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    41 

    42 #ifndef QGRAPHICSLAYOUTITEM_P_H

    43 #define QGRAPHICSLAYOUTITEM_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists for the convenience

    50 // of other Qt classes.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include <QtCore/QSizeF>

    57 #include <QtGui/QSizePolicy>

    58 

    59 QT_BEGIN_NAMESPACE

    60 

    61 class QGraphicsLayoutItem;

    62 class Q_AUTOTEST_EXPORT QGraphicsLayoutItemPrivate

    63 {

    64     Q_DECLARE_PUBLIC(QGraphicsLayoutItem)

    65 public:

    66     virtual ~QGraphicsLayoutItemPrivate();

    67     QGraphicsLayoutItemPrivate(QGraphicsLayoutItem *parent, bool isLayout);

    68     void init();

    69     QSizeF *effectiveSizeHints(const QSizeF &constraint) const;

    70     QGraphicsItem *parentItem() const;

    71     void ensureUserSizeHints();

    72     void setSize(Qt::SizeHint which, const QSizeF &size);

    73     enum SizeComponent { Width, Height };

    74     void setSizeComponent(Qt::SizeHint which, SizeComponent component, qreal value);

    75 

    76     QSizePolicy sizePolicy;

    77     QGraphicsLayoutItem *parent;

    78 

    79     QSizeF *userSizeHints;

    80     mutable QSizeF cachedSizeHints[Qt::NSizeHints];

    81     mutable QSizeF cachedConstraint;

    82 

    83     mutable quint32 sizeHintCacheDirty : 1;

    84     quint32 isLayout : 1;

    85     quint32 ownedByLayout : 1;

    86 

    87     QGraphicsLayoutItem *q_ptr;

    88     QRectF geom;

    89     QGraphicsItem *graphicsItem;

    90 };

    91 

    92 QT_END_NAMESPACE

    93 

    94 #endif //QGRAPHICSLAYOUTITEM_P_H

    95