/* RetroArch - A frontend for libretro.
 * Copyright (C) 2011-2015 - Daniel De Matteis
 *
 * RetroArch is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Found-
 * ation, either version 3 of the License, or (at your option) any later version.
 *
 * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE. See the GNU General Public License for more details.
 * * You should have received a copy of the GNU General Public License along with RetroArch.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#ifdef _XBOX
#include <xtl.h>
#else
#include <windows.h>
#endif
#include <retro_miscellaneous.h>
#include "../frontend_driver.h"
#include "../../dynamic.h"

#include <stdint.h>
#include <boolean.h>
#include <stddef.h>
#include <string.h>

static void frontend_win32_get_os(char *name, size_t sizeof_name, int *major, int *minor)
{
	uint32_t version = GetVersion();

	*major   = (DWORD)(LOBYTE(LOWORD(version)));
	*minor   = (DWORD)(HIBYTE(LOWORD(version)));
}

static void frontend_win32_init(void *data)
{
	typedef BOOL (WINAPI *isProcessDPIAwareProc)();
	typedef BOOL (WINAPI *setProcessDPIAwareProc)();
	HMODULE handle                         = GetModuleHandle(TEXT("User32.dll"));
	isProcessDPIAwareProc  isDPIAwareProc  = (isProcessDPIAwareProc)dylib_proc(handle, "IsProcessDPIAware");
	setProcessDPIAwareProc setDPIAwareProc = (setProcessDPIAwareProc)dylib_proc(handle, "SetProcessDPIAware");

	if (isDPIAwareProc)
	{
		fprintf(stderr, "Is DPI aware...\n");
		if (!isDPIAwareProc())
		{
			if (setDPIAwareProc)
			{
				fprintf(stderr, "Set DPI aware.\n");
				setDPIAwareProc();
			}
		}
	}
}

const frontend_ctx_driver_t frontend_ctx_win32 = {
   NULL,						   /* environment_get */
   frontend_win32_init,            /* init */
   NULL,                           /* deinit */
   NULL,                           /* exitspawn */
   NULL,                           /* process_args */
   NULL,                           /* exec */
   NULL,                           /* set_fork */
   NULL,                           /* shutdown */
   NULL,                           /* get_name */
   frontend_win32_get_os,          /* get_os */
   NULL,                           /* get_rating */
   NULL,                           /* load_content */
   "win32",
};