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Annotation of src/usr.bin/tmux/cmd-bind-key.c, Revision 1.46

1.46    ! nicm        1: /* $OpenBSD: cmd-bind-key.c,v 1.45 2021/08/25 09:18:08 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:
1.13      nicm       21: #include <stdlib.h>
1.5       nicm       22: #include <string.h>
                     23:
1.1       nicm       24: #include "tmux.h"
                     25:
                     26: /*
1.32      nicm       27:  * Bind a key to a command.
1.1       nicm       28:  */
                     29:
1.44      nicm       30: static enum args_parse_type    cmd_bind_key_args_parse(struct args *, u_int,
                     31:                                    char **);
                     32: static enum cmd_retval         cmd_bind_key_exec(struct cmd *,
                     33:                                    struct cmdq_item *);
1.1       nicm       34:
                     35: const struct cmd_entry cmd_bind_key_entry = {
1.24      nicm       36:        .name = "bind-key",
                     37:        .alias = "bind",
                     38:
1.44      nicm       39:        .args = { "nrN:T:", 1, -1, cmd_bind_key_args_parse },
1.36      nicm       40:        .usage = "[-nr] [-T key-table] [-N note] key "
1.38      nicm       41:                 "[command [arguments]]",
1.24      nicm       42:
1.30      nicm       43:        .flags = CMD_AFTERHOOK,
1.24      nicm       44:        .exec = cmd_bind_key_exec
1.1       nicm       45: };
1.44      nicm       46:
                     47: static enum args_parse_type
1.45      nicm       48: cmd_bind_key_args_parse(__unused struct args *args, __unused u_int idx,
1.44      nicm       49:     __unused char **cause)
                     50: {
1.45      nicm       51:        return (ARGS_PARSE_COMMANDS_OR_STRING);
1.44      nicm       52: }
1.1       nicm       53:
1.27      nicm       54: static enum cmd_retval
1.31      nicm       55: cmd_bind_key_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm       56: {
1.37      nicm       57:        struct args              *args = cmd_get_args(self);
1.34      nicm       58:        key_code                  key;
1.38      nicm       59:        const char               *tablename, *note = args_get(args, 'N');
1.34      nicm       60:        struct cmd_parse_result  *pr;
1.46    ! nicm       61:        int                       repeat;
1.42      nicm       62:        struct args_value        *value;
1.39      nicm       63:        u_int                     count = args_count(args);
1.17      nicm       64:
1.39      nicm       65:        key = key_string_lookup_string(args_string(args, 0));
1.23      nicm       66:        if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
1.39      nicm       67:                cmdq_error(item, "unknown key: %s", args_string(args, 0));
1.14      nicm       68:                return (CMD_RETURN_ERROR);
1.10      nicm       69:        }
1.1       nicm       70:
1.21      nicm       71:        if (args_has(args, 'T'))
                     72:                tablename = args_get(args, 'T');
                     73:        else if (args_has(args, 'n'))
                     74:                tablename = "root";
                     75:        else
                     76:                tablename = "prefix";
1.35      nicm       77:        repeat = args_has(args, 'r');
1.21      nicm       78:
1.42      nicm       79:        if (count == 1) {
1.38      nicm       80:                key_bindings_add(tablename, key, note, repeat, NULL);
1.42      nicm       81:                return (CMD_RETURN_NORMAL);
                     82:        }
                     83:
                     84:        value = args_value(args, 1);
                     85:        if (count == 2 && value->type == ARGS_COMMANDS) {
                     86:                key_bindings_add(tablename, key, note, repeat, value->cmdlist);
1.43      nicm       87:                value->cmdlist->references++;
1.42      nicm       88:                return (CMD_RETURN_NORMAL);
                     89:        }
                     90:
                     91:        if (count == 2)
                     92:                pr = cmd_parse_from_string(args_string(args, 1), NULL);
                     93:        else {
1.46    ! nicm       94:                pr = cmd_parse_from_arguments(args_values(args) + 1, count - 1,
        !            95:                    NULL);
1.42      nicm       96:        }
                     97:        switch (pr->status) {
                     98:        case CMD_PARSE_ERROR:
                     99:                cmdq_error(item, "%s", pr->error);
                    100:                free(pr->error);
                    101:                return (CMD_RETURN_ERROR);
                    102:        case CMD_PARSE_SUCCESS:
                    103:                break;
                    104:        }
                    105:        key_bindings_add(tablename, key, note, repeat, pr->cmdlist);
1.14      nicm      106:        return (CMD_RETURN_NORMAL);
1.1       nicm      107: }