Add some version checks to help compiling on OSX.

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

diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp
index 674ebaf3a3ae2abf7f9ab450e430ac404fb99cf2..83d11c2769845d5b465d17285fe780b61e5ff63d 100644 (file)
--- a/src/msw/registry.cpp
+++ b/src/msw/registry.cpp
@@ -19,13 +19,18 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_REGKEY
+

 #ifndef WX_PRECOMP
     #include "wx/msw/wrapwin.h"
     #include "wx/string.h"
     #include "wx/intl.h"
     #include "wx/log.h"
 #ifndef WX_PRECOMP
     #include "wx/msw/wrapwin.h"
     #include "wx/string.h"
     #include "wx/intl.h"
     #include "wx/log.h"

+    #include "wx/crt.h"
+    #include "wx/utils.h"

 #endif
 
 #endif
 

+#include "wx/dynlib.h"

 #include "wx/file.h"
 #include "wx/wfstream.h"
 
 #include "wx/file.h"
 #include "wx/wfstream.h"
 


@@ -63,6 +68,10 @@ typedef BYTE* RegBinary;
     #define HKEY_DYN_DATA ((HKEY)0x80000006)
 #endif
 
     #define HKEY_DYN_DATA ((HKEY)0x80000006)
 #endif
 

+#ifndef KEY_WOW64_64KEY
+    #define KEY_WOW64_64KEY 0x0100
+#endif
+

 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------


@@ -111,11 +120,28 @@ 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(WXHKEY hRootKey, const wxChar *szKey);
+static bool KeyExists(
+    WXHKEY hRootKey,
+    const wxString& szKey,
+    wxRegKey::WOW64ViewMode viewMode = wxRegKey::WOW64ViewMode_Default);
+
+// return the WOW64 registry view flag which can be used with MSW registry
+// functions for opening the key in the specified view
+static long GetMSWViewFlags(wxRegKey::WOW64ViewMode viewMode);

 
 

-// combines value and key name (uses static buffer!)
-static const wxChar *GetFullName(const wxRegKey *pKey,
-                               const wxChar *szValue = NULL);
+// return the access rights which can be used with MSW registry functions for
+// opening the key in the specified mode
+static long
+GetMSWAccessFlags(wxRegKey::AccessMode mode, wxRegKey::WOW64ViewMode viewMode);
+
+// combines value and key name
+static wxString GetFullName(const wxRegKey *pKey);
+static wxString GetFullName(const wxRegKey *pKey, const wxString& szValue);
+
+// returns "value" argument of wxRegKey methods converted into a value that can
+// be passed to win32 registry functions; specifically, converts empty string
+// to NULL
+static inline const wxChar *RegValueStr(const wxString& szValue);

 
 // ============================================================================
 // implementation of wxRegKey class
 
 // ============================================================================
 // implementation of wxRegKey class


@@ -187,14 +213,15 @@ wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(WXHKEY hkey)
 // ctors and dtor
 // ----------------------------------------------------------------------------
 
 // ctors and dtor
 // ----------------------------------------------------------------------------
 

-wxRegKey::wxRegKey()
+wxRegKey::wxRegKey(WOW64ViewMode viewMode) : m_viewMode(viewMode)

 {
   m_hRootKey = (WXHKEY) aStdKeys[HKCR].hkey;
 
   Init();
 }
 
 {
   m_hRootKey = (WXHKEY) aStdKeys[HKCR].hkey;
 
   Init();
 }
 

-wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
+wxRegKey::wxRegKey(const wxString& strKey, WOW64ViewMode viewMode)
+    : m_strKey(strKey), m_viewMode(viewMode)

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


@@ -202,7 +229,10 @@ wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
 }
 
 // parent is a predefined (and preopened) key
 }
 
 // parent is a predefined (and preopened) key

-wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey)
+wxRegKey::wxRegKey(StdKey keyParent,
+                   const wxString& strKey,
+                   WOW64ViewMode viewMode)
+    : m_strKey(strKey), m_viewMode(viewMode)

 {
   RemoveTrailingSeparator(m_strKey);
   m_hRootKey  = (WXHKEY) aStdKeys[keyParent].hkey;
 {
   RemoveTrailingSeparator(m_strKey);
   m_hRootKey  = (WXHKEY) aStdKeys[keyParent].hkey;


@@ -212,7 +242,7 @@ wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey)
 
 // parent is a normal regkey
 wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey)
 
 // parent is a normal regkey
 wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey)

-        : m_strKey(keyParent.m_strKey)
+    : m_strKey(keyParent.m_strKey), m_viewMode(keyParent.GetView())

 {
   // combine our name with parent's to get the full name
   if ( !m_strKey.empty() &&
 {
   // combine our name with parent's to get the full name
   if ( !m_strKey.empty() &&


@@ -286,6 +316,18 @@ void wxRegKey::SetHkey(WXHKEY hKey)
   Close();
 
   m_hKey = hKey;
   Close();
 
   m_hKey = hKey;

+
+  // we don't know the parent of this key, assume HKLM by default
+  m_hRootKey = HKEY_LOCAL_MACHINE;
+
+  // we don't know in which mode was this key opened but we can't reopen it
+  // anyhow because we don't know its name, so the only thing we can is to hope
+  // that it allows all the operations which we're going to perform on it
+  m_mode = Write;
+
+  // reset old data
+  m_strKey.empty();
+  m_dwLastError = 0;

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


@@ -296,7 +338,9 @@ void wxRegKey::SetHkey(WXHKEY hKey)
 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, m_viewMode);

 }
 
 // returns the full name of the key (prefix is abbreviated if bShortPrefix)
 }
 
 // returns the full name of the key (prefix is abbreviated if bShortPrefix)


@@ -306,7 +350,7 @@ wxString wxRegKey::GetName(bool bShortPrefix) const
   wxString str = bShortPrefix ? aStdKeys[key].szShortName
                               : aStdKeys[key].szName;
   if ( !m_strKey.empty() )
   wxString str = bShortPrefix ? aStdKeys[key].szShortName
                               : aStdKeys[key].szName;
   if ( !m_strKey.empty() )

-    str << _T("\\") << m_strKey;
+    str << wxT("\\") << m_strKey;

 
   return str;
 }
 
   return str;
 }


@@ -316,36 +360,57 @@ bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
                           size_t *pnValues,
                           size_t *pnMaxValueLen) const
 {
                           size_t *pnValues,
                           size_t *pnMaxValueLen) const
 {

-    // old gcc headers incorrectly prototype RegQueryInfoKey()
-#if defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)
-    #define REG_PARAM   (size_t *)
-#else
-    #define REG_PARAM   (LPDWORD)
+  // it might be unexpected to some that this function doesn't open the key
+  wxASSERT_MSG( IsOpened(), wxT("key should be opened in GetKeyInfo") );
+
+  // We need to use intermediate variables in 64 bit build as the function
+  // parameters must be 32 bit DWORDs and not 64 bit size_t values.
+#ifdef __WIN64__
+  DWORD dwSubKeys = 0,
+        dwMaxKeyLen = 0,
+        dwValues = 0,
+        dwMaxValueLen = 0;
+
+  #define REG_PARAM(name) &dw##name
+#else // Win32
+  // Old gcc headers incorrectly prototype RegQueryInfoKey() as taking
+  // size_t but normally we need a cast, even when sizeof(size_t) is the same
+  // as sizeof(DWORD).
+  #if defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)
+    #define REG_PARAM(name) pn##name
+  #else
+    #define REG_PARAM(name)   (LPDWORD)(pn##name)
+  #endif

 #endif
 
 #endif
 

-  // it might be unexpected to some that this function doesn't open the key
-  wxASSERT_MSG( IsOpened(), _T("key should be opened in GetKeyInfo") );

 
   m_dwLastError = ::RegQueryInfoKey
                   (
                     (HKEY) m_hKey,
 
   m_dwLastError = ::RegQueryInfoKey
                   (
                     (HKEY) m_hKey,

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

                     RESERVED,
                     RESERVED,

-                    REG_PARAM
-                    pnSubKeys,      // [out] number of subkeys
-                    REG_PARAM
-                    pnMaxKeyLen,    // [out] max length of a subkey name
-                    NULL,           // longest subkey class name
-                    REG_PARAM
-                    pnValues,       // [out] number of values
-                    REG_PARAM
-                    pnMaxValueLen,  // [out] max length of a value name
-                    NULL,           // longest value data
-                    NULL,           // security descriptor
-                    NULL            // time of last modification
+                    REG_PARAM(SubKeys),     // [out] number of subkeys
+                    REG_PARAM(MaxKeyLen),   // [out] max length of a subkey name
+                    NULL,                   // longest subkey class name
+                    REG_PARAM(Values),      // [out] number of values
+                    REG_PARAM(MaxValueLen), // [out] max length of a value name
+                    NULL,                   // longest value data
+                    NULL,                   // security descriptor
+                    NULL                    // time of last modification

                   );
 
                   );
 

+#ifdef __WIN64__
+  if ( pnSubKeys )
+    *pnSubKeys = dwSubKeys;
+  if ( pnMaxKeyLen )
+    *pnMaxKeyLen = dwMaxKeyLen;
+  if ( pnValues )
+    *pnValues = dwValues;
+  if ( pnMaxValueLen )
+    *pnMaxValueLen = dwMaxValueLen;
+#endif // __WIN64__
+

 #undef REG_PARAM
 
   if ( m_dwLastError != ERROR_SUCCESS ) {
 #undef REG_PARAM
 
   if ( m_dwLastError != ERROR_SUCCESS ) {


@@ -377,9 +442,9 @@ bool wxRegKey::Open(AccessMode mode)
     m_dwLastError = ::RegOpenKeyEx
                     (
                         (HKEY) m_hRootKey,
     m_dwLastError = ::RegOpenKeyEx
                     (
                         (HKEY) m_hRootKey,

-                        m_strKey,
+                        m_strKey.t_str(),

                         RESERVED,
                         RESERVED,

-                        mode == Read ? KEY_READ : KEY_ALL_ACCESS,
+                        GetMSWAccessFlags(mode, m_viewMode),

                         &tmpKey
                     );
 
                         &tmpKey
                     );
 


@@ -407,19 +472,17 @@ bool wxRegKey::Create(bool bOkIfExists)
     return true;
 
   HKEY tmpKey;
     return true;
 
   HKEY tmpKey;

-#ifdef __WXWINCE__

   DWORD disposition;
   DWORD disposition;

-  m_dwLastError = RegCreateKeyEx((HKEY) m_hRootKey, m_strKey,
-      NULL, // reserved
-      NULL, // class string
-      0,
-      0,
-      NULL,
+  // Minimum supported OS for RegCreateKeyEx: Win 95, Win NT 3.1, Win CE 1.0
+  m_dwLastError = RegCreateKeyEx((HKEY) m_hRootKey, m_strKey.t_str(),
+      0,    // reserved and must be 0
+      NULL, // The user-defined class type of this key.
+      REG_OPTION_NON_VOLATILE, // supports other values as well; see MS docs
+      GetMSWAccessFlags(wxRegKey::Write, m_viewMode),
+      NULL, // pointer to a SECURITY_ATTRIBUTES structure

       &tmpKey,
       &disposition);
       &tmpKey,
       &disposition);

-#else
-  m_dwLastError = RegCreateKey((HKEY) m_hRootKey, m_strKey, &tmpKey);
-#endif
+

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


@@ -450,7 +513,8 @@ bool wxRegKey::Close()
   return true;
 }
 
   return true;
 }
 

-bool wxRegKey::RenameValue(const wxChar *szValueOld, const wxChar *szValueNew)
+bool
+wxRegKey::RenameValue(const wxString& szValueOld, const wxString& szValueNew)

 {
     bool ok = true;
     if ( HasValue(szValueNew) ) {
 {
     bool ok = true;
     if ( HasValue(szValueNew) ) {


@@ -471,13 +535,14 @@ bool wxRegKey::RenameValue(const wxChar *szValueOld, const wxChar *szValueNew)
     return true;
 }
 
     return true;
 }
 

-bool wxRegKey::CopyValue(const wxChar *szValue,
+bool wxRegKey::CopyValue(const wxString& szValue,

                          wxRegKey& keyDst,
                          wxRegKey& keyDst,

-                         const wxChar *szValueNew)
+                         const wxString& szValueNew)

 {
 {

-    if ( !szValueNew ) {
+    wxString valueNew(szValueNew);
+    if ( valueNew.empty() ) {

         // by default, use the same name
         // by default, use the same name

-        szValueNew = szValue;
+        valueNew = szValue;

     }
 
     switch ( GetValueType(szValue) ) {
     }
 
     switch ( GetValueType(szValue) ) {


@@ -485,7 +550,7 @@ bool wxRegKey::CopyValue(const wxChar *szValue,
             {
                 wxString strVal;
                 return QueryValue(szValue, strVal) &&
             {
                 wxString strVal;
                 return QueryValue(szValue, strVal) &&

-                       keyDst.SetValue(szValueNew, strVal);
+                       keyDst.SetValue(valueNew, strVal);

             }
 
         case Type_Dword:
             }
 
         case Type_Dword:


@@ -493,14 +558,14 @@ bool wxRegKey::CopyValue(const wxChar *szValue,
             {
                 long dwVal;
                 return QueryValue(szValue, &dwVal) &&
             {
                 long dwVal;
                 return QueryValue(szValue, &dwVal) &&

-                       keyDst.SetValue(szValueNew, dwVal);
+                       keyDst.SetValue(valueNew, dwVal);

             }
 
         case Type_Binary:
         {
             wxMemoryBuffer buf;
             return QueryValue(szValue,buf) &&
             }
 
         case Type_Binary:
         {
             wxMemoryBuffer buf;
             return QueryValue(szValue,buf) &&

-                   keyDst.SetValue(szValueNew,buf);
+                   keyDst.SetValue(valueNew,buf);

         }
 
         // these types are unsupported because I am not sure about how
         }
 
         // these types are unsupported because I am not sure about how


@@ -522,9 +587,9 @@ bool wxRegKey::CopyValue(const wxChar *szValue,
     }
 }
 
     }
 }
 

-bool wxRegKey::Rename(const wxChar *szNewName)
+bool wxRegKey::Rename(const wxString& szNewName)

 {
 {

-    wxCHECK_MSG( !m_strKey.empty(), false, _T("registry hives can't be renamed") );
+    wxCHECK_MSG( !m_strKey.empty(), false, wxT("registry hives can't be renamed") );

 
     if ( !Exists() ) {
         wxLogError(_("Registry key '%s' does not exist, cannot rename it."),
 
     if ( !Exists() ) {
         wxLogError(_("Registry key '%s' does not exist, cannot rename it."),


@@ -577,7 +642,7 @@ bool wxRegKey::Rename(const wxChar *szNewName)
     return ok;
 }
 
     return ok;
 }
 

-bool wxRegKey::Copy(const wxChar *szNewName)
+bool wxRegKey::Copy(const wxString& szNewName)

 {
     // create the new key first
     wxRegKey keyDst(szNewName);
 {
     // create the new key first
     wxRegKey keyDst(szNewName);


@@ -606,7 +671,7 @@ bool wxRegKey::Copy(wxRegKey& keyDst)
         wxRegKey key(*this, strKey);
         wxString keyName;
         keyName << GetFullName(&keyDst) << REG_SEPARATOR << strKey;
         wxRegKey key(*this, strKey);
         wxString keyName;
         keyName << GetFullName(&keyDst) << REG_SEPARATOR << strKey;

-        ok = key.Copy((const wxChar*) keyName);
+        ok = key.Copy(keyName);

 
         if ( ok )
             bCont = GetNextKey(strKey, lIndex);
 
         if ( ok )
             bCont = GetNextKey(strKey, lIndex);


@@ -688,8 +753,25 @@ bool wxRegKey::DeleteSelf()
   // now delete this key itself
   Close();
 
   // now delete this key itself
   Close();
 

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

   // deleting a key which doesn't exist is not considered an error
   // deleting a key which doesn't exist is not considered an error

+#if wxUSE_DYNLIB_CLASS
+  wxDynamicLibrary dllAdvapi32(wxT("advapi32"));
+  // Minimum supported OS for RegDeleteKeyEx: Vista, XP Pro x64, Win Server 2008, Win Server 2003 SP1
+  if(dllAdvapi32.HasSymbol(wxT("RegDeleteKeyEx")))
+  {
+    typedef LONG (WINAPI *RegDeleteKeyEx_t)(HKEY, LPCTSTR, REGSAM, DWORD);
+    wxDYNLIB_FUNCTION(RegDeleteKeyEx_t, RegDeleteKeyEx, dllAdvapi32);
+
+    m_dwLastError = (*pfnRegDeleteKeyEx)((HKEY) m_hRootKey, m_strKey.t_str(),
+        GetMSWViewFlags(m_viewMode),
+        0);    // This parameter is reserved and must be zero.
+  }
+  else
+#endif // wxUSE_DYNLIB_CLASS
+  {
+    m_dwLastError = RegDeleteKey((HKEY) m_hRootKey, m_strKey.t_str());
+  }
+

   if ( m_dwLastError != ERROR_SUCCESS &&
           m_dwLastError != ERROR_FILE_NOT_FOUND ) {
     wxLogSysError(m_dwLastError, _("Can't delete key '%s'"),
   if ( m_dwLastError != ERROR_SUCCESS &&
           m_dwLastError != ERROR_FILE_NOT_FOUND ) {
     wxLogSysError(m_dwLastError, _("Can't delete key '%s'"),


@@ -700,7 +782,7 @@ bool wxRegKey::DeleteSelf()
   return true;
 }
 
   return true;
 }
 

-bool wxRegKey::DeleteKey(const wxChar *szKey)
+bool wxRegKey::DeleteKey(const wxString& szKey)

 {
   if ( !Open() )
     return false;
 {
   if ( !Open() )
     return false;


@@ -709,12 +791,12 @@ bool wxRegKey::DeleteKey(const wxChar *szKey)
   return key.DeleteSelf();
 }
 
   return key.DeleteSelf();
 }
 

-bool wxRegKey::DeleteValue(const wxChar *szValue)
+bool wxRegKey::DeleteValue(const wxString& szValue)

 {
     if ( !Open() )
         return false;
 
 {
     if ( !Open() )
         return false;
 

-    m_dwLastError = RegDeleteValue((HKEY) m_hKey, WXSTRINGCAST szValue);
+    m_dwLastError = RegDeleteValue((HKEY) m_hKey, RegValueStr(szValue));

 
     // deleting a value which doesn't exist is not considered an error
     if ( (m_dwLastError != ERROR_SUCCESS) &&
 
     // deleting a value which doesn't exist is not considered an error
     if ( (m_dwLastError != ERROR_SUCCESS) &&


@@ -733,7 +815,7 @@ bool wxRegKey::DeleteValue(const wxChar *szValue)
 // ----------------------------------------------------------------------------
 
 // return true if value exists
 // ----------------------------------------------------------------------------
 
 // return true if value exists

-bool wxRegKey::HasValue(const wxChar *szValue) const
+bool wxRegKey::HasValue(const wxString& szValue) const

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


@@ -742,7 +824,7 @@ bool wxRegKey::HasValue(const wxChar *szValue) const
         return false;
 
     LONG dwRet = ::RegQueryValueEx((HKEY) m_hKey,
         return false;
 
     LONG dwRet = ::RegQueryValueEx((HKEY) m_hKey,

-                                   WXSTRINGCAST szValue,
+                                   RegValueStr(szValue),

                                    RESERVED,
                                    NULL, NULL, NULL);
     return dwRet == ERROR_SUCCESS;
                                    RESERVED,
                                    NULL, NULL, NULL);
     return dwRet == ERROR_SUCCESS;


@@ -773,7 +855,7 @@ bool wxRegKey::HasSubkeys() const
 }
 
 // returns true if given subkey exists
 }
 
 // returns true if given subkey exists

-bool wxRegKey::HasSubKey(const wxChar *szKey) const
+bool wxRegKey::HasSubKey(const wxString& szKey) const

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


@@ -781,16 +863,16 @@ bool wxRegKey::HasSubKey(const wxChar *szKey) const
   if ( !CONST_CAST Open(Read) )
     return false;
 
   if ( !CONST_CAST Open(Read) )
     return false;
 

-  return KeyExists(m_hKey, szKey);
+  return KeyExists(m_hKey, szKey, m_viewMode);

 }
 
 }
 

-wxRegKey::ValueType wxRegKey::GetValueType(const wxChar *szValue) const
+wxRegKey::ValueType wxRegKey::GetValueType(const wxString& szValue) const

 {
     if ( ! CONST_CAST Open(Read) )
       return Type_None;
 
     DWORD dwType;
 {
     if ( ! CONST_CAST Open(Read) )
       return Type_None;
 
     DWORD dwType;

-    m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
+    m_dwLastError = RegQueryValueEx((HKEY) m_hKey, RegValueStr(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'"),


@@ -801,10 +883,11 @@ wxRegKey::ValueType wxRegKey::GetValueType(const wxChar *szValue) const
     return (ValueType)dwType;
 }
 
     return (ValueType)dwType;
 }
 

-bool wxRegKey::SetValue(const wxChar *szValue, long lValue)
+bool wxRegKey::SetValue(const wxString& szValue, long lValue)

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

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


@@ -815,12 +898,13 @@ bool wxRegKey::SetValue(const wxChar *szValue, long lValue)
   return false;
 }
 
   return false;
 }
 

-bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const
+bool wxRegKey::QueryValue(const wxString& szValue, long *plValue) const

 {
   if ( CONST_CAST Open(Read) ) {
     DWORD dwType, dwSize = sizeof(DWORD);
     RegString pBuf = (RegString)plValue;
 {
   if ( CONST_CAST Open(Read) ) {
     DWORD dwType, dwSize = sizeof(DWORD);
     RegString pBuf = (RegString)plValue;

-    m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
+    m_dwLastError = RegQueryValueEx((HKEY) m_hKey, RegValueStr(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'"),


@@ -839,14 +923,15 @@ bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const
     return false;
 }
 
     return false;
 }
 

-bool wxRegKey::SetValue(const wxChar *szValue,const wxMemoryBuffer& buffer)
+bool wxRegKey::SetValue(const wxString& szValue, const wxMemoryBuffer& buffer)

 {
 #ifdef __TWIN32__
   wxFAIL_MSG("RegSetValueEx not implemented by TWIN32");
   return false;
 #else
   if ( CONST_CAST Open() ) {
 {
 #ifdef __TWIN32__
   wxFAIL_MSG("RegSetValueEx not implemented by TWIN32");
   return false;
 #else
   if ( CONST_CAST Open() ) {

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

                                   (RegBinary)buffer.GetData(),buffer.GetDataLen());
     if ( m_dwLastError == ERROR_SUCCESS )
       return true;
                                   (RegBinary)buffer.GetData(),buffer.GetDataLen());
     if ( m_dwLastError == ERROR_SUCCESS )
       return true;


@@ -858,19 +943,20 @@ bool wxRegKey::SetValue(const wxChar *szValue,const wxMemoryBuffer& buffer)
 #endif
 }
 
 #endif
 }
 

-bool wxRegKey::QueryValue(const wxChar *szValue, wxMemoryBuffer& buffer) const
+bool wxRegKey::QueryValue(const wxString& szValue, wxMemoryBuffer& buffer) const

 {
   if ( CONST_CAST Open(Read) ) {
     // first get the type and size of the data
     DWORD dwType, dwSize;
 {
   if ( CONST_CAST Open(Read) ) {
     // first get the type and size of the data
     DWORD dwType, dwSize;

-    m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
-                                      &dwType, NULL, &dwSize);
+    m_dwLastError = RegQueryValueEx((HKEY) m_hKey, RegValueStr(szValue),
+                                    RESERVED,
+                                    &dwType, NULL, &dwSize);

 
     if ( m_dwLastError == ERROR_SUCCESS ) {
         if ( dwSize ) {
             const RegBinary pBuf = (RegBinary)buffer.GetWriteBuf(dwSize);
             m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
 
     if ( m_dwLastError == ERROR_SUCCESS ) {
         if ( dwSize ) {
             const RegBinary pBuf = (RegBinary)buffer.GetWriteBuf(dwSize);
             m_dwLastError = RegQueryValueEx((HKEY) m_hKey,

-                                            WXSTRINGCAST szValue,
+                                            RegValueStr(szValue),

                                             RESERVED,
                                             &dwType,
                                             pBuf,
                                             RESERVED,
                                             &dwType,
                                             pBuf,


@@ -894,7 +980,7 @@ bool wxRegKey::QueryValue(const wxChar *szValue, wxMemoryBuffer& buffer) const
 
 
 
 
 
 

-bool wxRegKey::QueryValue(const wxChar *szValue,
+bool wxRegKey::QueryValue(const wxString& szValue,

                           wxString& strValue,
                           bool WXUNUSED_IN_WINCE(raw)) const
 {
                           wxString& strValue,
                           bool WXUNUSED_IN_WINCE(raw)) const
 {


@@ -903,7 +989,9 @@ bool wxRegKey::QueryValue(const wxChar *szValue,
 
         // first get the type and size of the data
         DWORD dwType=REG_NONE, dwSize=0;
 
         // first get the type and size of the data
         DWORD dwType=REG_NONE, dwSize=0;

-        m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
+        m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
+                                        RegValueStr(szValue),
+                                        RESERVED,

                                         &dwType, NULL, &dwSize);
         if ( m_dwLastError == ERROR_SUCCESS )
         {
                                         &dwType, NULL, &dwSize);
         if ( m_dwLastError == ERROR_SUCCESS )
         {


@@ -916,7 +1004,7 @@ bool wxRegKey::QueryValue(const wxChar *szValue,
             else
             {
                 m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
             else
             {
                 m_dwLastError = RegQueryValueEx((HKEY) m_hKey,

-                                                WXSTRINGCAST szValue,
+                                                RegValueStr(szValue),

                                                 RESERVED,
                                                 &dwType,
                                                 (RegString)(wxChar*)wxStringBuffer(strValue, dwSize),
                                                 RESERVED,
                                                 &dwType,
                                                 (RegString)(wxChar*)wxStringBuffer(strValue, dwSize),


@@ -926,12 +1014,12 @@ bool wxRegKey::QueryValue(const wxChar *szValue,
 #ifndef __WXWINCE__
                 if ( (dwType == REG_EXPAND_SZ) && !raw )
                 {
 #ifndef __WXWINCE__
                 if ( (dwType == REG_EXPAND_SZ) && !raw )
                 {

-                    DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue, NULL, 0);
+                    DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue.t_str(), NULL, 0);

                     bool ok = dwExpSize != 0;
                     if ( ok )
                     {
                         wxString strExpValue;
                     bool ok = dwExpSize != 0;
                     if ( ok )
                     {
                         wxString strExpValue;

-                        ok = ::ExpandEnvironmentStrings(strValue,
+                        ok = ::ExpandEnvironmentStrings(strValue.t_str(),

                                                         wxStringBuffer(strExpValue, dwExpSize),
                                                         dwExpSize
                                                         ) != 0;
                                                         wxStringBuffer(strExpValue, dwExpSize),
                                                         dwExpSize
                                                         ) != 0;


@@ -940,7 +1028,7 @@ bool wxRegKey::QueryValue(const wxChar *szValue,
 
                     if ( !ok )
                     {
 
                     if ( !ok )
                     {

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

                     }
                 }
 #endif
                     }
                 }
 #endif


@@ -963,11 +1051,13 @@ bool wxRegKey::QueryValue(const wxChar *szValue,
     return false;
 }
 
     return false;
 }
 

-bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
+bool wxRegKey::SetValue(const wxString& szValue, const wxString& strValue)

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

-      m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_SZ,
-                                    (RegString)strValue.c_str(),
+      m_dwLastError = RegSetValueEx((HKEY) m_hKey,
+                                    RegValueStr(szValue),
+                                    (DWORD) RESERVED, REG_SZ,
+                                    (RegString)strValue.t_str(),

                                     (strValue.Len() + 1)*sizeof(wxChar));
       if ( m_dwLastError == ERROR_SUCCESS )
         return true;
                                     (strValue.Len() + 1)*sizeof(wxChar));
       if ( m_dwLastError == ERROR_SUCCESS )
         return true;


@@ -981,7 +1071,7 @@ bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
 wxString wxRegKey::QueryDefaultValue() const
 {
   wxString str;
 wxString wxRegKey::QueryDefaultValue() const
 {
   wxString str;

-  QueryValue(NULL, str);
+  QueryValue(wxEmptyString, str, false);

   return str;
 }
 
   return str;
 }
 


@@ -1081,7 +1171,7 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const
 }
 
 // returns true if the value contains a number (else it's some string)
 }
 
 // returns true if the value contains a number (else it's some string)

-bool wxRegKey::IsNumericValue(const wxChar *szValue) const
+bool wxRegKey::IsNumericValue(const wxString& szValue) const

 {
     ValueType type = GetValueType(szValue);
     switch ( type ) {
 {
     ValueType type = GetValueType(szValue);
     switch ( type ) {


@@ -1125,7 +1215,7 @@ static inline bool WriteAsciiString(wxOutputStream& ostr, const wxString& s)
     wxCharBuffer name(s.mb_str());
     ostr.Write(name, strlen(name));
 #else
     wxCharBuffer name(s.mb_str());
     ostr.Write(name, strlen(name));
 #else

-    ostr.Write(s, s.length());
+    ostr.Write(s.mb_str(), s.length());

 #endif
 
     return ostr.IsOk();
 #endif
 
     return ostr.IsOk();


@@ -1143,9 +1233,9 @@ bool wxRegKey::Export(const wxString& filename) const
         return false;
     }
 
         return false;
     }
 

-    wxFFileOutputStream ostr(filename, _T("w"));
+    wxFFileOutputStream ostr(filename, wxT("w"));

 
 

-    return ostr.Ok() && Export(ostr);
+    return ostr.IsOk() && Export(ostr);

 #else
     wxUnusedVar(filename);
     return false;
 #else
     wxUnusedVar(filename);
     return false;


@@ -1169,26 +1259,26 @@ FormatAsHex(const void *data,
             size_t size,
             wxRegKey::ValueType type = wxRegKey::Type_Binary)
 {
             size_t size,
             wxRegKey::ValueType type = wxRegKey::Type_Binary)
 {

-    wxString value(_T("hex"));
+    wxString value(wxT("hex"));

 
     // binary values use just "hex:" prefix while the other ones must indicate
     // the real type
     if ( type != wxRegKey::Type_Binary )
 
     // binary values use just "hex:" prefix while the other ones must indicate
     // the real type
     if ( type != wxRegKey::Type_Binary )

-        value << _T('(') << type << _T(')');
-    value << _T(':');
+        value << wxT('(') << type << wxT(')');
+    value << wxT(':');

 
     // write all the rest as comma-separated bytes
     value.reserve(3*size + 10);
 
     // write all the rest as comma-separated bytes
     value.reserve(3*size + 10);

-    const char * const p = wx_static_cast(const char *, data);
+    const char * const p = static_cast<const char *>(data);

     for ( size_t n = 0; n < size; n++ )
     {
         // TODO: line wrapping: although not required by regedit, this makes
         //       the generated files easier to read and compare with the files
         //       produced by regedit
         if ( n )
     for ( size_t n = 0; n < size; n++ )
     {
         // TODO: line wrapping: although not required by regedit, this makes
         //       the generated files easier to read and compare with the files
         //       produced by regedit
         if ( n )

-            value << _T(',');
+            value << wxT(',');

 
 

-        value << wxString::Format(_T("%02x"), (unsigned char)p[n]);
+        value << wxString::Format(wxT("%02x"), (unsigned char)p[n]);

     }
 
     return value;
     }
 
     return value;


@@ -1215,23 +1305,24 @@ wxString wxRegKey::FormatValue(const wxString& name) const
                 // quotes and backslashes must be quoted, linefeeds are not
                 // allowed in string values
                 rhs.reserve(value.length() + 2);
                 // quotes and backslashes must be quoted, linefeeds are not
                 // allowed in string values
                 rhs.reserve(value.length() + 2);

-                rhs = _T('"');
+                rhs = wxT('"');

 
                 // there can be no NULs here
                 bool useHex = false;
 
                 // there can be no NULs here
                 bool useHex = false;

-                for ( const wxChar *p = value.c_str(); *p && !useHex; p++ )
+                for ( wxString::const_iterator p = value.begin();
+                      p != value.end() && !useHex; ++p )

                 {
                 {

-                    switch ( *p )
+                    switch ( (*p).GetValue() )

                     {
                     {

-                        case _T('\n'):
+                        case wxT('\n'):

                             // we can only represent this string in hex
                             useHex = true;
                             break;
 
                             // we can only represent this string in hex
                             useHex = true;
                             break;
 

-                        case _T('"'):
-                        case _T('\\'):
+                        case wxT('"'):
+                        case wxT('\\'):

                             // escape special symbol
                             // escape special symbol

-                            rhs += _T('\\');
+                            rhs += wxT('\\');

                             // fall through
 
                         default:
                             // fall through
 
                         default:


@@ -1242,7 +1333,7 @@ wxString wxRegKey::FormatValue(const wxString& name) const
                 if ( useHex )
                     rhs = FormatAsHex(value, Type_String);
                 else
                 if ( useHex )
                     rhs = FormatAsHex(value, Type_String);
                 else

-                    rhs += _T('"');
+                    rhs += wxT('"');

             }
             break;
 
             }
             break;
 


@@ -1253,7 +1344,7 @@ wxString wxRegKey::FormatValue(const wxString& name) const
                 if ( !QueryValue(name, &value) )
                     break;
 
                 if ( !QueryValue(name, &value) )
                     break;
 

-                rhs.Printf(_T("dword:%08x"), (unsigned int)value);
+                rhs.Printf(wxT("dword:%08x"), (unsigned int)value);

             }
             break;
 
             }
             break;
 


@@ -1345,7 +1436,7 @@ bool wxRegKey::DoExport(wxOutputStream& ostr) const
     // dump all our values
     long dummy;
     wxString name;
     // dump all our values
     long dummy;
     wxString name;

-    wxRegKey& self = wx_const_cast(wxRegKey&, *this);
+    wxRegKey& self = const_cast<wxRegKey&>(*this);

     bool cont = self.GetFirstValue(name, dummy);
     while ( cont )
     {
     bool cont = self.GetFirstValue(name, dummy);
     while ( cont )
     {


@@ -1379,19 +1470,22 @@ bool wxRegKey::DoExport(wxOutputStream& ostr) const
 // implementation of global private functions
 // ============================================================================
 
 // implementation of global private functions
 // ============================================================================
 

-bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
+bool KeyExists(WXHKEY hRootKey,
+               const wxString& szKey,
+               wxRegKey::WOW64ViewMode viewMode)

 {
     // don't close this key itself for the case of empty szKey!
 {
     // don't close this key itself for the case of empty szKey!

-    if ( wxIsEmpty(szKey) )
+    if ( szKey.empty() )

         return true;
 
     HKEY hkeyDummy;
     if ( ::RegOpenKeyEx
          (
             (HKEY)hRootKey,
         return true;
 
     HKEY hkeyDummy;
     if ( ::RegOpenKeyEx
          (
             (HKEY)hRootKey,

-            szKey,
+            szKey.t_str(),

             RESERVED,
             RESERVED,

-            KEY_READ,        // we might not have enough rights for rw access
+            // we might not have enough rights for rw access
+            GetMSWAccessFlags(wxRegKey::Read, viewMode),

             &hkeyDummy
          ) == ERROR_SUCCESS )
     {
             &hkeyDummy
          ) == ERROR_SUCCESS )
     {


@@ -1403,18 +1497,72 @@ bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
     return false;
 }
 
     return false;
 }
 

-const wxChar *GetFullName(const wxRegKey *pKey, const wxChar *szValue)
+long GetMSWViewFlags(wxRegKey::WOW64ViewMode viewMode)
+{
+    long samWOW64ViewMode = 0;
+
+    switch ( viewMode )
+    {
+        case wxRegKey::WOW64ViewMode_32:
+#ifdef __WIN64__    // the flag is only needed by 64 bit apps
+            samWOW64ViewMode = KEY_WOW64_32KEY;
+#endif // Win64
+            break;
+
+        case wxRegKey::WOW64ViewMode_64:
+#ifndef __WIN64__   // the flag is only needed by 32 bit apps
+            // 64 bit registry can only be accessed under 64 bit platforms
+            if ( wxIsPlatform64Bit() )
+                samWOW64ViewMode = KEY_WOW64_64KEY;
+#endif // Win32
+            break;
+
+        default:
+            wxFAIL_MSG("Unknown registry view.");
+            // fall through
+
+        case wxRegKey::WOW64ViewMode_Default:
+            // Use default registry view for the current application,
+            // i.e. 32 bits for 32 bit ones and 64 bits for 64 bit apps
+            ;
+    }
+
+    return samWOW64ViewMode;
+}
+
+long GetMSWAccessFlags(wxRegKey::AccessMode mode,
+    wxRegKey::WOW64ViewMode viewMode)

 {
 {

-  static wxString s_str;
-  s_str = pKey->GetName();
-  if ( !wxIsEmpty(szValue) )
-    s_str << wxT("\\") << szValue;
+    long sam = mode == wxRegKey::Read ? KEY_READ : KEY_ALL_ACCESS;
+
+    sam |= GetMSWViewFlags(viewMode);

 
 

-  return s_str.c_str();
+    return sam;

 }
 
 }
 

-void RemoveTrailingSeparator(wxString& str)
+wxString GetFullName(const wxRegKey *pKey, const wxString& szValue)
+{
+  wxString str(pKey->GetName());
+  if ( !szValue.empty() )
+    str << wxT("\\") << szValue;
+
+  return str;
+}
+
+wxString GetFullName(const wxRegKey *pKey)
+{
+  return pKey->GetName();
+}
+
+inline void RemoveTrailingSeparator(wxString& str)

 {
   if ( !str.empty() && str.Last() == REG_SEPARATOR )
     str.Truncate(str.Len() - 1);
 }
 {
   if ( !str.empty() && str.Last() == REG_SEPARATOR )
     str.Truncate(str.Len() - 1);
 }

+
+inline const wxChar *RegValueStr(const wxString& szValue)
+{
+    return szValue.empty() ? (const wxChar*)NULL : szValue.t_str();
+}
+
+#endif // wxUSE_REGKEY