Qt: Interface Pane

Adds the interface pane to Qt Settings. Very basic, just some UI
customization options.

Source/Core/DolphinQt2/Settings/InterfacePane.h

@@ -0,0 +1,38 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QWidget>
+
+class QCheckBox;
+class QComboBox;
+class QVBoxLayout;
+
+class InterfacePane final : public QWidget
+{
+  Q_OBJECT
+public:
+  explicit InterfacePane(QWidget* parent = nullptr);
+
+private:
+  void CreateLayout();
+  void CreateUI();
+  void CreateInGame();
+  void ConnectLayout();
+  void LoadConfig();
+  void OnSaveConfig();
+
+  QVBoxLayout* m_main_layout;
+  QComboBox* m_combobox_theme;
+  QCheckBox* m_checkbox_auto_window;
+  QCheckBox* m_checkbox_top_window;
+  QCheckBox* m_checkbox_render_to_window;
+
+  QCheckBox* m_checkbox_confirm_on_stop;
+  QCheckBox* m_checkbox_use_panic_handlers;
+  QCheckBox* m_checkbox_enable_osd;
+  QCheckBox* m_checkbox_pause_on_focus_lost;
+  QCheckBox* m_checkbox_hide_mouse;
+};