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QwtPickerPolygonMachine(3) Qwt User's Guide QwtPickerPolygonMachine(3)

NAME

QwtPickerPolygonMachine -
A state machine for polygon selections.

SYNOPSIS

#include <qwt_picker_machine.h>
Inherits QwtPickerMachine.

Public Member Functions


QwtPickerPolygonMachine ()
 
virtual QList< Command > transition (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.

Author

Generated automatically by Doxygen for Qwt User's Guide from the source code.
Fri Apr 15 2011 Version 6.0.0