X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f5e2134e5b3a59e4b63d6f27289b41e10ad1ca03..eed9e4791274d68ea1fb0c556bf3199ecf88a7d9:/src/msw/utils.cpp diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp index 24199aca27..3e3721f596 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" @@ -33,16 +29,26 @@ #include "wx/app.h" #include "wx/intl.h" #include "wx/log.h" -#if wxUSE_GUI - #include "wx/cursor.h" -#endif #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 + +#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 "wx/timer.h" -#if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) +#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) #include #ifndef __MWERKS__ @@ -50,7 +56,7 @@ #endif #endif //GNUWIN32 -#if defined(__CYGWIN__) && !defined(__TWIN32__) +#if defined(__CYGWIN__) #include #include #include // for cygwin_conv_to_full_win32_path() @@ -72,8 +78,10 @@ #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 @@ -86,31 +94,10 @@ #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 - +// 260 was taken from windef.h +#ifndef MAX_PATH + #define MAX_PATH 260 #endif - // __VISUALC__ -/// END for console support // ---------------------------------------------------------------------------- // constants @@ -126,8 +113,6 @@ static const wxChar eHOSTNAME[] = wxT("HostName"); static const wxChar eUSERID[] = wxT("UserId"); #endif // !Win32 -#ifndef __WXMICROWIN__ - // ============================================================================ // implementation // ============================================================================ @@ -139,7 +124,9 @@ static const wxChar eUSERID[] = wxT("UserId"); // Get hostname only (without domain name) bool wxGetHostName(wxChar *buf, int maxSize) { -#if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) +#if defined(__WXWINCE__) + return FALSE; +#elif defined(__WIN32__) && !defined(__WXMICROWIN__) DWORD nSize = maxSize; if ( !::GetComputerName(buf, &nSize) ) { @@ -165,51 +152,83 @@ bool wxGetHostName(wxChar *buf, int maxSize) // 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_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 - 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.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); } @@ -217,7 +236,9 @@ 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__) && !defined(__WXMICROWIN__) +#if defined(__WXWINCE__) + return FALSE; +#elif defined(__WIN32__) && !defined(__win32s__) && !defined(__WXMICROWIN__) DWORD nSize = maxSize; if ( ::GetUserName(buf, &nSize) == 0 ) { @@ -255,108 +276,98 @@ bool wxGetUserId(wxChar *buf, int maxSize) // 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 - { -#ifdef USE_NET_API - CHAR szUserName[256]; - if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) ) - return FALSE; +#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 = ""; + // 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; + // 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 + 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) ); + // Convert ANSI user name and domain to Unicode + MultiByteToWideChar( CP_ACP, 0, szUserName, strlen(szUserName)+1, + wszUserName, WXSIZEOF(wszUserName) ); + MultiByteToWideChar( CP_ACP, 0, szDomain, strlen(szDomain)+1, + wszDomain, WXSIZEOF(wszDomain) ); - // Get the computer name of a DC for the domain. - if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success ) - { - wxLogError(wxT("Can not find domain controller")); + // Get the computer name of a DC for the domain. + if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success ) + { + wxLogError(wxT("Can not find domain controller")); - goto error; - } + 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; + // 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.")); + case NERR_InvalidComputer: + wxLogError(wxT("Invalid domain controller name.")); - goto error; + 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 wxWindows configuration data + bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxEmptyString, buf, maxSize - 1) != 0; + if ( !ok ) + { + ok = wxGetUserId(buf, maxSize); + } - if ( !ok ) - { - wxStrncpy(buf, wxT("Unknown User"), maxSize); - } -#endif // Win32/16 + if ( !ok ) + { + wxStrncpy(buf, wxT("Unknown User"), maxSize); } +#endif // Win32/16 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... @@ -371,32 +382,33 @@ 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 @@ -406,45 +418,38 @@ 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); + 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 + { + wxString strPath; + ::GetModuleFileName(::GetModuleHandle(NULL), + wxStringBuffer(strPath, MAX_PATH), MAX_PATH); - #endif // UNIX/Win + // extract the dir name + wxSplitPath(strPath, &strDir, NULL, NULL); + } +#endif // UNIX/Win - return strDir.c_str(); + return strDir.c_str(); } wxChar *wxGetUserHome(const wxString& WXUNUSED(user)) @@ -485,6 +490,9 @@ bool wxDirExists(const wxString& dir) bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) { +#ifdef __WXWINCE__ + return FALSE; +#else if ( path.empty() ) return FALSE; @@ -584,6 +592,8 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) } return TRUE; +#endif + // __WXWINCE__ } // ---------------------------------------------------------------------------- @@ -592,16 +602,20 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree) bool wxGetEnv(const wxString& var, wxString *value) { -#ifdef __WIN16__ +#ifdef __WXWINCE__ + return FALSE; +#elif defined(__WIN16__) const wxChar* ret = wxGetenv(var); - if (ret) + if ( !ret ) + return FALSE; + + if ( value ) { *value = ret; - return TRUE; } - else - return FALSE; -#else + + return TRUE; +#else // Win32 // first get the size of the buffer DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0); if ( !dwRet ) @@ -612,19 +626,19 @@ bool wxGetEnv(const wxString& var, wxString *value) if ( value ) { - (void)::GetEnvironmentVariable(var, value->GetWriteBuf(dwRet), dwRet); - value->UngetWriteBuf(); + (void)::GetEnvironmentVariable(var, wxStringBuffer(*value, dwRet), + dwRet); } return TRUE; -#endif +#endif // Win16/32 } 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")); @@ -642,8 +656,6 @@ bool wxSetEnv(const wxString& var, const wxChar *value) // process management // ---------------------------------------------------------------------------- -#ifdef __WIN32__ - // structure used to pass parameters from wxKill() to wxEnumFindByPidProc() struct wxFindByPidParams { @@ -654,6 +666,8 @@ 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 @@ -677,11 +691,8 @@ BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam) return TRUE; } -#endif // __WIN32__ - int wxKill(long pid, wxSignal sig, wxKillError *krc) { -#ifdef __WIN32__ // get the process handle to operate on HANDLE hProcess = ::OpenProcess(SYNCHRONIZE | PROCESS_TERMINATE | @@ -818,25 +829,19 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) // 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; - } - } - else // not SIGNONE + // + // 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 ( ok && rc != STILL_ACTIVE ) + if ( krc ) { - // killed => success - return 0; + *krc = wxKILL_OK; } + + return 0; } -#else // Win16 - wxFAIL_MSG( _T("not implemented") ); -#endif // Win32/Win16 // error return -1; @@ -845,6 +850,9 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc) // Execute a program in an Interactive Shell bool wxShell(const wxString& command) { +#ifdef __WXWINCE__ + return FALSE; +#else wxChar *shell = wxGetenv(wxT("COMSPEC")); if ( !shell ) shell = (wxChar*) wxT("\\COMMAND.COM"); @@ -861,38 +869,41 @@ bool wxShell(const wxString& command) cmd.Printf(wxT("%s /c %s"), shell, command.c_str()); } - return wxExecute(cmd, TRUE /* sync */) != 0; + return wxExecute(cmd, wxEXEC_SYNC) == 0; +#endif } -// Shutdown or reboot the PC +// Shutdown or reboot the PC bool wxShutdown(wxShutdownFlags wFlags) { -#ifdef __WIN32__ +#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; + // Get a token for this process. + HANDLE hToken; bOK = ::OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken) != 0; if ( bOK ) { - TOKEN_PRIVILEGES tkp; + TOKEN_PRIVILEGES tkp; - // Get the LUID for the shutdown privilege. + // Get the LUID for the shutdown privilege. ::LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, - &tkp.Privileges[0].Luid); + &tkp.Privileges[0].Luid); - tkp.PrivilegeCount = 1; // one privilege to set - tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; + tkp.PrivilegeCount = 1; // one privilege to set + tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; - // Get the shutdown privilege for this process. + // Get the shutdown privilege for this process. ::AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, - (PTOKEN_PRIVILEGES)NULL, 0); + (PTOKEN_PRIVILEGES)NULL, 0); - // Cannot test the return value of AdjustTokenPrivileges. + // Cannot test the return value of AdjustTokenPrivileges. bOK = ::GetLastError() == ERROR_SUCCESS; } } @@ -915,7 +926,7 @@ bool wxShutdown(wxShutdownFlags wFlags) return FALSE; } - bOK = ::ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE | EWX_REBOOT, 0) != 0; + bOK = ::ExitWindowsEx(flags, 0) != 0; } return bOK; @@ -931,7 +942,7 @@ bool wxShutdown(wxShutdownFlags wFlags) // 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); @@ -941,6 +952,15 @@ long wxGetFreeMemory() #endif } +unsigned long wxGetProcessId() +{ +#ifdef __WIN32__ + return ::GetCurrentProcessId(); +#else + return 0; +#endif +} + // Emit a beeeeeep void wxBell() { @@ -997,137 +1017,62 @@ wxString wxGetOsDescription() #endif // Win32/16 } -int wxGetOsVersion(int *majorVsn, int *minorVsn) +wxToolkitInfo& wxAppTraits::GetToolkitInfo() { -#if defined(__WIN32__) && !defined(__SC__) - static int ver = -1, major = -1, minor = -1; + // 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 ( ver == -1 ) + if ( s_ver == -1 ) { OSVERSIONINFO info; wxZeroMemory(info); - ver = wxWINDOWS; + s_ver = wxWINDOWS; info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); if ( ::GetVersionEx(&info) ) { - major = info.dwMajorVersion; - minor = info.dwMinorVersion; + s_major = info.dwMajorVersion; + s_minor = info.dwMinorVersion; switch ( info.dwPlatformId ) { case VER_PLATFORM_WIN32s: - ver = wxWIN32S; + s_ver = wxWIN32S; break; case VER_PLATFORM_WIN32_WINDOWS: - ver = wxWIN95; + s_ver = wxWIN95; break; case VER_PLATFORM_WIN32_NT: - ver = wxWINDOWS_NT; + s_ver = wxWINDOWS_NT; break; +#ifdef __WXWINCE__ + case VER_PLATFORM_WIN32_CE: + s_ver = wxWINDOWS_CE; + break; +#endif } } } - 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 + 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 - -#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() - { - gs_inTimer = FALSE; - Stop(); - } -}; - -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 -} - -void wxSleep(int nSecs) -{ - 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(); -} - -#endif // wxUSE_TIMER - -#elif defined(__WIN32__) // wxUSE_GUI - void wxUsleep(unsigned long milliseconds) { ::Sleep(milliseconds); @@ -1138,497 +1083,91 @@ void wxSleep(int nSecs) wxUsleep(1000*nSecs); } -#endif // wxUSE_GUI/!wxUSE_GUI -#endif // __WXMICROWIN__ - -// ---------------------------------------------------------------------------- -// deprecated (in favour of wxLog) log functions -// ---------------------------------------------------------------------------- - -#if WXWIN_COMPATIBILITY_2_2 - -// Output a debug mess., in a system dependent fashion. -#ifndef __WXMICROWIN__ -void wxDebugMsg(const wxChar *fmt ...) -{ - va_list ap; - static wxChar buffer[512]; - - if (!wxTheApp->GetWantDebugOutput()) - return; - - va_start(ap, fmt); - - wvsprintf(buffer,fmt,ap); - OutputDebugString((LPCTSTR)buffer); - - va_end(ap); -} - -// 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(); -} - -// 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); -} -#endif // __WXMICROWIN__ - -#endif // WXWIN_COMPATIBILITY_2_2 - -#if wxUSE_GUI - // ---------------------------------------------------------------------------- -// functions to work with .INI files +// font encoding <-> Win32 codepage conversion 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) +extern WXDLLIMPEXP_BASE long wxEncodingToCharset(wxFontEncoding encoding) { - 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 + switch ( encoding ) { - 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; -} + // 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; -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; -} + case wxFONTENCODING_ISO8859_1: + case wxFONTENCODING_ISO8859_15: + case wxFONTENCODING_CP1252: + return ANSI_CHARSET; -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; -} +#if !defined(__WXMICROWIN__) + // The following four fonts are multi-byte charsets + case wxFONTENCODING_CP932: + return SHIFTJIS_CHARSET; -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 + case wxFONTENCODING_CP936: + return GB2312_CHARSET; -// --------------------------------------------------------------------------- -// helper functions for showing a "busy" cursor -// --------------------------------------------------------------------------- + case wxFONTENCODING_CP949: + return HANGUL_CHARSET; -static HCURSOR gs_wxBusyCursor = 0; // new, busy cursor -static HCURSOR gs_wxBusyCursorOld = 0; // old cursor -static int gs_wxBusyCursorCount = 0; + case wxFONTENCODING_CP950: + return CHINESEBIG5_CHARSET; -extern HCURSOR wxGetCurrentBusyCursor() -{ - return gs_wxBusyCursor; -} + // The rest are single byte encodings + case wxFONTENCODING_CP1250: + return EASTEUROPE_CHARSET; -// 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; -} + case wxFONTENCODING_CP1251: + return RUSSIAN_CHARSET; -// 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; -} + case wxFONTENCODING_CP1253: + return GREEK_CHARSET; -// MSW only: get user-defined resource from the .res file. -// Returns NULL or newly-allocated memory, so use delete[] to clean up. + case wxFONTENCODING_CP1254: + return TURKISH_CHARSET; -#ifndef __WXMICROWIN__ -wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType) -{ - 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 + case wxFONTENCODING_CP1255: + return HEBREW_CHARSET; - // No need?? - // GlobalFree(hData); + case wxFONTENCODING_CP1256: + return ARABIC_CHARSET; - return s; -} -#endif // __WXMICROWIN__ + case wxFONTENCODING_CP1257: + return BALTIC_CHARSET; -// ---------------------------------------------------------------------------- -// get display info -// ---------------------------------------------------------------------------- - -// See also the wxGetMousePosition in window.cpp -// Deprecated: use wxPoint wxGetMousePosition() instead -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() -{ -#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 ) - { - ScreenHDC dc; - int noCols = ::GetDeviceCaps(dc, NUMCOLORS); - - s_isColour = (noCols == -1) || (noCols > 2); - } - - return s_isColour != 0; -#endif -} - -// Returns depth of screen -int wxDisplayDepth() -{ - ScreenHDC dc; - return GetDeviceCaps(dc, PLANES) * GetDeviceCaps(dc, BITSPIXEL); -} - -// 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__ -} - -void wxDisplaySizeMM(int *width, int *height) -{ -#ifdef __WXMICROWIN__ - // MICROWIN_TODO - if ( width ) - *width = 0; - if ( height ) - *height = 0; -#else - ScreenHDC dc; - - if ( width ) - *width = ::GetDeviceCaps(dc, HORZSIZE); - if ( height ) - *height = ::GetDeviceCaps(dc, VERTSIZE); -#endif -} - -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 -} - -// --------------------------------------------------------------------------- -// window information functions -// --------------------------------------------------------------------------- - -wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd) -{ - wxString str; - - 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; - - // 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; -} - -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; -} - -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); -} - -#endif // wxUSE_GUI + case wxFONTENCODING_CP437: + return OEM_CHARSET; -#ifdef __WXMICROWIN__ -int wxGetOsVersion(int *majorVsn, int *minorVsn) -{ - // MICROWIN_TODO - if (majorVsn) *majorVsn = 0; - if (minorVsn) *minorVsn = 0; - return wxUNIX; + default: + // no way to translate this encoding into a Windows charset + return -1; + } } -#endif // __WXMICROWIN__ - -// ---------------------------------------------------------------------------- -// Win32 codepage conversion functions -// ---------------------------------------------------------------------------- - -#if defined(__WIN32__) && !defined(__WXMICROWIN__) -// wxGetNativeFontEncoding() doesn't exist neither in wxBase nor in wxUniv -#if wxUSE_GUI && !defined(__WXUNIVERSAL__) +// we have 2 versions of wxCharsetToCodepage(): the old one which directly +// looks up the vlaues in the registry and the new one which is more +// politically correct and has more chances to work on other Windows versions +// as well but the old version is still needed for !wxUSE_FONTMAP case +#if wxUSE_FONTMAP #include "wx/fontmap.h" -// 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 - -extern long wxEncodingToCodepage(wxFontEncoding encoding) +extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding) { // translate encoding into the Windows CHARSET - wxNativeEncodingInfo natveEncInfo; - if ( !wxGetNativeFontEncoding(encoding, &natveEncInfo) ) + long charset = wxEncodingToCharset(encoding); + if ( charset == -1 ) return -1; // translate CHARSET to code page CHARSETINFO csetInfo; - if ( !::TranslateCharsetInfo((DWORD *)(DWORD)natveEncInfo.charset, + if ( !::TranslateCharsetInfo((DWORD *)(DWORD)charset, &csetInfo, TCI_SRCCHARSET) ) { @@ -1640,8 +1179,6 @@ extern long wxEncodingToCodepage(wxFontEncoding encoding) return csetInfo.ciACP; } -#if wxUSE_FONTMAP - extern long wxCharsetToCodepage(const wxChar *name) { // first get the font encoding for this charset @@ -1656,12 +1193,7 @@ 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" @@ -1671,15 +1203,18 @@ extern long wxCharsetToCodepage(const wxChar *name) if (!name) return GetACP(); - long CP=-1; + long CP = -1; + 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. @@ -1687,17 +1222,76 @@ 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; + } 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 wxWindows 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) +{ + wxCHECK_MSG( classname && pclassname && wndproc, NULL, + _T("NULL parameter in wxCreateHiddenWindow") ); + + // register the class fi we need to first + if ( *pclassname == NULL ) + { + WNDCLASS wndclass; + wxZeroMemory(wndclass); -#endif // Win32 + 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; +}