How to call enlarge-window function depends on current window in Emacs -


i set keybinding following. 

(global-set-key [m-down] 'shrink-window) (global-set-key [m-up] 'enlarge-window)

so m-up can enlarge-window , m-down otherwise. want enlarge window m-up if current window lower side. , if current window upper side m-up want call shrink-window function.

likewise want shrink window m-down if current window lower side , enlarge if current window upper side.

in other words, want indicate direction of window separator.

how can write function?

i finishing code answer came up. oh well.

(require 'windmove) (global-set-key [m-up]                  (lambda() (interactive)                        (call-interactively                         (if (windmove-find-other-window 'up)                             'enlarge-window                           'shrink-window))))  (global-set-key [m-down]                  (lambda() (interactive)                        (call-interactively                         (if (not (windmove-find-other-window 'up))                             'enlarge-window                           'shrink-window))))

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