From ac725465a9a1e22c1b3627e9a860381a306f28ab Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Thu, 29 Feb 2024 08:48:19 +0100
Subject: [PATCH] gui: fix warning on closing application

---
 gui/lineshader.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gui/lineshader.h b/gui/lineshader.h
index 9d2524b3..784f35a8 100644
--- a/gui/lineshader.h
+++ b/gui/lineshader.h
@@ -170,6 +170,7 @@ class LineShader
 
   public:
     LineShader(QObject *parent) : parent_(parent), program_(nullptr) {}
+    ~LineShader() { ((QOpenGLWidget*) parent_)->makeCurrent(); }
 
     static constexpr const char *vertexShaderSource_ =
             "#version 150\n"