GtkObject +-- GtkData , \-- GtkAdjustment , \-- GtkWidget +-- GtkContainer , +-- GtkBin , , +-- GtkAlignment , , +-- GtkFrame , , , *-- GtkAspectFrame , , , , , +-- GtkItem , , , +-- GtkListItem , , , +-- GtkMenuItem , , , , +-- GtkCheckMenuItem , , , , *-- GtkRadioMenuItem , , , , , , , *-- GtkTreeItem , , , , , +-- GtkViewport , , \-- GtkWindow , , +-- GtkDialog , , \-- GtkFileSelection , , , +-- GtkBox , , +-- GtkHBox , , \-- GtkVBox , , +-- GtkColorSelection , , \-- GtkCurve , , , +-- GtkButton , , +-- GtkOptionMenu , , \-- GtkToggleButton , , \-- GtkCheckButton , , \-- GtkRadioButton , , , +-- GtkList , +-- GtkMenuShell , , +-- GtkMenu , , \-- GtkMenuBar , , , +-- GtkNotebook , +-- GtkScrolledWindow , +-- GtkTable , \-- GtkTree , +-- GtkDrawingArea +-- GtkEntry +-- GtkMisc , +-- GtkArrow , +-- GtkImage , +-- GtkLabel , \-- GtkPixmap , +-- GtkPreview +-- GtkProgressBar +-- GtkRange , +-- GtkScale , , +-- GtkHScale , , \-- GtkVScale , , , \-- GtkScrollbar , +-- GtkHScrollbar , \-- ...