xref: /netbsd-src/external/bsd/tmux/dist/cmd-break-pane.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /* $OpenBSD$ */
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:s:t:", 0, 0,
36 	"[-dP] [-F format] " CMD_SRCDST_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		*src_s;
47 	struct session		*dst_s;
48 	struct window_pane	*wp;
49 	struct window		*w;
50 	char			*name;
51 	char			*cause;
52 	int			 idx;
53 	struct format_tree	*ft;
54 	const char		*template;
55 	char			*cp;
56 
57 	wl = cmd_find_pane(cmdq, args_get(args, 's'), &src_s, &wp);
58 	if (wl == NULL)
59 		return (CMD_RETURN_ERROR);
60 	if ((idx = cmd_find_index(cmdq, args_get(args, 't'), &dst_s)) == -2)
61 		return (CMD_RETURN_ERROR);
62 	if (idx != -1 && winlink_find_by_index(&dst_s->windows, idx) != NULL) {
63 		cmdq_error(cmdq, "index %d already in use", idx);
64 		return (CMD_RETURN_ERROR);
65 	}
66 	w = wl->window;
67 
68 	if (window_count_panes(w) == 1) {
69 		cmdq_error(cmdq, "can't break with only one pane");
70 		return (CMD_RETURN_ERROR);
71 	}
72 	server_unzoom_window(w);
73 
74 	TAILQ_REMOVE(&w->panes, wp, entry);
75 	window_lost_pane(w, wp);
76 	layout_close_pane(wp);
77 
78 	w = wp->window = window_create1(dst_s->sx, dst_s->sy);
79 	TAILQ_INSERT_HEAD(&w->panes, wp, entry);
80 	w->active = wp;
81 	name = default_window_name(w);
82 	window_set_name(w, name);
83 	free(name);
84 	layout_init(w, wp);
85 
86 	if (idx == -1)
87 		idx = -1 - options_get_number(&dst_s->options, "base-index");
88 	wl = session_attach(dst_s, w, idx, &cause); /* can't fail */
89 	if (!args_has(self->args, 'd'))
90 		session_select(dst_s, wl->idx);
91 
92 	server_redraw_session(src_s);
93 	if (src_s != dst_s)
94 		server_redraw_session(dst_s);
95 	server_status_session_group(src_s);
96 	if (src_s != dst_s)
97 		server_status_session_group(dst_s);
98 
99 	if (args_has(args, 'P')) {
100 		if ((template = args_get(args, 'F')) == NULL)
101 			template = BREAK_PANE_TEMPLATE;
102 
103 		ft = format_create();
104 		format_defaults(ft, cmd_find_client(cmdq, NULL, 1), dst_s, wl,
105 		    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