This is great. Have a way to restore killed frame will be a good replacement for my suggestion.
Thanks for your sharing. Michael.

Michael Heerdegen <michael_heerdegen@web.de> writes:

> Michael Heerdegen <michael_heerdegen@web.de> writes:
>
>> Wouldn't it be much more useful to be able to restore a killed frame?
>
> Like this maybe?
>
> #+begin_src emacs-lisp
> (require 'frameset)
> (require 'cl-lib)
>
> (defvar my-killed-frame-ring-size 10)
> (defvar my-killed-frames (make-ring my-killed-frame-ring-size))
>
> (advice-add 'delete-frame :before #'my-remember-deleted-frame)
>
> (defun my-remember-deleted-frame (&optional frame _force)
>   (ring-insert my-killed-frames
>                (frameset-save (list (or frame (selected-frame))))))
>
> (defun my-restore-killed-frame (&optional n)
>   (interactive "p")
>   (let ((frames-before (frame-list)))
>     (frameset-restore (ring-ref my-killed-frames (- (or n 1) 1)))
>     (let ((restored (cl-set-difference (frame-list) frames-before)))
>       (when (and restored (not (cdr restored)))
>         (select-frame-set-input-focus (car restored))))))
>
> (global-set-key [?\C-x ?5 ?t] #'my-restore-killed-frame)
> #+end_src
>
> Michael.


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