#3749 - fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29581 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
leonar3do : 3D mouse events

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29582 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e