GObject
        GInitiallyUnowned
            GtkObject
                GtkWidget
                    GtkContainer
                        GtkBox
                            GtkHBox
                                GtkComboButton
                                    GtkBorderCombo
                                    GtkColorCombo
                                    GtkToggleCombo
                        GtkBin
                            GtkWindow
                                GtkCharSelection
                                GtkIconFileSel
                            GtkButton
                                GtkToggleButton
                                    GtkCheckItem
                        GtkTextView
                            GtkDataTextView
                        GtkCList
                            GtkCTree
                                GtkDirTree
                        GtkFixed
                            GtkIconList
                                GtkFileList
                            GtkPlotCanvas
                        GtkToolbar
                            GtkFontCombo
                        GtkSheet
                    GtkEntry
                        GtkDataEntry
                        GtkItemEntry
                    GtkMisc
                        GtkPlot
                            GtkPlot3D
                            GtkPlotPolar
                    GtkPlotData
                        GtkPlotBar
                        GtkPlotBox
                        GtkPlotBubble
                        GtkPlotCandle
                        GtkPlotSurface
                            GtkPlotCSurface
                        GtkPlotFlux
                        GtkPlotPixmap
                        GtkPlotSegment
                    GtkSheetColumn
                GtkPlotPC
                    GtkPlotCairo
                    GtkPlotGdk
                    GtkPlotPS
                GtkPlotCanvasChild
                    GtkPlotCanvasEllipse
                    GtkPlotCanvasPixmap
                    GtkPlotCanvasPlot
                    GtkPlotCanvasRectangle
                    GtkPlotCanvasText
                GtkPlotDT
                GtkPlotAxis
        GtkPlotArray