/** 
 * @file qtoolalign.h
 * @brief A tool to align objects
 */

#ifndef Q_QTOOLALIGN_H
#define Q_QTOOLALIGN_H

#include "lltool.h"
#include "llbbox.h"

class LLViewerObject;
class LLPickInfo;
class LLToolSelectRect;

class QToolAlign : public LLTool, public LLSingleton<QToolAlign>
{
	LLSINGLETON(QToolAlign);
	virtual ~QToolAlign();

public:
	virtual void	handleSelect();
	virtual void	handleDeselect();
	virtual BOOL	handleMouseDown(S32 x, S32 y, MASK mask);
	virtual BOOL	handleHover(S32 x, S32 y, MASK mask);
	virtual void	render();
	virtual BOOL	canAffectSelection();

	static void pickCallback(const LLPickInfo& pick_info);

private:
	void			align();
	void			computeManipulatorSize();
	void			renderManipulators();
	BOOL			findSelectedManipulator(S32 x, S32 y);

	LLBBox			mBBox;
	F32				mManipulatorSize;
	S32				mHighlightedAxis;
	F32				mHighlightedDirection;
	BOOL			mForce;
};

#endif // Q_QTOOLALIGN_H
