 nicm 152: /* Unset or set the option. */
1.44 nicm 153: if (args_has(args, 'u')) {
154: if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 155: return (-1);
1.43 nicm 156: } else {
1.44 nicm 157: if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 158: return (-1);
159: }
160:
1.43 nicm 161: /* Update sizes and redraw. May not need it but meh. */
1.1 nicm 162: recalculate_sizes();
1.27 nicm 163: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
164: c = ARRAY_ITEM(&clients, i);
165: if (c != NULL && c->session != NULL)
166: server_redraw_client(c);
167: }
1.24 nicm 168:
1.28 nicm 169: /*
1.24 nicm 170: * Special-case: kill all persistent jobs if status-left, status-right
171: * or set-titles-string have changed. Persistent jobs are only used by
172: * the status line at the moment so this works XXX.
173: */
1.43 nicm 174: if (strcmp(oe->name, "status-left") == 0 ||
175: strcmp(oe->name, "status-right") == 0 ||
176: strcmp(oe->name, "status") == 0 ||
177: strcmp(oe->name, "set-titles-string") == 0 ||
178: strcmp(oe->name, "window-status-format") == 0) {
1.24 nicm 179: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
180: c = ARRAY_ITEM(&clients, i);
1.47 ! nicm 181: if (c != NULL && c->session != NULL)
! 182: server_redraw_client(c);
1.23 nicm 183: }
1.1 nicm 184: }
185:
186: return (0);
1.27 nicm 187: }
188:
1.43 nicm 189: /* Unset an option. */
190: int
191: cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 192: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 193: {
1.44 nicm 194: struct args *args = self->args;
1.43 nicm 195:
1.44 nicm 196: if (args_has(args, 'g')) {
1.43 nicm 197: ctx->error(ctx, "can't unset global option: %s", oe->name);
198: return (-1);
199: }
1.44 nicm 200: if (value != NULL) {
1.43 nicm 201: ctx->error(ctx, "value passed to unset option: %s", oe->name);
202: return (-1);
1.27 nicm 203: }
1.43 nicm 204:
205: options_remove(oo, oe->name);
206: ctx->info(ctx, "unset option: %s", oe->name);
207: return (0);
1.27 nicm 208: }
209:
1.43 nicm 210: /* Set an option. */
211: int
212: cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 213: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 214: {
215: struct options_entry *o;
1.43 nicm 216: const char *s;
1.27 nicm 217:
1.44 nicm 218: if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) {
219: ctx->error(ctx, "empty value");
1.43 nicm 220: return (-1);
1.27 nicm 221: }
222:
1.43 nicm 223: o = NULL;
224: switch (oe->type) {
225: case OPTIONS_TABLE_STRING:
1.44 nicm 226: o = cmd_set_option_string(self, ctx, oe, oo, value);
1.43 nicm 227: break;
228: case OPTIONS_TABLE_NUMBER:
1.44 nicm 229: o = cmd_set_option_number(self, ctx, oe, oo, value);
1.43 nicm 230: break;
231: case OPTIONS_TABLE_KEYS:
1.44 nicm 232: o = cmd_set_option_keys(self, ctx, oe, oo, value);
1.43 nicm 233: break;
234: case OPTIONS_TABLE_COLOUR:
1.44 nicm 235: o = cmd_set_option_colour(self, ctx, oe, oo, value);
1.43 nicm 236: break;
237: case OPTIONS_TABLE_ATTRIBUTES:
1.44 nicm 238: o = cmd_set_option_attributes(self, ctx, oe, oo, value);
1.43 nicm 239: break;
240: case OPTIONS_TABLE_FLAG:
1.44 nicm 241: o = cmd_set_option_flag(self, ctx, oe, oo, value);
1.43 nicm 242: break;
243: case OPTIONS_TABLE_CHOICE:
1.44 nicm 244: o = cmd_set_option_choice(self, ctx, oe, oo, value);
1.43 nicm 245: break;
246: }
247: if (o == NULL)
248: return (-1);
249:
250: s = options_table_print_entry(oe, o);
251: ctx->info(ctx, "set option: %s -> %s", oe->name, s);
252: return (0);
253: }
254:
255: /* Set a string option. */
256: struct options_entry *
257: cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx,
1.44 nicm 258: const struct options_table_entry *oe, struct options *oo, const char *value)
1.43 nicm 259: {
1.44 nicm 260: struct args *args = self->args;
1.43 nicm 261: struct options_entry *o;
262: char *oldval, *newval;
263:
1.44 nicm 264: if (args_has(args, 'a')) {
1.43 nicm 265: oldval = options_get_string(oo, oe->name);
1.44 nicm 266: xasprintf(&newval, "%s%s", oldval, value);
1.27 nicm 267: } else
1.44 nicm 268: newval = xstrdup(value);
1.28 nicm 269:
1.43 nicm 270: o = options_set_string(oo, oe->name, "%s", newval);
1.27 nicm 271:
1.44 nicm 272: xfree(newval);
1.43 nicm 273: return (o);
1.27 nicm 274: }
275:
1.43 nicm 276: /* Set a number option. */
277: struct options_entry *
1.44 nicm 278: cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx,
279: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 280: {
1.44 nicm 281: long long ll;
282: const char *errstr;
1.27 nicm 283:
1.44 nicm 284: ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
1.27 nicm 285: if (errstr != NULL) {
1.44 nicm 286: ctx->error(ctx, "value is %s: %s", errstr, value);
1.43 nicm 287: return (NULL);
1.27 nicm 288: }
289:
1.43 nicm 290: return (options_set_number(oo, oe->name, ll));
1.27 nicm 291: }
292:
1.43 nicm 293: /* Set a keys option. */
294: struct options_entry *
1.44 nicm 295: cmd_set_option_keys(unused struct cmd *self, struct cmd_ctx *ctx,
296: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 297: {
1.44 nicm 298: struct keylist *keylist;
299: char *copy, *ptr, *s;
300: int key;
1.27 nicm 301:
302: keylist = xmalloc(sizeof *keylist);
303: ARRAY_INIT(keylist);
304:
1.44 nicm 305: ptr = copy = xstrdup(value);
1.43 nicm 306: while ((s = strsep(&ptr, ",")) != NULL) {
307: if ((key = key_string_lookup_string(s)) == KEYC_NONE) {
308: ctx->error(ctx, "unknown key: %s", s);
309: xfree(copy);
1.27 nicm 310: xfree(keylist);
1.43 nicm 311: return (NULL);
1.27 nicm 312: }
313: ARRAY_ADD(keylist, key);
314: }
1.43 nicm 315: xfree(copy);
1.27 nicm 316:
1.43 nicm 317: return (options_set_data(oo, oe->name, keylist, xfree));
1.27 nicm 318: }
319:
1.43 nicm 320: /* Set a colour option. */
321: struct options_entry *
1.44 nicm 322: cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx,
323: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 324: {
1.44 nicm 325: int colour;
1.27 nicm 326:
1.44 nicm 327: if ((colour = colour_fromstring(value)) == -1) {
328: ctx->error(ctx, "bad colour: %s", value);
1.43 nicm 329: return (NULL);
1.27 nicm 330: }
331:
1.43 nicm 332: return (options_set_number(oo, oe->name, colour));
1.27 nicm 333: }
334:
1.43 nicm 335: /* Set an attributes option. */
336: struct options_entry *
1.44 nicm 337: cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx,
338: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 339: {
1.44 nicm 340: int attr;
1.27 nicm 341:
1.44 nicm 342: if ((attr = attributes_fromstring(value)) == -1) {
343: ctx->error(ctx, "bad attributes: %s", value);
1.43 nicm 344: return (NULL);
1.27 nicm 345: }
346:
1.43 nicm 347: return (options_set_number(oo, oe->name, attr));
1.27 nicm 348: }
349:
1.43 nicm 350: /* Set a flag option. */
351: struct options_entry *
1.44 nicm 352: cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx,
353: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 354: {
1.44 nicm 355: int flag;
1.27 nicm 356:
1.44 nicm 357: if (value == NULL || *value == '\0')
1.43 nicm 358: flag = !options_get_number(oo, oe->name);
1.27 nicm 359: else {
1.44 nicm 360: if ((value[0] == '1' && value[1] == '\0') ||
361: strcasecmp(value, "on") == 0 ||
362: strcasecmp(value, "yes") == 0)
1.27 nicm 363: flag = 1;
1.44 nicm 364: else if ((value[0] == '0' && value[1] == '\0') ||
365: strcasecmp(value, "off") == 0 ||
366: strcasecmp(value, "no") == 0)
1.27 nicm 367: flag = 0;
368: else {
1.44 nicm 369: ctx->error(ctx, "bad value: %s", value);
1.43 nicm 370: return (NULL);
1.27 nicm 371: }
372: }
373:
1.43 nicm 374: return (options_set_number(oo, oe->name, flag));
1.27 nicm 375: }
376:
1.43 nicm 377: /* Set a choice option. */
378: struct options_entry *
1.44 nicm 379: cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx,
380: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 381: {
1.44 nicm 382: const char **choicep;
383: int n, choice = -1;
1.27 nicm 384:
385: n = 0;
1.43 nicm 386: for (choicep = oe->choices; *choicep != NULL; choicep++) {
1.27 nicm 387: n++;
1.44 nicm 388: if (strncmp(*choicep, value, strlen(value)) != 0)
1.27 nicm 389: continue;
390:
391: if (choice != -1) {
1.44 nicm 392: ctx->error(ctx, "ambiguous value: %s", value);
1.43 nicm 393: return (NULL);
1.27 nicm 394: }
395: choice = n - 1;
396: }
397: if (choice == -1) {
1.44 nicm 398: ctx->error(ctx, "unknown value: %s", value);
1.43 nicm 399: return (NULL);
1.27 nicm 400: }
401:
1.43 nicm 402: return (options_set_number(oo, oe->name, choice));
1.1 nicm 403: }
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