wxProcess-related code now works

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

diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp
index 713ca417c3f942e9ae116d1255a7711390ef14b3..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"


@@ -31,10 +27,16 @@
 #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

+/*

 #define   STRICT
 #define   WIN32_LEAN_AND_MEAN
 #define   STRICT
 #define   WIN32_LEAN_AND_MEAN

+*/
+

 #include  <windows.h>
 
 // other std headers
 #include  <windows.h>
 
 // other std headers


@@ -83,6 +85,10 @@ aStdKeys[] =
 // the registry name separator (perhaps one day MS will change it to '/' ;-)
 #define   REG_SEPARATOR     '\\'
 
 // the registry name separator (perhaps one day MS will change it to '/' ;-)
 #define   REG_SEPARATOR     '\\'
 

+// useful for Windows programmers: makes somewhat more clear all these zeroes
+// being passed to Windows APIs
+#define   RESERVED        (NULL)
+

 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------


@@ -100,8 +106,8 @@ aStdKeys[] =
 // removes the trailing backslash from the string if it has one
 static inline void RemoveTrailingSeparator(wxString& str);
 
 // removes the trailing backslash from the string if it has one
 static inline void RemoveTrailingSeparator(wxString& str);
 

-// returns true if given registry key exists
-static bool KeyExists(HKEY hRootKey, const char *szKey);
+// returns TRUE if given registry key exists
+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, 


@@ -119,7 +125,7 @@ const size_t wxRegKey::nStdKeys = WXSIZEOF(aStdKeys);
 
 // @@ should take a `StdKey key', but as it's often going to be used in loops
 //    it would require casts in user code.  
 
 // @@ should take a `StdKey key', but as it's often going to be used in loops
 //    it would require casts in user code.  

-const char *wxRegKey::GetStdKeyName(uint key)
+const char *wxRegKey::GetStdKeyName(size_t key)

 {
   // return empty string if key is invalid
   wxCHECK_MSG( key < nStdKeys, "", "invalid key in wxRegKey::GetStdKeyName" );
 {
   // return empty string if key is invalid
   wxCHECK_MSG( key < nStdKeys, "", "invalid key in wxRegKey::GetStdKeyName" );


@@ -127,7 +133,7 @@ const char *wxRegKey::GetStdKeyName(uint key)
   return aStdKeys[key].szName;
 }
 
   return aStdKeys[key].szName;
 }
 

-const char *wxRegKey::GetStdKeyShortName(uint key)
+const char *wxRegKey::GetStdKeyShortName(size_t key)

 {
   // return empty string if key is invalid
   wxCHECK( key < nStdKeys, "" );
 {
   // return empty string if key is invalid
   wxCHECK( key < nStdKeys, "" );


@@ -139,8 +145,8 @@ wxRegKey::StdKey wxRegKey::ExtractKeyName(wxString& strKey)
 {
   wxString strRoot = strKey.Left(REG_SEPARATOR);
 
 {
   wxString strRoot = strKey.Left(REG_SEPARATOR);
 

-  HKEY hRootKey;
-  uint ui;
+  HKEY hRootKey = 0;
+  size_t ui;

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


@@ -163,10 +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 ( uint ui = 0; ui < nStdKeys; ui++ ) {
-    if ( aStdKeys[ui].hkey == hkey )
+  for ( size_t ui = 0; ui < nStdKeys; ui++ ) {
+    if ( (int) aStdKeys[ui].hkey == (int) hkey )

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


@@ -182,14 +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;
 }
 


@@ -197,8 +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;
 }
 


@@ -207,14 +213,16 @@ wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey)
         : m_strKey(keyParent.m_strKey)
 {
   // combine our name with parent's to get the full name
         : m_strKey(keyParent.m_strKey)
 {
   // combine our name with parent's to get the full name

-  if ( !strKey.IsEmpty() && strKey[0] != REG_SEPARATOR )
-      m_strKey  += REG_SEPARATOR;
+  if ( !m_strKey.IsEmpty() && 
+       (strKey.IsEmpty() || strKey[0] != REG_SEPARATOR) ) {
+      m_strKey += REG_SEPARATOR;
+  }

 
   m_strKey += strKey;
   RemoveTrailingSeparator(m_strKey);
 
   m_hRootKey  = keyParent.m_hRootKey;
 
   m_strKey += strKey;
   RemoveTrailingSeparator(m_strKey);
 
   m_hRootKey  = keyParent.m_hRootKey;

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

   m_dwLastError = 0;
 }
 
   m_dwLastError = 0;
 }
 


@@ -234,7 +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


@@ -244,7 +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


@@ -253,9 +261,10 @@ void wxRegKey::SetName(const wxRegKey& keyParent, const wxString& strKey)
   Close();
 
   // combine our name with parent's to get the full name
   Close();
 
   // combine our name with parent's to get the full name

-  m_strKey = strKey;
+  m_strKey = keyParent.m_strKey;

   if ( !strKey.IsEmpty() && strKey[0] != REG_SEPARATOR )
     m_strKey += REG_SEPARATOR;
   if ( !strKey.IsEmpty() && strKey[0] != REG_SEPARATOR )
     m_strKey += REG_SEPARATOR;

+  m_strKey += strKey;

 
   RemoveTrailingSeparator(m_strKey);
 
 
   RemoveTrailingSeparator(m_strKey);
 


@@ -263,7 +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();
 


@@ -274,17 +283,17 @@ void wxRegKey::SetHkey(HKEY hKey)
 // info about the key
 // ----------------------------------------------------------------------------
 
 // info about the key
 // ----------------------------------------------------------------------------
 

-// returns true if the key exists
+// returns TRUE if the key exists

 bool wxRegKey::Exists() const
 {
   // opened key has to exist, try to open it if not done yet
 bool wxRegKey::Exists() const
 {
   // opened key has to exist, try to open it if not done yet

-  return IsOpened() ? true : KeyExists(m_hRootKey, m_strKey);
+  return IsOpened() ? TRUE : KeyExists(m_hRootKey, m_strKey);

 }
 
 // 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() )


@@ -293,6 +302,49 @@ wxString wxRegKey::GetName(bool bShortPrefix) const
   return str;
 }
 
   return str;
 }
 

+#ifdef __GNUWIN32__
+bool wxRegKey::GetKeyInfo(size_t* pnSubKeys,
+                          size_t* pnMaxKeyLen,
+                          size_t* pnValues,
+                          size_t* pnMaxValueLen) const
+#else
+bool wxRegKey::GetKeyInfo(ulong *pnSubKeys,
+                          ulong *pnMaxKeyLen,
+                          ulong *pnValues,
+                          ulong *pnMaxValueLen) const
+#endif
+{
+#if defined(__WIN32__) && !defined(__TWIN32__)
+  m_dwLastError = ::RegQueryInfoKey
+                  (
+                    (HKEY) m_hKey,
+                    NULL,           // class name
+                    NULL,           // (ptr to) size of class name buffer
+                    RESERVED,
+                    pnSubKeys,      // [out] number of subkeys
+                    pnMaxKeyLen,    // [out] max length of a subkey name
+                    NULL,           // longest subkey class name
+                    pnValues,       // [out] number of values
+                    pnMaxValueLen,  // [out] max length of a value name
+                    NULL,           // longest value data
+                    NULL,           // security descriptor
+                    NULL            // time of last modification
+                  );
+
+  if ( m_dwLastError != ERROR_SUCCESS ) {
+    wxLogSysError(m_dwLastError, _("can't get info about registry key '%s'"),
+                  GetName().c_str());
+    return FALSE;
+  }
+  else
+    return TRUE;
+#else // Win16
+  wxFAIL_MSG("GetKeyInfo() not implemented");
+
+  return FALSE;
+#endif
+}
+

 // ----------------------------------------------------------------------------
 // operations
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // operations
 // ----------------------------------------------------------------------------


@@ -301,16 +353,20 @@ wxString wxRegKey::GetName(bool bShortPrefix) const
 bool wxRegKey::Open()
 {
   if ( IsOpened() )
 bool wxRegKey::Open()
 {
   if ( IsOpened() )

-    return true;
+    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 ) {
   if ( m_dwLastError != ERROR_SUCCESS ) {

-    wxLogSysError(m_dwLastError, "can't open registry key '%s'", 
+    wxLogSysError(m_dwLastError, _("can't open registry key '%s'"),

                   GetName().c_str());
                   GetName().c_str());

-    return false;
+    return FALSE;

   }
   else
   }
   else

-    return true;
+  {
+    m_hKey = (WXHKEY) tmpKey;
+    return TRUE;
+  }

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


@@ -318,40 +374,44 @@ bool wxRegKey::Create(bool bOkIfExists)
 {
   // check for existence only if asked (i.e. order is important!)
   if ( !bOkIfExists && Exists() ) {
 {
   // check for existence only if asked (i.e. order is important!)
   if ( !bOkIfExists && Exists() ) {

-    return false;
+    return FALSE;

   }
 
   if ( IsOpened() )
   }
 
   if ( IsOpened() )

-    return true;
+    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 ) {
   if ( m_dwLastError != ERROR_SUCCESS ) {

-    wxLogSysError(m_dwLastError, "can't create registry key '%s'", 
+    wxLogSysError(m_dwLastError, _("can't create registry key '%s'"),

                   GetName().c_str());
                   GetName().c_str());

-    return false;
+    return FALSE;

   }
   else
   }
   else

-    return true;
+  {
+    m_hKey = (WXHKEY) tmpKey;
+    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 ) {
     if ( m_dwLastError != ERROR_SUCCESS ) {

-      wxLogSysError(m_dwLastError, "can't close registry key '%s'", 
+      wxLogSysError(m_dwLastError, _("can't close registry key '%s'"),

                     GetName().c_str());
 
       m_hKey = 0;
                     GetName().c_str());
 
       m_hKey = 0;

-      return false;
+      return FALSE;

     }
     else {
       m_hKey = 0;
     }
   }
 
     }
     else {
       m_hKey = 0;
     }
   }
 

-  return true;
+  return TRUE;

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


@@ -367,6 +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;


@@ -380,8 +452,8 @@ bool wxRegKey::DeleteSelf()
     bCont = GetNextKey(strKey, lIndex);
   }
 
     bCont = GetNextKey(strKey, lIndex);
   }
 

-  uint nKeyCount = astrSubkeys.Count();
-  for ( uint nKey = 0; nKey < nKeyCount; nKey++ ) {
+  size_t nKeyCount = astrSubkeys.Count();
+  for ( size_t nKey = 0; nKey < nKeyCount; nKey++ ) {

     wxRegKey key(*this, astrSubkeys[nKey]);
     if ( !key.DeleteSelf() )
       return FALSE;
     wxRegKey key(*this, astrSubkeys[nKey]);
     if ( !key.DeleteSelf() )
       return FALSE;


@@ -390,9 +462,10 @@ 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 ) {
   if ( m_dwLastError != ERROR_SUCCESS ) {

-    wxLogSysError(m_dwLastError, "can't delete key '%s'", GetName().c_str());
+    wxLogSysError(m_dwLastError, _("can't delete key '%s'"),
+                  GetName().c_str());

     return FALSE;
   }
 
     return FALSE;
   }
 


@@ -402,7 +475,7 @@ bool wxRegKey::DeleteSelf()
 bool wxRegKey::DeleteKey(const char *szKey)
 {
   if ( !Open() )
 bool wxRegKey::DeleteKey(const char *szKey)
 {
   if ( !Open() )

-    return false;
+    return FALSE;

 
   wxRegKey key(*this, szKey);
   return key.DeleteSelf();
 
   wxRegKey key(*this, szKey);
   return key.DeleteSelf();


@@ -411,80 +484,89 @@ bool wxRegKey::DeleteKey(const char *szKey)
 bool wxRegKey::DeleteValue(const char *szValue)
 {
   if ( !Open() )
 bool wxRegKey::DeleteValue(const char *szValue)
 {
   if ( !Open() )

-    return false;
+    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 ) {
     if ( m_dwLastError != ERROR_SUCCESS ) {

-      wxLogSysError(m_dwLastError, "can't delete value '%s' from key '%s'",
+      wxLogSysError(m_dwLastError, _("can't delete value '%s' from key '%s'"),

                     szValue, GetName().c_str());
                     szValue, GetName().c_str());

-      return false;
+      return FALSE;

     }
   #else   //WIN16
     // named registry values don't exist in Win16 world
     wxASSERT( IsEmpty(szValue) );
 
     // just set the (default and unique) value of the key to ""
     }
   #else   //WIN16
     // named registry values don't exist in Win16 world
     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 ) {
     if ( m_dwLastError != ERROR_SUCCESS ) {

-      wxLogSysError(m_dwLastError, "can't delete value of key '%s'", 
+      wxLogSysError(m_dwLastError, _("can't delete value of key '%s'"),

                     GetName().c_str());
                     GetName().c_str());

-      return false;
+      return FALSE;

     }
   #endif  //WIN16/32
 
     }
   #endif  //WIN16/32
 

-  return true;
+  return TRUE;

 }
 
 // ----------------------------------------------------------------------------
 // access to values and subkeys
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // access to values and subkeys
 // ----------------------------------------------------------------------------
 

-// return true if value exists
+// return TRUE if value exists

 bool wxRegKey::HasValue(const char *szValue) const
 {
 bool wxRegKey::HasValue(const char *szValue) const
 {

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

   #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

-      return false;
+      return FALSE;

   #else   // WIN16
     // only unnamed value exists
     return IsEmpty(szValue);
   #endif  // WIN16/32
 }
 
   #else   // WIN16
     // only unnamed value exists
     return IsEmpty(szValue);
   #endif  // WIN16/32
 }
 

-// returns true if this key has any subkeys
+// returns TRUE if this key has any subkeys

 bool wxRegKey::HasSubkeys() const
 {
 bool wxRegKey::HasSubkeys() const
 {

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

   // just call GetFirstKey with dummy parameters
   wxString str;
   long     l;
   return CONST_CAST GetFirstKey(str, l);
 }
 
   // just call GetFirstKey with dummy parameters
   wxString str;
   long     l;
   return CONST_CAST GetFirstKey(str, l);
 }
 

-// returns true if given subkey exists
+// returns TRUE if given subkey exists

 bool wxRegKey::HasSubKey(const char *szKey) const
 {
 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
   if ( CONST_CAST Open() )
     return KeyExists(m_hKey, szKey);
   else

-    return false;
+    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 ) {
                                     &dwType, NULL, NULL);
     if ( m_dwLastError != ERROR_SUCCESS ) {

-      wxLogSysError(m_dwLastError, "can't read value of key '%s'", 
+      wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),

                     GetName().c_str());
       return Type_None;
     }
                     GetName().c_str());
       return Type_None;
     }


@@ -498,16 +580,21 @@ 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 )
                                   (RegString)&lValue, sizeof(lValue));
     if ( m_dwLastError == ERROR_SUCCESS )

-      return true;
+      return TRUE;

   }
 
   }
 

-  wxLogSysError(m_dwLastError, "can't set value of '%s'", 
+  wxLogSysError(m_dwLastError, _("can't set value of '%s'"),

                 GetFullName(this, szValue));
                 GetFullName(this, szValue));

-  return false;
+  return FALSE;
+#endif

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


@@ -515,23 +602,23 @@ 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 ) {
                                     &dwType, pBuf, &dwSize);
     if ( m_dwLastError != ERROR_SUCCESS ) {

-      wxLogSysError(m_dwLastError, "can't read value of key '%s'", 
+      wxLogSysError(m_dwLastError, _("can't read value of key '%s'"),

                     GetName().c_str());
                     GetName().c_str());

-      return false;
+      return FALSE;

     }
     else {
       // check that we read the value of right type
       wxASSERT_MSG( dwType == REG_DWORD, 
                     "Type mismatch in wxRegKey::QueryValue()."  );
 
     }
     else {
       // check that we read the value of right type
       wxASSERT_MSG( dwType == REG_DWORD, 
                     "Type mismatch in wxRegKey::QueryValue()."  );
 

-      return true;
+      return TRUE;

     }
   }
   else
     }
   }
   else

-    return false;
+    return FALSE;

 }
 
 #endif  //Win32
 }
 
 #endif  //Win32


@@ -542,57 +629,59 @@ 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);
                                         &dwType, pBuf, &dwSize);

+        strValue.UngetWriteBuf();

         if ( m_dwLastError == ERROR_SUCCESS ) {
           // check that it was the right type
           wxASSERT_MSG( dwType == REG_SZ, 
                         "Type mismatch in wxRegKey::QueryValue()." );
 
         if ( m_dwLastError == ERROR_SUCCESS ) {
           // check that it was the right type
           wxASSERT_MSG( dwType == REG_SZ, 
                         "Type mismatch in wxRegKey::QueryValue()." );
 

-          return true;
+          return TRUE;

         }
       }
     #else   //WIN16
       // named registry values don't exist in Win16
       wxASSERT( IsEmpty(szValue) );
 
         }
       }
     #else   //WIN16
       // 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 )
       if ( m_dwLastError == ERROR_SUCCESS )

-        return true;
+        return TRUE;

     #endif  //WIN16/32
   }
 
     #endif  //WIN16/32
   }
 

-  wxLogSysError(m_dwLastError, "can't read value of '%s'", 
+  wxLogSysError(m_dwLastError, _("can't read value of '%s'"),

                 GetFullName(this, szValue));
                 GetFullName(this, szValue));

-  return false;
+  return FALSE;

 }
 
 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 )

-        return true;
+        return TRUE;

     #else   //WIN16
       // named registry values don't exist in Win16
       wxASSERT( IsEmpty(szValue) );
 
     #else   //WIN16
       // 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 )
       if ( m_dwLastError == ERROR_SUCCESS )

-        return true;
+        return TRUE;

     #endif  //WIN16/32
   }
 
     #endif  //WIN16/32
   }
 

-  wxLogSysError(m_dwLastError, "can't set value of '%s'", 
+  wxLogSysError(m_dwLastError, _("can't set value of '%s'"),

                 GetFullName(this, szValue));
                 GetFullName(this, szValue));

-  return false;
+  return FALSE;

 }
 
 wxRegKey::operator wxString() const
 }
 
 wxRegKey::operator wxString() const


@@ -611,7 +700,7 @@ wxRegKey::operator wxString() const
 bool wxRegKey::GetFirstValue(wxString& strValueName, long& lIndex)
 {
   if ( !Open() )
 bool wxRegKey::GetFirstValue(wxString& strValueName, long& lIndex)
 {
   if ( !Open() )

-    return false;
+    return FALSE;

 
   lIndex = 0;
   return GetNextValue(strValueName, lIndex);
 
   lIndex = 0;
   return GetNextValue(strValueName, lIndex);


@@ -623,14 +712,14 @@ bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const
 
   // are we already at the end of enumeration?
   if ( lIndex == -1 )
 
   // are we already at the end of enumeration?
   if ( lIndex == -1 )

-    return false;
+    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 


@@ -643,11 +732,11 @@ bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const
         lIndex = -1;
       }
       else {
         lIndex = -1;
       }
       else {

-        wxLogSysError(m_dwLastError, "can't enumerate values of key '%s'", 
+        wxLogSysError(m_dwLastError, _("can't enumerate values of key '%s'"),

                       GetName().c_str());
       }
 
                       GetName().c_str());
       }
 

-      return false;
+      return FALSE;

     }
 
     strValueName = szValueName;
     }
 
     strValueName = szValueName;


@@ -659,13 +748,13 @@ bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const
     strValueName.Empty();
   #endif
 
     strValueName.Empty();
   #endif
 

-  return true;
+  return TRUE;

 }
 
 bool wxRegKey::GetFirstKey(wxString& strKeyName, long& lIndex)
 {
   if ( !Open() )
 }
 
 bool wxRegKey::GetFirstKey(wxString& strKeyName, long& lIndex)
 {
   if ( !Open() )

-    return false;
+    return FALSE;

 
   lIndex = 0;
   return GetNextKey(strKeyName, lIndex);
 
   lIndex = 0;
   return GetNextKey(strKeyName, lIndex);


@@ -677,10 +766,10 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const
 
   // are we already at the end of enumeration?
   if ( lIndex == -1 )
 
   // are we already at the end of enumeration?
   if ( lIndex == -1 )

-    return false;
+    return FALSE;

 
   char szKeyName[_MAX_PATH + 1];
 
   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 ) {


@@ -688,29 +777,44 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const
       lIndex = -1;
     }
     else {
       lIndex = -1;
     }
     else {

-      wxLogSysError(m_dwLastError, "can't enumerate subkeys of key '%s'", 
+      wxLogSysError(m_dwLastError, _("can't enumerate subkeys of key '%s'"),

                     GetName().c_str());
     }
 
                     GetName().c_str());
     }
 

-    return false;
+    return FALSE;

   }
 
   strKeyName = szKeyName;
   }
 
   strKeyName = szKeyName;

-  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 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);
     RegCloseKey(hkeyDummy);

-    return true;
+    return TRUE;

   }
   else
   }
   else

-    return false;
+    return FALSE;

 }
 
 const char *GetFullName(const wxRegKey *pKey, const char *szValue)
 }
 
 const char *GetFullName(const wxRegKey *pKey, const char *szValue)


@@ -728,3 +832,7 @@ void RemoveTrailingSeparator(wxString& str)
   if ( !str.IsEmpty() && str.Last() == REG_SEPARATOR )
     str.Truncate(str.Len() - 1);
 }
   if ( !str.IsEmpty() && str.Last() == REG_SEPARATOR )
     str.Truncate(str.Len() - 1);
 }

+
+#endif
+  // __WIN16__
+