From: martin rudalics <rudalics@gmx.at>
To: Stephen Leake <stephen_leake@stephe-leake.org>
Cc: emacs-devel@gnu.org
Subject: Re: managing windows in two frames
Date: Sat, 07 Sep 2013 11:37:49 +0200 [thread overview]
Message-ID: <522AF3ED.3090601@gmx.at> (raw)
In-Reply-To: <85hadx584g.fsf@stephe-leake.org>
> `find-file' does not call `display-buffer'; `find-file-other-window'
> does call `display-buffer'. (I just checked by enabling Edebug in
> display-buffer.)
>
> `find-file' calls `switch-to-buffer' which calls `pop-to-buffer'.
Usually, `switch-to-buffer' simply sets the buffer of the selected
window. It calls `pop-to-buffer' only if something unexpected happens.
But you're right in the sense that `find-file' is usually not affected
by `display-buffer-alist'.
> The same is true for all the other "put a buffer in this window"
> user level functions I've encountered.
Right. There was a period where Stefan wanted to deprecate calls of
`switch-to-buffer' from Elisp but later Chong restored the old behavior
(and neither wanted to change the specification of `switch-to-buffer'
itself). IIRC he simply wanted to keep the old semantics unchanged.
> `display-buffer-same-window' is an action for `display-buffer'.
>
> Ah! We could change the implementation of `find-file' to use
> `display-buffer' with an action of `display-buffer-same-window'; that
> action would be changed by prefix C-x 4 or C-x 5.
Yes. We'd definitely have to replace all `switch-to-buffer' calls to
propose an action like `display-buffer-same-window' if we wanted to make
the prefixes work here. But we have to do it in some "overriding" sense
to make sure that a user's "general" `display-buffer-alist' settings
don't interfere with the semantics of the current operation.
> `find-file-other-window' could then be implemented by setting
> `display-buffer-overriding-action' and calling `find-file'.
>
> That would make sense, and should be mostly transparent to users. All
> the other similar functions would have to be changed in a similar way -
> I haven't tried to enumerate them. We could implement C-x 4 and 5 for
> the current uses of `display-buffer' first, and see how people like it.
We first have to handle the case where `display-buffer' pops up a
*Completions* window (which might pop up a *Backtrace* window ...). I
yet have no good idea how to do that.
martin
next prev parent reply other threads:[~2013-09-07 9:37 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-03 9:11 managing windows in two frames Stephen Leake
2013-09-03 12:52 ` martin rudalics
2013-09-04 18:16 ` Stephen Leake
2013-09-04 18:24 ` Stephen Leake
2013-09-04 19:33 ` Stefan Monnier
2013-09-04 21:22 ` Stephen Leake
2013-09-06 10:53 ` martin rudalics
2013-09-07 8:49 ` Stephen Leake
2013-09-07 9:37 ` martin rudalics [this message]
2013-09-07 13:19 ` Stephen Leake
2013-09-08 7:56 ` martin rudalics
2013-09-04 21:33 ` Drew Adams
2013-09-06 10:52 ` martin rudalics
2013-09-06 13:22 ` Stefan Monnier
2013-09-06 10:52 ` martin rudalics
2013-09-07 8:56 ` Stephen Leake
2013-09-07 9:37 ` martin rudalics
2013-09-07 13:29 ` Stephen Leake
2013-09-03 13:59 ` Stefan Monnier
2013-09-03 14:15 ` martin rudalics
2013-09-03 14:30 ` Stefan Monnier
2013-09-03 16:23 ` martin rudalics
2013-09-03 20:34 ` Stefan Monnier
2013-09-04 6:25 ` martin rudalics
2013-09-04 13:24 ` Stefan Monnier
2013-09-04 15:04 ` martin rudalics
2013-09-04 17:44 ` Stefan Monnier
2013-09-06 10:53 ` martin rudalics
2013-09-06 13:44 ` Stefan Monnier
2013-09-06 17:14 ` martin rudalics
2013-09-06 19:00 ` Stefan Monnier
2013-09-07 9:37 ` martin rudalics
2013-09-08 17:55 ` Stefan Monnier
2013-09-09 8:10 ` martin rudalics
2013-09-09 14:05 ` Stefan Monnier
2013-09-04 18:19 ` Stephen Leake
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