Sometimes you just want to browse different files, one after another, without editing/browsing inside the file you just viewed. In that case, you'll want to stay focused on the original panel so you can 1. disable quick view (which now doesn't work becasue the focus is set to the other panel) and/or move up/down list of files to quick view other files listed in the original list of files (aka: the panel which is now not focused)
Omer.