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Annotation of src/usr.bin/tmux/cmd-unbind-key.c, Revision 1.31

1.31    ! nicm        1: /* $OpenBSD: cmd-unbind-key.c,v 1.30 2017/01/24 21:50:22 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.25      nicm        4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1       nicm        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:
1.14      nicm       21: #include <stdlib.h>
                     22:
1.1       nicm       23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * Unbind key from command.
                     27:  */
                     28:
1.29      nicm       29: static enum cmd_retval cmd_unbind_key_exec(struct cmd *, struct cmdq_item *);
                     30:
1.1       nicm       31: const struct cmd_entry cmd_unbind_key_entry = {
1.24      nicm       32:        .name = "unbind-key",
                     33:        .alias = "unbind",
                     34:
1.30      nicm       35:        .args = { "anT:", 0, 1 },
                     36:        .usage = "[-an] [-T key-table] key",
1.24      nicm       37:
1.28      nicm       38:        .flags = CMD_AFTERHOOK,
1.24      nicm       39:        .exec = cmd_unbind_key_exec
1.1       nicm       40: };
                     41:
1.26      nicm       42: static enum cmd_retval
1.29      nicm       43: cmd_unbind_key_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm       44: {
1.31    ! nicm       45:        struct args     *args = cmd_get_args(self);
1.22      nicm       46:        key_code         key;
1.21      nicm       47:        const char      *tablename;
1.1       nicm       48:
1.13      nicm       49:        if (!args_has(args, 'a')) {
1.17      nicm       50:                if (args->argc != 1) {
1.29      nicm       51:                        cmdq_error(item, "missing key");
1.17      nicm       52:                        return (CMD_RETURN_ERROR);
                     53:                }
1.13      nicm       54:                key = key_string_lookup_string(args->argv[0]);
1.23      nicm       55:                if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
1.29      nicm       56:                        cmdq_error(item, "unknown key: %s", args->argv[0]);
1.15      nicm       57:                        return (CMD_RETURN_ERROR);
1.13      nicm       58:                }
1.17      nicm       59:        } else {
                     60:                if (args->argc != 0) {
1.29      nicm       61:                        cmdq_error(item, "key given with -a");
1.17      nicm       62:                        return (CMD_RETURN_ERROR);
                     63:                }
1.23      nicm       64:                key = KEYC_UNKNOWN;
1.17      nicm       65:        }
1.13      nicm       66:
1.23      nicm       67:        if (key == KEYC_UNKNOWN) {
1.21      nicm       68:                tablename = args_get(args, 'T');
                     69:                if (tablename == NULL) {
                     70:                        key_bindings_remove_table("root");
                     71:                        key_bindings_remove_table("prefix");
                     72:                        return (CMD_RETURN_NORMAL);
1.8       nicm       73:                }
1.21      nicm       74:                if (key_bindings_get_table(tablename, 0) == NULL) {
1.29      nicm       75:                        cmdq_error(item, "table %s doesn't exist", tablename);
1.21      nicm       76:                        return (CMD_RETURN_ERROR);
                     77:                }
                     78:                key_bindings_remove_table(tablename);
1.15      nicm       79:                return (CMD_RETURN_NORMAL);
1.9       nicm       80:        }
1.1       nicm       81:
1.21      nicm       82:        if (args_has(args, 'T')) {
                     83:                tablename = args_get(args, 'T');
                     84:                if (key_bindings_get_table(tablename, 0) == NULL) {
1.29      nicm       85:                        cmdq_error(item, "table %s doesn't exist", tablename);
1.21      nicm       86:                        return (CMD_RETURN_ERROR);
                     87:                }
                     88:        } else if (args_has(args, 'n'))
                     89:                tablename = "root";
                     90:        else
                     91:                tablename = "prefix";
                     92:        key_bindings_remove(tablename, key);
1.15      nicm       93:        return (CMD_RETURN_NORMAL);
1.1       nicm       94: }