131 lines
3.4 KiB
C
131 lines
3.4 KiB
C
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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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 bw );
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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;
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virtual QSize minimumSizeHint() const;
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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;
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virtual bool isScrollPosition( const QPoint & ) const;
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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 * );
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virtual void mouseReleaseEvent( QMouseEvent * );
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virtual void resizeEvent( QResizeEvent * );
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virtual void paintEvent ( QPaintEvent * );
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virtual void changeEvent( QEvent * );
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virtual void timerEvent( QTimerEvent * );
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virtual void scaleChange();
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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 *d_data;
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};
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#endif
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