Extending QML - Property Value Source Example

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#ifndef HAPPYBIRTHDAYSONG_H #define HAPPYBIRTHDAYSONG_H #include <QQmlPropertyValueSource> #include <QQmlProperty> #include <qqml.h> #include <QStringList> // ![0] class HappyBirthdaySong : public QObject, public QQmlPropertyValueSource { Q_OBJECT Q_INTERFACES(QQmlPropertyValueSource) // ![0] Q_PROPERTY(QString name READ name WRITE setName) // ![1] public: HappyBirthdaySong(QObject *parent = 0); virtual void setTarget(const QQmlProperty &); // ![1] QString name() const; void setName(const QString &); private slots: void advance(); private: int m_line; QStringList m_lyrics; QQmlProperty m_target; QString m_name; // ![2] }; // ![2] #endif // HAPPYBIRTHDAYSONG_H