From 6de2d8f5c413ed83640a086912f16d3753834af7 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 19 Aug 2024 15:00:13 -0600
Subject: [PATCH] macOS: prevent the Quit main menu item from interferring with
 modal rules

---
 libs/gtkmm2ext/gtkapplication_quartz.mm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libs/gtkmm2ext/gtkapplication_quartz.mm b/libs/gtkmm2ext/gtkapplication_quartz.mm
index 8baafadc7d..38db6a2d42 100644
--- a/libs/gtkmm2ext/gtkapplication_quartz.mm
+++ b/libs/gtkmm2ext/gtkapplication_quartz.mm
@@ -1468,6 +1468,9 @@ namespace Gtk {
 - (NSApplicationTerminateReply) applicationShouldTerminate:(NSApplication *) app
 {
 	UNUSED_PARAMETER(app);
+	if (_modal_state) {
+		return NSTerminateCancel;
+	}
 	Gtkmm2ext::Application::instance()->ShouldQuit ();
 	return NSTerminateCancel;
 }