xref: /openbsd/usr.bin/tmux/cmd-break-pane.c (revision fc61954a)
1 /* $OpenBSD: cmd-break-pane.c,v 1.40 2016/10/16 19:04:05 nicm Exp $ */
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 <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 static enum cmd_retval	cmd_break_pane_exec(struct cmd *, struct cmdq_item *);
32 
33 const struct cmd_entry cmd_break_pane_entry = {
34 	.name = "break-pane",
35 	.alias = "breakp",
36 
37 	.args = { "dPF:s:t:", 0, 0 },
38 	.usage = "[-dP] [-F format] [-s src-pane] [-t dst-window]",
39 
40 	.sflag = CMD_PANE,
41 	.tflag = CMD_WINDOW_INDEX,
42 
43 	.flags = 0,
44 	.exec = cmd_break_pane_exec
45 };
46 
47 static enum cmd_retval
48 cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
49 {
50 	struct args		*args = self->args;
51 	struct winlink		*wl = item->state.sflag.wl;
52 	struct session		*src_s = item->state.sflag.s;
53 	struct session		*dst_s = item->state.tflag.s;
54 	struct window_pane	*wp = item->state.sflag.wp;
55 	struct window		*w = wl->window;
56 	char			*name;
57 	char			*cause;
58 	int			 idx = item->state.tflag.idx;
59 	struct format_tree	*ft;
60 	const char		*template;
61 	char			*cp;
62 
63 	if (idx != -1 && winlink_find_by_index(&dst_s->windows, idx) != NULL) {
64 		cmdq_error(item, "index %d already in use", idx);
65 		return (CMD_RETURN_ERROR);
66 	}
67 
68 	if (window_count_panes(w) == 1) {
69 		cmdq_error(item, "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_create(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 	wp->flags |= PANE_CHANGED;
86 
87 	if (idx == -1)
88 		idx = -1 - options_get_number(dst_s->options, "base-index");
89 	wl = session_attach(dst_s, w, idx, &cause); /* can't fail */
90 	if (!args_has(self->args, 'd'))
91 		session_select(dst_s, wl->idx);
92 
93 	server_redraw_session(src_s);
94 	if (src_s != dst_s)
95 		server_redraw_session(dst_s);
96 	server_status_session_group(src_s);
97 	if (src_s != dst_s)
98 		server_status_session_group(dst_s);
99 
100 	if (args_has(args, 'P')) {
101 		if ((template = args_get(args, 'F')) == NULL)
102 			template = BREAK_PANE_TEMPLATE;
103 
104 		ft = format_create(item, 0);
105 		format_defaults(ft, item->state.c, dst_s, wl, wp);
106 
107 		cp = format_expand(ft, template);
108 		cmdq_print(item, "%s", cp);
109 		free(cp);
110 
111 		format_free(ft);
112 	}
113 	return (CMD_RETURN_NORMAL);
114 }
115