if not hasattr(window, 'hhotkey_hook'):
        from ctypes import Structure, windll, WINFUNCTYPE, cast, POINTER
        from ctypes import c_int, wintypes
        user32 = windll.user32

        class KBDLLHOOKSTRUCT(Structure):
            _fields_ = [
                ('vkCode', wintypes.DWORD),
                ('scanCode', wintypes.DWORD),
                ('flags', wintypes.DWORD),
                ('time', wintypes.DWORD),
                ('dwExtraInfo', c_int),
            ]

        def hhotkey(code, wp, lp):
            if code < 0 or wp != 0x100:
                return user32.CallNextHookEx(0, code, wp, lp)
            kbd = cast(lp, POINTER(KBDLLHOOKSTRUCT)).contents
            if kbd.vkCode == VK_SPACE and user32.GetKeyState(VK_LWIN) & 0x80:
                pyauto.Input.send([pyauto.KeyUp(VK_SPACE)])
                window.hotkey_Activate()
                return 1
            return user32.CallNextHookEx(0, code, wp, lp)

        def hhotkey_destroy():
            if window.hhotkey_hook:
                user32.UnhookWindowsHookEx(window.hhotkey_hook)
            window.old_destroy()

        hhotkey_type = WINFUNCTYPE(
            c_int, c_int, wintypes.WPARAM, wintypes.LPARAM)
        window.hhotkey_proc = hhotkey_type(hhotkey)
        window.hhotkey_hook = user32.SetWindowsHookExW(
            13, window.hhotkey_proc, 0, 0)
        window.old_destroy = window.destroy
        window.destroy = hhotkey_destroy