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 
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: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 
43 static enum cmd_retval
cmd_rotate_window_exec(struct cmd * self,struct cmdq_item * item)44 cmd_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