From eb2bfdfce1fd9c5ed55d58a86b7db5c0667d12ba Mon Sep 17 00:00:00 2001
From: Pcornat <pcornat@protonmail.com>
Date: Thu, 23 Jan 2025 21:36:03 +0100
Subject: [PATCH] Making sure the window ptr is not null

---
 app_win_2_back.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app_win_2_back.cpp b/app_win_2_back.cpp
index ff5dac1..aa743ed 100644
--- a/app_win_2_back.cpp
+++ b/app_win_2_back.cpp
@@ -112,8 +112,10 @@ namespace gui_to_app {
     void AppWin2Back::on_quit() noexcept {
         auto windows = get_windows();
         for (auto *window: windows) {
-            window->set_visible(false);
-            delete window;
+            if (window != nullptr) {
+                window->set_visible(false);
+                delete window;
+            }
         }
         quit();
     }