IvfFlyHandler.h

//
// Copyright 1999-2006 by Structural Mechanics, Lund University.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "ivf@byggmek.lth.se".
//
//
// Written by Jonas Lindemann
//

#ifndef _CIvfFlyHandler_h_
#define _CIvfFlyHandler_h_

#include <ivf/IvfBase.h>
#include <ivf/IvfCamera.h>

#include <ivfwidget/IvfWidgetBase.h>
#include <ivfwidget/IvfHandlerBase.h>

IvfSmartPointer(CIvfFlyHandler);

class IVFWIDGET_API CIvfFlyHandler : public CIvfHandlerBase,
        CIvfKeyboardEvent,
        CIvfMouseUpEvent,
        CIvfMouseMoveEvent,
        CIvfMouseDownEvent
{
private:
        void doRedraw();
        int m_mouseDownPos[2];
        int     m_mouseDelta[2];
        double m_mouseSensitivity;
        double m_speed;
        double m_maxSpeed;
        double m_speedStep;
        double m_t;
        double m_dt;
        double m_verticalSpeed;
        double m_horisontalSpeed;

        bool m_firstFrame;
        bool m_doRedraw;

        CIvfCameraPtr m_camera;
        CIvfWidgetBase* m_widget;
public:
        CIvfFlyHandler(CIvfWidgetBase* widget, CIvfCamera* camera);
        virtual ~CIvfFlyHandler();

        IvfClassInfo("CIvfFlyHandler",CIvfHandlerBase);

        void update();

        void setMouseSensitivity(double value);

        double getMouseSensitivity();

        void setSpeedStep(double step);

        double getSpeedStep();

        void setMaxSpeed(double speed);

        double getMaxSpeed();

        void setRedraw(bool flag);

        virtual void onKeyboard(int key, int x, int y);
        virtual void onMouseUp(int x, int y);
        virtual void onMouseDown(int x, int y);
        virtual void onMouseMove(int x, int y);

        void doKeyboard(int key, int x, int y);
        void doMouseUp(int x, int y);
        void doMouseMove(int x, int y);
        void doMouseDown(int x, int y);
protected:
        virtual void doDeactivate();
        virtual void doActivate();
};
#endif

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