1 files changed, 45 insertions, 0 deletions
diff --git a/examples/qml/tutorials/extending-qml-advanced/advanced7-Foreign-objects-integration/happybirthdaysong.cpp b/examples/qml/tutorials/extending-qml-advanced/advanced7-Foreign-objects-integration/happybirthdaysong.cpp
new file mode 100644
index 0000000000..7a756a4a71
--- /dev/null
+++ b/examples/qml/tutorials/extending-qml-advanced/advanced7-Foreign-objects-integration/happybirthdaysong.cpp
@@ -0,0 +1,45 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "happybirthdaysong.h"
+
+#include <QTimer>
+
+HappyBirthdaySong::HappyBirthdaySong(QObject *parent) : QObject(parent)
+{
+    auto *timer = new QTimer(this);
+    QObject::connect(timer, &QTimer::timeout, this, &HappyBirthdaySong::advance);
+    timer->start(1000);
+}
+
+void HappyBirthdaySong::setTarget(const QQmlProperty &target)
+{
+    m_target = target;
+}
+
+QString HappyBirthdaySong::name() const
+{
+    return m_name;
+}
+
+void HappyBirthdaySong::setName(const QString &name)
+{
+    if (m_name != name) {
+        m_name = name;
+        emit nameChanged();
+    }
+
+    m_lyrics.clear();
+    m_lyrics << "Happy birthday to you,";
+    m_lyrics << "Happy birthday to you,";
+    m_lyrics << "Happy birthday dear " + m_name + ",";
+    m_lyrics << "Happy birthday to you!";
+    m_lyrics << "";
+}
+
+void HappyBirthdaySong::advance()
+{
+    m_line = (m_line + 1) % m_lyrics.count();
+
+    m_target.write(m_lyrics.at(m_line));
+}