Qwt User's Guide  5.2.3
Public Member Functions
QwtPickerPolygonMachine Class Reference

#include <qwt_picker_machine.h>

Inheritance diagram for QwtPickerPolygonMachine:
Inheritance graph
[legend]

List of all members.

Public Member Functions

virtual CommandList transition (const QwtEventPattern &, const QEvent *)
- Public Member Functions inherited from QwtPickerMachine
virtual ~QwtPickerMachine ()
void reset ()
void setState (int)
int state () const

Additional Inherited Members

- Public Types inherited from QwtPickerMachine
enum  Command {
  Begin,
  Append,
  Move,
  End
}
typedef QList< CommandCommandList
- Protected Member Functions inherited from QwtPickerMachine
 QwtPickerMachine ()

Detailed Description

A state machine for polygon selections.

Pressing QwtEventPattern::MouseSelect1 or QwtEventPattern::KeySelect1 starts the selection and selects the first point, or appends a point. Pressing QwtEventPattern::MouseSelect2 or QwtEventPattern::KeySelect2 appends the last point and terminates the selection.

See also:
QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode