Diff of /src/qtgui/preview_w.cpp [52d572] .. [5569b5]

  Switch to side-by-side view 

--- a/src/qtgui/preview_w.cpp
+++ b/src/qtgui/preview_w.cpp
@@ -732,6 +732,7 @@
 	closeCurrentTab();
 	return false;
     }
+    raise();
     return true;
 }