1/*-
2 * Copyright (c) 2013-2014 Devin Teske <dteske@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#ifndef _DIALOG_UTIL_H_
28#define _DIALOG_UTIL_H_
29
30#include <sys/types.h>
31
32#include "dialogrc.h"
33
34#define DIALOG_SPAWN_DEBUG	0	/* Debug spawning of [X]dialog(1) */
35
36/* dialog(3) and [X]dialog(1) characteristics */
37#define DIALOG		"dialog"
38#define XDIALOG		"Xdialog"
39#define PROMPT_MAX	16384
40#define ENV_DIALOG	"DIALOG"
41#define ENV_USE_COLOR	"USE_COLOR"
42#define ENV_XDIALOG_HIGH_DIALOG_COMPAT	"XDIALOG_HIGH_DIALOG_COMPAT"
43extern uint8_t dialog_test;
44extern uint8_t use_libdialog;
45extern uint8_t use_dialog;
46extern uint8_t use_xdialog;
47extern uint8_t use_color;
48extern char dialog[];
49
50/* dialog(3) and [X]dialog(1) functionality */
51extern char *title, *backtitle;
52extern int dheight, dwidth;
53
54__BEGIN_DECLS
55uint8_t		 dialog_prompt_nlstate(const char *_prompt);
56void		 dialog_maxsize_free(void);
57char		*dialog_prompt_lastline(char *_prompt, uint8_t _nlstate);
58int		 dialog_maxcols(void);
59int		 dialog_maxrows(void);
60int		 dialog_prompt_wrappedlines(char *_prompt, int _ncols,
61		    uint8_t _nlstate);
62int		 dialog_spawn_gauge(char *_init_prompt, pid_t *_pid);
63int		 tty_maxcols(void);
64#define		 tty_maxrows() dialog_maxrows()
65unsigned int	 dialog_prompt_longestline(const char *_prompt,
66		    uint8_t _nlstate);
67unsigned int	 dialog_prompt_numlines(const char *_prompt, uint8_t _nlstate);
68__END_DECLS
69
70#endif /* !_DIALOG_UTIL_H_ */
71