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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD 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 Foundation, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file win32.cpp Implementation of MS Windows system calls */
#include "../../stdafx.h"
#include "../../debug.h"
#include "../../gfx_func.h"
#include "../../textbuf_gui.h"
#include "../../fileio_func.h"
#include <windows.h>
#include <fcntl.h>
#include <regstr.h>
#define NO_SHOBJIDL_SORTDIRECTION // Avoid multiple definition of SORT_ASCENDING
#include <shlobj.h> /* SHGetFolderPath */
#include <shellapi.h>
#include "win32.h"
#include "../../fios.h"
#include "../../core/alloc_func.hpp"
#include "../../openttd.h"
#include "../../core/random_func.hpp"
#include "../../string_func.h"
#include "../../crashlog.h"
#include <errno.h>
#include <sys/stat.h>
#include "../../language.h"
#include "../../thread.h"
#include "../../safeguards.h"
static bool _has_console;
static bool _cursor_disable = true;
static bool _cursor_visible = true;
bool MyShowCursor(bool show, bool toggle)
{
if (toggle) _cursor_disable = !_cursor_disable;
if (_cursor_disable) return show;
if (_cursor_visible == show) return show;
_cursor_visible = show;
ShowCursor(show);
return !show;
}
/**
* Helper function needed by dynamically loading libraries
* XXX: Hurray for MS only having an ANSI GetProcAddress function
* on normal windows and no Wide version except for in Windows Mobile/CE
*/
bool LoadLibraryList(Function proc[], const char *dll)
{
while (*dll != '\0') {
HMODULE lib;
lib = LoadLibrary(MB_TO_WIDE(dll));
if (lib == NULL) return false;
for (;;) {
FARPROC p;
while (*dll++ != '\0') { /* Nothing */ }
if (*dll == '\0') break;
p = GetProcAddress(lib, dll);
if (p == NULL) return false;
*proc++ = (Function)p;
}
dll++;
}
return true;
}
void ShowOSErrorBox(const char *buf, bool system)
{
MyShowCursor(true);
MessageBox(GetActiveWindow(), OTTD2FS(buf), _T("Error!"), MB_ICONSTOP);
}
void OSOpenBrowser(const char *url)
{
ShellExecute(GetActiveWindow(), _T("open"), OTTD2FS(url), NULL, NULL, SW_SHOWNORMAL);
}
/* Code below for windows version of opendir/readdir/closedir copied and
* modified from Jan Wassenberg's GPL implementation posted over at
* http://www.gamedev.net/community/forums/topic.asp?topic_id=364584&whichpage=1� */
struct DIR {
HANDLE hFind;
/* the dirent returned by readdir.
* note: having only one global instance is not possible because
* multiple independent opendir/readdir sequences must be supported. */
dirent ent;
WIN32_FIND_DATA fd;
/* since opendir calls FindFirstFile, we need a means of telling the
* first call to readdir that we already have a file.
* that's the case iff this is true */
bool at_first_entry;
};
/* suballocator - satisfies most requests with a reusable static instance.
* this avoids hundreds of alloc/free which would fragment the heap.
* To guarantee concurrency, we fall back to malloc if the instance is
* already in use (it's important to avoid surprises since this is such a
* low-level routine). */
static DIR _global_dir;
static LONG _global_dir_is_in_use = false;
static inline DIR *dir_calloc()
{
DIR *d;
if (InterlockedExchange(&_global_dir_is_in_use, true) == (LONG)true) {
d = CallocT<DIR>(1);
} else {
d = &_global_dir;
memset(d, 0, sizeof(*d));
}
return d;
}
static inline void dir_free(DIR *d)
{
if (d == &_global_dir) {
_global_dir_is_in_use = (LONG)false;
} else {
free(d);
}
}
DIR *opendir(const TCHAR *path)
{
DIR *d;
UINT sem = SetErrorMode(SEM_FAILCRITICALERRORS); // disable 'no-disk' message box
DWORD fa = GetFileAttributes(path);
if ((fa != INVALID_FILE_ATTRIBUTES) && (fa & FILE_ATTRIBUTE_DIRECTORY)) {
d = dir_calloc();
if (d != NULL) {
TCHAR search_path[MAX_PATH];
bool slash = path[_tcslen(path) - 1] == '\\';
/* build search path for FindFirstFile, try not to append additional slashes
* as it throws Win9x off its groove for root directories */
_sntprintf(search_path, lengthof(search_path), _T("%s%s*"), path, slash ? _T("") : _T("\\"));
*lastof(search_path) = '\0';
d->hFind = FindFirstFile(search_path, &d->fd);
if (d->hFind != INVALID_HANDLE_VALUE ||
GetLastError() == ERROR_NO_MORE_FILES) { // the directory is empty
d->ent.dir = d;
d->at_first_entry = true;
} else {
dir_free(d);
d = NULL;
}
} else {
errno = ENOMEM;
}
} else {
/* path not found or not a directory */
d = NULL;
errno = ENOENT;
}
SetErrorMode(sem); // restore previous setting
return d;
}
struct dirent *readdir(DIR *d)
{
DWORD prev_err = GetLastError(); // avoid polluting last error
if (d->at_first_entry) {
/* the directory was empty when opened */
if (d->hFind == INVALID_HANDLE_VALUE) return NULL;
d->at_first_entry = false;
} else if (!FindNextFile(d->hFind, &d->fd)) { // determine cause and bail
if (GetLastError() == ERROR_NO_MORE_FILES) SetLastError(prev_err);
return NULL;
}
/* This entry has passed all checks; return information about it.
* (note: d_name is a pointer; see struct dirent definition) */
d->ent.d_name = d->fd.cFileName;
return &d->ent;
}
int closedir(DIR *d)
{
FindClose(d->hFind);
dir_free(d);
return 0;
}
bool FiosIsRoot(const char *file)
{
return file[3] == '\0'; // C:\...
}
void FiosGetDrives(FileList &file_list)
{
TCHAR drives[256];
const TCHAR *s;
GetLogicalDriveStrings(lengthof(drives), drives);
for (s = drives; *s != '\0';) {
FiosItem *fios = file_list.Append();
fios->type = FIOS_TYPE_DRIVE;
fios->mtime = 0;
seprintf(fios->name, lastof(fios->name), "%c:", s[0] & 0xFF);
strecpy(fios->title, fios->name, lastof(fios->title));
while (*s++ != '\0') { /* Nothing */ }
}
}
bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
{
/* hectonanoseconds between Windows and POSIX epoch */
static const int64 posix_epoch_hns = 0x019DB1DED53E8000LL;
const WIN32_FIND_DATA *fd = &ent->dir->fd;
sb->st_size = ((uint64) fd->nFileSizeHigh << 32) + fd->nFileSizeLow;
/* UTC FILETIME to seconds-since-1970 UTC
* we just have to subtract POSIX epoch and scale down to units of seconds.
* http://www.gamedev.net/community/forums/topic.asp?topic_id=294070&whichpage=1�
* XXX - not entirely correct, since filetimes on FAT aren't UTC but local,
* this won't entirely be correct, but we use the time only for comparison. */
sb->st_mtime = (time_t)((*(const uint64*)&fd->ftLastWriteTime - posix_epoch_hns) / 1E7);
sb->st_mode = (fd->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)? S_IFDIR : S_IFREG;
return true;
}
bool FiosIsHiddenFile(const struct dirent *ent)
{
return (ent->dir->fd.dwFileAttributes & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) != 0;
}
bool FiosGetDiskFreeSpace(const char *path, uint64 *tot)
{
UINT sem = SetErrorMode(SEM_FAILCRITICALERRORS); // disable 'no-disk' message box
bool retval = false;
TCHAR root[4];
DWORD spc, bps, nfc, tnc;
_sntprintf(root, lengthof(root), _T("%c:") _T(PATHSEP), path[0]);
if (tot != NULL && GetDiskFreeSpace(root, &spc, &bps, &nfc, &tnc)) {
*tot = ((spc * bps) * (uint64)nfc);
retval = true;
}
SetErrorMode(sem); // reset previous setting
return retval;
}
static int ParseCommandLine(char *line, char **argv, int max_argc)
{
int n = 0;
do {
/* skip whitespace */
while (*line == ' ' || *line == '\t') line++;
/* end? */
if (*line == '\0') break;
/* special handling when quoted */
if (*line == '"') {
argv[n++] = ++line;
while (*line != '"') {
if (*line == '\0') return n;
line++;
}
} else {
argv[n++] = line;
while (*line != ' ' && *line != '\t') {
if (*line == '\0') return n;
line++;
}
}
*line++ = '\0';
} while (n != max_argc);
return n;
}
void CreateConsole()
{
HANDLE hand;
CONSOLE_SCREEN_BUFFER_INFO coninfo;
if (_has_console) return;
_has_console = true;
if (!AllocConsole()) return;
hand = GetStdHandle(STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfo(hand, &coninfo);
coninfo.dwSize.Y = 500;
SetConsoleScreenBufferSize(hand, coninfo.dwSize);
/* redirect unbuffered STDIN, STDOUT, STDERR to the console */
#if !defined(__CYGWIN__)
/* Check if we can open a handle to STDOUT. */
int fd = _open_osfhandle((intptr_t)hand, _O_TEXT);
if (fd == -1) {
/* Free everything related to the console. */
FreeConsole();
_has_console = false;
_close(fd);
CloseHandle(hand);
ShowInfo("Unable to open an output handle to the console. Check known-bugs.txt for details.");
return;
}
#if defined(_MSC_VER) && _MSC_VER >= 1900
freopen("CONOUT$", "a", stdout);
freopen("CONIN$", "r", stdin);
freopen("CONOUT$", "a", stderr);
#else
*stdout = *_fdopen(fd, "w");
*stdin = *_fdopen(_open_osfhandle((intptr_t)GetStdHandle(STD_INPUT_HANDLE), _O_TEXT), "r" );
*stderr = *_fdopen(_open_osfhandle((intptr_t)GetStdHandle(STD_ERROR_HANDLE), _O_TEXT), "w" );
#endif
#else
/* open_osfhandle is not in cygwin */
*stdout = *fdopen(1, "w" );
*stdin = *fdopen(0, "r" );
*stderr = *fdopen(2, "w" );
#endif
setvbuf(stdin, NULL, _IONBF, 0);
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
}
/** Temporary pointer to get the help message to the window */
static const char *_help_msg;
/** Callback function to handle the window */
static INT_PTR CALLBACK HelpDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
case WM_INITDIALOG: {
char help_msg[8192];
const char *p = _help_msg;
char *q = help_msg;
while (q != lastof(help_msg) && *p != '\0') {
if (*p == '\n') {
*q++ = '\r';
if (q == lastof(help_msg)) {
q[-1] = '\0';
break;
}
}
*q++ = *p++;
}
*q = '\0';
/* We need to put the text in a separate buffer because the default
* buffer in OTTD2FS might not be large enough (512 chars). */
TCHAR help_msg_buf[8192];
SetDlgItemText(wnd, 11, convert_to_fs(help_msg, help_msg_buf, lengthof(help_msg_buf)));
SendDlgItemMessage(wnd, 11, WM_SETFONT, (WPARAM)GetStockObject(ANSI_FIXED_FONT), FALSE);
} return TRUE;
case WM_COMMAND:
if (wParam == 12) ExitProcess(0);
return TRUE;
case WM_CLOSE:
ExitProcess(0);
}
return FALSE;
}
void ShowInfo(const char *str)
{
if (_has_console) {
fprintf(stderr, "%s\n", str);
} else {
bool old;
ReleaseCapture();
_left_button_clicked = _left_button_down = false;
old = MyShowCursor(true);
if (strlen(str) > 2048) {
/* The minimum length of the help message is 2048. Other messages sent via
* ShowInfo are much shorter, or so long they need this way of displaying
* them anyway. */
_help_msg = str;
DialogBox(GetModuleHandle(NULL), MAKEINTRESOURCE(101), NULL, HelpDialogFunc);
} else {
/* We need to put the text in a separate buffer because the default
* buffer in OTTD2FS might not be large enough (512 chars). */
TCHAR help_msg_buf[8192];
MessageBox(GetActiveWindow(), convert_to_fs(str, help_msg_buf, lengthof(help_msg_buf)), _T("OpenTTD"), MB_ICONINFORMATION | MB_OK);
}
MyShowCursor(old);
}
}
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
int argc;
char *argv[64]; // max 64 command line arguments
CrashLog::InitialiseCrashLog();
#if defined(UNICODE)
/* Check if a win9x user started the win32 version */
if (HasBit(GetVersion(), 31)) usererror("This version of OpenTTD doesn't run on windows 95/98/ME.\nPlease download the win9x binary and try again.");
#endif
/* Convert the command line to UTF-8. We need a dedicated buffer
* for this because argv[] points into this buffer and this needs to
* be available between subsequent calls to FS2OTTD(). */
char *cmdline = stredup(FS2OTTD(GetCommandLine()));
#if defined(_DEBUG)
CreateConsole();
#endif
_set_error_mode(_OUT_TO_MSGBOX); // force assertion output to messagebox
/* setup random seed to something quite random */
SetRandomSeed(GetTickCount());
argc = ParseCommandLine(cmdline, argv, lengthof(argv));
/* Make sure our arguments contain only valid UTF-8 characters. */
for (int i = 0; i < argc; i++) ValidateString(argv[i]);
openttd_main(argc, argv);
free(cmdline);
return 0;
}
char *getcwd(char *buf, size_t size)
{
TCHAR path[MAX_PATH];
GetCurrentDirectory(MAX_PATH - 1, path);
convert_from_fs(path, buf, size);
return buf;
}
void DetermineBasePaths(const char *exe)
{
char tmp[MAX_PATH];
TCHAR path[MAX_PATH];
#ifdef WITH_PERSONAL_DIR
if (SUCCEEDED(OTTDSHGetFolderPath(NULL, CSIDL_PERSONAL, NULL, SHGFP_TYPE_CURRENT, path))) {
strecpy(tmp, FS2OTTD(path), lastof(tmp));
AppendPathSeparator(tmp, lastof(tmp));
strecat(tmp, PERSONAL_DIR, lastof(tmp));
AppendPathSeparator(tmp, lastof(tmp));
_searchpaths[SP_PERSONAL_DIR] = stredup(tmp);
} else {
_searchpaths[SP_PERSONAL_DIR] = NULL;
}
if (SUCCEEDED(OTTDSHGetFolderPath(NULL, CSIDL_COMMON_DOCUMENTS, NULL, SHGFP_TYPE_CURRENT, path))) {
strecpy(tmp, FS2OTTD(path), lastof(tmp));
AppendPathSeparator(tmp, lastof(tmp));
strecat(tmp, PERSONAL_DIR, lastof(tmp));
AppendPathSeparator(tmp, lastof(tmp));
_searchpaths[SP_SHARED_DIR] = stredup(tmp);
} else {
_searchpaths[SP_SHARED_DIR] = NULL;
}
#else
_searchpaths[SP_PERSONAL_DIR] = NULL;
_searchpaths[SP_SHARED_DIR] = NULL;
#endif
/* Get the path to working directory of OpenTTD */
getcwd(tmp, lengthof(tmp));
AppendPathSeparator(tmp, lastof(tmp));
_searchpaths[SP_WORKING_DIR] = stredup(tmp);
if (!GetModuleFileName(NULL, path, lengthof(path))) {
DEBUG(misc, 0, "GetModuleFileName failed (%lu)\n", GetLastError());
_searchpaths[SP_BINARY_DIR] = NULL;
} else {
TCHAR exec_dir[MAX_PATH];
_tcsncpy(path, convert_to_fs(exe, path, lengthof(path)), lengthof(path));
if (!GetFullPathName(path, lengthof(exec_dir), exec_dir, NULL)) {
DEBUG(misc, 0, "GetFullPathName failed (%lu)\n", GetLastError());
_searchpaths[SP_BINARY_DIR] = NULL;
} else {
strecpy(tmp, convert_from_fs(exec_dir, tmp, lengthof(tmp)), lastof(tmp));
char *s = strrchr(tmp, PATHSEPCHAR);
*(s + 1) = '\0';
_searchpaths[SP_BINARY_DIR] = stredup(tmp);
}
}
_searchpaths[SP_INSTALLATION_DIR] = NULL;
_searchpaths[SP_APPLICATION_BUNDLE_DIR] = NULL;
}
bool GetClipboardContents(char *buffer, const char *last)
{
HGLOBAL cbuf;
const char *ptr;
if (IsClipboardFormatAvailable(CF_UNICODETEXT)) {
OpenClipboard(NULL);
cbuf = GetClipboardData(CF_UNICODETEXT);
ptr = (const char*)GlobalLock(cbuf);
int out_len = WideCharToMultiByte(CP_UTF8, 0, (LPCWSTR)ptr, -1, buffer, (last - buffer) + 1, NULL, NULL);
GlobalUnlock(cbuf);
CloseClipboard();
if (out_len == 0) return false;
#if !defined(UNICODE)
} else if (IsClipboardFormatAvailable(CF_TEXT)) {
OpenClipboard(NULL);
cbuf = GetClipboardData(CF_TEXT);
ptr = (const char*)GlobalLock(cbuf);
strecpy(buffer, FS2OTTD(ptr), last);
GlobalUnlock(cbuf);
CloseClipboard();
#endif /* UNICODE */
} else {
return false;
}
return true;
}
/**
* Convert to OpenTTD's encoding from that of the local environment.
* When the project is built in UNICODE, the system codepage is irrelevant and
* the input string is wide. In ANSI mode, the string is in the
* local codepage which we'll convert to wide-char, and then to UTF-8.
* OpenTTD internal encoding is UTF8.
* The returned value's contents can only be guaranteed until the next call to
* this function. So if the value is needed for anything else, use convert_from_fs
* @param name pointer to a valid string that will be converted (local, or wide)
* @return pointer to the converted string; if failed string is of zero-length
* @see the current code-page comes from video\win32_v.cpp, event-notification
* WM_INPUTLANGCHANGE
*/
const char *FS2OTTD(const TCHAR *name)
{
static char utf8_buf[512];
return convert_from_fs(name, utf8_buf, lengthof(utf8_buf));
}
/**
* Convert from OpenTTD's encoding to that of the local environment.
* When the project is built in UNICODE the system codepage is irrelevant and
* the converted string is wide. In ANSI mode, the UTF8 string is converted
* to multi-byte.
* OpenTTD internal encoding is UTF8.
* The returned value's contents can only be guaranteed until the next call to
* this function. So if the value is needed for anything else, use convert_from_fs
* @param name pointer to a valid string that will be converted (UTF8)
* @param console_cp convert to the console encoding instead of the normal system encoding.
* @return pointer to the converted string; if failed string is of zero-length
*/
const TCHAR *OTTD2FS(const char *name, bool console_cp)
{
static TCHAR system_buf[512];
return convert_to_fs(name, system_buf, lengthof(system_buf), console_cp);
}
/**
* Convert to OpenTTD's encoding from that of the environment in
* UNICODE. OpenTTD encoding is UTF8, local is wide
* @param name pointer to a valid string that will be converted
* @param utf8_buf pointer to a valid buffer that will receive the converted string
* @param buflen length in characters of the receiving buffer
* @return pointer to utf8_buf. If conversion fails the string is of zero-length
*/
char *convert_from_fs(const TCHAR *name, char *utf8_buf, size_t buflen)
{
#if defined(UNICODE)
const WCHAR *wide_buf = name;
#else
/* Convert string from the local codepage to UTF-16. */
int wide_len = MultiByteToWideChar(CP_ACP, 0, name, -1, NULL, 0);
if (wide_len == 0) {
utf8_buf[0] = '\0';
return utf8_buf;
}
WCHAR *wide_buf = AllocaM(WCHAR, wide_len);
MultiByteToWideChar(CP_ACP, 0, name, -1, wide_buf, wide_len);
#endif
/* Convert UTF-16 string to UTF-8. */
int len = WideCharToMultiByte(CP_UTF8, 0, wide_buf, -1, utf8_buf, (int)buflen, NULL, NULL);
if (len == 0) utf8_buf[0] = '\0';
return utf8_buf;
}
/**
* Convert from OpenTTD's encoding to that of the environment in
* UNICODE. OpenTTD encoding is UTF8, local is wide
* @param name pointer to a valid string that will be converted
* @param system_buf pointer to a valid wide-char buffer that will receive the
* converted string
* @param buflen length in wide characters of the receiving buffer
* @param console_cp convert to the console encoding instead of the normal system encoding.
* @return pointer to system_buf. If conversion fails the string is of zero-length
*/
TCHAR *convert_to_fs(const char *name, TCHAR *system_buf, size_t buflen, bool console_cp)
{
#if defined(UNICODE)
int len = MultiByteToWideChar(CP_UTF8, 0, name, -1, system_buf, (int)buflen);
if (len == 0) system_buf[0] = '\0';
#else
int len = MultiByteToWideChar(CP_UTF8, 0, name, -1, NULL, 0);
if (len == 0) {
system_buf[0] = '\0';
return system_buf;
}
WCHAR *wide_buf = AllocaM(WCHAR, len);
MultiByteToWideChar(CP_UTF8, 0, name, -1, wide_buf, len);
len = WideCharToMultiByte(console_cp ? CP_OEMCP : CP_ACP, 0, wide_buf, len, system_buf, (int)buflen, NULL, NULL);
if (len == 0) system_buf[0] = '\0';
#endif
return system_buf;
}
/**
* Our very own SHGetFolderPath function for support of windows operating
* systems that don't have this function (eg Win9x, etc.). We try using the
* native function, and if that doesn't exist we will try a more crude approach
* of environment variables and hope for the best
*/
HRESULT OTTDSHGetFolderPath(HWND hwnd, int csidl, HANDLE hToken, DWORD dwFlags, LPTSTR pszPath)
{
static HRESULT (WINAPI *SHGetFolderPath)(HWND, int, HANDLE, DWORD, LPTSTR) = NULL;
static bool first_time = true;
/* We only try to load the library one time; if it fails, it fails */
if (first_time) {
#if defined(UNICODE)
# define W(x) x "W"
#else
# define W(x) x "A"
#endif
/* The function lives in shell32.dll for all current Windows versions, but it first started to appear in SHFolder.dll. */
if (!LoadLibraryList((Function*)&SHGetFolderPath, "shell32.dll\0" W("SHGetFolderPath") "\0\0")) {
if (!LoadLibraryList((Function*)&SHGetFolderPath, "SHFolder.dll\0" W("SHGetFolderPath") "\0\0")) {
DEBUG(misc, 0, "Unable to load " W("SHGetFolderPath") "from either shell32.dll or SHFolder.dll");
}
}
#undef W
first_time = false;
}
if (SHGetFolderPath != NULL) return SHGetFolderPath(hwnd, csidl, hToken, dwFlags, pszPath);
/* SHGetFolderPath doesn't exist, try a more conservative approach,
* eg environment variables. This is only included for legacy modes
* MSDN says: that 'pszPath' is a "Pointer to a null-terminated string of
* length MAX_PATH which will receive the path" so let's assume that
* Windows 95 with Internet Explorer 5.0, Windows 98 with Internet Explorer 5.0,
* Windows 98 Second Edition (SE), Windows NT 4.0 with Internet Explorer 5.0,
* Windows NT 4.0 with Service Pack 4 (SP4) */
{
DWORD ret;
switch (csidl) {
case CSIDL_FONTS: // Get the system font path, eg %WINDIR%\Fonts
ret = GetEnvironmentVariable(_T("WINDIR"), pszPath, MAX_PATH);
if (ret == 0) break;
_tcsncat(pszPath, _T("\\Fonts"), MAX_PATH);
return (HRESULT)0;
case CSIDL_PERSONAL:
case CSIDL_COMMON_DOCUMENTS: {
HKEY key;
if (RegOpenKeyEx(csidl == CSIDL_PERSONAL ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, REGSTR_PATH_SPECIAL_FOLDERS, 0, KEY_READ, &key) != ERROR_SUCCESS) break;
DWORD len = MAX_PATH;
ret = RegQueryValueEx(key, csidl == CSIDL_PERSONAL ? _T("Personal") : _T("Common Documents"), NULL, NULL, (LPBYTE)pszPath, &len);
RegCloseKey(key);
if (ret == ERROR_SUCCESS) return (HRESULT)0;
break;
}
/* XXX - other types to go here when needed... */
}
}
return E_INVALIDARG;
}
/** Determine the current user's locale. */
const char *GetCurrentLocale(const char *)
{
char lang[9], country[9];
if (GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_SISO639LANGNAME, lang, lengthof(lang)) == 0 ||
GetLocaleInfoA(LOCALE_USER_DEFAULT, LOCALE_SISO3166CTRYNAME, country, lengthof(country)) == 0) {
/* Unable to retrieve the locale. */
return NULL;
}
/* Format it as 'en_us'. */
static char retbuf[6] = {lang[0], lang[1], '_', country[0], country[1], 0};
return retbuf;
}
static WCHAR _cur_iso_locale[16] = L"";
void Win32SetCurrentLocaleName(const char *iso_code)
{
/* Convert the iso code into the format that windows expects. */
char iso[16];
if (strcmp(iso_code, "zh_TW") == 0) {
strecpy(iso, "zh-Hant", lastof(iso));
} else if (strcmp(iso_code, "zh_CN") == 0) {
strecpy(iso, "zh-Hans", lastof(iso));
} else {
/* Windows expects a '-' between language and country code, but we use a '_'. */
strecpy(iso, iso_code, lastof(iso));
for (char *c = iso; *c != '\0'; c++) {
if (*c == '_') *c = '-';
}
}
MultiByteToWideChar(CP_UTF8, 0, iso, -1, _cur_iso_locale, lengthof(_cur_iso_locale));
}
int OTTDStringCompare(const char *s1, const char *s2)
{
typedef int (WINAPI *PFNCOMPARESTRINGEX)(LPCWSTR, DWORD, LPCWCH, int, LPCWCH, int, LPVOID, LPVOID, LPARAM);
static PFNCOMPARESTRINGEX _CompareStringEx = NULL;
static bool first_time = true;
#ifndef SORT_DIGITSASNUMBERS
# define SORT_DIGITSASNUMBERS 0x00000008 // use digits as numbers sort method
#endif
#ifndef LINGUISTIC_IGNORECASE
# define LINGUISTIC_IGNORECASE 0x00000010 // linguistically appropriate 'ignore case'
#endif
if (first_time) {
_CompareStringEx = (PFNCOMPARESTRINGEX)GetProcAddress(GetModuleHandle(_T("Kernel32")), "CompareStringEx");
first_time = false;
}
if (_CompareStringEx != NULL) {
/* CompareStringEx takes UTF-16 strings, even in ANSI-builds. */
int len_s1 = MultiByteToWideChar(CP_UTF8, 0, s1, -1, NULL, 0);
int len_s2 = MultiByteToWideChar(CP_UTF8, 0, s2, -1, NULL, 0);
if (len_s1 != 0 && len_s2 != 0) {
LPWSTR str_s1 = AllocaM(WCHAR, len_s1);
LPWSTR str_s2 = AllocaM(WCHAR, len_s2);
MultiByteToWideChar(CP_UTF8, 0, s1, -1, str_s1, len_s1);
MultiByteToWideChar(CP_UTF8, 0, s2, -1, str_s2, len_s2);
int result = _CompareStringEx(_cur_iso_locale, LINGUISTIC_IGNORECASE | SORT_DIGITSASNUMBERS, str_s1, -1, str_s2, -1, NULL, NULL, 0);
if (result != 0) return result;
}
}
TCHAR s1_buf[512], s2_buf[512];
convert_to_fs(s1, s1_buf, lengthof(s1_buf));
convert_to_fs(s2, s2_buf, lengthof(s2_buf));
return CompareString(MAKELCID(_current_language->winlangid, SORT_DEFAULT), NORM_IGNORECASE, s1_buf, -1, s2_buf, -1);
}
#ifdef _MSC_VER
/* Based on code from MSDN: https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx */
const DWORD MS_VC_EXCEPTION = 0x406D1388;
PACK_N(struct THREADNAME_INFO {
DWORD dwType; ///< Must be 0x1000.
LPCSTR szName; ///< Pointer to name (in user addr space).
DWORD dwThreadID; ///< Thread ID (-1=caller thread).
DWORD dwFlags; ///< Reserved for future use, must be zero.
}, 8);
/**
* Signal thread name to any attached debuggers.
*/
void SetCurrentThreadName(const char *threadName)
{
THREADNAME_INFO info;
info.dwType = 0x1000;
info.szName = threadName;
info.dwThreadID = -1;
info.dwFlags = 0;
#pragma warning(push)
#pragma warning(disable: 6320 6322)
__try {
RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*)&info);
} __except (EXCEPTION_EXECUTE_HANDLER) {
}
#pragma warning(pop)
}
#else
void SetCurrentThreadName(const char *) {}
#endif
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