1/* $Id: cmd-join-pane.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
2
3/*
4 * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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#include <unistd.h>
23
24#include "tmux.h"
25
26/*
27 * Join a pane into another (like split/swap/kill).
28 */
29
30void	cmd_join_pane_key_binding(struct cmd *, int);
31int	cmd_join_pane_exec(struct cmd *, struct cmd_ctx *);
32
33const struct cmd_entry cmd_join_pane_entry = {
34	"join-pane", "joinp",
35	"dhvp:l:s:t:", 0, 0,
36	"[-dhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
37	0,
38	cmd_join_pane_key_binding,
39	NULL,
40	cmd_join_pane_exec
41};
42
43void
44cmd_join_pane_key_binding(struct cmd *self, int key)
45{
46	switch (key) {
47	case '%':
48		self->args = args_create(0);
49		args_set(self->args, 'h', NULL);
50		break;
51	default:
52		self->args = args_create(0);
53		break;
54	}
55}
56
57int
58cmd_join_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
59{
60	struct args		*args = self->args;
61	struct session		*dst_s;
62	struct winlink		*src_wl, *dst_wl;
63	struct window		*src_w, *dst_w;
64	struct window_pane	*src_wp, *dst_wp;
65	char			*cause;
66	int			 size, percentage, dst_idx;
67	enum layout_type	 type;
68	struct layout_cell	*lc;
69
70	dst_wl = cmd_find_pane(ctx, args_get(args, 't'), &dst_s, &dst_wp);
71	if (dst_wl == NULL)
72		return (-1);
73	dst_w = dst_wl->window;
74	dst_idx = dst_wl->idx;
75
76	src_wl = cmd_find_pane(ctx, args_get(args, 's'), NULL, &src_wp);
77	if (src_wl == NULL)
78		return (-1);
79	src_w = src_wl->window;
80
81	if (src_w == dst_w) {
82		ctx->error(ctx, "can't join a pane to its own window");
83		return (-1);
84	}
85
86	type = LAYOUT_TOPBOTTOM;
87	if (args_has(args, 'h'))
88		type = LAYOUT_LEFTRIGHT;
89
90	size = -1;
91	if (args_has(args, 'l')) {
92		size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
93		if (cause != NULL) {
94			ctx->error(ctx, "size %s", cause);
95			xfree(cause);
96			return (-1);
97		}
98	} else if (args_has(args, 'p')) {
99		percentage = args_strtonum(args, 'p', 0, 100, &cause);
100		if (cause != NULL) {
101			ctx->error(ctx, "percentage %s", cause);
102			xfree(cause);
103			return (-1);
104		}
105		if (type == LAYOUT_TOPBOTTOM)
106			size = (dst_wp->sy * percentage) / 100;
107		else
108			size = (dst_wp->sx * percentage) / 100;
109	}
110
111	if ((lc = layout_split_pane(dst_wp, type, size)) == NULL) {
112		ctx->error(ctx, "create pane failed: pane too small");
113		return (-1);
114	}
115
116	layout_close_pane(src_wp);
117
118	if (src_w->active == src_wp) {
119		src_w->active = TAILQ_PREV(src_wp, window_panes, entry);
120		if (src_w->active == NULL)
121			src_w->active = TAILQ_NEXT(src_wp, entry);
122	}
123	TAILQ_REMOVE(&src_w->panes, src_wp, entry);
124
125	if (window_count_panes(src_w) == 0)
126		server_kill_window(src_w);
127
128	src_wp->window = dst_w;
129	TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
130	layout_assign_pane(lc, src_wp);
131
132	recalculate_sizes();
133
134	server_redraw_window(src_w);
135	server_redraw_window(dst_w);
136
137	if (!args_has(args, 'd')) {
138		window_set_active_pane(dst_w, src_wp);
139		session_select(dst_s, dst_idx);
140		server_redraw_session(dst_s);
141	} else
142		server_status_session(dst_s);
143
144	return (0);
145}
146