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diff --git a/engines/mutationofjb/widgets/widget.h b/engines/mutationofjb/widgets/widget.h
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+++ b/engines/mutationofjb/widgets/widget.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 MUTATIONOFJB_WIDGET_H
+#define MUTATIONOFJB_WIDGET_H
+
+#include <common/scummsys.h>
+#include <common/rect.h>
+
+namespace Common {
+class Event;
+}
+
+namespace Graphics {
+class ManagedSurface;
+}
+
+namespace MutationOfJB {
+
+class Gui;
+
+class Widget {
+public:
+	Widget(Gui &gui, const Common::Rect &area) : _gui(gui), _area(area), _id(0), _dirty(true) {}
+	virtual ~Widget() {}
+
+	int getId() const;
+	void setId(int id);
+
+	bool isDirty() const;
+	void markDirty();
+	void update(Graphics::ManagedSurface &);
+
+	virtual void handleEvent(const Common::Event &) {}
+protected:
+	virtual void _draw(Graphics::ManagedSurface &) = 0;
+
+	Gui &_gui;
+	Common::Rect _area;
+	int _id;
+	bool _dirty;
+};
+
+}
+
+#endif
+