Qt/Settings: Add debug mode flag

Source/Core/DolphinQt2/Main.cpp

@@ -73,6 +73,7 @@ int main(int argc, char* argv[])
   UICommon::CreateDirectories();
   UICommon::Init();
   Resources::Init();
+  Settings::Instance().SetDebugModeEnabled(options.is_set("debugger"));
 
   // Hook up alerts from core
   RegisterMsgAlertHandler(QtMsgAlertHandler);

Source/Core/DolphinQt2/Settings.cpp

@@ -196,3 +196,17 @@ void Settings::SetCheatsEnabled(bool enabled)
     emit EnableCheatsChanged(enabled);
   }
 }
+
+void Settings::SetDebugModeEnabled(bool enabled)
+{
+  if (IsDebugModeEnabled() != enabled)
+  {
+    SConfig::GetInstance().bEnableDebugging = enabled;
+    emit DebugModeToggled(enabled);
+  }
+}
+
+bool Settings::IsDebugModeEnabled() const
+{
+  return SConfig::GetInstance().bEnableDebugging;
+}

Source/Core/DolphinQt2/Settings.h

@@ -78,9 +78,12 @@ public:
   bool GetCheatsEnabled() const;
   void SetCheatsEnabled(bool enabled);
 
+  // Debug
+  void SetDebugModeEnabled(bool enabled);
+  bool IsDebugModeEnabled() const;
+
   // Other
   GameListModel* GetGameListModel() const;
-
 signals:
   void ConfigChanged();
   void EmulationStateChanged(Core::State new_state);
@@ -93,8 +96,10 @@ signals:
   void LogVisibilityChanged(bool visible);
   void LogConfigVisibilityChanged(bool visible);
   void EnableCheatsChanged(bool enabled);
+  void DebugModeToggled(bool enabled);
 
 private:
+  bool m_registers_visible = false;
   std::unique_ptr<NetPlayClient> m_client;
   std::unique_ptr<NetPlayServer> m_server;
   Settings();