xref: /openbsd-src/usr.bin/tmux/cmd-set-option.c (revision 43003dfe3ad45d1698bed8a37f2b0f5b14f20d4f)
1 /* $OpenBSD: cmd-set-option.c,v 1.23 2009/10/10 15:03:01 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 int	cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
31 
32 const struct cmd_entry cmd_set_option_entry = {
33 	"set-option", "set",
34 	"[-agu] " CMD_TARGET_SESSION_USAGE " option [value]",
35 	CMD_ARG12, CMD_CHFLAG('a')|CMD_CHFLAG('g')|CMD_CHFLAG('u'),
36 	NULL,
37 	cmd_target_parse,
38 	cmd_set_option_exec,
39 	cmd_target_free,
40 	cmd_target_print
41 };
42 
43 const char *set_option_status_keys_list[] = {
44 	"emacs", "vi", NULL
45 };
46 const char *set_option_status_justify_list[] = {
47 	"left", "centre", "right", NULL
48 };
49 const char *set_option_bell_action_list[] = {
50 	"none", "any", "current", NULL
51 };
52 const struct set_option_entry set_option_table[] = {
53 	{ "base-index", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
54 	{ "bell-action", SET_OPTION_CHOICE, 0, 0, set_option_bell_action_list },
55 	{ "buffer-limit", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
56 	{ "default-command", SET_OPTION_STRING, 0, 0, NULL },
57 	{ "default-path", SET_OPTION_STRING, 0, 0, NULL },
58 	{ "default-shell", SET_OPTION_STRING, 0, 0, NULL },
59 	{ "default-terminal", SET_OPTION_STRING, 0, 0, NULL },
60 	{ "display-panes-colour", SET_OPTION_COLOUR, 0, 0, NULL },
61 	{ "display-panes-time", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
62 	{ "display-time", SET_OPTION_NUMBER, 1, INT_MAX, NULL },
63 	{ "history-limit", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
64 	{ "lock-after-time", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
65 	{ "lock-command", SET_OPTION_STRING, 0, 0, NULL },
66 	{ "lock-server", SET_OPTION_FLAG, 0, 0, NULL },
67 	{ "message-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
68 	{ "message-bg", SET_OPTION_COLOUR, 0, 0, NULL },
69 	{ "message-fg", SET_OPTION_COLOUR, 0, 0, NULL },
70 	{ "mouse-select-pane", SET_OPTION_FLAG, 0, 0, NULL },
71 	{ "prefix", SET_OPTION_KEYS, 0, 0, NULL },
72 	{ "repeat-time", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },
73 	{ "set-remain-on-exit", SET_OPTION_FLAG, 0, 0, NULL },
74 	{ "set-titles", SET_OPTION_FLAG, 0, 0, NULL },
75 	{ "set-titles-string", SET_OPTION_STRING, 0, 0, NULL },
76 	{ "status", SET_OPTION_FLAG, 0, 0, NULL },
77 	{ "status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
78 	{ "status-bg", SET_OPTION_COLOUR, 0, 0, NULL },
79 	{ "status-fg", SET_OPTION_COLOUR, 0, 0, NULL },
80 	{ "status-interval", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
81 	{ "status-justify",
82 	  SET_OPTION_CHOICE, 0, 0, set_option_status_justify_list },
83 	{ "status-keys", SET_OPTION_CHOICE, 0, 0, set_option_status_keys_list },
84 	{ "status-left", SET_OPTION_STRING, 0, 0, NULL },
85 	{ "status-left-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
86 	{ "status-left-bg", SET_OPTION_COLOUR, 0, 0, NULL },
87 	{ "status-left-fg", SET_OPTION_COLOUR, 0, 0, NULL },
88 	{ "status-left-length", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },
89 	{ "status-right", SET_OPTION_STRING, 0, 0, NULL },
90 	{ "status-right-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL },
91 	{ "status-right-bg", SET_OPTION_COLOUR, 0, 0, NULL },
92 	{ "status-right-fg", SET_OPTION_COLOUR, 0, 0, NULL },
93 	{ "status-right-length", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL },
94 	{ "status-utf8", SET_OPTION_FLAG, 0, 0, NULL },
95 	{ "terminal-overrides", SET_OPTION_STRING, 0, 0, NULL },
96 	{ "update-environment", SET_OPTION_STRING, 0, 0, NULL },
97 	{ "visual-activity", SET_OPTION_FLAG, 0, 0, NULL },
98 	{ "visual-bell", SET_OPTION_FLAG, 0, 0, NULL },
99 	{ "visual-content", SET_OPTION_FLAG, 0, 0, NULL },
100 	{ NULL, 0, 0, 0, NULL }
101 };
102 
103 int
104 cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
105 {
106 	struct cmd_target_data		*data = self->data;
107 	struct session			*s;
108 	struct client			*c;
109 	struct options			*oo;
110 	const struct set_option_entry   *entry, *opt;
111 	u_int				 i;
112 
113 	if (data->chflags & CMD_CHFLAG('g'))
114 		oo = &global_s_options;
115 	else {
116 		if ((s = cmd_find_session(ctx, data->target)) == NULL)
117 			return (-1);
118 		oo = &s->options;
119 	}
120 
121 	if (*data->arg == '\0') {
122 		ctx->error(ctx, "invalid option");
123 		return (-1);
124 	}
125 
126 	entry = NULL;
127 	for (opt = set_option_table; opt->name != NULL; opt++) {
128 		if (strncmp(opt->name, data->arg, strlen(data->arg)) != 0)
129 			continue;
130 		if (entry != NULL) {
131 			ctx->error(ctx, "ambiguous option: %s", data->arg);
132 			return (-1);
133 		}
134 		entry = opt;
135 
136 		/* Bail now if an exact match. */
137 		if (strcmp(entry->name, data->arg) == 0)
138 			break;
139 	}
140 	if (entry == NULL) {
141 		ctx->error(ctx, "unknown option: %s", data->arg);
142 		return (-1);
143 	}
144 
145 	if (data->chflags & CMD_CHFLAG('u')) {
146 		if (data->chflags & CMD_CHFLAG('g')) {
147 			ctx->error(ctx,
148 			    "can't unset global option: %s", entry->name);
149 			return (-1);
150 		}
151 		if (data->arg2 != NULL) {
152 			ctx->error(ctx,
153 			    "value passed to unset option: %s", entry->name);
154 			return (-1);
155 		}
156 
157 		options_remove(oo, entry->name);
158 		ctx->info(ctx, "unset option: %s", entry->name);
159 	} else {
160 		switch (entry->type) {
161 		case SET_OPTION_STRING:
162 			set_option_string(ctx, oo, entry,
163 			    data->arg2, data->chflags & CMD_CHFLAG('a'));
164 			break;
165 		case SET_OPTION_NUMBER:
166 			set_option_number(ctx, oo, entry, data->arg2);
167 			break;
168 		case SET_OPTION_KEYS:
169 			set_option_keys(ctx, oo, entry, data->arg2);
170 			break;
171 		case SET_OPTION_COLOUR:
172 			set_option_colour(ctx, oo, entry, data->arg2);
173 			break;
174 		case SET_OPTION_ATTRIBUTES:
175 			set_option_attributes(ctx, oo, entry, data->arg2);
176 			break;
177 		case SET_OPTION_FLAG:
178 			set_option_flag(ctx, oo, entry, data->arg2);
179 			break;
180 		case SET_OPTION_CHOICE:
181 			set_option_choice(ctx, oo, entry, data->arg2);
182 			break;
183 		}
184 	}
185 
186 	recalculate_sizes();
187 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
188 		c = ARRAY_ITEM(&clients, i);
189 		if (c != NULL && c->session != NULL) {
190 			job_tree_free(&c->status_jobs);
191 			job_tree_init(&c->status_jobs);
192 			server_redraw_client(c);
193 		}
194 	}
195 
196 	return (0);
197 }
198