diff --git a/common/rfb/ClientParams.cxx b/common/rfb/ClientParams.cxx
new file mode 100644
index 0000000..6209f4d
--- /dev/null
+++ b/common/rfb/ClientParams.cxx
@@ -0,0 +1,190 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * Copyright (C) 2011 D. R. Commander.  All Rights Reserved.
+ * Copyright 2014-2018 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
+ * 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.
+ */
+#include <rfb/Exception.h>
+#include <rfb/encodings.h>
+#include <rfb/ledStates.h>
+#include <rfb/ClientParams.h>
+
+using namespace rfb;
+
+ClientParams::ClientParams()
+  : majorVersion(0), minorVersion(0),
+    useCopyRect(false),
+    supportsLocalCursor(false), supportsLocalXCursor(false),
+    supportsLocalCursorWithAlpha(false),
+    supportsDesktopResize(false), supportsExtendedDesktopSize(false),
+    supportsDesktopRename(false), supportsLastRect(false),
+    supportsLEDState(false), supportsQEMUKeyEvent(false),
+    supportsSetDesktopSize(false), supportsFence(false),
+    supportsContinuousUpdates(false),
+    compressLevel(2), qualityLevel(-1), fineQualityLevel(-1),
+    subsampling(subsampleUndefined),
+    width_(0), height_(0), name_(0),
+    ledState_(ledUnknown)
+{
+  setName("");
+  cursor_ = new Cursor(0, 0, Point(), NULL);
+}
+
+ClientParams::~ClientParams()
+{
+  delete [] name_;
+  delete cursor_;
+}
+
+void ClientParams::setDimensions(int width, int height)
+{
+  ScreenSet layout;
+  layout.add_screen(rfb::Screen(0, 0, 0, width, height, 0));
+  setDimensions(width, height, layout);
+}
+
+void ClientParams::setDimensions(int width, int height, const ScreenSet& layout)
+{
+  if (!layout.validate(width, height))
+    throw Exception("Attempted to configure an invalid screen layout");
+
+  width_ = width;
+  height_ = height;
+  screenLayout_ = layout;
+}
+
+void ClientParams::setPF(const PixelFormat& pf)
+{
+  pf_ = pf;
+
+  if (pf.bpp != 8 && pf.bpp != 16 && pf.bpp != 32)
+    throw Exception("setPF: not 8, 16 or 32 bpp?");
+}
+
+void ClientParams::setName(const char* name)
+{
+  delete [] name_;
+  name_ = strDup(name);
+}
+
+void ClientParams::setCursor(const Cursor& other)
+{
+  delete cursor_;
+  cursor_ = new Cursor(other);
+}
+
+bool ClientParams::supportsEncoding(rdr::S32 encoding) const
+{
+  return encodings_.count(encoding) != 0;
+}
+
+void ClientParams::setEncodings(int nEncodings, const rdr::S32* encodings)
+{
+  useCopyRect = false;
+  supportsLocalCursor = false;
+  supportsLocalCursorWithAlpha = false;
+  supportsDesktopResize = false;
+  supportsExtendedDesktopSize = false;
+  supportsLocalXCursor = false;
+  supportsLastRect = false;
+  supportsQEMUKeyEvent = false;
+  compressLevel = -1;
+  qualityLevel = -1;
+  fineQualityLevel = -1;
+  subsampling = subsampleUndefined;
+
+  encodings_.clear();
+  encodings_.insert(encodingRaw);
+
+  for (int i = nEncodings-1; i >= 0; i--) {
+    switch (encodings[i]) {
+    case encodingCopyRect:
+      useCopyRect = true;
+      break;
+    case pseudoEncodingCursor:
+      supportsLocalCursor = true;
+      break;
+    case pseudoEncodingXCursor:
+      supportsLocalXCursor = true;
+      break;
+    case pseudoEncodingCursorWithAlpha:
+      supportsLocalCursorWithAlpha = true;
+      break;
+    case pseudoEncodingDesktopSize:
+      supportsDesktopResize = true;
+      break;
+    case pseudoEncodingExtendedDesktopSize:
+      supportsExtendedDesktopSize = true;
+      break;
+    case pseudoEncodingDesktopName:
+      supportsDesktopRename = true;
+      break;
+    case pseudoEncodingLastRect:
+      supportsLastRect = true;
+      break;
+    case pseudoEncodingLEDState:
+      supportsLEDState = true;
+      break;
+    case pseudoEncodingQEMUKeyEvent:
+      supportsQEMUKeyEvent = true;
+      break;
+    case pseudoEncodingFence:
+      supportsFence = true;
+      break;
+    case pseudoEncodingContinuousUpdates:
+      supportsContinuousUpdates = true;
+      break;
+    case pseudoEncodingSubsamp1X:
+      subsampling = subsampleNone;
+      break;
+    case pseudoEncodingSubsampGray:
+      subsampling = subsampleGray;
+      break;
+    case pseudoEncodingSubsamp2X:
+      subsampling = subsample2X;
+      break;
+    case pseudoEncodingSubsamp4X:
+      subsampling = subsample4X;
+      break;
+    case pseudoEncodingSubsamp8X:
+      subsampling = subsample8X;
+      break;
+    case pseudoEncodingSubsamp16X:
+      subsampling = subsample16X;
+      break;
+    }
+
+    if (encodings[i] >= pseudoEncodingCompressLevel0 &&
+        encodings[i] <= pseudoEncodingCompressLevel9)
+      compressLevel = encodings[i] - pseudoEncodingCompressLevel0;
+
+    if (encodings[i] >= pseudoEncodingQualityLevel0 &&
+        encodings[i] <= pseudoEncodingQualityLevel9)
+      qualityLevel = encodings[i] - pseudoEncodingQualityLevel0;
+
+    if (encodings[i] >= pseudoEncodingFineQualityLevel0 &&
+        encodings[i] <= pseudoEncodingFineQualityLevel100)
+      fineQualityLevel = encodings[i] - pseudoEncodingFineQualityLevel0;
+
+    if (encodings[i] > 0)
+      encodings_.insert(encodings[i]);
+  }
+}
+
+void ClientParams::setLEDState(unsigned int state)
+{
+  ledState_ = state;
+}