79     bool setWidgetPreferences(int widgetId, const QVariantHash &data);

    79     bool setWidgetPreferences(int widgetId, const QVariantHash &data);

    80 

    80 

    81     bool configuration(QVariantHash &configuration);

    81     bool configuration(QVariantHash &configuration);

    82 

    82 

    83     bool updateWidgetZValues(const QHash<int, qreal> &data, Qt::Orientation orientation);

    83     bool updateWidgetZValues(const QHash<int, qreal> &data, Qt::Orientation orientation);

    84 

    86 

    85 public:

    87 public:

    86     static void setInstance(HsDatabase *instance);

    88     static void setInstance(HsDatabase *instance);

    87     static HsDatabase *instance();

    89     static HsDatabase *instance();

    88     static HsDatabase *takeInstance();

    90     static HsDatabase *takeInstance();