use wxWindowIDRef to transparently implement auto-generated ids ref-counting (slightly modified patch 1835458)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51035 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/xrc/xmlres.cpp

@@ -1575,7 +1575,10 @@ void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *
 
 struct XRCID_record
 {
-    int id;
+    /* Hold the id so that once an id is allocated for a name, it
+       does not get created again by NewControlId at least
+       until we are done with it */
+    wxWindowIDRef id;
     char *key;
     XRCID_record *next;
 };
@@ -1648,11 +1651,6 @@ static void CleanXRCID_Record(XRCID_record *rec)
     {
         CleanXRCID_Record(rec->next);
 
-        // if we had generated the value of this id automatically, release it
-        // now that we don't need it any longer
-        if ( wxWindow::IsAutoGeneratedId(rec->id) )
-            wxWindow::ReleaseControlId(rec->id);
-
         free(rec->key);
         delete rec;
     }