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diff --git a/src/plugins/platforms/cocoa/qcocoascreen.h b/src/plugins/platforms/cocoa/qcocoascreen.h
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+++ b/src/plugins/platforms/cocoa/qcocoascreen.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCOCOASCREEN_H
+#define QCOCOASCREEN_H
+
+#include <AppKit/AppKit.h>
+
+#include "qcocoacursor.h"
+
+#include <qpa/qplatformintegration.h>
+
+QT_BEGIN_NAMESPACE
+
+class QCocoaScreen : public QPlatformScreen
+{
+public:
+    QCocoaScreen(int screenIndex);
+    ~QCocoaScreen();
+
+    // ----------------------------------------------------
+    // Virtual methods overridden from QPlatformScreen
+    QPixmap grabWindow(WId window, int x, int y, int width, int height) const Q_DECL_OVERRIDE;
+    QRect geometry() const Q_DECL_OVERRIDE { return m_geometry; }
+    QRect availableGeometry() const Q_DECL_OVERRIDE { return m_availableGeometry; }
+    int depth() const Q_DECL_OVERRIDE { return m_depth; }
+    QImage::Format format() const Q_DECL_OVERRIDE { return m_format; }
+    qreal devicePixelRatio() const Q_DECL_OVERRIDE;
+    QSizeF physicalSize() const Q_DECL_OVERRIDE { return m_physicalSize; }
+    QDpi logicalDpi() const Q_DECL_OVERRIDE { return m_logicalDpi; }
+    qreal refreshRate() const Q_DECL_OVERRIDE { return m_refreshRate; }
+    QString name() const Q_DECL_OVERRIDE { return m_name; }
+    QPlatformCursor *cursor() const Q_DECL_OVERRIDE { return m_cursor; }
+    QWindow *topLevelAt(const QPoint &point) const Q_DECL_OVERRIDE;
+    QList<QPlatformScreen *> virtualSiblings() const Q_DECL_OVERRIDE { return m_siblings; }
+    QPlatformScreen::SubpixelAntialiasingType subpixelAntialiasingTypeHint() const Q_DECL_OVERRIDE;
+
+    // ----------------------------------------------------
+    // Additional methods
+    void setVirtualSiblings(const QList<QPlatformScreen *> &siblings) { m_siblings = siblings; }
+    NSScreen *nativeScreen() const;
+    void updateGeometry();
+
+    QPointF mapToNative(const QPointF &pos) const { return flipCoordinate(pos); }
+    QRectF mapToNative(const QRectF &rect) const { return flipCoordinate(rect); }
+    QPointF mapFromNative(const QPointF &pos) const { return flipCoordinate(pos); }
+    QRectF mapFromNative(const QRectF &rect) const { return flipCoordinate(rect); }
+
+    static QCocoaScreen *primaryScreen();
+
+private:
+    QPointF flipCoordinate(const QPointF &pos) const;
+    QRectF flipCoordinate(const QRectF &rect) const;
+
+public:
+    int m_screenIndex;
+    QRect m_geometry;
+    QRect m_availableGeometry;
+    QDpi m_logicalDpi;
+    qreal m_refreshRate;
+    int m_depth;
+    QString m_name;
+    QImage::Format m_format;
+    QSizeF m_physicalSize;
+    QCocoaCursor *m_cursor;
+    QList<QPlatformScreen *> m_siblings;
+};
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug debug, const QCocoaScreen *screen);
+#endif
+
+QT_END_NAMESPACE
+
+#endif
+