1/* $Id: cmd-unlink-window.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
2
3/*
4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19#include <sys/types.h>
20
21#include "tmux.h"
22
23/*
24 * Unlink a window, unless it would be destroyed by doing so (only one link).
25 */
26
27int	cmd_unlink_window_exec(struct cmd *, struct cmd_ctx *);
28
29const struct cmd_entry cmd_unlink_window_entry = {
30	"unlink-window", "unlinkw",
31	"kt:", 0, 0,
32	"[-k] " CMD_TARGET_WINDOW_USAGE,
33	0,
34	NULL,
35	NULL,
36	cmd_unlink_window_exec
37};
38
39int
40cmd_unlink_window_exec(struct cmd *self, struct cmd_ctx *ctx)
41{
42	struct args		*args = self->args;
43	struct winlink		*wl;
44	struct window		*w;
45	struct session		*s, *s2;
46	struct session_group	*sg;
47	u_int			 references;
48
49	if ((wl = cmd_find_window(ctx, args_get(args, 't'), &s)) == NULL)
50		return (-1);
51	w = wl->window;
52
53	sg = session_group_find(s);
54	if (sg != NULL) {
55		references = 0;
56		TAILQ_FOREACH(s2, &sg->sessions, gentry)
57			references++;
58	} else
59		references = 1;
60
61	if (!args_has(self->args, 'k') && w->references == references) {
62		ctx->error(ctx, "window is only linked to one session");
63		return (-1);
64	}
65
66	server_unlink_window(s, wl);
67	recalculate_sizes();
68
69	return (0);
70}
71