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 /*LINTLIBRARY*/ 32 33 #include <sys/types.h> 34 #include "curses_inc.h" 35 36 /* 37 * Move(cury, curx) of win to(y, x). 38 * It is guaranteed that the cursor is left at the start 39 * of a whole character nearest to(y, x). 40 */ 41 42 int 43 wmbmove(WINDOW *win, int y, int x) 44 { 45 chtype *wcp, *wp, *ep; 46 47 if (y < 0 || x < 0 || y >= win->_maxy || x >= win->_maxx) 48 return (ERR); 49 50 if (_scrmax > 1) { 51 wcp = win->_y[y]; 52 wp = wcp + x; 53 ep = wcp + win->_maxx; 54 55 /* make wp points to the start of a character */ 56 if (ISCBIT(*wp)) { 57 for (; wp >= wcp; --wp) 58 if (!ISCBIT(*wp)) 59 break; 60 if (wp < wcp) { 61 wp = wcp+x+1; 62 for (; wp < ep; ++wp) 63 if (!ISCBIT(*wp)) 64 break; 65 } 66 } 67 68 /* make sure that the character is whole */ 69 if (wp + _curs_scrwidth[TYPE(*wp)] > ep) 70 return (ERR); 71 72 /* the new x position */ 73 /*LINTED*/ 74 x = (int)(wp - wcp); 75 } 76 77 if (y != win->_cury || x != win->_curx) { 78 win->_nbyte = -1; 79 /*LINTED*/ 80 win->_cury = (short)y; 81 /*LINTED*/ 82 win->_curx = (short)x; 83 } 84 85 return (win->_immed ? wrefresh(win) : OK); 86 } 87