hallo all, Valeri wrote: >There is "some" TVirtualX class implementations ( provided by two separate >organizations, namely GSI and BNL) using Qt as its low level interface with the >local GDI. In our case at the GSI, this is not true, we don't have any TVirtualX implementation, what we have is QApplication which drives the TApplication via Timer (http://www-linux.gsi.de/go4/qtroot/html/qtroot.html). Using this interface on Linux we have the full functionality of both Root and Qt including threads and Timers. Moreover, this interface was heavily tested in the Go4 Project (http://go4.gsi.de) which is a multi-threaded application. In other words the Qt-Root interface provided by the GSI (Denis Bertini) is a full scale Qt-Root integration on Linux. cheers, Mohammad ################################################## Dr. Mohammad Al-Turany Experiment Data Processing (DV & EE) Gesellschaft für Schwerionenforschung (GSI) Planckstr. 1 D-64291 Darmstadt, Germany Tel: +49-6159-71-2554 Fax: +49-6159-71-2986 http://www-linux.gsi.de/~turany ################################################## -----Original Message----- From: Valeri Fine [mailto:fine@bnl.gov] Sent: Wednesday, April 10, 2002 3:21 PM To: roottalk@pcroot.cern.ch Subject: Re: [ROOT] TTimer application hangs when using QT Hello Joe, > Has anyone any documentation on what I have to take care of when using root > with qt ? I know that qt is multi threaded on windows where root is not, so > I cant use root mutex locks. Any help would be appriciated ! Of course there is NO such document since there is no ROOT with Qt yet. There is "some" TVirtualX class implementations ( provided by two separate organizations, namely GSI and BNL) using Qt as its low level interface with the local GDI. This is not what you are speaking about. You are speaking about a full scale ROOT-Qt integration. This is a full time job for some one from ROOT team. Of course you may contribute with either documentation (see FemiLab Web site) or with a real code. Re-read http://root.cern.ch/root/roottalk/roottalk02/1601.html again. Cheers, Valeri
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