Ctrl+N dialog does not accept fully qualified name of a class.
Maybe, it is by design?
But I need a cool window where I can pase FQN and navigate to the source.
Ctrl+N dialog looks like a suitable palce for it.
Use the following rule: if text in dialog contains period, treat it as FQN.
If pattern contains ".":
E.g:
All in all, rules should be thought out better and experimental implementation should be done for dogfooding.