MotorComponent: use same implementation as for APM

Except for motorIndexToLetter()

src/AutoPilotPlugins/Common/MotorComponent.qml

@@ -20,9 +20,10 @@ SetupPage {
     id:             motorPage
     pageComponent:  pageComponent
 
-    readonly property int _barHeight:       10
-    readonly property int _barWidth:        5
-    readonly property int _sliderHeight:    10
+    readonly property int _barHeight:           10
+    readonly property int _barWidth:            5
+    readonly property int _sliderHeight:        10
+    readonly property int _motorTimeoutSecs:    3
 
     FactPanelController {
         id:             controller
@@ -32,7 +33,13 @@ SetupPage {
         id: pageComponent
 
         Column {
-            spacing: 10
+            spacing: ScreenTools.defaultFontPixelHeight
+
+            QGCLabel {
+                text:       qsTr("Warning: Unable to determine motor count")
+                color:      qgcPal.warningText
+                visible:    controller.vehicle.motorCount == -1
+            }
 
             Row {
                 id:         motorSliders
@@ -46,20 +53,6 @@ SetupPage {
                     Column {
                         property alias motorSlider: slider
 
-                        Timer {
-                            interval:       250
-                            running:        true
-                            repeat:         true
-
-                            property real _lastValue: 0
-
-                            onTriggered: {
-                                if (_lastValue !== slider.value) {
-                                    controller.vehicle.motorTest(index + 1, slider.value, 1)
-                                }
-                            }
-                        }
-
                         QGCLabel {
                             anchors.horizontalCenter:   parent.horizontalCenter
                             text:                       index + 1
@@ -69,8 +62,30 @@ SetupPage {
                             id:                         slider
                             height:                     ScreenTools.defaultFontPixelHeight * _sliderHeight
                             orientation:                Qt.Vertical
+                            minimumValue:               0
                             maximumValue:               100
+                            stepSize:                   1
                             value:                      0
+                            updateValueWhileDragging:   false
+
+                            onValueChanged: {
+                                controller.vehicle.motorTest(index + 1, value, value == 0 ? 0 : _motorTimeoutSecs)
+                                if (value != 0) {
+                                    motorTimer.restart()
+                                }
+                            }
+
+                            Timer {
+                                id:             motorTimer
+                                interval:       _motorTimeoutSecs * 1000
+                                repeat:         false
+                                running:        false
+
+                                onTriggered: {
+                                    allSlider.value = 0
+                                    slider.value = 0
+                                }
+                            }
                         }
                     } // Column
                 } // Repeater
@@ -85,8 +100,11 @@ SetupPage {
                         id:                         allSlider
                         height:                     ScreenTools.defaultFontPixelHeight * _sliderHeight
                         orientation:                Qt.Vertical
+                        minimumValue:               0
                         maximumValue:               100
+                        stepSize:                   1
                         value:                      0
+                        updateValueWhileDragging:   false
 
                         onValueChanged: {
                             for (var sliderIndex=0; sliderIndex<sliderRepeater.count; sliderIndex++) {
@@ -95,16 +113,6 @@ SetupPage {
                         }
                     }
                 } // Column
-
-                MultiRotorMotorDisplay {
-                    anchors.top:    parent.top
-                    anchors.bottom: parent.bottom
-                    width:          height
-                    motorCount:     controller.vehicle.motorCount
-                    xConfig:        controller.vehicle.xConfigMotors
-                    coaxial:        controller.vehicle.coaxialMotors
-                }
-
             } // Row
 
             QGCLabel {
@@ -131,7 +139,7 @@ SetupPage {
 
                 QGCLabel {
                     color:  qgcPal.warningText
-                    text:   qsTr("Propellers are removed - Enable motor sliders")
+                    text:   safetySwitch.checked ? qsTr("Careful: Motor sliders are enabled") : qsTr("Propellers are removed - Enable motor sliders")
                 }
             } // Row
         } // Column