Open Inventor Reference
|
00001 /* 00002 * 00003 * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved. 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Lesser General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2.1 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Lesser General Public License for more details. 00014 * 00015 * Further, this software is distributed without any warranty that it is 00016 * free of the rightful claim of any third person regarding infringement 00017 * or the like. Any license provided herein, whether implied or 00018 * otherwise, applies only to this software file. Patent licenses, if 00019 * any, provided herein do not apply to combinations of this program with 00020 * other software, or any other product whatsoever. 00021 * 00022 * You should have received a copy of the GNU Lesser General Public 00023 * License along with this library; if not, write to the Free Software 00024 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00025 * 00026 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 00027 * Mountain View, CA 94043, or: 00028 * 00029 * http://www.sgi.com 00030 * 00031 * For further information regarding this notice, see: 00032 * 00033 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 00034 * 00035 */ 00036 00037 00038 /* 00039 * Copyright (C) 1991 Silicon Graphics, Inc. 00040 * 00041 _______________________________________________________________________ 00042 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00043 | 00044 | $Revision: 1.1.1.1 $ 00045 | 00046 | Description: 00047 | Callback list - a list of callback functions and associated data, 00048 | with member functions to add, remove, and invoke callbacks. 00049 | 00050 | Classes: SoCallbackList 00051 | 00052 | Author(s): David Mott 00053 | 00054 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00055 _______________________________________________________________________ 00056 */ 00057 00058 #ifndef _SO_CALLBACK_LIST_ 00059 #define _SO_CALLBACK_LIST_ 00060 00061 #include <Inventor/SbPList.h> 00062 00063 00066 typedef void INVENTOR_API SoCallbackListCB(void *userData, void *callbackData); 00067 00070 00080 00081 00082 class INVENTOR_API SoCallbackList { 00083 00084 public: 00085 00087 SoCallbackList(); 00089 ~SoCallbackList(); 00090 00096 00099 void addCallback(SoCallbackListCB *f, void *userData = NULL); 00102 void removeCallback(SoCallbackListCB *f, void *userData = NULL); 00103 00105 void clearCallbacks() { list.truncate(0); } 00107 int getNumCallbacks() const { return list.getLength(); } 00108 00112 void invokeCallbacks(void *callbackData); 00113 00114 private: 00115 00117 SbPList list; 00118 }; 00119 00120 #endif /* _SO_CALLBACK_LIST_ */