xref: /openbsd/usr.bin/tmux/cmd-swap-window.c (revision 3d8817e4)
1 /* $OpenBSD: cmd-swap-window.c,v 1.6 2011/01/04 00:42:47 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 	"ds:t:", 0, 0,
34 	"[-d] " CMD_SRCDST_WINDOW_USAGE,
35 	0,
36 	NULL,
37 	NULL,
38 	cmd_swap_window_exec
39 };
40 
41 int
42 cmd_swap_window_exec(struct cmd *self, struct cmd_ctx *ctx)
43 {
44 	struct args		*args = self->args;
45 	const char		*target_src, *target_dst;
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 	target_src = args_get(args, 's');
52 	if ((wl_src = cmd_find_window(ctx, target_src, &src)) == NULL)
53 		return (-1);
54 	target_dst = args_get(args, 't');
55 	if ((wl_dst = cmd_find_window(ctx, target_dst, &dst)) == NULL)
56 		return (-1);
57 
58 	sg_src = session_group_find(src);
59 	sg_dst = session_group_find(dst);
60 	if (src != dst &&
61 	    sg_src != NULL && sg_dst != NULL && sg_src == sg_dst) {
62 		ctx->error(ctx, "can't move window, sessions are grouped");
63 		return (-1);
64 	}
65 
66 	if (wl_dst->window == wl_src->window)
67 		return (0);
68 
69 	w = wl_dst->window;
70 	wl_dst->window = wl_src->window;
71 	wl_src->window = w;
72 
73 	if (!args_has(self->args, 'd')) {
74 		session_select(dst, wl_dst->idx);
75 		if (src != dst)
76 			session_select(src, wl_src->idx);
77 	}
78 	session_group_synchronize_from(src);
79 	server_redraw_session_group(src);
80 	if (src != dst) {
81 		session_group_synchronize_from(dst);
82 		server_redraw_session_group(dst);
83 	}
84 	recalculate_sizes();
85 
86 	return (0);
87 }
88