1 /* $NetBSD: move.c,v 1.20 2019/05/20 22:17:41 blymn Exp $ */ 2 3 /* 4 * Copyright (c) 1981, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)move.c 8.2 (Berkeley) 5/4/94"; 36 #else 37 __RCSID("$NetBSD: move.c,v 1.20 2019/05/20 22:17:41 blymn Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include "curses.h" 42 #include "curses_private.h" 43 44 #ifndef _CURSES_USE_MACROS 45 /* 46 * move -- 47 * Moves the cursor to the given point on stdscr. 48 */ 49 int 50 move(int y, int x) 51 { 52 53 return _cursesi_wmove(stdscr, y, x, 1); 54 } 55 56 #endif 57 58 /* 59 * wmove -- 60 * Moves the cursor to the given point. 61 */ 62 int 63 wmove(WINDOW *win, int y, int x) 64 { 65 return _cursesi_wmove(win, y, x, 1); 66 } 67 68 69 /* 70 * _cursesi_wmove: 71 * Moves the cursor to the given point, if keep_old == 0 then 72 * update the old cursor position. 73 */ 74 int 75 _cursesi_wmove(WINDOW *win, int y, int x, int keep_old) 76 { 77 78 #ifdef DEBUG 79 __CTRACE(__CTRACE_MISC, "_cursesi_wmove: (%d, %d), keep_old: %d\n", y, x, keep_old); 80 #endif 81 if (x < 0 || y < 0) 82 return ERR; 83 if (x >= win->maxx || y >= win->maxy) 84 return ERR; 85 86 win->curx = x; 87 win->cury = y; 88 if (keep_old == 0) { 89 win->ocurx = x; 90 win->ocury = y; 91 } 92 93 return OK; 94 } 95 96 void 97 wcursyncup(WINDOW *win) 98 { 99 100 while (win->orig) { 101 _cursesi_wmove(win->orig, win->cury + win->begy - win->orig->begy, 102 win->curx + win->begx - win->orig->begx, 0); 103 win = win->orig; 104 } 105 } 106