+ virtual bool event(QEvent *event);
+ virtual void mouseMoveEvent(QMouseEvent *event);
+ virtual void mousePressEvent(QMouseEvent *event);
+
+#if QT_VERSION < 0x050000
+ virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
+#else
+ virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles);
+#endif