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#ifndef QFXANCHORS_P_H
#define QFXANCHORS_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qfxanchors.h"
#include "private/qobject_p.h"


QT_BEGIN_NAMESPACE
class QFxAnchorsPrivate : public QObjectPrivate
{
    Q_DECLARE_PUBLIC(QFxAnchors)
public:
    QFxAnchorsPrivate()
      : updatingMe(false), updatingHorizontalAnchor(false), 
        updatingVerticalAnchor(false), item(0), usedAnchors(0), fill(0), 
        centeredIn(0), leftMargin(0), rightMargin(0), topMargin(0), 
        bottomMargin(0), vCenterOffset(0), hCenterOffset(0)
    {
    }

    void init()
    {
    }

    void clearItem(QFxItem *);

    void addDepend(QFxItem *);
    void remDepend(QFxItem *);
    bool isItemComplete() const;

    bool updatingMe:1;
    bool updatingHorizontalAnchor:1;
    bool updatingVerticalAnchor:1;

    void setItemHeight(qreal);
    void setItemWidth(qreal);
    void setItemX(qreal);
    void setItemY(qreal);
    void setItemPos(const QPointF &);

    void updateOnComplete();
    void updateMe();
    void update(QFxItem *, const QRectF &, const QRectF &);

    bool checkHValid() const;
    bool checkVValid() const;
    bool checkHAnchorValid(QFxAnchorLine anchor) const;
    bool checkVAnchorValid(QFxAnchorLine anchor) const;
    bool calcStretch(const QFxAnchorLine &edge1, const QFxAnchorLine &edge2, int offset1, int offset2, QFxAnchorLine::AnchorLine line, int &stretch);

    void updateHorizontalAnchors();
    void updateVerticalAnchors();
    void fillChanged();
    void centeredInChanged();

    QFxItem *item;
    QFxAnchors::UsedAnchors usedAnchors;

    QFxItem *fill;
    QFxItem *centeredIn;

    QFxAnchorLine left;
    QFxAnchorLine right;
    QFxAnchorLine top;
    QFxAnchorLine bottom;
    QFxAnchorLine vCenter;
    QFxAnchorLine hCenter;

    int leftMargin;
    int rightMargin;
    int topMargin;
    int bottomMargin;
    int vCenterOffset;
    int hCenterOffset;

};

QT_END_NAMESPACE
#endif