IvfCoordinateInputHandler.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 _CIvfCoordinateInputHandler_h_
#define _CIvfCoordinateInputHandler_h_

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

#include <ivf/IvfScene.h>

#include <ivfmath/IvfUcs3d.h>

class IVFWIDGET_API CIvfMouseDown3dEvent : public CIvfEventBase 
{
public:
        virtual void onMouseDown3d(double x, double y, double z) {};
};

class IVFWIDGET_API CIvfMouseMove3dEvent : public CIvfEventBase 
{
public:
        virtual void onMouseMove3d(double x, double y, double z) {};
};

class IVFWIDGET_API CIvfMouseUp3dEvent : public CIvfEventBase 
{
public:
        virtual void onMouseUp3d(double x, double y, double z) {};
};

IvfSmartPointer(CIvfCoordinateInputHandler);

class IVFWIDGET_API CIvfCoordinateInputHandler : public CIvfHandlerBase,
        CIvfMouseMoveEvent,
        CIvfMouseDownEvent,
        CIvfMouseUpEvent 
{
private:
        CIvfWidgetBase*         m_widget;
        CIvfCameraPtr           m_camera;
        CIvfUcs3dPtr            m_ucsXZ;
        CIvfUcs3dPtr            m_ucsXY;
        CIvfUcs3dPtr            m_ucsYZ;
        CIvfVec3d                       m_intersection;
        CIvfVec3d                       m_xzIntersection;
        CIvfVec3d                       m_temp;

        bool                            m_lockXZ;
        bool                            m_snap;

        int                                     m_mousePos[2];

        std::vector<CIvfMouseDown3dEvent*> m_mouseDown3dEvents;
        std::vector<CIvfMouseMove3dEvent*> m_mouseMove3dEvents;
        std::vector<CIvfMouseUp3dEvent*> m_mouseUp3dEvents;

        CIvfVec3d& calcIntersection(int x, int y);
        void dispatchMouseDown3dEvent(double x, double y, double z);
        void dispatchMouseMove3dEvent(double x, double y, double z);
        void dispatchMouseUp3dEvent(double x, double y, double z);

        void doMouseUp(int x, int y);
        void doMouseMove(int x, int y);
        void doMouseDown(int x, int y);
        virtual void doLockXZ(bool flag);
public:
        CIvfCoordinateInputHandler(CIvfWidgetBase* widget, CIvfCamera* camera);

        virtual ~CIvfCoordinateInputHandler();

        IvfClassInfo("CIvfCoordinateInputHandler",CIvfHandlerBase);

        void setLockXZNoEvent(bool flag);

        void setPlanePosition(double x, double y, double z);

        void setPlanePosition(CIvfVec3d& vec);

        void addMouseDown3dEvent(CIvfMouseDown3dEvent* event);

        void addMouseMove3dEvent(CIvfMouseMove3dEvent* event);

        void addMouseUp3dEvent(CIvfMouseUp3dEvent* event);

        void removeMouseDown3dEvent(CIvfMouseDown3dEvent* event);

        void removeMouseMove3dEvent(CIvfMouseMove3dEvent* event);

        void removeMouseUp3dEvent(CIvfMouseUp3dEvent* event);

        void setLockXZ(bool flag);

        bool getLockXZ();

        CIvfCamera* getCamera();

        CIvfWidgetBase* getWidget();

        virtual void onMouseDown(int x, int y);
        virtual void onMouseMove(int x, int y);
        virtual void onMouseUp(int x, int y);
};
#endif

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