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# SoEvent.h

    00001 #ifndef COIN_SOEVENT_H
    00002 #define COIN_SOEVENT_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    00008  *
    00009  *  This library is free software; you can redistribute it and/or
    00010  *  modify it under the terms of the GNU General Public License
    00011  *  ("GPL") version 2 as published by the Free Software Foundation.
    00012  *  See the file LICENSE.GPL at the root directory of this source
    00013  *  distribution for additional information about the GNU GPL.
    00014  *
    00015  *  For using Coin with software that can not be combined with the GNU
    00016  *  GPL, and for taking advantage of the additional benefits of our
    00017  *  support services, please contact Systems in Motion about acquiring
    00018  *  a Coin Professional Edition License.
    00019  *
    00020  *  See <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <Inventor/SoType.h>
    00028 #include <Inventor/SbVec2s.h>
    00029 #include <Inventor/SbTime.h>
    00030
    00031 class SbViewportRegion;
    00032 class SbVec2f;
    00033
    00034 class COIN_DLL_API SoEvent {
    00035
    00036 public:
    00037   SoEvent(void);
    00038   virtual ~SoEvent();
    00039
    00040   SbBool isOfType(SoType type) const;
    00041   static SoType getClassTypeId(void);
    00042   virtual SoType getTypeId(void) const;
    00043
    00044   void setTime(const SbTime t);
    00045   SbTime getTime(void) const;
    00046
    00047   void setPosition(const SbVec2s & p);
    00048   const SbVec2s & getPosition(void) const;
    00049   const SbVec2s getPosition(const SbViewportRegion & vpRgn) const;
    00050   const SbVec2f getNormalizedPosition(const SbViewportRegion & vpRgn) const;
    00051
    00052   void setShiftDown(SbBool isDown);
    00053   SbBool wasShiftDown(void) const;
    00054   void setCtrlDown(SbBool isDown);
    00055   SbBool wasCtrlDown(void) const;
    00056   void setAltDown(SbBool isDown);
    00057   SbBool wasAltDown(void) const;
    00058
    00059   static void initClass(void);
    00060
    00061 private:
    00062   static SoType classTypeId;
    00063
    00064   SbTime timeofevent;
    00065   SbVec2s positionofevent;
    00066
    00067   static void initEvents(void);
    00068
    00069   struct {
    00070     unsigned int shiftdown : 1;
    00071     unsigned int ctrldown  : 1;
    00072     unsigned int altdown   : 1;
    00073   } modifiers;
    00074 };
    00075
    00076 #endif // !COIN_SOEVENT_H