From 95b7c9770cbbba91dd32078309a9e9ca700f26d8 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Fri, 1 May 2020 02:04:26 +1000
Subject: [PATCH] manageddisplay: fixed segfault when closing exportdialog

Really affected any color managed display widget, including scopes, viewers,
and the export dialog.
---
 app/widget/manageddisplay/manageddisplay.cpp | 5 +++++
 app/widget/manageddisplay/manageddisplay.h   | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/app/widget/manageddisplay/manageddisplay.cpp b/app/widget/manageddisplay/manageddisplay.cpp
index 8d3d720fe..2208dfeb8 100644
--- a/app/widget/manageddisplay/manageddisplay.cpp
+++ b/app/widget/manageddisplay/manageddisplay.cpp
@@ -32,6 +32,11 @@ ManagedDisplayWidget::ManagedDisplayWidget(QWidget *parent) :
   setContextMenuPolicy(Qt::CustomContextMenu);
 }
 
+ManagedDisplayWidget::~ManagedDisplayWidget()
+{
+  ContextCleanup();
+}
+
 void ManagedDisplayWidget::ConnectColorManager(ColorManager *color_manager)
 {
   if (color_manager_ == color_manager) {
diff --git a/app/widget/manageddisplay/manageddisplay.h b/app/widget/manageddisplay/manageddisplay.h
index e0e3e3b3e..697247129 100644
--- a/app/widget/manageddisplay/manageddisplay.h
+++ b/app/widget/manageddisplay/manageddisplay.h
@@ -35,6 +35,8 @@ class ManagedDisplayWidget : public QOpenGLWidget
 public:
   ManagedDisplayWidget(QWidget* parent = nullptr);
 
+  virtual ~ManagedDisplayWidget() override;
+
   /**
    * @brief Disconnect a ColorManager (equivalent to ConnectColorManager(nullptr))
    */