Added visual for InputOnly window X11Input

Source/OpenTK/Platform/Windows/WinRawInput.cs

@@ -141,10 +141,9 @@ namespace OpenTK.Platform.Windows
 
         public void ProcessEvents()
         {
-            // Do nothing, the WndProc is automatically notified of new events.
+            // Do nothing, the WndProc is automatically notified of new events (sub-classing magic).
         }
 
-
         #endregion
 
         #region IMouseDriver Members

Source/OpenTK/Platform/X11/WindowInfo.cs

@@ -23,11 +23,13 @@ namespace OpenTK.Platform.X11
         private IntPtr rootWindow, handle, topLevelWindow, display;
         private int screen;
         private WindowInfo parent;
+        private VisualInfo visinfo;
 
         internal IntPtr RootWindow { get { return rootWindow; } set { rootWindow = value; } }
         internal IntPtr TopLevelWindow { get { return topLevelWindow; } set { topLevelWindow = value; } }
         internal IntPtr Display { get { return display; } set { display = value; } }
         internal int Screen { get { return screen; } set { screen = value; } }
+        internal VisualInfo VisualInfo { get { return visinfo; } set { visinfo = value; } }
 
         public IntPtr Handle { get { return handle; } internal set { handle = value; } }
         public IWindowInfo Parent { get { return parent; } internal set { parent = value as WindowInfo; } }

Source/OpenTK/Platform/X11/X11GLContext.cs

@@ -184,7 +184,7 @@ namespace OpenTK.Platform.X11
 
         #region public void CreateVisual()
 
-        public void CreateVisual()
+        internal VisualInfo CreateVisual()
         {
             Debug.WriteLine("Creating visual.");
             Debug.Indent();
@@ -244,6 +244,8 @@ namespace OpenTK.Platform.X11
 
             Debug.Print("done! (id: {0})", x11context);
             Debug.Unindent();
+
+            return visualInfo;
         }
 
         #endregion

Source/OpenTK/Platform/X11/X11GLNative.cs

@@ -99,7 +99,7 @@ namespace OpenTK.Platform.X11
             );
 
             glContext = new X11GLContext(info, mode);
-            glContext.CreateVisual();
+            info.VisualInfo = glContext.CreateVisual();
 
             // Create a window on this display using the visual above
             Debug.Write("Creating output window... ");

Source/OpenTK/Platform/X11/X11Input.cs

@@ -56,14 +56,9 @@ namespace OpenTK.Platform.X11
                 window.Parent.Handle,
                 0, 0,
                 1, 1,
-                0,
-                //glxVisualInfo.depth,
-                //glContext.XVisualInfo.depth,
-                0,
+                0, 0,
                 Constants.InputOnly,
-                //glxVisualInfo.visual,
-                //glContext.XVisualInfo.visual,
-                IntPtr.Zero,
+                window.VisualInfo.visual,
                 cw_mask,
                 wnd_attributes
             );