diff --git a/common/rfb/SMsgHandler.h b/common/rfb/SMsgHandler.h
new file mode 100644
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+++ b/common/rfb/SMsgHandler.h
@@ -0,0 +1,64 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+//
+// SMsgHandler - class to handle incoming messages on the server side.
+//
+
+#ifndef __RFB_SMSGHANDLER_H__
+#define __RFB_SMSGHANDLER_H__
+
+#include <rdr/types.h>
+#include <rfb/PixelFormat.h>
+#include <rfb/ConnParams.h>
+#include <rfb/InputHandler.h>
+
+namespace rdr { class InStream; }
+
+namespace rfb {
+
+  class SMsgHandler : public InputHandler {
+  public:
+    SMsgHandler();
+    virtual ~SMsgHandler();
+
+    // The following methods are called as corresponding messages are read.  A
+    // derived class should override these methods as desired.  Note that for
+    // the setPixelFormat() and setEncodings() methods, a derived class must
+    // call on to SMsgHandler's methods.
+
+    virtual void clientInit(bool shared);
+
+    virtual void setPixelFormat(const PixelFormat& pf);
+    virtual void setEncodings(int nEncodings, rdr::U32* encodings);
+    virtual void framebufferUpdateRequest(const Rect& r, bool incremental);
+
+    // InputHandler interface
+    // The InputHandler methods will be called for the corresponding messages.
+
+    // supportsLocalCursor() is called whenever the status of
+    // cp.supportsLocalCursor has changed.  At the moment this happens on a
+    // setEncodings message, but in the future this may be due to a message
+    // specially for this purpose.
+    virtual void supportsLocalCursor();
+
+    virtual bool processFTMsg(int type) = 0;
+
+    ConnParams cp;
+  };
+}
+#endif