new file mode 100644
--- /dev/null
+++ b/host/tools/configtool/common/win32/SplitterWndEx.cpp
@@ -0,0 +1,187 @@
+//####COPYRIGHTBEGIN####
+//                                                                          
+// ----------------------------------------------------------------------------
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
+//
+// This program is part of the eCos host tools.
+//
+// This program 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 program 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 program; if not, write to the Free Software Foundation, Inc., 
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+// ----------------------------------------------------------------------------
+//                                                                          
+//####COPYRIGHTEND####
+//
+//===========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): 	sdf
+// Contact(s):	sdf
+// Date:		1998/08/11
+// Version:		0.01
+// Purpose:	
+// Description:	This is the implementation of the extended splitter window class.
+// Requires:	
+// Provides:	
+// See also:    
+// Known bugs:	
+// Usage:	
+//
+//####DESCRIPTIONEND####
+//
+//===========================================================================
+#include "stdafx.h"
+#include "SplitterWndEx.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+////////////////////////////////////////////////////////////////////////////
+//
+// CSplitterWndEx
+
+CSplitterWndEx::CSplitterWndEx():
+	m_fRowColumnRatio(0.0)
+{
+	m_bParentHide=FALSE;
+	m_pwnd1=m_pwnd2=NULL;
+}
+
+BEGIN_MESSAGE_MAP(CSplitterWndEx, CSplitterWnd)
+//{{AFX_MSG_MAP(CSplitterWndEx)
+	ON_WM_MOUSEWHEEL()
+	ON_WM_SIZE()
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+void CSplitterWndEx::ShowPane(CWnd * pWnd,BOOL bShow)
+{
+	if(m_pwnd1==NULL){
+		m_pwnd1=GetPane(0,0);
+		m_pwnd2=GetPane(!IsHorizontal(),IsHorizontal());
+	}
+	
+	ASSERT(pWnd==m_pwnd1 || pWnd==m_pwnd2);
+
+	int &nRowCols=IsHorizontal()?m_nCols:m_nRows;
+
+	if(bShow){
+		if(!pWnd->IsWindowVisible()){
+			if(m_bParentHide){
+				((CSplitterWndEx *)GetParent())->ShowPane(this,TRUE);
+				// Ensure the correct pane reappears
+				if(GetPane(0,0)!=pWnd){
+					// Need to swap the entries
+					SwapRowColInfo();
+				}
+				m_bParentHide=FALSE;
+			} else { // maybe nothing to do
+				nRowCols++;
+				if(pWnd==m_pwnd1){
+					// Need to swap the entries
+					SwapRowColInfo();
+				}
+			}
+
+			pWnd->ShowWindow(SW_SHOW);
+		}
+		if(pWnd==m_pwnd1){
+			m_pwnd1->SetDlgCtrlID(AFX_IDW_PANE_FIRST);
+			m_pwnd2->SetDlgCtrlID(AFX_IDW_PANE_FIRST+(IsHorizontal()?1:16));
+		}
+	} else {
+		if(pWnd->IsWindowVisible()){
+
+			pWnd->ShowWindow(SW_HIDE);
+			if(nRowCols == 1) {
+				m_bParentHide=TRUE;
+				((CSplitterWndEx *)GetParent())->ShowPane(this,FALSE);
+			} else {
+				// Both panes currently active
+				int rowActive, colActive;
+				if (GetActivePane(&rowActive, &colActive) != NULL && pWnd==GetPane(rowActive, colActive)){
+          int bHorz=IsHorizontal();
+					SetActivePane((!bHorz)&(rowActive^1), (bHorz)&(colActive^1));
+				}
+				if(pWnd==m_pwnd1){
+					SwapRowColInfo();
+					m_pwnd2->SetDlgCtrlID(AFX_IDW_PANE_FIRST);
+					m_pwnd1->SetDlgCtrlID(AFX_IDW_PANE_FIRST+1);
+				}
+				nRowCols--;
+			}
+		}
+	}
+	RecalcLayout();
+}
+
+void CSplitterWndEx::SwapRowColInfo()
+{
+	CRowColInfo*& pRowColInfo=IsHorizontal()?m_pColInfo:m_pRowInfo;
+
+	// Need to swap the entries
+	CRowColInfo save;
+	memcpy(&save,&pRowColInfo[0],sizeof CRowColInfo);
+	memcpy(&pRowColInfo[0],&pRowColInfo[1],sizeof CRowColInfo);
+	memcpy(&pRowColInfo[1],&save,sizeof CRowColInfo);
+}
+
+
+// We do this because the CSplitterWnd implementation assumes both children are derived
+// from CScrollView - so here we just let the children handle the message themselves.
+BOOL CSplitterWndEx::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt) 
+{
+	return TRUE;
+	UNUSED_ALWAYS(nFlags);
+	UNUSED_ALWAYS(zDelta);
+	UNUSED_ALWAYS(pt);
+}
+
+void CSplitterWndEx::OnSize(UINT nType, int cx, int cy) 
+{
+	int &nRowCols=IsHorizontal()?m_nCols:m_nRows;
+	CRowColInfo *&RowColInfo=IsHorizontal()?m_pColInfo:m_pRowInfo;
+	if(nRowCols>1 && (cx|cy) && m_fRowColumnRatio!=0.0){
+		RowColInfo[0].nIdealSize=int(0.5 + m_fRowColumnRatio * double(IsHorizontal()?cx:cy));
+	}
+	CSplitterWnd::OnSize( nType, cx, cy );
+}
+
+void CSplitterWndEx::RecalcLayout()
+{
+	CSplitterWnd::RecalcLayout();
+	CRowColInfo *&RowColInfo=IsHorizontal()?m_pColInfo:m_pRowInfo;
+	int &nRowCols=IsHorizontal()?m_nCols:m_nRows;
+	if (nRowCols==2 && RowColInfo[0].nCurSize && RowColInfo[1].nCurSize){
+		CRect rect;
+		GetClientRect(rect);
+		m_fRowColumnRatio=double(RowColInfo[0].nCurSize)/double(IsHorizontal()?rect.Width():rect.Height());
+	}
+}
+
+double CSplitterWndEx::GetSplitPoint()
+{
+  return m_fRowColumnRatio;
+}
+
+void CSplitterWndEx::SetSplitPoint(double fSplit)
+{
+  m_fRowColumnRatio=fSplit;
+  CRect rc;
+  GetClientRect(rc);
+  OnSize(SIZE_RESTORED,rc.Width(),rc.Height());
+}