xref: /openbsd/usr.bin/tmux/cmd-rotate-window.c (revision 9b7c3dbb)
1 /* $OpenBSD: cmd-rotate-window.c,v 1.19 2016/01/19 15:59:12 nicm Exp $ */
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 
27 enum cmd_retval	 cmd_rotate_window_exec(struct cmd *, struct cmd_q *);
28 
29 const struct cmd_entry cmd_rotate_window_entry = {
30 	.name = "rotate-window",
31 	.alias = "rotatew",
32 
33 	.args = { "Dt:U", 0, 0 },
34 	.usage = "[-DU] " CMD_TARGET_WINDOW_USAGE,
35 
36 	.tflag = CMD_WINDOW,
37 
38 	.flags = 0,
39 	.exec = cmd_rotate_window_exec
40 };
41 
42 enum cmd_retval
43 cmd_rotate_window_exec(struct cmd *self, struct cmd_q *cmdq)
44 {
45 	struct winlink		*wl = cmdq->state.tflag.wl;
46 	struct window		*w = wl->window;
47 	struct window_pane	*wp, *wp2;
48 	struct layout_cell	*lc;
49 	u_int			 sx, sy, xoff, yoff;
50 
51 	if (args_has(self->args, 'D')) {
52 		wp = TAILQ_LAST(&w->panes, window_panes);
53 		TAILQ_REMOVE(&w->panes, wp, entry);
54 		TAILQ_INSERT_HEAD(&w->panes, wp, entry);
55 
56 		lc = wp->layout_cell;
57 		xoff = wp->xoff; yoff = wp->yoff;
58 		sx = wp->sx; sy = wp->sy;
59 		TAILQ_FOREACH(wp, &w->panes, entry) {
60 			if ((wp2 = TAILQ_NEXT(wp, entry)) == NULL)
61 				break;
62 			wp->layout_cell = wp2->layout_cell;
63 			if (wp->layout_cell != NULL)
64 				wp->layout_cell->wp = wp;
65 			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
66 			window_pane_resize(wp, wp2->sx, wp2->sy);
67 		}
68 		wp->layout_cell = lc;
69 		if (wp->layout_cell != NULL)
70 			wp->layout_cell->wp = wp;
71 		wp->xoff = xoff; wp->yoff = yoff;
72 		window_pane_resize(wp, sx, sy);
73 
74 		if ((wp = TAILQ_PREV(w->active, window_panes, entry)) == NULL)
75 			wp = TAILQ_LAST(&w->panes, window_panes);
76 		window_set_active_pane(w, wp);
77 		server_redraw_window(w);
78 	} else {
79 		wp = TAILQ_FIRST(&w->panes);
80 		TAILQ_REMOVE(&w->panes, wp, entry);
81 		TAILQ_INSERT_TAIL(&w->panes, wp, entry);
82 
83 		lc = wp->layout_cell;
84 		xoff = wp->xoff; yoff = wp->yoff;
85 		sx = wp->sx; sy = wp->sy;
86 		TAILQ_FOREACH_REVERSE(wp, &w->panes, window_panes, entry) {
87 			if ((wp2 = TAILQ_PREV(wp, window_panes, entry)) == NULL)
88 				break;
89 			wp->layout_cell = wp2->layout_cell;
90 			if (wp->layout_cell != NULL)
91 				wp->layout_cell->wp = wp;
92 			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
93 			window_pane_resize(wp, wp2->sx, wp2->sy);
94 		}
95 		wp->layout_cell = lc;
96 		if (wp->layout_cell != NULL)
97 			wp->layout_cell->wp = wp;
98 		wp->xoff = xoff; wp->yoff = yoff;
99 		window_pane_resize(wp, sx, sy);
100 
101 		if ((wp = TAILQ_NEXT(w->active, entry)) == NULL)
102 			wp = TAILQ_FIRST(&w->panes);
103 		window_set_active_pane(w, wp);
104 		server_redraw_window(w);
105 	}
106 
107 	return (CMD_RETURN_NORMAL);
108 }
109