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Diffstat (limited to 'examples/qml/tutorials/extending-qml-advanced/advanced5-Attached-properties/birthdayparty.h')
-rw-r--r-- | examples/qml/tutorials/extending-qml-advanced/advanced5-Attached-properties/birthdayparty.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/examples/qml/tutorials/extending-qml-advanced/advanced5-Attached-properties/birthdayparty.h b/examples/qml/tutorials/extending-qml-advanced/advanced5-Attached-properties/birthdayparty.h new file mode 100644 index 0000000000..1b2503895a --- /dev/null +++ b/examples/qml/tutorials/extending-qml-advanced/advanced5-Attached-properties/birthdayparty.h @@ -0,0 +1,72 @@ +// Copyright (C) 2023 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef BIRTHDAYPARTY_H +#define BIRTHDAYPARTY_H + +#include "person.h" + +#include <QDate> +#include <QObject> +#include <qqml.h> + +class BirthdayPartyAttached : public QObject +{ + Q_OBJECT + Q_PROPERTY(QDate rsvp READ rsvp WRITE setRsvp NOTIFY rsvpChanged FINAL) + QML_ANONYMOUS +public: + using QObject::QObject; + + QDate rsvp() const; + void setRsvp(QDate); + +signals: + void rsvpChanged(); + +private: + QDate m_rsvp; +}; + +class BirthdayParty : public QObject +{ + Q_OBJECT + Q_PROPERTY(Person *host READ host WRITE setHost NOTIFY hostChanged FINAL) + Q_PROPERTY(QQmlListProperty<Person> guests READ guests NOTIFY guestsChanged FINAL) + Q_CLASSINFO("DefaultProperty", "guests") + QML_ELEMENT + QML_ATTACHED(BirthdayPartyAttached) + +public: + using QObject::QObject; + + Person *host() const; + void setHost(Person *); + + QQmlListProperty<Person> guests(); + void appendGuest(Person *); + qsizetype guestCount() const; + Person *guest(qsizetype) const; + void clearGuests(); + void replaceGuest(qsizetype, Person *); + void removeLastGuest(); + + static BirthdayPartyAttached *qmlAttachedProperties(QObject *); + +signals: + void hostChanged(); + void guestsChanged(); + +private: + static void appendGuest(QQmlListProperty<Person> *list, Person *); + static qsizetype guestCount(QQmlListProperty<Person> *); + static Person *guest(QQmlListProperty<Person> *, qsizetype); + static void clearGuests(QQmlListProperty<Person> *); + static void replaceGuest(QQmlListProperty<Person> *, qsizetype, Person *); + static void removeLastGuest(QQmlListProperty<Person> *); + + Person *m_host = nullptr; + QList<Person *> m_guests; +}; + +#endif // BIRTHDAYPARTY_H |