1 files changed, 31 insertions, 0 deletions
diff --git a/Source/Core/InputCommon/ControllerEmu/ControlGroup/Extension.h b/Source/Core/InputCommon/ControllerEmu/ControlGroup/Extension.h
new file mode 100644
index 0000000000..366e94f248
--- /dev/null
+++ b/Source/Core/InputCommon/ControllerEmu/ControlGroup/Extension.h
@@ -0,0 +1,31 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "Common/CommonTypes.h"
+#include "InputCommon/ControllerEmu/ControlGroup/ControlGroup.h"
+
+namespace ControllerEmu
+{
+class EmulatedController;
+
+class Extension : public ControlGroup
+{
+public:
+  explicit Extension(const std::string& name);
+
+  void GetState(u8* data);
+  bool IsButtonPressed() const;
+
+  std::vector<std::unique_ptr<EmulatedController>> attachments;
+
+  int switch_extension = 0;
+  int active_extension = 0;
+};
+}  // namespace ControllerEmu