X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3e3be693d0e18531299c8f45d27d79f23f948eba..fe4fcb5f4f4fc7ee4c116673c213f53b2bc798fc:/src/msw/utils.cpp?ds=inline diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp index ce67545bdb..736a8c90af 100644 --- a/src/msw/utils.cpp +++ b/src/msw/utils.cpp @@ -32,10 +32,15 @@ #endif //WX_PRECOMP #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 -#ifdef __GNUWIN32_OLD__ +#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 @@ -43,7 +48,7 @@ #include "wx/timer.h" -#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) +#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) #include #ifndef __MWERKS__ @@ -73,7 +78,7 @@ #include #endif // USE_NET_API -#if defined(__WIN32__) && !defined(__WXMICROWIN__) +#if defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) #ifndef __UNIX__ #include #endif @@ -89,14 +94,6 @@ #endif #endif -// ---------------------------------------------------------------------------- -// module globals -// ---------------------------------------------------------------------------- - -#if wxUSE_ON_FATAL_EXCEPTION - static bool gs_handleExceptions = FALSE; -#endif - // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- @@ -105,12 +102,6 @@ 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 - // ============================================================================ // implementation // ============================================================================ @@ -122,16 +113,18 @@ static const wxChar eUSERID[] = wxT("UserId"); // Get hostname only (without domain name) bool wxGetHostName(wxChar *buf, int maxSize) { -#if defined(__WIN32__) && !defined(__WXMICROWIN__) +#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"); @@ -141,60 +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(__WXMICROWIN__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__)) +#if !defined( __WXMICROWIN__) && wxUSE_DYNAMIC_LOADER // TODO should use GetComputerNameEx() when available - // the idea is that if someone had set wxUSE_SOCKETS to 0 the code - // shouldn't use winsock.dll (a.k.a. ws2_32.dll) at all so only use this - // code if we link with it anyhow -#if wxUSE_SOCKETS + // 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; - WSADATA wsa; - if ( WSAStartup(MAKEWORD(1, 1), &wsa) == 0 ) + 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, AF_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 = wxString::FromAscii(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.empty() ) - { - wxStrncpy(buf, host, maxSize); - return TRUE; + if ( !host.empty() ) + { + wxStrncpy(buf, host, maxSize); + + return true; + } } } - -#endif // wxUSE_SOCKETS - -#endif // Win32 +#endif // !__WXMICROWIN__ return wxGetHostName(buf, maxSize); } @@ -202,7 +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(__WXMICROWIN__) +#if defined(__WXWINCE__) + return false; +#elif defined(__WIN32__) && !defined(__WXMICROWIN__) DWORD nSize = maxSize; if ( ::GetUserName(buf, &nSize) == 0 ) { @@ -211,12 +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"); @@ -225,7 +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 @@ -233,17 +258,19 @@ 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) { -#ifdef USE_NET_API +#if defined(__WXWINCE__) + return false; +#elif defined(USE_NET_API) CHAR szUserName[256]; if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) ) - return FALSE; + return false; // TODO how to get the domain name? CHAR *szDomain = ""; @@ -300,16 +327,16 @@ bool wxGetUserName(wxChar *buf, int maxSize) 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.")); - 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; + // Use wxWidgets configuration data + bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxEmptyString, buf, maxSize - 1) != 0; if ( !ok ) { ok = wxGetUserId(buf, maxSize); @@ -321,14 +348,15 @@ error: } #endif // Win32/16 - return TRUE; + return true; } const wxChar* wxGetHomeDir(wxString *pstr) { - wxString& strDir = *pstr; + wxString& strDir = *pstr; - #if defined(__UNIX__) + // first branch is for Cygwin +#if defined(__UNIX__) const wxChar *szHome = wxGetenv("HOME"); if ( szHome == NULL ) { // we're homeless... @@ -343,32 +371,33 @@ 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__) + // Nothing +#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 @@ -378,45 +407,34 @@ 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)) @@ -436,29 +454,16 @@ bool wxDirExists(const wxString& 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 +#endif // Win32/__WXMICROWIN__ } bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) { +#ifdef __WXWINCE__ + return false; +#else if ( path.empty() ) - return FALSE; + return false; // old w32api don't have ULARGE_INTEGER #if defined(__WIN32__) && \ @@ -493,7 +498,7 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) { wxLogLastError(_T("GetDiskFreeSpaceEx")); - return FALSE; + return false; } // ULARGE_INTEGER is a union of a 64 bit value and a struct containing @@ -536,7 +541,7 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) { wxLogLastError(_T("GetDiskFreeSpace")); - return FALSE; + return false; } wxLongLong lBytesPerCluster = lSectorsPerCluster; @@ -555,7 +560,9 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) } } - return TRUE; + return true; +#endif + // __WXWINCE__ } // ---------------------------------------------------------------------------- @@ -564,51 +571,42 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) bool wxGetEnv(const wxString& var, wxString *value) { -#ifdef __WIN16__ - const wxChar* ret = wxGetenv(var); - if ( !ret ) - return FALSE; - - if ( value ) - { - *value = ret; - } - - return TRUE; +#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; + return false; } if ( value ) { - (void)::GetEnvironmentVariable(var, value->GetWriteBuf(dwRet), dwRet); - value->UngetWriteBuf(); + (void)::GetEnvironmentVariable(var, wxStringBuffer(*value, dwRet), + dwRet); } - return TRUE; -#endif // Win16/32 + 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__) +#if defined(__WIN32__) && !defined(__WXWINCE__) if ( !::SetEnvironmentVariable(var, value) ) { wxLogLastError(_T("SetEnvironmentVariable")); - return FALSE; + return false; } - return TRUE; + return true; #else // no way to set env vars - return FALSE; + return false; #endif } @@ -676,7 +674,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) return -1; } - bool ok = TRUE; + bool ok = true; switch ( sig ) { case wxSIGKILL: @@ -692,7 +690,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) *krc = wxKILL_ERROR; } - ok = FALSE; + ok = false; } break; @@ -729,7 +727,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) { wxLogLastError(_T("EnumWindows")); - ok = FALSE; + ok = false; } } else // no windows for this PID @@ -739,7 +737,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) *krc = wxKILL_ERROR; } - ok = FALSE; + ok = false; } } } @@ -810,11 +808,15 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) // 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 = (wxChar*) wxT("\\COMMAND.COM"); - wxString cmd; if ( !command ) { // just the shell @@ -825,6 +827,7 @@ 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; } @@ -832,8 +835,10 @@ bool wxShell(const wxString& command) // Shutdown or reboot the PC bool wxShutdown(wxShutdownFlags wFlags) { -#ifdef __WIN32__ - bool bOK = TRUE; +#ifdef __WXWINCE__ + return false; +#elif defined(__WIN32__) + bool bOK = true; if ( wxGetOsVersion(NULL, NULL) == wxWINDOWS_NT ) // if is NT or 2K { @@ -877,15 +882,13 @@ bool wxShutdown(wxShutdownFlags wFlags) default: wxFAIL_MSG( _T("unknown wxShutdown() flag") ); - return FALSE; + return false; } - bOK = ::ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE | EWX_REBOOT, 0) != 0; + bOK = ::ExitWindowsEx(flags, 0) != 0; } return bOK; -#else // Win16 - return FALSE; #endif // Win32/16 } @@ -908,11 +911,7 @@ long wxGetFreeMemory() unsigned long wxGetProcessId() { -#ifdef __WIN32__ return ::GetCurrentProcessId(); -#else - return 0; -#endif } // Emit a beeeeeep @@ -923,7 +922,6 @@ void wxBell() wxString wxGetOsDescription() { -#ifdef __WIN32__ wxString str; OSVERSIONINFO info; @@ -939,8 +937,39 @@ wxString wxGetOsDescription() 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(')'); @@ -948,10 +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; @@ -966,12 +1016,9 @@ wxString wxGetOsDescription() } return str; -#else // Win16 - return _("Windows 3.1"); -#endif // Win32/16 } -int wxAppTraits::GetOSVersion(int *verMaj, int *verMin) +wxToolkitInfo& wxAppTraits::GetToolkitInfo() { // cache the version info, it's not going to change // @@ -1006,30 +1053,40 @@ int wxAppTraits::GetOSVersion(int *verMaj, int *verMin) case VER_PLATFORM_WIN32_NT: s_ver = wxWINDOWS_NT; break; +#ifdef __WXWINCE__ + case VER_PLATFORM_WIN32_CE: + s_ver = wxWINDOWS_CE; + break; +#endif } } } - if ( verMaj ) - *verMaj = s_major; - if ( verMin ) - *verMin = s_minor; - - return s_ver; + static wxToolkitInfo info; + info.versionMajor = s_major; + info.versionMinor = s_minor; + info.os = s_ver; + info.name = _T("wxBase"); + return info; } // ---------------------------------------------------------------------------- // sleep functions // ---------------------------------------------------------------------------- -void wxUsleep(unsigned long milliseconds) +void wxMilliSleep(unsigned long milliseconds) { ::Sleep(milliseconds); } +void wxMicroSleep(unsigned long microseconds) +{ + wxMilliSleep(microseconds/1000); +} + void wxSleep(int nSecs) { - wxUsleep(1000*nSecs); + wxMilliSleep(1000*nSecs); } // ---------------------------------------------------------------------------- @@ -1134,7 +1191,7 @@ extern long wxCharsetToCodepage(const wxChar *name) if ( !name ) return -1; - wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(name, FALSE); + wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(name, false); if ( enc == wxFONTENCODING_SYSTEM ) return -1; @@ -1185,40 +1242,62 @@ extern long wxCharsetToCodepage(const wxChar *name) #endif // wxUSE_FONTMAP/!wxUSE_FONTMAP -// ---------------------------------------------------------------------------- -// wxApp::OnFatalException() support -// ---------------------------------------------------------------------------- - -bool wxHandleFatalExceptions(bool doit) +/* + 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) { -#if wxUSE_ON_FATAL_EXCEPTION - // assume this can only be called from the main thread - gs_handleExceptions = doit; + wxCHECK_MSG( classname && pclassname && wndproc, NULL, + _T("NULL parameter in wxCreateHiddenWindow") ); - return TRUE; -#else - wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to use this function")); + // register the class fi we need to first + if ( *pclassname == NULL ) + { + WNDCLASS wndclass; + wxZeroMemory(wndclass); - (void)doit; - return FALSE; -#endif -} + wndclass.lpfnWndProc = wndproc; + wndclass.hInstance = wxGetInstance(); + wndclass.lpszClassName = classname; -#if wxUSE_ON_FATAL_EXCEPTION + if ( !::RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass() in wxCreateHiddenWindow")); -extern unsigned long wxGlobalSEHandler() -{ - if ( gs_handleExceptions && wxTheApp ) - { - // give the user a chance to do something special about this - wxTheApp->OnFatalException(); + return NULL; + } - // this will execute our handler and terminate the process - return EXCEPTION_EXECUTE_HANDLER; + *pclassname = classname; } - return EXCEPTION_CONTINUE_SEARCH; -} + // 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")); + } -#endif // wxUSE_ON_FATAL_EXCEPTION + return hwnd; +}