glc_3dwidgetmanagerhandle.h

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 Version 2.0.0 Beta 1, packaged on April 2010.

 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 GLC-lib 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *****************************************************************************/

#ifndef GLC_3DWIDGETMANAGERHANDLE_H_
#define GLC_3DWIDGETMANAGERHANDLE_H_

#include "../glc_config.h"
#include "../sceneGraph/glc_3dviewcollection.h"
#include "../viewport/glc_viewport.h"

class GLC_3DVIewInstance;
class GLC_3DWidget;

class GLC_LIB_EXPORT GLC_3DWidgetManagerHandle
{



public:
        GLC_3DWidgetManagerHandle(GLC_Viewport* pViewport);

        ~GLC_3DWidgetManagerHandle();



public:
        inline bool isOrphan() const
        {return  0 == m_Count;}

        inline GLC_3DViewInstance* instanceHandle(GLC_uint id)
        {return m_Collection.instanceHandle(id);}

        inline bool hasAnActiveWidget() const
        {return 0 != m_Active3DWidgetId;}

        inline const GLC_Camera* cameraHandle() const
        {return m_pViewport->cameraHandle();}

        inline GLC_BoundingBox boundingBox()
        {return m_Collection.boundingBox();}

        inline bool useOrtho() const
        {return m_pViewport->useOrtho();}

        double viewportTangent() const
        {return m_pViewport->viewTangent();}

        inline GLC_Viewport* viewport() const
        {return m_pViewport;}




public:
        inline void increment()
        {++m_Count;}

        inline void decrement()
        {--m_Count;}

        void add3DWidget(GLC_3DWidget* p3DWidget);


        void remove3DWidget(GLC_uint id);


        GLC_3DWidget* take(GLC_uint id);

        void add3DViewInstance(const GLC_3DViewInstance& instance, GLC_uint widgetId);

        void remove3DViewInstance(GLC_uint id);

        void clear();




public:
        glc::WidgetEventFlag mouseDoubleClickEvent(QMouseEvent * pEvent);

        glc::WidgetEventFlag mouseMoveEvent(QMouseEvent * pEvent);

        glc::WidgetEventFlag mousePressEvent(QMouseEvent * pEvent);

        glc::WidgetEventFlag mouseReleaseEvent(QMouseEvent * pEvent);




public:
        void render();


// Private services function
private:
        QPair<GLC_uint, GLC_Point3d> select(QMouseEvent* event);

// Private Member
private:
        GLC_3DViewCollection m_Collection;

        int m_Count;

        QHash<GLC_uint, GLC_3DWidget*> m_3DWidgetHash;

        QHash<GLC_uint, GLC_uint> m_MapBetweenInstanceWidget;

        GLC_Viewport* m_pViewport;

        GLC_uint m_Active3DWidgetId;

        GLC_uint m_Preselected3DWidgetId;

        GLC_Matrix4x4 m_PreviousViewMatrix;

};

#endif /* GLC_3DWIDGETMANAGERHANDLE_H_ */