xref: /netbsd/external/bsd/tmux/dist/cmd-unbind-key.c (revision e0fe29fb)
1 /* $OpenBSD$ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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 
23 #include "tmux.h"
24 
25 /*
26  * Unbind key from command.
27  */
28 
29 static enum cmd_retval	cmd_unbind_key_exec(struct cmd *, struct cmdq_item *);
30 
31 const struct cmd_entry cmd_unbind_key_entry = {
32 	.name = "unbind-key",
33 	.alias = "unbind",
34 
35 	.args = { "anqT:", 0, 1, NULL },
36 	.usage = "[-anq] [-T key-table] key",
37 
38 	.flags = CMD_AFTERHOOK,
39 	.exec = cmd_unbind_key_exec
40 };
41 
42 static enum cmd_retval
cmd_unbind_key_exec(struct cmd * self,struct cmdq_item * item)43 cmd_unbind_key_exec(struct cmd *self, struct cmdq_item *item)
44 {
45 	struct args	*args = cmd_get_args(self);
46 	key_code	 key;
47 	const char	*tablename, *keystr = args_string(args, 0);
48 	int		 quiet = args_has(args, 'q');
49 
50 	if (args_has(args, 'a')) {
51 		if (keystr != NULL) {
52 			if (!quiet)
53 				cmdq_error(item, "key given with -a");
54 			return (CMD_RETURN_ERROR);
55 		}
56 
57 		tablename = args_get(args, 'T');
58 		if (tablename == NULL) {
59 			if (args_has(args, 'n'))
60 				tablename = "root";
61 			else
62 				tablename = "prefix";
63 		}
64 		if (key_bindings_get_table(tablename, 0) == NULL) {
65 			if (!quiet) {
66 				cmdq_error(item, "table %s doesn't exist" ,
67 				    tablename);
68 			}
69 			return (CMD_RETURN_ERROR);
70 		}
71 
72 		key_bindings_remove_table(tablename);
73 		return (CMD_RETURN_NORMAL);
74 	}
75 
76 	if (keystr == NULL) {
77 		if (!quiet)
78 			cmdq_error(item, "missing key");
79 		return (CMD_RETURN_ERROR);
80 	}
81 
82 	key = key_string_lookup_string(keystr);
83 	if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
84 		if (!quiet)
85 			cmdq_error(item, "unknown key: %s", keystr);
86 		return (CMD_RETURN_ERROR);
87 	}
88 
89 	if (args_has(args, 'T')) {
90 		tablename = args_get(args, 'T');
91 		if (key_bindings_get_table(tablename, 0) == NULL) {
92 			if (!quiet) {
93 				cmdq_error(item, "table %s doesn't exist" ,
94 				    tablename);
95 			}
96 			return (CMD_RETURN_ERROR);
97 		}
98 	} else if (args_has(args, 'n'))
99 		tablename = "root";
100 	else
101 		tablename = "prefix";
102 	key_bindings_remove(tablename, key);
103 	return (CMD_RETURN_NORMAL);
104 }
105