/*	$OpenBSD: m_pad.c,v 1.1 1997/12/03 05:31:24 millert Exp $	*/

/*-----------------------------------------------------------------------------+
|           The ncurses menu library is  Copyright (C) 1995-1997               |
|             by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de>                 |
|                          All Rights Reserved.                                |
|                                                                              |
| Permission to use, copy, modify, and distribute this software and its        |
| documentation for any purpose and without fee is hereby granted, provided    |
| that the above copyright notice appear in all copies and that both that      |
| copyright notice and this permission notice appear in supporting             |
| documentation, and that the name of the above listed copyright holder(s) not |
| be used in advertising or publicity pertaining to distribution of the        |
| software without specific, written prior permission.                         | 
|                                                                              |
| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO  |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-  |
| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR   |
| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH    |
| THE USE OR PERFORMANCE OF THIS SOFTWARE.                                     |
+-----------------------------------------------------------------------------*/

/***************************************************************************
* Module m_pad                                                             *
* Control menus padding character                                          *
***************************************************************************/

#include "menu.priv.h"

MODULE_ID("Id: m_pad.c,v 1.1 1997/10/21 08:48:28 juergen Exp $")

/* Macro to redraw menu if it is posted and changed */
#define Refresh_Menu(menu) \
   if ( (menu) && ((menu)->status & _POSTED) )\
   {\
      _nc_Draw_Menu( menu );\
      _nc_Show_Menu( menu );\
   }

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu  
|   Function      :  int set_menu_pad(MENU *menu, int pad)
|   
|   Description   :  Set the character to be used to separate the item name
|                    from its description. This must be a printable 
|                    character.
|
|   Return Values :  E_OK              - success
|                    E_BAD_ARGUMENT    - an invalid value has been passed
+--------------------------------------------------------------------------*/
int set_menu_pad(MENU *menu, int pad)
{
  bool do_refresh = (menu != (MENU*)0);

  if (!isprint((unsigned char)pad))
    RETURN(E_BAD_ARGUMENT);
  
  Normalize_Menu( menu );
  menu->pad = pad;
  
  if (do_refresh)
      Refresh_Menu( menu );

  RETURN(E_OK);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu  
|   Function      :  int menu_pad(const MENU *menu)
|   
|   Description   :  Return the value of the padding character
|
|   Return Values :  The pad character
+--------------------------------------------------------------------------*/
int menu_pad(const MENU * menu)
{
  return (Normalize_Menu( menu ) -> pad);
}

/* m_pad.c ends here */