GObject
        GInitiallyUnowned
            HDConfigFile
            GtkObject
                GtkWidget
                    GtkContainer
                        GtkBin
                            GtkWindow
                                HDHomePluginItem
                            HDStatusPluginItem
                                HDStatusMenuItem
        HDNotification
        HDPluginConfiguration
            HDPluginManager
        HDPluginLoader
            HDPluginLoaderDefault
        HDPluginLoaderFactory
        GTypeModule
            HDPluginModule
        HDShortcuts
    GInterface
        HDPluginItem
        HDNotificationPlugin