[Jprogramming] switching between windows and opengl

[bill lam]

On Wed, 16 Sep 2009, Brian Schott wrote:
> One other change I made was to add the following line to the beginning
> of the paint  verb  because I was trying to achieve the finding of the
> graphics handle when jumping between windows.
> 
>    wd'psel opengl;pactive'

I cannot run that opengl stuff because I use linux64.  However I
suspect that you need a timer to schedule the steps rather than
blindly loop 100 times.

BTW I guess that you might need
   wd'psel opengl'

but the 'pactive' part will not affect 'graphic handle'.  If you have
more than one isigraph in the same window form, then you need an the
'glsel'.  Moreover if you use 'glsel' then wd'psel ...' is not needed
for the purpose opengl drawing.  sound confusing  ;-)

-- 
regards,
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