Subject: Re: UTF-8 locale and Unix keyboard handler
From: Tomas Frydrych (tomas@frydrych.uklinux.net)
Date: Sun Jan 21 2001 - 14:42:10 CST
Hi Vlad and Dom,
> Vlad:
> I don't use utf8 locale, but according to various sources, input in X under
> utf8 locale will work correctly only with XFree86-4.0.2 (and using libX11
> supplied with it). It's also somewhat questionable whether current gdk will
> work correctly under utf8 locale (not that I have sharp suspictions - just a
> healthy pessimism).
You are right, UTF-8 locale only works with XF 4.0.2 AND glibc 2.2
and I also think your suspicions about gdk are right.
> Dom:
> How can I duplicate this bug? I'd like to fix it ASAP and need
> some more information in order to track it down.
To reproduce the problem you need to run XF 4.0.2 and glibc 2.2,
then you need to setup a UTF-8 locale; you will have to create the
locale files using localedef, you will find the details in the Unicode
Howto. Then you have to set the locale, I think think this needs to
be done before X is started. Then assign a letter that requires
multibyte representation in UTF-8 to a key on the keyboard. The
method I use is assigning to the key 0x01000000 + UCS value of
the char, i.e., for Hebrew aleph which is u05d0, 0x010005d0, but
one can equally use the predefined X hebrew_aleph / 0xce0 to
accomplish the same. You can test that the key works with with
UTF-8 enabled xterm (see the Unicode Howto on xterm). Then try
to use the key to input the character into AW. You should see a
debug message 'input aborted due to lack of information'.
As I said, I also suspect that the problem is in GDK, which we use
to process keyboard messages from X, for GDK returns empty
string from processing the keyboard event. I will make some more
enquiries about GDK and UTF-8 locales.
Tomas
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