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diff --git a/engines/kyra/gui/gui.h b/engines/kyra/gui/gui.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef KYRA_GUI_H
+#define KYRA_GUI_H
+
+#include "kyra/kyra_v1.h"
+#include "kyra/graphics/screen.h"
+
+#include "common/ptr.h"
+#include "common/array.h"
+#include "common/func.h"
+
+#include "graphics/surface.h"
+
+namespace Kyra {
+
+#define BUTTON_FUNCTOR(type, x, y) Button::Callback(new Common::Functor1Mem<Button *, int, type>(x, y))
+
+struct Button {
+	typedef Common::Functor1<Button *, int> CallbackFunctor;
+	typedef Common::SharedPtr<CallbackFunctor> Callback;
+
+	Button() : nextButton(0), index(0), keyCode(0), keyCode2(0), data0Val1(0), data1Val1(0), data2Val1(0), data3Val1(0), flags(0),
+	    data0ShapePtr(0), data1ShapePtr(0), data2ShapePtr(0), data0Callback(), data1Callback(), data2Callback(),
+	    dimTableIndex(0), x(0), y(0), width(0), height(0), data0Val2(0), data0Val3(0), data1Val2(0), data1Val3(0),
+	    data2Val2(0), data2Val3(0), data3Val2(0), data3Val3(0), flags2(0), mouseWheel(0), buttonCallback(), extButtonDef(0), arg(0) {}
+
+	Button *nextButton;
+	uint16 index;
+
+	uint16 keyCode;
+	uint16 keyCode2;
+
+	byte data0Val1;
+	byte data1Val1;
+	byte data2Val1;
+	byte data3Val1;
+
+	uint16 flags;
+
+	const uint8 *data0ShapePtr;
+	const uint8 *data1ShapePtr;
+	const uint8 *data2ShapePtr;
+	Callback data0Callback;
+	Callback data1Callback;
+	Callback data2Callback;
+
+	uint16 dimTableIndex;
+
+	int16 x, y;
+	uint16 width, height;
+
+	uint8 data0Val2;
+	uint8 data0Val3;
+
+	uint8 data1Val2;
+	uint8 data1Val3;
+
+	uint8 data2Val2;
+	uint8 data2Val3;
+
+	uint8 data3Val2;
+	uint8 data3Val3;
+
+	uint16 flags2;
+
+	int8 mouseWheel;
+
+	Callback buttonCallback;
+
+	const void *extButtonDef;
+
+	uint16 arg;
+};
+
+class Screen;
+class TextDisplayer;
+
+class GUI {
+public:
+	GUI(KyraEngine_v1 *vm);
+	virtual ~GUI();
+
+	// button specific
+	virtual void processButton(Button *button) = 0;
+	virtual int processButtonList(Button *buttonList, uint16 inputFlags, int8 mouseWheel) = 0;
+
+	// utilities for thumbnail creation
+	virtual void createScreenThumbnail(Graphics::Surface &dst) = 0;
+
+	void notifyUpdateSaveSlotsList() { _saveSlotsListUpdateNeeded = true; }
+
+protected:
+	KyraEngine_v1 *_vm;
+	Screen *_screen;
+
+	// The engine expects a list of contiguous savegame indices.
+	// Since ScummVM's savegame indices aren't, we re-index them.
+	// The integers stored in _saveSlots are ScummVM savegame indices.
+	Common::Array<int> _saveSlots;
+	void updateSaveFileList(Common::String targetName, bool excludeQuickSaves = false);
+	int getNextSavegameSlot();
+	void updateSaveSlotsList(Common::String targetName, bool force = false);
+
+	virtual void sortSaveSlots();
+
+	uint32 _lastScreenUpdate;
+	char **_savegameList;
+	int _savegameListSize;
+	bool _saveSlotsListUpdateNeeded;
+
+	Common::KeyState _keyPressed;
+};
+
+} // End of namespace Kyra
+
+#endif