tableview_column_thumbnail.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2013-02-25
 * Description : Table view column helpers: Thumbnail column
 *
 * Copyright (C) 2017-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 * Copyright (C) 2013      by Michael G. Hansen <mike at mghansen dot de>
 *
 * This program 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, or (at your option) any later version.
 *
 * This program 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_TABLE_VIEW_COLUMN_THUMBNAIL_H
#define DIGIKAM_TABLE_VIEW_COLUMN_THUMBNAIL_H
 
// Local includes
 
#include "tableview_columnfactory.h"
 
namespace Digikam
{
 
class LoadingDescription;
 
namespace TableViewColumns
{
 
class ColumnThumbnail : public TableViewColumn
{
    Q_OBJECT
 
private:
 
    explicit ColumnThumbnail(TableViewShared* const tableViewShared,
                             const TableViewColumnConfiguration& pConfiguration,
                             QObject* const parent = nullptr);
    ~ColumnThumbnail() override;
 
public:
 
    ColumnFlags getColumnFlags()                                                                              const override;
    QString getTitle()                                                                                        const override;
    QVariant data(TableViewModel::Item* const item, const int role)                                           const override;
    bool paint(QPainter* const painter, const QStyleOptionViewItem& option, TableViewModel::Item* const item) const override;
    QSize sizeHint(const QStyleOptionViewItem& option, TableViewModel::Item* const item)                      const override;
    void updateThumbnailSize() override;
 
    static bool CreateFromConfiguration(TableViewShared* const tableViewShared,
                                        const TableViewColumnConfiguration& pConfiguration,
                                        TableViewColumn** const pNewColumn,
                                        QObject* const parent = nullptr);
 
    static TableViewColumnDescription getDescription();
 
private Q_SLOTS:
 
    void slotThumbnailLoaded(const LoadingDescription& loadingDescription, const QPixmap& thumb);
 
private:
 
    int m_thumbnailSize;
};
 
} // namespace TableViewColumns
 
} // namespace Digikam
 
#endif // DIGIKAM_TABLE_VIEW_COLUMN_THUMBNAIL_H