xref: /openbsd-src/usr.bin/tmux/cmd-swap-window.c (revision 43003dfe3ad45d1698bed8a37f2b0f5b14f20d4f)
1 /* $OpenBSD: cmd-swap-window.c,v 1.4 2009/10/10 10:02:48 nicm 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 <stdlib.h>
22 
23 #include "tmux.h"
24 
25 /*
26  * Swap one window with another.
27  */
28 
29 int	cmd_swap_window_exec(struct cmd *, struct cmd_ctx *);
30 
31 const struct cmd_entry cmd_swap_window_entry = {
32 	"swap-window", "swapw",
33 	"[-d] " CMD_SRCDST_WINDOW_USAGE,
34 	0, CMD_CHFLAG('d'),
35 	cmd_srcdst_init,
36 	cmd_srcdst_parse,
37 	cmd_swap_window_exec,
38 	cmd_srcdst_free,
39 	cmd_srcdst_print
40 };
41 
42 int
43 cmd_swap_window_exec(struct cmd *self, struct cmd_ctx *ctx)
44 {
45 	struct cmd_srcdst_data	*data = self->data;
46 	struct session		*src, *dst;
47 	struct session_group	*sg_src, *sg_dst;
48 	struct winlink		*wl_src, *wl_dst;
49 	struct window		*w;
50 
51 	if ((wl_src = cmd_find_window(ctx, data->src, &src)) == NULL)
52 		return (-1);
53 	if ((wl_dst = cmd_find_window(ctx, data->dst, &dst)) == NULL)
54 		return (-1);
55 
56 	sg_src = session_group_find(src);
57 	sg_dst = session_group_find(dst);
58 	if (src != dst &&
59 	    sg_src != NULL && sg_dst != NULL && sg_src == sg_dst) {
60 		ctx->error(ctx, "can't move window, sessions are grouped");
61 		return (-1);
62 	}
63 
64 	if (wl_dst->window == wl_src->window)
65 		return (0);
66 
67 	w = wl_dst->window;
68 	wl_dst->window = wl_src->window;
69 	wl_src->window = w;
70 
71 	if (!(data->chflags & CMD_CHFLAG('d'))) {
72 		session_select(dst, wl_dst->idx);
73 		if (src != dst)
74 			session_select(src, wl_src->idx);
75 	}
76 	session_group_synchronize_from(src);
77 	server_redraw_session_group(src);
78 	if (src != dst) {
79 		session_group_synchronize_from(dst);
80 		server_redraw_session_group(dst);
81 	}
82 	recalculate_sizes();
83 
84 	return (0);
85 }
86