From: Juri Linkov <juri@jurta.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Chong Yidong <cyd@gnu.org>, 10650@debbugs.gnu.org
Subject: bug#10650: view-mode inconsistencies wrt special mode-class
Date: Thu, 02 Feb 2012 02:40:45 +0200 [thread overview]
Message-ID: <87ehuegj8y.fsf@mail.jurta.org> (raw)
In-Reply-To: <jwvd39yljkd.fsf-monnier+emacs@gnu.org> (Stefan Monnier's message of "Wed, 01 Feb 2012 09:31:44 -0500")
>> Personally I think a separate variable controlling which modes are
>> incompatible with view-mode would be better, but I'm not going to
>> complain if the definition of special modes is extended to cover this.
>
> I'm not sure exactly what's the idea with view-mode's use of special
> mode class, but IIUC it's that we don't want to enable view-mode in
> major modes that already have view-mode-like keybindings, which might
> boil down to something along the lines of "major modes which use
> suppress-keymap".
Without using the special mode class or adding a new separate variable,
the closest condition to match modes incompatible with view-mode would be:
(and (buffer-file-name)
(or (derived-mode-p 'special-mode)
(equal (keymap-parent (current-local-map)) special-mode-map)))
What is worth to note is that these modes don't suppress the special-mode keymap,
but inherit from it and override most of its key bindings.
But this heuristics is too unreliable, so explicitly declaring
incompatible modes is better.
next prev parent reply other threads:[~2012-02-02 0:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-30 9:05 bug#10650: view-mode inconsistencies wrt special mode-class Glenn Morris
2012-01-30 20:10 ` Glenn Morris
2012-01-30 23:29 ` Juri Linkov
2012-01-31 0:38 ` Glenn Morris
2012-01-31 1:49 ` Stefan Monnier
2012-01-31 2:50 ` Glenn Morris
2012-01-31 6:17 ` Chong Yidong
2012-01-31 17:37 ` Stefan Monnier
2012-02-01 7:38 ` Glenn Morris
2012-02-01 8:32 ` Chong Yidong
2012-02-01 17:15 ` Glenn Morris
2012-02-01 14:31 ` Stefan Monnier
2012-02-01 17:12 ` Glenn Morris
2012-02-02 0:40 ` Juri Linkov [this message]
2012-02-02 18:49 ` Stefan Monnier
2012-02-02 20:03 ` Glenn Morris
2012-02-02 21:11 ` Juri Linkov
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