xref: /openbsd/usr.bin/tmux/cmd-break-pane.c (revision 404b540a)
1 /* $OpenBSD: cmd-break-pane.c,v 1.7 2009/10/10 10:02:48 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 <stdlib.h>
22 
23 #include "tmux.h"
24 
25 /*
26  * Break pane off into a window.
27  */
28 
29 int	cmd_break_pane_exec(struct cmd *, struct cmd_ctx *);
30 
31 const struct cmd_entry cmd_break_pane_entry = {
32 	"break-pane", "breakp",
33 	CMD_TARGET_PANE_USAGE " [-d]",
34 	0, CMD_CHFLAG('d'),
35 	cmd_target_init,
36 	cmd_target_parse,
37 	cmd_break_pane_exec,
38 	cmd_target_free,
39 	cmd_target_print
40 };
41 
42 int
43 cmd_break_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
44 {
45 	struct cmd_target_data	*data = self->data;
46 	struct winlink		*wl;
47 	struct session		*s;
48 	struct window_pane	*wp;
49 	struct window		*w;
50 	char			*cause;
51 	int			 base_idx;
52 
53 	if ((wl = cmd_find_pane(ctx, data->target, &s, &wp)) == NULL)
54 		return (-1);
55 
56 	if (window_count_panes(wl->window) == 1) {
57 		ctx->error(ctx, "can't break with only one pane");
58 		return (-1);
59 	}
60 
61 	TAILQ_REMOVE(&wl->window->panes, wp, entry);
62 	if (wl->window->active == wp) {
63 		wl->window->active = TAILQ_PREV(wp, window_panes, entry);
64 		if (wl->window->active == NULL)
65 			wl->window->active = TAILQ_NEXT(wp, entry);
66 	}
67  	layout_close_pane(wp);
68 
69  	w = wp->window = window_create1(s->sx, s->sy);
70  	TAILQ_INSERT_HEAD(&w->panes, wp, entry);
71  	w->active = wp;
72  	w->name = default_window_name(w);
73 	layout_init(w);
74 
75 	base_idx = options_get_number(&s->options, "base-index");
76  	wl = session_attach(s, w, -1 - base_idx, &cause); /* can't fail */
77  	if (!(data->chflags & CMD_CHFLAG('d')))
78  		session_select(s, wl->idx);
79 
80 	server_redraw_session(s);
81 	server_status_session_group(s);
82 
83 	return (0);
84 }
85