From 71a5d638cb665c3a7218e4fd8d7448ffac3084c1 Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Fri, 8 Jun 2018 21:38:47 +0200
Subject: [PATCH] UI aircraft component reduced airport update frequency

---
 src/blackgui/components/aircraftcomponent.cpp | 5 ++++-
 src/blackgui/components/aircraftcomponent.h   | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/blackgui/components/aircraftcomponent.cpp b/src/blackgui/components/aircraftcomponent.cpp
index 8b86b551c..2f455c1e7 100644
--- a/src/blackgui/components/aircraftcomponent.cpp
+++ b/src/blackgui/components/aircraftcomponent.cpp
@@ -106,11 +106,14 @@ namespace BlackGui
             if (sGui->getIContextSimulator()->getSimulatorStatus() > 0)
             {
                 const bool visible = (this->isVisibleWidget() && this->currentWidget() == ui->tb_AirportsInRange);
-                if (this->countAirportsInRangeInView() < 1 || visible)
+                const bool counter = ((m_updateCounter % 5) == 0); // less frequent than aircraft
+                if (this->countAirportsInRangeInView() < 1 || (visible && counter))
                 {
                     ui->tvp_AirportsInRange->updateContainerMaybeAsync(sGui->getIContextSimulator()->getAirportsInRange());
                 }
             }
+
+            m_updateCounter++;
         }
 
         void CAircraftComponent::onInfoAreaTabBarChanged(int index)
diff --git a/src/blackgui/components/aircraftcomponent.h b/src/blackgui/components/aircraftcomponent.h
index bf9d2526e..4698310ca 100644
--- a/src/blackgui/components/aircraftcomponent.h
+++ b/src/blackgui/components/aircraftcomponent.h
@@ -85,6 +85,7 @@ namespace BlackGui
             QScopedPointer<Ui::CAircraftComponent> ui;
             BlackMisc::CSettingReadOnly<BlackGui::Settings::TViewUpdateSettings> m_settings { this, &CAircraftComponent::onSettingsChanged }; //!< settings changed
             QTimer m_updateTimer;
+            int m_updateCounter = 0;
         };
     } // ns
 } // ns