--- gigedit/trunk/src/gigedit/paramedit.h	2019/10/02 17:11:30	3624
+++ gigedit/trunk/src/gigedit/paramedit.h	2019/10/24 11:16:26	3635
@@ -458,6 +458,13 @@
             sigc::bind(sigc::mem_fun(*this, f), &widget, setter));
     }
 
+    template<class C, class F>
+    void connectLambda(C& widget, F fn) {
+        widget.signal_value_changed().connect([&widget,fn]{
+            fn( widget.get_value() );
+        });
+    }
+
     void connect(NoteEntry& eKeyRangeLow, NoteEntry& eKeyRangeHigh,
                  gig::range_t M::* range) {
         eKeyRangeLow.signal_value_changed().connect(