QwtPickerMachine - Man Page


QwtPickerMachine ā€”

A state machine for QwtPicker selections. Ā 


#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]


QwtPickerMachine::QwtPickerMachine () [protected]


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]


Implemented in QwtPickerClickPointMachine, QwtPickerDragPointMachine, QwtPickerClickRectMachine, QwtPickerDragRectMachine, and QwtPickerPolygonMachine.


Generated automatically by Doxygen for Qwt User's Guide from the source code.


Mon Aug 1 2011 Version 5.2.2 Qwt User's Guide