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50#ifndef BIRTHDAYPARTY_H
51#define BIRTHDAYPARTY_H
52
53#include <QObject>
54#include <QDate>
55#include <qqml.h>
56#include "person.h"
57
58class BirthdayPartyAttached : public QObject
59{
60 Q_OBJECT
61 Q_PROPERTY(QDate rsvp READ rsvp WRITE setRsvp)
62 QML_ANONYMOUS
63public:
64 BirthdayPartyAttached(QObject *object);
65
66 QDate rsvp() const;
67 void setRsvp(const QDate &);
68
69private:
70 QDate m_rsvp;
71};
72
73class BirthdayParty : public QObject
74{
75 Q_OBJECT
76 Q_PROPERTY(Person *host READ host WRITE setHost)
77 Q_PROPERTY(QQmlListProperty<Person> guests READ guests)
78 Q_CLASSINFO("DefaultProperty", "guests")
79 QML_ELEMENT
80 QML_ATTACHED(BirthdayPartyAttached)
81public:
82 BirthdayParty(QObject *parent = nullptr);
83
84 Person *host() const;
85 void setHost(Person *);
86
87 QQmlListProperty<Person> guests();
88 int guestCount() const;
89 Person *guest(int) const;
90
91 static BirthdayPartyAttached *qmlAttachedProperties(QObject *);
92
93 void startParty();
94// ![0]
95signals:
96 void partyStarted(const QTime &time);
97// ![0]
98
99private:
100 Person *m_host;
101 QList<Person *> m_guests;
102};
103
104#endif // BIRTHDAYPARTY_H
105

source code of qtdeclarative/examples/qml/referenceexamples/signal/birthdayparty.h