QML UI: if we don't have a current position, update it later

Once we get a new fix we asynchronously update the text.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

mobile-widgets/qml/DiveDetailsEdit.qml

@@ -177,6 +177,12 @@ Item {
 						gpsText = manager.getCurrentPosition()
 				}
 			}
+			Connections {
+				target: manager
+				onWaitingForPositionChanged: {
+					gpsText = manager.getCurrentPosition()
+				}
+			}
 
 			Controls.Label {
 				Layout.alignment: Qt.AlignRight

mobile-widgets/qmlmanager.cpp

@@ -1297,7 +1297,12 @@ QString QMLManager::getCurrentPosition()
 	if (!hasLocationSource)
 		return tr("Unknown GPS location");
 
-	return locationProvider->currentPosition();
+	QString positionResponse = locationProvider->currentPosition();
+	if (positionResponse == GPS_CURRENT_POS)
+		connect(locationProvider, &GpsLocation::acquiredPosition, this, &QMLManager::waitingForPositionChanged, Qt::UniqueConnection);
+	else
+		disconnect(locationProvider, &GpsLocation::acquiredPosition, this, &QMLManager::waitingForPositionChanged);
+	return positionResponse;
 }
 
 void QMLManager::applyGpsData()

mobile-widgets/qmlmanager.h

@@ -280,6 +280,7 @@ signals:
 	void buddyListChanged();
 	void divemasterListChanged();
 	void locationListChanged();
+	void waitingForPositionChanged();
 };
 
 #endif