1 // Created on: 1995-02-20
2 // Created by: Mister rmi
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _SelectMgr_SelectableObject_HeaderFile
18 #define _SelectMgr_SelectableObject_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <SelectMgr_SequenceOfSelection.hxx>
24 #include <Prs3d_Drawer.hxx>
25 #include <Standard_Integer.hxx>
26 #include <Standard_Boolean.hxx>
27 #include <PrsMgr_PresentableObject.hxx>
28 #include <PrsMgr_TypeOfPresentation3d.hxx>
29 #include <SelectMgr_Selection.hxx>
30 #include <PrsMgr_PresentationManager3d.hxx>
31 #include <SelectMgr_SequenceOfOwner.hxx>
32 #include <Quantity_NameOfColor.hxx>
33 #include <Graphic3d_ZLayerId.hxx>
34 #include <SelectMgr_IndexedMapOfOwner.hxx>
35 class SelectMgr_EntityOwner;
36 class Prs3d_Presentation;
37 class Standard_NotImplemented;
38 class SelectMgr_SelectionManager;
42 class SelectMgr_SelectableObject;
43 DEFINE_STANDARD_HANDLE(SelectMgr_SelectableObject, PrsMgr_PresentableObject)
45 //! A framework to supply the structure of the object to be
46 //! selected. At the first pick, this structure is created by
47 //! calling the appropriate algorithm and retaining this
48 //! framework for further picking.
49 //! This abstract framework is inherited in Application
50 //! Interactive Services (AIS), notably in AIS_InteractiveObject.
51 //! Consequently, 3D selection should be handled by the
52 //! relevant daughter classes and their member functions
53 //! in AIS. This is particularly true in the creation of new interactive objects.
54 class SelectMgr_SelectableObject : public PrsMgr_PresentableObject
56 DEFINE_STANDARD_RTTIEXT(SelectMgr_SelectableObject, PrsMgr_PresentableObject)
57 friend class SelectMgr_SelectionManager;
60 //! Clears all selections of the object
61 Standard_EXPORT virtual ~SelectMgr_SelectableObject();
63 //! Recovers and calculates any sensitive primitive,
64 //! aSelection, available in Shape mode, specified by
65 //! aMode. As a rule, these are sensitive faces.
66 //! This method is defined as virtual. This enables you to
67 //! implement it in the creation of a new class of AIS
68 //! Interactive Object. You need to do this and in so
69 //! doing, redefine this method, if you create a class
70 //! which enriches the list of signatures and types.
71 Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& aSelection, const Standard_Integer aMode) = 0;
73 //! Re-computes the sensitive primitives for all modes. IMPORTANT: Do not use
74 //! this method to update selection primitives except implementing custom selection manager!
75 //! This method does not take into account necessary BVH updates, but may invalidate the pointers
76 //! it refers to. TO UPDATE SELECTION properly from outside classes, use method UpdateSelection.
77 Standard_EXPORT void RecomputePrimitives();
79 //! Re-computes the sensitive primitives which correspond to the <theMode>th selection mode.
80 //! IMPORTANT: Do not use this method to update selection primitives except implementing custom selection manager!
81 //! selection manager! This method does not take into account necessary BVH updates, but may invalidate
82 //! the pointers it refers to. TO UPDATE SELECTION properly from outside classes, use method UpdateSelection.
83 Standard_EXPORT void RecomputePrimitives (const Standard_Integer theMode);
85 //! Adds the selection aSelection with the selection mode
86 //! index aMode to this framework.
87 Standard_EXPORT void AddSelection (const Handle(SelectMgr_Selection)& aSelection, const Standard_Integer aMode);
89 //! Empties all the selections in the SelectableObject
90 //! <update> parameter defines whether all object's
91 //! selections should be flagged for further update or not.
92 //! This improved method can be used to recompute an
93 //! object's selection (without redisplaying the object
94 //! completely) when some selection mode is activated not for the first time.
95 Standard_EXPORT void ClearSelections (const Standard_Boolean update = Standard_False);
97 //! Returns the selection Selection having the selection mode aMode.
98 Standard_EXPORT const Handle(SelectMgr_Selection)& Selection (const Standard_Integer aMode) const;
100 //! Returns true if a selection corresponding to the
101 //! selection mode theMode was computed for this object.
102 Standard_EXPORT virtual Standard_Boolean HasSelection (const Standard_Integer theMode) const;
104 //! Begins the iteration scanning for sensitive primitives.
110 //! Continues the iteration scanning for sensitive primitives.
111 Standard_Boolean More() const
113 return mycurrent <= myselections.Length();
116 //! Continues the iteration scanning for sensitive primitives.
122 //! Returns the current selection in this framework.
123 const Handle(SelectMgr_Selection)& CurrentSelection() const
125 return myselections (mycurrent);
128 Standard_EXPORT void ResetTransformation() Standard_OVERRIDE;
130 //! Recomputes the location of the selection aSelection.
131 Standard_EXPORT virtual void UpdateTransformation() Standard_OVERRIDE;
133 //! Updates locations in all sensitive entities from <aSelection>
134 //! and in corresponding entity owners.
135 Standard_EXPORT virtual void UpdateTransformations (const Handle(SelectMgr_Selection)& aSelection);
137 //! Method which draws selected owners ( for fast presentation draw )
138 Standard_EXPORT virtual void HilightSelected (const Handle(PrsMgr_PresentationManager3d)& PM, const SelectMgr_SequenceOfOwner& Seq);
140 //! Method which clear all selected owners belonging
141 //! to this selectable object ( for fast presentation draw )
142 Standard_EXPORT virtual void ClearSelected();
144 //! Method which hilight an owner belonging to
145 //! this selectable object ( for fast presentation draw )
146 Standard_EXPORT virtual void HilightOwnerWithColor (const Handle(PrsMgr_PresentationManager3d)& thePM,
147 const Handle(Prs3d_Drawer)& theStyle,
148 const Handle(SelectMgr_EntityOwner)& theOwner);
150 //! If returns True, the old mechanism for highlighting
151 //! selected objects is used (HilightSelected Method may be empty).
152 //! If returns False, the HilightSelected method will be
153 //! fully responsible for highlighting selected entity
154 //! owners belonging to this selectable object.
155 Standard_EXPORT virtual Standard_Boolean IsAutoHilight() const;
157 //! Set AutoHilight property to true or false
158 //! Sets up Transform Persistence Mode for this object
159 Standard_EXPORT virtual void SetAutoHilight (const Standard_Boolean newAutoHilight);
161 Standard_EXPORT Handle(Prs3d_Presentation) GetHilightPresentation (const Handle(PrsMgr_PresentationManager3d)& TheMgr);
163 Standard_EXPORT Handle(Prs3d_Presentation) GetSelectPresentation (const Handle(PrsMgr_PresentationManager3d)& TheMgr);
165 //! Set Z layer ID and update all presentations of the selectable object.
166 //! The layers mechanism allows drawing objects in higher layers in overlay of objects in lower layers.
167 Standard_EXPORT virtual void SetZLayer (const Graphic3d_ZLayerId theLayerId) Standard_OVERRIDE;
169 //! Sets update status FULL to selections of the object. Must be used as the only method of UpdateSelection
170 //! from outer classes to prevent BVH structures from being outdated.
171 void UpdateSelection (const Standard_Integer theMode = -1)
173 updateSelection (theMode);
176 //! Returns bounding box of selectable object
177 //! by storing its minimum and maximum 3d coordinates
178 //! to output parameters
179 Standard_EXPORT virtual void BoundingBox (Bnd_Box& theBndBox) = 0;
181 //! Sets common entity owner for assembly sensitive object entities
182 Standard_EXPORT void SetAssemblyOwner (const Handle(SelectMgr_EntityOwner)& theOwner, const Standard_Integer theMode = -1);
184 //! Returns common entity owner if the object is an assembly
185 Standard_EXPORT const Handle(SelectMgr_EntityOwner)& GetAssemblyOwner() const;
187 //! Returns a bounding box of sensitive entities with the owners given
188 //! if they are a part of activated selection
189 Standard_EXPORT Bnd_Box BndBoxOfSelected (const Handle(SelectMgr_IndexedMapOfOwner)& theOwners);
191 //! Returns the mode for selection of object as a whole
192 Standard_Integer GlobalSelectionMode() const
194 return myGlobalSelMode;
197 //! Returns the owner of mode for selection of object as a whole
198 Standard_EXPORT virtual Handle(SelectMgr_EntityOwner) GlobalSelOwner() const;
202 Standard_EXPORT SelectMgr_SelectableObject(const PrsMgr_TypeOfPresentation3d aTypeOfPresentation3d = PrsMgr_TOP_AllView);
204 void setGlobalSelMode (const Standard_Integer theMode)
206 myGlobalSelMode = theMode > 0 ? theMode : 0;
209 Standard_EXPORT virtual void updateSelection (const Standard_Integer theMode);
213 SelectMgr_SequenceOfSelection myselections;
214 Handle(SelectMgr_EntityOwner) myAssemblyOwner;
215 Standard_Boolean myAutoHilight;
219 Standard_Integer mycurrent;
220 Handle(Prs3d_Presentation) mySelectionPrs;
221 Handle(Prs3d_Presentation) myHilightPrs;
222 Standard_Integer myGlobalSelMode;
225 #endif // _SelectMgr_SelectableObject_HeaderFile