BaseObject
  +-ActionListener
  `-BaseWidget
      +-Label
      +-ImageLabel
      +-Bin
      |  +-Alignment
      |  +-ButtonBase
      |  |  +-Button
      |  |  +-ImageButton
      |  |  +-ToggleButton
      |  |     +-CheckButton
      |  |     `-RadioButton
      |  |
      |  +-ScrolledWindow
      |  |  `-ScrolledList
      |  |     `-FileList
      |  |
      |  +-ViewPort
      |  |  `-ListViewPort
      |  |
      |  `-Window
      |     `-DialogWindow
      |        `-GenericDialog
      |           `-FileDialog
      +-Container
      |  +-Box
      |  +-Frame
      |  |  +-HFrame
      |  |  `-VFrame
      |  `-Table
      |
      +-Diagram
      |  `-Graph2D
      |
      +-Editable
      |  `-Entry
      |
      +-Range
      |  +-Scale
      |  |  +-HScale
      |  |  `-VScale
      |  |
      |  `-ScrollBar
      |     +-HscrolBar
      |     `-VScrollBar
      |
      +-ImageMap
      +-ProgressBar
      +-StatusBar
      `-TooltipWindow