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Re: w3m-view-url-with-external-browser horrible user experience
- From: Katsumi Yamaoka <yamaoka@xxxxxxx>
- Date: Wed, 16 Oct 2013 14:30:49 +0900
- X-ml-name: emacs-w3m
- X-mail-count: 12191
- References: <m138o1j4jn.fsf@xxxxxxxxx>
In [emacs-w3m : No.12190] Leo Liu wrote:
> It's been a long time since I last used emacs-w3m (more than a year) and
> I am appalled by its current behaviour.
> When I M-x w3m-view-url-with-external-browser, it displays for SECONDS
> Browsing <http://whatever.com/>...
> leaving me in suspense when the GUI browser is popping to the front
> stealing me away from emacs.
> The sane behaviour should be like browse-url, where if GUI browser is
> used open the url immediately so that users can M-TAB to switch back to
Does it really take SECONDS? Though I've never felt it inconvenient,
normal web browsing using emacs-w3m will take SECONDS too, IIUC.
`w3m-view-url-with-external-browser' fetches the header of a url
before launching an external browser, in order to examine the
content type of a url and choose an external browser according
to the user option `w3m-content-type-alist'. For instance, it
launches an image viewer for image/* types, launches xdvi for
the application/dvi type, etc. Yes, fetching the header is
indeed an overhead (it runs w3m) if you don't want to use a
browser other than your kitchen sink web browser. But it is
author's will or purpose, maybe. Instead, you can replace it
with the one like this:
(defun w3m-view-url-with-browse-url ()
(let ((url (or (w3m-anchor) (w3m-image) w3m-current-url)))
(when (w3m-url-valid url)
(message "Browsing <%s>..." url)
(define-key w3m-mode-map "M" 'w3m-view-url-with-browse-url)