refs #196, encapsulated transponder mode selection (combo box)

* promoted QComboBox in GUI
* features automatic reset for ident
* Conversion to CTransponder::TransponderMode from string

src/blackgui/transpondermodeselector.cpp

@@ -0,0 +1,80 @@
+#include "transpondermodeselector.h"
+
+using namespace BlackMisc::Aviation;
+
+namespace BlackGui
+{
+
+    CTransponderModeSelector::CTransponderModeSelector(QWidget *parent) : QComboBox(parent),
+        m_currentMode(CTransponder::StateStandby), m_resetMode(CTransponder::StateStandby)
+    {
+        QComboBox::insertItems(0, CTransponderModeSelector::modes());
+        connect(&this->m_resetTimer, &QTimer::timeout, this, &CTransponderModeSelector::resetTransponderMode);
+        connect(this, &CTransponderModeSelector::currentTextChanged, this, &CTransponderModeSelector::setSelectedTransponderModeAsString);
+        this->m_resetTimer.setInterval(5000);
+    }
+
+    const QString &CTransponderModeSelector::transponderStateStandby()
+    {
+        static const QString s(BlackMisc::Aviation::CTransponder::modeAsString(BlackMisc::Aviation::CTransponder::StateStandby));
+        return s;
+    }
+
+    const QString &CTransponderModeSelector::transponderStateIdent()
+    {
+        static const QString s(BlackMisc::Aviation::CTransponder::modeAsString(BlackMisc::Aviation::CTransponder::StateIdent));
+        return s;
+    }
+
+    const QString &CTransponderModeSelector::transponderModeC()
+    {
+        static const QString s(BlackMisc::Aviation::CTransponder::modeAsString(BlackMisc::Aviation::CTransponder::ModeC));
+        return s;
+    }
+
+    const QStringList &CTransponderModeSelector::modes()
+    {
+        static QStringList modes;
+        if (modes.isEmpty())
+        {
+            modes << CTransponderModeSelector::transponderStateStandby();
+            modes << CTransponderModeSelector::transponderModeC();
+            modes << CTransponderModeSelector::transponderStateIdent();
+        }
+        return modes;
+    }
+
+    BlackMisc::Aviation::CTransponder::TransponderMode CTransponderModeSelector::getSelectedTransponderMode() const
+    {
+        return this->m_currentMode;
+    }
+
+    void CTransponderModeSelector::setSelectedTransponderMode(CTransponder::TransponderMode mode)
+    {
+        if (mode != CTransponder::StateIdent) this->m_resetMode = mode;
+        if (this->m_currentMode == mode) return;
+        if (this->m_currentMode == CTransponder::StateIdent) emit this->identEnded();
+        this->m_currentMode = mode;
+        QString m = CTransponder::modeAsString(mode);
+        QComboBox::setCurrentText(m);
+        if (mode == CTransponder::StateIdent)
+        {
+            this->m_resetTimer.start();
+        }
+        else
+        {
+            this->m_resetTimer.stop();
+        }
+    }
+
+    void CTransponderModeSelector::setSelectedTransponderModeAsString(const QString &mode)
+    {
+        this->setSelectedTransponderMode(CTransponder::modeFromString(mode));
+    }
+
+    void CTransponderModeSelector::resetTransponderMode()
+    {
+        if (!this->isIdentSelected()) return;
+        this->setSelectedTransponderMode(this->m_resetMode);
+    }
+}

src/blackgui/transpondermodeselector.h

@@ -0,0 +1,73 @@
+#ifndef BLACKGUI_QWITRANSPONDERMODESELECTOR_H
+#define BLACKGUI_QWITRANSPONDERMODESELECTOR_H
+
+#include "../blackmisc/aviotransponder.h"
+#include "blackmisc/aviotransponder.h"
+#include <QTimer>
+#include <QComboBox>
+#include <QStringList>
+
+
+namespace BlackGui
+{
+
+    /*!
+     * \brief Selector for the transponder mode
+     */
+    class CTransponderModeSelector : public QComboBox
+    {
+        Q_OBJECT
+
+    private:
+        BlackMisc::Aviation::CTransponder::TransponderMode m_currentMode;
+        BlackMisc::Aviation::CTransponder::TransponderMode m_resetMode;
+        QTimer m_resetTimer;
+
+    public:
+        //! \brief Constructor
+        explicit CTransponderModeSelector(QWidget *parent = nullptr);
+
+        //! \brief Standby string
+        static const QString &transponderStateStandby();
+
+        //! \brief Ident string
+        static const QString &transponderStateIdent();
+
+        //! \brief Mode C string
+        static const QString &transponderModeC();
+
+        //! \brief All relevant modes for GUI
+        static const QStringList &modes();
+
+        //! \brief Selected transponder mode
+        BlackMisc::Aviation::CTransponder::TransponderMode getSelectedTransponderMode() const;
+
+        //! \brief Selected transponder mode
+        void setSelectedTransponderMode(BlackMisc::Aviation::CTransponder::TransponderMode mode);
+
+        //!\ brief Set to ident
+        void setSelectedTransponderModeStateIdent()
+        {
+            this->setSelectedTransponderMode(BlackMisc::Aviation::CTransponder::StateIdent);
+        }
+
+        //! \brief Ident selected
+        bool isIdentSelected() const
+        {
+            return this->getSelectedTransponderMode() == BlackMisc::Aviation::CTransponder::StateIdent;
+        }
+
+    public slots:
+        //! \brief reset to last mode (unequal ident)
+        void resetTransponderMode();
+
+        //! \brief Selected transponder mode
+        void setSelectedTransponderModeAsString(const QString &mode);
+
+    signals:
+        //! \brief Ident ended
+        void identEnded();
+    };
+} // namespace
+
+#endif // guard