Linux fixes

src/Microhard/MicrohardSettings.qml

@@ -37,7 +37,7 @@ Rectangle {
     property real _valueWidth:                  ScreenTools.defaultFontPixelWidth * 20
     property real _panelWidth:                  _root.width * _internalWidthRatio
     property Fact _microhardEnabledFact:        QGroundControl.settingsManager.appSettings.enableMicrohard
-    property bool _microhardEnabled:            _microhardEnabledFact.rawValue
+    property bool _microhardEnabled:            _microhardEnabledFact ? _microhardEnabledFact.rawValue : false
 
     readonly property real _internalWidthRatio:          0.8
 
@@ -80,7 +80,7 @@ Rectangle {
                                 text:       qsTr("Enable Microhard")
                                 fact:       _microhardEnabledFact
                                 enabled:    true
-                                visible:    _microhardEnabledFact.visible
+                                visible:    _microhardEnabledFact ? _microhardEnabledFact.visible : false
                             }
                         }
                     }

src/PairingManager/PairingNFC.cc

@@ -144,7 +144,7 @@ void PairingNFC::run()
     while(!_exitThread)
     {
         qCDebug(PairingNFCLog) << "Waiting for NFC connection";
-        qgcApp()->toolbox()->pairingManager()->setStatusMessage(tr("Waiting for NFC connection"));
+        qgcApp()->toolbox()->pairingManager()->setStatusMessage(PairingManager::PairingActive, tr("Waiting for NFC connection"));
 
         // Wait until a peer is discovered
         while(NxpNci_WaitForDiscoveryNotification(&RfInterface) != NFC_SUCCESS);
@@ -158,14 +158,14 @@ void PairingNFC::run()
             qCDebug(PairingNFCLog) << "Wrong discovery";
         }
     }
-    qgcApp()->toolbox()->pairingManager()->setStatusMessage("");
+    qgcApp()->toolbox()->pairingManager()->setStatusMessage(PairingManager::PairingIdle, "");
     qCDebug(PairingNFCLog) << "NFC: Stop";
 }
 
 //-----------------------------------------------------------------------------
 void PairingNFC::task_nfc_reader(NxpNci_RfIntf_t RfIntf)
 {
-    qgcApp()->toolbox()->pairingManager()->setStatusMessage(tr("Device detected"));
+    qgcApp()->toolbox()->pairingManager()->setStatusMessage(PairingManager::PairingActive, tr("Device detected"));
     qCDebug(PairingNFCLog) << "NFC: Device detected";
     // For each discovered cards
     while(!_exitThread) {
@@ -202,7 +202,7 @@ void PairingNFC::task_nfc_reader(NxpNci_RfIntf_t RfIntf)
     // Wait for card removal
     NxpNci_ProcessReaderMode(RfIntf, PRESENCE_CHECK);
 
-    qgcApp()->toolbox()->pairingManager()->setStatusMessage(tr("Device removed"));
+    qgcApp()->toolbox()->pairingManager()->setStatusMessage(PairingManager::PairingActive, tr("Device removed"));
     qCDebug(PairingNFCLog) << "NFC device removed";
 
     // Restart discovery loop

src/ui/toolbar/PairingIndicator.qml

@@ -24,8 +24,9 @@ Item {
     width:          pairingRow.width * 1.1
     anchors.top:    parent.top
     anchors.bottom: parent.bottom
-    property bool _light:        qgcPal.globalTheme === QGCPalette.Light && !activeVehicle
-    property real _contentWidth: ScreenTools.defaultFontPixelWidth * 30
+    property bool _light:           qgcPal.globalTheme === QGCPalette.Light && !activeVehicle
+    property real _contentWidth:    ScreenTools.defaultFontPixelWidth  * 30
+    property real _contentSpacing:  ScreenTools.defaultFontPixelHeight * 0.5
     Row {
         id:                     pairingRow
         spacing:                ScreenTools.defaultFontPixelWidth
@@ -91,7 +92,7 @@ Item {
             anchors.centerIn:   parent
             Column {
                 id:                 comboListCol
-                spacing:            ScreenTools.defaultFontPixelHeight
+                spacing:            _contentSpacing
                 anchors.centerIn:   parent
                 Item { width: 1; height: 1; }
                 QGCLabel {
@@ -103,7 +104,7 @@ Item {
                 Item { width: 1; height: 1; }
                 Rectangle {
                     width:          ScreenTools.defaultFontPixelWidth  * 40
-                    height:         ScreenTools.defaultFontPixelHeight * 12
+                    height:         ScreenTools.defaultFontPixelHeight * 8
                     color:          Qt.rgba(0,0,0,0)
                     border.color:   qgcPal.text
                     border.width:   1
@@ -166,7 +167,7 @@ Item {
             anchors.centerIn:   parent
             Column {
                 id:                 mhCol
-                spacing:            ScreenTools.defaultFontPixelHeight
+                spacing:            _contentSpacing
                 anchors.centerIn:   parent
                 Item { width: 1; height: 1; }
                 QGCLabel {
@@ -186,7 +187,7 @@ Item {
                 Item { width: 1; height: 1; }
                 Rectangle {
                     width:          ScreenTools.defaultFontPixelWidth  * 40
-                    height:         ScreenTools.defaultFontPixelHeight * 12
+                    height:         ScreenTools.defaultFontPixelHeight * 8
                     color:          Qt.rgba(0,0,0,0)
                     border.color:   qgcPal.text
                     border.width:   1
@@ -235,7 +236,7 @@ Item {
             anchors.centerIn:   parent
             Column {
                 id:                 nfcCol
-                spacing:            ScreenTools.defaultFontPixelHeight
+                spacing:            _contentSpacing
                 anchors.centerIn:   parent
                 Item { width: 1; height: 1; }
                 QGCLabel {
@@ -304,7 +305,7 @@ Item {
             anchors.centerIn:   parent
             Column {
                 id:                 connectionCol
-                spacing:            ScreenTools.defaultFontPixelHeight
+                spacing:            _contentSpacing * 2
                 anchors.centerIn:   parent
                 Item { width: 1; height: 1; }
                 QGCLabel {