From 1ca767eb13f2027a1a2c21f68346ff1d7339ff86 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Mon, 29 Aug 2022 18:49:15 +0200
Subject: [PATCH] Hybrid Wayland/X11 : more accurate writing of
 fl_wl_display().

---
 src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx
index cd512350b..cdfc88e80 100644
--- a/src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx
@@ -1465,6 +1465,7 @@ void Fl_Wayland_Screen_Driver::reset_spot() {
 }
 
 
-struct wl_display *fl_wl_display() {
+struct wl_display *fl_wl_display() {  
+  if (!Fl_Wayland_Screen_Driver::wl_display || !Fl_Wayland_Screen_Driver::wl_registry) return NULL;
   return Fl_Wayland_Screen_Driver::wl_display;
 }