1 // File: GLViewer_Selector2d.cxx
2 // Created: November, 2004
4 // Copyright (C) CEA 2004
6 /****************************************************************************
7 ** Class: GLViewer_Selector2d
8 ** Descr: OpenGL Selector 2D
10 ** Created: UI team, 20.09.02
11 *****************************************************************************/
13 //#include <GLViewerAfx.h>
14 #include "GLViewer_Selector2d.h"
15 #include "GLViewer_Viewer2d.h"
16 #include "GLViewer_Context.h"
17 #include "GLViewer_ViewPort2d.h"
19 GLViewer_Selector2d::GLViewer_Selector2d( GLViewer_Viewer2d* v2d, GLViewer_Context* glc ) :
20 GLViewer_Selector( v2d ),
23 // myGLContext->SetHighlightColor( Quantity_NOC_CYAN1 );
24 // myGLContext->SetSelectionColor( Quantity_NOC_RED );
27 GLViewer_Selector2d::~GLViewer_Selector2d()
31 void GLViewer_Selector2d::setHilightColor( Quantity_NameOfColor color )
33 myGLContext->SetHighlightColor( color );
36 void GLViewer_Selector2d::setSelectColor( Quantity_NameOfColor color )
38 myGLContext->SetSelectionColor( color );
41 void GLViewer_Selector2d::detect( int x, int y )
43 //cout << "GLViewer_Selector2d : detect ( " << x << " , " << y << " )" << endl;
44 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
45 myViewer->getSelectionMode() == GLViewer_Viewer::NoSelection )
48 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
49 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
52 myGLContext->MoveTo( x, y );
55 void GLViewer_Selector2d::undetectAll()
57 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
58 myViewer->getSelectionMode() == GLViewer_Viewer::NoSelection )
61 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
62 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
65 myGLContext->clearHighlighted();
68 void GLViewer_Selector2d::select( bool append )
70 //cout << "GLViewer_Selector2d : select ( " << (int)append << " )" << endl;
71 GLViewer_Viewer::SelectionMode selMode = myViewer->getSelectionMode();
72 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
73 selMode == GLViewer_Viewer::NoSelection )
76 int selBefore = numSelected();
77 if ( selBefore && append && selMode != GLViewer_Viewer::Multiple )
80 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
81 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
84 int status = myGLContext->Select( append );
85 checkSelection( selBefore, append, status );
88 void GLViewer_Selector2d::select( const QRect& selRect, bool append )
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 aStatus = myGLContext->SelectByRect( selRect, append );
104 checkSelection( selBefore, append, aStatus );
107 void GLViewer_Selector2d::unselectAll()
109 if ( myLocked || !myViewer )
112 // bool updateViewer = true;
113 bool hadSelection = ( numSelected() > 0 );
115 // bool lcOpen = ( myAISContext->IndexOfCurrentLocal() != -1 );
116 // lcOpen ? myAISContext->ClearSelected( updateViewer ) :
117 // myAISContext->ClearCurrent( updateViewer );
118 if ( hadSelection ) emit selSelectionCancel();
121 /* Checks selection state and emits 'selSelectionDone' or 'selSelectionCancel'
122 Should be called by after non-interactive selection. */
123 void GLViewer_Selector2d::checkSelection( int selBefore, bool append, int aStatus )
125 int selAfter = numSelected();
126 if ( selBefore > 0 && selAfter < 1 )
127 emit selSelectionCancel();
128 else if ( selAfter > 0 )
132 case SS_LocalChanged:
133 emit selSelectionDone( selAfter > 1, SCS_Local );
135 case SS_GlobalChanged:
136 emit selSelectionDone( selAfter > 1, SCS_Global );
142 int GLViewer_Selector2d::numSelected() const
144 return myGLContext->NbSelected();