Fix binding loop

src/AutoPilotPlugins/PX4/FlightModesComponent.qml

@@ -260,7 +260,7 @@ QGCView {
                     thresholdValue:         controller.manualModeThreshold
                     thresholdDragEnabled:   false
 
-                    onModeChannelIndexChanged: controller.manualModeChannelIndex = modeChannelIndex
+                    onModeChannelIndexSelected: controller.manualModeChannelIndex = index
                 }
 
                 ModeSwitchDisplay {
@@ -308,7 +308,7 @@ QGCView {
                     thresholdValue:         controller.acroModeThreshold
                     thresholdDragEnabled:   true
 
-                    onModeChannelIndexChanged:  controller.acroModeChannelIndex = modeChannelIndex
+                    onModeChannelIndexSelected:  controller.acroModeChannelIndex = index
                     onThresholdValueChanged:    controller.acroModeThreshold = thresholdValue
 
                     Behavior on y { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 1000 } }
@@ -341,7 +341,7 @@ QGCView {
                     thresholdValue:         controller.posCtlModeThreshold
                     thresholdDragEnabled:   true
 
-                    onModeChannelIndexChanged:  controller.posCtlModeChannelIndex = modeChannelIndex
+                    onModeChannelIndexSelected:  controller.posCtlModeChannelIndex = index
                     onThresholdValueChanged:    controller.posCtlModeThreshold = thresholdValue
 
                     Behavior on y { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 1000 } }
@@ -374,7 +374,7 @@ QGCView {
                     thresholdValue:         controller.loiterModeThreshold
                     thresholdDragEnabled:   true
 
-                    onModeChannelIndexChanged:  controller.loiterModeChannelIndex = modeChannelIndex
+                    onModeChannelIndexSelected:  controller.loiterModeChannelIndex = index
                     onThresholdValueChanged:    controller.loiterModeThreshold = thresholdValue
 
                     Behavior on y { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 1000 } }
@@ -391,7 +391,7 @@ QGCView {
                     thresholdValue:         controller.returnModeThreshold
                     thresholdDragEnabled:   true
 
-                    onModeChannelIndexChanged:  controller.returnModeChannelIndex = modeChannelIndex
+                    onModeChannelIndexSelected:  controller.returnModeChannelIndex = index
                     onThresholdValueChanged:    controller.returnModeThreshold = thresholdValue
 
                     Behavior on y { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 1000 } }
@@ -408,7 +408,7 @@ QGCView {
                     thresholdValue:         controller.offboardModeThreshold
                     thresholdDragEnabled:   true
 
-                    onModeChannelIndexChanged:  controller.offboardModeChannelIndex = modeChannelIndex
+                    onModeChannelIndexSelected:  controller.offboardModeChannelIndex = index
                     onThresholdValueChanged:    controller.offboardModeThreshold = thresholdValue
 
                     Behavior on y { PropertyAnimation { easing.type: Easing.InOutQuad; duration: 1000 } }

src/QmlControls/ModeSwitchDisplay.qml

@@ -45,6 +45,8 @@ Rectangle {
     height:                 column.height + (ScreenTools.defaultFontPixelWidth * 2)
     color:                  _qgcPal.window
 
+    signal modeChannelIndexSelected(int index)
+
     QGCPalette { id: _qgcPal; colorGroupEnabled: enabled }
 
     Item {
@@ -82,7 +84,7 @@ Rectangle {
                     currentIndex:   modeChannelIndex
                     enabled:        modeChannelEnabled
 
-                    onActivated: modeChannelIndex = index
+                    onActivated: modeChannelIndexSelected(index)
                 }
 
                 QGCLabel {