usr/src/lib/libeti/menu/common/menucursor.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 /*      Copyright (c) 1988 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 /*
  27  * Copyright (c) 1997, by Sun Mircrosystems, Inc.
  28  * All rights reserved.
  29  */
  30
  31 #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.5   */
  32
  33 /*LINTLIBRARY*/
  34
  35 #include <sys/types.h>
  36 #include "private.h"
  37
  38 /* Position the cursor in the user's subwindow. */
  39
  40 void
  41 _position_cursor(MENU *m)
  42 {
  43         int y, x;
  44         WINDOW *us, *uw;
  45
  46         if (Posted(m)) {
  47                 /* x and y represent the position in our subwindow */
  48                 y = Y(Current(m)) - Top(m);
  49                 x = X(Current(m))*(Itemlen(m)+1);
  50
  51                 if (ShowMatch(m)) {
  52                         if (Pindex(m)) {
  53                                 x += Pindex(m) + Marklen(m) - 1;
  54                         }
  55                 }
  56
  57                 uw = UW(m);
  58                 us = US(m);
  59                 (void) wmove(us, y, x);
  60
  61                 if (us != uw) {
  62                         wcursyncup(us);
  63                         wsyncup(us);
  64                         /*
  65                          * The next statement gets around some aberrant
  66                          * behavior in curses. The subwindow is never being
  67                          * untouched and this results in the parent window
  68                          * being touched every time a syncup is done.
  69                          */
  70                         (void) untouchwin(us);
  71                 }
  72         }
  73 }
  74
  75 int
  76 pos_menu_cursor(MENU *m)
  77 {
  78         if (!m) {
  79                 return (E_BAD_ARGUMENT);
  80         }
  81         if (!Posted(m)) {
  82                 return (E_NOT_POSTED);
  83         }
  84         _position_cursor(m);
  85         return (E_OK);
  86 }