--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: common/clntdata.cpp
+// Purpose: A mixin class for holding a wxClientData or void pointer
+// Author: Robin Dunn
+// Modified by:
+// Created: 9-Oct-2001
+// RCS-ID: $Id$
+// Copyright: (c) wxWindows team
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+ #pragma implementation "clntdata.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#include "wx/clntdata.h"
+
+
+// ----------------------------------------------------------------------------
+
+
+wxClientDataContainer::wxClientDataContainer()
+{
+ // no client data (yet)
+ m_clientData = NULL;
+ m_clientDataType = wxClientData_None;
+}
+
+wxClientDataContainer::~wxClientDataContainer()
+{
+ // we only delete object data, not untyped
+ if ( m_clientDataType == wxClientData_Object )
+ delete m_clientObject;
+}
+
+void wxClientDataContainer::DoSetClientObject( wxClientData *data )
+{
+ wxASSERT_MSG( m_clientDataType != wxClientData_Void,
+ wxT("can't have both object and void client data") );
+
+ if ( m_clientObject )
+ delete m_clientObject;
+
+ m_clientObject = data;
+ m_clientDataType = wxClientData_Object;
+}
+
+wxClientData *wxClientDataContainer::DoGetClientObject() const
+{
+ // it's not an error to call GetClientObject() on a window which doesn't
+ // have client data at all - NULL will be returned
+ wxASSERT_MSG( m_clientDataType != wxClientData_Void,
+ wxT("this window doesn't have object client data") );
+
+ return m_clientObject;
+}
+
+void wxClientDataContainer::DoSetClientData( void *data )
+{
+ wxASSERT_MSG( m_clientDataType != wxClientData_Object,
+ wxT("can't have both object and void client data") );
+
+ m_clientData = data;
+ m_clientDataType = wxClientData_Void;
+}
+
+void *wxClientDataContainer::DoGetClientData() const
+{
+ // it's not an error to call GetClientData() on a window which doesn't have
+ // client data at all - NULL will be returned
+ wxASSERT_MSG( m_clientDataType != wxClientData_Object,
+ wxT("this window doesn't have void client data") );
+
+ return m_clientData;
+}
+
+
+// ----------------------------------------------------------------------------
+
+