[erlang-questions] wxErlang and wxWidgets 3.0

Michael Turner <>
Mon Nov 18 14:55:52 CET 2013


Segfaults, geez. Maybe this is dangerous topic drift, but whatever
happened to Joe's EX11 idea? Erlang talking straight to X Server in
raw X protocol packets always seemed like a good semantic match to me.
I have to wonder whether all the X toolkits written over the years
might have been better coded in Erlang.

Regards,
Michael Turner
Executive Director
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On Mon, Nov 18, 2013 at 4:52 PM, Sergei Golovan <> wrote:
> Hi Dan,
>
> On Fri, Nov 15, 2013 at 1:14 PM, Dan Gudmundsson <> wrote:
>> The intention is that is should work with both. But I only test it
>> occasionally.
>>
>> I personally try to link against 3.0, or rather their master branch, when
>> doing development.
>
> Good to hear that.
>
>>
>> But we don't support newer functionality, and some erlang code may need to
>> be rewritten
>> to work on both 2.8 and 3.0, btw SUSE 10 and thus wxWidgets 2.6 is still
>> used here internally, sigh.
>
> It's not really about the newer functionality, the old one is fine as
> long as it works.
>
>>
>> I have not noticed the notebook problem, don't know if that is a wxWidgets
>> problem or a demo problem.
>
> I did a closer look at the demos and tried to run applications which
> use wxErlang. There are a few minor bugs and one segfault
> unfortunately:
>
> 1) aui page in demo: after you drag'n'drop tab over the other tab to
> rearrange them the latter tab label stops reacting to the mouse clicks
> (I can't bring it to the front by clicking on it).
>
> 2) choices page in demo: wxChoice control shows empty label on start
> (in 2.8 it shows "one").
>
> 3) notebook page in demo: Background color is not showed (this one
> I've mentioned earlier).
>
> 4) Segfault of dialyzer. dialyzer --wx segfaults immediately after I
> click any of the "Add", "Add Dir", or "Add Recursively" button. It
> works fine with 2.8.
>
> I don't know if these bugs are wxErlang or wxWidgets bugs though. But
> the last one is not good...
>
> Cheers!
> --
> Sergei Golovan
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> 
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