1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2011 George Nachman <tmux@georgester.com>
5 * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20#include <sys/types.h>
21
22#include <stdlib.h>
23#include <string.h>
24#include <unistd.h>
25
26#include "tmux.h"
27
28/*
29 * Join or move a pane into another (like split/swap/kill).
30 */
31
32static enum cmd_retval	cmd_join_pane_exec(struct cmd *, struct cmdq_item *);
33
34const struct cmd_entry cmd_join_pane_entry = {
35	.name = "join-pane",
36	.alias = "joinp",
37
38	.args = { "bdfhvp:l:s:t:", 0, 0, NULL },
39	.usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
40
41	.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
42	.target = { 't', CMD_FIND_PANE, 0 },
43
44	.flags = 0,
45	.exec = cmd_join_pane_exec
46};
47
48const struct cmd_entry cmd_move_pane_entry = {
49	.name = "move-pane",
50	.alias = "movep",
51
52	.args = { "bdfhvp:l:s:t:", 0, 0, NULL },
53	.usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
54
55	.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
56	.target = { 't', CMD_FIND_PANE, 0 },
57
58	.flags = 0,
59	.exec = cmd_join_pane_exec
60};
61
62static enum cmd_retval
63cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
64{
65	struct args		*args = cmd_get_args(self);
66	struct cmd_find_state	*current = cmdq_get_current(item);
67	struct cmd_find_state	*target = cmdq_get_target(item);
68	struct cmd_find_state	*source = cmdq_get_source(item);
69	struct session		*dst_s;
70	struct winlink		*src_wl, *dst_wl;
71	struct window		*src_w, *dst_w;
72	struct window_pane	*src_wp, *dst_wp;
73	char			*cause = NULL;
74	int			 size, dst_idx;
75	int			 flags;
76	enum layout_type	 type;
77	struct layout_cell	*lc;
78	u_int			 curval = 0;
79
80	dst_s = target->s;
81	dst_wl = target->wl;
82	dst_wp = target->wp;
83	dst_w = dst_wl->window;
84	dst_idx = dst_wl->idx;
85	server_unzoom_window(dst_w);
86
87	src_wl = source->wl;
88	src_wp = source->wp;
89	src_w = src_wl->window;
90	server_unzoom_window(src_w);
91
92	if (src_wp == dst_wp) {
93		cmdq_error(item, "source and target panes must be different");
94		return (CMD_RETURN_ERROR);
95	}
96
97	type = LAYOUT_TOPBOTTOM;
98	if (args_has(args, 'h'))
99		type = LAYOUT_LEFTRIGHT;
100
101	/* If the 'p' flag is dropped then this bit can be moved into 'l'. */
102	if (args_has(args, 'l') || args_has(args, 'p')) {
103		if (args_has(args, 'f')) {
104			if (type == LAYOUT_TOPBOTTOM)
105				curval = dst_w->sy;
106			else
107				curval = dst_w->sx;
108		} else {
109			if (type == LAYOUT_TOPBOTTOM)
110				curval = dst_wp->sy;
111			else
112				curval = dst_wp->sx;
113		}
114	}
115
116	size = -1;
117	if (args_has(args, 'l')) {
118		size = args_percentage_and_expand(args, 'l', 0, INT_MAX, curval,
119			   item, &cause);
120	} else if (args_has(args, 'p')) {
121		size = args_strtonum_and_expand(args, 'l', 0, 100, item,
122			   &cause);
123		if (cause == NULL)
124			size = curval * size / 100;
125	}
126	if (cause != NULL) {
127		cmdq_error(item, "size %s", cause);
128		free(cause);
129		return (CMD_RETURN_ERROR);
130	}
131
132	flags = 0;
133	if (args_has(args, 'b'))
134		flags |= SPAWN_BEFORE;
135	if (args_has(args, 'f'))
136		flags |= SPAWN_FULLSIZE;
137
138	lc = layout_split_pane(dst_wp, type, size, flags);
139	if (lc == NULL) {
140		cmdq_error(item, "create pane failed: pane too small");
141		return (CMD_RETURN_ERROR);
142	}
143
144	layout_close_pane(src_wp);
145
146	server_client_remove_pane(src_wp);
147	window_lost_pane(src_w, src_wp);
148	TAILQ_REMOVE(&src_w->panes, src_wp, entry);
149
150	src_wp->window = dst_w;
151	options_set_parent(src_wp->options, dst_w->options);
152	src_wp->flags |= PANE_STYLECHANGED;
153	if (flags & SPAWN_BEFORE)
154		TAILQ_INSERT_BEFORE(dst_wp, src_wp, entry);
155	else
156		TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
157	layout_assign_pane(lc, src_wp, 0);
158	colour_palette_from_option(&src_wp->palette, src_wp->options);
159
160	recalculate_sizes();
161
162	server_redraw_window(src_w);
163	server_redraw_window(dst_w);
164
165	if (!args_has(args, 'd')) {
166		window_set_active_pane(dst_w, src_wp, 1);
167		session_select(dst_s, dst_idx);
168		cmd_find_from_session(current, dst_s, 0);
169		server_redraw_session(dst_s);
170	} else
171		server_status_session(dst_s);
172
173	if (window_count_panes(src_w) == 0)
174		server_kill_window(src_w, 1);
175	else
176		notify_window("window-layout-changed", src_w);
177	notify_window("window-layout-changed", dst_w);
178
179	return (CMD_RETURN_NORMAL);
180}
181