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 "GLViewer_Selector2d.h"
14 #include "GLViewer_Viewer2d.h"
15 #include "GLViewer_Context.h"
16 #include "GLViewer_ViewPort2d.h"
18 GLViewer_Selector2d::GLViewer_Selector2d( GLViewer_Viewer2d* v2d, GLViewer_Context* glc ) :
19 GLViewer_Selector( v2d ),
22 // myGLContext->SetHighlightColor( Quantity_NOC_CYAN1 );
23 // myGLContext->SetSelectionColor( Quantity_NOC_RED );
26 GLViewer_Selector2d::~GLViewer_Selector2d()
30 void GLViewer_Selector2d::setHilightColor( Quantity_NameOfColor color )
32 myGLContext->SetHighlightColor( color );
35 void GLViewer_Selector2d::setSelectColor( Quantity_NameOfColor color )
37 myGLContext->SetSelectionColor( color );
40 void GLViewer_Selector2d::detect( int x, int y )
42 //cout << "GLViewer_Selector2d : detect ( " << x << " , " << y << " )" << endl;
43 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
44 myViewer->getSelectionMode() == GLViewer_Viewer::NoSelection )
47 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
48 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
51 myGLContext->MoveTo( x, y );
54 void GLViewer_Selector2d::select( bool append )
56 //cout << "GLViewer_Selector2d : select ( " << (int)append << " )" << endl;
57 GLViewer_Viewer::SelectionMode selMode = myViewer->getSelectionMode();
58 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
59 selMode == GLViewer_Viewer::NoSelection )
62 int selBefore = numSelected();
63 if ( selBefore && append && selMode != GLViewer_Viewer::Multiple )
66 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
67 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
69 int status = myGLContext->Select( append );
70 checkSelection( selBefore, append, status );
73 void GLViewer_Selector2d::select( const QRect& selRect, bool append )
75 GLViewer_Viewer::SelectionMode selMode = myViewer->getSelectionMode();
76 if ( myLocked || !myGLContext || !myViewer || !myViewer->getActiveView() ||
77 selMode == GLViewer_Viewer::NoSelection )
80 int selBefore = numSelected();
81 if ( selBefore && append && selMode != GLViewer_Viewer::Multiple )
84 GLViewer_ViewPort* vp = myViewer->getActiveView()->getViewPort();
85 if( !vp->inherits( "GLViewer_ViewPort2d" ) )
87 int aStatus = myGLContext->SelectByRect( selRect, append );
88 checkSelection( selBefore, append, aStatus );
91 void GLViewer_Selector2d::unselectAll()
93 if ( myLocked || !myViewer )
96 // bool updateViewer = true;
97 bool hadSelection = ( numSelected() > 0 );
99 // bool lcOpen = ( myAISContext->IndexOfCurrentLocal() != -1 );
100 // lcOpen ? myAISContext->ClearSelected( updateViewer ) :
101 // myAISContext->ClearCurrent( updateViewer );
102 if ( hadSelection ) emit selSelectionCancel();
105 /* Checks selection state and emits 'selSelectionDone' or 'selSelectionCancel'
106 Should be called by after non-interactive selection. */
107 void GLViewer_Selector2d::checkSelection( int selBefore, bool append, int aStatus )
109 int selAfter = numSelected();
110 if ( selBefore > 0 && selAfter < 1 )
111 emit selSelectionCancel();
112 else if ( selAfter > 0 )
116 case SS_LocalChanged:
117 emit selSelectionDone( selAfter > 1, SCS_Local );
119 case SS_GlobalChanged:
120 emit selSelectionDone( selAfter > 1, SCS_Global );
126 int GLViewer_Selector2d::numSelected() const
128 return myGLContext->NbSelected();