Added LED row to display transponder mode

* made LEDs clickable
* component for LED rows / transponder mode which will later be reused elsewhere

src/blackgui/components/cockpittranspondermodeledscomponent.h

@@ -0,0 +1,73 @@
+/* Copyright (C) 2013
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_COCKPITTRANSPONDERMODELEDSCOMPONENT_H
+#define BLACKMISC_COCKPITTRANSPONDERMODELEDSCOMPONENT_H
+
+#include "enableforruntime.h"
+#include "../led.h"
+#include "blackmisc/avaircraft.h"
+#include "blackmisc/aviotransponder.h"
+#include <QFrame>
+
+namespace BlackGui
+{
+    namespace Components
+    {
+
+        //! LEDs representing transponder mode state
+        class CCockpitTransponderModeLedsComponent : public QFrame, public CEnableForRuntime
+        {
+            Q_OBJECT
+
+        public:
+            //! Constructor
+            explicit CCockpitTransponderModeLedsComponent(QWidget *parent = nullptr);
+
+        protected:
+            //! \copydoc CEnableForRuntime::runtimeHasBeenSet
+            virtual void runtimeHasBeenSet() override;
+
+        private slots:
+            //! \copydoc IContextOwnAircraft::changedAircraftCockpit
+            void ps_onAircraftCockpitChanged(const BlackMisc::Aviation::CAircraft &aircraft, const QString &originator);
+
+            //! LED clicked
+            void ps_onLedClicked();
+
+        private:
+            const int LedWidth = 14; //!< LED width
+
+            //! Init either in horizontal or vertical layout
+            void init(bool horizontal);
+
+            //! Set the mode
+            void setMode(BlackMisc::Aviation::CTransponder::TransponderMode mode);
+
+            //! Own Transponder
+            BlackMisc::Aviation::CTransponder getOwnTransponder() const;
+
+            //! Own Aircraft
+            BlackMisc::Aviation::CAircraft getOwnAircraft() const;
+
+            //! Identifies sender of cockpit updates
+            static const QString &ledsOriginator();
+
+            QScopedPointer<BlackGui::CLedWidget> m_ledStandby;
+            QScopedPointer<BlackGui::CLedWidget> m_ledIdent;
+            QScopedPointer<BlackGui::CLedWidget> m_ledModes;
+
+        };
+
+    } // namespace
+} // namespace
+
+#endif // guard