ItemViewOverlayButtons.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/View/Common/ItemViewOverlayButtons.h
//! @brief     Defines class ItemViewOverlayButtons
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2021
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#ifndef BORNAGAIN_GUI_VIEW_COMMON_ITEMVIEWOVERLAYBUTTONS_H
#define BORNAGAIN_GUI_VIEW_COMMON_ITEMVIEWOVERLAYBUTTONS_H
 
#include <QObject>
#include <functional>
 
class QAction;
class QAbstractItemView;
 
class ItemViewOverlayButtons : public QObject {
    Q_OBJECT
public:
    using FnGetActions = std::function<QList<QAction*>(const QModelIndex&, bool)>;
 
    static void install(QAbstractItemView* view, FnGetActions fnGetActions);
 
protected:
    bool eventFilter(QObject* obj, QEvent* event) override;
 
private:
    ItemViewOverlayButtons(QObject* parent);
    void updateRecursive(const QModelIndex& index);
    void update();
    void installOverlay(const QModelIndex& index);
 
    FnGetActions m_getActions;
    QAbstractItemView* m_view;
};
 
 
#endif // BORNAGAIN_GUI_VIEW_COMMON_ITEMVIEWOVERLAYBUTTONS_H