[Xmonad] MATLAB and Xmonad

[Christian Thiemann]

Hi Ivan,

I still have some trouble with MATLAB.  As I reported earlier, the 
AWT_TOOLKIT=MToolkit hack worked for me, but - as I discovered later - 
only if I run MATLAB from the local machine.  If I want to spawn it 
remotely on one of our computing machines (via ssh -X) nothing will show 
up at all.

Today I tried it with your SetWMName extension (for which I needed to 
change from 0.3 to darcs), but it doesn't work :-(

As in the module docs, I use setWMName "LG3D" (I tried to put it in my 
logHook first, and also triggering manually via a keypress), but the 
error is still the same (just blank grey screen with menus popping up 
properly but no widgets at all).

I am thankful for any suggestions.

Best regards,
   Christian


Ivan Tarasov wrote:
> I'm the author of SetWMName and I can summarise the issue, however I 
> already tried to do this in the comment in the beginning of the 
> SetWMName.hs. If it is not enough, please advice on how to improve the 
> summary.
> 
> If it is possible, you should use the SetWMName instead of setting 
> AWT_TOOLKIT=MToolkit, because MToolkit (Motif, actually) is an old 
> engine for AWT and it doesn't support all the features needed to make 
> the Java GUI programs work (some programs work, some do not). Setting WM 
> name is quite a dirty hack, but it is the only way to work around the 
> problem till, maybe, JDK7 (and there are no guarantees we'd have 
> anything fixed there).
> 
> Ivan
> 
> On 10/2/07, *Don Stewart* <dons at galois.com <mailto:dons at galois.com>> wrote:
> 
>     mail:
>      > Brandon S. Allbery KF8NH wrote:
>      > >
>      > >On Oct 1, 2007, at 10:04 , Stefan O'Rear wrote:
>      > >
>      > >>On Mon, Oct 01, 2007 at 02:28:25PM +0200, Christian Thiemann wrote:
>      > >>>It looks like it's a problem with Xmonad.  I fired up an Xnest
>     with fvwm
>      > >>>and MATLAB works fine there.  And Xnest with wmii and MATLAB
>     works as
>      > >>>well.
>      > >>
>      > >>Is the MATLAB gui written in Java?  There is a known bug in the
>     Java
>      > >>windowing code which prevents it from working correctly with
>      > >>non-reparenting window managers like xmonad.
>      > >
>      > >Yes, the Matlab GUI is Java.
>      > >
>      > >Another known workaround that often (but not always, for unknown
>      > >reasons) works is
>      > >
>      > >    export AWT_TOOLKIT=MToolkit
>      > >
>      > >before starting Java programs.
>      > >
>      >
>      > Ok, great.  That worked for me.  Thanks.
>      > _______________________________________________
> 
>     could someone summarise this issue generically, with the fix details,
>     for the xmonad.org/faq.html <http://xmonad.org/faq.html> page please?
> 
>     -- Don
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