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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 135 of file qwt_picker_machine.h.

Public Member Functions

virtual QValueList< Command > transition (const QwtEventPattern &, const QEvent *)


Member Function Documentation

QValueList< QwtPickerMachine::Command > QwtPickerPolygonMachine::transition const QwtEventPattern ,
const QEvent * 
[virtual]
 

Transition.

Implements QwtPickerMachine.

Definition at line 300 of file qwt_picker_machine.cpp.

References QwtEventPattern::keyMatch(), QwtEventPattern::mouseMatch(), QwtPickerMachine::setState(), and QwtPickerMachine::state().


Generated on Tue Nov 16 21:12:34 2004 for Qwt User's Guide by doxygen 1.3.8