extending calculation of visible region

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

diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp
index c18f1de8d4c21b2707faddda9064e5f7e5a2bedb..72515030b03c476f2f708a74b1183a5aa8a6c992 100644 (file)
--- a/src/msw/registry.cpp
+++ b/src/msw/registry.cpp
@@ -12,7 +12,7 @@
 //              - add high level functions (RegisterOleServer, ...)
 ///////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "registry.h"
 #endif
 
@@ -374,7 +374,7 @@ bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
 // ----------------------------------------------------------------------------
 
 // opens key (it's not an error to call Open() on an already opened key)
-bool wxRegKey::Open()
+bool wxRegKey::Open(AccessMode mode)
 {
     if ( IsOpened() )
         return TRUE;
@@ -385,7 +385,7 @@ bool wxRegKey::Open()
                         (HKEY) m_hRootKey,
                         m_strKey,
                         RESERVED,
-                        KEY_ALL_ACCESS,
+                        mode == Read ? KEY_READ : KEY_ALL_ACCESS,
                         &tmpKey
                     );
 
@@ -683,7 +683,9 @@ bool wxRegKey::DeleteSelf()
   Close();
 
   m_dwLastError = RegDeleteKey((HKEY) m_hRootKey, m_strKey);
-  if ( m_dwLastError != ERROR_SUCCESS ) {
+  // deleting a key which doesn't exist is not considered an error
+  if ( m_dwLastError != ERROR_SUCCESS &&
+          m_dwLastError != ERROR_FILE_NOT_FOUND ) {
     wxLogSysError(m_dwLastError, _("Can't delete key '%s'"),
                   GetName().c_str());
     return FALSE;
@@ -1095,7 +1097,7 @@ bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
             (HKEY)hRootKey,
             szKey,
             RESERVED,
-            KEY_ALL_ACCESS,
+            KEY_READ,        // we might not have enough rights for rw access
             &hkeyDummy
          ) == ERROR_SUCCESS )
     {