Is it possible to have only one mode line (sometimes referred as "statusbar") for all windows?

I'd like to make this single mode line show information about the currently selected buffer.

  • 2
    Perhaps you could borrow the concept in the attached thread and create a dedicated window on the bottom of every frame, which shows only a custom mode-line? emacs.stackexchange.com/questions/7697/… – lawlist Feb 24 '15 at 22:18
  • Surely you mean windows, not frames? – abo-abo Feb 25 '15 at 11:42
  • Good catch. Yes, I mean windows. – rgtk Feb 25 '15 at 13:18

I don't have a solution for a single modeline, but here are two possible alternative solutions:

1. Only render the mode line in the active window:

If you use powerline, you could wrap your mode-line-format in:

((:eval (when (powerline-selected-window-active) ...)))

then change the mode-line-inactive face so blends with your background but still separates buffers with:

(set-face-attribute 'mode-line-inactive nil
                    :underline t
                    :background (face-background 'default))

This will look like this:

enter image description here

2. Use the frame-title-format

Your frame-title-format determines what is show on the top of your frame when running in a gui.

Set the frame-title-format' like you would yourmode-line-format` and them set your mode-line-format to something blank-ish.


I've finally achieved this by hacking emacs. Demo

You can get the source code from https://github.com/amosbird/emacs/tree/onemodeline . Basically it uses mini-window's header line to render current buffer's modeline.

  • Does this still work/work with emacs 26.1? – rien333 Jul 8 '18 at 17:05
  • @rien333 It should. But this method is indeed very fragile. There are still hardcoded logic that requires mini window being one line. However I couldn't find them all. – Amos Jul 9 '18 at 7:34

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