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qwt_wheel.h
/******************************************************************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_WHEEL_H
#define QWT_WHEEL_H
#include "qwt_global.h"
#include <qwidget.h>
class QWT_EXPORT QwtWheel : public QWidget
{
Q_OBJECT
Q_PROPERTY( Qt::Orientation orientation
READ orientation WRITE setOrientation )
Q_PROPERTY( double value READ value WRITE setValue NOTIFY valueChanged USER true )
Q_PROPERTY( double minimum READ minimum WRITE setMinimum )
Q_PROPERTY( double maximum READ maximum WRITE setMaximum )
Q_PROPERTY( double singleStep READ singleStep WRITE setSingleStep )
Q_PROPERTY( int pageStepCount READ pageStepCount WRITE setPageStepCount )
Q_PROPERTY( bool stepAlignment READ stepAlignment WRITE setStepAlignment )
Q_PROPERTY( bool tracking READ isTracking WRITE setTracking )
Q_PROPERTY( bool wrapping READ wrapping WRITE setWrapping )
Q_PROPERTY( bool inverted READ isInverted WRITE setInverted )
Q_PROPERTY( double mass READ mass WRITE setMass )
Q_PROPERTY( int updateInterval READ updateInterval WRITE setUpdateInterval )
Q_PROPERTY( double totalAngle READ totalAngle WRITE setTotalAngle )
Q_PROPERTY( double viewAngle READ viewAngle WRITE setViewAngle )
Q_PROPERTY( int tickCount READ tickCount WRITE setTickCount )
Q_PROPERTY( int wheelWidth READ wheelWidth WRITE setWheelWidth )
Q_PROPERTY( int borderWidth READ borderWidth WRITE setBorderWidth )
Q_PROPERTY( int wheelBorderWidth READ wheelBorderWidth WRITE setWheelBorderWidth )
public:
explicit QwtWheel( QWidget* parent = NULL );
virtual ~QwtWheel();
double value() const;
void setOrientation( Qt::Orientation );
Qt::Orientation orientation() const;
double totalAngle() const;
double viewAngle() const;
void setTickCount( int );
int tickCount() const;
void setWheelWidth( int );
int wheelWidth() const;
void setWheelBorderWidth( int );
int wheelBorderWidth() const;
void setBorderWidth( int );
int borderWidth() const;
void setInverted( bool );
bool isInverted() const;
void setWrapping( bool );
bool wrapping() const;
void setSingleStep( double );
double singleStep() const;
void setPageStepCount( int );
int pageStepCount() const;
void setStepAlignment( bool on );
bool stepAlignment() const;
void setRange( double min, double max );
void setMinimum( double );
double minimum() const;
void setMaximum( double );
double maximum() const;
void setUpdateInterval( int );
int updateInterval() const;
void setTracking( bool );
bool isTracking() const;
double mass() const;
public Q_SLOTS:
void setValue( double );
void setTotalAngle ( double );
void setViewAngle( double );
void setMass( double );
Q_SIGNALS:
void valueChanged( double value );
void wheelPressed();
void wheelReleased();
void wheelMoved( double value );
protected:
virtual void paintEvent( QPaintEvent* ) QWT_OVERRIDE;
virtual void mousePressEvent( QMouseEvent* ) QWT_OVERRIDE;
virtual void mouseReleaseEvent( QMouseEvent* ) QWT_OVERRIDE;
virtual void mouseMoveEvent( QMouseEvent* ) QWT_OVERRIDE;
virtual void keyPressEvent( QKeyEvent* ) QWT_OVERRIDE;
virtual void wheelEvent( QWheelEvent* ) QWT_OVERRIDE;
virtual void timerEvent( QTimerEvent* ) QWT_OVERRIDE;
void stopFlying();
QRect wheelRect() const;
virtual QSize sizeHint() const QWT_OVERRIDE;
virtual QSize minimumSizeHint() const QWT_OVERRIDE;
virtual void drawTicks( QPainter*, const QRectF& );
virtual void drawWheelBackground( QPainter*, const QRectF& );
virtual double valueAt( const QPoint& ) const;
private:
double alignedValue( double ) const;
double boundedValue( double ) const;
class PrivateData;
PrivateData* m_data;
};
#endif
QwtWheel
The Wheel Widget.
Definition qwt_wheel.h:28
QwtWheel::wheelMoved
void wheelMoved(double value)
QwtWheel::wheelReleased
void wheelReleased()
QwtWheel::wheelPressed
void wheelPressed()
QwtWheel::valueChanged
void valueChanged(double value)
Notify a change of value.