Hi
I can see that the form Display Results method is set to As an Archive
, and this does not support the ‘remain in the category URL’ type of function that you want. I think that the Post Type Archive
method does, but that may not be suitable for you.
With the next major release (V3), I think this will be possible, but that is a few months away yet (but we are currently coding it).
If you want the form to detect which category you are in, on the General tab you must check the option Choose which kinds of pages S&F will try to do this on:
… Tag, Category & Taxonomy Archives
AND add the category/taxonomy to the form so that it can be filled in (even if you hide that field control using custom CSS).