From 497436978730e26633ebba642a68fa7f5d13ce2e Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 18 Oct 2023 09:05:48 -0600
Subject: [PATCH] fix logic in MidiRegionView::select_matching_notes() to not
 add notes when asked not to

---
 gtk2_ardour/midi_region_view.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index 74bebbc105..0d99c7c690 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -2362,16 +2362,19 @@ MidiRegionView::select_notes (list<Evoral::event_id_t> notes, bool allow_auditio
 void
 MidiRegionView::select_matching_notes (uint8_t notenum, uint16_t channel_mask, bool add, bool extend)
 {
-	bool have_selection = !_selection.empty();
 	uint8_t low_note = 127;
 	uint8_t high_note = 0;
 	MidiModel::Notes& notes (_model->notes());
 	_optimization_iterator = _events.begin();
 
-	if (extend && !have_selection) {
+	if (_selection.empty()) {
 		extend = false;
 	}
 
+	if (!add && !extend && !_selection.empty()) {
+		clear_note_selection ();
+	}
+
 	/* scan existing selection to get note range */
 
 	for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {