versionsdelegate.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2010-07-15
 * Description : Item delegate for image versions list view
 *
 * Copyright (C) 2010-2011 by Martin Klapetek <martin dot klapetek at gmail dot com>
 *
 * 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_VERSIONS_DELEGATE_H
#define DIGIKAM_VERSIONS_DELEGATE_H
 
// Qt includes
 
#include <QStyledItemDelegate>
 
// Local includes
 
#include "digikam_export.h"
#include "itemdelegateoverlay.h"
 
namespace Digikam
{
 
class VersionsDelegate : public QStyledItemDelegate,
                         public ItemDelegateOverlayContainer
{
    Q_OBJECT
    Q_PROPERTY(int animationState READ animationState
                                  WRITE setAnimationState
                                  NOTIFY animationStateChanged)
 
public:
 
    explicit VersionsDelegate(QObject* const parent);
    ~VersionsDelegate()                                                                               override;
 
    QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index)                const override;
    void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
 
    void beginPainting();
    void finishPainting();
 
    int animationState()                                                                        const;
    void setAnimationState(int animationState);
 
    void setThumbnailSize(int size)                                                             const;
    int  thumbnailSize()                                                                        const;
 
Q_SIGNALS:
 
    void animationStateChanged();
    void visualChange(); // for ItemDelegateOverlayContainer
 
    void requestNotification(const QModelIndex& index, const QString& message);
    void hideNotification();
 
protected Q_SLOTS:
 
    void overlayDestroyed(QObject* o)                                                                 override
    {
        ItemDelegateOverlayContainer::overlayDestroyed(o);
    }
 
protected:
 
    void initStyleOption(QStyleOptionViewItem* option, const QModelIndex& index)                const override;
 
    QAbstractItemDelegate* asDelegate() override
    {
        return this;
    }
 
private:
 
    VersionsDelegate(); // Disable default constructor.
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_VERSIONS_DELEGATE_H