[GRASS5] New initialization code

[Andreas Lange]

Hi Justin, Hi Eric,

the $DISPLAY is IMHO the best solution to the discussed problem.
Check if $DISPLAY is set and you know for sure that X is running.
If you next search for the wish executable in the user path i think that
in most of the cases this should work and we can start with the GUI
first. Otherwise a fallback to text mode would be ok. 
This applies to the windows setup too, as the DISPLAY variable is set
only if X is running (The X server seems still to be a little unstable).
I'll check for the name of wish/tk shell in cygwin later. 

Thanks Eric for this idea. 
I agree that it is desirable to start up with a nice GUI. Most software,
even if using commands typed in a window, uses a GUI today.

Andreas

Justin Hickey wrote:
> 
> Hi Eric
> 
> "Eric G . Miller" wrote:
> > One thing you should consider too, is checking if the $DISPLAY
> > environment variable is set.  Could be a user is running in a console
> > only mode (console, telnet, ssh with no X forwarding).  Haven't a clue
> > about Windows in this regard.
> 
> Oooh! Good catch, I never thought of that one. I'll look into it. Does
> this problem even apply on Windows?
> 
> Thanks.
> 
> --
> Sincerely,
> 
> Jazzman (a.k.a. Justin Hickey)  e-mail: jhickey at hpcc.nectec.or.th
> High Performance Computing Center
> National Electronics and Computer Technology Center (NECTEC)
> Bangkok, Thailand
> ==================================================================
> People who think they know everything are very irritating to those
> of us who do.  ---Anonymous
> 
> Jazz and Trek Rule!!!
> ==================================================================
> 
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-- 
Andreas Lange, 65187 Wiesbaden, Germany, Tel. +49 611 807850
Andreas.Lange at Rhein-Main.de - A.C.Lange at GMX.net



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