1 files changed, 50 insertions, 0 deletions
diff --git a/src/quickcontrolsimpl/qquickitemgroup_p.h b/src/quickcontrolsimpl/qquickitemgroup_p.h
new file mode 100644
index 0000000000..644c535a43
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+++ b/src/quickcontrolsimpl/qquickitemgroup_p.h
@@ -0,0 +1,50 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QQUICKITEMGROUP_P_H
+#define QQUICKITEMGROUP_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtQuick/private/qquickimplicitsizeitem_p.h>
+#include <QtQuick/private/qquickitemchangelistener_p.h>
+#include <QtQuickControls2Impl/private/qtquickcontrols2implglobal_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_QUICKCONTROLS2IMPL_EXPORT QQuickItemGroup : public QQuickImplicitSizeItem, protected QQuickItemChangeListener
+{
+    Q_OBJECT
+    QML_NAMED_ELEMENT(ItemGroup)
+    QML_ADDED_IN_VERSION(2, 2)
+
+public:
+    explicit QQuickItemGroup(QQuickItem *parent = nullptr);
+    ~QQuickItemGroup();
+
+protected:
+    void watch(QQuickItem *item);
+    void unwatch(QQuickItem *item);
+
+    QSizeF calculateImplicitSize() const;
+    void updateImplicitSize();
+
+    void itemChange(ItemChange change, const ItemChangeData &data) override;
+    void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
+
+    void itemImplicitWidthChanged(QQuickItem *item) override;
+    void itemImplicitHeightChanged(QQuickItem *item) override;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKITEMGROUP_P_H