From b2a59209711ba2d3c1dee1005ce7dc26b8f9a5f8 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 9 Apr 2025 20:18:29 +0200
Subject: [PATCH] Fix RegionFx processor selection, leave notify

This fixes "delete" keyboard shortcut when the mouse.
Previously moving the mouse from the box to the selected
processor unset the `current_rfx_box` pointer.
---
 gtk2_ardour/region_editor.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gtk2_ardour/region_editor.cc b/gtk2_ardour/region_editor.cc
index cfaab16338..1c94977f46 100644
--- a/gtk2_ardour/region_editor.cc
+++ b/gtk2_ardour/region_editor.cc
@@ -788,7 +788,13 @@ RegionEditor::RegionFxBox::enter_notify (GdkEventCrossing* ev)
 bool
 RegionEditor::RegionFxBox::leave_notify (GdkEventCrossing* ev)
 {
+	if (ev->detail == GDK_NOTIFY_INFERIOR || ev->detail == GDK_NOTIFY_NONLINEAR || ev->detail == GDK_NOTIFY_NONLINEAR_VIRTUAL) {
+		/* leaving towards a child - here a Processor Entry */
+		return false;
+	}
+
 	current_rfx_box = 0;
+	_display.select_none ();
 	return false;
 }