Country restriction in member search field

Hey,

I already managed to restrict my location field to a certain country and to minimize the autocomplete suggestion to only cities. This change (which I made in the php file “class-pp-field-type-location.php”) grabs the location input field within the user profile.

On the member loop I use BP Profile Search. Unfortunately, my above mentioned php changes does not grab the field input in the search box, too. Here it is still possible to enter any values in any country. How can I adapt this autocomplete form as well?

Thank you for your help.
Basti