Merge remote-tracking branch 'origin/5.5' into 5.6

Change-Id: Ic011149c50dcbff3468d8fbdd3069a51ecd8f21c

src/widgets/widgets/qcombobox.cpp

@@ -2436,6 +2436,7 @@ struct IndexSetter {
     {
         cb->setCurrentIndex(index);
         emit cb->activated(index);
+        emit cb->activated(cb->itemText(index));
     }
 };
 }