backport SVN commit 847417 by kloecker:

Center the current message when selecting multiple messages with Shift+Left/Right. This is consistent with the behavior of most other actions (like going to next/previous [unread] message).


svn path=/branches/KDE/4.1/kdepim/; revision=847622

kmheaders.cpp

@@ -1865,7 +1865,7 @@ void KMHeaders::selectNextMessage()
       /* test to see if we need to unselect messages on back track */
       (below->isSelected() ? setSelected(lvi, false) : setSelected(below, true));
       setCurrentItem(below);
-      makeHeaderVisible();
+      ensureCurrentItemVisible();
       setFolderInfoStatus();
     }
   }
@@ -1904,7 +1904,7 @@ void KMHeaders::selectPrevMessage()
       /* test to see if we need to unselect messages on back track */
       (above->isSelected() ? setSelected(lvi, false) : setSelected(above, true));
       setCurrentItem(above);
-      makeHeaderVisible();
+      ensureCurrentItemVisible();
       setFolderInfoStatus();
     }
   }