--- /dev/null	
+++ scsolver/source/ui/option.cxx	
@@ -0,0 +1,80 @@
+/*************************************************************************
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2005 by Kohei Yoshida.
+ *    1039 Kingsway Dr., Apex, NC 27502, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library 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
+ *    Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+#include "option.hxx"
+
+namespace scsolver {
+
+/**
+ *  This is where the values of options settings are stored. The
+ *  default values are specified in the constructor.
+ */
+struct OptionDataImpl
+{
+	OptionDataImpl() :
+		VarPositive(true),
+		ModelType(OPTMODELTYPE_LP)
+	{
+	}
+
+	~OptionDataImpl() throw() {}
+
+	bool VarPositive:1;
+	OptModelType ModelType;
+};
+
+//-----------------------------------------------------------------
+
+OptionData::OptionData() : m_pImpl( new OptionDataImpl )
+{
+}
+
+OptionData::~OptionData() throw()
+{
+}
+
+void OptionData::setVarPositive( bool b )
+{
+	m_pImpl->VarPositive = b;
+}
+
+bool OptionData::getVarPositive() const
+{
+	return m_pImpl->VarPositive;
+}
+
+void OptionData::setModelType( OptModelType type )
+{
+	m_pImpl->ModelType = type;
+}
+
+OptModelType OptionData::getModelType() const
+{
+	return m_pImpl->ModelType;
+}
+
+}
