NOISSUE make the setup wizard use the main event loop

This should fix any issues with receiving events over IPC.

application/MultiMC.cpp

@@ -312,8 +312,6 @@ MultiMC::MultiMC(int &argc, char **argv) : QApplication(argc, argv)
 
 	connect(this, SIGNAL(aboutToQuit()), SLOT(onExit()));
 
-	m_status = MultiMC::Initialized;
-
 	setIconTheme(settings()->get("IconTheme").toString());
 	setApplicationTheme(settings()->get("ApplicationTheme").toString());
 
@@ -322,10 +320,22 @@ MultiMC::MultiMC(int &argc, char **argv) : QApplication(argc, argv)
 	if(SetupWizard::isRequired())
 	{
 		m_setupWizard = new SetupWizard(nullptr);
-		int result = m_setupWizard->exec();
+		connect(m_setupWizard, &QDialog::finished, this, &MultiMC::setupWizardFinished);
-		qDebug() << "Wizard result =" << result;
+		m_setupWizard->show();
+		return;
+	}
+	performMainStartupAction();
 }
 
+void MultiMC::setupWizardFinished(int status)
+{
+	qDebug() << "Wizard result =" << status;
+	performMainStartupAction();
+}
+
+void MultiMC::performMainStartupAction()
+{
+	m_status = MultiMC::Initialized;
 	if(!m_instanceIdToLaunch.isEmpty())
 	{
 		auto inst = instances()->getInstanceById(m_instanceIdToLaunch);
@@ -361,6 +371,11 @@ MultiMC::~MultiMC()
 
 void MultiMC::messageReceived(const QString& message)
 {
+	if(status() != Initialized)
+	{
+		qDebug() << "Received message" << message << "while still initializing. It will be ignored.";
+		return;
+	}
 	if(message == "activate")
 	{
 		showMainWindow();

application/MultiMC.h

@@ -49,6 +49,7 @@ class MultiMC : public QApplication
 public:
 	enum Status
 	{
+		StartingUp,
 		Failed,
 		Succeeded,
 		Initialized
@@ -163,14 +164,12 @@ private slots:
 	 * Do all the things that should be done before we exit
 	 */
 	void onExit();
-
 	void on_windowClose();
-
 	void messageReceived(const QString & message);
-
 	void controllerSucceeded();
 	void controllerFailed(const QString & error);
 	void analyticsSettingChanged(const Setting &setting, QVariant value);
+	void setupWizardFinished(int status);
 
 private:
 	void initLogger();
@@ -185,6 +184,7 @@ private:
 	void initMCEdit();
 	void initAnalytics();
 	void shutdownAnalytics();
+	void performMainStartupAction();
 
 private:
 	QDateTime startTime;
@@ -208,7 +208,7 @@ private:
 	QMap<QString, std::shared_ptr<BaseProfilerFactory>> m_profilers;
 
 	QString m_rootPath;
-	Status m_status = MultiMC::Failed;
+	Status m_status = MultiMC::StartingUp;
 
 	// used on Windows to attach the standard IO streams
 	bool consoleAttached = false;

application/main.cpp

@@ -33,6 +33,7 @@ int main(int argc, char *argv[])
 
 	switch (app.status())
 	{
+	case MultiMC::StartingUp:
 	case MultiMC::Initialized:
 	{
 		Q_INIT_RESOURCE(multimc);