1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2009 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 "tmux.h"
22
23/*
24 * Rotate the panes in a window.
25 */
26
27static enum cmd_retval	cmd_rotate_window_exec(struct cmd *,
28			    struct cmdq_item *);
29
30const struct cmd_entry cmd_rotate_window_entry = {
31	.name = "rotate-window",
32	.alias = "rotatew",
33
34	.args = { "Dt:UZ", 0, 0, NULL },
35	.usage = "[-DUZ] " CMD_TARGET_WINDOW_USAGE,
36
37	.target = { 't', CMD_FIND_WINDOW, 0 },
38
39	.flags = 0,
40	.exec = cmd_rotate_window_exec
41};
42
43static enum cmd_retval
44cmd_rotate_window_exec(struct cmd *self, struct cmdq_item *item)
45{
46	struct args		*args = cmd_get_args(self);
47	struct cmd_find_state	*current = cmdq_get_current(item);
48	struct cmd_find_state	*target = cmdq_get_target(item);
49	struct winlink		*wl = target->wl;
50	struct window		*w = wl->window;
51	struct window_pane	*wp, *wp2;
52	struct layout_cell	*lc;
53	u_int			 sx, sy, xoff, yoff;
54
55	window_push_zoom(w, 0, args_has(args, 'Z'));
56
57	if (args_has(args, 'D')) {
58		wp = TAILQ_LAST(&w->panes, window_panes);
59		TAILQ_REMOVE(&w->panes, wp, entry);
60		TAILQ_INSERT_HEAD(&w->panes, wp, entry);
61
62		lc = wp->layout_cell;
63		xoff = wp->xoff; yoff = wp->yoff;
64		sx = wp->sx; sy = wp->sy;
65		TAILQ_FOREACH(wp, &w->panes, entry) {
66			if ((wp2 = TAILQ_NEXT(wp, entry)) == NULL)
67				break;
68			wp->layout_cell = wp2->layout_cell;
69			if (wp->layout_cell != NULL)
70				wp->layout_cell->wp = wp;
71			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
72			window_pane_resize(wp, wp2->sx, wp2->sy);
73		}
74		wp->layout_cell = lc;
75		if (wp->layout_cell != NULL)
76			wp->layout_cell->wp = wp;
77		wp->xoff = xoff; wp->yoff = yoff;
78		window_pane_resize(wp, sx, sy);
79
80		if ((wp = TAILQ_PREV(w->active, window_panes, entry)) == NULL)
81			wp = TAILQ_LAST(&w->panes, window_panes);
82	} else {
83		wp = TAILQ_FIRST(&w->panes);
84		TAILQ_REMOVE(&w->panes, wp, entry);
85		TAILQ_INSERT_TAIL(&w->panes, wp, entry);
86
87		lc = wp->layout_cell;
88		xoff = wp->xoff; yoff = wp->yoff;
89		sx = wp->sx; sy = wp->sy;
90		TAILQ_FOREACH_REVERSE(wp, &w->panes, window_panes, entry) {
91			if ((wp2 = TAILQ_PREV(wp, window_panes, entry)) == NULL)
92				break;
93			wp->layout_cell = wp2->layout_cell;
94			if (wp->layout_cell != NULL)
95				wp->layout_cell->wp = wp;
96			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
97			window_pane_resize(wp, wp2->sx, wp2->sy);
98		}
99		wp->layout_cell = lc;
100		if (wp->layout_cell != NULL)
101			wp->layout_cell->wp = wp;
102		wp->xoff = xoff; wp->yoff = yoff;
103		window_pane_resize(wp, sx, sy);
104
105		if ((wp = TAILQ_NEXT(w->active, entry)) == NULL)
106			wp = TAILQ_FIRST(&w->panes);
107	}
108
109	window_set_active_pane(w, wp, 1);
110	cmd_find_from_winlink_pane(current, wl, wp, 0);
111	window_pop_zoom(w);
112	server_redraw_window(w);
113
114	return (CMD_RETURN_NORMAL);
115}
116