//
//  MPExpressionLayout.h
//  MathPad
//
//  Created by Kim Wittenburg on 07.08.14.
//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
//

@import Cocoa;
#import "MPLayout.h"
#import "MPExpression.h"
#import "MPFunctionLayout.h"

#define kMPEmptyBoxWidth (self.usesSmallSize ? 2.0 : 3.0)
#define kMPEmptyBoxHeight (CTFontGetDescent((CTFontRef)self.font) + CTFontGetAscent((CTFontRef)self.font) + CTFontGetLeading((CTFontRef)self.font))
#define kMPEmptyBoxYOrigin (-(CTFontGetDescent((CTFontRef)self.font) + CTFontGetLeading((CTFontRef)self.font)))

@interface MPExpressionLayout : MPLayout

- (instancetype)initWithExpression:(MPExpression *)expression
                            parent:(MPFunctionLayout *)parent;

@property (readonly, nonatomic, weak) MPExpression *expression;

@end