tmux/cmd-select-window.c

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/* $Id: cmd-select-window.c,v 1.3 2007-10-04 22:04:01 nicm Exp $ */
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/*
* 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 <getopt.h>
#include <stdlib.h>
#include "tmux.h"
/*
* Select window by index.
*/
int cmd_select_window_parse(void **, int, char **, char **);
void cmd_select_window_exec(void *, struct cmd_ctx *);
void cmd_select_window_send(void *, struct buffer *);
void cmd_select_window_recv(void **, struct buffer *);
void cmd_select_window_free(void *);
struct cmd_select_window_data {
u_int idx;
};
const struct cmd_entry cmd_select_window_entry = {
"select-window", "selectw", "[command]",
0,
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cmd_select_window_parse,
cmd_select_window_exec,
cmd_select_window_send,
cmd_select_window_recv,
cmd_select_window_free
};
/*
* select-window requires different defaults depending on the key, so this
* fills in the right data. XXX should this be extended to them all and get
* rid of std/NULL rubbish?
*/
void
cmd_select_window_default(void **ptr, int key)
{
struct cmd_select_window_data *data;
*ptr = data = xmalloc(sizeof *data);
data->idx = key - '0';
}
int
cmd_select_window_parse(void **ptr, int argc, char **argv, char **cause)
{
struct cmd_select_window_data *data;
const char *errstr;
int opt;
*ptr = data = xmalloc(sizeof *data);
while ((opt = getopt(argc, argv, "")) != EOF) {
switch (opt) {
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (argc != 1)
goto usage;
data->idx = strtonum(argv[0], 0, UINT_MAX, &errstr);
if (errstr != NULL) {
xasprintf(cause, "index %s", errstr);
goto error;
}
return (0);
usage:
usage(cause, "%s %s",
cmd_select_window_entry.name, cmd_select_window_entry.usage);
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error:
cmd_select_window_free(data);
return (-1);
}
void
cmd_select_window_exec(void *ptr, struct cmd_ctx *ctx)
{
struct cmd_select_window_data *data = ptr;
struct client *c = ctx->client;
struct session *s = ctx->session;
if (data == NULL)
return;
if (session_select(s, data->idx) == 0)
server_redraw_session(s);
else
ctx->error(ctx, "no window %u", data->idx);
if (!(ctx->flags & CMD_KEY))
server_write_client(c, MSG_EXIT, NULL, 0);
}
void
cmd_select_window_send(void *ptr, struct buffer *b)
{
struct cmd_select_window_data *data = ptr;
buffer_write(b, data, sizeof *data);
}
void
cmd_select_window_recv(void **ptr, struct buffer *b)
{
struct cmd_select_window_data *data;
*ptr = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
}
void
cmd_select_window_free(void *ptr)
{
struct cmd_select_window_data *data = ptr;
xfree(data);
}