X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..fe4fcb5f4f4fc7ee4c116673c213f53b2bc798fc:/src/msw/utils.cpp diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp index 14346f1413..736a8c90af 100644 --- a/src/msw/utils.cpp +++ b/src/msw/utils.cpp @@ -5,8 +5,8 @@ // 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" @@ -31,29 +27,28 @@ #ifndef WX_PRECOMP #include "wx/utils.h" #include "wx/app.h" - #include "wx/cursor.h" #include "wx/intl.h" #include "wx/log.h" #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(__GNUWIN32__) && !defined(__MINGW32__)) -extern "C" { - #include // we use socket functions in wxGetFullHostName() -} -#endif +#include "wx/apptrait.h" +#include "wx/dynload.h" + +#include "wx/confbase.h" // for wxExpandEnvVars() #include "wx/msw/private.h" // includes +#include "wx/msw/missing.h" // CHARSET_HANGUL -#include "wx/timer.h" +#if 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 -#include +#include "wx/timer.h" -#if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__) +#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) #include #ifndef __MWERKS__ @@ -61,9 +56,10 @@ extern "C" { #endif #endif //GNUWIN32 -#if defined(__GNUWIN32__) && !defined(__TWIN32__) +#if defined(__CYGWIN__) #include #include + #include // for cygwin_conv_to_full_win32_path() #endif //GNUWIN32 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs @@ -82,57 +78,21 @@ extern "C" { #include #endif // USE_NET_API -#if defined(__WIN32__) && !defined(__WXWINE__) - #include +#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 #endif -#include - -//// BEGIN for console support: VC++ only -#ifdef __VISUALC__ - -#include "wx/msw/msvcrt.h" - -#include - -#include "wx/ioswrap.h" - -#if wxUSE_IOSTREAMH -// N.B. BC++ doesn't have istream.h, ostream.h -# include -# include -#else -# include -#endif - -/* 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 // ---------------------------------------------------------------------------- // constants @@ -142,12 +102,6 @@ extern "C" { static const wxChar WX_SECTION[] = wxT("wxWindows"); static const wxChar eUSERNAME[] = wxT("UserName"); -// these are only used under Win16 -#ifndef __WIN32__ -static const wxChar eHOSTNAME[] = wxT("HostName"); -static const wxChar eUSERID[] = wxT("UserId"); -#endif // !Win32 - // ============================================================================ // implementation // ============================================================================ @@ -159,16 +113,18 @@ static const wxChar eUSERID[] = wxT("UserId"); // Get hostname only (without domain name) bool wxGetHostName(wxChar *buf, int maxSize) { -#if defined(__WIN32__) && !defined(__TWIN32__) +#if defined(__WXWINCE__) + 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"); @@ -178,51 +134,90 @@ 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(__GNUWIN32__) && !defined(__MINGW32__)) +#if !defined( __WXMICROWIN__) && wxUSE_DYNAMIC_LOADER // 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 ) - { - // 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); + 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); - if ( pHostEnt ) - { - // Windows will use DNS internally now - pHostEnt = gethostbyaddr(pHostEnt->h_addr, 4, PF_INET); - } + #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 ) + { + LOAD_WINSOCK_FUNC(gethostname); - if ( pHostEnt ) + wxString host; + if ( pfngethostname ) + { + char bufA[256]; + if ( pfngethostname(bufA, WXSIZEOF(bufA)) == 0 ) { - host = pHostEnt->h_name; + // 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); + } + } } } - } - 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); } @@ -230,7 +225,9 @@ bool wxGetFullHostName(wxChar *buf, int maxSize) // Get user ID e.g. jacs bool wxGetUserId(wxChar *buf, int maxSize) { -#if defined(__WIN32__) && !defined(__win32s__) && !defined(__TWIN32__) +#if defined(__WXWINCE__) + return false; +#elif defined(__WIN32__) && !defined(__WXMICROWIN__) DWORD nSize = maxSize; if ( ::GetUserName(buf, &nSize) == 0 ) { @@ -239,12 +236,12 @@ 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"); @@ -253,7 +250,7 @@ bool wxGetUserId(wxChar *buf, int maxSize) 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 @@ -261,115 +258,105 @@ 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) +#if defined(__WXWINCE__) + return false; +#elif defined(USE_NET_API) + CHAR szUserName[256]; + if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) ) + return false; + + // TODO how to get the domain name? + CHAR *szDomain = ""; + + // the code is based on the MSDN example (also see KB article Q119670) + WCHAR wszUserName[256]; // Unicode user name + WCHAR wszDomain[256]; + LPBYTE ComputerName; + + USER_INFO_2 *ui2; // User structure + + // Convert ANSI user name and domain to Unicode + MultiByteToWideChar( CP_ACP, 0, szUserName, strlen(szUserName)+1, + wszUserName, WXSIZEOF(wszUserName) ); + MultiByteToWideChar( CP_ACP, 0, szDomain, strlen(szDomain)+1, + wszDomain, WXSIZEOF(wszDomain) ); + + // Get the computer name of a DC for the domain. + if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success ) { - // 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 - { -#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); } +#endif // Win32/16 - return TRUE; + return true; } const wxChar* wxGetHomeDir(wxString *pstr) { - wxString& strDir = *pstr; + wxString& strDir = *pstr; - #if defined(__UNIX__) && !defined(__TWIN32__) + // first branch is for Cygwin +#if defined(__UNIX__) const wxChar *szHome = wxGetenv("HOME"); if ( szHome == NULL ) { // we're homeless... @@ -382,48 +369,75 @@ const wxChar* wxGetHomeDir(wxString *pstr) // add a trailing slash if needed if ( strDir.Last() != wxT('/') ) strDir << wxT('/'); - #else // Windows - #ifdef __WIN32__ - const wxChar *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 ) - 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 + + #ifdef __CYGWIN__ + // Cygwin returns unix type path but that does not work well + static wxChar windowsPath[MAX_PATH]; + cygwin_conv_to_full_win32_path(strDir, windowsPath); + strDir = windowsPath; #endif +#elif defined(__WXWINCE__) + // Nothing +#else + strDir.clear(); - wxString strPath; - ::GetModuleFileName(::GetModuleHandle(NULL), - strPath.GetWriteBuf(MAX_PATH), MAX_PATH); - strPath.UngetWriteBuf(); + // 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")); - // extract the dir name - wxSplitPath(strPath, &strDir, NULL, NULL); + if ( szHome != NULL ) + { + strDir = szHome; + } + else // no HOME, try HOMEDRIVE/PATH + { + szHome = wxGetenv(wxT("HOMEDRIVE")); + if ( szHome != NULL ) + strDir << szHome; + szHome = wxGetenv(wxT("HOMEPATH")); - #endif // UNIX/Win + 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")); - return strDir.c_str(); + 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 + wxSplitPath(wxGetFullModuleName(), &strDir, NULL, NULL); + } +#endif // UNIX/Win + + return strDir.c_str(); } -wxChar *wxGetUserHome(const wxString& user) +wxChar *wxGetUserHome(const wxString& WXUNUSED(user)) { // VZ: the old code here never worked for user != "" anyhow! Moreover, it // returned sometimes a malloc()'d pointer, sometimes a pointer to a @@ -435,62 +449,374 @@ wxChar *wxGetUserHome(const wxString& user) bool wxDirExists(const wxString& dir) { -#if defined(__WIN32__) - WIN32_FIND_DATA fileInfo; -#else // Win16 - #ifdef __BORLANDC__ - struct ffblk fileInfo; - #else - struct find_t fileInfo; - #endif -#endif // Win32/16 +#ifdef __WXMICROWIN__ + return wxPathExist(dir); +#elif defined(__WIN32__) + DWORD attribs = GetFileAttributes(dir); + return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY)); +#endif // Win32/__WXMICROWIN__ +} -#if defined(__WIN32__) - HANDLE h = ::FindFirstFile(dir, &fileInfo); +bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) +{ +#ifdef __WXWINCE__ + 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(_T("kernel32.dll")), +#if wxUSE_UNICODE + "GetDiskFreeSpaceExW" +#else + "GetDiskFreeSpaceExA" +#endif + ); - if ( h == INVALID_HANDLE_VALUE ) + if ( pGetDiskFreeSpaceEx ) { - wxLogLastError(wxT("FindFirstFile")); + ULARGE_INTEGER bytesFree, bytesTotal; - return FALSE; + // may pass the path as is, GetDiskFreeSpaceEx() is smart enough + if ( !pGetDiskFreeSpaceEx(path, + &bytesFree, + &bytesTotal, + NULL) ) + { + wxLogLastError(_T("GetDiskFreeSpaceEx")); + + return false; + } + + // ULARGE_INTEGER is a union of a 64 bit value and a struct containing + // two 32 bit fields which may be or may be not named - try to make it + // compile in all cases +#if defined(__BORLANDC__) && !defined(_ANONYMOUS_STRUCT) + #define UL(ul) ul.u +#else // anon union + #define UL(ul) ul +#endif + if ( pTotal ) + { + *pTotal = wxLongLong(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart); + } + + if ( pFree ) + { + *pFree = wxLongLong(UL(bytesFree).HighPart, UL(bytesFree).LowPart); + } } + else +#endif // Win32 + { + // there's a problem with drives larger than 2GB, GetDiskFreeSpaceEx() + // should be used instead - but if it's not available, fall back on + // GetDiskFreeSpace() nevertheless... + + DWORD lSectorsPerCluster, + lBytesPerSector, + lNumberOfFreeClusters, + lTotalNumberOfClusters; + + // FIXME: this is wrong, we should extract the root drive from path + // instead, but this is the job for wxFileName... + if ( !::GetDiskFreeSpace(path, + &lSectorsPerCluster, + &lBytesPerSector, + &lNumberOfFreeClusters, + &lTotalNumberOfClusters) ) + { + wxLogLastError(_T("GetDiskFreeSpace")); - ::FindClose(h); - - return (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0; -#else // Win16 - // 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 false; + } + + wxLongLong lBytesPerCluster = lSectorsPerCluster; + lBytesPerCluster *= lBytesPerSector; + + if ( pTotal ) + { + *pTotal = lBytesPerCluster; + *pTotal *= lTotalNumberOfClusters; + } + + if ( pFree ) + { + *pFree = lBytesPerCluster; + *pFree *= lNumberOfFreeClusters; + } + } + + return true; +#endif + // __WXWINCE__ +} + +// ---------------------------------------------------------------------------- +// env vars +// ---------------------------------------------------------------------------- + +bool wxGetEnv(const wxString& var, wxString *value) +{ +#ifdef __WXWINCE__ + return false; +#else // Win32 + // first get the size of the buffer + DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0); + if ( !dwRet ) + { + // this means that there is no such variable + return false; + } + + if ( value ) + { + (void)::GetEnvironmentVariable(var, wxStringBuffer(*value, dwRet), + dwRet); + } + + return true; +#endif // WinCE/32 +} + +bool wxSetEnv(const wxString& var, const wxChar *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__) && !defined(__WXWINCE__) + if ( !::SetEnvironmentVariable(var, value) ) + { + wxLogLastError(_T("SetEnvironmentVariable")); + + return false; + } + + return true; +#else // no way to set env vars + return false; +#endif } // ---------------------------------------------------------------------------- // process management // ---------------------------------------------------------------------------- -int wxKill(long pid, int sig) +// structure used to pass parameters from wxKill() to wxEnumFindByPidProc() +struct wxFindByPidParams +{ + wxFindByPidParams() { hwnd = 0; pid = 0; } + + // the HWND used to return the result + HWND hwnd; + + // 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 +// level) window belonging to the given process +BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam) +{ + 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; +} + +int wxKill(long pid, wxSignal sig, wxKillError *krc) { - // TODO use SendMessage(WM_QUIT) and TerminateProcess() if needed + // get the process handle to operate on + HANDLE hProcess = ::OpenProcess(SYNCHRONIZE | + PROCESS_TERMINATE | + PROCESS_QUERY_INFORMATION, + FALSE, // not inheritable + (DWORD)pid); + if ( hProcess == NULL ) + { + if ( krc ) + { + if ( ::GetLastError() == ERROR_ACCESS_DENIED ) + { + *krc = wxKILL_ACCESS_DENIED; + } + else + { + *krc = wxKILL_NO_PROCESS; + } + } + + return -1; + } + + bool ok = true; + switch ( sig ) + { + case wxSIGKILL: + // kill the process forcefully returning -1 as error code + if ( !::TerminateProcess(hProcess, (UINT)-1) ) + { + wxLogSysError(_("Failed to kill process %d"), pid); + + if ( krc ) + { + // this is not supposed to happen if we could open the + // process + *krc = wxKILL_ERROR; + } + + ok = false; + } + break; + + case wxSIGNONE: + // do nothing, we just want to test for process existence + break; + + default: + // any other signal means "terminate" + { + wxFindByPidParams params; + params.pid = (DWORD)pid; + + // EnumWindows() has nice semantics: it returns 0 if it found + // something or if an error occured and non zero if it + // enumerated all the window + if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)¶ms) ) + { + // did we find any window? + if ( params.hwnd ) + { + // tell the app to close + // + // NB: this is the harshest way, the app won't have + // opportunity to save any files, for example, but + // this is probably what we want here. If not we + // can also use SendMesageTimeout(WM_CLOSE) + if ( !::PostMessage(params.hwnd, WM_QUIT, 0, 0) ) + { + wxLogLastError(_T("PostMessage(WM_QUIT)")); + } + } + else // it was an error then + { + wxLogLastError(_T("EnumWindows")); + + ok = false; + } + } + else // no windows for this PID + { + if ( krc ) + { + *krc = wxKILL_ERROR; + } + + ok = false; + } + } + } + + // the return code + DWORD rc; + + if ( ok ) + { + // as we wait for a short time, we can use just WaitForSingleObject() + // and not MsgWaitForMultipleObjects() + switch ( ::WaitForSingleObject(hProcess, 500 /* msec */) ) + { + case WAIT_OBJECT_0: + // process terminated + if ( !::GetExitCodeProcess(hProcess, &rc) ) + { + wxLogLastError(_T("GetExitCodeProcess")); + } + break; + + default: + wxFAIL_MSG( _T("unexpected WaitForSingleObject() return") ); + // fall through + + case WAIT_FAILED: + wxLogLastError(_T("WaitForSingleObject")); + // fall through + + case WAIT_TIMEOUT: + if ( krc ) + { + *krc = wxKILL_ERROR; + } + + rc = STILL_ACTIVE; + break; + } + } + else // !ok + { + // just to suppress the warnings about uninitialized variable + rc = 0; + } - return 0; + ::CloseHandle(hProcess); + + // the return code is the same as from Unix kill(): 0 if killed + // successfully or -1 on error + // + // be careful to interpret rc correctly: for wxSIGNONE we return success if + // the process exists, for all the other sig values -- if it doesn't + if ( ok && + ((sig == wxSIGNONE) == (rc == STILL_ACTIVE)) ) + { + if ( krc ) + { + *krc = wxKILL_OK; + } + + return 0; + } + + // error + return -1; } // 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 @@ -501,8 +827,69 @@ 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 wFlags) +{ +#ifdef __WXWINCE__ + return false; +#elif defined(__WIN32__) + bool bOK = true; + + if ( wxGetOsVersion(NULL, NULL) == wxWINDOWS_NT ) // if is NT or 2K + { + // Get a token for this process. + HANDLE hToken; + bOK = ::OpenProcessToken(GetCurrentProcess(), + TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, + &hToken) != 0; + if ( bOK ) + { + TOKEN_PRIVILEGES tkp; + + // Get the LUID for the shutdown privilege. + ::LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, + &tkp.Privileges[0].Luid); + + tkp.PrivilegeCount = 1; // one privilege to set + tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; + + // Get the shutdown privilege for this process. + ::AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, + (PTOKEN_PRIVILEGES)NULL, 0); + + // Cannot test the return value of AdjustTokenPrivileges. + bOK = ::GetLastError() == ERROR_SUCCESS; + } + } + + if ( bOK ) + { + UINT flags = EWX_SHUTDOWN | EWX_FORCE; + switch ( wFlags ) + { + case wxSHUTDOWN_POWEROFF: + flags |= EWX_POWEROFF; + break; + + case wxSHUTDOWN_REBOOT: + flags |= EWX_REBOOT; + break; + + default: + wxFAIL_MSG( _T("unknown wxShutdown() flag") ); + return false; + } + + bOK = ::ExitWindowsEx(flags, 0) != 0; + } - return wxExecute(cmd, TRUE /* sync */) != 0; + return bOK; +#endif // Win32/16 } // ---------------------------------------------------------------------------- @@ -512,7 +899,7 @@ bool wxShell(const wxString& command) // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX) long wxGetFreeMemory() { -#if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__) +#if defined(__WIN32__) && !defined(__BORLANDC__) MEMORYSTATUS memStatus; memStatus.dwLength = sizeof(MEMORYSTATUS); GlobalMemoryStatus(&memStatus); @@ -522,6 +909,11 @@ long wxGetFreeMemory() #endif } +unsigned long wxGetProcessId() +{ + return ::GetCurrentProcessId(); +} + // Emit a beeeeeep void wxBell() { @@ -530,7 +922,6 @@ void wxBell() wxString wxGetOsDescription() { -#ifdef __WIN32__ wxString str; OSVERSIONINFO info; @@ -546,8 +937,39 @@ wxString wxGetOsDescription() break; case VER_PLATFORM_WIN32_WINDOWS: - str.Printf(_("Windows 9%c"), - info.dwMinorVersion == 0 ? _T('5') : _T('9')); + 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(')'); @@ -555,10 +977,31 @@ wxString wxGetOsDescription() break; case VER_PLATFORM_WIN32_NT: - str.Printf(_T("Windows NT %lu.%lu (build %lu"), + if ( info.dwMajorVersion == 5 ) + { + switch ( info.dwMinorVersion ) + { + case 0: + str.Printf(_("Windows 2000 (build %lu"), + info.dwBuildNumber); + break; + case 1: + str.Printf(_("Windows XP (build %lu"), + info.dwBuildNumber); + break; + case 2: + str.Printf(_("Windows Server 2003 (build %lu"), + info.dwBuildNumber); + break; + } + } + if ( wxIsEmpty(str) ) + { + str.Printf(_("Windows NT %lu.%lu (build %lu"), info.dwMajorVersion, info.dwMinorVersion, info.dwBuildNumber); + } if ( !wxIsEmpty(info.szCSDVersion) ) { str << _T(", ") << info.szCSDVersion; @@ -573,706 +1016,288 @@ wxString wxGetOsDescription() } return str; -#else // Win16 - return _("Windows 3.1"); -#endif // Win32/16 } -int wxGetOsVersion(int *majorVsn, int *minorVsn) +wxToolkitInfo& wxAppTraits::GetToolkitInfo() { -#if defined(__WIN32__) && !defined(__SC__) - OSVERSIONINFO info; - wxZeroMemory(info); - - info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); - if ( ::GetVersionEx(&info) ) + // cache the version info, it's not going to change + // + // NB: this is MT-safe, we may use these static vars from different threads + // but as they always have the same value it doesn't matter + static int s_ver = -1, + s_major = -1, + s_minor = -1; + + if ( s_ver == -1 ) { - if (majorVsn) - *majorVsn = info.dwMajorVersion; - if (minorVsn) - *minorVsn = info.dwMinorVersion; - - switch ( info.dwPlatformId ) - { - case VER_PLATFORM_WIN32s: - return wxWIN32S; + OSVERSIONINFO info; + wxZeroMemory(info); - case VER_PLATFORM_WIN32_WINDOWS: - return wxWIN95; + s_ver = wxWINDOWS; + info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + if ( ::GetVersionEx(&info) ) + { + s_major = info.dwMajorVersion; + s_minor = info.dwMinorVersion; - case VER_PLATFORM_WIN32_NT: - return wxWINDOWS_NT; + switch ( info.dwPlatformId ) + { + case VER_PLATFORM_WIN32s: + s_ver = wxWIN32S; + break; + + case VER_PLATFORM_WIN32_WINDOWS: + s_ver = wxWIN95; + break; + + case VER_PLATFORM_WIN32_NT: + s_ver = wxWINDOWS_NT; + break; +#ifdef __WXWINCE__ + case VER_PLATFORM_WIN32_CE: + s_ver = wxWINDOWS_CE; + break; +#endif + } } } - return wxWINDOWS; // error if we get here, return generic value -#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 + static wxToolkitInfo info; + info.versionMajor = s_major; + info.versionMinor = s_minor; + info.os = s_ver; + info.name = _T("wxBase"); + return info; } // ---------------------------------------------------------------------------- // sleep functions // ---------------------------------------------------------------------------- -#if wxUSE_GUI - -// Sleep for nSecs seconds. Attempt a Windows implementation using timers. -static bool gs_inTimer = FALSE; - -class wxSleepTimer: public wxTimer +void wxMilliSleep(unsigned long milliseconds) { -public: - virtual void Notify() - { - gs_inTimer = FALSE; - Stop(); - } -}; - -static wxTimer *wxTheSleepTimer = NULL; - -void wxUsleep(unsigned long milliseconds) -{ -#ifdef __WIN32__ ::Sleep(milliseconds); -#else - 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 } -void wxSleep(int nSecs) +void wxMicroSleep(unsigned long microseconds) { - if (gs_inTimer) - return; - - wxTheSleepTimer = new wxSleepTimer; - gs_inTimer = TRUE; - wxTheSleepTimer->Start(nSecs*1000); - while (gs_inTimer) - { - if (wxTheApp->Pending()) - wxTheApp->Dispatch(); - } - delete wxTheSleepTimer; - wxTheSleepTimer = NULL; -} - -// Consume all events until no more left -void wxFlushEvents() -{ -// wxYield(); -} - -#elif defined(__WIN32__) // wxUSE_GUI - -void wxUsleep(unsigned long milliseconds) -{ - ::Sleep(milliseconds); + wxMilliSleep(microseconds/1000); } void wxSleep(int nSecs) { - wxUsleep(1000*nSecs); + wxMilliSleep(1000*nSecs); } -#endif // wxUSE_GUI/!wxUSE_GUI - // ---------------------------------------------------------------------------- -// deprecated (in favour of wxLog) log functions +// font encoding <-> Win32 codepage conversion functions // ---------------------------------------------------------------------------- -#if wxUSE_GUI - -// Output a debug mess., in a system dependent fashion. -void wxDebugMsg(const wxChar *fmt ...) +extern WXDLLIMPEXP_BASE long wxEncodingToCharset(wxFontEncoding encoding) { - va_list ap; - static wxChar buffer[512]; + 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; - if (!wxTheApp->GetWantDebugOutput()) - return ; + case wxFONTENCODING_ISO8859_1: + case wxFONTENCODING_ISO8859_15: + case wxFONTENCODING_CP1252: + return ANSI_CHARSET; - va_start(ap, fmt); +#if !defined(__WXMICROWIN__) + // The following four fonts are multi-byte charsets + case wxFONTENCODING_CP932: + return SHIFTJIS_CHARSET; - wvsprintf(buffer,fmt,ap) ; - OutputDebugString((LPCTSTR)buffer) ; + case wxFONTENCODING_CP936: + return GB2312_CHARSET; - va_end(ap); -} + case wxFONTENCODING_CP949: + return HANGUL_CHARSET; -// 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(); -} + case wxFONTENCODING_CP950: + return CHINESEBIG5_CHARSET; -// 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); -} + // The rest are single byte encodings + case wxFONTENCODING_CP1250: + return EASTEUROPE_CHARSET; -// ---------------------------------------------------------------------------- -// functions to work with .INI files -// ---------------------------------------------------------------------------- + case wxFONTENCODING_CP1251: + return RUSSIAN_CHARSET; -// 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); -} + case wxFONTENCODING_CP1253: + return GREEK_CHARSET; -bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file) -{ - wxString buf; - buf.Printf(wxT("%.4f"), value); + case wxFONTENCODING_CP1254: + return TURKISH_CHARSET; - return wxWriteResource(section, entry, buf, file); -} + case wxFONTENCODING_CP1255: + return HEBREW_CHARSET; -bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file) -{ - wxString buf; - buf.Printf(wxT("%ld"), value); + case wxFONTENCODING_CP1256: + return ARABIC_CHARSET; - return wxWriteResource(section, entry, buf, file); -} + case wxFONTENCODING_CP1257: + return BALTIC_CHARSET; -bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file) -{ - wxString buf; - buf.Printf(wxT("%d"), value); + case wxFONTENCODING_CP874: + return THAI_CHARSET; +#endif // !__WXMICROWIN__ - return wxWriteResource(section, entry, buf, file); -} + case wxFONTENCODING_CP437: + return OEM_CHARSET; -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; + default: + // no way to translate this encoding into a Windows charset + return -1; } - 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; -} +// 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 -bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file) -{ - 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; -} +#include "wx/fontmap.h" -bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file) +extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding) { - wxChar *s = NULL; - bool succ = wxGetResource(section, entry, (wxChar **)&s, file); - if (succ) + // translate encoding into the Windows CHARSET + long charset = wxEncodingToCharset(encoding); + if ( charset == -1 ) + return -1; + + // translate CHARSET to code page + CHARSETINFO csetInfo; + if ( !::TranslateCharsetInfo((DWORD *)(DWORD)charset, + &csetInfo, + TCI_SRCCHARSET) ) { - *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; + wxLogLastError(_T("TranslateCharsetInfo(TCI_SRCCHARSET)")); -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(); - gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor); + return -1; } - //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 ) - { - ::SetCursor(gs_wxBusyCursorOld); - - gs_wxBusyCursorOld = 0; - } -} - -// TRUE if we're between the above two calls -bool wxIsBusy() -{ - return (gs_wxBusyCursorCount > 0); -} - -// Check whether this window wants to process messages, e.g. Stop button -// in long calculations. -bool wxCheckForInterrupt(wxWindow *wnd) -{ - wxCHECK( wnd, FALSE ); - - MSG msg; - while ( ::PeekMessage(&msg, GetHwndOf(wnd), 0, 0, PM_REMOVE) ) - { - ::TranslateMessage(&msg); - ::DispatchMessage(&msg); - } - - return TRUE; + return csetInfo.ciACP; } -// MSW only: get user-defined resource from the .res file. -// Returns NULL or newly-allocated memory, so use delete[] to clean up. - -wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType) +extern long wxCharsetToCodepage(const wxChar *name) { - 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 + // first get the font encoding for this charset + if ( !name ) + return -1; - // No need?? - // GlobalFree(hData); + wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(name, false); + if ( enc == wxFONTENCODING_SYSTEM ) + return -1; - return s; + // the use the helper function + return wxEncodingToCodepage(enc); } -// ---------------------------------------------------------------------------- -// get display info -// ---------------------------------------------------------------------------- - -void wxGetMousePosition( int* x, int* y ) -{ - POINT pt; - GetCursorPos( & pt ); - if ( x ) *x = pt.x; - if ( y ) *y = pt.y; -}; - -// Return TRUE if we have a colour display -bool wxColourDisplay() -{ - ScreenHDC dc; - int noCols = GetDeviceCaps(dc, NUMCOLORS); - - return (noCols == -1) || (noCols > 2); -} +#else // !wxUSE_FONTMAP -// Returns depth of screen -int wxDisplayDepth() -{ - ScreenHDC dc; - return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL); -} +#include "wx/msw/registry.h" -// Get size of display -void wxDisplaySize(int *width, int *height) +// this should work if Internet Exploiter is installed +extern long wxCharsetToCodepage(const wxChar *name) { - ScreenHDC dc; + if (!name) + return GetACP(); - if ( width ) *width = GetDeviceCaps(dc, HORZRES); - if ( height ) *height = GetDeviceCaps(dc, VERTRES); -} + long CP = -1; -// --------------------------------------------------------------------------- -// window information functions -// --------------------------------------------------------------------------- - -wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd) -{ - wxString str; - int len = GetWindowTextLength((HWND)hWnd) + 1; - GetWindowText((HWND)hWnd, str.GetWriteBuf(len), len); - str.UngetWriteBuf(); + wxString path(wxT("MIME\\Database\\Charset\\")); + wxString cn(name); - return str; -} + // follow the alias loop + for ( ;; ) + { + wxRegKey key(wxRegKey::HKCR, path + cn); -wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd) -{ - wxString str; + if (!key.Exists()) + break; - int len = 256; // some starting value + // 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; - for ( ;; ) - { - // as we've #undefined GetClassName we must now manually choose the - // right function to call - int count = - - #ifndef __WIN32__ - GetClassName - #else // Win32 - #ifdef UNICODE - GetClassNameW - #else // !Unicode - #ifdef __TWIN32__ - GetClassName - #else // !Twin32 - GetClassNameA - #endif // Twin32/!Twin32 - #endif // Unicode/ANSI - #endif // Win16/32 - ((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 - { + // no encoding, see if it's an alias + if (!key.HasValue(wxT("AliasForCharset")) || + !key.QueryValue(wxT("AliasForCharset"), cn)) break; - } } - return str; + return CP; } -WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd) +#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 succesfully + registers the class, pclassname will be set to classname. + */ +extern "C" WXDLLIMPEXP_BASE HWND +wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc) { -#ifndef __WIN32__ - return GetWindowWord((HWND)hWnd, GWW_ID); -#else // Win32 - return GetWindowLong((HWND)hWnd, GWL_ID); -#endif // Win16/32 -} + wxCHECK_MSG( classname && pclassname && wndproc, NULL, + _T("NULL parameter in wxCreateHiddenWindow") ); -#endif // wxUSE_GUI + // register the class fi we need to first + if ( *pclassname == NULL ) + { + WNDCLASS wndclass; + wxZeroMemory(wndclass); -#if 0 -//------------------------------------------------------------------------ -// wild character routines -//------------------------------------------------------------------------ - -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; - } - } - return FALSE; -}; + wndclass.lpfnWndProc = wndproc; + wndclass.hInstance = wxGetInstance(); + wndclass.lpszClassName = classname; + if ( !::RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass() in wxCreateHiddenWindow")); -bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special ) -{ - 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; + return NULL; } - } - 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')); -}; - -#endif // 0 -#if 0 + *pclassname = classname; + } -// maximum mumber of lines the output console should have -static const WORD MAX_CONSOLE_LINES = 500; + // 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")); + } -BOOL WINAPI MyConsoleHandler( DWORD dwCtrlType ) { // control signal type - FreeConsole(); - return TRUE; + return hwnd; } -void wxRedirectIOToConsole() -{ - int hConHandle; - long lStdHandle; - CONSOLE_SCREEN_BUFFER_INFO coninfo; - FILE *fp; - - // allocate a console for this app - AllocConsole(); - - // set the screen buffer to be big enough to let us scroll text - GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), - &coninfo); - coninfo.dwSize.Y = MAX_CONSOLE_LINES; - SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), - coninfo.dwSize); - - // redirect unbuffered STDOUT to the console - lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE); - hConHandle = _open_osfhandle(lStdHandle, _O_TEXT); - if(hConHandle <= 0) return; - fp = _fdopen( hConHandle, "w" ); - *stdout = *fp; - setvbuf( stdout, NULL, _IONBF, 0 ); - - // redirect unbuffered STDIN to the console - lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE); - hConHandle = _open_osfhandle(lStdHandle, _O_TEXT); - if(hConHandle <= 0) return; - fp = _fdopen( hConHandle, "r" ); - *stdin = *fp; - setvbuf( stdin, NULL, _IONBF, 0 ); - - // redirect unbuffered STDERR to the console - lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE); - hConHandle = _open_osfhandle(lStdHandle, _O_TEXT); - if(hConHandle <= 0) return; - fp = _fdopen( hConHandle, "w" ); - *stderr = *fp; - setvbuf( stderr, NULL, _IONBF, 0 ); - - // make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog - // point to console as well - ios::sync_with_stdio(); - - SetConsoleCtrlHandler(MyConsoleHandler, TRUE); -} -#else -// Not supported -void wxRedirectIOToConsole() -{ -} -#endif - -