Added X11Mouse driver.

Source/OpenTK/Platform/X11/API.cs

@@ -1065,4 +1065,35 @@ XF86VidModeGetGammaRampSize(
 
 
     #endregion
+
+    public enum MouseMask
+    {
+        Button1MotionMask = (1 << 8),
+        Button2MotionMask = (1 << 9),
+        Button3MotionMask = (1 << 10),
+        Button4MotionMask = (1 << 11),
+        Button5MotionMask = (1 << 12),
+        Button1Mask = (1 << 8),
+        Button2Mask = (1 << 9),
+        Button3Mask = (1 << 10),
+        Button4Mask = (1 << 11),
+        Button5Mask = (1 << 12),
+        ShiftMask = (1 << 0),
+        LockMask = (1 << 1),
+        ControlMask = (1 << 2),
+        Mod1Mask = (1 << 3),
+        Mod2Mask = (1 << 4),
+        Mod3Mask = (1 << 5),
+        Mod4Mask = (1 << 6),
+        Mod5Mask = (1 << 7),
+    }
+
+    public enum MouseButton
+    {
+        Button1 = 1,
+        Button2 = 2,
+        Button3 = 3,
+        Button4 = 4,
+        Button5 = 5,
+    }
 }

Source/OpenTK/Platform/X11/X11Input.cs

@@ -135,6 +135,14 @@ namespace OpenTK.Platform.X11
             {
                 keyboardDriver.ProcessKeyboardEvent(e.KeyEvent);
             }
+            while (API.CheckMaskEvent(window.Display, EventMask.ButtonPressMask | EventMask.ButtonPressMask, ref e))
+            {
+                mouseDriver.ProcessButton(e.ButtonEvent);
+            }
+            while (API.CheckMaskEvent(window.Display, EventMask.PointerMotionMask | EventMask.PointerMotionHintMask, ref e))
+            {
+                mouseDriver.ProcessMotion(e.MotionEvent);
+            }
             /*
             if (API.Pending(window.Display) > 0)
             {

Source/OpenTK/Platform/X11/X11Mouse.cs

@@ -25,6 +25,15 @@ namespace OpenTK.Platform.X11
         public X11Mouse(WindowInfo window)
         {
             this.window = window;
+
+            // Just create one mouse now.
+            // TODO: support for multiple devices through evdev.
+            Mouse m = new Mouse();
+            m.Description = "Default X11 mouse";
+            m.DeviceID = IntPtr.Zero;
+            m.NumberOfButtons = 5;
+            m.NumberOfWheels = 1;
+            mice.Add(m);
         }
 
         #endregion
@@ -33,14 +42,39 @@ namespace OpenTK.Platform.X11
 
         public IList<Mouse> Mouse
         {
-            get {  }
+            get { return mice; }
-        }
-
-        public int RegisterDevices()
-        {
-            throw new Exception("The method or operation is not implemented.");
         }
 
         #endregion
+
+        /// <summary>
+        /// Processes XButtonEvents.
+        /// </summary>
+        /// <param name="e">The X11.XButtonEvent to process.</param>
+        /// <returns>True if the event was processed, false otherwise.</returns>
+        internal bool ProcessButton(X11.XButtonEvent e)
+        {
+            Mouse m = mice[0];
+            bool pressed = e.type == XEventName.ButtonPress;
+            if ((e.state & (int)X11.MouseMask.Button1Mask) != 0) m[OpenTK.Input.MouseButton.Button1] = pressed;
+            if ((e.state & (int)X11.MouseMask.Button2Mask) != 0) m[OpenTK.Input.MouseButton.Button2] = pressed;
+            if ((e.state & (int)X11.MouseMask.Button3Mask) != 0) m[OpenTK.Input.MouseButton.Button3] = pressed;
+            if ((e.state & (int)X11.MouseMask.Button4Mask) != 0) m[OpenTK.Input.MouseButton.Button4] = pressed;
+            if ((e.state & (int)X11.MouseMask.Button5Mask) != 0) m[OpenTK.Input.MouseButton.Button5] = pressed;
+            return true;
+        }
+
+        /// <summary>
+        /// Processes XMotionEvents.
+        /// </summary>
+        /// <param name="e">The X11.XMotionEvent to process.</param>
+        /// <returns>True if the event was processed, false otherwise.</returns>
+        internal bool ProcessMotion(X11.XMotionEvent e)
+        {
+            Mouse m = mice[0];
+            m.X = e.x;
+            m.Y = e.y;
+            return true;
+        }
     }
 }