m_pad.c revision 50276 
1/****************************************************************************
2 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
3 *                                                                          *
4 * Permission is hereby granted, free of charge, to any person obtaining a  *
5 * copy of this software and associated documentation files (the            *
6 * "Software"), to deal in the Software without restriction, including      *
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9 * copies of the Software, and to permit persons to whom the Software is    *
10 * furnished to do so, subject to the following conditions:                 *
11 *                                                                          *
12 * The above copyright notice and this permission notice shall be included  *
13 * in all copies or substantial portions of the Software.                   *
14 *                                                                          *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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24 * holders shall not be used in advertising or otherwise to promote the     *
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26 * authorization.                                                           *
27 ****************************************************************************/
28
29/****************************************************************************
30 *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
31 ****************************************************************************/
32
33/***************************************************************************
34* Module m_pad                                                             *
35* Control menus padding character                                          *
36***************************************************************************/
37
38#include "menu.priv.h"
39
40MODULE_ID("$Id: m_pad.c,v 1.4 1999/05/16 17:27:17 juergen Exp $")
41
42/* Macro to redraw menu if it is posted and changed */
43#define Refresh_Menu(menu) \
44   if ( (menu) && ((menu)->status & _POSTED) )\
45   {\
46      _nc_Draw_Menu( menu );\
47      _nc_Show_Menu( menu );\
48   }
49
50/*---------------------------------------------------------------------------
51|   Facility      :  libnmenu
52|   Function      :  int set_menu_pad(MENU *menu, int pad)
53|
54|   Description   :  Set the character to be used to separate the item name
55|                    from its description. This must be a printable
56|                    character.
57|
58|   Return Values :  E_OK              - success
59|                    E_BAD_ARGUMENT    - an invalid value has been passed
60+--------------------------------------------------------------------------*/
61int set_menu_pad(MENU *menu, int pad)
62{
63  bool do_refresh = (menu != (MENU*)0);
64
65  if (!isprint((unsigned char)pad))
66    RETURN(E_BAD_ARGUMENT);
67
68  Normalize_Menu( menu );
69  menu->pad = pad;
70
71  if (do_refresh)
72      Refresh_Menu( menu );
73
74  RETURN(E_OK);
75}
76
77/*---------------------------------------------------------------------------
78|   Facility      :  libnmenu
79|   Function      :  int menu_pad(const MENU *menu)
80|
81|   Description   :  Return the value of the padding character
82|
83|   Return Values :  The pad character
84+--------------------------------------------------------------------------*/
85int menu_pad(const MENU * menu)
86{
87  return (Normalize_Menu( menu ) -> pad);
88}
89
90/* m_pad.c ends here */
91