用qml显示了航点参数，qml目前可能没有完善，很多部件都显示不了

opmap/mapwidget/MissionManager/QGCFenceCircle.h

@@ -0,0 +1,57 @@
+/****************************************************************************
+ *
+ * (c) 2009-2020 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
+ *
+ * QGroundControl is licensed according to the terms in the file
+ * COPYING.md in the root of the source code directory.
+ *
+ ****************************************************************************/
+
+#pragma once
+
+#include "QGCMapCircle.h"
+
+/// The QGCFenceCircle class provides a cicle used by GeoFence support.
+class QGCFenceCircle : public QGCMapCircle
+{
+    Q_OBJECT
+
+public:
+    QGCFenceCircle(QObject* parent = nullptr);
+    QGCFenceCircle(const QGeoCoordinate& center, double radius, bool inclusion, QObject* parent = nullptr);
+    QGCFenceCircle(const QGCFenceCircle& other, QObject* parent = nullptr);
+
+    const QGCFenceCircle& operator=(const QGCFenceCircle& other);
+
+    Q_PROPERTY(bool inclusion READ inclusion WRITE setInclusion NOTIFY inclusionChanged)
+
+    /// Saves the QGCFenceCircle to the json object.
+    ///     @param json Json object to save to
+    void saveToJson(QJsonObject& json);
+
+    /// Load a QGCFenceCircle from json
+    ///     @param json Json object to load from
+    ///     @param errorString Error string if return is false
+    /// @return true: success, false: failure (errorString set)
+    bool loadFromJson(const QJsonObject& json, QString& errorString);
+
+    // Property methods
+
+    bool inclusion      (void) const { return _inclusion; }
+    void setInclusion   (bool inclusion);
+
+signals:
+    void inclusionChanged(bool inclusion);
+
+private slots:
+    void _setDirty(void);
+
+private:
+    void _init(void);
+
+    bool _inclusion;
+
+    static const int _jsonCurrentVersion = 1;
+
+    static const char* _jsonInclusionKey;
+};