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 /*LINTLIBRARY*/ 41 42 #include <sys/types.h> 43 #include "curses_inc.h" 44 45 /* Sync the changes in a window with its ancestors. */ 46 47 void 48 wsyncup(WINDOW *win) 49 { 50 short *wbch, *wech, *pbch, *pech, bch, ech; 51 int wy, px, py, endy; 52 WINDOW *par; 53 54 for (par = win->_parent; par != NULL; win = par, par = par->_parent) { 55 py = win->_pary; 56 px = win->_parx; 57 endy = win->_maxy; 58 59 wbch = win->_firstch; 60 wech = win->_lastch; 61 pbch = par->_firstch+ py; 62 pech = par->_lastch+ py; 63 64 /* 65 * I don't think we need check WINCHANGED first. 66 * The reasoning is that all internal calls will have come 67 * from a function that did change the window. And assumably 68 * all external calls will work the same way. 69 */ 70 par->_flags |= _WINCHANGED; 71 /* check each line */ 72 for (wy = 0; wy < endy; ++wy, ++wbch, ++wech, ++pbch, ++pech) 73 if (*wbch != _INFINITY) { 74 bch = px + *wbch; 75 ech = px + *wech; 76 if (*pbch > bch) 77 *pbch = bch; 78 if (*pech < ech) 79 *pech = ech; 80 } 81 } 82 } 83 84 void 85 wcursyncup(WINDOW *win) 86 { 87 WINDOW *par = win->_parent; 88 89 while (par != NULL) { 90 par->_cury = win->_cury + win->_pary; 91 par->_curx = win->_curx + win->_parx; 92 par = (win = par)->_parent; 93 } 94 } 95