usr/src/lib/libcurses/screen/wmove.c

   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 #pragma ident   "%Z%%M% %I%     %E% SMI"
  41
  42 /*LINTLIBRARY*/
  43
  44 #include        <sys/types.h>
  45 #include        "curses_inc.h"
  46
  47 /* This routine moves the cursor to the given point */
  48
  49 int
  50 wmove(WINDOW *win, int y, int x)
  51 {
  52 #ifdef  DEBUG
  53         if (outf) {
  54                 fprintf(outf, "MOVE to win ");
  55                 if (win == stdscr)
  56                         fprintf(outf, "stdscr ");
  57                 else
  58                         fprintf(outf, "%o ", win);
  59                 fprintf(outf, "(%d, %d)\n", y, x);
  60         }
  61 #endif  /* DEBUG */
  62         if (x < 0 || y < 0 || x >= win->_maxx || y >= win->_maxy)
  63                 return (ERR);
  64
  65         if (y != win->_cury || x != win->_curx)
  66                 win->_nbyte = -1;
  67
  68         /* LINTED */
  69         win->_curx = (short) x;
  70         /* LINTED */
  71         win->_cury = (short) y;
  72         win->_flags |= _WINMOVED;
  73         return (win->_immed ? wrefresh(win) : OK);
  74 }