Method DelayedHandlerAction

libraries/lib-exceptions/AudacityException.cpp:82–116

This is meant to be invoked via wxEvtHandler::CallAfter

// This is meant to be invoked via wxEvtHandler::CallAfter
void MessageBoxException::DelayedHandlerAction()
{
   if (!moved) {
      // This test prevents accumulation of multiple messages between idle
      // times of the main even loop.  Only the last queued exception
      // displays its message.  We assume that multiple messages have a
      // common cause such as exhaustion of disk space so that the others
      // give the user no useful added information.

      using namespace BasicUI;
      if ( wxAtomicDec( sOutstandingMessages ) == 0 ) {
         if (exceptionType != ExceptionType::Internal
             && ErrorHelpUrl().IsEmpty()) {
            // We show BadEnvironment and BadUserAction in a similar way
            ShowMessageBox(
               ErrorMessage(),
               MessageBoxOptions{}
                  .Caption(caption.empty() ? DefaultCaption() : caption)
                  .IconStyle(Icon::Error) );
         }
         else {
            using namespace BasicUI;
            auto type = exceptionType == ExceptionType::Internal
               ? ErrorDialogType::ModalErrorReport : ErrorDialogType::ModalError;
            ShowErrorDialog( {},
               (caption.empty() ? DefaultCaption() : caption),
               ErrorMessage(),
               ErrorHelpUrl(),
               ErrorDialogOptions{ type } );
         }
      }

      moved = true;
   }
}