From cab3d96a4ca5df08292f4ba038cb7c10e8b5bee4 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 20 Oct 2025 14:52:36 -0600
Subject: [PATCH] ensure a locally scoped tempo map in
 MidiView::{model,view}_changed()

---
 gtk2_ardour/midi_view.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gtk2_ardour/midi_view.cc b/gtk2_ardour/midi_view.cc
index 4287e3ddd5..64b5d3654b 100644
--- a/gtk2_ardour/midi_view.cc
+++ b/gtk2_ardour/midi_view.cc
@@ -1117,6 +1117,8 @@ MidiView::model_changed()
 		return;
 	}
 
+	EC_LOCAL_TEMPO_SCOPE_ARG (_editing_context);
+
 	MidiViewBackground::NoteRangeSuspender nrs (_midi_context);
 
 	if (_active_notes) {
@@ -1280,6 +1282,9 @@ MidiView::view_changed()
 	}
 
 	if (_active_notes) {
+
+		EC_LOCAL_TEMPO_SCOPE_ARG (_editing_context);
+
 		for (auto & [ note, gui ] : _events) {
 			if (note->end_time() != std::numeric_limits<Temporal::Beats>::max()) {
 				update_note (gui);
@@ -1292,6 +1297,8 @@ MidiView::view_changed()
 		return;
 	}
 
+	EC_LOCAL_TEMPO_SCOPE_ARG (_editing_context);
+
 	for (auto & [ note, gui] : _events) {
 
 		bool visible;