Guix System installer text direction wrong for RTL languages

OpenSubmitted by pelzflorian (Florian Pelz).
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2 participants
  • Ludovic Courtès
  • pelzflorian (Florian Pelz)
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pelzflorian (Florian Pelz) wrote on 19 Apr 2019 12:05
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On Wed, Apr 17, 2019 at 12:06:31PM +0200, Ludovic Courtès wrote:
Toggle quote (5 lines)
> I made changes to the installer so it’s almost ready as far as I’m
> concerned. It now displays language and territory names in the right
> language.
>

Language names for Arabic, Farsi, Hebrew are shown Left-to-Right (LTR)
instead of Right-to-Left, e.g. العربية is displayed wrongly as ‭العربية‬.

Regards,
Florian
L
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Ludovic Courtès wrote on 19 Apr 2019 17:26
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(name . pelzflorian (Florian Pelz))(address . pelzflorian@pelzflorian.de)(address . 35319@debbugs.gnu.org)
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"pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de> skribis:

Toggle quote (9 lines)
> On Wed, Apr 17, 2019 at 12:06:31PM +0200, Ludovic Courtès wrote:
>> I made changes to the installer so it’s almost ready as far as I’m
>> concerned. It now displays language and territory names in the right
>> language.
>>
>
> Language names for Arabic, Farsi, Hebrew are shown Left-to-Right (LTR)
> instead of Right-to-Left, e.g. العربية is displayed wrongly as ‭العربية‬.

Ouch, good point! I have no idea what it takes to display RTL languages
properly. AFAIK ‘gettext’ simply returns a string, so I guess it’s up
to the UI toolkit (Newt?) to do the right thing?

Ludo’.
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pelzflorian (Florian Pelz) wrote on 19 Apr 2019 20:11
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(name . Ludovic Courtès)(address . ludo@gnu.org)(address . 35319@debbugs.gnu.org)
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On Fri, Apr 19, 2019 at 05:26:35PM +0200, Ludovic Courtès wrote:
Toggle quote (16 lines)
> "pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de> skribis:
>
> > On Wed, Apr 17, 2019 at 12:06:31PM +0200, Ludovic Courtès wrote:
> >> I made changes to the installer so it’s almost ready as far as I’m
> >> concerned. It now displays language and territory names in the right
> >> language.
> >>
> >
> > Language names for Arabic, Farsi, Hebrew are shown Left-to-Right (LTR)
> > instead of Right-to-Left, e.g. العربية is displayed wrongly as ‭العربية‬.
>
> Ouch, good point! I have no idea what it takes to display RTL languages
> properly. AFAIK ‘gettext’ simply returns a string, so I guess it’s up
> to the UI toolkit (Newt?) to do the right thing?
>

Debian has a similar bug:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=917909

The

https://salsa.debian.org/mckinstry/newt/blob/debian/master/debian/README.Debian

says:

Debian's version of newt include Bidirectional text support not yet present
upstream, including an API addition "newtCheckboxSetWidth". Please only use
this within Debian until it is supported upstream.

There is a

https://salsa.debian.org/mckinstry/newt/blob/debian/master/debian/patches/bidi.patch

However, I do not know how to use this.

Regards,
Florian
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Ludovic Courtès wrote on 20 Apr 2019 01:00
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(name . pelzflorian (Florian Pelz))(address . pelzflorian@pelzflorian.de)(address . 35319@debbugs.gnu.org)
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"pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de> skribis:

Toggle quote (14 lines)
> The
>
> https://salsa.debian.org/mckinstry/newt/blob/debian/master/debian/README.Debian
>
> says:
>
> Debian's version of newt include Bidirectional text support not yet present
> upstream, including an API addition "newtCheckboxSetWidth". Please only use
> this within Debian until it is supported upstream.
>
> There is a
>
> https://salsa.debian.org/mckinstry/newt/blob/debian/master/debian/patches/bidi.patch

Thanks for researching it. We may be unable to fix it for 1.0 but we
should definitely address it.

Ludo’.
L
L
Ludovic Courtès wrote on 9 Apr 2020 09:38
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