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33fc476d89
* require qwt >=6.2 (and fallback to internal 6.3 if system's qwt doesn't suffice) * debian doesn't have qwt for Qt6 and won't have it for trixie
133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
/******************************************************************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#ifndef QWT_SLIDER_H
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#define QWT_SLIDER_H
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#include "qwt_global.h"
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#include "qwt_abstract_slider.h"
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class QwtScaleDraw;
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/*!
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\brief The Slider Widget
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QwtSlider is a slider widget which operates on an interval
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of type double. Its position is related to a scale showing
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the current value.
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The slider can be customized by having a through, a groove - or both.
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\image html sliders.png
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*/
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class QWT_EXPORT QwtSlider : public QwtAbstractSlider
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{
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Q_OBJECT
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Q_ENUMS( ScalePosition BackgroundStyle )
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Q_PROPERTY( Qt::Orientation orientation
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READ orientation WRITE setOrientation )
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Q_PROPERTY( ScalePosition scalePosition READ scalePosition
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WRITE setScalePosition )
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Q_PROPERTY( bool trough READ hasTrough WRITE setTrough )
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Q_PROPERTY( bool groove READ hasGroove WRITE setGroove )
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Q_PROPERTY( QSize handleSize READ handleSize WRITE setHandleSize )
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Q_PROPERTY( int borderWidth READ borderWidth WRITE setBorderWidth )
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Q_PROPERTY( int spacing READ spacing WRITE setSpacing )
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public:
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/*!
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Position of the scale
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\sa QwtSlider(), setScalePosition(), setOrientation()
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*/
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enum ScalePosition
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{
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//! The slider has no scale
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NoScale,
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//! The scale is right of a vertical or below a horizontal slider
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LeadingScale,
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//! The scale is left of a vertical or above a horizontal slider
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TrailingScale
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};
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explicit QwtSlider( QWidget* parent = NULL );
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explicit QwtSlider( Qt::Orientation, QWidget* parent = NULL );
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virtual ~QwtSlider();
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void setOrientation( Qt::Orientation );
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Qt::Orientation orientation() const;
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void setScalePosition( ScalePosition );
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ScalePosition scalePosition() const;
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void setTrough( bool );
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bool hasTrough() const;
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void setGroove( bool );
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bool hasGroove() const;
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void setHandleSize( const QSize& );
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QSize handleSize() const;
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void setBorderWidth( int );
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int borderWidth() const;
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void setSpacing( int );
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int spacing() const;
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virtual QSize sizeHint() const QWT_OVERRIDE;
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virtual QSize minimumSizeHint() const QWT_OVERRIDE;
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void setScaleDraw( QwtScaleDraw* );
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const QwtScaleDraw* scaleDraw() const;
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void setUpdateInterval( int );
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int updateInterval() const;
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protected:
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virtual double scrolledTo( const QPoint& ) const QWT_OVERRIDE;
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virtual bool isScrollPosition( const QPoint& ) const QWT_OVERRIDE;
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virtual void drawSlider ( QPainter*, const QRect& ) const;
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virtual void drawHandle( QPainter*, const QRect&, int pos ) const;
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virtual void mousePressEvent( QMouseEvent* ) QWT_OVERRIDE;
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virtual void mouseReleaseEvent( QMouseEvent* ) QWT_OVERRIDE;
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virtual void resizeEvent( QResizeEvent* ) QWT_OVERRIDE;
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virtual void paintEvent ( QPaintEvent* ) QWT_OVERRIDE;
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virtual void changeEvent( QEvent* ) QWT_OVERRIDE;
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virtual void timerEvent( QTimerEvent* ) QWT_OVERRIDE;
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virtual bool event( QEvent* ) QWT_OVERRIDE;
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virtual void scaleChange() QWT_OVERRIDE;
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QRect sliderRect() const;
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QRect handleRect() const;
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private:
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QwtScaleDraw* scaleDraw();
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void layoutSlider( bool );
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void initSlider( Qt::Orientation );
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class PrivateData;
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PrivateData* m_data;
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};
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#endif
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