MythNews: try to keep the same item selected in the articles list aft…

…er update

This fixes the annoying behaviour of the selection moving to the first item in
the articles list after the list is refreshed. It will now try to
keep the same item selected after the articles list is updated.

mythplugins/mythnews/mythnews/mythnews.cpp

@@ -651,6 +651,9 @@ void MythNews::processAndShowNews(NewsSite *site)
     if (site != qVariantValue<NewsSite*>(siteUIItem->GetData()))
         return;
 
+    QString currItem = m_articlesList->GetValue();
+    int topPos = m_articlesList->GetTopItemPos();
+
     m_articlesList->Reset();
     m_articles.clear();
 
@@ -662,6 +665,9 @@ void MythNews::processAndShowNews(NewsSite *site)
             new MythUIButtonListItem(m_articlesList, (*it).title());
         m_articles[item] = *it;
     }
+
+    if (m_articlesList->MoveToNamedPosition(currItem))
+        m_articlesList->SetItemCurrent(m_articlesList->GetCurrentPos(), topPos);
 }
 
 void MythNews::slotSiteSelected(MythUIButtonListItem *item)