Annotation of src/usr.bin/tmux/cmd-set-option.c, Revision 1.48
1.48 ! nicm 1: /* $OpenBSD: cmd-set-option.c,v 1.47 2011/01/26 01:54:56 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:
1.48 ! nicm 169: /* Force redraw when some special cases change. */
1.43 nicm 170: if (strcmp(oe->name, "status-left") == 0 ||
171: strcmp(oe->name, "status-right") == 0 ||
172: strcmp(oe->name, "status") == 0 ||
173: strcmp(oe->name, "set-titles-string") == 0 ||
174: strcmp(oe->name, "window-status-format") == 0) {
1.24 nicm 175: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
176: c = ARRAY_ITEM(&clients, i);
1.47 nicm 177: if (c != NULL && c->session != NULL)
178: server_redraw_client(c);
1.23 nicm 179: }
1.1 nicm 180: }
181:
182: return (0);
1.27 nicm 183: }
184:
1.43 nicm 185: /* Unset an option. */
186: int
187: cmd_set_option_unset(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 188: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 189: {
1.44 nicm 190: struct args *args = self->args;
1.43 nicm 191:
1.44 nicm 192: if (args_has(args, 'g')) {
1.43 nicm 193: ctx->error(ctx, "can't unset global option: %s", oe->name);
194: return (-1);
195: }
1.44 nicm 196: if (value != NULL) {
1.43 nicm 197: ctx->error(ctx, "value passed to unset option: %s", oe->name);
198: return (-1);
1.27 nicm 199: }
1.43 nicm 200:
201: options_remove(oo, oe->name);
202: ctx->info(ctx, "unset option: %s", oe->name);
203: return (0);
1.27 nicm 204: }
205:
1.43 nicm 206: /* Set an option. */
207: int
208: cmd_set_option_set(struct cmd *self, struct cmd_ctx *ctx,
1.44 nicm 209: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 210: {
211: struct options_entry *o;
1.43 nicm 212: const char *s;
1.27 nicm 213:
1.44 nicm 214: if (oe->type != OPTIONS_TABLE_FLAG && value == NULL) {
215: ctx->error(ctx, "empty value");
1.43 nicm 216: return (-1);
1.27 nicm 217: }
218:
1.43 nicm 219: o = NULL;
220: switch (oe->type) {
221: case OPTIONS_TABLE_STRING:
1.44 nicm 222: o = cmd_set_option_string(self, ctx, oe, oo, value);
1.43 nicm 223: break;
224: case OPTIONS_TABLE_NUMBER:
1.44 nicm 225: o = cmd_set_option_number(self, ctx, oe, oo, value);
1.43 nicm 226: break;
227: case OPTIONS_TABLE_KEYS:
1.44 nicm 228: o = cmd_set_option_keys(self, ctx, oe, oo, value);
1.43 nicm 229: break;
230: case OPTIONS_TABLE_COLOUR:
1.44 nicm 231: o = cmd_set_option_colour(self, ctx, oe, oo, value);
1.43 nicm 232: break;
233: case OPTIONS_TABLE_ATTRIBUTES:
1.44 nicm 234: o = cmd_set_option_attributes(self, ctx, oe, oo, value);
1.43 nicm 235: break;
236: case OPTIONS_TABLE_FLAG:
1.44 nicm 237: o = cmd_set_option_flag(self, ctx, oe, oo, value);
1.43 nicm 238: break;
239: case OPTIONS_TABLE_CHOICE:
1.44 nicm 240: o = cmd_set_option_choice(self, ctx, oe, oo, value);
1.43 nicm 241: break;
242: }
243: if (o == NULL)
244: return (-1);
245:
246: s = options_table_print_entry(oe, o);
247: ctx->info(ctx, "set option: %s -> %s", oe->name, s);
248: return (0);
249: }
250:
251: /* Set a string option. */
252: struct options_entry *
253: cmd_set_option_string(struct cmd *self, unused struct cmd_ctx *ctx,
1.44 nicm 254: const struct options_table_entry *oe, struct options *oo, const char *value)
1.43 nicm 255: {
1.44 nicm 256: struct args *args = self->args;
1.43 nicm 257: struct options_entry *o;
258: char *oldval, *newval;
259:
1.44 nicm 260: if (args_has(args, 'a')) {
1.43 nicm 261: oldval = options_get_string(oo, oe->name);
1.44 nicm 262: xasprintf(&newval, "%s%s", oldval, value);
1.27 nicm 263: } else
1.44 nicm 264: newval = xstrdup(value);
1.28 nicm 265:
1.43 nicm 266: o = options_set_string(oo, oe->name, "%s", newval);
1.27 nicm 267:
1.44 nicm 268: xfree(newval);
1.43 nicm 269: return (o);
1.27 nicm 270: }
271:
1.43 nicm 272: /* Set a number option. */
273: struct options_entry *
1.44 nicm 274: cmd_set_option_number(unused struct cmd *self, struct cmd_ctx *ctx,
275: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 276: {
1.44 nicm 277: long long ll;
278: const char *errstr;
1.27 nicm 279:
1.44 nicm 280: ll = strtonum(value, oe->minimum, oe->maximum, &errstr);
1.27 nicm 281: if (errstr != NULL) {
1.44 nicm 282: ctx->error(ctx, "value is %s: %s", errstr, value);
1.43 nicm 283: return (NULL);
1.27 nicm 284: }
285:
1.43 nicm 286: return (options_set_number(oo, oe->name, ll));
1.27 nicm 287: }
288:
1.43 nicm 289: /* Set a keys option. */
290: struct options_entry *
1.44 nicm 291: cmd_set_option_keys(unused struct cmd *self, struct cmd_ctx *ctx,
292: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 293: {
1.44 nicm 294: struct keylist *keylist;
295: char *copy, *ptr, *s;
296: int key;
1.27 nicm 297:
298: keylist = xmalloc(sizeof *keylist);
299: ARRAY_INIT(keylist);
300:
1.44 nicm 301: ptr = copy = xstrdup(value);
1.43 nicm 302: while ((s = strsep(&ptr, ",")) != NULL) {
303: if ((key = key_string_lookup_string(s)) == KEYC_NONE) {
304: ctx->error(ctx, "unknown key: %s", s);
305: xfree(copy);
1.27 nicm 306: xfree(keylist);
1.43 nicm 307: return (NULL);
1.27 nicm 308: }
309: ARRAY_ADD(keylist, key);
310: }
1.43 nicm 311: xfree(copy);
1.27 nicm 312:
1.43 nicm 313: return (options_set_data(oo, oe->name, keylist, xfree));
1.27 nicm 314: }
315:
1.43 nicm 316: /* Set a colour option. */
317: struct options_entry *
1.44 nicm 318: cmd_set_option_colour(unused struct cmd *self, struct cmd_ctx *ctx,
319: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 320: {
1.44 nicm 321: int colour;
1.27 nicm 322:
1.44 nicm 323: if ((colour = colour_fromstring(value)) == -1) {
324: ctx->error(ctx, "bad colour: %s", value);
1.43 nicm 325: return (NULL);
1.27 nicm 326: }
327:
1.43 nicm 328: return (options_set_number(oo, oe->name, colour));
1.27 nicm 329: }
330:
1.43 nicm 331: /* Set an attributes option. */
332: struct options_entry *
1.44 nicm 333: cmd_set_option_attributes(unused struct cmd *self, struct cmd_ctx *ctx,
334: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 335: {
1.44 nicm 336: int attr;
1.27 nicm 337:
1.44 nicm 338: if ((attr = attributes_fromstring(value)) == -1) {
339: ctx->error(ctx, "bad attributes: %s", value);
1.43 nicm 340: return (NULL);
1.27 nicm 341: }
342:
1.43 nicm 343: return (options_set_number(oo, oe->name, attr));
1.27 nicm 344: }
345:
1.43 nicm 346: /* Set a flag option. */
347: struct options_entry *
1.44 nicm 348: cmd_set_option_flag(unused struct cmd *self, struct cmd_ctx *ctx,
349: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 350: {
1.44 nicm 351: int flag;
1.27 nicm 352:
1.44 nicm 353: if (value == NULL || *value == '\0')
1.43 nicm 354: flag = !options_get_number(oo, oe->name);
1.27 nicm 355: else {
1.44 nicm 356: if ((value[0] == '1' && value[1] == '\0') ||
357: strcasecmp(value, "on") == 0 ||
358: strcasecmp(value, "yes") == 0)
1.27 nicm 359: flag = 1;
1.44 nicm 360: else if ((value[0] == '0' && value[1] == '\0') ||
361: strcasecmp(value, "off") == 0 ||
362: strcasecmp(value, "no") == 0)
1.27 nicm 363: flag = 0;
364: else {
1.44 nicm 365: ctx->error(ctx, "bad value: %s", value);
1.43 nicm 366: return (NULL);
1.27 nicm 367: }
368: }
369:
1.43 nicm 370: return (options_set_number(oo, oe->name, flag));
1.27 nicm 371: }
372:
1.43 nicm 373: /* Set a choice option. */
374: struct options_entry *
1.44 nicm 375: cmd_set_option_choice(unused struct cmd *self, struct cmd_ctx *ctx,
376: const struct options_table_entry *oe, struct options *oo, const char *value)
1.27 nicm 377: {
1.44 nicm 378: const char **choicep;
379: int n, choice = -1;
1.27 nicm 380:
381: n = 0;
1.43 nicm 382: for (choicep = oe->choices; *choicep != NULL; choicep++) {
1.27 nicm 383: n++;
1.44 nicm 384: if (strncmp(*choicep, value, strlen(value)) != 0)
1.27 nicm 385: continue;
386:
387: if (choice != -1) {
1.44 nicm 388: ctx->error(ctx, "ambiguous value: %s", value);
1.43 nicm 389: return (NULL);
1.27 nicm 390: }
391: choice = n - 1;
392: }
393: if (choice == -1) {
1.44 nicm 394: ctx->error(ctx, "unknown value: %s", value);
1.43 nicm 395: return (NULL);
1.27 nicm 396: }
397:
1.43 nicm 398: return (options_set_number(oo, oe->name, choice));
1.1 nicm 399: }
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