From d1e55ff5b7b4e7f9da32ff05898487aff7d8bdc2 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 3 Apr 2020 17:58:39 -0600
Subject: [PATCH] add RouteTimeAxis::toggle_layer_display()

---
 gtk2_ardour/route_time_axis.cc | 22 ++++++++++++++++++++++
 gtk2_ardour/route_time_axis.h  |  1 +
 2 files changed, 23 insertions(+)

diff --git a/gtk2_ardour/route_time_axis.cc b/gtk2_ardour/route_time_axis.cc
index 6eab8137e7..d092f58a45 100644
--- a/gtk2_ardour/route_time_axis.cc
+++ b/gtk2_ardour/route_time_axis.cc
@@ -2324,6 +2324,28 @@ RouteTimeAxisView::blink_rec_display (bool onoff)
 	RouteUI::blink_rec_display (onoff);
 }
 
+void
+RouteTimeAxisView::toggle_layer_display ()
+{
+	/* this is a bit of a hack, but we implement toggle via the menu items,
+	   in order to keep them in sync with the visual state.
+	*/
+
+	if (!is_track()) {
+		return;
+	}
+
+	if (!display_menu) {
+		build_display_menu ();
+	}
+
+	if (dynamic_cast<RadioMenuItem*>(overlaid_menu_item)->get_active()) {
+		dynamic_cast<RadioMenuItem*>(stacked_menu_item)->set_active (true);
+	} else {
+		dynamic_cast<RadioMenuItem*>(overlaid_menu_item)->set_active (true);
+	}
+}
+
 void
 RouteTimeAxisView::set_layer_display (LayerDisplay d, bool apply_to_selection)
 {
diff --git a/gtk2_ardour/route_time_axis.h b/gtk2_ardour/route_time_axis.h
index 5defd543db..de6bb441a9 100644
--- a/gtk2_ardour/route_time_axis.h
+++ b/gtk2_ardour/route_time_axis.h
@@ -103,6 +103,7 @@ public:
 	void get_selectables (ARDOUR::samplepos_t start, ARDOUR::samplepos_t end, double top, double bot, std::list<Selectable *>&, bool within = false);
 	void get_inverted_selectables (Selection&, std::list<Selectable*>&);
 	void set_layer_display (LayerDisplay d, bool apply_to_selection = false);
+	void toggle_layer_display ();
 	LayerDisplay layer_display () const;
 
 	boost::shared_ptr<ARDOUR::Region> find_next_region (samplepos_t pos, ARDOUR::RegionPoint, int32_t dir);