1 // Copyright (C) 2005 OPEN CASCADE
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
19 // Author : OPEN CASCADE
22 // File: GLViewer_Selector2d.cxx
23 // Created: November, 2004
25 /****************************************************************************
26 ** Class: GLViewer_Selector2d
27 ** Descr: OpenGL Selector 2D
29 ** Created: UI team, 20.09.02
30 *****************************************************************************/
32 //#include <GLViewerAfx.h>
33 #include "GLViewer_Selector2d.h"
34 #include "GLViewer_Viewer2d.h"
35 #include "GLViewer_Context.h"
36 #include "GLViewer_ViewPort2d.h"
38 GLViewer_Selector2d::GLViewer_Selector2d( GLViewer_Viewer2d* v2d, GLViewer_Context* glc ) :
39 GLViewer_Selector( v2d ),
42 // myGLContext->SetHighlightColor( Quantity_NOC_CYAN1 );
43 // myGLContext->SetSelectionColor( Quantity_NOC_RED );
46 GLViewer_Selector2d::~GLViewer_Selector2d()
50 void GLViewer_Selector2d::setHilightColor( Quantity_NameOfColor color )
52 myGLContext->SetHighlightColor( color );
55 void GLViewer_Selector2d::setSelectColor( Quantity_NameOfColor color )
57 myGLContext->SetSelectionColor( color );
60 void GLViewer_Selector2d::detect( int x, int y )
62 //cout << "GLViewer_Selector2d : detect ( " << x << " , " << y << " )" << endl;
63 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
64 myViewer->getSelectionMode() == GLViewer_Viewer::NoSelection )
67 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
68 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
71 myGLContext->MoveTo( x, y );
74 void GLViewer_Selector2d::undetectAll()
76 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
77 myViewer->getSelectionMode() == GLViewer_Viewer::NoSelection )
80 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
81 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
84 myGLContext->clearHighlighted( true );
87 void GLViewer_Selector2d::select( bool append )
89 //cout << "GLViewer_Selector2d : select ( " << (int)append << " )" << endl;
90 GLViewer_Viewer::SelectionMode selMode = myViewer->getSelectionMode();
91 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
92 selMode == GLViewer_Viewer::NoSelection )
95 int selBefore = numSelected();
96 if ( selBefore && append && selMode != GLViewer_Viewer::Multiple )
99 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
100 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
103 int status = myGLContext->Select( append );
104 checkSelection( selBefore, append, status );
107 void GLViewer_Selector2d::select( const QRect& selRect, bool append )
109 GLViewer_Viewer::SelectionMode selMode = myViewer->getSelectionMode();
110 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
111 selMode == GLViewer_Viewer::NoSelection )
114 int selBefore = numSelected();
115 if ( selBefore && append && selMode != GLViewer_Viewer::Multiple )
118 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
119 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
122 int aStatus = myGLContext->SelectByRect( selRect, append );
123 checkSelection( selBefore, append, aStatus );
126 void GLViewer_Selector2d::unselectAll()
128 if ( myLocked || !myViewer )
131 // bool updateViewer = true;
132 bool hadSelection = ( numSelected() > 0 );
134 // bool lcOpen = ( myAISContext->IndexOfCurrentLocal() != -1 );
135 // lcOpen ? myAISContext->ClearSelected( updateViewer ) :
136 // myAISContext->ClearCurrent( updateViewer );
137 if ( hadSelection ) emit selSelectionCancel();
140 /* Checks selection state and emits 'selSelectionDone' or 'selSelectionCancel'
141 Should be called by after non-interactive selection. */
142 void GLViewer_Selector2d::checkSelection( int selBefore, bool append, int aStatus )
144 int selAfter = numSelected();
145 if ( selBefore > 0 && selAfter < 1 )
146 emit selSelectionCancel();
147 else if ( selAfter > 0 )
151 case SS_LocalChanged:
152 emit selSelectionDone( selAfter > 1, SCS_Local );
154 case SS_GlobalChanged:
155 emit selSelectionDone( selAfter > 1, SCS_Global );
161 int GLViewer_Selector2d::numSelected() const
163 return myGLContext->NbSelected();