itempreviewview.h

Go to the documentation of this file.

/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2006-21-12
 * Description : a embedded view to show item preview widget.
 *
 * Copyright (C) 2006-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 * Copyright (C) 2009-2012 by Andi Clemens <andi dot clemens at gmail dot com>
 * Copyright (C) 2010-2011 by Aditya Bhatt <adityabhatt1991 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_ITEM_PREVIEW_VIEW_H
#define DIGIKAM_ITEM_PREVIEW_VIEW_H
 
// Local includes
 
#include "graphicsdimgview.h"
#include "iteminfo.h"
 
class QPixmap;
class QDragMoveEvent;
class QDropEvent;
class QDragEnterEvent;
 
namespace Digikam
{
 
class Album;
class LoadingDescription;
 
class ItemPreviewView : public GraphicsDImgView
{
    Q_OBJECT
 
public:
 
    enum Mode
    {
        IconViewPreview,
        LightTablePreview
    };
 
public:
 
    explicit ItemPreviewView(QWidget* const parent,
                             Mode mode=IconViewPreview,
                             Album* const currAlbum = nullptr);
    ~ItemPreviewView() override;
 
    void setItemInfo(const ItemInfo& info     = ItemInfo(),
                     const ItemInfo& previous = ItemInfo(),
                     const ItemInfo& next     = ItemInfo());
 
    ItemInfo getItemInfo() const;
 
    void reload();
    void setImagePath(const QString& path=QString());
    void setPreviousNextPaths(const QString& previous, const QString& next);
 
Q_SIGNALS:
 
    void signalNextItem();
    void signalPrevItem();
    void signalDeleteItem();
    void signalPreviewLoaded(bool success);
    void signalEscapePreview();
    void signalAddToExistingQueue(int);
    void signalSlideShowCurrent();
 
    void signalGotoAlbumAndItem(const ItemInfo&);
    void signalGotoDateAndItem(const ItemInfo&);
    void signalGotoTagAndItem(int);
    void signalPopupTagsView();
 
protected:
 
    bool acceptsMouseClick(QMouseEvent* e)  override;
    void mousePressEvent(QMouseEvent* e)    override;
    void leaveEvent(QEvent* e)              override;
    void showEvent(QShowEvent* e)           override;
    void dropEvent(QDropEvent* e)           override;
    void dragMoveEvent(QDragMoveEvent* e)   override;
    void dragEnterEvent(QDragEnterEvent* e) override;
 
#if (QT_VERSION > QT_VERSION_CHECK(5, 99, 0))
    void enterEvent(QEnterEvent*)           override;
#else
    void enterEvent(QEvent*)                override;
#endif
 
 
private Q_SLOTS:
 
    void imageLoaded();
    void imageLoadingFailed();
 
    void slotAssignTag(int tagID);
    void slotRemoveTag(int tagID);
    void slotAssignRating(int rating);
    void slotAssignPickLabel(int pickId);
    void slotAssignColorLabel(int colorId);
 
    void slotThemeChanged();
    void slotSetupChanged();
 
    void slotRotateLeft();
    void slotRotateRight();
    void slotDeleteItem();
 
    void slotUpdateFaces();
 
    void slotShowContextMenu(QGraphicsSceneContextMenuEvent* event);
 
    void slotSlideShowCurrent();
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_ITEM_PREVIEW_VIEW_H