1 // Copyright (C) 2007-2008 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.
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
22 // Author : OPEN CASCADE
23 // File: GLViewer_Context.h
24 // Created: November, 2004
26 #ifndef GLVIEWER_CONTEXT_H
27 #define GLVIEWER_CONTEXT_H
33 #include "GLViewer_Defs.h"
34 #include "GLViewer_Object.h"
38 #include <Quantity_NameOfColor.hxx>
39 #include <Quantity_Color.hxx>
43 class GLViewer_Viewer2d;
46 #pragma warning( disable:4251 )
49 /*! \class GLViewer_Context
50 * Class for manage of presentations in GLViewer
52 class GLVIEWER_API GLViewer_Context
56 GLViewer_Context( GLViewer_Viewer2d* );
60 //! A function installing update flag in highlighting technology
61 void setUpdateAll( bool on ) { myUpdateAll = on; }
62 //! Returns update flag in highlighting technology
63 bool isUpdateAll() const { return myUpdateAll; }
65 //! Main interactive method. Trace mouse in viewer window
67 *\param x - X coord of mouse cursor
68 *\param y - Y coord of mouse cursor
69 *\paran byCircle - true if needs round sensitive area around mouse cursor, else rectangle
70 *function search object rectangle which intersect with sensitive area and call object highlight method
72 int MoveTo( int x, int y, bool byCircle = FALSE );
73 /*! A function selecting already highlighting object by calling object method select
74 *\param Append - true if new selection will be append to existing selection, false - another
75 *\param byCircle - true if needs round selection area in complex object
77 int Select( bool Append = FALSE, bool byCircle = FALSE );
78 /*! A function selecting objects on scene by rectangle
79 *\param theRect - rectangle of selection
80 *\param Append - true if new selection will be append to existing selection, false - another
81 *function search object rectangle which intersect with theRect and call object select method
83 int SelectByRect( const QRect& theRect, bool Append = FALSE );
85 //! A function installing highlight color for all presentation (does not work)
86 void SetHighlightColor( Quantity_NameOfColor aCol );
87 //! A function installing select color for all presentation (does not work)
88 void SetSelectionColor( Quantity_NameOfColor aCol );
89 //! Returns highlight color
90 Quantity_NameOfColor HighlightColor() { return myHighlightColor; }
91 //! Returns select color
92 Quantity_NameOfColor SelectionColor() { return mySelectionColor; }
94 //! Returns number of objects in current selection
96 //! A function set iterator of selected objects on first object
98 //! Retuns true if iterator of selected objects is not set on last object
100 //! Increment of iterator of selected objects
102 //! Returns object corresponding the current iterator of selected objects
103 GLViewer_Object* SelectedObject();
105 //! Returns true if theObject is selected
106 bool isSelected( GLViewer_Object* theObject );
108 //! Insert new object in context
110 *\param theObject - inserting object
111 *\param display - true if needs display object immediatly after inserting, else false
112 *\param isActive - true if needs inserting object in active list
114 int insertObject( GLViewer_Object* theObject, bool display = false, bool isActive = true );
115 //! Replacing objects in context
117 * Function search active and incative objects
119 bool replaceObject( GLViewer_Object* oldObject, GLViewer_Object* newObject );
120 //! A function updating scales of all objects in context
121 void updateScales( GLfloat theX, GLfloat theY );
122 //! A function installing tolerance in window pixels for highlghting and selection methods
123 void setTolerance( int tol ) { myTolerance = tol; }
125 //! Returns list of context objects
127 * \return active objects if isActive = true, else inactive objects
129 const ObjList& getObjects( bool isActive = true )
130 { return isActive ? myActiveObjects : myInactiveObjects; }
132 //! Returns first active object
133 GLViewer_Object* getFirstObject() { return *( myActiveObjects.begin() ); }
135 //! A function clear highlighted object information
136 void clearHighlighted( bool updateViewer );
137 //! A function clear selection object information
138 void clearSelected( bool updateViewer );
139 //! A function make theObject as selected object and update viewer if updateViewer = true
140 void setSelected( GLViewer_Object* theObject, bool updateViewer );
141 //! A function make theObject as unselected object and update viewer if updateViewer = true
142 void remSelected( GLViewer_Object* theObject, bool updateViewer );
144 //! Returns highlighted object
145 GLViewer_Object* getCurrentObject() { return myLastPicked; }
146 //! Returns true if after last MoveTo method calling highlight object is changed
147 bool currentObjectIsChanged() { return myLastPickedChanged; }
149 //! A function installing to theObject invisible status and update viewer if updateViewer = true
150 void eraseObject( GLViewer_Object* theObject, bool updateViewer = true );
151 //! A function remove theObject from context and update viewer if updateViewer = true
152 void deleteObject( GLViewer_Object* theObject, bool updateViewer = true );
154 //! A function installing to theObject active status
155 bool setActive( GLViewer_Object* theObject );
156 //! A function installing to theObject inactive status
157 bool setInactive( GLViewer_Object* theObject );
160 //! Flag of updating viewer after highlight
162 * if = true, the viewer update all objects after change of highlight object,
163 * else - only highlight object
167 GLViewer_Viewer2d* myGLViewer2d;
168 //! Highlighted object
169 GLViewer_Object* myLastPicked;
170 //! = true if after last MoveTo method calling highlight object is changed
171 bool myLastPickedChanged;
173 //! List of active object
174 /*!Active objects if consider in highlight and select methods*/
175 ObjList myActiveObjects;
176 //! List of inactive object
177 /*!Active objects isn't consider in highlight and select methods*/
178 ObjList myInactiveObjects;
180 //! List of selected objects
181 ObjList mySelectedObjects;
182 //! Selected object iterator
185 //! X coordinate of mouse cursor
187 //! Y coordinate of mouse cursor
190 //! Color for highlight
191 Quantity_NameOfColor myHighlightColor;
192 //! Color for selection
193 Quantity_NameOfColor mySelectionColor;
194 //! If = false - moveTo method is not any highlighting
196 //! If = false - select method is not any select
198 //! Tolerance in window pixels for highlghting and selection methods
203 #pragma warning ( default:4251 )