From 214037192f29aee84a7cb5fabbdd4c0d1a947c49 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 17 Nov 2025 18:49:02 -0700
Subject: [PATCH] pianoroll: respond sensibly when a trigger has it's region
 cleared

---
 gtk2_ardour/pianoroll.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gtk2_ardour/pianoroll.cc b/gtk2_ardour/pianoroll.cc
index 72c544a045..488ae475d3 100644
--- a/gtk2_ardour/pianoroll.cc
+++ b/gtk2_ardour/pianoroll.cc
@@ -1354,10 +1354,9 @@ Pianoroll::trigger_prop_change (PBD::PropertyChange const & what_changed)
 	EC_LOCAL_TEMPO_SCOPE;
 
 	if (what_changed.contains (Properties::region)) {
+		std::cerr << "PR region changed\n";
 		std::shared_ptr<MidiRegion> mr = std::dynamic_pointer_cast<MidiRegion> (ref.trigger()->the_region());
-		if (mr) {
-			set_region (mr);
-		}
+		set_region (mr);
 	}
 }
 
@@ -1462,6 +1461,7 @@ Pianoroll::set_region (std::shared_ptr<ARDOUR::Region> region)
 	std::shared_ptr<MidiRegion> r (std::dynamic_pointer_cast<ARDOUR::MidiRegion> (region));
 
 	if (!r) {
+		view->set_region (nullptr);
 		_update_connection.disconnect ();
 		return;
 	}