pecho_wc.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1995-1998 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/* LINTLIBRARY */
30
31/*
32 * pecho_wc.c
33 *
34 * XCurses Library
35 *
36 * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37 *
38 */
39
40#if M_RCSID
41#ifndef lint
42static char rcsID[] =
43"$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
44"libxcurses/src/libc/xcurses/rcs/pecho_wc.c 1.4 1998/05/22 15:04:28 "
45"cbates Exp $";
46#endif
47#endif
48
49#include <private.h>
50
51int
52pecho_wchar(WINDOW *pad, const cchar_t *cc)
53{
54	int	code, dy, dx;
55	int	code1;
56
57	/* Compute height and width of inclusive region. */
58	dy = pad->_smaxy - pad->_sminy;
59	dx = pad->_smaxx - pad->_sminx;
60
61
62	/* Is the logical cursor within the previously displayed region? */
63	if (pad->_cury < pad->_refy || pad->_curx < pad->_refx ||
64		pad->_refy + dy < pad->_cury || pad->_refx + dx < pad->_curx)
65		return (ERR);
66
67	/* Add the character to the pad. */
68	code1 = wadd_wch(pad, cc);
69
70	/* Redisplay previous region. */
71	code = prefresh(pad, pad->_refy, pad->_refx,
72		pad->_sminy, pad->_sminx, pad->_smaxy, pad->_smaxx);
73
74	return ((code1) ? code : code1);
75}
76