xref: /minix/external/bsd/tmux/dist/cmd-unbind-key.c (revision 0a6a1f1d)
1 /* Id */
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 
23 #include "tmux.h"
24 
25 /*
26  * Unbind key from command.
27  */
28 
29 enum cmd_retval	 cmd_unbind_key_exec(struct cmd *, struct cmd_q *);
30 enum cmd_retval	 cmd_unbind_key_table(struct cmd *, struct cmd_q *, int);
31 
32 const struct cmd_entry cmd_unbind_key_entry = {
33 	"unbind-key", "unbind",
34 	"acnt:", 0, 1,
35 	"[-acn] [-t key-table] key",
36 	0,
37 	NULL,
38 	cmd_unbind_key_exec
39 };
40 
41 enum cmd_retval
cmd_unbind_key_exec(struct cmd * self,struct cmd_q * cmdq)42 cmd_unbind_key_exec(struct cmd *self, struct cmd_q *cmdq)
43 {
44 	struct args		*args = self->args;
45 	struct key_binding	*bd;
46 	int			 key;
47 
48 	if (!args_has(args, 'a')) {
49 		if (args->argc != 1) {
50 			cmdq_error(cmdq, "missing key");
51 			return (CMD_RETURN_ERROR);
52 		}
53 		key = key_string_lookup_string(args->argv[0]);
54 		if (key == KEYC_NONE) {
55 			cmdq_error(cmdq, "unknown key: %s", args->argv[0]);
56 			return (CMD_RETURN_ERROR);
57 		}
58 	} else {
59 		if (args->argc != 0) {
60 			cmdq_error(cmdq, "key given with -a");
61 			return (CMD_RETURN_ERROR);
62 		}
63 		key = KEYC_NONE;
64 	}
65 
66 	if (args_has(args, 't'))
67 		return (cmd_unbind_key_table(self, cmdq, key));
68 
69 	if (key == KEYC_NONE) {
70 		while (!RB_EMPTY(&key_bindings)) {
71 			bd = RB_ROOT(&key_bindings);
72 			key_bindings_remove(bd->key);
73 		}
74 		return (CMD_RETURN_NORMAL);
75 	}
76 
77 	if (!args_has(args, 'n'))
78 		key |= KEYC_PREFIX;
79 	key_bindings_remove(key);
80 	return (CMD_RETURN_NORMAL);
81 }
82 
83 enum cmd_retval
cmd_unbind_key_table(struct cmd * self,struct cmd_q * cmdq,int key)84 cmd_unbind_key_table(struct cmd *self, struct cmd_q *cmdq, int key)
85 {
86 	struct args			*args = self->args;
87 	const char			*tablename;
88 	const struct mode_key_table	*mtab;
89 	struct mode_key_binding		*mbind, mtmp;
90 
91 	tablename = args_get(args, 't');
92 	if ((mtab = mode_key_findtable(tablename)) == NULL) {
93 		cmdq_error(cmdq, "unknown key table: %s", tablename);
94 		return (CMD_RETURN_ERROR);
95 	}
96 
97 	if (key == KEYC_NONE) {
98 		while (!RB_EMPTY(mtab->tree)) {
99 			mbind = RB_ROOT(mtab->tree);
100 			RB_REMOVE(mode_key_tree, mtab->tree, mbind);
101 			free(mbind);
102 		}
103 		return (CMD_RETURN_NORMAL);
104 	}
105 
106 	mtmp.key = key;
107 	mtmp.mode = !!args_has(args, 'c');
108 	if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
109 		RB_REMOVE(mode_key_tree, mtab->tree, mbind);
110 		free(mbind);
111 	}
112 	return (CMD_RETURN_NORMAL);
113 }
114