Fix CheckOption crash on session-reload

[ardour.git] / gtk2_ardour / option_editor.h

diff --git a/gtk2_ardour/option_editor.h b/gtk2_ardour/option_editor.h
index d6738889f3dd45a5d8d7618aef5528135c6a1b9e..749df8f90c70e5631770da0e315b19fa44c71ca2 100644 (file)
--- a/gtk2_ardour/option_editor.h
+++ b/gtk2_ardour/option_editor.h
@@ -193,6 +193,7 @@ class CheckOption : public OptionEditorComponent , public Gtkmm2ext::Activatable
 {
 public:
        CheckOption (std::string const &, std::string const &, Glib::RefPtr<Gtk::Action> act );
+       virtual ~CheckOption ();
        void set_state_from_config () {}
        void parameter_changed (std::string const &) {}
        void add_to_page (OptionEditorPage*);
@@ -203,17 +204,18 @@ public:
 
        Gtk::Widget& tip_widget() { return *_button; }
 
+protected:
        void action_toggled ();
        void action_sensitivity_changed () {}
        void action_visibility_changed () {}
 
-protected:
        virtual void toggled ();
 
-       sigc::slot<bool>       _get; ///< slot to get the configuration variable's value
-       sigc::slot<bool, bool> _set;  ///< slot to set the configuration variable's value
        Gtk::CheckButton*      _button; ///< UI button
        Gtk::Label*            _label; ///< label for button, so we can use markup
+
+private:
+       sigc::connection       _callback_connection;
 };
 
 /** Component which provides the UI to handle a boolean option using a GTK CheckButton */