Qwt User's Guide  6.1.3
QwtPickerTrackerMachine Class Reference

A state machine for indicating mouse movements. More...

#include <qwt_picker_machine.h>

Inheritance diagram for QwtPickerTrackerMachine:

Public Member Functions

 QwtPickerTrackerMachine ()
 Constructor.
 
virtual QList< Commandtransition (const QwtEventPattern &, const QEvent *)
 Transition.
 
- Public Member Functions inherited from QwtPickerMachine
 QwtPickerMachine (SelectionType)
 Constructor.
 
virtual ~QwtPickerMachine ()
 Destructor.
 
void reset ()
 Set the current state to 0.
 
int state () const
 Return the current state.
 
void setState (int)
 Change the current state.
 
SelectionType selectionType () const
 Return the selection type.
 

Additional Inherited Members

- Public Types inherited from QwtPickerMachine
enum  SelectionType { NoSelection = -1, PointSelection, RectSelection, PolygonSelection }
 
enum  Command {
  Begin, Append, Move, Remove,
  End
}
 Commands - the output of a state machine.
 

Detailed Description

A state machine for indicating mouse movements.

QwtPickerTrackerMachine supports displaying information corresponding to mouse movements, but is not intended for selecting anything. Begin/End are related to Enter/Leave events.