[idd] driver: added files missed in the last commit

idd/LGIdd/CSettings.h

@@ -0,0 +1,32 @@
+#pragma once
+#include <windows.h>
+#include <vector>
+#include <string>
+
+class CSettings
+{
+  public:
+    struct DisplayMode
+    {
+      unsigned width;
+      unsigned height;
+      unsigned refresh;
+      bool     preferred;
+    };
+    typedef std::vector<DisplayMode> DisplayModes;
+
+    CSettings();
+
+    void LoadModes();
+    const DisplayModes& GetDisplayModes() { return m_displayModes; }
+    void SetExtraMode(const DisplayMode & mode);
+    bool GetExtraMode(DisplayMode & mode);
+
+  private:
+    DisplayModes m_displayModes;
+
+    bool ReadModesValue(std::vector<std::wstring> &out) const;
+    bool ParseModeString(const std::wstring& in, DisplayMode& out);
+};
+
+extern CSettings g_settings;