/****************************************************************************
 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
 *                                                                          *
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 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
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 * holders shall not be used in advertising or otherwise to promote the     *
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 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
 ****************************************************************************/

/***************************************************************************
* Module m_sub                                                             *
* Menus subwindow association routines                                     *
***************************************************************************/

#include "menu.priv.h"

MODULE_ID("$Id: m_sub.c,v 1.4 1999/05/16 17:28:20 juergen Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu  
|   Function      :  int set_menu_sub(MENU *menu, WINDOW *win)
|   
|   Description   :  Sets the subwindow of the menu.
|
|   Return Values :  E_OK           - success
|                    E_POSTED       - menu is already posted
+--------------------------------------------------------------------------*/
int set_menu_sub(MENU *menu, WINDOW *win)
{
  if (menu)
    {
      if ( menu->status & _POSTED )
	RETURN(E_POSTED);
      menu->usersub = win;
      _nc_Calculate_Item_Length_and_Width(menu);
    }
  else
    _nc_Default_Menu.usersub = win;
  
  RETURN(E_OK);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu  
|   Function      :  WINDOW *menu_sub(const MENU *menu)
|   
|   Description   :  Returns a pointer to the subwindow of the menu
|
|   Return Values :  NULL on error, otherwise a pointer to the window
+--------------------------------------------------------------------------*/
WINDOW *menu_sub(const MENU * menu)
{
  const MENU* m = Normalize_Menu(menu);
  return Get_Menu_Window(m);
}

/* m_sub.c ends here */