Allow plugins to create (native) root window

src/QGCApplication.cc

@@ -79,6 +79,7 @@
 #include "QGCMapPolygon.h"
 #include "ParameterManager.h"
 #include "SettingsManager.h"
+#include "QGCCorePlugin.h"
 
 #ifndef NO_SERIAL_LINK
 #include "SerialLink.h"
@@ -395,11 +396,7 @@ bool QGCApplication::_initForNormalAppBoot(void)
     connect(this, &QGCApplication::lastWindowClosed, this, QGCApplication::quit);
 
 #ifdef __mobile__
-    _qmlAppEngine = new QQmlApplicationEngine(this);
-    _qmlAppEngine->addImportPath("qrc:/qml");
-    _qmlAppEngine->rootContext()->setContextProperty("joystickManager", toolbox()->joystickManager());
-    _qmlAppEngine->rootContext()->setContextProperty("debugMessageModel", AppMessages::getModel());
-    _qmlAppEngine->load(QUrl(QStringLiteral("qrc:/qml/MainWindowNative.qml")));
+    _qmlAppEngine = toolbox()->corePlugin()->createRootWindow(this);
 #else
     // Start the user interface
     MainWindow* mainWindow = MainWindow::_create();

src/api/QGCCorePlugin.cc

@@ -7,11 +7,13 @@
  *
  ****************************************************************************/
 
+#include "QGCApplication.h"
 #include "QGCCorePlugin.h"
 #include "QGCOptions.h"
 #include "QGCSettings.h"
 #include "FactMetaData.h"
 #include "SettingsManager.h"
+#include "AppMessages.h"
 
 #include <QtQml>
 #include <QQmlEngine>
@@ -213,3 +215,13 @@ void QGCCorePlugin::valuesWidgetDefaultSettings(QStringList& largeValues, QStrin
     Q_UNUSED(smallValues);
     largeValues << "Vehicle.altitudeRelative" << "Vehicle.groundSpeed" << "Vehicle.flightTime";
 }
+
+QQmlApplicationEngine* QGCCorePlugin::createRootWindow(QObject *parent)
+{
+    QQmlApplicationEngine* pEngine = new QQmlApplicationEngine(parent);
+    pEngine->addImportPath("qrc:/qml");
+    pEngine->rootContext()->setContextProperty("joystickManager", qgcApp()->toolbox()->joystickManager());
+    pEngine->rootContext()->setContextProperty("debugMessageModel", AppMessages::getModel());
+    pEngine->load(QUrl(QStringLiteral("qrc:/qml/MainWindowNative.qml")));
+    return pEngine;
+}

src/api/QGCCorePlugin.h

@@ -27,6 +27,7 @@ class QGCSettings;
 class QGCCorePlugin_p;
 class FactMetaData;
 class QGeoPositionInfoSource;
+class QQmlApplicationEngine;
 
 class QGCCorePlugin : public QGCTool
 {
@@ -83,9 +84,12 @@ public:
     /// Allows a plugin to override the specified color name from the palette
     virtual void paletteOverride(QString colorName, QGCPalette::PaletteColorInfo_t& colorInfo);
 
-    /// Allows the plugin the override the default settings for the Values Widget large and small values
+    /// Allows the plugin to override the default settings for the Values Widget large and small values
     virtual void valuesWidgetDefaultSettings(QStringList& largeValues, QStringList& smallValues);
 
+    /// Allows the plugin to override the creation of the root (native) window.
+    virtual QQmlApplicationEngine* createRootWindow(QObject* parent);
+
     bool showTouchAreas(void) const { return _showTouchAreas; }
     bool showAdvancedUI(void) const { return _showAdvancedUI; }
     void setShowTouchAreas(bool show);