Merge branch 'dev' into rt-cli

rtgui/guiutils.h

@@ -315,6 +315,7 @@ public:
 class MyComboBoxText : public Gtk::ComboBoxText
 {
     int naturalWidth, minimumWidth;
+    sigc::connection myConnection;
 
     bool on_scroll_event (GdkEventScroll* event);
     void get_preferred_width_vfunc (int &minimum_width, int &natural_width) const;
@@ -324,6 +325,8 @@ public:
     MyComboBoxText (bool has_entry = false);
 
     void setPreferredWidth (int minimum_width, int natural_width);
+    void connect(const sigc::connection &connection) { myConnection = connection; }
+    void block(bool blocked) { myConnection.block(blocked); }
 };
 
 /**