--- /dev/null
+#include <QMainWindow>
+#include <memory>
+
+
+class QTabWidget;
+
+namespace qtplus
+{
+class SettingsModel;
+}
+
+namespace testopt
+{
+
+class MainDialog : public QMainWindow
+{
+ Q_OBJECT;
+
+public:
+ MainDialog();
+
+private slots:
+
+private:
+ QTabWidget *tabs_;
+ std::auto_ptr<qtplus::SettingsModel> model_;
+};
+
+} // namespace testopt
+