Variable: speedbar-before-popup-hook
speedbar-before-popup-hook is a customizable variable defined in
speedbar.el.gz.
Value
nil
Documentation
Hooks called before popping up the speedbar frame.
Source Code
;; Defined in /usr/src/emacs/lisp/speedbar.el.gz
(defcustom speedbar-before-popup-hook nil
"Hooks called before popping up the speedbar frame."
:group 'speedbar
:type 'hook)