Added key-position, initialized keyboard with available keys

Devices/Keyboard/CorsairKeyboard.cs

@@ -1,8 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Drawing;
+using System.Runtime.InteropServices;
 using CUE.NET.Devices.Generic;
 using CUE.NET.Devices.Keyboard.Enums;
 using CUE.NET.Devices.Keyboard.Keys;
+using CUE.NET.Native;
 
 namespace CUE.NET.Devices.Keyboard
 {
@@ -41,8 +44,17 @@ namespace CUE.NET.Devices.Keyboard
 
         private void InitializeKeys()
         {
-            foreach (CorsairKeyboardKeyId keyId in Enum.GetValues(typeof(CorsairKeyboardKeyId)))
-                _keys.Add(keyId, new CorsairKey(keyId, GetLed((int)keyId)));
+            _CorsairLedPositions nativeLedPositions = (_CorsairLedPositions)Marshal.PtrToStructure(_CUESDK.CorsairGetLedPositions(), typeof(_CorsairLedPositions));
+            int structSize = Marshal.SizeOf(typeof(_CorsairLedPosition));
+            IntPtr ptr = nativeLedPositions.pLedPosition;
+            for (int i = 0; i < nativeLedPositions.numberOfLed; i++)
+            {
+                _CorsairLedPosition ledPosition = Marshal.PtrToStructure<_CorsairLedPosition>(ptr);
+                _keys.Add(ledPosition.ledId, new CorsairKey(ledPosition.ledId, GetLed((int)ledPosition.ledId),
+                //TODO DarthAffe 19.09.2015: Is something like RectangleD needed? I don't think so ...
+                    new RectangleF((float)ledPosition.top, (float)ledPosition.left, (float)ledPosition.width, (float)ledPosition.height)));
+                ptr = new IntPtr(ptr.ToInt64() + structSize);
+            }
         }
 
         #endregion

Devices/Keyboard/Keys/CorsairKey.cs

@@ -1,4 +1,5 @@
-using CUE.NET.Devices.Generic;
+using System.Drawing;
+using CUE.NET.Devices.Generic;
 using CUE.NET.Devices.Keyboard.Enums;
 
 namespace CUE.NET.Devices.Keyboard.Keys
@@ -9,15 +10,17 @@ namespace CUE.NET.Devices.Keyboard.Keys
 
         public CorsairKeyboardKeyId KeyId { get; }
         public CorsairLed Led { get; }
+        public RectangleF KeyRectangle { get; }
 
         #endregion
 
         #region Constructors
 
-        internal CorsairKey(CorsairKeyboardKeyId keyId, CorsairLed led)
+        internal CorsairKey(CorsairKeyboardKeyId keyId, CorsairLed led, RectangleF keyRectangle)
         {
             this.KeyId = keyId;
             this.Led = led;
+            this.KeyRectangle = keyRectangle;
         }
 
         #endregion

Native/_CUESDK.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Runtime.InteropServices;
 using CUE.NET.Devices.Generic.Enums;
+using CUE.NET.Devices.Keyboard.Enums;
 
 namespace CUE.NET.Native
 {
@@ -52,7 +53,7 @@ namespace CUE.NET.Native
         [DllImport("CUESDK_2013.dll", CallingConvention = CallingConvention.Cdecl)]
 #endif
         // retrieves led id for key name taking logical layout into account.
-        internal static extern int CorsairGetLedIdForKeyName(char keyName);
+        internal static extern CorsairKeyboardKeyId CorsairGetLedIdForKeyName(char keyName);
 
 #if WIN64
         [DllImport("CUESDK.x64_2013.dll", CallingConvention = CallingConvention.Cdecl)]

Native/_CorsairLedPosition.cs

@@ -3,17 +3,18 @@
 #pragma warning disable 649 // Field 'x' is never assigned
 
 using System.Runtime.InteropServices;
+using CUE.NET.Devices.Keyboard.Enums;
 
 namespace CUE.NET.Native
 {
     // ReSharper disable once InconsistentNaming
     [StructLayout(LayoutKind.Sequential)]
-    internal class _CorsairLedPosition // contains led id and position of led rectangle.Most of the keys are rectangular. In case if key is not rectangular(like Enter in ISO / UK layout) it returns the smallest rectangle that fully contains the key
+    internal class _CorsairLedPosition       // contains led id and position of led rectangle.Most of the keys are rectangular. In case if key is not rectangular(like Enter in ISO / UK layout) it returns the smallest rectangle that fully contains the key
     {
-        internal int ledId;          // identifier of led
+        internal CorsairKeyboardKeyId ledId; // identifier of led
         internal double top;
         internal double left;
         internal double height;
-        internal double width;   	 // values in mm
+        internal double width;   	         // values in mm
     }
 }