QwtPickerPolygonMachine Class Reference

Inheritance diagram for QwtPickerPolygonMachine:

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Collaboration diagram for QwtPickerPolygonMachine:

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List of all members.


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

Definition at line 146 of file qwt_picker_machine.h.


Public Member Functions

virtual CommandList transition (const QwtEventPattern &, const QEvent *)

Member Function Documentation

QwtPickerMachine::CommandList QwtPickerPolygonMachine::transition ( const QwtEventPattern eventPattern,
const QEvent *  e 
) [virtual]


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