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diff --git a/include/kiface_i.h b/include/kiface_i.h
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+#ifndef KIFACE_I_H_
+#define KIFACE_I_H_
+
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 1992-2014 KiCad Developers, see AUTHORS.txt for contributors.
+ *
+ * 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, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+
+#include <kiway.h>
+#include <bin_mod.h>
+
+
+/**
+ * Class KIFACE_I
+ * is a KIFACE (I)mplementation,
+ * with some features useful for DSOs which implement a KIFACE.
+ * It is abstract, a few functions must be implemented in derivations.
+ */
+class KIFACE_I : public KIFACE
+{
+public:
+
+    //-----<KIFACE API>----------------------------------------------------------
+
+        // see base class KIFACE in kiway.h for doxygen docs
+
+    VTBL_ENTRY bool OnKifaceStart( PGM_BASE* aProgram, int aCtlBits ) = 0;
+    /*
+    {
+        typically call start_common() in your overload
+        return start_common();
+    }
+    */
+
+    VTBL_ENTRY void OnKifaceEnd()
+    {
+        // overload this if you want, end_common() may be handy.
+        end_common();
+    }
+
+    VTBL_ENTRY  wxWindow* CreateWindow( wxWindow* aParent,
+            int aClassId, KIWAY* aKIWAY, int aCtlBits = 0 ) = 0;
+
+    VTBL_ENTRY void* IfaceOrAddress( int aDataId ) = 0;
+
+    //-----</KIFACE API>---------------------------------------------------------
+
+    // The remainder are DSO specific helpers, not part of the KIFACE API
+
+    /**
+     * Constructor
+     *
+     * @param aKifaceName should point to a C string in permanent storage,
+     * which contains the name of the DSO.  Examples: "eeschema", "pcbnew", etc.
+     * This controls the name of the wxConfigBase established in m_bm,
+     * so it should be lowercase.
+     */
+    KIFACE_I( const char* aKifaceName, KIWAY::FACE_T aId ) :
+        m_id( aId ),
+        m_bm( aKifaceName ),
+        m_start_flags( 0 )
+    {
+    }
+
+    // ~KIFACE_I();
+
+protected:
+
+    /// Common things to do for a top program module, during OnKifaceStart().
+    bool start_common( int aCtlBits );
+
+    /// Common things to do for a top program module, during OnKifaceEnd();
+    void end_common();
+
+    // From here down should probably not be in a KIFACE, even though they
+    // are DSO specific, they have nothing to do with KIWAY's use of KIFACE,
+    // so its a questionable choice to put non KIWAY client code in this class.
+
+public:
+
+    const wxString Name()                               { return wxString::FromUTF8( m_bm.m_name ); }
+
+    wxConfigBase* KifaceSettings() const                { return m_bm.m_config; }
+
+    /**
+     * Function StartFlags
+     * returns whatever was passed as @a aCtlBits to OnKifaceStart()
+     */
+    int StartFlags() const                              { return m_start_flags; }
+
+    /**
+     * Function IsSingle
+     * is this KIFACE_I running under single_top?
+     */
+    bool IsSingle() const                               { return m_start_flags & KFCTL_STANDALONE; }
+
+    /**
+     * Function GetHelpFileName
+     * returns just the basename portion of the current help file.
+     */
+    const wxString& GetHelpFileName() const             { return m_bm.m_help_file; }
+
+    wxFileHistory& GetFileHistory()                     { return m_bm.m_history; }
+
+    /// Only for DSO specific 'non-library' files.
+    /// (The library search path is in the PROJECT class.)
+    SEARCH_STACK&       KifaceSearch()                  { return m_bm.m_search; }
+
+private:
+    KIWAY::FACE_T       m_id;
+
+    BIN_MOD             m_bm;
+
+    int                 m_start_flags;      ///< flags provided in OnKifaceStart()
+};
+
+
+/// Global KIFACE_I "get" accessor.
+KIFACE_I& Kiface();
+
+#endif // KIFACE_I_H_