1 // Copyright (C) 2007-2014 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>
44 class GLViewer_Viewer2d;
47 #pragma warning( disable:4251 )
50 /*! \class GLViewer_Context
51 * Class for manage of presentations in GLViewer
53 class GLVIEWER_API GLViewer_Context
57 GLViewer_Context( GLViewer_Viewer2d* );
61 //! A function installing update flag in highlighting technology
62 void setUpdateAll( bool on ) { myUpdateAll = on; }
63 //! Returns update flag in highlighting technology
64 bool isUpdateAll() const { return myUpdateAll; }
66 //! Main interactive method. Trace mouse in viewer window
68 *\param x - X coord of mouse cursor
69 *\param y - Y coord of mouse cursor
70 *\paran byCircle - true if needs round sensitive area around mouse cursor, else rectangle
71 *function search object rectangle which intersect with sensitive area and call object highlight method
73 int MoveTo( int x, int y, bool byCircle = FALSE );
74 /*! A function selecting already highlighting object by calling object method select
75 *\param Append - true if new selection will be append to existing selection, false - another
76 *\param byCircle - true if needs round selection area in complex object
78 int Select( bool Append = FALSE, bool byCircle = FALSE );
79 /*! A function selecting objects on scene by rectangle
80 *\param theRect - rectangle of selection
81 *\param Append - true if new selection will be append to existing selection, false - another
82 *function search object rectangle which intersect with theRect and call object select method
84 int SelectByRect( const QRect& theRect, bool Append = FALSE );
86 //! A function installing highlight color for all presentation (does not work)
87 void SetHighlightColor( Quantity_NameOfColor aCol );
88 //! A function installing select color for all presentation (does not work)
89 void SetSelectionColor( Quantity_NameOfColor aCol );
90 //! Returns highlight color
91 Quantity_NameOfColor HighlightColor() { return myHighlightColor; }
92 //! Returns select color
93 Quantity_NameOfColor SelectionColor() { return mySelectionColor; }
95 //! Returns number of objects in current selection
97 //! A function set iterator of selected objects on first object
99 //! Retuns true if iterator of selected objects is not set on last object
101 //! Increment of iterator of selected objects
103 //! Returns object corresponding the current iterator of selected objects
104 GLViewer_Object* SelectedObject();
106 //! Returns true if theObject is selected
107 bool isSelected( GLViewer_Object* theObject );
109 //! Insert new object in context
111 *\param theObject - inserting object
112 *\param display - true if needs display object immediatly after inserting, else false
113 *\param isActive - true if needs inserting object in active list
115 int insertObject( GLViewer_Object* theObject, bool display = false, bool isActive = true );
116 //! Replacing objects in context
118 * Function search active and incative objects
120 bool replaceObject( GLViewer_Object* oldObject, GLViewer_Object* newObject );
121 //! A function updating scales of all objects in context
122 void updateScales( GLfloat theX, GLfloat theY );
123 //! A function installing tolerance in window pixels for highlghting and selection methods
124 void setTolerance( int tol ) { myTolerance = tol; }
126 //! Returns list of context objects
128 * \return active objects if isActive = true, else inactive objects
130 const ObjList& getObjects( bool isActive = true )
131 { return isActive ? myActiveObjects : myInactiveObjects; }
133 //! Returns first active object
134 GLViewer_Object* getFirstObject() { return *( myActiveObjects.begin() ); }
136 //! A function clear highlighted object information
137 void clearHighlighted( bool updateViewer );
138 //! A function clear selection object information
139 void clearSelected( bool updateViewer );
140 //! A function make theObject as selected object and update viewer if updateViewer = true
141 void setSelected( GLViewer_Object* theObject, bool updateViewer );
142 //! A function make theObject as unselected object and update viewer if updateViewer = true
143 void remSelected( GLViewer_Object* theObject, bool updateViewer );
145 //! Returns highlighted object
146 GLViewer_Object* getCurrentObject() { return myLastPicked; }
147 //! Returns true if after last MoveTo method calling highlight object is changed
148 bool currentObjectIsChanged() { return myLastPickedChanged; }
150 //! A function installing to theObject invisible status and update viewer if updateViewer = true
151 void eraseObject( GLViewer_Object* theObject, bool updateViewer = true );
152 //! A function remove theObject from context and update viewer if updateViewer = true
153 void deleteObject( GLViewer_Object* theObject, bool updateViewer = true );
155 //! A function installing to theObject active status
156 bool setActive( GLViewer_Object* theObject );
157 //! A function installing to theObject inactive status
158 bool setInactive( GLViewer_Object* theObject );
161 //! Flag of updating viewer after highlight
163 * if = true, the viewer update all objects after change of highlight object,
164 * else - only highlight object
168 GLViewer_Viewer2d* myGLViewer2d;
169 //! Highlighted object
170 GLViewer_Object* myLastPicked;
171 //! = true if after last MoveTo method calling highlight object is changed
172 bool myLastPickedChanged;
174 //! List of active object
175 /*!Active objects if consider in highlight and select methods*/
176 ObjList myActiveObjects;
177 //! List of inactive object
178 /*!Active objects isn't consider in highlight and select methods*/
179 ObjList myInactiveObjects;
181 //! List of selected objects
182 ObjList mySelectedObjects;
183 //! Selected object iterator
186 //! X coordinate of mouse cursor
188 //! Y coordinate of mouse cursor
191 //! Color for highlight
192 Quantity_NameOfColor myHighlightColor;
193 //! Color for selection
194 Quantity_NameOfColor mySelectionColor;
195 //! If = false - moveTo method is not any highlighting
197 //! If = false - select method is not any select
199 //! Tolerance in window pixels for highlghting and selection methods
204 #pragma warning ( default:4251 )