GNU bug report logs - #4377
allow one to still choose xpdf instead of doc-view

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: jidanni <at> jidanni.org
To: yamaoka <at> jpl.org
Cc: emacs-w3m <at> namazu.org, emacs-pretest-bug <at> gnu.org
Subject: allow one to still choose xpdf instead of doc-view
Date: Wed, 09 Sep 2009 02:28:42 +0800

My god, that's tons and tons of lisp to add to one's .emacs file, just
to say "I wish to have emacs still call xpdf when encountering a .pdf
file, like back before they introduced doc-view".

I'm filing an emacs-pretest-bug so they will make it easier to allow one
to choose if one wants doc-view, or stick with xpdf.

>>>>> "KY" == Katsumi Yamaoka <yamaoka <at> jpl.org> writes:

>>>>> jidanni <at> jidanni.org wrote:

>> The only way to get xpdf called on them is via dired-do-shell-command,
>> which knows about xpdf.

KY> Is what you want the one like this?


KY> (defadvice dired-view-file (around use-xpdf activate)
KY>   "Use xpdf to view a pdf file."
KY>   (unless (let ((file (dired-get-file-for-visit)))
KY> 	    (and (not (file-directory-p file))
KY> 		 (let ((case-fold-search t))
KY> 		   (string-match "\\.pdf\\'" file))
KY> 		 (prog1
KY> 		     t
KY> 		   (call-process "xpdf" nil nil nil file))))
KY>     ad-do-it))


KY> The `v' key in the dired buffer uses xpdf to display a file iff
KY> its extension is ".pdf".

KY> Otherwise,


KY> (autoload 'mailcap-parse-mailcaps "mailcap" nil t)
KY> (autoload 'mm-mailcap-command "mm-decode")
KY> (defadvice dired-view-file (around use-mailcap-mime-data activate)
KY>   "Use an external viewer to view a file according to `mailcap-mime-data'."
KY>   (unless (let ((file (dired-get-file-for-visit))
KY> 		extension type command)
KY> 	    (and (not (file-directory-p file))
KY> 		 (progn
KY> 		   (mailcap-parse-mailcaps)
KY> 		   (setq extension (file-name-extension file)))
KY> 		 (setq type (mailcap-extension-to-mime extension))
KY> 		 (setq command (mailcap-mime-info type))
KY> 		 (setq command (mm-mailcap-command command file nil))
KY> 		 (prog1
KY> 		     t
KY> 		   (shell-command command))))
KY>     ad-do-it))


KY> There will be other ELisp packages that use external viewers.
KY> `gnus-dired-find-file-mailcap' is it, though it may not be your
KY> taste.

Message #10 received at 4377-done <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Chong Yidong <cyd <at> stupidchicken.com>
To: jidanni <at> jidanni.org
Cc: yamaoka <at> jpl.org, 4377-done <at> debbugs.gnu.org
Subject: Re: allow one to still choose xpdf instead of doc-view
Date: Sat, 12 Sep 2009 22:06:11 -0400

> My god, that's tons and tons of lisp to add to one's .emacs file, just
> to say "I wish to have emacs still call xpdf when encountering a .pdf
> file, like back before they introduced doc-view".

One line solution:

(setq auto-mode-alist (rassq-delete-all 'doc-view-mode auto-mode-alist))

Message #11 received at 4377-done <at> emacsbugs.donarmstrong.com (full text, mbox):

From: jidanni <at> jidanni.org
To: cyd <at> stupidchicken.com
Cc: yamaoka <at> jpl.org, 4377-done <at> debbugs.gnu.org
Subject: Re: allow one to still choose xpdf instead of doc-view
Date: Sun, 13 Sep 2009 10:40:02 +0800

>>>>> "CY" == Chong Yidong <cyd <at> stupidchicken.com> writes:
>> My god, that's tons and tons of lisp to add to one's .emacs file, just
>> to say "I wish to have emacs still call xpdf when encountering a .pdf
>> file, like back before they introduced doc-view".

CY> One line solution:

CY> (setq auto-mode-alist (rassq-delete-all 'doc-view-mode auto-mode-alist))

No.
This only cause the file to appear as binary gibberish.

Please provide the complete solution that will allow:
v and browse-url-of-dired-file in dired to invoke xpdf on the file.
! in dired suggest xpdf.

Message #16 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Leo <sdl.web <at> gmail.com>
To: 4377 <at> debbugs.gnu.org
Cc: Chong Yidong <cyd <at> stupidchicken.com>, jidanni <at> jidanni.org, yamaoka <at> jpl.org
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Sun, 13 Sep 2009 16:10:39 +0100

On 2009-09-13 03:10 +0100, Emacs bug Tracking System wrote:
>> My god, that's tons and tons of lisp to add to one's .emacs file,
>> just to say "I wish to have emacs still call xpdf when encountering a
>> .pdf file, like back before they introduced doc-view".
>
> One line solution:
>
> (setq auto-mode-alist (rassq-delete-all 'doc-view-mode auto-mode-alist))

I wonder if it is better not to include doc-view-mode in
auto-mode-alist. Personally, I can't think of an occasion that I would
like doc-view mode to view my pdf files except, perhaps, to brag about
Emacs's capability.

I have this in .emacs for a while.

  (defalias 'doc-view-mode 'ignore)

Leo

Message #21 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: jidanni <at> jidanni.org
To: sdl.web <at> gmail.com
Cc: 4377 <at> debbugs.gnu.org, cyd <at> stupidchicken.com, yamaoka <at> jpl.org
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Sun, 13 Sep 2009 23:21:00 +0800

>>>>> "L" == Leo  <sdl.web <at> gmail.com> writes:
L>   (defalias 'doc-view-mode 'ignore)
OK, but what else are needed to make
v and browse-url-of-dired-file in dired to invoke xpdf on the file,
and emacs-w3m call xpdf on http://...pdf and file:///...pdf?

Message #26 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Leo <sdl.web <at> gmail.com>
Cc: 4377 <at> debbugs.gnu.org, Chong Yidong <cyd <at> stupidchicken.com>,
        yamaoka <at> jpl.org, jidanni <at> jidanni.org
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Sun, 13 Sep 2009 21:31:15 -0400

>>> My god, that's tons and tons of lisp to add to one's .emacs file,
>>> just to say "I wish to have emacs still call xpdf when encountering a
>>> .pdf file, like back before they introduced doc-view".
>> One line solution:
>> (setq auto-mode-alist (rassq-delete-all 'doc-view-mode auto-mode-alist))

Is it really a solution?  The OP's problem seems to be that he wants
xpdf to be run, but the above will only replace doc-view-mode with
fundamental-mode, right?

> I wonder if it is better not to include doc-view-mode in
> auto-mode-alist.  Personally, I can't think of an occasion that
> I would like doc-view mode to view my pdf files except, perhaps, to
> brag about Emacs's capability.

Is it really better to show the actual underlying PDF file's code in
fundamental-mode?  If you don't want to view PDF files in Emacs, than
don't open them in Emacs.


        Stefan

Message #31 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Tassilo Horn <tassilo <at> member.fsf.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 4377 <at> debbugs.gnu.org, Leo <sdl.web <at> gmail.com>,
        Chong Yidong <cyd <at> stupidchicken.com>, yamaoka <at> jpl.org,
        jidanni <at> jidanni.org
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Mon, 14 Sep 2009 09:13:26 +0200

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>> I wonder if it is better not to include doc-view-mode in
>> auto-mode-alist.  Personally, I can't think of an occasion that I
>> would like doc-view mode to view my pdf files except, perhaps, to
>> brag about Emacs's capability.
>
> Is it really better to show the actual underlying PDF file's code in
> fundamental-mode?  If you don't want to view PDF files in Emacs, than
> don't open them in Emacs.

IMO, there should be some command in dired to open a file with an
external program.  The `!' command is not appropriate here, cause it
blocks emacs till the command finishes.  I have this code in my .emacs
for that (and bound it to `e' in dired-mode-map):

--8<---------------cut here---------------start------------->8---
(defun th-dired-find-file-externally (arg)
  "Open file or directory with an external application.
If ARG is given use `xdg-open', else query for an app."
  (interactive "P")
  (let ((file (dired-get-file-for-visit)))
    (start-process "dired-external"
                   nil
                   (if arg
                       "xdg-open"
                     (completing-read "Command: "
                                      th-external-command-list))
                   file)))
--8<---------------cut here---------------end--------------->8---

th-external-command-list is a list of all executables in PATH, which I
use in several places.  I think that could be taken out.  A default
value with the appropriate external app taken from mailcap could be
used instead.

Message #36 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Tassilo Horn <tassilo <at> member.fsf.org>
Cc: 4377 <at> debbugs.gnu.org, Leo <sdl.web <at> gmail.com>,
        Chong Yidong <cyd <at> stupidchicken.com>, yamaoka <at> jpl.org,
        jidanni <at> jidanni.org
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Mon, 14 Sep 2009 11:27:45 -0400

>> Is it really better to show the actual underlying PDF file's code in
>> fundamental-mode?  If you don't want to view PDF files in Emacs, than
>> don't open them in Emacs.

> IMO, there should be some command in dired to open a file with an
> external program.

But there is, it's bound to "&".


        Stefan

Message #41 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Tassilo Horn <tassilo <at> member.fsf.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 4377 <at> debbugs.gnu.org, Leo <sdl.web <at> gmail.com>,
        Chong Yidong <cyd <at> stupidchicken.com>, yamaoka <at> jpl.org,
        jidanni <at> jidanni.org
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Mon, 14 Sep 2009 20:09:38 +0200

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>>> Is it really better to show the actual underlying PDF file's code in
>>> fundamental-mode?  If you don't want to view PDF files in Emacs,
>>> than don't open them in Emacs.
>
>> IMO, there should be some command in dired to open a file with an
>> external program.
>
> But there is, it's bound to "&".

Wow, how could I miss that?  It's not in the "Operate" menu, but it
definitively should!

Dired is one of the few modes where I rely on the menu bar.

Bye,
Tassilo

Message #46 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: James Cloos <cloos <at> jhcloos.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 4377 <at> debbugs.gnu.org, Leo <sdl.web <at> gmail.com>,
        Chong Yidong <cyd <at> stupidchicken.com>, yamaoka <at> jpl.org,
        jidanni <at> jidanni.org
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Mon, 14 Sep 2009 10:55:21 -0400

>>>>> "Stefan" == Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

Stefan> Is it really better to show the actual underlying PDF file's
Stefan> code in fundamental-mode?  If you don't want to view PDF files
Stefan> in Emacs, than don't open them in Emacs.

There are occasions were editing a PDF in a text editor is needed.
Emacs should not make that difficult to do.

-JimC
-- 
James Cloos <cloos <at> jhcloos.com>         OpenPGP: 1024D/ED7DAEA6

Message #51 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Chong Yidong <cyd <at> stupidchicken.com>
To: James Cloos <cloos <at> jhcloos.com>
Cc: Stefan Monnier <monnier <at> iro.umontreal.ca>, 4377 <at> debbugs.gnu.org,
        Leo <sdl.web <at> gmail.com>, yamaoka <at> jpl.org, jidanni <at> jidanni.org
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Tue, 15 Sep 2009 09:31:39 -0400

James Cloos <cloos <at> jhcloos.com> writes:

> Stefan> Is it really better to show the actual underlying PDF file's
> Stefan> code in fundamental-mode?  If you don't want to view PDF files
> Stefan> in Emacs, than don't open them in Emacs.
>
> There are occasions were editing a PDF in a text editor is needed.
> Emacs should not make that difficult to do.

The command find-file-literally is for such situations.

Message #56 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Tassilo Horn <tassilo <at> member.fsf.org>
To: Chong Yidong <cyd <at> stupidchicken.com>
Cc: 4377 <at> debbugs.gnu.org, James Cloos <cloos <at> jhcloos.com>,
        yamaoka <at> jpl.org, jidanni <at> jidanni.org, Leo <sdl.web <at> gmail.com>
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Tue, 15 Sep 2009 21:25:13 +0200

Chong Yidong <cyd <at> stupidchicken.com> writes:

> James Cloos <cloos <at> jhcloos.com> writes:
>
>> Stefan> Is it really better to show the actual underlying PDF file's
>> Stefan> code in fundamental-mode?  If you don't want to view PDF files
>> Stefan> in Emacs, than don't open them in Emacs.
>>
>> There are occasions were editing a PDF in a text editor is needed.
>> Emacs should not make that difficult to do.
>
> The command find-file-literally is for such situations.

And `C-c C-c' in doc-view will switch to fundamental-mode, too.  With
another `C-c C-c' you can jump back to doc-view and directly view the
changes you made.

Bye,
Tassilo

Message #61 received at 4377 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Chong Yidong <cyd <at> stupidchicken.com>
Cc: James Cloos <cloos <at> jhcloos.com>, 4377 <at> debbugs.gnu.org,
        Leo <sdl.web <at> gmail.com>, yamaoka <at> jpl.org, jidanni <at> jidanni.org
Subject: Re: bug#4377: marked as done (allow one to still choose xpdf instead of doc-view)
Date: Tue, 15 Sep 2009 21:01:17 -0400

> James Cloos <cloos <at> jhcloos.com> writes:
Stefan> Is it really better to show the actual underlying PDF file's
Stefan> code in fundamental-mode?  If you don't want to view PDF files
Stefan> in Emacs, than don't open them in Emacs.
>> 
>> There are occasions were editing a PDF in a text editor is needed.
>> Emacs should not make that difficult to do.

> The command find-file-literally is for such situations.

You don't even need that: as the message in the echo-area explains, you
can simply hit C-c C-c to toggle between viewing the document or viewing
the underlying PDF code.


        Stefan

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