+ /// Set color on presentation of an object if it is displayed
+ /// \param theObject an object
+ /// \param theColor a color which has to be set
+ /// \param theUpdateViewer update viewer flag
+ /// \return previously defined color on the object
+ QColor setObjectColor(ObjectPtr theObject, const QColor& theColor, bool theUpdateViewer = true);
+
+ /// Returns Trihedron object if it is displayed
+ Handle(AIS_InteractiveObject) getTrihedron() const;
+
+ /// Set trihedron active (used in selection) or non active
+ void activateTrihedron(bool theIsActive);
+
+ /// Displays/erases thrihedron in current modes. It will be activated or deactivated
+ /// depending on the trihedron visible state and displayer active trihedron state
+ void displayTrihedron(bool theToDisplay) const;
+
+ /// Returns true if the trihedron should be activated in current selection modes
+ bool isTrihedronActive() const { return myIsTrihedronActive; }
+
+ /// Converts shape type (TopAbs_ShapeEnum) to selection mode
+ /// \param theShapeType a shape type from TopAbs_ShapeEnum
+ static int getSelectionMode(int theShapeType);
+
+ /// Return true if the object is visible. If the object is feature, it returns true
+ /// if all results of the feature are shown
+ /// \param theDisplayer a displayer
+ /// \param theObject an object
+ /// \return a boolean value
+ static bool isVisible(XGUI_Displayer* theDislayer, const ObjectPtr& theObject);