+#endif
+
+ // autocompletion
+ for( size_t j = 0 ; j < descriptions.GetCount() ; j++ )
+ {
+ if ( descriptions[j].empty() && !filters[j].empty() )
+ {
+ descriptions[j].Printf(_("Files (%s)"), filters[j].c_str());
+ }
+ }
+
+ return filters.GetCount();
+}
+
+#if defined( __WINDOWS__ )
+bool wxCheckGenericPermission(const wxString &path, DWORD access)
+{
+ // quoting the MSDN: "To obtain a handle to a directory, call the
+ // CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag"
+ wxWinVersion ver = wxGetWinVersion();
+ bool isdir = wxDirExists(path);
+ if (isdir && (ver == wxWinVersion_95 || ver == wxWinVersion_98 || ver == wxWinVersion_ME))
+ {
+ // however Win95/98/ME do not support FILE_FLAG_BACKUP_SEMANTICS...
+ if (access == GENERIC_READ)
+ {
+ WIN32_FILE_ATTRIBUTE_DATA data;
+ if (GetFileAttributesEx(path.c_str(), GetFileExInfoStandard, &data) == 0)
+ return false; // cannot query attributes
+ return (data.dwFileAttributes & FILE_ATTRIBUTE_READONLY) == 0;
+ }
+
+ // FIXME: is it true that directories are always writable & executable on Win9X family ?
+ return true;
+ }
+ else
+ {
+ HANDLE h = CreateFile(path.c_str(), access,
+ FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL,
+ OPEN_EXISTING, isdir ? FILE_FLAG_BACKUP_SEMANTICS : 0, NULL);
+ if (h != INVALID_HANDLE_VALUE)
+ CloseHandle(h);
+
+ return h != INVALID_HANDLE_VALUE;
+ }
+}
+#endif
+
+bool wxIsWritable(const wxString &path)
+{
+#if defined( __UNIX__ )
+ // access() will take in count also symbolic links
+ return access(wxConvFile.cWX2MB(path), W_OK) == 0;
+#elif defined( __WINDOWS__ )
+ return wxCheckGenericPermission(path, GENERIC_WRITE);