Equalizer  1.2.1
windowSystem.h
00001 
00002 /* Copyright (c) 2006-2011, Stefan Eilemann <eile@equalizergraphics.com> 
00003  *                    2011, Daniel Pfeifer <daniel@pfeifer-mail.de>
00004  *
00005  * This library is free software; you can redistribute it and/or modify it under
00006  * the terms of the GNU Lesser General Public License version 2.1 as published
00007  * by the Free Software Foundation.
00008  *  
00009  * This library is distributed in the hope that it will be useful, but WITHOUT
00010  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00011  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00012  * details.
00013  * 
00014  * You should have received a copy of the GNU Lesser General Public License
00015  * along with this library; if not, write to the Free Software Foundation, Inc.,
00016  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00017  */
00018 
00019 #ifndef EQ_WINDOWSYSTEM_H
00020 #define EQ_WINDOWSYSTEM_H
00021 
00022 #include <eq/client/api.h>
00023 #include <eq/client/types.h>
00024 
00025 namespace eq
00026 {
00027 
00029 class WindowSystemIF
00030 {
00031 protected:
00032     EQ_API WindowSystemIF();
00033     virtual ~WindowSystemIF() {}
00034 
00035 private:
00036     virtual std::string getName() const = 0;
00037 
00038     virtual SystemWindow* createWindow(Window* window) const = 0;
00039     virtual SystemPipe* createPipe(Pipe* pipe) const = 0;
00040     virtual MessagePump* createMessagePump() const = 0;
00041     virtual bool setupFont( ObjectManager& gl, const void* key, 
00042                        const std::string& name, const uint32_t size ) const = 0;
00043 
00044     virtual void configInit( Node* node ) {}
00045     virtual void configExit( Node* node ) {}
00046 
00047 protected:
00048     static uint32_t _setupLists( ObjectManager& gl, const void* key,
00049                                  const int num );
00050 
00051 private:
00052     WindowSystemIF* _next;
00053     friend class WindowSystem;
00054 };
00055 
00056 #ifndef EQ_2_0_API
00057 enum WindowSystemEnum
00058 {                                                                            
00059     WINDOW_SYSTEM_NONE = 0, // must be first                                 
00060     WINDOW_SYSTEM_AGL,      
00061     WINDOW_SYSTEM_GLX,      
00062     WINDOW_SYSTEM_WGL,      
00063     WINDOW_SYSTEM_ALL       // must be last                                  
00064 };
00065 #endif
00066 
00068 class WindowSystem
00069 {
00070 public:
00071     EQ_API WindowSystem();
00072     EQ_API WindowSystem( std::string const& type );
00073 #ifndef EQ_2_0_API
00074     EQ_API WindowSystem( const WindowSystemEnum type );
00075     ~WindowSystem() {}
00076 
00077     EQ_API bool operator == ( const WindowSystemEnum other ) const;
00078     EQ_API bool operator != ( const WindowSystemEnum other ) const;
00079     EQ_API operator WindowSystemEnum() const;
00080 #endif
00081 
00082     static bool supports( std::string const& type );
00083 
00084     static void configInit( Node* node );
00085     static void configExit( Node* node );
00086 
00087     EQ_API std::string getName() const;
00088 
00089     EQ_API SystemWindow* createWindow( Window* window ) const;
00090     EQ_API SystemPipe* createPipe( Pipe* pipe ) const;
00091     EQ_API MessagePump* createMessagePump() const;
00092     EQ_API bool setupFont( ObjectManager& gl, const void* key,
00093                            const std::string& name, const uint32_t size ) const;
00094 
00095     EQ_API bool operator == ( const WindowSystem& other ) const;
00096     EQ_API bool operator != ( const WindowSystem& other ) const;
00097 
00098 private:
00099     const WindowSystemIF* _impl;
00100     void _chooseImpl( const std::string& name );
00101 };
00102 
00104 EQ_API std::ostream& operator << ( std::ostream& os, const WindowSystem& );
00105 
00107 EQ_API co::DataOStream& operator << ( co::DataOStream& os, const WindowSystem& );
00108 
00110 EQ_API co::DataIStream& operator >> ( co::DataIStream& is, WindowSystem& ws );
00111 
00112 } // namespace eq
00113 
00114 #endif // EQ_WINDOWSYSTEM_H
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