Added an event to get the key-change of special keys (G and M)

CUE.NET.csproj

@@ -59,6 +59,7 @@
     <Compile Include="Devices\Generic\Enums\CorsairAccessMode.cs" />
     <Compile Include="Devices\Generic\Enums\CorsairDeviceCaps.cs" />
     <Compile Include="Devices\Generic\Enums\CorsairDeviceType.cs" />
+    <Compile Include="Devices\Generic\Enums\CorsairKeyId.cs" />
     <Compile Include="Devices\Generic\Enums\CorsairLedId.cs" />
     <Compile Include="Devices\Generic\EventArgs\ExceptionEventArgs.cs" />
     <Compile Include="Brushes\AbstractBrush.cs" />
@@ -71,6 +72,8 @@
     <Compile Include="Devices\HeadsetStand\CorsairHeadsetStandDeviceInfo.cs" />
     <Compile Include="Devices\HeadsetStand\Enums\CorsairHeadsetStandLedId.cs" />
     <Compile Include="Devices\Keyboard\Enums\BrushCalculationMode.cs" />
+    <Compile Include="Devices\Keyboard\Enums\CorsairKeyboardKeyId.cs" />
+    <Compile Include="Devices\Mouse\Enums\CorsairMouseKeyId.cs" />
     <Compile Include="Effects\AbstractLedGroupEffect.cs" />
     <Compile Include="Effects\AbstractBrushEffect.cs" />
     <Compile Include="Effects\AbstractEffectTarget.cs" />
@@ -79,6 +82,7 @@
     <Compile Include="Devices\Mousemat\CorsairMousematDeviceInfo.cs" />
     <Compile Include="Devices\Mousemat\Enums\CorsairMousematLedId.cs" />
     <Compile Include="Effects\MoveGradientEffect.cs" />
+    <Compile Include="EventArgs\KeyPressedEventArgs.cs" />
     <Compile Include="Gradients\AbstractGradient.cs" />
     <Compile Include="Gradients\GradientStop.cs" />
     <Compile Include="Gradients\IGradient.cs" />

CueSDK.cs

@@ -1,6 +1,7 @@
 // ReSharper disable MemberCanBePrivate.Global
 // ReSharper disable UnusedMember.Global
 
+using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Runtime.InteropServices;
@@ -12,6 +13,7 @@
 using CUE.NET.Devices.Keyboard;
 using CUE.NET.Devices.Mouse;
 using CUE.NET.Devices.Mousemat;
+using CUE.NET.EventArgs;
 using CUE.NET.Exceptions;
 using CUE.NET.Native;
 
@@ -100,6 +102,20 @@ public static partial class CueSDK
 
         // ReSharper restore UnusedAutoPropertyAccessor.Global
 
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate void OnKeyPressedDelegate(IntPtr context, CorsairKeyId keyId, [MarshalAs(UnmanagedType.I1)] bool pressed);
+        private static readonly OnKeyPressedDelegate _onKeyPressedDelegate = OnKeyPressed;
+
+        #endregion
+
+        #region Events
+
+        /// <summary>
+        /// Occurs when the SDK reports that a key is pressed.
+        /// Notice that right now only G- (keyboard) and M- (mouse) keys are supported.
+        /// </summary>
+        public static event EventHandler<KeyPressedEventArgs> KeyPressed;
+
         #endregion
 
         #region Methods
@@ -231,6 +247,11 @@ public static void Initialize(bool exclusiveAccess = false)
                     Throw(error, true);
             }
 
+            _CUESDK.CorsairRegisterKeypressCallback(Marshal.GetFunctionPointerForDelegate(_onKeyPressedDelegate), IntPtr.Zero);
+            error = LastError;
+            if (error != CorsairError.Success)
+                Throw(error, false);
+
             InitializedDevices = new ReadOnlyCollection<ICueDevice>(devices);
 
             IsInitialized = true;
@@ -322,6 +343,11 @@ public static void Reinitialize(bool exclusiveAccess)
                     || HeadsetStandSDK.HeadsetStandDeviceInfo.Model != reloadedDevices[CorsairDeviceType.HeadsetStand].Model)
                     throw new WrapperException("The previously loaded Headset Stand got disconnected.");
 
+            _CUESDK.CorsairRegisterKeypressCallback(Marshal.GetFunctionPointerForDelegate(_onKeyPressedDelegate), IntPtr.Zero);
+            error = LastError;
+            if (error != CorsairError.Success)
+                Throw(error, false);
+
             IsInitialized = true;
         }
 
@@ -342,6 +368,9 @@ private static void Throw(CorsairError error, bool reset)
             throw new CUEException(error);
         }
 
+        private static void OnKeyPressed(IntPtr context, CorsairKeyId keyId, bool pressed)
+            => KeyPressed?.Invoke(null, new KeyPressedEventArgs(keyId, pressed));
+
         #endregion
     }
 }

Devices/Generic/Enums/CorsairKeyId.cs

@@ -0,0 +1,46 @@
+// ReSharper disable InconsistentNaming
+
+#pragma warning disable 1591 // Missing XML comment for publicly visible type or member
+
+namespace CUE.NET.Devices.Generic.Enums
+{
+    /// <summary>
+    /// Contains list of all KeyIds available for all corsair devices.
+    /// </summary>
+    public enum CorsairKeyId
+    {
+        Invalid = 0,
+
+        G1 = 1,
+        G2 = 2,
+        G3 = 3,
+        G4 = 4,
+        G5 = 5,
+        G6 = 6,
+        G7 = 7,
+        G8 = 8,
+        G9 = 9,
+        G10 = 10,
+        G11 = 11,
+        G12 = 12,
+        G13 = 13,
+        G14 = 14,
+        G15 = 15,
+        G16 = 16,
+        G17 = 17,
+        G18 = 18,
+
+        M1 = 19,
+        M2 = 20,
+        M3 = 21,
+        M4 = 22,
+        M5 = 23,
+        M6 = 24,
+        M7 = 25,
+        M8 = 26,
+        M9 = 27,
+        M10 = 28,
+        M11 = 29,
+        M12 = 30,
+    }
+}

Devices/Keyboard/Enums/CorsairKeyboardKeyId.cs

@@ -0,0 +1,36 @@
+// ReSharper disable UnusedMember.Global
+// ReSharper disable InconsistentNaming
+
+#pragma warning disable 1591 // Missing XML comment for publicly visible type or member
+
+using CUE.NET.Devices.Generic.Enums;
+
+namespace CUE.NET.Devices.Keyboard.Enums
+{
+    /// <summary>
+    /// Contains list of all LEDs available for corsair keyboards.
+    /// </summary>
+    public static class CorsairKeyboardKeyId
+    {
+        public const CorsairKeyId Invalid = CorsairKeyId.Invalid;
+
+        public const CorsairKeyId G1 = CorsairKeyId.G1;
+        public const CorsairKeyId G2 = CorsairKeyId.G2;
+        public const CorsairKeyId G3 = CorsairKeyId.G3;
+        public const CorsairKeyId G4 = CorsairKeyId.G4;
+        public const CorsairKeyId G5 = CorsairKeyId.G5;
+        public const CorsairKeyId G6 = CorsairKeyId.G6;
+        public const CorsairKeyId G7 = CorsairKeyId.G7;
+        public const CorsairKeyId G8 = CorsairKeyId.G8;
+        public const CorsairKeyId G9 = CorsairKeyId.G9;
+        public const CorsairKeyId G10 = CorsairKeyId.G10;
+        public const CorsairKeyId G11 = CorsairKeyId.G11;
+        public const CorsairKeyId G12 = CorsairKeyId.G12;
+        public const CorsairKeyId G13 = CorsairKeyId.G13;
+        public const CorsairKeyId G14 = CorsairKeyId.G14;
+        public const CorsairKeyId G15 = CorsairKeyId.G15;
+        public const CorsairKeyId G16 = CorsairKeyId.G16;
+        public const CorsairKeyId G17 = CorsairKeyId.G17;
+        public const CorsairKeyId G18 = CorsairKeyId.G18;
+    }
+}

Devices/Mouse/Enums/CorsairMouseKeyId.cs

@@ -0,0 +1,30 @@
+// ReSharper disable UnusedMember.Global
+// ReSharper disable InconsistentNaming
+
+#pragma warning disable 1591 // Missing XML comment for publicly visible type or member
+
+using CUE.NET.Devices.Generic.Enums;
+
+namespace CUE.NET.Devices.Mouse.Enums
+{
+    /// <summary>
+    /// Contains list of all LEDs available for corsair mice.
+    /// </summary>
+    public static class CorsairMouseKeyId
+    {
+        public const CorsairKeyId Invalid = CorsairKeyId.Invalid;
+
+        public const CorsairKeyId M1 = CorsairKeyId.M1;
+        public const CorsairKeyId M2 = CorsairKeyId.M2;
+        public const CorsairKeyId M3 = CorsairKeyId.M3;
+        public const CorsairKeyId M4 = CorsairKeyId.M4;
+        public const CorsairKeyId M5 = CorsairKeyId.M5;
+        public const CorsairKeyId M6 = CorsairKeyId.M6;
+        public const CorsairKeyId M7 = CorsairKeyId.M7;
+        public const CorsairKeyId M8 = CorsairKeyId.M8;
+        public const CorsairKeyId M9 = CorsairKeyId.M9;
+        public const CorsairKeyId M10 = CorsairKeyId.M10;
+        public const CorsairKeyId M11 = CorsairKeyId.M11;
+        public const CorsairKeyId M12 = CorsairKeyId.M12;
+    }
+}

EventArgs/KeyPressedEventArgs.cs

@@ -0,0 +1,41 @@
+// ReSharper disable MemberCanBePrivate.Global
+
+using CUE.NET.Devices.Generic.Enums;
+
+namespace CUE.NET.EventArgs
+{
+    /// <summary>
+    ///  Represents the data provided by the <see cref="CueSDK.KeyPressed"/>-event.
+    /// </summary>
+    public class KeyPressedEventArgs : System.EventArgs
+    {
+        #region Properties & Fields
+
+        /// <summary>
+        /// Gets the id of the key.
+        /// </summary>
+        public CorsairKeyId KeyId { get; }
+
+        /// <summary>
+        /// Gets the current status of the key (true = pressed, flase = released).
+        /// </summary>
+        public bool IsPressed { get; }
+
+        #endregion
+
+        #region Constructors
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="KeyPressedEventArgs"/> class.
+        /// </summary>
+        /// <param name="keyId">The id of the key.</param>
+        /// <param name="isPressed">The current status of the key (true = pressed, flase = released).</param>
+        public KeyPressedEventArgs(CorsairKeyId keyId, bool isPressed)
+        {
+            this.KeyId = keyId;
+            this.IsPressed = isPressed;
+        }
+
+        #endregion
+    }
+}

Examples/SimpleDevTest/Program.cs

@@ -39,6 +39,8 @@ public static void Main(string[] args)
                 CueSDK.Initialize();
                 Console.WriteLine("Initialized with " + CueSDK.LoadedArchitecture + "-SDK");
 
+                CueSDK.KeyPressed += (sender, eventArgs) => Console.WriteLine($"Key {eventArgs.KeyId} {(eventArgs.IsPressed ? "pressed" : "released")}");
+
                 //CueSDK.KeyboardSDK.Brush = (SolidColorBrush)Color.Black;
                 //CueSDK.KeyboardSDK[CorsairLedId.Z].Color = Color.Red;
                 //CueSDK.KeyboardSDK[CorsairLedId.Z].IsLocked = true;

Native/_CUESDK.cs

@@ -63,6 +63,7 @@ private static void LoadCUESDK()
             _corsairReleaseControlPointer = (CorsairReleaseControlPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairReleaseControl"), typeof(CorsairReleaseControlPointer));
             _corsairPerformProtocolHandshakePointer = (CorsairPerformProtocolHandshakePointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairPerformProtocolHandshake"), typeof(CorsairPerformProtocolHandshakePointer));
             _corsairGetLastErrorPointer = (CorsairGetLastErrorPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairGetLastError"), typeof(CorsairGetLastErrorPointer));
+            _corsairRegisterKeypressCallbackPointer = (CorsairRegisterKeypressCallbackPointer)Marshal.GetDelegateForFunctionPointer(GetProcAddress(_dllHandle, "CorsairRegisterKeypressCallback"), typeof(CorsairRegisterKeypressCallbackPointer));
         }
 
         private static void UnloadCUESDK()
@@ -100,6 +101,7 @@ private static void UnloadCUESDK()
         private static CorsairReleaseControlPointer _corsairReleaseControlPointer;
         private static CorsairPerformProtocolHandshakePointer _corsairPerformProtocolHandshakePointer;
         private static CorsairGetLastErrorPointer _corsairGetLastErrorPointer;
+        private static CorsairRegisterKeypressCallbackPointer _corsairRegisterKeypressCallbackPointer;
 
         #endregion
 
@@ -138,6 +140,9 @@ private static void UnloadCUESDK()
         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
         private delegate CorsairError CorsairGetLastErrorPointer();
 
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        private delegate bool CorsairRegisterKeypressCallbackPointer(IntPtr callback, IntPtr context);
+
         #endregion
 
         // ReSharper disable EventExceptionNotDocumented
@@ -231,6 +236,11 @@ internal static CorsairError CorsairGetLastError()
             return _corsairGetLastErrorPointer();
         }
 
+        internal static bool CorsairRegisterKeypressCallback(IntPtr callback, IntPtr context)
+        {
+            return _corsairRegisterKeypressCallbackPointer(callback, context);
+        }
+
         // ReSharper restore EventExceptionNotDocumented
 
         #endregion