e2wm-perspb

(setq e2wm:c-code-recipe
      '(| (:left-max-size 40)
          (- (:upper-size-ratio 0.6)
             files history)
          (- (:lower-max-size 150)
             (| (:right-max-size 40)
                main imenu)
             sub)))

(setq e2wm:c-code-winfo
      '((:name main)
        (:name files   :plugin files)
        (:name history :plugin perspb)
        (:name imenu   :plugin imenu :default-hide nil)
        (:name sub     :buffer "*info*" :default-hide t)))

(e2wm:add-keymap
 e2wm:dp-two-minor-mode-map
 '(("C-." . e2wm-perspb:switch-to-down-entry-command)
   ("C-," . e2wm-perspb:switch-to-up-entry-command)
   ) e2wm:prefix-key)

For detail, see <https://github.com/aki2o/e2wm-perspb/blob/master/README.md>

Enjoy!!!