GNU bug report logs - #16211
eww should support multiple *eww* buffers

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Message #32 received at 16211 <at> debbugs.gnu.org (full text, mbox):

From: Ivan Shmakov <ivan <at> siamics.net>
To: 16211 <at> debbugs.gnu.org
Cc: Lars Ingebrigtsen <larsi <at> gnus.org>
Subject: Re: bug#16211: eww should support multiple *eww* buffers
Date: Tue, 24 Dec 2013 08:49:47 +0000

>>>>> Lars Ingebrigtsen <larsi <at> gnus.org> writes:
>>>>> Ted Zlatanov <tzz <at> lifelogs.com> writes:

 >> I was talking about "tabs" and "windows" specifically, which imply a
 >> collection of eww buffers should be somehow associated.  Anyhow, as
 >> I said, I'm in favor of this as well, I just didn't want to assume
 >> this direction was desirable.

 > I'm not sure I quite see the value in grouping eww buffers in tabs,
 > but it should be possible to just rename an eww buffer and create new
 > ones with `M-x eww'.  That's almost possible now, perhaps?  The eww
 > buffer uses only buffer-local variables (or is supposed to), so
 > things should, like work.

 > But I haven't tried doing that at all, so the likelihood of that
 > working is probably zero.  >"?  But it should be fixable.

	The problem is that trying to M-x eww, or to follow a link, in
	such a renamed buffer, results in the target document still
	being rendered in the *eww* buffer.

	As I’ve already mentioned [1, 2], it happens because
	url-retrieve (as called by M-x eww and M-x eww-reload) calls its
	callback (which is eww-render in these cases) /not/ in the
	original buffer, but instead in a buffer holding the data
	fetched from the URI specified.  Which makes it necessary to
	pass the original buffer (the one from which M-x eww is called)
	to eww-render (through the ‘cbargs’ argument to url-retrieve.)

	Then, eww-render may pass the buffer to eww-setup-buffer, either
	via a dynamically-bound variable, or as an argument.
	(Alternatively, eww-render may switch to the buffer by itself.)

[1] http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16211#5
[2] http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16211#11

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