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 // Created on: 1996-12-18
 // Created by: Robert COUBLANC
 // Copyright (c) 1996-1999 Matra Datavision
 // Copyright (c) 1999-2014 OPEN CASCADE SAS
 //
 // This file is part of Open CASCADE Technology software library.
 //
 // This library is free software; you can redistribute it and/or modify it under
 // the terms of the GNU Lesser General Public License version 2.1 as published
 // by the Free Software Foundation, with special exception defined in the file
 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
 // distribution for complete text of the license and disclaimer of any warranty.
 //
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
 #ifndef _AIS_InteractiveContext_HeaderFile
 #define _AIS_InteractiveContext_HeaderFile
 
 #include <AIS_InteractiveObject.hxx>
 #include <AIS_GlobalStatus.hxx>
 #include <NCollection_DataMap.hxx>
 #include <AIS_DisplayMode.hxx>
 #include <AIS_DisplayStatus.hxx>
 #include <AIS_KindOfInteractive.hxx>
 #include <NCollection_List.hxx>
 #include <AIS_Selection.hxx>
 #include <AIS_SelectionModesConcurrency.hxx>
 #include <AIS_SelectionScheme.hxx>
 #include <AIS_StatusOfDetection.hxx>
 #include <AIS_StatusOfPick.hxx>
 #include <AIS_TypeOfIso.hxx>
 #include <Aspect_TypeOfFacingModel.hxx>
 #include <NCollection_Vec2.hxx>
 #include <Standard_TypeDef.hxx>
 #include <Prs3d_Drawer.hxx>
 #include <Prs3d_TypeOfHighlight.hxx>
 #include <PrsMgr_PresentationManager.hxx>
 #include <SelectMgr_AndOrFilter.hxx>
 #include <NCollection_IndexedMap.hxx>
 #include <NCollection_Shared.hxx>
 #include <SelectMgr_Filter.hxx>
 #include <SelectMgr_PickingStrategy.hxx>
 #include <SelectMgr_SelectionManager.hxx>
 #include <StdSelect_ViewerSelector3d.hxx>
 #include <TCollection_AsciiString.hxx>
 #include <gp_Pnt2d.hxx>
 #include <NCollection_Array1.hxx>
 #include <Standard_Integer.hxx>
 #include <NCollection_Sequence.hxx>
 #include <Quantity_Color.hxx>
 class SelectMgr_EntityOwner;
 
 class V3d_Viewer;
 class V3d_View;
 class TopLoc_Location;
 class TCollection_ExtendedString;
 class Prs3d_LineAspect;
 class Prs3d_BasicAspect;
 class TopoDS_Shape;
 class SelectMgr_Filter;
 
 //! The Interactive Context allows you to manage graphic behavior and selection of Interactive
 //! Objects in one or more viewers. Class methods make this highly transparent. It is essential to
 //! remember that an Interactive Object which is already known by the Interactive Context must be
 //! modified using Context methods. You can only directly call the methods available for an
 //! Interactive Object if it has not been loaded into an Interactive Context.
 //!
 //! Each selectable object must specify the selection mode that is
 //! responsible for selection of object as a whole (global selection mode).
 //! Interactive context itself supports decomposed object selection with selection filters support.
 //! By default, global selection mode is equal to 0, but it might be redefined if needed.
 class AIS_InteractiveContext : public Standard_Transient
 {
   DEFINE_STANDARD_RTTIEXT(AIS_InteractiveContext, Standard_Transient)
 public: //! @name object display management
   //! Constructs the interactive context object defined by the principal viewer MainViewer.
   Standard_EXPORT AIS_InteractiveContext(const occ::handle<V3d_Viewer>& MainViewer);
 
   //! Destructor.
   Standard_EXPORT ~AIS_InteractiveContext() override;
 
   //! Returns the display status of the entity anIobj.
   //! This will be one of the following:
   //! - AIS_DS_Displayed displayed in main viewer
   //! - AIS_DS_Erased    hidden in main viewer
   //! - AIS_DS_Temporary temporarily displayed
   //! - AIS_DS_None      nowhere displayed.
   Standard_EXPORT PrsMgr_DisplayStatus
     DisplayStatus(const occ::handle<AIS_InteractiveObject>& anIobj) const;
 
   //! Returns the status of the Interactive Context for the view of the Interactive Object.
   Standard_EXPORT void Status(const occ::handle<AIS_InteractiveObject>& anObj,
                               TCollection_ExtendedString&               astatus) const;
 
   //! Returns true if Object is displayed in the interactive context.
   Standard_EXPORT bool IsDisplayed(const occ::handle<AIS_InteractiveObject>& anIobj) const;
 
   Standard_EXPORT bool IsDisplayed(const occ::handle<AIS_InteractiveObject>& aniobj,
                                    const int                                 aMode) const;
 
   //! Enable or disable automatic activation of default selection mode while displaying the object.
   void SetAutoActivateSelection(const bool theIsAuto) { myIsAutoActivateSelMode = theIsAuto; }
 
   //! Manages displaying the new object should also automatically activate default selection mode;
   //! TRUE by default.
   bool GetAutoActivateSelection() const { return myIsAutoActivateSelMode; }
 
   //! Displays the object in this Context using default Display Mode.
   //! This will be the object's default display mode, if there is one. Otherwise, it will be the
   //! context mode. The Interactive Object's default selection mode is activated if
   //! GetAutoActivateSelection() is TRUE. In general, this is 0.
   Standard_EXPORT void Display(const occ::handle<AIS_InteractiveObject>& theIObj,
                                const bool                                theToUpdateViewer);
 
   //! Sets status, display mode and selection mode for specified Object
   //! If theSelectionMode equals -1, theIObj will not be activated: it will be displayed but will
   //! not be selectable.
   Standard_EXPORT void Display(
     const occ::handle<AIS_InteractiveObject>& theIObj,
     const int                                 theDispMode,
     const int                                 theSelectionMode,
     const bool                                theToUpdateViewer,
     const PrsMgr_DisplayStatus                theDispStatus = PrsMgr_DisplayStatus_None);
 
   //! Allows you to load the Interactive Object with a given selection mode,
   //! and/or with the desired decomposition option, whether the object is visualized or not.
   //! The loaded objects will be selectable but displayable in highlighting only when detected by
   //! the Selector.
   Standard_EXPORT void Load(const occ::handle<AIS_InteractiveObject>& theObj,
                             const int                                 theSelectionMode = -1);
 
   //! Hides the object. The object's presentations are simply flagged as invisible and therefore
   //! excluded from redrawing. To show hidden objects, use Display().
   Standard_EXPORT void Erase(const occ::handle<AIS_InteractiveObject>& theIObj,
                              const bool                                theToUpdateViewer);
 
   //! Hides all objects. The object's presentations are simply flagged as invisible and therefore
   //! excluded from redrawing. To show all hidden objects, use DisplayAll().
   Standard_EXPORT void EraseAll(const bool theToUpdateViewer);
 
   //! Displays all hidden objects.
   Standard_EXPORT void DisplayAll(const bool theToUpdateViewer);
 
   //! Hides selected objects. The object's presentations are simply flagged as invisible and
   //! therefore excluded from redrawing. To show hidden objects, use Display().
   Standard_EXPORT void EraseSelected(const bool theToUpdateViewer);
 
   //! Displays current objects.
   Standard_EXPORT void DisplaySelected(const bool theToUpdateViewer);
 
   //! Empties the graphic presentation of the mode indexed by aMode.
   //! Warning! Removes theIObj. theIObj is still active if it was previously activated.
   void ClearPrs(const occ::handle<AIS_InteractiveObject>& theIObj,
                 const int                                 theMode,
                 const bool                                theToUpdateViewer)
   {
     ClearGlobalPrs(theIObj, theMode, theToUpdateViewer);
   }
 
   //! Removes Object from every viewer.
   Standard_EXPORT void Remove(const occ::handle<AIS_InteractiveObject>& theIObj,
                               const bool                                theToUpdateViewer);
 
   //! Removes all the objects from Context.
   Standard_EXPORT void RemoveAll(const bool theToUpdateViewer);
 
   //! Recomputes the seen parts presentation of the Object.
   //! If theAllModes equals true, all presentations are present in the object even if unseen.
   Standard_EXPORT void Redisplay(const occ::handle<AIS_InteractiveObject>& theIObj,
                                  const bool                                theToUpdateViewer,
                                  const bool                                theAllModes = false);
 
   //! Recomputes the Prs/Selection of displayed objects of a given type and a given signature.
   //! if signature = -1  doesn't take signature criterion.
   Standard_EXPORT void Redisplay(const AIS_KindOfInteractive theTypeOfObject,
                                  const int                   theSignature,
                                  const bool                  theToUpdateViewer);
 
   //! Recomputes the displayed presentations, flags the others.
   //! Doesn't update presentations.
   Standard_EXPORT void RecomputePrsOnly(const occ::handle<AIS_InteractiveObject>& theIObj,
                                         const bool                                theToUpdateViewer,
                                         const bool theAllModes = false);
 
   //! Recomputes the active selections, flags the others.
   //! Doesn't update presentations.
   Standard_EXPORT void RecomputeSelectionOnly(const occ::handle<AIS_InteractiveObject>& anIObj);
 
   //! Updates displayed interactive object by checking and recomputing its flagged as "to be
   //! recomputed" presentation and selection structures. This method does not force any
   //! recomputation on its own. The method recomputes selections even if they are loaded without
   //! activation in particular selector.
   Standard_EXPORT void Update(const occ::handle<AIS_InteractiveObject>& theIObj,
                               const bool                                theUpdateViewer);
 
 public: //! @name highlighting management
   //! Returns default highlight style settings (could be overridden by PrsMgr_PresentableObject).
   //!
   //! Tip: although highlighting style is defined by Prs3d_Drawer,
   //! only a small set of properties derived from it's base class Graphic3d_PresentationAttributes
   //! will be actually used in most cases.
   //!
   //! Default highlight style for all types is Aspect_TOHM_COLOR. Other defaults:
   //!  - Prs3d_TypeOfHighlight_Dynamic
   //!    * Color: Quantity_NOC_CYAN1;
   //!    * Layer: Graphic3d_ZLayerId_Top,
   //!             object highlighting is drawn on top of main scene within Immediate Layers,
   //!             so that V3d_View::RedrawImmediate() will be enough to see update;
   //!  - Prs3d_TypeOfHighlight_LocalDynamic
   //!    * Color: Quantity_NOC_CYAN1;
   //!    * Layer: Graphic3d_ZLayerId_Topmost,
   //!             object parts highlighting is drawn on top of main scene within Immediate Layers
   //!             with depth cleared (even overlapped geometry will be revealed);
   //!  - Prs3d_TypeOfHighlight_Selected
   //!    * Color: Quantity_NOC_GRAY80;
   //!    * Layer: Graphic3d_ZLayerId_UNKNOWN,
   //!             object highlighting is drawn on top of main scene within the same layer
   //!             as object itself (e.g. Graphic3d_ZLayerId_Default by default) and increased
   //!             priority.
   //!
   //! @param[in] theStyleType highlight style to modify
   //! @return drawer associated to specified highlight type
   //!
   //! @sa MoveTo() using Prs3d_TypeOfHighlight_Dynamic and Prs3d_TypeOfHighlight_LocalDynamic types
   //! @sa SelectDetected() using Prs3d_TypeOfHighlight_Selected and
   //! Prs3d_TypeOfHighlight_LocalSelected types
   //! @sa PrsMgr_PresentableObject::DynamicHilightAttributes() overriding
   //! Prs3d_TypeOfHighlight_Dynamic and Prs3d_TypeOfHighlight_LocalDynamic defaults on object level
   //! @sa PrsMgr_PresentableObject::HilightAttributes() overriding Prs3d_TypeOfHighlight_Selected
   //! and Prs3d_TypeOfHighlight_LocalSelected defaults on object level
   const occ::handle<Prs3d_Drawer>& HighlightStyle(const Prs3d_TypeOfHighlight theStyleType) const
   {
     return myStyles[theStyleType];
   }
 
   //! Setup highlight style settings.
   //! Tip: it is better modifying existing style returned by method HighlightStyle()
   //! instead of creating a new Prs3d_Drawer to avoid unexpected results due misconfiguration.
   //!
   //! If a new highlight style is created, its presentation Zlayer should be checked,
   //! otherwise highlighting might not work as expected.
   void SetHighlightStyle(const Prs3d_TypeOfHighlight      theStyleType,
                          const occ::handle<Prs3d_Drawer>& theStyle)
   {
     myStyles[theStyleType] = theStyle;
     if (theStyleType == Prs3d_TypeOfHighlight_None)
     {
       myDefaultDrawer = theStyle;
     }
   }
 
   //! Returns current dynamic highlight style settings corresponding to
   //! Prs3d_TypeOfHighlight_Dynamic. This is just a short-cut to
   //! HighlightStyle(Prs3d_TypeOfHighlight_Dynamic).
   const occ::handle<Prs3d_Drawer>& HighlightStyle() const
   {
     return myStyles[Prs3d_TypeOfHighlight_Dynamic];
   }
 
   //! Setup the style of dynamic highlighting corresponding to Prs3d_TypeOfHighlight_Selected.
   //! This is just a short-cut to SetHighlightStyle(Prs3d_TypeOfHighlight_Dynamic,theStyle).
   void SetHighlightStyle(const occ::handle<Prs3d_Drawer>& theStyle)
   {
     myStyles[Prs3d_TypeOfHighlight_Dynamic] = theStyle;
   }
 
   //! Returns current selection style settings corresponding to Prs3d_TypeOfHighlight_Selected.
   //! This is just a short-cut to HighlightStyle(Prs3d_TypeOfHighlight_Selected).
   const occ::handle<Prs3d_Drawer>& SelectionStyle() const
   {
     return myStyles[Prs3d_TypeOfHighlight_Selected];
   }
 
   //! Setup the style of selection highlighting.
   //! This is just a short-cut to SetHighlightStyle(Prs3d_TypeOfHighlight_Selected,theStyle).
   void SetSelectionStyle(const occ::handle<Prs3d_Drawer>& theStyle)
   {
     myStyles[Prs3d_TypeOfHighlight_Selected] = theStyle;
   }
 
   //! Returns highlight style of the object if it is marked as highlighted via global status
   //! @param[in] theObj  the object to check
   Standard_EXPORT bool HighlightStyle(const occ::handle<AIS_InteractiveObject>& theObj,
                                       occ::handle<Prs3d_Drawer>&                theStyle) const;
 
   //! Returns highlight style of the owner if it is selected
   //! @param[in] theOwner  the owner to check
   Standard_EXPORT bool HighlightStyle(const occ::handle<SelectMgr_EntityOwner>& theOwner,
                                       occ::handle<Prs3d_Drawer>&                theStyle) const;
 
   //! Returns true if the object is marked as highlighted via its global status
   //! @param[in] theObj  the object to check
   Standard_EXPORT bool IsHilighted(const occ::handle<AIS_InteractiveObject>& theObj) const;
 
   //! Returns true if the owner is marked as selected
   //! @param[in] theOwner  the owner to check
   Standard_EXPORT bool IsHilighted(const occ::handle<SelectMgr_EntityOwner>& theOwner) const;
 
   //! Changes the color of all the lines of the object in view.
   Standard_EXPORT void HilightWithColor(const occ::handle<AIS_InteractiveObject>& theObj,
                                         const occ::handle<Prs3d_Drawer>&          theStyle,
                                         const bool theToUpdateViewer);
 
   //! Removes highlighting from the Object.
   Standard_EXPORT void Unhilight(const occ::handle<AIS_InteractiveObject>& theIObj,
                                  const bool                                theToUpdateViewer);
 
 public: //! @name object presence management (View affinity, Layer, Priority)
   //! Returns the display priority of the Object.
   Standard_EXPORT Graphic3d_DisplayPriority
     DisplayPriority(const occ::handle<AIS_InteractiveObject>& theIObj) const;
 
   //! Sets the display priority of the seen parts presentation of the Object.
   Standard_EXPORT void SetDisplayPriority(const occ::handle<AIS_InteractiveObject>& theIObj,
                                           const Graphic3d_DisplayPriority           thePriority);
 
   Standard_DEPRECATED("Deprecated since OCCT7.7, Graphic3d_DisplayPriority should be passed "
                       "instead of integer number to SetDisplayPriority()")
   void SetDisplayPriority(const occ::handle<AIS_InteractiveObject>& theIObj, const int thePriority)
   {
     SetDisplayPriority(theIObj, (Graphic3d_DisplayPriority)thePriority);
   }
 
   //! Get Z layer id set for displayed interactive object.
   Standard_EXPORT Graphic3d_ZLayerId
     GetZLayer(const occ::handle<AIS_InteractiveObject>& theIObj) const;
 
   //! Set Z layer id for interactive object.
   //! The Z layers can be used to display temporarily presentations of some object in front of the
   //! other objects in the scene. The ids for Z layers are generated by V3d_Viewer.
   Standard_EXPORT void SetZLayer(const occ::handle<AIS_InteractiveObject>& theIObj,
                                  const Graphic3d_ZLayerId                  theLayerId);
 
   //! Setup object visibility in specified view.
   //! Has no effect if object is not displayed in this context.
   Standard_EXPORT void SetViewAffinity(const occ::handle<AIS_InteractiveObject>& theIObj,
                                        const occ::handle<V3d_View>&              theView,
                                        const bool                                theIsVisible);
 
 public: //! @name Display Mode management
   //! Returns the Display Mode setting to be used by default.
   int DisplayMode() const { return myDefaultDrawer->DisplayMode(); }
 
   //! Sets the display mode of seen Interactive Objects (which have no overridden Display Mode).
   Standard_EXPORT void SetDisplayMode(const int theMode, const bool theToUpdateViewer);
 
   //! Sets the display mode of seen Interactive Objects.
   //! theMode provides the display mode index of the entity theIObj.
   Standard_EXPORT void SetDisplayMode(const occ::handle<AIS_InteractiveObject>& theIObj,
                                       const int                                 theMode,
                                       const bool                                theToUpdateViewer);
 
   //! Unsets the display mode of seen Interactive Objects.
   Standard_EXPORT void UnsetDisplayMode(const occ::handle<AIS_InteractiveObject>& theIObj,
                                         const bool theToUpdateViewer);
 
 public: //! @name object local transformation management
   //! Puts the location on the initial graphic representation and the selection for the Object.
   Standard_EXPORT void SetLocation(const occ::handle<AIS_InteractiveObject>& theObject,
                                    const TopLoc_Location&                    theLocation);
 
   //! Puts the Object back into its initial position.
   Standard_EXPORT void ResetLocation(const occ::handle<AIS_InteractiveObject>& theObject);
 
   //! Returns true if the Object has a location.
   Standard_EXPORT bool HasLocation(const occ::handle<AIS_InteractiveObject>& theObject) const;
 
   //! Returns the location of the Object.
   Standard_EXPORT TopLoc_Location
     Location(const occ::handle<AIS_InteractiveObject>& theObject) const;
 
   //! Sets transform persistence.
   Standard_EXPORT void SetTransformPersistence(
     const occ::handle<AIS_InteractiveObject>&   theObject,
     const occ::handle<Graphic3d_TransformPers>& theTrsfPers);
 
 public: //! @name mouse picking logic (detection and dynamic highlighting of entities under cursor)
   //! Setup pixel tolerance for MoveTo() operation.
   //! @sa MoveTo().
   Standard_EXPORT void SetPixelTolerance(const int thePrecision = 2);
 
   //! Returns the pixel tolerance, default is 2.
   //! Pixel Tolerance extends sensitivity within MoveTo() operation (picking by point)
   //! and can be adjusted by application based on user input precision (e.g. screen pixel density,
   //! input device precision, etc.).
   Standard_EXPORT int PixelTolerance() const;
 
   //! Allows to manage sensitivity of a particular selection of interactive object theObject
   //! and changes previous sensitivity value of all sensitive entities in selection with theMode
   //! to the given theNewSensitivity.
   Standard_EXPORT void SetSelectionSensitivity(const occ::handle<AIS_InteractiveObject>& theObject,
                                                const int                                 theMode,
                                                const int theNewSensitivity);
 
   //! Returns last active View (argument of MoveTo()/Select() methods).
   Standard_EXPORT occ::handle<V3d_View> LastActiveView() const;
 
   //! Relays mouse position in pixels theXPix and theYPix to the interactive context selectors.
   //! This is done by the view theView passing this position to the main viewer and updating it.
   //! If theToRedrawOnUpdate is set to false, callee should call RedrawImmediate() to highlight
   //! detected object.
   //! @sa PickingStrategy()
   //! @sa HighlightStyle() defining default dynamic highlight styles of detected owners
   //!                      (Prs3d_TypeOfHighlight_Dynamic and Prs3d_TypeOfHighlight_LocalDynamic)
   //! @sa PrsMgr_PresentableObject::DynamicHilightAttributes() defining per-object dynamic highlight
   //! style of detected owners (overrides defaults)
   Standard_EXPORT AIS_StatusOfDetection MoveTo(const int                    theXPix,
                                                const int                    theYPix,
                                                const occ::handle<V3d_View>& theView,
                                                const bool                   theToRedrawOnUpdate);
 
   //! Relays axis theAxis to the interactive context selectors.
   //! This is done by the view theView passing this axis to the main viewer and updating it.
   //! If theToRedrawOnUpdate is set to false, callee should call RedrawImmediate() to highlight
   //! detected object.
   //! @sa PickingStrategy()
   Standard_EXPORT AIS_StatusOfDetection MoveTo(const gp_Ax1&                theAxis,
                                                const occ::handle<V3d_View>& theView,
                                                const bool                   theToRedrawOnUpdate);
 
   //! Clears the list of entities detected by MoveTo() and resets dynamic highlighting.
   //! @param theToRedrawImmediate if TRUE, the main Viewer will be redrawn on update
   //! @return TRUE if viewer needs to be updated (e.g. there were actually dynamically highlighted
   //! entities)
   Standard_EXPORT bool ClearDetected(bool theToRedrawImmediate = false);
 
   //! Returns true if there is a mouse-detected entity in context.
   //! @sa DetectedOwner(), HasNextDetected(), HilightPreviousDetected(), HilightNextDetected().
   bool HasDetected() const { return !myLastPicked.IsNull(); }
 
   //! Returns the owner of the detected sensitive primitive which is currently dynamically
   //! highlighted. WARNING! This method is irrelevant to
   //! InitDetected()/MoreDetected()/NextDetected().
   //! @sa HasDetected(), HasNextDetected(), HilightPreviousDetected(), HilightNextDetected().
   const occ::handle<SelectMgr_EntityOwner>& DetectedOwner() const { return myLastPicked; }
 
   //! Returns the interactive objects last detected in context.
   //! In general this is just a wrapper for
   //! occ::down_cast<AIS_InteractiveObject>(DetectedOwner()->Selectable()).
   //! @sa DetectedOwner()
   occ::handle<AIS_InteractiveObject> DetectedInteractive() const
   {
     return occ::down_cast<AIS_InteractiveObject>(myLastPicked->Selectable());
   }
 
   //! Returns true if there is a detected shape in local context.
   //! @sa HasDetected(), DetectedShape()
   Standard_DEPRECATED(
     "Local Context is deprecated - local selection should be used without Local Context")
   Standard_EXPORT bool HasDetectedShape() const;
 
   //! Returns the shape detected in local context.
   //! @sa DetectedOwner()
   Standard_DEPRECATED(
     "Local Context is deprecated - local selection should be used without Local Context")
   Standard_EXPORT const TopoDS_Shape& DetectedShape() const;
 
   //! returns True if other entities were detected in the last mouse detection
   //! @sa HilightPreviousDetected(), HilightNextDetected().
   bool HasNextDetected() const
   {
     return !myDetectedSeq.IsEmpty() && myCurHighlighted <= myDetectedSeq.Upper();
   }
 
   //! If more than 1 object is detected by the selector, only the "best" owner is hilighted at the
   //! mouse position. This Method allows the user to hilight one after another the other detected
   //! entities. If The method select is called, the selected entity will be the hilighted one!
   //! WARNING: Loop Method. When all the detected entities have been hilighted, the next call will
   //! hilight the first one again.
   //! @return the Rank of hilighted entity
   //! @sa HasNextDetected(), HilightPreviousDetected().
   Standard_EXPORT int HilightNextDetected(const occ::handle<V3d_View>& theView,
                                           const bool                   theToRedrawImmediate = true);
 
   //! Same as previous methods in reverse direction.
   //! @sa HasNextDetected(), HilightNextDetected().
   Standard_EXPORT int HilightPreviousDetected(const occ::handle<V3d_View>& theView,
                                               const bool theToRedrawImmediate = true);
 
 public: //! @name iteration through detected entities
   //! Initialization for iteration through mouse-detected objects in
   //! interactive context or in local context if it is opened.
   //! @sa DetectedCurrentOwner(), MoreDetected(), NextDetected().
   void InitDetected()
   {
     if (!myDetectedSeq.IsEmpty())
     {
       myCurDetected = NCollection_Sequence<int>::Lower();
     }
   }
 
   //! Return TRUE if there is more mouse-detected objects after the current one
   //! during iteration through mouse-detected interactive objects.
   //! @sa DetectedCurrentOwner(), InitDetected(), NextDetected().
   bool MoreDetected() const
   {
     return myCurDetected >= NCollection_Sequence<int>::Lower()
            && myCurDetected <= myDetectedSeq.Upper();
   }
 
   //! Gets next current object during iteration through mouse-detected interactive objects.
   //! @sa DetectedCurrentOwner(), InitDetected(), MoreDetected().
   void NextDetected() { ++myCurDetected; }
 
   //! Returns the owner from detected list pointed by current iterator position.
   //! WARNING! This method is irrelevant to DetectedOwner() which returns last picked Owner
   //! regardless of iterator position!
   //! @sa InitDetected(), MoreDetected(), NextDetected().
   Standard_EXPORT occ::handle<SelectMgr_EntityOwner> DetectedCurrentOwner() const;
 
 public: //! @name Selection management
   //! Adds object in the selection.
   Standard_EXPORT AIS_StatusOfPick AddSelect(const occ::handle<SelectMgr_EntityOwner>& theObject);
 
   //! Adds object in the selection.
   AIS_StatusOfPick AddSelect(const occ::handle<AIS_InteractiveObject>& theObject)
   {
     return AddSelect(theObject->GlobalSelOwner());
   }
 
   //! Selects objects within the bounding rectangle.
   //! Viewer should be explicitly redrawn after selection.
   //! @param[in] thePntMin  rectangle lower point (in pixels)
   //! @param[in] thePntMax  rectangle upper point (in pixels)
   //! @param[in] theView    active view where rectangle is defined
   //! @param[in] theSelScheme  selection scheme
   //! @return picking status
   //! @sa StdSelect_ViewerSelector3d::AllowOverlapDetection()
   Standard_EXPORT AIS_StatusOfPick
     SelectRectangle(const NCollection_Vec2<int>& thePntMin,
                     const NCollection_Vec2<int>& thePntMax,
                     const occ::handle<V3d_View>& theView,
                     const AIS_SelectionScheme    theSelScheme = AIS_SelectionScheme_Replace);
 
   //! Select everything found in the polygon defined by bounding polyline.
   //! Viewer should be explicitly redrawn after selection.
   //! @param[in] thePolyline   polyline defining polygon bounds (in pixels)
   //! @param[in] theView       active view where polyline is defined
   //! @param[in] theSelScheme  selection scheme
   //! @return picking status
   Standard_EXPORT AIS_StatusOfPick
     SelectPolygon(const NCollection_Array1<gp_Pnt2d>& thePolyline,
                   const occ::handle<V3d_View>&        theView,
                   const AIS_SelectionScheme           theSelScheme = AIS_SelectionScheme_Replace);
 
   //! Selects the topmost object picked by the point in the view,
   //! Viewer should be explicitly redrawn after selection.
   //! @param[in] thePnt   point pixel coordinates within the view
   //! @param[in] theView  active view where point is defined
   //! @param[in] theSelScheme  selection scheme
   //! @return picking status
   Standard_EXPORT AIS_StatusOfPick
     SelectPoint(const NCollection_Vec2<int>& thePnt,
                 const occ::handle<V3d_View>& theView,
                 const AIS_SelectionScheme    theSelScheme = AIS_SelectionScheme_Replace);
 
   //! Select and hilights the previous detected via AIS_InteractiveContext::MoveTo() method;
   //! unhilights the previous picked.
   //! Viewer should be explicitly redrawn after selection.
   //! @param[in] theSelScheme  selection scheme
   //! @return picking status
   //!
   //! @sa HighlightStyle() defining default highlight styles of selected owners
   //! (Prs3d_TypeOfHighlight_Selected and Prs3d_TypeOfHighlight_LocalSelected)
   //! @sa PrsMgr_PresentableObject::HilightAttributes() defining per-object highlight style of
   //! selected owners (overrides defaults)
   //! For all selection schemes, allowing to select an object,
   //! HandleMouseClick is available
   Standard_EXPORT AIS_StatusOfPick
     SelectDetected(const AIS_SelectionScheme theSelScheme = AIS_SelectionScheme_Replace);
 
   //! Returns bounding box of selected objects.
   Standard_EXPORT Bnd_Box BoundingBoxOfSelection(const occ::handle<V3d_View>& theView) const;
 
   Standard_DEPRECATED("BoundingBoxOfSelection() should be called with View argument")
   Bnd_Box BoundingBoxOfSelection() const { return BoundingBoxOfSelection(occ::handle<V3d_View>()); }
 
   //! Sets list of owner selected/deselected using specified selection scheme.
   //! @param theOwners owners to change selection state
   //! @param theSelScheme selection scheme
   //! @return picking status
   Standard_EXPORT AIS_StatusOfPick
     Select(const NCollection_Array1<occ::handle<SelectMgr_EntityOwner>>& theOwners,
            const AIS_SelectionScheme                                     theSelScheme);
 
   //! Fits the view correspondingly to the bounds of selected objects.
   //! Infinite objects are ignored if infinite state of AIS_InteractiveObject is set to true.
   Standard_EXPORT void FitSelected(const occ::handle<V3d_View>& theView,
                                    const double                 theMargin,
                                    const bool                   theToUpdate);
 
   //! Fits the view correspondingly to the bounds of selected objects.
   //! Infinite objects are ignored if infinite state of AIS_InteractiveObject is set to true.
   Standard_EXPORT void FitSelected(const occ::handle<V3d_View>& theView);
 
   //! Return value specified whether selected object must be hilighted when mouse cursor is moved
   //! above it
   //! @sa MoveTo()
   bool ToHilightSelected() const { return myToHilightSelected; }
 
   //! Specify whether selected object must be hilighted when mouse cursor is moved above it (in
   //! MoveTo method). By default this value is false and selected object is not hilighted in this
   //! case.
   //! @sa MoveTo()
   void SetToHilightSelected(const bool toHilight) { myToHilightSelected = toHilight; }
 
   //! Returns true if the automatic highlight mode is active; TRUE by default.
   //! @sa MoveTo(), Select(), HilightWithColor(), Unhilight()
   bool AutomaticHilight() const { return myAutoHilight; }
 
   //! Sets the highlighting status of detected and selected entities.
   //! This function allows you to disconnect the automatic mode.
   //!
   //! MoveTo() will fill the list of detected entities
   //! and Select() will set selected state to detected objects regardless of this flag,
   //! but with disabled AutomaticHiligh() their highlighting state will be left unaffected,
   //! so that application will be able performing custom highlighting in a different way, if needed.
   //!
   //! This API should be distinguished from SelectMgr_SelectableObject::SetAutoHilight()
   //! that is used to implement custom highlighting logic for a specific interactive object class.
   //!
   //! @sa MoveTo(), Select(), HilightWithColor(), Unhilight()
   void SetAutomaticHilight(bool theStatus) { myAutoHilight = theStatus; }
 
   //! Unhighlights previously selected owners and marks them as not selected.
   //! Marks owner given as selected and highlights it.
   //! Performs selection filters check.
   Standard_EXPORT void SetSelected(const occ::handle<SelectMgr_EntityOwner>& theOwners,
                                    const bool                                theToUpdateViewer);
 
   //! Puts the interactive object aniObj in the list of selected objects.
   //! Performs selection filters check.
   Standard_EXPORT void SetSelected(const occ::handle<AIS_InteractiveObject>& theObject,
                                    const bool                                theToUpdateViewer);
 
   //! Allows to highlight or unhighlight the owner given depending on its selection status
   Standard_EXPORT void AddOrRemoveSelected(const occ::handle<AIS_InteractiveObject>& theObject,
                                            const bool theToUpdateViewer);
 
   //! Updates Selected state of specified owner without calling HilightSelected().
   //! Has no effect if Selected state is not changed, and redirects to AddOrRemoveSelected()
   //! otherwise.
   //! @param theOwner owner object to set selected state
   //! @param theIsSelected new selected state
   //! @return TRUE if Selected state has been changed
   Standard_EXPORT bool SetSelectedState(const occ::handle<SelectMgr_EntityOwner>& theOwner,
                                         const bool                                theIsSelected);
 
   //! Highlights selected objects.
   Standard_EXPORT void HilightSelected(const bool theToUpdateViewer);
 
   //! Removes highlighting from selected objects.
   Standard_EXPORT void UnhilightSelected(const bool theToUpdateViewer);
 
   //! Updates the list of selected objects:
   //! i.e. highlights the newly selected ones and unhighlights previously selected objects.
   //! @sa HilightSelected().
   void UpdateSelected(bool theToUpdateViewer) { HilightSelected(theToUpdateViewer); }
 
   //! Empties previous selected objects in order to get the selected objects detected by the
   //! selector using UpdateSelected.
   Standard_EXPORT void ClearSelected(const bool theToUpdateViewer);
 
   //! Allows to highlight or unhighlight the owner given depending on its selection status
   Standard_EXPORT void AddOrRemoveSelected(const occ::handle<SelectMgr_EntityOwner>& theOwner,
                                            const bool theToUpdateViewer);
 
   //! Returns true is the owner given is selected
   bool IsSelected(const occ::handle<SelectMgr_EntityOwner>& theOwner) const
   {
     return !theOwner.IsNull() && theOwner->IsSelected();
   }
 
   //! Returns true is the object given is selected
   Standard_EXPORT bool IsSelected(const occ::handle<AIS_InteractiveObject>& theObj) const;
 
   //! Returns the first selected object in the list of current selected.
   Standard_EXPORT occ::handle<AIS_InteractiveObject> FirstSelectedObject() const;
 
   //! Count a number of selected entities using InitSelected()+MoreSelected()+NextSelected()
   //! iterator.
   //! @sa SelectedOwner(), InitSelected(), MoreSelected(), NextSelected().
   int NbSelected() { return mySelection->Extent(); }
 
   //! Initializes a scan of the selected objects.
   //! @sa SelectedOwner(), MoreSelected(), NextSelected().
   void InitSelected() { mySelection->Init(); }
 
   //! Returns true if there is another object found by the scan of the list of selected objects.
   //! @sa SelectedOwner(), InitSelected(), NextSelected().
   bool MoreSelected() const { return mySelection->More(); }
 
   //! Continues the scan to the next object in the list of selected objects.
   //! @sa SelectedOwner(), InitSelected(), MoreSelected().
   void NextSelected() { mySelection->Next(); }
 
   //! Returns the owner of the selected entity.
   //! @sa InitSelected(), MoreSelected(), NextSelected().
   occ::handle<SelectMgr_EntityOwner> SelectedOwner() const
   {
     return !mySelection->More() ? occ::handle<SelectMgr_EntityOwner>() : mySelection->Value();
   }
 
   //! Return Handle(AIS_InteractiveObject)::DownCast (SelectedOwner()->Selectable()).
   //! @sa SelectedOwner().
   occ::handle<AIS_InteractiveObject> SelectedInteractive() const
   {
     return !mySelection->More()
              ? occ::handle<AIS_InteractiveObject>()
              : occ::down_cast<AIS_InteractiveObject>(mySelection->Value()->Selectable());
   }
 
   //! Returns TRUE if the interactive context has a shape selected.
   //! @sa SelectedShape().
   Standard_EXPORT bool HasSelectedShape() const;
 
   //! Returns the selected shape.
   //! Basically it is just a shape returned stored by StdSelect_BRepOwner with graphic
   //! transformation being applied:
   //! @code
   //!   const occ::handle<StdSelect_BRepOwner> aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast
   //!   (SelectedOwner()); TopoDS_Shape aSelShape    = aBRepOwner->Shape(); TopoDS_Shape
   //!   aLocatedShape = aSelShape.Located (aBRepOwner->Location() * aSelShape.Location());
   //! @endcode
   //! @sa SelectedOwner(), HasSelectedShape().
   Standard_EXPORT TopoDS_Shape SelectedShape() const;
 
   //! Returns SelectedInteractive()->HasOwner().
   //! @sa SelectedOwner().
   bool HasApplicative() const { return SelectedInteractive()->HasOwner(); }
 
   //! Returns SelectedInteractive()->GetOwner().
   //! @sa SelectedOwner().
   occ::handle<Standard_Transient> Applicative() const { return SelectedInteractive()->GetOwner(); }
 
 public: //! @name immediate mode rendering
   Standard_DEPRECATED(
     "Deprecated method - Graphic3d_ZLayerId with IsImmediate flag should be used instead")
   Standard_EXPORT bool BeginImmediateDraw();
 
   Standard_DEPRECATED(
     "Deprecated method - Graphic3d_ZLayerId with IsImmediate flag should be used instead")
   Standard_EXPORT bool ImmediateAdd(const occ::handle<AIS_InteractiveObject>& theObj,
                                     const int                                 theMode = 0);
 
   Standard_DEPRECATED(
     "Deprecated method - Graphic3d_ZLayerId with IsImmediate flag should be used instead")
   Standard_EXPORT bool EndImmediateDraw(const occ::handle<V3d_View>& theView);
 
   Standard_DEPRECATED(
     "Deprecated method - Graphic3d_ZLayerId with IsImmediate flag should be used instead")
   Standard_EXPORT bool EndImmediateDraw();
 
   Standard_DEPRECATED(
     "Deprecated method - Graphic3d_ZLayerId with IsImmediate flag should be used instead")
   Standard_EXPORT bool IsImmediateModeOn() const;
 
   //! Redraws immediate structures in all views of the viewer given taking into account its
   //! visibility.
   void RedrawImmediate(const occ::handle<V3d_Viewer>& theViewer)
   {
     myMainPM->RedrawImmediate(theViewer);
   }
 
 public: //! @name management of active Selection Modes
   //! Activates or deactivates the selection mode for specified object.
   //! Has no effect if selection mode was already active/deactivated.
   //! @param theObj         object to activate/deactivate selection mode
   //! @param theMode        selection mode to activate/deactivate;
   //!                       deactivation of -1 selection mode will effectively deactivate all
   //!                       selection modes; activation of -1 selection mode with
   //!                       AIS_SelectionModesConcurrency_Single will deactivate all selection
   //!                       modes, and will has no effect otherwise
   //! @param theToActivate  activation/deactivation flag
   //! @param theConcurrency specifies how to handle already activated selection modes;
   //!                       default value (AIS_SelectionModesConcurrency_Multiple) means active
   //!                       selection modes should be left as is,
   //!                       AIS_SelectionModesConcurrency_Single can be used if only one selection
   //!                       mode is expected to be active and
   //!                       AIS_SelectionModesConcurrency_GlobalOrLocal can be used if either
   //!                       AIS_InteractiveObject::GlobalSelectionMode() or any combination of Local
   //!                       selection modes is acceptable; this value is considered only if
   //!                       theToActivate set to TRUE
   //! @param theIsForce     when set to TRUE, the display status will be ignored while activating
   //! selection mode
   Standard_EXPORT void SetSelectionModeActive(
     const occ::handle<AIS_InteractiveObject>& theObj,
     const int                                 theMode,
     const bool                                theToActivate,
     const AIS_SelectionModesConcurrency theConcurrency = AIS_SelectionModesConcurrency_Multiple,
     const bool                          theIsForce     = false);
 
   //! Activates the selection mode aMode whose index is given, for the given interactive entity
   //! anIobj.
   void Activate(const occ::handle<AIS_InteractiveObject>& theObj,
                 const int                                 theMode    = 0,
                 const bool                                theIsForce = false)
   {
     SetSelectionModeActive(theObj,
                            theMode,
                            true,
                            AIS_SelectionModesConcurrency_GlobalOrLocal,
                            theIsForce);
   }
 
   //! Activates the given selection mode for the all displayed objects.
   Standard_EXPORT void Activate(const int theMode, const bool theIsForce = false);
 
   //! Deactivates all the activated selection modes of an object.
   void Deactivate(const occ::handle<AIS_InteractiveObject>& theObj)
   {
     SetSelectionModeActive(theObj, -1, false, AIS_SelectionModesConcurrency_Single);
   }
 
   //! Deactivates all the activated selection modes of the interactive object anIobj with a given
   //! selection mode aMode.
   void Deactivate(const occ::handle<AIS_InteractiveObject>& theObj, const int theMode)
   {
     SetSelectionModeActive(theObj, theMode, false);
   }
 
   //! Deactivates the given selection mode for all displayed objects.
   Standard_EXPORT void Deactivate(const int theMode);
 
   //! Deactivates all the activated selection mode at all displayed objects.
   Standard_EXPORT void Deactivate();
 
   //! Returns the list of activated selection modes.
   Standard_EXPORT void ActivatedModes(const occ::handle<AIS_InteractiveObject>& anIobj,
                                       NCollection_List<int>&                    theList) const;
 
   //! Returns a collection containing all entity owners created for the interactive object in
   //! specified selection mode (in all active modes if the Mode == -1)
   Standard_EXPORT void EntityOwners(
     occ::handle<NCollection_Shared<NCollection_IndexedMap<occ::handle<SelectMgr_EntityOwner>>>>&
                                               theOwners,
     const occ::handle<AIS_InteractiveObject>& theIObj,
     const int                                 theMode = -1) const;
 
 public: //! @name Selection Filters management
   //! @return the context selection filter type.
   SelectMgr_FilterType FilterType() const { return myFilters->FilterType(); }
 
   //! Sets the context selection filter type.
   //! SelectMgr_TypeFilter_OR selection filter is used by default.
   //! @param theFilterType the filter type.
   void SetFilterType(const SelectMgr_FilterType theFilterType)
   {
     myFilters->SetFilterType(theFilterType);
   }
 
   //! Returns the list of filters active in a local context.
   const NCollection_List<occ::handle<SelectMgr_Filter>>& Filters() const
   {
     return myFilters->StoredFilters();
   }
 
   //! @return the context selection global context filter.
   const occ::handle<SelectMgr_AndOrFilter>& GlobalFilter() const { return myFilters; }
 
   //! Allows you to add the filter.
   void AddFilter(const occ::handle<SelectMgr_Filter>& theFilter) { myFilters->Add(theFilter); }
 
   //! Removes a filter from context.
   void RemoveFilter(const occ::handle<SelectMgr_Filter>& theFilter)
   {
     myFilters->Remove(theFilter);
   }
 
   //! Remove all filters from context.
   void RemoveFilters() { myFilters->Clear(); }
 
   //! Return picking strategy; SelectMgr_PickingStrategy_FirstAcceptable by default.
   //! @sa MoveTo(), Filters()
   SelectMgr_PickingStrategy PickingStrategy() const { return myPickingStrategy; }
 
   //! Setup picking strategy - which entities detected by picking line will be accepted, considering
   //! Selection Filters. By default (SelectMgr_PickingStrategy_FirstAcceptable), Selection Filters
   //! reduce the list of entities so that the context accepts topmost in remaining.
   //!
   //! This means that entities behind non-selectable (by filters) parts can be picked by user.
   //! If this behavior is undesirable, and user wants that non-selectable (by filters) parts
   //! should remain an obstacle for picking, SelectMgr_PickingStrategy_OnlyTopmost can be set
   //! instead.
   //!
   //! Notice, that since Selection Manager operates only objects registered in it,
   //! SelectMgr_PickingStrategy_OnlyTopmost will NOT prevent picking entities behind
   //! visible by unregistered in Selection Manager presentations (e.g. deactivated).
   //! Hence, SelectMgr_PickingStrategy_OnlyTopmost changes behavior only with Selection Filters
   //! enabled.
   void SetPickingStrategy(const SelectMgr_PickingStrategy theStrategy)
   {
     myPickingStrategy = theStrategy;
   }
 
 public: //! @name common properties
   //! Returns the default attribute manager.
   //! This contains all the color and line attributes which can be used by interactive objects which
   //! do not have their own attributes.
   const occ::handle<Prs3d_Drawer>& DefaultDrawer() const { return myDefaultDrawer; }
 
   //! Sets the default attribute manager; should be set at context creation time.
   //! Warning - this setter doesn't update links to the default drawer of already displayed objects!
   void SetDefaultDrawer(const occ::handle<Prs3d_Drawer>& theDrawer)
   {
     myDefaultDrawer                      = theDrawer;
     myStyles[Prs3d_TypeOfHighlight_None] = myDefaultDrawer;
   }
 
   //! Returns the current viewer.
   const occ::handle<V3d_Viewer>& CurrentViewer() const { return myMainVwr; }
 
   const occ::handle<SelectMgr_SelectionManager>& SelectionManager() const { return mgrSelector; }
 
   const occ::handle<PrsMgr_PresentationManager>& MainPrsMgr() const { return myMainPM; }
 
   const occ::handle<StdSelect_ViewerSelector3d>& MainSelector() const
   {
     return mgrSelector->Selector();
   }
 
   //! Updates the current viewer.
   Standard_EXPORT void UpdateCurrentViewer();
 
   //! Returns the list of displayed objects of a particular Type WhichKind and Signature
   //! WhichSignature. By Default, WhichSignature equals -1. This means that there is a check on type
   //! only.
   Standard_EXPORT void DisplayedObjects(
     NCollection_List<occ::handle<AIS_InteractiveObject>>& aListOfIO) const;
 
   //! gives the list of displayed objects of a particular Type and signature.
   //! by Default, <WhichSignature> = -1 means control only on <WhichKind>.
   Standard_EXPORT void DisplayedObjects(
     const AIS_KindOfInteractive                           theWhichKind,
     const int                                             theWhichSignature,
     NCollection_List<occ::handle<AIS_InteractiveObject>>& theListOfIO) const;
 
   //! Returns the list theListOfIO of erased objects (hidden objects) particular Type WhichKind and
   //! Signature WhichSignature. By Default, WhichSignature equals 1. This means that there is a
   //! check on type only.
   Standard_EXPORT void ErasedObjects(
     NCollection_List<occ::handle<AIS_InteractiveObject>>& theListOfIO) const;
 
   //! gives the list of erased objects (hidden objects)
   //! Type and signature by Default, <WhichSignature> = -1 means control only on <WhichKind>.
   Standard_EXPORT void ErasedObjects(
     const AIS_KindOfInteractive                           theWhichKind,
     const int                                             theWhichSignature,
     NCollection_List<occ::handle<AIS_InteractiveObject>>& theListOfIO) const;
 
   //! Returns the list theListOfIO of objects with indicated display status particular Type
   //! WhichKind and Signature WhichSignature. By Default, WhichSignature equals 1. This means that
   //! there is a check on type only.
   Standard_EXPORT void ObjectsByDisplayStatus(
     const PrsMgr_DisplayStatus                            theStatus,
     NCollection_List<occ::handle<AIS_InteractiveObject>>& theListOfIO) const;
 
   //! gives the list of objects with indicated display status
   //! Type and signature by Default, <WhichSignature> = -1 means control only on <WhichKind>.
   Standard_EXPORT void ObjectsByDisplayStatus(
     const AIS_KindOfInteractive                           WhichKind,
     const int                                             WhichSignature,
     const PrsMgr_DisplayStatus                            theStatus,
     NCollection_List<occ::handle<AIS_InteractiveObject>>& theListOfIO) const;
 
   //! fills <aListOfIO> with objects of a particular Type and Signature with no consideration of
   //! display status. by Default, <WhichSignature> = -1 means control only on <WhichKind>. if
   //! <WhichKind> = AIS_KindOfInteractive_None and <WhichSignature> = -1, all the objects are put
   //! into the list.
   Standard_EXPORT void ObjectsInside(
     NCollection_List<occ::handle<AIS_InteractiveObject>>& aListOfIO,
     const AIS_KindOfInteractive                           WhichKind = AIS_KindOfInteractive_None,
     const int                                             WhichSignature = -1) const;
 
   //! Create iterator through all objects registered in context.
   NCollection_DataMap<occ::handle<AIS_InteractiveObject>, occ::handle<AIS_GlobalStatus>>::Iterator
     ObjectIterator() const
   {
     return NCollection_DataMap<occ::handle<AIS_InteractiveObject>,
                                occ::handle<AIS_GlobalStatus>>::Iterator(myObjects);
   }
 
   //! Rebuilds 1st level of BVH selection forcibly
   Standard_EXPORT void RebuildSelectionStructs();
 
   //! Disconnects theObjToDisconnect from theAssembly and removes dependent selection structures
   Standard_EXPORT void Disconnect(
     const occ::handle<AIS_InteractiveObject>& theAssembly,
     const occ::handle<AIS_InteractiveObject>& theObjToDisconnect = nullptr);
 
   //! Query objects visible or hidden in specified view due to affinity mask.
   Standard_EXPORT void ObjectsForView(
     NCollection_List<occ::handle<AIS_InteractiveObject>>& theListOfIO,
     const occ::handle<V3d_View>&                          theView,
     const bool                                            theIsVisibleInView,
     const PrsMgr_DisplayStatus theStatus = PrsMgr_DisplayStatus_None) const;
 
   //! Return rotation gravity point.
   Standard_EXPORT virtual gp_Pnt GravityPoint(const occ::handle<V3d_View>& theView) const;
 
 public: //! @name debug visualization
   //! Visualization of sensitives - for debugging purposes!
   Standard_EXPORT void DisplayActiveSensitive(const occ::handle<V3d_View>& aView);
 
   //! Clear visualization of sensitives.
   Standard_EXPORT void ClearActiveSensitive(const occ::handle<V3d_View>& aView);
 
   //! Visualization of sensitives - for debugging purposes!
   Standard_EXPORT void DisplayActiveSensitive(const occ::handle<AIS_InteractiveObject>& anObject,
                                               const occ::handle<V3d_View>&              aView);
 
 public: //! @name common object display attributes
   //! Sets the graphic attributes of the interactive object, such as visualization mode, color, and
   //! material.
   Standard_EXPORT void SetLocalAttributes(const occ::handle<AIS_InteractiveObject>& theIObj,
                                           const occ::handle<Prs3d_Drawer>&          theDrawer,
                                           const bool theToUpdateViewer);
 
   //! Removes the settings for local attributes of the Object and returns to defaults.
   Standard_EXPORT void UnsetLocalAttributes(const occ::handle<AIS_InteractiveObject>& theIObj,
                                             const bool theToUpdateViewer);
 
   //! change the current facing model apply on polygons for SetColor(), SetTransparency(),
   //! SetMaterial() methods default facing model is Aspect_TOFM_TWO_SIDE. This mean that attributes
   //! is applying both on the front and back face.
   Standard_EXPORT void SetCurrentFacingModel(
     const occ::handle<AIS_InteractiveObject>& aniobj,
     const Aspect_TypeOfFacingModel            aModel = Aspect_TOFM_BOTH_SIDE);
 
   //! Returns true if a view of the Interactive Object has color.
   Standard_EXPORT bool HasColor(const occ::handle<AIS_InteractiveObject>& aniobj) const;
 
   //! Returns the color of the Object in the interactive context.
   Standard_EXPORT void Color(const occ::handle<AIS_InteractiveObject>& aniobj,
                              Quantity_Color&                           acolor) const;
 
   //! Sets the color of the selected entity.
   Standard_EXPORT void SetColor(const occ::handle<AIS_InteractiveObject>& theIObj,
                                 const Quantity_Color&                     theColor,
                                 const bool                                theToUpdateViewer);
 
   //! Removes the color selection for the selected entity.
   Standard_EXPORT void UnsetColor(const occ::handle<AIS_InteractiveObject>& theIObj,
                                   const bool                                theToUpdateViewer);
 
   //! Returns the width of the Interactive Object in the interactive context.
   Standard_EXPORT virtual double Width(const occ::handle<AIS_InteractiveObject>& aniobj) const;
 
   //! Sets the width of the Object.
   Standard_EXPORT virtual void SetWidth(const occ::handle<AIS_InteractiveObject>& theIObj,
                                         const double                              theValue,
                                         const bool theToUpdateViewer);
 
   //! Removes the width setting of the Object.
   Standard_EXPORT virtual void UnsetWidth(const occ::handle<AIS_InteractiveObject>& theIObj,
                                           const bool theToUpdateViewer);
 
   //! Provides the type of material setting for the view of the Object.
   Standard_EXPORT void SetMaterial(const occ::handle<AIS_InteractiveObject>& theIObj,
                                    const Graphic3d_MaterialAspect&           theMaterial,
                                    const bool                                theToUpdateViewer);
 
   //! Removes the type of material setting for viewing the Object.
   Standard_EXPORT void UnsetMaterial(const occ::handle<AIS_InteractiveObject>& theIObj,
                                      const bool                                theToUpdateViewer);
 
   //! Provides the transparency settings for viewing the Object.
   //! The transparency value aValue may be between 0.0, opaque, and 1.0, fully transparent.
   Standard_EXPORT void SetTransparency(const occ::handle<AIS_InteractiveObject>& theIObj,
                                        const double                              theValue,
                                        const bool                                theToUpdateViewer);
 
   //! Removes the transparency settings for viewing the Object.
   Standard_EXPORT void UnsetTransparency(const occ::handle<AIS_InteractiveObject>& theIObj,
                                          const bool theToUpdateViewer);
 
   //! Sets up polygon offsets for the given AIS_InteractiveObject.
   //! It simply calls AIS_InteractiveObject::SetPolygonOffsets().
   Standard_EXPORT void SetPolygonOffsets(const occ::handle<AIS_InteractiveObject>& theIObj,
                                          const int                                 theMode,
                                          const float                               theFactor,
                                          const float                               theUnits,
                                          const bool theToUpdateViewer);
 
   //! Simply calls AIS_InteractiveObject::HasPolygonOffsets().
   Standard_EXPORT bool HasPolygonOffsets(const occ::handle<AIS_InteractiveObject>& anObj) const;
 
   //! Retrieves current polygon offsets settings for Object.
   Standard_EXPORT void PolygonOffsets(const occ::handle<AIS_InteractiveObject>& anObj,
                                       int&                                      aMode,
                                       float&                                    aFactor,
                                       float&                                    aUnits) const;
 
 public: //! @name trihedron display attributes
   //! Sets the size aSize of the trihedron.
   //! Is used to change the default value 100 mm for display of trihedra.
   //! Use of this function in one of your own interactive objects requires a call to the Compute
   //! function of the new class. This will recalculate the presentation for every trihedron
   //! displayed.
   Standard_EXPORT void SetTrihedronSize(const double theSize, const bool theToUpdateViewer);
 
   //! returns the current value of trihedron size.
   Standard_EXPORT double TrihedronSize() const;
 
 public: //! @name plane display attributes
   //! Sets the plane size defined by the length in the X direction XSize and that in the Y direction
   //! YSize.
   Standard_EXPORT void SetPlaneSize(const double theSizeX,
                                     const double theSizeY,
                                     const bool   theToUpdateViewer);
 
   //! Sets the plane size aSize.
   Standard_EXPORT void SetPlaneSize(const double theSize, const bool theToUpdateViewer);
 
   //! Returns true if the length in the X direction XSize is the same as that in the Y direction
   //! YSize.
   Standard_EXPORT bool PlaneSize(double& XSize, double& YSize) const;
 
 public: //! @name tessellation deviation properties for automatic triangulation
   //! Sets the deviation coefficient theCoefficient.
   //! Drawings of curves or patches are made with respect to a maximal chordal deviation.
   //! A Deviation coefficient is used in the shading display mode.
   //! The shape is seen decomposed into triangles.
   //! These are used to calculate reflection of light from the surface of the object.
   //! The triangles are formed from chords of the curves in the shape.
   //! The deviation coefficient theCoefficient gives the highest value of the angle with which a
   //! chord can deviate from a tangent to a curve. If this limit is reached, a new triangle is
   //! begun. This deviation is absolute and is set through the method: SetMaximalChordialDeviation.
   //! The default value is 0.001.
   //! In drawing shapes, however, you are allowed to ask for a relative deviation.
   //! This deviation will be: SizeOfObject * DeviationCoefficient.
   Standard_EXPORT void SetDeviationCoefficient(const occ::handle<AIS_InteractiveObject>& theIObj,
                                                const double theCoefficient,
                                                const bool   theToUpdateViewer);
 
   Standard_EXPORT void SetDeviationAngle(const occ::handle<AIS_InteractiveObject>& theIObj,
                                          const double                              theAngle,
                                          const bool theToUpdateViewer);
 
   //! Calls the AIS_Shape SetAngleAndDeviation to set both Angle and Deviation coefficients
   Standard_EXPORT void SetAngleAndDeviation(const occ::handle<AIS_InteractiveObject>& theIObj,
                                             const double                              theAngle,
                                             const bool theToUpdateViewer);
 
   //! Sets the deviation coefficient theCoefficient.
   //! Drawings of curves or patches are made with respect to a maximal chordal deviation.
   //! A Deviation coefficient is used in the shading display mode.
   //! The shape is seen decomposed into triangles.
   //! These are used to calculate reflection of light from the surface of the object.
   //! The triangles are formed from chords of the curves in the shape.
   //! The deviation coefficient theCoefficient gives the highest value of the angle with which a
   //! chord can deviate from a tangent to a curve. If this limit is reached, a new triangle is
   //! begun. This deviation is absolute and is set through the method: SetMaximalChordialDeviation.
   //! The default value is 0.001.
   //! In drawing shapes, however, you are allowed to ask for a relative deviation.
   //! This deviation will be: SizeOfObject * DeviationCoefficient.
   void SetDeviationCoefficient(const double theCoefficient)
   {
     myDefaultDrawer->SetDeviationCoefficient(theCoefficient);
   }
 
   //! Returns the deviation coefficient.
   //! Drawings of curves or patches are made with respect to a maximal chordal deviation.
   //! A Deviation coefficient is used in the shading display mode.
   //! The shape is seen decomposed into triangles.
   //! These are used to calculate reflection of light from the surface of the object.
   //! The triangles are formed from chords of the curves in the shape.
   //! The deviation coefficient gives the highest value of the angle with which a chord can deviate
   //! from a tangent to a curve. If this limit is reached, a new triangle is begun. This deviation
   //! is absolute and is set through Prs3d_Drawer::SetMaximalChordialDeviation. The default value is
   //! 0.001. In drawing shapes, however, you are allowed to ask for a relative deviation. This
   //! deviation will be: SizeOfObject * DeviationCoefficient.
   double DeviationCoefficient() const { return myDefaultDrawer->DeviationCoefficient(); }
 
   //! default 20 degrees
   void SetDeviationAngle(const double theAngle) { myDefaultDrawer->SetDeviationAngle(theAngle); }
 
   double DeviationAngle() const { return myDefaultDrawer->DeviationAngle(); }
 
 public: //! @name HLR (Hidden Line Removal) display attributes
   //! Initializes hidden line aspect in the default drawing tool, or Drawer.
   //! The default values are:
   //! Color: Quantity_NOC_YELLOW
   //! Type of line: Aspect_TOL_DASH
   //! Width: 1.
   const occ::handle<Prs3d_LineAspect>& HiddenLineAspect() const
   {
     return myDefaultDrawer->HiddenLineAspect();
   }
 
   //! Sets the hidden line aspect anAspect.
   //! Aspect defines display attributes for hidden lines in HLR projections.
   void SetHiddenLineAspect(const occ::handle<Prs3d_LineAspect>& theAspect) const
   {
     myDefaultDrawer->SetHiddenLineAspect(theAspect);
   }
 
   //! returns true if the hidden lines are to be drawn.
   //! By default the hidden lines are not drawn.
   bool DrawHiddenLine() const { return myDefaultDrawer->DrawHiddenLine(); }
 
   void EnableDrawHiddenLine() const { myDefaultDrawer->EnableDrawHiddenLine(); }
 
   void DisableDrawHiddenLine() const { myDefaultDrawer->DisableDrawHiddenLine(); }
 
 public: //! @name iso-line display attributes
   //! Sets the number of U and V isoparameters displayed.
   Standard_EXPORT void SetIsoNumber(const int NbIsos, const AIS_TypeOfIso WhichIsos = AIS_TOI_Both);
 
   //! Returns the number of U and V isoparameters displayed.
   Standard_EXPORT int IsoNumber(const AIS_TypeOfIso WhichIsos = AIS_TOI_Both);
 
   //! Returns True if drawing isoparameters on planes is enabled.
   void IsoOnPlane(const bool theToSwitchOn) { myDefaultDrawer->SetIsoOnPlane(theToSwitchOn); }
 
   //! Returns True if drawing isoparameters on planes is enabled.
   //! if <forUIsos> = False,
   bool IsoOnPlane() const { return myDefaultDrawer->IsoOnPlane(); }
 
   //! Enables or disables on-triangulation build for isolines for a particular object.
   //! In case if on-triangulation builder is disabled, default on-plane builder will compute
   //! isolines for the object given.
   Standard_EXPORT void IsoOnTriangulation(const bool                                theIsEnabled,
                                           const occ::handle<AIS_InteractiveObject>& theObject);
 
   //! Enables or disables on-triangulation build for isolines for default drawer.
   //! In case if on-triangulation builder is disabled, default on-plane builder will compute
   //! isolines for the object given.
   void IsoOnTriangulation(const bool theToSwitchOn)
   {
     myDefaultDrawer->SetIsoOnTriangulation(theToSwitchOn);
   }
 
   //! Returns true if drawing isolines on triangulation algorithm is enabled.
   bool IsoOnTriangulation() const { return myDefaultDrawer->IsoOnTriangulation(); }
 
   //! @name obsolete methods
 public:
   Standard_DEPRECATED("Deprecated method Display() with obsolete argument "
                       "theToAllowDecomposition")
   void Display(const occ::handle<AIS_InteractiveObject>& theIObj,
                const int                                 theDispMode,
                const int                                 theSelectionMode,
                const bool                                theToUpdateViewer,
                const bool                                theToAllowDecomposition,
                const PrsMgr_DisplayStatus                theDispStatus = PrsMgr_DisplayStatus_None)
   {
     (void)theToAllowDecomposition;
     Display(theIObj, theDispMode, theSelectionMode, theToUpdateViewer, theDispStatus);
   }
 
   Standard_DEPRECATED("Deprecated method Load() with obsolete last argument "
                       "theToAllowDecomposition")
   void Load(const occ::handle<AIS_InteractiveObject>& theObj, int theSelectionMode, bool)
   {
     Load(theObj, theSelectionMode);
   }
 
   //! Updates the display in the viewer to take dynamic detection into account.
   //! On dynamic detection by the mouse cursor, sensitive primitives are highlighted.
   //! The highlight color of entities detected by mouse movement is white by default.
   Standard_DEPRECATED("Deprecated method Hilight()")
   void Hilight(const occ::handle<AIS_InteractiveObject>& theObj, const bool theIsToUpdateViewer)
   {
     return HilightWithColor(theObj, myStyles[Prs3d_TypeOfHighlight_Dynamic], theIsToUpdateViewer);
   }
 
   //! Sets the graphic basic aspect to the current presentation of ALL selected objects.
   Standard_DEPRECATED(
     "Deprecated method - presentation attributes should be assigned directly to object")
   Standard_EXPORT void SetSelectedAspect(const occ::handle<Prs3d_BasicAspect>& theAspect,
                                          const bool                            theToUpdateViewer);
 
   //! Selects everything found in the bounding rectangle defined by the pixel minima and maxima,
   //! XPMin, YPMin, XPMax, and YPMax in the view. The objects detected are passed to the main
   //! viewer, which is then updated.
   Standard_DEPRECATED("This method is deprecated - SelectRectangle() taking "
                       "AIS_SelectionScheme_Replace should be called instead")
   Standard_EXPORT AIS_StatusOfPick Select(const int                    theXPMin,
                                           const int                    theYPMin,
                                           const int                    theXPMax,
                                           const int                    theYPMax,
                                           const occ::handle<V3d_View>& theView,
                                           const bool                   theToUpdateViewer);
 
   //! polyline selection; clears the previous picked list
   Standard_DEPRECATED("This method is deprecated - SelectPolygon() taking "
                       "AIS_SelectionScheme_Replace should be called instead")
   Standard_EXPORT AIS_StatusOfPick Select(const NCollection_Array1<gp_Pnt2d>& thePolyline,
                                           const occ::handle<V3d_View>&        theView,
                                           const bool                          theToUpdateViewer);
 
   //! Stores and hilights the previous detected; Unhilights the previous picked.
   //! @sa MoveTo().
   Standard_DEPRECATED("This method is deprecated - SelectDetected() taking "
                       "AIS_SelectionScheme_Replace should be called instead")
   Standard_EXPORT AIS_StatusOfPick Select(const bool theToUpdateViewer);
 
   //! Adds the last detected to the list of previous picked.
   //! If the last detected was already declared as picked, removes it from the Picked List.
   //! @sa MoveTo().
   Standard_DEPRECATED("This method is deprecated - SelectDetected() taking AIS_SelectionScheme_XOR "
                       "should be called instead")
   Standard_EXPORT AIS_StatusOfPick ShiftSelect(const bool theToUpdateViewer);
 
   //! Adds the last detected to the list of previous picked.
   //! If the last detected was already declared as picked, removes it from the Picked List.
   Standard_DEPRECATED("This method is deprecated - SelectPolygon() taking AIS_SelectionScheme_XOR "
                       "should be called instead")
   Standard_EXPORT AIS_StatusOfPick ShiftSelect(const NCollection_Array1<gp_Pnt2d>& thePolyline,
                                                const occ::handle<V3d_View>&        theView,
                                                const bool theToUpdateViewer);
 
   //! Rectangle of selection; adds new detected entities into the picked list,
   //! removes the detected entities that were already stored.
   Standard_DEPRECATED("This method is deprecated - SelectRectangle() taking "
                       "AIS_SelectionScheme_XOR should be called instead")
   Standard_EXPORT AIS_StatusOfPick ShiftSelect(const int                    theXPMin,
                                                const int                    theYPMin,
                                                const int                    theXPMax,
                                                const int                    theYPMax,
                                                const occ::handle<V3d_View>& theView,
                                                const bool                   theToUpdateViewer);
 
 public:
   //! Updates the view of the current object in open context.
   //! Objects selected when there is no open local context are called current objects; those
   //! selected in open local context, selected objects.
   Standard_DEPRECATED("Local Context is deprecated - local selection should be used without Local "
                       "Context")
   void SetCurrentObject(const occ::handle<AIS_InteractiveObject>& theIObj,
                         const bool                                theToUpdateViewer)
   {
     SetSelected(theIObj, theToUpdateViewer);
   }
 
   //! Allows to add or remove the object given to the list of current and highlight/unhighlight it
   //! correspondingly. Is valid for global context only; for local context use method
   //! AddOrRemoveSelected. Since this method makes sense only for neutral point selection of a whole
   //! object, if 0 selection of the object is empty this method simply does nothing.
   Standard_DEPRECATED("Local Context is deprecated - local selection should be used without Local "
                       "Context")
   void AddOrRemoveCurrentObject(const occ::handle<AIS_InteractiveObject>& theObj,
                                 const bool                                theIsToUpdateViewer)
   {
     AddOrRemoveSelected(theObj, theIsToUpdateViewer);
   }
 
   //! Updates the list of current objects, i.e. hilights new current objects, removes hilighting
   //! from former current objects. Objects selected when there is no open local context are called
   //! current objects; those selected in open local context, selected objects.
   Standard_DEPRECATED("Local Context is deprecated - local selection should be used without Local "
                       "Context")
   void UpdateCurrent() { UpdateSelected(true); }
 
   //! Returns true if there is a non-null interactive object in Neutral Point.
   //! Objects selected when there is no open local context are called current objects;
   //! those selected in open local context, selected objects.
   Standard_DEPRECATED(
     "Local Context is deprecated - local selection should be used without Local Context")
   bool IsCurrent(const occ::handle<AIS_InteractiveObject>& theObject) const
   {
     return IsSelected(theObject);
   }
 
   //! Initializes a scan of the current selected objects in Neutral Point.
   //! Objects selected when there is no open local context are called current objects; those
   //! selected in open local context, selected objects.
   Standard_DEPRECATED("Local Context is deprecated - local selection should be used without Local "
                       "Context")
   void InitCurrent() { InitSelected(); }
 
   //! Returns true if there is another object found by the scan of the list of current objects.
   //! Objects selected when there is no open local context are called current objects; those
   //! selected in open local context, selected objects.
   Standard_DEPRECATED(
     "Local Context is deprecated - local selection should be used without Local Context")
   bool MoreCurrent() const { return MoreSelected(); }
 
   //! Continues the scan to the next object in the list of current objects.
   //! Objects selected when there is no open local context are called current objects; those
   //! selected in open local context, selected objects.
   Standard_DEPRECATED("Local Context is deprecated - local selection should be used without Local "
                       "Context")
   void NextCurrent() { NextSelected(); }
 
   //! Returns the current interactive object.
   //! Objects selected when there is no open local context are called current objects; those
   //! selected in open local context, selected objects.
   Standard_DEPRECATED(
     "Local Context is deprecated - local selection should be used without Local Context")
   occ::handle<AIS_InteractiveObject> Current() const { return SelectedInteractive(); }
 
   Standard_DEPRECATED(
     "Local Context is deprecated - local selection should be used without Local Context")
   int NbCurrents() { return NbSelected(); }
 
   //! Highlights current objects.
   //! Objects selected when there is no open local context are called current objects; those
   //! selected in open local context, selected objects.
   Standard_DEPRECATED("Local Context is deprecated - local selection should be used without Local "
                       "Context")
   void HilightCurrents(const bool theToUpdateViewer) { HilightSelected(theToUpdateViewer); }
 
   //! Removes highlighting from current objects.
   //! Objects selected when there is no open local context are called current objects; those
   //! selected in open local context, selected objects.
   Standard_DEPRECATED("Local Context is deprecated - local selection should be used without Local "
                       "Context")
   void UnhilightCurrents(const bool theToUpdateViewer) { UnhilightSelected(theToUpdateViewer); }
 
   //! Empties previous current objects in order to get the current objects detected by the selector
   //! using UpdateCurrent. Objects selected when there is no open local context are called current
   //! objects; those selected in open local context, selected objects.
   Standard_DEPRECATED("Local Context is deprecated - local selection should be used without Local "
                       "Context")
   void ClearCurrents(const bool theToUpdateViewer) { ClearSelected(theToUpdateViewer); }
 
   //! @return current mouse-detected shape or empty (null) shape, if current interactive object
   //! is not a shape (AIS_Shape) or there is no current mouse-detected interactive object at all.
   //! @sa DetectedCurrentOwner(), InitDetected(), MoreDetected(), NextDetected().
   Standard_DEPRECATED(
     "Local Context is deprecated - ::DetectedCurrentOwner() should be called instead")
   Standard_EXPORT const TopoDS_Shape& DetectedCurrentShape() const;
 
   //! @return current mouse-detected interactive object or null object, if there is no currently
   //! detected interactives
   //! @sa DetectedCurrentOwner(), InitDetected(), MoreDetected(), NextDetected().
   Standard_DEPRECATED(
     "Local Context is deprecated - ::DetectedCurrentOwner() should be called instead")
   Standard_EXPORT occ::handle<AIS_InteractiveObject> DetectedCurrentObject() const;
 
 public: //! @name sub-intensity management (deprecated)
   //! Sub-intensity allows temporary highlighting of particular objects with specified color in a
   //! manner of selection highlight, but without actual selection (e.g., global status and owner's
   //! selection state will not be updated). The method returns the color of such highlighting. By
   //! default, it is Quantity_NOC_GRAY40.
   const Quantity_Color& SubIntensityColor() const
   {
     return myStyles[Prs3d_TypeOfHighlight_SubIntensity]->Color();
   }
 
   //! Sub-intensity allows temporary highlighting of particular objects with specified color in a
   //! manner of selection highlight, but without actual selection (e.g., global status and owner's
   //! selection state will not be updated). The method sets up the color for such highlighting. By
   //! default, this is Quantity_NOC_GRAY40.
   void SetSubIntensityColor(const Quantity_Color& theColor)
   {
     myStyles[Prs3d_TypeOfHighlight_SubIntensity]->SetColor(theColor);
   }
 
   //! Highlights, and removes highlights from, the displayed object which is displayed at Neutral
   //! Point with subintensity color. Available only for active local context. There is no effect if
   //! there is no local context. If a local context is open, the presentation of the Interactive
   //! Object activates the selection mode.
   Standard_EXPORT void SubIntensityOn(const occ::handle<AIS_InteractiveObject>& theIObj,
                                       const bool                                theToUpdateViewer);
 
   //! Removes the subintensity option for the entity.
   //! If a local context is open, the presentation of the Interactive Object activates the selection
   //! mode.
   Standard_EXPORT void SubIntensityOff(const occ::handle<AIS_InteractiveObject>& theIObj,
                                        const bool                                theToUpdateViewer);
 
   //! Returns selection instance
   const occ::handle<AIS_Selection>& Selection() const { return mySelection; }
 
   //! Sets selection instance to manipulate a container of selected owners
   //! @param theSelection an instance of the selection
   void SetSelection(const occ::handle<AIS_Selection>& theSelection) { mySelection = theSelection; }
 
   //! Dumps the content of me into the stream
   Standard_EXPORT virtual void DumpJson(Standard_OStream& theOStream, int theDepth = -1) const;
 
 protected: //! @name internal methods
   Standard_EXPORT void GetDefModes(const occ::handle<AIS_InteractiveObject>& anIobj,
                                    int&                                      Dmode,
                                    int&                                      HiMod,
                                    int&                                      SelMode) const;
 
   Standard_EXPORT void EraseGlobal(const occ::handle<AIS_InteractiveObject>& theIObj,
                                    const bool                                theToUpdateViewer);
 
   Standard_EXPORT void ClearGlobal(const occ::handle<AIS_InteractiveObject>& theIObj,
                                    const bool                                theToUpdateViewer);
 
   Standard_EXPORT void ClearGlobalPrs(const occ::handle<AIS_InteractiveObject>& theObj,
                                       const int                                 theMode,
                                       const bool                                theToUpdateViewer);
 
   Standard_EXPORT void InitAttributes();
 
   //! Highlights detected objects.
   //! If theToRedrawOnUpdate is set to false, callee should call RedrawImmediate() to update view.
   Standard_EXPORT AIS_StatusOfDetection moveTo(const occ::handle<V3d_View>& theView,
                                                const bool                   theToRedrawOnUpdate);
 
   //! Returns True if the object is detected.
   Standard_EXPORT bool isDetected(const occ::handle<AIS_InteractiveObject>& theObject);
 
   //! Helper function to unhighlight all entity owners currently highlighted with seleciton color.
   Standard_EXPORT void unselectOwners(const occ::handle<AIS_InteractiveObject>& theObject);
 
   //! Helper function that highlights the owner given with <theStyle> without
   //! performing AutoHighlight checks, e.g. is used for dynamic highlight.
   Standard_EXPORT void highlightWithColor(const occ::handle<SelectMgr_EntityOwner>& theOwner,
                                           const occ::handle<V3d_Viewer>& theViewer = nullptr);
 
   //! Helper function that highlights the owner given with <theStyle> with check
   //! for AutoHighlight, e.g. is used for selection.
   Standard_EXPORT void highlightSelected(const occ::handle<SelectMgr_EntityOwner>& theOwner);
 
   //! Helper function that highlights the owners with check for AutoHighlight, e.g. is used for
   //! selection.
   //! @param[in] theOwners  list of owners to highlight
   //! @param[in] theStyle   highlight style to apply or NULL to apply selection style
   Standard_EXPORT void highlightOwners(
     const NCollection_List<occ::handle<SelectMgr_EntityOwner>>& theOwners,
     const occ::handle<Prs3d_Drawer>&                            theStyle);
 
   //! Helper function that highlights global owner of the object given with <theStyle> with check
   //! for AutoHighlight, e.g. is used for selection.
   //! If global owner is null, it simply highlights the whole object
   Standard_EXPORT void highlightGlobal(const occ::handle<AIS_InteractiveObject>& theObj,
                                        const occ::handle<Prs3d_Drawer>&          theStyle,
                                        const int                                 theDispMode);
 
   //! Helper function that unhighlights all owners that are stored in current AIS_Selection.
   //! The function updates global status and selection state of owner and interactive object.
   //! If the parameter <theIsToHilightSubIntensity> is set to true, interactive objects with
   //! sub-intensity switched on in AIS_GlobalStatus will be highlighted with context's sub-intensity
   //! color.
   Standard_EXPORT void unhighlightSelected(const bool theIsToHilightSubIntensity = false);
 
   //! Helper function that unhighlights the owners with check
   //! for AutoHighlight, e.g. is used for selection.
   Standard_EXPORT void unhighlightOwners(
     const NCollection_List<occ::handle<SelectMgr_EntityOwner>>& theOwners,
     const bool                                                  theIsToHilightSubIntensity = false);
 
   //! Helper function that unhighlights global selection owner of given interactive.
   //! The function does not perform any updates of global or owner status
   Standard_EXPORT void unhighlightGlobal(const occ::handle<AIS_InteractiveObject>& theObj);
 
   //! Helper function that turns on sub-intensity in global status and highlights
   //! given objects with sub-intensity color
   //! @param[in] theObject  the object. If NULL is given, than sub-intensity will be turned on for
   //! all inveractive objects of the context
   //! @param[in] theDispMode  display mode. If -1 is given, sub-intensity will be turned on for
   //! all display modes in global status's list of modes
   //! @param[in] theIsDisplayedOnly  is true if sub-intensity should be applied only to objects with
   //! status AIS_DS_Displayed
   Standard_EXPORT void turnOnSubintensity(
     const occ::handle<AIS_InteractiveObject>& theObject          = nullptr,
     const int                                 theDispMode        = -1,
     const bool                                theIsDisplayedOnly = true) const;
 
   //! Helper function that highlights the object with sub-intensity color without any checks
   //! @param[in] theObject  the object that will be highlighted
   //! @param[in] theMode  display mode
   Standard_EXPORT void highlightWithSubintensity(
     const occ::handle<AIS_InteractiveObject>& theObject,
     const int                                 theMode) const;
 
   //! Helper function that highlights the owner with sub-intensity color without any checks
   //! @param[in] theOwner  the owner that will be highlighted
   //! @param[in] theMode  display mode
   Standard_EXPORT void highlightWithSubintensity(const occ::handle<SelectMgr_EntityOwner>& theOwner,
                                                  const int theMode) const;
 
   //! Helper function that returns correct dynamic highlight style for the object:
   //! if custom style is defined via object's highlight drawer, it will be used. Otherwise,
   //! dynamic highlight style of interactive context will be returned.
   //! @param[in] theObj  the object to check
   const occ::handle<Prs3d_Drawer>& getHiStyle(
     const occ::handle<AIS_InteractiveObject>& theObj,
     const occ::handle<SelectMgr_EntityOwner>& theOwner) const
   {
     const occ::handle<Prs3d_Drawer>& aHiDrawer = theObj->DynamicHilightAttributes();
     if (!aHiDrawer.IsNull())
     {
       return aHiDrawer;
     }
 
     return myStyles[!theOwner.IsNull() && theOwner->ComesFromDecomposition()
                       ? Prs3d_TypeOfHighlight_LocalDynamic
                       : Prs3d_TypeOfHighlight_Dynamic];
   }
 
   //! Return TRUE if highlight style of owner requires full viewer redraw.
   Standard_EXPORT bool isSlowHiStyle(const occ::handle<SelectMgr_EntityOwner>& theOwner,
                                      const occ::handle<V3d_Viewer>&            theViewer) const;
 
   //! Helper function that returns correct selection style for the object:
   //! if custom style is defined via object's highlight drawer, it will be used. Otherwise,
   //! selection style of interactive context will be returned.
   //! @param[in] theObj  the object to check
   const occ::handle<Prs3d_Drawer>& getSelStyle(
     const occ::handle<AIS_InteractiveObject>& theObj,
     const occ::handle<SelectMgr_EntityOwner>& theOwner) const
   {
     const occ::handle<Prs3d_Drawer>& aHiDrawer = theObj->HilightAttributes();
     if (!aHiDrawer.IsNull())
     {
       return aHiDrawer;
     }
 
     return myStyles[!theOwner.IsNull() && theOwner->ComesFromDecomposition()
                       ? Prs3d_TypeOfHighlight_LocalSelected
                       : Prs3d_TypeOfHighlight_Selected];
   }
 
   //! Assign the context to the object or throw exception if object was already assigned to another
   //! context.
   Standard_EXPORT void setContextToObject(const occ::handle<AIS_InteractiveObject>& theObj);
 
   //! Return display mode for highlighting.
   int getHilightMode(const occ::handle<AIS_InteractiveObject>& theObj,
                      const occ::handle<Prs3d_Drawer>&          theStyle,
                      const int                                 theDispMode) const
   {
     if (!theStyle.IsNull() && theStyle->DisplayMode() != -1
         && theObj->AcceptDisplayMode(theStyle->DisplayMode()))
     {
       return theStyle->DisplayMode();
     }
     else if (theDispMode != -1)
     {
       return theDispMode;
     }
     else if (theObj->HasDisplayMode())
     {
       return theObj->DisplayMode();
     }
     return myDefaultDrawer->DisplayMode();
   }
 
   //! Removes dynamic highlight draw
   void clearDynamicHighlight() const
   {
     if (myLastPicked.IsNull())
       return;
 
     myLastPicked->Selectable()->ClearDynamicHighlight(myMainPM);
   }
 
   //! Bind/Unbind status to object and its children
   //! @param[in] theIObj the object to change status
   //! @param[in] theStatus status, if NULL, unbind object
   Standard_EXPORT void setObjectStatus(const occ::handle<AIS_InteractiveObject>& theIObj,
                                        const PrsMgr_DisplayStatus                theStatus,
                                        const int                                 theDispyMode,
                                        const int                                 theSelectionMode);
 
 protected: //! @name internal fields
   NCollection_DataMap<occ::handle<AIS_InteractiveObject>, occ::handle<AIS_GlobalStatus>> myObjects;
   occ::handle<SelectMgr_SelectionManager> mgrSelector;
   occ::handle<PrsMgr_PresentationManager> myMainPM;
   occ::handle<V3d_Viewer>                 myMainVwr;
   V3d_View*                               myLastActiveView;
   occ::handle<SelectMgr_EntityOwner>      myLastPicked;
   bool                                    myToHilightSelected;
   occ::handle<AIS_Selection>              mySelection;
   occ::handle<SelectMgr_AndOrFilter>      myFilters; //!< context filter (the content active filters
                                                      //!  can be applied with AND or OR operation)
   occ::handle<Prs3d_Drawer> myDefaultDrawer;
   occ::handle<Prs3d_Drawer> myStyles[Prs3d_TypeOfHighlight_NB];
   NCollection_Sequence<int> myDetectedSeq;
   int                       myCurDetected;
   int                       myCurHighlighted;
   SelectMgr_PickingStrategy myPickingStrategy; //!< picking strategy to be applied within MoveTo()
   bool                      myAutoHilight;
   bool                      myIsAutoActivateSelMode;
 };
 
 #endif // _AIS_InteractiveContext_HeaderFile

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