xref: /openbsd-src/usr.bin/tmux/cmd-rotate-window.c (revision 3447b427c1ffcf379e7fc14b9e25cce4fa75a963)
1 /* $OpenBSD: cmd-rotate-window.c,v 1.16 2015/12/13 14:32:38 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2009 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 "tmux.h"
22 
23 /*
24  * Rotate the panes in a window.
25  */
26 
27 enum cmd_retval	 cmd_rotate_window_exec(struct cmd *, struct cmd_q *);
28 
29 const struct cmd_entry cmd_rotate_window_entry = {
30 	"rotate-window", "rotatew",
31 	"Dt:U", 0, 0,
32 	"[-DU] " CMD_TARGET_WINDOW_USAGE,
33 	CMD_WINDOW_T,
34 	cmd_rotate_window_exec
35 };
36 
37 enum cmd_retval
38 cmd_rotate_window_exec(struct cmd *self, struct cmd_q *cmdq)
39 {
40 	struct winlink		*wl = cmdq->state.tflag.wl;
41 	struct window		*w = wl->window;
42 	struct window_pane	*wp, *wp2;
43 	struct layout_cell	*lc;
44 	u_int			 sx, sy, xoff, yoff;
45 
46 	if (args_has(self->args, 'D')) {
47 		wp = TAILQ_LAST(&w->panes, window_panes);
48 		TAILQ_REMOVE(&w->panes, wp, entry);
49 		TAILQ_INSERT_HEAD(&w->panes, wp, entry);
50 
51 		lc = wp->layout_cell;
52 		xoff = wp->xoff; yoff = wp->yoff;
53 		sx = wp->sx; sy = wp->sy;
54 		TAILQ_FOREACH(wp, &w->panes, entry) {
55 			if ((wp2 = TAILQ_NEXT(wp, entry)) == NULL)
56 				break;
57 			wp->layout_cell = wp2->layout_cell;
58 			if (wp->layout_cell != NULL)
59 				wp->layout_cell->wp = wp;
60 			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
61 			window_pane_resize(wp, wp2->sx, wp2->sy);
62 		}
63 		wp->layout_cell = lc;
64 		if (wp->layout_cell != NULL)
65 			wp->layout_cell->wp = wp;
66 		wp->xoff = xoff; wp->yoff = yoff;
67 		window_pane_resize(wp, sx, sy);
68 
69 		if ((wp = TAILQ_PREV(w->active, window_panes, entry)) == NULL)
70 			wp = TAILQ_LAST(&w->panes, window_panes);
71 		window_set_active_pane(w, wp);
72 		server_redraw_window(w);
73 	} else {
74 		wp = TAILQ_FIRST(&w->panes);
75 		TAILQ_REMOVE(&w->panes, wp, entry);
76 		TAILQ_INSERT_TAIL(&w->panes, wp, entry);
77 
78 		lc = wp->layout_cell;
79 		xoff = wp->xoff; yoff = wp->yoff;
80 		sx = wp->sx; sy = wp->sy;
81 		TAILQ_FOREACH_REVERSE(wp, &w->panes, window_panes, entry) {
82 			if ((wp2 = TAILQ_PREV(wp, window_panes, entry)) == NULL)
83 				break;
84 			wp->layout_cell = wp2->layout_cell;
85 			if (wp->layout_cell != NULL)
86 				wp->layout_cell->wp = wp;
87 			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
88 			window_pane_resize(wp, wp2->sx, wp2->sy);
89 		}
90 		wp->layout_cell = lc;
91 		if (wp->layout_cell != NULL)
92 			wp->layout_cell->wp = wp;
93 		wp->xoff = xoff; wp->yoff = yoff;
94 		window_pane_resize(wp, sx, sy);
95 
96 		if ((wp = TAILQ_NEXT(w->active, entry)) == NULL)
97 			wp = TAILQ_FIRST(&w->panes);
98 		window_set_active_pane(w, wp);
99 		server_redraw_window(w);
100 	}
101 
102 	return (CMD_RETURN_NORMAL);
103 }
104