qmlreaderbackend.h

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#ifndef CIRCULARGAUGEBACKEND_H
#define CIRCULARGAUGEBACKEND_H
 
#include <QObject>
#include <QVariant>
#include "cudatalistener.h"
#include "cucontexti.h"
 
class Cumbia;
class CumbiaPool;
class CuVariant;
class CuControlsFactoryPool;
class CuControlsReaderFactoryI;
class QmlReaderBackendPrivate;
class CumbiaPool_O;
 
class QmlReaderBackend : public  QObject, public CuDataListener, public CuContextI
{
    Q_OBJECT
    Q_PROPERTY(QVariant value READ value NOTIFY valueChanged)
    Q_PROPERTY(QVariant min READ min NOTIFY minChanged)
    Q_PROPERTY(QVariant max READ max NOTIFY maxChanged)
    Q_PROPERTY(QVariant min_warning READ min_warning NOTIFY min_warningChanged)
    Q_PROPERTY(QVariant max_warning READ max_warning NOTIFY max_warningChanged)
    Q_PROPERTY(QVariant min_alarm READ min_alarm NOTIFY min_alarmChanged)
    Q_PROPERTY(QVariant max_alarm READ max_alarm NOTIFY max_alarmChanged)
    Q_PROPERTY(QString source READ source WRITE setSource NOTIFY sourceChanged)
    Q_PROPERTY(QString label READ label NOTIFY labelChanged)
    Q_PROPERTY(QString stateColor READ stateColor NOTIFY stateColorChanged)
    Q_PROPERTY(QString qualityColor READ qualityColor NOTIFY qualityColorChanged)
 
public:
 
    enum DataType { Int, Double, String, Boolean };
 
    enum DataFormat { Scalar, Vector };
 
    QmlReaderBackend(QObject *parent = nullptr);
 
    Q_INVOKABLE void init(CumbiaPool_O *poo_o);
 
    Q_INVOKABLE void setConversionMode(DataType dt, DataFormat fmt);
 
    Q_INVOKABLE QString getQualityColor(double val);
 
    Q_INVOKABLE void suspend();
 
    Q_INVOKABLE void start();
 
    virtual ~QmlReaderBackend();
 
    QString source() const;
 
    CuContext *getContext() const;
 
    QVariant value() const;
 
    QVariant min() const;
 
    QVariant max() const;
 
    QVariant min_warning() const;
 
    QVariant max_warning() const;
 
    QVariant min_alarm() const;
 
    QVariant max_alarm() const;
 
    QString label() const;
 
    QString stateColor() const;
 
    QString qualityColor() const;
 
    // CuDataListener interface
    void onUpdate(const CuData &d);
 
public slots:
    void setSource(const QString& s);
 
    void unsetSource();
 
signals:
    void newData(const CuData&);
 
    void valueChanged();
    void sourceChanged();
    void minChanged();
    void maxChanged();
    void min_warningChanged();
    void max_warningChanged();
    void min_alarmChanged();
    void max_alarmChanged();
 
    void labelChanged();
 
    void stateColorChanged(const QString& color);
    void qualityColorChanged(const QString& color);
 
private:
 
    void m_init();
 
    void m_configure(const CuData& da);
 
    void m_set_value(const CuVariant &val);
 
    void m_setSource(const QString& source);
 
    QmlReaderBackendPrivate *d;
};
 
#endif // CIRCULARGAUGEBACKEND_H