tmux/cmd-unlink-window.c

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/* $Id: cmd-unlink-window.c,v 1.1 2007-10-26 16:57:32 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 <getopt.h>
#include <stdlib.h>
#include "tmux.h"
/*
* Unlink a window, unless it would be destroyed by doing so (only one link).
*/
int cmd_unlink_window_parse(void **, int, char **, char **);
void cmd_unlink_window_exec(void *, struct cmd_ctx *);
void cmd_unlink_window_send(void *, struct buffer *);
void cmd_unlink_window_recv(void **, struct buffer *);
void cmd_unlink_window_free(void *);
struct cmd_unlink_window_data {
int idx;
};
const struct cmd_entry cmd_unlink_window_entry = {
"unlink-window", "unlinkw", "[-i index",
0,
cmd_unlink_window_parse,
cmd_unlink_window_exec,
cmd_unlink_window_send,
cmd_unlink_window_recv,
cmd_unlink_window_free
};
int
cmd_unlink_window_parse(void **ptr, int argc, char **argv, char **cause)
{
struct cmd_unlink_window_data *data;
const char *errstr;
int opt;
*ptr = data = xmalloc(sizeof *data);
data->idx = -1;
while ((opt = getopt(argc, argv, "i:")) != EOF) {
switch (opt) {
case 'i':
data->idx = strtonum(optarg, 0, INT_MAX, &errstr);
if (errstr != NULL) {
xasprintf(cause, "index %s", errstr);
goto error;
}
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (argc != 0)
goto usage;
return (0);
usage:
usage(cause, "%s %s",
cmd_unlink_window_entry.name, cmd_unlink_window_entry.usage);
error:
cmd_unlink_window_free(data);
return (-1);
}
void
cmd_unlink_window_exec(void *ptr, struct cmd_ctx *ctx)
{
struct cmd_unlink_window_data *data = ptr;
struct client *c = ctx->client;
struct session *s = ctx->session;
struct winlink *wl;
u_int i;
int destroyed;
if (data == NULL)
return;
if (data->idx < 0)
data->idx = -1;
if (data->idx == -1)
wl = s->curw;
else {
wl = winlink_find_by_index(&s->windows, data->idx);
if (wl == NULL) {
ctx->error(ctx, "no window %u", data->idx);
return;
}
}
if (wl->window->references == 1) {
ctx->error(ctx, "window is only linked to one session");
return;
}
destroyed = session_detach(s, wl);
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session != s)
continue;
if (destroyed) {
c->session = NULL;
server_write_client(c, MSG_EXIT, NULL, 0);
} else
server_redraw_client(c);
}
if (!(ctx->flags & CMD_KEY))
server_write_client(c, MSG_EXIT, NULL, 0);
}
void
cmd_unlink_window_send(void *ptr, struct buffer *b)
{
struct cmd_unlink_window_data *data = ptr;
buffer_write(b, data, sizeof *data);
}
void
cmd_unlink_window_recv(void **ptr, struct buffer *b)
{
struct cmd_unlink_window_data *data;
*ptr = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
}
void
cmd_unlink_window_free(void *ptr)
{
struct cmd_unlink_window_data *data = ptr;
xfree(data);
}