Removed all sorts of menu entries and widgets not available on the various platforms

src/ui/MainWindow.cc

-/*=====================================================================
-
-QGroundControl Open Source Ground Control Station
-
-(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
-
-This file is part of the QGROUNDCONTROL project
-
-    QGROUNDCONTROL is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    QGROUNDCONTROL is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
-
+/*===================================================================
 ======================================================================*/
 
 /**
@@ -135,14 +115,16 @@ void MainWindow::buildWidgets()
     mapWidget         = new MapWidget(this);
     protocolWidget    = new XMLCommProtocolWidget(this);
     dataplotWidget    = new QGCDataPlot2D(this);
-    #ifdef QGC_OSG_ENABLED
+#ifdef QGC_OSG_ENABLED
     _3DWidget         = Q3DWidgetFactory::get("PIXHAWK");
-    #endif
+#endif
 
 #ifdef QGC_OSGEARTH_ENABLED
     _3DMapWidget = Q3DWidgetFactory::get("MAP3D");
 #endif
+#if (defined Q_OS_WIN) | (defined Q_OS_MAC)
     gEarthWidget = new QGCGoogleEarthView(this);
+#endif
 
     // Dock widgets
     controlDockWidget = new QDockWidget(tr("Control"), this);
@@ -234,13 +216,15 @@ void MainWindow::arrangeCenterStack()
     if (linechartWidget) centerStack->addWidget(linechartWidget);
     if (protocolWidget) centerStack->addWidget(protocolWidget);
     if (mapWidget) centerStack->addWidget(mapWidget);
-    #ifdef QGC_OSG_ENABLED
+#ifdef QGC_OSG_ENABLED
     if (_3DWidget) centerStack->addWidget(_3DWidget);
 #endif
-    #ifdef QGC_OSGEARTH_ENABLED
+#ifdef QGC_OSGEARTH_ENABLED
     if (_3DMapWidget) centerStack->addWidget(_3DMapWidget);
-    #endif
+#endif
+#if (defined Q_OS_WIN) | (defined Q_OS_MAC)
     if (gEarthWidget) centerStack->addWidget(gEarthWidget);
+#endif
     if (hudWidget) centerStack->addWidget(hudWidget);
     if (dataplotWidget) centerStack->addWidget(dataplotWidget);
 
@@ -380,8 +364,17 @@ void MainWindow::connectActions()
     connect(ui.actionPilotView, SIGNAL(triggered()), this, SLOT(loadPilotView()));
     connect(ui.actionEngineerView, SIGNAL(triggered()), this, SLOT(loadEngineerView()));
     connect(ui.actionOperatorView, SIGNAL(triggered()), this, SLOT(loadOperatorView()));
+#ifdef QGC_OSG_ENABLED
     connect(ui.action3DView, SIGNAL(triggered()), this, SLOT(load3DView()));
+#else
+    ui.menuWindow->removeAction(ui.action3DView);
+#endif
+
+#ifdef QGC_OSGEARTH_ENABLED
     connect(ui.action3DMapView, SIGNAL(triggered()), this, SLOT(load3DMapView()));
+#else
+    ui.menuWindow->removeAction(ui.action3DMapView);
+#endif
     connect(ui.actionShow_full_view, SIGNAL(triggered()), this, SLOT(loadAllView()));
     connect(ui.actionShow_MAVLink_view, SIGNAL(triggered()), this, SLOT(loadMAVLinkView()));
     connect(ui.actionShow_data_analysis_view, SIGNAL(triggered()), this, SLOT(loadDataView()));
@@ -390,7 +383,11 @@ void MainWindow::connectActions()
     connect(ui.actionOnline_documentation, SIGNAL(triggered()), this, SLOT(showHelp()));
     connect(ui.actionCredits_Developers, SIGNAL(triggered()), this, SLOT(showCredits()));
     connect(ui.actionProject_Roadmap, SIGNAL(triggered()), this, SLOT(showRoadMap()));
+#if (defined Q_OS_WIN) | (defined Q_OS_MAC)
     connect(ui.actionGoogleEarthView, SIGNAL(triggered()), this, SLOT(loadGoogleEarthView()));
+#else
+    ui.menuWindow->removeAction(ui.actionGoogleEarthView);
+#endif
 
     // Joystick configuration
     connect(ui.actionJoystickSettings, SIGNAL(triggered()), this, SLOT(configure()));
@@ -935,17 +932,17 @@ void MainWindow::loadGlobalOperatorView()
         waypointsDockWidget->show();
     }
 
-//    // HORIZONTAL SITUATION INDICATOR
-//    if (hsiDockWidget)
-//    {
-//        HSIDisplay* hsi = dynamic_cast<HSIDisplay*>( hsiDockWidget->widget() );
-//        if (hsi)
-//        {
-//            addDockWidget(Qt::BottomDockWidgetArea, hsiDockWidget);
-//            hsiDockWidget->show();
-//            hsi->start();
-//        }
-//    }
+    //    // HORIZONTAL SITUATION INDICATOR
+    //    if (hsiDockWidget)
+    //    {
+    //        HSIDisplay* hsi = dynamic_cast<HSIDisplay*>( hsiDockWidget->widget() );
+    //        if (hsi)
+    //        {
+    //            addDockWidget(Qt::BottomDockWidgetArea, hsiDockWidget);
+    //            hsiDockWidget->show();
+    //            hsi->start();
+    //        }
+    //    }
 
     // PROCESS CONTROL
     if (watchdogControlDockWidget)
@@ -972,7 +969,7 @@ void MainWindow::loadGlobalOperatorView()
 
 void MainWindow::load3DMapView()
 {
-        #ifdef QGC_OSGEARTH_ENABLED
+#ifdef QGC_OSGEARTH_ENABLED
     clearView();
 
     // 3D map
@@ -1020,10 +1017,11 @@ void MainWindow::load3DMapView()
     }
 #endif
     this->show();
-        }
+}
 
 void MainWindow::loadGoogleEarthView()
 {
+    #if (defined Q_OS_WIN) | (defined Q_OS_MAC)
     clearView();
 
     // 3D map
@@ -1069,13 +1067,14 @@ void MainWindow::loadGoogleEarthView()
         }
     }
     this->show();
+#endif
 
-        }
+}
 
 
 void MainWindow::load3DView()
 {
-        #ifdef QGC_OSG_ENABLED
+#ifdef QGC_OSG_ENABLED
     clearView();
 
     // 3D map
@@ -1124,7 +1123,7 @@ void MainWindow::load3DView()
 #endif
     this->show();
 
-        }
+}
 
 void MainWindow::loadEngineerView()
 {