91     QSizeF itemSpacing() const;

    91     QSizeF itemSpacing() const;

    92 

    92 

    93     Qt::Orientation scrollDirection() const;

    93     Qt::Orientation scrollDirection() const;

    94     qreal scrollPosition() const;

    94     qreal scrollPosition() const;

    95 

    95 

    96 signals:

    98 signals:

    97 

    99 

    98     // emit this signal when scrolling. for example scrollbar can be connected to this signal.

   100     // emit this signal when scrolling. for example scrollbar can be connected to this signal.

    99     void scrollPositionChanged(qreal value, bool scrollBarAnimation);

   101     void scrollPositionChanged(qreal value, bool scrollBarAnimation);

   100     void centerItemChanged(const QModelIndex &index);

   102     void centerItemChanged(const QModelIndex &index);

   117 protected: // from HgMediaWallDataProvider

   119 protected: // from HgMediaWallDataProvider

   118 

   120 

   119     int imageCount() const;

   121     int imageCount() const;

   120     const HgImage *image(int index) const;

   122     const HgImage *image(int index) const;

   121     int flags(int index) const;

   123     int flags(int index) const;

   123 

   125 

   124 protected: // events

   126 protected: // events

   125 

   127 

   126     virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

   128     virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

   127 

   129 

   137     virtual qreal getCameraDistance(qreal springVelocity);

   139     virtual qreal getCameraDistance(qreal springVelocity);

   138     virtual qreal getCameraRotationY(qreal springVelocity);

   140     virtual qreal getCameraRotationY(qreal springVelocity);

   139     virtual void handleTapAction(const QPointF& pos, HgWidgetItem* hitItem, int hitItemIndex);

   141     virtual void handleTapAction(const QPointF& pos, HgWidgetItem* hitItem, int hitItemIndex);

   140     virtual void handleLongTapAction(const QPointF& pos, HgWidgetItem* hitItem, int hitItemIndex);

   142     virtual void handleLongTapAction(const QPointF& pos, HgWidgetItem* hitItem, int hitItemIndex);

   141     virtual void onScrollPositionChanged(qreal pos);

   143     virtual void onScrollPositionChanged(qreal pos);

   143 protected:

   146 protected:

   144 

   147 

   145     enum ItemActionType

   148     enum ItemActionType

   146     {

   149     {

   147         LongTap = 1,

   150         LongTap = 1,

   220     QSizeF mUserItemSpacing;

   223     QSizeF mUserItemSpacing;

   221 

   224 

   222     Qt::Orientation mOrientation;

   225     Qt::Orientation mOrientation;

   223     QModelIndex mDelayedScrollToIndex;

   226     QModelIndex mDelayedScrollToIndex;

   224     bool mIgnoreGestureAction;

   227     bool mIgnoreGestureAction;

   225 };

   229 };

   226 

   230 

   227 #endif

   231 #endif