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 <PrsMgr_PresentableObject.hxx>
21 #include <PrsMgr_PresentationManager3d.hxx>
22 #include <PrsMgr_TypeOfPresentation3d.hxx>
23 #include <SelectMgr_IndexedMapOfOwner.hxx>
24 #include <SelectMgr_SequenceOfSelection.hxx>
25 #include <SelectMgr_Selection.hxx>
26 #include <SelectMgr_SequenceOfOwner.hxx>
28 class SelectMgr_EntityOwner;
29 class Prs3d_Presentation;
30 class Standard_NotImplemented;
31 class SelectMgr_SelectionManager;
33 //! A framework to supply the structure of the object to be
34 //! selected. At the first pick, this structure is created by
35 //! calling the appropriate algorithm and retaining this
36 //! framework for further picking.
37 //! This abstract framework is inherited in Application
38 //! Interactive Services (AIS), notably in AIS_InteractiveObject.
39 //! Consequently, 3D selection should be handled by the
40 //! relevant daughter classes and their member functions
41 //! in AIS. This is particularly true in the creation of new interactive objects.
42 class SelectMgr_SelectableObject : public PrsMgr_PresentableObject
44 DEFINE_STANDARD_RTTIEXT(SelectMgr_SelectableObject, PrsMgr_PresentableObject)
45 friend class SelectMgr_SelectionManager;
48 //! Clears all selections of the object
49 Standard_EXPORT virtual ~SelectMgr_SelectableObject();
51 //! Recovers and calculates any sensitive primitive,
52 //! aSelection, available in Shape mode, specified by
53 //! aMode. As a rule, these are sensitive faces.
54 //! This method is defined as virtual. This enables you to
55 //! implement it in the creation of a new class of AIS
56 //! Interactive Object. You need to do this and in so
57 //! doing, redefine this method, if you create a class
58 //! which enriches the list of signatures and types.
59 Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& aSelection, const Standard_Integer aMode) = 0;
61 //! Re-computes the sensitive primitives for all modes. IMPORTANT: Do not use
62 //! this method to update selection primitives except implementing custom selection manager!
63 //! This method does not take into account necessary BVH updates, but may invalidate the pointers
64 //! it refers to. TO UPDATE SELECTION properly from outside classes, use method UpdateSelection.
65 Standard_EXPORT void RecomputePrimitives();
67 //! Re-computes the sensitive primitives which correspond to the <theMode>th selection mode.
68 //! IMPORTANT: Do not use this method to update selection primitives except implementing custom selection manager!
69 //! selection manager! This method does not take into account necessary BVH updates, but may invalidate
70 //! the pointers it refers to. TO UPDATE SELECTION properly from outside classes, use method UpdateSelection.
71 Standard_EXPORT void RecomputePrimitives (const Standard_Integer theMode);
73 //! Adds the selection aSelection with the selection mode
74 //! index aMode to this framework.
75 Standard_EXPORT void AddSelection (const Handle(SelectMgr_Selection)& aSelection, const Standard_Integer aMode);
77 //! Empties all the selections in the SelectableObject
78 //! <update> parameter defines whether all object's
79 //! selections should be flagged for further update or not.
80 //! This improved method can be used to recompute an
81 //! object's selection (without redisplaying the object
82 //! completely) when some selection mode is activated not for the first time.
83 Standard_EXPORT void ClearSelections (const Standard_Boolean update = Standard_False);
85 //! Returns the selection having specified selection mode or NULL.
86 Standard_EXPORT const Handle(SelectMgr_Selection)& Selection (const Standard_Integer theMode) const;
88 //! Returns true if a selection corresponding to the selection mode theMode was computed for this object.
89 Standard_Boolean HasSelection (const Standard_Integer theMode) const { return !Selection (theMode).IsNull(); }
91 //! Return the sequence of selections.
92 const SelectMgr_SequenceOfSelection& Selections() const { return myselections; }
94 //! Begins the iteration scanning for sensitive primitives.
95 Standard_DEPRECATED("Deprecated method, Selections() should be used instead")
96 void Init() { mycurrent = 1; }
98 //! Continues the iteration scanning for sensitive primitives.
99 Standard_DEPRECATED("Deprecated method, Selections() should be used instead")
100 Standard_Boolean More() const { return mycurrent <= myselections.Length(); }
102 //! Continues the iteration scanning for sensitive primitives.
103 Standard_DEPRECATED("Deprecated method, Selections() should be used instead")
104 void Next() { ++mycurrent; }
106 //! Returns the current selection in this framework.
107 Standard_DEPRECATED("Deprecated method, Selections() should be used instead")
108 const Handle(SelectMgr_Selection)& CurrentSelection() const { return myselections (mycurrent); }
110 Standard_EXPORT void ResetTransformation() Standard_OVERRIDE;
112 //! Recomputes the location of the selection aSelection.
113 Standard_EXPORT virtual void UpdateTransformation() Standard_OVERRIDE;
115 //! Updates locations in all sensitive entities from <aSelection>
116 //! and in corresponding entity owners.
117 Standard_EXPORT virtual void UpdateTransformations (const Handle(SelectMgr_Selection)& aSelection);
119 //! Method which draws selected owners ( for fast presentation draw )
120 Standard_EXPORT virtual void HilightSelected (const Handle(PrsMgr_PresentationManager3d)& PM, const SelectMgr_SequenceOfOwner& Seq);
122 //! Method which clear all selected owners belonging
123 //! to this selectable object ( for fast presentation draw )
124 Standard_EXPORT virtual void ClearSelected();
126 //! Method that needs to be implemented when the object
127 //! manages selection and dynamic highlighting on its own.
128 //! Clears or invalidates dynamic highlight presentation.
129 //! By default it clears immediate draw of given presentation
131 Standard_EXPORT virtual void ClearDynamicHighlight (const Handle(PrsMgr_PresentationManager3d)& theMgr);
133 //! Method which hilight an owner belonging to
134 //! this selectable object ( for fast presentation draw )
135 Standard_EXPORT virtual void HilightOwnerWithColor (const Handle(PrsMgr_PresentationManager3d)& thePM,
136 const Handle(Prs3d_Drawer)& theStyle,
137 const Handle(SelectMgr_EntityOwner)& theOwner);
139 //! If returns True, the old mechanism for highlighting
140 //! selected objects is used (HilightSelected Method may be empty).
141 //! If returns False, the HilightSelected method will be
142 //! fully responsible for highlighting selected entity
143 //! owners belonging to this selectable object.
144 Standard_EXPORT virtual Standard_Boolean IsAutoHilight() const;
146 //! Set AutoHilight property to true or false
147 //! Sets up Transform Persistence Mode for this object
148 Standard_EXPORT virtual void SetAutoHilight (const Standard_Boolean newAutoHilight);
150 Standard_EXPORT Handle(Prs3d_Presentation) GetHilightPresentation (const Handle(PrsMgr_PresentationManager3d)& TheMgr);
152 Standard_EXPORT Handle(Prs3d_Presentation) GetSelectPresentation (const Handle(PrsMgr_PresentationManager3d)& TheMgr);
154 //! Removes presentations returned by GetHilightPresentation() and GetSelectPresentation().
155 Standard_EXPORT virtual void ErasePresentations (Standard_Boolean theToRemove);
157 //! Set Z layer ID and update all presentations of the selectable object.
158 //! The layers mechanism allows drawing objects in higher layers in overlay of objects in lower layers.
159 Standard_EXPORT virtual void SetZLayer (const Graphic3d_ZLayerId theLayerId) Standard_OVERRIDE;
161 //! Sets update status FULL to selections of the object. Must be used as the only method of UpdateSelection
162 //! from outer classes to prevent BVH structures from being outdated.
163 void UpdateSelection (const Standard_Integer theMode = -1)
165 updateSelection (theMode);
168 //! Returns bounding box of selectable object
169 //! by storing its minimum and maximum 3d coordinates
170 //! to output parameters
171 Standard_EXPORT virtual void BoundingBox (Bnd_Box& theBndBox) = 0;
173 //! Sets common entity owner for assembly sensitive object entities
174 Standard_EXPORT void SetAssemblyOwner (const Handle(SelectMgr_EntityOwner)& theOwner, const Standard_Integer theMode = -1);
176 //! Returns a bounding box of sensitive entities with the owners given
177 //! if they are a part of activated selection
178 Standard_EXPORT Bnd_Box BndBoxOfSelected (const Handle(SelectMgr_IndexedMapOfOwner)& theOwners);
180 //! Returns the mode for selection of object as a whole
181 Standard_Integer GlobalSelectionMode() const
183 return myGlobalSelMode;
186 //! Returns the owner of mode for selection of object as a whole
187 Standard_EXPORT virtual Handle(SelectMgr_EntityOwner) GlobalSelOwner() const;
189 //! Returns common entity owner if the object is an assembly
190 Standard_EXPORT virtual const Handle(SelectMgr_EntityOwner)& GetAssemblyOwner() const;
194 Standard_EXPORT SelectMgr_SelectableObject(const PrsMgr_TypeOfPresentation3d aTypeOfPresentation3d = PrsMgr_TOP_AllView);
196 void setGlobalSelMode (const Standard_Integer theMode)
198 myGlobalSelMode = theMode > 0 ? theMode : 0;
201 //! Update clipping planes state.
202 Standard_EXPORT virtual void UpdateClipping() Standard_OVERRIDE;
204 Standard_EXPORT virtual void updateSelection (const Standard_Integer theMode);
208 SelectMgr_SequenceOfSelection myselections;
209 Handle(Prs3d_Presentation) mySelectionPrs;
210 Handle(Prs3d_Presentation) myHilightPrs;
211 Standard_Boolean myAutoHilight;
215 Standard_Integer mycurrent;
216 Standard_Integer myGlobalSelMode;
220 DEFINE_STANDARD_HANDLE(SelectMgr_SelectableObject, PrsMgr_PresentableObject)
222 #endif // _SelectMgr_SelectableObject_HeaderFile