0031777: Visualization - improve SelectMgr_EntityOwner to process selection scheme

The selection scheme has been propagated to Owner object interface, and the
AIS_Selection::Select() method has been replaced to unify the logic.

src/SelectMgr/SelectMgr_EntityOwner.cxx

@@ -83,6 +83,51 @@ void SelectMgr_EntityOwner::HilightWithColor (const Handle(PrsMgr_PresentationMa
   }
 }
 
+// =======================================================================
+// function : Select
+// purpose  :
+// =======================================================================
+Standard_Boolean SelectMgr_EntityOwner::Select (const AIS_SelectionScheme theSelScheme,
+                                                const Standard_Boolean theIsDetected) const
+{
+  switch (theSelScheme)
+  {
+    case AIS_SelectionScheme_UNKNOWN:
+    {
+      return myIsSelected;
+    }
+    case AIS_SelectionScheme_Replace:
+    {
+      return theIsDetected;
+    }
+    case AIS_SelectionScheme_Add:
+    {
+      return !myIsSelected || theIsDetected || IsForcedHilight();
+    }
+    case AIS_SelectionScheme_Remove:
+    {
+      return myIsSelected && !theIsDetected;
+    }
+    case AIS_SelectionScheme_XOR:
+    {
+      if (theIsDetected)
+      {
+        return !myIsSelected && !IsForcedHilight();
+      }
+      return myIsSelected;
+    }
+    case AIS_SelectionScheme_Clear:
+    {
+      return Standard_False;
+    }
+    case AIS_SelectionScheme_ReplaceExtra:
+    {
+      return theIsDetected;
+    }
+  }
+  return Standard_False;
+}
+
 // =======================================================================
 // function : DumpJson
 // purpose  :

src/SelectMgr/SelectMgr_EntityOwner.hxx

@@ -17,6 +17,7 @@
 #ifndef _SelectMgr_EntityOwner_HeaderFile
 #define _SelectMgr_EntityOwner_HeaderFile
 
+#include <AIS_SelectionScheme.hxx>
 #include <Aspect_VKey.hxx>
 #include <PrsMgr_PresentationManager.hxx>
 #include <SelectMgr_SelectableObject.hxx>
@@ -139,6 +140,12 @@ public:
   //! @param theIsSelected [in] shows if owner is selected.
   void SetSelected (const Standard_Boolean theIsSelected) { myIsSelected = theIsSelected; }
 
+  //! If the object needs to be selected, it returns true.
+  //! @param[in] theSelScheme  selection scheme
+  //! @param[in] theIsDetected flag of object detection
+  Standard_EXPORT Standard_Boolean Select (const AIS_SelectionScheme theSelScheme,
+                                           const Standard_Boolean theIsDetected) const;
+
   //! Returns selection state.
   Standard_DEPRECATED ("Deprecated method - IsSelected() should be used instead")
   Standard_Integer State() const { return myIsSelected ? 1 : 0; }