tmux/cmd-unbind-key.c

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/* $OpenBSD$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* 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 "tmux.h"
/*
* Unbind key from command.
*/
int cmd_unbind_key_parse(struct cmd *, int, char **, char **);
int cmd_unbind_key_exec(struct cmd *, struct cmd_ctx *);
void cmd_unbind_key_free(struct cmd *);
int cmd_unbind_key_table(struct cmd *, struct cmd_ctx *);
struct cmd_unbind_key_data {
int key;
int flag_all;
int command_key;
char *tablename;
};
const struct cmd_entry cmd_unbind_key_entry = {
"unbind-key", "unbind",
"[-acn] [-t key-table] key",
0, "",
NULL,
cmd_unbind_key_parse,
cmd_unbind_key_exec,
cmd_unbind_key_free,
NULL
};
int
cmd_unbind_key_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_unbind_key_data *data;
int opt, no_prefix = 0;
self->data = data = xmalloc(sizeof *data);
data->flag_all = 0;
data->command_key = 0;
data->tablename = NULL;
while ((opt = getopt(argc, argv, "acnt:")) != -1) {
switch (opt) {
case 'a':
data->flag_all = 1;
break;
case 'c':
data->command_key = 1;
break;
case 'n':
no_prefix = 1;
break;
case 't':
if (data->tablename == NULL)
data->tablename = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (data->flag_all && (argc != 0 || data->tablename))
goto usage;
if (!data->flag_all && argc != 1)
goto usage;
if (!data->flag_all) {
data->key = key_string_lookup_string(argv[0]);
if (data->key == KEYC_NONE) {
xasprintf(cause, "unknown key: %s", argv[0]);
goto error;
}
if (!no_prefix)
data->key |= KEYC_PREFIX;
}
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
error:
xfree(data);
return (-1);
}
int
cmd_unbind_key_exec(struct cmd *self, unused struct cmd_ctx *ctx)
{
struct cmd_unbind_key_data *data = self->data;
struct key_binding *bd;
if (data == NULL)
return (0);
if (data->flag_all) {
while (!SPLAY_EMPTY(&key_bindings)) {
bd = SPLAY_ROOT(&key_bindings);
SPLAY_REMOVE(key_bindings, &key_bindings, bd);
cmd_list_free(bd->cmdlist);
xfree(bd);
}
} else {
if (data->tablename != NULL)
return (cmd_unbind_key_table(self, ctx));
key_bindings_remove(data->key);
}
return (0);
}
int
cmd_unbind_key_table(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_unbind_key_data *data = self->data;
const struct mode_key_table *mtab;
struct mode_key_binding *mbind, mtmp;
if ((mtab = mode_key_findtable(data->tablename)) == NULL) {
ctx->error(ctx, "unknown key table: %s", data->tablename);
return (-1);
}
mtmp.key = data->key & ~KEYC_PREFIX;
mtmp.mode = data->command_key ? 1 : 0;
if ((mbind = SPLAY_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
SPLAY_REMOVE(mode_key_tree, mtab->tree, mbind);
xfree(mbind);
}
return (0);
}
void
cmd_unbind_key_free(struct cmd *self)
{
struct cmd_unbind_key_data *data = self->data;
if (data->tablename != NULL)
xfree(data->tablename);
xfree(data);
}