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diff --git a/intern/ghost/intern/GHOST_WindowManager.h b/intern/ghost/intern/GHOST_WindowManager.h
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+/**
+ * $Id$
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * 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. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+/**
+
+ * $Id$
+ * Copyright (C) 2001 NaN Technologies B.V.
+ * @author	Maarten Gribnau
+ * @date	May 11, 2001
+ */
+
+#ifndef _GHOST_WINDOW_MANAGER_H_
+#define _GHOST_WINDOW_MANAGER_H_
+
+
+#ifdef WIN32
+#pragma warning (disable:4786) // suppress stl-MSVC debug info warning
+#endif // WIN32
+
+#include <vector>
+
+#include "GHOST_Rect.h"
+#include "GHOST_IWindow.h"
+
+//class GHOST_Window;
+
+/**
+ * Manages system windows (platform independent implementation).
+ */
+
+class GHOST_WindowManager
+{
+public:
+	/**
+	 * Constructor.
+	 */
+	GHOST_WindowManager();
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~GHOST_WindowManager();
+
+	/**
+	 * Add a window to our list.
+	 * It is only added if it is not already in the list.
+	 * @param	window Pointer to the window to be added.
+	 * @return	Indication of success.
+	 */
+	virtual GHOST_TSuccess addWindow(GHOST_IWindow* window);
+
+	/**
+	 * Remove a window from our list.
+	 * @param	window Pointer to the window to be removed.
+	 * @return	Indication of success.
+	 */
+	virtual GHOST_TSuccess removeWindow(const GHOST_IWindow* window);
+
+	/**
+	 * Returns whether the window is in our list.
+	 * @param	window Pointer to the window to query.
+	 * @return	A boolean indicator.
+	 */
+	virtual	bool getWindowFound(const GHOST_IWindow* window) const;
+
+	/**
+	 * Returns whether one of the windows is fullscreen.
+	 * @return	A boolean indicator.
+	 */
+	virtual	bool getFullScreen(void) const;
+
+	/**
+	 * Returns pointer to the full-screen window.
+	 * @return	The fll-screen window (0 if not in full-screen).
+	 */
+	virtual	GHOST_IWindow* getFullScreenWindow(void) const;
+
+	/**
+	 * Activates fullscreen mode for a window.
+	 * @param window The window displayed fullscreen.
+	 * @return	Indication of success.
+	 */
+	virtual GHOST_TSuccess beginFullScreen(GHOST_IWindow* window, const bool stereoVisual);
+
+	/**
+	 * Closes fullscreen mode down.
+	 * @return	Indication of success.
+	 */
+	virtual GHOST_TSuccess endFullScreen(void);
+
+	/**
+	 * Sets new window as active window (the window receiving events).
+	 * There can be only one window active which should be in the current window list.
+	 * @param window The new active window.
+	 */
+	virtual GHOST_TSuccess setActiveWindow(GHOST_IWindow* window);
+	
+	/**
+	 * Returns the active window (the window receiving events).
+	 * There can be only one window active which should be in the current window list.
+	 * @return window The active window (or NULL if there is none).
+	 */
+	virtual GHOST_IWindow* getActiveWindow(void) const;
+	
+
+	/**
+	 * Set this window to be inactive (not receiving events).
+	 * @param window The window to decativate.
+	 */
+	virtual void setWindowInactive(const GHOST_IWindow* window);
+	
+
+	/**
+	 * Return a vector of the windows currently managed by this 
+	 * class. 
+	 * @warning It is very dangerous to mess with the contents of 
+	 * this vector. Please do not destroy or add windows use the 
+	 * interface above for this,
+	 */
+
+		std::vector<GHOST_IWindow *> &
+	getWindows(
+	);
+
+
+protected:
+	/** The list of windows managed */
+	std::vector<GHOST_IWindow*> m_windows;
+
+	/** Window in fullscreen state. There can be only one of this which is not in or window list. */
+	GHOST_IWindow* m_fullScreenWindow;
+
+	/** The active window. */
+	GHOST_IWindow* m_activeWindow;
+};
+
+#endif // _GHOST_WINDOW_MANAGER_H_