Re: [ROOT] ROOT/QtROOT within a multithreaded Qt application

From: Valeri Fine (fine@bnl.gov)
Date: Fri Jan 04 2002 - 20:45:38 MET


> I **am** able to create a popup window using only Qt widgets from the
> simulation thread, so it appears that my Linux, X11R6 and Qt are properly
> setup to support threads. I would rather not have to rewrite ROOT to use
> only Qt widgets.
> 
> I have looked at the Qt document "Thread Support in Qt", and at the Threads
> chapter in the ROOT Users Guide, and I have looked at the roottalk messages
> that were found by searching the ROOT website. I have also read through
> http://go4.gsi.de/Threads/tthread.htm (where item 1.2.4 seems to indicate
> that there is no hope). I may have missed something, of course, so feel free
> to call me whatever names you prefer as long as you also clearly point me
> wherever the "blatantly obvious solution" is documented.

  Have you paid your attention some Qt function can be called from the 
  Qt GUI thread ONLY ?

> 
> Any other helpful hints, suggestions, or fixes would also be appreciated.
> 
> Tony Colley
> 
> ITT Industries A/CD
> Fort Wayne, IN  USA
> Tony.Colley@itt.com



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