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#ifndef EXCEPTION_CATCHING_APPLICATION_HPP__
#define EXCEPTION_CATCHING_APPLICATION_HPP__
#include <QApplication>
#include <boost/log/core.hpp>
#include "Logger.hpp"
class QObject;
class QEvent;
//
// We can't use the GUI after QApplication::exit() is called so
// uncaught exceptions can get lost on Windows systems where there is
// no console terminal, so here we override QApplication::notify() and
// wrap the base class call with a try block to catch and log any
// uncaught exceptions.
//
class ExceptionCatchingApplication
: public QApplication
{
public:
explicit ExceptionCatchingApplication (int& argc, char * * argv)
: QApplication {argc, argv}
{
}
bool notify (QObject * receiver, QEvent * e) override
{
try
{
return QApplication::notify (receiver, e);
}
catch (std::exception const& e)
{
LOG_FATAL ("Unexpected exception caught in event loop: " << e.what ());
}
catch (...)
{
LOG_FATAL ("Unexpected unknown exception caught in event loop");
}
// There's nowhere to go from here as Qt will not pass exceptions
// through the event loop, so we must abort.
boost::log::core::get ()->flush ();
qFatal ("Aborting");
return false;
}
};
#endif
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