Fix reference to non-existent property

src/ui/toolbar/BatteryIndicator.qml

@@ -25,15 +25,17 @@ Item {
     anchors.bottom: parent.bottom
     width:          batteryIndicatorRow.width
 
+    property var _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle
+
     function getBatteryColor() {
-        if(activeVehicle) {
-            if(activeVehicle.battery.percentRemaining.value > 75) {
+        if(_activeVehicle) {
+            if(_activeVehicle.battery.percentRemaining.value > 75) {
                 return qgcPal.text
             }
-            if(activeVehicle.battery.percentRemaining.value > 50) {
+            if(_activeVehicle.battery.percentRemaining.value > 50) {
                 return colorOrange
             }
-            if(activeVehicle.battery.percentRemaining.value > 0.1) {
+            if(_activeVehicle.battery.percentRemaining.value > 0.1) {
                 return colorRed
             }
         }
@@ -41,15 +43,15 @@ Item {
     }
 
     function getBatteryPercentageText() {
-        if(activeVehicle) {
-            if(activeVehicle.battery.percentRemaining.value > 98.9) {
+        if(_activeVehicle) {
+            if(_activeVehicle.battery.percentRemaining.value > 98.9) {
                 return "100%"
             }
-            if(activeVehicle.battery.percentRemaining.value > 0.1) {
-                return activeVehicle.battery.percentRemaining.valueString + activeVehicle.battery.percentRemaining.units
+            if(_activeVehicle.battery.percentRemaining.value > 0.1) {
+                return _activeVehicle.battery.percentRemaining.valueString + _activeVehicle.battery.percentRemaining.units
             }
-            if(activeVehicle.battery.voltage.value >= 0) {
-                return activeVehicle.battery.voltage.valueString + activeVehicle.battery.voltage.units
+            if(_activeVehicle.battery.voltage.value >= 0) {
+                return _activeVehicle.battery.voltage.valueString + _activeVehicle.battery.voltage.units
             }
         }
         return "N/A"
@@ -87,9 +89,9 @@ Item {
                     anchors.horizontalCenter: parent.horizontalCenter
 
                     QGCLabel { text: qsTr("Voltage:") }
-                    QGCLabel { text: (activeVehicle && activeVehicle.battery.voltage.value != -1) ? (activeVehicle.battery.voltage.valueString + " " + activeVehicle.battery.voltage.units) : "N/A" }
+                    QGCLabel { text: (_activeVehicle && _activeVehicle.battery.voltage.value != -1) ? (_activeVehicle.battery.voltage.valueString + " " + _activeVehicle.battery.voltage.units) : "N/A" }
                     QGCLabel { text: qsTr("Accumulated Consumption:") }
-                    QGCLabel { text: (activeVehicle && activeVehicle.battery.mahConsumed.value != -1) ? (activeVehicle.battery.mahConsumed.valueString + " " + activeVehicle.battery.mahConsumed.units) : "N/A" }
+                    QGCLabel { text: (_activeVehicle && _activeVehicle.battery.mahConsumed.value != -1) ? (_activeVehicle.battery.mahConsumed.valueString + " " + _activeVehicle.battery.mahConsumed.units) : "N/A" }
                 }
             }
 
@@ -105,7 +107,7 @@ Item {
         id:             batteryIndicatorRow
         anchors.top:    parent.top
         anchors.bottom: parent.bottom
-        opacity:        (activeVehicle && activeVehicle.battery.voltage.value >= 0) ? 1 : 0.5
+        opacity:        (_activeVehicle && _activeVehicle.battery.voltage.value >= 0) ? 1 : 0.5
         QGCColoredImage {
             anchors.top:        parent.top
             anchors.bottom:     parent.bottom

src/ui/toolbar/MessageIndicator.qml

@@ -25,15 +25,17 @@ Item {
     anchors.top:    parent.top
     anchors.bottom: parent.bottom
 
+    property var _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle
+
     function getMessageColor() {
-        if (activeVehicle) {
-            if (activeVehicle.messageTypeNone)
+        if (_activeVehicle) {
+            if (_activeVehicle.messageTypeNone)
                 return colorGrey
-            if (activeVehicle.messageTypeNormal)
+            if (_activeVehicle.messageTypeNormal)
                 return colorBlue;
-            if (activeVehicle.messageTypeWarning)
+            if (_activeVehicle.messageTypeWarning)
                 return colorOrange;
-            if (activeVehicle.messageTypeError)
+            if (_activeVehicle.messageTypeError)
                 return colorRed;
             // Cannot be so make make it obnoxious to show error
             console.log("Invalid vehicle message type")
@@ -50,7 +52,7 @@ Item {
         sourceSize.height:  height
         fillMode:           Image.PreserveAspectFit
         cache:              false
-        visible:            activeVehicle && activeVehicle.messageCount > 0 && isMessageImportant
+        visible:            _activeVehicle && _activeVehicle.messageCount > 0 && isMessageImportant
     }
 
     QGCColoredImage {

src/ui/toolbar/ModeIndicator.qml

@@ -23,9 +23,12 @@ Item {
     anchors.top:    parent.top
     anchors.bottom: parent.bottom
     width:          flightModeSelector.width
+
+    property var _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle
+
     QGCLabel {
         id:                     flightModeSelector
-        text:                   activeVehicle ? activeVehicle.flightMode : qsTr("N/A", "No data to display")
+        text:                   _activeVehicle ? _activeVehicle.flightMode : qsTr("N/A", "No data to display")
         font.pointSize:         ScreenTools.mediumFontPointSize
         color:                  qgcPal.buttonText
         anchors.verticalCenter: parent.verticalCenter
@@ -35,20 +38,20 @@ Item {
         Component {
             id: flightModeMenuItemComponent
             MenuItem {
-                onTriggered: activeVehicle.flightMode = text
+                onTriggered: _activeVehicle.flightMode = text
             }
         }
         property var flightModesMenuItems: []
         function updateFlightModesMenu() {
-            if (activeVehicle && activeVehicle.flightModeSetAvailable) {
+            if (_activeVehicle && _activeVehicle.flightModeSetAvailable) {
                 // Remove old menu items
                 for (var i = 0; i < flightModesMenuItems.length; i++) {
                     flightModesMenu.removeItem(flightModesMenuItems[i])
                 }
                 flightModesMenuItems.length = 0
                 // Add new items
-                for (var i = 0; i < activeVehicle.flightModes.length; i++) {
-                    var menuItem = flightModeMenuItemComponent.createObject(null, { "text": activeVehicle.flightModes[i] })
+                for (var i = 0; i < _activeVehicle.flightModes.length; i++) {
+                    var menuItem = flightModeMenuItemComponent.createObject(null, { "text": _activeVehicle.flightModes[i] })
                     flightModesMenuItems.push(menuItem)
                     flightModesMenu.insertItem(i, menuItem)
                 }
@@ -60,7 +63,7 @@ Item {
             onActiveVehicleChanged: flightModeSelector.updateFlightModesMenu()
         }
         MouseArea {
-            visible:        activeVehicle && activeVehicle.flightModeSetAvailable
+            visible:        _activeVehicle && _activeVehicle.flightModeSetAvailable
             anchors.fill:   parent
             onClicked:      flightModesMenu.popup()
         }

src/ui/toolbar/RCRSSIIndicator.qml

@@ -24,7 +24,9 @@ Item {
     width:          rssiRow.width * 1.1
     anchors.top:    parent.top
     anchors.bottom: parent.bottom
-    visible:        activeVehicle ? activeVehicle.supportsRadio : true
+    visible:        _activeVehicle ? _activeVehicle.supportsRadio : true
+
+    property var _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle
 
     Component {
         id: rcRSSIInfo
@@ -45,21 +47,21 @@ Item {
 
                 QGCLabel {
                     id:             rssiLabel
-                    text:           activeVehicle ? (activeVehicle.rcRSSI != 255 ? qsTr("RC RSSI Status") : qsTr("RC RSSI Data Unavailable")) : qsTr("N/A", "No data available")
+                    text:           _activeVehicle ? (_activeVehicle.rcRSSI != 255 ? qsTr("RC RSSI Status") : qsTr("RC RSSI Data Unavailable")) : qsTr("N/A", "No data available")
                     font.family:    ScreenTools.demiboldFontFamily
                     anchors.horizontalCenter: parent.horizontalCenter
                 }
 
                 GridLayout {
                     id:                 rcrssiGrid
-                    visible:            activeVehicle && activeVehicle.rcRSSI != 255
+                    visible:            _activeVehicle && _activeVehicle.rcRSSI != 255
                     anchors.margins:    ScreenTools.defaultFontPixelHeight
                     columnSpacing:      ScreenTools.defaultFontPixelWidth
                     columns:            2
                     anchors.horizontalCenter: parent.horizontalCenter
 
                     QGCLabel { text: qsTr("RSSI:") }
-                    QGCLabel { text: activeVehicle ? (activeVehicle.rcRSSI + "%") : 0 }
+                    QGCLabel { text: _activeVehicle ? (_activeVehicle.rcRSSI + "%") : 0 }
                 }
             }
 
@@ -84,14 +86,14 @@ Item {
             sourceSize.height:  height
             source:             "/qmlimages/RC.svg"
             fillMode:           Image.PreserveAspectFit
-            opacity:            activeVehicle ? (((activeVehicle.rcRSSI < 0) || (activeVehicle.rcRSSI > 100)) ? 0.5 : 1) : 0.5
+            opacity:            _activeVehicle ? (((_activeVehicle.rcRSSI < 0) || (_activeVehicle.rcRSSI > 100)) ? 0.5 : 1) : 0.5
             color:              qgcPal.buttonText
         }
 
         SignalStrength {
             anchors.verticalCenter: parent.verticalCenter
             size:                   parent.height * 0.5
-            percent:                activeVehicle ? ((activeVehicle.rcRSSI > 100) ? 0 : activeVehicle.rcRSSI) : 0
+            percent:                _activeVehicle ? ((_activeVehicle.rcRSSI > 100) ? 0 : _activeVehicle.rcRSSI) : 0
         }
     }
 

src/ui/toolbar/TelemetryRSSIIndicator.qml

@@ -27,7 +27,10 @@ QGCColoredImage {
     source:             "/qmlimages/TelemRSSI.svg"
     fillMode:           Image.PreserveAspectFit
     color:              qgcPal.buttonText
-    visible:            activeVehicle ? (activeVehicle.telemetryLRSSI < 0) : false
+    visible:            _activeVehicle ? (_activeVehicle.telemetryLRSSI < 0) : false
+
+    property var _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle
+
     Component {
         id: telemRSSIInfo
         Rectangle {
@@ -55,19 +58,19 @@ QGCColoredImage {
                     columns:            2
                     anchors.horizontalCenter: parent.horizontalCenter
                     QGCLabel { text: qsTr("Local RSSI:") }
-                    QGCLabel { text: activeVehicle.telemetryLRSSI + " dBm" }
+                    QGCLabel { text: _activeVehicle.telemetryLRSSI + " dBm" }
                     QGCLabel { text: qsTr("Remote RSSI:") }
-                    QGCLabel { text: activeVehicle.telemetryRRSSI + " dBm" }
+                    QGCLabel { text: _activeVehicle.telemetryRRSSI + " dBm" }
                     QGCLabel { text: qsTr("RX Errors:") }
-                    QGCLabel { text: activeVehicle.telemetryRXErrors }
+                    QGCLabel { text: _activeVehicle.telemetryRXErrors }
                     QGCLabel { text: qsTr("Errors Fixed:") }
-                    QGCLabel { text: activeVehicle.telemetryFixed }
+                    QGCLabel { text: _activeVehicle.telemetryFixed }
                     QGCLabel { text: qsTr("TX Buffer:") }
-                    QGCLabel { text: activeVehicle.telemetryTXBuffer }
+                    QGCLabel { text: _activeVehicle.telemetryTXBuffer }
                     QGCLabel { text: qsTr("Local Noise:") }
-                    QGCLabel { text: activeVehicle.telemetryLNoise }
+                    QGCLabel { text: _activeVehicle.telemetryLNoise }
                     QGCLabel { text: qsTr("Remote Noise:") }
-                    QGCLabel { text: activeVehicle.telemetryRNoise }
+                    QGCLabel { text: _activeVehicle.telemetryRNoise }
                 }
             }
             Component.onCompleted: {