Switch custom firmware file picker to QtQuick

With the switch to QtQuick, all file dialogs from the c++ side no longer work. This was marked as TODO and fell through the cracks.

src/VehicleSetup/FirmwareUpgrade.qml

@@ -79,6 +79,18 @@ SetupPage {
                 _defaultFirmwareIsPX4 = _defaultFirmwareFact.rawValue === _defaultFimwareTypePX4 // we don't want this to be bound and change as radios are selected
             }
 
+            QGCFileDialog {
+                id:                 customFirmwareDialog
+                title:              qsTr("Select Firmware File")
+                nameFilters:        [qsTr("Firmware Files (*.px4 *.apj *.bin *.ihx)"), qsTr("All Files (*)")]
+                selectExisting:     true
+                folder:             QGroundControl.settingsManager.appSettings.logSavePath
+                onAcceptedForLoad: {
+                    controller.flashFirmwareUrl(file)
+                    close()
+                }
+            }
+
             FirmwareUpgradeController {
                 id:             controller
                 progressBar:    progressBar
@@ -117,8 +129,9 @@ SetupPage {
                             statusTextArea.append(highlightPrefix + qsTr("Multiple devices detected! Remove all detected devices to perform the firmware upgrade."))
                             statusTextArea.append(qsTr("Detected [%1]: ").arg(availableDevices.length) + availableDevices.join(", "))
                         }
-
-                        QGroundControl.multiVehicleManager.activeVehicle.autoDisconnect = true
+                        if(QGroundControl.multiVehicleManager.activeVehicle) {
+                            QGroundControl.multiVehicleManager.activeVehicle.autoDisconnect = true
+                        }
                     } else {
                         // We end up here when we detect a board plugged in after we've started upgrade
                         statusTextArea.append(highlightPrefix + qsTr("Found device") + highlightSuffix + ": " + controller.boardType)
@@ -210,7 +223,12 @@ SetupPage {
                                     }
                                 }
                             }
-                            controller.flash(stack, firmwareBuildType, vehicleType)
+                            //-- If custom, get file path
+                            if (firmwareBuildType === FirmwareUpgradeController.CustomFirmware) {
+                                customFirmwareDialog.openForLoad()
+                            } else {
+                                controller.flash(stack, firmwareBuildType, vehicleType)
+                            }
                             hideDialog()
                         }
                     }
@@ -220,7 +238,6 @@ SetupPage {
                         cancelFlash()
                     }
 
-
                     Connections {
                         target:         firmwarePage
                         onCancelDialog: reject()
@@ -304,6 +321,13 @@ SetupPage {
 
                         Column {
 
+                            Component.onCompleted: {
+                                if(!QGroundControl.apmFirmwareSupported) {
+                                    _defaultFirmwareFact.rawValue = _defaultFimwareTypePX4
+                                    firmwareVersionChanged(firmwareBuildTypeList)
+                                }
+                            }
+
                             QGCRadioButton {
                                 id:             px4FlightStackRadio
                                 text:           qsTr("PX4 Pro ")
@@ -371,7 +395,7 @@ SetupPage {
                             anchors.right:  parent.right
                             wrapMode:       Text.WordWrap
                             text:           qsTr("No Firmware Available")
-                            visible:        !controller.downloadingFirmwareList && controller.apmFirmwareNames.length === 0
+                            visible:        !controller.downloadingFirmwareList && (QGroundControl.apmFirmwareSupported && controller.apmFirmwareNames.length === 0)
                         }
 
                         QGCComboBox {

src/VehicleSetup/FirmwareUpgradeController.cc

@@ -93,12 +93,17 @@ FirmwareUpgradeController::FirmwareUpgradeController(void)
     
     connect(&_eraseTimer, &QTimer::timeout, this, &FirmwareUpgradeController::_eraseProgressTick);
 
+#if !defined(NO_ARDUPILOT_DIALECT)
     connect(_apmChibiOSSetting,     &Fact::rawValueChanged, this, &FirmwareUpgradeController::_buildAPMFirmwareNames);
     connect(_apmVehicleTypeSetting, &Fact::rawValueChanged, this, &FirmwareUpgradeController::_buildAPMFirmwareNames);
+#endif
 
     _initFirmwareHash();
     _determinePX4StableVersion();
+
+#if !defined(NO_ARDUPILOT_DIALECT)
     _downloadArduPilotManifest();
+#endif
 }
 
 FirmwareUpgradeController::~FirmwareUpgradeController()
@@ -478,16 +483,12 @@ QHash<FirmwareUpgradeController::FirmwareIdentifier, QString>* FirmwareUpgradeCo
     return &_rgFirmwareDynamic;
 }
 
-/// @brief Prompts the user to select a firmware file if needed and moves the state machine to the next state.
 void FirmwareUpgradeController::_getFirmwareFile(FirmwareIdentifier firmwareId)
 {
     QHash<FirmwareIdentifier, QString>* prgFirmware = _firmwareHashForBoardId(static_cast<int>(_bootloaderBoardID));
-    
     if (firmwareId.firmwareType == CustomFirmware) {
-        _firmwareFilename = QString(); //-- TODO: QGCQFileDialog::getOpenFileName(nullptr,                                                                // Parent to main window
-                                                  //          tr("Select Firmware File"),                                             // Dialog Caption
-                                                  //          QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation),    // Initial directory
-                                                  //          tr("Firmware Files (*.px4 *.apj *.bin *.ihx)"));                              // File filter
+        _firmwareFilename = QString();
+        _errorCancel(tr("Custom firmware selected but no filename given."));
     } else {
         if (prgFirmware->contains(firmwareId)) {
             _firmwareFilename = prgFirmware->value(firmwareId);
@@ -673,6 +674,7 @@ void FirmwareUpgradeController::setSelectedFirmwareBuildType(FirmwareBuildType_t
 
 void FirmwareUpgradeController::_buildAPMFirmwareNames(void)
 {
+#if !defined(NO_ARDUPILOT_DIALECT)
     qCDebug(FirmwareUpgradeLog) << "_buildAPMFirmwareNames";
 
     bool                    chibios =       _apmChibiOSSetting->rawValue().toInt() == 0;
@@ -717,6 +719,7 @@ void FirmwareUpgradeController::_buildAPMFirmwareNames(void)
     }
 
     emit apmFirmwareNamesChanged();
+#endif
 }
 
 FirmwareUpgradeController::FirmwareVehicleType_t FirmwareUpgradeController::vehicleTypeFromFirmwareSelectionIndex(int index)