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SoExtSelection.h
1 #ifndef COIN_SOEXTSELECTION_H
2 #define COIN_SOEXTSELECTION_H
3
4 /**************************************************************************\
5 *
6 * This file is part of the Coin 3D visualization library.
7 * Copyright (C) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * ("GPL") version 2 as published by the Free Software Foundation.
12 * See the file LICENSE.GPL at the root directory of this source
13 * distribution for additional information about the GNU GPL.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
25 \**************************************************************************/
26
27 #include <Inventor/nodes/SoSubNode.h>
28 #include <Inventor/nodes/SoSelection.h>
29 #include <Inventor/fields/SoSFEnum.h>
30 #include <stddef.h> // NULL
31
32 #ifndef COIN_INTERNAL
33 #include <Inventor/actions/SoCallbackAction.h>
34 #endif // !COIN_INTERNAL
35
36 class SbColor;
37 class SbVec3f;
38 class SbVec2f;
39 class SbVec2s;
40 class SbViewportRegion;
41 class SoPrimitiveVertex;
42
43 // This shouldn't strictly be necessary, but the OSF1/cxx compiler
44 // complains if this is left out, while using the "friend class
45 // SoExtSelectionP" statement in the class definition.
46 class SoExtSelectionP;
47
48
49 typedef SbBool SoExtSelectionTriangleCB(void * userdata,
50 SoCallbackAction * action,
51 const SoPrimitiveVertex * v1,
52 const SoPrimitiveVertex * v2,
53 const SoPrimitiveVertex * v3);
54
55 typedef SbBool SoExtSelectionLineSegmentCB(void * userdata,
56 SoCallbackAction * action,
57 const SoPrimitiveVertex * v1,
58 const SoPrimitiveVertex * v2);
59
60 typedef SbBool SoExtSelectionPointCB(void * userdata,
61 SoCallbackAction * action,
62 const SoPrimitiveVertex * v1);
63
64 typedef SoPath * SoLassoSelectionFilterCB(void * userdata, const SoPath * path);
65
66
67 class COIN_DLL_API SoExtSelection : public SoSelection {
68 typedef SoSelection inherited;
69
70 SO_NODE_HEADER(SoExtSelection);
71
72 public:
73 static void initClass(void);
74 SoExtSelection(void);
75
76 enum LassoType {
77 NOLASSO, LASSO, RECTANGLE
78 };
79
80 enum LassoPolicy {
81 FULL_BBOX, PART_BBOX, FULL, PART
82 };
83
84 enum LassoMode {
85 ALL_SHAPES,
86 VISIBLE_SHAPES
87 };
88
89 SoSFEnum lassoType;
90 SoSFEnum lassoPolicy;
91 SoSFEnum lassoMode;
92
93 void useOverlay(SbBool overlay = TRUE);
94 SbBool isUsingOverlay(void);
95 SoSeparator * getOverlaySceneGraph(void);
96 void setOverlayLassoColorIndex(const int index);
97 int getOverlayLassoColorIndex(void);
98 void setLassoColor(const SbColor & color);
99 const SbColor & getLassoColor(void);
100 void setLassoWidth(const float width);
101 float getLassoWidth(void);
102 void setOverlayLassoPattern(const unsigned short pattern);
103 unsigned short getOverlayLassoPattern(void);
104 void animateOverlayLasso(const SbBool animate = TRUE);
105 SbBool isOverlayLassoAnimated(void);
106
107 virtual void handleEvent(SoHandleEventAction * action);
108 virtual void GLRenderBelowPath(SoGLRenderAction * action);
109
110 void select(SoNode * root, int numcoords, SbVec2f * lasso,
111 const SbViewportRegion & vp, SbBool shiftpolicy);
112 void select(SoNode * root, int numcoords, SbVec3f * lasso,
113 const SbViewportRegion & vp, SbBool shiftkeypolicy);
114 const SbVec2s * getLassoCoordsDC(int & numCoords);
115 const SbVec3f * getLassoCoordsWC(int & numCoords);
116 const SoPathList & getSelectionPathList() const;
117
118 void setLassoFilterCallback(SoLassoSelectionFilterCB * f, void * userdata = NULL,
119 const SbBool callonlyifselectable = TRUE);
120
121 void setTriangleFilterCallback(SoExtSelectionTriangleCB * func,
122 void * userdata = NULL);
123 void setLineSegmentFilterCallback(SoExtSelectionLineSegmentCB * func,
124 void * userdata = NULL);
125 void setPointFilterCallback(SoExtSelectionPointCB * func,
126 void * userdata = NULL);
127 SbBool wasShiftDown(void) const;
128
129 protected:
130 virtual ~SoExtSelection();
131
132 private:
133 void draw(SoGLRenderAction * action);
134
135 friend class SoExtSelectionP;
136 class SoExtSelectionP * pimpl;
137 };
138
139 #endif // !COIN_SOEXTSELECTION_H

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