major engine cleanup. dependency on baselib removed. engine is now C code (not ansi tho). some other cruft removed aswell

author: Magnus Auvinen <magnus.auvinen@gmail.com> 2007-08-22 07:52:33 +0000
committer: Magnus Auvinen <magnus.auvinen@gmail.com> 2007-08-22 07:52:33 +0000
commit: 8b3c16e6152a527f9aec1a88a9eed74119de7000 (patch)
tree: f0bde5cea15e696e42cade06a3b12ff6b13acc57 /src/engine/external/glfw/lib/x11
parent: 9899666a7ce6679a3b9667ab09f615f4d0769c16 (diff)
download: zcatch-8b3c16e6152a527f9aec1a88a9eed74119de7000.tar.gz
zcatch-8b3c16e6152a527f9aec1a88a9eed74119de7000.zip
10 files changed, 5014 insertions, 0 deletions
diff --git a/src/engine/external/glfw/lib/x11/platform.h b/src/engine/external/glfw/lib/x11/platform.h
new file mode 100644
index 00000000..d03d3582
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/platform.h
@@ -0,0 +1,415 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        platform.h
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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 _platform_h_
+#define _platform_h_
+
+
+// This is the X11 version of GLFW
+#define _GLFW_X11
+
+
+// Include files
+#include <sys/time.h>
+#include <unistd.h>
+#include <signal.h>
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+#include <X11/Xatom.h>
+#include <GL/glx.h>
+#include "../../include/GL/glfw.h"
+
+// Do we have pthread support?
+#ifdef _GLFW_HAS_PTHREAD
+ #include <pthread.h>
+ #include <sched.h>
+#endif
+
+// With XFree86, we can use the XF86VidMode extension
+#if defined( _GLFW_HAS_XF86VIDMODE )
+ #include <X11/extensions/xf86vmode.h>
+#endif
+
+#if defined( _GLFW_HAS_XRANDR )
+ #include <X11/extensions/Xrandr.h>
+#endif
+
+// Do we have support for dlopen/dlsym?
+#if defined( _GLFW_HAS_DLOPEN )
+ #include <dlfcn.h>
+#endif
+
+// We support two different ways for getting the number of processors in
+// the system: sysconf (POSIX) and sysctl (BSD?)
+#if defined( _GLFW_HAS_SYSCONF )
+
+ // Use a single constant for querying number of online processors using
+ // the sysconf function (e.g. SGI defines _SC_NPROC_ONLN instead of
+ // _SC_NPROCESSORS_ONLN)
+ #ifndef _SC_NPROCESSORS_ONLN
+  #ifdef  _SC_NPROC_ONLN
+   #define _SC_NPROCESSORS_ONLN _SC_NPROC_ONLN
+  #else
+   #error POSIX constant _SC_NPROCESSORS_ONLN not defined!
+  #endif
+ #endif
+
+ // Macro for querying the number of processors
+ #define _glfw_numprocessors(n) n=(int)sysconf(_SC_NPROCESSORS_ONLN)
+
+#elif defined( _GLFW_HAS_SYSCTL )
+
+ #include <sys/types.h>
+ #include <sys/sysctl.h>
+
+ // Macro for querying the number of processors
+ #define _glfw_numprocessors(n) { \
+    int mib[2], ncpu; \
+    size_t len = 1; \
+    mib[0] = CTL_HW; \
+    mib[1] = HW_NCPU; \
+    n      = 1; \
+    if( sysctl( mib, 2, &ncpu, &len, NULL, 0 ) != -1 ) \
+    { \
+        if( len > 0 ) \
+        { \
+            n = ncpu; \
+        } \
+    } \
+ }
+
+#else
+
+ // If neither sysconf nor sysctl is supported, assume single processor
+ // system
+ #define _glfw_numprocessors(n) n=1
+
+#endif
+
+void (*glXGetProcAddress(const GLubyte *procName))();
+void (*glXGetProcAddressARB(const GLubyte *procName))();
+void (*glXGetProcAddressEXT(const GLubyte *procName))();
+
+// We support four different ways for getting addresses for GL/GLX
+// extension functions: glXGetProcAddress, glXGetProcAddressARB,
+// glXGetProcAddressEXT, and dlsym
+#if   defined( _GLFW_HAS_GLXGETPROCADDRESSARB )
+ #define _glfw_glXGetProcAddress(x) glXGetProcAddressARB(x)
+#elif defined( _GLFW_HAS_GLXGETPROCADDRESS )
+ #define _glfw_glXGetProcAddress(x) glXGetProcAddress(x)
+#elif defined( _GLFW_HAS_GLXGETPROCADDRESSEXT )
+ #define _glfw_glXGetProcAddress(x) glXGetProcAddressEXT(x)
+#elif defined( _GLFW_HAS_DLOPEN )
+ #define _glfw_glXGetProcAddress(x) dlsym(_glfwLibs.libGL,x)
+ #define _GLFW_DLOPEN_LIBGL
+#else
+#define _glfw_glXGetProcAddress(x) NULL
+#endif
+
+// glXSwapIntervalSGI typedef (X11 buffer-swap interval control)
+typedef int ( * GLXSWAPINTERVALSGI_T) (int interval);
+
+
+//========================================================================
+// Global variables (GLFW internals)
+//========================================================================
+
+//------------------------------------------------------------------------
+// Window structure
+//------------------------------------------------------------------------
+typedef struct _GLFWwin_struct _GLFWwin;
+
+struct _GLFWwin_struct {
+
+// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
+
+    // User callback functions
+    GLFWwindowsizefun    WindowSizeCallback;
+    GLFWwindowclosefun   WindowCloseCallback;
+    GLFWwindowrefreshfun WindowRefreshCallback;
+    GLFWmousebuttonfun   MouseButtonCallback;
+    GLFWmouseposfun      MousePosCallback;
+    GLFWmousewheelfun    MouseWheelCallback;
+    GLFWkeyfun           KeyCallback;
+    GLFWcharfun          CharCallback;
+
+    // User selected window settings
+    int       Fullscreen;      // Fullscreen flag
+    int       MouseLock;       // Mouse-lock flag
+    int       AutoPollEvents;  // Auto polling flag
+    int       SysKeysDisabled; // System keys disabled flag
+    int       WindowNoResize;  // Resize- and maximize gadgets disabled flag
+
+    // Window status & parameters
+    int       Opened;          // Flag telling if window is opened or not
+    int       Active;          // Application active flag
+    int       Iconified;       // Window iconified flag
+    int       Width, Height;   // Window width and heigth
+    int       Accelerated;     // GL_TRUE if window is HW accelerated
+    int       RedBits;
+    int       GreenBits;
+    int       BlueBits;
+    int       AlphaBits;
+    int       DepthBits;
+    int       StencilBits;
+    int       AccumRedBits;
+    int       AccumGreenBits;
+    int       AccumBlueBits;
+    int       AccumAlphaBits;
+    int       AuxBuffers;
+    int       Stereo;
+    int       RefreshRate;     // Vertical monitor refresh rate
+    int       Samples;
+
+    // Extensions & OpenGL version
+    int       Has_GL_SGIS_generate_mipmap;
+    int       Has_GL_ARB_texture_non_power_of_two;
+    int       GLVerMajor,GLVerMinor;
+
+
+// ========= PLATFORM SPECIFIC PART ======================================
+
+    // Platform specific window resources
+    Window      Win;             // Window
+    int         Scrn;            // Screen ID
+    XVisualInfo *VI;             // Visual
+    GLXContext  CX;              // OpenGL rendering context
+    Atom        WMDeleteWindow;  // For WM close detection
+    Atom        WMPing;          // For WM ping response
+    XSizeHints  *Hints;          // WM size hints
+
+    // Platform specific extensions
+    GLXSWAPINTERVALSGI_T SwapInterval;
+
+    // Various platform specific internal variables
+    int         OverrideRedirect; // True if window is OverrideRedirect
+    int         KeyboardGrabbed; // True if keyboard is currently grabbed
+    int         PointerGrabbed;  // True if pointer is currently grabbed
+    int         PointerHidden;   // True if pointer is currently hidden
+    int         MapNotifyCount;  // Used for during processing
+    int         FocusInCount;    // Used for during processing
+
+    // Screensaver data
+    struct {
+	int     Changed;
+	int     Timeout;
+	int     Interval;
+	int     Blanking;
+	int     Exposure;
+    } Saver;
+
+    // Fullscreen data
+    struct {
+	int     ModeChanged;
+#if defined( _GLFW_HAS_XF86VIDMODE )
+	XF86VidModeModeInfo OldMode;
+#endif
+#if defined( _GLFW_HAS_XRANDR )
+        SizeID   OldSizeID;
+	int      OldWidth;
+	int      OldHeight;
+	Rotation OldRotation;
+#endif
+    } FS;
+};
+
+GLFWGLOBAL _GLFWwin _glfwWin;
+
+
+//------------------------------------------------------------------------
+// User input status (most of this should go in _GLFWwin)
+//------------------------------------------------------------------------
+GLFWGLOBAL struct {
+
+// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
+
+    // Mouse status
+    int  MousePosX, MousePosY;
+    int  WheelPos;
+    char MouseButton[ GLFW_MOUSE_BUTTON_LAST+1 ];
+
+    // Keyboard status
+    char Key[ GLFW_KEY_LAST+1 ];
+    int  LastChar;
+
+    // User selected settings
+    int  StickyKeys;
+    int  StickyMouseButtons;
+    int  KeyRepeat;
+
+
+// ========= PLATFORM SPECIFIC PART ======================================
+
+    // Platform specific internal variables
+    int  MouseMoved, CursorPosX, CursorPosY;
+
+} _glfwInput;
+
+
+//------------------------------------------------------------------------
+// Library global data
+//------------------------------------------------------------------------
+GLFWGLOBAL struct {
+
+// ========= PLATFORM SPECIFIC PART ======================================
+
+    Display     *Dpy;
+    int         NumScreens;
+    int         DefaultScreen;
+
+    struct {
+	int	Available;
+	int     EventBase;
+	int     ErrorBase;
+    } XF86VidMode;
+
+    struct {
+	int	Available;
+	int     EventBase;
+	int     ErrorBase;
+    } XRandR;
+
+    // Timer data
+    struct {
+	double       Resolution;
+	long long    t0;
+    } Timer;
+
+#if defined(_GLFW_DLOPEN_LIBGL)
+    struct {
+	void        *libGL;          // dlopen handle for libGL.so
+    } Libs;
+#endif
+} _glfwLibrary;
+
+
+//------------------------------------------------------------------------
+// Thread record (one for each thread)
+//------------------------------------------------------------------------
+typedef struct _GLFWthread_struct _GLFWthread;
+
+struct _GLFWthread_struct {
+
+// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
+
+    // Pointer to previous and next threads in linked list
+    _GLFWthread   *Previous, *Next;
+
+    // GLFW user side thread information
+    GLFWthread    ID;
+    GLFWthreadfun Function;
+
+// ========= PLATFORM SPECIFIC PART ======================================
+
+    // System side thread information
+#ifdef _GLFW_HAS_PTHREAD
+    pthread_t     PosixID;
+#endif
+
+};
+
+
+//------------------------------------------------------------------------
+// General thread information
+//------------------------------------------------------------------------
+GLFWGLOBAL struct {
+
+// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
+
+    // Next thread ID to use (increments for every created thread)
+    GLFWthread       NextID;
+
+    // First thread in linked list (always the main thread)
+    _GLFWthread      First;
+
+// ========= PLATFORM SPECIFIC PART ======================================
+
+    // Critical section lock
+#ifdef _GLFW_HAS_PTHREAD
+    pthread_mutex_t  CriticalSection;
+#endif
+
+} _glfwThrd;
+
+
+//------------------------------------------------------------------------
+// Joystick information & state
+//------------------------------------------------------------------------
+GLFWGLOBAL struct {
+    int           Present;
+    int           fd;
+    int           NumAxes;
+    int           NumButtons;
+    float         *Axis;
+    unsigned char *Button;
+} _glfwJoy[ GLFW_JOYSTICK_LAST + 1 ];
+
+
+//========================================================================
+// Macros for encapsulating critical code sections (i.e. making parts
+// of GLFW thread safe)
+//========================================================================
+
+// Thread list management
+#ifdef _GLFW_HAS_PTHREAD
+ #define ENTER_THREAD_CRITICAL_SECTION \
+         pthread_mutex_lock( &_glfwThrd.CriticalSection );
+ #define LEAVE_THREAD_CRITICAL_SECTION \
+         pthread_mutex_unlock( &_glfwThrd.CriticalSection );
+#else
+ #define ENTER_THREAD_CRITICAL_SECTION
+ #define LEAVE_THREAD_CRITICAL_SECTION
+#endif
+
+
+//========================================================================
+// Prototypes for platform specific internal functions
+//========================================================================
+
+// Time
+void _glfwInitTimer( void );
+
+// Fullscreen support
+int  _glfwGetClosestVideoMode( int screen, int *width, int *height, int *rate );
+void _glfwSetVideoModeMODE( int screen, int mode, int rate );
+void _glfwSetVideoMode( int screen, int *width, int *height, int *rate );
+
+// Cursor handling
+Cursor _glfwCreateNULLCursor( Display *display, Window root );
+
+// Joystick input
+void _glfwInitJoysticks( void );
+void _glfwTerminateJoysticks( void );
+
+// Unicode support
+long _glfwKeySym2Unicode( KeySym keysym );
+
+
+#endif // _platform_h_
diff --git a/src/engine/external/glfw/lib/x11/x11_enable.c b/src/engine/external/glfw/lib/x11/x11_enable.c
new file mode 100644
index 00000000..486833f7
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_enable.c
@@ -0,0 +1,51 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_enable.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+//************************************************************************
+//****               Platform implementation functions                ****
+//************************************************************************
+
+//========================================================================
+// _glfwPlatformEnableSystemKeys() - Enable system keys
+// _glfwPlatformDisableSystemKeys() - Disable system keys
+//========================================================================
+
+void _glfwPlatformEnableSystemKeys( void )
+{
+    // Not supported under X11 (yet)
+}
+
+void _glfwPlatformDisableSystemKeys( void )
+{
+    // Not supported under X11 (yet)
+}
diff --git a/src/engine/external/glfw/lib/x11/x11_fullscreen.c b/src/engine/external/glfw/lib/x11/x11_fullscreen.c
new file mode 100644
index 00000000..2eb3cf75
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_fullscreen.c
@@ -0,0 +1,524 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_fullscreen.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+//************************************************************************
+//****                  GLFW internal functions                       ****
+//************************************************************************
+
+//========================================================================
+// _glfwBPP2RGB() - Convert BPP to RGB bits (based on "best guess")
+//========================================================================
+
+static void _glfwBPP2RGB( int bpp, int *r, int *g, int *b )
+{
+    int delta;
+
+    // Special case: BPP = 32 (I don't think this is necessary for X11??)
+    if( bpp == 32 )
+	bpp = 24;
+
+    // Convert "bits per pixel" to red, green & blue sizes
+    *r = *g = *b = bpp / 3;
+    delta = bpp - (*r * 3);
+    if( delta >= 1 )
+    {
+        *g = *g + 1;
+    }
+    if( delta == 2 )
+    {
+        *r = *r + 1;
+    }
+}
+
+
+//========================================================================
+// Finds the video mode closest in size to the specified desired size
+//========================================================================
+
+int _glfwGetClosestVideoMode( int screen, int *width, int *height, int *rate )
+{
+#if defined( _GLFW_HAS_XRANDR )
+    int i, match, bestmatch;
+    int sizecount, bestsize;
+    int ratecount, bestrate;
+    short *ratelist;
+    XRRScreenConfiguration *sc;
+    XRRScreenSize *sizelist;
+
+    if( _glfwLibrary.XRandR.Available )
+    {
+	sc = XRRGetScreenInfo( _glfwLibrary.Dpy,
+			       RootWindow( _glfwLibrary.Dpy, screen ) );
+
+	sizelist = XRRConfigSizes( sc, &sizecount );
+
+        // Find the best matching mode
+        bestsize  = -1;
+        bestmatch = 999999;
+        for( i = 0; i < sizecount; i++ )
+        {
+            match = (*width - sizelist[i].width) *
+                    (*width - sizelist[i].width) +
+                    (*height - sizelist[i].height) *
+                    (*height - sizelist[i].height);
+            if( match < bestmatch )
+            {
+                bestmatch = match;
+                bestsize  = i;
+            }
+        }
+
+	if( bestsize != -1 )
+	{
+	    // Report width & height of best matching mode
+	    *width = sizelist[bestsize].width;
+	    *height = sizelist[bestsize].height;
+
+	    if( *rate > 0 )
+	    {
+		ratelist = XRRConfigRates( sc, bestsize, &ratecount );
+
+		bestrate = -1;
+		bestmatch = 999999;
+		for( i = 0; i < ratecount; i++ )
+		{
+		    match = abs( ratelist[i] - *rate );
+		    if( match < bestmatch )
+		    {
+			bestmatch = match;
+			bestrate = ratelist[i];
+		    }
+		}
+		
+		if( bestrate != -1 )
+		{
+		    *rate = bestrate;
+		}
+	    }
+	}
+
+        // Free modelist
+	XRRFreeScreenConfigInfo( sc );
+
+	if( bestsize != -1 )
+	{
+	    return bestsize;
+	}
+    }
+#elif defined( _GLFW_HAS_XF86VIDMODE )
+    XF86VidModeModeInfo **modelist;
+    int modecount, i, bestmode, bestmatch, match;
+
+    // Use the XF86VidMode extension to control video resolution
+    if( _glfwLibrary.XF86VidMode.Available )
+    {
+        // Get a list of all available display modes
+        XF86VidModeGetAllModeLines( _glfwLibrary.Dpy, screen,
+                                    &modecount, &modelist );
+
+        // Find the best matching mode
+        bestmode  = -1;
+        bestmatch = 999999;
+        for( i = 0; i < modecount; i++ )
+        {
+            match = (*width - modelist[i]->hdisplay) *
+                    (*width - modelist[i]->hdisplay) +
+                    (*height - modelist[i]->vdisplay) *
+                    (*height - modelist[i]->vdisplay);
+            if( match < bestmatch )
+            {
+                bestmatch = match;
+                bestmode  = i;
+            }
+        }
+
+	if( bestmode != -1 )
+	{
+	    // Report width & height of best matching mode
+	    *width = modelist[ bestmode ]->hdisplay;
+	    *h = modelist[ bestmode ]->vdisplay;
+	}
+
+        // Free modelist
+        XFree( modelist );
+
+	if( bestmode != -1 )
+	{
+	    return bestmode;
+	}
+    }
+#endif
+
+    // Default: Simply use the screen resolution
+    *width = DisplayWidth( _glfwLibrary.Dpy, screen );
+    *height = DisplayHeight( _glfwLibrary.Dpy, screen );
+
+    return 0;
+}
+
+
+//========================================================================
+// Change the current video mode
+//========================================================================
+
+void _glfwSetVideoModeMODE( int screen, int mode, int rate )
+{
+#if defined( _GLFW_HAS_XRANDR )
+    XRRScreenConfiguration *sc;
+    Window root;
+
+    if( _glfwLibrary.XRandR.Available )
+    {
+	root = RootWindow( _glfwLibrary.Dpy, screen );
+	sc   = XRRGetScreenInfo( _glfwLibrary.Dpy, root );
+
+        // Remember old size and flag that we have changed the mode
+        if( !_glfwWin.FS.ModeChanged )
+        {
+	    _glfwWin.FS.OldSizeID = XRRConfigCurrentConfiguration( sc, &_glfwWin.FS.OldRotation );
+	    _glfwWin.FS.OldWidth  = DisplayWidth( _glfwLibrary.Dpy, screen );
+	    _glfwWin.FS.OldHeight = DisplayHeight( _glfwLibrary.Dpy, screen );
+
+            _glfwWin.FS.ModeChanged = GL_TRUE;
+        }
+
+	if( rate > 0 )
+	{
+	    // Set desired configuration
+	    XRRSetScreenConfigAndRate( _glfwLibrary.Dpy,
+				       sc,
+				       root,
+				       mode,
+				       RR_Rotate_0,
+				       (short) rate,
+				       CurrentTime );
+	}
+	else
+	{
+	    // Set desired configuration
+	    XRRSetScreenConfig( _glfwLibrary.Dpy,
+				sc,
+				root,
+				mode,
+				RR_Rotate_0,
+				CurrentTime );
+	}
+
+	XRRFreeScreenConfigInfo( sc );
+    }
+#elif defined( _GLFW_HAS_XF86VIDMODE )
+    XF86VidModeModeInfo **modelist;
+    int modecount;
+
+    // Use the XF86VidMode extension to control video resolution
+    if( _glfwLibrary.XF86VidMode.Available )
+    {
+        // Get a list of all available display modes
+        XF86VidModeGetAllModeLines( _glfwLibrary.Dpy, screen,
+                                    &modecount, &modelist );
+
+        // Unlock mode switch if necessary
+        if( _glfwWin.FS.ModeChanged )
+        {
+            XF86VidModeLockModeSwitch( _glfwLibrary.Dpy, screen, 0 );
+        }
+
+        // Change the video mode to the desired mode
+        XF86VidModeSwitchToMode(  _glfwLibrary.Dpy, screen,
+                                  modelist[ mode ] );
+
+        // Set viewport to upper left corner (where our window will be)
+        XF86VidModeSetViewPort( _glfwLibrary.Dpy, screen, 0, 0 );
+
+        // Lock mode switch
+        XF86VidModeLockModeSwitch( _glfwLibrary.Dpy, screen, 1 );
+
+        // Remember old mode and flag that we have changed the mode
+        if( !_glfwWin.FS.ModeChanged )
+        {
+            _glfwWin.FS.OldMode = *modelist[ 0 ];
+            _glfwWin.FS.ModeChanged = GL_TRUE;
+        }
+
+        // Free mode list
+        XFree( modelist );
+    }
+#endif
+}
+
+
+//========================================================================
+// Change the current video mode
+//========================================================================
+
+void _glfwSetVideoMode( int screen, int *width, int *height, int *rate )
+{
+    int     bestmode;
+
+    // Find a best match mode
+    bestmode = _glfwGetClosestVideoMode( screen, width, height, rate );
+
+    // Change mode
+    _glfwSetVideoModeMODE( screen, bestmode, *rate );
+}
+
+
+
+//************************************************************************
+//****               Platform implementation functions                ****
+//************************************************************************
+
+struct _glfwResolution {
+    int width;
+    int height;
+};
+
+//========================================================================
+// List available video modes
+//========================================================================
+
+int _glfwPlatformGetVideoModes( GLFWvidmode *list, int maxcount )
+{
+    int     count, k, l, r, g, b, rgba, gl;
+    int     depth, screen;
+    Display *dpy;
+    XVisualInfo *vislist, dummy;
+    int     viscount, rgbcount, rescount;
+    int     *rgbarray;
+    struct _glfwResolution *resarray;
+#if defined( _GLFW_HAS_XRANDR )
+    XRRScreenConfiguration *sc;
+    XRRScreenSize *sizelist;
+    int     sizecount;
+#elif defined( _GLFW_HAS_XF86VIDMODE )
+    XF86VidModeModeInfo **modelist;
+    int     modecount, width, height;
+#endif
+
+    // Get display and screen
+    dpy = _glfwLibrary.Dpy;
+    screen = DefaultScreen( dpy );
+
+    // Get list of visuals
+    vislist = XGetVisualInfo( dpy, 0, &dummy, &viscount );
+    if( vislist == NULL )
+    {
+	return 0;
+    }
+
+    rgbarray = (int*) malloc( sizeof(int) * viscount );
+    rgbcount = 0;
+
+    // Build RGB array
+    for( k = 0; k < viscount; k++ )
+    {
+        // Does the visual support OpenGL & true color?
+        glXGetConfig( dpy, &vislist[k], GLX_USE_GL, &gl );
+        glXGetConfig( dpy, &vislist[k], GLX_RGBA, &rgba );
+        if( gl && rgba )
+        {
+            // Get color depth for this visual
+            depth = vislist[k].depth;
+
+            // Convert to RGB
+            _glfwBPP2RGB( depth, &r, &g, &b );
+            depth = (r<<16) | (g<<8) | b;
+
+            // Is this mode unique?
+            for( l = 0; l < rgbcount; l++ )
+            {
+                if( depth == rgbarray[ l ] )
+                {
+                    break;
+                }
+            }
+            if( l >= rgbcount )
+            {
+                rgbarray[ rgbcount ] = depth;
+                rgbcount++;
+            }
+        }
+    }
+
+    rescount = 0;
+    resarray = NULL;
+
+    // Build resolution array
+#if defined( _GLFW_HAS_XRANDR )
+    if( _glfwLibrary.XRandR.Available )
+    {
+	sc = XRRGetScreenInfo( dpy, RootWindow( dpy, screen ) );
+	sizelist = XRRConfigSizes( sc, &sizecount );
+
+	resarray = (struct _glfwResolution*) malloc( sizeof(struct _glfwResolution) * sizecount );
+
+        for( k = 0; k < sizecount; k++ )
+        {
+	    resarray[ rescount ].width = sizelist[ k ].width;
+	    resarray[ rescount ].height = sizelist[ k ].height;
+	    rescount++;
+        }
+
+	XRRFreeScreenConfigInfo( sc );
+    }
+#elif defined( _GLFW_HAS_XF86VIDMODE )
+    if( _glfwLibrary.XF86VidMode.Available )
+    {
+        XF86VidModeGetAllModeLines( dpy, screen, &modecount, &modelist );
+
+	resarray = (struct _glfwResolution*) malloc( sizeof(struct _glfwResolution) * modecount );
+
+        for( k = 0; k < modecount; k++ )
+        {
+            width  = modelist[ k ]->hdisplay;
+            height = modelist[ k ]->vdisplay;
+
+            // Is this mode unique?
+            for( l = 0; l < rescount; l++ )
+            {
+                if( width == resarray[ l ].width && height == resarray[ l ].height )
+                {
+                    break;
+                }
+            }
+            if( l >= rescount )
+            {
+                resarray[ rescount ].width = width;
+                resarray[ rescount ].height = height;
+                rescount++;
+            }
+        }
+
+	XFree( modelist );
+    }
+#endif
+
+    if( !resarray )
+    {
+	rescount = 1;
+	resarray = (struct _glfwResolution*) malloc( sizeof(struct _glfwResolution) * rescount );
+
+	resarray[ 0 ].width = DisplayWidth( dpy, screen );
+	resarray[ 0 ].height = DisplayHeight( dpy, screen );
+    }
+
+    // Build permutations of colors and resolutions
+    count = 0;
+    for( k = 0; k < rgbcount && count < maxcount; k++ )
+    {
+        for( l = 0; l < rescount && count < maxcount; l++ )
+        {
+            list[count].Width     = resarray[ l ].width;
+            list[count].Height    = resarray[ l ].height;
+            list[count].RedBits   = (rgbarray[ k ] >> 16) & 255;
+            list[count].GreenBits = (rgbarray[ k ] >> 8) & 255;
+            list[count].BlueBits  = rgbarray[ k ] & 255;
+            count++;
+        }
+    }
+
+    // Free visuals list
+    XFree( vislist );
+
+    free( resarray );
+    free( rgbarray );
+
+    return count;
+}
+
+
+//========================================================================
+// Get the desktop video mode
+//========================================================================
+
+void _glfwPlatformGetDesktopMode( GLFWvidmode *mode )
+{
+    Display *dpy;
+    int     bpp, screen;
+#if defined( _GLFW_HAS_XF86VIDMODE )
+    XF86VidModeModeInfo **modelist;
+    int     modecount;
+#endif
+
+    // Get display and screen
+    dpy = _glfwLibrary.Dpy;
+    screen = DefaultScreen( dpy );
+
+    // Get display depth
+    bpp = DefaultDepth( dpy, screen );
+
+    // Convert BPP to RGB bits
+    _glfwBPP2RGB( bpp, &mode->RedBits, &mode->GreenBits, &mode->BlueBits );
+
+#if defined( _GLFW_HAS_XRANDR )
+    if( _glfwLibrary.XRandR.Available )
+    {
+        if( _glfwWin.FS.ModeChanged )
+        {
+	    mode->Width  = _glfwWin.FS.OldWidth;
+	    mode->Height = _glfwWin.FS.OldHeight;
+	    return;
+	}
+    }
+#elif defined( _GLFW_HAS_XF86VIDMODE )
+    if( _glfwLibrary.XF86VidMode.Available )
+    {
+        if( _glfwWin.FS.ModeChanged )
+        {
+            // The old (desktop) mode is stored in _glfwWin.FS.OldMode
+            mode->Width  = _glfwWin.FS.OldMode.hdisplay;
+            mode->Height = _glfwWin.FS.OldMode.vdisplay;
+        }
+        else
+        {
+            // Use the XF86VidMode extension to get list of video modes
+            XF86VidModeGetAllModeLines( dpy, screen, &modecount,
+                                        &modelist );
+
+            // The first mode in the list is the current (desktio) mode
+            mode->Width  = modelist[ 0 ]->hdisplay;
+            mode->Height = modelist[ 0 ]->vdisplay;
+
+            // Free list
+            XFree( modelist );
+        }
+
+	return;
+    }
+#endif
+
+    // Get current display width and height
+    mode->Width  = DisplayWidth( dpy, screen );
+    mode->Height = DisplayHeight( dpy, screen );
+}
+
diff --git a/src/engine/external/glfw/lib/x11/x11_glext.c b/src/engine/external/glfw/lib/x11/x11_glext.c
new file mode 100644
index 00000000..242c9eb1
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_glext.c
@@ -0,0 +1,69 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_glext.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+//************************************************************************
+//****               Platform implementation functions                ****
+//************************************************************************
+
+//========================================================================
+// Check if an OpenGL extension is available at runtime
+//========================================================================
+
+int _glfwPlatformExtensionSupported( const char *extension )
+{
+    const GLubyte *extensions;
+
+    // Get list of GLX extensions
+    extensions = (const GLubyte*) glXQueryExtensionsString( _glfwLibrary.Dpy,
+                                                            _glfwWin.Scrn );
+    if( extensions != NULL )
+    {
+        if( _glfwStringInExtensionString( extension, extensions ) )
+        {
+            return GL_TRUE;
+        }
+    }
+
+    return GL_FALSE;
+}
+
+
+//========================================================================
+// Get the function pointer to an OpenGL function
+//========================================================================
+
+void * _glfwPlatformGetProcAddress( const char *procname )
+{
+    return (void *) _glfw_glXGetProcAddress( (const GLubyte *) procname );
+}
+
diff --git a/src/engine/external/glfw/lib/x11/x11_init.c b/src/engine/external/glfw/lib/x11/x11_init.c
new file mode 100644
index 00000000..9e406156
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_init.c
@@ -0,0 +1,275 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_init.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+
+//************************************************************************
+//****                  GLFW internal functions                       ****
+//************************************************************************
+
+//========================================================================
+// Initialize GLFW thread package
+//========================================================================
+
+static void _glfwInitThreads( void )
+{
+    // Initialize critical section handle
+#ifdef _GLFW_HAS_PTHREAD
+    (void) pthread_mutex_init( &_glfwThrd.CriticalSection, NULL );
+#endif
+
+    // The first thread (the main thread) has ID 0
+    _glfwThrd.NextID = 0;
+
+    // Fill out information about the main thread (this thread)
+    _glfwThrd.First.ID       = _glfwThrd.NextID++;
+    _glfwThrd.First.Function = NULL;
+    _glfwThrd.First.Previous = NULL;
+    _glfwThrd.First.Next     = NULL;
+#ifdef _GLFW_HAS_PTHREAD
+    _glfwThrd.First.PosixID  = pthread_self();
+#endif
+}
+
+
+//========================================================================
+// Terminate GLFW thread package
+//========================================================================
+
+static void _glfwTerminateThreads( void )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    _GLFWthread *t, *t_next;
+
+    // Enter critical section
+    ENTER_THREAD_CRITICAL_SECTION
+
+    // Kill all threads (NOTE: THE USER SHOULD WAIT FOR ALL THREADS TO
+    // DIE, _BEFORE_ CALLING glfwTerminate()!!!)
+    t = _glfwThrd.First.Next;
+    while( t != NULL )
+    {
+        // Get pointer to next thread
+        t_next = t->Next;
+
+        // Simply murder the process, no mercy!
+        pthread_kill( t->PosixID, SIGKILL );
+
+        // Free memory allocated for this thread
+        free( (void *) t );
+
+        // Select next thread in list
+        t = t_next;
+    }
+
+    // Leave critical section
+    LEAVE_THREAD_CRITICAL_SECTION
+
+    // Delete critical section handle
+    pthread_mutex_destroy( &_glfwThrd.CriticalSection );
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// Dynamically load libraries
+//========================================================================
+
+#ifdef _GLFW_DLOPEN_LIBGL
+static char * _glfw_libGL_name[ ] =
+{
+    "libGL.so",
+    "libGL.so.1",
+    "/usr/lib/libGL.so",
+    "/usr/lib/libGL.so.1",
+    NULL
+};
+#endif
+
+static void _glfwInitLibraries( void )
+{
+#ifdef _GLFW_DLOPEN_LIBGL
+    int i;
+
+    _glfwLibrary.Libs.libGL = NULL;
+    for( i = 0; !_glfw_libGL_name[ i ] != NULL; i ++ )
+    {
+        _glfwLibrary.Libs.libGL = dlopen( _glfw_libGL_name[ i ],
+                                          RTLD_LAZY | RTLD_GLOBAL );
+	if( _glfwLibrary.Libs.libGL )
+	    break;
+    }
+#endif
+}
+
+
+//========================================================================
+// Terminate GLFW when exiting application
+//========================================================================
+
+void _glfwTerminate_atexit( void )
+{
+    glfwTerminate();
+}
+
+
+//========================================================================
+// Initialize X11 display
+//========================================================================
+
+static int _glfwInitDisplay( void )
+{
+    // Open display
+    _glfwLibrary.Dpy = XOpenDisplay( 0 );
+    if( !_glfwLibrary.Dpy )
+    {
+        return GL_FALSE;
+    }
+
+    // Check screens
+    _glfwLibrary.NumScreens = ScreenCount( _glfwLibrary.Dpy );
+    _glfwLibrary.DefaultScreen = DefaultScreen( _glfwLibrary.Dpy );
+
+    // Check for XF86VidMode extension
+#ifdef _GLFW_HAS_XF86VIDMODE
+    _glfwLibrary.XF86VidMode.Available =
+        XF86VidModeQueryExtension( _glfwLibrary.Dpy,
+	                           &_glfwLibrary.XF86VidMode.EventBase,
+	                           &_glfwLibrary.XF86VidMode.ErrorBase);
+#else
+    _glfwLibrary.XF86VidMode.Available = 0;
+#endif
+
+    // Check for XRandR extension
+#ifdef _GLFW_HAS_XRANDR
+    _glfwLibrary.XRandR.Available =
+        XRRQueryExtension( _glfwLibrary.Dpy,
+	                   &_glfwLibrary.XRandR.EventBase,
+			   &_glfwLibrary.XRandR.ErrorBase );
+#else
+    _glfwLibrary.XRandR.Available = 0;
+#endif
+
+     return GL_TRUE;
+}
+
+
+//========================================================================
+// Terminate X11 display
+//========================================================================
+
+static void _glfwTerminateDisplay( void )
+{
+    // Open display
+    if( _glfwLibrary.Dpy )
+    {
+        XCloseDisplay( _glfwLibrary.Dpy );
+        _glfwLibrary.Dpy = NULL;
+    }
+}
+
+
+//************************************************************************
+//****               Platform implementation functions                ****
+//************************************************************************
+
+//========================================================================
+// Initialize various GLFW state
+//========================================================================
+
+int _glfwPlatformInit( void )
+{
+    // Initialize display
+    if( !_glfwInitDisplay() )
+    {
+        return GL_FALSE;
+    }
+
+    // Initialize thread package
+    _glfwInitThreads();
+
+    // Try to load libGL.so if necessary
+    _glfwInitLibraries();
+
+    // Install atexit() routine
+    atexit( _glfwTerminate_atexit );
+
+    // Initialize joysticks
+    _glfwInitJoysticks();
+
+    // Start the timer
+    _glfwInitTimer();
+
+    return GL_TRUE;
+}
+
+
+//========================================================================
+// Close window and kill all threads
+//========================================================================
+
+int _glfwPlatformTerminate( void )
+{
+#ifdef _GLFW_HAS_PTHREAD
+    // Only the main thread is allowed to do this...
+    if( pthread_self() != _glfwThrd.First.PosixID )
+    {
+        return GL_FALSE;
+    }
+#endif // _GLFW_HAS_PTHREAD
+
+    // Close OpenGL window
+    glfwCloseWindow();
+
+    // Kill thread package
+    _glfwTerminateThreads();
+
+    // Terminate display
+    _glfwTerminateDisplay();
+
+    // Terminate joysticks
+    _glfwTerminateJoysticks();
+
+    // Unload libGL.so if necessary
+#ifdef _GLFW_DLOPEN_LIBGL
+    if( _glfwLibrary.Libs.libGL != NULL )
+    {
+        dlclose( _glfwLibrary.Libs.libGL );
+        _glfwLibrary.Libs.libGL = NULL;
+    }
+#endif
+
+    return GL_TRUE;
+}
+
diff --git a/src/engine/external/glfw/lib/x11/x11_joystick.c b/src/engine/external/glfw/lib/x11/x11_joystick.c
new file mode 100644
index 00000000..26d67d8c
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_joystick.c
@@ -0,0 +1,371 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_joystick.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+//========================================================================
+// Note: Only Linux joystick input is supported at the moment. Other
+// systems will behave as if there are no joysticks connected.
+//========================================================================
+
+#ifdef linux
+#define _GLFW_USE_LINUX_JOYSTICKS
+#endif // linux
+
+
+
+//************************************************************************
+//****                  GLFW internal functions                       ****
+//************************************************************************
+
+#ifdef _GLFW_USE_LINUX_JOYSTICKS
+
+//------------------------------------------------------------------------
+// Here are the Linux joystick driver v1.x interface definitions that we
+// use (we do not want to rely on <linux/joystick.h>):
+//------------------------------------------------------------------------
+
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <errno.h>
+
+// Joystick event types
+#define JS_EVENT_BUTTON     0x01    /* button pressed/released */
+#define JS_EVENT_AXIS       0x02    /* joystick moved */
+#define JS_EVENT_INIT       0x80    /* initial state of device */
+
+// Joystick event structure
+struct js_event {
+    unsigned int  time;    /* (u32) event timestamp in milliseconds */
+    signed short  value;   /* (s16) value */
+    unsigned char type;    /* (u8)  event type */
+    unsigned char number;  /* (u8)  axis/button number */
+};
+
+// Joystick IOCTL commands
+#define JSIOCGVERSION  _IOR('j', 0x01, int)   /* get driver version (u32) */
+#define JSIOCGAXES     _IOR('j', 0x11, char)  /* get number of axes (u8) */
+#define JSIOCGBUTTONS  _IOR('j', 0x12, char)  /* get number of buttons (u8) */
+
+#endif // _GLFW_USE_LINUX_JOYSTICKS
+
+
+//========================================================================
+// _glfwInitJoysticks() - Initialize joystick interface
+//========================================================================
+
+void _glfwInitJoysticks( void )
+{
+#ifdef _GLFW_USE_LINUX_JOYSTICKS
+    int  k, n, fd, joy_count;
+    char *joy_base_name, joy_dev_name[ 20 ];
+    int  driver_version = 0x000800;
+    char ret_data;
+#endif // _GLFW_USE_LINUX_JOYSTICKS
+    int  i;
+
+    // Start by saying that there are no sticks
+    for( i = 0; i <= GLFW_JOYSTICK_LAST; ++ i )
+    {
+        _glfwJoy[ i ].Present = GL_FALSE;
+    }
+
+#ifdef _GLFW_USE_LINUX_JOYSTICKS
+
+    // Try to open joysticks (nonblocking)
+    joy_count = 0;
+    for( k = 0; k <= 1 && joy_count <= GLFW_JOYSTICK_LAST; ++ k )
+    {
+        // Pick joystick base name
+        switch( k )
+        {
+        case 0:
+            joy_base_name = "/dev/input/js";  // USB sticks
+            break;
+        case 1:
+            joy_base_name = "/dev/js";        // "Legacy" sticks
+            break;
+        default:
+            continue;                         // (should never happen)
+        }
+
+        // Try to open a few of these sticks
+        for( i = 0; i <= 50 && joy_count <= GLFW_JOYSTICK_LAST; ++ i )
+        {
+            sprintf( joy_dev_name, "%s%d", joy_base_name, i );
+            fd = open( joy_dev_name, O_NONBLOCK );
+            if( fd != -1 )
+            {
+                // Remember fd
+                _glfwJoy[ joy_count ].fd = fd;
+    
+                // Check that the joystick driver version is 1.0+
+                ioctl( fd, JSIOCGVERSION, &driver_version );
+                if( driver_version < 0x010000 )
+                {
+                    // It's an old 0.x interface (we don't support it)
+                    close( fd );
+                    continue;
+                }
+    
+                // Get number of joystick axes
+                ioctl( fd, JSIOCGAXES, &ret_data );
+                _glfwJoy[ joy_count ].NumAxes = (int) ret_data;
+    
+                // Get number of joystick buttons
+                ioctl( fd, JSIOCGBUTTONS, &ret_data );
+                _glfwJoy[ joy_count ].NumButtons = (int) ret_data;
+    
+                // Allocate memory for joystick state
+                _glfwJoy[ joy_count ].Axis =
+                    (float *) malloc( sizeof(float) *
+                                      _glfwJoy[ joy_count ].NumAxes );
+                if( _glfwJoy[ joy_count ].Axis == NULL )
+                {
+                    close( fd );
+                    continue;
+                }
+                _glfwJoy[ joy_count ].Button =
+                    (char *) malloc( sizeof(char) *
+                                     _glfwJoy[ joy_count ].NumButtons );
+                if( _glfwJoy[ joy_count ].Button == NULL )
+                {
+                    free( _glfwJoy[ joy_count ].Axis );
+                    close( fd );
+                    continue;
+                }
+
+                // Clear joystick state
+                for( n = 0; n < _glfwJoy[ joy_count ].NumAxes; ++ n )
+                {
+                    _glfwJoy[ joy_count ].Axis[ n ] = 0.0f;
+                }
+                for( n = 0; n < _glfwJoy[ joy_count ].NumButtons; ++ n )
+                {
+                    _glfwJoy[ joy_count ].Button[ n ] = GLFW_RELEASE;
+                }
+    
+                // The joystick is supported and connected
+                _glfwJoy[ joy_count ].Present = GL_TRUE;
+                joy_count ++;
+            }
+        }
+    }
+
+#endif // _GLFW_USE_LINUX_JOYSTICKS
+
+}
+
+
+//========================================================================
+// _glfwTerminateJoysticks() - Close all opened joystick handles
+//========================================================================
+
+void _glfwTerminateJoysticks( void )
+{
+
+#ifdef _GLFW_USE_LINUX_JOYSTICKS
+
+    int i;
+
+    // Close any opened joysticks
+    for( i = 0; i <= GLFW_JOYSTICK_LAST; ++ i )
+    {
+        if( _glfwJoy[ i ].Present )
+        {
+            close( _glfwJoy[ i ].fd );
+            free( _glfwJoy[ i ].Axis );
+            free( _glfwJoy[ i ].Button );
+            _glfwJoy[ i ].Present = GL_FALSE;
+        }
+    }
+
+#endif // _GLFW_USE_LINUX_JOYSTICKS
+
+}
+
+
+//========================================================================
+// _glfwPollJoystickEvents() - Empty joystick event queue
+//========================================================================
+
+static void _glfwPollJoystickEvents( void )
+{
+
+#ifdef _GLFW_USE_LINUX_JOYSTICKS
+
+    struct js_event e;
+    int    i;
+
+    // Get joystick events for all GLFW joysticks
+    for( i = 0; i <= GLFW_JOYSTICK_LAST; ++ i )
+    {
+        // Is the stick present?
+        if( _glfwJoy[ i ].Present )
+        {
+            // Read all queued events (non-blocking)
+            while( read(_glfwJoy[i].fd, &e, sizeof(struct js_event)) > 0 )
+            {
+                // We don't care if it's an init event or not
+                e.type &= ~JS_EVENT_INIT;
+
+                // Check event type
+                switch( e.type )
+                {
+                case JS_EVENT_AXIS:
+                    _glfwJoy[ i ].Axis[ e.number ] = (float) e.value /
+                                                             32767.0f;
+                    // We need to change the sign for the Y axes, so that
+                    // positive = up/forward, according to the GLFW spec.
+                    if( e.number & 1 )
+                    {
+                        _glfwJoy[ i ].Axis[ e.number ] =
+                            -_glfwJoy[ i ].Axis[ e.number ];
+                    }
+                    break;
+
+                case JS_EVENT_BUTTON:
+                    _glfwJoy[ i ].Button[ e.number ] =
+                        e.value ? GLFW_PRESS : GLFW_RELEASE;
+                    break;
+
+                default:
+                    break;
+                }
+            }
+        }
+    }
+
+#endif // _GLFW_USE_LINUX_JOYSTICKS
+
+}
+
+
+//************************************************************************
+//****               Platform implementation functions                ****
+//************************************************************************
+
+//========================================================================
+// _glfwPlatformGetJoystickParam() - Determine joystick capabilities
+//========================================================================
+
+int _glfwPlatformGetJoystickParam( int joy, int param )
+{
+    // Is joystick present?
+    if( !_glfwJoy[ joy ].Present )
+    {
+        return 0;
+    }
+
+    switch( param )
+    {
+    case GLFW_PRESENT:
+        return GL_TRUE;
+
+    case GLFW_AXES:
+        return _glfwJoy[ joy ].NumAxes;
+
+    case GLFW_BUTTONS:
+        return _glfwJoy[ joy ].NumButtons;
+
+    default:
+        break;
+    }
+
+    return 0;
+}
+
+
+//========================================================================
+// _glfwPlatformGetJoystickPos() - Get joystick axis positions
+//========================================================================
+
+int _glfwPlatformGetJoystickPos( int joy, float *pos, int numaxes )
+{
+    int       i;
+
+    // Is joystick present?
+    if( !_glfwJoy[ joy ].Present )
+    {
+        return 0;
+    }
+
+    // Update joystick state
+    _glfwPollJoystickEvents();
+
+    // Does the joystick support less axes than requested?
+    if( _glfwJoy[ joy ].NumAxes < numaxes )
+    {
+        numaxes = _glfwJoy[ joy ].NumAxes;
+    }
+
+    // Copy axis positions from internal state
+    for( i = 0; i < numaxes; ++ i )
+    {
+        pos[ i ] = _glfwJoy[ joy ].Axis[ i ];
+    }
+
+    return numaxes;
+}
+
+
+//========================================================================
+// _glfwPlatformGetJoystickButtons() - Get joystick button states
+//========================================================================
+
+int _glfwPlatformGetJoystickButtons( int joy, unsigned char *buttons,
+    int numbuttons )
+{
+    int       i;
+
+    // Is joystick present?
+    if( !_glfwJoy[ joy ].Present )
+    {
+        return 0;
+    }
+
+    // Update joystick state
+    _glfwPollJoystickEvents();
+
+    // Does the joystick support less buttons than requested?
+    if( _glfwJoy[ joy ].NumButtons < numbuttons )
+    {
+        numbuttons = _glfwJoy[ joy ].NumButtons;
+    }
+
+    // Copy button states from internal state
+    for( i = 0; i < numbuttons; ++ i )
+    {
+        buttons[ i ] = _glfwJoy[ joy ].Button[ i ];
+    }
+
+    return numbuttons;
+}
diff --git a/src/engine/external/glfw/lib/x11/x11_keysym2unicode.c b/src/engine/external/glfw/lib/x11/x11_keysym2unicode.c
new file mode 100644
index 00000000..6a308734
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_keysym2unicode.c
@@ -0,0 +1,902 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_keysym2unicode.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+/*
+ * Marcus: This code was originally written by Markus G. Kuhn.
+ * I have made some slight changes (trimmed it down a bit from >60 KB to
+ * 20 KB), but the functionality is the same.
+ */
+
+/*
+ * This module converts keysym values into the corresponding ISO 10646
+ * (UCS, Unicode) values.
+ *
+ * The array keysymtab[] contains pairs of X11 keysym values for graphical
+ * characters and the corresponding Unicode value. The function
+ * _glfwKeySym2Unicode() maps a keysym onto a Unicode value using a binary
+ * search, therefore keysymtab[] must remain SORTED by keysym value.
+ *
+ * We allow to represent any UCS character in the range U-00000000 to
+ * U-00FFFFFF by a keysym value in the range 0x01000000 to 0x01ffffff.
+ * This admittedly does not cover the entire 31-bit space of UCS, but
+ * it does cover all of the characters up to U-10FFFF, which can be
+ * represented by UTF-16, and more, and it is very unlikely that higher
+ * UCS codes will ever be assigned by ISO. So to get Unicode character
+ * U+ABCD you can directly use keysym 0x0100abcd.
+ *
+ * Original author: Markus G. Kuhn <mkuhn@acm.org>, University of
+ *                  Cambridge, April 2001
+ *
+ * Special thanks to Richard Verhoeven <river@win.tue.nl> for preparing
+ * an initial draft of the mapping table.
+ *
+ */
+
+
+//************************************************************************
+//****                KeySym to Unicode mapping table                 ****
+//************************************************************************
+
+static struct codepair {
+  unsigned short keysym;
+  unsigned short ucs;
+} keysymtab[] = {
+  { 0x01a1, 0x0104 },
+  { 0x01a2, 0x02d8 },
+  { 0x01a3, 0x0141 },
+  { 0x01a5, 0x013d },
+  { 0x01a6, 0x015a },
+  { 0x01a9, 0x0160 },
+  { 0x01aa, 0x015e },
+  { 0x01ab, 0x0164 },
+  { 0x01ac, 0x0179 },
+  { 0x01ae, 0x017d },
+  { 0x01af, 0x017b },
+  { 0x01b1, 0x0105 },
+  { 0x01b2, 0x02db },
+  { 0x01b3, 0x0142 },
+  { 0x01b5, 0x013e },
+  { 0x01b6, 0x015b },
+  { 0x01b7, 0x02c7 },
+  { 0x01b9, 0x0161 },
+  { 0x01ba, 0x015f },
+  { 0x01bb, 0x0165 },
+  { 0x01bc, 0x017a },
+  { 0x01bd, 0x02dd },
+  { 0x01be, 0x017e },
+  { 0x01bf, 0x017c },
+  { 0x01c0, 0x0154 },
+  { 0x01c3, 0x0102 },
+  { 0x01c5, 0x0139 },
+  { 0x01c6, 0x0106 },
+  { 0x01c8, 0x010c },
+  { 0x01ca, 0x0118 },
+  { 0x01cc, 0x011a },
+  { 0x01cf, 0x010e },
+  { 0x01d0, 0x0110 },
+  { 0x01d1, 0x0143 },
+  { 0x01d2, 0x0147 },
+  { 0x01d5, 0x0150 },
+  { 0x01d8, 0x0158 },
+  { 0x01d9, 0x016e },
+  { 0x01db, 0x0170 },
+  { 0x01de, 0x0162 },
+  { 0x01e0, 0x0155 },
+  { 0x01e3, 0x0103 },
+  { 0x01e5, 0x013a },
+  { 0x01e6, 0x0107 },
+  { 0x01e8, 0x010d },
+  { 0x01ea, 0x0119 },
+  { 0x01ec, 0x011b },
+  { 0x01ef, 0x010f },
+  { 0x01f0, 0x0111 },
+  { 0x01f1, 0x0144 },
+  { 0x01f2, 0x0148 },
+  { 0x01f5, 0x0151 },
+  { 0x01f8, 0x0159 },
+  { 0x01f9, 0x016f },
+  { 0x01fb, 0x0171 },
+  { 0x01fe, 0x0163 },
+  { 0x01ff, 0x02d9 },
+  { 0x02a1, 0x0126 },
+  { 0x02a6, 0x0124 },
+  { 0x02a9, 0x0130 },
+  { 0x02ab, 0x011e },
+  { 0x02ac, 0x0134 },
+  { 0x02b1, 0x0127 },
+  { 0x02b6, 0x0125 },
+  { 0x02b9, 0x0131 },
+  { 0x02bb, 0x011f },
+  { 0x02bc, 0x0135 },
+  { 0x02c5, 0x010a },
+  { 0x02c6, 0x0108 },
+  { 0x02d5, 0x0120 },
+  { 0x02d8, 0x011c },
+  { 0x02dd, 0x016c },
+  { 0x02de, 0x015c },
+  { 0x02e5, 0x010b },
+  { 0x02e6, 0x0109 },
+  { 0x02f5, 0x0121 },
+  { 0x02f8, 0x011d },
+  { 0x02fd, 0x016d },
+  { 0x02fe, 0x015d },
+  { 0x03a2, 0x0138 },
+  { 0x03a3, 0x0156 },
+  { 0x03a5, 0x0128 },
+  { 0x03a6, 0x013b },
+  { 0x03aa, 0x0112 },
+  { 0x03ab, 0x0122 },
+  { 0x03ac, 0x0166 },
+  { 0x03b3, 0x0157 },
+  { 0x03b5, 0x0129 },
+  { 0x03b6, 0x013c },
+  { 0x03ba, 0x0113 },
+  { 0x03bb, 0x0123 },
+  { 0x03bc, 0x0167 },
+  { 0x03bd, 0x014a },
+  { 0x03bf, 0x014b },
+  { 0x03c0, 0x0100 },
+  { 0x03c7, 0x012e },
+  { 0x03cc, 0x0116 },
+  { 0x03cf, 0x012a },
+  { 0x03d1, 0x0145 },
+  { 0x03d2, 0x014c },
+  { 0x03d3, 0x0136 },
+  { 0x03d9, 0x0172 },
+  { 0x03dd, 0x0168 },
+  { 0x03de, 0x016a },
+  { 0x03e0, 0x0101 },
+  { 0x03e7, 0x012f },
+  { 0x03ec, 0x0117 },
+  { 0x03ef, 0x012b },
+  { 0x03f1, 0x0146 },
+  { 0x03f2, 0x014d },
+  { 0x03f3, 0x0137 },
+  { 0x03f9, 0x0173 },
+  { 0x03fd, 0x0169 },
+  { 0x03fe, 0x016b },
+  { 0x047e, 0x203e },
+  { 0x04a1, 0x3002 },
+  { 0x04a2, 0x300c },
+  { 0x04a3, 0x300d },
+  { 0x04a4, 0x3001 },
+  { 0x04a5, 0x30fb },
+  { 0x04a6, 0x30f2 },
+  { 0x04a7, 0x30a1 },
+  { 0x04a8, 0x30a3 },
+  { 0x04a9, 0x30a5 },
+  { 0x04aa, 0x30a7 },
+  { 0x04ab, 0x30a9 },
+  { 0x04ac, 0x30e3 },
+  { 0x04ad, 0x30e5 },
+  { 0x04ae, 0x30e7 },
+  { 0x04af, 0x30c3 },
+  { 0x04b0, 0x30fc },
+  { 0x04b1, 0x30a2 },
+  { 0x04b2, 0x30a4 },
+  { 0x04b3, 0x30a6 },
+  { 0x04b4, 0x30a8 },
+  { 0x04b5, 0x30aa },
+  { 0x04b6, 0x30ab },
+  { 0x04b7, 0x30ad },
+  { 0x04b8, 0x30af },
+  { 0x04b9, 0x30b1 },
+  { 0x04ba, 0x30b3 },
+  { 0x04bb, 0x30b5 },
+  { 0x04bc, 0x30b7 },
+  { 0x04bd, 0x30b9 },
+  { 0x04be, 0x30bb },
+  { 0x04bf, 0x30bd },
+  { 0x04c0, 0x30bf },
+  { 0x04c1, 0x30c1 },
+  { 0x04c2, 0x30c4 },
+  { 0x04c3, 0x30c6 },
+  { 0x04c4, 0x30c8 },
+  { 0x04c5, 0x30ca },
+  { 0x04c6, 0x30cb },
+  { 0x04c7, 0x30cc },
+  { 0x04c8, 0x30cd },
+  { 0x04c9, 0x30ce },
+  { 0x04ca, 0x30cf },
+  { 0x04cb, 0x30d2 },
+  { 0x04cc, 0x30d5 },
+  { 0x04cd, 0x30d8 },
+  { 0x04ce, 0x30db },
+  { 0x04cf, 0x30de },
+  { 0x04d0, 0x30df },
+  { 0x04d1, 0x30e0 },
+  { 0x04d2, 0x30e1 },
+  { 0x04d3, 0x30e2 },
+  { 0x04d4, 0x30e4 },
+  { 0x04d5, 0x30e6 },
+  { 0x04d6, 0x30e8 },
+  { 0x04d7, 0x30e9 },
+  { 0x04d8, 0x30ea },
+  { 0x04d9, 0x30eb },
+  { 0x04da, 0x30ec },
+  { 0x04db, 0x30ed },
+  { 0x04dc, 0x30ef },
+  { 0x04dd, 0x30f3 },
+  { 0x04de, 0x309b },
+  { 0x04df, 0x309c },
+  { 0x05ac, 0x060c },
+  { 0x05bb, 0x061b },
+  { 0x05bf, 0x061f },
+  { 0x05c1, 0x0621 },
+  { 0x05c2, 0x0622 },
+  { 0x05c3, 0x0623 },
+  { 0x05c4, 0x0624 },
+  { 0x05c5, 0x0625 },
+  { 0x05c6, 0x0626 },
+  { 0x05c7, 0x0627 },
+  { 0x05c8, 0x0628 },
+  { 0x05c9, 0x0629 },
+  { 0x05ca, 0x062a },
+  { 0x05cb, 0x062b },
+  { 0x05cc, 0x062c },
+  { 0x05cd, 0x062d },
+  { 0x05ce, 0x062e },
+  { 0x05cf, 0x062f },
+  { 0x05d0, 0x0630 },
+  { 0x05d1, 0x0631 },
+  { 0x05d2, 0x0632 },
+  { 0x05d3, 0x0633 },
+  { 0x05d4, 0x0634 },
+  { 0x05d5, 0x0635 },
+  { 0x05d6, 0x0636 },
+  { 0x05d7, 0x0637 },
+  { 0x05d8, 0x0638 },
+  { 0x05d9, 0x0639 },
+  { 0x05da, 0x063a },
+  { 0x05e0, 0x0640 },
+  { 0x05e1, 0x0641 },
+  { 0x05e2, 0x0642 },
+  { 0x05e3, 0x0643 },
+  { 0x05e4, 0x0644 },
+  { 0x05e5, 0x0645 },
+  { 0x05e6, 0x0646 },
+  { 0x05e7, 0x0647 },
+  { 0x05e8, 0x0648 },
+  { 0x05e9, 0x0649 },
+  { 0x05ea, 0x064a },
+  { 0x05eb, 0x064b },
+  { 0x05ec, 0x064c },
+  { 0x05ed, 0x064d },
+  { 0x05ee, 0x064e },
+  { 0x05ef, 0x064f },
+  { 0x05f0, 0x0650 },
+  { 0x05f1, 0x0651 },
+  { 0x05f2, 0x0652 },
+  { 0x06a1, 0x0452 },
+  { 0x06a2, 0x0453 },
+  { 0x06a3, 0x0451 },
+  { 0x06a4, 0x0454 },
+  { 0x06a5, 0x0455 },
+  { 0x06a6, 0x0456 },
+  { 0x06a7, 0x0457 },
+  { 0x06a8, 0x0458 },
+  { 0x06a9, 0x0459 },
+  { 0x06aa, 0x045a },
+  { 0x06ab, 0x045b },
+  { 0x06ac, 0x045c },
+  { 0x06ae, 0x045e },
+  { 0x06af, 0x045f },
+  { 0x06b0, 0x2116 },
+  { 0x06b1, 0x0402 },
+  { 0x06b2, 0x0403 },
+  { 0x06b3, 0x0401 },
+  { 0x06b4, 0x0404 },
+  { 0x06b5, 0x0405 },
+  { 0x06b6, 0x0406 },
+  { 0x06b7, 0x0407 },
+  { 0x06b8, 0x0408 },
+  { 0x06b9, 0x0409 },
+  { 0x06ba, 0x040a },
+  { 0x06bb, 0x040b },
+  { 0x06bc, 0x040c },
+  { 0x06be, 0x040e },
+  { 0x06bf, 0x040f },
+  { 0x06c0, 0x044e },
+  { 0x06c1, 0x0430 },
+  { 0x06c2, 0x0431 },
+  { 0x06c3, 0x0446 },
+  { 0x06c4, 0x0434 },
+  { 0x06c5, 0x0435 },
+  { 0x06c6, 0x0444 },
+  { 0x06c7, 0x0433 },
+  { 0x06c8, 0x0445 },
+  { 0x06c9, 0x0438 },
+  { 0x06ca, 0x0439 },
+  { 0x06cb, 0x043a },
+  { 0x06cc, 0x043b },
+  { 0x06cd, 0x043c },
+  { 0x06ce, 0x043d },
+  { 0x06cf, 0x043e },
+  { 0x06d0, 0x043f },
+  { 0x06d1, 0x044f },
+  { 0x06d2, 0x0440 },
+  { 0x06d3, 0x0441 },
+  { 0x06d4, 0x0442 },
+  { 0x06d5, 0x0443 },
+  { 0x06d6, 0x0436 },
+  { 0x06d7, 0x0432 },
+  { 0x06d8, 0x044c },
+  { 0x06d9, 0x044b },
+  { 0x06da, 0x0437 },
+  { 0x06db, 0x0448 },
+  { 0x06dc, 0x044d },
+  { 0x06dd, 0x0449 },
+  { 0x06de, 0x0447 },
+  { 0x06df, 0x044a },
+  { 0x06e0, 0x042e },
+  { 0x06e1, 0x0410 },
+  { 0x06e2, 0x0411 },
+  { 0x06e3, 0x0426 },
+  { 0x06e4, 0x0414 },
+  { 0x06e5, 0x0415 },
+  { 0x06e6, 0x0424 },
+  { 0x06e7, 0x0413 },
+  { 0x06e8, 0x0425 },
+  { 0x06e9, 0x0418 },
+  { 0x06ea, 0x0419 },
+  { 0x06eb, 0x041a },
+  { 0x06ec, 0x041b },
+  { 0x06ed, 0x041c },
+  { 0x06ee, 0x041d },
+  { 0x06ef, 0x041e },
+  { 0x06f0, 0x041f },
+  { 0x06f1, 0x042f },
+  { 0x06f2, 0x0420 },
+  { 0x06f3, 0x0421 },
+  { 0x06f4, 0x0422 },
+  { 0x06f5, 0x0423 },
+  { 0x06f6, 0x0416 },
+  { 0x06f7, 0x0412 },
+  { 0x06f8, 0x042c },
+  { 0x06f9, 0x042b },
+  { 0x06fa, 0x0417 },
+  { 0x06fb, 0x0428 },
+  { 0x06fc, 0x042d },
+  { 0x06fd, 0x0429 },
+  { 0x06fe, 0x0427 },
+  { 0x06ff, 0x042a },
+  { 0x07a1, 0x0386 },
+  { 0x07a2, 0x0388 },
+  { 0x07a3, 0x0389 },
+  { 0x07a4, 0x038a },
+  { 0x07a5, 0x03aa },
+  { 0x07a7, 0x038c },
+  { 0x07a8, 0x038e },
+  { 0x07a9, 0x03ab },
+  { 0x07ab, 0x038f },
+  { 0x07ae, 0x0385 },
+  { 0x07af, 0x2015 },
+  { 0x07b1, 0x03ac },
+  { 0x07b2, 0x03ad },
+  { 0x07b3, 0x03ae },
+  { 0x07b4, 0x03af },
+  { 0x07b5, 0x03ca },
+  { 0x07b6, 0x0390 },
+  { 0x07b7, 0x03cc },
+  { 0x07b8, 0x03cd },
+  { 0x07b9, 0x03cb },
+  { 0x07ba, 0x03b0 },
+  { 0x07bb, 0x03ce },
+  { 0x07c1, 0x0391 },
+  { 0x07c2, 0x0392 },
+  { 0x07c3, 0x0393 },
+  { 0x07c4, 0x0394 },
+  { 0x07c5, 0x0395 },
+  { 0x07c6, 0x0396 },
+  { 0x07c7, 0x0397 },
+  { 0x07c8, 0x0398 },
+  { 0x07c9, 0x0399 },
+  { 0x07ca, 0x039a },
+  { 0x07cb, 0x039b },
+  { 0x07cc, 0x039c },
+  { 0x07cd, 0x039d },
+  { 0x07ce, 0x039e },
+  { 0x07cf, 0x039f },
+  { 0x07d0, 0x03a0 },
+  { 0x07d1, 0x03a1 },
+  { 0x07d2, 0x03a3 },
+  { 0x07d4, 0x03a4 },
+  { 0x07d5, 0x03a5 },
+  { 0x07d6, 0x03a6 },
+  { 0x07d7, 0x03a7 },
+  { 0x07d8, 0x03a8 },
+  { 0x07d9, 0x03a9 },
+  { 0x07e1, 0x03b1 },
+  { 0x07e2, 0x03b2 },
+  { 0x07e3, 0x03b3 },
+  { 0x07e4, 0x03b4 },
+  { 0x07e5, 0x03b5 },
+  { 0x07e6, 0x03b6 },
+  { 0x07e7, 0x03b7 },
+  { 0x07e8, 0x03b8 },
+  { 0x07e9, 0x03b9 },
+  { 0x07ea, 0x03ba },
+  { 0x07eb, 0x03bb },
+  { 0x07ec, 0x03bc },
+  { 0x07ed, 0x03bd },
+  { 0x07ee, 0x03be },
+  { 0x07ef, 0x03bf },
+  { 0x07f0, 0x03c0 },
+  { 0x07f1, 0x03c1 },
+  { 0x07f2, 0x03c3 },
+  { 0x07f3, 0x03c2 },
+  { 0x07f4, 0x03c4 },
+  { 0x07f5, 0x03c5 },
+  { 0x07f6, 0x03c6 },
+  { 0x07f7, 0x03c7 },
+  { 0x07f8, 0x03c8 },
+  { 0x07f9, 0x03c9 },
+  { 0x08a1, 0x23b7 },
+  { 0x08a2, 0x250c },
+  { 0x08a3, 0x2500 },
+  { 0x08a4, 0x2320 },
+  { 0x08a5, 0x2321 },
+  { 0x08a6, 0x2502 },
+  { 0x08a7, 0x23a1 },
+  { 0x08a8, 0x23a3 },
+  { 0x08a9, 0x23a4 },
+  { 0x08aa, 0x23a6 },
+  { 0x08ab, 0x239b },
+  { 0x08ac, 0x239d },
+  { 0x08ad, 0x239e },
+  { 0x08ae, 0x23a0 },
+  { 0x08af, 0x23a8 },
+  { 0x08b0, 0x23ac },
+  { 0x08bc, 0x2264 },
+  { 0x08bd, 0x2260 },
+  { 0x08be, 0x2265 },
+  { 0x08bf, 0x222b },
+  { 0x08c0, 0x2234 },
+  { 0x08c1, 0x221d },
+  { 0x08c2, 0x221e },
+  { 0x08c5, 0x2207 },
+  { 0x08c8, 0x223c },
+  { 0x08c9, 0x2243 },
+  { 0x08cd, 0x21d4 },
+  { 0x08ce, 0x21d2 },
+  { 0x08cf, 0x2261 },
+  { 0x08d6, 0x221a },
+  { 0x08da, 0x2282 },
+  { 0x08db, 0x2283 },
+  { 0x08dc, 0x2229 },
+  { 0x08dd, 0x222a },
+  { 0x08de, 0x2227 },
+  { 0x08df, 0x2228 },
+  { 0x08ef, 0x2202 },
+  { 0x08f6, 0x0192 },
+  { 0x08fb, 0x2190 },
+  { 0x08fc, 0x2191 },
+  { 0x08fd, 0x2192 },
+  { 0x08fe, 0x2193 },
+  { 0x09e0, 0x25c6 },
+  { 0x09e1, 0x2592 },
+  { 0x09e2, 0x2409 },
+  { 0x09e3, 0x240c },
+  { 0x09e4, 0x240d },
+  { 0x09e5, 0x240a },
+  { 0x09e8, 0x2424 },
+  { 0x09e9, 0x240b },
+  { 0x09ea, 0x2518 },
+  { 0x09eb, 0x2510 },
+  { 0x09ec, 0x250c },
+  { 0x09ed, 0x2514 },
+  { 0x09ee, 0x253c },
+  { 0x09ef, 0x23ba },
+  { 0x09f0, 0x23bb },
+  { 0x09f1, 0x2500 },
+  { 0x09f2, 0x23bc },
+  { 0x09f3, 0x23bd },
+  { 0x09f4, 0x251c },
+  { 0x09f5, 0x2524 },
+  { 0x09f6, 0x2534 },
+  { 0x09f7, 0x252c },
+  { 0x09f8, 0x2502 },
+  { 0x0aa1, 0x2003 },
+  { 0x0aa2, 0x2002 },
+  { 0x0aa3, 0x2004 },
+  { 0x0aa4, 0x2005 },
+  { 0x0aa5, 0x2007 },
+  { 0x0aa6, 0x2008 },
+  { 0x0aa7, 0x2009 },
+  { 0x0aa8, 0x200a },
+  { 0x0aa9, 0x2014 },
+  { 0x0aaa, 0x2013 },
+  { 0x0aae, 0x2026 },
+  { 0x0aaf, 0x2025 },
+  { 0x0ab0, 0x2153 },
+  { 0x0ab1, 0x2154 },
+  { 0x0ab2, 0x2155 },
+  { 0x0ab3, 0x2156 },
+  { 0x0ab4, 0x2157 },
+  { 0x0ab5, 0x2158 },
+  { 0x0ab6, 0x2159 },
+  { 0x0ab7, 0x215a },
+  { 0x0ab8, 0x2105 },
+  { 0x0abb, 0x2012 },
+  { 0x0abc, 0x2329 },
+  { 0x0abe, 0x232a },
+  { 0x0ac3, 0x215b },
+  { 0x0ac4, 0x215c },
+  { 0x0ac5, 0x215d },
+  { 0x0ac6, 0x215e },
+  { 0x0ac9, 0x2122 },
+  { 0x0aca, 0x2613 },
+  { 0x0acc, 0x25c1 },
+  { 0x0acd, 0x25b7 },
+  { 0x0ace, 0x25cb },
+  { 0x0acf, 0x25af },
+  { 0x0ad0, 0x2018 },
+  { 0x0ad1, 0x2019 },
+  { 0x0ad2, 0x201c },
+  { 0x0ad3, 0x201d },
+  { 0x0ad4, 0x211e },
+  { 0x0ad6, 0x2032 },
+  { 0x0ad7, 0x2033 },
+  { 0x0ad9, 0x271d },
+  { 0x0adb, 0x25ac },
+  { 0x0adc, 0x25c0 },
+  { 0x0add, 0x25b6 },
+  { 0x0ade, 0x25cf },
+  { 0x0adf, 0x25ae },
+  { 0x0ae0, 0x25e6 },
+  { 0x0ae1, 0x25ab },
+  { 0x0ae2, 0x25ad },
+  { 0x0ae3, 0x25b3 },
+  { 0x0ae4, 0x25bd },
+  { 0x0ae5, 0x2606 },
+  { 0x0ae6, 0x2022 },
+  { 0x0ae7, 0x25aa },
+  { 0x0ae8, 0x25b2 },
+  { 0x0ae9, 0x25bc },
+  { 0x0aea, 0x261c },
+  { 0x0aeb, 0x261e },
+  { 0x0aec, 0x2663 },
+  { 0x0aed, 0x2666 },
+  { 0x0aee, 0x2665 },
+  { 0x0af0, 0x2720 },
+  { 0x0af1, 0x2020 },
+  { 0x0af2, 0x2021 },
+  { 0x0af3, 0x2713 },
+  { 0x0af4, 0x2717 },
+  { 0x0af5, 0x266f },
+  { 0x0af6, 0x266d },
+  { 0x0af7, 0x2642 },
+  { 0x0af8, 0x2640 },
+  { 0x0af9, 0x260e },
+  { 0x0afa, 0x2315 },
+  { 0x0afb, 0x2117 },
+  { 0x0afc, 0x2038 },
+  { 0x0afd, 0x201a },
+  { 0x0afe, 0x201e },
+  { 0x0ba3, 0x003c },
+  { 0x0ba6, 0x003e },
+  { 0x0ba8, 0x2228 },
+  { 0x0ba9, 0x2227 },
+  { 0x0bc0, 0x00af },
+  { 0x0bc2, 0x22a5 },
+  { 0x0bc3, 0x2229 },
+  { 0x0bc4, 0x230a },
+  { 0x0bc6, 0x005f },
+  { 0x0bca, 0x2218 },
+  { 0x0bcc, 0x2395 },
+  { 0x0bce, 0x22a4 },
+  { 0x0bcf, 0x25cb },
+  { 0x0bd3, 0x2308 },
+  { 0x0bd6, 0x222a },
+  { 0x0bd8, 0x2283 },
+  { 0x0bda, 0x2282 },
+  { 0x0bdc, 0x22a2 },
+  { 0x0bfc, 0x22a3 },
+  { 0x0cdf, 0x2017 },
+  { 0x0ce0, 0x05d0 },
+  { 0x0ce1, 0x05d1 },
+  { 0x0ce2, 0x05d2 },
+  { 0x0ce3, 0x05d3 },
+  { 0x0ce4, 0x05d4 },
+  { 0x0ce5, 0x05d5 },
+  { 0x0ce6, 0x05d6 },
+  { 0x0ce7, 0x05d7 },
+  { 0x0ce8, 0x05d8 },
+  { 0x0ce9, 0x05d9 },
+  { 0x0cea, 0x05da },
+  { 0x0ceb, 0x05db },
+  { 0x0cec, 0x05dc },
+  { 0x0ced, 0x05dd },
+  { 0x0cee, 0x05de },
+  { 0x0cef, 0x05df },
+  { 0x0cf0, 0x05e0 },
+  { 0x0cf1, 0x05e1 },
+  { 0x0cf2, 0x05e2 },
+  { 0x0cf3, 0x05e3 },
+  { 0x0cf4, 0x05e4 },
+  { 0x0cf5, 0x05e5 },
+  { 0x0cf6, 0x05e6 },
+  { 0x0cf7, 0x05e7 },
+  { 0x0cf8, 0x05e8 },
+  { 0x0cf9, 0x05e9 },
+  { 0x0cfa, 0x05ea },
+  { 0x0da1, 0x0e01 },
+  { 0x0da2, 0x0e02 },
+  { 0x0da3, 0x0e03 },
+  { 0x0da4, 0x0e04 },
+  { 0x0da5, 0x0e05 },
+  { 0x0da6, 0x0e06 },
+  { 0x0da7, 0x0e07 },
+  { 0x0da8, 0x0e08 },
+  { 0x0da9, 0x0e09 },
+  { 0x0daa, 0x0e0a },
+  { 0x0dab, 0x0e0b },
+  { 0x0dac, 0x0e0c },
+  { 0x0dad, 0x0e0d },
+  { 0x0dae, 0x0e0e },
+  { 0x0daf, 0x0e0f },
+  { 0x0db0, 0x0e10 },
+  { 0x0db1, 0x0e11 },
+  { 0x0db2, 0x0e12 },
+  { 0x0db3, 0x0e13 },
+  { 0x0db4, 0x0e14 },
+  { 0x0db5, 0x0e15 },
+  { 0x0db6, 0x0e16 },
+  { 0x0db7, 0x0e17 },
+  { 0x0db8, 0x0e18 },
+  { 0x0db9, 0x0e19 },
+  { 0x0dba, 0x0e1a },
+  { 0x0dbb, 0x0e1b },
+  { 0x0dbc, 0x0e1c },
+  { 0x0dbd, 0x0e1d },
+  { 0x0dbe, 0x0e1e },
+  { 0x0dbf, 0x0e1f },
+  { 0x0dc0, 0x0e20 },
+  { 0x0dc1, 0x0e21 },
+  { 0x0dc2, 0x0e22 },
+  { 0x0dc3, 0x0e23 },
+  { 0x0dc4, 0x0e24 },
+  { 0x0dc5, 0x0e25 },
+  { 0x0dc6, 0x0e26 },
+  { 0x0dc7, 0x0e27 },
+  { 0x0dc8, 0x0e28 },
+  { 0x0dc9, 0x0e29 },
+  { 0x0dca, 0x0e2a },
+  { 0x0dcb, 0x0e2b },
+  { 0x0dcc, 0x0e2c },
+  { 0x0dcd, 0x0e2d },
+  { 0x0dce, 0x0e2e },
+  { 0x0dcf, 0x0e2f },
+  { 0x0dd0, 0x0e30 },
+  { 0x0dd1, 0x0e31 },
+  { 0x0dd2, 0x0e32 },
+  { 0x0dd3, 0x0e33 },
+  { 0x0dd4, 0x0e34 },
+  { 0x0dd5, 0x0e35 },
+  { 0x0dd6, 0x0e36 },
+  { 0x0dd7, 0x0e37 },
+  { 0x0dd8, 0x0e38 },
+  { 0x0dd9, 0x0e39 },
+  { 0x0dda, 0x0e3a },
+  { 0x0ddf, 0x0e3f },
+  { 0x0de0, 0x0e40 },
+  { 0x0de1, 0x0e41 },
+  { 0x0de2, 0x0e42 },
+  { 0x0de3, 0x0e43 },
+  { 0x0de4, 0x0e44 },
+  { 0x0de5, 0x0e45 },
+  { 0x0de6, 0x0e46 },
+  { 0x0de7, 0x0e47 },
+  { 0x0de8, 0x0e48 },
+  { 0x0de9, 0x0e49 },
+  { 0x0dea, 0x0e4a },
+  { 0x0deb, 0x0e4b },
+  { 0x0dec, 0x0e4c },
+  { 0x0ded, 0x0e4d },
+  { 0x0df0, 0x0e50 },
+  { 0x0df1, 0x0e51 },
+  { 0x0df2, 0x0e52 },
+  { 0x0df3, 0x0e53 },
+  { 0x0df4, 0x0e54 },
+  { 0x0df5, 0x0e55 },
+  { 0x0df6, 0x0e56 },
+  { 0x0df7, 0x0e57 },
+  { 0x0df8, 0x0e58 },
+  { 0x0df9, 0x0e59 },
+  { 0x0ea1, 0x3131 },
+  { 0x0ea2, 0x3132 },
+  { 0x0ea3, 0x3133 },
+  { 0x0ea4, 0x3134 },
+  { 0x0ea5, 0x3135 },
+  { 0x0ea6, 0x3136 },
+  { 0x0ea7, 0x3137 },
+  { 0x0ea8, 0x3138 },
+  { 0x0ea9, 0x3139 },
+  { 0x0eaa, 0x313a },
+  { 0x0eab, 0x313b },
+  { 0x0eac, 0x313c },
+  { 0x0ead, 0x313d },
+  { 0x0eae, 0x313e },
+  { 0x0eaf, 0x313f },
+  { 0x0eb0, 0x3140 },
+  { 0x0eb1, 0x3141 },
+  { 0x0eb2, 0x3142 },
+  { 0x0eb3, 0x3143 },
+  { 0x0eb4, 0x3144 },
+  { 0x0eb5, 0x3145 },
+  { 0x0eb6, 0x3146 },
+  { 0x0eb7, 0x3147 },
+  { 0x0eb8, 0x3148 },
+  { 0x0eb9, 0x3149 },
+  { 0x0eba, 0x314a },
+  { 0x0ebb, 0x314b },
+  { 0x0ebc, 0x314c },
+  { 0x0ebd, 0x314d },
+  { 0x0ebe, 0x314e },
+  { 0x0ebf, 0x314f },
+  { 0x0ec0, 0x3150 },
+  { 0x0ec1, 0x3151 },
+  { 0x0ec2, 0x3152 },
+  { 0x0ec3, 0x3153 },
+  { 0x0ec4, 0x3154 },
+  { 0x0ec5, 0x3155 },
+  { 0x0ec6, 0x3156 },
+  { 0x0ec7, 0x3157 },
+  { 0x0ec8, 0x3158 },
+  { 0x0ec9, 0x3159 },
+  { 0x0eca, 0x315a },
+  { 0x0ecb, 0x315b },
+  { 0x0ecc, 0x315c },
+  { 0x0ecd, 0x315d },
+  { 0x0ece, 0x315e },
+  { 0x0ecf, 0x315f },
+  { 0x0ed0, 0x3160 },
+  { 0x0ed1, 0x3161 },
+  { 0x0ed2, 0x3162 },
+  { 0x0ed3, 0x3163 },
+  { 0x0ed4, 0x11a8 },
+  { 0x0ed5, 0x11a9 },
+  { 0x0ed6, 0x11aa },
+  { 0x0ed7, 0x11ab },
+  { 0x0ed8, 0x11ac },
+  { 0x0ed9, 0x11ad },
+  { 0x0eda, 0x11ae },
+  { 0x0edb, 0x11af },
+  { 0x0edc, 0x11b0 },
+  { 0x0edd, 0x11b1 },
+  { 0x0ede, 0x11b2 },
+  { 0x0edf, 0x11b3 },
+  { 0x0ee0, 0x11b4 },
+  { 0x0ee1, 0x11b5 },
+  { 0x0ee2, 0x11b6 },
+  { 0x0ee3, 0x11b7 },
+  { 0x0ee4, 0x11b8 },
+  { 0x0ee5, 0x11b9 },
+  { 0x0ee6, 0x11ba },
+  { 0x0ee7, 0x11bb },
+  { 0x0ee8, 0x11bc },
+  { 0x0ee9, 0x11bd },
+  { 0x0eea, 0x11be },
+  { 0x0eeb, 0x11bf },
+  { 0x0eec, 0x11c0 },
+  { 0x0eed, 0x11c1 },
+  { 0x0eee, 0x11c2 },
+  { 0x0eef, 0x316d },
+  { 0x0ef0, 0x3171 },
+  { 0x0ef1, 0x3178 },
+  { 0x0ef2, 0x317f },
+  { 0x0ef3, 0x3181 },
+  { 0x0ef4, 0x3184 },
+  { 0x0ef5, 0x3186 },
+  { 0x0ef6, 0x318d },
+  { 0x0ef7, 0x318e },
+  { 0x0ef8, 0x11eb },
+  { 0x0ef9, 0x11f0 },
+  { 0x0efa, 0x11f9 },
+  { 0x0eff, 0x20a9 },
+  { 0x13a4, 0x20ac },
+  { 0x13bc, 0x0152 },
+  { 0x13bd, 0x0153 },
+  { 0x13be, 0x0178 },
+  { 0x20ac, 0x20ac }, 
+  // Numeric keypad with numlock on 
+  { XK_KP_Space, ' ' },
+  { XK_KP_Equal, '=' },
+  { XK_KP_Multiply, '*' },
+  { XK_KP_Add, '+' },
+  { XK_KP_Separator, ',' },
+  { XK_KP_Subtract, '-' },
+  { XK_KP_Decimal, '.' },
+  { XK_KP_Divide, '/' },
+  { XK_KP_0, 0x0030 }, 
+  { XK_KP_1, 0x0031 }, 
+  { XK_KP_2, 0x0032 }, 
+  { XK_KP_3, 0x0033 }, 
+  { XK_KP_4, 0x0034 }, 
+  { XK_KP_5, 0x0035 }, 
+  { XK_KP_6, 0x0036 }, 
+  { XK_KP_7, 0x0037 }, 
+  { XK_KP_8, 0x0038 }, 
+  { XK_KP_9, 0x0039 } 
+};
+
+
+//************************************************************************
+//****                  GLFW internal functions                       ****
+//************************************************************************
+
+//========================================================================
+// _glfwKeySym2Unicode() - Convert X11 KeySym to Unicode
+//========================================================================
+
+long _glfwKeySym2Unicode( KeySym keysym )
+{
+    int min = 0;
+    int max = sizeof(keysymtab) / sizeof(struct codepair) - 1;
+    int mid;
+
+    /* First check for Latin-1 characters (1:1 mapping) */
+    if( (keysym >= 0x0020 && keysym <= 0x007e) ||
+        (keysym >= 0x00a0 && keysym <= 0x00ff) )
+    {
+        return keysym;
+    }
+
+    /* Also check for directly encoded 24-bit UCS characters */
+    if( (keysym & 0xff000000) == 0x01000000 )
+    {
+        return keysym & 0x00ffffff;
+    }
+
+    /* Binary search in table */
+    while( max >= min )
+    {
+        mid = (min + max) / 2;
+        if( keysymtab[mid].keysym < keysym )
+        {
+            min = mid + 1;
+        }
+        else if( keysymtab[mid].keysym > keysym )
+        {
+            max = mid - 1;
+        }
+        else
+        {
+            /* Found it! */
+            return keysymtab[mid].ucs;
+        }
+    }
+
+    /* No matching Unicode value found */
+    return -1;
+}
diff --git a/src/engine/external/glfw/lib/x11/x11_thread.c b/src/engine/external/glfw/lib/x11/x11_thread.c
new file mode 100644
index 00000000..1a5db7e7
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_thread.c
@@ -0,0 +1,507 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_thread.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+
+//************************************************************************
+//****                  GLFW internal functions                       ****
+//************************************************************************
+
+#ifdef _GLFW_HAS_PTHREAD
+
+//========================================================================
+// _glfwNewThread() - This is simply a "wrapper" for calling the user
+// thread function.
+//========================================================================
+
+void * _glfwNewThread( void * arg )
+{
+    GLFWthreadfun threadfun;
+    _GLFWthread   *t;
+    pthread_t   posixID;
+
+    // Get current thread ID
+    posixID = pthread_self();
+
+    // Enter critical section
+    ENTER_THREAD_CRITICAL_SECTION
+
+    // Loop through entire list of threads to find the matching POSIX
+    // thread ID
+    for( t = &_glfwThrd.First; t != NULL; t = t->Next )
+    {
+        if( t->PosixID == posixID )
+        {
+            break;
+        }
+    }
+    if( t == NULL )
+    {
+        LEAVE_THREAD_CRITICAL_SECTION
+        return NULL;
+    }
+
+    // Get user thread function pointer
+    threadfun = t->Function;
+
+    // Leave critical section
+    LEAVE_THREAD_CRITICAL_SECTION
+
+    // Call the user thread function
+    threadfun( arg );
+
+    // Remove thread from thread list
+    ENTER_THREAD_CRITICAL_SECTION
+    _glfwRemoveThread( t );
+    LEAVE_THREAD_CRITICAL_SECTION
+
+    // When the thread function returns, the thread will die...
+    return NULL;
+}
+
+#endif // _GLFW_HAS_PTHREAD
+
+
+
+//************************************************************************
+//****               Platform implementation functions                ****
+//************************************************************************
+
+//========================================================================
+// _glfwPlatformCreateThread() - Create a new thread
+//========================================================================
+
+GLFWthread _glfwPlatformCreateThread( GLFWthreadfun fun, void *arg )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    GLFWthread  ID;
+    _GLFWthread *t;
+    int         result;
+
+    // Enter critical section
+    ENTER_THREAD_CRITICAL_SECTION
+
+    // Create a new thread information memory area
+    t = (_GLFWthread *) malloc( sizeof(_GLFWthread) );
+    if( t == NULL )
+    {
+        // Leave critical section
+        LEAVE_THREAD_CRITICAL_SECTION
+        return -1;
+    }
+
+    // Get a new unique thread id
+    ID = _glfwThrd.NextID ++;
+
+    // Store thread information in the thread list
+    t->Function = fun;
+    t->ID       = ID;
+
+    // Create thread
+    result = pthread_create(
+        &t->PosixID,      // Thread handle
+        NULL,             // Default thread attributes
+        _glfwNewThread,   // Thread function (a wrapper function)
+        (void *)arg       // Argument to thread is user argument
+    );
+
+    // Did the thread creation fail?
+    if( result != 0 )
+    {
+        free( (void *) t );
+        LEAVE_THREAD_CRITICAL_SECTION
+        return -1;
+    }
+
+    // Append thread to thread list
+    _glfwAppendThread( t );
+
+    // Leave critical section
+    LEAVE_THREAD_CRITICAL_SECTION
+
+    // Return the GLFW thread ID
+    return ID;
+
+#else
+
+    return -1;
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformDestroyThread() - Kill a thread. NOTE: THIS IS A VERY
+// DANGEROUS OPERATION, AND SHOULD NOT BE USED EXCEPT IN EXTREME
+// SITUATIONS!
+//========================================================================
+
+void _glfwPlatformDestroyThread( GLFWthread ID )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    _GLFWthread *t;
+
+    // Enter critical section
+    ENTER_THREAD_CRITICAL_SECTION
+
+    // Get thread information pointer
+    t = _glfwGetThreadPointer( ID );
+    if( t == NULL )
+    {
+        LEAVE_THREAD_CRITICAL_SECTION
+        return;
+    }
+
+    // Simply murder the process, no mercy!
+    pthread_kill( t->PosixID, SIGKILL );
+
+    // Remove thread from thread list
+    _glfwRemoveThread( t );
+
+    // Leave critical section
+    LEAVE_THREAD_CRITICAL_SECTION
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformWaitThread() - Wait for a thread to die
+//========================================================================
+
+int _glfwPlatformWaitThread( GLFWthread ID, int waitmode )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    pthread_t   thread;
+    _GLFWthread *t;
+
+    // Enter critical section
+    ENTER_THREAD_CRITICAL_SECTION
+
+    // Get thread information pointer
+    t = _glfwGetThreadPointer( ID );
+
+    // Is the thread already dead?
+    if( t == NULL )
+    {
+        LEAVE_THREAD_CRITICAL_SECTION
+        return GL_TRUE;
+    }
+
+    // If got this far, the thread is alive => polling returns FALSE
+    if( waitmode == GLFW_NOWAIT )
+    {
+        LEAVE_THREAD_CRITICAL_SECTION
+        return GL_FALSE;
+    }
+
+    // Get thread handle
+    thread = t->PosixID;
+
+    // Leave critical section
+    LEAVE_THREAD_CRITICAL_SECTION
+
+    // Wait for thread to die
+    (void) pthread_join( thread, NULL );
+
+    return GL_TRUE;
+
+#else
+
+    return GL_TRUE;
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformGetThreadID() - Return the thread ID for the current
+// thread
+//========================================================================
+
+GLFWthread _glfwPlatformGetThreadID( void )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    _GLFWthread *t;
+    GLFWthread  ID = -1;
+    pthread_t   posixID;
+
+    // Get current thread ID
+    posixID = pthread_self();
+
+    // Enter critical section
+    ENTER_THREAD_CRITICAL_SECTION
+
+    // Loop through entire list of threads to find the matching POSIX
+    // thread ID
+    for( t = &_glfwThrd.First; t != NULL; t = t->Next )
+    {
+        if( t->PosixID == posixID )
+        {
+            ID = t->ID;
+            break;
+        }
+    }
+
+    // Leave critical section
+    LEAVE_THREAD_CRITICAL_SECTION
+
+    // Return the found GLFW thread identifier
+    return ID;
+
+#else
+
+    return 0;
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformCreateMutex() - Create a mutual exclusion object
+//========================================================================
+
+GLFWmutex _glfwPlatformCreateMutex( void )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    pthread_mutex_t *mutex;
+
+    // Allocate memory for mutex
+    mutex = (pthread_mutex_t *) malloc( sizeof( pthread_mutex_t ) );
+    if( !mutex )
+    {
+        return NULL;
+    }
+
+    // Initialise a mutex object
+    (void) pthread_mutex_init( mutex, NULL );
+
+    // Cast to GLFWmutex and return
+    return (GLFWmutex) mutex;
+
+#else
+
+    return (GLFWmutex) 0;
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformDestroyMutex() - Destroy a mutual exclusion object
+//========================================================================
+
+void _glfwPlatformDestroyMutex( GLFWmutex mutex )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    // Destroy the mutex object
+    pthread_mutex_destroy( (pthread_mutex_t *) mutex );
+
+    // Free memory for mutex object
+    free( (void *) mutex );
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformLockMutex() - Request access to a mutex
+//========================================================================
+
+void _glfwPlatformLockMutex( GLFWmutex mutex )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    // Wait for mutex to be released
+    (void) pthread_mutex_lock( (pthread_mutex_t *) mutex );
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformUnlockMutex() - Release a mutex
+//========================================================================
+
+void _glfwPlatformUnlockMutex( GLFWmutex mutex )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    // Release mutex
+    pthread_mutex_unlock( (pthread_mutex_t *) mutex );
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformCreateCond() - Create a new condition variable object
+//========================================================================
+
+GLFWcond _glfwPlatformCreateCond( void )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    pthread_cond_t *cond;
+
+    // Allocate memory for condition variable
+    cond = (pthread_cond_t *) malloc( sizeof(pthread_cond_t) );
+    if( !cond )
+    {
+        return NULL;
+    }
+
+    // Initialise condition variable
+    (void) pthread_cond_init( cond, NULL );
+
+    // Cast to GLFWcond and return
+    return (GLFWcond) cond;
+
+#else
+
+    return (GLFWcond) 0;
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformDestroyCond() - Destroy a condition variable object
+//========================================================================
+
+void _glfwPlatformDestroyCond( GLFWcond cond )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    // Destroy the condition variable object
+    (void) pthread_cond_destroy( (pthread_cond_t *) cond );
+
+    // Free memory for condition variable object
+    free( (void *) cond );
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformWaitCond() - Wait for a condition to be raised
+//========================================================================
+
+void _glfwPlatformWaitCond( GLFWcond cond, GLFWmutex mutex,
+    double timeout )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    struct timeval  currenttime;
+    struct timespec wait;
+    long dt_sec, dt_usec;
+
+    // Select infinite or timed wait
+    if( timeout >= GLFW_INFINITY )
+    {
+        // Wait for condition (infinite wait)
+        (void) pthread_cond_wait( (pthread_cond_t *) cond,
+                  (pthread_mutex_t *) mutex );
+    }
+    else
+    {
+        // Set timeout time, relatvie to current time
+        gettimeofday( &currenttime, NULL );
+        dt_sec  = (long) timeout;
+        dt_usec = (long) ((timeout - (double)dt_sec) * 1000000.0);
+        wait.tv_nsec = (currenttime.tv_usec + dt_usec) * 1000L;
+        if( wait.tv_nsec > 1000000000L )
+        {
+            wait.tv_nsec -= 1000000000L;
+            dt_sec ++;
+        }
+        wait.tv_sec  = currenttime.tv_sec + dt_sec;
+
+        // Wait for condition (timed wait)
+        (void) pthread_cond_timedwait( (pthread_cond_t *) cond,
+                   (pthread_mutex_t *) mutex, &wait );
+    }
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformSignalCond() - Signal a condition to one waiting thread
+//========================================================================
+
+void _glfwPlatformSignalCond( GLFWcond cond )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    // Signal condition
+    (void) pthread_cond_signal( (pthread_cond_t *) cond );
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformBroadcastCond() - Broadcast a condition to all waiting
+// threads
+//========================================================================
+
+void _glfwPlatformBroadcastCond( GLFWcond cond )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    // Broadcast condition
+    (void) pthread_cond_broadcast( (pthread_cond_t *) cond );
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
+
+//========================================================================
+// _glfwPlatformGetNumberOfProcessors() - Return the number of processors
+// in the system.
+//========================================================================
+
+int _glfwPlatformGetNumberOfProcessors( void )
+{
+    int n;
+
+    // Get number of processors online
+    _glfw_numprocessors( n );
+    return n;
+}
diff --git a/src/engine/external/glfw/lib/x11/x11_time.c b/src/engine/external/glfw/lib/x11/x11_time.c
new file mode 100644
index 00000000..32ae9d9d
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_time.c
@@ -0,0 +1,154 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_time.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+//========================================================================
+// Initialise timer
+//========================================================================
+
+void _glfwInitTimer( void )
+{
+    struct timeval  tv;
+
+    // "Resolution" is 1 us
+    _glfwLibrary.Timer.Resolution = 1e-6;
+
+    // Set start-time for timer
+    gettimeofday( &tv, NULL );
+    _glfwLibrary.Timer.t0 = (long long) tv.tv_sec * (long long) 1000000 +
+		            (long long) tv.tv_usec;
+}
+
+
+//************************************************************************
+//****               Platform implementation functions                ****
+//************************************************************************
+
+//========================================================================
+// Return timer value in seconds
+//========================================================================
+
+double _glfwPlatformGetTime( void )
+{
+    long long t;
+    struct timeval  tv;
+
+    gettimeofday( &tv, NULL );
+    t = (long long) tv.tv_sec * (long long) 1000000 +
+	(long long) tv.tv_usec;
+
+    return (double)(t - _glfwLibrary.Timer.t0) * _glfwLibrary.Timer.Resolution;
+}
+
+
+//========================================================================
+// Set timer value in seconds
+//========================================================================
+
+void _glfwPlatformSetTime( double t )
+{
+    long long t0;
+    struct timeval  tv;
+
+    gettimeofday( &tv, NULL );
+    t0 = (long long) tv.tv_sec * (long long) 1000000 +
+	 (long long) tv.tv_usec;
+
+    // Calulate new starting time
+    _glfwLibrary.Timer.t0 = t0 - (long long)(t/_glfwLibrary.Timer.Resolution);
+}
+
+
+//========================================================================
+// Put a thread to sleep for a specified amount of time
+//========================================================================
+
+void _glfwPlatformSleep( double time )
+{
+#ifdef _GLFW_HAS_PTHREAD
+
+    if( time == 0.0 )
+    {
+#ifdef _GLFW_HAS_SCHED_YIELD
+	sched_yield();
+#endif
+	return;
+    }
+
+    struct timeval  currenttime;
+    struct timespec wait;
+    pthread_mutex_t mutex;
+    pthread_cond_t  cond;
+    long dt_sec, dt_usec;
+
+    // Not all pthread implementations have a pthread_sleep() function. We
+    // do it the portable way, using a timed wait for a condition that we
+    // will never signal. NOTE: The unistd functions sleep/usleep suspends
+    // the entire PROCESS, not a signle thread, which is why we can not
+    // use them to implement glfwSleep.
+
+    // Set timeout time, relatvie to current time
+    gettimeofday( &currenttime, NULL );
+    dt_sec  = (long) time;
+    dt_usec = (long) ((time - (double)dt_sec) * 1000000.0);
+    wait.tv_nsec = (currenttime.tv_usec + dt_usec) * 1000L;
+    if( wait.tv_nsec > 1000000000L )
+    {
+        wait.tv_nsec -= 1000000000L;
+        dt_sec++;
+    }
+    wait.tv_sec  = currenttime.tv_sec + dt_sec;
+
+    // Initialize condition and mutex objects
+    pthread_mutex_init( &mutex, NULL );
+    pthread_cond_init( &cond, NULL );
+
+    // Do a timed wait
+    pthread_mutex_lock( &mutex );
+    pthread_cond_timedwait( &cond, &mutex, &wait );
+    pthread_mutex_unlock( &mutex );
+
+    // Destroy condition and mutex objects
+    pthread_mutex_destroy( &mutex );
+    pthread_cond_destroy( &cond );
+
+#else
+
+    // For systems without PTHREAD, use unistd usleep
+    if( time > 0 )
+    {
+        usleep( (unsigned int) (time*1000000) );
+    }
+
+#endif // _GLFW_HAS_PTHREAD
+}
+
diff --git a/src/engine/external/glfw/lib/x11/x11_window.c b/src/engine/external/glfw/lib/x11/x11_window.c
new file mode 100644
index 00000000..d9d97be4
--- /dev/null
+++ b/src/engine/external/glfw/lib/x11/x11_window.c
@@ -0,0 +1,1746 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        x11_window.c
+// Platform:    X11 (Unix)
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// 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.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+/* Defines some GLX FSAA tokens if not yet defined */
+#ifndef GLX_SAMPLE_BUFFERS
+# define GLX_SAMPLE_BUFFERS  100000
+#endif 
+#ifndef GLX_SAMPLES 
+# define GLX_SAMPLES         100001
+#endif 
+
+
+/* KDE decoration values */
+enum {
+  KDE_noDecoration = 0,
+  KDE_normalDecoration = 1,
+  KDE_tinyDecoration = 2,
+  KDE_noFocus = 256,
+  KDE_standaloneMenuBar = 512,
+  KDE_desktopIcon = 1024 ,
+  KDE_staysOnTop = 2048
+};
+
+
+//************************************************************************
+//****                  GLFW internal functions                       ****
+//************************************************************************
+
+//========================================================================
+// _glfwWaitForMapNotify()
+//========================================================================
+
+Bool _glfwWaitForMapNotify( Display *d, XEvent *e, char *arg )
+{
+    return (e->type == MapNotify) && (e->xmap.window == (Window)arg);
+}
+
+
+//========================================================================
+// _glfwWaitForUnmapNotify()
+//========================================================================
+
+Bool _glfwWaitForUnmapNotify( Display *d, XEvent *e, char *arg )
+{
+    return (e->type == UnmapNotify) && (e->xmap.window == (Window)arg);
+}
+
+
+//========================================================================
+// _glfwDisableDecorations() - Turn off window decorations
+// Based on xawdecode: src/wmhooks.c
+//========================================================================
+
+#define MWM_HINTS_DECORATIONS (1L << 1)
+
+static void _glfwDisableDecorations( void )
+{
+    int                   RemovedDecorations;
+    Atom                  HintAtom;
+    XSetWindowAttributes  attributes;
+
+    RemovedDecorations = 0;
+
+    // First try to set MWM hints
+    HintAtom = XInternAtom( _glfwLibrary.Dpy, "_MOTIF_WM_HINTS", True );
+    if ( HintAtom != None )
+    {
+        struct {
+            unsigned long flags;
+            unsigned long functions;
+            unsigned long decorations;
+                     long input_mode;
+            unsigned long status;
+        } MWMHints = { MWM_HINTS_DECORATIONS, 0, 0, 0, 0 };
+
+        XChangeProperty( _glfwLibrary.Dpy, _glfwWin.Win, HintAtom, HintAtom,
+                         32, PropModeReplace, (unsigned char *)&MWMHints,
+                         sizeof(MWMHints)/4 );
+        RemovedDecorations = 1;
+    }
+
+    // Now try to set KWM hints
+    HintAtom = XInternAtom( _glfwLibrary.Dpy, "KWM_WIN_DECORATION", True );
+    if ( HintAtom != None )
+    {
+        long KWMHints = KDE_tinyDecoration;
+
+        XChangeProperty( _glfwLibrary.Dpy, _glfwWin.Win, HintAtom, HintAtom,
+                         32, PropModeReplace, (unsigned char *)&KWMHints,
+                         sizeof(KWMHints)/4 );
+        RemovedDecorations = 1;
+    }
+
+    // Now try to set GNOME hints
+    HintAtom = XInternAtom(_glfwLibrary.Dpy, "_WIN_HINTS", True );
+    if ( HintAtom != None )
+    {
+        long GNOMEHints = 0;
+
+        XChangeProperty( _glfwLibrary.Dpy, _glfwWin.Win, HintAtom, HintAtom,
+                         32, PropModeReplace, (unsigned char *)&GNOMEHints,
+                         sizeof(GNOMEHints)/4 );
+        RemovedDecorations = 1;
+    }
+
+    // Now try to set KDE NET_WM hints
+    HintAtom = XInternAtom( _glfwLibrary.Dpy, "_NET_WM_WINDOW_TYPE", True );
+    if ( HintAtom != None )
+    {
+        Atom NET_WMHints[2];
+
+        NET_WMHints[0] = XInternAtom( _glfwLibrary.Dpy, "_KDE_NET_WM_WINDOW_TYPE_OVERRIDE", True );
+        /* define a fallback... */
+        NET_WMHints[1] = XInternAtom( _glfwLibrary.Dpy, "_NET_WM_WINDOW_TYPE_NORMAL", True );
+
+        XChangeProperty( _glfwLibrary.Dpy, _glfwWin.Win, HintAtom, XA_ATOM,
+                         32, PropModeReplace, (unsigned char *)&NET_WMHints,
+                         2 );
+        RemovedDecorations = 1;
+    }
+
+    // Set ICCCM fullscreen WM hint
+    HintAtom = XInternAtom( _glfwLibrary.Dpy, "_NET_WM_STATE", True );
+    if ( HintAtom != None )
+    {
+        Atom NET_WMHints[1];
+
+        NET_WMHints[0] = XInternAtom( _glfwLibrary.Dpy, "_NET_WM_STATE_FULLSCREEN", True );
+
+        XChangeProperty( _glfwLibrary.Dpy, _glfwWin.Win, HintAtom, XA_ATOM,
+                         32, PropModeReplace, (unsigned char *)&NET_WMHints, 1 );
+    }
+
+
+    // Did we sucessfully remove the window decorations?
+    if( RemovedDecorations )
+    {
+        // Finally set the transient hints
+        XSetTransientForHint( _glfwLibrary.Dpy, _glfwWin.Win, RootWindow(_glfwLibrary.Dpy, _glfwWin.Scrn) );
+        XUnmapWindow( _glfwLibrary.Dpy, _glfwWin.Win );
+        XMapWindow( _glfwLibrary.Dpy, _glfwWin.Win );
+    }
+    else
+    {
+        // The Butcher way of removing window decorations
+        attributes.override_redirect = True;
+        XChangeWindowAttributes( _glfwLibrary.Dpy, _glfwWin.Win,
+                                 CWOverrideRedirect, &attributes );
+        _glfwWin.OverrideRedirect = GL_TRUE;
+    }
+}
+
+
+//========================================================================
+// _glfwEnableDecorations() - Turn on window decorations
+//========================================================================
+
+static void _glfwEnableDecorations( void )
+{
+    int                   ActivatedDecorations;
+    Atom                  HintAtom;
+
+    // If this is an override redirect window, skip it...
+    if( _glfwWin.OverrideRedirect )
+    {
+        return;
+    }
+
+    ActivatedDecorations = 0;
+
+    // First try to unset MWM hints
+    HintAtom = XInternAtom( _glfwLibrary.Dpy, "_MOTIF_WM_HINTS", True );
+    if ( HintAtom != None )
+    {
+        XDeleteProperty( _glfwLibrary.Dpy, _glfwWin.Win, HintAtom );
+        ActivatedDecorations = 1;
+    }
+
+    // Now try to unset KWM hints
+    HintAtom = XInternAtom( _glfwLibrary.Dpy, "KWM_WIN_DECORATION", True );
+    if ( HintAtom != None )
+    {
+        XDeleteProperty( _glfwLibrary.Dpy, _glfwWin.Win, HintAtom );
+        ActivatedDecorations = 1;
+    }
+
+    // Now try to unset GNOME hints
+    HintAtom = XInternAtom( _glfwLibrary.Dpy, "_WIN_HINTS", True );
+    if ( HintAtom != None )
+    {
+        XDeleteProperty( _glfwLibrary.Dpy, _glfwWin.Win, HintAtom );
+        ActivatedDecorations = 1;
+    }
+
+    // Now try to unset NET_WM hints
+    HintAtom = XInternAtom( _glfwLibrary.Dpy, "_NET_WM_WINDOW_TYPE", True );
+    if ( HintAtom != None )
+    {
+        Atom NET_WMHints = XInternAtom( _glfwLibrary.Dpy, "_NET_WM_WINDOW_TYPE_NORMAL", True);
+        if( NET_WMHints != None )
+        {
+            XChangeProperty( _glfwLibrary.Dpy, _glfwWin.Win,
+                            HintAtom, XA_ATOM, 32, PropModeReplace,
+                            (unsigned char *)&NET_WMHints, 1 );
+            ActivatedDecorations = 1;
+        }
+    }
+
+    // Finally unset the transient hints if necessary
+    if( ActivatedDecorations )
+    {
+        // NOTE: Does this work?
+        XSetTransientForHint( _glfwLibrary.Dpy, _glfwWin.Win, None);
+        XUnmapWindow( _glfwLibrary.Dpy, _glfwWin.Win );
+        XMapWindow( _glfwLibrary.Dpy, _glfwWin.Win );
+    }
+}
+
+
+//========================================================================
+// _glfwChooseVisual() - We do our own function here, since
+// glXChooseVisual does not behave as we want it to (not according to the
+// GLFW specs)
+//========================================================================
+
+XVisualInfo * _glfwChooseVisual( Display *Dpy, int Screen, int r, int g,
+    int b, int a, int d, int s, int ar, int ag, int ab, int aa, int aux,
+				 int fsaa, int stereo)
+{
+    XVisualInfo *VI, *VI_list, VI_tmp;
+    int  nitems_return, i;
+    int  vi_gl, vi_rgba, vi_double, vi_stereo;
+    int  vi_r, vi_g, vi_b, vi_a, vi_d, vi_s, vi_ar, vi_ag, vi_ab, vi_aa;
+    int  vi_aux;
+    int  color, accum, vi_accum;
+    int  missing, color_diff, extra_diff;
+    int  best_vis, best_missing, best_color_diff, best_extra_diff;
+    int  samples, samplebuffers, vi_samples, vi_samplebuffers;
+
+    // Get list of visuals for this screen & display
+    VI_tmp.screen = Screen;
+    VI_list = XGetVisualInfo( Dpy, VisualScreenMask, &VI_tmp,
+                              &nitems_return );
+    if( VI_list == NULL )
+    {
+        return NULL;
+    }
+
+    // Pick some prefered color depth if the user did not request a
+    // specific depth (note: if the user did not request a specific color
+    // depth, this will not be a driving demand, it's only here to avoid
+    // selection randomness)
+    color = (r > 0 || g > 0 || b > 0);
+    if( !color )
+    {
+        r = g = b = 8;
+    }
+
+    // Make sure that stereo is 1 or 0
+    stereo = stereo ? 1 : 0;
+
+    // Convenience pre-calculation
+    accum = (ar > 0 || ag > 0 || ab > 0 || aa > 0);
+    
+    samples = fsaa;
+    samplebuffers = (fsaa > 0) ? 1 : 0;
+    
+    
+
+    // Loop through list of visuals to find best match
+    best_vis        = -1;
+    best_missing    = 0x7fffffff;
+    best_color_diff = 0x7fffffff;
+    best_extra_diff = 0x7fffffff;
+    for( i = 0; i < nitems_return; i ++ )
+    {
+        // We want GL, RGBA & DOUBLEBUFFER, and NOT STEREO / STEREO
+        glXGetConfig( Dpy, &VI_list[i], GLX_USE_GL, &vi_gl );
+        glXGetConfig( Dpy, &VI_list[i], GLX_RGBA, &vi_rgba );
+        glXGetConfig( Dpy, &VI_list[i], GLX_DOUBLEBUFFER, &vi_double );
+        glXGetConfig( Dpy, &VI_list[i], GLX_STEREO, &vi_stereo );
+        vi_stereo = vi_stereo ? 1 : 0;
+        if( vi_gl && vi_rgba && vi_double && (vi_stereo == stereo) )
+        {
+            // Get visual color parameters
+            glXGetConfig( Dpy, &VI_list[i], GLX_RED_SIZE, &vi_r );
+            glXGetConfig( Dpy, &VI_list[i], GLX_GREEN_SIZE, &vi_g );
+            glXGetConfig( Dpy, &VI_list[i], GLX_BLUE_SIZE, &vi_b );
+
+            // Get visual "extra" parameters
+            glXGetConfig( Dpy, &VI_list[i], GLX_ALPHA_SIZE, &vi_a );
+            glXGetConfig( Dpy, &VI_list[i], GLX_DEPTH_SIZE, &vi_d );
+            glXGetConfig( Dpy, &VI_list[i], GLX_STENCIL_SIZE, &vi_s );
+            glXGetConfig( Dpy, &VI_list[i], GLX_ACCUM_RED_SIZE, &vi_ar );
+            glXGetConfig( Dpy, &VI_list[i], GLX_ACCUM_GREEN_SIZE, &vi_ag );
+            glXGetConfig( Dpy, &VI_list[i], GLX_ACCUM_BLUE_SIZE, &vi_ab );
+            glXGetConfig( Dpy, &VI_list[i], GLX_ACCUM_ALPHA_SIZE, &vi_aa );
+            glXGetConfig( Dpy, &VI_list[i], GLX_AUX_BUFFERS, &vi_aux );
+	    glXGetConfig( Dpy, &VI_list[i], GLX_SAMPLE_BUFFERS, &vi_samplebuffers );
+	    glXGetConfig( Dpy, &VI_list[i], GLX_SAMPLES, &vi_samples );
+	    
+            vi_accum = (vi_ar > 0 || vi_ag > 0 || vi_ab > 0 || vi_aa > 0);
+
+            // Check how many buffers are missing
+            missing = 0;
+            if( a > 0 && vi_a == 0 ) missing ++;
+            if( d > 0 && vi_d == 0 ) missing ++;
+            if( s > 0 && vi_s == 0 ) missing ++;
+            if( accum && !vi_accum ) missing ++;
+            if( aux > 0 && vi_aux == 0 ) missing ++;
+	    if( samplebuffers > 0 && vi_samplebuffers == 0 ) missing ++;
+	    
+
+            // Calculate color diff
+            color_diff = (r - vi_r) * (r - vi_r) +
+                         (g - vi_g) * (g - vi_g) +
+                         (b - vi_b) * (b - vi_b);
+
+            // Calculate "extra" diff
+            extra_diff = 0;
+            if( a > 0 )
+            {
+                extra_diff += (a - vi_a) * (a - vi_a);
+            }
+            if( d > 0 )
+            {
+                extra_diff += (d - vi_d) * (d - vi_d);
+            }
+            if( s > 0 )
+            {
+                extra_diff += (s - vi_s) * (s - vi_s);
+            }
+            if( accum )
+            {
+                extra_diff += (ar - vi_ar) * (ar - vi_ar) +
+                              (ag - vi_ag) * (ag - vi_ag) +
+                              (ab - vi_ab) * (ab - vi_ab) +
+                              (aa - vi_aa) * (aa - vi_aa);
+            }
+            if( aux > 0 )
+            {
+                extra_diff += (aux - vi_aux) * (aux - vi_aux);
+            }
+	    if( samples > 0 )
+	    {
+	      extra_diff += (samples - vi_samples) * (samples - vi_samples);
+	      
+	    }
+            // Check if this is a better match. We implement some
+            // complicated rules, by prioritizing in this order:
+            //  1) Visuals with the least number of missing buffers always
+            //     have priority
+            //  2a) If (r,g,b)!=(0,0,0), color depth has priority over
+            //      other buffers
+            //  2b) If (r,g,b)==(0,0,0), other buffers have priority over
+            //      color depth
+            if( missing < best_missing )
+            {
+                best_vis = i;
+            }
+            else if( missing == best_missing )
+            {
+                if( color )
+                {
+                    if( (color_diff < best_color_diff) ||
+                        (color_diff == best_color_diff &&
+                         extra_diff < best_extra_diff) )
+                    {
+                        best_vis = i;
+                    }
+                }
+                else
+                {
+                    if( (extra_diff < best_extra_diff) ||
+                        (extra_diff == best_extra_diff &&
+                         color_diff < best_color_diff) )
+                    {
+                        best_vis = i;
+                    }
+                }
+            }
+            if( best_vis == i )
+            {
+                best_missing    = missing;
+                best_color_diff = color_diff;
+                best_extra_diff = extra_diff;
+            }
+        }
+    }
+
+    // Copy best visual to a visual to return
+    if( best_vis >= 0 )
+    {
+        VI = XGetVisualInfo( Dpy, VisualIDMask, &VI_list[ best_vis ],
+                             &nitems_return );
+    }
+    else
+    {
+        VI = NULL;
+    }
+
+    // Free visuals list
+    XFree( VI_list );
+
+    return VI;
+}
+
+
+//========================================================================
+// _glfwTranslateKey() - Translates an X Window key to internal coding
+//========================================================================
+
+static int _glfwTranslateKey( int keycode )
+{
+    KeySym key, key_lc, key_uc;
+
+    // Try secondary keysym, for numeric keypad keys
+    // Note: This way we always force "NumLock = ON", which at least
+    // enables GLFW users to detect numeric keypad keys
+    key = XKeycodeToKeysym( _glfwLibrary.Dpy, keycode, 1 );
+    switch( key )
+    {
+        // Numeric keypad
+        case XK_KP_0:         return GLFW_KEY_KP_0;
+        case XK_KP_1:         return GLFW_KEY_KP_1;
+        case XK_KP_2:         return GLFW_KEY_KP_2;
+        case XK_KP_3:         return GLFW_KEY_KP_3;
+        case XK_KP_4:         return GLFW_KEY_KP_4;
+        case XK_KP_5:         return GLFW_KEY_KP_5;
+        case XK_KP_6:         return GLFW_KEY_KP_6;
+        case XK_KP_7:         return GLFW_KEY_KP_7;
+        case XK_KP_8:         return GLFW_KEY_KP_8;
+        case XK_KP_9:         return GLFW_KEY_KP_9;
+        case XK_KP_Separator:
+        case XK_KP_Decimal:   return GLFW_KEY_KP_DECIMAL;
+        case XK_KP_Equal:     return GLFW_KEY_KP_EQUAL;
+        case XK_KP_Enter:     return GLFW_KEY_KP_ENTER;
+        default:              break;
+    }
+
+    // Now try pimary keysym
+    key = XKeycodeToKeysym( _glfwLibrary.Dpy, keycode, 0 );
+    switch( key )
+    {
+        // Special keys (non character keys)
+        case XK_Escape:       return GLFW_KEY_ESC;
+        case XK_Tab:          return GLFW_KEY_TAB;
+        case XK_Shift_L:      return GLFW_KEY_LSHIFT;
+        case XK_Shift_R:      return GLFW_KEY_RSHIFT;
+        case XK_Control_L:    return GLFW_KEY_LCTRL;
+        case XK_Control_R:    return GLFW_KEY_RCTRL;
+        case XK_Meta_L:
+        case XK_Alt_L:        return GLFW_KEY_LALT;
+        case XK_Mode_switch:  // Mapped to Alt_R on many keyboards
+        case XK_Meta_R:
+        case XK_Alt_R:        return GLFW_KEY_RALT;
+        case XK_KP_Delete:
+        case XK_Delete:       return GLFW_KEY_DEL;
+        case XK_BackSpace:    return GLFW_KEY_BACKSPACE;
+        case XK_Return:       return GLFW_KEY_ENTER;
+        case XK_KP_Home:
+        case XK_Home:         return GLFW_KEY_HOME;
+        case XK_KP_End:
+        case XK_End:          return GLFW_KEY_END;
+        case XK_KP_Page_Up:
+        case XK_Page_Up:      return GLFW_KEY_PAGEUP;
+        case XK_KP_Page_Down:
+        case XK_Page_Down:    return GLFW_KEY_PAGEDOWN;
+        case XK_KP_Insert:
+        case XK_Insert:       return GLFW_KEY_INSERT;
+        case XK_KP_Left:
+        case XK_Left:         return GLFW_KEY_LEFT;
+        case XK_KP_Right:
+        case XK_Right:        return GLFW_KEY_RIGHT;
+        case XK_KP_Down:
+        case XK_Down:         return GLFW_KEY_DOWN;
+        case XK_KP_Up:
+        case XK_Up:           return GLFW_KEY_UP;
+        case XK_F1:           return GLFW_KEY_F1;
+        case XK_F2:           return GLFW_KEY_F2;
+        case XK_F3:           return GLFW_KEY_F3;
+        case XK_F4:           return GLFW_KEY_F4;
+        case XK_F5:           return GLFW_KEY_F5;
+        case XK_F6:           return GLFW_KEY_F6;
+        case XK_F7:           return GLFW_KEY_F7;
+        case XK_F8:           return GLFW_KEY_F8;
+        case XK_F9:           return GLFW_KEY_F9;
+        case XK_F10:          return GLFW_KEY_F10;
+        case XK_F11:          return GLFW_KEY_F11;
+        case XK_F12:          return GLFW_KEY_F12;
+        case XK_F13:          return GLFW_KEY_F13;
+        case XK_F14:          return GLFW_KEY_F14;
+        case XK_F15:          return GLFW_KEY_F15;
+        case XK_F16:          return GLFW_KEY_F16;
+        case XK_F17:          return GLFW_KEY_F17;
+        case XK_F18:          return GLFW_KEY_F18;
+        case XK_F19:          return GLFW_KEY_F19;
+        case XK_F20:          return GLFW_KEY_F20;
+        case XK_F21:          return GLFW_KEY_F21;
+        case XK_F22:          return GLFW_KEY_F22;
+        case XK_F23:          return GLFW_KEY_F23;
+        case XK_F24:          return GLFW_KEY_F24;
+        case XK_F25:          return GLFW_KEY_F25;
+
+        // Numeric keypad (should have been detected in secondary keysym!)
+        case XK_KP_Divide:    return GLFW_KEY_KP_DIVIDE;
+        case XK_KP_Multiply:  return GLFW_KEY_KP_MULTIPLY;
+        case XK_KP_Subtract:  return GLFW_KEY_KP_SUBTRACT;
+        case XK_KP_Add:       return GLFW_KEY_KP_ADD;
+        case XK_KP_Equal:     return GLFW_KEY_KP_EQUAL;
+        case XK_KP_Enter:     return GLFW_KEY_KP_ENTER;
+
+        // The rest (should be printable keys)
+        default:
+            // Make uppercase
+            XConvertCase( key, &key_lc, &key_uc );
+            key = key_uc;
+
+            // Valid ISO 8859-1 character?
+            if( (key >=  32 && key <= 126) ||
+                (key >= 160 && key <= 255) )
+            {
+                return (int) key;
+            }
+            return GLFW_KEY_UNKNOWN;
+    }
+}
+
+
+//========================================================================
+// _glfwTranslateChar() - Translates an X Window event to Unicode
+//========================================================================
+
+static int _glfwTranslateChar( XKeyEvent *event )
+{
+    KeySym keysym;
+
+    // Get X11 keysym
+    XLookupString( event, NULL, 0, &keysym, NULL );
+
+    // Convert to Unicode (see x11_keysym2unicode.c)
+    return (int) _glfwKeySym2Unicode( keysym );
+}
+
+
+
+//========================================================================
+// Get next X event (called by glfwPollEvents)
+//========================================================================
+
+static int _glfwGetNextEvent( void )
+{
+    XEvent event, next_event;
+
+    // Pull next event from event queue
+    XNextEvent( _glfwLibrary.Dpy, &event );
+
+    // Handle certain window messages
+    switch( event.type )
+    {
+        // Is a key being pressed?
+        case KeyPress:
+	{
+            // Translate and report key press
+            _glfwInputKey( _glfwTranslateKey( event.xkey.keycode ), GLFW_PRESS );
+
+            // Translate and report character input
+            if( _glfwWin.CharCallback )
+            {
+                _glfwInputChar( _glfwTranslateChar( &event.xkey ), GLFW_PRESS );
+            }
+            break;
+	}
+
+        // Is a key being released?
+        case KeyRelease:
+	{
+            // Do not report key releases for key repeats. For key repeats
+            // we will get KeyRelease/KeyPress pairs with identical time
+            // stamps. User selected key repeat filtering is handled in
+            // _glfwInputKey()/_glfwInputChar().
+            if( XEventsQueued( _glfwLibrary.Dpy, QueuedAfterReading ) )
+            {
+                XPeekEvent( _glfwLibrary.Dpy, &next_event );
+                if( next_event.type == KeyPress &&
+                    next_event.xkey.window == event.xkey.window &&
+                    next_event.xkey.keycode == event.xkey.keycode &&
+                    next_event.xkey.time == event.xkey.time )
+                {
+                    // Do not report anything for this event
+                    break;
+                }
+            }
+
+            // Translate and report key release
+            _glfwInputKey( _glfwTranslateKey( event.xkey.keycode ), GLFW_RELEASE );
+
+            // Translate and report character input
+            if( _glfwWin.CharCallback )
+            {
+                _glfwInputChar( _glfwTranslateChar( &event.xkey ), GLFW_RELEASE );
+            }
+            break;
+	}
+
+        // Were any of the mouse-buttons pressed?
+        case ButtonPress:
+	{
+            if( event.xbutton.button == Button1 )
+            {
+                _glfwInputMouseClick( GLFW_MOUSE_BUTTON_LEFT, GLFW_PRESS );
+            }
+            else if( event.xbutton.button == Button2 )
+            {
+                _glfwInputMouseClick( GLFW_MOUSE_BUTTON_MIDDLE, GLFW_PRESS );
+            }
+            else if( event.xbutton.button == Button3 )
+            {
+                _glfwInputMouseClick( GLFW_MOUSE_BUTTON_RIGHT, GLFW_PRESS );
+            }
+
+            // XFree86 3.3.2 and later translates mouse wheel up/down into
+            // mouse button 4 & 5 presses
+            else if( event.xbutton.button == Button4 )
+            {
+                _glfwInput.WheelPos++;  // To verify: is this up or down?
+                if( _glfwWin.MouseWheelCallback )
+                {
+                    _glfwWin.MouseWheelCallback( _glfwInput.WheelPos );
+                }
+            }
+            else if( event.xbutton.button == Button5 )
+            {
+                _glfwInput.WheelPos--;
+                if( _glfwWin.MouseWheelCallback )
+                {
+                    _glfwWin.MouseWheelCallback( _glfwInput.WheelPos );
+                }
+            }
+            break;
+	}
+
+        // Were any of the mouse-buttons released?
+        case ButtonRelease:
+	{
+            if( event.xbutton.button == Button1 )
+            {
+                _glfwInputMouseClick( GLFW_MOUSE_BUTTON_LEFT,
+                                      GLFW_RELEASE );
+            }
+            else if( event.xbutton.button == Button2 )
+            {
+                _glfwInputMouseClick( GLFW_MOUSE_BUTTON_MIDDLE,
+                                      GLFW_RELEASE );
+            }
+            else if( event.xbutton.button == Button3 )
+            {
+                _glfwInputMouseClick( GLFW_MOUSE_BUTTON_RIGHT,
+                                      GLFW_RELEASE );
+            }
+            break;
+	}
+
+        // Was the mouse moved?
+        case MotionNotify:
+	{
+            if( event.xmotion.x != _glfwInput.CursorPosX ||
+                event.xmotion.y != _glfwInput.CursorPosY )
+            {
+                if( _glfwWin.MouseLock )
+                {
+                    _glfwInput.MousePosX += event.xmotion.x -
+                                            _glfwInput.CursorPosX;
+                    _glfwInput.MousePosY += event.xmotion.y -
+                                            _glfwInput.CursorPosY;
+                }
+                else
+                {
+                    _glfwInput.MousePosX = event.xmotion.x;
+                    _glfwInput.MousePosY = event.xmotion.y;
+                }
+                _glfwInput.CursorPosX = event.xmotion.x;
+                _glfwInput.CursorPosY = event.xmotion.y;
+                _glfwInput.MouseMoved = GL_TRUE;
+
+                // Call user callback function
+                if( _glfwWin.MousePosCallback )
+                {
+                    _glfwWin.MousePosCallback( _glfwInput.MousePosX,
+                                               _glfwInput.MousePosY );
+                }
+            }
+            break;
+	}
+
+        // Was the window resized?
+        case ConfigureNotify:
+	{
+            if( event.xconfigure.width != _glfwWin.Width ||
+                event.xconfigure.height != _glfwWin.Height )
+            {
+                _glfwWin.Width = event.xconfigure.width;
+                _glfwWin.Height = event.xconfigure.height;
+                if( _glfwWin.WindowSizeCallback )
+                {
+                    _glfwWin.WindowSizeCallback( _glfwWin.Width,
+                                                 _glfwWin.Height );
+                }
+            }
+            break;
+	}
+
+        // Was the window closed by the window manager?
+        case ClientMessage:
+	{
+            if( (Atom) event.xclient.data.l[ 0 ] == _glfwWin.WMDeleteWindow )
+            {
+                return GL_TRUE;
+            }
+
+	    if( (Atom) event.xclient.data.l[ 0 ] == _glfwWin.WMPing )
+	    {
+		XSendEvent( _glfwLibrary.Dpy,
+			    RootWindow( _glfwLibrary.Dpy, _glfwWin.VI->screen ),
+			    False, SubstructureNotifyMask | SubstructureRedirectMask, &event );
+	    }
+            break;
+	}
+
+        // Was the window mapped (un-iconified)?
+        case MapNotify:
+            _glfwWin.MapNotifyCount++;
+            break;
+
+        // Was the window unmapped (iconified)?
+        case UnmapNotify:
+            _glfwWin.MapNotifyCount--;
+            break;
+
+        // Was the window activated?
+        case FocusIn:
+            _glfwWin.FocusInCount++;
+            break;
+
+        // Was the window de-activated?
+        case FocusOut:
+            _glfwWin.FocusInCount--;
+            break;
+
+        // Was the window contents damaged?
+        case Expose:
+	{
+            // Call user callback function
+            if( _glfwWin.WindowRefreshCallback )
+            {
+                _glfwWin.WindowRefreshCallback();
+            }
+            break;
+	}
+
+        // Was the window destroyed?
+        case DestroyNotify:
+            return GL_TRUE;
+
+        default:
+	{
+#if defined( _GLFW_HAS_XRANDR )
+	    switch( event.type - _glfwLibrary.XRandR.EventBase )
+	    {
+		case RRScreenChangeNotify:
+		{
+		    // Show XRandR that we really care
+		    XRRUpdateConfiguration( &event );
+		    break;
+		}
+	    }
+#endif
+            break;
+	}
+    }
+
+    // The window was not destroyed
+    return GL_FALSE;
+}
+
+
+//========================================================================
+// _glfwCreateNULLCursor() - Create a blank cursor (for locked mouse mode)
+//========================================================================
+
+Cursor _glfwCreateNULLCursor( Display *display, Window root )
+{
+    Pixmap    cursormask;
+    XGCValues xgc;
+    GC        gc;
+    XColor    col;
+    Cursor    cursor;
+
+    cursormask = XCreatePixmap( display, root, 1, 1, 1 );
+    xgc.function = GXclear;
+    gc = XCreateGC( display, cursormask, GCFunction, &xgc );
+    XFillRectangle( display, cursormask, gc, 0, 0, 1, 1 );
+    col.pixel = 0;
+    col.red = 0;
+    col.flags = 4;
+    cursor = XCreatePixmapCursor( display, cursormask, cursormask,
+                                  &col,&col, 0,0 );
+    XFreePixmap( display, cursormask );
+    XFreeGC( display, gc );
+
+    return cursor;
+}
+
+
+//========================================================================
+// _glfwInitGLXExtensions() - Initialize GLX-specific extensions
+//========================================================================
+
+static void _glfwInitGLXExtensions( void )
+{
+    int has_swap_control;
+
+    // Initialize OpenGL extension: GLX_SGI_swap_control
+    has_swap_control = _glfwPlatformExtensionSupported(
+                           "GLX_SGI_swap_control"
+                       );
+
+    if( has_swap_control )
+    {
+        _glfwWin.SwapInterval = (GLXSWAPINTERVALSGI_T)
+            _glfw_glXGetProcAddress( (GLubyte*) "glXSwapIntervalSGI" );
+    }
+    else
+    {
+        _glfwWin.SwapInterval = NULL;
+    }
+}
+
+
+
+//************************************************************************
+//****               Platform implementation functions                ****
+//************************************************************************
+
+//========================================================================
+// _glfwPlatformOpenWindow() - Here is where the window is created, and
+// the OpenGL rendering context is created
+//========================================================================
+
+int _glfwPlatformOpenWindow( int width, int height, int redbits,
+    int greenbits, int bluebits, int alphabits, int depthbits,
+    int stencilbits, int mode, _GLFWhints* hints )
+{
+    Colormap    cmap;
+    XSetWindowAttributes wa;
+    XEvent      event;
+    Atom protocols[2];
+
+    // Clear platform specific GLFW window state
+    _glfwWin.VI               = NULL;
+    _glfwWin.CX               = (GLXContext)0;
+    _glfwWin.Win              = (Window)0;
+    _glfwWin.Hints            = NULL;
+    _glfwWin.PointerGrabbed   = GL_FALSE;
+    _glfwWin.KeyboardGrabbed  = GL_FALSE;
+    _glfwWin.OverrideRedirect = GL_FALSE;
+    _glfwWin.FS.ModeChanged   = GL_FALSE;
+    _glfwWin.Saver.Changed    = GL_FALSE;
+    _glfwWin.RefreshRate      = hints->RefreshRate;
+
+    // Fullscreen & screen saver settings
+    // Check if GLX is supported on this display
+    if( !glXQueryExtension( _glfwLibrary.Dpy, NULL, NULL ) )
+    {
+        _glfwPlatformCloseWindow();
+        return GL_FALSE;
+    }
+
+    // Get screen ID for this window
+    _glfwWin.Scrn = _glfwLibrary.DefaultScreen;
+
+    // Get an appropriate visual
+    _glfwWin.VI = _glfwChooseVisual( _glfwLibrary.Dpy,
+                                     _glfwWin.Scrn,
+                                     redbits, greenbits, bluebits,
+                                     alphabits, depthbits, stencilbits,
+                                     hints->AccumRedBits, hints->AccumGreenBits,
+                                     hints->AccumBlueBits, hints->AccumAlphaBits,
+                                     hints->AuxBuffers, hints->Samples, hints->Stereo );
+    if( _glfwWin.VI == NULL )
+    {
+        _glfwPlatformCloseWindow();
+        return GL_FALSE;
+    }
+
+    // Create a GLX context
+    _glfwWin.CX = glXCreateContext( _glfwLibrary.Dpy, _glfwWin.VI, 0, GL_TRUE );
+    if( _glfwWin.CX == NULL )
+    {
+        _glfwPlatformCloseWindow();
+        return GL_FALSE;
+    }
+
+    // Create a colormap
+    cmap = XCreateColormap( _glfwLibrary.Dpy, RootWindow( _glfwLibrary.Dpy,
+               _glfwWin.VI->screen), _glfwWin.VI->visual, AllocNone );
+
+    // Do we want fullscreen?
+    if( mode == GLFW_FULLSCREEN )
+    {
+        // Change video mode
+        _glfwSetVideoMode( _glfwWin.Scrn, &_glfwWin.Width,
+                           &_glfwWin.Height, &_glfwWin.RefreshRate );
+
+        // Remember old screen saver settings
+        XGetScreenSaver( _glfwLibrary.Dpy, &_glfwWin.Saver.Timeout,
+                         &_glfwWin.Saver.Interval, &_glfwWin.Saver.Blanking,
+                         &_glfwWin.Saver.Exposure );
+
+        // Disable screen saver
+        XSetScreenSaver( _glfwLibrary.Dpy, 0, 0, DontPreferBlanking,
+                         DefaultExposures );
+    }
+
+    // Attributes for window
+    wa.colormap = cmap;
+    wa.border_pixel = 0;
+    wa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask |
+        PointerMotionMask | ButtonPressMask | ButtonReleaseMask |
+        ExposureMask | FocusChangeMask | VisibilityChangeMask;
+
+    // Create a window
+    _glfwWin.Win = XCreateWindow(
+        _glfwLibrary.Dpy,
+        RootWindow( _glfwLibrary.Dpy, _glfwWin.VI->screen ),
+        0, 0,                            // Upper left corner
+        _glfwWin.Width, _glfwWin.Height, // Width, height
+        0,                               // Borderwidth
+        _glfwWin.VI->depth,              // Depth
+        InputOutput,
+        _glfwWin.VI->visual,
+        CWBorderPixel | CWColormap | CWEventMask,
+        &wa
+    );
+    if( !_glfwWin.Win )
+    {
+        _glfwPlatformCloseWindow();
+        return GL_FALSE;
+    }
+
+    // Get the delete window WM protocol atom
+    _glfwWin.WMDeleteWindow = XInternAtom( _glfwLibrary.Dpy,
+                                           "WM_DELETE_WINDOW",
+                                           False );
+
+    // Get the ping WM protocol atom
+    _glfwWin.WMPing = XInternAtom( _glfwLibrary.Dpy, "_NET_WM_PING", False );
+
+    protocols[0] = _glfwWin.WMDeleteWindow;
+    protocols[1] = _glfwWin.WMPing;
+
+    // Allow us to trap the Window Close protocol
+    XSetWMProtocols( _glfwLibrary.Dpy, _glfwWin.Win, protocols,
+                     sizeof(protocols) / sizeof(Atom) );
+
+    // Remove window decorations for fullscreen windows
+    if( mode == GLFW_FULLSCREEN )
+    {
+        _glfwDisableDecorations();
+    }
+
+    _glfwWin.Hints = XAllocSizeHints();
+
+    if( hints->WindowNoResize )
+    {
+	_glfwWin.Hints->flags |= (PMinSize | PMaxSize);
+        _glfwWin.Hints->min_width = _glfwWin.Hints->max_width = _glfwWin.Width;
+        _glfwWin.Hints->min_height = _glfwWin.Hints->max_height = _glfwWin.Height;
+    }
+
+    if( mode == GLFW_FULLSCREEN )
+    {
+	_glfwWin.Hints->flags |= PPosition;
+	_glfwWin.Hints->x = 0;
+	_glfwWin.Hints->y = 0;
+    }
+
+    XSetWMNormalHints( _glfwLibrary.Dpy, _glfwWin.Win, _glfwWin.Hints );
+
+    // Map window
+    XMapWindow( _glfwLibrary.Dpy, _glfwWin.Win );
+
+    // Wait for map notification
+    XIfEvent( _glfwLibrary.Dpy, &event, _glfwWaitForMapNotify,
+              (char*)_glfwWin.Win );
+
+    // Make sure that our window ends up on top of things
+    XRaiseWindow( _glfwLibrary.Dpy, _glfwWin.Win );
+
+    // Fullscreen mode "post processing"
+    if( mode == GLFW_FULLSCREEN )
+    {
+#if defined( _GLFW_HAS_XRANDR )
+	// Request screen change notifications
+	if( _glfwLibrary.XRandR.Available )
+	{
+	    XRRSelectInput( _glfwLibrary.Dpy,
+	                    _glfwWin.Win,
+			    RRScreenChangeNotifyMask );
+	}
+#endif
+
+        // Force window position/size (some WMs do their own window
+        // geometry, which we want to override)
+        XMoveWindow( _glfwLibrary.Dpy, _glfwWin.Win, 0, 0 );
+        XResizeWindow( _glfwLibrary.Dpy, _glfwWin.Win, _glfwWin.Width,
+                       _glfwWin.Height );
+
+        // Grab keyboard
+        if( XGrabKeyboard( _glfwLibrary.Dpy, _glfwWin.Win, True,
+                           GrabModeAsync, GrabModeAsync, CurrentTime ) ==
+            GrabSuccess )
+        {
+            _glfwWin.KeyboardGrabbed = GL_TRUE;
+        }
+
+        // Grab mouse cursor
+        if( XGrabPointer( _glfwLibrary.Dpy, _glfwWin.Win, True,
+                          ButtonPressMask | ButtonReleaseMask |
+                          PointerMotionMask, GrabModeAsync, GrabModeAsync,
+                          _glfwWin.Win, None, CurrentTime ) ==
+            GrabSuccess )
+        {
+            _glfwWin.PointerGrabbed = GL_TRUE;
+        }
+
+        // Try to get window inside viewport (for virtual displays) by
+        // moving the mouse cursor to the upper left corner (and then to
+        // the center) - this works for XFree86
+        XWarpPointer( _glfwLibrary.Dpy, None, _glfwWin.Win, 0,0,0,0, 0,0 );
+        XWarpPointer( _glfwLibrary.Dpy, None, _glfwWin.Win, 0,0,0,0,
+                      _glfwWin.Width/2, _glfwWin.Height/2 );
+    }
+
+    // Set window & icon name
+    _glfwPlatformSetWindowTitle( "GLFW Window" );
+
+    // Connect the context to the window
+    glXMakeCurrent( _glfwLibrary.Dpy, _glfwWin.Win, _glfwWin.CX );
+
+    // Start by clearing the front buffer to black (avoid ugly desktop
+    // remains in our OpenGL window)
+    glClear( GL_COLOR_BUFFER_BIT );
+    glXSwapBuffers( _glfwLibrary.Dpy, _glfwWin.Win );
+
+    // Initialize GLX-specific OpenGL extensions
+    _glfwInitGLXExtensions();
+
+    return GL_TRUE;
+}
+
+
+//========================================================================
+// Properly kill the window/video display
+//========================================================================
+
+void _glfwPlatformCloseWindow( void )
+{
+#if defined( _GLFW_HAS_XRANDR )
+    XRRScreenConfiguration *sc;
+    Window root;
+#endif
+
+    // Free WM size hints
+    if( _glfwWin.Hints )
+    {
+	XFree( _glfwWin.Hints );
+	_glfwWin.Hints = NULL;
+    }
+
+    // Do we have a rendering context?
+    if( _glfwWin.CX )
+    {
+        // Release the context
+        glXMakeCurrent( _glfwLibrary.Dpy, None, NULL );
+
+        // Delete the context
+        glXDestroyContext( _glfwLibrary.Dpy, _glfwWin.CX );
+        _glfwWin.CX = NULL;
+    }
+
+    // Ungrab pointer and/or keyboard?
+    if( _glfwWin.KeyboardGrabbed )
+    {
+        XUngrabKeyboard( _glfwLibrary.Dpy, CurrentTime );
+        _glfwWin.KeyboardGrabbed = GL_FALSE;
+    }
+    if( _glfwWin.PointerGrabbed )
+    {
+        XUngrabPointer( _glfwLibrary.Dpy, CurrentTime );
+        _glfwWin.PointerGrabbed = GL_FALSE;
+    }
+
+    // Do we have a window?
+    if( _glfwWin.Win )
+    {
+        // Unmap the window
+        XUnmapWindow( _glfwLibrary.Dpy, _glfwWin.Win );
+
+        // Destroy the window
+        XDestroyWindow( _glfwLibrary.Dpy, _glfwWin.Win );
+        _glfwWin.Win = (Window) 0;
+    }
+
+    // Did we change the fullscreen resolution?
+    if( _glfwWin.FS.ModeChanged )
+    {
+#if defined( _GLFW_HAS_XRANDR )
+	if( _glfwLibrary.XRandR.Available )
+	{
+	    root = RootWindow( _glfwLibrary.Dpy, _glfwWin.Scrn );
+	    sc = XRRGetScreenInfo( _glfwLibrary.Dpy, root );
+
+	    XRRSetScreenConfig( _glfwLibrary.Dpy,
+	                        sc,
+				root,
+			        _glfwWin.FS.OldSizeID,
+				_glfwWin.FS.OldRotation,
+				CurrentTime );
+
+	    XRRFreeScreenConfigInfo( sc );
+	}
+#elif defined( _GLFW_HAS_XF86VIDMODE )
+        if( _glfwLibrary.XF86VidMode.Available )
+        {
+            // Unlock mode switch
+            XF86VidModeLockModeSwitch( _glfwLibrary.Dpy,
+                                       _glfwWin.Scrn,
+                                       0 );
+
+            // Change the video mode back to the old mode
+            XF86VidModeSwitchToMode( _glfwLibrary.Dpy,
+                _glfwWin.Scrn, &_glfwWin.FS.OldMode );
+        }
+#endif
+        _glfwWin.FS.ModeChanged = GL_FALSE;
+    }
+
+    // Did we change the screen saver setting?
+    if( _glfwWin.Saver.Changed )
+    {
+        // Restore old screen saver settings
+        XSetScreenSaver( _glfwLibrary.Dpy, _glfwWin.Saver.Timeout,
+                         _glfwWin.Saver.Interval, _glfwWin.Saver.Blanking,
+                         _glfwWin.Saver.Exposure );
+        _glfwWin.Saver.Changed = GL_FALSE;
+    }
+
+    XSync( _glfwLibrary.Dpy, True );
+}
+
+
+//========================================================================
+// _glfwPlatformSetWindowTitle() - Set the window title.
+//========================================================================
+
+void _glfwPlatformSetWindowTitle( const char *title )
+{
+    // Set window & icon title
+    XStoreName( _glfwLibrary.Dpy, _glfwWin.Win, title );
+    XSetIconName( _glfwLibrary.Dpy, _glfwWin.Win, title );
+}
+
+
+//========================================================================
+// _glfwPlatformSetWindowSize() - Set the window size.
+//========================================================================
+
+void _glfwPlatformSetWindowSize( int width, int height )
+{
+    int     mode = 0, rate, sizechanged = GL_FALSE;
+    GLint   drawbuffer;
+    GLfloat clearcolor[4];
+
+    rate = _glfwWin.RefreshRate;
+
+    // If we are in fullscreen mode, get some info about the current mode
+    if( _glfwWin.Fullscreen )
+    {
+        // Get closest match for target video mode
+        mode = _glfwGetClosestVideoMode( _glfwWin.Scrn, &width, &height, &rate );
+    }
+
+    if( _glfwWin.WindowNoResize )
+    {
+        _glfwWin.Hints->min_width = _glfwWin.Hints->max_width = width;
+        _glfwWin.Hints->min_height = _glfwWin.Hints->max_height = height;
+    }
+
+    XSetWMNormalHints( _glfwLibrary.Dpy, _glfwWin.Win, _glfwWin.Hints );
+
+    // Change window size before changing fullscreen mode?
+    if( _glfwWin.Fullscreen && (width > _glfwWin.Width) )
+    {
+        XResizeWindow( _glfwLibrary.Dpy, _glfwWin.Win, width, height );
+        sizechanged = GL_TRUE;
+    }
+
+    // Change fullscreen video mode?
+    if( _glfwWin.Fullscreen )
+    {
+        // Change video mode (keeping current rate)
+        _glfwSetVideoModeMODE( _glfwWin.Scrn, mode, _glfwWin.RefreshRate );
+
+        // Clear the front buffer to black (avoid ugly desktop remains in
+        // our OpenGL window)
+        glGetIntegerv( GL_DRAW_BUFFER, &drawbuffer );
+        glGetFloatv( GL_COLOR_CLEAR_VALUE, clearcolor );
+        glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
+        glClear( GL_COLOR_BUFFER_BIT );
+        if( drawbuffer == GL_BACK )
+        {
+            glXSwapBuffers( _glfwLibrary.Dpy, _glfwWin.Win );
+        }
+        glClearColor( clearcolor[0], clearcolor[1], clearcolor[2],
+                      clearcolor[3] );
+    }
+
+    // Set window size (if not already changed)
+    if( !sizechanged )
+    {
+        XResizeWindow( _glfwLibrary.Dpy, _glfwWin.Win, width, height );
+    }
+}
+
+
+//========================================================================
+// _glfwPlatformSetWindowPos() - Set the window position.
+//========================================================================
+
+void _glfwPlatformSetWindowPos( int x, int y )
+{
+    // Set window position
+    XMoveWindow( _glfwLibrary.Dpy, _glfwWin.Win, x, y );
+}
+
+
+//========================================================================
+// _glfwPlatformIconfyWindow() - Window iconification
+//========================================================================
+
+void _glfwPlatformIconifyWindow( void )
+{
+    // We can't do this for override redirect windows
+    if( _glfwWin.OverrideRedirect )
+    {
+        return;
+    }
+
+    // In fullscreen mode, we need to restore the desktop video mode
+    if( _glfwWin.Fullscreen )
+    {
+#if defined( _GLFW_HAS_XF86VIDMODE )
+        if( _glfwLibrary.XF86VidMode.Available )
+        {
+            // Unlock mode switch
+            XF86VidModeLockModeSwitch( _glfwLibrary.Dpy,
+                                       _glfwWin.Scrn,
+                                       0 );
+
+            // Change the video mode back to the old mode
+            XF86VidModeSwitchToMode( _glfwLibrary.Dpy,
+                _glfwWin.Scrn, &_glfwWin.FS.OldMode );
+        }
+#endif
+        _glfwWin.FS.ModeChanged = GL_FALSE;
+    }
+
+    // Show mouse pointer
+    if( _glfwWin.PointerHidden )
+    {
+        XUndefineCursor( _glfwLibrary.Dpy, _glfwWin.Win );
+        _glfwWin.PointerHidden = GL_FALSE;
+    }
+
+    // Un-grab mouse pointer
+    if( _glfwWin.PointerGrabbed )
+    {
+        XUngrabPointer( _glfwLibrary.Dpy, CurrentTime );
+        _glfwWin.PointerGrabbed = GL_FALSE;
+    }
+
+    // Iconify window
+    XIconifyWindow( _glfwLibrary.Dpy, _glfwWin.Win,
+                    _glfwWin.Scrn );
+
+    // Window is now iconified
+    _glfwWin.Iconified = GL_TRUE;
+}
+
+
+//========================================================================
+// Window un-iconification
+//========================================================================
+
+void _glfwPlatformRestoreWindow( void )
+{
+    // We can't do this for override redirect windows
+    if( _glfwWin.OverrideRedirect )
+    {
+        return;
+    }
+
+    // In fullscreen mode, change back video mode to user selected mode
+    if( _glfwWin.Fullscreen )
+    {
+        _glfwSetVideoMode( _glfwWin.Scrn,
+	                   &_glfwWin.Width, &_glfwWin.Height, &_glfwWin.RefreshRate );
+    }
+
+    // Un-iconify window
+    XMapWindow( _glfwLibrary.Dpy, _glfwWin.Win );
+
+    // In fullscreen mode...
+    if( _glfwWin.Fullscreen )
+    {
+        // Make sure window is in upper left corner
+        XMoveWindow( _glfwLibrary.Dpy, _glfwWin.Win, 0, 0 );
+
+        // Get input focus
+        XSetInputFocus( _glfwLibrary.Dpy, _glfwWin.Win, RevertToParent,
+                        CurrentTime );
+    }
+
+    // Lock mouse, if necessary
+    if( _glfwWin.MouseLock )
+    {
+        // Hide cursor
+        if( !_glfwWin.PointerHidden )
+        {
+            XDefineCursor( _glfwLibrary.Dpy, _glfwWin.Win,
+                           _glfwCreateNULLCursor( _glfwLibrary.Dpy,
+                                                  _glfwWin.Win ) );
+            _glfwWin.PointerHidden = GL_TRUE;
+        }
+
+        // Grab cursor
+        if( !_glfwWin.PointerGrabbed )
+        {
+            if( XGrabPointer( _glfwLibrary.Dpy, _glfwWin.Win, True,
+                              ButtonPressMask | ButtonReleaseMask |
+                              PointerMotionMask, GrabModeAsync,
+                              GrabModeAsync, _glfwWin.Win, None,
+                              CurrentTime ) == GrabSuccess )
+            {
+                _glfwWin.PointerGrabbed = GL_TRUE;
+            }
+        }
+    }
+
+    // Window is no longer iconified
+    _glfwWin.Iconified = GL_FALSE;
+}
+
+
+//========================================================================
+// _glfwPlatformSwapBuffers() - Swap buffers (double-buffering) and poll
+// any new events.
+//========================================================================
+
+void _glfwPlatformSwapBuffers( void )
+{
+    // Update display-buffer
+    glXSwapBuffers( _glfwLibrary.Dpy, _glfwWin.Win );
+}
+
+
+//========================================================================
+// _glfwPlatformSwapInterval() - Set double buffering swap interval
+//========================================================================
+
+void _glfwPlatformSwapInterval( int interval )
+{
+    if( _glfwWin.SwapInterval )
+    {
+        _glfwWin.SwapInterval( interval );
+    }
+}
+
+
+//========================================================================
+// _glfwPlatformRefreshWindowParams()
+//========================================================================
+
+void _glfwPlatformRefreshWindowParams( void )
+{
+#if defined( _GLFW_HAS_XRANDR )
+    XRRScreenConfiguration *sc;
+#elif defined( _GLFW_HAS_XF86VIDMODE )
+    XF86VidModeModeLine modeline;
+    int dotclock;
+    float pixels_per_second, pixels_per_frame;
+#endif
+    int sample_buffers;
+
+    // AFAIK, there is no easy/sure way of knowing if OpenGL is hardware
+    // accelerated
+    _glfwWin.Accelerated = GL_TRUE;
+
+    // "Standard" window parameters
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_RED_SIZE,
+                  &_glfwWin.RedBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_GREEN_SIZE,
+                  &_glfwWin.GreenBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_BLUE_SIZE,
+                  &_glfwWin.BlueBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_ALPHA_SIZE,
+                  &_glfwWin.AlphaBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_DEPTH_SIZE,
+                  &_glfwWin.DepthBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_STENCIL_SIZE,
+                  &_glfwWin.StencilBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_ACCUM_RED_SIZE,
+                  &_glfwWin.AccumRedBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_ACCUM_GREEN_SIZE,
+                  &_glfwWin.AccumGreenBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_ACCUM_BLUE_SIZE,
+                  &_glfwWin.AccumBlueBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_ACCUM_ALPHA_SIZE,
+                  &_glfwWin.AccumAlphaBits );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_AUX_BUFFERS,
+                  &_glfwWin.AuxBuffers );
+
+    // Get stereo rendering setting
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_STEREO,
+                  &_glfwWin.Stereo );
+    _glfwWin.Stereo = _glfwWin.Stereo ? 1 : 0;
+
+    // Get multisample buffer samples
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_SAMPLES,
+		  &_glfwWin.Samples );
+    glXGetConfig( _glfwLibrary.Dpy, _glfwWin.VI, GLX_SAMPLE_BUFFERS, 
+		  &sample_buffers );
+    if( sample_buffers == 0 )
+      _glfwWin.Samples = 0;
+    
+    // Default to refresh rate unknown (=0 according to GLFW spec)
+    _glfwWin.RefreshRate = 0;
+		  
+    // Retrieve refresh rate, if possible
+#if defined( _GLFW_HAS_XRANDR )
+    if( _glfwLibrary.XRandR.Available )
+    {
+	sc = XRRGetScreenInfo( _glfwLibrary.Dpy,
+	                       RootWindow( _glfwLibrary.Dpy, _glfwWin.Scrn ) );
+	_glfwWin.RefreshRate = XRRConfigCurrentRate( sc );
+	XRRFreeScreenConfigInfo( sc );
+    }
+#elif defined( _GLFW_HAS_XF86VIDMODE )
+    if( _glfwLibrary.XF86VidMode.Available )
+    {
+        // Use the XF86VidMode extension to get current video mode
+        XF86VidModeGetModeLine( _glfwLibrary.Dpy, _glfwWin.Scrn,
+                                &dotclock, &modeline );
+        pixels_per_second = 1000.0f * (float) dotclock;
+        pixels_per_frame  = (float) modeline.htotal * modeline.vtotal;
+        _glfwWin.RefreshRate = (int)(pixels_per_second/pixels_per_frame+0.5);
+    }
+#endif
+}
+
+
+//========================================================================
+// _glfwPlatformPollEvents() - Poll for new window and input events
+//========================================================================
+
+void _glfwPlatformPollEvents( void )
+{
+    int winclosed = GL_FALSE;
+
+    // Flag that the cursor has not moved
+    _glfwInput.MouseMoved = GL_FALSE;
+
+    // Clear MapNotify and FocusIn counts
+    _glfwWin.MapNotifyCount = 0;
+    _glfwWin.FocusInCount = 0;
+
+    // Use XSync to synchronise events to the X display.
+    // I don't know if this can have a serious performance impact. My
+    // benchmarks with a GeForce card under Linux shows no difference with
+    // or without XSync, but when the GL window is rendered over a slow
+    // network I have noticed bad event syncronisation problems when XSync
+    // is not used, so I decided to use it.
+    XSync( _glfwLibrary.Dpy, False );
+
+    // Empty the window event queue
+    while( XPending( _glfwLibrary.Dpy ) )
+    {
+        if( _glfwGetNextEvent() )
+        {
+            winclosed = GL_TRUE;
+        }
+    }
+
+    // Did we get mouse movement in locked cursor mode?
+    if( _glfwInput.MouseMoved && _glfwWin.MouseLock )
+    {
+        int maxx, minx, maxy, miny;
+
+        // Calculate movement threshold
+        minx = _glfwWin.Width / 4;
+        maxx = (_glfwWin.Width * 3) / 4;
+        miny = _glfwWin.Height / 4;
+        maxy = (_glfwWin.Height * 3) / 4;
+
+        // Did the mouse cursor move beyond our movement threshold
+        if(_glfwInput.CursorPosX < minx || _glfwInput.CursorPosX > maxx ||
+           _glfwInput.CursorPosY < miny || _glfwInput.CursorPosY > maxy)
+        {
+            // Move the mouse pointer back to the window center so that it
+            // does not wander off...
+            _glfwPlatformSetMouseCursorPos( _glfwWin.Width/2,
+                                            _glfwWin.Height/2 );
+            XSync( _glfwLibrary.Dpy, False );
+        }
+    }
+
+    // Was the window (un)iconified?
+    if( _glfwWin.MapNotifyCount < 0 && !_glfwWin.Iconified )
+    {
+        // Show mouse pointer
+        if( _glfwWin.PointerHidden )
+        {
+            XUndefineCursor( _glfwLibrary.Dpy, _glfwWin.Win );
+            _glfwWin.PointerHidden = GL_FALSE;
+        }
+
+        // Un-grab mouse pointer
+        if( _glfwWin.PointerGrabbed )
+        {
+            XUngrabPointer( _glfwLibrary.Dpy, CurrentTime );
+            _glfwWin.PointerGrabbed = GL_FALSE;
+        }
+
+        _glfwWin.Iconified = GL_TRUE;
+    }
+    else if( _glfwWin.MapNotifyCount > 0 && _glfwWin.Iconified )
+    {
+        // Restore fullscreen mode properties
+        if( _glfwWin.Fullscreen )
+        {
+            // Change back video mode to user selected mode
+            _glfwSetVideoMode( _glfwWin.Scrn, &_glfwWin.Width,
+                               &_glfwWin.Height, &_glfwWin.RefreshRate );
+
+            // Disable window manager decorations
+            _glfwEnableDecorations();
+
+            // Make sure window is in upper left corner
+            XMoveWindow( _glfwLibrary.Dpy, _glfwWin.Win, 0, 0 );
+
+            // Get input focus
+            XSetInputFocus( _glfwLibrary.Dpy, _glfwWin.Win,
+                            RevertToParent, CurrentTime );
+        }
+
+        // Hide cursor if necessary
+        if( _glfwWin.MouseLock && !_glfwWin.PointerHidden )
+        {
+            if( !_glfwWin.PointerHidden )
+            {
+                XDefineCursor( _glfwLibrary.Dpy, _glfwWin.Win,
+                    _glfwCreateNULLCursor( _glfwLibrary.Dpy,
+                                           _glfwWin.Win ) );
+                _glfwWin.PointerHidden = GL_TRUE;
+            }
+        }
+
+        // Grab cursor if necessary
+        if( (_glfwWin.MouseLock || _glfwWin.Fullscreen) &&
+            !_glfwWin.PointerGrabbed )
+        {
+            if( XGrabPointer( _glfwLibrary.Dpy, _glfwWin.Win, True,
+                    ButtonPressMask | ButtonReleaseMask |
+                    PointerMotionMask, GrabModeAsync,
+                    GrabModeAsync, _glfwWin.Win, None,
+                    CurrentTime ) == GrabSuccess )
+            {
+                _glfwWin.PointerGrabbed = GL_TRUE;
+            }
+        }
+
+        _glfwWin.Iconified = GL_FALSE;
+    }
+
+    // Did the window get/lose focus
+    if( _glfwWin.FocusInCount > 0 && !_glfwWin.Active )
+    {
+        // If we are in fullscreen mode, restore window
+        if( _glfwWin.Fullscreen && _glfwWin.Iconified )
+        {
+            _glfwPlatformRestoreWindow();
+        }
+
+        // Window is now active
+        _glfwWin.Active = GL_TRUE;
+    }
+    else if( _glfwWin.FocusInCount < 0 && _glfwWin.Active )
+    {
+        // If we are in fullscreen mode, iconfify window
+        if( _glfwWin.Fullscreen )
+        {
+            _glfwPlatformIconifyWindow();
+        }
+
+        // Window is not active
+        _glfwWin.Active = GL_FALSE;
+	_glfwInputDeactivation();
+    }
+
+    // Was there a window close request?
+    if( winclosed && _glfwWin.WindowCloseCallback )
+    {
+        // Check if the program wants us to close the window
+        winclosed = _glfwWin.WindowCloseCallback();
+    }
+    if( winclosed )
+    {
+        glfwCloseWindow();
+    }
+}
+
+
+//========================================================================
+// _glfwPlatformWaitEvents() - Wait for new window and input events
+//========================================================================
+
+void _glfwPlatformWaitEvents( void )
+{
+    XEvent event;
+
+    // Wait for new events (blocking)
+    XNextEvent( _glfwLibrary.Dpy, &event );
+    XPutBackEvent( _glfwLibrary.Dpy, &event );
+
+    // Poll events from queue
+    _glfwPlatformPollEvents();
+}
+
+
+//========================================================================
+// _glfwPlatformHideMouseCursor() - Hide mouse cursor (lock it)
+//========================================================================
+
+void _glfwPlatformHideMouseCursor( void )
+{
+    // Hide cursor
+    if( !_glfwWin.PointerHidden )
+    {
+        XDefineCursor( _glfwLibrary.Dpy, _glfwWin.Win,
+                       _glfwCreateNULLCursor( _glfwLibrary.Dpy,
+                                              _glfwWin.Win ) );
+        _glfwWin.PointerHidden = GL_TRUE;
+    }
+
+    // Grab cursor to user window
+    if( !_glfwWin.PointerGrabbed )
+    {
+        if( XGrabPointer( _glfwLibrary.Dpy, _glfwWin.Win, True,
+                          ButtonPressMask | ButtonReleaseMask |
+                          PointerMotionMask, GrabModeAsync, GrabModeAsync,
+                          _glfwWin.Win, None, CurrentTime ) ==
+            GrabSuccess )
+        {
+            _glfwWin.PointerGrabbed = GL_TRUE;
+        }
+    }
+}
+
+
+//========================================================================
+// _glfwPlatformShowMouseCursor() - Show mouse cursor (unlock it)
+//========================================================================
+
+void _glfwPlatformShowMouseCursor( void )
+{
+    // Un-grab cursor (only in windowed mode: in fullscreen mode we still
+    // want the mouse grabbed in order to confine the cursor to the window
+    // area)
+    if( _glfwWin.PointerGrabbed && !_glfwWin.Fullscreen )
+    {
+        XUngrabPointer( _glfwLibrary.Dpy, CurrentTime );
+        _glfwWin.PointerGrabbed = GL_FALSE;
+    }
+
+    // Show cursor
+    if( _glfwWin.PointerHidden )
+    {
+        XUndefineCursor( _glfwLibrary.Dpy, _glfwWin.Win );
+        _glfwWin.PointerHidden = GL_FALSE;
+    }
+}
+
+
+//========================================================================
+// _glfwPlatformSetMouseCursorPos() - Set physical mouse cursor position
+//========================================================================
+
+void _glfwPlatformSetMouseCursorPos( int x, int y )
+{
+    // Change cursor position
+    _glfwInput.CursorPosX = x;
+    _glfwInput.CursorPosY = y;
+    XWarpPointer( _glfwLibrary.Dpy, None, _glfwWin.Win, 0,0,0,0, x, y );
+}
+
author	Magnus Auvinen <magnus.auvinen@gmail.com>	2007-08-22 07:52:33 +0000
committer	Magnus Auvinen <magnus.auvinen@gmail.com>	2007-08-22 07:52:33 +0000
commit	8b3c16e6152a527f9aec1a88a9eed74119de7000 (patch)
tree	f0bde5cea15e696e42cade06a3b12ff6b13acc57 /src/engine/external/glfw/lib/x11
parent	9899666a7ce6679a3b9667ab09f615f4d0769c16 (diff)
download	zcatch-8b3c16e6152a527f9aec1a88a9eed74119de7000.tar.gz zcatch-8b3c16e6152a527f9aec1a88a9eed74119de7000.zip