summaryrefslogtreecommitdiff
path: root/usr.bin/tmux/cmd-join-pane.c
blob: 6007a783fa7267fbade9ec2cda424dcb3facb7f7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/* $OpenBSD: cmd-join-pane.c,v 1.10 2012/04/01 20:53:47 nicm Exp $ */

/*
 * Copyright (c) 2011 George Nachman <tmux@georgester.com>
 * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <paths.h>
#include <stdlib.h>
#include <unistd.h>

#include "tmux.h"

/*
 * Join or move a pane into another (like split/swap/kill).
 */

void	cmd_join_pane_key_binding(struct cmd *, int);
int	cmd_join_pane_exec(struct cmd *, struct cmd_ctx *);

int	join_pane(struct cmd *, struct cmd_ctx *, int);

const struct cmd_entry cmd_join_pane_entry = {
	"join-pane", "joinp",
	"bdhvp:l:s:t:", 0, 0,
	"[-bdhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
	0,
	cmd_join_pane_key_binding,
	NULL,
	cmd_join_pane_exec
};

const struct cmd_entry cmd_move_pane_entry = {
	"move-pane", "movep",
	"bdhvp:l:s:t:", 0, 0,
	"[-bdhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
	0,
	NULL,
	NULL,
	cmd_join_pane_exec
};

void
cmd_join_pane_key_binding(struct cmd *self, int key)
{
	switch (key) {
	case '%':
		self->args = args_create(0);
		args_set(self->args, 'h', NULL);
		break;
	default:
		self->args = args_create(0);
		break;
	}
}

int
cmd_join_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
{
	return (join_pane(self, ctx, self->entry == &cmd_join_pane_entry));
}

int
join_pane(struct cmd *self, struct cmd_ctx *ctx, int not_same_window)
{
	struct args		*args = self->args;
	struct session		*dst_s;
	struct winlink		*src_wl, *dst_wl;
	struct window		*src_w, *dst_w;
	struct window_pane	*src_wp, *dst_wp;
	char			*cause;
	int			 size, percentage, dst_idx;
	enum layout_type	 type;
	struct layout_cell	*lc;

	dst_wl = cmd_find_pane(ctx, args_get(args, 't'), &dst_s, &dst_wp);
	if (dst_wl == NULL)
		return (-1);
	dst_w = dst_wl->window;
	dst_idx = dst_wl->idx;

	src_wl = cmd_find_pane(ctx, args_get(args, 's'), NULL, &src_wp);
	if (src_wl == NULL)
		return (-1);
	src_w = src_wl->window;

	if (not_same_window && src_w == dst_w) {
		ctx->error(ctx, "can't join a pane to its own window");
		return (-1);
	}
	if (!not_same_window && src_wp == dst_wp) {
		ctx->error(ctx, "source and target panes must be different");
		return (-1);
	}

	type = LAYOUT_TOPBOTTOM;
	if (args_has(args, 'h'))
		type = LAYOUT_LEFTRIGHT;

	size = -1;
	if (args_has(args, 'l')) {
		size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
		if (cause != NULL) {
			ctx->error(ctx, "size %s", cause);
			xfree(cause);
			return (-1);
		}
	} else if (args_has(args, 'p')) {
		percentage = args_strtonum(args, 'p', 0, 100, &cause);
		if (cause != NULL) {
			ctx->error(ctx, "percentage %s", cause);
			xfree(cause);
			return (-1);
		}
		if (type == LAYOUT_TOPBOTTOM)
			size = (dst_wp->sy * percentage) / 100;
		else
			size = (dst_wp->sx * percentage) / 100;
	}
	lc = layout_split_pane(dst_wp, type, size, args_has(args, 'b'));
	if (lc == NULL) {
		ctx->error(ctx, "create pane failed: pane too small");
		return (-1);
	}

	layout_close_pane(src_wp);

	if (src_w->active == src_wp) {
		src_w->active = TAILQ_PREV(src_wp, window_panes, entry);
		if (src_w->active == NULL)
			src_w->active = TAILQ_NEXT(src_wp, entry);
	}
	TAILQ_REMOVE(&src_w->panes, src_wp, entry);

	if (window_count_panes(src_w) == 0)
		server_kill_window(src_w);
	else
		notify_window_layout_changed(src_w);

	src_wp->window = dst_w;
	TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
	layout_assign_pane(lc, src_wp);

	recalculate_sizes();

	server_redraw_window(src_w);
	server_redraw_window(dst_w);

	if (!args_has(args, 'd')) {
		window_set_active_pane(dst_w, src_wp);
		session_select(dst_s, dst_idx);
		server_redraw_session(dst_s);
	} else
		server_status_session(dst_s);

	notify_window_layout_changed(dst_w);
	return (0);
}