0000555: 3D navigation using a two-button laptop touchpad

git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5373 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d

src/Gui/SoFCDB.cpp

@@ -123,6 +123,7 @@ void Gui::SoFCDB::init()
     InventorNavigationStyle         ::init();
     CADNavigationStyle              ::init();
     BlenderNavigationStyle          ::init();
+    TouchpadNavigationStyle         ::init();
 
     qRegisterMetaType<Base::Vector3f>("Base::Vector3f");
     qRegisterMetaType<Base::Vector3d>("Base::Vector3d");