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Re: closing emacsclient always focuses another emacs window


From: Michael Heerdegen
Subject: Re: closing emacsclient always focuses another emacs window
Date: Mon, 10 Mar 2014 05:30:42 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

> Not sure, because it doesn't match what we see.  Could be.

I think I found something which I hope could explain the confusion.

When the OP hits C-x #, this is executed in `server-edit':

    (apply 'server-switch-buffer (server-done))

`server-done' returns a list (nil ...), so this code at the beginning of
`server-switch-buffer' is executed:

(if (null next-buffer)
      (progn
        (let ((rest server-clients))
          (while (and rest (not next-buffer))
            (let ((proc (car rest)))
              ;; Only look at frameless clients, or those in the selected
              ;; frame.
              (when (or (not (process-get proc 'frame))
                        (eq (process-get proc 'frame) (selected-frame)))
                (setq next-buffer (car (process-get proc 'buffers))))
              (setq rest (cdr rest)))))
        (and next-buffer (server-switch-buffer next-buffer killed-one))
        (unless (or next-buffer killed-one (window-dedicated-p))
          ;; (switch-to-buffer (other-buffer))
          (message "No server buffers remain to edit"))) ...

It seems that (selected-frame) is intended to "mean" the frame focused
when we hit C-x #.  But note that evaluating the argument (server-done)
has the side effect of deleting that frame.  Under the right
circumstances, the selected frame now can be any frame, including the
other emacsclient frame.  In this case, `next-buffer' will be set and
the newly selected frame will be focused by the recursive call of
`server-switch-buffer'.


Regards,

Michael.




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