Qt: Add advanced settings

src/duckstation-qt/advancedsettingswidget.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <QtWidgets/QWidget>
+
+#include "ui_advancedsettingswidget.h"
+
+class QtHostInterface;
+class SettingsDialog;
+
+class AdvancedSettingsWidget : public QWidget
+{
+  Q_OBJECT
+
+public:
+  explicit AdvancedSettingsWidget(QtHostInterface* host_interface, QWidget* parent, SettingsDialog* dialog);
+  ~AdvancedSettingsWidget();
+
+private:
+  Ui::AdvancedSettingsWidget m_ui;
+
+  QtHostInterface* m_host_interface;
+};