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diff --git a/src/quicktemplates2/qquickoverlay_p.h b/src/quicktemplates2/qquickoverlay_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUICKOVERLAY_P_H
+#define QQUICKOVERLAY_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/qquickitem.h>
+#include <QtQuickTemplates2/private/qquickabstractbutton_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQmlComponent;
+class QQuickOverlayPrivate;
+class QQuickOverlayAttached;
+class QQuickOverlayAttachedPrivate;
+
+class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickOverlay : public QQuickItem
+{
+    Q_OBJECT
+    Q_PROPERTY(QQmlComponent *modal READ modal WRITE setModal NOTIFY modalChanged FINAL)
+    Q_PROPERTY(QQmlComponent *modeless READ modeless WRITE setModeless NOTIFY modelessChanged FINAL)
+    QML_NAMED_ELEMENT(Overlay)
+    QML_ATTACHED(QQuickOverlayAttached)
+    QML_UNCREATABLE("")
+    QML_ADDED_IN_VERSION(2, 3)
+
+public:
+    explicit QQuickOverlay(QQuickItem *parent = nullptr);
+    ~QQuickOverlay();
+
+    QQmlComponent *modal() const;
+    void setModal(QQmlComponent *modal);
+
+    QQmlComponent *modeless() const;
+    void setModeless(QQmlComponent *modeless);
+
+    static QQuickOverlay *overlay(QQuickWindow *window);
+
+    static QQuickOverlayAttached *qmlAttachedProperties(QObject *object);
+
+Q_SIGNALS:
+    void modalChanged();
+    void modelessChanged();
+    void pressed();
+    void released();
+
+protected:
+    void itemChange(ItemChange change, const ItemChangeData &data) override;
+    void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
+
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+#if QT_CONFIG(quicktemplates2_multitouch)
+    void touchEvent(QTouchEvent *event) override;
+#endif
+#if QT_CONFIG(wheelevent)
+    void wheelEvent(QWheelEvent *event) override;
+#endif
+    bool childMouseEventFilter(QQuickItem *item, QEvent *event) override;
+    bool eventFilter(QObject *object, QEvent *event) override;
+
+private:
+    Q_DISABLE_COPY(QQuickOverlay)
+    Q_DECLARE_PRIVATE(QQuickOverlay)
+};
+
+class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickOverlayAttached : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QQuickOverlay *overlay READ overlay NOTIFY overlayChanged FINAL)
+    Q_PROPERTY(QQmlComponent *modal READ modal WRITE setModal NOTIFY modalChanged FINAL)
+    Q_PROPERTY(QQmlComponent *modeless READ modeless WRITE setModeless NOTIFY modelessChanged FINAL)
+
+public:
+    explicit QQuickOverlayAttached(QObject *parent = nullptr);
+
+    QQuickOverlay *overlay() const;
+
+    QQmlComponent *modal() const;
+    void setModal(QQmlComponent *modal);
+
+    QQmlComponent *modeless() const;
+    void setModeless(QQmlComponent *modeless);
+
+Q_SIGNALS:
+    void overlayChanged();
+    void modalChanged();
+    void modelessChanged();
+    void pressed();
+    void released();
+
+private:
+    Q_DISABLE_COPY(QQuickOverlayAttached)
+    Q_DECLARE_PRIVATE(QQuickOverlayAttached)
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QQuickOverlay)
+QML_DECLARE_TYPEINFO(QQuickOverlay, QML_HAS_ATTACHED_PROPERTIES)
+
+#endif // QQUICKOVERLAY_P_H