Added some makefiles for caret, scroll and drawing samples.

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

diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp
index bf05ac66482843d430948c4e050aafa92d3b398f..099b376cfd5dffd1f0b1ef33e1401988efe9fec7 100644 (file)
--- a/src/msw/registry.cpp
+++ b/src/msw/registry.cpp
@@ -12,13 +12,9 @@
 //              - add high level functions (RegisterOleServer, ...)
 ///////////////////////////////////////////////////////////////////////////////
 
 //              - add high level functions (RegisterOleServer, ...)
 ///////////////////////////////////////////////////////////////////////////////
 

-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
+#ifdef __GNUG__
+#pragma implementation "registry.h"
+#endif

 
 // for compilers that support precompilation, includes "wx.h".
 #include  "wx/wxprec.h"
 
 // for compilers that support precompilation, includes "wx.h".
 #include  "wx/wxprec.h"


@@ -31,6 +27,9 @@
 #include  "wx/string.h"
 #include  "wx/intl.h"
 #include  "wx/log.h"
 #include  "wx/string.h"
 #include  "wx/intl.h"
 #include  "wx/log.h"

+#include  "wx/config.h"    // for wxExpandEnvVars
+
+#ifndef __WIN16__

 
 // Windows headers
 /*
 
 // Windows headers
 /*


@@ -108,7 +107,7 @@ aStdKeys[] =
 static inline void RemoveTrailingSeparator(wxString& str);
 
 // returns TRUE if given registry key exists
 static inline void RemoveTrailingSeparator(wxString& str);
 
 // returns TRUE if given registry key exists

-static bool KeyExists(HKEY hRootKey, const char *szKey);
+static bool KeyExists(WXHKEY hRootKey, const char *szKey);

 
 // combines value and key name (uses static buffer!)
 static const char *GetFullName(const wxRegKey *pKey, 
 
 // combines value and key name (uses static buffer!)
 static const char *GetFullName(const wxRegKey *pKey, 


@@ -146,7 +145,7 @@ wxRegKey::StdKey wxRegKey::ExtractKeyName(wxString& strKey)
 {
   wxString strRoot = strKey.Left(REG_SEPARATOR);
 
 {
   wxString strRoot = strKey.Left(REG_SEPARATOR);
 

-  HKEY hRootKey;
+  HKEY hRootKey = 0;

   size_t ui;
   for ( ui = 0; ui < nStdKeys; ui++ ) {
     if ( strRoot.CmpNoCase(aStdKeys[ui].szName) == 0 || 
   size_t ui;
   for ( ui = 0; ui < nStdKeys; ui++ ) {
     if ( strRoot.CmpNoCase(aStdKeys[ui].szName) == 0 || 


@@ -170,10 +169,10 @@ wxRegKey::StdKey wxRegKey::ExtractKeyName(wxString& strKey)
   return (wxRegKey::StdKey)(int)hRootKey;
 }
 
   return (wxRegKey::StdKey)(int)hRootKey;
 }
 

-wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(HKEY hkey)
+wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(WXHKEY hkey)

 {
   for ( size_t ui = 0; ui < nStdKeys; ui++ ) {
 {
   for ( size_t ui = 0; ui < nStdKeys; ui++ ) {

-    if ( aStdKeys[ui].hkey == hkey )
+    if ( (int) aStdKeys[ui].hkey == (int) hkey )

       return (StdKey)ui;
   }
   
       return (StdKey)ui;
   }
   


@@ -189,14 +188,14 @@ wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(HKEY hkey)
 wxRegKey::wxRegKey()
 {
   m_hKey = 0;
 wxRegKey::wxRegKey()
 {
   m_hKey = 0;

-  m_hRootKey = aStdKeys[HKCR].hkey;
+  m_hRootKey = (WXHKEY) aStdKeys[HKCR].hkey;

   m_dwLastError = 0;
 }
 
 wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
 {
   m_dwLastError = 0;
 }
 
 wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
 {

-  m_hRootKey  = aStdKeys[ExtractKeyName(m_strKey)].hkey;
-  m_hKey      = NULL;
+  m_hRootKey  = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey;
+  m_hKey      = (WXHKEY) NULL;

   m_dwLastError = 0;
 }
 
   m_dwLastError = 0;
 }
 


@@ -204,8 +203,8 @@ wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
 wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey)
 {
   RemoveTrailingSeparator(m_strKey);
 wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey)
 {
   RemoveTrailingSeparator(m_strKey);

-  m_hRootKey  = aStdKeys[keyParent].hkey;
-  m_hKey      = NULL;
+  m_hRootKey  = (WXHKEY) aStdKeys[keyParent].hkey;
+  m_hKey      = (WXHKEY) NULL;

   m_dwLastError = 0;
 }
 
   m_dwLastError = 0;
 }
 


@@ -223,7 +222,7 @@ wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey)
   RemoveTrailingSeparator(m_strKey);
 
   m_hRootKey  = keyParent.m_hRootKey;
   RemoveTrailingSeparator(m_strKey);
 
   m_hRootKey  = keyParent.m_hRootKey;

-  m_hKey      = NULL;
+  m_hKey      = (WXHKEY) NULL;

   m_dwLastError = 0;
 }
 
   m_dwLastError = 0;
 }
 


@@ -243,7 +242,7 @@ void wxRegKey::SetName(const wxString& strKey)
   Close();
 
   m_strKey = strKey;
   Close();
 
   m_strKey = strKey;

-  m_hRootKey = aStdKeys[ExtractKeyName(m_strKey)].hkey;
+  m_hRootKey = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey;

 }
 
 // the name is relative to the parent key
 }
 
 // the name is relative to the parent key


@@ -253,7 +252,7 @@ void wxRegKey::SetName(StdKey keyParent, const wxString& strKey)
 
   m_strKey = strKey;
   RemoveTrailingSeparator(m_strKey);
 
   m_strKey = strKey;
   RemoveTrailingSeparator(m_strKey);

-  m_hRootKey = aStdKeys[keyParent].hkey;
+  m_hRootKey = (WXHKEY) aStdKeys[keyParent].hkey;

 }
 
 // the name is relative to the parent key
 }
 
 // the name is relative to the parent key


@@ -273,7 +272,7 @@ void wxRegKey::SetName(const wxRegKey& keyParent, const wxString& strKey)
 }
 
 // hKey should be opened and will be closed in wxRegKey dtor
 }
 
 // hKey should be opened and will be closed in wxRegKey dtor

-void wxRegKey::SetHkey(HKEY hKey)
+void wxRegKey::SetHkey(WXHKEY hKey)

 {
   Close();
 
 {
   Close();
 


@@ -294,7 +293,7 @@ bool wxRegKey::Exists() const
 // returns the full name of the key (prefix is abbreviated if bShortPrefix)
 wxString wxRegKey::GetName(bool bShortPrefix) const
 {
 // returns the full name of the key (prefix is abbreviated if bShortPrefix)
 wxString wxRegKey::GetName(bool bShortPrefix) const
 {

-  StdKey key = GetStdKeyFromHkey(m_hRootKey);
+  StdKey key = GetStdKeyFromHkey((StdKey) m_hRootKey);

   wxString str = bShortPrefix ? aStdKeys[key].szShortName 
                               : aStdKeys[key].szName;
   if ( !m_strKey.IsEmpty() )
   wxString str = bShortPrefix ? aStdKeys[key].szShortName 
                               : aStdKeys[key].szName;
   if ( !m_strKey.IsEmpty() )


@@ -315,10 +314,10 @@ bool wxRegKey::GetKeyInfo(ulong *pnSubKeys,
                           ulong *pnMaxValueLen) const
 #endif
 {
                           ulong *pnMaxValueLen) const
 #endif
 {

-#ifdef  __WIN32__
+#if defined(__WIN32__) && !defined(__TWIN32__)

   m_dwLastError = ::RegQueryInfoKey
                   (
   m_dwLastError = ::RegQueryInfoKey
                   (

-                    m_hKey,
+                    (HKEY) m_hKey,

                     NULL,           // class name
                     NULL,           // (ptr to) size of class name buffer
                     RESERVED,
                     NULL,           // class name
                     NULL,           // (ptr to) size of class name buffer
                     RESERVED,


@@ -356,14 +355,18 @@ bool wxRegKey::Open()
   if ( IsOpened() )
     return TRUE;
 
   if ( IsOpened() )
     return TRUE;
 

-  m_dwLastError = RegOpenKey(m_hRootKey, m_strKey, &m_hKey);
+  HKEY tmpKey;
+  m_dwLastError = RegOpenKey((HKEY) m_hRootKey, m_strKey, &tmpKey);

   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("can't open registry key '%s'"),
                   GetName().c_str());
     return FALSE;
   }
   else
   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("can't open registry key '%s'"),
                   GetName().c_str());
     return FALSE;
   }
   else

+  {
+    m_hKey = (WXHKEY) tmpKey;

     return TRUE;
     return TRUE;

+  }

 }
 
 // creates key, failing if it exists and !bOkIfExists
 }
 
 // creates key, failing if it exists and !bOkIfExists


@@ -377,21 +380,25 @@ bool wxRegKey::Create(bool bOkIfExists)
   if ( IsOpened() )
     return TRUE;
 
   if ( IsOpened() )
     return TRUE;
 

-  m_dwLastError = RegCreateKey(m_hRootKey, m_strKey, &m_hKey);
+  HKEY tmpKey;
+  m_dwLastError = RegCreateKey((HKEY) m_hRootKey, m_strKey, &tmpKey);

   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("can't create registry key '%s'"),
                   GetName().c_str());
     return FALSE;
   }
   else
   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("can't create registry key '%s'"),
                   GetName().c_str());
     return FALSE;
   }
   else

+  {
+    m_hKey = (WXHKEY) tmpKey;

     return TRUE;
     return TRUE;

+  }

 }
 
 // close the key, it's not an error to call it when not opened
 bool wxRegKey::Close()
 {
   if ( IsOpened() ) {
 }
 
 // close the key, it's not an error to call it when not opened
 bool wxRegKey::Close()
 {
   if ( IsOpened() ) {

-    m_dwLastError = RegCloseKey(m_hKey);
+    m_dwLastError = RegCloseKey((HKEY) m_hKey);

     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't close registry key '%s'"),
                     GetName().c_str());
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't close registry key '%s'"),
                     GetName().c_str());


@@ -420,6 +427,18 @@ bool wxRegKey::DeleteSelf()
     }
   }
 
     }
   }
 

+  // prevent a buggy program from erasing one of the root registry keys or an
+  // immediate subkey (i.e. one which doesn't have '\\' inside) of any other
+  // key except HKCR (HKCR has some "deleteable" subkeys)
+  if ( m_strKey.IsEmpty() || (m_hRootKey != HKCR &&
+       m_strKey.Find(REG_SEPARATOR) == wxNOT_FOUND) ) {
+      wxLogError(_("Registry key '%s' is needed for normal system operation,\n"
+                   "deleting it will leave your system in unusable state:\n"
+                   "operation aborted."), GetFullName(this));
+
+      return FALSE;
+  }
+

   // we can't delete keys while enumerating because it confuses GetNextKey, so
   // we first save the key names and then delete them all
   wxArrayString astrSubkeys;
   // we can't delete keys while enumerating because it confuses GetNextKey, so
   // we first save the key names and then delete them all
   wxArrayString astrSubkeys;


@@ -443,7 +462,7 @@ bool wxRegKey::DeleteSelf()
   // now delete this key itself
   Close();
 
   // now delete this key itself
   Close();
 

-  m_dwLastError = RegDeleteKey(m_hRootKey, m_strKey);
+  m_dwLastError = RegDeleteKey((HKEY) m_hRootKey, m_strKey);

   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("can't delete key '%s'"),
                   GetName().c_str());
   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("can't delete key '%s'"),
                   GetName().c_str());


@@ -467,8 +486,8 @@ bool wxRegKey::DeleteValue(const char *szValue)
   if ( !Open() )
     return FALSE;
 
   if ( !Open() )
     return FALSE;
 

-  #ifdef  __WIN32__
-    m_dwLastError = RegDeleteValue(m_hKey, szValue);
+#if defined(__WIN32__) && !defined(__TWIN32__)
+    m_dwLastError = RegDeleteValue((HKEY) m_hKey, (char*) (const char*) szValue);

     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't delete value '%s' from key '%s'"),
                     szValue, GetName().c_str());
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't delete value '%s' from key '%s'"),
                     szValue, GetName().c_str());


@@ -479,7 +498,7 @@ bool wxRegKey::DeleteValue(const char *szValue)
     wxASSERT( IsEmpty(szValue) );
 
     // just set the (default and unique) value of the key to ""
     wxASSERT( IsEmpty(szValue) );
 
     // just set the (default and unique) value of the key to ""

-    m_dwLastError = RegSetValue(m_hKey, NULL, REG_SZ, "", RESERVED);
+    m_dwLastError = RegSetValue((HKEY) m_hKey, NULL, REG_SZ, "", RESERVED);

     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't delete value of key '%s'"),
                     GetName().c_str());
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't delete value of key '%s'"),
                     GetName().c_str());


@@ -502,7 +521,7 @@ bool wxRegKey::HasValue(const char *szValue) const
   
   #ifdef  __WIN32__
     if ( CONST_CAST Open() ) {
   
   #ifdef  __WIN32__
     if ( CONST_CAST Open() ) {

-      return RegQueryValueEx(m_hKey, szValue, RESERVED, 
+      return RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,

                              NULL, NULL, NULL) == ERROR_SUCCESS;
     }
     else
                              NULL, NULL, NULL) == ERROR_SUCCESS;
     }
     else


@@ -516,6 +535,9 @@ bool wxRegKey::HasValue(const char *szValue) const
 // returns TRUE if this key has any subkeys
 bool wxRegKey::HasSubkeys() const
 {
 // returns TRUE if this key has any subkeys
 bool wxRegKey::HasSubkeys() const
 {

+  // suppress possible messages from GetFirstKey()
+  wxLogNull nolog;
+  

   // just call GetFirstKey with dummy parameters
   wxString str;
   long     l;
   // just call GetFirstKey with dummy parameters
   wxString str;
   long     l;


@@ -525,20 +547,23 @@ bool wxRegKey::HasSubkeys() const
 // returns TRUE if given subkey exists
 bool wxRegKey::HasSubKey(const char *szKey) const
 {
 // returns TRUE if given subkey exists
 bool wxRegKey::HasSubKey(const char *szKey) const
 {

+  // this function should be silent, so suppress possible messages from Open()
+  wxLogNull nolog;
+  

   if ( CONST_CAST Open() )
     return KeyExists(m_hKey, szKey);
   else
     return FALSE;
 }
 
   if ( CONST_CAST Open() )
     return KeyExists(m_hKey, szKey);
   else
     return FALSE;
 }
 

-wxRegKey::ValueType wxRegKey::GetValueType(const char *szValue)
+wxRegKey::ValueType wxRegKey::GetValueType(const char *szValue) const

 {
   #ifdef  __WIN32__
 {
   #ifdef  __WIN32__

-    if ( !Open() )
+    if ( ! CONST_CAST Open() )

       return Type_None;
 
     DWORD dwType;
       return Type_None;
 
     DWORD dwType;

-    m_dwLastError = RegQueryValueEx(m_hKey, szValue, RESERVED,
+    m_dwLastError = RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,

                                     &dwType, NULL, NULL);
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),
                                     &dwType, NULL, NULL);
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),


@@ -555,8 +580,12 @@ wxRegKey::ValueType wxRegKey::GetValueType(const char *szValue)
 #ifdef  __WIN32__
 bool wxRegKey::SetValue(const char *szValue, long lValue)
 {
 #ifdef  __WIN32__
 bool wxRegKey::SetValue(const char *szValue, long lValue)
 {

+#ifdef __TWIN32__
+  wxFAIL_MSG("RegSetValueEx not implemented by TWIN32");
+  return FALSE;
+#else

   if ( CONST_CAST Open() ) {
   if ( CONST_CAST Open() ) {

-    m_dwLastError = RegSetValueEx(m_hKey, szValue, RESERVED, REG_DWORD, 
+    m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_DWORD,

                                   (RegString)&lValue, sizeof(lValue));
     if ( m_dwLastError == ERROR_SUCCESS )
       return TRUE;
                                   (RegString)&lValue, sizeof(lValue));
     if ( m_dwLastError == ERROR_SUCCESS )
       return TRUE;


@@ -565,6 +594,7 @@ bool wxRegKey::SetValue(const char *szValue, long lValue)
   wxLogSysError(m_dwLastError, _("can't set value of '%s'"),
                 GetFullName(this, szValue));
   return FALSE;
   wxLogSysError(m_dwLastError, _("can't set value of '%s'"),
                 GetFullName(this, szValue));
   return FALSE;

+#endif

 }
 
 bool wxRegKey::QueryValue(const char *szValue, long *plValue) const
 }
 
 bool wxRegKey::QueryValue(const char *szValue, long *plValue) const


@@ -572,7 +602,7 @@ bool wxRegKey::QueryValue(const char *szValue, long *plValue) const
   if ( CONST_CAST Open() ) {
     DWORD dwType, dwSize = sizeof(DWORD);
     RegString pBuf = (RegString)plValue;
   if ( CONST_CAST Open() ) {
     DWORD dwType, dwSize = sizeof(DWORD);
     RegString pBuf = (RegString)plValue;

-    m_dwLastError = RegQueryValueEx(m_hKey, szValue, RESERVED, 
+    m_dwLastError = RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,

                                     &dwType, pBuf, &dwSize);
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),
                                     &dwType, pBuf, &dwSize);
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),


@@ -599,11 +629,11 @@ bool wxRegKey::QueryValue(const char *szValue, wxString& strValue) const
     #ifdef  __WIN32__
       // first get the type and size of the data
       DWORD dwType, dwSize;
     #ifdef  __WIN32__
       // first get the type and size of the data
       DWORD dwType, dwSize;

-      m_dwLastError = RegQueryValueEx(m_hKey, szValue, RESERVED, 
+      m_dwLastError = RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,

                                       &dwType, NULL, &dwSize);
       if ( m_dwLastError == ERROR_SUCCESS ) {
         RegString pBuf = (RegString)strValue.GetWriteBuf(dwSize);
                                       &dwType, NULL, &dwSize);
       if ( m_dwLastError == ERROR_SUCCESS ) {
         RegString pBuf = (RegString)strValue.GetWriteBuf(dwSize);

-        m_dwLastError = RegQueryValueEx(m_hKey, szValue, RESERVED, 
+        m_dwLastError = RegQueryValueEx((HKEY) m_hKey, (char*) (const char*) szValue, RESERVED,

                                         &dwType, pBuf, &dwSize);
         strValue.UngetWriteBuf();
         if ( m_dwLastError == ERROR_SUCCESS ) {
                                         &dwType, pBuf, &dwSize);
         strValue.UngetWriteBuf();
         if ( m_dwLastError == ERROR_SUCCESS ) {


@@ -618,7 +648,7 @@ bool wxRegKey::QueryValue(const char *szValue, wxString& strValue) const
       // named registry values don't exist in Win16
       wxASSERT( IsEmpty(szValue) );
 
       // named registry values don't exist in Win16
       wxASSERT( IsEmpty(szValue) );
 

-      m_dwLastError = RegQueryValue(m_hKey, 0, strValue.GetWriteBuf(256), &l);
+      m_dwLastError = RegQueryValue((HKEY) m_hKey, 0, strValue.GetWriteBuf(256), &l);

       strValue.UngetWriteBuf();
       if ( m_dwLastError == ERROR_SUCCESS )
         return TRUE;
       strValue.UngetWriteBuf();
       if ( m_dwLastError == ERROR_SUCCESS )
         return TRUE;


@@ -633,8 +663,8 @@ bool wxRegKey::QueryValue(const char *szValue, wxString& strValue) const
 bool wxRegKey::SetValue(const char *szValue, const wxString& strValue)
 {
   if ( CONST_CAST Open() ) {
 bool wxRegKey::SetValue(const char *szValue, const wxString& strValue)
 {
   if ( CONST_CAST Open() ) {

-    #ifdef  __WIN32__
-      m_dwLastError = RegSetValueEx(m_hKey, szValue, RESERVED, REG_SZ, 
+#if defined( __WIN32__) && !defined(__TWIN32__)
+      m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_SZ,

                                     (RegString)strValue.c_str(), 
                                     strValue.Len() + 1);
       if ( m_dwLastError == ERROR_SUCCESS )
                                     (RegString)strValue.c_str(), 
                                     strValue.Len() + 1);
       if ( m_dwLastError == ERROR_SUCCESS )


@@ -643,7 +673,7 @@ bool wxRegKey::SetValue(const char *szValue, const wxString& strValue)
       // named registry values don't exist in Win16
       wxASSERT( IsEmpty(szValue) );
 
       // named registry values don't exist in Win16
       wxASSERT( IsEmpty(szValue) );
 

-      m_dwLastError = RegSetValue(m_hKey, NULL, REG_SZ, strValue, NULL);
+      m_dwLastError = RegSetValue((HKEY) m_hKey, NULL, REG_SZ, strValue, NULL);

       if ( m_dwLastError == ERROR_SUCCESS )
         return TRUE;
     #endif  //WIN16/32
       if ( m_dwLastError == ERROR_SUCCESS )
         return TRUE;
     #endif  //WIN16/32


@@ -684,12 +714,12 @@ bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const
   if ( lIndex == -1 )
     return FALSE;
 
   if ( lIndex == -1 )
     return FALSE;
 

-  #ifdef  __WIN32__
+#if defined( __WIN32__) && !defined(__TWIN32__)

     char  szValueName[1024];                  // @@ use RegQueryInfoKey...
     DWORD dwValueLen = WXSIZEOF(szValueName);
 
     lIndex++;
     char  szValueName[1024];                  // @@ use RegQueryInfoKey...
     DWORD dwValueLen = WXSIZEOF(szValueName);
 
     lIndex++;

-    m_dwLastError = RegEnumValue(m_hKey, lIndex, 
+    m_dwLastError = RegEnumValue((HKEY) m_hKey, lIndex,

                                  szValueName, &dwValueLen,
                                  RESERVED, 
                                  NULL,            // [out] type 
                                  szValueName, &dwValueLen,
                                  RESERVED, 
                                  NULL,            // [out] type 


@@ -739,7 +769,7 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const
     return FALSE;
 
   char szKeyName[_MAX_PATH + 1];
     return FALSE;
 
   char szKeyName[_MAX_PATH + 1];

-  m_dwLastError = RegEnumKey(m_hKey, lIndex++, szKeyName, WXSIZEOF(szKeyName));
+  m_dwLastError = RegEnumKey((HKEY) m_hKey, lIndex++, szKeyName, WXSIZEOF(szKeyName));

 
   if ( m_dwLastError != ERROR_SUCCESS ) {
     if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) {
 
   if ( m_dwLastError != ERROR_SUCCESS ) {
     if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) {


@@ -758,13 +788,28 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const
   return TRUE;
 }
 
   return TRUE;
 }
 

+// returns TRUE if the value contains a number (else it's some string)
+bool wxRegKey::IsNumericValue(const char *szValue) const
+  { 
+      ValueType type = GetValueType(szValue);
+      switch ( type ) {
+        case Type_Dword:
+        case Type_Dword_little_endian:
+        case Type_Dword_big_endian:
+            return TRUE;
+
+        default:
+            return FALSE;
+      }
+  }
+

 // ============================================================================
 // implementation of global private functions
 // ============================================================================
 // ============================================================================
 // implementation of global private functions
 // ============================================================================

-bool KeyExists(HKEY hRootKey, const char *szKey)
+bool KeyExists(WXHKEY hRootKey, const char *szKey)

 {
   HKEY hkeyDummy;
 {
   HKEY hkeyDummy;

-  if ( RegOpenKey(hRootKey, szKey, &hkeyDummy) == ERROR_SUCCESS ) {
+  if ( RegOpenKey( (HKEY) hRootKey, szKey, &hkeyDummy) == ERROR_SUCCESS ) {

     RegCloseKey(hkeyDummy);
     return TRUE;
   }
     RegCloseKey(hkeyDummy);
     return TRUE;
   }


@@ -788,73 +833,6 @@ void RemoveTrailingSeparator(wxString& str)
     str.Truncate(str.Len() - 1);
 }
 
     str.Truncate(str.Len() - 1);
 }
 

-// ============================================================================
-// global public functions
-// ============================================================================
-
-bool GetExtensionFromMimeType(wxString *pExt, const wxString& strMimeType)
-{
-  // @@@ VZ: I don't know of any official documentation which mentions this
-  //         location, but as a matter of fact IE uses it, so why not we?
-  static const char *szMimeDbase = "MIME\\Database\\Content Type\\";
-
-  wxString strKey = szMimeDbase;
-  strKey << strMimeType;
-
-  // suppress possible error messages
-  wxLogNull nolog;
-  wxRegKey key(wxRegKey::HKCR, strKey);
-  if ( key.IsOpened() ) {
-    if ( key.QueryValue("Extension", *pExt) )
-      return TRUE;
-  }
-
-  // no such MIME type or no extension for it
-  return FALSE;
-}
-
-bool GetMimeTypeFromExtension(wxString *pMimeType, const wxString& strExt)
-{
-  wxCHECK( !strExt.IsEmpty(), FALSE );
-
-  // add the leading point if necessary
-  wxString str;
-  if ( strExt[0] != '.' ) {
-    str = '.';
-  }
-  str << strExt;
-
-  // suppress possible error messages
-  wxLogNull nolog;
-  wxRegKey key(wxRegKey::HKCR, str);
-  if ( key.IsOpened() ) {
-    if ( key.QueryValue("Content Type", *pMimeType) )
-      return TRUE;
-  }
-
-  // no such extension or no content-type
-  return FALSE;
-}
-
-bool GetFileTypeFromExtension(wxString *pFileType, const wxString& strExt)
-{
-  wxCHECK( !strExt.IsEmpty(), FALSE );
-
-  // add the leading point if necessary
-  wxString str;
-  if ( strExt[0] != '.' ) {
-    str = '.';
-  }
-  str << strExt;
-
-  // suppress possible error messages
-  wxLogNull nolog;
-  wxRegKey key(wxRegKey::HKCR, str);
-  if ( key.IsOpened() ) {
-    if ( key.QueryValue("", *pFileType) )  // it's the default value of the key
-      return TRUE;
-  }
+#endif
+  // __WIN16__

 
 

-  // no such extension or no value
-  return FALSE;
-}
\ No newline at end of file