stackedview.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2006-06-13
 * Description : A widget stack to embedded album content view
 *               or the current image preview.
 *
 * Copyright (C) 2006-2022 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_STACKED_VIEW_H
#define DIGIKAM_STACKED_VIEW_H
 
// Qt includes
 
#include <QMainWindow>
#include <QStackedWidget>
 
// Local includes
 
#include "digikam_config.h"
#include "digikam_export.h"
#include "iteminfo.h"
#include "thumbbardock.h"
 
namespace Digikam
{
 
class DigikamItemView;
class ItemCategorizedView;
class ItemPreviewView;
class ItemThumbnailBar;
class TableView;
class TrashView;
 
#ifdef HAVE_MEDIAPLAYER
 
class MediaPlayerView;
 
#endif //HAVE_MEDIAPLAYER
 
#ifdef HAVE_MARBLE
 
class MapWidgetView;
 
#endif // HAVE_MARBLE
 
class StackedView : public QStackedWidget
{
    Q_OBJECT
 
public:
 
    enum StackedViewMode
    {
        StackedViewModeFirst = 0,
        IconViewMode         = 0,
        PreviewImageMode     = 1,
        WelcomePageMode      = 2,
        TableViewMode        = 3,
        TrashViewMode        = 4,
        MapWidgetMode        = 5,
        MediaPlayerMode      = 6,
        StackedViewModeLast  = 6
    };
 
public:
 
    explicit StackedView(QWidget* const parent = nullptr);
    ~StackedView() override;
 
    /* Attach the thumbnail dock widget to the specified QMainWindow. */
    void setDockArea(QMainWindow*);
 
    ThumbBarDock*     thumbBarDock()     const;
    ItemThumbnailBar* thumbBar()         const;
    DigikamItemView*  imageIconView()    const;
    ItemPreviewView*  imagePreviewView() const;
    TableView*        tableView()        const;
    TrashView*        trashView()        const;
 
#ifdef HAVE_MEDIAPLAYER
 
    MediaPlayerView*  mediaPlayerView()  const;
 
#endif //HAVE_MEDIAPLAYER
 
#ifdef HAVE_MARBLE
 
    MapWidgetView*    mapWidgetView()    const;
 
#endif // HAVE_MARBLE
 
    bool isInSingleFileMode()            const;
    bool isInMultipleFileMode()          const;
    bool isInAbstractMode()              const;
 
    void setPreviewItem(const ItemInfo& info = ItemInfo(),
                        const ItemInfo& previous = ItemInfo(),
                        const ItemInfo& next = ItemInfo());
    StackedViewMode viewMode()           const;
    void setViewMode(const StackedViewMode mode);
    void previewLoaded();
 
    void   increaseZoom();
    void   decreaseZoom();
    void   fitToWindow();
    void   toggleFitToWindowOr100();
    void   zoomTo100Percents();
    bool   maxZoom();
    bool   minZoom();
    void   setZoomFactor(double z);
    void   setZoomFactorSnapped(double z);
    double zoomFactor();
    double zoomMin();
    double zoomMax();
 
Q_SIGNALS:
 
    void signalNextItem();
    void signalPrevItem();
    void signalDeleteItem();
    void signalViewModeChanged();
    void signalEscapePreview();
    void signalZoomFactorChanged(double);
    void signalPopupTagsView();
    void signalAddToExistingQueue(int);
 
    void signalGotoAlbumAndItem(const ItemInfo&);
    void signalGotoDateAndItem(const ItemInfo&);
    void signalGotoTagAndItem(int);
 
public Q_SLOTS:
 
    void slotEscapePreview();
 
private Q_SLOTS:
 
    void slotPreviewLoaded(bool);
    void slotZoomFactorChanged(double);
    void slotThumbBarSelectionChanged();
    void slotIconViewSelectionChanged();
 
private:
 
    void readSettings();
    void syncSelection(ItemCategorizedView* const from, ItemCategorizedView* const to);
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_STACKED_VIEW_H