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 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 /*LINTLIBRARY*/ 43 44 #include <sys/types.h> 45 #include "curses_inc.h" 46 47 /* Sync the changes in a window with its ancestors. */ 48 49 void 50 wsyncup(WINDOW *win) 51 { 52 short *wbch, *wech, *pbch, *pech, bch, ech; 53 int wy, px, py, endy; 54 WINDOW *par; 55 56 for (par = win->_parent; par != NULL; win = par, par = par->_parent) { 57 py = win->_pary; 58 px = win->_parx; 59 endy = win->_maxy; 60 61 wbch = win->_firstch; 62 wech = win->_lastch; 63 pbch = par->_firstch+ py; 64 pech = par->_lastch+ py; 65 66 /* 67 * I don't think we need check WINCHANGED first. 68 * The reasoning is that all internal calls will have come 69 * from a function that did change the window. And assumably 70 * all external calls will work the same way. 71 */ 72 par->_flags |= _WINCHANGED; 73 /* check each line */ 74 for (wy = 0; wy < endy; ++wy, ++wbch, ++wech, ++pbch, ++pech) 75 if (*wbch != _INFINITY) { 76 bch = px + *wbch; 77 ech = px + *wech; 78 if (*pbch > bch) 79 *pbch = bch; 80 if (*pech < ech) 81 *pech = ech; 82 } 83 } 84 } 85 86 void 87 wcursyncup(WINDOW *win) 88 { 89 WINDOW *par = win->_parent; 90 91 while (par != NULL) { 92 par->_cury = win->_cury + win->_pary; 93 par->_curx = win->_curx + win->_parx; 94 par = (win = par)->_parent; 95 } 96 } 97