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RetroArch/frontend/drivers/platform_win32.c
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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2019 - Brad Parker
* Copyright (C) 2018-2019 - Andrés Suárez
*
* 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/>.
*/
#include <stdint.h>
#include <stddef.h>
#include <string.h>
#include <retro_miscellaneous.h>
#include <windows.h>
#if defined(_WIN32) && !defined(_XBOX)
#include <process.h>
#endif
#include <boolean.h>
#include <compat/strl.h>
#include <dynamic/dylib.h>
#include <lists/file_list.h>
#include <file/file_path.h>
#include <string/stdstring.h>
#include <encodings/utf.h>
#include <features/features_cpu.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifdef HAVE_MENU
#include "../../menu/menu_driver.h"
#endif
#include "../frontend_driver.h"
#include "../../configuration.h"
#include "../../defaults.h"
#include "../../paths.h"
#include "../../msg_hash.h"
#include "../../verbosity.h"
#include "../../ui/drivers/ui_win32.h"
#include "platform_win32.h"
#ifdef HAVE_SAPI
#define COBJMACROS
#include <sapi.h>
#include <ole2.h>
#endif
#ifndef SM_SERVERR2
#define SM_SERVERR2 89
#endif
enum platform_win32_flags
{
PLAT_WIN32_FLAG_USE_POWERSHELL = (1 << 0),
PLAT_WIN32_FLAG_USE_NVDA = (1 << 1),
PLAT_WIN32_FLAG_USE_NVDA_BRAILLE = (1 << 2),
PLAT_WIN32_FLAG_DWM_COMPOSITION_DISABLED = (1 << 3),
PLAT_WIN32_FLAG_CONSOLE_NEEDS_FREE = (1 << 4),
PLAT_WIN32_FLAG_PROCESS_INSTANCE_SET = (1 << 5)
};
#ifdef HAVE_SAPI
static ISpVoice *voice_ptr = NULL;
#endif
#ifdef HAVE_NVDA
static uint8_t g_plat_win32_flags = PLAT_WIN32_FLAG_USE_NVDA;
#else
static uint8_t g_plat_win32_flags = PLAT_WIN32_FLAG_USE_POWERSHELL;
#endif
/* static public global variable */
VOID (WINAPI *DragAcceptFiles_func)(HWND, BOOL);
/* TODO/FIXME - static global variables */
static char win32_cpu_model_name[64] = {0};
#ifdef HAVE_DYLIB
/* We only load this library once, so we let it be
* unloaded at application shutdown, since unloading
* it early seems to cause issues on some systems.
*/
static dylib_t dwm_lib;
static dylib_t shell32_lib;
static dylib_t nvda_lib;
#endif
/* Dynamic loading for Non-Visual Desktop Access support */
unsigned long (__stdcall *nvdaController_testIfRunning_func)(void);
unsigned long (__stdcall *nvdaController_cancelSpeech_func)(void);
unsigned long (__stdcall *nvdaController_brailleMessage_func)(wchar_t*);
unsigned long (__stdcall *nvdaController_speakText_func)(wchar_t*);
#if defined(HAVE_LANGEXTRA) && !defined(_XBOX)
#if (defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0500) || !defined(_MSC_VER)
struct win32_lang_pair
{
unsigned short lang_ident;
enum retro_language lang;
};
/* https://docs.microsoft.com/en-us/windows/desktop/Intl/language-identifier-constants-and-strings */
const struct win32_lang_pair win32_lang_pairs[] =
{
/* array order MUST be kept, always largest ID first */
{0x7c04, RETRO_LANGUAGE_CHINESE_TRADITIONAL}, /* neutral */
{0x1404, RETRO_LANGUAGE_CHINESE_TRADITIONAL}, /* MO */
{0x1004, RETRO_LANGUAGE_CHINESE_SIMPLIFIED}, /* SG */
{0xC04, RETRO_LANGUAGE_CHINESE_TRADITIONAL}, /* HK/PRC */
{0x816, RETRO_LANGUAGE_PORTUGUESE_PORTUGAL},
{0x416, RETRO_LANGUAGE_PORTUGUESE_BRAZIL},
{0x2a, RETRO_LANGUAGE_VIETNAMESE},
{0x19, RETRO_LANGUAGE_RUSSIAN},
{0x16, RETRO_LANGUAGE_PORTUGUESE_PORTUGAL},
{0x15, RETRO_LANGUAGE_POLISH},
{0x13, RETRO_LANGUAGE_DUTCH},
{0x12, RETRO_LANGUAGE_KOREAN},
{0x11, RETRO_LANGUAGE_JAPANESE},
{0x10, RETRO_LANGUAGE_ITALIAN},
{0xc, RETRO_LANGUAGE_FRENCH},
{0xa, RETRO_LANGUAGE_SPANISH},
{0x9, RETRO_LANGUAGE_ENGLISH},
{0x8, RETRO_LANGUAGE_GREEK},
{0x7, RETRO_LANGUAGE_GERMAN},
{0x4, RETRO_LANGUAGE_CHINESE_SIMPLIFIED}, /* neutral */
{0x1, RETRO_LANGUAGE_ARABIC},
/* MS does not support Esperanto */
/*{0x0, RETRO_LANGUAGE_ESPERANTO},*/
};
unsigned short win32_get_langid_from_retro_lang(enum retro_language lang)
{
int i;
for (i = 0; i < sizeof(win32_lang_pairs) / sizeof(win32_lang_pairs[0]); i++)
{
if (win32_lang_pairs[i].lang == lang)
return win32_lang_pairs[i].lang_ident;
}
return 0x409; /* fallback to US English */
}
enum retro_language win32_get_retro_lang_from_langid(unsigned short langid)
{
int i;
for (i = 0; i < sizeof(win32_lang_pairs) / sizeof(win32_lang_pairs[0]); i++)
{
if (win32_lang_pairs[i].lang_ident > 0x3ff)
{
if (langid == win32_lang_pairs[i].lang_ident)
return win32_lang_pairs[i].lang;
}
else
{
if ((langid & 0x3ff) == win32_lang_pairs[i].lang_ident)
return win32_lang_pairs[i].lang;
}
}
return RETRO_LANGUAGE_ENGLISH;
}
#endif
#else
unsigned short win32_get_langid_from_retro_lang(enum retro_language lang)
{
return 0x409; /* fallback to US English */
}
enum retro_language win32_get_retro_lang_from_langid(unsigned short langid)
{
return RETRO_LANGUAGE_ENGLISH;
}
#endif
static void gfx_dwm_shutdown(void)
{
#ifdef HAVE_DYLIB
if (dwm_lib)
dylib_close(dwm_lib);
if (shell32_lib)
dylib_close(shell32_lib);
dwm_lib = NULL;
shell32_lib = NULL;
#endif
}
static bool gfx_init_dwm(void)
{
HRESULT (WINAPI *mmcss)(BOOL);
static bool inited = false;
if (inited)
return true;
atexit(gfx_dwm_shutdown);
#ifdef HAVE_DYLIB
if (!(shell32_lib = dylib_load("shell32.dll")))
{
RARCH_WARN("Did not find shell32.dll.\n");
}
if (!(dwm_lib = dylib_load("dwmapi.dll")))
{
RARCH_WARN("Did not find dwmapi.dll.\n");
return false;
}
DragAcceptFiles_func =
(VOID (WINAPI*)(HWND, BOOL))dylib_proc(shell32_lib, "DragAcceptFiles");
mmcss =
(HRESULT(WINAPI*)(BOOL))dylib_proc(dwm_lib, "DwmEnableMMCSS");
#else
DragAcceptFiles_func = DragAcceptFiles;
#endif
if (mmcss)
mmcss(TRUE);
inited = true;
return true;
}
static void gfx_set_dwm(void)
{
HRESULT ret;
HRESULT (WINAPI *composition_enable)(UINT);
settings_t *settings = config_get_ptr();
bool disable_composition = settings->bools.video_disable_composition;
if (!gfx_init_dwm())
return;
if (disable_composition == (g_plat_win32_flags &
PLAT_WIN32_FLAG_DWM_COMPOSITION_DISABLED))
return;
#ifdef HAVE_DYLIB
composition_enable =
(HRESULT (WINAPI*)(UINT))dylib_proc(dwm_lib, "DwmEnableComposition");
#endif
if (!composition_enable)
{
RARCH_ERR("Did not find DwmEnableComposition ...\n");
return;
}
ret = composition_enable(!disable_composition);
if (FAILED(ret))
RARCH_ERR("Failed to set composition state ...\n");
if (disable_composition)
g_plat_win32_flags |= PLAT_WIN32_FLAG_DWM_COMPOSITION_DISABLED;
}
static void frontend_win32_get_os(char *s, size_t len, int *major, int *minor)
{
char buildStr[11] = {0};
bool server = false;
const char *arch = "";
#if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0500
/* Windows 2000 and later */
SYSTEM_INFO si = {{0}};
OSVERSIONINFOEX vi = {0};
vi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
GetSystemInfo(&si);
/* Available from NT 3.5 and Win95 */
GetVersionEx((OSVERSIONINFO*)&vi);
server = vi.wProductType != VER_NT_WORKSTATION;
switch (si.wProcessorArchitecture)
{
case PROCESSOR_ARCHITECTURE_AMD64:
arch = "x64";
break;
case PROCESSOR_ARCHITECTURE_INTEL:
arch = "x86";
break;
case PROCESSOR_ARCHITECTURE_ARM:
arch = "ARM";
break;
default:
break;
}
#else
OSVERSIONINFO vi = {0};
vi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
/* Available from NT 3.5 and Win95 */
GetVersionEx(&vi);
#endif
if (major)
*major = vi.dwMajorVersion;
if (minor)
*minor = vi.dwMinorVersion;
if (vi.dwMajorVersion == 4 && vi.dwMinorVersion == 0)
snprintf(buildStr, sizeof(buildStr), "%lu", (DWORD)(LOWORD(vi.dwBuildNumber))); /* Windows 95 build number is in the low-order word only */
else
snprintf(buildStr, sizeof(buildStr), "%lu", vi.dwBuildNumber);
switch (vi.dwMajorVersion)
{
case 10:
if (atoi(buildStr) >= 21996)
strlcpy(s, "Windows 11", len);
else if (server)
strlcpy(s, "Windows Server 2016", len);
else
strlcpy(s, "Windows 10", len);
break;
case 6:
switch (vi.dwMinorVersion)
{
case 3:
if (server)
strlcpy(s, "Windows Server 2012 R2", len);
else
strlcpy(s, "Windows 8.1", len);
break;
case 2:
if (server)
strlcpy(s, "Windows Server 2012", len);
else
strlcpy(s, "Windows 8", len);
break;
case 1:
if (server)
strlcpy(s, "Windows Server 2008 R2", len);
else
strlcpy(s, "Windows 7", len);
break;
case 0:
if (server)
strlcpy(s, "Windows Server 2008", len);
else
strlcpy(s, "Windows Vista", len);
break;
default:
break;
}
break;
case 5:
switch (vi.dwMinorVersion)
{
case 2:
if (server)
{
strlcpy(s, "Windows Server 2003", len);
if (GetSystemMetrics(SM_SERVERR2))
strlcat(s, " R2", len);
}
else
{
/* Yes, XP Pro x64 is a higher version number than XP x86 */
if (string_is_equal(arch, "x64"))
strlcpy(s, "Windows XP", len);
}
break;
case 1:
strlcpy(s, "Windows XP", len);
break;
case 0:
strlcpy(s, "Windows 2000", len);
break;
}
break;
case 4:
switch (vi.dwMinorVersion)
{
case 0:
if (vi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
strlcpy(s, "Windows 95", len);
else if (vi.dwPlatformId == VER_PLATFORM_WIN32_NT)
strlcpy(s, "Windows NT 4.0", len);
else
strlcpy(s, "Unknown", len);
break;
case 90:
strlcpy(s, "Windows ME", len);
break;
case 10:
strlcpy(s, "Windows 98", len);
break;
}
break;
default:
snprintf(s, len, "Windows %i.%i", *major, *minor);
break;
}
if (!string_is_empty(arch))
{
strlcat(s, " ", len);
strlcat(s, arch, len);
}
strlcat(s, " Build ", len);
strlcat(s, buildStr, len);
if (!string_is_empty(vi.szCSDVersion))
{
strlcat(s, " ", len);
strlcat(s, vi.szCSDVersion, len);
}
}
static void frontend_win32_init(void *data)
{
typedef BOOL (WINAPI *isProcessDPIAwareProc)();
typedef BOOL (WINAPI *setProcessDPIAwareProc)();
#ifdef HAVE_DYLIB
HMODULE handle =
GetModuleHandle("User32.dll");
isProcessDPIAwareProc isDPIAwareProc =
(isProcessDPIAwareProc)dylib_proc(handle, "IsProcessDPIAware");
setProcessDPIAwareProc setDPIAwareProc =
(setProcessDPIAwareProc)dylib_proc(handle, "SetProcessDPIAware");
#else
isProcessDPIAwareProc isDPIAwareProc = IsProcessDPIAware;
setProcessDPIAwareProc setDPIAwareProc = SetProcessDPIAware;
#endif
if (isDPIAwareProc)
if (!isDPIAwareProc())
if (setDPIAwareProc)
setDPIAwareProc();
}
#ifdef HAVE_NVDA
static void init_nvda(void)
{
#ifdef HAVE_DYLIB
if ( (g_plat_win32_flags & PLAT_WIN32_FLAG_USE_NVDA)
&& !nvda_lib)
{
if ((nvda_lib = dylib_load("nvdaControllerClient64.dll")))
{
nvdaController_testIfRunning_func = (unsigned long (__stdcall*)(void))dylib_proc(nvda_lib, "nvdaController_testIfRunning");
nvdaController_cancelSpeech_func = (unsigned long(__stdcall *)(void))dylib_proc(nvda_lib, "nvdaController_cancelSpeech");
nvdaController_brailleMessage_func = (unsigned long(__stdcall *)(wchar_t*))dylib_proc(nvda_lib, "nvdaController_brailleMessage");
nvdaController_speakText_func = (unsigned long(__stdcall *)(wchar_t*))dylib_proc(nvda_lib, "nvdaController_speakText");
return;
}
}
#endif
/* The above code is executed on each accessibility speak event, so
* we should only revert to powershell if nvda_lib wasn't loaded previously,
* and we weren't able to load it on this call, or we don't HAVE_DYLIB */
if ((g_plat_win32_flags & PLAT_WIN32_FLAG_USE_NVDA) && !nvda_lib)
{
g_plat_win32_flags &= ~PLAT_WIN32_FLAG_USE_NVDA;
g_plat_win32_flags |= PLAT_WIN32_FLAG_USE_POWERSHELL;
}
}
#endif
enum frontend_powerstate frontend_win32_get_powerstate(int *seconds, int *percent)
{
SYSTEM_POWER_STATUS status;
enum frontend_powerstate ret = FRONTEND_POWERSTATE_NONE;
if (!GetSystemPowerStatus(&status))
return ret;
if (status.BatteryFlag == 0xFF)
ret = FRONTEND_POWERSTATE_NONE;
else if (status.BatteryFlag & (1 << 7))
ret = FRONTEND_POWERSTATE_NO_SOURCE;
else if (status.BatteryFlag & (1 << 3))
ret = FRONTEND_POWERSTATE_CHARGING;
else if (status.ACLineStatus == 1)
ret = FRONTEND_POWERSTATE_CHARGED;
else
ret = FRONTEND_POWERSTATE_ON_POWER_SOURCE;
*percent = (int)status.BatteryLifePercent;
*seconds = (int)status.BatteryLifeTime;
#ifdef _WIN32
if (*percent == 255)
*percent = 0;
#endif
return ret;
}
enum frontend_architecture frontend_win32_get_arch(void)
{
#if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0500
/* Windows 2000 and later */
SYSTEM_INFO si = {{0}};
GetSystemInfo(&si);
switch (si.wProcessorArchitecture)
{
case PROCESSOR_ARCHITECTURE_AMD64:
return FRONTEND_ARCH_X86_64;
break;
case PROCESSOR_ARCHITECTURE_INTEL:
return FRONTEND_ARCH_X86;
break;
case PROCESSOR_ARCHITECTURE_ARM:
return FRONTEND_ARCH_ARM;
break;
default:
break;
}
#endif
return FRONTEND_ARCH_NONE;
}
static int frontend_win32_parse_drive_list(void *data, bool load_content)
{
#ifdef HAVE_MENU
file_list_t *list = (file_list_t*)data;
enum msg_hash_enums enum_idx = load_content ?
MENU_ENUM_LABEL_FILE_DETECT_CORE_LIST_PUSH_DIR :
MENU_ENUM_LABEL_FILE_BROWSER_DIRECTORY;
size_t i = 0;
unsigned drives = GetLogicalDrives();
char drive[] = " :\\";
for (i = 0; i < 32; i++)
{
drive[0] = 'A' + i;
if (drives & (1 << i))
menu_entries_append(list,
drive,
msg_hash_to_str(MENU_ENUM_LABEL_FILE_DETECT_CORE_LIST_PUSH_DIR),
enum_idx,
FILE_TYPE_DIRECTORY, 0, 0, NULL);
}
#endif
return 0;
}
static void frontend_win32_env_get(int *argc, char *argv[],
void *args, void *params_data)
{
const char *tmp_dir = getenv("TMP");
const char *libretro_directory = getenv("LIBRETRO_DIRECTORY");
if (!string_is_empty(tmp_dir))
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CACHE],
tmp_dir, sizeof(g_defaults.dirs[DEFAULT_DIR_CACHE]));
gfx_set_dwm();
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_ASSETS],
":\\assets", sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_AUDIO_FILTER],
":\\filters\\audio", sizeof(g_defaults.dirs[DEFAULT_DIR_AUDIO_FILTER]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER],
":\\filters\\video", sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CHEATS],
":\\cheats", sizeof(g_defaults.dirs[DEFAULT_DIR_CHEATS]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_DATABASE],
":\\database\\rdb", sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_PLAYLIST],
":\\playlists", sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_RECORD_CONFIG],
":\\config\\record", sizeof(g_defaults.dirs[DEFAULT_DIR_RECORD_CONFIG]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_RECORD_OUTPUT],
":\\recordings", sizeof(g_defaults.dirs[DEFAULT_DIR_RECORD_OUTPUT]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG],
":\\config", sizeof(g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_REMAP],
":\\config\\remaps", sizeof(g_defaults.dirs[DEFAULT_DIR_REMAP]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_WALLPAPERS],
":\\assets\\wallpapers", sizeof(g_defaults.dirs[DEFAULT_DIR_WALLPAPERS]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_THUMBNAILS],
":\\thumbnails", sizeof(g_defaults.dirs[DEFAULT_DIR_THUMBNAILS]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_OVERLAY],
":\\overlays", sizeof(g_defaults.dirs[DEFAULT_DIR_OVERLAY]));
#ifdef HAVE_VIDEO_LAYOUT
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_VIDEO_LAYOUT],
":\\layouts", sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_LAYOUT]));
#endif
if (!string_is_empty(libretro_directory))
strlcpy(g_defaults.dirs[DEFAULT_DIR_CORE], libretro_directory,
sizeof(g_defaults.dirs[DEFAULT_DIR_CORE]));
else
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CORE],
":\\cores", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CORE_INFO],
":\\info", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG],
":\\autoconfig", sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SHADER],
":\\shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS],
":\\downloads", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SCREENSHOT],
":\\screenshots", sizeof(g_defaults.dirs[DEFAULT_DIR_SCREENSHOT]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SRAM],
":\\saves", sizeof(g_defaults.dirs[DEFAULT_DIR_SRAM]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SAVESTATE],
":\\states", sizeof(g_defaults.dirs[DEFAULT_DIR_SAVESTATE]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SYSTEM],
":\\system", sizeof(g_defaults.dirs[DEFAULT_DIR_SYSTEM]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_LOGS],
":\\logs", sizeof(g_defaults.dirs[DEFAULT_DIR_LOGS]));
#ifndef IS_SALAMANDER
dir_check_defaults("custom.ini");
#endif
}
static uint64_t frontend_win32_get_total_mem(void)
{
/* OSes below 2000 don't have the Ex version,
* and non-Ex cannot work with >4GB RAM */
#if _WIN32_WINNT >= 0x0500
MEMORYSTATUSEX mem_info;
mem_info.dwLength = sizeof(MEMORYSTATUSEX);
GlobalMemoryStatusEx(&mem_info);
return mem_info.ullTotalPhys;
#else
MEMORYSTATUS mem_info;
mem_info.dwLength = sizeof(MEMORYSTATUS);
GlobalMemoryStatus(&mem_info);
return mem_info.dwTotalPhys;
#endif
}
static uint64_t frontend_win32_get_free_mem(void)
{
/* OSes below 2000 don't have the Ex version,
* and non-Ex cannot work with >4GB RAM */
#if _WIN32_WINNT >= 0x0500
MEMORYSTATUSEX mem_info;
mem_info.dwLength = sizeof(MEMORYSTATUSEX);
GlobalMemoryStatusEx(&mem_info);
return mem_info.ullAvailPhys;
#else
MEMORYSTATUS mem_info;
mem_info.dwLength = sizeof(MEMORYSTATUS);
GlobalMemoryStatus(&mem_info);
return mem_info.dwAvailPhys;
#endif
}
static void frontend_win32_attach_console(void)
{
#ifdef _WIN32
#ifdef _WIN32_WINNT_WINXP
/* MSys will start the process with FILE_TYPE_PIPE connected.
* cmd will start the process with FILE_TYPE_UNKNOWN connected
* (since this is subsystem windows application
* ... UNLESS stdout/stderr were redirected (then FILE_TYPE_DISK
* will be connected most likely)
* Explorer will start the process with NOTHING connected.
*
* Now, let's not reconnect anything that's already connected.
* If any are disconnected, open a console, and connect to them.
* In case we're launched from msys or cmd, try attaching to the
* parent process console first.
*
* Take care to leave a record of what we did, so we can
* undo it precisely.
*/
bool need_stdout = (GetFileType(GetStdHandle(STD_OUTPUT_HANDLE))
== FILE_TYPE_UNKNOWN);
bool need_stderr = (GetFileType(GetStdHandle(STD_ERROR_HANDLE))
== FILE_TYPE_UNKNOWN);
if (config_get_ptr()->bools.log_to_file)
return;
if (need_stdout || need_stderr)
{
if (!AttachConsole(ATTACH_PARENT_PROCESS))
AllocConsole();
SetConsoleTitle("Log Console");
if (need_stdout)
freopen("CONOUT$", "w", stdout);
if (need_stderr)
freopen("CONOUT$", "w", stderr);
g_plat_win32_flags |= PLAT_WIN32_FLAG_CONSOLE_NEEDS_FREE;
}
#endif
#endif
}
static void frontend_win32_detach_console(void)
{
#if defined(_WIN32) && !defined(_XBOX)
#ifdef _WIN32_WINNT_WINXP
if (g_plat_win32_flags & PLAT_WIN32_FLAG_CONSOLE_NEEDS_FREE)
{
/* We don't reconnect stdout/stderr to anything here,
* because by definition, they weren't connected to
* anything in the first place. */
FreeConsole();
g_plat_win32_flags &= ~PLAT_WIN32_FLAG_CONSOLE_NEEDS_FREE;
}
#endif
#endif
}
static const char* frontend_win32_get_cpu_model_name(void)
{
cpu_features_get_model_name(win32_cpu_model_name, sizeof(win32_cpu_model_name));
return win32_cpu_model_name;
}
enum retro_language frontend_win32_get_user_language(void)
{
enum retro_language lang = RETRO_LANGUAGE_ENGLISH;
#if defined(HAVE_LANGEXTRA) && !defined(_XBOX)
#if (defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0500) || !defined(_MSC_VER)
LANGID langid = GetUserDefaultUILanguage();
lang = win32_get_retro_lang_from_langid(langid);
#endif
#endif
return lang;
}
#if defined(_WIN32) && !defined(_XBOX)
enum frontend_fork win32_fork_mode;
static void frontend_win32_respawn(char *s, size_t len, char *args)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
char executable_path[PATH_MAX_LENGTH] = {0};
if (win32_fork_mode != FRONTEND_FORK_RESTART)
return;
fill_pathname_application_path(executable_path,
sizeof(executable_path));
path_set(RARCH_PATH_CORE, executable_path);
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
memset(&pi, 0, sizeof(pi));
if (!CreateProcess( executable_path, args,
NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
{
RARCH_ERR("Failed to restart RetroArch\n");
}
}
static bool frontend_win32_set_fork(enum frontend_fork fork_mode)
{
switch (fork_mode)
{
case FRONTEND_FORK_CORE:
break;
case FRONTEND_FORK_CORE_WITH_ARGS:
break;
case FRONTEND_FORK_RESTART:
command_event(CMD_EVENT_QUIT, NULL);
break;
case FRONTEND_FORK_NONE:
default:
break;
}
win32_fork_mode = fork_mode;
return true;
}
#endif
#if defined(_WIN32) && !defined(_XBOX)
static const char *accessibility_win_language_id(const char* language)
{
if (string_is_equal(language,"en"))
return "409";
else if (string_is_equal(language,"it"))
return "410";
else if (string_is_equal(language,"sv"))
return "041d";
else if (string_is_equal(language,"fr"))
return "040c";
else if (string_is_equal(language,"de"))
return "407";
else if (string_is_equal(language,"he"))
return "040d";
else if (string_is_equal(language,"id"))
return "421";
else if (string_is_equal(language,"es"))
return "040a";
else if (string_is_equal(language,"nl"))
return "413";
else if (string_is_equal(language,"ro"))
return "418";
else if (string_is_equal(language,"pt_pt"))
return "816";
else if (string_is_equal(language,"pt_bt") || string_is_equal(language,"pt"))
return "416";
else if (string_is_equal(language,"th"))
return "041e";
else if (string_is_equal(language,"ja"))
return "411";
else if (string_is_equal(language,"sk"))
return "041b";
else if (string_is_equal(language,"hi"))
return "439";
else if (string_is_equal(language,"ar"))
return "401";
else if (string_is_equal(language,"hu"))
return "040e";
else if (string_is_equal(language,"zh_tw") || string_is_equal(language,"zh"))
return "804";
else if (string_is_equal(language,"el"))
return "408";
else if (string_is_equal(language,"ru"))
return "419";
else if (string_is_equal(language,"nb"))
return "414";
else if (string_is_equal(language,"da"))
return "406";
else if (string_is_equal(language,"fi"))
return "040b";
else if (string_is_equal(language,"zh_hk"))
return "0c04";
else if (string_is_equal(language,"zh_cn"))
return "804";
else if (string_is_equal(language,"tr"))
return "041f";
else if (string_is_equal(language,"ko"))
return "412";
else if (string_is_equal(language,"pl"))
return "415";
else if (string_is_equal(language,"cs"))
return "405";
return "";
}
static const char *accessibility_win_language_code(const char* language)
{
if (string_is_equal(language,"en"))
return "Microsoft David Desktop";
else if (string_is_equal(language,"it"))
return "Microsoft Cosimo Desktop";
else if (string_is_equal(language,"sv"))
return "Microsoft Bengt Desktop";
else if (string_is_equal(language,"fr"))
return "Microsoft Paul Desktop";
else if (string_is_equal(language,"de"))
return "Microsoft Stefan Desktop";
else if (string_is_equal(language,"he"))
return "Microsoft Asaf Desktop";
else if (string_is_equal(language,"id"))
return "Microsoft Andika Desktop";
else if (string_is_equal(language,"es"))
return "Microsoft Pablo Desktop";
else if (string_is_equal(language,"nl"))
return "Microsoft Frank Desktop";
else if (string_is_equal(language,"ro"))
return "Microsoft Andrei Desktop";
else if (string_is_equal(language,"pt_pt"))
return "Microsoft Helia Desktop";
else if (string_is_equal(language,"pt_bt") || string_is_equal(language,"pt"))
return "Microsoft Daniel Desktop";
else if (string_is_equal(language,"th"))
return "Microsoft Pattara Desktop";
else if (string_is_equal(language,"ja"))
return "Microsoft Ichiro Desktop";
else if (string_is_equal(language,"sk"))
return "Microsoft Filip Desktop";
else if (string_is_equal(language,"hi"))
return "Microsoft Hemant Desktop";
else if (string_is_equal(language,"ar"))
return "Microsoft Naayf Desktop";
else if (string_is_equal(language,"hu"))
return "Microsoft Szabolcs Desktop";
else if (string_is_equal(language,"zh_tw") || string_is_equal(language,"zh"))
return "Microsoft Zhiwei Desktop";
else if (string_is_equal(language,"el"))
return "Microsoft Stefanos Desktop";
else if (string_is_equal(language,"ru"))
return "Microsoft Pavel Desktop";
else if (string_is_equal(language,"nb"))
return "Microsoft Jon Desktop";
else if (string_is_equal(language,"da"))
return "Microsoft Helle Desktop";
else if (string_is_equal(language,"fi"))
return "Microsoft Heidi Desktop";
else if (string_is_equal(language,"zh_hk"))
return "Microsoft Danny Desktop";
else if (string_is_equal(language,"zh_cn"))
return "Microsoft Kangkang Desktop";
else if (string_is_equal(language,"tr"))
return "Microsoft Tolga Desktop";
else if (string_is_equal(language,"ko"))
return "Microsoft Heami Desktop";
else if (string_is_equal(language,"pl"))
return "Microsoft Adam Desktop";
else if (string_is_equal(language,"cs"))
return "Microsoft Jakub Desktop";
return "";
}
static void terminate_win32_process(PROCESS_INFORMATION pi)
{
TerminateProcess(pi.hProcess,0);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
static PROCESS_INFORMATION g_pi;
static bool create_win32_process(char* cmd, const char * input)
{
STARTUPINFO si;
HANDLE rd = NULL;
bool ret = false;
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
memset(&g_pi, 0, sizeof(g_pi));
if (input)
{
DWORD dummy;
HANDLE wr;
size_t input_len = strlen(input);
if (!CreatePipe(&rd, &wr, NULL, input_len))
return false;
SetHandleInformation(rd, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
WriteFile(wr, input, input_len, &dummy, NULL);
CloseHandle(wr);
si.dwFlags |= STARTF_USESTDHANDLES;
si.hStdInput = rd;
si.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
si.hStdError = GetStdHandle(STD_ERROR_HANDLE);
}
ret = CreateProcess(NULL, cmd, NULL, NULL, TRUE, CREATE_NO_WINDOW,
NULL, NULL, &si, &g_pi);
if (rd)
CloseHandle(rd);
return ret;
}
static bool is_narrator_running_windows(void)
{
DWORD status = 0;
#ifdef HAVE_NVDA
init_nvda();
#endif
if (g_plat_win32_flags & PLAT_WIN32_FLAG_USE_POWERSHELL)
{
if (!(g_plat_win32_flags & PLAT_WIN32_FLAG_PROCESS_INSTANCE_SET))
return false;
if (GetExitCodeProcess(g_pi.hProcess, &status))
if (status == STILL_ACTIVE)
return true;
return false;
}
#ifdef HAVE_NVDA
else if (g_plat_win32_flags & PLAT_WIN32_FLAG_USE_NVDA)
{
long res = nvdaController_testIfRunning_func();
if (res != 0)
{
/* The running nvda service wasn't found, so revert
back to the powershell method
*/
RARCH_ERR("Error communicating with NVDA\n");
g_plat_win32_flags |= PLAT_WIN32_FLAG_USE_POWERSHELL;
g_plat_win32_flags &= ~PLAT_WIN32_FLAG_USE_NVDA;
return false;
}
return false;
}
#endif
#ifdef HAVE_SAPI
else
{
if (voice_ptr)
{
SPVOICESTATUS status_ptr;
ISpVoice_GetStatus(voice_ptr, &status_ptr, NULL);
if (status_ptr.dwRunningState == SPRS_IS_SPEAKING)
return true;
}
}
#endif
return false;
}
static bool accessibility_speak_windows(int speed,
const char* speak_text, int priority)
{
char cmd[512];
const char *voice = get_user_language_iso639_1(true);
const char *language = accessibility_win_language_code(voice);
const char *langid = accessibility_win_language_id(voice);
bool res = false;
const char* speeds[10] = {"-10", "-7.5", "-5", "-2.5", "0", "2", "4", "6", "8", "10"};
size_t nbytes_cmd = 0;
if (speed < 1)
speed = 1;
else if (speed > 10)
speed = 10;
if (priority < 10)
{
if (is_narrator_running_windows())
return true;
}
#ifdef HAVE_NVDA
init_nvda();
#endif
if (g_plat_win32_flags & PLAT_WIN32_FLAG_USE_POWERSHELL)
{
const char * template_lang = "powershell.exe -NoProfile -WindowStyle Hidden -Command \"Add-Type -AssemblyName System.Speech; $synth = New-Object System.Speech.Synthesis.SpeechSynthesizer; $synth.SelectVoice(\\\"%s\\\"); $synth.Rate = %s; $synth.Speak($input);\"";
const char * template_nolang = "powershell.exe -NoProfile -WindowStyle Hidden -Command \"Add-Type -AssemblyName System.Speech; $synth = New-Object System.Speech.Synthesis.SpeechSynthesizer; $synth.Rate = %s; $synth.Speak($input);\"";
if (language && language[0] != '\0')
snprintf(cmd, sizeof(cmd), template_lang, language, speeds[speed-1]);
else
snprintf(cmd, sizeof(cmd), template_nolang, speeds[speed-1]);
if (g_plat_win32_flags & PLAT_WIN32_FLAG_PROCESS_INSTANCE_SET)
terminate_win32_process(g_pi);
if (create_win32_process(cmd, speak_text))
g_plat_win32_flags |= PLAT_WIN32_FLAG_PROCESS_INSTANCE_SET;
else
g_plat_win32_flags &= ~PLAT_WIN32_FLAG_PROCESS_INSTANCE_SET;
}
#ifdef HAVE_NVDA
else if (g_plat_win32_flags & PLAT_WIN32_FLAG_USE_NVDA)
{
wchar_t *wc = utf8_to_utf16_string_alloc(speak_text);
long res = nvdaController_testIfRunning_func();
if (!wc || res != 0)
{
RARCH_ERR("Error communicating with NVDA\n");
if (wc)
free(wc);
return false;
}
nvdaController_cancelSpeech_func();
if (g_plat_win32_flags & PLAT_WIN32_FLAG_USE_NVDA_BRAILLE)
nvdaController_brailleMessage_func(wc);
else
nvdaController_speakText_func(wc);
free(wc);
}
#endif
#ifdef HAVE_SAPI
else
{
HRESULT hr;
/* stop the old voice if running */
if (voice_ptr)
{
CoUninitialize();
ISpVoice_Release(voice_ptr);
}
voice_ptr = NULL;
/* Play the new voice */
if (FAILED(CoInitialize(NULL)))
return NULL;
hr = CoCreateInstance(&CLSID_SpVoice, NULL,
CLSCTX_ALL, &IID_ISpVoice, (void **)&voice_ptr);
if (SUCCEEDED(hr))
{
wchar_t *wc = utf8_to_utf16_string_alloc(speak_text);
if (!wc)
return false;
hr = ISpVoice_Speak(voice_ptr, wc, SPF_ASYNC /*SVSFlagsAsync*/, NULL);
free(wc);
}
}
#endif
return true;
}
#endif
frontend_ctx_driver_t frontend_ctx_win32 = {
frontend_win32_env_get, /* env_get */
frontend_win32_init, /* init */
NULL, /* deinit */
#if defined(_WIN32) && !defined(_XBOX)
frontend_win32_respawn, /* exitspawn */
#else
NULL, /* exitspawn */
#endif
NULL, /* process_args */
NULL, /* exec */
#if defined(_WIN32) && !defined(_XBOX)
frontend_win32_set_fork, /* set_fork */
#else
NULL, /* set_fork */
#endif
NULL, /* shutdown */
NULL, /* get_name */
frontend_win32_get_os,
NULL, /* get_rating */
NULL, /* content_loaded */
frontend_win32_get_arch, /* get_architecture */
frontend_win32_get_powerstate,
frontend_win32_parse_drive_list,
frontend_win32_get_total_mem,
frontend_win32_get_free_mem,
NULL, /* install_signal_handler */
NULL, /* get_sighandler_state */
NULL, /* set_sighandler_state */
NULL, /* destroy_sighandler_state */
frontend_win32_attach_console, /* attach_console */
frontend_win32_detach_console, /* detach_console */
NULL, /* get_lakka_version */
NULL, /* set_screen_brightness */
NULL, /* watch_path_for_changes */
NULL, /* check_for_path_changes */
NULL, /* set_sustained_performance_mode */
frontend_win32_get_cpu_model_name,
frontend_win32_get_user_language,
#if defined(_WIN32) && !defined(_XBOX)
is_narrator_running_windows, /* is_narrator_running */
accessibility_speak_windows, /* accessibility_speak */
#else
NULL, /* is_narrator_running */
NULL, /* accessibility_speak */
#endif
NULL, /* set_gamemode */
"win32", /* ident */
NULL /* get_video_driver */
};
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