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, by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 /*
28 * pecho_wc.c
29 *
30 * XCurses Library
31 *
32 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
33 *
34 */
35
36 #if M_RCSID
37 #ifndef lint
38 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/pecho_wc.c 1.1 1995/06/20 13:31:51 ant Exp $";
39 #endif
40 #endif
41
42 #include <private.h>
43
44 int
pecho_wchar(WINDOW * pad,const cchar_t * cc)45 pecho_wchar(WINDOW *pad, const cchar_t *cc)
46 {
47 int code, dy, dx;
48
49 #ifdef M_CURSES_TRACE
50 __m_trace("pecho_wchar(%p, %p)", pad, cc);
51 #endif
52
53 /* Compute height and width of inclusive region. */
54 dy = pad->_smaxy - pad->_sminy;
55 dx = pad->_smaxx - pad->_sminx;
56
57 /* Is the logical cursor within the previously displayed region? */
58 if (pad->_cury < pad->_refy || pad->_curx < pad->_refx
59 || pad->_refy + dy < pad->_cury || pad->_refx + dx < pad->_curx)
60 return __m_return_code("pecho_wchar", ERR);
61
62 /* Add the character to the pad. */
63 if ((code = wadd_wch(pad, cc)) == OK) {
64 /* Redisplay previous region. */
65 code = prefresh(
66 pad, pad->_refy, pad->_refx,
67 pad->_sminy, pad->_sminx, pad->_smaxy, pad->_smaxx
68 );
69 }
70
71 return __m_return_code("pecho_wchar", code);
72 }
73