xref: /openbsd-src/usr.bin/tmux/cmd-break-pane.c (revision 249e1654297584fa37a4782acb154d850fb9bf62)
1 /* $OpenBSD: cmd-break-pane.c,v 1.57 2020/05/16 16:20:59 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 = { "adPF:n:s:t:", 0, 0 },
38 	.usage = "[-adP] [-F format] [-n window-name] [-s src-pane] "
39 		 "[-t dst-window]",
40 
41 	.source = { 's', CMD_FIND_PANE, 0 },
42 	.target = { 't', CMD_FIND_WINDOW, CMD_FIND_WINDOW_INDEX },
43 
44 	.flags = 0,
45 	.exec = cmd_break_pane_exec
46 };
47 
48 static enum cmd_retval
49 cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
50 {
51 	struct args		*args = cmd_get_args(self);
52 	struct cmd_find_state	*current = cmdq_get_current(item);
53 	struct cmd_find_state	*target = cmdq_get_target(item);
54 	struct cmd_find_state	*source = cmdq_get_source(item);
55 	struct client		*tc = cmdq_get_target_client(item);
56 	struct winlink		*wl = source->wl;
57 	struct session		*src_s = source->s;
58 	struct session		*dst_s = target->s;
59 	struct window_pane	*wp = source->wp;
60 	struct window		*w = wl->window;
61 	char			*name, *cause;
62 	int			 idx = target->idx;
63 	const char		*template;
64 	char			*cp;
65 
66 	if (args_has(args, 'a')) {
67 		if (target->wl != NULL)
68 			idx = winlink_shuffle_up(dst_s, target->wl);
69 		else
70 			idx = winlink_shuffle_up(dst_s, dst_s->curw);
71 		if (idx == -1)
72 			return (CMD_RETURN_ERROR);
73 	}
74 	server_unzoom_window(w);
75 
76 	if (window_count_panes(w) == 1) {
77 		if (server_link_window(src_s, wl, dst_s, idx, 0,
78 		    !args_has(args, 'd'), &cause) != 0) {
79 			cmdq_error(item, "%s", cause);
80 			free(cause);
81 			return (CMD_RETURN_ERROR);
82 		}
83 		server_unlink_window(src_s, wl);
84 		return (CMD_RETURN_NORMAL);
85 	}
86 	if (idx != -1 && winlink_find_by_index(&dst_s->windows, idx) != NULL) {
87 		cmdq_error(item, "index in use: %d", idx);
88 		return (CMD_RETURN_ERROR);
89 	}
90 
91 	TAILQ_REMOVE(&w->panes, wp, entry);
92 	server_client_remove_pane(wp);
93 	window_lost_pane(w, wp);
94 	layout_close_pane(wp);
95 
96 	w = wp->window = window_create(w->sx, w->sy, w->xpixel, w->ypixel);
97 	options_set_parent(wp->options, w->options);
98 	wp->flags |= PANE_STYLECHANGED;
99 	TAILQ_INSERT_HEAD(&w->panes, wp, entry);
100 	w->active = wp;
101 	w->latest = tc;
102 
103 	if (!args_has(args, 'n')) {
104 		name = default_window_name(w);
105 		window_set_name(w, name);
106 		free(name);
107 	} else {
108 		window_set_name(w, args_get(args, 'n'));
109 		options_set_number(w->options, "automatic-rename", 0);
110 	}
111 
112 	layout_init(w, wp);
113 	wp->flags |= PANE_CHANGED;
114 
115 	if (idx == -1)
116 		idx = -1 - options_get_number(dst_s->options, "base-index");
117 	wl = session_attach(dst_s, w, idx, &cause); /* can't fail */
118 	if (!args_has(args, 'd')) {
119 		session_select(dst_s, wl->idx);
120 		cmd_find_from_session(current, dst_s, 0);
121 	}
122 
123 	server_redraw_session(src_s);
124 	if (src_s != dst_s)
125 		server_redraw_session(dst_s);
126 	server_status_session_group(src_s);
127 	if (src_s != dst_s)
128 		server_status_session_group(dst_s);
129 
130 	if (args_has(args, 'P')) {
131 		if ((template = args_get(args, 'F')) == NULL)
132 			template = BREAK_PANE_TEMPLATE;
133 		cp = format_single(item, template, tc, dst_s, wl, wp);
134 		cmdq_print(item, "%s", cp);
135 		free(cp);
136 	}
137 	return (CMD_RETURN_NORMAL);
138 }
139