/usr/include/SFML/Window/Context.hpp is in libsfml-dev 1.6+dfsg1-2ubuntu2.
This file is owned by root:root, with mode 0o644.
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//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_CONTEXT_HPP
#define SFML_CONTEXT_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Config.hpp>
#include <SFML/System/NonCopyable.hpp>
namespace sf
{
namespace priv
{
class WindowImpl;
}
////////////////////////////////////////////////////////////
/// Class wrapping an OpenGL context.
/// All SFML windows already have their own context, so
/// this class is more a helper for specific issues involving
/// OpenGL and multi-threading.
/// It's meant to be used internally.
////////////////////////////////////////////////////////////
class SFML_API Context : NonCopyable
{
public :
////////////////////////////////////////////////////////////
/// Default constructor, create the context
///
////////////////////////////////////////////////////////////
Context();
////////////////////////////////////////////////////////////
/// Destructor, destroy the context
///
////////////////////////////////////////////////////////////
~Context();
////////////////////////////////////////////////////////////
/// Activate or deactivate the context
///
/// \param Active : True to activate the context, false to deactivate it
///
////////////////////////////////////////////////////////////
void SetActive(bool Active);
////////////////////////////////////////////////////////////
/// Check if there's a context bound to the current thread
///
/// \return True if there's a context bound to the current thread
///
////////////////////////////////////////////////////////////
static bool IsContextActive();
////////////////////////////////////////////////////////////
/// Get the global context
///
/// \return Reference to the global context
///
////////////////////////////////////////////////////////////
static Context& GetGlobal();
private :
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
priv::WindowImpl* myDummyWindow; ///< Dummy window holding the context
};
} // namespace sf
#endif // SFML_CONTEXT_HPP
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