tmux/cmd-bind-key.c

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/* $OpenBSD$ */
/*
* 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 = { "cnrR:t:T:", 1, -1 },
.usage = "[-cnr] [-t mode-table] [-R repeat-count] [-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, *arg;
const struct mode_key_table *mtab;
struct mode_key_binding *mbind, mtmp;
enum mode_key_cmd cmd;
char *cause;
u_int repeat;
tablename = args_get(args, 't');
if ((mtab = mode_key_findtable(tablename)) == NULL) {
cmdq_error(cmdq, "unknown key table: %s", tablename);
return (CMD_RETURN_ERROR);
}
2011-01-15 20:14:41 +00:00
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;
}
repeat = 1;
if (args_has(args, 'R')) {
repeat = args_strtonum(args, 'R', 1, SHRT_MAX, &cause);
if (cause != NULL) {
cmdq_error(cmdq, "repeat count %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
}
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->repeat = repeat;
mbind->cmd = cmd;
mbind->arg = arg != NULL ? xstrdup(arg) : NULL;
return (CMD_RETURN_NORMAL);
}