inc/xrt: Add a header for minimally including Windows.h

src/xrt/include/xrt/xrt_windows.h

@@ -0,0 +1,49 @@
+// Copyright 2020, Collabora, Ltd.
+// SPDX-License-Identifier: BSL-1.0
+/*!
+ * @file
+ * @brief  A minimal way to include Windows.h.
+ * @author Ryan Pavlik <ryan.pavlik@collabora.com>
+ * @ingroup xrt_iface
+ */
+
+#pragma once
+
+#include "xrt_config_os.h"
+
+#ifdef XRT_OS_WINDOWS
+#ifndef NOBITMAP
+#define NOBITMAP
+#endif // !NOBITMAP
+
+#ifndef NODRAWTEXT
+#define NODRAWTEXT
+#endif // !NODRAWTEXT
+
+#ifndef NOGDI
+#define NOGDI
+#endif // !NOGDI
+
+#ifndef NOHELP
+#define NOHELP
+#endif // !NOHELP
+
+#ifndef NOMCX
+#define NOMCX
+#endif // !NOMCX
+
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif // !NOMINMAX
+
+#ifndef NOSERVICE
+#define NOSERVICE
+#endif // !NOSERVICE
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif // !WIN32_LEAN_AND_MEAN
+
+#include <Windows.h>
+
+#endif // XRT_OS_WINDOWS