Ref T226, airport completer

* a bigger one with name
* same as dialog
* smaller one, using the dialog

src/blackgui/components/airportcompleter.h

@@ -0,0 +1,74 @@
+/* Copyright (C) 2018
+ * 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 BLACKGUI_COMPONENTS_AIRPORTCOMPLETER_H
+#define BLACKGUI_COMPONENTS_AIRPORTCOMPLETER_H
+
+#include "blackmisc/aviation/airport.h"
+#include <QFrame>
+#include <QScopedPointer>
+
+namespace Ui { class CAirportCompleter; }
+namespace BlackGui
+{
+    namespace Components
+    {
+        //! Airport completer, UI element so select by ICAO, name or location
+        class CAirportCompleter : public QFrame
+        {
+            Q_OBJECT
+
+        public:
+            //! Get the correct airport
+            explicit CAirportCompleter(QWidget *parent = nullptr);
+
+            //! Destructor
+            virtual ~CAirportCompleter();
+
+            //! Set airport
+            void setAirport(const BlackMisc::Aviation::CAirport &airport);
+
+            //! Get airport
+            const BlackMisc::Aviation::CAirport &getAirport() const { return m_current; }
+
+            //! The raw ICAO code text
+            QString getIcaoText() const;
+
+            //! Read only
+            void setReadOnly(bool readOnly);
+
+            //! Clear the form
+            void clear();
+
+        signals:
+            //! Airport has been changed
+            void changedAirport(const BlackMisc::Aviation::CAirport &airport);
+
+        private:
+            //! ICAO code has been changed in UI
+            void onIcaoChanged();
+
+            //! Name has been changed in UI
+            void onNameChanged();
+
+            //! Location has been changed in UI
+            void onLocationChanged();
+
+            //! Airports backend data changed
+            void onAirportsChanged();
+
+            QScopedPointer <Ui::CAirportCompleter> ui;
+            BlackMisc::Aviation::CAirport m_current; //!< current airport
+        };
+    } // ns
+} // ns
+
+#endif // guard