Merge branch 'DNSLookup' of https://github.com/mavlink/qgroundcontrol into cameraControl

QGCSetup.pri

@@ -114,6 +114,8 @@ LinuxBuild {
         libQt5PrintSupport.so.5 \
         libQt5Qml.so.5 \
         libQt5Quick.so.5 \
+        libQt5QuickControls2.so.5 \
+        libQt5QuickTemplates2.so.5 \
         libQt5QuickWidgets.so.5 \
         libQt5SerialPort.so.5 \
         libQt5Sql.so.5 \

src/FactSystem/FactControls/FactTextField.qml

@@ -36,7 +36,7 @@ QGCTextField {
                 fact.value = text
             } else {
                 _validateString = text
-                qgcView.showDialog(validationErrorDialogComponent, qsTr("Invalid Value"), qgcView.showDialogDefaultWidth, StandardButton.Save)
+                qgcView.showDialog(validationErrorDialogComponent, qsTr("Invalid Value"), qgcView.showDialogDefaultWidth, StandardButton.Save | StandardButton.Cancel)
             }
         } else {
             fact.value = text

src/FlightMap/Widgets/QGCInstrumentWidgetAlternate.qml

@@ -27,6 +27,7 @@ Rectangle {
     border.width:   1
     border.color:   _isSatellite ? qgcPal.mapWidgetBorderLight : qgcPal.mapWidgetBorderDark
 
+    property var    _qgcView:           qgcView
     property real   _innerRadius:       (width - (_topBottomMargin * 3)) / 4
     property real   _outerRadius:       _innerRadius + _topBottomMargin
     property real   _defaultSize:       ScreenTools.defaultFontPixelHeight * (9)
@@ -94,7 +95,7 @@ Rectangle {
             anchors.margins:    1
             anchors.left:       parent.left
             anchors.right:      parent.right
-            qgcView:            root.qgcView
+            qgcView:            root._qgcView
             textColor:          qgcPal.text
             backgroundColor:    qgcPal.window
             maxHeight:          _availableValueHeight

src/QmlControls/AppMessages.cc

@@ -60,14 +60,14 @@ AppLogModel::AppLogModel() : QStringListModel()
     connect(this, &AppLogModel::emitLog, this, &AppLogModel::threadsafeLog, contype);
 }
 
-void AppLogModel::writeMessages(const QUrl dest_file)
+void AppLogModel::writeMessages(const QString dest_file)
 {
     const QString writebuffer(stringList().join('\n').append('\n'));
 
     QtConcurrent::run([dest_file, writebuffer] {
         emit debug_model->writeStarted();
         bool success = false;
-        QFile file(dest_file.toLocalFile());
+        QFile file(dest_file);
         if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
             QTextStream out(&file);
             out << writebuffer;

src/QmlControls/AppMessages.h

@@ -23,7 +23,7 @@ class AppLogModel : public QStringListModel
 {
     Q_OBJECT
 public:
-    Q_INVOKABLE void writeMessages(const QUrl dest_file);
+    Q_INVOKABLE void writeMessages(const QString dest_file);
     static void log(const QString message);
 
 signals:

src/QmlControls/AppMessages.qml

@@ -118,7 +118,7 @@ QGCView {
                 selectExisting: false
                 title:          qsTr("Select log save file")
                 onAcceptedForSave: {
-                    debugMessageModel.writeMessages(fileUrl);
+                    debugMessageModel.writeMessages(file);
                     visible = false;
                 }
             }

src/QmlControls/ParameterEditorDialog.qml

@@ -11,6 +11,7 @@ import QtQuick          2.3
 import QtQuick.Controls 1.2
 import QtQuick.Layouts  1.2
 
+import QGroundControl               1.0
 import QGroundControl.Controls      1.0
 import QGroundControl.Palette       1.0
 import QGroundControl.Controllers   1.0
@@ -28,6 +29,9 @@ QGCViewDialog {
 
     property real   _editFieldWidth:            ScreenTools.defaultFontPixelWidth * 20
     property bool   _longDescriptionAvailable:  fact.longDescription != ""
+    property bool   _editingParameter:          fact.componentId != 0
+    property bool   _allowForceSave:            QGroundControl.corePlugin.showAdvancedUI || !_editingParameter
+    property bool   _allowDefaultReset:         fact.defaultValueAvailable && (QGroundControl.corePlugin.showAdvancedUI || !_editingParameter)
 
     ParameterEditorController { id: controller; factPanel: parent }
 
@@ -49,11 +53,18 @@ QGCViewDialog {
                 hideDialog()
             } else {
                 validationError.text = errorString
-                forceSave.visible = true
+                if (_allowForceSave) {
+                    forceSave.visible = true
+                }
             }
         }
     }
 
+    function reject() {
+        fact.valueChanged(fact.value)
+        hideDialog();
+    }
+
     function bitmaskValue() {
         var value = 0;
         for (var i = 0; i < fact.bitmaskValues.length; ++i) {
@@ -68,7 +79,9 @@ QGCViewDialog {
     Component.onCompleted: {
         if (validate) {
             validationError.text = fact.validate(validateValue, false /* convertOnly */)
-            forceSave.visible = true
+            if (_allowForceSave) {
+                forceSave.visible = true
+            }
         }
     }
 
@@ -109,7 +122,7 @@ QGCViewDialog {
 
                 QGCButton {
                     anchors.baseline:   valueField.baseline
-                    visible:            fact.defaultValueAvailable
+                    visible:            _allowDefaultReset
                     text:               qsTr("Reset to default")
 
                     onClicked: {
@@ -195,7 +208,7 @@ QGCViewDialog {
 
                 QGCLabel {
                     text:       qsTr("Default: ") + fact.defaultValueString
-                    visible:    fact.defaultValueAvailable
+                    visible:    _allowDefaultReset
                 }
             }
 

src/QtLocationPlugin/QGCTileCacheWorker.cpp

@@ -52,6 +52,7 @@ QGCCacheWorker::QGCCacheWorker()
     , _defaultCount(0)
     , _lastUpdate(0)
     , _updateTimeout(SHORT_TIMEOUT)
+    , _hostLookupID(0)
 {
 
 }
@@ -73,6 +74,9 @@ QGCCacheWorker::setDatabaseFile(const QString& path)
 void
 QGCCacheWorker::quit()
 {
+    if(_hostLookupID) {
+        QHostInfo::abortHostLookup(_hostLookupID);
+    }
     _mutex.lock();
     while(_taskQueue.count()) {
         QGCMapTask* task = _taskQueue.dequeue();
@@ -1055,12 +1059,24 @@ QGCCacheWorker::_createDB(QSqlDatabase* db, bool createDefault)
 void
 QGCCacheWorker::_testInternet()
 {
-    QTcpSocket socket;
-    socket.connectToHost("www.github.com", 80);
-    if (socket.waitForConnected(2500)) {
-        qCDebug(QGCTileCacheLog) << "Yes Internet Access";
-        emit internetStatus(true);
-        return;
+    if(!_hostLookupID) {
+        _hostLookupID = QHostInfo::lookupHost("www.github.com", this, SLOT(_lookupReady(QHostInfo)));
+    }
+}
+
+//-----------------------------------------------------------------------------
+void
+QGCCacheWorker::_lookupReady(QHostInfo info)
+{
+    _hostLookupID = 0;
+    if(info.error() == QHostInfo::NoError && info.addresses().size()) {
+        QTcpSocket socket;
+        socket.connectToHost(info.addresses().first(), 80);
+        if (socket.waitForConnected(2000)) {
+            qCDebug(QGCTileCacheLog) << "Yes Internet Access";
+            emit internetStatus(true);
+            return;
+        }
     }
     qWarning() << "No Internet Access";
     emit internetStatus(false);

src/QtLocationPlugin/QGCTileCacheWorker.h

@@ -26,6 +26,7 @@
 #include <QWaitCondition>
 #include <QMutexLocker>
 #include <QtSql/QSqlDatabase>
+#include <QHostInfo>
 
 #include "QGCLoggingCategory.h"
 
@@ -49,6 +50,9 @@ public:
 protected:
     void    run             ();
 
+private slots:
+    void        _lookupReady            (QHostInfo info);
+
 private:
     void        _saveTile               (QGCMapTask* mtask);
     void        _getTile                (QGCMapTask* mtask);
@@ -93,6 +97,7 @@ private:
     quint32                 _defaultCount;
     time_t                  _lastUpdate;
     int                     _updateTimeout;
+    int                     _hostLookupID;
 };
 
 #endif // QGC_TILE_CACHE_WORKER_H

src/QtLocationPlugin/QMLControl/OfflineMap.qml

@@ -331,12 +331,14 @@ QGCView {
         id:                 panel
         anchors.fill:       parent
 
-        Map {
-            id:                 _map
-            anchors.fill:       parent
-            center:             QGroundControl.flightMapPosition
-            visible:            false
+        FlightMap {
+            id:                         _map
+            anchors.fill:               parent
+            visible:                    false
+            allowGCSLocationCenter:     true
+            allowVehicleLocationCenter: false
             gesture.flickDeceleration:  3000
+            mapName:                    "OfflineMap"
 
             property bool isSatelliteMap: activeMapType.name.indexOf("Satellite") > -1 || activeMapType.name.indexOf("Hybrid") > -1