Annotation of src/usr.bin/tmux/cmd-set-option.c, Revision 1.45
1.45 ! nicm 1: /* $OpenBSD: cmd-set-option.c,v 1.44 2011/01/04 00:42:47 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:
71: int
72: cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
73: {
1.44 nicm 74: struct args *args = self->args;
1.43 nicm 75: const struct options_table_entry *table, *oe, *oe_loop;
76: struct session *s;
77: struct winlink *wl;
78: struct client *c;
79: struct options *oo;
80: struct jobs *jobs;
81: struct job *job, *nextjob;
1.44 nicm 82: const char *optstr, *valstr;
1.43 nicm 83: u_int i;
84: int try_again;
1.1 nicm 85:
1.43 nicm 86: /* Work out the options tree and table to use. */
1.44 nicm 87: if (args_has(self->args, 's')) {
1.29 nicm 88: oo = &global_options;
1.43 nicm 89: table = server_options_table;
1.44 nicm 90: } else if (args_has(self->args, 'w')) {
1.43 nicm 91: table = window_options_table;
1.44 nicm 92: if (args_has(self->args, 'g'))
1.27 nicm 93: oo = &global_w_options;
94: else {
1.44 nicm 95: wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
1.27 nicm 96: if (wl == NULL)
97: return (-1);
98: oo = &wl->window->options;
99: }
100: } else {
1.43 nicm 101: table = session_options_table;
1.44 nicm 102: if (args_has(self->args, 'g'))
1.27 nicm 103: oo = &global_s_options;
104: else {
1.44 nicm 105: s = cmd_find_session(ctx, args_get(args, 't'));
1.27 nicm 106: if (s == NULL)
107: return (-1);
108: oo = &s->options;
109: }
1.1 nicm 110: }
111:
1.44 nicm 112: /* Get the option name and value. */
113: optstr = args->argv[0];
114: if (*optstr == '\0') {
115: ctx->error(ctx, "invalid option");
116: return (-1);
117: }
1.45 ! nicm 118: if (args->argc < 2)
1.44 nicm 119: valstr = NULL;
120: else
121: valstr = args->argv[1];
122:
1.43 nicm 123: /* Find the option table entry. */
124: oe = NULL;
125: for (oe_loop = table; oe_loop->name != NULL; oe_loop++) {
1.44 nicm 126: if (strncmp(oe_loop->name, optstr, strlen(optstr)) != 0)
1.1 nicm 127: continue;
1.44 nicm 128:
1.43 nicm 129: if (oe != NULL) {
1.44 nicm 130: ctx->error(ctx, "ambiguous option: %s", optstr);
1.1 nicm 131: return (-1);
132: }
1.43 nicm 133: oe = oe_loop;
1.1 nicm 134:
135: /* Bail now if an exact match. */
1.44 nicm 136: if (strcmp(oe->name, optstr) == 0)
1.1 nicm 137: break;
138: }
1.43 nicm 139: if (oe == NULL) {
1.44 nicm 140: ctx->error(ctx, "unknown option: %s", optstr);
1.1 nicm 141: return (-1);
142: }
143:
1.43 nicm 144: /* Unset or set the option. */
1.44 nicm 145: if (args_has(args, 'u')) {
146: if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 147: return (-1);
1.43 nicm 148: } else {
1.44 nicm 149: if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0)
1.1 nicm 150: return (-1);
151: }
152:
1.43 nicm 153: /* Update sizes and redraw. May not need it but meh. */
1.1 nicm 154: recalculate_sizes();
1.27 nicm 155: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
156: c = ARRAY_ITEM(&clients, i);
157: if (c != NULL && c->session != NULL)
158: server_redraw_client(c);
159: }
1.24 nicm 160:
1.28 nicm 161: /*
1.24 nicm 162: * Special-case: kill all persistent jobs if status-left, status-right
163: * or set-titles-string have changed. Persistent jobs are only used by
164: * the status line at the moment so this works XXX.
165: */
1.43 nicm 166: if (strcmp(oe->name, "status-left") == 0 ||
167: strcmp(oe->name, "status-right") == 0 ||
168: strcmp(oe->name, "status") == 0 ||
169: strcmp(oe->name, "set-titles-string") == 0 ||
170: strcmp(oe->name, "window-status-format") == 0) {
1.24 nicm 171: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
172: c = ARRAY_ITEM(&clients, i);
173: if (c == NULL || c->session == NULL)
174: continue;
175:
176: jobs = &c->status_jobs;
177: do {
1.28 nicm 178: try_again = 0;
1.24 nicm 179: job = RB_ROOT(jobs);
180: while (job != NULL) {
181: nextjob = RB_NEXT(jobs, jobs, job);
182: if (job->flags & JOB_PERSIST) {
183: job_remove(jobs, job);
184: try_again = 1;
185: break;
186: }
187: job = nextjob;
188: }
189: } while (try_again);
1.1 nicm 190: server_redraw_client(c);
1.23 nicm 191: }
1.1 nicm 192: }
193:
194: return (0);
1.27 nicm 195: }
196:
1.43 nicm 197: /* Unset an option. */
198: int
199: cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 200: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 201: {
1.44 nicm 202: struct args *args = self->args;
1.43 nicm 203:
1.44 nicm 204: if (args_has(args, 'g')) {
1.43 nicm 205: ctx->error(ctx, "can't unset global option: %s", oe->name);
206: return (-1);
207: }
1.44 nicm 208: if (value != NULL) {
1.43 nicm 209: ctx->error(ctx, "value passed to unset option: %s", oe->name);
210: return (-1);
1.27 nicm 211: }
1.43 nicm 212:
213: options_remove(oo, oe->name);
214: ctx->info(ctx, "unset option: %s", oe->name);
215: return (0);
1.27 nicm 216: }
217:
1.43 nicm 218: /* Set an option. */
219: int
220: cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 221: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 222: {
223: struct options_entry *o;
1.43 nicm 224: const char *s;
1.27 nicm 225:
1.44 nicm 226: if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) {
227: ctx->error(ctx, "empty value");
1.43 nicm 228: return (-1);
1.27 nicm 229: }
230:
1.43 nicm 231: o = NULL;
232: switch (oe->type) {
233: case OPTIONS_TABLE_STRING:
1.44 nicm 234: o = cmd_set_option_string(self, ctx, oe, oo, value);
1.43 nicm 235: break;
236: case OPTIONS_TABLE_NUMBER:
1.44 nicm 237: o = cmd_set_option_number(self, ctx, oe, oo, value);
1.43 nicm 238: break;
239: case OPTIONS_TABLE_KEYS:
1.44 nicm 240: o = cmd_set_option_keys(self, ctx, oe, oo, value);
1.43 nicm 241: break;
242: case OPTIONS_TABLE_COLOUR:
1.44 nicm 243: o = cmd_set_option_colour(self, ctx, oe, oo, value);
1.43 nicm 244: break;
245: case OPTIONS_TABLE_ATTRIBUTES:
1.44 nicm 246: o = cmd_set_option_attributes(self, ctx, oe, oo, value);
1.43 nicm 247: break;
248: case OPTIONS_TABLE_FLAG:
1.44 nicm 249: o = cmd_set_option_flag(self, ctx, oe, oo, value);
1.43 nicm 250: break;
251: case OPTIONS_TABLE_CHOICE:
1.44 nicm 252: o = cmd_set_option_choice(self, ctx, oe, oo, value);
1.43 nicm 253: break;
254: }
255: if (o == NULL)
256: return (-1);
257:
258: s = options_table_print_entry(oe, o);
259: ctx->info(ctx, "set option: %s -> %s", oe->name, s);
260: return (0);
261: }
262:
263: /* Set a string option. */
264: struct options_entry *
265: cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx,
1.44 nicm 266: const struct options_table_entry *oe, struct options *oo, const char *value)
1.43 nicm 267: {
1.44 nicm 268: struct args *args = self->args;
1.43 nicm 269: struct options_entry *o;
270: char *oldval, *newval;
271:
1.44 nicm 272: if (args_has(args, 'a')) {
1.43 nicm 273: oldval = options_get_string(oo, oe->name);
1.44 nicm 274: xasprintf(&newval, "%s%s", oldval, value);
1.27 nicm 275: } else
1.44 nicm 276: newval = xstrdup(value);
1.28 nicm 277:
1.43 nicm 278: o = options_set_string(oo, oe->name, "%s", newval);
1.27 nicm 279:
1.44 nicm 280: xfree(newval);
1.43 nicm 281: return (o);
1.27 nicm 282: }
283:
1.43 nicm 284: /* Set a number option. */
285: struct options_entry *
1.44 nicm 286: cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx,
287: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 288: {
1.44 nicm 289: long long ll;
290: const char *errstr;
1.27 nicm 291:
1.44 nicm 292: ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
1.27 nicm 293: if (errstr != NULL) {
1.44 nicm 294: ctx->error(ctx, "value is %s: %s", errstr, value);
1.43 nicm 295: return (NULL);
1.27 nicm 296: }
297:
1.43 nicm 298: return (options_set_number(oo, oe->name, ll));
1.27 nicm 299: }
300:
1.43 nicm 301: /* Set a keys option. */
302: struct options_entry *
1.44 nicm 303: cmd_set_option_keys(unused struct cmd *self, struct cmd_ctx *ctx,
304: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 305: {
1.44 nicm 306: struct keylist *keylist;
307: char *copy, *ptr, *s;
308: int key;
1.27 nicm 309:
310: keylist = xmalloc(sizeof *keylist);
311: ARRAY_INIT(keylist);
312:
1.44 nicm 313: ptr = copy = xstrdup(value);
1.43 nicm 314: while ((s = strsep(&ptr, ",")) != NULL) {
315: if ((key = key_string_lookup_string(s)) == KEYC_NONE) {
316: ctx->error(ctx, "unknown key: %s", s);
317: xfree(copy);
1.27 nicm 318: xfree(keylist);
1.43 nicm 319: return (NULL);
1.27 nicm 320: }
321: ARRAY_ADD(keylist, key);
322: }
1.43 nicm 323: xfree(copy);
1.27 nicm 324:
1.43 nicm 325: return (options_set_data(oo, oe->name, keylist, xfree));
1.27 nicm 326: }
327:
1.43 nicm 328: /* Set a colour option. */
329: struct options_entry *
1.44 nicm 330: cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx,
331: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 332: {
1.44 nicm 333: int colour;
1.27 nicm 334:
1.44 nicm 335: if ((colour = colour_fromstring(value)) == -1) {
336: ctx->error(ctx, "bad colour: %s", value);
1.43 nicm 337: return (NULL);
1.27 nicm 338: }
339:
1.43 nicm 340: return (options_set_number(oo, oe->name, colour));
1.27 nicm 341: }
342:
1.43 nicm 343: /* Set an attributes option. */
344: struct options_entry *
1.44 nicm 345: cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx,
346: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 347: {
1.44 nicm 348: int attr;
1.27 nicm 349:
1.44 nicm 350: if ((attr = attributes_fromstring(value)) == -1) {
351: ctx->error(ctx, "bad attributes: %s", value);
1.43 nicm 352: return (NULL);
1.27 nicm 353: }
354:
1.43 nicm 355: return (options_set_number(oo, oe->name, attr));
1.27 nicm 356: }
357:
1.43 nicm 358: /* Set a flag option. */
359: struct options_entry *
1.44 nicm 360: cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx,
361: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 362: {
1.44 nicm 363: int flag;
1.27 nicm 364:
1.44 nicm 365: if (value == NULL || *value == '\0')
1.43 nicm 366: flag = !options_get_number(oo, oe->name);
1.27 nicm 367: else {
1.44 nicm 368: if ((value[0] == '1' && value[1] == '\0') ||
369: strcasecmp(value, "on") == 0 ||
370: strcasecmp(value, "yes") == 0)
1.27 nicm 371: flag = 1;
1.44 nicm 372: else if ((value[0] == '0' && value[1] == '\0') ||
373: strcasecmp(value, "off") == 0 ||
374: strcasecmp(value, "no") == 0)
1.27 nicm 375: flag = 0;
376: else {
1.44 nicm 377: ctx->error(ctx, "bad value: %s", value);
1.43 nicm 378: return (NULL);
1.27 nicm 379: }
380: }
381:
1.43 nicm 382: return (options_set_number(oo, oe->name, flag));
1.27 nicm 383: }
384:
1.43 nicm 385: /* Set a choice option. */
386: struct options_entry *
1.44 nicm 387: cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx,
388: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 389: {
1.44 nicm 390: const char **choicep;
391: int n, choice = -1;
1.27 nicm 392:
393: n = 0;
1.43 nicm 394: for (choicep = oe->choices; *choicep != NULL; choicep++) {
1.27 nicm 395: n++;
1.44 nicm 396: if (strncmp(*choicep, value, strlen(value)) != 0)
1.27 nicm 397: continue;
398:
399: if (choice != -1) {
1.44 nicm 400: ctx->error(ctx, "ambiguous value: %s", value);
1.43 nicm 401: return (NULL);
1.27 nicm 402: }
403: choice = n - 1;
404: }
405: if (choice == -1) {
1.44 nicm 406: ctx->error(ctx, "unknown value: %s", value);
1.43 nicm 407: return (NULL);
1.27 nicm 408: }
409:
1.43 nicm 410: return (options_set_number(oo, oe->name, choice));
1.1 nicm 411: }
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