Move solution and projects to src

src/Ryujinx.Input/IKeyboard.cs

@@ -0,0 +1,41 @@
+using System.Runtime.CompilerServices;
+
+namespace Ryujinx.Input
+{
+    /// <summary>
+    /// Represent an emulated keyboard.
+    /// </summary>
+    public interface IKeyboard : IGamepad
+    {
+        /// <summary>
+        /// Check if a given key is pressed on the keyboard.
+        /// </summary>
+        /// <param name="key">The key</param>
+        /// <returns>True if the given key is pressed on the keyboard</returns>
+        bool IsPressed(Key key);
+
+        /// <summary>
+        /// Get a snaphost of the state of the keyboard.
+        /// </summary>
+        /// <returns>A snaphost of the state of the keyboard.</returns>
+        KeyboardStateSnapshot GetKeyboardStateSnapshot();
+
+        /// <summary>
+        /// Get a snaphost of the state of a keyboard.
+        /// </summary>
+        /// <param name="keyboard">The keyboard to do a snapshot of</param>
+        /// <returns>A snaphost of the state of the keyboard.</returns>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        static KeyboardStateSnapshot GetStateSnapshot(IKeyboard keyboard)
+        {
+            bool[] keysState = new bool[(int)Key.Count];
+
+            for (Key key = 0; key < Key.Count; key++)
+            {
+                keysState[(int)key] = keyboard.IsPressed(key);
+            }
+
+            return new KeyboardStateSnapshot(keysState);
+        }
+    }
+}