Qwt User's Guide 6.0.0
Public Member Functions

QwtPickerPolygonMachine Class Reference

A state machine for polygon selections. More...

#include <qwt_picker_machine.h>

Inheritance diagram for QwtPickerPolygonMachine:
Inheritance graph
[legend]

List of all members.

Public Member Functions

 QwtPickerPolygonMachine ()
virtual QList< Commandtransition (const QwtEventPattern &, const QEvent *)

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

Constructor & Destructor Documentation

QwtPickerPolygonMachine::QwtPickerPolygonMachine ( )

Constructor.


Member Function Documentation

QList< QwtPickerMachine::Command > QwtPickerPolygonMachine::transition ( const QwtEventPattern eventPattern,
const QEvent *  e 
) [virtual]

Transition.

Implements QwtPickerMachine.