[squeak-dev] International text input on X11
Yoshiki Ohshima
Yoshiki.Ohshima at acm.org
Mon May 16 16:30:02 UTC 2016
At Sun, 15 May 2016 22:27:13 -0400,
David T. Lewis wrote:
>
> On Sun, May 15, 2016 at 02:16:17PM -0700, Yoshiki Ohshima wrote:
> > On Sun, May 15, 2016 at 1:32 PM, tim Rowledge <tim at rowledge.org> wrote:
> > >
> > >> On 15-05-2016, at 1:29 PM, Yoshiki Ohshima <Yoshiki.Ohshima at acm.org> wrote:
> > >>
> > >> Thank you everybody for all the help! We'll need to fold these
> > >> changes and I'll test a few more configurations so that a novice user
> > >> invoking Scratch on Raspbian sees everything al right, but it is
> > >> getting there!
> > >
> > > I wish I could have offered something but unix non-anglo character input is so far outside my area I probably can???t even spell it correctly???
> > > but once you???ve got it working to your satisfaction I can certainly make sure it gets into the next available Pi release.
> >
> > Great. One thing I just started poking around was how Scratch
> > actually gets executed when you choose it from the menu. What would
> > have to happen is that the script executed from there (I presume
> > /usr/bin/scratch) checks the LANG environment variable (or call the
> > locale command, and when the result is either ja, ko, or cn (or
> > actually the value of XMODIFIERS has @im), it invokes the VM with
> > "-vm-display-X11 -compositioninput".
> >
> > Then to the image, two changes to ImmX11>> keyboardFocusForMorph and
> > StringFieldMorph>> keyboardFocusChange. There are some others that
> > implement #keyboardFocusChange: but I have not all understood which
> > ones are relevant to Scratch, and keyboard text input.
> >
> > With those, and the change to recordPendingKeys(), it will be in good shape.
> >
> > --
> > -- Yoshiki
>
> If I understand correctly, here is what we need to do:
>
> 1) Apply the changes of Mr Hachisuka to the VM.
> - The diff is in the earlier email from Yoshiki:
> http://lists.squeakfoundation.org/pipermail/squeak-dev/2016-May/189599.html
Yes, the attachment to my email is basically a reformatted version of
Mr. Hachisuka's patch (with an ifdef)
> http://www2.asu.ac.jp/hachi/v3/scratch14ime.html
> - Test updated VM to make sure the changes do not cause problems. Make sure
> it works without problems for Squeak trunk and for Scratch.
Yes. One potential problem I think is that there is an assumption
that the code delivered to the pendingKeys is UTF-8. On a platform
this assumption is not correct, we would need an additional mechanism.
> - Apply the update in SVN for both oscog and trunk. I can help
> - here.
Thanks!
> - Test the VM. Tim, I need help on this. I do not currently have a working
> Cog build environment (Unbuntu/autotools/gcc version issues). Can you
> apply the patch from Yoshiki's email and see if your resulting Cog VM
> continues to work for you as expected on Pi with Scratch?
And more testing would be nice.
> - Yoshiki, we should give credit to Mr Hachisuka for his contribution. Can
> you please give his full name for the commit notice? I assume the patch
> is MIT licensed.
I'll ask him about the license.
> 2) Make updates to the image.
> - Start with Yoshiki's recommendations.
> - Make sure that it works in Scratch, and that all updates are also in
> Squeak trunk.
>
> 3) Make updates to the scripts that call Scratch from the menu (see above,
> this email).
I'll work on the script (I think) today.
> 4) Confirm that Scratch users around the world are happy :-)
Thank you!
-- Yoshiki
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