xref: /openbsd-src/usr.bin/tmux/cmd-break-pane.c (revision 91f110e064cd7c194e59e019b83bb7496c1c84d4)
1 /* $OpenBSD: cmd-break-pane.c,v 1.22 2013/10/10 12:00:18 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 enum cmd_retval	 cmd_break_pane_exec(struct cmd *, struct cmd_q *);
30 
31 const struct cmd_entry cmd_break_pane_entry = {
32 	"break-pane", "breakp",
33 	"dPF:t:", 0, 0,
34 	"[-dP] [-F format] " CMD_TARGET_PANE_USAGE,
35 	0,
36 	NULL,
37 	cmd_break_pane_exec
38 };
39 
40 enum cmd_retval
41 cmd_break_pane_exec(struct cmd *self, struct cmd_q *cmdq)
42 {
43 	struct args		*args = self->args;
44 	struct winlink		*wl;
45 	struct session		*s;
46 	struct window_pane	*wp;
47 	struct window		*w;
48 	char			*name;
49 	char			*cause;
50 	int			 base_idx;
51 	struct client		*c;
52 	struct format_tree	*ft;
53 	const char		*template;
54 	char			*cp;
55 
56 	if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
57 		return (CMD_RETURN_ERROR);
58 
59 	if (window_count_panes(wl->window) == 1) {
60 		cmdq_error(cmdq, "can't break with only one pane");
61 		return (CMD_RETURN_ERROR);
62 	}
63 
64 	w = wl->window;
65 	server_unzoom_window(w);
66 
67 	TAILQ_REMOVE(&w->panes, wp, entry);
68 	if (wp == w->active) {
69 		w->active = w->last;
70 		w->last = NULL;
71 		if (w->active == NULL) {
72 			w->active = TAILQ_PREV(wp, window_panes, entry);
73 			if (w->active == NULL)
74 				w->active = TAILQ_NEXT(wp, entry);
75 		}
76 	} else if (wp == w->last)
77 		w->last = NULL;
78 	layout_close_pane(wp);
79 
80 	w = wp->window = window_create1(s->sx, s->sy);
81 	TAILQ_INSERT_HEAD(&w->panes, wp, entry);
82 	w->active = wp;
83 	name = default_window_name(w);
84 	window_set_name(w, name);
85 	free(name);
86 	layout_init(w, wp);
87 
88 	base_idx = options_get_number(&s->options, "base-index");
89 	wl = session_attach(s, w, -1 - base_idx, &cause); /* can't fail */
90 	if (!args_has(self->args, 'd'))
91 		session_select(s, wl->idx);
92 
93 	server_redraw_session(s);
94 	server_status_session_group(s);
95 
96 	if (args_has(args, 'P')) {
97 		if ((template = args_get(args, 'F')) == NULL)
98 			template = BREAK_PANE_TEMPLATE;
99 
100 		ft = format_create();
101 		if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
102 			format_client(ft, c);
103 		format_session(ft, s);
104 		format_winlink(ft, s, wl);
105 		format_window_pane(ft, wp);
106 
107 		cp = format_expand(ft, template);
108 		cmdq_print(cmdq, "%s", cp);
109 		free(cp);
110 
111 		format_free(ft);
112 	}
113 	return (CMD_RETURN_NORMAL);
114 }
115