--- a
+++ b/src/qtgui/rclzg.h
@@ -0,0 +1,30 @@
+/* Copyright (C) 2012 J.F.Dockes
+ *   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.
+ */
+#ifndef _RCLZG_H_INCLUDED_
+#define _RCLZG_H_INCLUDED_
+
+#include "rcldoc.h"
+
+enum ZgSendType {ZGSEND_PREVIEW, ZGSEND_OPEN};
+
+#ifndef USE_ZEITGEIST
+inline void zg_send_event(ZgSendType, const Rcl::Doc&){}
+#else 
+extern void zg_send_event(ZgSendType tp, const Rcl::Doc& doc);
+#endif
+
+#endif // _RCLZG_H_INCLUDED_