/**
 * @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:
    void    handleSelect() override;
    void    handleDeselect() override;
    bool    handleMouseDown(S32 x, S32 y, MASK mask) override;
    bool    handleHover(S32 x, S32 y, MASK mask) override;
    void    render() override;
    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