--- a/qmlFrontend/hwengine.h	Wed Dec 02 13:39:16 2015 +0300
+++ b/qmlFrontend/hwengine.h	Wed Dec 02 22:21:23 2015 +0300
@@ -80,6 +80,7 @@
     void mazeSizeChanged(int mazeSize);
     void templateChanged(int templ);
     void ammoChanged(const QString & ammo);
+    void schemeChanged(const QString & scheme);
 
     void roomAdded(quint32 flags
                    , const QString & name