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Annotation of embedaddon/tmux/cmd-unbind-key.c, revision 1.1.1.1

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