/*	$OpenBSD: m_scale.c,v 1.1 1997/12/03 05:31:26 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_scale                                                           *
* Menu scaling routine                                                     *
***************************************************************************/

#include "menu.priv.h"

MODULE_ID("Id: m_scale.c,v 1.1 1997/10/21 08:44:31 juergen Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnmenu  
|   Function      :  int scale_menu(const MENU *menu)
|   
|   Description   :  Returns the minimum window size necessary for the
|                    subwindow of menu.  
|
|   Return Values :  E_OK                  - success
|                    E_BAD_ARGUMENT        - invalid menu pointer
|                    E_NOT_CONNECTED       - no items are connected to menu
+--------------------------------------------------------------------------*/
int scale_menu(const MENU *menu, int *rows, int *cols)
{
  if (!menu) 
    RETURN( E_BAD_ARGUMENT );
  
  if (menu->items && *(menu->items))
    {
      if (rows)
	*rows = menu->height;
      if (cols)
	*cols = menu->width;
      RETURN(E_OK);
    }
  else
    RETURN( E_NOT_CONNECTED );
}

/* m_scale.c ends here */