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Re: Typing Right-To-Left language characters in GtkEntry

It should work with gnome-terminal.

-vc
----- Original Message ----- From: "Gaurav Jain" <gaurav anywhere gmail com> 
To: "Mohammed Sameer" <uniball gmx net>
Cc: <gtk-app-devel-list gnome org>
Sent: Wednesday, June 15, 2005 10:53 AM
Subject: Re: Typing Right-To-Left language characters in GtkEntry


I'm using Xterm.

On 6/11/05, Mohammed Sameer <uniball gmx net> wrote:

On Thu, Jun 09, 2005 at 12:29:02PM +0530, Gaurav Jain wrote:
> Yes, this time it worked!  In fact even without setting the font to
> the Code2000 font for the GtkEntry, I'm able to type Arabic text into
> the entry.  Thanks so much for your help!
>
> One think I still wish to know is why I'm unable to type on the
> terminal window.  Is it possible to enable keyboard layout for only my
> GTK application?
>

What's the terminal you are using ?

> Thanks again,
> Gaurav
>
> On 6/9/05, Alem Dain <alem dain gmail com> wrote:
> > Ah, it's a mistake I make all the time.  When I said "en" it should
> > have been "us".  The setxkbmap command is actually:
> >
> > setxkbmap -rules xfree86 -model pc104 -layout us,ar
> >
> > possibly with -option grp:menu_toggle if that's what you want.  This
> > is why you were getting "Error loading keyboard description": there is
> > no "en" layout.  Anyway, try this out.  If it still doesn't work, let
> > me know.  Note that most likely, you do not want to be typing these
> > things in a terminal... something like a GtkEntry, however, will
> > certainly produce proper text.
> >
> > The other thing to do, of course, is tell GTK that you want to use a
> > font that supports Arabic.  You do something like this:
> >
> > {
> >   PangoFontDescription *font;
> >   GtkEntry *entry;
> >   font = pango_font_description_from_string("Code2000");
> >   entry = gtk_entry_new();
> >   gtk_widget_modify_font(entry, font);
> > }
> >
> > Just a note, I've noticed that other Unicode X fonts (such as, for
> > example, whatever GTK uses by default) seem to support Arabic as well;
> > you may want to try them also.  This might just be me, since I've
> > install a hajillion extra fonts on my system....
> >
> > Anyway, the above bits *should* do it for you.  To summarize, use
> > setxkbmap (I can't speak for any KDE-controlpanel-setting-thingy) to
> > make sure your keyboard does what you want, and use
> > PangoFontDescription to make sure you have are using a font that can
> > handle.
> >
> > Salaam,
> >   Adam.
> >
> > On 6/8/05, Gaurav Jain <gaurav anywhere gmail com> wrote:
> > > Hello Alem,
> > >
> > > Thanks for the detailed response.  I installed the CODE2000 unicode
> > > font that you mentioned according to the rules given at
> > > http://eyegene.ophthy.med.umich.edu/unicode/index.html#kdefontinst.
> > >  ( using the mkfontscale and mkfontdir commands, and then adding the
> > > path to /etc/X11/XF86Config).
> > >
> > > I then tried to exeute the setxkbmap command that you mentioned, but
> > > it failed with the error: "Error loading new keyboard description".
> > >
> > > I'm using KDE session, so I also tried setting the Keyboard Layout
> > > from the "Control Center > Regional & Accessibility > Keyboard > > > Layout" > > > to Arabic. However, if I do that, whatever I type on the terminal > > > is > > > not shown on the screen (it looks like an empty space), and it > > > doesn't 
> > > even show the square blocks that you mentioned.
> > >
> > > Have I missed some step here?
> > > Thanks again,
> > > Gaurav
> > >
> > > On 6/9/05, Alem Dain <alem dain gmail com> wrote:
> > > > Hmmm, with almost no work at all, I managed to type right-to-left > > > > in 
> > > > Arabic (not that I know a word of it...)
> > > >
> > > > For the purpose of input, no locale information is necessary. All > > > > you > > > > need is the appropriate keyboard mapping loaded in X, as well an > > > > an > > > > Arabic-capable unicode font; Pango knows how to render > > > > right-to-left 
> > > > text.
> > > >
> > > > More interesting than the version of Linux you are running are the
> > > > versions of GTK and Pango. As for the keyboard map, I'm not > > > > familiar 
> > > > with the inner workings of xmodmap; I recommend XKB.  You use this
> > > > program to dynamically change the keyboard mapping as though you > > > > had 
> > > > edited XF86Config.
> > > >
> > > > So what I did was functionally equivalent to:
> > > >
> > > > setxkbmap -rules xfree86 -model pc104 -layout en,ar -option > > > > grp:menu_toggle 
> > > >
> > > > Just a quick explanation may be required here. Most likely you > > > > will 
> > > > leave the "rules" and "model" option alone; if you have something
> > > > other than a standard keyboard (with the extra Windows keys) you > > > > will 
> > > > want to change that.  Unfortunately, I'm not sure where you find a
> > > > list of other models.  Anyway, the important ones is "layout".  It
> > > > specifies that the first one should be english (basic), and the
> > > > second, arabic (basic). You can have up to for. I like to use > > > > the 
> > > > Menu key to toggle, hence the "-option grp:menu_toggle" bit.
> > > >
> > > > What I in fact did was ran a little GTK program I've written that > > > > does > > > > all these things for me, as well as displaying the current > > > > keyboard > > > > layout... whee :) Source code can be provided, fixed bugs would > > > > be 
> > > > most appreciated :)
> > > >
> > > > ....
> > > >
> > > > Now, you also need an Arabic capable Unicode font. If you are > > > > typing > > > > characters appropriately, but lack the font, you'll see little > > > > squares > > > > with four digits in them, representing the otherwise > > > > unrepresentable > > > > unicode character. What Unicode font supports Arabic? I use > > > > James > > > > Kass's Code2000 (just google for it). It's free, and it also > > > > supports > > > > Tengwar (again, whee). I'm sure there are thousands of other > > > > fonts 
> > > > that have Arabic, tho.  In fact, in might come with ... whatever X
> > > > comes with.
> > > >
> > > > Hope this helps,
> > > > Adam.
> > > >
> > > > On 6/8/05, Gaurav Jain <gaurav anywhere gmail com> wrote:
> > > > > Hello,
> > > > >
> > > > > I need to enter Right-To-Left language characters (such as > > > > > Arabic and > > > > > Hebrew) in a GtkEntry widget. I'm using Red Hat Linux 9.0 and > > > > > have 
> > > > > logged in the Arabic language session.  I then set the locale to
> > > > > "ar_SA.utf8". Then I run my small GTK program which has a > > > > > GtkEntry 
> > > > > widget.
> > > > >
> > > > > But I'm stuck at this point where I need an input method to > > > > > enter the 
> > > > > arabic characters.  Could somebody help?
> > > > >
> > > > > (I tried using xmodmap to load an arabic keyboard mapping, but > > > > > then > > > > > nothing happened. I also need to know where I can get arabic > > > > > fonts 
> > > > > from, if required).
> > > > >
> > > > > Thanks,
> > > > > Gaurav
> > > > > _______________________________________________
> > > > > gtk-app-devel-list mailing list
> > > > > gtk-app-devel-list gnome org
> > > > > http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
> > > > >
> > > >
> > >
> >
> _______________________________________________
> gtk-app-devel-list mailing list
> gtk-app-devel-list gnome org
> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list

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