1 files changed, 79 insertions, 0 deletions
diff --git a/src/quick/items/qquickwindowcontainer_p.h b/src/quick/items/qquickwindowcontainer_p.h
new file mode 100644
index 0000000000..5da0c6ba27
--- /dev/null
+++ b/src/quick/items/qquickwindowcontainer_p.h
@@ -0,0 +1,79 @@
+// Copyright (C) 2023 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 QQUICKWINDOWCONTAINER_P_H
+#define QQUICKWINDOWCONTAINER_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/qtquickglobal_p.h>
+
+#include <QtCore/private/qobject_p.h>
+
+#include <QtQuick/private/qquickimplicitsizeitem_p.h>
+#include <QtQuick/qquickwindow.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQuickWindowContainerPrivate;
+class Q_QUICK_EXPORT QQuickWindowContainer : public QQuickImplicitSizeItem
+{
+    Q_OBJECT
+    QML_NAMED_ELEMENT(WindowContainer)
+    Q_PROPERTY(QWindow *window READ containedWindow WRITE setContainedWindow
+               NOTIFY containedWindowChanged DESIGNABLE false FINAL)
+
+    QML_ADDED_IN_VERSION(6, 7)
+
+public:
+    enum ContainerMode {
+        WindowControlsItem,
+        ItemControlsWindow
+    };
+
+    explicit QQuickWindowContainer(QQuickItem *parent = nullptr,
+        ContainerMode containerMode = ItemControlsWindow);
+    ~QQuickWindowContainer();
+
+    QWindow *containedWindow() const;
+    void setContainedWindow(QWindow *window);
+    Q_SIGNAL void containedWindowChanged(QWindow *window);
+
+protected:
+    void classBegin() override;
+    void componentComplete() override;
+
+    void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
+    void itemChange(QQuickItem::ItemChange, const QQuickItem::ItemChangeData &) override;
+
+    void updatePolish() override;
+
+    bool eventFilter(QObject *object, QEvent *event) override;
+
+    QRectF clipRect() const override;
+
+    void releaseResources() override;
+
+private:
+    Q_DECLARE_PRIVATE(QQuickWindowContainer)
+    friend class QQuickWindowQmlImpl;
+
+    void initializeContainedWindow();
+    void windowUpdated();
+    void syncWindowToItem();
+    void parentWindowChanged(QQuickWindow *window);
+    void windowDestroyed();
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKWINDOWCONTAINER_P_H