xref: /openbsd-src/usr.bin/tmux/cmd-break-pane.c (revision e5157e49389faebcb42b7237d55fbf096d9c2523)
1 /* $OpenBSD: cmd-break-pane.c,v 1.25 2014/10/20 23:35:28 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 #define BREAK_PANE_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
30 
31 enum cmd_retval	 cmd_break_pane_exec(struct cmd *, struct cmd_q *);
32 
33 const struct cmd_entry cmd_break_pane_entry = {
34 	"break-pane", "breakp",
35 	"dPF:t:", 0, 0,
36 	"[-dP] [-F format] " CMD_TARGET_PANE_USAGE,
37 	0,
38 	cmd_break_pane_exec
39 };
40 
41 enum cmd_retval
42 cmd_break_pane_exec(struct cmd *self, struct cmd_q *cmdq)
43 {
44 	struct args		*args = self->args;
45 	struct winlink		*wl;
46 	struct session		*s;
47 	struct window_pane	*wp;
48 	struct window		*w;
49 	char			*name;
50 	char			*cause;
51 	int			 base_idx;
52 	struct client		*c;
53 	struct format_tree	*ft;
54 	const char		*template;
55 	char			*cp;
56 
57 	if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
58 		return (CMD_RETURN_ERROR);
59 
60 	if (window_count_panes(wl->window) == 1) {
61 		cmdq_error(cmdq, "can't break with only one pane");
62 		return (CMD_RETURN_ERROR);
63 	}
64 
65 	w = wl->window;
66 	server_unzoom_window(w);
67 
68 	TAILQ_REMOVE(&w->panes, wp, entry);
69 	window_lost_pane(w, wp);
70 	layout_close_pane(wp);
71 
72 	w = wp->window = window_create1(s->sx, s->sy);
73 	TAILQ_INSERT_HEAD(&w->panes, wp, entry);
74 	w->active = wp;
75 	name = default_window_name(w);
76 	window_set_name(w, name);
77 	free(name);
78 	layout_init(w, wp);
79 
80 	base_idx = options_get_number(&s->options, "base-index");
81 	wl = session_attach(s, w, -1 - base_idx, &cause); /* can't fail */
82 	if (!args_has(self->args, 'd'))
83 		session_select(s, wl->idx);
84 
85 	server_redraw_session(s);
86 	server_status_session_group(s);
87 
88 	if (args_has(args, 'P')) {
89 		if ((template = args_get(args, 'F')) == NULL)
90 			template = BREAK_PANE_TEMPLATE;
91 
92 		ft = format_create();
93 		if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
94 			format_client(ft, c);
95 		format_session(ft, s);
96 		format_winlink(ft, s, wl);
97 		format_window_pane(ft, wp);
98 
99 		cp = format_expand(ft, template);
100 		cmdq_print(cmdq, "%s", cp);
101 		free(cp);
102 
103 		format_free(ft);
104 	}
105 	return (CMD_RETURN_NORMAL);
106 }
107