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qwt_slider.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_SLIDER_H
#define QWT_SLIDER_H
#include "qwt_global.h"
#include "qwt_abstract_slider.h"
class QwtScaleDraw;
class QWT_EXPORT QwtSlider : public QwtAbstractSlider
{
Q_OBJECT
Q_ENUMS( ScalePosition BackgroundStyle )
Q_PROPERTY( Qt::Orientation orientation
READ orientation WRITE setOrientation )
Q_PROPERTY( ScalePosition scalePosition READ scalePosition
WRITE setScalePosition )
Q_PROPERTY( bool trough READ hasTrough WRITE setTrough )
Q_PROPERTY( bool groove READ hasGroove WRITE setGroove )
Q_PROPERTY( QSize handleSize READ handleSize WRITE setHandleSize )
Q_PROPERTY( int borderWidth READ borderWidth WRITE setBorderWidth )
Q_PROPERTY( int spacing READ spacing WRITE setSpacing )
public:
enum ScalePosition
{
NoScale,
LeadingScale,
TrailingScale
};
explicit QwtSlider( QWidget* parent = NULL );
explicit QwtSlider( Qt::Orientation, QWidget* parent = NULL );
virtual ~QwtSlider();
void setOrientation( Qt::Orientation );
Qt::Orientation orientation() const;
void setScalePosition( ScalePosition );
ScalePosition scalePosition() const;
void setTrough( bool );
bool hasTrough() const;
void setGroove( bool );
bool hasGroove() const;
void setHandleSize( const QSize& );
QSize handleSize() const;
void setBorderWidth( int );
int borderWidth() const;
void setSpacing( int );
int spacing() const;
virtual QSize sizeHint() const QWT_OVERRIDE;
virtual QSize minimumSizeHint() const QWT_OVERRIDE;
void setScaleDraw( QwtScaleDraw* );
const QwtScaleDraw* scaleDraw() const;
void setUpdateInterval( int );
int updateInterval() const;
protected:
virtual double scrolledTo( const QPoint& ) const QWT_OVERRIDE;
virtual bool isScrollPosition( const QPoint& ) const QWT_OVERRIDE;
virtual void drawSlider ( QPainter*, const QRect& ) const;
virtual void drawHandle( QPainter*, const QRect&, int pos ) const;
virtual void mousePressEvent( QMouseEvent* ) QWT_OVERRIDE;
virtual void mouseReleaseEvent( QMouseEvent* ) QWT_OVERRIDE;
virtual void resizeEvent( QResizeEvent* ) QWT_OVERRIDE;
virtual void paintEvent ( QPaintEvent* ) QWT_OVERRIDE;
virtual void changeEvent( QEvent* ) QWT_OVERRIDE;
virtual void timerEvent( QTimerEvent* ) QWT_OVERRIDE;
virtual bool event( QEvent* ) QWT_OVERRIDE;
virtual void scaleChange() QWT_OVERRIDE;
QRect sliderRect() const;
QRect handleRect() const;
private:
QwtScaleDraw* scaleDraw();
void layoutSlider( bool );
void initSlider( Qt::Orientation );
class PrivateData;
PrivateData* m_data;
};
#endif
QwtAbstractSlider
An abstract base class for slider widgets with a scale.
Definition qwt_abstract_slider.h:33
QwtScaleDraw
A class for drawing scales.
Definition qwt_scale_draw.h:36
QwtSlider
The Slider Widget.
Definition qwt_slider.h:31
QwtSlider::ScalePosition
ScalePosition
Definition qwt_slider.h:55
QwtSlider::LeadingScale
@ LeadingScale
The scale is right of a vertical or below a horizontal slider.
Definition qwt_slider.h:60
QwtSlider::NoScale
@ NoScale
The slider has no scale.
Definition qwt_slider.h:57