Qt: Implement graphics window and controls

Source/Core/DolphinQt2/Config/Graphics/GraphicsWidget.h

@@ -0,0 +1,34 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QWidget>
+
+class GraphicsWindow;
+class QFormLayout;
+class QGroupBox;
+class QLabel;
+
+class GraphicsWidget : public QWidget
+{
+  Q_OBJECT
+public:
+  explicit GraphicsWidget(GraphicsWindow* parent);
+
+signals:
+  void DescriptionAdded(QWidget* widget, const char* description);
+
+protected:
+  void AddWidget(const QString& name, QWidget* widget);
+  void AddWidget(QWidget* widget);
+
+  void AddDescription(QWidget* widget, const char* description);
+
+  virtual void LoadSettings() = 0;
+  virtual void SaveSettings() = 0;
+
+private:
+  QFormLayout* m_main_layout;
+};