Qt Creator does not show beginnings of hints

When tried to open a hint for a method like this:
virtual void setSkyDome(
bool enable, const String& materialName, Real curvature = 10,
Real tiling = 8, Real distance = 4000, bool drawFirst = true,
const Quaternion& orientation = Quaternion::IDENTITY,
int xsegments = 16, int ysegments = 16, int ysegments_keep = -1,
const String& groupName = ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
Getting editor hint like in attached screenshot. This is definitely not comfortable and requires a fix. My suggestions is to place one argument at one line.