comparison data/model/DenseTimeValueModel.h @ 179:0ed2b2e26b44

* Tidy up inheritance hierarchy of model classes -- remove ZoomConstraint as
  a base class (make it a member instead) and remove virtual inheritances of
  QObject (no longer necessary).

 /**
  * Base class for models containing dense two-dimensional data (value
  * against time).  For example, audio waveform data.
  */
 
-class DenseTimeValueModel : public Model,
-			    virtual public QObject
+class DenseTimeValueModel : public Model
 {
     Q_OBJECT
 
 public:
     DenseTimeValueModel();