// Modified by Yen-Ju Chen <yjchenx@hotmail.com>
/* CalcFace.h: Frontend of Calculator.app

   Copyright (C) 1999 Free Software Foundation, Inc.

   Author:  Nicola Pero <n.pero@mi.flashnet.it>
   Date: 1999
   
   This file is part of GNUstep.
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
*/

#ifndef _Toolbox_Calculator_H_CalcFace
#define _Toolbox_Calculator_H_CalcFace

#include "CalcTypes.h"
#include <AppKit/NSView.h>

@class CalcBrain;
@class NSButton;
@class NSTextField;

@interface CalcFace: NSView
{  
  NSButton *buttons[18];
  NSTextField *display;
}
// Set the corresponding brain
-(void) setBrain: (CalcBrain *)aBrain;
// Display a number
-(void) setDisplayedNumber: (double)aNumber 
             withSeparator: (BOOL)displayDecimalSeparator
          fractionalDigits: (int)fractionalDigits;
// Tell the user a calculation error occurred
-(void) setError;
@end

#endif /* _Toolbox_Calculator_H_CalcFace */