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move.c revision 1.21 
      1 /*	$NetBSD: move.c,v 1.21 2019/06/09 07:40:14 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 1.21 2019/06/09 07:40:14 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 wmove(stdscr, y, x);
     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 #ifdef DEBUG
     66 	__CTRACE(__CTRACE_MISC, "wmove: (%d, %d)\n", y, x);
     67 #endif
     68 	if (x < 0 || y < 0)
     69 		return ERR;
     70 	if (x >= win->maxx || y >= win->maxy)
     71 		return ERR;
     72 
     73 	win->curx = x;
     74 	win->cury = y;
     75 
     76 	return OK;
     77 }
     78 
     79 void
     80 wcursyncup(WINDOW *win)
     81 {
     82 
     83 	while (win->orig) {
     84 		wmove(win->orig, win->cury + win->begy - win->orig->begy,
     85 		      win->curx + win->begx - win->orig->begx);
     86 		win = win->orig;
     87 	}
     88 }
     89