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/** 
 * @file qtoolalign.h
 * @brief A tool to align objects
 * @author Karl Stiefvater (Qarl)
 *
 * Karl has given permission to use this code under the terms of
 * the GNU GPL v2 plus FLOSS exception and/or the GNU LGPL v2.1.
 *
 * Backported for Viewer 1.X code base by Jacek Antonelli.
 */

#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>
{
public:
	QToolAlign();
	virtual ~QToolAlign();

	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();

	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