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) 1995-96 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 | This file defines the SoLocateHighlight node class. 00048 | 00049 | It has two fields, 00050 | color and style 00051 | 00052 | When the cursor is over the stuff below this node, 00053 | it will be redrawn (to the front buffer) with the color 00054 | emissive and/or diffuse in the state and the override flag ON. 00055 | 00056 | Author(s) : Alain Dumesny, Paul Isaacs 00057 | 00058 ______________ S I L I C O N G R A P H I C S I N C . ____________ 00059 _______________________________________________________________________ 00060 */ 00061 00062 #ifndef _SO_LOCATE_HIGHLIGHT_ 00063 #define _SO_LOCATE_HIGHLIGHT_ 00064 00065 #include <Inventor/system/SbSystem.h> 00066 #include <Inventor/system/SbOpenGL.h> 00067 #include <Inventor/fields/SoSFColor.h> 00068 #include <Inventor/fields/SoSFEnum.h> 00069 #include <Inventor/nodes/SoSeparator.h> 00070 00071 class SoAction; 00072 class SoHandleEventAction; 00073 class SoGLRenderAction; 00074 class SoFullPath; 00075 class SoColorPacker; 00076 00077 00078 00081 00124 00125 00126 class INVENTOR_API SoLocateHighlight : public SoSeparator { 00127 00128 SO_NODE_HEADER(SoLocateHighlight); 00129 00130 public: 00131 00133 enum Styles { 00134 EMISSIVE, 00135 EMISSIVE_DIFFUSE 00136 }; 00137 00139 enum Modes { 00140 AUTO, 00141 ON, 00142 OFF 00143 }; 00144 00146 00147 00149 SoSFColor color; 00150 00152 SoSFEnum style; 00153 00155 SoSFEnum mode; 00156 00158 00160 SoLocateHighlight(); 00161 00162 SoEXTENDER public: 00166 virtual void handleEvent( SoHandleEventAction *action ); 00167 virtual void GLRenderBelowPath(SoGLRenderAction *action); 00168 virtual void GLRenderInPath(SoGLRenderAction *action); 00169 00170 SoINTERNAL public: 00171 static void initClass(); 00172 00178 static void turnOffCurrentHighlight(SoGLRenderAction *action); 00179 00180 protected: 00181 virtual ~SoLocateHighlight(); 00182 00185 virtual void redrawHighlighted(SoAction *act, SbBool flag); 00186 00187 private: 00189 SbBool highlightingPass; 00190 static SoFullPath *currentHighlightPath; 00191 SbBool isHighlighted(SoAction *action); 00192 SbBool preRender(SoGLRenderAction *act, GLint &oldDepthFunc); 00193 SoColorPacker *colorPacker; 00194 }; 00195 00196 00197 #endif /* _SO_LOCATE_HIGHLIGHT_ */