[Settings/Run] LowLevel Keyboard hooking for Hotkeys (#3825)

* [Launcher/Settings] Low Level Keyboard Hooks

* [Run] LowLevel Keyboard Hook for Hotkeys

* Prevent shortcuts from auto repeating when keeping the keys pressed down

src/common/interop/KeyboardHook.h

@@ -0,0 +1,49 @@
+#pragma once
+
+using namespace System::Threading;
+using namespace System::Collections::Generic;
+
+namespace interop
+{
+public
+    ref struct KeyboardEvent
+    {
+        WPARAM message;
+        int key;
+    };
+
+public
+    delegate void KeyboardEventCallback(KeyboardEvent ^ ev);
+public
+    delegate bool IsActiveCallback();
+public
+    delegate bool FilterKeyboardEvent(KeyboardEvent ^ ev);
+
+public
+    ref class KeyboardHook
+    {
+    public:
+        KeyboardHook(
+            KeyboardEventCallback ^ keyboardEventCallback,
+            IsActiveCallback ^ isActiveCallback,
+            FilterKeyboardEvent ^ filterKeyboardEvent);
+        ~KeyboardHook();
+
+        void Start();
+
+    private:
+        delegate LRESULT HookProcDelegate(int nCode, WPARAM wParam, LPARAM lParam);
+        Thread ^ kbEventDispatch;
+        Queue<KeyboardEvent ^> ^ queue;
+        KeyboardEventCallback ^ keyboardEventCallback;
+        IsActiveCallback ^ isActiveCallback;
+        FilterKeyboardEvent ^ filterKeyboardEvent;
+        bool quit;
+        HHOOK hookHandle;
+        HookProcDelegate ^ hookProc;
+
+        void DispatchProc();
+        LRESULT CALLBACK HookProc(int nCode, WPARAM wParam, LPARAM lParam);
+    };
+
+}