[Gate-users] Bugfix to the Qt5 problem

[Anders Garpebring]

Dear gate developers,

I had problem earlier with a segmentation fault if I run Gate in Qt mode. For instance if I do the command: "Gate -qt main.mac". It turned out to be a change in Qt at some version that introduced this problem. The fix to the problem is quite simple. In the a Gate.cc file include the libraries:

#include <G4UIQt.hh>
#include <qmainwindow.h>

And around line 335 insert the bold text

#ifdef G4UI_USE
      ui = new G4UIExecutive( argc, argv );

      G4UIQt* qui = static_cast<G4UIQt*> (UImanager->GetG4UIWindow());
      if (qui) {
        qui->GetMainWindow()->setVisible(true);
      }

#else

Perhaps something to include in the next release.

Kind regards,
Anders Garpebring
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