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diff --git a/src/plugins/platforms/vnc/qvnc_p.h b/src/plugins/platforms/vnc/qvnc_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui module 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 QVNC_P_H
+#define QVNC_P_H
+
+#include "qvncscreen.h"
+
+#include <QtCore/QLoggingCategory>
+#include <QtCore/qbytearray.h>
+#include <QtCore/qvarlengtharray.h>
+#include <qpa/qplatformcursor.h>
+
+QT_BEGIN_NAMESPACE
+
+Q_DECLARE_LOGGING_CATEGORY(lcVnc)
+
+class QTcpSocket;
+class QTcpServer;
+
+class QVncScreen;
+class QVncServer;
+class QVncClientCursor;
+class QVncClient;
+
+// This fits with the VNC hextile messages
+#define MAP_TILE_SIZE 16
+
+class QVncDirtyMap
+{
+public:
+    QVncDirtyMap(QVncScreen *screen);
+    virtual ~QVncDirtyMap();
+
+    void reset();
+    bool dirty(int x, int y) const;
+    virtual void setDirty(int x, int y, bool force = false) = 0;
+    void setClean(int x, int y);
+
+    QVncScreen *screen;
+    int bytesPerPixel;
+    int numDirty;
+    int mapWidth;
+    int mapHeight;
+
+protected:
+    uchar *map;
+    uchar *buffer;
+    int bufferWidth;
+    int bufferHeight;
+    int bufferStride;
+    int numTiles;
+};
+
+template <class T>
+class QVncDirtyMapOptimized : public QVncDirtyMap
+{
+public:
+    QVncDirtyMapOptimized(QVncScreen *screen) : QVncDirtyMap(screen) {}
+    ~QVncDirtyMapOptimized() {}
+
+    void setDirty(int x, int y, bool force = false);
+};
+
+
+class QRfbRect
+{
+public:
+    QRfbRect() {}
+    QRfbRect(quint16 _x, quint16 _y, quint16 _w, quint16 _h) {
+        x = _x; y = _y; w = _w; h = _h;
+    }
+
+    void read(QTcpSocket *s);
+    void write(QTcpSocket *s) const;
+
+    quint16 x;
+    quint16 y;
+    quint16 w;
+    quint16 h;
+};
+
+class QRfbPixelFormat
+{
+public:
+    static int size() { return 16; }
+
+    void read(QTcpSocket *s);
+    void write(QTcpSocket *s);
+
+    int bitsPerPixel;
+    int depth;
+    bool bigEndian;
+    bool trueColor;
+    int redBits;
+    int greenBits;
+    int blueBits;
+    int redShift;
+    int greenShift;
+    int blueShift;
+};
+
+class QRfbServerInit
+{
+public:
+    QRfbServerInit() { name = 0; }
+    ~QRfbServerInit() { delete[] name; }
+
+    int size() const { return QRfbPixelFormat::size() + 8 + strlen(name); }
+    void setName(const char *n);
+
+    void read(QTcpSocket *s);
+    void write(QTcpSocket *s);
+
+    quint16 width;
+    quint16 height;
+    QRfbPixelFormat format;
+    char *name;
+};
+
+class QRfbSetEncodings
+{
+public:
+    bool read(QTcpSocket *s);
+
+    quint16 count;
+};
+
+class QRfbFrameBufferUpdateRequest
+{
+public:
+    bool read(QTcpSocket *s);
+
+    char incremental;
+    QRfbRect rect;
+};
+
+class QRfbKeyEvent
+{
+public:
+    bool read(QTcpSocket *s);
+
+    char down;
+    int  keycode;
+    int  unicode;
+};
+
+class QRfbPointerEvent
+{
+public:
+    bool read(QTcpSocket *s);
+
+    Qt::MouseButtons buttons;
+    quint16 x;
+    quint16 y;
+};
+
+class QRfbClientCutText
+{
+public:
+    bool read(QTcpSocket *s);
+
+    quint32 length;
+};
+
+class QRfbEncoder
+{
+public:
+    QRfbEncoder(QVncClient *s) : client(s) {}
+    virtual ~QRfbEncoder() {}
+
+    virtual void write() = 0;
+
+protected:
+    QVncClient *client;
+};
+
+class QRfbRawEncoder : public QRfbEncoder
+{
+public:
+    QRfbRawEncoder(QVncClient *s) : QRfbEncoder(s) {}
+
+    void write();
+
+private:
+    QByteArray buffer;
+};
+
+template <class SRC> class QRfbHextileEncoder;
+
+template <class SRC>
+class QRfbSingleColorHextile
+{
+public:
+    QRfbSingleColorHextile(QRfbHextileEncoder<SRC> *e) : encoder(e) {}
+    bool read(const uchar *data, int width, int height, int stride);
+    void write(QTcpSocket *socket) const;
+
+private:
+    QRfbHextileEncoder<SRC> *encoder;
+};
+
+template <class SRC>
+class QRfbDualColorHextile
+{
+public:
+    QRfbDualColorHextile(QRfbHextileEncoder<SRC> *e) : encoder(e) {}
+    bool read(const uchar *data, int width, int height, int stride);
+    void write(QTcpSocket *socket) const;
+
+private:
+    struct Rect {
+        quint8 xy;
+        quint8 wh;
+    } Q_PACKED rects[8 * 16];
+
+    quint8 numRects;
+    QRfbHextileEncoder<SRC> *encoder;
+
+private:
+    inline int lastx() const { return rectx(numRects); }
+    inline int lasty() const { return recty(numRects); }
+    inline int rectx(int r) const { return rects[r].xy >> 4; }
+    inline int recty(int r) const { return rects[r].xy & 0x0f; }
+    inline int width(int r) const { return (rects[r].wh >> 4) + 1; }
+    inline int height(int r) const { return (rects[r].wh & 0x0f) + 1; }
+
+    inline void setX(int r, int x) {
+        rects[r].xy = (x << 4) | (rects[r].xy & 0x0f);
+    }
+    inline void setY(int r, int y) {
+        rects[r].xy = (rects[r].xy & 0xf0) | y;
+    }
+    inline void setWidth(int r, int width) {
+        rects[r].wh = ((width - 1) << 4) | (rects[r].wh & 0x0f);
+    }
+    inline void setHeight(int r, int height) {
+        rects[r].wh = (rects[r].wh & 0xf0) | (height - 1);
+    }
+
+    inline void setWidth(int width) { setWidth(numRects, width); }
+    inline void setHeight(int height) { setHeight(numRects, height); }
+    inline void setX(int x) { setX(numRects, x); }
+    inline void setY(int y) { setY(numRects, y); }
+    void next();
+};
+
+template <class SRC>
+class QRfbMultiColorHextile
+{
+public:
+    QRfbMultiColorHextile(QRfbHextileEncoder<SRC> *e) : encoder(e) {}
+    bool read(const uchar *data, int width, int height, int stride);
+    void write(QTcpSocket *socket) const;
+
+private:
+    inline quint8* rect(int r) {
+        return rects.data() + r * (bpp + 2);
+    }
+    inline const quint8* rect(int r) const {
+        return rects.constData() + r * (bpp + 2);
+    }
+    inline void setX(int r, int x) {
+        quint8 *ptr = rect(r) + bpp;
+        *ptr = (x << 4) | (*ptr & 0x0f);
+    }
+    inline void setY(int r, int y) {
+        quint8 *ptr = rect(r) + bpp;
+        *ptr = (*ptr & 0xf0) | y;
+    }
+    void setColor(SRC color);
+    inline int rectx(int r) const {
+        const quint8 *ptr = rect(r) + bpp;
+        return *ptr >> 4;
+    }
+    inline int recty(int r) const {
+        const quint8 *ptr = rect(r) + bpp;
+        return *ptr & 0x0f;
+    }
+    inline void setWidth(int r, int width) {
+        quint8 *ptr = rect(r) + bpp + 1;
+        *ptr = ((width - 1) << 4) | (*ptr & 0x0f);
+    }
+    inline void setHeight(int r, int height) {
+        quint8 *ptr = rect(r) + bpp + 1;
+        *ptr = (*ptr & 0xf0) | (height - 1);
+    }
+
+    bool beginRect();
+    void endRect();
+
+    static const int maxRectsSize = 16 * 16;
+    QVarLengthArray<quint8, maxRectsSize> rects;
+
+    quint8 bpp;
+    quint8 numRects;
+    QRfbHextileEncoder<SRC> *encoder;
+};
+
+template <class SRC>
+class QRfbHextileEncoder : public QRfbEncoder
+{
+public:
+    QRfbHextileEncoder(QVncServer *s);
+    void write();
+
+private:
+    enum SubEncoding {
+        Raw = 1,
+        BackgroundSpecified = 2,
+        ForegroundSpecified = 4,
+        AnySubrects = 8,
+        SubrectsColoured = 16
+    };
+
+    QByteArray buffer;
+    QRfbSingleColorHextile<SRC> singleColorHextile;
+    QRfbDualColorHextile<SRC> dualColorHextile;
+    QRfbMultiColorHextile<SRC> multiColorHextile;
+
+    SRC bg;
+    SRC fg;
+    bool newBg;
+    bool newFg;
+
+    friend class QRfbSingleColorHextile<SRC>;
+    friend class QRfbDualColorHextile<SRC>;
+    friend class QRfbMultiColorHextile<SRC>;
+};
+
+class QVncClientCursor : public QPlatformCursor
+{
+public:
+    QVncClientCursor();
+    ~QVncClientCursor();
+
+    void write(QVncClient *client) const;
+
+    void changeCursor(QCursor *widgetCursor, QWindow *window);
+
+    void addClient(QVncClient *client);
+    uint removeClient(QVncClient *client);
+
+    QImage cursor;
+    QPoint hotspot;
+    QVector<QVncClient *> clients;
+};
+
+
+class QVncServer : public QObject
+{
+    Q_OBJECT
+public:
+    QVncServer(QVncScreen *screen, quint16 port = 5900);
+    ~QVncServer();
+
+    enum ServerMsg { FramebufferUpdate = 0,
+                     SetColourMapEntries = 1 };
+
+    void setDirty();
+
+
+    inline QVncScreen* screen() const { return qvnc_screen; }
+    inline QVncDirtyMap* dirtyMap() const { return qvnc_screen->dirty; }
+    QImage screenImage() const;
+    void discardClient(QVncClient *client);
+
+private slots:
+    void newConnection();
+    void init();
+
+private:
+    QTcpServer *serverSocket;
+    QVector<QVncClient*> clients;
+    QVncScreen *qvnc_screen;
+    quint16 m_port;
+};
+
+QT_END_NAMESPACE
+
+#endif