diff --git a/common/rfb/CConnection.h b/common/rfb/CConnection.h
index 66a71a2..4106a1e 100644
--- a/common/rfb/CConnection.h
+++ b/common/rfb/CConnection.h
@@ -1,5 +1,5 @@
 /* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
- * Copyright 2011-2017 Pierre Ossman for Cendio AB
+ * Copyright 2011-2019 Pierre Ossman for Cendio AB
  * 
  * This is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -109,6 +109,8 @@
     virtual void framebufferUpdateEnd();
     virtual void dataRect(const Rect& r, int encoding);
 
+    virtual void serverCutText(const char* str);
+
 
     // Methods to be overridden in a derived class
 
@@ -128,9 +130,42 @@
     // sure the pixel buffer has been updated once this call returns.
     virtual void resizeFramebuffer();
 
+    // handleClipboardRequest() is called whenever the server requests
+    // the client to send over its clipboard data. It will only be
+    // called after the client has first announced a clipboard change
+    // via announceClipboard().
+    virtual void handleClipboardRequest();
+
+    // handleClipboardAnnounce() is called to indicate a change in the
+    // clipboard on the server. Call requestClipboard() to access the
+    // actual data.
+    virtual void handleClipboardAnnounce(bool available);
+
+    // handleClipboardData() is called when the server has sent over
+    // the clipboard data as a result of a previous call to
+    // requestClipboard(). Note that this function might never be
+    // called if the clipboard data was no longer available when the
+    // server received the request.
+    virtual void handleClipboardData(const char* data);
+
 
     // Other methods
 
+    // requestClipboard() will result in a request to the server to
+    // transfer its clipboard data. A call to handleClipboardData()
+    // will be made once the data is available.
+    virtual void requestClipboard();
+
+    // announceClipboard() informs the server of changes to the
+    // clipboard on the client. The server may later request the
+    // clipboard data via handleClipboardRequest().
+    virtual void announceClipboard(bool available);
+
+    // sendClipboardData() transfers the clipboard data to the server
+    // and should be called whenever the server has requested the
+    // clipboard via handleClipboardRequest().
+    virtual void sendClipboardData(const char* data);
+
     // refreshFramebuffer() forces a complete refresh of the entire
     // framebuffer
     void refreshFramebuffer();
@@ -240,6 +275,8 @@
 
     ModifiablePixelBuffer* framebuffer;
     DecodeManager decoder;
+
+    char* serverClipboard;
   };
 }
 #endif