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diff --git a/engines/titanic/input_handler.h b/engines/titanic/input_handler.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 TITANIC_INPUT_HANDLER_H
+#define TITANIC_INPUT_HANDLER_H
+
+#include "titanic/support/rect.h"
+#include "titanic/input_translator.h"
+#include "titanic/core/tree_item.h"
+
+namespace Titanic {
+
+class CGameManager;
+
+class CInputHandler {
+private:
+	/**
+	 * Process and dispatch a passed message
+	 */
+	void processMessage(CMessage *msg);
+
+	/**
+	 * Dispatches a message to the project
+	 */
+	void dispatchMessage(CMessage *msg);
+
+	/**
+	 * Called when a drag operation has ended
+	 */
+	CGameObject *dragEnd(const Point &pt, CTreeItem *dragItem);
+public:
+	CGameManager *_gameManager;
+	CInputTranslator *_inputTranslator;
+	bool _dragging;
+	bool _buttonDown;
+	CTreeItem *_dragItem;
+	Point _dragStartPos;
+	Point _mousePos;
+	int _lockCount;
+	bool _singleton;
+public:
+	CInputHandler(CGameManager *owner);
+
+	void setTranslator(CInputTranslator *translator);
+
+	/**
+	 * Increment the lock count
+	 */
+	void incLockCount();
+
+	/**
+	 * Decrement the lock count on the input handler
+	 */
+	void decLockCount();
+
+	/**
+	 * Handles a genereated mouse message
+	 */
+	void handleMessage(CMessage &msg, bool respectLock = true);
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_INPUT_HANDLER_H */