1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2009 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 two panes.
27 */
28
29static enum cmd_retval cmd_swap_pane_exec(struct cmd *, struct cmdq_item *);
30
31const struct cmd_entry cmd_swap_pane_entry = {
32 .name = "swap-pane",
33 .alias = "swapp",
34
35 .args = { "dDs:t:UZ", 0, 0 },
36 .usage = "[-dDUZ] " CMD_SRCDST_PANE_USAGE,
37
38 .source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
39 .target = { 't', CMD_FIND_PANE, 0 },
40
41 .flags = 0,
42 .exec = cmd_swap_pane_exec
43};
44
45static enum cmd_retval
46cmd_swap_pane_exec(struct cmd *self, struct cmdq_item *item)
47{
48 struct args *args = self->args;
49 struct window *src_w, *dst_w;
50 struct window_pane *tmp_wp, *src_wp, *dst_wp;
51 struct layout_cell *src_lc, *dst_lc;
52 u_int sx, sy, xoff, yoff;
53
54 dst_w = item->target.wl->window;
55 dst_wp = item->target.wp;
56 src_w = item->source.wl->window;
57 src_wp = item->source.wp;
58
59 if (window_push_zoom(dst_w, args_has(args, 'Z')))
60 server_redraw_window(dst_w);
61
62 if (args_has(args, 'D')) {
63 src_w = dst_w;
64 src_wp = TAILQ_NEXT(dst_wp, entry);
65 if (src_wp == NULL)
66 src_wp = TAILQ_FIRST(&dst_w->panes);
67 } else if (args_has(args, 'U')) {
68 src_w = dst_w;
69 src_wp = TAILQ_PREV(dst_wp, window_panes, entry);
70 if (src_wp == NULL)
71 src_wp = TAILQ_LAST(&dst_w->panes, window_panes);
72 }
73
74 if (src_w != dst_w && window_push_zoom(src_w, args_has(args, 'Z')))
75 server_redraw_window(src_w);
76
77 if (src_wp == dst_wp)
78 goto out;
79
80 tmp_wp = TAILQ_PREV(dst_wp, window_panes, entry);
81 TAILQ_REMOVE(&dst_w->panes, dst_wp, entry);
82 TAILQ_REPLACE(&src_w->panes, src_wp, dst_wp, entry);
83 if (tmp_wp == src_wp)
84 tmp_wp = dst_wp;
85 if (tmp_wp == NULL)
86 TAILQ_INSERT_HEAD(&dst_w->panes, src_wp, entry);
87 else
88 TAILQ_INSERT_AFTER(&dst_w->panes, tmp_wp, src_wp, entry);
89
90 src_lc = src_wp->layout_cell;
91 dst_lc = dst_wp->layout_cell;
92 src_lc->wp = dst_wp;
93 dst_wp->layout_cell = src_lc;
94 dst_lc->wp = src_wp;
95 src_wp->layout_cell = dst_lc;
96
97 src_wp->window = dst_w;
98 options_set_parent(src_wp->options, dst_w->options);
99 src_wp->flags |= PANE_STYLECHANGED;
100 dst_wp->window = src_w;
101 options_set_parent(dst_wp->options, src_w->options);
102 dst_wp->flags |= PANE_STYLECHANGED;
103
104 sx = src_wp->sx; sy = src_wp->sy;
105 xoff = src_wp->xoff; yoff = src_wp->yoff;
106 src_wp->xoff = dst_wp->xoff; src_wp->yoff = dst_wp->yoff;
107 window_pane_resize(src_wp, dst_wp->sx, dst_wp->sy);
108 dst_wp->xoff = xoff; dst_wp->yoff = yoff;
109 window_pane_resize(dst_wp, sx, sy);
110
111 if (!args_has(args, 'd')) {
112 if (src_w != dst_w) {
113 window_set_active_pane(src_w, dst_wp, 1);
114 window_set_active_pane(dst_w, src_wp, 1);
115 } else {
116 tmp_wp = dst_wp;
117 window_set_active_pane(src_w, tmp_wp, 1);
118 }
119 } else {
120 if (src_w->active == src_wp)
121 window_set_active_pane(src_w, dst_wp, 1);
122 if (dst_w->active == dst_wp)
123 window_set_active_pane(dst_w, src_wp, 1);
124 }
125 if (src_w != dst_w) {
126 if (src_w->last == src_wp)
127 src_w->last = NULL;
128 if (dst_w->last == dst_wp)
129 dst_w->last = NULL;
130 }
131 server_redraw_window(src_w);
132 server_redraw_window(dst_w);
133
134out:
135 if (window_pop_zoom(src_w))
136 server_redraw_window(src_w);
137 if (src_w != dst_w && window_pop_zoom(dst_w))
138 server_redraw_window(dst_w);
139 return (CMD_RETURN_NORMAL);
140}
141