Adds filter to the list of filters that the user can select between.
When a filter is selected, only files that are passed by that filter are displayed.
Note that the chooser takes ownership of the filter if it is floating, so you have to ref and sink it if you want to keep a reference.
a gtk.file_filter.FileFilter
Deprecated: Use gtk.file_dialog.FileDialog instead
Adds filter to the list of filters that the user can select between.
When a filter is selected, only files that are passed by that filter are displayed.
Note that the chooser takes ownership of the filter if it is floating, so you have to ref and sink it if you want to keep a reference.