0026462: Visualization - selection does not adapt to line width change

- added interface for changing sensitivity of a particular selection through both interactive and local context;
- added corresponding methods for changing sensitivity to SelectMgr_SelectionManager, SelectMgr_Selection and SelectBasics_SensitiveEntity;
- option -setSensitivity was implemented in vaspects Draw command;
- test case for issue #26462

src/SelectBasics/SelectBasics_SensitiveEntity.cxx

@@ -45,3 +45,15 @@ const Handle(SelectBasics_EntityOwner)& SelectBasics_SensitiveEntity::OwnerId()
 {
   return myOwnerId;
 }
+
+//=======================================================================
+// function : SetSensitivityFactor
+// purpose  : Allows to manage sensitivity of a particular entity
+//=======================================================================
+void SelectBasics_SensitiveEntity::SetSensitivityFactor (const Standard_Integer theNewSens)
+{
+  Standard_ASSERT_RAISE (theNewSens > 0,
+    "Error! Selection sensitivity have positive value.");
+
+  mySFactor = theNewSens;
+}

src/SelectBasics/SelectBasics_SensitiveEntity.hxx

@@ -58,6 +58,9 @@ public:
   //! a specific entity in selection algorithms
   //! useful for small sized entities.
   Standard_EXPORT Standard_Integer SensitivityFactor() const;
+
+  //! Allows to manage sensitivity of a particular sensitive entity
+  Standard_EXPORT void SetSensitivityFactor (const Standard_Integer theNewSens);
   
   //! Returns the number of sub-entities or elements in
   //! sensitive entity. Is used to determine if entity is
@@ -88,9 +91,6 @@ protected:
 
   Standard_EXPORT SelectBasics_SensitiveEntity (const Handle(SelectBasics_EntityOwner)& theOwnerId);
 
-  //! Allows to manage the sensitivity of the entity
-    void SetSensitivityFactor (const Standard_Integer theSensFactor);
-
   Handle(SelectBasics_EntityOwner) myOwnerId;
 
 

src/SelectBasics/SelectBasics_SensitiveEntity.lxx

@@ -12,15 +12,6 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-//=======================================================================
-// function : SetSensitivityFactor
-// purpose  : Allows to manage the sensitivity of the entity
-//=======================================================================
-inline void SelectBasics_SensitiveEntity::SetSensitivityFactor (const Standard_Integer theSensFactor)
-{
-  mySFactor = theSensFactor;
-}
-
 //=======================================================================
 // function : SensitivityFactor
 // purpose  : Gets sensitivity factor for the entity