A state machine for polygon selections. More...

Inheritance diagram for QwtPickerPolygonMachine:

Public Member Functions
	QwtPickerPolygonMachine ()
	Constructor.
virtual QList< Command >	transition (const QwtEventPattern &, const QEvent *)
	Transition.

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.

Constructor & Destructor Documentation

QwtPickerPolygonMachine::QwtPickerPolygonMachine ( )

Constructor.

Definition at line 383 of file qwt_picker_machine.cpp.

QList< QwtPickerMachine::Command > QwtPickerPolygonMachine::transition	(	const QwtEventPattern &	eventPattern,
		const QEvent *	event
	)		`[virtual]`

Transition.

Definition at line 389 of file qwt_picker_machine.cpp.

The documentation for this class was generated from the following files: