Switch to side-by-side view

--- a/src/qtgui/main.cpp
+++ b/src/qtgui/main.cpp
@@ -93,6 +93,17 @@
 	return false;
     }
     rcldb->setAbstractParams(-1, prefs.syntAbsLen, prefs.syntAbsCtx);
+    return true;
+}
+
+bool getStemLangs(list<string>& langs)
+{
+    string reason;
+    if (!maybeOpenDb(reason)) {
+	LOGERR(("getStemLangs: %s\n", reason.c_str()));
+	return false;
+    }
+    langs = rcldb->getStemLangs();
     return true;
 }