xref: /openbsd-src/usr.bin/tmux/cmd-bind-key.c (revision a6afde387ed71343a64370201f8bd06beab93473)
1 /* $OpenBSD: cmd-bind-key.c,v 1.33 2019/05/25 07:18:20 nicm Exp $ */
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 #include <string.h>
23 
24 #include "tmux.h"
25 
26 /*
27  * Bind a key to a command.
28  */
29 
30 static enum cmd_retval	cmd_bind_key_exec(struct cmd *, struct cmdq_item *);
31 
32 const struct cmd_entry cmd_bind_key_entry = {
33 	.name = "bind-key",
34 	.alias = "bind",
35 
36 	.args = { "cnrT:", 2, -1 },
37 	.usage = "[-cnr] [-T key-table] key "
38 	         "command [arguments]",
39 
40 	.flags = CMD_AFTERHOOK,
41 	.exec = cmd_bind_key_exec
42 };
43 
44 static enum cmd_retval
45 cmd_bind_key_exec(struct cmd *self, struct cmdq_item *item)
46 {
47 	struct args		*args = self->args;
48 	key_code		 key;
49 	const char		*tablename;
50 	struct cmd_parse_result	*pr;
51 
52 	key = key_string_lookup_string(args->argv[0]);
53 	if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
54 		cmdq_error(item, "unknown key: %s", args->argv[0]);
55 		return (CMD_RETURN_ERROR);
56 	}
57 
58 	if (args_has(args, 'T'))
59 		tablename = args_get(args, 'T');
60 	else if (args_has(args, 'n'))
61 		tablename = "root";
62 	else
63 		tablename = "prefix";
64 
65 	pr = cmd_parse_from_arguments(args->argc - 1, args->argv + 1, NULL);
66 	switch (pr->status) {
67 	case CMD_PARSE_EMPTY:
68 		cmdq_error(item, "empty command");
69 		return (CMD_RETURN_ERROR);
70 	case CMD_PARSE_ERROR:
71 		cmdq_error(item, "%s", pr->error);
72 		free(pr->error);
73 		return (CMD_RETURN_ERROR);
74 	case CMD_PARSE_SUCCESS:
75 		break;
76 	}
77 	key_bindings_add(tablename, key, args_has(args, 'r'), pr->cmdlist);
78 	return (CMD_RETURN_NORMAL);
79 }
80