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


QwtPickerPolygonMachine - A state machine for polygon selections.


#include <qwt_picker_machine.h>

Inherits QwtPickerMachine.

Public Member Functions

QwtPickerPolygonMachine ()
Constructor. virtual QList< Command > transition (const QwtEventPattern &, const QEvent *) override

Additional Inherited 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 205 of file qwt_picker_machine.h.


Generated automatically by Doxygen for Qwt User's Guide from the source code.

Sun Jul 18 2021 Version 6.2.0