tmux/cmd-unbind-key.c

133 lines
3.5 KiB
C

/* $OpenBSD$ */
/*
* 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 *);
static enum cmd_retval cmd_unbind_key_mode_table(struct cmd *,
struct cmdq_item *, key_code);
const struct cmd_entry cmd_unbind_key_entry = {
.name = "unbind-key",
.alias = "unbind",
.args = { "ant:T:", 0, 1 },
.usage = "[-an] [-t mode-table] [-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 = self->args;
key_code key;
const char *tablename;
if (!args_has(args, 'a')) {
if (args->argc != 1) {
cmdq_error(item, "missing key");
return (CMD_RETURN_ERROR);
}
key = key_string_lookup_string(args->argv[0]);
if (key == KEYC_NONE || key == KEYC_UNKNOWN) {
cmdq_error(item, "unknown key: %s", args->argv[0]);
return (CMD_RETURN_ERROR);
}
} else {
if (args->argc != 0) {
cmdq_error(item, "key given with -a");
return (CMD_RETURN_ERROR);
}
key = KEYC_UNKNOWN;
}
if (args_has(args, 't'))
return (cmd_unbind_key_mode_table(self, item, key));
if (key == KEYC_UNKNOWN) {
tablename = args_get(args, 'T');
if (tablename == NULL) {
key_bindings_remove_table("root");
key_bindings_remove_table("prefix");
return (CMD_RETURN_NORMAL);
}
if (key_bindings_get_table(tablename, 0) == NULL) {
cmdq_error(item, "table %s doesn't exist", tablename);
return (CMD_RETURN_ERROR);
}
key_bindings_remove_table(tablename);
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'T')) {
tablename = args_get(args, 'T');
if (key_bindings_get_table(tablename, 0) == NULL) {
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);
}
static enum cmd_retval
cmd_unbind_key_mode_table(struct cmd *self, struct cmdq_item *item,
key_code key)
{
struct args *args = self->args;
const char *tablename;
const struct mode_key_table *mtab;
struct mode_key_binding *mbind, mtmp;
tablename = args_get(args, 't');
if ((mtab = mode_key_findtable(tablename)) == NULL) {
cmdq_error(item, "unknown key table: %s", tablename);
return (CMD_RETURN_ERROR);
}
if (key == KEYC_UNKNOWN) {
while (!RB_EMPTY(mtab->tree)) {
mbind = RB_ROOT(mtab->tree);
RB_REMOVE(mode_key_tree, mtab->tree, mbind);
free(mbind);
}
return (CMD_RETURN_NORMAL);
}
mtmp.key = key;
if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) {
RB_REMOVE(mode_key_tree, mtab->tree, mbind);
free(mbind);
}
return (CMD_RETURN_NORMAL);
}