Handle fonts

src/QGCApplication.cc

@@ -25,6 +25,7 @@
 #include <QAction>
 #include <QStringListModel>
 #include <QRegularExpression>
+#include <QFontDatabase>
 
 #ifdef QGC_ENABLE_BLUETOOTH
 #include <QBluetoothLocalDevice>
@@ -466,6 +467,13 @@ void QGCApplication::_initCommon()
 
 bool QGCApplication::_initForNormalAppBoot()
 {
+    if(QFontDatabase::addApplicationFont(":/fonts/opensans") < 0) {
+        qWarning() << "Could not load /fonts/opensans font";
+    }
+    if(QFontDatabase::addApplicationFont(":/fonts/opensans-demibold") < 0) {
+        qWarning() << "Could not load /fonts/opensans-demibold font";
+    }
+
     QSettings settings;
 
     // Exit main application when last window is closed

src/ui/toolbar/MainToolBarIndicators.qml

@@ -98,7 +98,7 @@ Item {
         anchors.right:          parent.right
         anchors.top:            parent.top
         anchors.bottom:         parent.bottom
-        visible:                !communicationLost
+        visible:                activeVehicle && !communicationLost
         fillMode:               Image.PreserveAspectFit
         source:                 _outdoorPalette ? _brandImageOutdoor : _brandImageIndoor
         mipmap:                 true
@@ -133,7 +133,7 @@ Item {
         anchors.fill:       parent
         layoutDirection:    Qt.RightToLeft
         spacing:            ScreenTools.defaultFontPixelWidth
-        visible:            communicationLost
+        visible:            activeVehicle && communicationLost
 
         QGCButton {
             id:                     disconnectButton