Extending QML - Property Value Source Example

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#ifndef BIRTHDAYPARTY_H #define BIRTHDAYPARTY_H #include <QObject> #include <QDate> #include <QDebug> #include <qqml.h> #include "person.h" class BirthdayPartyAttached : public QObject { Q_OBJECT Q_PROPERTY(QDate rsvp READ rsvp WRITE setRsvp) public: BirthdayPartyAttached(QObject *object); QDate rsvp() const; void setRsvp(const QDate &); private: QDate m_rsvp; }; class BirthdayParty : public QObject { Q_OBJECT Q_PROPERTY(Person *host READ host WRITE setHost) Q_PROPERTY(QQmlListProperty<Person> guests READ guests) // ![0] Q_PROPERTY(QString announcement READ announcement WRITE setAnnouncement) // ![0] Q_CLASSINFO("DefaultProperty", "guests") public: BirthdayParty(QObject *parent = 0); Person *host() const; void setHost(Person *); QQmlListProperty<Person> guests(); int guestCount() const; Person *guest(int) const; QString announcement() const; void setAnnouncement(const QString &); static BirthdayPartyAttached *qmlAttachedProperties(QObject *); void startParty(); signals: void partyStarted(const QTime &time); private: Person *m_host; QList<Person *> m_guests; }; QML_DECLARE_TYPEINFO(BirthdayParty, QML_HAS_ATTACHED_PROPERTIES) #endif // BIRTHDAYPARTY_H