Qt: Implement "AR Codes"

Source/Core/DolphinQt2/Config/ARCodeWidget.h

@@ -0,0 +1,55 @@
+// Copyright 2018 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QWidget>
+
+#include <string>
+#include <vector>
+
+#include "Common/CommonTypes.h"
+#include "Core/ActionReplay.h"
+
+class CheatWarningWidget;
+class GameFile;
+class QLabel;
+class QListWidget;
+class QListWidgetItem;
+class QPushButton;
+
+class ARCodeWidget : public QWidget
+{
+  Q_OBJECT
+public:
+  explicit ARCodeWidget(const GameFile& game);
+
+signals:
+  void OpenGeneralSettings();
+
+private:
+  void OnSelectionChanged();
+  void OnItemChanged(QListWidgetItem* item);
+
+  void CreateWidgets();
+  void ConnectWidgets();
+  void UpdateList();
+  void SaveCodes();
+
+  void OnCodeAddPressed();
+  void OnCodeEditPressed();
+  void OnCodeRemovePressed();
+
+  const GameFile& m_game;
+  std::string m_game_id;
+  u8 m_game_revision;
+
+  CheatWarningWidget* m_warning;
+  QListWidget* m_code_list;
+  QPushButton* m_code_add;
+  QPushButton* m_code_edit;
+  QPushButton* m_code_remove;
+
+  std::vector<ActionReplay::ARCode> m_ar_codes;
+};