1 /* Copyright (C) 1992-1998 The Geometry Center
2  * Copyright (C) 1998-2000 Stuart Levy, Tamara Munzner, Mark Phillips
3  *
4  * This file is part of Geomview.
5  *
6  * Geomview is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU Lesser General Public License as published
8  * by the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * Geomview is distributed in the hope that it will be useful, but
12  * 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.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with Geomview; see the file COPYING.  If not, write
18  * to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139,
19  * USA, or visit http://www.gnu.org.
20  */
21 #ifndef  _QV_SWITCH_
22 #define  _QV_SWITCH_
23 
24 #include <QvSFLong.h>
25 #include <QvGroup.h>
26 
27 #define QV_SWITCH_NONE		(-1)	/* Don't traverse any children	*/
28 #define QV_SWITCH_ALL		(-3)	/* Traverse all children	*/
29 
30 class QvSwitch : public QvGroup {
31 
32     QV_NODE_HEADER(QvSwitch);
33 
34   public:
35     // Fields
36     QvSFLong		whichChild;	// Child to traverse
37 };
38 
39 #endif /* _QV_SWITCH_ */
40