cxOptimizedUpdateWidget.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 CXOPTIMIZEDUPDATEWIDGET_H_
#define CXOPTIMIZEDUPDATEWIDGET_H_

#include "cxResourceWidgetsExport.h"

#include <QWidget>

namespace cx
{

class cxResourceWidgets_EXPORT OptimizedUpdateWidget: public QWidget
{
Q_OBJECT
public:
    OptimizedUpdateWidget(QWidget* parent = NULL);
    virtual ~OptimizedUpdateWidget() {}
        void forcePrePaint(); // use to explicitly call the prePaintEvent. Use only for testing!

public slots:
    virtual void setModified();

protected:
    virtual void prePaintEvent() {}
    virtual void paintEvent(QPaintEvent* event);

private:
    void prePaintEventPrivate();

    bool mModified; 
};

} // namespace cx

#endif // CXOPTIMIZEDUPDATEWIDGET_H_