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/* $Id: cmd-bind-key.c,v 1.17 2008-12-10 20:25:41 nicm Exp $ */
/*
* 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"
/*
* Bind a key to a command, this recurses through cmd_*.
*/
int cmd_bind_key_parse(struct cmd *, int, char **, char **);
void cmd_bind_key_exec(struct cmd *, struct cmd_ctx *);
void cmd_bind_key_send(struct cmd *, struct buffer *);
void cmd_bind_key_recv(struct cmd *, struct buffer *);
void cmd_bind_key_free(struct cmd *);
void cmd_bind_key_print(struct cmd *, char *, size_t);
struct cmd_bind_key_data {
int key;
struct cmd *cmd;
};
const struct cmd_entry cmd_bind_key_entry = {
"bind-key", "bind",
"key command [arguments]",
0,
NULL,
cmd_bind_key_parse,
cmd_bind_key_exec,
cmd_bind_key_send,
cmd_bind_key_recv,
cmd_bind_key_free,
cmd_bind_key_print
};
int
cmd_bind_key_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_bind_key_data *data;
int opt;
self->data = data = xmalloc(sizeof *data);
data->cmd = NULL;
while ((opt = getopt(argc, argv, "")) != -1) {
switch (opt) {
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (argc < 1)
goto usage;
if ((data->key = key_string_lookup_string(argv[0])) == KEYC_NONE) {
xasprintf(cause, "unknown key: %s", argv[0]);
goto error;
}
argc--;
argv++;
if ((data->cmd = cmd_parse(argc, argv, cause)) == NULL)
goto error;
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
error:
self->entry->free(self);
return (-1);
}
void
cmd_bind_key_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_bind_key_data *data = self->data;
if (data == NULL)
return;
key_bindings_add(data->key, data->cmd);
data->cmd = NULL; /* avoid free */
if (ctx->cmdclient != NULL)
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
}
void
cmd_bind_key_send(struct cmd *self, struct buffer *b)
{
struct cmd_bind_key_data *data = self->data;
buffer_write(b, data, sizeof *data);
cmd_send(data->cmd, b);
}
void
cmd_bind_key_recv(struct cmd *self, struct buffer *b)
{
struct cmd_bind_key_data *data;
self->data = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->cmd = cmd_recv(b);
}
void
cmd_bind_key_free(struct cmd *self)
{
struct cmd_bind_key_data *data = self->data;
if (data->cmd != NULL)
cmd_free(data->cmd);
xfree(data);
}
void
cmd_bind_key_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_bind_key_data *data = self->data;
size_t off = 0;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return;
if (off < len) {
off += xsnprintf(buf + off,
len - off, " %s", key_string_lookup_key(data->key));
}
if (off < len && data->cmd != NULL) {
off += xsnprintf(buf + off, len - off, " ");
data->cmd->entry->print(data->cmd, buf + off, len - off);
}
}
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