X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/142b3bc26a6e93f5857bc053c7748b2c845c4a8e..fe2fa280414bbb42ecd32d7c24ab8073e4182969:/src/msw/utils.cpp?ds=sidebyside diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp index 117a19c12d..ed2e0d224d 100644 --- a/src/msw/utils.cpp +++ b/src/msw/utils.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/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 ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ -// #pragma implementation "utils.h" // Note: this is done in utilscmn.cpp now. -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -33,27 +29,33 @@ #include "wx/app.h" #include "wx/intl.h" #include "wx/log.h" -#if wxUSE_GUI - #include "wx/cursor.h" -#endif #endif //WX_PRECOMP -// In some mingws there is a missing extern "C" int the winsock header, -// so we put it here just to be safe. Note that this must appear _before_ -// #include "wx/msw/private.h" which itself includes , as this -// one in turn includes unless we define WIN32_LEAN_AND_MEAN. -// -#if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__)) -extern "C" { - #include // we use socket functions in wxGetFullHostName() -} -#endif +#include "wx/msw/registry.h" +#include "wx/apptrait.h" +#include "wx/dynlib.h" +#include "wx/dynload.h" +#include "wx/scopeguard.h" + +#include "wx/confbase.h" // for wxExpandEnvVars() #include "wx/msw/private.h" // includes +#include "wx/msw/missing.h" // for CHARSET_HANGUL -#include "wx/timer.h" +#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(__WXWINE__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) +#if !defined(__GNUWIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) #include #ifndef __MWERKS__ @@ -61,7 +63,7 @@ extern "C" { #endif #endif //GNUWIN32 -#if defined(__CYGWIN__) && !defined(__TWIN32__) +#if defined(__CYGWIN__) #include #include #include // for cygwin_conv_to_full_win32_path() @@ -83,8 +85,10 @@ extern "C" { #include #endif // USE_NET_API -#if defined(__WIN32__) && !defined(__WXWINE__) && !defined(__WXMICROWIN__) - #include +#if defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) + #ifndef __UNIX__ + #include + #endif #ifndef __GNUWIN32__ #include @@ -97,47 +101,21 @@ extern "C" { #endif #endif -//// BEGIN for console support: VC++ only -#ifdef __VISUALC__ - -#include "wx/msw/msvcrt.h" - -#include - -#include "wx/ioswrap.h" - -/* Need to undef new if including crtdbg.h */ -# ifdef new -# undef new -# endif - -#ifndef __WIN16__ -# include -#endif - -# if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS -# define new new(__TFILE__,__LINE__) -# endif - -#endif - // __VISUALC__ -/// END for console support +// For wxKillAllChildren +#include // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- // In the WIN.INI file +#if (!defined(USE_NET_API) && !defined(__WXWINCE__)) || defined(__WXMICROWIN__) static const wxChar WX_SECTION[] = wxT("wxWindows"); -static const wxChar eUSERNAME[] = wxT("UserName"); - -// 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 +#endif -#ifndef __WXMICROWIN__ +#if (!defined(USE_NET_API) && !defined(__WXWINCE__)) +static const wxChar eUSERNAME[] = wxT("UserName"); +#endif // ============================================================================ // implementation @@ -148,18 +126,22 @@ static const wxChar eUSERID[] = wxT("UserId"); // ---------------------------------------------------------------------------- // Get hostname only (without domain name) -bool wxGetHostName(wxChar *buf, int maxSize) +bool wxGetHostName(wxChar *WXUNUSED_IN_WINCE(buf), + int WXUNUSED_IN_WINCE(maxSize)) { -#if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) +#if defined(__WXWINCE__) + // TODO-CE + return false; +#elif defined(__WIN32__) && !defined(__WXMICROWIN__) DWORD nSize = maxSize; if ( !::GetComputerName(buf, &nSize) ) { wxLogLastError(wxT("GetComputerName")); - return FALSE; + return false; } - return TRUE; + return true; #else wxChar *sysname; const wxChar *default_host = wxT("noname"); @@ -169,59 +151,102 @@ bool wxGetHostName(wxChar *buf, int maxSize) } else wxStrncpy(buf, sysname, maxSize - 1); buf[maxSize] = wxT('\0'); - return *buf ? TRUE : FALSE; + return *buf ? true : false; #endif } // get full hostname (with domain name if possible) bool wxGetFullHostName(wxChar *buf, int maxSize) { -#if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__)) +#if !defined( __WXMICROWIN__) && wxUSE_DYNLIB_CLASS && wxUSE_SOCKETS // TODO should use GetComputerNameEx() when available - WSADATA wsa; - if ( WSAStartup(MAKEWORD(1, 1), &wsa) == 0 ) + + // 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(_T("ws2_32.dll"), wxDL_VERBATIM); + if ( dllWinsock.IsLoaded() ) { - wxString host; - char bufA[256]; - if ( gethostname(bufA, WXSIZEOF(bufA)) == 0 ) + 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(_T(#func)) + + LOAD_WINSOCK_FUNC(WSAStartup); + + WSADATA wsa; + if ( pfnWSAStartup && pfnWSAStartup(MAKEWORD(1, 1), &wsa) == 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); + LOAD_WINSOCK_FUNC(gethostname); - if ( pHostEnt ) + wxString host; + if ( pfngethostname ) + { + char bufA[256]; + if ( pfngethostname(bufA, WXSIZEOF(bufA)) == 0 ) { - // Windows will use DNS internally now - pHostEnt = gethostbyaddr(pHostEnt->h_addr, 4, PF_INET); - } + // 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); - if ( pHostEnt ) - { - host = pHostEnt->h_name; + 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); + } + } } } - } - WSACleanup(); + LOAD_WINSOCK_FUNC(WSACleanup); + if ( pfnWSACleanup ) + pfnWSACleanup(); - if ( !!host ) - { - wxStrncpy(buf, host, maxSize); - return TRUE; + if ( !host.empty() ) + { + wxStrncpy(buf, host, maxSize); + + return true; + } } } -#endif // Win32 +#endif // !__WXMICROWIN__ return wxGetHostName(buf, maxSize); } // Get user ID e.g. jacs -bool wxGetUserId(wxChar *buf, int maxSize) +bool wxGetUserId(wxChar *WXUNUSED_IN_WINCE(buf), + int WXUNUSED_IN_WINCE(maxSize)) { -#if defined(__WIN32__) && !defined(__win32s__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) +#if defined(__WXWINCE__) + // TODO-CE + return false; +#elif defined(__WIN32__) && !defined(__WXMICROWIN__) DWORD nSize = maxSize; if ( ::GetUserName(buf, &nSize) == 0 ) { @@ -230,21 +255,21 @@ bool wxGetUserId(wxChar *buf, int maxSize) if ( res == 0 ) { // not found - return FALSE; + return false; } } - return TRUE; -#else // Win16 or Win32s + return true; +#else // __WXMICROWIN__ 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 ) + if ( (user = wxGetenv(wxT("USER"))) == NULL && + (user = wxGetenv(wxT("LOGNAME"))) == NULL ) { - // Use wxWindows configuration data (comming soon) + // Use wxWidgets configuration data (comming soon) GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1); } else @@ -252,115 +277,116 @@ bool wxGetUserId(wxChar *buf, int maxSize) wxStrncpy(buf, user, maxSize - 1); } - return *buf ? TRUE : FALSE; + return *buf ? true : false; #endif } // Get user name e.g. Julian Smart bool wxGetUserName(wxChar *buf, int maxSize) { -#if wxUSE_PENWINDOWS && !defined(__WATCOMC__) && !defined(__GNUWIN32__) - 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, + _T("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; + wxStrncpy(buf, name.c_str(), maxSize-1); + buf[maxSize-1] = _T('\0'); + 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 ) { -#ifdef USE_NET_API - CHAR szUserName[256]; - if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) ) - return FALSE; - - // TODO how to get the domain name? - CHAR *szDomain = ""; + wxLogError(wxT("Can not find domain controller")); - // 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 + goto error; + } - // 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) ); + // 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; - // Get the computer name of a DC for the domain. - if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success ) - { - wxLogError(wxT("Can not find domain controller")); + case NERR_InvalidComputer: + wxLogError(wxT("Invalid domain controller name.")); 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); - case NERR_UserNotFound: - wxLogError(wxT("Invalid user name '%s'."), szUserName); - - goto error; + goto error; - default: - wxLogSysError(wxT("Can't get information about user")); + default: + wxLogSysError(wxT("Can't get information about user")); - goto error; - } + goto error; + } - // Convert the Unicode full name to ANSI - WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1, - buf, maxSize, NULL, NULL ); + // Convert the Unicode full name to ANSI + WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1, + buf, maxSize, NULL, NULL ); - return TRUE; + return true; error: - wxLogError(wxT("Couldn't look up full user name.")); + wxLogError(wxT("Couldn't look up full user name.")); - return FALSE; + return false; #else // !USE_NET_API - // Could use NIS, MS-Mail or other site specific programs - // Use wxWindows configuration data - bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxT(""), buf, maxSize - 1) != 0; - if ( !ok ) - { - ok = wxGetUserId(buf, maxSize); - } + // Could use NIS, MS-Mail or other site specific programs + // Use wxWidgets 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 + if ( !ok ) + { + wxStrncpy(buf, wxT("Unknown User"), maxSize); } - return TRUE; + return true; +#endif // Win32/16 } const wxChar* wxGetHomeDir(wxString *pstr) { - wxString& strDir = *pstr; + wxString& strDir = *pstr; - #if defined(__UNIX__) && !defined(__TWIN32__) + // first branch is for Cygwin +#if defined(__UNIX__) && !defined(__WINE__) const wxChar *szHome = wxGetenv("HOME"); if ( szHome == NULL ) { // we're homeless... @@ -375,32 +401,33 @@ const wxChar* wxGetHomeDir(wxString *pstr) 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; + // 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 - #else // Windows - #ifdef __WIN32__ - strDir.clear(); +#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 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 ) - { + if ( szHome != NULL ) + { strDir = szHome; - } - else // no HOME, try HOMEDRIVE/PATH - { - szHome = wxGetenv(wxT("HOMEDRIVE")); - if ( szHome != NULL ) + } + else // no HOME, try HOMEDRIVE/PATH + { + szHome = wxGetenv(wxT("HOMEDRIVE")); + if ( szHome != NULL ) strDir << szHome; - szHome = wxGetenv(wxT("HOMEPATH")); + szHome = wxGetenv(wxT("HOMEPATH")); - if ( szHome != NULL ) - { + if ( szHome != NULL ) + { strDir << szHome; // the idea is that under NT these variables have default values @@ -410,87 +437,56 @@ const wxChar* wxGetHomeDir(wxString *pstr) // 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(); - } - } + 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 ( 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 ) + 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), - strPath.GetWriteBuf(MAX_PATH), MAX_PATH); - strPath.UngetWriteBuf(); - - // extract the dir name - wxSplitPath(strPath, &strDir, NULL, NULL); + } - #endif // UNIX/Win + 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 + wxSplitPath(wxGetFullModuleName(), &strDir, NULL, NULL); + } +#endif // UNIX/Win - return strDir.c_str(); + return strDir.c_str(); } -wxChar *wxGetUserHome(const wxString& WXUNUSED(user)) +wxString wxGetUserHome(const wxString& user) { - // 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; + wxString home; - return (wxChar *)wxGetHomeDir(&s_home); -} + if ( user.empty() || user == wxGetUserId() ) + wxGetHomeDir(&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 + return home; } -bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) +bool wxGetDiskSpace(const wxString& WXUNUSED_IN_WINCE(path), + wxDiskspaceSize_t *WXUNUSED_IN_WINCE(pTotal), + wxDiskspaceSize_t *WXUNUSED_IN_WINCE(pFree)) { +#ifdef __WXWINCE__ + // TODO-CE + return false; +#else if ( path.empty() ) - return FALSE; + return false; // old w32api don't have ULARGE_INTEGER #if defined(__WIN32__) && \ @@ -518,14 +514,14 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) ULARGE_INTEGER bytesFree, bytesTotal; // may pass the path as is, GetDiskFreeSpaceEx() is smart enough - if ( !pGetDiskFreeSpaceEx(path, + if ( !pGetDiskFreeSpaceEx(path.fn_str(), &bytesFree, &bytesTotal, NULL) ) { wxLogLastError(_T("GetDiskFreeSpaceEx")); - return FALSE; + return false; } // ULARGE_INTEGER is a union of a 64 bit value and a struct containing @@ -538,12 +534,20 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) #endif if ( pTotal ) { - *pTotal = wxLongLong(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart); +#if wxUSE_LONGLONG + *pTotal = wxDiskspaceSize_t(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart); +#else + *pTotal = wxDiskspaceSize_t(UL(bytesTotal).LowPart); +#endif } if ( pFree ) { +#if wxUSE_LONGLONG *pFree = wxLongLong(UL(bytesFree).HighPart, UL(bytesFree).LowPart); +#else + *pFree = wxDiskspaceSize_t(UL(bytesFree).LowPart); +#endif } } else @@ -560,7 +564,7 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) // FIXME: this is wrong, we should extract the root drive from path // instead, but this is the job for wxFileName... - if ( !::GetDiskFreeSpace(path, + if ( !::GetDiskFreeSpace(path.fn_str(), &lSectorsPerCluster, &lBytesPerSector, &lNumberOfFreeClusters, @@ -568,10 +572,10 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) { wxLogLastError(_T("GetDiskFreeSpace")); - return FALSE; + return false; } - wxLongLong lBytesPerCluster = lSectorsPerCluster; + wxDiskspaceSize_t lBytesPerCluster = (wxDiskspaceSize_t) lSectorsPerCluster; lBytesPerCluster *= lBytesPerSector; if ( pTotal ) @@ -587,67 +591,75 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) } } - return TRUE; + return true; +#endif + // __WXWINCE__ } // ---------------------------------------------------------------------------- // env vars // ---------------------------------------------------------------------------- -bool wxGetEnv(const wxString& var, wxString *value) +bool wxGetEnv(const wxString& WXUNUSED_IN_WINCE(var), + wxString *WXUNUSED_IN_WINCE(value)) { -#ifdef __WIN16__ - const wxChar* ret = wxGetenv(var); - if (ret) - { - *value = ret; - return TRUE; - } - else - return FALSE; -#else +#ifdef __WXWINCE__ + // no environment variables under CE + return false; +#else // Win32 // first get the size of the buffer - DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0); + DWORD dwRet = ::GetEnvironmentVariable(var.t_str(), NULL, 0); if ( !dwRet ) { // this means that there is no such variable - return FALSE; + return false; } if ( value ) { - (void)::GetEnvironmentVariable(var, value->GetWriteBuf(dwRet), dwRet); - value->UngetWriteBuf(); + (void)::GetEnvironmentVariable(var.t_str(), + wxStringBuffer(*value, dwRet), + dwRet); } - return TRUE; -#endif + return true; +#endif // WinCE/32 } -bool wxSetEnv(const wxString& var, const wxChar *value) +bool wxDoSetEnv(const wxString& WXUNUSED_IN_WINCE(var), + const wxChar *WXUNUSED_IN_WINCE(value)) { // 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__) - if ( !::SetEnvironmentVariable(var, value) ) +#ifdef __WXWINCE__ + // no environment variables under CE + return false; +#else + if ( !::SetEnvironmentVariable(var.t_str(), value) ) { wxLogLastError(_T("SetEnvironmentVariable")); - return FALSE; + return false; } - return TRUE; -#else // no way to set env vars - return FALSE; + return true; #endif } +bool wxSetEnv(const wxString& variable, const wxString& value) +{ + return wxDoSetEnv(variable, value.t_str()); +} + +bool wxUnsetEnv(const wxString& variable) +{ + return wxDoSetEnv(variable, NULL); +} + // ---------------------------------------------------------------------------- // process management // ---------------------------------------------------------------------------- -#ifdef __WIN32__ - // structure used to pass parameters from wxKill() to wxEnumFindByPidProc() struct wxFindByPidParams { @@ -658,6 +670,8 @@ struct wxFindByPidParams // the PID we're looking from DWORD pid; + + DECLARE_NO_COPY_CLASS(wxFindByPidParams) }; // wxKill helper: EnumWindows() callback which is used to find the first (top @@ -681,11 +695,13 @@ BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam) return TRUE; } -#endif // __WIN32__ +int wxKillAllChildren(long pid, wxSignal sig, wxKillError *krc); -int wxKill(long pid, wxSignal sig, wxKillError *krc) +int wxKill(long pid, wxSignal sig, wxKillError *krc, int flags) { -#ifdef __WIN32__ + if (flags & wxKILL_CHILDREN) + wxKillAllChildren(pid, sig, krc); + // get the process handle to operate on HANDLE hProcess = ::OpenProcess(SYNCHRONIZE | PROCESS_TERMINATE | @@ -696,20 +712,20 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) { if ( krc ) { - if ( ::GetLastError() == ERROR_ACCESS_DENIED ) - { - *krc = wxKILL_ACCESS_DENIED; - } - else - { - *krc = wxKILL_NO_PROCESS; - } + // 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; } - bool ok = TRUE; + wxON_BLOCK_EXIT1(::CloseHandle, hProcess); + + bool ok = true; switch ( sig ) { case wxSIGKILL: @@ -725,13 +741,15 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) *krc = wxKILL_ERROR; } - ok = FALSE; + ok = false; } break; case wxSIGNONE: // do nothing, we just want to test for process existence - break; + if ( krc ) + *krc = wxKILL_OK; + return 0; default: // any other signal means "terminate" @@ -740,7 +758,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) 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 + // something or if an error occurred and non zero if it // enumerated all the window if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)¶ms) ) { @@ -749,7 +767,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) { // tell the app to close // - // NB: this is the harshest way, the app won't have + // 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) @@ -762,24 +780,21 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) { wxLogLastError(_T("EnumWindows")); - ok = FALSE; + ok = false; } } else // no windows for this PID { if ( krc ) - { *krc = wxKILL_ERROR; - } - ok = FALSE; + ok = false; } } } // the return code - DWORD rc; - + DWORD rc wxDUMMY_INITIALIZE(0); if ( ok ) { // as we wait for a short time, we can use just WaitForSingleObject() @@ -804,56 +819,124 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) case WAIT_TIMEOUT: if ( krc ) - { *krc = wxKILL_ERROR; - } rc = STILL_ACTIVE; break; } } - else // !ok - { - // just to suppress the warnings about uninitialized variable - rc = 0; - } - ::CloseHandle(hProcess); // the return code is the same as from Unix kill(): 0 if killed // successfully or -1 on error - if ( sig == wxSIGNONE ) - { - if ( ok && rc == STILL_ACTIVE ) - { - // there is such process => success - return 0; - } + if ( !ok || rc == STILL_ACTIVE ) + return -1; + + if ( krc ) + *krc = wxKILL_OK; + + return 0; +} + +typedef HANDLE (WINAPI *CreateToolhelp32Snapshot_t)(DWORD,DWORD); +typedef BOOL (WINAPI *Process32_t)(HANDLE,LPPROCESSENTRY32); + +CreateToolhelp32Snapshot_t lpfCreateToolhelp32Snapshot; +Process32_t lpfProcess32First, lpfProcess32Next; + +static void InitToolHelp32() +{ + static bool s_initToolHelpDone = false; + + if (s_initToolHelpDone) + return; + + s_initToolHelpDone = true; + + lpfCreateToolhelp32Snapshot = NULL; + lpfProcess32First = NULL; + lpfProcess32Next = NULL; + +#if wxUSE_DYNLIB_CLASS + + wxDynamicLibrary dllKernel(_T("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(_T("CreateToolhelp32Snapshot")); + + lpfProcess32First = + (Process32_t)dllKernel.RawGetSymbol(_T("Process32First")); + + lpfProcess32Next = + (Process32_t)dllKernel.RawGetSymbol(_T("Process32Next")); + +#endif // wxUSE_DYNLIB_CLASS +} + +// By John Skiff +int wxKillAllChildren(long pid, wxSignal sig, wxKillError *krc) +{ + 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; } - else // not SIGNONE - { - if ( ok && rc != STILL_ACTIVE ) - { - // killed => success - return 0; - } + + //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; } -#else // Win15 - wxFAIL_MSG( _T("not implemented") ); -#endif // Win32/Win16 - // error - return -1; + do { + if (pe.th32ParentProcessID == (DWORD) pid) { + if (wxKill(pe.th32ProcessID, sig, krc)) + return -1; + } + } while (lpfProcess32Next (hProcessSnap, &pe)); + + + return 0; } // Execute a program in an Interactive Shell bool wxShell(const wxString& command) { + wxString cmd; + +#ifdef __WXWINCE__ + cmd = command; +#else wxChar *shell = wxGetenv(wxT("COMSPEC")); if ( !shell ) - shell = wxT("\\COMMAND.COM"); + shell = (wxChar*) wxT("\\COMMAND.COM"); - wxString cmd; if ( !command ) { // just the shell @@ -864,8 +947,70 @@ bool wxShell(const wxString& command) // 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; +} + +// Shutdown or reboot the PC +bool wxShutdown(wxShutdownFlags WXUNUSED_IN_WINCE(wFlags)) +{ +#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. + ::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(flags, 0) != 0; + } - return wxExecute(cmd, TRUE /* sync */) != 0; + return bOK; +#endif // Win32/16 } // ---------------------------------------------------------------------------- @@ -873,27 +1018,92 @@ bool wxShell(const wxString& command) // ---------------------------------------------------------------------------- // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX) -long wxGetFreeMemory() +wxMemorySize wxGetFreeMemory() { -#if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__) +#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 memStatus.dwAvailPhys; -#else - return (long)GetFreeSpace(0); + ::GlobalMemoryStatus(&memStatus); + return (wxMemorySize)memStatus.dwAvailPhys; #endif } +unsigned long wxGetProcessId() +{ + return ::GetCurrentProcessId(); +} + // Emit a beeeeeep void wxBell() { ::MessageBeep((UINT)-1); // default sound } +bool wxIsDebuggerRunning() +{ +#if wxUSE_DYNLIB_CLASS + // IsDebuggerPresent() is not available under Win95, so load it dynamically + wxDynamicLibrary dll(_T("kernel32.dll"), wxDL_VERBATIM); + + typedef BOOL (WINAPI *IsDebuggerPresent_t)(); + if ( !dll.HasSymbol(_T("IsDebuggerPresent")) ) + { + // no way to know, assume no + return false; + } + + return (*(IsDebuggerPresent_t)dll.GetSymbol(_T("IsDebuggerPresent")))() != 0; +#else + return false; +#endif +} + +// ---------------------------------------------------------------------------- +// 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 +{ + +int wxIsWindowsServer() +{ +#ifdef VER_NT_WORKSTATION + OSVERSIONINFOEX info; + wxZeroMemory(info); + + info.dwOSVersionInfoSize = sizeof(info); + if ( ::GetVersionEx(wx_reinterpret_cast(OSVERSIONINFO *, &info)) ) + { + switch ( info.wProductType ) + { + case VER_NT_WORKSTATION: + return false; + + case VER_NT_SERVER: + case VER_NT_DOMAIN_CONTROLLER: + return true; + } + } +#endif // VER_NT_WORKSTATION + + return -1; +} + +} // anonymous namespace + wxString wxGetOsDescription() { -#ifdef __WIN32__ wxString str; OSVERSIONINFO info; @@ -904,13 +1114,51 @@ wxString wxGetOsDescription() { 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: - str.Printf(_("Windows 9%c"), - info.dwMinorVersion == 0 ? _T('5') : _T('8')); + 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 << _T(" (") << info.szCSDVersion << _T(')'); @@ -918,15 +1166,60 @@ wxString wxGetOsDescription() break; case VER_PLATFORM_WIN32_NT: - str.Printf(_T("Windows NT %lu.%lu (build %lu"), + switch ( info.dwMajorVersion ) + { + case 5: + switch ( info.dwMinorVersion ) + { + case 0: + str.Printf(_("Windows 2000 (build %lu"), + info.dwBuildNumber); + 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.Printf(_("Windows Server 2003 (build %lu"), + info.dwBuildNumber); + break; + } + //else: must be XP, fall through + + case 1: + str.Printf(_("Windows XP (build %lu"), + info.dwBuildNumber); + break; + } + break; + + case 6: + if ( info.dwMinorVersion == 0 ) + { + str.Printf(_("Windows Vista (build %lu"), + info.dwBuildNumber); + } + break; + } + + if ( str.empty() ) + { + str.Printf(_("Windows NT %lu.%lu (build %lu"), info.dwMajorVersion, info.dwMinorVersion, info.dwBuildNumber); + } + if ( !wxIsEmpty(info.szCSDVersion) ) { str << _T(", ") << info.szCSDVersion; } str << _T(')'); + + if ( wxIsPlatform64Bit() ) + str << _(", 64-bit edition"); break; } } @@ -936,663 +1229,340 @@ wxString wxGetOsDescription() } return str; -#else // Win16 - return _("Windows 3.1"); -#endif // Win32/16 } -int wxGetOsVersion(int *majorVsn, int *minorVsn) +bool wxIsPlatform64Bit() { -#if defined(__WIN32__) && !defined(__SC__) - static int ver = -1, major = -1, minor = -1; +#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(_T("kernel32.dll")); + IsWow64Process_t pfnIsWow64Process = + (IsWow64Process_t)dllKernel32.RawGetSymbol(_T("IsWow64Process")); + + BOOL wow64 = FALSE; + if ( pfnIsWow64Process ) + { + pfnIsWow64Process(::GetCurrentProcess(), &wow64); + } + //else: running under a system without Win64 support + + return wow64 != FALSE; +#else + return false; +#endif // Win64/Win32 +} + +wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin) +{ + static struct + { + // this may be false, true or -1 if we tried to initialize but failed + int initialized; + + wxOperatingSystemId os; - if ( ver == -1 ) + int verMaj, + verMin; + } s_version; + + // query the OS info only once as it's not supposed to change + if ( !s_version.initialized ) { OSVERSIONINFO info; wxZeroMemory(info); - - ver = wxWINDOWS; - info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + info.dwOSVersionInfoSize = sizeof(info); if ( ::GetVersionEx(&info) ) { - major = info.dwMajorVersion; - minor = info.dwMinorVersion; + 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_WIN32s: - ver = wxWIN32S; + case VER_PLATFORM_WIN32_NT: + s_version.os = wxOS_WINDOWS_NT; break; case VER_PLATFORM_WIN32_WINDOWS: - ver = wxWIN95; - break; - - case VER_PLATFORM_WIN32_NT: - ver = wxWINDOWS_NT; + 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; } } - if (majorVsn && major != -1) - *majorVsn = major; - if (minorVsn && minor != -1) - *minorVsn = minor; - - return ver; -#else // Win16 - int retValue = wxWINDOWS; - #ifdef __WINDOWS_386__ - retValue = wxWIN386; - #else - #if !defined(__WATCOMC__) && !defined(GNUWIN32) && wxUSE_PENWINDOWS - extern HANDLE g_hPenWin; - retValue = g_hPenWin ? wxPENWINDOWS : wxWINDOWS; - #endif - #endif - - if (majorVsn) - *majorVsn = 3; - if (minorVsn) - *minorVsn = 1; - - return retValue; -#endif -} - -// ---------------------------------------------------------------------------- -// sleep functions -// ---------------------------------------------------------------------------- - -#if wxUSE_GUI - -#if wxUSE_TIMER - -// Sleep for nSecs seconds. Attempt a Windows implementation using timers. -static bool gs_inTimer = FALSE; - -class wxSleepTimer : public wxTimer -{ -public: - virtual void Notify() + if ( s_version.initialized == 1 ) { - gs_inTimer = FALSE; - Stop(); + if ( verMaj ) + *verMaj = s_version.verMaj; + if ( verMin ) + *verMin = s_version.verMin; } -}; - -static wxTimer *wxTheSleepTimer = NULL; -void wxUsleep(unsigned long milliseconds) -{ -#ifdef __WIN32__ - ::Sleep(milliseconds); -#else // !Win32 - if (gs_inTimer) - return; - - wxTheSleepTimer = new wxSleepTimer; - gs_inTimer = TRUE; - wxTheSleepTimer->Start(milliseconds); - while (gs_inTimer) - { - if (wxTheApp->Pending()) - wxTheApp->Dispatch(); - } - delete wxTheSleepTimer; - wxTheSleepTimer = NULL; -#endif // Win32/!Win32 + // 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; } -void wxSleep(int nSecs) +wxWinVersion wxGetWinVersion() { - if (gs_inTimer) - return; - - wxTheSleepTimer = new wxSleepTimer; - gs_inTimer = TRUE; - wxTheSleepTimer->Start(nSecs*1000); - while (gs_inTimer) + int verMaj, + verMin; + switch ( wxGetOsVersion(&verMaj, &verMin) ) { - if (wxTheApp->Pending()) - wxTheApp->Dispatch(); - } - delete wxTheSleepTimer; - wxTheSleepTimer = NULL; -} - -// Consume all events until no more left -void wxFlushEvents() -{ -// wxYield(); -} - -#endif // wxUSE_TIMER - -#elif defined(__WIN32__) // wxUSE_GUI - -void wxUsleep(unsigned long milliseconds) -{ - ::Sleep(milliseconds); -} - -void wxSleep(int nSecs) -{ - wxUsleep(1000*nSecs); -} + case wxOS_WINDOWS_9X: + if ( verMaj == 4 ) + { + switch ( verMin ) + { + case 0: + return wxWinVersion_95; -#endif // wxUSE_GUI/!wxUSE_GUI -#endif // __WXMICROWIN__ + case 10: + return wxWinVersion_98; -// ---------------------------------------------------------------------------- -// deprecated (in favour of wxLog) log functions -// ---------------------------------------------------------------------------- + case 90: + return wxWinVersion_ME; + } + } + break; -#if WXWIN_COMPATIBILITY_2_2 + case wxOS_WINDOWS_NT: + switch ( verMaj ) + { + case 3: + return wxWinVersion_NT3; -// Output a debug mess., in a system dependent fashion. -#ifndef __WXMICROWIN__ -void wxDebugMsg(const wxChar *fmt ...) -{ - va_list ap; - static wxChar buffer[512]; + case 4: + return wxWinVersion_NT4; - if (!wxTheApp->GetWantDebugOutput()) - return ; + case 5: + switch ( verMin ) + { + case 0: + return wxWinVersion_2000; - va_start(ap, fmt); + case 1: + return wxWinVersion_XP; - wvsprintf(buffer,fmt,ap) ; - OutputDebugString((LPCTSTR)buffer) ; + case 2: + return wxWinVersion_2003; + } + break; - va_end(ap); -} + case 6: + return wxWinVersion_NT6; + } + break; -// Non-fatal error: pop up message box and (possibly) continue -void wxError(const wxString& msg, const wxString& title) -{ - wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg); - if (MessageBox(NULL, (LPCTSTR)wxBuffer, (LPCTSTR)WXSTRINGCAST title, - MB_ICONSTOP | MB_YESNO) == IDNO) - wxExit(); -} + default: + // Do nothing just to silence GCC warning + break; + } -// Fatal error: pop up message box and abort -void wxFatalError(const wxString& msg, const wxString& title) -{ - wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg); - FatalAppExit(0, (LPCTSTR)wxBuffer); + return wxWinVersion_Unknown; } -#endif // __WXMICROWIN__ - -#endif // WXWIN_COMPATIBILITY_2_2 - -#if wxUSE_GUI // ---------------------------------------------------------------------------- -// functions to work with .INI files +// sleep functions // ---------------------------------------------------------------------------- -// 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) -{ - if (file != wxT("")) -// Don't know what the correct cast should be, but it doesn't -// compile in BC++/16-bit without this cast. -#if !defined(__WIN32__) - return (WritePrivateProfileString((const char*) section, (const char*) entry, (const char*) value, (const char*) file) != 0); -#else - return (WritePrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)value, (LPCTSTR)WXSTRINGCAST file) != 0); -#endif - else - return (WriteProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)WXSTRINGCAST value) != 0); -} - -bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file) -{ - wxString buf; - buf.Printf(wxT("%.4f"), value); - - return wxWriteResource(section, entry, buf, file); -} - -bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file) -{ - wxString buf; - buf.Printf(wxT("%ld"), value); - - return wxWriteResource(section, entry, buf, file); -} - -bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file) -{ - wxString buf; - buf.Printf(wxT("%d"), value); - - return wxWriteResource(section, entry, buf, file); -} - -bool wxGetResource(const wxString& section, const wxString& entry, wxChar **value, const wxString& file) -{ - static const wxChar defunkt[] = wxT("$$default"); - if (file != wxT("")) - { - int n = GetPrivateProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt, - (LPTSTR)wxBuffer, 1000, (LPCTSTR)WXSTRINGCAST file); - if (n == 0 || wxStrcmp(wxBuffer, defunkt) == 0) - return FALSE; - } - else - { - int n = GetProfileString((LPCTSTR)WXSTRINGCAST section, (LPCTSTR)WXSTRINGCAST entry, (LPCTSTR)defunkt, - (LPTSTR)wxBuffer, 1000); - if (n == 0 || wxStrcmp(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) -{ - wxChar *s = NULL; - bool succ = wxGetResource(section, entry, (wxChar **)&s, file); - if (succ) - { - *value = (float)wxStrtod(s, NULL); - delete[] s; - return TRUE; - } - else return FALSE; -} - -bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file) +void wxMilliSleep(unsigned long milliseconds) { - wxChar *s = NULL; - bool succ = wxGetResource(section, entry, (wxChar **)&s, file); - if (succ) - { - *value = wxStrtol(s, NULL, 10); - delete[] s; - return TRUE; - } - else return FALSE; -} - -bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file) -{ - wxChar *s = NULL; - bool succ = wxGetResource(section, entry, (wxChar **)&s, file); - if (succ) - { - *value = (int)wxStrtol(s, NULL, 10); - delete[] s; - return TRUE; - } - else return FALSE; -} -#endif // wxUSE_RESOURCES - -// --------------------------------------------------------------------------- -// helper functions for showing a "busy" cursor -// --------------------------------------------------------------------------- - -static HCURSOR gs_wxBusyCursor = 0; // new, busy cursor -static HCURSOR gs_wxBusyCursorOld = 0; // old cursor -static int gs_wxBusyCursorCount = 0; - -extern HCURSOR wxGetCurrentBusyCursor() -{ - return gs_wxBusyCursor; -} - -// Set the cursor to the busy cursor for all windows -void wxBeginBusyCursor(wxCursor *cursor) -{ - if ( gs_wxBusyCursorCount++ == 0 ) - { - gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR(); -#ifndef __WXMICROWIN__ - gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor); -#endif - } - //else: nothing to do, already set -} - -// Restore cursor to normal -void wxEndBusyCursor() -{ - wxCHECK_RET( gs_wxBusyCursorCount > 0, - wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") ); - - if ( --gs_wxBusyCursorCount == 0 ) - { -#ifndef __WXMICROWIN__ - ::SetCursor(gs_wxBusyCursorOld); -#endif - gs_wxBusyCursorOld = 0; - } -} - -// TRUE if we're between the above two calls -bool wxIsBusy() -{ - return gs_wxBusyCursorCount > 0; + ::Sleep(milliseconds); } -// Check whether this window wants to process messages, e.g. Stop button -// in long calculations. -bool wxCheckForInterrupt(wxWindow *wnd) +void wxMicroSleep(unsigned long microseconds) { - wxCHECK( wnd, FALSE ); - - MSG msg; - while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) ) - { - ::TranslateMessage(&msg); - ::DispatchMessage(&msg); - } - - return TRUE; + wxMilliSleep(microseconds/1000); } -// MSW only: get user-defined resource from the .res file. -// Returns NULL or newly-allocated memory, so use delete[] to clean up. - -#ifndef __WXMICROWIN__ -wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType) +void wxSleep(int nSecs) { - HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType); - if ( hResource == 0 ) - return NULL; - - HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource); - if ( hData == 0 ) - return NULL; - - wxChar *theText = (wxChar *)::LockResource(hData); - if ( !theText ) - return NULL; - - // Not all compilers put a zero at the end of the resource (e.g. BC++ doesn't). - // so we need to find the length of the resource. - int len = ::SizeofResource(wxGetInstance(), hResource); - wxChar *s = new wxChar[len+1]; - wxStrncpy(s,theText,len); - s[len]=0; - - // wxChar *s = copystring(theText); - - // Obsolete in WIN32 -#ifndef __WIN32__ - UnlockResource(hData); -#endif - - // No need?? - // GlobalFree(hData); - - return s; + wxMilliSleep(1000*nSecs); } -#endif // __WXMICROWIN__ // ---------------------------------------------------------------------------- -// get display info +// font encoding <-> Win32 codepage conversion functions // ---------------------------------------------------------------------------- -// See also the wxGetMousePosition in window.cpp -// Deprecated: use wxPoint wxGetMousePosition() instead -void wxGetMousePosition( int* x, int* y ) +extern WXDLLIMPEXP_BASE long wxEncodingToCharset(wxFontEncoding encoding) { - POINT pt; - GetCursorPos( & pt ); - if ( x ) *x = pt.x; - if ( y ) *y = pt.y; -}; - -// Return TRUE if we have a colour display -bool wxColourDisplay() -{ -#ifdef __WXMICROWIN__ - // MICROWIN_TODO - return TRUE; -#else - // this function is called from wxDC ctor so it is called a *lot* of times - // hence we optimize it a bit but doign the check only once - // - // this should be MT safe as only the GUI thread (holding the GUI mutex) - // can call us - static int s_isColour = -1; - - if ( s_isColour == -1 ) + switch ( encoding ) { - ScreenHDC dc; - int noCols = ::GetDeviceCaps(dc, NUMCOLORS); - - s_isColour = (noCols == -1) || (noCols > 2); - } - - return s_isColour != 0; + // 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 -} -// Returns depth of screen -int wxDisplayDepth() -{ - ScreenHDC dc; - return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL); -} + case wxFONTENCODING_CP950: + return CHINESEBIG5_CHARSET; -// Get size of display -void wxDisplaySize(int *width, int *height) -{ -#ifdef __WXMICROWIN__ - RECT rect; - HWND hWnd = GetDesktopWindow(); - ::GetWindowRect(hWnd, & rect); - - if ( width ) - *width = rect.right - rect.left; - if ( height ) - *height = rect.bottom - rect.top; -#else // !__WXMICROWIN__ - ScreenHDC dc; - - if ( width ) - *width = ::GetDeviceCaps(dc, HORZRES); - if ( height ) - *height = ::GetDeviceCaps(dc, VERTRES); -#endif // __WXMICROWIN__/!__WXMICROWIN__ -} + // The rest are single byte encodings + case wxFONTENCODING_CP1250: + return EASTEUROPE_CHARSET; -void wxDisplaySizeMM(int *width, int *height) -{ -#ifdef __WXMICROWIN__ - // MICROWIN_TODO - if ( width ) - *width = 0; - if ( height ) - *height = 0; -#else - ScreenHDC dc; + case wxFONTENCODING_CP1251: + return RUSSIAN_CHARSET; - if ( width ) - *width = ::GetDeviceCaps(dc, HORZSIZE); - if ( height ) - *height = ::GetDeviceCaps(dc, VERTSIZE); -#endif -} + case wxFONTENCODING_CP1253: + return GREEK_CHARSET; -void wxClientDisplayRect(int *x, int *y, int *width, int *height) -{ -#if defined(__WIN16__) || defined(__WXMICROWIN__) - *x = 0; *y = 0; - wxDisplaySize(width, height); -#else - // Determine the desktop dimensions minus the taskbar and any other - // special decorations... - RECT r; - - SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0); - if (x) *x = r.left; - if (y) *y = r.top; - if (width) *width = r.right - r.left; - if (height) *height = r.bottom - r.top; -#endif -} + case wxFONTENCODING_CP1254: + return TURKISH_CHARSET; -// --------------------------------------------------------------------------- -// window information functions -// --------------------------------------------------------------------------- + case wxFONTENCODING_CP1255: + return HEBREW_CHARSET; -wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd) -{ - wxString str; + case wxFONTENCODING_CP1256: + return ARABIC_CHARSET; - if ( hWnd ) - { - int len = GetWindowTextLength((HWND)hWnd) + 1; - ::GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len); - str.UngetWriteBuf(); - } - - return str; -} - -wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd) -{ - wxString str; + case wxFONTENCODING_CP1257: + return BALTIC_CHARSET; - // MICROWIN_TODO -#ifndef __WXMICROWIN__ - if ( hWnd ) - { - int len = 256; // some starting value - - for ( ;; ) - { - int count = ::GetClassName((HWND)hWnd, str.GetWriteBuf(len), len); - - str.UngetWriteBuf(); - if ( count == len ) - { - // the class name might have been truncated, retry with larger - // buffer - len *= 2; - } - else - { - break; - } - } - } + case wxFONTENCODING_CP874: + return THAI_CHARSET; #endif // !__WXMICROWIN__ - return str; -} + case wxFONTENCODING_CP437: + return OEM_CHARSET; -WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd) -{ -#ifndef __WIN32__ - return (WXWORD)GetWindowWord((HWND)hWnd, GWW_ID); -#else // Win32 - return (WXWORD)GetWindowLong((HWND)hWnd, GWL_ID); -#endif // Win16/32 -} - -// ---------------------------------------------------------------------------- -// Metafile helpers -// ---------------------------------------------------------------------------- - -extern void PixelToHIMETRIC(LONG *x, LONG *y) -{ - ScreenHDC hdcRef; - - int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE), - iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE), - iWidthPels = GetDeviceCaps(hdcRef, HORZRES), - iHeightPels = GetDeviceCaps(hdcRef, VERTRES); - - *x *= (iWidthMM * 100); - *x /= iWidthPels; - *y *= (iHeightMM * 100); - *y /= iHeightPels; + default: + // no way to translate this encoding into a Windows charset + return -1; + } } -extern void HIMETRICToPixel(LONG *x, LONG *y) -{ - ScreenHDC hdcRef; - - int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE), - iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE), - iWidthPels = GetDeviceCaps(hdcRef, HORZRES), - iHeightPels = GetDeviceCaps(hdcRef, VERTRES); - - *x *= iWidthPels; - *x /= (iWidthMM * 100); - *y *= iHeightPels; - *y /= (iHeightMM * 100); -} +// 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 -#endif // wxUSE_GUI +#include "wx/fontmap.h" -#ifdef __WXMICROWIN__ -int wxGetOsVersion(int *majorVsn, int *minorVsn) +extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding) { - // MICROWIN_TODO - if (majorVsn) *majorVsn = 0; - if (minorVsn) *minorVsn = 0; - return wxUNIX; -} -#endif // __WXMICROWIN__ - -// ---------------------------------------------------------------------------- -// Win32 codepage conversion functions -// ---------------------------------------------------------------------------- + // There don't seem to be symbolic names for + // these under Windows so I just copied the + // values from MSDN. -#if defined(__WIN32__) && !defined(__WXMICROWIN__) + unsigned int ret; -// wxGetNativeFontEncoding() doesn't exist neither in wxBase nor in wxUniv -#if wxUSE_GUI && !defined(__WXUNIVERSAL__) - -#include "wx/fontmap.h" - -// VZ: the new version of wxCharsetToCodepage() is more politically correct -// and should work on other Windows versions as well but the old version is -// still needed for !wxUSE_FONTMAP || !wxUSE_GUI case + 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; + } -extern long wxEncodingToCodepage(wxFontEncoding encoding) -{ - // translate encoding into the Windows CHARSET - wxNativeEncodingInfo natveEncInfo; - if ( !wxGetNativeFontEncoding(encoding, &natveEncInfo) ) + if (::IsValidCodePage(ret) == 0) return -1; - // translate CHARSET to code page - CHARSETINFO csetInfo; - if ( !::TranslateCharsetInfo((DWORD *)(DWORD)natveEncInfo.charset, - &csetInfo, - TCI_SRCCHARSET) ) - { - wxLogLastError(_T("TranslateCharsetInfo(TCI_SRCCHARSET)")); - + CPINFO info; + if (::GetCPInfo(ret, &info) == 0) return -1; - } - return csetInfo.ciACP; + return (long) ret; } -#if wxUSE_FONTMAP - -extern long wxCharsetToCodepage(const wxChar *name) +extern long wxCharsetToCodepage(const char *name) { // first get the font encoding for this charset if ( !name ) return -1; - wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(name, FALSE); + wxFontEncoding enc = wxFontMapperBase::Get()->CharsetToEncoding(name, false); if ( enc == wxFONTENCODING_SYSTEM ) return -1; @@ -1600,30 +1570,29 @@ extern long wxCharsetToCodepage(const wxChar *name) return wxEncodingToCodepage(enc); } -#endif // wxUSE_FONTMAP - -#endif // wxUSE_GUI - -// include old wxCharsetToCodepage() by OK if needed -#if !wxUSE_GUI || !wxUSE_FONTMAP +#else // !wxUSE_FONTMAP #include "wx/msw/registry.h" // this should work if Internet Exploiter is installed -extern long wxCharsetToCodepage(const wxChar *name) +extern long wxCharsetToCodepage(const char *name) { if (!name) return GetACP(); - long CP=-1; + long CP = -1; +#if wxUSE_REGKEY + wxString path(wxT("MIME\\Database\\Charset\\")); wxString cn(name); - do { - wxString path(wxT("MIME\\Database\\Charset\\")); - path += cn; - wxRegKey key(wxRegKey::HKCR, path); - if (!key.Exists()) break; + // 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. @@ -1631,17 +1600,76 @@ extern long wxCharsetToCodepage(const wxChar *name) // 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; + 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; - } while (1); + !key.QueryValue(wxT("AliasForCharset"), cn)) + break; + } +#endif // wxUSE_REGKEY return CP; } -#endif // !wxUSE_GUI || !wxUSE_FONTMAP +#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP + +/* + Creates a hidden window with supplied window proc registering the class for + it if necesssary (i.e. the first time only). Caller is responsible for + destroying the window and unregistering the class (note that this must be + done because wxWidgets may be used as a DLL and so may be loaded/unloaded + multiple times into/from the same process so we cna't rely on automatic + Windows class unregistration). + + pclassname is a pointer to a caller stored classname, which must initially be + NULL. classname is the desired wndclass classname. If function successfully + registers the class, pclassname will be set to classname. + */ +extern "C" WXDLLIMPEXP_BASE HWND +wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc) +{ + wxCHECK_MSG( classname && pclassname && wndproc, NULL, + _T("NULL parameter in wxCreateHiddenWindow") ); -#endif // Win32 + // register the class fi we need to first + if ( *pclassname == NULL ) + { + WNDCLASS wndclass; + wxZeroMemory(wndclass); + + wndclass.lpfnWndProc = wndproc; + wndclass.hInstance = wxGetInstance(); + wndclass.lpszClassName = classname; + + if ( !::RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass() in wxCreateHiddenWindow")); + return NULL; + } + + *pclassname = classname; + } + + // 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; +}