qwt_thermo.h

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/******************************************************************************
 * 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_THERMO_H
#define QWT_THERMO_H
 
#include "qwt_global.h"
#include "qwt_abstract_scale.h"
#include "qwt_interval.h"
 
class QwtScaleDraw;
class QwtColorMap;
 
class QWT_EXPORT QwtThermo : public QwtAbstractScale
{
    Q_OBJECT
 
    Q_ENUMS( ScalePosition )
    Q_ENUMS( OriginMode )
 
    Q_PROPERTY( Qt::Orientation orientation
        READ orientation WRITE setOrientation )
    Q_PROPERTY( ScalePosition scalePosition
        READ scalePosition WRITE setScalePosition )
    Q_PROPERTY( OriginMode originMode READ originMode WRITE setOriginMode )
 
    Q_PROPERTY( bool alarmEnabled READ alarmEnabled WRITE setAlarmEnabled )
    Q_PROPERTY( double alarmLevel READ alarmLevel WRITE setAlarmLevel )
    Q_PROPERTY( double origin READ origin WRITE setOrigin )
    Q_PROPERTY( int spacing READ spacing WRITE setSpacing )
    Q_PROPERTY( int borderWidth READ borderWidth WRITE setBorderWidth )
    Q_PROPERTY( int pipeWidth READ pipeWidth WRITE setPipeWidth )
    Q_PROPERTY( double value READ value WRITE setValue USER true )
 
  public:
 
    enum ScalePosition
    {
        NoScale,
 
        LeadingScale,
 
        TrailingScale
    };
 
    enum OriginMode
    {
        OriginMinimum,
 
        OriginMaximum,
 
        OriginCustom
    };
 
    explicit QwtThermo( QWidget* parent = NULL );
    virtual ~QwtThermo();
 
    void setOrientation( Qt::Orientation );
    Qt::Orientation orientation() const;
 
    void setScalePosition( ScalePosition );
    ScalePosition scalePosition() const;
 
    void setSpacing( int );
    int spacing() const;
 
    void setBorderWidth( int );
    int borderWidth() const;
 
    void setOriginMode( OriginMode );
    OriginMode originMode() const;
 
    void setOrigin( double );
    double origin() const;
 
    void setFillBrush( const QBrush& );
    QBrush fillBrush() const;
 
    void setAlarmBrush( const QBrush& );
    QBrush alarmBrush() const;
 
    void setAlarmLevel( double );
    double alarmLevel() const;
 
    void setAlarmEnabled( bool );
    bool alarmEnabled() const;
 
    void setColorMap( QwtColorMap* );
    QwtColorMap* colorMap();
    const QwtColorMap* colorMap() const;
 
    void setPipeWidth( int );
    int pipeWidth() const;
 
    void setRangeFlags( QwtInterval::BorderFlags );
    QwtInterval::BorderFlags rangeFlags() const;
 
    double value() const;
 
    virtual QSize sizeHint() const QWT_OVERRIDE;
    virtual QSize minimumSizeHint() const QWT_OVERRIDE;
 
    void setScaleDraw( QwtScaleDraw* );
    const QwtScaleDraw* scaleDraw() const;
 
  public Q_SLOTS:
    virtual void setValue( double );
 
  protected:
    virtual void drawLiquid( QPainter*, const QRect& ) const;
    virtual void scaleChange() QWT_OVERRIDE;
 
    virtual void paintEvent( QPaintEvent* ) QWT_OVERRIDE;
    virtual void resizeEvent( QResizeEvent* ) QWT_OVERRIDE;
    virtual void changeEvent( QEvent* ) QWT_OVERRIDE;
 
    QwtScaleDraw* scaleDraw();
 
    QRect pipeRect() const;
    QRect fillRect( const QRect& ) const;
    QRect alarmRect( const QRect& ) const;
 
  private:
    void layoutThermo( bool );
 
    class PrivateData;
    PrivateData* m_data;
};
 
#endif