VRS - The Virtual Rendering System

version 3.3

behaviorcallback.h

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 /**********************************************************************
 VRS - The Virtual Rendering System
 Copyright (C) 2001 Computer Graphics Systems Group at the 
 Hasso-Plattner-Institute, Potsdam, Germany.
 This library is free software; you can redistribute it and/or 
 modify it under the terms of the GNU Lesser General Public 
 License as published by the Free Software Foundation; either 
 version 2.1 of the License, or (at your option) any later version.
 This library is distributed in the hope that it will be useful, but 
 WITHOUT ANY WARRANTY; without even the implied warranty of 
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
 See the GNU Lesser General Public License for more details.
 You should have received a copy of the GNU Lesser+ General Public
 License along with this library; if not, write to the FreeSoftware 
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA.
 **********************************************************************/
// $Id: behaviorcallback.h 6746 2010-01-11 11:52:13Z Amir_Semmo $
// $Date: 2010-01-11 12:52:13 +0100 (Mon, 11 Jan 2010) $
// $Revision: 6746 $
// $State$
// $Author: Amir_Semmo $
//
// $Log$
// Revision 1.15  2005/01/03 01:43:10  klimetschek
// - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io
// - removed vrs.vcproj
// minor things:
// - added all glutexamples to vrs4glut.sln
// - fixed some problems in glutexamples
// - removed all project references from all VS projects (using solution wide project dependencies instead)
//
// Revision 1.14  2004/10/28 14:16:00  basch
// Class comment changed (Doxygen style)
//
// Revision 1.13  2004/03/12 16:28:41  baumann
// macros VRS_NAMESPACE_BEGIN/_END expanded and removed
//
// Revision 1.12  2003/11/07 14:19:25  kirsch
// removed leading underscore from include guards
//
// Revision 1.11  2003/02/24 12:24:41  brumme
// Added missing casts
//
// Revision 1.10  2003/02/24 10:05:57  baumann
// changed return type of BehaviorNode::handle() and Manipulator::drag*()
// from "int" to "BehaviorNode::InvalidationHint"
//
// Revision 1.9  2002/10/29 10:32:53  baumann
// macros VRS_CLASSNAME_* and VRS_IMPL_TYPEINFO_* removed
//
// Revision 1.8  2002/05/15 16:05:11  baumann
// unneeded method BehaviorNode::canHandle() removed (from all sub classes too)
//
// Revision 1.7  2002/03/03 21:44:26  kosta
// VRS_TYPEINFO-macro rewritten
//
// Revision 1.6  2002/02/19 10:34:19  kosta
// undone all changes since 2002-02-15
//
// Revision 1.3  2002/01/15 16:25:55  kosta
// macros rewritten for a better namespace support
//
// Revision 1.2  2001/11/13 16:36:31  kirsch
// changed line feed to unix style (removed control-M)
//
// Revision 1.1.1.1  2001/06/08 08:09:21  kirsch
// imported alpha-version by olli 
//


#ifndef VRS_BEHAVIORCALLBACK_H
#define VRS_BEHAVIORCALLBACK_H

#include <vrs/config.h>

#include <vrs/callback.h>
#include <vrs/sg/leafbehavior.h>
#include <vrs/sg/timeevent.h>
#include <vrs/sg/spacemouseevent.h>
#include <vrs/sg/canvasevent.h>

namespace VRS {

class VRS_CORE_API BehaviorCallback : public LeafBehavior {

public:
    BehaviorCallback(
        Callback* activate = 0,
        Callback* deactivate = 0,
        Callback* handleTimeEvent = 0,
        Callback* handleCanvasEvent = 0,
        Callback* handleSpaceMouseEvent = 0
    );
    void setActivateCallback(Callback* action);
    void setDeactivateCallback(Callback* action);
    void setTimeCallback(Callback* action);
    void setCanvasCallback(Callback* action);
    void setSpaceMouseCallback(Callback* action);
    Callback* getActivateCallback() const;
    Callback* getDeactivateCallback() const;
    Callback* getTimeCallback() const;
    Callback* getCanvasCallback() const;
    Callback* getSpaceMouseCallback() const;

    TimeEvent* currentTimeEvent();
    CanvasEvent* currentCanvasEvent();
    SpaceMouseEvent* currentSpaceMouseEvent();
    void nextRedraw(int redrawCode);
    virtual void activate(int hint=BehaviorNode::NoHint);
    virtual void deactivate(int hint=BehaviorNode::NoHint);

    virtual BehaviorNode::InvalidationHint handle(Event* e);
    VRS_TYPEINFO(BehaviorCallback, LeafBehavior);

private:
    SO<Callback> activate_;
    SO<Callback> deactivate_;
    SO<Callback> handleTime_;
    SO<Callback> handleCanvas_;
    SO<Callback> handleSpaceMouse_;
    TimeEvent* timeEvent_;
    CanvasEvent* canvasEvent_;
    SpaceMouseEvent* spaceMouseEvent_;
    BehaviorNode::InvalidationHint redraw_;
};

inline Callback* BehaviorCallback::getActivateCallback() const { return activate_; }
inline Callback* BehaviorCallback::getDeactivateCallback() const { return deactivate_; }
inline Callback* BehaviorCallback::getTimeCallback() const { return handleTime_; }
inline Callback* BehaviorCallback::getCanvasCallback() const { return handleCanvas_; }
inline Callback* BehaviorCallback::getSpaceMouseCallback() const { return handleSpaceMouse_; }

inline TimeEvent* BehaviorCallback::currentTimeEvent() { return timeEvent_; }
inline CanvasEvent* BehaviorCallback::currentCanvasEvent() { return canvasEvent_; }
inline SpaceMouseEvent* BehaviorCallback::currentSpaceMouseEvent() { return spaceMouseEvent_; }
inline void BehaviorCallback::nextRedraw(int flag) { redraw_ = static_cast<BehaviorNode::InvalidationHint>(flag); }

} // namespace VRS

#endif // VRS_BEHAVIORCALLBACK_H

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