X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2bda0e173844e8e0f8acf4e8ad8b5c26e5c6fe5d..b5435dccd098ae153c3b7b3b8fca8dd0d763986c:/src/msw/utils.cpp?ds=sidebyside diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp index 361bd94e31..4ba9ff2a28 100644 --- a/src/msw/utils.cpp +++ b/src/msw/utils.cpp @@ -1,748 +1,1204 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: utils.cpp +// Name: msw/utils.cpp // Purpose: Various utilities // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation -#pragma implementation "utils.h" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #ifndef WX_PRECOMP -#include "wx/setup.h" -#include "wx/utils.h" -#include "wx/app.h" -#include "wx/cursor.h" -#endif + #include "wx/utils.h" + #include "wx/app.h" + #include "wx/intl.h" + #include "wx/log.h" +#endif //WX_PRECOMP -#include "wx/msw/private.h" -#include "wx/timer.h" +#include "wx/apptrait.h" -#include +#include "wx/msw/private.h" // includes +#include "wx/msw/missing.h" // CHARSET_HANGUL -#ifndef __GNUWIN32__ -#include -#include +#if defined(__GNUWIN32_OLD__) || defined(__WXWINCE__) + // apparently we need to include winsock.h to get WSADATA and other stuff + // used in wxGetFullHostName() with the old mingw32 versions + #include #endif -#ifdef __GNUWIN32__ -#include -#include -#ifndef __MINGW32__ -#include -#endif +#include "wx/timer.h" -#define stricmp strcasecmp -#endif +#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) + #include + + #ifndef __MWERKS__ + #include + #endif +#endif //GNUWIN32 + +#if defined(__CYGWIN__) + #include + #include + #include // for cygwin_conv_to_full_win32_path() +#endif //GNUWIN32 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs // this (3.1 I believe) and how to test for it. // If this works for Borland 4.0 as well, then no worries. -#include + #include #endif -#ifdef __WIN32__ -#include +// VZ: there is some code using NetXXX() functions to get the full user name: +// I don't think it's a good idea because they don't work under Win95 and +// seem to return the same as wxGetUserId() under NT. If you really want +// to use them, just #define USE_NET_API +#undef USE_NET_API -#ifndef __GNUWIN32__ -#include -#endif +#ifdef USE_NET_API + #include +#endif // USE_NET_API + +#if defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) + #ifndef __UNIX__ + #include + #endif + + #ifndef __GNUWIN32__ + #include + #endif #endif -#include -#include -#include #ifndef __WATCOMC__ -#if !(defined(_MSC_VER) && (_MSC_VER > 800)) -#include -#endif + #if !(defined(_MSC_VER) && (_MSC_VER > 800)) + #include + #endif #endif -#include + +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- // In the WIN.INI file -static const char WX_SECTION[] = "wxWindows"; -static const char eHOSTNAME[] = "HostName"; -static const char eUSERID[] = "UserId"; -static const char eUSERNAME[] = "UserName"; +static const wxChar WX_SECTION[] = wxT("wxWindows"); +static const wxChar eUSERNAME[] = wxT("UserName"); -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxPathList, wxList) -#endif +// these are only used under Win16 +#if !defined(__WIN32__) && !defined(__WXMICROWIN__) +static const wxChar eHOSTNAME[] = wxT("HostName"); +static const wxChar eUSERID[] = wxT("UserId"); +#endif // !Win32 -// For the following functions we SHOULD fill in support -// for Windows-NT (which I don't know) as I assume it begin -// a POSIX Unix (so claims MS) that it has some special -// functions beyond those provided by WinSock +// ============================================================================ +// implementation +// ============================================================================ -// Get full hostname (eg. DoDo.BSn-Germany.crg.de) -bool wxGetHostName(char *buf, int maxSize) +// ---------------------------------------------------------------------------- +// get host name and related +// ---------------------------------------------------------------------------- + +// Get hostname only (without domain name) +bool wxGetHostName(wxChar *buf, int maxSize) { -#ifdef __WIN32__ - DWORD nSize = maxSize; - return (::GetComputerName(buf, &nSize) != 0); +#if defined(__WXWINCE__) + return FALSE; +#elif defined(__WIN32__) && !defined(__WXMICROWIN__) + DWORD nSize = maxSize; + if ( !::GetComputerName(buf, &nSize) ) + { + wxLogLastError(wxT("GetComputerName")); + + return FALSE; + } + + return TRUE; #else - char *sysname; - const char *default_host = "noname"; - - if ((sysname = getenv("SYSTEM_NAME")) == NULL) { - GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1); - } else - strncpy(buf, sysname, maxSize - 1); - buf[maxSize] = '\0'; - return *buf ? TRUE : FALSE; + wxChar *sysname; + const wxChar *default_host = wxT("noname"); + + if ((sysname = wxGetenv(wxT("SYSTEM_NAME"))) == NULL) { + GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1); + } else + wxStrncpy(buf, sysname, maxSize - 1); + buf[maxSize] = wxT('\0'); + return *buf ? TRUE : FALSE; #endif } +// get full hostname (with domain name if possible) +bool wxGetFullHostName(wxChar *buf, int maxSize) +{ +#if defined(__WIN32__) && !defined(__WXMICROWIN__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__)) + // TODO should use GetComputerNameEx() when available + + // the idea is that if someone had set wxUSE_SOCKETS to 0 the code + // shouldn't use winsock.dll (a.k.a. ws2_32.dll) at all so only use this + // code if we link with it anyhow +#if wxUSE_SOCKETS + WSADATA wsa; + if ( WSAStartup(MAKEWORD(1, 1), &wsa) == 0 ) + { + wxString host; + char bufA[256]; + if ( gethostname(bufA, WXSIZEOF(bufA)) == 0 ) + { + // gethostname() won't usually include the DNS domain name, for + // this we need to work a bit more + if ( !strchr(bufA, '.') ) + { + struct hostent *pHostEnt = gethostbyname(bufA); + + if ( pHostEnt ) + { + // Windows will use DNS internally now + pHostEnt = gethostbyaddr(pHostEnt->h_addr, 4, AF_INET); + } + + if ( pHostEnt ) + { + host = wxString::FromAscii(pHostEnt->h_name); + } + } + } + + WSACleanup(); + + if ( !host.empty() ) + { + wxStrncpy(buf, host, maxSize); + + return TRUE; + } + } + +#endif // wxUSE_SOCKETS + +#endif // Win32 + + return wxGetHostName(buf, maxSize); +} + // Get user ID e.g. jacs -bool wxGetUserId(char *buf, int maxSize) +bool wxGetUserId(wxChar *buf, int maxSize) { -#if defined(__WIN32__) && !defined(__win32s__) && 0 - // Gets the current user's full name according to the MS article PSS ID - // Number: Q119670 - // Seems to be the same as the login name for me? - char *UserName = new char[256]; - char *Domain = new char[256]; - DWORD maxCharacters = 255; - GetUserName( UserName, &maxCharacters ); - GetComputerName( Domain, &maxCharacters ); - - WCHAR wszUserName[256]; // Unicode user name - WCHAR wszDomain[256]; - LPBYTE ComputerName; - - struct _SERVER_INFO_100 *si100; // Server structure - struct _USER_INFO_2 *ui; // User structure - - // Convert ASCII user name and domain to Unicode. - - MultiByteToWideChar( CP_ACP, 0, UserName, - strlen(UserName)+1, wszUserName, sizeof(wszUserName) ); - MultiByteToWideChar( CP_ACP, 0, Domain, - strlen(Domain)+1, wszDomain, sizeof(wszDomain) ); - - // Get the computer name of a DC for the specified domain. - // >If you get a link error on this, include netapi32.lib< - - NetGetDCName( NULL, wszDomain, &ComputerName ); - - // Look up the user on the DC. - - if(NetUserGetInfo( (LPWSTR) ComputerName, - (LPWSTR) &wszUserName, 2, (LPBYTE *) &ui)) - { - printf( "Error getting user information.\n" ); - return( FALSE ); - } - - // Convert the Unicode full name to ASCII. - - WideCharToMultiByte( CP_ACP, 0, ui->usri2_full_name, - -1, buf, 256, NULL, NULL ); - } - return( TRUE ); -/* - DWORD nSize = maxSize; - return ::GetUserName(buf, &nSize); -*/ -#else - char *user; - const char *default_id = "anonymous"; - - // Can't assume we have NIS (PC-NFS) or some other ID daemon - // So we ... - if ( (user = getenv("USER")) == NULL && - (user = getenv("LOGNAME")) == NULL ) { - // Use wxWindows configuration data (comming soon) - GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1); - } else - strncpy(buf, user, maxSize - 1); - return *buf ? TRUE : FALSE; +#if defined(__WXWINCE__) + return FALSE; +#elif defined(__WIN32__) && !defined(__win32s__) && !defined(__WXMICROWIN__) + DWORD nSize = maxSize; + if ( ::GetUserName(buf, &nSize) == 0 ) + { + // actually, it does happen on Win9x if the user didn't log on + DWORD res = ::GetEnvironmentVariable(wxT("username"), buf, maxSize); + if ( res == 0 ) + { + // not found + return FALSE; + } + } + + return TRUE; +#else // Win16 or Win32s + wxChar *user; + const wxChar *default_id = wxT("anonymous"); + + // Can't assume we have NIS (PC-NFS) or some other ID daemon + // So we ... + if ( (user = wxGetenv(wxT("USER"))) == NULL && + (user = wxGetenv(wxT("LOGNAME"))) == NULL ) + { + // Use wxWindows configuration data (comming soon) + GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1); + } + else + { + wxStrncpy(buf, user, maxSize - 1); + } + + return *buf ? TRUE : FALSE; #endif } // Get user name e.g. Julian Smart -bool wxGetUserName(char *buf, int maxSize) +bool wxGetUserName(wxChar *buf, int maxSize) { - const char *default_name = "Unknown User"; -#if defined(__WIN32__) -/* - DWORD nSize = maxSize; - In VC++ 4.0, results in unresolved symbol __imp__GetUserNameA - if (GetUserName(buf, &nSize)) +#if defined(__WXWINCE__) + return FALSE; +#elif defined(USE_NET_API) + CHAR szUserName[256]; + if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) ) + return FALSE; + + // TODO how to get the domain name? + CHAR *szDomain = ""; + + // the code is based on the MSDN example (also see KB article Q119670) + WCHAR wszUserName[256]; // Unicode user name + WCHAR wszDomain[256]; + LPBYTE ComputerName; + + USER_INFO_2 *ui2; // User structure + + // Convert ANSI user name and domain to Unicode + MultiByteToWideChar( CP_ACP, 0, szUserName, strlen(szUserName)+1, + wszUserName, WXSIZEOF(wszUserName) ); + MultiByteToWideChar( CP_ACP, 0, szDomain, strlen(szDomain)+1, + wszDomain, WXSIZEOF(wszDomain) ); + + // Get the computer name of a DC for the domain. + if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success ) + { + wxLogError(wxT("Can not find domain controller")); + + goto error; + } + + // Look up the user on the DC + NET_API_STATUS status = NetUserGetInfo( (LPWSTR)ComputerName, + (LPWSTR)&wszUserName, + 2, // level - we want USER_INFO_2 + (LPBYTE *) &ui2 ); + switch ( status ) + { + case NERR_Success: + // ok + break; + + case NERR_InvalidComputer: + wxLogError(wxT("Invalid domain controller name.")); + + goto error; + + case NERR_UserNotFound: + wxLogError(wxT("Invalid user name '%s'."), szUserName); + + goto error; + + default: + wxLogSysError(wxT("Can't get information about user")); + + goto error; + } + + // Convert the Unicode full name to ANSI + WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1, + buf, maxSize, NULL, NULL ); + return TRUE; - else -*/ - // Could use NIS, MS-Mail or other site specific programs - // Use wxWindows configuration data - GetProfileString(WX_SECTION, eUSERNAME, default_name, buf, maxSize - 1); - return *buf ? TRUE : FALSE; -// } -#else -#if !defined(__WATCOMC__) && !defined(__GNUWIN32__) && USE_PENWINDOWS - extern HANDLE hPenWin; // PenWindows Running? - if (hPenWin) - { - // PenWindows Does have a user concept! - // Get the current owner of the recognizer - GetPrivateProfileString("Current", "User", default_name, wxBuffer, maxSize - 1, "PENWIN.INI"); - strncpy(buf, wxBuffer, maxSize - 1); - } - else -#endif - { + +error: + wxLogError(wxT("Couldn't look up full user name.")); + + return FALSE; +#else // !USE_NET_API // Could use NIS, MS-Mail or other site specific programs - // Use wxWindows configuration data - GetProfileString(WX_SECTION, eUSERNAME, default_name, buf, maxSize - 1); - } - return *buf ? TRUE : FALSE; -#endif -} + // Use wxWindows configuration data + bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxEmptyString, buf, maxSize - 1) != 0; + if ( !ok ) + { + ok = wxGetUserId(buf, maxSize); + } + + if ( !ok ) + { + wxStrncpy(buf, wxT("Unknown User"), maxSize); + } +#endif // Win32/16 -// Execute a command (e.g. another program) in a -// system-independent manner. + return TRUE; +} -long wxExecute(char **argv, bool sync) +const wxChar* wxGetHomeDir(wxString *pstr) { - if (*argv == NULL) - return 0; + wxString& strDir = *pstr; + +#if defined(__UNIX__) + const wxChar *szHome = wxGetenv("HOME"); + if ( szHome == NULL ) { + // we're homeless... + wxLogWarning(_("can't find user's HOME, using current directory.")); + strDir = wxT("."); + } + else + strDir = szHome; + + // add a trailing slash if needed + if ( strDir.Last() != wxT('/') ) + strDir << wxT('/'); + + #ifdef __CYGWIN__ + // Cygwin returns unix type path but that does not work well + static wxChar windowsPath[MAX_PATH]; + cygwin_conv_to_full_win32_path(strDir, windowsPath); + strDir = windowsPath; + #endif +#elif defined(__WXWINCE__) + // Nothing +#else + #ifdef __WIN32__ + strDir.clear(); - char command[1024]; - command[0] = '\0'; + // If we have a valid HOME directory, as is used on many machines that + // have unix utilities on them, we should use that. + const wxChar *szHome = wxGetenv(wxT("HOME")); - int argc; - for (argc = 0; argv[argc]; argc++) - { - if (argc) - strcat(command, " "); - strcat(command, argv[argc]); - } + if ( szHome != NULL ) + { + strDir = szHome; + } + else // no HOME, try HOMEDRIVE/PATH + { + szHome = wxGetenv(wxT("HOMEDRIVE")); + if ( szHome != NULL ) + strDir << szHome; + szHome = wxGetenv(wxT("HOMEPATH")); + + if ( szHome != NULL ) + { + strDir << szHome; + + // the idea is that under NT these variables have default values + // of "%systemdrive%:" and "\\". As we don't want to create our + // config files in the root directory of the system drive, we will + // create it in our program's dir. However, if the user took care + // to set HOMEPATH to something other than "\\", we suppose that he + // knows what he is doing and use the supplied value. + if ( wxStrcmp(szHome, wxT("\\")) == 0 ) + strDir.clear(); + } + } - return wxExecute((char *)command, sync); + if ( strDir.empty() ) + { + // If we have a valid USERPROFILE directory, as is the case in + // Windows NT, 2000 and XP, we should use that as our home directory. + szHome = wxGetenv(wxT("USERPROFILE")); + + if ( szHome != NULL ) + strDir = szHome; + } + + if ( !strDir.empty() ) + { + return strDir.c_str(); + } + //else: fall back to the prograrm directory + #else // Win16 + // Win16 has no idea about home, so use the executable directory instead + #endif // WIN16/32 + + // 260 was taken from windef.h + #ifndef MAX_PATH + #define MAX_PATH 260 + #endif + + wxString strPath; + ::GetModuleFileName(::GetModuleHandle(NULL), + wxStringBuffer(strPath, MAX_PATH), MAX_PATH); + + // extract the dir name + wxSplitPath(strPath, &strDir, NULL, NULL); + +#endif // UNIX/Win + + return strDir.c_str(); } -long wxExecute(const wxString& command, bool sync) +wxChar *wxGetUserHome(const wxString& WXUNUSED(user)) { - if (command == "") - return 0; + // VZ: the old code here never worked for user != "" anyhow! Moreover, it + // returned sometimes a malloc()'d pointer, sometimes a pointer to a + // static buffer and sometimes I don't even know what. + static wxString s_home; -#ifdef __WIN32__ - char * cl; - char * argp; - int clen; - HINSTANCE result; - DWORD dresult; - - // copy the command line - clen = command.Length(); - if (!clen) return -1; - cl = (char *) calloc( 1, 256); - if (!cl) return -1; - strcpy( cl, WXSTRINGCAST command); - - // isolate command and arguments - argp = strchr( cl, ' '); - if (argp) - *argp++ = '\0'; - - // execute the command -#ifdef __GNUWIN32__ - result = ShellExecute( (HWND) (wxTheApp->GetTopWindow() ? (HWND) wxTheApp->GetTopWindow()->GetHWND() : NULL), - (const wchar_t) "open", (const wchar_t) cl, (const wchar_t) argp, (const wchar_t) NULL, SW_SHOWNORMAL); + return (wxChar *)wxGetHomeDir(&s_home); +} + +bool wxDirExists(const wxString& dir) +{ +#ifdef __WXMICROWIN__ + return wxPathExist(dir); +#elif defined(__WIN32__) + DWORD attribs = GetFileAttributes(dir); + return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY)); +#else // Win16 + #ifdef __BORLANDC__ + struct ffblk fileInfo; + #else + struct find_t fileInfo; + #endif + // In Borland findfirst has a different argument + // ordering from _dos_findfirst. But _dos_findfirst + // _should_ be ok in both MS and Borland... why not? + #ifdef __BORLANDC__ + return (findfirst(dir, &fileInfo, _A_SUBDIR) == 0 && + (fileInfo.ff_attrib & _A_SUBDIR) != 0); + #else + return (_dos_findfirst(dir, _A_SUBDIR, &fileInfo) == 0) && + ((fileInfo.attrib & _A_SUBDIR) != 0); + #endif +#endif // Win32/16 +} + +bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) +{ +#ifdef __WXWINCE__ + return FALSE; #else - result = ShellExecute( (HWND) (wxTheApp->GetTopWindow() ? wxTheApp->GetTopWindow()->GetHWND() : NULL), - "open", cl, argp, NULL, SW_SHOWNORMAL); + if ( path.empty() ) + return FALSE; + +// old w32api don't have ULARGE_INTEGER +#if defined(__WIN32__) && \ + (!defined(__GNUWIN32__) || wxCHECK_W32API_VERSION( 0, 3 )) + // GetDiskFreeSpaceEx() is not available under original Win95, check for + // it + typedef BOOL (WINAPI *GetDiskFreeSpaceEx_t)(LPCTSTR, + PULARGE_INTEGER, + PULARGE_INTEGER, + PULARGE_INTEGER); + + GetDiskFreeSpaceEx_t + pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress + ( + ::GetModuleHandle(_T("kernel32.dll")), +#if wxUSE_UNICODE + "GetDiskFreeSpaceExW" +#else + "GetDiskFreeSpaceExA" #endif + ); - if (((long)result) <= 32) { - free(cl); - return 0; - } - - if (!sync) - { - free(cl); - return dresult; - } - - // waiting until command executed - do { - wxYield(); - dresult = GetModuleFileName( result, cl, 256); - } while( dresult); - - /* long lastError = GetLastError(); */ - - free(cl); - return 0; -#else - long instanceID = WinExec((LPCSTR) WXSTRINGCAST command, SW_SHOW); - if (instanceID < 32) return(0); - - if (sync) { - int running; - do { - wxYield(); - running = GetModuleUsage((HANDLE)instanceID); - } while (running); - } - return(instanceID); + if ( pGetDiskFreeSpaceEx ) + { + ULARGE_INTEGER bytesFree, bytesTotal; + + // may pass the path as is, GetDiskFreeSpaceEx() is smart enough + if ( !pGetDiskFreeSpaceEx(path, + &bytesFree, + &bytesTotal, + NULL) ) + { + wxLogLastError(_T("GetDiskFreeSpaceEx")); + + return FALSE; + } + + // ULARGE_INTEGER is a union of a 64 bit value and a struct containing + // two 32 bit fields which may be or may be not named - try to make it + // compile in all cases +#if defined(__BORLANDC__) && !defined(_ANONYMOUS_STRUCT) + #define UL(ul) ul.u +#else // anon union + #define UL(ul) ul #endif -} + if ( pTotal ) + { + *pTotal = wxLongLong(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart); + } + + if ( pFree ) + { + *pFree = wxLongLong(UL(bytesFree).HighPart, UL(bytesFree).LowPart); + } + } + else +#endif // Win32 + { + // there's a problem with drives larger than 2GB, GetDiskFreeSpaceEx() + // should be used instead - but if it's not available, fall back on + // GetDiskFreeSpace() nevertheless... + + DWORD lSectorsPerCluster, + lBytesPerSector, + lNumberOfFreeClusters, + lTotalNumberOfClusters; + + // FIXME: this is wrong, we should extract the root drive from path + // instead, but this is the job for wxFileName... + if ( !::GetDiskFreeSpace(path, + &lSectorsPerCluster, + &lBytesPerSector, + &lNumberOfFreeClusters, + &lTotalNumberOfClusters) ) + { + wxLogLastError(_T("GetDiskFreeSpace")); + + return FALSE; + } + + wxLongLong lBytesPerCluster = lSectorsPerCluster; + lBytesPerCluster *= lBytesPerSector; + + if ( pTotal ) + { + *pTotal = lBytesPerCluster; + *pTotal *= lTotalNumberOfClusters; + } + + if ( pFree ) + { + *pFree = lBytesPerCluster; + *pFree *= lNumberOfFreeClusters; + } + } -int wxKill(long pid, int sig) -{ - return 0; + return TRUE; +#endif + // __WXWINCE__ } -// -// Execute a program in an Interactive Shell -// -bool -wxShell(const wxString& command) +// ---------------------------------------------------------------------------- +// env vars +// ---------------------------------------------------------------------------- + +bool wxGetEnv(const wxString& var, wxString *value) { - char *shell; - if ((shell = getenv("COMSPEC")) == NULL) - shell = "\\COMMAND.COM"; +#ifdef __WXWINCE__ + return FALSE; +#elif defined(__WIN16__) + const wxChar* ret = wxGetenv(var); + if ( !ret ) + return FALSE; + + if ( value ) + { + *value = ret; + } + + return TRUE; +#else // Win32 + // first get the size of the buffer + DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0); + if ( !dwRet ) + { + // this means that there is no such variable + return FALSE; + } - char tmp[255]; - if (command != "") - sprintf(tmp, "%s /c %s", shell, WXSTRINGCAST command); - else - strcpy(tmp, shell); + if ( value ) + { + (void)::GetEnvironmentVariable(var, wxStringBuffer(*value, dwRet), + dwRet); + } - return (wxExecute((char *)tmp, FALSE) != 0); + return TRUE; +#endif // Win16/32 } -// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX) -long wxGetFreeMemory(void) +bool wxSetEnv(const wxString& var, const wxChar *value) { -#if defined(__WIN32__) && !defined(__BORLANDC__) - MEMORYSTATUS memStatus; - memStatus.dwLength = sizeof(MEMORYSTATUS); - GlobalMemoryStatus(&memStatus); - return memStatus.dwAvailPhys; -#else - return (long)GetFreeSpace(0); + // some compilers have putenv() or _putenv() or _wputenv() but it's better + // to always use Win32 function directly instead of dealing with them +#if defined(__WIN32__) && !defined(__WXWINCE__) + if ( !::SetEnvironmentVariable(var, value) ) + { + wxLogLastError(_T("SetEnvironmentVariable")); + + return FALSE; + } + + return TRUE; +#else // no way to set env vars + return FALSE; #endif } -// Sleep for nSecs seconds. Attempt a Windows implementation using timers. -static bool inTimer = FALSE; -class wxSleepTimer: public wxTimer +// ---------------------------------------------------------------------------- +// process management +// ---------------------------------------------------------------------------- + +// structure used to pass parameters from wxKill() to wxEnumFindByPidProc() +struct wxFindByPidParams { - public: - inline void Notify(void) - { - inTimer = FALSE; - Stop(); - } -}; + wxFindByPidParams() { hwnd = 0; pid = 0; } -static wxTimer *wxTheSleepTimer = NULL; + // the HWND used to return the result + HWND hwnd; -void wxSleep(int nSecs) -{ -#if 0 // WIN32 hangs app - Sleep( 1000*nSecs ); -#else - if (inTimer) - return; - - wxTheSleepTimer = new wxSleepTimer; - inTimer = TRUE; - wxTheSleepTimer->Start(nSecs*1000); - while (inTimer) - { - if (wxTheApp->Pending()) - wxTheApp->Dispatch(); - } - delete wxTheSleepTimer; - wxTheSleepTimer = NULL; -#endif -} + // the PID we're looking from + DWORD pid; -// Consume all events until no more left -void wxFlushEvents(void) + DECLARE_NO_COPY_CLASS(wxFindByPidParams) +}; + +// wxKill helper: EnumWindows() callback which is used to find the first (top +// level) window belonging to the given process +BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam) { -// wxYield(); + DWORD pid; + (void)::GetWindowThreadProcessId(hwnd, &pid); + + wxFindByPidParams *params = (wxFindByPidParams *)lParam; + if ( pid == params->pid ) + { + // remember the window we found + params->hwnd = hwnd; + + // return FALSE to stop the enumeration + return FALSE; + } + + // continue enumeration + return TRUE; } -// Output a debug mess., in a system dependent fashion. -void wxDebugMsg(const char *fmt ...) +int wxKill(long pid, wxSignal sig, wxKillError *krc) { - va_list ap; - static char buffer[512]; + // get the process handle to operate on + HANDLE hProcess = ::OpenProcess(SYNCHRONIZE | + PROCESS_TERMINATE | + PROCESS_QUERY_INFORMATION, + FALSE, // not inheritable + (DWORD)pid); + if ( hProcess == NULL ) + { + if ( krc ) + { + if ( ::GetLastError() == ERROR_ACCESS_DENIED ) + { + *krc = wxKILL_ACCESS_DENIED; + } + else + { + *krc = wxKILL_NO_PROCESS; + } + } + + return -1; + } - if (!wxTheApp->GetWantDebugOutput()) - return ; + bool ok = TRUE; + switch ( sig ) + { + case wxSIGKILL: + // kill the process forcefully returning -1 as error code + if ( !::TerminateProcess(hProcess, (UINT)-1) ) + { + wxLogSysError(_("Failed to kill process %d"), pid); + + if ( krc ) + { + // this is not supposed to happen if we could open the + // process + *krc = wxKILL_ERROR; + } + + ok = FALSE; + } + break; + + case wxSIGNONE: + // do nothing, we just want to test for process existence + break; + + default: + // any other signal means "terminate" + { + wxFindByPidParams params; + params.pid = (DWORD)pid; + + // EnumWindows() has nice semantics: it returns 0 if it found + // something or if an error occured and non zero if it + // enumerated all the window + if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)¶ms) ) + { + // did we find any window? + if ( params.hwnd ) + { + // tell the app to close + // + // NB: this is the harshest way, the app won't have + // opportunity to save any files, for example, but + // this is probably what we want here. If not we + // can also use SendMesageTimeout(WM_CLOSE) + if ( !::PostMessage(params.hwnd, WM_QUIT, 0, 0) ) + { + wxLogLastError(_T("PostMessage(WM_QUIT)")); + } + } + else // it was an error then + { + wxLogLastError(_T("EnumWindows")); + + ok = FALSE; + } + } + else // no windows for this PID + { + if ( krc ) + { + *krc = wxKILL_ERROR; + } + + ok = FALSE; + } + } + } - va_start(ap, fmt); + // the return code + DWORD rc; - wvsprintf(buffer,fmt,ap) ; - OutputDebugString((LPCSTR)buffer) ; + if ( ok ) + { + // as we wait for a short time, we can use just WaitForSingleObject() + // and not MsgWaitForMultipleObjects() + switch ( ::WaitForSingleObject(hProcess, 500 /* msec */) ) + { + case WAIT_OBJECT_0: + // process terminated + if ( !::GetExitCodeProcess(hProcess, &rc) ) + { + wxLogLastError(_T("GetExitCodeProcess")); + } + break; + + default: + wxFAIL_MSG( _T("unexpected WaitForSingleObject() return") ); + // fall through + + case WAIT_FAILED: + wxLogLastError(_T("WaitForSingleObject")); + // fall through + + case WAIT_TIMEOUT: + if ( krc ) + { + *krc = wxKILL_ERROR; + } + + rc = STILL_ACTIVE; + break; + } + } + else // !ok + { + // just to suppress the warnings about uninitialized variable + rc = 0; + } - va_end(ap); -} + ::CloseHandle(hProcess); -// Non-fatal error: pop up message box and (possibly) continue -void wxError(const wxString& msg, const wxString& title) -{ - sprintf(wxBuffer, "%s\nContinue?", WXSTRINGCAST msg); - if (MessageBox(NULL, (LPCSTR)wxBuffer, (LPCSTR)WXSTRINGCAST title, - MB_ICONSTOP | MB_YESNO) == IDNO) - wxExit(); -} + // the return code is the same as from Unix kill(): 0 if killed + // successfully or -1 on error + // + // be careful to interpret rc correctly: for wxSIGNONE we return success if + // the process exists, for all the other sig values -- if it doesn't + if ( ok && + ((sig == wxSIGNONE) == (rc == STILL_ACTIVE)) ) + { + if ( krc ) + { + *krc = wxKILL_OK; + } -// Fatal error: pop up message box and abort -void wxFatalError(const wxString& msg, const wxString& title) -{ - sprintf(wxBuffer, "%s: %s", WXSTRINGCAST title, WXSTRINGCAST msg); - FatalAppExit(0, (LPCSTR)wxBuffer); -} + return 0; + } -// Emit a beeeeeep -void wxBell(void) -{ -#ifdef __WIN32__ - Beep(1000,1000) ; // 1kHz during 1 sec. -#else - MessageBeep(-1) ; -#endif + // error + return -1; } -int wxGetOsVersion(int *majorVsn, int *minorVsn) +// Execute a program in an Interactive Shell +bool wxShell(const wxString& command) { - extern char *wxOsVersion; - if (majorVsn) - *majorVsn = 0; - if (minorVsn) - *minorVsn = 0; - - int retValue ; -#ifndef __WIN32__ -#ifdef __WINDOWS_386__ - retValue = wxWIN386; +#ifdef __WXWINCE__ + return FALSE; #else + wxChar *shell = wxGetenv(wxT("COMSPEC")); + if ( !shell ) + shell = (wxChar*) wxT("\\COMMAND.COM"); -#if !defined(__WATCOMC__) && !defined(__GNUWIN32__) && USE_PENWINDOWS - extern HANDLE hPenWin; - retValue = hPenWin ? wxPENWINDOWS : wxWINDOWS ; -#endif + wxString cmd; + if ( !command ) + { + // just the shell + cmd = shell; + } + else + { + // pass the command to execute to the command processor + cmd.Printf(wxT("%s /c %s"), shell, command.c_str()); + } + return wxExecute(cmd, wxEXEC_SYNC) == 0; #endif -#else - DWORD Version = GetVersion() ; - WORD lowWord = LOWORD(Version) ; - - if (wxOsVersion) - { - if (strcmp(wxOsVersion, "Win95") == 0) - return wxWIN95; - else if (strcmp(wxOsVersion, "Win32s") == 0) - return wxWIN32S; - else if (strcmp(wxOsVersion, "Windows") == 0) - return wxWINDOWS; - else if (strcmp(wxOsVersion, "WinNT") == 0) - return wxWINDOWS_NT; - } - bool Win32s = (( Version & 0x80000000 ) != 0); - bool Win95 = (( Version & 0xFF ) >= 4); - bool WinNT = Version < 0x80000000; - - // Get the version number - if (majorVsn) - *majorVsn = LOBYTE( lowWord ); - if (minorVsn) - *minorVsn = HIBYTE( lowWord ); - - if (Win95) - return wxWIN95; - else if (Win32s) - return wxWIN32S; - else if (WinNT) - return wxWINDOWS_NT; - else - return wxWINDOWS; - -// retValue = ((high & 0x8000)==0) ? wxWINDOWS_NT : wxWIN32S ; -#endif - // @@@@ To be completed. I don't have the manual here... - if (majorVsn) *majorVsn = 3 ; - if (minorVsn) *minorVsn = 1 ; - return retValue ; } -// Reading and writing resources (eg WIN.INI, .Xdefaults) -#if USE_RESOURCES -bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file) +// Shutdown or reboot the PC +bool wxShutdown(wxShutdownFlags wFlags) { - if (file != "") - return (WritePrivateProfileString((LPCSTR)WXSTRINGCAST section, (LPCSTR)WXSTRINGCAST entry, (LPCSTR)value, (LPCSTR)WXSTRINGCAST file) != 0); - else - return (WriteProfileString((LPCSTR)WXSTRINGCAST section, (LPCSTR)WXSTRINGCAST entry, (LPCSTR)WXSTRINGCAST value) != 0); -} +#ifdef __WXWINCE__ + return FALSE; +#elif defined(__WIN32__) + bool bOK = TRUE; -bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file) -{ - char buf[50]; - sprintf(buf, "%.4f", value); - return wxWriteResource(section, entry, buf, file); + if ( wxGetOsVersion(NULL, NULL) == wxWINDOWS_NT ) // if is NT or 2K + { + // Get a token for this process. + HANDLE hToken; + bOK = ::OpenProcessToken(GetCurrentProcess(), + TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, + &hToken) != 0; + if ( bOK ) + { + TOKEN_PRIVILEGES tkp; + + // Get the LUID for the shutdown privilege. + ::LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, + &tkp.Privileges[0].Luid); + + tkp.PrivilegeCount = 1; // one privilege to set + tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; + + // Get the shutdown privilege for this process. + ::AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, + (PTOKEN_PRIVILEGES)NULL, 0); + + // Cannot test the return value of AdjustTokenPrivileges. + bOK = ::GetLastError() == ERROR_SUCCESS; + } + } + + if ( bOK ) + { + UINT flags = EWX_SHUTDOWN | EWX_FORCE; + switch ( wFlags ) + { + case wxSHUTDOWN_POWEROFF: + flags |= EWX_POWEROFF; + break; + + case wxSHUTDOWN_REBOOT: + flags |= EWX_REBOOT; + break; + + default: + wxFAIL_MSG( _T("unknown wxShutdown() flag") ); + return FALSE; + } + + bOK = ::ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE | EWX_REBOOT, 0) != 0; + } + + return bOK; +#else // Win16 + return FALSE; +#endif // Win32/16 } -bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file) +// ---------------------------------------------------------------------------- +// misc +// ---------------------------------------------------------------------------- + +// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX) +long wxGetFreeMemory() { - char buf[50]; - sprintf(buf, "%ld", value); - return wxWriteResource(section, entry, buf, file); +#if defined(__WIN32__) && !defined(__BORLANDC__) + MEMORYSTATUS memStatus; + memStatus.dwLength = sizeof(MEMORYSTATUS); + GlobalMemoryStatus(&memStatus); + return memStatus.dwAvailPhys; +#else + return (long)GetFreeSpace(0); +#endif } -bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file) +unsigned long wxGetProcessId() { - char buf[50]; - sprintf(buf, "%d", value); - return wxWriteResource(section, entry, buf, file); +#ifdef __WIN32__ + return ::GetCurrentProcessId(); +#else + return 0; +#endif } -bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file) -{ - static const char defunkt[] = "$$default"; - if (file != "") - { - int n = GetPrivateProfileString((LPCSTR)WXSTRINGCAST section, (LPCSTR)WXSTRINGCAST entry, (LPCSTR)defunkt, - (LPSTR)wxBuffer, 1000, (LPCSTR)WXSTRINGCAST file); - if (n == 0 || strcmp(wxBuffer, defunkt) == 0) - return FALSE; - } - else - { - int n = GetProfileString((LPCSTR)WXSTRINGCAST section, (LPCSTR)WXSTRINGCAST entry, (LPCSTR)defunkt, - (LPSTR)wxBuffer, 1000); - if (n == 0 || strcmp(wxBuffer, defunkt) == 0) - return FALSE; - } - if (*value) delete[] (*value); - *value = copystring(wxBuffer); - return TRUE; - } - -bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file) +// Emit a beeeeeep +void wxBell() { - char *s = NULL; - bool succ = wxGetResource(section, entry, (char **)&s, file); - if (succ) - { - *value = (float)strtod(s, NULL); - delete[] s; - return TRUE; - } - else return FALSE; + ::MessageBeep((UINT)-1); // default sound } -bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file) +wxString wxGetOsDescription() { - char *s = NULL; - bool succ = wxGetResource(section, entry, (char **)&s, file); - if (succ) - { - *value = strtol(s, NULL, 10); - delete[] s; - return TRUE; - } - else return FALSE; +#ifdef __WIN32__ + wxString str; + + OSVERSIONINFO info; + wxZeroMemory(info); + + info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + if ( ::GetVersionEx(&info) ) + { + switch ( info.dwPlatformId ) + { + case VER_PLATFORM_WIN32s: + str = _("Win32s on Windows 3.1"); + break; + + case VER_PLATFORM_WIN32_WINDOWS: + str.Printf(_("Windows 9%c"), + info.dwMinorVersion == 0 ? _T('5') : _T('8')); + if ( !wxIsEmpty(info.szCSDVersion) ) + { + str << _T(" (") << info.szCSDVersion << _T(')'); + } + break; + + case VER_PLATFORM_WIN32_NT: + str.Printf(_T("Windows NT %lu.%lu (build %lu"), + info.dwMajorVersion, + info.dwMinorVersion, + info.dwBuildNumber); + if ( !wxIsEmpty(info.szCSDVersion) ) + { + str << _T(", ") << info.szCSDVersion; + } + str << _T(')'); + break; + } + } + else + { + wxFAIL_MSG( _T("GetVersionEx() failed") ); // should never happen + } + + return str; +#else // Win16 + return _("Windows 3.1"); +#endif // Win32/16 } -bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file) +int wxAppTraits::GetOSVersion(int *verMaj, int *verMin) { - char *s = NULL; - bool succ = wxGetResource(section, entry, (char **)&s, file); - if (succ) - { - *value = (int)strtol(s, NULL, 10); - delete[] s; - return TRUE; - } - else return FALSE; + // cache the version info, it's not going to change + // + // NB: this is MT-safe, we may use these static vars from different threads + // but as they always have the same value it doesn't matter + static int s_ver = -1, + s_major = -1, + s_minor = -1; + + if ( s_ver == -1 ) + { + OSVERSIONINFO info; + wxZeroMemory(info); + + s_ver = wxWINDOWS; + info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + if ( ::GetVersionEx(&info) ) + { + s_major = info.dwMajorVersion; + s_minor = info.dwMinorVersion; + + switch ( info.dwPlatformId ) + { + case VER_PLATFORM_WIN32s: + s_ver = wxWIN32S; + break; + + case VER_PLATFORM_WIN32_WINDOWS: + s_ver = wxWIN95; + break; + + case VER_PLATFORM_WIN32_NT: + s_ver = wxWINDOWS_NT; + break; +#ifdef __WXWINCE__ + case VER_PLATFORM_WIN32_CE: + s_ver = wxWINDOWS_CE; + break; +#endif + } + } + } + + if ( verMaj ) + *verMaj = s_major; + if ( verMin ) + *verMin = s_minor; + + return s_ver; } -#endif // USE_RESOURCES -// Old cursor -static HCURSOR wxBusyCursorOld = 0; -static int wxBusyCursorCount = 0; +// ---------------------------------------------------------------------------- +// sleep functions +// ---------------------------------------------------------------------------- -// Set the cursor to the busy cursor for all windows -void wxBeginBusyCursor(wxCursor *cursor) +void wxUsleep(unsigned long milliseconds) { - wxBusyCursorCount ++; - if (wxBusyCursorCount == 1) - { - wxBusyCursorOld = ::SetCursor((HCURSOR) cursor->GetHCURSOR()); - } - else - { - (void)::SetCursor((HCURSOR) cursor->GetHCURSOR()); - } + ::Sleep(milliseconds); } -// Restore cursor to normal -void wxEndBusyCursor(void) +void wxSleep(int nSecs) { - if (wxBusyCursorCount == 0) - return; - - wxBusyCursorCount --; - if (wxBusyCursorCount == 0) - { - ::SetCursor(wxBusyCursorOld); - wxBusyCursorOld = 0; - } + wxUsleep(1000*nSecs); } -// TRUE if we're between the above two calls -bool wxIsBusy(void) -{ - return (wxBusyCursorCount > 0); -} +// ---------------------------------------------------------------------------- +// font encoding <-> Win32 codepage conversion functions +// ---------------------------------------------------------------------------- -// Hack for MS-DOS -char *wxGetUserHome (const wxString& user) +extern WXDLLIMPEXP_BASE long wxEncodingToCharset(wxFontEncoding encoding) { - char *home; - wxString user1(user); - - if (user1 != "") { - char tmp[64]; - if (wxGetUserId(tmp, sizeof(tmp)/sizeof(char))) { - // Guests belong in the temp dir - if (stricmp(tmp, "annonymous") == 0) { - if ((home = getenv("TMP")) != NULL || - (home = getenv("TMPDIR")) != NULL || - (home = getenv("TEMP")) != NULL) - return *home ? home : "\\"; - } - if (stricmp(tmp, WXSTRINGCAST user1) == 0) - user1 = ""; - } - } - if (user1 == "") - if ((home = getenv("HOME")) != NULL) + switch ( encoding ) { - strcpy(wxBuffer, home); - Unix2DosFilename(wxBuffer); - return wxBuffer; - } - return NULL; // No home known! -} + // although this function is supposed to return an exact match, do do + // some mappings here for the most common case of "standard" encoding + case wxFONTENCODING_SYSTEM: + return DEFAULT_CHARSET; -// Check whether this window wants to process messages, e.g. Stop button -// in long calculations. -bool wxCheckForInterrupt(wxWindow *wnd) -{ - if(wnd){ - MSG msg; - HWND win= (HWND) wnd->GetHWND(); - while(PeekMessage(&msg,win,0,0,PM_REMOVE)){ - TranslateMessage(&msg); - DispatchMessage(&msg); - } - return TRUE;//*** temporary? - } - else{ - wxError("wnd==NULL !!!"); - return FALSE;//*** temporary? - } -} + case wxFONTENCODING_ISO8859_1: + case wxFONTENCODING_ISO8859_15: + case wxFONTENCODING_CP1252: + return ANSI_CHARSET; -// MSW only: get user-defined resource from the .res file. -// Returns NULL or newly-allocated memory, so use delete[] to clean up. +#if !defined(__WXMICROWIN__) + // The following four fonts are multi-byte charsets + case wxFONTENCODING_CP932: + return SHIFTJIS_CHARSET; -#ifdef __WINDOWS__ -char *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType) -{ - char *s = NULL; -#ifndef __WIN32__ - HRSRC hResource = ::FindResource(wxGetInstance(), WXSTRINGCAST resourceName, WXSTRINGCAST resourceType); -#else -#ifdef UNICODE - HRSRC hResource = ::FindResourceW(wxGetInstance(), WXSTRINGCAST resourceName, WXSTRINGCAST resourceType); -#else - HRSRC hResource = ::FindResourceA(wxGetInstance(), WXSTRINGCAST resourceName, WXSTRINGCAST resourceType); -#endif -#endif + case wxFONTENCODING_CP936: + return GB2312_CHARSET; - if (hResource == 0) - return NULL; - HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource); - if (hData == 0) - return NULL; - char *theText = (char *)LockResource(hData); - if (!theText) - return NULL; - - s = copystring(theText); - - // Obsolete in WIN32 -#ifndef __WIN32__ - UnlockResource(hData); -#endif + case wxFONTENCODING_CP949: + return HANGUL_CHARSET; + + case wxFONTENCODING_CP950: + return CHINESEBIG5_CHARSET; + + // The rest are single byte encodings + case wxFONTENCODING_CP1250: + return EASTEUROPE_CHARSET; + + case wxFONTENCODING_CP1251: + return RUSSIAN_CHARSET; + + case wxFONTENCODING_CP1253: + return GREEK_CHARSET; + + case wxFONTENCODING_CP1254: + return TURKISH_CHARSET; + + case wxFONTENCODING_CP1255: + return HEBREW_CHARSET; + + case wxFONTENCODING_CP1256: + return ARABIC_CHARSET; - // No need?? -// GlobalFree(hData); + case wxFONTENCODING_CP1257: + return BALTIC_CHARSET; - return s; + case wxFONTENCODING_CP874: + return THAI_CHARSET; +#endif // !__WXMICROWIN__ + + case wxFONTENCODING_CP437: + return OEM_CHARSET; + + default: + // no way to translate this encoding into a Windows charset + return -1; + } } -#endif -void wxGetMousePosition( int* x, int* y ) -{ - POINT pt; - GetCursorPos( & pt ); - *x = pt.x; - *y = pt.y; -}; +// we have 2 versions of wxCharsetToCodepage(): the old one which directly +// looks up the vlaues in the registry and the new one which is more +// politically correct and has more chances to work on other Windows versions +// as well but the old version is still needed for !wxUSE_FONTMAP case +#if wxUSE_FONTMAP + +#include "wx/fontmap.h" -// Return TRUE if we have a colour display -bool wxColourDisplay(void) +extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding) { - HDC dc = ::GetDC(NULL); - bool flag; - int noCols = GetDeviceCaps(dc, NUMCOLORS); - if ((noCols == -1) || (noCols > 2)) - flag = TRUE; - else - flag = FALSE; - ReleaseDC(NULL, dc); - return flag; + // translate encoding into the Windows CHARSET + long charset = wxEncodingToCharset(encoding); + if ( charset == -1 ) + return -1; + + // translate CHARSET to code page + CHARSETINFO csetInfo; + if ( !::TranslateCharsetInfo((DWORD *)(DWORD)charset, + &csetInfo, + TCI_SRCCHARSET) ) + { + wxLogLastError(_T("TranslateCharsetInfo(TCI_SRCCHARSET)")); + + return -1; + } + + return csetInfo.ciACP; } -// Returns depth of screen -int wxDisplayDepth(void) +extern long wxCharsetToCodepage(const wxChar *name) { - HDC dc = ::GetDC(NULL); - int planes = GetDeviceCaps(dc, PLANES); - int bitsPerPixel = GetDeviceCaps(dc, BITSPIXEL); - int depth = planes*bitsPerPixel; - ReleaseDC(NULL, dc); - return depth; + // first get the font encoding for this charset + if ( !name ) + return -1; + + wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(name, FALSE); + if ( enc == wxFONTENCODING_SYSTEM ) + return -1; + + // the use the helper function + return wxEncodingToCodepage(enc); } -// Get size of display -void wxDisplaySize(int *width, int *height) +#else // !wxUSE_FONTMAP + +#include "wx/msw/registry.h" + +// this should work if Internet Exploiter is installed +extern long wxCharsetToCodepage(const wxChar *name) { - HDC dc = ::GetDC(NULL); - *width = GetDeviceCaps(dc, HORZRES); *height = GetDeviceCaps(dc, VERTRES); - ReleaseDC(NULL, dc); + if (!name) + return GetACP(); + + long CP = -1; + + wxString path(wxT("MIME\\Database\\Charset\\")); + wxString cn(name); + + // follow the alias loop + for ( ;; ) + { + wxRegKey key(wxRegKey::HKCR, path + cn); + + if (!key.Exists()) + break; + + // two cases: either there's an AliasForCharset string, + // or there are Codepage and InternetEncoding dwords. + // The InternetEncoding gives us the actual encoding, + // the Codepage just says which Windows character set to + // use when displaying the data. + if (key.HasValue(wxT("InternetEncoding")) && + key.QueryValue(wxT("InternetEncoding"), &CP)) + break; + + // no encoding, see if it's an alias + if (!key.HasValue(wxT("AliasForCharset")) || + !key.QueryValue(wxT("AliasForCharset"), cn)) + break; + } + + return CP; } +#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP +