Subject: Re: bug#53629: 27.1: add option to change face `mode-line-buffer-id` when mode-line is inactive

From: Lars Ingebrigtsen <[email-masked]>
Date: Sat, 05 Feb 2022 08:52:46 +0100

martin rudalics <[email-masked]> writes:

> I disregarded the useless complication that 'minibuffer-selected-window'
> returns nil when the selected window is not a minibuffer window.  Please
> try the below.
>
> martin
>
> (defun my-buffer-identification (fmt)
>   (list (propertize
> 	 fmt
> 	 'face (if (let ((window (selected-window)))
> 		     (or (eq window (old-selected-window))
> 			 (and (minibuffer-window-active-p (minibuffer-window))
> 			      (with-selected-window (minibuffer-window)
> 				(eq window (minibuffer-selected-window))))))

Thanks; seems to work fine.  Perhaps we should make this into a utility
function and then document this technique in the manual in the mode line
section?

-- 
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   bloggy blog: http://lars.ingebrigtsen.no