private void OnPointerUp(GuiPointerEventArgs args)
        {
            if (Screen == null)
            {
                return;
            }

            var postFocusedControl = FindControlAtPoint(Screen.Controls, args.Position);

            if (_preFocusedControl == postFocusedControl)
            {
                var focusedControl = postFocusedControl;

                if (_focusedControl != focusedControl)
                {
                    if (_focusedControl != null)
                    {
                        _focusedControl.IsFocused = false;
                    }

                    _focusedControl = focusedControl;

                    if (_focusedControl != null)
                    {
                        _focusedControl.IsFocused = true;
                    }
                }
            }

            _preFocusedControl = null;
            _hoveredControl?.OnPointerUp(args);
        }