RecentFilter.addCustom

Adds a rule to a filter that allows resources based on a custom callback function. The bitfield needed which is passed in provides information about what sorts of information that the filter function needs; this allows GTK+ to avoid retrieving expensive information when it isn’t needed by the filter.

Parameters

neededbitfield of flags indicating the information that the custom filter function needs.
funccallback function; if the function returns true, then the file will be displayed.