File: cmd-bind-key.c

package info (click to toggle)
tmate 2.4.0-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 2,560 kB
  • sloc: ansic: 38,233; awk: 339; makefile: 252; sh: 44; perl: 41
file content (159 lines) | stat: -rw-r--r-- 4,132 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/* $OpenBSD$ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <stdlib.h>
#include <string.h>

#include "tmux.h"

/*
 * Bind a key to a command, this recurses through cmd_*.
 */

enum cmd_retval	 cmd_bind_key_exec(struct cmd *, struct cmd_q *);

enum cmd_retval	 cmd_bind_key_mode_table(struct cmd *, struct cmd_q *,
		     key_code);

const struct cmd_entry cmd_bind_key_entry = {
	.name = "bind-key",
	.alias = "bind",

	.args = { "cnrt:T:", 1, -1 },
	.usage = "[-cnr] [-t mode-table] [-T key-table] key command "
		 "[arguments]",

	.flags = 0,
	.exec = cmd_bind_key_exec
};

enum cmd_retval
cmd_bind_key_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args	*args = self->args;
	char		*cause;
	struct cmd_list	*cmdlist;
	key_code	 key;
	const char	*tablename;

	if (args_has(args, 't')) {
		if (args->argc != 2 && args->argc != 3) {
			cmdq_error(cmdq, "not enough arguments");
			return (CMD_RETURN_ERROR);
		}
	} else {
		if (args->argc < 2) {
			cmdq_error(cmdq, "not enough arguments");
			return (CMD_RETURN_ERROR);
		}
	}

	key = key_string_lookup_string(args->argv[0]);
	if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
		cmdq_error(cmdq, "unknown key: %s", args->argv[0]);
		return (CMD_RETURN_ERROR);
	}

	if (args_has(args, 't'))
		return (cmd_bind_key_mode_table(self, cmdq, key));

	if (args_has(args, 'T'))
		tablename = args_get(args, 'T');
	else if (args_has(args, 'n'))
		tablename = "root";
	else
		tablename = "prefix";

	cmdlist = cmd_list_parse(args->argc - 1, args->argv + 1, NULL, 0,
	    &cause);
	if (cmdlist == NULL) {
		cmdq_error(cmdq, "%s", cause);
		free(cause);
		return (CMD_RETURN_ERROR);
	}

	key_bindings_add(tablename, key, args_has(args, 'r'), cmdlist);
	return (CMD_RETURN_NORMAL);
}

enum cmd_retval
cmd_bind_key_mode_table(struct cmd *self, struct cmd_q *cmdq, key_code key)
{
	struct args			*args = self->args;
	const char			*tablename;
	const struct mode_key_table	*mtab;
	struct mode_key_binding		*mbind, mtmp;
	enum mode_key_cmd		 cmd;
	const char			*arg;

	tablename = args_get(args, 't');
	if ((mtab = mode_key_findtable(tablename)) == NULL) {
		cmdq_error(cmdq, "unknown key table: %s", tablename);
		return (CMD_RETURN_ERROR);
	}

	cmd = mode_key_fromstring(mtab->cmdstr, args->argv[1]);
	if (cmd == MODEKEY_NONE) {
		cmdq_error(cmdq, "unknown command: %s", args->argv[1]);
		return (CMD_RETURN_ERROR);
	}

	switch (cmd) {
	case MODEKEYCOPY_APPENDSELECTION:
	case MODEKEYCOPY_COPYSELECTION:
	case MODEKEYCOPY_STARTNAMEDBUFFER:
		if (args->argc == 2)
			arg = NULL;
		else {
			arg = args->argv[2];
			if (strcmp(arg, "-x") != 0) {
				cmdq_error(cmdq, "unknown argument");
				return (CMD_RETURN_ERROR);
			}
		}
		break;
	case MODEKEYCOPY_COPYPIPE:
		if (args->argc != 3) {
			cmdq_error(cmdq, "no argument given");
			return (CMD_RETURN_ERROR);
		}
		arg = args->argv[2];
		break;
	default:
		if (args->argc != 2) {
			cmdq_error(cmdq, "no argument allowed");
			return (CMD_RETURN_ERROR);
		}
		arg = NULL;
		break;
	}

	mtmp.key = key;
	mtmp.mode = !!args_has(args, 'c');
	if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) == NULL) {
		mbind = xmalloc(sizeof *mbind);
		mbind->key = mtmp.key;
		mbind->mode = mtmp.mode;
		RB_INSERT(mode_key_tree, mtab->tree, mbind);
	}
	mbind->cmd = cmd;
	mbind->arg = arg != NULL ? xstrdup(arg) : NULL;
	return (CMD_RETURN_NORMAL);
}