xref: /openbsd-src/usr.bin/tmux/cmd-swap-window.c (revision 0b7734b3d77bb9b21afec6f4621cae6c805dbd45)
1 /* $OpenBSD: cmd-swap-window.c,v 1.16 2016/01/19 15:59:12 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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 enum cmd_retval	cmd_swap_window_exec(struct cmd *, struct cmd_q *);
30 
31 const struct cmd_entry cmd_swap_window_entry = {
32 	.name = "swap-window",
33 	.alias = "swapw",
34 
35 	.args = { "ds:t:", 0, 0 },
36 	.usage = "[-d] " CMD_SRCDST_WINDOW_USAGE,
37 
38 	.sflag = CMD_WINDOW_MARKED,
39 	.tflag = CMD_WINDOW,
40 
41 	.flags = 0,
42 	.exec = cmd_swap_window_exec
43 };
44 
45 enum cmd_retval
46 cmd_swap_window_exec(struct cmd *self, struct cmd_q *cmdq)
47 {
48 	struct session		*src, *dst;
49 	struct session_group	*sg_src, *sg_dst;
50 	struct winlink		*wl_src, *wl_dst;
51 	struct window		*w;
52 
53 	wl_src = cmdq->state.sflag.wl;
54 	src = cmdq->state.sflag.s;
55 	sg_src = session_group_find(src);
56 
57 	wl_dst = cmdq->state.tflag.wl;
58 	dst = cmdq->state.tflag.s;
59 	sg_dst = session_group_find(dst);
60 
61 	if (src != dst && sg_src != NULL && sg_dst != NULL &&
62 	    sg_src == sg_dst) {
63 		cmdq_error(cmdq, "can't move window, sessions are grouped");
64 		return (CMD_RETURN_ERROR);
65 	}
66 
67 	if (wl_dst->window == wl_src->window)
68 		return (CMD_RETURN_NORMAL);
69 
70 	w = wl_dst->window;
71 	wl_dst->window = wl_src->window;
72 	wl_src->window = w;
73 
74 	if (!args_has(self->args, 'd')) {
75 		session_select(dst, wl_dst->idx);
76 		if (src != dst)
77 			session_select(src, wl_src->idx);
78 	}
79 	session_group_synchronize_from(src);
80 	server_redraw_session_group(src);
81 	if (src != dst) {
82 		session_group_synchronize_from(dst);
83 		server_redraw_session_group(dst);
84 	}
85 	recalculate_sizes();
86 
87 	return (CMD_RETURN_NORMAL);
88 }
89