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