OverlayLabelController.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/coregui/Views/InfoWidgets/OverlayLabelController.h
//! @brief     Defines class OverlayLabelController
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#ifndef BORNAGAIN_GUI_COREGUI_VIEWS_INFOWIDGETS_OVERLAYLABELCONTROLLER_H
#define BORNAGAIN_GUI_COREGUI_VIEWS_INFOWIDGETS_OVERLAYLABELCONTROLLER_H
 
#include <QObject>
#include <QString>
 
class OverlayLabelWidget;
class QAbstractScrollArea;
 
//! The OverlayLabelController class controlls appearance of InfoLabelWidget (position, show/hide)
//! on top of some scroll area.
 
class OverlayLabelController : public QObject {
    Q_OBJECT
public:
    OverlayLabelController(QObject* parent = 0);
 
    void setText(const QString& text);
 
    void setArea(QAbstractScrollArea* area);
 
    void setShown(bool shown);
 
protected:
    bool eventFilter(QObject* obj, QEvent* event);
 
private:
    void updateLabelGeometry();
 
    OverlayLabelWidget* m_label;
    QAbstractScrollArea* m_area;
    QString m_text;
};
 
#endif // BORNAGAIN_GUI_COREGUI_VIEWS_INFOWIDGETS_OVERLAYLABELCONTROLLER_H