Find in current directory

I made shortcut that opens me new find lister set to current directory (for find files). After I search one directory I want to find files in another but not by adding new one (what is very slow because of that directory tree dialog) but by enter that directory and use some key shortcut to change "Find in" field to current one. How can I do that?

Just click the lock icon at the top of the Find panel. It will then always use the current folder (unless it's a collection) and change folder when you do.

That's exactly what I need. Thank you.