GNU bug report logs - #16204
eww does not respect shr-width customization

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From: Kenjiro NAKAYAMA <nakayamakenjiro <at> gmail.com>
To: Ivan Shmakov <ivan <at> siamics.net>
Cc: 16204 <at> debbugs.gnu.org
Subject: bug#16204: eww does not respect shr-width customization
Date: Sat, 21 Dec 2013 23:49:40 +0900

Thank you for your review. But I have some comments. I'm sorry if I
misunderstood.

>     I’d also ask for a separate “do not override” value.  That is:
>
>    (shr-width (if (DO-NOT-SET-P eww-rendering-width)
>                   shr-width
>                 eww-rendering-width))

I'm not sure how to work well with this logic.
I think shr-width should be overridden by nil or new rendering-width
every time, since previous windows-width will be set to shr-width next rendering.

When users change their window-width, the shr-width should be current
window-width, not previous width.

>  > +(defvar eww-rendering-width nil)
>
> 	Shouldn’t it rather be defcustom?

For the above reason, I think defvar is ok.

> 	Shouldn’t this rather be ‘error’?

Yes, it is my mistake. Sorry.

Kenjiro Nakayama


ivan <at> siamics.net writes:

>>>>>> Kenjiro NAKAYAMA <nakayamakenjiro <at> gmail.com> writes:
>>>>>> ivan <at> siamics.net writes:
>
>  >> Package: emacs Severity: wishlist
>
>  >> As currently implemented, eww-display-html simply resets shr-width
>  >> to nil, disrespecting any user’s customization thereof, and
>  >> providing no easy way to specify the HTML rendering width to use in
>  >> EWW buffers.
>
>  > Yes, I think so too.  I wrote the patch to cusomize rendering-width
>  > (shr-width) easily by users.
>
> 	ACK, thanks!
>
> […]
>
>  > --- a/lisp/net/eww.el
>  > +++ b/lisp/net/eww.el
>  > @@ -129,6 +129,7 @@ See also `eww-form-checkbox-selected-symbol'."
>  >  (defvar eww-home-url nil)
>  >  (defvar eww-start-url nil)
>  >  (defvar eww-contents-url nil)
>  > +(defvar eww-rendering-width nil)
>
> 	Shouldn’t it rather be defcustom?
>
>  >  (defvar eww-local-regex "localhost"
>  >    "When this regex is found in the URL, it's not a keyword but an address.")
>  > @@ -255,7 +256,7 @@ word(s) will be searched for via `eww-search-prefix'."
>  >      (setq eww-current-dom document)
>  >      (let ((inhibit-read-only t)
>  >  	  (after-change-functions nil)
>  > -	  (shr-width nil)
>  > +	  (shr-width eww-rendering-width)
>
> 	I’d also ask for a separate “do not override” value.  That is:
>
>    (shr-width (if (DO-NOT-SET-P eww-rendering-width)
>                   shr-width
>                 eww-rendering-width))
>
> 	(And, similarly, defcustom’s :type above being a ‘choice’.)
>
>  >  	  (shr-target-id (url-target (url-generic-parse-url url)))
>  >  	  (shr-external-rendering-functions
>  >  	   '((title . eww-tag-title)
>
> […]
>
>  > @@ -543,6 +546,15 @@ appears in a <link> or <a> tag."
>  >    (url-retrieve eww-current-url 'eww-render
>  >  		(list eww-current-url (point))))
>
>  > +(defun eww-set-rendering-width (width)
>  > +  "Set the redering width."
>  > +  (interactive "nSet new redering width (0: window-width) :")
>  > +  (if (zerop width)
>  > +      (setq eww-rendering-width nil)
>  > +    (if (wholenump width)
>  > +	(setq eww-rendering-width width)
>  > +      (message "Set Number to rendering width"))))
>
> 	Shouldn’t this rather be ‘error’?
>
>  > +
>  >  ;; Form support.
>
>  >  (defvar eww-form nil)

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