diff --git a/vncviewer/DesktopWindow.cxx b/vncviewer/DesktopWindow.cxx
new file mode 100644
index 0000000..311a586
--- /dev/null
+++ b/vncviewer/DesktopWindow.cxx
@@ -0,0 +1,1076 @@
+/* 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.
+ */
+
+#include <windows.h>
+#include <commctrl.h>
+#include <rfb/Configuration.h>
+#include <rfb/LogWriter.h>
+#include <rfb_win32/WMShatter.h>
+#include <rfb_win32/LowLevelKeyEvents.h>
+#include <rfb_win32/MonitorInfo.h>
+#include <rfb_win32/DeviceContext.h>
+#include <rfb_win32/Win32Util.h>
+#include <vncviewer/DesktopWindow.h>
+#include <vncviewer/resource.h>
+
+using namespace rfb;
+using namespace rfb::win32;
+
+
+// - Statics & consts
+
+static LogWriter vlog("DesktopWindow");
+
+const int TIMER_BUMPSCROLL = 1;
+const int TIMER_POINTER_INTERVAL = 2;
+const int TIMER_POINTER_3BUTTON = 3;
+
+
+//
+// -=- DesktopWindowClass
+
+//
+// Window class used as the basis for all DesktopWindow instances
+//
+
+class DesktopWindowClass {
+public:
+  DesktopWindowClass();
+  ~DesktopWindowClass();
+  ATOM classAtom;
+  HINSTANCE instance;
+};
+
+LRESULT CALLBACK DesktopWindowProc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam) {
+  LRESULT result;
+  if (msg == WM_CREATE)
+    SetWindowLong(wnd, GWL_USERDATA, (long)((CREATESTRUCT*)lParam)->lpCreateParams);
+  else if (msg == WM_DESTROY)
+    SetWindowLong(wnd, GWL_USERDATA, 0);
+  DesktopWindow* _this = (DesktopWindow*) GetWindowLong(wnd, GWL_USERDATA);
+  if (!_this) {
+    vlog.info("null _this in %x, message %u", wnd, msg);
+    return rfb::win32::SafeDefWindowProc(wnd, msg, wParam, lParam);
+  }
+
+  try {
+    result = _this->processMessage(msg, wParam, lParam);
+  } catch (rdr::Exception& e) {
+    vlog.error("untrapped: %s", e.str());
+  }
+
+  return result;
+};
+
+static HCURSOR dotCursor = (HCURSOR)LoadImage(GetModuleHandle(0), MAKEINTRESOURCE(IDC_DOT_CURSOR), IMAGE_CURSOR, 0, 0, LR_SHARED);
+static HCURSOR arrowCursor = (HCURSOR)LoadImage(NULL, IDC_ARROW, IMAGE_CURSOR, 0, 0, LR_SHARED); 
+
+DesktopWindowClass::DesktopWindowClass() : classAtom(0) {
+  WNDCLASS wndClass;
+  wndClass.style = 0;
+  wndClass.lpfnWndProc = DesktopWindowProc;
+  wndClass.cbClsExtra = 0;
+  wndClass.cbWndExtra = 0;
+  wndClass.hInstance = instance = GetModuleHandle(0);
+  wndClass.hIcon = (HICON)LoadImage(GetModuleHandle(0), MAKEINTRESOURCE(IDI_ICON), IMAGE_ICON, 0, 0, LR_SHARED);
+  if (!wndClass.hIcon)
+    printf("unable to load icon:%ld", GetLastError());
+  wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
+  wndClass.hbrBackground = NULL;
+  wndClass.lpszMenuName = 0;
+  wndClass.lpszClassName = _T("rfb::win32::DesktopWindowClass");
+  classAtom = RegisterClass(&wndClass);
+  if (!classAtom) {
+    throw rdr::SystemException("unable to register DesktopWindow window class", GetLastError());
+  }
+}
+
+DesktopWindowClass::~DesktopWindowClass() {
+  if (classAtom) {
+    UnregisterClass((const TCHAR*)classAtom, instance);
+  }
+}
+
+DesktopWindowClass baseClass;
+
+//
+// -=- FrameClass
+
+//
+// Window class used for child windows that display pixel data
+//
+
+class FrameClass {
+public:
+  FrameClass();
+  ~FrameClass();
+  ATOM classAtom;
+  HINSTANCE instance;
+};
+
+LRESULT CALLBACK FrameProc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam) {
+  LRESULT result;
+  if (msg == WM_CREATE)
+    SetWindowLong(wnd, GWL_USERDATA, (long)((CREATESTRUCT*)lParam)->lpCreateParams);
+  else if (msg == WM_DESTROY)
+    SetWindowLong(wnd, GWL_USERDATA, 0);
+  DesktopWindow* _this = (DesktopWindow*) GetWindowLong(wnd, GWL_USERDATA);
+  if (!_this) {
+    vlog.info("null _this in %x, message %u", wnd, msg);
+    return rfb::win32::SafeDefWindowProc(wnd, msg, wParam, lParam);
+  }
+
+  try {
+    result = _this->processFrameMessage(msg, wParam, lParam);
+  } catch (rdr::Exception& e) {
+    vlog.error("untrapped: %s", e.str());
+  }
+
+  return result;
+}
+
+FrameClass::FrameClass() : classAtom(0) {
+  WNDCLASS wndClass;
+  wndClass.style = 0;
+  wndClass.lpfnWndProc = FrameProc;
+  wndClass.cbClsExtra = 0;
+  wndClass.cbWndExtra = 0;
+  wndClass.hInstance = instance = GetModuleHandle(0);
+  wndClass.hIcon = 0;
+  wndClass.hCursor = NULL;
+  wndClass.hbrBackground = NULL;
+  wndClass.lpszMenuName = 0;
+  wndClass.lpszClassName = _T("rfb::win32::FrameClass");
+  classAtom = RegisterClass(&wndClass);
+  if (!classAtom) {
+    throw rdr::SystemException("unable to register Frame window class", GetLastError());
+  }
+}
+
+FrameClass::~FrameClass() {
+  if (classAtom) {
+    UnregisterClass((const TCHAR*)classAtom, instance);
+  }
+}
+
+FrameClass frameClass;
+
+
+//
+// -=- DesktopWindow instance implementation
+//
+
+DesktopWindow::DesktopWindow(Callback* cb) 
+  : buffer(0),
+    showToolbar(true),
+    client_size(0, 0, 16, 16), window_size(0, 0, 32, 32),
+    cursorVisible(false), cursorAvailable(false), cursorInBuffer(false),
+    systemCursorVisible(true), trackingMouseLeave(false),
+    handle(0), frameHandle(0), has_focus(false), palette_changed(false),
+    fullscreenActive(false), fullscreenRestore(false),
+    bumpScroll(false), callback(cb) {
+
+  // Create the window
+  const char* name = "DesktopWindow";
+  handle = CreateWindow((const TCHAR*)baseClass.classAtom, TStr(name),
+    WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
+    0, 0, 10, 10, 0, 0, baseClass.instance, this);
+  if (!handle)
+    throw rdr::SystemException("unable to create WMNotifier window instance", GetLastError());
+  vlog.debug("created window \"%s\" (%x)", name, handle);
+
+  // Create the toolbar
+  tb.create(getHandle());
+  vlog.debug("created toolbar window \"%s\" (%x)", "ViewerToolBar", tb.getHandle());
+
+  // Create the frame window
+  frameHandle = CreateWindowEx(WS_EX_CLIENTEDGE, (const TCHAR*)frameClass.classAtom,
+    0, WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE, CW_USEDEFAULT, CW_USEDEFAULT,
+    CW_USEDEFAULT, CW_USEDEFAULT, getHandle(), 0, frameClass.instance, this);
+  if (!frameHandle) {
+    throw rdr::SystemException("unable to create rfb frame window instance", GetLastError());
+  }
+  vlog.debug("created window \"%s\" (%x)", "Frame Window", frameHandle);
+
+  // Initialise the CPointer pointer handler
+  ptr.setHWND(frameHandle);
+  ptr.setIntervalTimerId(TIMER_POINTER_INTERVAL);
+  ptr.set3ButtonTimerId(TIMER_POINTER_3BUTTON);
+
+  // Initialise the bumpscroll timer
+  bumpScrollTimer.setHWND(handle);
+  bumpScrollTimer.setId(TIMER_BUMPSCROLL);
+
+  // Hook the clipboard
+  clipboard.setNotifier(this);
+
+  // Create the backing buffer
+  buffer = new win32::DIBSectionBuffer(frameHandle);
+
+  // Show the window
+  centerWindow(handle, 0);
+  ShowWindow(handle, SW_SHOW);
+}
+
+DesktopWindow::~DesktopWindow() {
+  vlog.debug("~DesktopWindow");
+  showSystemCursor();
+  if (handle) {
+    disableLowLevelKeyEvents(handle);
+    DestroyWindow(handle);
+    handle = 0;
+  }
+  delete buffer;
+  vlog.debug("~DesktopWindow done");
+}
+
+
+void DesktopWindow::setFullscreen(bool fs) {
+  if (fs && !fullscreenActive) {
+    fullscreenActive = bumpScroll = true;
+
+    // Un-minimize the window if required
+    if (GetWindowLong(handle, GWL_STYLE) & WS_MINIMIZE)
+      ShowWindow(handle, SW_RESTORE);
+
+    // Save the current window position
+    GetWindowRect(handle, &fullscreenOldRect);
+
+    // Find the size of the display the window is on
+    MonitorInfo mi(handle);
+
+    // Hide the toolbar
+    if (showToolbar)
+      tb.hide();
+    SetWindowLong(frameHandle, GWL_EXSTYLE, 0);
+
+    // Set the window full-screen
+    DWORD flags = GetWindowLong(handle, GWL_STYLE);
+    fullscreenOldFlags = flags;
+    flags = flags & ~(WS_CAPTION | WS_THICKFRAME | WS_MAXIMIZE | WS_MINIMIZE);
+    vlog.debug("flags=%x", flags);
+
+    SetWindowLong(handle, GWL_STYLE, flags);
+    SetWindowPos(handle, HWND_TOP, mi.rcMonitor.left, mi.rcMonitor.top,
+      mi.rcMonitor.right-mi.rcMonitor.left,
+      mi.rcMonitor.bottom-mi.rcMonitor.top,
+      SWP_FRAMECHANGED);
+  } else if (!fs && fullscreenActive) {
+    fullscreenActive = bumpScroll = false;
+
+    // Show the toolbar
+    if (showToolbar)
+      tb.show();
+    SetWindowLong(frameHandle, GWL_EXSTYLE, WS_EX_CLIENTEDGE);
+
+    // Set the window non-fullscreen
+    SetWindowLong(handle, GWL_STYLE, fullscreenOldFlags);
+
+    // Set the window position
+    SetWindowPos(handle, HWND_NOTOPMOST,
+      fullscreenOldRect.left, fullscreenOldRect.top,
+      fullscreenOldRect.right - fullscreenOldRect.left, 
+      fullscreenOldRect.bottom - fullscreenOldRect.top,
+      SWP_FRAMECHANGED);
+  }
+
+  // Adjust the viewport offset to cope with change in size between FS
+  // and previous window state.
+  setViewportOffset(scrolloffset);
+}
+
+void DesktopWindow::setDisableWinKeys(bool dwk) {
+  // Enable low-level event hooking, so we get special keys directly
+  if (dwk)
+    enableLowLevelKeyEvents(handle);
+  else
+    disableLowLevelKeyEvents(handle);
+}
+
+
+void DesktopWindow::setMonitor(const char* monitor) {
+  MonitorInfo mi(monitor);
+  mi.moveTo(handle);
+}
+
+char* DesktopWindow::getMonitor() const {
+  MonitorInfo mi(handle);
+  return strDup(mi.szDevice);
+}
+
+
+bool DesktopWindow::setViewportOffset(const Point& tl) {
+  Point np = Point(max(0, min(tl.x, buffer->width()-client_size.width())),
+    max(0, min(tl.y, buffer->height()-client_size.height())));
+  Point delta = np.translate(scrolloffset.negate());
+  if (!np.equals(scrolloffset)) {
+    scrolloffset = np;
+    ScrollWindowEx(frameHandle, -delta.x, -delta.y, 0, 0, 0, 0, SW_INVALIDATE);
+    UpdateWindow(frameHandle);
+    return true;
+  }
+  return false;
+}
+
+
+bool DesktopWindow::processBumpScroll(const Point& pos)
+{
+  if (!bumpScroll) return false;
+  int bumpScrollPixels = 20;
+  bumpScrollDelta = Point();
+
+  if (pos.x == client_size.width()-1)
+    bumpScrollDelta.x = bumpScrollPixels;
+  else if (pos.x == 0)
+    bumpScrollDelta.x = -bumpScrollPixels;
+  if (pos.y == client_size.height()-1)
+    bumpScrollDelta.y = bumpScrollPixels;
+  else if (pos.y == 0)
+    bumpScrollDelta.y = -bumpScrollPixels;
+
+  if (bumpScrollDelta.x || bumpScrollDelta.y) {
+    if (bumpScrollTimer.isActive()) return true;
+    if (setViewportOffset(scrolloffset.translate(bumpScrollDelta))) {
+      bumpScrollTimer.start(25);
+      return true;
+    }
+  }
+
+  bumpScrollTimer.stop();
+  return false;
+}
+
+
+LRESULT
+DesktopWindow::processMessage(UINT msg, WPARAM wParam, LPARAM lParam) {
+  switch (msg) {
+
+    // -=- Process standard window messages
+
+  case WM_NOTIFY:
+    if (wParam == ID_TOOLBAR)
+      tb.processWM_NOTIFY(wParam, lParam);
+    break;
+
+  case WM_DISPLAYCHANGE:
+    // Display format has changed - notify callback
+    callback->displayChanged();
+    break;
+
+    // -=- Window position
+
+    // Prevent the window from being resized to be too large if in normal mode.
+    // If maximized or fullscreen the allow oversized windows.
+
+  case WM_WINDOWPOSCHANGING:
+    {
+      WINDOWPOS* wpos = (WINDOWPOS*)lParam;
+      if (wpos->flags & SWP_NOSIZE)
+        break;
+
+      // Work out how big the window should ideally be
+      DWORD current_style = GetWindowLong(frameHandle, GWL_STYLE);
+      DWORD style = current_style & ~(WS_VSCROLL | WS_HSCROLL);
+      DWORD style_ex = GetWindowLong(frameHandle, GWL_EXSTYLE);
+
+      RECT r;
+      SetRect(&r, 0, 0, buffer->width(), buffer->height());
+      AdjustWindowRectEx(&r, style, FALSE, style_ex);
+      Rect reqd_size = Rect(r.left, r.top, r.right, r.bottom);
+      if (current_style & WS_VSCROLL)
+        reqd_size.br.x += GetSystemMetrics(SM_CXVSCROLL);
+      if (current_style & WS_HSCROLL)
+        reqd_size.br.y += GetSystemMetrics(SM_CXHSCROLL);
+
+      SetRect(&r, reqd_size.tl.x, reqd_size.br.x, reqd_size.tl.y, reqd_size.br.y);
+      if (tb.isVisible())
+        r.bottom += tb.getHeight();
+      AdjustWindowRect(&r, GetWindowLong(handle, GWL_STYLE), FALSE);
+      reqd_size = Rect(r.left, r.top, r.right, r.bottom);
+
+      RECT current;
+      GetWindowRect(handle, &current);
+
+      if (!(GetWindowLong(handle, GWL_STYLE) & WS_MAXIMIZE) && !fullscreenActive) {
+        // Ensure that the window isn't resized too large
+        if (wpos->cx > reqd_size.width()) {
+          wpos->cx = reqd_size.width();
+          wpos->x = current.left;
+        }
+        if (wpos->cy > reqd_size.height()) {
+          wpos->cy = reqd_size.height();
+          wpos->y = current.top;
+        }
+      }
+    }
+    break;
+
+    // Resize child windows and update window size info we have cached.
+
+  case WM_SIZE:
+    {
+      Point old_offset = desktopToClient(Point(0, 0));
+      RECT r;
+
+      // Resize child windows
+      GetClientRect(getHandle(), &r);
+      if (tb.isVisible()) {
+        MoveWindow(getFrameHandle(), 0, tb.getHeight(),
+                   r.right, r.bottom - tb.getHeight(), TRUE);
+      } else {
+        MoveWindow(getFrameHandle(), 0, 0, r.right, r.bottom, TRUE);
+      }
+      tb.autoSize();
+ 
+      // Update the cached sizing information
+      GetWindowRect(frameHandle, &r);
+      window_size = Rect(r.left, r.top, r.right, r.bottom);
+      GetClientRect(frameHandle, &r);
+      client_size = Rect(r.left, r.top, r.right, r.bottom);
+
+      // Determine whether scrollbars are required
+      calculateScrollBars();
+
+      // Redraw if required
+      if ((!old_offset.equals(desktopToClient(Point(0, 0)))))
+        InvalidateRect(frameHandle, 0, TRUE);
+    }
+    break;
+
+    // -=- Bump-scrolling
+
+  case WM_TIMER:
+    switch (wParam) {
+    case TIMER_BUMPSCROLL:
+      if (!setViewportOffset(scrolloffset.translate(bumpScrollDelta)))
+        bumpScrollTimer.stop();
+      break;
+    case TIMER_POINTER_INTERVAL:
+    case TIMER_POINTER_3BUTTON:
+      ptr.handleTimer(callback, wParam);
+      break;
+    }
+    break;
+
+    // -=- Track whether or not the window has focus
+
+  case WM_SETFOCUS:
+    has_focus = true;
+    break;
+  case WM_KILLFOCUS:
+    has_focus = false;
+    cursorOutsideBuffer();
+    // Restore the keyboard to a consistent state
+    kbd.releaseAllKeys(callback);
+    break;
+
+    // -=- Handle the extra window menu items
+
+    // Pass system menu messages to the callback and only attempt
+    // to process them ourselves if the callback returns false.
+  case WM_SYSCOMMAND:
+    // Call the supplied callback
+    if (callback->sysCommand(wParam, lParam))
+      break;
+
+    // - Not processed by the callback, so process it as a system message
+    switch (wParam & 0xfff0) {
+
+      // When restored, ensure that full-screen mode is re-enabled if required.
+    case SC_RESTORE:
+      {
+      if (GetWindowLong(handle, GWL_STYLE) & WS_MINIMIZE) {
+        rfb::win32::SafeDefWindowProc(handle, msg, wParam, lParam);
+        setFullscreen(fullscreenRestore);
+      }
+      else if (fullscreenActive)
+        setFullscreen(false);
+      else
+        rfb::win32::SafeDefWindowProc(handle, msg, wParam, lParam);
+
+      return 0;
+      }
+
+      // If we are maximized or minimized then that cancels full-screen mode.
+    case SC_MINIMIZE:
+    case SC_MAXIMIZE:
+      fullscreenRestore = fullscreenActive;
+      setFullscreen(false);
+      break;
+
+      // If the menu is about to be shown, make sure it's up to date
+    case SC_KEYMENU:
+    case SC_MOUSEMENU:
+      callback->refreshMenu(true);
+      break;
+
+    };
+    break;
+
+    // Treat all menu commands as system menu commands
+  case WM_COMMAND:
+    SendMessage(handle, WM_SYSCOMMAND, wParam, lParam);
+    return 0;
+
+    // -=- Handle keyboard input
+
+  case WM_KEYUP:
+  case WM_KEYDOWN:
+    // Hook the MenuKey to pop-up the window menu
+    if (menuKey && (wParam == menuKey)) {
+
+      bool ctrlDown = (GetAsyncKeyState(VK_CONTROL) & 0x8000) != 0;
+      bool altDown = (GetAsyncKeyState(VK_MENU) & 0x8000) != 0;
+      bool shiftDown = (GetAsyncKeyState(VK_SHIFT) & 0x8000) != 0;
+      if (!(ctrlDown || altDown || shiftDown)) {
+
+        // If MenuKey is being released then pop-up the menu
+        if ((msg == WM_KEYDOWN)) {
+          // Make sure it's up to date
+          callback->refreshMenu(false);
+
+          // Show it under the pointer
+          POINT pt;
+          GetCursorPos(&pt);
+          cursorInBuffer = false;
+          TrackPopupMenu(GetSystemMenu(handle, FALSE),
+            TPM_CENTERALIGN | TPM_VCENTERALIGN, pt.x, pt.y, 0, handle, 0);
+        }
+
+        // Ignore the MenuKey keypress for both press & release events
+        return 0;
+      }
+    }
+	case WM_SYSKEYDOWN:
+	case WM_SYSKEYUP:
+    kbd.keyEvent(callback, wParam, lParam, (msg == WM_KEYDOWN) || (msg == WM_SYSKEYDOWN));
+    return 0;
+
+    // -=- Handle the window closing
+
+  case WM_CLOSE:
+    vlog.debug("WM_CLOSE %x", handle);
+    callback->closeWindow();
+    break;
+
+  }
+
+  return rfb::win32::SafeDefWindowProc(handle, msg, wParam, lParam);
+}
+
+LRESULT
+DesktopWindow::processFrameMessage(UINT msg, WPARAM wParam, LPARAM lParam) {
+  switch (msg) {
+
+    // -=- Paint the remote frame buffer
+
+  case WM_PAINT:
+    {
+      PAINTSTRUCT ps;
+      HDC paintDC = BeginPaint(frameHandle, &ps);
+      if (!paintDC)
+        throw rdr::SystemException("unable to BeginPaint", GetLastError());
+      Rect pr = Rect(ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom);
+
+      if (!pr.is_empty()) {
+
+        // Draw using the correct palette
+        PaletteSelector pSel(paintDC, windowPalette.getHandle());
+
+        if (buffer->bitmap) {
+          // Update the bitmap's palette
+          if (palette_changed) {
+            palette_changed = false;
+            buffer->refreshPalette();
+          }
+
+          // Get device context
+          BitmapDC bitmapDC(paintDC, buffer->bitmap);
+
+          // Blit the border if required
+          Rect bufpos = desktopToClient(buffer->getRect());
+          if (!pr.enclosed_by(bufpos)) {
+            vlog.debug("draw border");
+            HBRUSH black = (HBRUSH) GetStockObject(BLACK_BRUSH);
+            RECT r;
+            SetRect(&r, 0, 0, bufpos.tl.x, client_size.height()); FillRect(paintDC, &r, black);
+            SetRect(&r, bufpos.tl.x, 0, bufpos.br.x, bufpos.tl.y); FillRect(paintDC, &r, black);
+            SetRect(&r, bufpos.br.x, 0, client_size.width(), client_size.height()); FillRect(paintDC, &r, black);
+            SetRect(&r, bufpos.tl.x, bufpos.br.y, bufpos.br.x, client_size.height()); FillRect(paintDC, &r, black);
+          }
+
+          // Do the blit
+          Point buf_pos = clientToDesktop(pr.tl);
+
+          if (!BitBlt(paintDC, pr.tl.x, pr.tl.y, pr.width(), pr.height(),
+                      bitmapDC, buf_pos.x, buf_pos.y, SRCCOPY))
+            throw rdr::SystemException("unable to BitBlt to window", GetLastError());
+        }
+      }
+
+      EndPaint(frameHandle, &ps);
+
+      // - Notify the callback that a paint message has finished processing
+      callback->paintCompleted();
+    }
+    return 0;
+
+    // -=- Palette management
+
+  case WM_PALETTECHANGED:
+    vlog.debug("WM_PALETTECHANGED");
+    if ((HWND)wParam == frameHandle) {
+      vlog.debug("ignoring");
+      break;
+    }
+  case WM_QUERYNEWPALETTE:
+    vlog.debug("re-selecting palette");
+    {
+      WindowDC wdc(frameHandle);
+      PaletteSelector pSel(wdc, windowPalette.getHandle());
+      if (pSel.isRedrawRequired()) {
+        InvalidateRect(frameHandle, 0, FALSE);
+        UpdateWindow(frameHandle);
+      }
+    }
+    return TRUE;
+
+  case WM_VSCROLL:
+  case WM_HSCROLL: 
+    {
+      Point delta;
+      int newpos = (msg == WM_VSCROLL) ? scrolloffset.y : scrolloffset.x;
+
+      switch (LOWORD(wParam)) {
+      case SB_PAGEUP: newpos -= 50; break;
+      case SB_PAGEDOWN: newpos += 50; break;
+      case SB_LINEUP: newpos -= 5; break;
+      case SB_LINEDOWN: newpos += 5; break;
+      case SB_THUMBTRACK:
+      case SB_THUMBPOSITION: newpos = HIWORD(wParam); break;
+      default: vlog.info("received unknown scroll message");
+      };
+
+      if (msg == WM_HSCROLL)
+        setViewportOffset(Point(newpos, scrolloffset.y));
+      else
+        setViewportOffset(Point(scrolloffset.x, newpos));
+  
+      SCROLLINFO si;
+      si.cbSize = sizeof(si); 
+      si.fMask  = SIF_POS; 
+      si.nPos   = newpos; 
+      SetScrollInfo(frameHandle, (msg == WM_VSCROLL) ? SB_VERT : SB_HORZ, &si, TRUE); 
+    }
+    break;
+
+    // -=- Cursor shape/visibility handling
+
+  case WM_SETCURSOR:
+    if (LOWORD(lParam) != HTCLIENT)
+      break;
+    SetCursor(cursorInBuffer ? dotCursor : arrowCursor);
+    return TRUE;
+
+  case WM_MOUSELEAVE:
+    trackingMouseLeave = false;
+    cursorOutsideBuffer();
+    return 0;
+
+    // -=- Mouse input handling
+
+  case WM_MOUSEMOVE:
+  case WM_LBUTTONUP:
+  case WM_MBUTTONUP:
+  case WM_RBUTTONUP:
+  case WM_LBUTTONDOWN:
+  case WM_MBUTTONDOWN:
+  case WM_RBUTTONDOWN:
+#ifdef WM_MOUSEWHEEL
+  case WM_MOUSEWHEEL:
+#endif
+    if (has_focus)
+    {
+      if (!trackingMouseLeave) {
+        TRACKMOUSEEVENT tme;
+        tme.cbSize = sizeof(TRACKMOUSEEVENT);
+        tme.dwFlags = TME_LEAVE;
+        tme.hwndTrack = frameHandle;
+        _TrackMouseEvent(&tme);
+        trackingMouseLeave = true;
+      }
+      int mask = 0;
+      if (LOWORD(wParam) & MK_LBUTTON) mask |= 1;
+      if (LOWORD(wParam) & MK_MBUTTON) mask |= 2;
+      if (LOWORD(wParam) & MK_RBUTTON) mask |= 4;
+
+#ifdef WM_MOUSEWHEEL
+      if (msg == WM_MOUSEWHEEL) {
+        int delta = (short)HIWORD(wParam);
+        int repeats = (abs(delta)+119) / 120;
+        int wheelMask = (delta > 0) ? 8 : 16;
+        vlog.debug("repeats %d, mask %d\n",repeats,wheelMask);
+        for (int i=0; i<repeats; i++) {
+          ptr.pointerEvent(callback, oldpos, mask | wheelMask);
+          ptr.pointerEvent(callback, oldpos, mask);
+        }
+      } else {
+#endif
+        Point clientPos = Point(LOWORD(lParam), HIWORD(lParam));
+        Point p = clientToDesktop(clientPos);
+
+        // If the mouse is not within the server buffer area, do nothing
+        cursorInBuffer = buffer->getRect().contains(p);
+        if (!cursorInBuffer) {
+          cursorOutsideBuffer();
+          break;
+        }
+
+        // If we're locally rendering the cursor then redraw it
+        if (cursorAvailable) {
+          // - Render the cursor!
+          if (!p.equals(cursorPos)) {
+            hideLocalCursor();
+            cursorPos = p;
+            showLocalCursor();
+            if (cursorVisible)
+              hideSystemCursor();
+          }
+        }
+
+        // If we are doing bump-scrolling then try that first...
+        if (processBumpScroll(clientPos))
+          break;
+
+        // Send a pointer event to the server
+        ptr.pointerEvent(callback, p, mask);
+        oldpos = p;
+#ifdef WM_MOUSEWHEEL
+      }
+#endif
+    } else {
+      cursorOutsideBuffer();
+    }
+    break;
+  }
+
+  return rfb::win32::SafeDefWindowProc(frameHandle, msg, wParam, lParam);
+}
+
+
+void
+DesktopWindow::hideLocalCursor() {
+  // - Blit the cursor backing store over the cursor
+  // *** ALWAYS call this BEFORE changing buffer PF!!!
+  if (cursorVisible) {
+    cursorVisible = false;
+    buffer->imageRect(cursorBackingRect, cursorBacking.data);
+    invalidateDesktopRect(cursorBackingRect);
+  }
+}
+
+void
+DesktopWindow::showLocalCursor() {
+  if (cursorAvailable && !cursorVisible && cursorInBuffer) {
+    if (!buffer->getPF().equal(cursor.getPF()) ||
+      cursor.getRect().is_empty()) {
+      vlog.info("attempting to render invalid local cursor");
+      cursorAvailable = false;
+      showSystemCursor();
+      return;
+    }
+    cursorVisible = true;
+    
+    cursorBackingRect = cursor.getRect().translate(cursorPos).translate(cursor.hotspot.negate());
+    cursorBackingRect = cursorBackingRect.intersect(buffer->getRect());
+    buffer->getImage(cursorBacking.data, cursorBackingRect);
+
+    renderLocalCursor();
+
+    invalidateDesktopRect(cursorBackingRect);
+  }
+}
+
+void DesktopWindow::cursorOutsideBuffer()
+{
+  cursorInBuffer = false;
+  hideLocalCursor();
+  showSystemCursor();
+}
+
+void
+DesktopWindow::renderLocalCursor()
+{
+  Rect r = cursor.getRect();
+  r = r.translate(cursorPos).translate(cursor.hotspot.negate());
+  buffer->maskRect(r, cursor.data, cursor.mask.buf);
+}
+
+void
+DesktopWindow::hideSystemCursor() {
+  if (systemCursorVisible) {
+    vlog.debug("hide system cursor");
+    systemCursorVisible = false;
+    ShowCursor(FALSE);
+  }
+}
+
+void
+DesktopWindow::showSystemCursor() {
+  if (!systemCursorVisible) {
+    vlog.debug("show system cursor");
+    systemCursorVisible = true;
+    ShowCursor(TRUE);
+  }
+}
+
+
+bool
+DesktopWindow::invalidateDesktopRect(const Rect& crect) {
+  Rect rect = desktopToClient(crect);
+  if (rect.intersect(client_size).is_empty()) return false;
+  RECT invalid = {rect.tl.x, rect.tl.y, rect.br.x, rect.br.y};
+  InvalidateRect(frameHandle, &invalid, FALSE);
+  return true;
+}
+
+
+void
+DesktopWindow::notifyClipboardChanged(const char* text, int len) {
+  callback->clientCutText(text, len);
+}
+
+
+void
+DesktopWindow::setPF(const PixelFormat& pf) {
+  // If the cursor is the wrong format then clear it
+  if (!pf.equal(buffer->getPF()))
+    setCursor(0, 0, Point(), 0, 0);
+
+  // Update the desktop buffer
+  buffer->setPF(pf);
+  
+  // Redraw the window
+  InvalidateRect(handle, 0, 0);
+}
+
+void
+DesktopWindow::setSize(int w, int h) {
+  vlog.debug("setSize %dx%d", w, h);
+
+  // If the locally-rendered cursor is visible then remove it
+  hideLocalCursor();
+
+  // Resize the backing buffer
+  buffer->setSize(w, h);
+
+  // If the window is not maximised or full-screen then resize it
+  if (!(GetWindowLong(handle, GWL_STYLE) & WS_MAXIMIZE) && !fullscreenActive) {
+    // Resize the window to the required size
+    RECT r = {0, 0, w, h};
+    AdjustWindowRectEx(&r, GetWindowLong(frameHandle, GWL_STYLE), FALSE,
+                       GetWindowLong(frameHandle, GWL_EXSTYLE));
+    if (tb.isVisible())
+      r.bottom += tb.getHeight();
+    AdjustWindowRect(&r, GetWindowLong(handle, GWL_STYLE), FALSE);
+
+    // Resize about the center of the window, and clip to current monitor
+    MonitorInfo mi(handle);
+    resizeWindow(handle, r.right-r.left, r.bottom-r.top);
+    mi.clipTo(handle);
+  } else {
+    // Ensure the screen contents are consistent
+    InvalidateRect(frameHandle, 0, FALSE);
+  }
+
+  // Enable/disable scrollbars as appropriate
+  calculateScrollBars();
+}
+
+void
+DesktopWindow::setCursor(int w, int h, const Point& hotspot, void* data, void* mask) {
+  hideLocalCursor();
+
+  cursor.hotspot = hotspot;
+
+  cursor.setSize(w, h);
+  cursor.setPF(buffer->getPF());
+  cursor.imageRect(cursor.getRect(), data);
+  memcpy(cursor.mask.buf, mask, cursor.maskLen());
+  cursor.crop();
+
+  cursorBacking.setSize(w, h);
+  cursorBacking.setPF(buffer->getPF());
+
+  cursorAvailable = true;
+
+  showLocalCursor();
+}
+
+PixelFormat
+DesktopWindow::getNativePF() const {
+  vlog.debug("getNativePF()");
+  return WindowDC(handle).getPF();
+}
+
+
+void
+DesktopWindow::refreshWindowPalette(int start, int count) {
+  vlog.debug("refreshWindowPalette(%d, %d)", start, count);
+
+  Colour colours[256];
+  if (count > 256) {
+    vlog.debug("%d palette entries", count);
+    throw rdr::Exception("too many palette entries");
+  }
+
+  // Copy the palette from the DIBSectionBuffer
+  ColourMap* cm = buffer->getColourMap();
+  if (!cm) return;
+  for (int i=0; i<count; i++) {
+    int r, g, b;
+    cm->lookup(i, &r, &g, &b);
+    colours[i].r = r;
+    colours[i].g = g;
+    colours[i].b = b;
+  }
+
+  // Set the window palette
+  windowPalette.setEntries(start, count, colours);
+
+  // Cause the window to be redrawn
+  palette_changed = true;
+  InvalidateRect(handle, 0, FALSE);
+}
+
+
+void DesktopWindow::calculateScrollBars() {
+  // Calculate the required size of window
+  DWORD current_style = GetWindowLong(frameHandle, GWL_STYLE);
+  DWORD style = current_style & ~(WS_VSCROLL | WS_HSCROLL);
+  DWORD style_ex = GetWindowLong(frameHandle, GWL_EXSTYLE);
+  DWORD old_style;
+  RECT r;
+  SetRect(&r, 0, 0, buffer->width(), buffer->height());
+  AdjustWindowRectEx(&r, style, FALSE, style_ex);
+  Rect reqd_size = Rect(r.left, r.top, r.right, r.bottom);
+
+  if (!bumpScroll) {
+    // We only enable scrollbars if bump-scrolling is not active.
+    // Effectively, this means if full-screen is not active,
+    // but I think it's better to make these things explicit.
+    
+    // Work out whether scroll bars are required
+    do {
+      old_style = style;
+
+      if (!(style & WS_HSCROLL) && (reqd_size.width() > window_size.width())) {
+        style |= WS_HSCROLL;
+        reqd_size.br.y += GetSystemMetrics(SM_CXHSCROLL);
+      }
+      if (!(style & WS_VSCROLL) && (reqd_size.height() > window_size.height())) {
+        style |= WS_VSCROLL;
+        reqd_size.br.x += GetSystemMetrics(SM_CXVSCROLL);
+      }
+    } while (style != old_style);
+  }
+
+  // Tell Windows to update the window style & cached settings
+  if (style != current_style) {
+    SetWindowLong(frameHandle, GWL_STYLE, style);
+    SetWindowPos(frameHandle, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
+  }
+
+  // Update the scroll settings
+  SCROLLINFO si;
+  if (style & WS_VSCROLL) {
+    si.cbSize = sizeof(si); 
+    si.fMask  = SIF_RANGE | SIF_PAGE | SIF_POS; 
+    si.nMin   = 0; 
+    si.nMax   = buffer->height(); 
+    si.nPage  = buffer->height() - (reqd_size.height() - window_size.height()); 
+    maxscrolloffset.y = max(0, si.nMax-si.nPage);
+    scrolloffset.y = min(maxscrolloffset.y, scrolloffset.y);
+    si.nPos   = scrolloffset.y;
+    SetScrollInfo(frameHandle, SB_VERT, &si, TRUE);
+  }
+  if (style & WS_HSCROLL) {
+    si.cbSize = sizeof(si); 
+    si.fMask  = SIF_RANGE | SIF_PAGE | SIF_POS; 
+    si.nMin   = 0;
+    si.nMax   = buffer->width(); 
+    si.nPage  = buffer->width() - (reqd_size.width() - window_size.width()); 
+    maxscrolloffset.x = max(0, si.nMax-si.nPage);
+    scrolloffset.x = min(maxscrolloffset.x, scrolloffset.x);
+    si.nPos   = scrolloffset.x;
+    SetScrollInfo(frameHandle, SB_HORZ, &si, TRUE);
+  }
+
+  // Update the cached client size
+  GetClientRect(frameHandle, &r);
+  client_size = Rect(r.left, r.top, r.right, r.bottom);
+}
+
+
+void
+DesktopWindow::setName(const char* name) {
+  SetWindowText(handle, TStr(name));
+}
+
+
+void
+DesktopWindow::serverCutText(const char* str, int len) {
+  CharArray t(len+1);
+  memcpy(t.buf, str, len);
+  t.buf[len] = 0;
+  clipboard.setClipText(t.buf);
+}
+
+
+void DesktopWindow::fillRect(const Rect& r, Pixel pix) {
+  if (cursorBackingRect.overlaps(r)) hideLocalCursor();
+  buffer->fillRect(r, pix);
+  invalidateDesktopRect(r);
+}
+void DesktopWindow::imageRect(const Rect& r, void* pixels) {
+  if (cursorBackingRect.overlaps(r)) hideLocalCursor();
+  buffer->imageRect(r, pixels);
+  invalidateDesktopRect(r);
+}
+void DesktopWindow::copyRect(const Rect& r, int srcX, int srcY) {
+  if (cursorBackingRect.overlaps(r) ||
+      cursorBackingRect.overlaps(Rect(srcX, srcY, srcX+r.width(), srcY+r.height())))
+    hideLocalCursor();
+  buffer->copyRect(r, Point(r.tl.x-srcX, r.tl.y-srcY));
+  invalidateDesktopRect(r);
+}
+
+void DesktopWindow::invertRect(const Rect& r) {
+  int stride;
+  rdr::U8* p = buffer->getPixelsRW(r, &stride);
+  for (int y = 0; y < r.height(); y++) {
+    for (int x = 0; x < r.width(); x++) {
+      switch (buffer->getPF().bpp) {
+      case 8:  ((rdr::U8* )p)[x+y*stride] ^= 0xff;       break;
+      case 16: ((rdr::U16*)p)[x+y*stride] ^= 0xffff;     break;
+      case 32: ((rdr::U32*)p)[x+y*stride] ^= 0xffffffff; break;
+      }
+    }
+  }
+  invalidateDesktopRect(r);
+}