usr/src/lib/libeti/menu/common/menuformat.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 1.8   */
  32
  33 /*LINTLIBRARY*/
  34
  35 #include <sys/types.h>
  36 #include "private.h"
  37
  38 int
  39 set_menu_format(MENU *m, int rows, int cols)
  40 {
  41         if (rows < 0 || cols < 0) {
  42                 return (E_BAD_ARGUMENT);
  43         }
  44         if (m) {
  45                 if (Posted(m)) {
  46                         return (E_POSTED);
  47                 }
  48                 if (rows == 0) {
  49                         rows = FRows(m);
  50                 }
  51                 if (cols == 0) {
  52                         cols = FCols(m);
  53                 }
  54
  55                 /* The pattern buffer is allocated after items have been */
  56                 /* connected */
  57                 if (Pattern(m)) {
  58                         IthPattern(m, 0) = '\0';
  59                         Pindex(m) = 0;
  60                 }
  61
  62                 FRows(m) = rows;
  63                 FCols(m) = cols;
  64                 Cols(m) = min(cols, Nitems(m));
  65                 Rows(m) = (Nitems(m)-1) / cols + 1;
  66                 Height(m) = min(rows, Rows(m));
  67                 Top(m) = 0;
  68                 Current(m) = IthItem(m, 0);
  69                 SetLink(m);
  70                 _scale(m);
  71         } else {
  72                 if (rows > 0) {
  73                         FRows(Dfl_Menu) = rows;
  74                 }
  75                 if (cols > 0) {
  76                         FCols(Dfl_Menu) = cols;
  77                 }
  78         }
  79         return (E_OK);
  80 }
  81
  82 void
  83 menu_format(MENU *m, int *rows, int *cols)
  84 {
  85         if (m) {
  86                 *rows = FRows(m);
  87                 *cols = FCols(m);
  88         } else {
  89                 *rows = FRows(Dfl_Menu);
  90                 *cols = FCols(Dfl_Menu);
  91         }
  92 }