From 04f99d10ac8afebe15b727a461c2b3fd93e885aa Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Fri, 13 Apr 2018 20:25:55 +0200
Subject: [PATCH] Avoid issues during shutdown in login component

---
 src/blackgui/components/logincomponent.cpp | 15 +++++++++++----
 src/blackgui/components/logincomponent.h   |  3 +++
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/blackgui/components/logincomponent.cpp b/src/blackgui/components/logincomponent.cpp
index 910f7cca2..9f5801cc2 100644
--- a/src/blackgui/components/logincomponent.cpp
+++ b/src/blackgui/components/logincomponent.cpp
@@ -385,6 +385,15 @@ namespace BlackGui
             ui->editor_Pilot->setUser(server.getUser(), true);
         }
 
+        bool CLoginComponent::hasContexts()
+        {
+            if (!sApp || !sApp->supportsContexts()) { return false; }
+            if (!sApp->getIContextSimulator()) { return false; }
+            if (!sApp->getIContextNetwork()) { return false; }
+            if (!sApp->getIContextOwnAircraft()) { return false; }
+            return true;
+        }
+
         CLoginComponent::CGuiAircraftValues CLoginComponent::getAircraftValuesFromGui() const
         {
             CGuiAircraftValues values;
@@ -435,9 +444,7 @@ namespace BlackGui
 
         void CLoginComponent::setOwnModelAndIcaoValues()
         {
-            Q_ASSERT(sGui->getIContextOwnAircraft());
-            Q_ASSERT(sGui->getIContextSimulator());
-
+            if (!this->hasContexts()) { return; }
             CAircraftModel model;
             const bool simulating = sGui->getIContextSimulator() &&
                                     (sGui->getIContextSimulator()->getSimulatorStatus() & ISimulator::Simulating);
@@ -505,7 +512,7 @@ namespace BlackGui
 
         bool CLoginComponent::validateAircraftValues()
         {
-            const CGuiAircraftValues values = getAircraftValuesFromGui();
+            const CGuiAircraftValues values = this->getAircraftValuesFromGui();
 
             const bool validCombinedType = CAircraftIcaoCode::isValidCombinedType(values.ownAircraftCombinedType);
             ui->lblp_AircraftCombinedType->setTicked(validCombinedType);
diff --git a/src/blackgui/components/logincomponent.h b/src/blackgui/components/logincomponent.h
index 1f8716bed..2f3f05ff0 100644
--- a/src/blackgui/components/logincomponent.h
+++ b/src/blackgui/components/logincomponent.h
@@ -201,6 +201,9 @@ namespace BlackGui
             //! Tab widget (server) changed
             void onServerTabWidgetChanged(int index);
 
+            //! Has contexts
+            bool hasContexts();
+
             static const int OverlayMessageMs = 5000;
             QScopedPointer<Ui::CLoginComponent> ui;
             QScopedPointer<CDbQuickMappingWizard> m_mappingWizard;