Fix for EV size when navigation bar toggled, related to #4030

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36037 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Refactoring

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36038 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
only show tooltips on user input (#4474)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36039 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e