The file-link Widget

Syntax:

type ::= (file-link [keyword argument]...  file)

A widget to represent a link to a file. Its super is the link widget.

It overrides the :action property, to a function to find the file file.

Example:

(let ((elisp-files (directory-files user-emacs-directory t ".el$")))
  (dolist (file elisp-files)
    (widget-create 'file-link
                   :button-prefix ""
                   :button-suffix ""
                   file)
    (widget-insert "\n")))