godot/platform/windows/os_windows.cpp
Rémi Verschelde fa01e666d2
Merge pull request #39542 from Ev1lbl0w/feature/kill-pid
Allow Godot to kill its own PID
2020-06-16 20:49:00 +02:00

863 lines
24 KiB
C++

/*************************************************************************/
/* os_windows.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
// Must include Winsock before windows.h (included by os_windows.h)
#include "drivers/unix/net_socket_posix.h"
#include "os_windows.h"
#include "core/debugger/engine_debugger.h"
#include "core/debugger/script_debugger.h"
#include "core/io/marshalls.h"
#include "core/version_generated.gen.h"
#include "drivers/windows/dir_access_windows.h"
#include "drivers/windows/file_access_windows.h"
#include "drivers/windows/rw_lock_windows.h"
#include "drivers/windows/thread_windows.h"
#include "joypad_windows.h"
#include "lang_table.h"
#include "main/main.h"
#include "platform/windows/display_server_windows.h"
#include "servers/audio_server.h"
#include "servers/rendering/rendering_server_raster.h"
#include "servers/rendering/rendering_server_wrap_mt.h"
#include "windows_terminal_logger.h"
#include <avrt.h>
#include <direct.h>
#include <knownfolders.h>
#include <process.h>
#include <regstr.h>
#include <shlobj.h>
static const WORD MAX_CONSOLE_LINES = 1500;
extern "C" {
__declspec(dllexport) DWORD NvOptimusEnablement = 1;
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
}
// Workaround mingw-w64 < 4.0 bug
#ifndef WM_TOUCH
#define WM_TOUCH 576
#endif
#ifndef WM_POINTERUPDATE
#define WM_POINTERUPDATE 0x0245
#endif
#if defined(__GNUC__)
// Workaround GCC warning from -Wcast-function-type.
#define GetProcAddress (void *)GetProcAddress
#endif
#ifdef DEBUG_ENABLED
static String format_error_message(DWORD id) {
LPWSTR messageBuffer = nullptr;
size_t size = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr, id, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&messageBuffer, 0, nullptr);
String msg = "Error " + itos(id) + ": " + String(messageBuffer, size);
LocalFree(messageBuffer);
return msg;
}
#endif // DEBUG_ENABLED
void RedirectIOToConsole() {
int hConHandle;
intptr_t lStdHandle;
CONSOLE_SCREEN_BUFFER_INFO coninfo;
FILE *fp;
// allocate a console for this app
AllocConsole();
// set the screen buffer to be big enough to let us scroll text
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),
&coninfo);
coninfo.dwSize.Y = MAX_CONSOLE_LINES;
SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
coninfo.dwSize);
// redirect unbuffered STDOUT to the console
lStdHandle = (intptr_t)GetStdHandle(STD_OUTPUT_HANDLE);
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
fp = _fdopen(hConHandle, "w");
*stdout = *fp;
setvbuf(stdout, nullptr, _IONBF, 0);
// redirect unbuffered STDIN to the console
lStdHandle = (intptr_t)GetStdHandle(STD_INPUT_HANDLE);
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
fp = _fdopen(hConHandle, "r");
*stdin = *fp;
setvbuf(stdin, nullptr, _IONBF, 0);
// redirect unbuffered STDERR to the console
lStdHandle = (intptr_t)GetStdHandle(STD_ERROR_HANDLE);
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
fp = _fdopen(hConHandle, "w");
*stderr = *fp;
setvbuf(stderr, nullptr, _IONBF, 0);
// make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
// point to console as well
}
BOOL WINAPI HandlerRoutine(_In_ DWORD dwCtrlType) {
if (!EngineDebugger::is_active())
return FALSE;
switch (dwCtrlType) {
case CTRL_C_EVENT:
EngineDebugger::get_script_debugger()->set_depth(-1);
EngineDebugger::get_script_debugger()->set_lines_left(1);
return TRUE;
default:
return FALSE;
}
}
void OS_Windows::initialize_debugging() {
SetConsoleCtrlHandler(HandlerRoutine, TRUE);
}
void OS_Windows::initialize() {
crash_handler.initialize();
//RedirectIOToConsole();
ThreadWindows::make_default();
RWLockWindows::make_default();
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);
FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_FILESYSTEM);
//FileAccessBufferedFA<FileAccessWindows>::make_default();
DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_RESOURCES);
DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_USERDATA);
DirAccess::make_default<DirAccessWindows>(DirAccess::ACCESS_FILESYSTEM);
NetSocketPosix::make_default();
// We need to know how often the clock is updated
if (!QueryPerformanceFrequency((LARGE_INTEGER *)&ticks_per_second))
ticks_per_second = 1000;
// If timeAtGameStart is 0 then we get the time since
// the start of the computer when we call GetGameTime()
ticks_start = 0;
ticks_start = get_ticks_usec();
// set minimum resolution for periodic timers, otherwise Sleep(n) may wait at least as
// long as the windows scheduler resolution (~16-30ms) even for calls like Sleep(1)
timeBeginPeriod(1);
process_map = memnew((Map<ProcessID, ProcessInfo>));
// Add current Godot PID to the list of known PIDs
ProcessInfo current_pi = {};
PROCESS_INFORMATION current_pi_pi = {};
current_pi.pi = current_pi_pi;
current_pi.pi.hProcess = GetCurrentProcess();
process_map->insert(GetCurrentProcessId(), current_pi);
IP_Unix::make_default();
main_loop = nullptr;
}
void OS_Windows::delete_main_loop() {
if (main_loop)
memdelete(main_loop);
main_loop = nullptr;
}
void OS_Windows::set_main_loop(MainLoop *p_main_loop) {
main_loop = p_main_loop;
}
void OS_Windows::finalize() {
#ifdef WINMIDI_ENABLED
driver_midi.close();
#endif
if (main_loop)
memdelete(main_loop);
main_loop = nullptr;
}
void OS_Windows::finalize_core() {
timeEndPeriod(1);
memdelete(process_map);
NetSocketPosix::cleanup();
}
Error OS_Windows::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) {
String path = p_path;
if (!FileAccess::exists(path)) {
//this code exists so gdnative can load .dll files from within the executable path
path = get_executable_path().get_base_dir().plus_file(p_path.get_file());
}
typedef DLL_DIRECTORY_COOKIE(WINAPI * PAddDllDirectory)(PCWSTR);
typedef BOOL(WINAPI * PRemoveDllDirectory)(DLL_DIRECTORY_COOKIE);
PAddDllDirectory add_dll_directory = (PAddDllDirectory)GetProcAddress(GetModuleHandle("kernel32.dll"), "AddDllDirectory");
PRemoveDllDirectory remove_dll_directory = (PRemoveDllDirectory)GetProcAddress(GetModuleHandle("kernel32.dll"), "RemoveDllDirectory");
bool has_dll_directory_api = ((add_dll_directory != nullptr) && (remove_dll_directory != nullptr));
DLL_DIRECTORY_COOKIE cookie = nullptr;
if (p_also_set_library_path && has_dll_directory_api) {
cookie = add_dll_directory(path.get_base_dir().c_str());
}
p_library_handle = (void *)LoadLibraryExW(path.c_str(), nullptr, (p_also_set_library_path && has_dll_directory_api) ? LOAD_LIBRARY_SEARCH_DEFAULT_DIRS : 0);
ERR_FAIL_COND_V_MSG(!p_library_handle, ERR_CANT_OPEN, "Can't open dynamic library: " + p_path + ", error: " + format_error_message(GetLastError()) + ".");
if (cookie) {
remove_dll_directory(cookie);
}
return OK;
}
Error OS_Windows::close_dynamic_library(void *p_library_handle) {
if (!FreeLibrary((HMODULE)p_library_handle)) {
return FAILED;
}
return OK;
}
Error OS_Windows::get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional) {
p_symbol_handle = (void *)GetProcAddress((HMODULE)p_library_handle, p_name.utf8().get_data());
if (!p_symbol_handle) {
if (!p_optional) {
ERR_FAIL_V_MSG(ERR_CANT_RESOLVE, "Can't resolve symbol " + p_name + ", error: " + String::num(GetLastError()) + ".");
} else {
return ERR_CANT_RESOLVE;
}
}
return OK;
}
String OS_Windows::get_name() const {
return "Windows";
}
OS::Date OS_Windows::get_date(bool utc) const {
SYSTEMTIME systemtime;
if (utc)
GetSystemTime(&systemtime);
else
GetLocalTime(&systemtime);
Date date;
date.day = systemtime.wDay;
date.month = Month(systemtime.wMonth);
date.weekday = Weekday(systemtime.wDayOfWeek);
date.year = systemtime.wYear;
date.dst = false;
return date;
}
OS::Time OS_Windows::get_time(bool utc) const {
SYSTEMTIME systemtime;
if (utc)
GetSystemTime(&systemtime);
else
GetLocalTime(&systemtime);
Time time;
time.hour = systemtime.wHour;
time.min = systemtime.wMinute;
time.sec = systemtime.wSecond;
return time;
}
OS::TimeZoneInfo OS_Windows::get_time_zone_info() const {
TIME_ZONE_INFORMATION info;
bool daylight = false;
if (GetTimeZoneInformation(&info) == TIME_ZONE_ID_DAYLIGHT)
daylight = true;
TimeZoneInfo ret;
if (daylight) {
ret.name = info.DaylightName;
} else {
ret.name = info.StandardName;
}
// Bias value returned by GetTimeZoneInformation is inverted of what we expect
// For example on GMT-3 GetTimeZoneInformation return a Bias of 180, so invert the value to get -180
ret.bias = -info.Bias;
return ret;
}
double OS_Windows::get_unix_time() const {
// 1 Windows tick is 100ns
const uint64_t WINDOWS_TICKS_PER_SECOND = 10000000;
const uint64_t TICKS_TO_UNIX_EPOCH = 116444736000000000LL;
SYSTEMTIME st;
GetSystemTime(&st);
FILETIME ft;
SystemTimeToFileTime(&st, &ft);
uint64_t ticks_time;
ticks_time = ft.dwHighDateTime;
ticks_time <<= 32;
ticks_time |= ft.dwLowDateTime;
return (double)(ticks_time - TICKS_TO_UNIX_EPOCH) / WINDOWS_TICKS_PER_SECOND;
}
void OS_Windows::delay_usec(uint32_t p_usec) const {
if (p_usec < 1000)
Sleep(1);
else
Sleep(p_usec / 1000);
}
uint64_t OS_Windows::get_ticks_usec() const {
uint64_t ticks;
// This is the number of clock ticks since start
if (!QueryPerformanceCounter((LARGE_INTEGER *)&ticks))
ticks = (UINT64)timeGetTime();
// Divide by frequency to get the time in seconds
// original calculation shown below is subject to overflow
// with high ticks_per_second and a number of days since the last reboot.
// time = ticks * 1000000L / ticks_per_second;
// we can prevent this by either using 128 bit math
// or separating into a calculation for seconds, and the fraction
uint64_t seconds = ticks / ticks_per_second;
// compiler will optimize these two into one divide
uint64_t leftover = ticks % ticks_per_second;
// remainder
uint64_t time = (leftover * 1000000L) / ticks_per_second;
// seconds
time += seconds * 1000000L;
// Subtract the time at game start to get
// the time since the game started
time -= ticks_start;
return time;
}
String OS_Windows::_quote_command_line_argument(const String &p_text) const {
for (int i = 0; i < p_text.size(); i++) {
CharType c = p_text[i];
if (c == ' ' || c == '&' || c == '(' || c == ')' || c == '[' || c == ']' || c == '{' || c == '}' || c == '^' || c == '=' || c == ';' || c == '!' || c == '\'' || c == '+' || c == ',' || c == '`' || c == '~') {
return "\"" + p_text + "\"";
}
}
return p_text;
}
Error OS_Windows::execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id, String *r_pipe, int *r_exitcode, bool read_stderr, Mutex *p_pipe_mutex) {
if (p_blocking && r_pipe) {
String argss = _quote_command_line_argument(p_path);
for (const List<String>::Element *E = p_arguments.front(); E; E = E->next()) {
argss += " " + _quote_command_line_argument(E->get());
}
if (read_stderr) {
argss += " 2>&1"; // Read stderr too
}
// Note: _wpopen is calling command as "cmd.exe /c argss", instead of executing it directly, add extra quotes around full command, to prevent it from stripping quotes in the command.
argss = _quote_command_line_argument(argss);
FILE *f = _wpopen(argss.c_str(), L"r");
ERR_FAIL_COND_V(!f, ERR_CANT_OPEN);
char buf[65535];
while (fgets(buf, 65535, f)) {
if (p_pipe_mutex) {
p_pipe_mutex->lock();
}
(*r_pipe) += String::utf8(buf);
if (p_pipe_mutex) {
p_pipe_mutex->unlock();
}
}
int rv = _pclose(f);
if (r_exitcode) {
*r_exitcode = rv;
}
return OK;
}
String cmdline = _quote_command_line_argument(p_path);
const List<String>::Element *I = p_arguments.front();
while (I) {
cmdline += " " + _quote_command_line_argument(I->get());
I = I->next();
}
ProcessInfo pi;
ZeroMemory(&pi.si, sizeof(pi.si));
pi.si.cb = sizeof(pi.si);
ZeroMemory(&pi.pi, sizeof(pi.pi));
LPSTARTUPINFOW si_w = (LPSTARTUPINFOW)&pi.si;
Vector<CharType> modstr; // Windows wants to change this no idea why.
modstr.resize(cmdline.size());
for (int i = 0; i < cmdline.size(); i++) {
modstr.write[i] = cmdline[i];
}
int ret = CreateProcessW(nullptr, modstr.ptrw(), nullptr, nullptr, 0, NORMAL_PRIORITY_CLASS & CREATE_NO_WINDOW, nullptr, nullptr, si_w, &pi.pi);
ERR_FAIL_COND_V(ret == 0, ERR_CANT_FORK);
if (p_blocking) {
DWORD ret2 = WaitForSingleObject(pi.pi.hProcess, INFINITE);
if (r_exitcode) {
*r_exitcode = ret2;
}
CloseHandle(pi.pi.hProcess);
CloseHandle(pi.pi.hThread);
} else {
ProcessID pid = pi.pi.dwProcessId;
if (r_child_id) {
*r_child_id = pid;
}
process_map->insert(pid, pi);
}
return OK;
};
Error OS_Windows::kill(const ProcessID &p_pid) {
ERR_FAIL_COND_V(!process_map->has(p_pid), FAILED);
const PROCESS_INFORMATION pi = (*process_map)[p_pid].pi;
process_map->erase(p_pid);
const int ret = TerminateProcess(pi.hProcess, 0);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
return ret != 0 ? OK : FAILED;
};
int OS_Windows::get_process_id() const {
return _getpid();
}
Error OS_Windows::set_cwd(const String &p_cwd) {
if (_wchdir(p_cwd.c_str()) != 0)
return ERR_CANT_OPEN;
return OK;
}
String OS_Windows::get_executable_path() const {
wchar_t bufname[4096];
GetModuleFileNameW(nullptr, bufname, 4096);
String s = bufname;
return s;
}
bool OS_Windows::has_environment(const String &p_var) const {
#ifdef MINGW_ENABLED
return _wgetenv(p_var.c_str()) != nullptr;
#else
wchar_t *env;
size_t len;
_wdupenv_s(&env, &len, p_var.c_str());
const bool has_env = env != nullptr;
free(env);
return has_env;
#endif
};
String OS_Windows::get_environment(const String &p_var) const {
wchar_t wval[0x7Fff]; // MSDN says 32767 char is the maximum
int wlen = GetEnvironmentVariableW(p_var.c_str(), wval, 0x7Fff);
if (wlen > 0) {
return wval;
}
return "";
}
bool OS_Windows::set_environment(const String &p_var, const String &p_value) const {
return (bool)SetEnvironmentVariableW(p_var.c_str(), p_value.c_str());
}
String OS_Windows::get_stdin_string(bool p_block) {
if (p_block) {
char buff[1024];
return fgets(buff, 1024, stdin);
};
return String();
}
Error OS_Windows::shell_open(String p_uri) {
ShellExecuteW(nullptr, nullptr, p_uri.c_str(), nullptr, nullptr, SW_SHOWNORMAL);
return OK;
}
String OS_Windows::get_locale() const {
const _WinLocale *wl = &_win_locales[0];
LANGID langid = GetUserDefaultUILanguage();
String neutral;
int lang = langid & ((1 << 9) - 1);
int sublang = langid & ~((1 << 9) - 1);
while (wl->locale) {
if (wl->main_lang == lang && wl->sublang == SUBLANG_NEUTRAL)
neutral = wl->locale;
if (lang == wl->main_lang && sublang == wl->sublang)
return wl->locale;
wl++;
}
if (neutral != "")
return neutral;
return "en";
}
// We need this because GetSystemInfo() is unreliable on WOW64
// see https://msdn.microsoft.com/en-us/library/windows/desktop/ms724381(v=vs.85).aspx
// Taken from MSDN
typedef BOOL(WINAPI *LPFN_ISWOW64PROCESS)(HANDLE, PBOOL);
LPFN_ISWOW64PROCESS fnIsWow64Process;
BOOL is_wow64() {
BOOL wow64 = FALSE;
fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(TEXT("kernel32")), "IsWow64Process");
if (fnIsWow64Process) {
if (!fnIsWow64Process(GetCurrentProcess(), &wow64)) {
wow64 = FALSE;
}
}
return wow64;
}
int OS_Windows::get_processor_count() const {
SYSTEM_INFO sysinfo;
if (is_wow64())
GetNativeSystemInfo(&sysinfo);
else
GetSystemInfo(&sysinfo);
return sysinfo.dwNumberOfProcessors;
}
void OS_Windows::run() {
if (!main_loop)
return;
main_loop->init();
while (!force_quit) {
DisplayServer::get_singleton()->process_events(); // get rid of pending events
if (Main::iteration())
break;
};
main_loop->finish();
}
MainLoop *OS_Windows::get_main_loop() const {
return main_loop;
}
String OS_Windows::get_config_path() const {
if (has_environment("XDG_CONFIG_HOME")) { // unlikely, but after all why not?
return get_environment("XDG_CONFIG_HOME");
} else if (has_environment("APPDATA")) {
return get_environment("APPDATA");
} else {
return ".";
}
}
String OS_Windows::get_data_path() const {
if (has_environment("XDG_DATA_HOME")) {
return get_environment("XDG_DATA_HOME");
} else {
return get_config_path();
}
}
String OS_Windows::get_cache_path() const {
if (has_environment("XDG_CACHE_HOME")) {
return get_environment("XDG_CACHE_HOME");
} else if (has_environment("TEMP")) {
return get_environment("TEMP");
} else {
return get_config_path();
}
}
// Get properly capitalized engine name for system paths
String OS_Windows::get_godot_dir_name() const {
return String(VERSION_SHORT_NAME).capitalize();
}
String OS_Windows::get_system_dir(SystemDir p_dir) const {
KNOWNFOLDERID id;
switch (p_dir) {
case SYSTEM_DIR_DESKTOP: {
id = FOLDERID_Desktop;
} break;
case SYSTEM_DIR_DCIM: {
id = FOLDERID_Pictures;
} break;
case SYSTEM_DIR_DOCUMENTS: {
id = FOLDERID_Documents;
} break;
case SYSTEM_DIR_DOWNLOADS: {
id = FOLDERID_Downloads;
} break;
case SYSTEM_DIR_MOVIES: {
id = FOLDERID_Videos;
} break;
case SYSTEM_DIR_MUSIC: {
id = FOLDERID_Music;
} break;
case SYSTEM_DIR_PICTURES: {
id = FOLDERID_Pictures;
} break;
case SYSTEM_DIR_RINGTONES: {
id = FOLDERID_Music;
} break;
}
PWSTR szPath;
HRESULT res = SHGetKnownFolderPath(id, 0, nullptr, &szPath);
ERR_FAIL_COND_V(res != S_OK, String());
String path = String(szPath);
CoTaskMemFree(szPath);
return path;
}
String OS_Windows::get_user_data_dir() const {
String appname = get_safe_dir_name(ProjectSettings::get_singleton()->get("application/config/name"));
if (appname != "") {
bool use_custom_dir = ProjectSettings::get_singleton()->get("application/config/use_custom_user_dir");
if (use_custom_dir) {
String custom_dir = get_safe_dir_name(ProjectSettings::get_singleton()->get("application/config/custom_user_dir_name"), true);
if (custom_dir == "") {
custom_dir = appname;
}
return get_data_path().plus_file(custom_dir).replace("\\", "/");
} else {
return get_data_path().plus_file(get_godot_dir_name()).plus_file("app_userdata").plus_file(appname).replace("\\", "/");
}
}
return ProjectSettings::get_singleton()->get_resource_path();
}
String OS_Windows::get_unique_id() const {
HW_PROFILE_INFO HwProfInfo;
ERR_FAIL_COND_V(!GetCurrentHwProfile(&HwProfInfo), "");
return String(HwProfInfo.szHwProfileGuid);
}
bool OS_Windows::_check_internal_feature_support(const String &p_feature) {
return p_feature == "pc";
}
void OS_Windows::disable_crash_handler() {
crash_handler.disable();
}
bool OS_Windows::is_disable_crash_handler() const {
return crash_handler.is_disabled();
}
Error OS_Windows::move_to_trash(const String &p_path) {
SHFILEOPSTRUCTW sf;
WCHAR *from = new WCHAR[p_path.length() + 2];
wcscpy_s(from, p_path.length() + 1, p_path.c_str());
from[p_path.length() + 1] = 0;
sf.hwnd = main_window;
sf.wFunc = FO_DELETE;
sf.pFrom = from;
sf.pTo = nullptr;
sf.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION;
sf.fAnyOperationsAborted = FALSE;
sf.hNameMappings = nullptr;
sf.lpszProgressTitle = nullptr;
int ret = SHFileOperationW(&sf);
delete[] from;
if (ret) {
ERR_PRINT("SHFileOperation error: " + itos(ret));
return FAILED;
}
return OK;
}
int OS_Windows::get_tablet_driver_count() const {
return tablet_drivers.size();
}
String OS_Windows::get_tablet_driver_name(int p_driver) const {
if (p_driver < 0 || p_driver >= tablet_drivers.size()) {
return "";
} else {
return tablet_drivers[p_driver];
}
}
String OS_Windows::get_current_tablet_driver() const {
return tablet_driver;
}
void OS_Windows::set_current_tablet_driver(const String &p_driver) {
if (get_tablet_driver_count() == 0) {
return;
}
bool found = false;
for (int i = 0; i < get_tablet_driver_count(); i++) {
if (p_driver == get_tablet_driver_name(i)) {
found = true;
}
}
if (found) {
if (DisplayServerWindows::get_singleton()) {
((DisplayServerWindows *)DisplayServerWindows::get_singleton())->_update_tablet_ctx(tablet_driver, p_driver);
}
tablet_driver = p_driver;
} else {
ERR_PRINT("Unknown tablet driver " + p_driver + ".");
}
}
OS_Windows::OS_Windows(HINSTANCE _hInstance) {
//Note: Wacom WinTab driver API for pen input, for devices incompatible with Windows Ink.
HMODULE wintab_lib = LoadLibraryW(L"wintab32.dll");
if (wintab_lib) {
DisplayServerWindows::wintab_WTOpen = (WTOpenPtr)GetProcAddress(wintab_lib, "WTOpenW");
DisplayServerWindows::wintab_WTClose = (WTClosePtr)GetProcAddress(wintab_lib, "WTClose");
DisplayServerWindows::wintab_WTInfo = (WTInfoPtr)GetProcAddress(wintab_lib, "WTInfoW");
DisplayServerWindows::wintab_WTPacket = (WTPacketPtr)GetProcAddress(wintab_lib, "WTPacket");
DisplayServerWindows::wintab_WTEnable = (WTEnablePtr)GetProcAddress(wintab_lib, "WTEnable");
DisplayServerWindows::wintab_available = DisplayServerWindows::wintab_WTOpen && DisplayServerWindows::wintab_WTClose && DisplayServerWindows::wintab_WTInfo && DisplayServerWindows::wintab_WTPacket && DisplayServerWindows::wintab_WTEnable;
}
if (DisplayServerWindows::wintab_available) {
tablet_drivers.push_back("wintab");
}
//Note: Windows Ink API for pen input, available on Windows 8+ only.
HMODULE user32_lib = LoadLibraryW(L"user32.dll");
if (user32_lib) {
DisplayServerWindows::win8p_GetPointerType = (GetPointerTypePtr)GetProcAddress(user32_lib, "GetPointerType");
DisplayServerWindows::win8p_GetPointerPenInfo = (GetPointerPenInfoPtr)GetProcAddress(user32_lib, "GetPointerPenInfo");
DisplayServerWindows::winink_available = DisplayServerWindows::win8p_GetPointerType && DisplayServerWindows::win8p_GetPointerPenInfo;
}
if (DisplayServerWindows::winink_available) {
tablet_drivers.push_back("winink");
}
force_quit = false;
hInstance = _hInstance;
#ifdef STDOUT_FILE
stdo = fopen("stdout.txt", "wb");
#endif
#ifdef WASAPI_ENABLED
AudioDriverManager::add_driver(&driver_wasapi);
#endif
#ifdef XAUDIO2_ENABLED
AudioDriverManager::add_driver(&driver_xaudio2);
#endif
DisplayServerWindows::register_windows_driver();
Vector<Logger *> loggers;
loggers.push_back(memnew(WindowsTerminalLogger));
_set_logger(memnew(CompositeLogger(loggers)));
}
OS_Windows::~OS_Windows() {
#ifdef STDOUT_FILE
fclose(stdo);
#endif
}