honour locale modifiers such a @valencia in system locale (patch 1896444)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@51897 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -124,6 +124,7 @@ All (Unix):
   --enable-media; only wxMedia library depends on it now.
 - wxLaunchDefaultBrowser() now uses xdg-open if available.
 - Don't close UDP socket if an empty datagram is received (Mikkel S)
+- Honour locale modifiers such a "@valencia" in system locale (Tim Kosse)
 
 wxMSW:
 

src/common/intl.cpp

@@ -1946,8 +1946,13 @@ void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
     // for now we don't use the encoding, although we probably should (doing
     // translations of the msg catalogs on the fly as required) (TODO)
     //
-    // we don't use the modifiers neither but we probably should translate
-    // "euro" into iso885915
+    // we need the modified for languages like Valencian: ca_ES@valencia
+    // though, remember it
+    wxString modifier;
+    size_t posModifier = langFull.find_first_of(_T("@"));
+    if ( posModifier != wxString::npos )
+        modifier = langFull.Mid(posModifier);
+
     size_t posEndLang = langFull.find_first_of(_T("@."));
     if ( posEndLang != wxString::npos )
     {
@@ -1993,11 +1998,24 @@ void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
         }
 
         // 1. Try to find the language either as is:
-        for ( i = 0; i < count; i++ )
+        // a) With modifier if set
+        if ( !modifier.empty() )
         {
-            if ( ms_languagesDB->Item(i).CanonicalName == langFull )
+            wxString langFullWithModifier = langFull + modifier;
+            for ( i = 0; i < count; i++ )
             {
-                break;
+                if ( ms_languagesDB->Item(i).CanonicalName == langFullWithModifier )
+                    break;
+            }
+        }
+
+        // b) Without modifier
+        if ( modifier.empty() || i == count )
+        {
+            for ( i = 0; i < count; i++ )
+            {
+                if ( ms_languagesDB->Item(i).CanonicalName == langFull )
+                    break;
             }
         }