QwtPickerPolygonMachine (3) Linux Manual Page
QwtPickerPolygonMachine –
A state machine for polygon selections.
Synopsis
#include <qwt_picker_machine.h> Inherits QwtPickerMachine.
Public Member Functions
QwtPickerPolygonMachine ()Constructor.
virtual QList< Command > transition (const QwtEventPattern &, const QEvent *)
Transition.
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