1 // Copyright (C) 2007-2023 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // Author : OPEN CASCADE
24 // File: GLViewer_Context.h
25 // Created: November, 2004
27 #ifndef GLVIEWER_CONTEXT_H
28 #define GLVIEWER_CONTEXT_H
34 #include "GLViewer_Defs.h"
35 #include "GLViewer_Object.h"
39 #include <Quantity_NameOfColor.hxx>
40 #include <Quantity_Color.hxx>
43 #include <OpenGL/gl.h>
48 class GLViewer_Viewer2d;
51 #pragma warning( disable:4251 )
54 /*! \class GLViewer_Context
55 * Class for manage of presentations in GLViewer
57 class GLVIEWER_API GLViewer_Context
61 GLViewer_Context( GLViewer_Viewer2d* );
65 //! A function installing update flag in highlighting technology
66 void setUpdateAll( bool on ) { myUpdateAll = on; }
67 //! Returns update flag in highlighting technology
68 bool isUpdateAll() const { return myUpdateAll; }
70 //! Main interactive method. Trace mouse in viewer window
72 *\param x - X coord of mouse cursor
73 *\param y - Y coord of mouse cursor
74 *\paran byCircle - true if needs round sensitive area around mouse cursor, else rectangle
75 *function search object rectangle which intersect with sensitive area and call object highlight method
77 int MoveTo( int x, int y, bool byCircle = false );
78 /*! A function selecting already highlighting object by calling object method select
79 *\param Append - true if new selection will be append to existing selection, false - another
80 *\param byCircle - true if needs round selection area in complex object
82 int Select( bool Append = false, bool byCircle = false );
83 /*! A function selecting objects on scene by rectangle
84 *\param theRect - rectangle of selection
85 *\param Append - true if new selection will be append to existing selection, false - another
86 *function search object rectangle which intersect with theRect and call object select method
88 int SelectByRect( const QRect& theRect, bool Append = false );
90 //! A function installing highlight color for all presentation (does not work)
91 void SetHighlightColor( Quantity_NameOfColor aCol );
92 //! A function installing select color for all presentation (does not work)
93 void SetSelectionColor( Quantity_NameOfColor aCol );
94 //! Returns highlight color
95 Quantity_NameOfColor HighlightColor() { return myHighlightColor; }
96 //! Returns select color
97 Quantity_NameOfColor SelectionColor() { return mySelectionColor; }
99 //! Returns number of objects in current selection
101 //! A function set iterator of selected objects on first object
103 //! Retuns true if iterator of selected objects is not set on last object
105 //! Increment of iterator of selected objects
107 //! Returns object corresponding the current iterator of selected objects
108 GLViewer_Object* SelectedObject();
110 //! Returns true if theObject is selected
111 bool isSelected( GLViewer_Object* theObject );
113 //! Insert new object in context
115 *\param theObject - inserting object
116 *\param display - true if needs display object immediatly after inserting, else false
117 *\param isActive - true if needs inserting object in active list
119 int insertObject( GLViewer_Object* theObject, bool display = false, bool isActive = true );
120 //! Replacing objects in context
122 * Function search active and incative objects
124 bool replaceObject( GLViewer_Object* oldObject, GLViewer_Object* newObject );
125 //! A function updating scales of all objects in context
126 void updateScales( GLfloat theX, GLfloat theY );
127 //! A function installing tolerance in window pixels for highlghting and selection methods
128 void setTolerance( int tol ) { myTolerance = tol; }
130 //! Returns list of context objects
132 * \return active objects if isActive = true, else inactive objects
134 const ObjList& getObjects( bool isActive = true )
135 { return isActive ? myActiveObjects : myInactiveObjects; }
137 //! Returns first active object
138 GLViewer_Object* getFirstObject() { return *( myActiveObjects.begin() ); }
140 //! A function clear highlighted object information
141 void clearHighlighted( bool updateViewer );
142 //! A function clear selection object information
143 void clearSelected( bool updateViewer );
144 //! A function make theObject as selected object and update viewer if updateViewer = true
145 void setSelected( GLViewer_Object* theObject, bool updateViewer );
146 //! A function make theObject as unselected object and update viewer if updateViewer = true
147 void remSelected( GLViewer_Object* theObject, bool updateViewer );
149 //! Returns highlighted object
150 GLViewer_Object* getCurrentObject() { return myLastPicked; }
151 //! Returns true if after last MoveTo method calling highlight object is changed
152 bool currentObjectIsChanged() { return myLastPickedChanged; }
154 //! A function installing to theObject invisible status and update viewer if updateViewer = true
155 void eraseObject( GLViewer_Object* theObject, bool updateViewer = true );
156 //! A function remove theObject from context and update viewer if updateViewer = true
157 void deleteObject( GLViewer_Object* theObject, bool updateViewer = true );
159 //! A function installing to theObject active status
160 bool setActive( GLViewer_Object* theObject );
161 //! A function installing to theObject inactive status
162 bool setInactive( GLViewer_Object* theObject );
165 //! Flag of updating viewer after highlight
167 * if = true, the viewer update all objects after change of highlight object,
168 * else - only highlight object
172 GLViewer_Viewer2d* myGLViewer2d;
173 //! Highlighted object
174 GLViewer_Object* myLastPicked;
175 //! = true if after last MoveTo method calling highlight object is changed
176 bool myLastPickedChanged;
178 //! List of active object
179 /*!Active objects if consider in highlight and select methods*/
180 ObjList myActiveObjects;
181 //! List of inactive object
182 /*!Active objects isn't consider in highlight and select methods*/
183 ObjList myInactiveObjects;
185 //! List of selected objects
186 ObjList mySelectedObjects;
187 //! Selected object iterator
190 //! X coordinate of mouse cursor
192 //! Y coordinate of mouse cursor
195 //! Color for highlight
196 Quantity_NameOfColor myHighlightColor;
197 //! Color for selection
198 Quantity_NameOfColor mySelectionColor;
199 //! If = false - moveTo method is not any highlighting
201 //! If = false - select method is not any select
203 //! Tolerance in window pixels for highlghting and selection methods
208 #pragma warning ( default:4251 )