xref: /openbsd-src/usr.bin/tmux/cmd-rotate-window.c (revision 7d6ad1a9cd72e4f247f8c2ee1adf7714ea157731)
1 /* $OpenBSD: cmd-rotate-window.c,v 1.22 2016/11/14 16:27:12 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 static enum cmd_retval	cmd_rotate_window_exec(struct cmd *,
28 			    struct cmdq_item *);
29 
30 const struct cmd_entry cmd_rotate_window_entry = {
31 	.name = "rotate-window",
32 	.alias = "rotatew",
33 
34 	.args = { "Dt:U", 0, 0 },
35 	.usage = "[-DU] " CMD_TARGET_WINDOW_USAGE,
36 
37 	.tflag = CMD_WINDOW,
38 
39 	.flags = 0,
40 	.exec = cmd_rotate_window_exec
41 };
42 
43 static enum cmd_retval
44 cmd_rotate_window_exec(struct cmd *self, struct cmdq_item *item)
45 {
46 	struct winlink		*wl = item->state.tflag.wl;
47 	struct window		*w = wl->window;
48 	struct window_pane	*wp, *wp2;
49 	struct layout_cell	*lc;
50 	u_int			 sx, sy, xoff, yoff;
51 
52 	server_unzoom_window(w);
53 
54 	if (args_has(self->args, 'D')) {
55 		wp = TAILQ_LAST(&w->panes, window_panes);
56 		TAILQ_REMOVE(&w->panes, wp, entry);
57 		TAILQ_INSERT_HEAD(&w->panes, wp, entry);
58 
59 		lc = wp->layout_cell;
60 		xoff = wp->xoff; yoff = wp->yoff;
61 		sx = wp->sx; sy = wp->sy;
62 		TAILQ_FOREACH(wp, &w->panes, entry) {
63 			if ((wp2 = TAILQ_NEXT(wp, entry)) == NULL)
64 				break;
65 			wp->layout_cell = wp2->layout_cell;
66 			if (wp->layout_cell != NULL)
67 				wp->layout_cell->wp = wp;
68 			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
69 			window_pane_resize(wp, wp2->sx, wp2->sy);
70 		}
71 		wp->layout_cell = lc;
72 		if (wp->layout_cell != NULL)
73 			wp->layout_cell->wp = wp;
74 		wp->xoff = xoff; wp->yoff = yoff;
75 		window_pane_resize(wp, sx, sy);
76 
77 		if ((wp = TAILQ_PREV(w->active, window_panes, entry)) == NULL)
78 			wp = TAILQ_LAST(&w->panes, window_panes);
79 		window_set_active_pane(w, wp);
80 		server_redraw_window(w);
81 	} else {
82 		wp = TAILQ_FIRST(&w->panes);
83 		TAILQ_REMOVE(&w->panes, wp, entry);
84 		TAILQ_INSERT_TAIL(&w->panes, wp, entry);
85 
86 		lc = wp->layout_cell;
87 		xoff = wp->xoff; yoff = wp->yoff;
88 		sx = wp->sx; sy = wp->sy;
89 		TAILQ_FOREACH_REVERSE(wp, &w->panes, window_panes, entry) {
90 			if ((wp2 = TAILQ_PREV(wp, window_panes, entry)) == NULL)
91 				break;
92 			wp->layout_cell = wp2->layout_cell;
93 			if (wp->layout_cell != NULL)
94 				wp->layout_cell->wp = wp;
95 			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
96 			window_pane_resize(wp, wp2->sx, wp2->sy);
97 		}
98 		wp->layout_cell = lc;
99 		if (wp->layout_cell != NULL)
100 			wp->layout_cell->wp = wp;
101 		wp->xoff = xoff; wp->yoff = yoff;
102 		window_pane_resize(wp, sx, sy);
103 
104 		if ((wp = TAILQ_NEXT(w->active, entry)) == NULL)
105 			wp = TAILQ_FIRST(&w->panes);
106 		window_set_active_pane(w, wp);
107 		server_redraw_window(w);
108 	}
109 
110 	return (CMD_RETURN_NORMAL);
111 }
112