From e9bef327043c9bec82260941e224eec42225cf20 Mon Sep 17 00:00:00 2001
From: rdanbrook <1869094+rdanbrook@users.noreply.github.com>
Date: Mon, 21 Oct 2024 22:56:54 -0600
Subject: [PATCH] FLTK: Input message box null pointer check

---
 source/fltkui/fltkui_settings.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/fltkui/fltkui_settings.cpp b/source/fltkui/fltkui_settings.cpp
index 940e8e9..5e6312d 100644
--- a/source/fltkui/fltkui_settings.cpp
+++ b/source/fltkui/fltkui_settings.cpp
@@ -169,6 +169,10 @@ NstSettingsWindow::NstSettingsWindow(int w, int h, const char* t, JGManager& j,
 }
 
 void NstSettingsWindow::show_msgbox(bool show) {
+    if (!msgbox) {
+        return;
+    }
+
     if (show) {
         msgbox->label("Press the desired key, ESC to clear");
         msgbox->show();