1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2007 Nicholas Marriott <[email protected]>
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
29static enum cmd_retval cmd_swap_window_exec(struct cmd *, struct cmdq_item *);
30
31const 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 .source = { 's', CMD_FIND_WINDOW, CMD_FIND_DEFAULT_MARKED },
39 .target = { 't', CMD_FIND_WINDOW, 0 },
40
41 .flags = 0,
42 .exec = cmd_swap_window_exec
43};
44
45static enum cmd_retval
46cmd_swap_window_exec(struct cmd *self, struct cmdq_item *item)
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_src, *w_dst;
52
53 wl_src = item->source.wl;
54 src = item->source.s;
55 sg_src = session_group_contains(src);
56
57 wl_dst = item->target.wl;
58 dst = item->target.s;
59 sg_dst = session_group_contains(dst);
60
61 if (src != dst && sg_src != NULL && sg_dst != NULL &&
62 sg_src == sg_dst) {
63 cmdq_error(item, "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_dst = wl_dst->window;
71 TAILQ_REMOVE(&w_dst->winlinks, wl_dst, wentry);
72 w_src = wl_src->window;
73 TAILQ_REMOVE(&w_src->winlinks, wl_src, wentry);
74
75 wl_dst->window = w_src;
76 TAILQ_INSERT_TAIL(&w_src->winlinks, wl_dst, wentry);
77 wl_src->window = w_dst;
78 TAILQ_INSERT_TAIL(&w_dst->winlinks, wl_src, wentry);
79
80 if (args_has(self->args, 'd')) {
81 session_select(dst, wl_dst->idx);
82 if (src != dst)
83 session_select(src, wl_src->idx);
84 }
85 session_group_synchronize_from(src);
86 server_redraw_session_group(src);
87 if (src != dst) {
88 session_group_synchronize_from(dst);
89 server_redraw_session_group(dst);
90 }
91 recalculate_sizes();
92
93 return (CMD_RETURN_NORMAL);
94}
95