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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * pecho_wc.c 31 * 32 * XCurses Library 33 * 34 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. 35 * 36 */ 37 38 #if M_RCSID 39 #ifndef lint 40 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/pecho_wc.c 1.1 1995/06/20 13:31:51 ant Exp $"; 41 #endif 42 #endif 43 44 #include <private.h> 45 46 int 47 pecho_wchar(WINDOW *pad, const cchar_t *cc) 48 { 49 int code, dy, dx; 50 51 #ifdef M_CURSES_TRACE 52 __m_trace("pecho_wchar(%p, %p)", pad, cc); 53 #endif 54 55 /* Compute height and width of inclusive region. */ 56 dy = pad->_smaxy - pad->_sminy; 57 dx = pad->_smaxx - pad->_sminx; 58 59 /* Is the logical cursor within the previously displayed region? */ 60 if (pad->_cury < pad->_refy || pad->_curx < pad->_refx 61 || pad->_refy + dy < pad->_cury || pad->_refx + dx < pad->_curx) 62 return __m_return_code("pecho_wchar", ERR); 63 64 /* Add the character to the pad. */ 65 if ((code = wadd_wch(pad, cc)) == OK) { 66 /* Redisplay previous region. */ 67 code = prefresh( 68 pad, pad->_refy, pad->_refx, 69 pad->_sminy, pad->_sminx, pad->_smaxy, pad->_smaxx 70 ); 71 } 72 73 return __m_return_code("pecho_wchar", code); 74 } 75