A state machine for indicating mouse movements. More...

#include <qwt_picker_machine.h>

Inheritance diagram for QwtPickerTrackerMachine:

Public Member Functions
	QwtPickerTrackerMachine ()
	Constructor.

virtual QList< Command >	transition (const QwtEventPattern &, const QEvent *) override
	Transition function that processes events and returns commands.

Public Member Functions inherited from QwtPickerMachine
	QwtPickerMachine (SelectionType)
	Constructor.

virtual	~QwtPickerMachine ()
	Destructor.

void	reset ()
	Set the current state to 0 (initial state)

int	state () const
	Return the current state.

void	setState (int)
	Change the current state.

SelectionType	selectionType () const
	Return the selection type.

Additional Inherited Members
Public Types inherited from QwtPickerMachine
enum	SelectionType { NoSelection = -1 , PointSelection , RectSelection , PolygonSelection }
	Type of a selection. More...

enum	Command { Begin , Append , Move , Remove , End }
	Commands - the output of a state machine.

Detailed Description

A state machine for indicating mouse movements.

QwtPickerTrackerMachine supports displaying information corresponding to mouse movements, but is not intended for selecting anything. Begin/End are related to Enter/Leave events.

Member Function Documentation

◆ transition()

QList< QwtPickerMachine::Command > QwtPickerTrackerMachine::transition	(	const QwtEventPattern &	,
		const QEvent *	e
	)

overridevirtual

Transition function that processes events and returns commands.

Parameters

[in]	eventPattern	Event pattern for matching
[in]	e	Event to process

Returns: List of commands generated by the transition

Implements QwtPickerMachine.

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

/home/runner/work/QWT/QWT/src/plot/qwt_picker_machine.h
/home/runner/work/QWT/QWT/src/plot/qwt_picker_machine.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ transition()