Re: Cedilla input in UTF-8 locale with dead keys.

From: "Jan Djärv" <jan.h.d@swipnet.se>
To: Kenichi Handa <handa@m17n.org>
Cc: gustavo@sagui.org, emacs-devel@gnu.org
Subject: Re: Cedilla input in UTF-8 locale with dead keys.
Date: Mon, 15 Oct 2007 15:13:23 +0200	[thread overview]
Message-ID: <47136773.1010302@swipnet.se> (raw)
In-Reply-To: <E1IhOkt-0005je-4T@etlken.m17n.org>

FWIW, Gtk+ has a special handling of this.  Gtk+ also processes all compose 
itself, rather than using X.  See Gtk+ sources, modules/input/imcedilla.c:

/* The difference between this and the default input method is the handling
  * of C+acute - this method produces C WITH CEDILLA rather than C WITH ACUTE.
  * For languages that use CCedilla and not acute, this is the preferred mapping,
  * and is particularly important for pt_BR, where the us-intl keyboard is
  * used extensively.
  */

Since Emacs does not use Gtk+ for character input, we don't get that mapping.

	Jan D.

Kenichi Handa skrev:
> Attached is a report about the inconsistency of dead key
> handling on Emacs with the other applications.  I confirmed
> the reported behaviour with the trunk code by starting the X
> session in pt_BR.UTF-8 locale.  Typing "RightAlt-' c"
> inserts ç (c-cedilla) in gnome-terminal, but it inserts ć
> (c-acute) in Emacs.
> 
> But, it seems that inserting c-cedilla is the behaviour only
> with GNOME/GTK applications (and OpenOffice, Mozilla).  For
> instance, xev reports "RightAlt-' c" as c-acute, any KDE
> applications (e.g. kedit) insert c-acute.  Gustavo, could
> you also try them?
> 
> I'm not sure what we should do.  Emacs is not a GTK
> application even if it is configured with --with-gtk.  But,
> from the user point of view, I think it is better that it
> insert c-cedilla as well as the other GNOME applications.
> 
> But, as I'm not that familiar with GTK programming, I don't
> know how to do that.
> 
> ---
> Kenichi Handa
> handa@m17n.org
> 
> ------- Start of forwarded message -------
> From: Gustavo Maciel Dias Vieira <gustavo@sagui.org>
> To: bug-gnu-emacs@gnu.org
> MIME-version: 1.0
> Content-type: text/plain; charset=utf-8
> Date: Wed,  3 Oct 2007 14:00:55 -0300 (BRT)
> Subject: Cedilla input in UTF-8 locale with dead keys.
> 
> 
> If you use the combination of Emacs 22, a US keyboard and dead
> keys in a UTF-8 locale, the combination of '+c will give you
> ć (accented-c) instead of ç (cedilla). Granted, not everyone will want
> a cedilla, but some people will do. Brazilians for example. GTK2 had
> the same issue some time ago and they created an input method called
> "cedilla" that is activated based on locale.
> 
> 
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