Annotation of src/usr.bin/tmux/cmd-set-option.c, Revision 1.109
1.109 ! nicm 1: /* $OpenBSD: cmd-set-option.c,v 1.108 2017/01/24 19:11:46 nicm Exp $ */
1.1 nicm 2:
3: /*
1.93 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.101 nicm 30: static enum cmd_retval cmd_set_option_exec(struct cmd *, struct cmdq_item *);
1.59 nicm 31:
1.105 nicm 32: static int cmd_set_option_set(struct cmd *, struct cmdq_item *,
1.107 nicm 33: struct options *, struct options_entry *, const char *);
1.105 nicm 34: static int cmd_set_option_flag(struct cmdq_item *,
1.99 nicm 35: const struct options_table_entry *, struct options *,
36: const char *);
1.105 nicm 37: static int cmd_set_option_choice(struct cmdq_item *,
1.99 nicm 38: const struct options_table_entry *, struct options *,
39: const char *);
1.43 nicm 40:
1.1 nicm 41: const struct cmd_entry cmd_set_option_entry = {
1.91 nicm 42: .name = "set-option",
43: .alias = "set",
44:
45: .args = { "agoqst:uw", 1, 2 },
46: .usage = "[-agosquw] [-t target-window] option [value]",
47:
1.92 nicm 48: .tflag = CMD_WINDOW_CANFAIL,
49:
1.100 nicm 50: .flags = CMD_AFTERHOOK,
1.91 nicm 51: .exec = cmd_set_option_exec
1.1 nicm 52: };
53:
1.46 nicm 54: const struct cmd_entry cmd_set_window_option_entry = {
1.91 nicm 55: .name = "set-window-option",
56: .alias = "setw",
57:
58: .args = { "agoqt:u", 1, 2 },
59: .usage = "[-agoqu] " CMD_TARGET_WINDOW_USAGE " option [value]",
60:
1.92 nicm 61: .tflag = CMD_WINDOW_CANFAIL,
62:
1.100 nicm 63: .flags = CMD_AFTERHOOK,
1.91 nicm 64: .exec = cmd_set_option_exec
1.46 nicm 65: };
66:
1.99 nicm 67: static enum cmd_retval
1.101 nicm 68: cmd_set_option_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 69: {
1.105 nicm 70: struct args *args = self->args;
1.109 ! nicm 71: int append = args_has(args, 'a');
1.105 nicm 72: struct cmd_find_state *fs = &item->state.tflag;
73: struct session *s = fs->s;
74: struct winlink *wl = fs->wl;
75: struct window *w = wl->window;
76: struct client *c;
77: enum options_table_scope scope;
78: struct options *oo;
1.107 nicm 79: struct options_entry *parent, *o;
1.105 nicm 80: const char *name, *value, *target;
81: int window, idx, already, error, ambiguous;
82: char *cause;
83:
84: /* Parse option name and index. */
85: name = options_match(args->argv[0], &idx, &ambiguous);
86: if (name == NULL) {
1.106 nicm 87: if (args_has(args, 'q'))
88: return (CMD_RETURN_NORMAL);
1.105 nicm 89: if (ambiguous)
90: cmdq_error(item, "ambiguous option: %s", args->argv[0]);
91: else
92: cmdq_error(item, "invalid option: %s", args->argv[0]);
1.57 nicm 93: return (CMD_RETURN_ERROR);
1.50 nicm 94: }
95: if (args->argc < 2)
1.105 nicm 96: value = NULL;
1.50 nicm 97: else
1.105 nicm 98: value = args->argv[1];
1.50 nicm 99:
1.105 nicm 100: /*
101: * Figure out the scope: for user options it comes from the arguments,
102: * otherwise from the option name.
103: */
104: if (*name == '@') {
105: window = (self->entry == &cmd_set_window_option_entry);
106: scope = options_scope_from_flags(args, window, fs, &oo, &cause);
107: } else {
108: if (options_get_only(global_options, name) != NULL)
109: scope = OPTIONS_TABLE_SERVER;
110: else if (options_get_only(global_s_options, name) != NULL)
111: scope = OPTIONS_TABLE_SESSION;
112: else if (options_get_only(global_w_options, name) != NULL)
113: scope = OPTIONS_TABLE_WINDOW;
114: else {
115: scope = OPTIONS_TABLE_NONE;
116: xasprintf(&cause, "unknown option: %s", args->argv[0]);
1.76 nicm 117: }
1.50 nicm 118: }
1.105 nicm 119: if (scope == OPTIONS_TABLE_NONE) {
1.106 nicm 120: if (args_has(args, 'q'))
121: return (CMD_RETURN_NORMAL);
1.105 nicm 122: cmdq_error(item, "%s", cause);
123: free(cause);
124: return (CMD_RETURN_ERROR);
1.50 nicm 125: }
126:
1.105 nicm 127: /* Which table should this option go into? */
128: if (scope == OPTIONS_TABLE_SERVER)
1.84 nicm 129: oo = global_options;
1.105 nicm 130: else if (scope == OPTIONS_TABLE_SESSION) {
131: if (args_has(self->args, 'g'))
132: oo = global_s_options;
133: else if (s == NULL) {
134: target = args_get(args, 't');
135: if (target != NULL)
136: cmdq_error(item, "no such session: %s", target);
137: else
138: cmdq_error(item, "no current session");
139: return (CMD_RETURN_ERROR);
140: } else
141: oo = s->options;
142: } else if (scope == OPTIONS_TABLE_WINDOW) {
1.44 nicm 143: if (args_has(self->args, 'g'))
1.84 nicm 144: oo = global_w_options;
1.94 nicm 145: else if (wl == NULL) {
146: target = args_get(args, 't');
1.105 nicm 147: if (target != NULL)
148: cmdq_error(item, "no such window: %s", target);
149: else
1.101 nicm 150: cmdq_error(item, "no current window");
1.94 nicm 151: return (CMD_RETURN_ERROR);
152: } else
1.84 nicm 153: oo = wl->window->options;
1.105 nicm 154: }
155: o = options_get_only(oo, name);
156: parent = options_get(oo, name);
157:
158: /* Check that array options and indexes match up. */
159: if (idx != -1) {
160: if (*name == '@' || options_array_size(parent, NULL) == -1) {
161: cmdq_error(item, "not an array: %s", args->argv[0]);
1.94 nicm 162: return (CMD_RETURN_ERROR);
1.105 nicm 163: }
164: }
165:
166: /* With -o, check this option is not already set. */
167: if (!args_has(args, 'u') && args_has(args, 'o')) {
168: if (idx == -1)
169: already = (o != NULL);
170: else {
171: if (o == NULL)
172: already = 0;
173: else
174: already = (options_array_get(o, idx) != NULL);
175: }
176: if (already) {
177: if (args_has(args, 'q'))
178: return (CMD_RETURN_NORMAL);
179: cmdq_error(item, "already set: %s", args->argv[0]);
180: return (CMD_RETURN_ERROR);
181: }
1.1 nicm 182: }
183:
1.105 nicm 184: /* Change the option. */
1.44 nicm 185: if (args_has(args, 'u')) {
1.105 nicm 186: if (o == NULL)
187: return (CMD_RETURN_NORMAL);
188: if (idx == -1) {
189: if (oo == global_options ||
190: oo == global_s_options ||
191: oo == global_w_options)
192: options_default(oo, options_table_entry(o));
193: else
194: options_remove(o);
195: } else
1.108 nicm 196: options_array_set(o, idx, NULL, 0);
1.109 ! nicm 197: } else if (*name == '@') {
! 198: if (value == NULL) {
! 199: cmdq_error(item, "empty value");
! 200: return (CMD_RETURN_ERROR);
! 201: }
! 202: options_set_string(oo, name, append, "%s", value);
! 203: } else if (idx == -1 && options_array_size(parent, NULL) == -1) {
1.105 nicm 204: error = cmd_set_option_set(self, item, oo, parent, value);
205: if (error != 0)
1.57 nicm 206: return (CMD_RETURN_ERROR);
1.43 nicm 207: } else {
1.109 ! nicm 208: if (value == NULL) {
! 209: cmdq_error(item, "empty value");
! 210: return (CMD_RETURN_ERROR);
! 211: }
1.105 nicm 212: if (o == NULL)
213: o = options_empty(oo, options_table_entry(parent));
1.109 ! nicm 214: if (idx == -1)
! 215: options_array_assign(o, value);
! 216: else if (options_array_set(o, idx, value, append) != 0) {
1.105 nicm 217: cmdq_error(item, "invalid index: %s", args->argv[0]);
218: return (CMD_RETURN_ERROR);
1.61 nicm 219: }
1.55 nicm 220: }
221:
1.103 nicm 222: /* Update timers and so on for various options. */
1.105 nicm 223: if (strcmp(name, "automatic-rename") == 0) {
1.72 nicm 224: RB_FOREACH(w, windows, &windows) {
1.102 nicm 225: if (w->active == NULL)
226: continue;
1.84 nicm 227: if (options_get_number(w->options, "automatic-rename"))
1.81 nicm 228: w->active->flags |= PANE_CHANGED;
1.55 nicm 229: }
1.89 nicm 230: }
1.105 nicm 231: if (strcmp(name, "key-table") == 0) {
1.89 nicm 232: TAILQ_FOREACH(c, &clients, entry)
233: server_client_set_key_table(c, NULL);
1.1 nicm 234: }
1.105 nicm 235: if (strcmp(name, "status") == 0 ||
236: strcmp(name, "status-interval") == 0)
1.77 nicm 237: status_timer_start_all();
1.105 nicm 238: if (strcmp(name, "monitor-silence") == 0)
1.82 nicm 239: alerts_reset_all();
1.105 nicm 240: if (strcmp(name, "window-style") == 0 ||
241: strcmp(name, "window-active-style") == 0) {
1.96 nicm 242: RB_FOREACH(w, windows, &windows)
243: w->flags |= WINDOW_STYLECHANGED;
244: }
1.105 nicm 245: if (strcmp(name, "pane-border-status") == 0) {
1.95 nicm 246: RB_FOREACH(w, windows, &windows)
247: layout_fix_panes(w, w->sx, w->sy);
248: }
1.1 nicm 249:
1.105 nicm 250: /*
251: * Update sizes and redraw. May not always be necessary but do it
252: * anyway.
253: */
1.1 nicm 254: recalculate_sizes();
1.74 nicm 255: TAILQ_FOREACH(c, &clients, entry) {
256: if (c->session != NULL)
1.27 nicm 257: server_redraw_client(c);
1.1 nicm 258: }
259:
1.57 nicm 260: return (CMD_RETURN_NORMAL);
1.27 nicm 261: }
1.59 nicm 262:
1.99 nicm 263: static int
1.105 nicm 264: cmd_set_option_set(struct cmd *self, struct cmdq_item *item, struct options *oo,
1.107 nicm 265: struct options_entry *parent, const char *value)
1.27 nicm 266: {
1.105 nicm 267: const struct options_table_entry *oe;
268: struct args *args = self->args;
269: int append = args_has(args, 'a');
1.107 nicm 270: struct options_entry *o;
1.105 nicm 271: long long number;
272: const char *errstr;
273: key_code key;
274:
275: oe = options_table_entry(parent);
276: if (value == NULL &&
277: oe->type != OPTIONS_TABLE_FLAG &&
278: oe->type != OPTIONS_TABLE_CHOICE) {
279: cmdq_error(item, "empty value");
1.43 nicm 280: return (-1);
1.27 nicm 281: }
1.43 nicm 282:
283: switch (oe->type) {
284: case OPTIONS_TABLE_STRING:
1.105 nicm 285: options_set_string(oo, oe->name, append, "%s", value);
286: return (0);
1.43 nicm 287: case OPTIONS_TABLE_NUMBER:
1.105 nicm 288: number = strtonum(value, oe->minimum, oe->maximum, &errstr);
289: if (errstr != NULL) {
290: cmdq_error(item, "value is %s: %s", errstr, value);
291: return (-1);
292: }
293: options_set_number(oo, oe->name, number);
294: return (0);
1.52 nicm 295: case OPTIONS_TABLE_KEY:
1.105 nicm 296: key = key_string_lookup_string(value);
297: if (key == KEYC_UNKNOWN) {
298: cmdq_error(item, "bad key: %s", value);
299: return (-1);
300: }
301: options_set_number(oo, oe->name, key);
302: return (0);
1.43 nicm 303: case OPTIONS_TABLE_COLOUR:
1.105 nicm 304: if ((number = colour_fromstring(value)) == -1) {
305: cmdq_error(item, "bad colour: %s", value);
306: return (-1);
307: }
308: o = options_set_number(oo, oe->name, number);
309: options_style_update_new(oo, o);
310: return (0);
1.43 nicm 311: case OPTIONS_TABLE_ATTRIBUTES:
1.105 nicm 312: if ((number = attributes_fromstring(value)) == -1) {
313: cmdq_error(item, "bad attributes: %s", value);
314: return (-1);
315: }
316: o = options_set_number(oo, oe->name, number);
317: options_style_update_new(oo, o);
318: return (0);
1.43 nicm 319: case OPTIONS_TABLE_FLAG:
1.105 nicm 320: return (cmd_set_option_flag(item, oe, oo, value));
1.43 nicm 321: case OPTIONS_TABLE_CHOICE:
1.105 nicm 322: return (cmd_set_option_choice(item, oe, oo, value));
1.64 nicm 323: case OPTIONS_TABLE_STYLE:
1.105 nicm 324: o = options_set_style(oo, oe->name, append, value);
325: if (o == NULL) {
326: cmdq_error(item, "bad style: %s", value);
327: return (-1);
328: }
329: options_style_update_old(oo, o);
330: return (0);
331: case OPTIONS_TABLE_ARRAY:
1.64 nicm 332: break;
1.43 nicm 333: }
1.105 nicm 334: return (-1);
1.43 nicm 335: }
336:
1.105 nicm 337: static int
338: cmd_set_option_flag(struct cmdq_item *item,
1.69 nicm 339: const struct options_table_entry *oe, struct options *oo,
340: const char *value)
1.27 nicm 341: {
1.44 nicm 342: int flag;
1.27 nicm 343:
1.44 nicm 344: if (value == NULL || *value == '\0')
1.43 nicm 345: flag = !options_get_number(oo, oe->name);
1.105 nicm 346: else if (strcmp(value, "1") == 0 ||
347: strcasecmp(value, "on") == 0 ||
348: strcasecmp(value, "yes") == 0)
349: flag = 1;
350: else if (strcmp(value, "0") == 0 ||
351: strcasecmp(value, "off") == 0 ||
352: strcasecmp(value, "no") == 0)
353: flag = 0;
1.27 nicm 354: else {
1.105 nicm 355: cmdq_error(item, "bad value: %s", value);
356: return (-1);
1.27 nicm 357: }
1.105 nicm 358: options_set_number(oo, oe->name, flag);
359: return (0);
1.27 nicm 360: }
361:
1.105 nicm 362: static int
363: cmd_set_option_choice(struct cmdq_item *item,
1.60 nicm 364: const struct options_table_entry *oe, struct options *oo,
365: const char *value)
1.27 nicm 366: {
1.105 nicm 367: const char **cp;
1.44 nicm 368: int n, choice = -1;
1.27 nicm 369:
1.73 nicm 370: if (value == NULL) {
371: choice = options_get_number(oo, oe->name);
372: if (choice < 2)
373: choice = !choice;
374: } else {
375: n = 0;
1.105 nicm 376: for (cp = oe->choices; *cp != NULL; cp++) {
377: if (strcmp(*cp, value) == 0)
378: choice = n;
1.73 nicm 379: n++;
380: }
381: if (choice == -1) {
1.101 nicm 382: cmdq_error(item, "unknown value: %s", value);
1.105 nicm 383: return (-1);
1.27 nicm 384: }
385: }
1.105 nicm 386: options_set_number(oo, oe->name, choice);
387: return (0);
1.1 nicm 388: }
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