X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b07135ba7aba848ed2d993be93f778f7385151da..404b319a85dadd7decf7a5a5331020520031a41c:/src/msw/utils.cpp?ds=inline diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp index e8cc1ac459..afd0bb2e6c 100644 --- a/src/msw/utils.cpp +++ b/src/msw/utils.cpp @@ -1,1025 +1,1766 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: utils.cpp +// Name: src/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 "utils.h" // Note: this is done in utilscmn.cpp now. -#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" + #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/msw/registry.h" +#include "wx/apptrait.h" +#include "wx/dynlib.h" +#include "wx/dynload.h" +#include "wx/scopeguard.h" +#include "wx/filename.h" -#include +#include "wx/confbase.h" // for wxExpandEnvVars() -#ifndef __GNUWIN32__ -#include -#include -#endif //GNUWIN32 +#include "wx/msw/private.h" // includes +#include "wx/msw/private/hiddenwin.h" +#include "wx/msw/missing.h" // for CHARSET_HANGUL -#ifdef __GNUWIN32__ -#include -#include +#if defined(__CYGWIN__) + //CYGWIN gives annoying warning about runtime stuff if we don't do this +# define USE_SYS_TYPES_FD_SET +# include +#endif + +// Doesn't work with Cygwin at present +#if wxUSE_SOCKETS && (defined(__GNUWIN32_OLD__) || defined(__WXWINCE__) || defined(__CYGWIN32__)) + // apparently we need to include winsock.h to get WSADATA and other stuff + // used in wxGetFullHostName() with the old mingw32 versions + #include +#endif + +#if !defined(__GNUWIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) + #include + + #include #endif //GNUWIN32 -#include "wx/log.h" +#if defined(__CYGWIN__) + #include + #include + #include // for cygwin_conv_path() + // and cygwin_conv_to_full_win32_path() + #include +#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 + +// For wxKillAllChildren +#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"; - -// 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 - -// Get full hostname (eg. DoDo.BSn-Germany.crg.de) -bool wxGetHostName(char *buf, int maxSize) -{ -#ifdef __WIN32__ - DWORD nSize = maxSize; - return (::GetComputerName(buf, &nSize) != 0); -#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; +#if (!defined(USE_NET_API) && !defined(__WXWINCE__)) || defined(__WXMICROWIN__) +static const wxChar WX_SECTION[] = wxT("wxWindows"); +#endif + +#if (!defined(USE_NET_API) && !defined(__WXWINCE__)) +static const wxChar eUSERNAME[] = wxT("UserName"); #endif + +WXDLLIMPEXP_DATA_BASE(const wxChar *) wxUserResourceStr = wxT("TEXT"); + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// get host name and related +// ---------------------------------------------------------------------------- + +// Get hostname only (without domain name) +bool wxGetHostName(wxChar *buf, int maxSize) +{ +#if defined(__WXWINCE__) + // GetComputerName() is not supported but the name seems to be stored in + // this location in the registry, at least for PPC2003 and WM5 + wxString hostName; + wxRegKey regKey(wxRegKey::HKLM, wxT("Ident")); + if ( !regKey.HasValue(wxT("Name")) || + !regKey.QueryValue(wxT("Name"), hostName) ) + return false; + + wxStrlcpy(buf, hostName.t_str(), maxSize); +#else // !__WXWINCE__ + DWORD nSize = maxSize; + if ( !::GetComputerName(buf, &nSize) ) + { + wxLogLastError(wxT("GetComputerName")); + + return false; + } +#endif // __WXWINCE__/!__WXWINCE__ + + return true; +} + +// get full hostname (with domain name if possible) +bool wxGetFullHostName(wxChar *buf, int maxSize) +{ +#if !defined( __WXMICROWIN__) && wxUSE_DYNLIB_CLASS && wxUSE_SOCKETS + // TODO should use GetComputerNameEx() when available + + // we don't want to always link with Winsock DLL as we might not use it at + // all, so load it dynamically here if needed (and don't complain if it is + // missing, we handle this) + wxLogNull noLog; + + wxDynamicLibrary dllWinsock(wxT("ws2_32.dll"), wxDL_VERBATIM); + if ( dllWinsock.IsLoaded() ) + { + typedef int (PASCAL *WSAStartup_t)(WORD, WSADATA *); + typedef int (PASCAL *gethostname_t)(char *, int); + typedef hostent* (PASCAL *gethostbyname_t)(const char *); + typedef hostent* (PASCAL *gethostbyaddr_t)(const char *, int , int); + typedef int (PASCAL *WSACleanup_t)(void); + + #define LOAD_WINSOCK_FUNC(func) \ + func ## _t \ + pfn ## func = (func ## _t)dllWinsock.GetSymbol(wxT(#func)) + + LOAD_WINSOCK_FUNC(WSAStartup); + + WSADATA wsa; + if ( pfnWSAStartup && pfnWSAStartup(MAKEWORD(1, 1), &wsa) == 0 ) + { + LOAD_WINSOCK_FUNC(gethostname); + + wxString host; + if ( pfngethostname ) + { + char bufA[256]; + if ( pfngethostname(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, '.') ) + { + LOAD_WINSOCK_FUNC(gethostbyname); + + struct hostent *pHostEnt = pfngethostbyname + ? pfngethostbyname(bufA) + : NULL; + + if ( pHostEnt ) + { + // Windows will use DNS internally now + LOAD_WINSOCK_FUNC(gethostbyaddr); + + pHostEnt = pfngethostbyaddr + ? pfngethostbyaddr(pHostEnt->h_addr, + 4, AF_INET) + : NULL; + } + + if ( pHostEnt ) + { + host = wxString::FromAscii(pHostEnt->h_name); + } + } + } + } + + LOAD_WINSOCK_FUNC(WSACleanup); + if ( pfnWSACleanup ) + pfnWSACleanup(); + + + if ( !host.empty() ) + { + wxStrlcpy(buf, host.c_str(), maxSize); + + return true; + } + } + } +#endif // !__WXMICROWIN__ + + return wxGetHostName(buf, maxSize); } // Get user ID e.g. jacs -bool wxGetUserId(char *buf, int maxSize) +bool wxGetUserId(wxChar *WXUNUSED_IN_WINCE(buf), + int WXUNUSED_IN_WINCE(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); -*/ +#if defined(__WXWINCE__) + // TODO-CE + return false; #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; + 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; #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)) - 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__) && wxUSE_PENWINDOWS - extern HANDLE g_hPenWin; // PenWindows Running? - if (g_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 - { + wxCHECK_MSG( buf && ( maxSize > 0 ), false, + wxT("empty buffer in wxGetUserName") ); +#if defined(__WXWINCE__) && wxUSE_REGKEY + wxLogNull noLog; + wxRegKey key(wxRegKey::HKCU, wxT("ControlPanel\\Owner")); + if(!key.Open(wxRegKey::Read)) + return false; + wxString name; + if(!key.QueryValue(wxT("Owner"),name)) + return false; + wxStrlcpy(buf, name.c_str(), maxSize); + return true; +#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("Cannot 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; + +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 wxWidgets configuration data + bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxEmptyString, buf, maxSize - 1) != 0; + if ( !ok ) + { + ok = wxGetUserId(buf, maxSize); + } + + if ( !ok ) + { + wxStrlcpy(buf, wxT("Unknown User"), maxSize); + } + + return true; +#endif // Win32/16 } -int wxKill(long pid, int sig) +const wxChar* wxGetHomeDir(wxString *pstr) { - return 0; + wxString& strDir = *pstr; + + // first branch is for Cygwin +#if defined(__UNIX__) && !defined(__WINE__) + const wxChar *szHome = wxGetenv(wxT("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]; + #if CYGWIN_VERSION_DLL_MAJOR >= 1007 + cygwin_conv_path(CCP_POSIX_TO_WIN_W, strDir, windowsPath, MAX_PATH); + #else + cygwin_conv_to_full_win32_path(strDir, windowsPath); + #endif + strDir = windowsPath; + #endif +#elif defined(__WXWINCE__) + strDir = wxT("\\"); +#else + strDir.clear(); + + // 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")); + + 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(); + } + } + + 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() ) + { + // sometimes the value of HOME may be "%USERPROFILE%", so reexpand the + // value once again, it shouldn't hurt anyhow + strDir = wxExpandEnvVars(strDir); + } + else // fall back to the program directory + { + // extract the directory component of the program file name + wxFileName::SplitPath(wxGetFullModuleName(), &strDir, NULL, NULL); + } +#endif // UNIX/Win + + return strDir.c_str(); } -// -// Execute a program in an Interactive Shell -// -bool -wxShell(const wxString& command) +wxString wxGetUserHome(const wxString& user) { - char *shell; - if ((shell = getenv("COMSPEC")) == NULL) - shell = "\\COMMAND.COM"; + wxString home; - char tmp[255]; - if (command != "") - sprintf(tmp, "%s /c %s", shell, WXSTRINGCAST command); - else - strcpy(tmp, shell); + if ( user.empty() || user == wxGetUserId() ) + wxGetHomeDir(&home); - return (wxExecute((char *)tmp, FALSE) != 0); + return home; } -// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX) -long wxGetFreeMemory(void) +bool wxGetDiskSpace(const wxString& WXUNUSED_IN_WINCE(path), + wxDiskspaceSize_t *WXUNUSED_IN_WINCE(pTotal), + wxDiskspaceSize_t *WXUNUSED_IN_WINCE(pFree)) { -#if defined(__WIN32__) && !defined(__BORLANDC__) - MEMORYSTATUS memStatus; - memStatus.dwLength = sizeof(MEMORYSTATUS); - GlobalMemoryStatus(&memStatus); - return memStatus.dwAvailPhys; +#ifdef __WXWINCE__ + // TODO-CE + return false; +#else + 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(wxT("kernel32.dll")), +#if wxUSE_UNICODE + "GetDiskFreeSpaceExW" #else - return (long)GetFreeSpace(0); + "GetDiskFreeSpaceExA" #endif -} + ); -// Sleep for nSecs seconds. Attempt a Windows implementation using timers. -static bool inTimer = FALSE; -class wxSleepTimer: public wxTimer -{ - public: - inline void Notify(void) - { - inTimer = FALSE; - Stop(); - } -}; - -static wxTimer *wxTheSleepTimer = NULL; + if ( pGetDiskFreeSpaceEx ) + { + ULARGE_INTEGER bytesFree, bytesTotal; + + // may pass the path as is, GetDiskFreeSpaceEx() is smart enough + if ( !pGetDiskFreeSpaceEx(path.t_str(), + &bytesFree, + &bytesTotal, + NULL) ) + { + wxLogLastError(wxT("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 ) + { +#if wxUSE_LONGLONG + *pTotal = wxDiskspaceSize_t(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart); +#else + *pTotal = wxDiskspaceSize_t(UL(bytesTotal).LowPart); +#endif + } -void wxSleep(int nSecs) -{ -#if 0 // WIN32 hangs app - Sleep( 1000*nSecs ); + if ( pFree ) + { +#if wxUSE_LONGLONG + *pFree = wxLongLong(UL(bytesFree).HighPart, UL(bytesFree).LowPart); #else - if (inTimer) - return; - - wxTheSleepTimer = new wxSleepTimer; - inTimer = TRUE; - wxTheSleepTimer->Start(nSecs*1000); - while (inTimer) - { - if (wxTheApp->Pending()) - wxTheApp->Dispatch(); - } - delete wxTheSleepTimer; - wxTheSleepTimer = NULL; + *pFree = wxDiskspaceSize_t(UL(bytesFree).LowPart); #endif -} + } + } + 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.t_str(), + &lSectorsPerCluster, + &lBytesPerSector, + &lNumberOfFreeClusters, + &lTotalNumberOfClusters) ) + { + wxLogLastError(wxT("GetDiskFreeSpace")); + + return false; + } + + wxDiskspaceSize_t lBytesPerCluster = (wxDiskspaceSize_t) lSectorsPerCluster; + lBytesPerCluster *= lBytesPerSector; + + if ( pTotal ) + { + *pTotal = lBytesPerCluster; + *pTotal *= lTotalNumberOfClusters; + } + + if ( pFree ) + { + *pFree = lBytesPerCluster; + *pFree *= lNumberOfFreeClusters; + } + } -// Consume all events until no more left -void wxFlushEvents(void) -{ -// wxYield(); + return true; +#endif + // __WXWINCE__ } -// Output a debug mess., in a system dependent fashion. -void wxDebugMsg(const char *fmt ...) +// ---------------------------------------------------------------------------- +// env vars +// ---------------------------------------------------------------------------- + +bool wxGetEnv(const wxString& WXUNUSED_IN_WINCE(var), + wxString *WXUNUSED_IN_WINCE(value)) { - va_list ap; - static char buffer[512]; +#ifdef __WXWINCE__ + // no environment variables under CE + return false; +#else // Win32 + // first get the size of the buffer + DWORD dwRet = ::GetEnvironmentVariable(var.t_str(), NULL, 0); + if ( !dwRet ) + { + // this means that there is no such variable + return false; + } + + if ( value ) + { + (void)::GetEnvironmentVariable(var.t_str(), + wxStringBuffer(*value, dwRet), + dwRet); + } - if (!wxTheApp->GetWantDebugOutput()) - return ; + return true; +#endif // WinCE/32 +} - va_start(ap, fmt); +bool wxDoSetEnv(const wxString& var, const wxChar *value) +{ +#ifdef __WXWINCE__ + // no environment variables under CE + wxUnusedVar(var); + wxUnusedVar(value); + return false; +#else // !__WXWINCE__ + // update the CRT environment if possible as people expect getenv() to also + // work and it is not affected by Win32 SetEnvironmentVariable() call (OTOH + // the CRT does use Win32 call to update the process environment block so + // there is no need to call it) + // + // TODO: add checks for the other compilers (and update wxSetEnv() + // documentation in interface/wx/utils.h accordingly) +#if defined(__VISUALC__) || defined(__MINGW32__) + // notice that Microsoft _putenv() has different semantics from POSIX + // function with almost the same name: in particular it makes a copy of the + // string instead of using it as part of environment so we can safely call + // it here without going through all the troubles with wxSetEnvModule as in + // src/unix/utilsunx.cpp + wxString envstr = var; + envstr += '='; + if ( value ) + envstr += value; + if ( _tputenv(envstr.t_str()) != 0 ) + return false; +#else // other compiler + if ( !::SetEnvironmentVariable(var.t_str(), value) ) + { + wxLogLastError(wxT("SetEnvironmentVariable")); - wvsprintf(buffer,fmt,ap) ; - OutputDebugString((LPCSTR)buffer) ; + return false; + } +#endif // compiler - va_end(ap); + return true; +#endif // __WXWINCE__/!__WXWINCE__ } -// Non-fatal error: pop up message box and (possibly) continue -void wxError(const wxString& msg, const wxString& title) +bool wxSetEnv(const wxString& variable, const wxString& value) { - sprintf(wxBuffer, "%s\nContinue?", WXSTRINGCAST msg); - if (MessageBox(NULL, (LPCSTR)wxBuffer, (LPCSTR)WXSTRINGCAST title, - MB_ICONSTOP | MB_YESNO) == IDNO) - wxExit(); + return wxDoSetEnv(variable, value.t_str()); } -// Fatal error: pop up message box and abort -void wxFatalError(const wxString& msg, const wxString& title) +bool wxUnsetEnv(const wxString& variable) { - sprintf(wxBuffer, "%s: %s", WXSTRINGCAST title, WXSTRINGCAST msg); - FatalAppExit(0, (LPCSTR)wxBuffer); + return wxDoSetEnv(variable, NULL); } -// Emit a beeeeeep -void wxBell(void) +// ---------------------------------------------------------------------------- +// process management +// ---------------------------------------------------------------------------- + +// structure used to pass parameters from wxKill() to wxEnumFindByPidProc() +struct wxFindByPidParams { - // Removed by RD because IHMO syncronous sound is a Bad Thing. MessageBeep - // will do a similar thing anyway if there is no sound card... -//#ifdef __WIN32__ -// Beep(1000,1000) ; // 1kHz during 1 sec. -//#else - MessageBeep(-1) ; -//#endif -} + wxFindByPidParams() { hwnd = 0; pid = 0; } + + // the HWND used to return the result + HWND hwnd; + + // the PID we're looking from + DWORD pid; + + wxDECLARE_NO_COPY_CLASS(wxFindByPidParams); +}; -// Chris Breeze 27/5/98: revised WIN32 code to -// detect WindowsNT correctly -int wxGetOsVersion(int *majorVsn, int *minorVsn) +// 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) { - extern char *wxOsVersion; - if (majorVsn) *majorVsn = 0; - if (minorVsn) *minorVsn = 0; - -#ifdef WIN32 - OSVERSIONINFO info; - memset(&info, 0, sizeof(OSVERSIONINFO)); - info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); - if (GetVersionEx(&info)) - { - if (majorVsn) *majorVsn = info.dwMajorVersion; - if (minorVsn) *minorVsn = info.dwMinorVersion; - switch (info.dwPlatformId) - { - case VER_PLATFORM_WIN32s: - return wxWIN32S; - break; - case VER_PLATFORM_WIN32_WINDOWS: - return wxWIN95; - break; - case VER_PLATFORM_WIN32_NT: - return wxWINDOWS_NT; - break; - } - } - return wxWINDOWS; // error if we get here, return generic value -#else - // Win16 code... - int retValue ; -# ifdef __WINDOWS_386__ - retValue = wxWIN386; -# else -# if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_PENWINDOWS - extern HANDLE g_hPenWin; - retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS ; -# endif -# endif - // @@@@ To be completed. I don't have the manual here... - if (majorVsn) *majorVsn = 3 ; - if (minorVsn) *minorVsn = 1 ; - return retValue ; -#endif + 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; } -// Reading and writing resources (eg WIN.INI, .Xdefaults) -#if wxUSE_RESOURCES -bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file) +int wxKillAllChildren(long pid, wxSignal sig, wxKillError *krc); + +int wxKill(long pid, wxSignal sig, wxKillError *krc, int flags) { - 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); + if (flags & wxKILL_CHILDREN) + wxKillAllChildren(pid, sig, krc); + + // get the process handle to operate on + DWORD dwAccess = PROCESS_QUERY_INFORMATION | SYNCHRONIZE; + if ( sig == wxSIGKILL ) + dwAccess |= PROCESS_TERMINATE; + + HANDLE hProcess = ::OpenProcess(dwAccess, FALSE, (DWORD)pid); + if ( hProcess == NULL ) + { + if ( krc ) + { + // recognize wxKILL_ACCESS_DENIED as special because this doesn't + // mean that the process doesn't exist and this is important for + // wxProcess::Exists() + *krc = ::GetLastError() == ERROR_ACCESS_DENIED + ? wxKILL_ACCESS_DENIED + : wxKILL_NO_PROCESS; + } + + return -1; + } + + wxON_BLOCK_EXIT1(::CloseHandle, hProcess); + + // Default timeout for waiting for the process termination after killing + // it. It should be long enough to allow the process to terminate even on a + // busy system but short enough to avoid blocking the main thread for too + // long. + DWORD waitTimeout = 500; // ms + + 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: + // Opening the process handle may succeed for a process even if it + // doesn't run any more (typically because open handles to it still + // exist elsewhere, possibly in this process itself if we're + // killing a child process) so we still need check if it hasn't + // terminated yet but, unlike when killing it, we don't need to + // wait for any time at all. + waitTimeout = 0; + 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 occurred 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 an + // 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(wxT("PostMessage(WM_QUIT)")); + } + } + else // it was an error then + { + wxLogLastError(wxT("EnumWindows")); + + ok = false; + } + } + else // no windows for this PID + { + if ( krc ) + *krc = wxKILL_ERROR; + + ok = false; + } + } + } + + // the return code + if ( ok ) + { + // as we wait for a short time, we can use just WaitForSingleObject() + // and not MsgWaitForMultipleObjects() + switch ( ::WaitForSingleObject(hProcess, waitTimeout) ) + { + case WAIT_OBJECT_0: + // Process terminated: normally this indicates that we + // successfully killed it but when testing for the process + // existence, this means failure. + if ( sig == wxSIGNONE ) + { + if ( krc ) + *krc = wxKILL_NO_PROCESS; + + ok = false; + } + break; + + default: + wxFAIL_MSG( wxT("unexpected WaitForSingleObject() return") ); + // fall through + + case WAIT_FAILED: + wxLogLastError(wxT("WaitForSingleObject")); + // fall through + + case WAIT_TIMEOUT: + // Process didn't terminate: normally this is a failure but not + // when we're just testing for its existence. + if ( sig != wxSIGNONE ) + { + if ( krc ) + *krc = wxKILL_ERROR; + + ok = false; + } + break; + } + } + + + // the return code is the same as from Unix kill(): 0 if killed + // successfully or -1 on error + if ( !ok ) + return -1; + + if ( krc ) + *krc = wxKILL_OK; + + return 0; } -bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file) +typedef HANDLE (WINAPI *CreateToolhelp32Snapshot_t)(DWORD,DWORD); +typedef BOOL (WINAPI *Process32_t)(HANDLE,LPPROCESSENTRY32); + +CreateToolhelp32Snapshot_t lpfCreateToolhelp32Snapshot; +Process32_t lpfProcess32First, lpfProcess32Next; + +static void InitToolHelp32() { - char buf[50]; - sprintf(buf, "%.4f", value); - return wxWriteResource(section, entry, buf, file); + static bool s_initToolHelpDone = false; + + if (s_initToolHelpDone) + return; + + s_initToolHelpDone = true; + + lpfCreateToolhelp32Snapshot = NULL; + lpfProcess32First = NULL; + lpfProcess32Next = NULL; + +#if wxUSE_DYNLIB_CLASS + + wxDynamicLibrary dllKernel(wxT("kernel32.dll"), wxDL_VERBATIM); + + // Get procedure addresses. + // We are linking to these functions of Kernel32 + // explicitly, because otherwise a module using + // this code would fail to load under Windows NT, + // which does not have the Toolhelp32 + // functions in the Kernel 32. + lpfCreateToolhelp32Snapshot = + (CreateToolhelp32Snapshot_t)dllKernel.RawGetSymbol(wxT("CreateToolhelp32Snapshot")); + + lpfProcess32First = + (Process32_t)dllKernel.RawGetSymbol(wxT("Process32First")); + + lpfProcess32Next = + (Process32_t)dllKernel.RawGetSymbol(wxT("Process32Next")); + +#endif // wxUSE_DYNLIB_CLASS } -bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file) +// By John Skiff +int wxKillAllChildren(long pid, wxSignal sig, wxKillError *krc) { - char buf[50]; - sprintf(buf, "%ld", value); - return wxWriteResource(section, entry, buf, file); + InitToolHelp32(); + + if (krc) + *krc = wxKILL_OK; + + // If not implemented for this platform (e.g. NT 4.0), silently ignore + if (!lpfCreateToolhelp32Snapshot || !lpfProcess32First || !lpfProcess32Next) + return 0; + + // Take a snapshot of all processes in the system. + HANDLE hProcessSnap = lpfCreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); + if (hProcessSnap == INVALID_HANDLE_VALUE) { + if (krc) + *krc = wxKILL_ERROR; + return -1; + } + + //Fill in the size of the structure before using it. + PROCESSENTRY32 pe; + wxZeroMemory(pe); + pe.dwSize = sizeof(PROCESSENTRY32); + + // Walk the snapshot of the processes, and for each process, + // kill it if its parent is pid. + if (!lpfProcess32First(hProcessSnap, &pe)) { + // Can't get first process. + if (krc) + *krc = wxKILL_ERROR; + CloseHandle (hProcessSnap); + return -1; + } + + do { + if (pe.th32ParentProcessID == (DWORD) pid) { + if (wxKill(pe.th32ProcessID, sig, krc)) + return -1; + } + } while (lpfProcess32Next (hProcessSnap, &pe)); + + + return 0; } -bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file) +// Execute a program in an Interactive Shell +bool wxShell(const wxString& command) { - char buf[50]; - sprintf(buf, "%d", value); - return wxWriteResource(section, entry, buf, file); + wxString cmd; + +#ifdef __WXWINCE__ + cmd = command; +#else + wxChar *shell = wxGetenv(wxT("COMSPEC")); + if ( !shell ) + shell = (wxChar*) wxT("\\COMMAND.COM"); + + 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()); + } +#endif + + return wxExecute(cmd, wxEXEC_SYNC) == 0; } -bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file) +// Shutdown or reboot the PC +bool wxShutdown(int WXUNUSED_IN_WINCE(flags)) { - 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; +#ifdef __WXWINCE__ + // TODO-CE + return false; +#elif defined(__WIN32__) + bool bOK = true; + + if ( wxGetOsVersion(NULL, NULL) == wxOS_WINDOWS_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. + bOK = ::LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, + &tkp.Privileges[0].Luid) != 0; + + if ( bOK ) + { + 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; + } + + ::CloseHandle(hToken); + } + } + + if ( bOK ) + { + UINT wFlags = 0; + if ( flags & wxSHUTDOWN_FORCE ) + { + wFlags = EWX_FORCE; + flags &= ~wxSHUTDOWN_FORCE; + } + + switch ( flags ) + { + case wxSHUTDOWN_POWEROFF: + wFlags |= EWX_POWEROFF; + break; + + case wxSHUTDOWN_REBOOT: + wFlags |= EWX_REBOOT; + break; + + case wxSHUTDOWN_LOGOFF: + wFlags |= EWX_LOGOFF; + break; + + default: + wxFAIL_MSG( wxT("unknown wxShutdown() flag") ); + return false; + } + + bOK = ::ExitWindowsEx(wFlags, 0) != 0; } -bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file) + return bOK; +#endif // WinCE/!WinCE +} + +// ---------------------------------------------------------------------------- +// misc +// ---------------------------------------------------------------------------- + +// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX) +wxMemorySize wxGetFreeMemory() { - 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; +#if defined(__WIN64__) + MEMORYSTATUSEX memStatex; + memStatex.dwLength = sizeof (memStatex); + ::GlobalMemoryStatusEx (&memStatex); + return (wxMemorySize)memStatex.ullAvailPhys; +#else /* if defined(__WIN32__) */ + MEMORYSTATUS memStatus; + memStatus.dwLength = sizeof(MEMORYSTATUS); + ::GlobalMemoryStatus(&memStatus); + return (wxMemorySize)memStatus.dwAvailPhys; +#endif } -bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file) +unsigned long wxGetProcessId() { - 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; + return ::GetCurrentProcessId(); } -bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file) +bool wxIsDebuggerRunning() { - 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; +#if wxUSE_DYNLIB_CLASS + // IsDebuggerPresent() is not available under Win95, so load it dynamically + wxDynamicLibrary dll(wxT("kernel32.dll"), wxDL_VERBATIM); + + typedef BOOL (WINAPI *IsDebuggerPresent_t)(); + if ( !dll.HasSymbol(wxT("IsDebuggerPresent")) ) + { + // no way to know, assume no + return false; + } + + return (*(IsDebuggerPresent_t)dll.GetSymbol(wxT("IsDebuggerPresent")))() != 0; +#else + return false; +#endif } -#endif // wxUSE_RESOURCES -// Old cursor -static HCURSOR wxBusyCursorOld = 0; -static int wxBusyCursorCount = 0; +// ---------------------------------------------------------------------------- +// working with MSW resources +// ---------------------------------------------------------------------------- -// Set the cursor to the busy cursor for all windows -void wxBeginBusyCursor(wxCursor *cursor) +bool +wxLoadUserResource(const void **outData, + size_t *outLen, + const wxString& resourceName, + const wxChar* resourceType, + WXHINSTANCE instance) { - wxBusyCursorCount ++; - if (wxBusyCursorCount == 1) - { - wxBusyCursorOld = ::SetCursor((HCURSOR) cursor->GetHCURSOR()); - } - else - { - (void)::SetCursor((HCURSOR) cursor->GetHCURSOR()); - } + wxCHECK_MSG( outData && outLen, false, "output pointers can't be NULL" ); + + HRSRC hResource = ::FindResource(instance, + resourceName.t_str(), + resourceType); + if ( !hResource ) + return false; + + HGLOBAL hData = ::LoadResource(instance, hResource); + if ( !hData ) + { + wxLogSysError(_("Failed to load resource \"%s\"."), resourceName); + return false; + } + + *outData = ::LockResource(hData); + if ( !*outData ) + { + wxLogSysError(_("Failed to lock resource \"%s\"."), resourceName); + return false; + } + + *outLen = ::SizeofResource(instance, hResource); + + // Notice that we do not need to call neither UnlockResource() (which is + // obsolete in Win32) nor GlobalFree() (resources are freed on process + // termination only) + + return true; } -// Restore cursor to normal -void wxEndBusyCursor(void) +char * +wxLoadUserResource(const wxString& resourceName, + const wxChar* resourceType, + int* pLen, + WXHINSTANCE instance) { - if (wxBusyCursorCount == 0) - return; - - wxBusyCursorCount --; - if (wxBusyCursorCount == 0) - { - ::SetCursor(wxBusyCursorOld); - wxBusyCursorOld = 0; - } + const void *data; + size_t len; + if ( !wxLoadUserResource(&data, &len, resourceName, resourceType, instance) ) + return NULL; + + char *s = new char[len + 1]; + memcpy(s, data, len); + s[len] = '\0'; // NUL-terminate in case the resource itself wasn't + + if (pLen) + *pLen = len; + + return s; } -// TRUE if we're between the above two calls -bool wxIsBusy(void) +// ---------------------------------------------------------------------------- +// OS version +// ---------------------------------------------------------------------------- + +// check if we're running under a server or workstation Windows system: it +// returns true or false with obvious meaning as well as -1 if the system type +// couldn't be determined +// +// this function is currently private but we may want to expose it later if +// it's really useful +namespace { - return (wxBusyCursorCount > 0); -} -const char* wxGetHomeDir(wxString *pstr) +int wxIsWindowsServer() { - wxString& strDir = *pstr; +#ifdef VER_NT_WORKSTATION + OSVERSIONINFOEX info; + wxZeroMemory(info); - #ifdef __UNIX__ - const char *szHome = getenv("HOME"); - if ( szHome == NULL ) { - // we're homeless... - wxLogWarning(_("can't find user's HOME, using current directory.")); - strDir = "."; + info.dwOSVersionInfoSize = sizeof(info); + if ( ::GetVersionEx(reinterpret_cast(&info)) ) + { + switch ( info.wProductType ) + { + case VER_NT_WORKSTATION: + return false; + + case VER_NT_SERVER: + case VER_NT_DOMAIN_CONTROLLER: + return true; + } } - else - strDir = szHome; - - // add a trailing slash if needed - if ( strDir.Last() != '/' ) - strDir << '/'; - #else // Windows - #ifdef __WIN32__ - const char *szHome = getenv("HOMEDRIVE"); - if ( szHome != NULL ) - strDir << szHome; - szHome = getenv("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 ( strcmp(szHome, "\\") != 0 ) - return strDir.c_str(); - } - - #else // Win16 - // Win16 has no idea about home, so use the working directory instead - #endif // WIN16/32 - - // 260 was taken from windef.h - #ifndef MAX_PATH - #define MAX_PATH 260 - #endif +#endif // VER_NT_WORKSTATION - wxString strPath; - ::GetModuleFileName(::GetModuleHandle(NULL), - strPath.GetWriteBuf(MAX_PATH), MAX_PATH); - strPath.UngetWriteBuf(); + return -1; +} - // extract the dir name - wxSplitPath(strPath, &strDir, NULL, NULL); +} // anonymous namespace - #endif // UNIX/Win +wxString wxGetOsDescription() +{ + wxString str; - return strDir.c_str(); -} + OSVERSIONINFO info; + wxZeroMemory(info); -// Hack for MS-DOS -char *wxGetUserHome (const wxString& user) -{ - 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 = ""; + info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + if ( ::GetVersionEx(&info) ) + { + switch ( info.dwPlatformId ) + { +#ifdef VER_PLATFORM_WIN32_CE + case VER_PLATFORM_WIN32_CE: + str.Printf(_("Windows CE (%d.%d)"), + info.dwMajorVersion, + info.dwMinorVersion); + break; +#endif + case VER_PLATFORM_WIN32s: + str = _("Win32s on Windows 3.1"); + break; + + case VER_PLATFORM_WIN32_WINDOWS: + switch (info.dwMinorVersion) + { + case 0: + if ( info.szCSDVersion[1] == 'B' || + info.szCSDVersion[1] == 'C' ) + { + str = _("Windows 95 OSR2"); + } + else + { + str = _("Windows 95"); + } + break; + case 10: + if ( info.szCSDVersion[1] == 'B' || + info.szCSDVersion[1] == 'C' ) + { + str = _("Windows 98 SE"); + } + else + { + str = _("Windows 98"); + } + break; + case 90: + str = _("Windows ME"); + break; + default: + str.Printf(_("Windows 9x (%d.%d)"), + info.dwMajorVersion, + info.dwMinorVersion); + break; + } + if ( !wxIsEmpty(info.szCSDVersion) ) + { + str << wxT(" (") << info.szCSDVersion << wxT(')'); + } + break; + + case VER_PLATFORM_WIN32_NT: + switch ( info.dwMajorVersion ) + { + case 5: + switch ( info.dwMinorVersion ) + { + case 0: + str = _("Windows 2000"); + break; + + case 2: + // we can't distinguish between XP 64 and 2003 + // as they both are 5.2, so examine the product + // type to resolve this ambiguity + if ( wxIsWindowsServer() == 1 ) + { + str = _("Windows Server 2003"); + break; + } + //else: must be XP, fall through + + case 1: + str = _("Windows XP"); + break; + } + break; + + case 6: + switch ( info.dwMinorVersion ) + { + case 0: + str = wxIsWindowsServer() == 1 + ? _("Windows Server 2008") + : _("Windows Vista"); + break; + + case 1: + str = wxIsWindowsServer() == 1 + ? _("Windows Server 2008 R2") + : _("Windows 7"); + break; + } + break; + } + + if ( str.empty() ) + { + str.Printf(_("Windows NT %lu.%lu"), + info.dwMajorVersion, + info.dwMinorVersion); + } + + str << wxT(" (") + << wxString::Format(_("build %lu"), info.dwBuildNumber); + if ( !wxIsEmpty(info.szCSDVersion) ) + { + str << wxT(", ") << info.szCSDVersion; + } + str << wxT(')'); + + if ( wxIsPlatform64Bit() ) + str << _(", 64-bit edition"); + break; + } } - } - if (user1 == "") - if ((home = getenv("HOME")) != NULL) + else { - strcpy(wxBuffer, home); - Unix2DosFilename(wxBuffer); - return wxBuffer; + wxFAIL_MSG( wxT("GetVersionEx() failed") ); // should never happen } - return NULL; // No home known! + + return str; } -// Check whether this window wants to process messages, e.g. Stop button -// in long calculations. -bool wxCheckForInterrupt(wxWindow *wnd) +bool wxIsPlatform64Bit() { - if(wnd){ - MSG msg; - HWND win= (HWND) wnd->GetHWND(); - while(PeekMessage(&msg,win,0,0,PM_REMOVE)){ - TranslateMessage(&msg); - DispatchMessage(&msg); +#if defined(_WIN64) + return true; // 64-bit programs run only on Win64 +#elif wxUSE_DYNLIB_CLASS // Win32 + // 32-bit programs run on both 32-bit and 64-bit Windows so check + typedef BOOL (WINAPI *IsWow64Process_t)(HANDLE, BOOL *); + + wxDynamicLibrary dllKernel32(wxT("kernel32.dll")); + IsWow64Process_t pfnIsWow64Process = + (IsWow64Process_t)dllKernel32.RawGetSymbol(wxT("IsWow64Process")); + + BOOL wow64 = FALSE; + if ( pfnIsWow64Process ) + { + pfnIsWow64Process(::GetCurrentProcess(), &wow64); } - return TRUE;//*** temporary? - } - else{ - wxError("wnd==NULL !!!"); - return FALSE;//*** temporary? - } -} + //else: running under a system without Win64 support -// MSW only: get user-defined resource from the .res file. -// Returns NULL or newly-allocated memory, so use delete[] to clean up. + return wow64 != FALSE; +#else + return false; +#endif // Win64/Win32 +} -#ifdef __WXMSW__ -char *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType) +wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin) { - 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 + static struct + { + // this may be false, true or -1 if we tried to initialize but failed + int initialized; - if (hResource == 0) - return NULL; - HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource); - if (hData == 0) - return NULL; - char *theText = (char *)LockResource(hData); - if (!theText) - return NULL; + wxOperatingSystemId os; - s = copystring(theText); + int verMaj, + verMin; + } s_version; - // Obsolete in WIN32 -#ifndef __WIN32__ - UnlockResource(hData); -#endif + // query the OS info only once as it's not supposed to change + if ( !s_version.initialized ) + { + OSVERSIONINFO info; + wxZeroMemory(info); + info.dwOSVersionInfoSize = sizeof(info); + if ( ::GetVersionEx(&info) ) + { + s_version.initialized = true; + +#if defined(__WXWINCE__) + s_version.os = wxOS_WINDOWS_CE; +#elif defined(__WXMICROWIN__) + s_version.os = wxOS_WINDOWS_MICRO; +#else // "normal" desktop Windows system, use run-time detection + switch ( info.dwPlatformId ) + { + case VER_PLATFORM_WIN32_NT: + s_version.os = wxOS_WINDOWS_NT; + break; + + case VER_PLATFORM_WIN32_WINDOWS: + s_version.os = wxOS_WINDOWS_9X; + break; + } +#endif // Windows versions + + s_version.verMaj = info.dwMajorVersion; + s_version.verMin = info.dwMinorVersion; + } + else // GetVersionEx() failed + { + s_version.initialized = -1; + } + } - // No need?? -// GlobalFree(hData); + if ( s_version.initialized == 1 ) + { + if ( verMaj ) + *verMaj = s_version.verMaj; + if ( verMin ) + *verMin = s_version.verMin; + } - return s; + // this works even if we were not initialized successfully as the initial + // values of this field is 0 which is wxOS_UNKNOWN and exactly what we need + return s_version.os; } -#endif -void wxGetMousePosition( int* x, int* y ) +wxWinVersion wxGetWinVersion() { - POINT pt; - GetCursorPos( & pt ); - *x = pt.x; - *y = pt.y; -}; + int verMaj, + verMin; + switch ( wxGetOsVersion(&verMaj, &verMin) ) + { + case wxOS_WINDOWS_9X: + if ( verMaj == 4 ) + { + switch ( verMin ) + { + case 0: + return wxWinVersion_95; + + case 10: + return wxWinVersion_98; + + case 90: + return wxWinVersion_ME; + } + } + break; + + case wxOS_WINDOWS_NT: + switch ( verMaj ) + { + case 3: + return wxWinVersion_NT3; + + case 4: + return wxWinVersion_NT4; + + case 5: + switch ( verMin ) + { + case 0: + return wxWinVersion_2000; + + case 1: + return wxWinVersion_XP; + + case 2: + return wxWinVersion_2003; + } + break; + + case 6: + return wxWinVersion_NT6; + } + break; + + default: + // Do nothing just to silence GCC warning + break; + } + + return wxWinVersion_Unknown; +} + +// ---------------------------------------------------------------------------- +// sleep functions +// ---------------------------------------------------------------------------- -// Return TRUE if we have a colour display -bool wxColourDisplay(void) +void wxMilliSleep(unsigned long milliseconds) { - 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; + ::Sleep(milliseconds); } -// Returns depth of screen -int wxDisplayDepth(void) +void wxMicroSleep(unsigned long microseconds) { - HDC dc = ::GetDC(NULL); - int planes = GetDeviceCaps(dc, PLANES); - int bitsPerPixel = GetDeviceCaps(dc, BITSPIXEL); - int depth = planes*bitsPerPixel; - ReleaseDC(NULL, dc); - return depth; + wxMilliSleep(microseconds/1000); } -// Get size of display -void wxDisplaySize(int *width, int *height) +void wxSleep(int nSecs) { - HDC dc = ::GetDC(NULL); - *width = GetDeviceCaps(dc, HORZRES); *height = GetDeviceCaps(dc, VERTRES); - ReleaseDC(NULL, dc); + wxMilliSleep(1000*nSecs); } -bool wxDirExists(const wxString& dir) +// ---------------------------------------------------------------------------- +// font encoding <-> Win32 codepage conversion functions +// ---------------------------------------------------------------------------- + +extern WXDLLIMPEXP_BASE long wxEncodingToCharset(wxFontEncoding encoding) { - /* MATTHEW: [6] Always use same code for Win32, call FindClose */ -#if defined(__WIN32__) - WIN32_FIND_DATA fileInfo; -#else -#ifdef __BORLANDC__ - struct ffblk fileInfo; -#else - struct find_t fileInfo; -#endif + switch ( encoding ) + { + // 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; + + case wxFONTENCODING_ISO8859_1: + case wxFONTENCODING_ISO8859_15: + case wxFONTENCODING_CP1252: + return ANSI_CHARSET; + +#if !defined(__WXMICROWIN__) + // The following four fonts are multi-byte charsets + case wxFONTENCODING_CP932: + return SHIFTJIS_CHARSET; + + case wxFONTENCODING_CP936: + return GB2312_CHARSET; + +#ifndef __WXWINCE__ + case wxFONTENCODING_CP949: + return HANGUL_CHARSET; #endif -#if defined(__WIN32__) - HANDLE h = FindFirstFile((LPTSTR) WXSTRINGCAST dir,(LPWIN32_FIND_DATA)&fileInfo); + case wxFONTENCODING_CP950: + return CHINESEBIG5_CHARSET; - if (h==INVALID_HANDLE_VALUE) - return FALSE; - else { - FindClose(h); - return ((fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY); - } -#else - // 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(WXSTRINGCAST dir, &fileInfo, _A_SUBDIR) == 0 && (fileInfo.ff_attrib & _A_SUBDIR) != 0)); -#else - return (((_dos_findfirst(WXSTRINGCAST dir, _A_SUBDIR, &fileInfo) == 0) && (fileInfo.attrib & _A_SUBDIR)) != 0); -#endif -#endif -} + // The rest are single byte encodings + case wxFONTENCODING_CP1250: + return EASTEUROPE_CHARSET; -wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd) -{ - wxString str; - int len = GetWindowTextLength((HWND)hWnd) + 1; - GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len); - str.UngetWriteBuf(); + case wxFONTENCODING_CP1251: + return RUSSIAN_CHARSET; - return str; -} + case wxFONTENCODING_CP1253: + return GREEK_CHARSET; -#if 0 -//------------------------------------------------------------------------ -// wild character routines -//------------------------------------------------------------------------ + case wxFONTENCODING_CP1254: + return TURKISH_CHARSET; -bool wxIsWild( const wxString& pattern ) -{ - wxString tmp = pattern; - char *pat = WXSTRINGCAST(tmp); - while (*pat) { - switch (*pat++) { - case '?': case '*': case '[': case '{': - return TRUE; - case '\\': - if (!*pat++) - return FALSE; - } + case wxFONTENCODING_CP1255: + return HEBREW_CHARSET; + + case wxFONTENCODING_CP1256: + return ARABIC_CHARSET; + + case wxFONTENCODING_CP1257: + return BALTIC_CHARSET; + + 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; } - return FALSE; -}; +} + +// 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" -bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special ) +extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding) { - wxString tmp1 = pat; - char *pattern = WXSTRINGCAST(tmp1); - wxString tmp2 = text; - char *str = WXSTRINGCAST(tmp2); - char c; - char *cp; - bool done = FALSE, ret_code, ok; - // Below is for vi fans - const char OB = '{', CB = '}'; - - // dot_special means '.' only matches '.' - if (dot_special && *str == '.' && *pattern != *str) - return FALSE; - - while ((*pattern != '\0') && (!done) - && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) { - switch (*pattern) { - case '\\': - pattern++; - if (*pattern != '\0') - pattern++; - break; - case '*': - pattern++; - ret_code = FALSE; - while ((*str!='\0') - && (!(ret_code=wxMatchWild(pattern, str++, FALSE)))) - /*loop*/; - if (ret_code) { - while (*str != '\0') - str++; - while (*pattern != '\0') - pattern++; - } - break; - case '[': - pattern++; - repeat: - if ((*pattern == '\0') || (*pattern == ']')) { - done = TRUE; - break; - } - if (*pattern == '\\') { - pattern++; - if (*pattern == '\0') { - done = TRUE; - break; - } - } - if (*(pattern + 1) == '-') { - c = *pattern; - pattern += 2; - if (*pattern == ']') { - done = TRUE; - break; - } - if (*pattern == '\\') { - pattern++; - if (*pattern == '\0') { - done = TRUE; - break; - } - } - if ((*str < c) || (*str > *pattern)) { - pattern++; - goto repeat; - } - } else if (*pattern != *str) { - pattern++; - goto repeat; - } - pattern++; - while ((*pattern != ']') && (*pattern != '\0')) { - if ((*pattern == '\\') && (*(pattern + 1) != '\0')) - pattern++; - pattern++; - } - if (*pattern != '\0') { - pattern++, str++; - } - break; - case '?': - pattern++; - str++; - break; - case OB: - pattern++; - while ((*pattern != CB) && (*pattern != '\0')) { - cp = str; - ok = TRUE; - while (ok && (*cp != '\0') && (*pattern != '\0') - && (*pattern != ',') && (*pattern != CB)) { - if (*pattern == '\\') - pattern++; - ok = (*pattern++ == *cp++); - } - if (*pattern == '\0') { - ok = FALSE; - done = TRUE; - break; - } else if (ok) { - str = cp; - while ((*pattern != CB) && (*pattern != '\0')) { - if (*++pattern == '\\') { - if (*++pattern == CB) - pattern++; - } - } - } else { - while (*pattern!=CB && *pattern!=',' && *pattern!='\0') { - if (*++pattern == '\\') { - if (*++pattern == CB || *pattern == ',') - pattern++; - } - } - } - if (*pattern != '\0') - pattern++; - } - break; - default: - if (*str == *pattern) { - str++, pattern++; - } else { - done = TRUE; - } - } - } - while (*pattern == '*') - pattern++; - return ((*str == '\0') && (*pattern == '\0')); -}; + // There don't seem to be symbolic names for + // these under Windows so I just copied the + // values from MSDN. -#endif + unsigned int ret; -#if defined(__WIN95__) && defined(__WXDEBUG__) && wxUSE_DBWIN32 + switch (encoding) + { + case wxFONTENCODING_ISO8859_1: ret = 28591; break; + case wxFONTENCODING_ISO8859_2: ret = 28592; break; + case wxFONTENCODING_ISO8859_3: ret = 28593; break; + case wxFONTENCODING_ISO8859_4: ret = 28594; break; + case wxFONTENCODING_ISO8859_5: ret = 28595; break; + case wxFONTENCODING_ISO8859_6: ret = 28596; break; + case wxFONTENCODING_ISO8859_7: ret = 28597; break; + case wxFONTENCODING_ISO8859_8: ret = 28598; break; + case wxFONTENCODING_ISO8859_9: ret = 28599; break; + case wxFONTENCODING_ISO8859_10: ret = 28600; break; + case wxFONTENCODING_ISO8859_11: ret = 874; break; + // case wxFONTENCODING_ISO8859_12, // doesn't exist currently, but put it + case wxFONTENCODING_ISO8859_13: ret = 28603; break; + // case wxFONTENCODING_ISO8859_14: ret = 28604; break; // no correspondence on Windows + case wxFONTENCODING_ISO8859_15: ret = 28605; break; + + case wxFONTENCODING_KOI8: ret = 20866; break; + case wxFONTENCODING_KOI8_U: ret = 21866; break; + + case wxFONTENCODING_CP437: ret = 437; break; + case wxFONTENCODING_CP850: ret = 850; break; + case wxFONTENCODING_CP852: ret = 852; break; + case wxFONTENCODING_CP855: ret = 855; break; + case wxFONTENCODING_CP866: ret = 866; break; + case wxFONTENCODING_CP874: ret = 874; break; + case wxFONTENCODING_CP932: ret = 932; break; + case wxFONTENCODING_CP936: ret = 936; break; + case wxFONTENCODING_CP949: ret = 949; break; + case wxFONTENCODING_CP950: ret = 950; break; + case wxFONTENCODING_CP1250: ret = 1250; break; + case wxFONTENCODING_CP1251: ret = 1251; break; + case wxFONTENCODING_CP1252: ret = 1252; break; + case wxFONTENCODING_CP1253: ret = 1253; break; + case wxFONTENCODING_CP1254: ret = 1254; break; + case wxFONTENCODING_CP1255: ret = 1255; break; + case wxFONTENCODING_CP1256: ret = 1256; break; + case wxFONTENCODING_CP1257: ret = 1257; break; + + case wxFONTENCODING_EUC_JP: ret = 20932; break; + + case wxFONTENCODING_MACROMAN: ret = 10000; break; + case wxFONTENCODING_MACJAPANESE: ret = 10001; break; + case wxFONTENCODING_MACCHINESETRAD: ret = 10002; break; + case wxFONTENCODING_MACKOREAN: ret = 10003; break; + case wxFONTENCODING_MACARABIC: ret = 10004; break; + case wxFONTENCODING_MACHEBREW: ret = 10005; break; + case wxFONTENCODING_MACGREEK: ret = 10006; break; + case wxFONTENCODING_MACCYRILLIC: ret = 10007; break; + case wxFONTENCODING_MACTHAI: ret = 10021; break; + case wxFONTENCODING_MACCHINESESIMP: ret = 10008; break; + case wxFONTENCODING_MACCENTRALEUR: ret = 10029; break; + case wxFONTENCODING_MACCROATIAN: ret = 10082; break; + case wxFONTENCODING_MACICELANDIC: ret = 10079; break; + case wxFONTENCODING_MACROMANIAN: ret = 10009; break; + + case wxFONTENCODING_ISO2022_JP: ret = 50222; break; + + case wxFONTENCODING_UTF7: ret = 65000; break; + case wxFONTENCODING_UTF8: ret = 65001; break; + + default: return -1; + } -/* -When I started programming with Visual C++ v4.0, I missed one of my favorite -tools -- DBWIN. Finding the code for a simple debug trace utility, DBMON, -on MSDN was a step in the right direction, but it is a console application -and thus has limited features and extensibility. DBWIN32 is my creation -to solve this problem. + if (::IsValidCodePage(ret) == 0) + return -1; -The code is essentially a merging of a stripped down version of the DBWIN code -from VC 1.5 and DBMON.C with a few 32 bit changes. + CPINFO info; + if (::GetCPInfo(ret, &info) == 0) + return -1; -As of version 1.2B, DBWIN32 supports both Win95 and NT. The NT support is -built into the operating system and works just by running DBWIN32. The Win95 -team decided not to support this hook, so I have provided code that will do -this for you. See the file WIN95.TXT for instructions on installing this. + return (long) ret; +} -If you have questions, problems or suggestions about DBWIN32, I welcome your -feedback and plan to actively maintain the code. +extern long wxCharsetToCodepage(const char *name) +{ + // first get the font encoding for this charset + if ( !name ) + return -1; -Andrew Tucker -ast@halcyon.com + wxFontEncoding enc = wxFontMapperBase::Get()->CharsetToEncoding(name, false); + if ( enc == wxFONTENCODING_SYSTEM ) + return -1; -To download dbwin32, see e.g.: + // the use the helper function + return wxEncodingToCodepage(enc); +} -http://ftp.digital.com/pub/micro/NT/WinSite/programr/dbwin32.zip -*/ +#else // !wxUSE_FONTMAP -#include +#include "wx/msw/registry.h" -void OutputDebugStringW95(const char* lpOutputString, ...) +// this should work if Internet Exploiter is installed +extern long wxCharsetToCodepage(const char *name) { - HANDLE heventDBWIN; /* DBWIN32 synchronization object */ - HANDLE heventData; /* data passing synch object */ - HANDLE hSharedFile; /* memory mapped file shared data */ - LPSTR lpszSharedMem; - char achBuffer[500]; - - /* create the output buffer */ - va_list args; - va_start(args, lpOutputString); - vsprintf(achBuffer, lpOutputString, args); - va_end(args); - - /* - Do a regular OutputDebugString so that the output is - still seen in the debugger window if it exists. - - This ifdef is necessary to avoid infinite recursion - from the inclusion of W95TRACE.H - */ -#ifdef _UNICODE - ::OutputDebugStringW(achBuffer); -#else - ::OutputDebugStringA(achBuffer); -#endif + if (!name) + return GetACP(); - /* bail if it's not Win95 */ - { - OSVERSIONINFO VerInfo; - VerInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); - GetVersionEx(&VerInfo); - if ( VerInfo.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS ) - return; - } + long CP = -1; - /* make sure DBWIN is open and waiting */ - heventDBWIN = OpenEvent(EVENT_MODIFY_STATE, FALSE, "DBWIN_BUFFER_READY"); - if ( !heventDBWIN ) - { - //MessageBox(NULL, "DBWIN_BUFFER_READY nonexistent", NULL, MB_OK); - return; - } +#if wxUSE_REGKEY + wxString path(wxT("MIME\\Database\\Charset\\")); + wxString cn(name); - /* get a handle to the data synch object */ - heventData = OpenEvent(EVENT_MODIFY_STATE, FALSE, "DBWIN_DATA_READY"); - if ( !heventData ) + // follow the alias loop + for ( ;; ) { - // MessageBox(NULL, "DBWIN_DATA_READY nonexistent", NULL, MB_OK); - CloseHandle(heventDBWIN); - return; - } - - hSharedFile = CreateFileMapping((HANDLE)-1, NULL, PAGE_READWRITE, 0, 4096, "DBWIN_BUFFER"); - if (!hSharedFile) - { - //MessageBox(NULL, "DebugTrace: Unable to create file mapping object DBWIN_BUFFER", "Error", MB_OK); - CloseHandle(heventDBWIN); - CloseHandle(heventData); - return; + 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; } +#endif // wxUSE_REGKEY - lpszSharedMem = (LPSTR)MapViewOfFile(hSharedFile, FILE_MAP_WRITE, 0, 0, 512); - if (!lpszSharedMem) - { - //MessageBox(NULL, "DebugTrace: Unable to map shared memory", "Error", MB_OK); - CloseHandle(heventDBWIN); - CloseHandle(heventData); - return; - } + return CP; +} - /* wait for buffer event */ - WaitForSingleObject(heventDBWIN, INFINITE); +#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP - /* write it to the shared memory */ -#ifdef __BORLANDC__ - *((LPDWORD)lpszSharedMem) = getpid(); -#else - *((LPDWORD)lpszSharedMem) = _getpid(); -#endif +extern "C" WXDLLIMPEXP_BASE HWND +wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc) +{ + wxCHECK_MSG( classname && pclassname && wndproc, NULL, + wxT("NULL parameter in wxCreateHiddenWindow") ); - wsprintf(lpszSharedMem + sizeof(DWORD), "%s", achBuffer); + // register the class fi we need to first + if ( *pclassname == NULL ) + { + WNDCLASS wndclass; + wxZeroMemory(wndclass); - /* signal data ready event */ - SetEvent(heventData); + wndclass.lpfnWndProc = wndproc; + wndclass.hInstance = wxGetInstance(); + wndclass.lpszClassName = classname; - /* clean up handles */ - CloseHandle(hSharedFile); - CloseHandle(heventData); - CloseHandle(heventDBWIN); + if ( !::RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass() in wxCreateHiddenWindow")); - return; -} + return NULL; + } + *pclassname = classname; + } -#endif + // next create the window + HWND hwnd = ::CreateWindow + ( + *pclassname, + NULL, + 0, 0, 0, 0, + 0, + (HWND) NULL, + (HMENU)NULL, + wxGetInstance(), + (LPVOID) NULL + ); + + if ( !hwnd ) + { + wxLogLastError(wxT("CreateWindow() in wxCreateHiddenWindow")); + } + return hwnd; +}