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 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1997, by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include "curses_inc.h" 37 38 /* 39 * Move(cury, curx) of win to(y, x). 40 * It is guaranteed that the cursor is left at the start 41 * of a whole character nearest to(y, x). 42 */ 43 44 int 45 wmbmove(WINDOW *win, int y, int x) 46 { 47 chtype *wcp, *wp, *ep; 48 49 if (y < 0 || x < 0 || y >= win->_maxy || x >= win->_maxx) 50 return (ERR); 51 52 if (_scrmax > 1) { 53 wcp = win->_y[y]; 54 wp = wcp + x; 55 ep = wcp + win->_maxx; 56 57 /* make wp points to the start of a character */ 58 if (ISCBIT(*wp)) { 59 for (; wp >= wcp; --wp) 60 if (!ISCBIT(*wp)) 61 break; 62 if (wp < wcp) { 63 wp = wcp+x+1; 64 for (; wp < ep; ++wp) 65 if (!ISCBIT(*wp)) 66 break; 67 } 68 } 69 70 /* make sure that the character is whole */ 71 if (wp + _curs_scrwidth[TYPE(*wp)] > ep) 72 return (ERR); 73 74 /* the new x position */ 75 /*LINTED*/ 76 x = (int)(wp - wcp); 77 } 78 79 if (y != win->_cury || x != win->_curx) { 80 win->_nbyte = -1; 81 /*LINTED*/ 82 win->_cury = (short)y; 83 /*LINTED*/ 84 win->_curx = (short)x; 85 } 86 87 return (win->_immed ? wrefresh(win) : OK); 88 } 89