fixing osx_cocoa

[wxWidgets.git] / src / msw / utils.cpp

diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp
index 4ba9ff2a28917149e8eeb0e7758b40a616edd212..f208feb48fa6c50811d15f11cb9782614d940414 100644 (file)
--- a/src/msw/utils.cpp
+++ b/src/msw/utils.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        msw/utils.cpp
+// Name:        src/msw/utils.cpp

 // Purpose:     Various utilities
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     Various utilities
 // Author:      Julian Smart
 // Modified by:


@@ -31,20 +31,32 @@
     #include "wx/log.h"
 #endif  //WX_PRECOMP
 
     #include "wx/log.h"
 #endif  //WX_PRECOMP
 

+#include "wx/msw/registry.h"

 #include "wx/apptrait.h"
 #include "wx/apptrait.h"

+#include "wx/dynlib.h"
+#include "wx/dynload.h"
+#include "wx/scopeguard.h"
+#include "wx/filename.h"
+
+#include "wx/confbase.h"        // for wxExpandEnvVars()

 
 #include "wx/msw/private.h"     // includes <windows.h>
 
 #include "wx/msw/private.h"     // includes <windows.h>

-#include "wx/msw/missing.h"     // CHARSET_HANGUL
+#include "wx/msw/missing.h"     // for CHARSET_HANGUL
+
+#if defined(__CYGWIN__)
+    //CYGWIN gives annoying warning about runtime stuff if we don't do this
+#   define USE_SYS_TYPES_FD_SET
+#   include <sys/types.h>
+#endif

 
 

-#if defined(__GNUWIN32_OLD__) || defined(__WXWINCE__)
+// Doesn't work with Cygwin at present
+#if wxUSE_SOCKETS && (defined(__GNUWIN32_OLD__) || defined(__WXWINCE__) || defined(__CYGWIN32__))

     // apparently we need to include winsock.h to get WSADATA and other stuff
     // used in wxGetFullHostName() with the old mingw32 versions
     #include <winsock.h>
 #endif
 
     // apparently we need to include winsock.h to get WSADATA and other stuff
     // used in wxGetFullHostName() with the old mingw32 versions
     #include <winsock.h>
 #endif
 

-#include "wx/timer.h"
-
-#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+#if !defined(__GNUWIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)

     #include <direct.h>
 
     #ifndef __MWERKS__
     #include <direct.h>
 
     #ifndef __MWERKS__


@@ -55,7 +67,9 @@
 #if defined(__CYGWIN__)
     #include <sys/unistd.h>
     #include <sys/stat.h>
 #if defined(__CYGWIN__)
     #include <sys/unistd.h>
     #include <sys/stat.h>

-    #include <sys/cygwin.h> // for cygwin_conv_to_full_win32_path()
+    #include <sys/cygwin.h> // for cygwin_conv_path()
+    // and cygwin_conv_to_full_win32_path()
+    #include <cygwin/version.h>

 #endif  //GNUWIN32
 
 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
 #endif  //GNUWIN32
 
 #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs


@@ -90,19 +104,23 @@
     #endif
 #endif
 
     #endif
 #endif
 

+// For wxKillAllChildren
+#include <tlhelp32.h>
+

 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 // In the WIN.INI file
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 // In the WIN.INI file

+#if (!defined(USE_NET_API) && !defined(__WXWINCE__)) || defined(__WXMICROWIN__)

 static const wxChar WX_SECTION[] = wxT("wxWindows");
 static const wxChar WX_SECTION[] = wxT("wxWindows");

+#endif
+
+#if (!defined(USE_NET_API) && !defined(__WXWINCE__))

 static const wxChar eUSERNAME[]  = wxT("UserName");
 static const wxChar eUSERNAME[]  = wxT("UserName");

+#endif

 
 

-// 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
+WXDLLIMPEXP_DATA_BASE(const wxChar *) wxUserResourceStr = wxT("TEXT");

 
 // ============================================================================
 // implementation
 
 // ============================================================================
 // implementation


@@ -116,89 +134,120 @@ static const wxChar eUSERID[]    = wxT("UserId");
 bool wxGetHostName(wxChar *buf, int maxSize)
 {
 #if defined(__WXWINCE__)
 bool wxGetHostName(wxChar *buf, int maxSize)
 {
 #if defined(__WXWINCE__)

-    return FALSE;
-#elif defined(__WIN32__) && !defined(__WXMICROWIN__)
+    // GetComputerName() is not supported but the name seems to be stored in
+    // this location in the registry, at least for PPC2003 and WM5
+    wxString hostName;
+    wxRegKey regKey(wxRegKey::HKLM, wxT("Ident"));
+    if ( !regKey.HasValue(wxT("Name")) ||
+            !regKey.QueryValue(wxT("Name"), hostName) )
+        return false;
+
+    wxStrlcpy(buf, hostName.wx_str(), maxSize);
+#else // !__WXWINCE__

     DWORD nSize = maxSize;
     if ( !::GetComputerName(buf, &nSize) )
     {
         wxLogLastError(wxT("GetComputerName"));
 
     DWORD nSize = maxSize;
     if ( !::GetComputerName(buf, &nSize) )
     {
         wxLogLastError(wxT("GetComputerName"));
 

-        return FALSE;
+        return false;

     }
     }

+#endif // __WXWINCE__/!__WXWINCE__

 
 

-    return TRUE;
-#else
-    wxChar *sysname;
-    const wxChar *default_host = wxT("noname");
-
-    if ((sysname = wxGetenv(wxT("SYSTEM_NAME"))) == NULL) {
-        GetProfileString(WX_SECTION, eHOSTNAME, default_host, buf, maxSize - 1);
-    } else
-        wxStrncpy(buf, sysname, maxSize - 1);
-    buf[maxSize] = wxT('\0');
-    return *buf ? TRUE : FALSE;
-#endif
+    return true;

 }
 
 // get full hostname (with domain name if possible)
 bool wxGetFullHostName(wxChar *buf, int maxSize)
 {
 }
 
 // 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_DYNLIB_CLASS && wxUSE_SOCKETS

     // TODO should use GetComputerNameEx() when available
 
     // 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(wxT("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(wxT(#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() )
+            {
+                wxStrlcpy(buf, host.c_str(), maxSize);
+
+                return true;
+            }

         }
     }
         }
     }

-
-#endif // wxUSE_SOCKETS
-
-#endif // Win32
+#endif // !__WXMICROWIN__

 
     return wxGetHostName(buf, maxSize);
 }
 
 // Get user ID e.g. jacs
 
     return wxGetHostName(buf, maxSize);
 }
 
 // Get user ID e.g. jacs

-bool wxGetUserId(wxChar *buf, int maxSize)
+bool wxGetUserId(wxChar *WXUNUSED_IN_WINCE(buf),
+                 int WXUNUSED_IN_WINCE(maxSize))

 {
 #if defined(__WXWINCE__)
 {
 #if defined(__WXWINCE__)

-    return FALSE;
-#elif defined(__WIN32__) && !defined(__win32s__) && !defined(__WXMICROWIN__)
+    // TODO-CE
+    return false;
+#else

     DWORD nSize = maxSize;
     if ( ::GetUserName(buf, &nSize) == 0 )
     {
     DWORD nSize = maxSize;
     if ( ::GetUserName(buf, &nSize) == 0 )
     {


@@ -207,41 +256,33 @@ bool wxGetUserId(wxChar *buf, int maxSize)
         if ( res == 0 )
         {
             // not found
         if ( res == 0 )
         {
             // not found

-            return FALSE;
+            return false;

         }
     }
 
         }
     }
 

-    return TRUE;
-#else   // Win16 or Win32s
-    wxChar *user;
-    const wxChar *default_id = wxT("anonymous");
-
-    // Can't assume we have NIS (PC-NFS) or some other ID daemon
-    // So we ...
-    if (  (user = wxGetenv(wxT("USER"))) == NULL &&
-            (user = wxGetenv(wxT("LOGNAME"))) == NULL )
-    {
-        // Use wxWindows configuration data (comming soon)
-        GetProfileString(WX_SECTION, eUSERID, default_id, buf, maxSize - 1);
-    }
-    else
-    {
-        wxStrncpy(buf, user, maxSize - 1);
-    }
-
-    return *buf ? TRUE : FALSE;
+    return true;

 #endif
 }
 
 // Get user name e.g. Julian Smart
 bool wxGetUserName(wxChar *buf, int maxSize)
 {
 #endif
 }
 
 // Get user name e.g. Julian Smart
 bool wxGetUserName(wxChar *buf, int maxSize)
 {

-#if defined(__WXWINCE__)
-    return FALSE;
+    wxCHECK_MSG( buf && ( maxSize > 0 ), false,
+                    wxT("empty buffer in wxGetUserName") );
+#if defined(__WXWINCE__) && wxUSE_REGKEY
+    wxLogNull noLog;
+    wxRegKey key(wxRegKey::HKCU, wxT("ControlPanel\\Owner"));
+    if(!key.Open(wxRegKey::Read))
+        return false;
+    wxString name;
+    if(!key.QueryValue(wxT("Owner"),name))
+        return false;
+    wxStrlcpy(buf, name.c_str(), maxSize);
+    return true;

 #elif defined(USE_NET_API)
     CHAR szUserName[256];
     if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) )
 #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 = "";
 
     // TODO how to get the domain name?
     CHAR *szDomain = "";


@@ -262,7 +303,7 @@ bool wxGetUserName(wxChar *buf, int maxSize)
     // Get the computer name of a DC for the domain.
     if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success )
     {
     // Get the computer name of a DC for the domain.
     if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success )
     {

-        wxLogError(wxT("Can not find domain controller"));
+        wxLogError(wxT("Cannot find domain controller"));

 
         goto error;
     }
 
         goto error;
     }


@@ -298,15 +339,15 @@ bool wxGetUserName(wxChar *buf, int maxSize)
     WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1,
             buf, maxSize, NULL, NULL );
 
     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."));
 
 
 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
 #else  // !USE_NET_API
     // Could use NIS, MS-Mail or other site specific programs

-    // Use wxWindows configuration data
+    // Use wxWidgets configuration data

     bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxEmptyString, buf, maxSize - 1) != 0;
     if ( !ok )
     {
     bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxEmptyString, buf, maxSize - 1) != 0;
     if ( !ok )
     {


@@ -315,19 +356,20 @@ error:
 
     if ( !ok )
     {
 
     if ( !ok )
     {

-        wxStrncpy(buf, wxT("Unknown User"), maxSize);
+        wxStrlcpy(buf, wxT("Unknown User"), maxSize);

     }
     }

-#endif // Win32/16

 
 

-    return TRUE;
+    return true;
+#endif // Win32/16

 }
 
 const wxChar* wxGetHomeDir(wxString *pstr)
 {
 }
 
 const wxChar* wxGetHomeDir(wxString *pstr)
 {

-  wxString& strDir = *pstr;
+    wxString& strDir = *pstr;

 
 

-#if defined(__UNIX__)
-    const wxChar *szHome = wxGetenv("HOME");
+    // first branch is for Cygwin
+#if defined(__UNIX__) && !defined(__WINE__)
+    const wxChar *szHome = wxGetenv(wxT("HOME"));

     if ( szHome == NULL ) {
       // we're homeless...
       wxLogWarning(_("can't find user's HOME, using current directory."));
     if ( szHome == NULL ) {
       // we're homeless...
       wxLogWarning(_("can't find user's HOME, using current directory."));


@@ -341,34 +383,37 @@ const wxChar* wxGetHomeDir(wxString *pstr)
       strDir << wxT('/');
 
     #ifdef __CYGWIN__
       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];
+        #if CYGWIN_VERSION_DLL_MAJOR >= 1007
+            cygwin_conv_path(CCP_POSIX_TO_WIN_W, strDir, windowsPath, MAX_PATH);
+        #else
+            cygwin_conv_to_full_win32_path(strDir, windowsPath);
+        #endif
+        strDir = windowsPath;

     #endif
 #elif defined(__WXWINCE__)
     #endif
 #elif defined(__WXWINCE__)

-      // Nothing
+    strDir = wxT("\\");

 #else
 #else

-    #ifdef  __WIN32__
-      strDir.clear();
+    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;
         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;
             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
             strDir << szHome;
 
             // the idea is that under NT these variables have default values


@@ -378,89 +423,56 @@ const wxChar* wxGetHomeDir(wxString *pstr)
             // to set HOMEPATH to something other than "\\", we suppose that he
             // knows what he is doing and use the supplied value.
             if ( wxStrcmp(szHome, wxT("\\")) == 0 )
             // 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;
             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),
-                        wxStringBuffer(strPath, MAX_PATH), MAX_PATH);
-
-    // 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
+    {
+        // extract the directory component of the program file name
+        wxFileName::SplitPath(wxGetFullModuleName(), &strDir, NULL, NULL);
+    }

 #endif  // UNIX/Win
 
 #endif  // UNIX/Win
 

-  return strDir.c_str();
+    return strDir.c_str();

 }
 
 }
 

-wxChar *wxGetUserHome(const wxString& WXUNUSED(user))
+wxString wxGetUserHome(const wxString& user)

 {
 {

-    // VZ: the old code here never worked for user != "" anyhow! Moreover, it
-    //     returned sometimes a malloc()'d pointer, sometimes a pointer to a
-    //     static buffer and sometimes I don't even know what.
-    static wxString s_home;
+    wxString home;

 
 

-    return (wxChar *)wxGetHomeDir(&s_home);
-}
+    if ( user.empty() || user == wxGetUserId() )
+        wxGetHomeDir(&home);

 
 

-bool wxDirExists(const wxString& dir)
-{
-#ifdef __WXMICROWIN__
-    return wxPathExist(dir);
-#elif defined(__WIN32__)
-    DWORD attribs = GetFileAttributes(dir);
-    return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY));
-#else // Win16
-    #ifdef __BORLANDC__
-        struct ffblk fileInfo;
-    #else
-        struct find_t fileInfo;
-    #endif
-    // In Borland findfirst has a different argument
-    // ordering from _dos_findfirst. But _dos_findfirst
-    // _should_ be ok in both MS and Borland... why not?
-    #ifdef __BORLANDC__
-        return (findfirst(dir, &fileInfo, _A_SUBDIR) == 0 &&
-               (fileInfo.ff_attrib & _A_SUBDIR) != 0);
-    #else
-        return (_dos_findfirst(dir, _A_SUBDIR, &fileInfo) == 0) &&
-               ((fileInfo.attrib & _A_SUBDIR) != 0);
-    #endif
-#endif // Win32/16
+    return home;

 }
 
 }
 

-bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
+bool wxGetDiskSpace(const wxString& WXUNUSED_IN_WINCE(path),
+                    wxDiskspaceSize_t *WXUNUSED_IN_WINCE(pTotal),
+                    wxDiskspaceSize_t *WXUNUSED_IN_WINCE(pFree))

 {
 #ifdef __WXWINCE__
 {
 #ifdef __WXWINCE__

-    return FALSE;
+    // TODO-CE
+    return false;

 #else
     if ( path.empty() )
 #else
     if ( path.empty() )

-        return FALSE;
+        return false;

 
 // old w32api don't have ULARGE_INTEGER
 #if defined(__WIN32__) && \
 
 // old w32api don't have ULARGE_INTEGER
 #if defined(__WIN32__) && \


@@ -475,7 +487,7 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
     GetDiskFreeSpaceEx_t
         pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress
                               (
     GetDiskFreeSpaceEx_t
         pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress
                               (

-                                ::GetModuleHandle(_T("kernel32.dll")),
+                                ::GetModuleHandle(wxT("kernel32.dll")),

 #if wxUSE_UNICODE
                                 "GetDiskFreeSpaceExW"
 #else
 #if wxUSE_UNICODE
                                 "GetDiskFreeSpaceExW"
 #else


@@ -488,14 +500,14 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
         ULARGE_INTEGER bytesFree, bytesTotal;
 
         // may pass the path as is, GetDiskFreeSpaceEx() is smart enough
         ULARGE_INTEGER bytesFree, bytesTotal;
 
         // may pass the path as is, GetDiskFreeSpaceEx() is smart enough

-        if ( !pGetDiskFreeSpaceEx(path,
+        if ( !pGetDiskFreeSpaceEx(path.t_str(),

                                   &bytesFree,
                                   &bytesTotal,
                                   NULL) )
         {
                                   &bytesFree,
                                   &bytesTotal,
                                   NULL) )
         {

-            wxLogLastError(_T("GetDiskFreeSpaceEx"));
+            wxLogLastError(wxT("GetDiskFreeSpaceEx"));

 
 

-            return FALSE;
+            return false;

         }
 
         // ULARGE_INTEGER is a union of a 64 bit value and a struct containing
         }
 
         // ULARGE_INTEGER is a union of a 64 bit value and a struct containing


@@ -508,12 +520,20 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 #endif
         if ( pTotal )
         {
 #endif
         if ( pTotal )
         {

-            *pTotal = wxLongLong(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart);
+#if wxUSE_LONGLONG
+            *pTotal = wxDiskspaceSize_t(UL(bytesTotal).HighPart, UL(bytesTotal).LowPart);
+#else
+            *pTotal = wxDiskspaceSize_t(UL(bytesTotal).LowPart);
+#endif

         }
 
         if ( pFree )
         {
         }
 
         if ( pFree )
         {

+#if wxUSE_LONGLONG

             *pFree = wxLongLong(UL(bytesFree).HighPart, UL(bytesFree).LowPart);
             *pFree = wxLongLong(UL(bytesFree).HighPart, UL(bytesFree).LowPart);

+#else
+            *pFree = wxDiskspaceSize_t(UL(bytesFree).LowPart);
+#endif

         }
     }
     else
         }
     }
     else


@@ -530,18 +550,18 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 
         // FIXME: this is wrong, we should extract the root drive from path
         //        instead, but this is the job for wxFileName...
 
         // FIXME: this is wrong, we should extract the root drive from path
         //        instead, but this is the job for wxFileName...

-        if ( !::GetDiskFreeSpace(path,
+        if ( !::GetDiskFreeSpace(path.t_str(),

                                  &lSectorsPerCluster,
                                  &lBytesPerSector,
                                  &lNumberOfFreeClusters,
                                  &lTotalNumberOfClusters) )
         {
                                  &lSectorsPerCluster,
                                  &lBytesPerSector,
                                  &lNumberOfFreeClusters,
                                  &lTotalNumberOfClusters) )
         {

-            wxLogLastError(_T("GetDiskFreeSpace"));
+            wxLogLastError(wxT("GetDiskFreeSpace"));

 
 

-            return FALSE;
+            return false;

         }
 
         }
 

-        wxLongLong lBytesPerCluster = lSectorsPerCluster;
+        wxDiskspaceSize_t lBytesPerCluster = (wxDiskspaceSize_t) lSectorsPerCluster;

         lBytesPerCluster *= lBytesPerSector;
 
         if ( pTotal )
         lBytesPerCluster *= lBytesPerSector;
 
         if ( pTotal )


@@ -557,7 +577,7 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
         }
     }
 
         }
     }
 

-    return TRUE;
+    return true;

 #endif
     // __WXWINCE__
 }
 #endif
     // __WXWINCE__
 }


@@ -566,56 +586,79 @@ bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 // env vars
 // ----------------------------------------------------------------------------
 
 // env vars
 // ----------------------------------------------------------------------------
 

-bool wxGetEnv(const wxString& var, wxString *value)
+bool wxGetEnv(const wxString& WXUNUSED_IN_WINCE(var),
+              wxString *WXUNUSED_IN_WINCE(value))

 {
 #ifdef __WXWINCE__
 {
 #ifdef __WXWINCE__

-    return FALSE;
-#elif defined(__WIN16__)
-    const wxChar* ret = wxGetenv(var);
-    if ( !ret )
-        return FALSE;
-
-    if ( value )
-    {
-        *value = ret;
-    }
-
-    return TRUE;
+    // no environment variables under CE
+    return false;

 #else // Win32
     // first get the size of the buffer
 #else // Win32
     // first get the size of the buffer

-    DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0);
+    DWORD dwRet = ::GetEnvironmentVariable(var.t_str(), NULL, 0);

     if ( !dwRet )
     {
         // this means that there is no such variable
     if ( !dwRet )
     {
         // this means that there is no such variable

-        return FALSE;
+        return false;

     }
 
     if ( value )
     {
     }
 
     if ( value )
     {

-        (void)::GetEnvironmentVariable(var, wxStringBuffer(*value, dwRet),
+        (void)::GetEnvironmentVariable(var.t_str(),
+                                       wxStringBuffer(*value, dwRet),

                                        dwRet);
     }
 
                                        dwRet);
     }
 

-    return TRUE;
-#endif // Win16/32
+    return true;
+#endif // WinCE/32

 }
 
 }
 

-bool wxSetEnv(const wxString& var, const wxChar *value)
+bool wxDoSetEnv(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) )
+#ifdef __WXWINCE__
+    // no environment variables under CE
+    wxUnusedVar(var);
+    wxUnusedVar(value);
+    return false;
+#else // !__WXWINCE__
+    // update the CRT environment if possible as people expect getenv() to also
+    // work and it is not affected by Win32 SetEnvironmentVariable() call (OTOH
+    // the CRT does use Win32 call to update the process environment block so
+    // there is no need to call it)
+    //
+    // TODO: add checks for the other compilers (and update wxSetEnv()
+    //       documentation in interface/wx/utils.h accordingly)
+#if defined(__VISUALC__) || defined(__MINGW32__)
+    // notice that Microsoft _putenv() has different semantics from POSIX
+    // function with almost the same name: in particular it makes a copy of the
+    // string instead of using it as part of environment so we can safely call
+    // it here without going through all the troubles with wxSetEnvModule as in
+    // src/unix/utilsunx.cpp
+    wxString envstr = var;
+    envstr += '=';
+    if ( value )
+        envstr += value;
+    _tputenv(envstr.t_str());
+#else // other compiler
+    if ( !::SetEnvironmentVariable(var.t_str(), value) )

     {
     {

-        wxLogLastError(_T("SetEnvironmentVariable"));
+        wxLogLastError(wxT("SetEnvironmentVariable"));

 
 

-        return FALSE;
+        return false;

     }
     }

+#endif // compiler

 
 

-    return TRUE;
-#else // no way to set env vars
-    return FALSE;
-#endif
+    return true;
+#endif // __WXWINCE__/!__WXWINCE__
+}
+
+bool wxSetEnv(const wxString& variable, const wxString& value)
+{
+    return wxDoSetEnv(variable, value.t_str());
+}
+
+bool wxUnsetEnv(const wxString& variable)
+{
+    return wxDoSetEnv(variable, NULL);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -633,7 +676,7 @@ struct wxFindByPidParams
     // the PID we're looking from
     DWORD pid;
 
     // the PID we're looking from
     DWORD pid;
 

-    DECLARE_NO_COPY_CLASS(wxFindByPidParams)
+    wxDECLARE_NO_COPY_CLASS(wxFindByPidParams);

 };
 
 // wxKill helper: EnumWindows() callback which is used to find the first (top
 };
 
 // wxKill helper: EnumWindows() callback which is used to find the first (top


@@ -657,32 +700,43 @@ BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam)
     return TRUE;
 }
 
     return TRUE;
 }
 

-int wxKill(long pid, wxSignal sig, wxKillError *krc)
+int wxKillAllChildren(long pid, wxSignal sig, wxKillError *krc);
+
+int wxKill(long pid, wxSignal sig, wxKillError *krc, int flags)

 {
 {

+    if (flags & wxKILL_CHILDREN)
+        wxKillAllChildren(pid, sig, krc);
+

     // get the process handle to operate on
     // get the process handle to operate on

-    HANDLE hProcess = ::OpenProcess(SYNCHRONIZE |
-                                    PROCESS_TERMINATE |
-                                    PROCESS_QUERY_INFORMATION,
-                                    FALSE, // not inheritable
-                                    (DWORD)pid);
+    DWORD dwAccess = PROCESS_QUERY_INFORMATION | SYNCHRONIZE;
+    if ( sig == wxSIGKILL )
+        dwAccess |= PROCESS_TERMINATE;
+
+    HANDLE hProcess = ::OpenProcess(dwAccess, FALSE, (DWORD)pid);

     if ( hProcess == NULL )
     {
         if ( krc )
         {
     if ( hProcess == NULL )
     {
         if ( krc )
         {

-            if ( ::GetLastError() == ERROR_ACCESS_DENIED )
-            {
-                *krc = wxKILL_ACCESS_DENIED;
-            }
-            else
-            {
-                *krc = wxKILL_NO_PROCESS;
-            }
+            // recognize wxKILL_ACCESS_DENIED as special because this doesn't
+            // mean that the process doesn't exist and this is important for
+            // wxProcess::Exists()
+            *krc = ::GetLastError() == ERROR_ACCESS_DENIED
+                        ? wxKILL_ACCESS_DENIED
+                        : wxKILL_NO_PROCESS;

         }
 
         return -1;
     }
 
         }
 
         return -1;
     }
 

-    bool ok = TRUE;
+    wxON_BLOCK_EXIT1(::CloseHandle, hProcess);
+
+    // Default timeout for waiting for the process termination after killing
+    // it. It should be long enough to allow the process to terminate even on a
+    // busy system but short enough to avoid blocking the main thread for too
+    // long.
+    DWORD waitTimeout = 500; // ms
+
+    bool ok = true;

     switch ( sig )
     {
         case wxSIGKILL:
     switch ( sig )
     {
         case wxSIGKILL:


@@ -698,12 +752,18 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc)
                     *krc = wxKILL_ERROR;
                 }
 
                     *krc = wxKILL_ERROR;
                 }
 

-                ok = FALSE;
+                ok = false;

             }
             break;
 
         case wxSIGNONE:
             }
             break;
 
         case wxSIGNONE:

-            // do nothing, we just want to test for process existence
+            // Opening the process handle may succeed for a process even if it
+            // doesn't run any more (typically because open handles to it still
+            // exist elsewhere, possibly in this process itself if we're
+            // killing a child process) so we still need check if it hasn't
+            // terminated yet but, unlike when killing it, we don't need to
+            // wait for any time at all.
+            waitTimeout = 0;

             break;
 
         default:
             break;
 
         default:


@@ -713,7 +773,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc)
                 params.pid = (DWORD)pid;
 
                 // EnumWindows() has nice semantics: it returns 0 if it found
                 params.pid = (DWORD)pid;
 
                 // EnumWindows() has nice semantics: it returns 0 if it found

-                // something or if an error occured and non zero if it
+                // something or if an error occurred and non zero if it

                 // enumerated all the window
                 if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)&params) )
                 {
                 // enumerated all the window
                 if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)&params) )
                 {


@@ -722,108 +782,185 @@ int wxKill(long pid, wxSignal sig, wxKillError *krc)
                     {
                         // tell the app to close
                         //
                     {
                         // tell the app to close
                         //

-                        // NB: this is the harshest way, the app won't have
+                        // NB: this is the harshest way, the app won't have an

                         //     opportunity to save any files, for example, but
                         //     this is probably what we want here. If not we
                         //     can also use SendMesageTimeout(WM_CLOSE)
                         if ( !::PostMessage(params.hwnd, WM_QUIT, 0, 0) )
                         {
                         //     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)"));
+                            wxLogLastError(wxT("PostMessage(WM_QUIT)"));

                         }
                     }
                     else // it was an error then
                     {
                         }
                     }
                     else // it was an error then
                     {

-                        wxLogLastError(_T("EnumWindows"));
+                        wxLogLastError(wxT("EnumWindows"));

 
 

-                        ok = FALSE;
+                        ok = false;

                     }
                 }
                 else // no windows for this PID
                 {
                     if ( krc )
                     }
                 }
                 else // no windows for this PID
                 {
                     if ( krc )

-                    {

                         *krc = wxKILL_ERROR;
                         *krc = wxKILL_ERROR;

-                    }

 
 

-                    ok = FALSE;
+                    ok = false;

                 }
             }
     }
 
     // the return code
                 }
             }
     }
 
     // the return code

-    DWORD rc;
-

     if ( ok )
     {
         // as we wait for a short time, we can use just WaitForSingleObject()
         // and not MsgWaitForMultipleObjects()
     if ( ok )
     {
         // as we wait for a short time, we can use just WaitForSingleObject()
         // and not MsgWaitForMultipleObjects()

-        switch ( ::WaitForSingleObject(hProcess, 500 /* msec */) )
+        switch ( ::WaitForSingleObject(hProcess, waitTimeout) )

         {
             case WAIT_OBJECT_0:
         {
             case WAIT_OBJECT_0:

-                // process terminated
-                if ( !::GetExitCodeProcess(hProcess, &rc) )
+                // Process terminated: normally this indicates that we
+                // successfully killed it but when testing for the process
+                // existence, this means failure.
+                if ( sig == wxSIGNONE )

                 {
                 {

-                    wxLogLastError(_T("GetExitCodeProcess"));
+                    if ( krc )
+                        *krc = wxKILL_NO_PROCESS;
+
+                    ok = false;

                 }
                 break;
 
             default:
                 }
                 break;
 
             default:

-                wxFAIL_MSG( _T("unexpected WaitForSingleObject() return") );
+                wxFAIL_MSG( wxT("unexpected WaitForSingleObject() return") );

                 // fall through
 
             case WAIT_FAILED:
                 // fall through
 
             case WAIT_FAILED:

-                wxLogLastError(_T("WaitForSingleObject"));
+                wxLogLastError(wxT("WaitForSingleObject"));

                 // fall through
 
             case WAIT_TIMEOUT:
                 // fall through
 
             case WAIT_TIMEOUT:

-                if ( krc )
+                // Process didn't terminate: normally this is a failure but not
+                // when we're just testing for its existence.
+                if ( sig != wxSIGNONE )

                 {
                 {

-                    *krc = wxKILL_ERROR;
-                }
+                    if ( krc )
+                        *krc = wxKILL_ERROR;

 
 

-                rc = STILL_ACTIVE;
+                    ok = false;
+                }

                 break;
         }
     }
                 break;
         }
     }

-    else // !ok
-    {
-        // just to suppress the warnings about uninitialized variable
-        rc = 0;
-    }

 
 

-    ::CloseHandle(hProcess);

 
     // the return code is the same as from Unix kill(): 0 if killed
     // successfully or -1 on error
 
     // 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;
-        }
+    if ( !ok )
+        return -1;
+
+    if ( krc )
+        *krc = wxKILL_OK;
+
+    return 0;
+}
+
+typedef HANDLE (WINAPI *CreateToolhelp32Snapshot_t)(DWORD,DWORD);
+typedef BOOL (WINAPI *Process32_t)(HANDLE,LPPROCESSENTRY32);
+
+CreateToolhelp32Snapshot_t lpfCreateToolhelp32Snapshot;
+Process32_t lpfProcess32First, lpfProcess32Next;
+
+static void InitToolHelp32()
+{
+    static bool s_initToolHelpDone = false;
+
+    if (s_initToolHelpDone)
+        return;
+
+    s_initToolHelpDone = true;
+
+    lpfCreateToolhelp32Snapshot = NULL;
+    lpfProcess32First = NULL;
+    lpfProcess32Next = NULL;
+
+#if wxUSE_DYNLIB_CLASS
+
+    wxDynamicLibrary dllKernel(wxT("kernel32.dll"), wxDL_VERBATIM);
+
+    // Get procedure addresses.
+    // We are linking to these functions of Kernel32
+    // explicitly, because otherwise a module using
+    // this code would fail to load under Windows NT,
+    // which does not have the Toolhelp32
+    // functions in the Kernel 32.
+    lpfCreateToolhelp32Snapshot =
+        (CreateToolhelp32Snapshot_t)dllKernel.RawGetSymbol(wxT("CreateToolhelp32Snapshot"));
+
+    lpfProcess32First =
+        (Process32_t)dllKernel.RawGetSymbol(wxT("Process32First"));
+
+    lpfProcess32Next =
+        (Process32_t)dllKernel.RawGetSymbol(wxT("Process32Next"));

 
 

+#endif // wxUSE_DYNLIB_CLASS
+}
+
+// By John Skiff
+int wxKillAllChildren(long pid, wxSignal sig, wxKillError *krc)
+{
+    InitToolHelp32();
+
+    if (krc)
+        *krc = wxKILL_OK;
+
+    // If not implemented for this platform (e.g. NT 4.0), silently ignore
+    if (!lpfCreateToolhelp32Snapshot || !lpfProcess32First || !lpfProcess32Next)

         return 0;
         return 0;

+
+    // Take a snapshot of all processes in the system.
+    HANDLE hProcessSnap = lpfCreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+    if (hProcessSnap == INVALID_HANDLE_VALUE) {
+        if (krc)
+            *krc = wxKILL_ERROR;
+        return -1;

     }
 
     }
 

-    // error
-    return -1;
+    //Fill in the size of the structure before using it.
+    PROCESSENTRY32 pe;
+    wxZeroMemory(pe);
+    pe.dwSize = sizeof(PROCESSENTRY32);
+
+    // Walk the snapshot of the processes, and for each process,
+    // kill it if its parent is pid.
+    if (!lpfProcess32First(hProcessSnap, &pe)) {
+        // Can't get first process.
+        if (krc)
+            *krc = wxKILL_ERROR;
+        CloseHandle (hProcessSnap);
+        return -1;
+    }
+
+    do {
+        if (pe.th32ParentProcessID == (DWORD) pid) {
+            if (wxKill(pe.th32ProcessID, sig, krc))
+                return -1;
+        }
+    } while (lpfProcess32Next (hProcessSnap, &pe));
+
+
+    return 0;

 }
 
 // Execute a program in an Interactive Shell
 bool wxShell(const wxString& command)
 {
 }
 
 // Execute a program in an Interactive Shell
 bool wxShell(const wxString& command)
 {

+    wxString cmd;
+

 #ifdef __WXWINCE__
 #ifdef __WXWINCE__

-    return FALSE;
+    cmd = command;

 #else
     wxChar *shell = wxGetenv(wxT("COMSPEC"));
     if ( !shell )
         shell = (wxChar*) wxT("\\COMMAND.COM");
 
 #else
     wxChar *shell = wxGetenv(wxT("COMSPEC"));
     if ( !shell )
         shell = (wxChar*) wxT("\\COMMAND.COM");
 

-    wxString cmd;

     if ( !command )
     {
         // just the shell
     if ( !command )
     {
         // just the shell


@@ -834,20 +971,21 @@ bool wxShell(const wxString& command)
         // pass the command to execute to the command processor
         cmd.Printf(wxT("%s /c %s"), shell, command.c_str());
     }
         // 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;
 
     return wxExecute(cmd, wxEXEC_SYNC) == 0;

-#endif

 }
 
 // Shutdown or reboot the PC
 }
 
 // Shutdown or reboot the PC

-bool wxShutdown(wxShutdownFlags wFlags)
+bool wxShutdown(int WXUNUSED_IN_WINCE(flags))

 {
 #ifdef __WXWINCE__
 {
 #ifdef __WXWINCE__

-    return FALSE;
+    // TODO-CE
+    return false;

 #elif defined(__WIN32__)
 #elif defined(__WIN32__)

-    bool bOK = TRUE;
+    bool bOK = true;

 
 

-    if ( wxGetOsVersion(NULL, NULL) == wxWINDOWS_NT ) // if is NT or 2K
+    if ( wxGetOsVersion(NULL, NULL) == wxOS_WINDOWS_NT ) // if is NT or 2K

     {
         // Get a token for this process.
         HANDLE hToken;
     {
         // Get a token for this process.
         HANDLE hToken;


@@ -859,46 +997,59 @@ bool wxShutdown(wxShutdownFlags wFlags)
             TOKEN_PRIVILEGES tkp;
 
             // Get the LUID for the shutdown privilege.
             TOKEN_PRIVILEGES tkp;
 
             // Get the LUID for the shutdown privilege.

-            ::LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,
-                                   &tkp.Privileges[0].Luid);
+            bOK = ::LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,
+                                         &tkp.Privileges[0].Luid) != 0;

 
 

-            tkp.PrivilegeCount = 1;  // one privilege to set
-            tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+            if ( bOK )
+            {
+                tkp.PrivilegeCount = 1;  // one privilege to set
+                tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+
+                // Get the shutdown privilege for this process.
+                ::AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,
+                                        (PTOKEN_PRIVILEGES)NULL, 0);

 
 

-            // 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;
+            }

 
 

-            // Cannot test the return value of AdjustTokenPrivileges.
-            bOK = ::GetLastError() == ERROR_SUCCESS;
+            ::CloseHandle(hToken);

         }
     }
 
     if ( bOK )
     {
         }
     }
 
     if ( bOK )
     {

-        UINT flags = EWX_SHUTDOWN | EWX_FORCE;
-        switch ( wFlags )
+        UINT wFlags = 0;
+        if ( flags & wxSHUTDOWN_FORCE )
+        {
+            wFlags = EWX_FORCE;
+            flags &= ~wxSHUTDOWN_FORCE;
+        }
+
+        switch ( flags )

         {
             case wxSHUTDOWN_POWEROFF:
         {
             case wxSHUTDOWN_POWEROFF:

-                flags |= EWX_POWEROFF;
+                wFlags |= EWX_POWEROFF;

                 break;
 
             case wxSHUTDOWN_REBOOT:
                 break;
 
             case wxSHUTDOWN_REBOOT:

-                flags |= EWX_REBOOT;
+                wFlags |= EWX_REBOOT;
+                break;
+
+            case wxSHUTDOWN_LOGOFF:
+                wFlags |= EWX_LOGOFF;

                 break;
 
             default:
                 break;
 
             default:

-                wxFAIL_MSG( _T("unknown wxShutdown() flag") );
-                return FALSE;
+                wxFAIL_MSG( wxT("unknown wxShutdown() flag") );
+                return false;

         }
 
         }
 

-        bOK = ::ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE | EWX_REBOOT, 0) != 0;
+        bOK = ::ExitWindowsEx(wFlags, 0) != 0;

     }
 
     return bOK;
     }
 
     return bOK;

-#else // Win16
-    return FALSE;
-#endif // Win32/16
+#endif // WinCE/!WinCE

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -906,25 +1057,24 @@ bool wxShutdown(wxShutdownFlags wFlags)
 // ----------------------------------------------------------------------------
 
 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 // ----------------------------------------------------------------------------
 
 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)

-long wxGetFreeMemory()
+wxMemorySize wxGetFreeMemory()

 {
 {

-#if defined(__WIN32__) && !defined(__BORLANDC__)
+#if defined(__WIN64__)
+    MEMORYSTATUSEX memStatex;
+    memStatex.dwLength = sizeof (memStatex);
+    ::GlobalMemoryStatusEx (&memStatex);
+    return (wxMemorySize)memStatex.ullAvailPhys;
+#else /* if defined(__WIN32__) */

     MEMORYSTATUS memStatus;
     memStatus.dwLength = sizeof(MEMORYSTATUS);
     MEMORYSTATUS memStatus;
     memStatus.dwLength = sizeof(MEMORYSTATUS);

-    GlobalMemoryStatus(&memStatus);
-    return memStatus.dwAvailPhys;
-#else
-    return (long)GetFreeSpace(0);
+    ::GlobalMemoryStatus(&memStatus);
+    return (wxMemorySize)memStatus.dwAvailPhys;

 #endif
 }
 
 unsigned long wxGetProcessId()
 {
 #endif
 }
 
 unsigned long wxGetProcessId()
 {

-#ifdef __WIN32__

     return ::GetCurrentProcessId();
     return ::GetCurrentProcessId();

-#else
-    return 0;
-#endif

 }
 
 // Emit a beeeeeep
 }
 
 // Emit a beeeeeep


@@ -933,9 +1083,129 @@ void wxBell()
     ::MessageBeep((UINT)-1);        // default sound
 }
 
     ::MessageBeep((UINT)-1);        // default sound
 }
 

+bool wxIsDebuggerRunning()
+{
+#if wxUSE_DYNLIB_CLASS
+    // IsDebuggerPresent() is not available under Win95, so load it dynamically
+    wxDynamicLibrary dll(wxT("kernel32.dll"), wxDL_VERBATIM);
+
+    typedef BOOL (WINAPI *IsDebuggerPresent_t)();
+    if ( !dll.HasSymbol(wxT("IsDebuggerPresent")) )
+    {
+        // no way to know, assume no
+        return false;
+    }
+
+    return (*(IsDebuggerPresent_t)dll.GetSymbol(wxT("IsDebuggerPresent")))() != 0;
+#else
+    return false;
+#endif
+}
+
+// ----------------------------------------------------------------------------
+// working with MSW resources
+// ----------------------------------------------------------------------------
+
+bool
+wxLoadUserResource(const void **outData,
+                   size_t *outLen,
+                   const wxString& resourceName,
+                   const wxString& resourceType,
+                   WXHINSTANCE instance)
+{
+    wxCHECK_MSG( outData && outLen, false, "output pointers can't be NULL" );
+
+    HRSRC hResource = ::FindResource(instance,
+                                     resourceName.wx_str(),
+                                     resourceType.wx_str());
+    if ( !hResource )
+        return false;
+
+    HGLOBAL hData = ::LoadResource(instance, hResource);
+    if ( !hData )
+    {
+        wxLogSysError(_("Failed to load resource \"%s\"."), resourceName);
+        return false;
+    }
+
+    *outData = ::LockResource(hData);
+    if ( !*outData )
+    {
+        wxLogSysError(_("Failed to lock resource \"%s\"."), resourceName);
+        return false;
+    }
+
+    *outLen = ::SizeofResource(instance, hResource);
+
+    // Notice that we do not need to call neither UnlockResource() (which is
+    // obsolete in Win32) nor GlobalFree() (resources are freed on process
+    // termination only)
+
+    return true;
+}
+
+char *
+wxLoadUserResource(const wxString& resourceName,
+                   const wxString& resourceType,
+                   int* pLen,
+                   WXHINSTANCE instance)
+{
+    const void *data;
+    size_t len;
+    if ( !wxLoadUserResource(&data, &len, resourceName, resourceType, instance) )
+        return NULL;
+
+    char *s = new char[len + 1];
+    memcpy(s, data, len);
+    s[len] = '\0'; // NUL-terminate in case the resource itself wasn't
+
+    if (pLen)
+      *pLen = len;
+
+    return s;
+}
+
+// ----------------------------------------------------------------------------
+// OS version
+// ----------------------------------------------------------------------------
+
+// check if we're running under a server or workstation Windows system: it
+// returns true or false with obvious meaning as well as -1 if the system type
+// couldn't be determined
+//
+// this function is currently private but we may want to expose it later if
+// it's really useful
+namespace
+{
+
+int wxIsWindowsServer()
+{
+#ifdef VER_NT_WORKSTATION
+    OSVERSIONINFOEX info;
+    wxZeroMemory(info);
+
+    info.dwOSVersionInfoSize = sizeof(info);
+    if ( ::GetVersionEx(reinterpret_cast<OSVERSIONINFO *>(&info)) )
+    {
+        switch ( info.wProductType )
+        {
+            case VER_NT_WORKSTATION:
+                return false;
+
+            case VER_NT_SERVER:
+            case VER_NT_DOMAIN_CONTROLLER:
+                return true;
+        }
+    }
+#endif // VER_NT_WORKSTATION
+
+    return -1;
+}
+
+} // anonymous namespace
+

 wxString wxGetOsDescription()
 {
 wxString wxGetOsDescription()
 {

-#ifdef __WIN32__

     wxString str;
 
     OSVERSIONINFO info;
     wxString str;
 
     OSVERSIONINFO info;


@@ -946,107 +1216,293 @@ wxString wxGetOsDescription()
     {
         switch ( info.dwPlatformId )
         {
     {
         switch ( info.dwPlatformId )
         {

+#ifdef VER_PLATFORM_WIN32_CE
+            case VER_PLATFORM_WIN32_CE:
+                str.Printf(_("Windows CE (%d.%d)"),
+                           info.dwMajorVersion,
+                           info.dwMinorVersion);
+                break;
+#endif

             case VER_PLATFORM_WIN32s:
                 str = _("Win32s on Windows 3.1");
                 break;
 
             case VER_PLATFORM_WIN32_WINDOWS:
             case VER_PLATFORM_WIN32s:
                 str = _("Win32s on Windows 3.1");
                 break;
 
             case VER_PLATFORM_WIN32_WINDOWS:

-                str.Printf(_("Windows 9%c"),
-                           info.dwMinorVersion == 0 ? _T('5') : _T('8'));
+                switch (info.dwMinorVersion)
+                {
+                    case 0:
+                        if ( info.szCSDVersion[1] == 'B' ||
+                             info.szCSDVersion[1] == 'C' )
+                        {
+                            str = _("Windows 95 OSR2");
+                        }
+                        else
+                        {
+                            str = _("Windows 95");
+                        }
+                        break;
+                    case 10:
+                        if ( info.szCSDVersion[1] == 'B' ||
+                             info.szCSDVersion[1] == 'C' )
+                        {
+                            str = _("Windows 98 SE");
+                        }
+                        else
+                        {
+                            str = _("Windows 98");
+                        }
+                        break;
+                    case 90:
+                        str = _("Windows ME");
+                        break;
+                    default:
+                        str.Printf(_("Windows 9x (%d.%d)"),
+                                   info.dwMajorVersion,
+                                   info.dwMinorVersion);
+                        break;
+                }

                 if ( !wxIsEmpty(info.szCSDVersion) )
                 {
                 if ( !wxIsEmpty(info.szCSDVersion) )
                 {

-                    str << _T(" (") << info.szCSDVersion << _T(')');
+                    str << wxT(" (") << info.szCSDVersion << wxT(')');

                 }
                 break;
 
             case VER_PLATFORM_WIN32_NT:
                 }
                 break;
 
             case VER_PLATFORM_WIN32_NT:

-                str.Printf(_T("Windows NT %lu.%lu (build %lu"),
-                           info.dwMajorVersion,
-                           info.dwMinorVersion,
-                           info.dwBuildNumber);
+                switch ( info.dwMajorVersion )
+                {
+                    case 5:
+                        switch ( info.dwMinorVersion )
+                        {
+                            case 0:
+                                str = _("Windows 2000");
+                                break;
+
+                            case 2:
+                                // we can't distinguish between XP 64 and 2003
+                                // as they both are 5.2, so examine the product
+                                // type to resolve this ambiguity
+                                if ( wxIsWindowsServer() == 1 )
+                                {
+                                    str = _("Windows Server 2003");
+                                    break;
+                                }
+                                //else: must be XP, fall through
+
+                            case 1:
+                                str = _("Windows XP");
+                                break;
+                        }
+                        break;
+
+                    case 6:
+                        switch ( info.dwMinorVersion )
+                        {
+                            case 0:
+                                str = wxIsWindowsServer() == 1
+                                        ? _("Windows Server 2008")
+                                        : _("Windows Vista");
+                                break;
+
+                            case 1:
+                                str = wxIsWindowsServer() == 1
+                                        ? _("Windows Server 2008 R2")
+                                        : _("Windows 7");
+                                break;
+                        }
+                        break;
+                }
+
+                if ( str.empty() )
+                {
+                    str.Printf(_("Windows NT %lu.%lu"),
+                               info.dwMajorVersion,
+                               info.dwMinorVersion);
+                }
+
+                str << wxT(" (")
+                    << wxString::Format(_("build %lu"), info.dwBuildNumber);

                 if ( !wxIsEmpty(info.szCSDVersion) )
                 {
                 if ( !wxIsEmpty(info.szCSDVersion) )
                 {

-                    str << _T(", ") << info.szCSDVersion;
+                    str << wxT(", ") << info.szCSDVersion;

                 }
                 }

-                str << _T(')');
+                str << wxT(')');
+
+                if ( wxIsPlatform64Bit() )
+                    str << _(", 64-bit edition");

                 break;
         }
     }
     else
     {
                 break;
         }
     }
     else
     {

-        wxFAIL_MSG( _T("GetVersionEx() failed") ); // should never happen
+        wxFAIL_MSG( wxT("GetVersionEx() failed") ); // should never happen

     }
 
     return str;
     }
 
     return str;

-#else // Win16
-    return _("Windows 3.1");
-#endif // Win32/16

 }
 
 }
 

-int wxAppTraits::GetOSVersion(int *verMaj, int *verMin)
+bool wxIsPlatform64Bit()

 {
 {

-    // 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 defined(_WIN64)
+    return true;  // 64-bit programs run only on Win64
+#elif wxUSE_DYNLIB_CLASS // Win32
+    // 32-bit programs run on both 32-bit and 64-bit Windows so check
+    typedef BOOL (WINAPI *IsWow64Process_t)(HANDLE, BOOL *);
+
+    wxDynamicLibrary dllKernel32(wxT("kernel32.dll"));
+    IsWow64Process_t pfnIsWow64Process =
+        (IsWow64Process_t)dllKernel32.RawGetSymbol(wxT("IsWow64Process"));
+
+    BOOL wow64 = FALSE;
+    if ( pfnIsWow64Process )
+    {
+        pfnIsWow64Process(::GetCurrentProcess(), &wow64);
+    }
+    //else: running under a system without Win64 support

 
 

-    if ( s_ver == -1 )
+    return wow64 != FALSE;
+#else
+    return false;
+#endif // Win64/Win32
+}
+
+wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
+{
+    static struct
+    {
+        // this may be false, true or -1 if we tried to initialize but failed
+        int initialized;
+
+        wxOperatingSystemId os;
+
+        int verMaj,
+            verMin;
+    } s_version;
+
+    // query the OS info only once as it's not supposed to change
+    if ( !s_version.initialized )

     {
         OSVERSIONINFO info;
         wxZeroMemory(info);
     {
         OSVERSIONINFO info;
         wxZeroMemory(info);

-
-        s_ver = wxWINDOWS;
-        info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+        info.dwOSVersionInfoSize = sizeof(info);

         if ( ::GetVersionEx(&info) )
         {
         if ( ::GetVersionEx(&info) )
         {

-            s_major = info.dwMajorVersion;
-            s_minor = info.dwMinorVersion;
+            s_version.initialized = true;

 
 

+#if defined(__WXWINCE__)
+            s_version.os = wxOS_WINDOWS_CE;
+#elif defined(__WXMICROWIN__)
+            s_version.os = wxOS_WINDOWS_MICRO;
+#else // "normal" desktop Windows system, use run-time detection

             switch ( info.dwPlatformId )
             {
             switch ( info.dwPlatformId )
             {

-                case VER_PLATFORM_WIN32s:
-                    s_ver = wxWIN32S;
+                case VER_PLATFORM_WIN32_NT:
+                    s_version.os = wxOS_WINDOWS_NT;

                     break;
 
                 case VER_PLATFORM_WIN32_WINDOWS:
                     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;
+                    s_version.os = wxOS_WINDOWS_9X;

                     break;
                     break;

-#endif                    

             }
             }

+#endif // Windows versions
+
+            s_version.verMaj = info.dwMajorVersion;
+            s_version.verMin = info.dwMinorVersion;
+        }
+        else // GetVersionEx() failed
+        {
+            s_version.initialized = -1;

         }
     }
 
         }
     }
 

-    if ( verMaj )
-        *verMaj = s_major;
-    if ( verMin )
-        *verMin = s_minor;
+    if ( s_version.initialized == 1 )
+    {
+        if ( verMaj )
+            *verMaj = s_version.verMaj;
+        if ( verMin )
+            *verMin = s_version.verMin;
+    }

 
 

-    return s_ver;
+    // this works even if we were not initialized successfully as the initial
+    // values of this field is 0 which is wxOS_UNKNOWN and exactly what we need
+    return s_version.os;
+}
+
+wxWinVersion wxGetWinVersion()
+{
+    int verMaj,
+        verMin;
+    switch ( wxGetOsVersion(&verMaj, &verMin) )
+    {
+        case wxOS_WINDOWS_9X:
+            if ( verMaj == 4 )
+            {
+                switch ( verMin )
+                {
+                    case 0:
+                        return wxWinVersion_95;
+
+                    case 10:
+                        return wxWinVersion_98;
+
+                    case 90:
+                        return wxWinVersion_ME;
+                }
+            }
+            break;
+
+        case wxOS_WINDOWS_NT:
+            switch ( verMaj )
+            {
+                case 3:
+                    return wxWinVersion_NT3;
+
+                case 4:
+                    return wxWinVersion_NT4;
+
+                case 5:
+                    switch ( verMin )
+                    {
+                        case 0:
+                            return wxWinVersion_2000;
+
+                        case 1:
+                            return wxWinVersion_XP;
+
+                        case 2:
+                            return wxWinVersion_2003;
+                    }
+                    break;
+
+                case 6:
+                    return wxWinVersion_NT6;
+            }
+            break;
+
+        default:
+            // Do nothing just to silence GCC warning
+            break;
+    }
+
+    return wxWinVersion_Unknown;

 }
 
 // ----------------------------------------------------------------------------
 // sleep functions
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // sleep functions
 // ----------------------------------------------------------------------------
 

-void wxUsleep(unsigned long milliseconds)
+void wxMilliSleep(unsigned long milliseconds)

 {
     ::Sleep(milliseconds);
 }
 
 {
     ::Sleep(milliseconds);
 }
 

+void wxMicroSleep(unsigned long microseconds)
+{
+    wxMilliSleep(microseconds/1000);
+}
+

 void wxSleep(int nSecs)
 {
 void wxSleep(int nSecs)
 {

-    wxUsleep(1000*nSecs);
+    wxMilliSleep(1000*nSecs);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1075,8 +1531,10 @@ extern WXDLLIMPEXP_BASE long wxEncodingToCharset(wxFontEncoding encoding)
         case wxFONTENCODING_CP936:
             return GB2312_CHARSET;
 
         case wxFONTENCODING_CP936:
             return GB2312_CHARSET;
 

+#ifndef __WXWINCE__

         case wxFONTENCODING_CP949:
             return HANGUL_CHARSET;
         case wxFONTENCODING_CP949:
             return HANGUL_CHARSET;

+#endif

 
         case wxFONTENCODING_CP950:
             return CHINESEBIG5_CHARSET;
 
         case wxFONTENCODING_CP950:
             return CHINESEBIG5_CHARSET;


@@ -1126,32 +1584,94 @@ extern WXDLLIMPEXP_BASE long wxEncodingToCharset(wxFontEncoding encoding)
 
 extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding)
 {
 
 extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding)
 {

-    // translate encoding into the Windows CHARSET
-    long charset = wxEncodingToCharset(encoding);
-    if ( charset == -1 )
-        return -1;
+    // There don't seem to be symbolic names for
+    // these under Windows so I just copied the
+    // values from MSDN.

 
 

-    // translate CHARSET to code page
-    CHARSETINFO csetInfo;
-    if ( !::TranslateCharsetInfo((DWORD *)(DWORD)charset,
-                                 &csetInfo,
-                                 TCI_SRCCHARSET) )
+    unsigned int ret;
+
+    switch (encoding)

     {
     {

-        wxLogLastError(_T("TranslateCharsetInfo(TCI_SRCCHARSET)"));
+        case wxFONTENCODING_ISO8859_1:      ret = 28591; break;
+        case wxFONTENCODING_ISO8859_2:      ret = 28592; break;
+        case wxFONTENCODING_ISO8859_3:      ret = 28593; break;
+        case wxFONTENCODING_ISO8859_4:      ret = 28594; break;
+        case wxFONTENCODING_ISO8859_5:      ret = 28595; break;
+        case wxFONTENCODING_ISO8859_6:      ret = 28596; break;
+        case wxFONTENCODING_ISO8859_7:      ret = 28597; break;
+        case wxFONTENCODING_ISO8859_8:      ret = 28598; break;
+        case wxFONTENCODING_ISO8859_9:      ret = 28599; break;
+        case wxFONTENCODING_ISO8859_10:     ret = 28600; break;
+        case wxFONTENCODING_ISO8859_11:     ret = 874; break;
+        // case wxFONTENCODING_ISO8859_12,      // doesn't exist currently, but put it
+        case wxFONTENCODING_ISO8859_13:     ret = 28603; break;
+        // case wxFONTENCODING_ISO8859_14:     ret = 28604; break; // no correspondence on Windows
+        case wxFONTENCODING_ISO8859_15:     ret = 28605; break;
+
+        case wxFONTENCODING_KOI8:           ret = 20866; break;
+        case wxFONTENCODING_KOI8_U:         ret = 21866; break;
+
+        case wxFONTENCODING_CP437:          ret = 437; break;
+        case wxFONTENCODING_CP850:          ret = 850; break;
+        case wxFONTENCODING_CP852:          ret = 852; break;
+        case wxFONTENCODING_CP855:          ret = 855; break;
+        case wxFONTENCODING_CP866:          ret = 866; break;
+        case wxFONTENCODING_CP874:          ret = 874; break;
+        case wxFONTENCODING_CP932:          ret = 932; break;
+        case wxFONTENCODING_CP936:          ret = 936; break;
+        case wxFONTENCODING_CP949:          ret = 949; break;
+        case wxFONTENCODING_CP950:          ret = 950; break;
+        case wxFONTENCODING_CP1250:         ret = 1250; break;
+        case wxFONTENCODING_CP1251:         ret = 1251; break;
+        case wxFONTENCODING_CP1252:         ret = 1252; break;
+        case wxFONTENCODING_CP1253:         ret = 1253; break;
+        case wxFONTENCODING_CP1254:         ret = 1254; break;
+        case wxFONTENCODING_CP1255:         ret = 1255; break;
+        case wxFONTENCODING_CP1256:         ret = 1256; break;
+        case wxFONTENCODING_CP1257:         ret = 1257; break;
+
+        case wxFONTENCODING_EUC_JP:         ret = 20932; break;
+
+        case wxFONTENCODING_MACROMAN:       ret = 10000; break;
+        case wxFONTENCODING_MACJAPANESE:    ret = 10001; break;
+        case wxFONTENCODING_MACCHINESETRAD: ret = 10002; break;
+        case wxFONTENCODING_MACKOREAN:      ret = 10003; break;
+        case wxFONTENCODING_MACARABIC:      ret = 10004; break;
+        case wxFONTENCODING_MACHEBREW:      ret = 10005; break;
+        case wxFONTENCODING_MACGREEK:       ret = 10006; break;
+        case wxFONTENCODING_MACCYRILLIC:    ret = 10007; break;
+        case wxFONTENCODING_MACTHAI:        ret = 10021; break;
+        case wxFONTENCODING_MACCHINESESIMP: ret = 10008; break;
+        case wxFONTENCODING_MACCENTRALEUR:  ret = 10029; break;
+        case wxFONTENCODING_MACCROATIAN:    ret = 10082; break;
+        case wxFONTENCODING_MACICELANDIC:   ret = 10079; break;
+        case wxFONTENCODING_MACROMANIAN:    ret = 10009; break;
+
+        case wxFONTENCODING_ISO2022_JP:     ret = 50222; break;
+
+        case wxFONTENCODING_UTF7:           ret = 65000; break;
+        case wxFONTENCODING_UTF8:           ret = 65001; break;
+
+        default:                            return -1;
+    }

 
 

+    if (::IsValidCodePage(ret) == 0)
+        return -1;
+
+    CPINFO info;
+    if (::GetCPInfo(ret, &info) == 0)

         return -1;
         return -1;

-    }

 
 

-    return csetInfo.ciACP;
+    return (long) ret;

 }
 
 }
 

-extern long wxCharsetToCodepage(const wxChar *name)
+extern long wxCharsetToCodepage(const char *name)

 {
     // first get the font encoding for this charset
     if ( !name )
         return -1;
 
 {
     // first get the font encoding for this charset
     if ( !name )
         return -1;
 

-    wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(name, FALSE);
+    wxFontEncoding enc = wxFontMapperBase::Get()->CharsetToEncoding(name, false);

     if ( enc == wxFONTENCODING_SYSTEM )
         return -1;
 
     if ( enc == wxFONTENCODING_SYSTEM )
         return -1;
 


@@ -1164,13 +1684,14 @@ extern long wxCharsetToCodepage(const wxChar *name)
 #include "wx/msw/registry.h"
 
 // this should work if Internet Exploiter is installed
 #include "wx/msw/registry.h"
 
 // this should work if Internet Exploiter is installed

-extern long wxCharsetToCodepage(const wxChar *name)
+extern long wxCharsetToCodepage(const char *name)

 {
     if (!name)
         return GetACP();
 
     long CP = -1;
 
 {
     if (!name)
         return GetACP();
 
     long CP = -1;
 

+#if wxUSE_REGKEY

     wxString path(wxT("MIME\\Database\\Charset\\"));
     wxString cn(name);
 
     wxString path(wxT("MIME\\Database\\Charset\\"));
     wxString cn(name);
 


@@ -1196,9 +1717,68 @@ extern long wxCharsetToCodepage(const wxChar *name)
             !key.QueryValue(wxT("AliasForCharset"), cn))
             break;
     }
             !key.QueryValue(wxT("AliasForCharset"), cn))
             break;
     }

+#endif // wxUSE_REGKEY

 
     return CP;
 }
 
 #endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
 
 
     return CP;
 }
 
 #endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
 

+/*
+  Creates a hidden window with supplied window proc registering the class for
+  it if necesssary (i.e. the first time only). Caller is responsible for
+  destroying the window and unregistering the class (note that this must be
+  done because wxWidgets may be used as a DLL and so may be loaded/unloaded
+  multiple times into/from the same process so we cna't rely on automatic
+  Windows class unregistration).
+
+  pclassname is a pointer to a caller stored classname, which must initially be
+  NULL. classname is the desired wndclass classname. If function successfully
+  registers the class, pclassname will be set to classname.
+ */
+extern "C" WXDLLIMPEXP_BASE HWND
+wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc)
+{
+    wxCHECK_MSG( classname && pclassname && wndproc, NULL,
+                    wxT("NULL parameter in wxCreateHiddenWindow") );
+
+    // register the class fi we need to first
+    if ( *pclassname == NULL )
+    {
+        WNDCLASS wndclass;
+        wxZeroMemory(wndclass);
+
+        wndclass.lpfnWndProc   = wndproc;
+        wndclass.hInstance     = wxGetInstance();
+        wndclass.lpszClassName = classname;
+
+        if ( !::RegisterClass(&wndclass) )
+        {
+            wxLogLastError(wxT("RegisterClass() in wxCreateHiddenWindow"));
+
+            return NULL;
+        }
+
+        *pclassname = classname;
+    }
+
+    // next create the window
+    HWND hwnd = ::CreateWindow
+                  (
+                    *pclassname,
+                    NULL,
+                    0, 0, 0, 0,
+                    0,
+                    (HWND) NULL,
+                    (HMENU)NULL,
+                    wxGetInstance(),
+                    (LPVOID) NULL
+                  );
+
+    if ( !hwnd )
+    {
+        wxLogLastError(wxT("CreateWindow() in wxCreateHiddenWindow"));
+    }
+
+    return hwnd;
+}