I'd like a small Editor that had autocomplete/follow function etc. for C++. So far Qt Creator is fine but it's hit or miss to get those features working right

I'd like a small Editor that had autocomplete/follow function etc. for C++. So far Qt Creator is fine but it's hit or miss to get those features working right on each system and it's​ missing a call tree. Plus, it's heavy and doesn't have a command line interface.