/*
 * Copyright 2007-2008, Christof Lutteroth, lutteroth@cs.auckland.ac.nz
 * Copyright 2007-2008, James Kim, jkim202@ec.auckland.ac.nz
 * Distributed under the terms of the MIT License.
 */

#ifndef	X_TAB_H
#define	X_TAB_H

#include "Variable.h"


namespace BALM {
	
class BALMLayout;

/**
 * Vertical grid line (x-tab).
 */
class XTab : public Variable {
	
protected:
						XTab(BALMLayout* ls);

protected:
	/**
	 * Property signifying if there is a constraint which relates
	 * this tab to a different tab that is further to the left.
	 * Only used for reverse engineering.
	 */
	bool				fLeftLink;

public:
	friend class			Area;
	friend class			Column;
	friend class			BALMLayout;

};

}	// namespace BALM

using BALM::XTab;

#endif	// X_TAB_H