assignnameoverlay.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2010-10-14
 * Description : overlay for assigning names to faces
 *
 * Copyright (C) 2010      by Aditya Bhatt <caulier dot gilles at gmail dot com>
 * Copyright (C) 2009-2010 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 * Copyright (C) 2009-2022 by Gilles Caulier <caulier dot gilles 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_ASSIGN_NAME_OVERLAY_H
#define DIGIKAM_ASSIGN_NAME_OVERLAY_H
 
// Qt includes
 
#include <QAbstractItemView>
 
// Local includes
 
#include "itemdelegateoverlay.h"
#include "itemviewdelegate.h"
 
namespace Digikam
{
 
class AssignNameWidget;
class FaceTagsIface;
class ItemInfo;
class TaggingAction;
 
class AssignNameOverlay : public PersistentWidgetDelegateOverlay
{
    Q_OBJECT
    REQUIRE_DELEGATE(ItemViewDelegate)
 
public:
 
    explicit AssignNameOverlay(QObject* const parent);
    ~AssignNameOverlay()                                              override;
 
    AssignNameWidget* assignNameWidget() const;
 
Q_SIGNALS:
 
    void confirmFaces(const QList<QModelIndex>& indexes, int tagId);
    void unknownFaces(const QList<QModelIndex>& indexes);
    void removeFaces(const QList<QModelIndex>& indexes);
    void ignoreFaces(const QList<QModelIndex>& indexes);
 
protected Q_SLOTS:
 
    void slotAssigned(const TaggingAction& action, const ItemInfo&, const QVariant& faceIdentifier);
    void slotRejected(const ItemInfo&, const QVariant& faceIdentifier);
    void slotIgnored(const ItemInfo&, const QVariant& faceIdentifier);
    void slotUnknown(const ItemInfo&, const QVariant& faceIdentifier);
 
protected:
 
    QWidget* createWidget()                                           override;
    void     setActive(bool)                                          override;
    void     visualChange()                                           override;
    void     showOnIndex(const QModelIndex& index)                    override;
    void     hide()                                                   override;
    bool     checkIndex(const QModelIndex& index)               const override;
    void     viewportLeaveEvent(QObject* obj, QEvent* event)          override;
    void     widgetEnterEvent()                                       override;
    void     widgetLeaveEvent()                                       override;
    void     setFocusOnWidget()                                       override;
    bool     eventFilter(QObject* o, QEvent* e)                       override;
 
    void updatePosition();
    void updateFace();
 
private:
 
    // Disable
    AssignNameOverlay() = delete;
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_ASSIGN_NAME_OVERLAY_H