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130 lines
3.4 KiB
130 lines
3.4 KiB
/* -*- 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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