Rework disabling of setup pages while vehicle is armed

This will make setup pages respond accordingly to armed state
transitions. This will also allow the settings on a page to at least be
visible while they are disabled.

src/AutoPilotPlugins/APM/APMSafetyComponentSub.qml

@@ -22,6 +22,7 @@ import QGroundControl.ScreenTools   1.0
 SetupPage {
     id:                 safetyPage
     pageComponent:      safetyPageComponent
+    visibleWhileArmed:   true
 
     Component {
         id: safetyPageComponent

src/AutoPilotPlugins/Common/SetupPage.qml

@@ -32,8 +32,51 @@ QGCView {
 
     property real _margins: ScreenTools.defaultFontPixelHeight / 2
 
+    property bool visibleWhileArmed: false
+
+    property bool vehicleArmed: QGroundControl.multiVehicleManager.activeVehicle ? QGroundControl.multiVehicleManager.activeVehicle.armed : false
+
+    onVehicleArmedChanged: {
+        if (visibleWhileArmed) {
+            return
+        }
+
+        if (vehicleArmed) {
+            disabledWhileArmed.visible = true
+            setupView.viewPanel.enabled = false
+        } else {
+            disabledWhileArmed.visible = false
+            setupView.viewPanel.enabled = true
+        }
+    }
+
     QGCPalette { id: qgcPal; colorGroupEnabled: setupPanel.enabled }
 
+    // Overlay to display when vehicle is armed and the setup page needs
+    // to be disabled
+    Item {
+        id: disabledWhileArmed
+        visible: false
+        z: 9999
+        anchors.fill: parent
+        Rectangle {
+            anchors.fill: parent
+            color: "black"
+            opacity: 0.5
+        }
+
+        QGCLabel {
+            anchors.margins:        _defaultTextWidth * 2
+            anchors.fill:           parent
+            verticalAlignment:      Text.AlignVCenter
+            horizontalAlignment:    Text.AlignHCenter
+            wrapMode:               Text.WordWrap
+            font.pointSize:         ScreenTools.largeFontPointSize
+            color:                  "red"
+            text:                   "Setup disabled while the vehicle is armed"
+        }
+    }
+
     QGCViewPanel {
         id:             setupPanel
         anchors.fill:   parent
@@ -68,7 +111,6 @@ QGCView {
                 id:                 pageLoader
                 anchors.topMargin:  _margins
                 anchors.top:        headingColumn.bottom
-
             }
         }
     }

src/VehicleSetup/FirmwareUpgrade.qml

@@ -21,7 +21,7 @@ import QGroundControl.Palette       1.0
 import QGroundControl.Controllers   1.0
 import QGroundControl.ScreenTools   1.0
 
-QGCView {
+SetupPage {
     id:         qgcView
     viewPanel:  panel
 
@@ -30,7 +30,8 @@ QGCView {
     // a better way to hightlight them, or use less hightlights.
 
     // User visible strings
-    readonly property string title:             "FIRMWARE"
+    pageName:                                   "Firmware"
+
     readonly property string highlightPrefix:   "<font color=\"" + qgcPal.warningText + "\">"
     readonly property string highlightSuffix:   "</font>"
     readonly property string welcomeText:       qsTr("%1 can upgrade the firmware on Pixhawk devices, SiK Radios and PX4 Flow Smart Cameras.").arg(QGroundControl.appName)

src/VehicleSetup/SetupView.qml

@@ -56,23 +56,13 @@ Rectangle {
     function showFirmwarePanel()
     {
         if (!ScreenTools.isMobile) {
-            if (QGroundControl.multiVehicleManager.activeVehicleAvailable && QGroundControl.multiVehicleManager.activeVehicle.armed) {
-                _messagePanelText = _armedVehicleText
-                panelLoader.setSourceComponent(messagePanelComponent)
-            } else {
-                panelLoader.setSource("FirmwareUpgrade.qml")
-            }
+            panelLoader.setSource("FirmwareUpgrade.qml")
         }
     }
 
     function showJoystickPanel()
     {
-        if (QGroundControl.multiVehicleManager.activeVehicleAvailable && QGroundControl.multiVehicleManager.activeVehicle.armed) {
-            _messagePanelText = _armedVehicleText
-            panelLoader.setSourceComponent(messagePanelComponent)
-        } else {
-            panelLoader.setSource("JoystickConfig.qml")
-        }
+        panelLoader.setSource("JoystickConfig.qml")
     }
 
     function showParametersPanel()
@@ -87,24 +77,19 @@ Rectangle {
 
     function showVehicleComponentPanel(vehicleComponent)
     {
-        if (QGroundControl.multiVehicleManager.activeVehicle.armed && !vehicleComponent.allowSetupWhileArmed) {
-            _messagePanelText = _armedVehicleText
+        var autopilotPlugin = QGroundControl.multiVehicleManager.activeVehicle.autopilot
+        var prereq = autopilotPlugin.prerequisiteSetup(vehicleComponent)
+        if (prereq !== "") {
+            //-- TODO: This cannot be translated when built this way.
+            _messagePanelText = prereq + " setup must be completed prior to " + vehicleComponent.name + " setup."
             panelLoader.setSourceComponent(messagePanelComponent)
         } else {
-            var autopilotPlugin = QGroundControl.multiVehicleManager.activeVehicle.autopilot
-            var prereq = autopilotPlugin.prerequisiteSetup(vehicleComponent)
-            if (prereq !== "") {
-                //-- TODO: This cannot be trasnlated when built this way.
-                _messagePanelText = prereq + " setup must be completed prior to " + vehicleComponent.name + " setup."
-                panelLoader.setSourceComponent(messagePanelComponent)
-            } else {
-                panelLoader.setSource(vehicleComponent.setupSource, vehicleComponent)
-                for(var i = 0; i < componentRepeater.count; i++) {
-                    var obj = componentRepeater.itemAt(i);
-                    if (obj.text === vehicleComponent.name) {
-                        obj.checked = true;
-                        break;
-                    }
+            panelLoader.setSource(vehicleComponent.setupSource, vehicleComponent)
+            for(var i = 0; i < componentRepeater.count; i++) {
+                var obj = componentRepeater.itemAt(i);
+                if (obj.text === vehicleComponent.name) {
+                    obj.checked = true;
+                    break;
                 }
             }
         }
@@ -170,6 +155,7 @@ Rectangle {
             }
         }
     }
+
     Component {
         id: missingParametersVehicleSummaryComponent