[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/HotkeyManager.h

@@ -0,0 +1,57 @@
+#pragma once
+#include <Windows.h>
+#include "KeyboardHook.h"
+
+namespace interop
+{
+public
+    ref struct Hotkey
+    {
+        bool Win;
+        bool Ctrl;
+        bool Shift;
+        bool Alt;
+        unsigned char Key;
+
+        Hotkey()
+        {
+            Win = false;
+            Ctrl = false;
+            Shift = false;
+            Alt = false;
+            Key = 0;
+        }
+    };
+
+public
+    delegate void HotkeyCallback();
+
+typedef unsigned short HOTKEY_HANDLE;
+
+public
+    ref class HotkeyManager
+    {
+    public:
+        HotkeyManager();
+        ~HotkeyManager();
+
+        HOTKEY_HANDLE RegisterHotkey(Hotkey ^ hotkey, HotkeyCallback ^ callback);
+        void UnregisterHotkey(HOTKEY_HANDLE handle);
+
+    private:
+        KeyboardHook ^ keyboardHook;
+        Dictionary<HOTKEY_HANDLE, HotkeyCallback ^> ^ hotkeys;
+        Hotkey ^ pressedKeys;
+        KeyboardEventCallback ^ keyboardEventCallback;
+        IsActiveCallback ^ isActiveCallback;
+        FilterKeyboardEvent ^ filterKeyboardCallback;
+
+
+        void KeyboardEventProc(KeyboardEvent ^ ev);
+        bool IsActiveProc();
+        bool FilterKeyboardProc(KeyboardEvent ^ ev);
+        HOTKEY_HANDLE GetHotkeyHandle(Hotkey ^ hotkey);
+        void UpdatePressedKeys(KeyboardEvent ^ ev);
+        void UpdatePressedKey(DWORD code, bool replaceWith, unsigned char replaceWithKey);
+    };
+}