do nothing in ShowHidden() if the flag doesn't change (patch 1678963)

[wxWidgets.git] / src / common / config.cpp

diff --git a/src/common/config.cpp b/src/common/config.cpp
index 4b509a7fc0d8a41eaf22e3538e171d801b7ad8fc..dadcf71c56b30704bde14df50d43f01ff9af6d72 100644 (file)
--- a/src/common/config.cpp
+++ b/src/common/config.cpp
@@ -57,6 +57,7 @@ bool          wxConfigBase::ms_bAutoCreate = true;
 // ----------------------------------------------------------------------------
 // wxConfigBase
 // ----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxConfigBase, wxObject)
 
 // Not all args will always be used by derived classes, but including them all
 // in each class ensures compatibility.
@@ -297,6 +298,24 @@ wxConfigPathChanger::~wxConfigPathChanger()
   }
 }
 
+// this is a wxConfig method but it's mainly used with wxConfigPathChanger
+/* static */
+wxString wxConfigBase::RemoveTrailingSeparator(const wxString& key)
+{
+    wxString path(key);
+
+    // don't remove the only separator from a root group path!
+    while ( path.length() > 1 )
+    {
+        if ( *path.rbegin() != wxCONFIG_PATH_SEPARATOR )
+            break;
+
+        path.erase(path.end() - 1);
+    }
+
+    return path;
+}
+
 #endif // wxUSE_CONFIG
 
 // ----------------------------------------------------------------------------
@@ -369,7 +388,12 @@ wxString wxExpandEnvVars(const wxString& str)
 #ifdef __WXWINCE__
           const wxChar *pszValue = NULL;
 #else
-          const wxChar *pszValue = wxGetenv(strVarName);
+          // NB: use wxGetEnv instead of wxGetenv as otherwise variables
+          //     set through wxSetEnv may not be read correctly!
+          const wxChar *pszValue = NULL;
+          wxString tmp;
+          if (wxGetEnv(strVarName, &tmp))
+              pszValue = tmp;
 #endif
           if ( pszValue != NULL ) {
             strResult += pszValue;