/* $OpenBSD: cmd-unbind-key.c,v 1.34 2021/08/21 10:22:39 nicm Exp $ */

/*
 * 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 "tmux.h"

/*
 * Unbind key from command.
 */

static enum cmd_retval  cmd_unbind_key_exec(struct cmd *, struct cmdq_item *);

const struct cmd_entry cmd_unbind_key_entry = {
        .name = "unbind-key",
        .alias = "unbind",

        .args = { "anqT:", 0, 1, NULL },
        .usage = "[-anq] [-T key-table] key",

        .flags = CMD_AFTERHOOK,
        .exec = cmd_unbind_key_exec
};

static enum cmd_retval
cmd_unbind_key_exec(struct cmd *self, struct cmdq_item *item)
{
        struct args     *args = cmd_get_args(self);
        key_code         key;
        const char      *tablename, *keystr = args_string(args, 0);
        int              quiet = args_has(args, 'q');

        if (args_has(args, 'a')) {
                if (keystr != NULL) {
                        if (!quiet)
                                cmdq_error(item, "key given with -a");
                        return (CMD_RETURN_ERROR);
                }

                tablename = args_get(args, 'T');
                if (tablename == NULL) {
                        if (args_has(args, 'n'))
                                tablename = "root";
                        else
                                tablename = "prefix";
                }
                if (key_bindings_get_table(tablename, 0) == NULL) {
                        if (!quiet) {
                                cmdq_error(item, "table %s doesn't exist" ,
                                    tablename);
                        }
                        return (CMD_RETURN_ERROR);
                }

                key_bindings_remove_table(tablename);
                return (CMD_RETURN_NORMAL);
        }

        if (keystr == NULL) {
                if (!quiet)
                        cmdq_error(item, "missing key");
                return (CMD_RETURN_ERROR);
        }

        key = key_string_lookup_string(keystr);
        if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
                if (!quiet)
                        cmdq_error(item, "unknown key: %s", keystr);
                return (CMD_RETURN_ERROR);
        }

        if (args_has(args, 'T')) {
                tablename = args_get(args, 'T');
                if (key_bindings_get_table(tablename, 0) == NULL) {
                        if (!quiet) {
                                cmdq_error(item, "table %s doesn't exist" ,
                                    tablename);
                        }
                        return (CMD_RETURN_ERROR);
                }
        } else if (args_has(args, 'n'))
                tablename = "root";
        else
                tablename = "prefix";
        key_bindings_remove(tablename, key);
        return (CMD_RETURN_NORMAL);
}