This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 12345678]

CSoQtCursor::CustomCursor	The SoQtCursor::CustomCursor class is used to specify bitmap data for SoQtCursor custom cursors
CSoQt	Takes care of Qt initialization and event dispatching
CSoQtCursor	Used to set cursors for GUI components
▼CSoQtObject	Common superclass for all SoQt component classes
▼CSoQtComponent	Base class for all GUI components
▼CSoQtGLWidget	Manages OpenGL contexts
▼CSoQtRenderArea	Adds scene graph handling and event management
▼CSoQtViewer	Top level base viewer class
▼CSoQtFullViewer	Adds some user interface components to the viewer canvas
▼CSoQtConstrainedViewer	Superclass for viewers with constrains on the viewpoint
CSoQtFlyViewer	Implements controls for moving the camera in a "flying" motion
CSoQtExaminerViewer	3D-model examination viewer
CSoQtPlaneViewer	For examining 3D models by moving the camera in orthogonal planes
▼CSoQtDevice	Base class for the translation devices
CSoQtKeyboard	Keyboard input device abstraction
CSoQtMouse	Mouse input device abstraction