QwtPickerTrackerMachine(3) Qwt User's Guide QwtPickerTrackerMachine(3)NAME
QwtPickerTrackerMachine -
A state machine for indicating mouse movements.
SYNOPSIS
#include <qwt_picker_machine.h>
Inherits QwtPickerMachine.
Public Member Functions
QwtPickerTrackerMachine ()
virtual QList< Command > transition (const QwtEventPattern &, const QEvent *)
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.
Constructor & Destructor Documentation
QwtPickerTrackerMachine::QwtPickerTrackerMachine ()
Constructor.
Member Function Documentation
QList< QwtPickerMachine::Command > QwtPickerTrackerMachine::transition (const QwtEventPattern &, const QEvent *e) [virtual]
Transition.
Implements QwtPickerMachine.
Author
Generated automatically by Doxygen for Qwt User's Guide from the source code.
Version 6.0.0 Fri Apr 15 2011 QwtPickerTrackerMachine(3)
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QwtPickerMachine(3) Qwt User's Guide QwtPickerMachine(3)NAME
QwtPickerMachine -
A state machine for QwtPicker selections.
SYNOPSIS
#include <qwt_picker_machine.h>
Inherited by QwtPickerClickPointMachine, QwtPickerClickRectMachine, QwtPickerDragPointMachine, QwtPickerDragRectMachine, and
QwtPickerPolygonMachine.
Public Types
enum Command { Begin, Append, Move, End }
typedef QList< Command > CommandList
Public Member Functions
void reset ()
void setState (int)
int state () const
virtual CommandList transition (const QwtEventPattern &, const QEvent *)=0
virtual ~QwtPickerMachine ()
Protected Member Functions
QwtPickerMachine ()
Detailed Description
A state machine for QwtPicker selections.
QwtPickerMachine accepts key and mouse events and translates them into selection commands.
See also:
QwtEventPattern::MousePatternCode, QwtEventPattern::KeyPatternCode
Member Enumeration Documentation
enum QwtPickerMachine::Command
Commands - the output of the state machine.
Constructor & Destructor Documentation
QwtPickerMachine::~QwtPickerMachine () [virtual]
Destructor.
QwtPickerMachine::QwtPickerMachine () [protected]
Constructor.
Member Function Documentation
void QwtPickerMachine::reset ()
Set the current state to 0.
void QwtPickerMachine::setState (intstate)
Change the current state.
int QwtPickerMachine::state () const
Return the current state.
virtual CommandList QwtPickerMachine::transition (const QwtEventPattern &, const QEvent *) [pure virtual]
Transition.
Implemented in QwtPickerClickPointMachine, QwtPickerDragPointMachine, QwtPickerClickRectMachine, QwtPickerDragRectMachine, and
QwtPickerPolygonMachine.
Author
Generated automatically by Doxygen for Qwt User's Guide from the source code.
Version 5.2.2 Mon Aug 1 2011 QwtPickerMachine(3)
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