void ScriptingWidget::showEvent(QShowEvent* pEvent)
{
   if ((mInterpreter.get() == NULL) && (mInterpreterName.isEmpty() == false))
   {
      Interpreter* pInterpreter = NULL;
      setReadOnly(true);
      std::vector<PlugIn*> plugIns = mpPims->getPlugInInstances(mInterpreterName.toStdString());
      if (plugIns.empty() == false && dynamic_cast<InterpreterManager*>(plugIns.front()) != NULL)
      {
         mInterpreter = PlugInResource(plugIns.front());
      }
      else
      {
         mInterpreter = PlugInResource(mInterpreterName.toStdString());
      }

      InterpreterManager* pInterMgr = dynamic_cast<InterpreterManager*>(mInterpreter.get());
      if (pInterMgr != NULL)
      {
         mInteractive = pInterMgr->isInteractiveEnabled();
         pInterMgr->start();
         QString startupMsg = QString::fromStdString(pInterMgr->getStartupMessage());
         addOutputText(startupMsg, false, false);
         pInterMgr->attach(SIGNAL_NAME(InterpreterManager, InterpreterStarted), Slot(this, &ScriptingWidget::interpreterStarted));
         pInterpreter = pInterMgr->getInterpreter();
      }

      if (pInterpreter != NULL)
      {
         pInterpreter->attach(SIGNAL_NAME(Interpreter, OutputText), Slot(this, &ScriptingWidget::receiveOutput));
         pInterpreter->attach(SIGNAL_NAME(Interpreter, ErrorText), Slot(this, &ScriptingWidget::receiveOutput));
         setReadOnly(!mInteractive);
      }
   }

   // Append a prompt if the widget is shown for the first time
   if (mDisplayedOnce == false)
   {
      appendPrompt();
      mDisplayedOnce = true;
   }

   // Show the widget
   QTextEdit::showEvent(pEvent);
}
void ScriptingWidget::interpreterStarted(Subject& subject, const std::string& signal, const boost::any& data)
{
   Interpreter* pInterpreter = NULL;
   InterpreterManager* pInterMgr = dynamic_cast<InterpreterManager*>(mInterpreter.get());
   if (pInterMgr != NULL)
   {
      pInterpreter = pInterMgr->getInterpreter();
      QString startupMsg = QString::fromStdString(pInterMgr->getStartupMessage());
      addOutputText(startupMsg, false, true);
   }
   if (pInterpreter != NULL)
   {
      pInterpreter->attach(SIGNAL_NAME(Interpreter, OutputText), Slot(this, &ScriptingWidget::receiveOutput));
      pInterpreter->attach(SIGNAL_NAME(Interpreter, ErrorText), Slot(this, &ScriptingWidget::receiveOutput));
      setReadOnly(!mInteractive);
      appendPrompt();
   }
}