qmlwriterbackend.h

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#ifndef QmlWriterBackend_H
#define QmlWriterBackend_H
 
#include <QObject>
#include <cudatalistener.h>
#include <cucontexti.h>
#include <cudata.h>
#include <QVariant>
#include <QString>
 
class QmlWriterBackendPrivate;
class CuControlsFactoryPool;
class CuContext;
class CumbiaPool_O;
 
class QmlWriterBackend : public QObject, public CuDataListener, public CuContextI
{
    Q_OBJECT
    Q_PROPERTY(bool ok READ ok NOTIFY okChanged)
    Q_PROPERTY(QString target READ target WRITE setTarget NOTIFY targetChanged)
    Q_PROPERTY(QVariant min READ min NOTIFY minChanged)
    Q_PROPERTY(QVariant max READ max NOTIFY maxChanged)
    Q_PROPERTY(QVariant value READ value NOTIFY valueChanged)
    Q_PROPERTY(QString label READ label NOTIFY labelChanged)
    Q_PROPERTY(QString unit READ unit NOTIFY unitChanged)
    Q_PROPERTY(QString description READ description NOTIFY descriptionChanged)
 
public:
    QmlWriterBackend(QObject *parent = nullptr);
 
    virtual ~QmlWriterBackend();
 
    Q_INVOKABLE void init(CumbiaPool_O *poo_o);
 
 
    QString target() const;
 
    CuContext *getContext() const;
 
    QVariant min() const;
 
    QVariant max() const;
 
    QVariant value() const;
 
    QString label() const;
 
    QString unit() const;
 
    QString description() const;
 
    bool ok() const;
 
public slots:
 
    void setTarget(const QString& target);
 
    // some examples of slots to write on the target
    //
    // ----------------------------------------------------------
    //
    // *** remove the ones that are not needed by your object ***
 
    void write(QVariant i);
 
//    void write(double d);
 
//    void write(const QString& s);
 
//    void write(bool b);
 
//    void write(const QStringList& sl);
 
//    void write();
 
    // ---------------- end of write slots -----------------------
 
 
signals:
    void newData(const CuData&);
 
    void labelChanged();
 
    void minChanged();
 
    void maxChanged();
 
    void valueChanged();
 
    void unitChanged();
 
    void targetChanged();
 
    void descriptionChanged();
 
    void okChanged();
 
 
protected:
 
private:
    QmlWriterBackendPrivate *d;
 
    void m_init();
 
    void m_configure(const CuData& d);
 
    void m_write(const CuVariant& v);
 
 
    // CuDataListener interface
public:
    void onUpdate(const CuData &d);
};
 
#endif