Make panner tolerate 0 audio inputs (fix #4353).

[ardour.git] / gtk2_ardour / monitor_section.h

diff --git a/gtk2_ardour/monitor_section.h b/gtk2_ardour/monitor_section.h
index 133e773186cb696ee2f824a5dada6b2a1aa191c6..5d791f332099fea270b351f86a8b3b8f9b8d965a 100644 (file)
--- a/gtk2_ardour/monitor_section.h
+++ b/gtk2_ardour/monitor_section.h
@@ -44,6 +44,8 @@ class MonitorSection : public RouteUI
 
         Gtkmm2ext::TearOff& tearoff() const { return *_tearoff; }
 
+       std::string state_id() const;
+
   private:
         Gtk::VBox vpacker;
         Gtk::HBox hpacker;