#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
SVTK_SpaceMouseX* aSpaceMouse = SVTK_SpaceMouseX::getInstance();
if ( aSpaceMouse && aSpaceMouse->isSpaceMouseOn() )
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
SVTK_SpaceMouseX* aSpaceMouse = SVTK_SpaceMouseX::getInstance();
if ( aSpaceMouse && aSpaceMouse->isSpaceMouseOn() )