From ad7d1dc1c64f47ccfaf84d03aeb31af29232e184 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Mon, 4 Mar 2024 19:43:17 +0100
Subject: Fullscreen window loses sys menu bar if 2nd window is opened (#924)

---
 src/Fl_MacOS_Sys_Menu_Bar.mm | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/Fl_MacOS_Sys_Menu_Bar.mm')

diff --git a/src/Fl_MacOS_Sys_Menu_Bar.mm b/src/Fl_MacOS_Sys_Menu_Bar.mm
index 1240dc837..1caabcaaa 100644
--- a/src/Fl_MacOS_Sys_Menu_Bar.mm
+++ b/src/Fl_MacOS_Sys_Menu_Bar.mm
@@ -569,6 +569,8 @@ static void minimize_win_cb(Fl_Widget *, void *data)
 
 static void window_menu_cb(Fl_Widget *, void *data)
 {
+  Fl_Window *top = Fl::first_window();
+  if (top && top->fullscreen_active()) return;
   if (data) ((Fl_Window*)data)->show();
 }
 
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