(require 'sr-speedbar)

(setq speedbar-frame-parameters
      '((minibuffer)
	(width . 40)
	(border-width . 0)
	(menu-bar-lines . 0)
	(tool-bar-lines . 0)
	(unsplittable . t)
	(left-fringe . 0)))
(setq speedbar-hide-button-brackets-flag t)
(setq speedbar-show-unknown-files t)
(setq speedbar-smart-directory-expand-flag t)
(setq speedbar-use-images nil)
(setq sr-speedbar-auto-refresh nil)
(setq sr-speedbar-max-width 70)
(setq sr-speedbar-right-side nil)
(setq sr-speedbar-width-console 40)

(when window-system
  (defadvice sr-speedbar-open (after sr-speedbar-open-resize-frame activate)
    (set-frame-width (selected-frame)
                     (+ (frame-width) sr-speedbar-width)))
  (ad-enable-advice 'sr-speedbar-open 'after 'sr-speedbar-open-resize-frame)

  (defadvice sr-speedbar-close (after sr-speedbar-close-resize-frame activate)
    (sr-speedbar-recalculate-width)
    (set-frame-width (selected-frame)
                     (- (frame-width) sr-speedbar-width)))
  (ad-enable-advice 'sr-speedbar-close 'after 'sr-speedbar-close-resize-frame))