inch.c revision 1.3 
1/*	$NetBSD: inch.c,v 1.3 2000/04/15 13:17:04 blymn Exp $	*/
2
3/*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Julian Coleman.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#include "curses.h"
40#include "curses_private.h"
41
42#ifndef _CURSES_USE_MACROS
43
44/*
45 * inch --
46 *	Return character at cursor position from stdscr.
47 */
48chtype
49inch(void)
50{
51	return winch(stdscr);
52}
53
54/*
55 * mvinch --
56 *      Return character at position (y, x) from stdscr.
57 */
58chtype
59mvinch(int y, int x)
60{
61	return mvwinch(stdscr, y, x);
62}
63
64/*
65 * mvwinch --
66 *      Return character at position (y, x) from the given window.
67 */
68chtype
69mvwinch(WINDOW *win, int y, int x)
70{
71	if (wmove(win, y, x) == ERR)
72		return ERR;
73
74	return winch(win);
75}
76
77#endif
78
79/*
80 * winch --
81 *	Return character at cursor position.
82 */
83chtype
84winch(WINDOW *win)
85{
86
87	chtype	 ch;
88
89	ch = (chtype) (((win)->lines[(win)->cury]->line[(win)->curx].ch & __CHARTEXT) |
90	  (chtype) ((win)->lines[(win)->cury]->line[(win)->curx].attr & __ATTRIBUTES));
91	return (ch);
92}
93