Restore visible automation lanes (#7914)

On session re-load only automation lanes with events were displayed,
regardless of visibility state. This allowed for inconsistent
state (menu showed them as visible even if they were not).

1 files changed, 12 insertions, 0 deletions

diff --git a/gtk2_ardour/axis_view.h b/gtk2_ardour/axis_view.h
index 1a1686add9..e1db192b7e 100644
--- a/gtk2_ardour/axis_view.h
+++ b/gtk2_ardour/axis_view.h
@@ -83,6 +83,18 @@ public:
 			return false;
 		}
 
+	template <typename T>
+		bool get_gui_property (const std::string& state_id, const std::string& property_name, T& value) const
+		{
+			std::string str = gui_object_state().get_string (state_id, property_name);
+
+			if (!str.empty ()) {
+				return PBD::string_to<T>(str, value);
+			}
+			return false;
+		}
+
+
 	void set_gui_property (const std::string& property_name, const std::string& value);
 	void remove_gui_property (const std::string& property_name);