add SoFCBackgroundGradient to inventor folder

src/Gui/CMakeLists.txt

@@ -1005,15 +1005,15 @@ SOURCE_GROUP("View3D\\Viewprovider" FILES ${Viewprovider_SRCS})
 
 # The Inventor sources
 SET(Inventor_CPP_SRCS
-    Inventor/SoDrawingGrid.cpp
-    Inventor/SoAutoZoomTranslation.cpp
     Inventor/MarkerBitmaps.cpp
     Inventor/SmSwitchboard.cpp
-    Inventor/SoFCBoundingBox.cpp
     Inventor/So3DAnnotation.cpp
+    Inventor/SoAutoZoomTranslation.cpp
     Inventor/SoAxisCrossKit.cpp
+    Inventor/SoDrawingGrid.cpp
+    Inventor/SoFCBackgroundGradient.cpp
+    Inventor/SoFCBoundingBox.cpp
     Inventor/SoMouseWheelEvent.cpp
-    SoFCBackgroundGradient.cpp
     SoFCColorBar.cpp
     SoFCColorBarNotifier.cpp
     SoFCColorGradient.cpp
@@ -1036,14 +1036,14 @@ SET(Inventor_CPP_SRCS
 )
 SET(Inventor_SRCS
     ${Inventor_CPP_SRCS}
-    Inventor/SoDrawingGrid.h
-    Inventor/SoAutoZoomTranslation.h
     Inventor/MarkerBitmaps.h
     Inventor/SmSwitchboard.h
-    Inventor/SoFCBoundingBox.h
+    Inventor/SoAutoZoomTranslation.h
     Inventor/SoAxisCrossKit.h
+    Inventor/SoDrawingGrid.h
+    Inventor/SoFCBackgroundGradient.h
+    Inventor/SoFCBoundingBox.h
     Inventor/SoMouseWheelEvent.h
-    SoFCBackgroundGradient.h
     SoFCColorBar.h
     SoFCColorBarNotifier.h
     SoFCColorGradient.h

src/Gui/SoFCDB.cpp

@@ -53,7 +53,6 @@
 #include "GestureNavigationStyle.h"
 #include "NavigationStyle.h"
 #include "SelectionObject.h"
-#include "SoFCBackgroundGradient.h"
 #include "SoFCColorBar.h"
 #include "SoFCColorGradient.h"
 #include "SoFCColorLegend.h"
@@ -72,6 +71,7 @@
 #include "Inventor/SoAutoZoomTranslation.h"
 #include "Inventor/SoAxisCrossKit.h"
 #include "Inventor/SoDrawingGrid.h"
+#include "Inventor/SoFCBackgroundGradient.h"
 #include "Inventor/SoFCBoundingBox.h"
 #include "Inventor/SoMouseWheelEvent.h"
 #include "propertyeditor/PropertyItem.h"

src/Gui/View3DInventorViewer.cpp

@@ -95,13 +95,13 @@
 #include "Document.h"
 #include "GLPainter.h"
 #include "Inventor/SoAxisCrossKit.h"
+#include "Inventor/SoFCBackgroundGradient.h"
 #include "Inventor/SoFCBoundingBox.h"
 #include "MainWindow.h"
 #include "Multisample.h"
 #include "NaviCube.h"
 #include "NavigationStyle.h"
 #include "Selection.h"
-#include "SoFCBackgroundGradient.h"
 #include "SoFCDB.h"
 #include "SoFCInteractiveElement.h"
 #include "SoFCOffscreenRenderer.h"