Qt: Implement Batch flag (-b)

Source/Core/DolphinQt2/Main.cpp

@@ -87,6 +87,7 @@ int main(int argc, char* argv[])
   UICommon::Init();
   Resources::Init();
   Settings::Instance().SetDebugModeEnabled(options.is_set("debugger"));
+  Settings::Instance().SetBatchModeEnabled(options.is_set("batch"));
 
   // Hook up alerts from core
   RegisterMsgAlertHandler(QtMsgAlertHandler);

Source/Core/DolphinQt2/MainWindow.cpp

@@ -526,7 +526,7 @@ void MainWindow::OnStopComplete()
   m_stop_requested = false;
   HideRenderWidget();
 
-  if (m_exit_requested)
+  if (m_exit_requested || Settings::Instance().IsBatchModeEnabled())
     QGuiApplication::instance()->quit();
 
   // If the current emulation prevented the booting of another, do that now

Source/Core/DolphinQt2/Settings.cpp

@@ -416,3 +416,12 @@ bool Settings::AreWidgetsLocked() const
 {
   return GetQSettings().value(QStringLiteral("widgets/locked"), true).toBool();
 }
+
+bool Settings::IsBatchModeEnabled() const
+{
+  return m_batch;
+}
+void Settings::SetBatchModeEnabled(bool batch)
+{
+  m_batch = batch;
+}

Source/Core/DolphinQt2/Settings.h

@@ -70,6 +70,8 @@ public:
   // Emulation
   int GetStateSlot() const;
   void SetStateSlot(int);
+  bool IsBatchModeEnabled() const;
+  void SetBatchModeEnabled(bool batch);
 
   // Graphics
   void SetHideCursor(bool hide_cursor);
@@ -147,6 +149,7 @@ signals:
   void AnalyticsToggled(bool enabled);
 
 private:
+  bool m_batch = false;
   bool m_controller_state_needed = false;
   std::unique_ptr<NetPlayClient> m_client;
   std::unique_ptr<NetPlayServer> m_server;