QwtPickerPolygonMachine Class Reference

Inheritance diagram for QwtPickerPolygonMachine:

[legend]Collaboration diagram for QwtPickerPolygonMachine:

[legend]List of all members.

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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 *)

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Member Function Documentation

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

Transition. Implements QwtPickerMachine. Definition at line 300 of file qwt_picker_machine.cpp. References QwtEventPattern::mouseMatch(), QwtPickerMachine::setState(), and QwtPickerMachine::state().

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