xref: /openbsd-src/usr.bin/tmux/cmd-rotate-window.c (revision c057646b0dae17915fcb431f61cfee0683267f35)
1 /* $OpenBSD: cmd-rotate-window.c,v 1.17 2015/12/13 21:53:57 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 	.name = "rotate-window",
31 	.alias = "rotatew",
32 
33 	.args = { "Dt:U", 0, 0 },
34 	.usage = "[-DU] " CMD_TARGET_WINDOW_USAGE,
35 
36 	.flags = CMD_WINDOW_T,
37 	.exec = cmd_rotate_window_exec
38 };
39 
40 enum cmd_retval
41 cmd_rotate_window_exec(struct cmd *self, struct cmd_q *cmdq)
42 {
43 	struct winlink		*wl = cmdq->state.tflag.wl;
44 	struct window		*w = wl->window;
45 	struct window_pane	*wp, *wp2;
46 	struct layout_cell	*lc;
47 	u_int			 sx, sy, xoff, yoff;
48 
49 	if (args_has(self->args, 'D')) {
50 		wp = TAILQ_LAST(&w->panes, window_panes);
51 		TAILQ_REMOVE(&w->panes, wp, entry);
52 		TAILQ_INSERT_HEAD(&w->panes, wp, entry);
53 
54 		lc = wp->layout_cell;
55 		xoff = wp->xoff; yoff = wp->yoff;
56 		sx = wp->sx; sy = wp->sy;
57 		TAILQ_FOREACH(wp, &w->panes, entry) {
58 			if ((wp2 = TAILQ_NEXT(wp, entry)) == NULL)
59 				break;
60 			wp->layout_cell = wp2->layout_cell;
61 			if (wp->layout_cell != NULL)
62 				wp->layout_cell->wp = wp;
63 			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
64 			window_pane_resize(wp, wp2->sx, wp2->sy);
65 		}
66 		wp->layout_cell = lc;
67 		if (wp->layout_cell != NULL)
68 			wp->layout_cell->wp = wp;
69 		wp->xoff = xoff; wp->yoff = yoff;
70 		window_pane_resize(wp, sx, sy);
71 
72 		if ((wp = TAILQ_PREV(w->active, window_panes, entry)) == NULL)
73 			wp = TAILQ_LAST(&w->panes, window_panes);
74 		window_set_active_pane(w, wp);
75 		server_redraw_window(w);
76 	} else {
77 		wp = TAILQ_FIRST(&w->panes);
78 		TAILQ_REMOVE(&w->panes, wp, entry);
79 		TAILQ_INSERT_TAIL(&w->panes, wp, entry);
80 
81 		lc = wp->layout_cell;
82 		xoff = wp->xoff; yoff = wp->yoff;
83 		sx = wp->sx; sy = wp->sy;
84 		TAILQ_FOREACH_REVERSE(wp, &w->panes, window_panes, entry) {
85 			if ((wp2 = TAILQ_PREV(wp, window_panes, entry)) == NULL)
86 				break;
87 			wp->layout_cell = wp2->layout_cell;
88 			if (wp->layout_cell != NULL)
89 				wp->layout_cell->wp = wp;
90 			wp->xoff = wp2->xoff; wp->yoff = wp2->yoff;
91 			window_pane_resize(wp, wp2->sx, wp2->sy);
92 		}
93 		wp->layout_cell = lc;
94 		if (wp->layout_cell != NULL)
95 			wp->layout_cell->wp = wp;
96 		wp->xoff = xoff; wp->yoff = yoff;
97 		window_pane_resize(wp, sx, sy);
98 
99 		if ((wp = TAILQ_NEXT(w->active, entry)) == NULL)
100 			wp = TAILQ_FIRST(&w->panes);
101 		window_set_active_pane(w, wp);
102 		server_redraw_window(w);
103 	}
104 
105 	return (CMD_RETURN_NORMAL);
106 }
107