1 #ifndef COIN_SOEVENT_H
2 #define COIN_SOEVENT_H
3 
4 /**************************************************************************\
5  * Copyright (c) Kongsberg Oil & Gas Technologies AS
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13  * this list of conditions and the following disclaimer.
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21  * this software without specific prior written permission.
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23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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34 \**************************************************************************/
35 
36 #include <Inventor/SoType.h>
37 #include <Inventor/SbVec2s.h>
38 #include <Inventor/SbVec2f.h>
39 #include <Inventor/SbTime.h>
40 #include <Inventor/events/SoSubEvent.h>
41 
42 class SbViewportRegion;
43 class SbVec2f;
44 
45 class COIN_DLL_API SoEvent {
46   SO_EVENT_ABSTRACT_HEADER();
47 public:
48   static void initClass(void);
49 
50   SoEvent(void);
51   virtual ~SoEvent();
52 
53   SbBool isOfType(SoType type) const;
54 
55   void setTime(const SbTime t);
56   SbTime getTime(void) const;
57 
58   void setPosition(const SbVec2s & p);
59   const SbVec2s & getPosition(void) const;
60   const SbVec2s & getPosition(const SbViewportRegion & vpRgn) const;
61   const SbVec2f & getNormalizedPosition(const SbViewportRegion & vpRgn) const;
62 
63   void setShiftDown(SbBool isDown);
64   SbBool wasShiftDown(void) const;
65   void setCtrlDown(SbBool isDown);
66   SbBool wasCtrlDown(void) const;
67   void setAltDown(SbBool isDown);
68   SbBool wasAltDown(void) const;
69 
70 private:
71   SbTime timeofevent;
72   SbVec2s positionofevent;
73   mutable SbVec2s positionVP;
74   mutable SbVec2f positionVPNorm;
75 
76   static void initEvents(void);
77 
78   struct {
79     unsigned int shiftdown : 1;
80     unsigned int ctrldown  : 1;
81     unsigned int altdown   : 1;
82   } modifiers;
83 };
84 
85 #endif // !COIN_SOEVENT_H
86