cxViewContainer.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/

#ifndef CXVIEWCONTAINER_H_
#define CXVIEWCONTAINER_H_

#include "cxResourceVisualizationExport.h"

#include "cxConfig.h"
#include <boost/shared_ptr.hpp>
#include "vtkForwardDeclarations.h"
#include "QVTKWidget.h"
#include "cxLayoutData.h"
#include "cxViewService.h"

class QGridLayout;

namespace cx
{
class ViewItem;
typedef boost::shared_ptr<class MultiViewCache> MultiViewCachePtr;

class cxResourceVisualization_EXPORT ViewContainer : public QVTKWidget
{
        Q_OBJECT
        typedef QVTKWidget inherited_widget;

public:
        ViewContainer(RenderWindowFactoryPtr factory, QWidget *parent = NULL, Qt::WindowFlags f = 0);
        virtual ~ViewContainer();

        ViewItem *addView(QString uid, LayoutRegion region, QString name = "");
        virtual void clear();
        void renderAll(); 

        virtual void setOffScreenRenderingAndClear(bool on);
        virtual bool getOffScreenRendering() const;

        vtkRenderWindowPtr getRenderWindow() { return mRenderWindow; }
        virtual void setModified();

        virtual QGridLayout *getGridLayout();

private:
        virtual void paintEvent(QPaintEvent *event);
        virtual void showEvent(QShowEvent* event);
        virtual void wheelEvent(QWheelEvent*);
        virtual void mouseMoveEvent(QMouseEvent *event);
        virtual void mousePressEvent(QMouseEvent *event);
        virtual void mouseReleaseEvent(QMouseEvent *event);
        virtual void focusInEvent(QFocusEvent* event);
private slots:
        void customContextMenuRequestedSlot(const QPoint& point);

protected:
        ViewItem *mMouseEventTarget;
        vtkRenderWindowPtr mRenderWindow;
        unsigned long mMTimeHash; 
        virtual void doRender();
        ViewItem* getViewItem(int index);

private:
        virtual void resizeEvent( QResizeEvent *event);
        void initializeRenderWindow();
        void addBackgroundRenderer(vtkRenderWindowPtr rw);
        QPoint convertToItemSpace(const QPoint &pos, ViewItem* item) const;
        ViewItem* findViewItem(const QPoint &pos);

//      std::map<QString, vtkRenderWindowPtr> mCachedRenderWindows; // swap between off/onscreen rw's, but dont delete them.
        bool mOffScreenRendering;
        RenderWindowFactoryPtr mRenderWindowFactory;
};
typedef boost::shared_ptr<ViewContainer> ViewContainerPtr;


} /* namespace cx */

#endif /* CXVIEWCONTAINER_H_ */