1/* $OpenBSD: cmd-break-pane.c,v 1.61 2023/01/17 06:50:55 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
31static enum cmd_retval	cmd_break_pane_exec(struct cmd *, struct cmdq_item *);
32
33const struct cmd_entry cmd_break_pane_entry = {
34	.name = "break-pane",
35	.alias = "breakp",
36
37	.args = { "abdPF:n:s:t:", 0, 0, NULL },
38	.usage = "[-abdP] [-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
48static enum cmd_retval
49cmd_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, *cp;
62	int			 idx = target->idx, before;
63	const char		*template;
64
65	before = args_has(args, 'b');
66	if (args_has(args, 'a') || before) {
67		if (target->wl != NULL)
68			idx = winlink_shuffle_up(dst_s, target->wl, before);
69		else
70			idx = winlink_shuffle_up(dst_s, dst_s->curw, before);
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		if (args_has(args, 'n')) {
84			window_set_name(w, args_get(args, 'n'));
85			options_set_number(w->options, "automatic-rename", 0);
86		}
87		server_unlink_window(src_s, wl);
88		return (CMD_RETURN_NORMAL);
89	}
90	if (idx != -1 && winlink_find_by_index(&dst_s->windows, idx) != NULL) {
91		cmdq_error(item, "index in use: %d", idx);
92		return (CMD_RETURN_ERROR);
93	}
94
95	TAILQ_REMOVE(&w->panes, wp, entry);
96	server_client_remove_pane(wp);
97	window_lost_pane(w, wp);
98	layout_close_pane(wp);
99
100	w = wp->window = window_create(w->sx, w->sy, w->xpixel, w->ypixel);
101	options_set_parent(wp->options, w->options);
102	wp->flags |= PANE_STYLECHANGED;
103	TAILQ_INSERT_HEAD(&w->panes, wp, entry);
104	w->active = wp;
105	w->latest = tc;
106
107	if (!args_has(args, 'n')) {
108		name = default_window_name(w);
109		window_set_name(w, name);
110		free(name);
111	} else {
112		window_set_name(w, args_get(args, 'n'));
113		options_set_number(w->options, "automatic-rename", 0);
114	}
115
116	layout_init(w, wp);
117	wp->flags |= PANE_CHANGED;
118	colour_palette_from_option(&wp->palette, wp->options);
119
120	if (idx == -1)
121		idx = -1 - options_get_number(dst_s->options, "base-index");
122	wl = session_attach(dst_s, w, idx, &cause); /* can't fail */
123	if (!args_has(args, 'd')) {
124		session_select(dst_s, wl->idx);
125		cmd_find_from_session(current, dst_s, 0);
126	}
127
128	server_redraw_session(src_s);
129	if (src_s != dst_s)
130		server_redraw_session(dst_s);
131	server_status_session_group(src_s);
132	if (src_s != dst_s)
133		server_status_session_group(dst_s);
134
135	if (args_has(args, 'P')) {
136		if ((template = args_get(args, 'F')) == NULL)
137			template = BREAK_PANE_TEMPLATE;
138		cp = format_single(item, template, tc, dst_s, wl, wp);
139		cmdq_print(item, "%s", cp);
140		free(cp);
141	}
142	return (CMD_RETURN_NORMAL);
143}
144