QwtPickerMachine - Man Page
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.