File indexing completed on 2025-01-05 03:59:45

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2010-02-13
  * Description : a list of selectable options with preview
  *               effects as thumbnails.
  *
  * SPDX-FileCopyrightText: 2010-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_PREVIEW_LIST_H
 #define DIGIKAM_PREVIEW_LIST_H
 
 // Qt includes
 
 #include <QObject>
 #include <QPixmap>
 #include <QListWidget>
 #include <QListWidgetItem>
 
 // Local includes
 
 #include "digikam_export.h"
 
 namespace Digikam
 {
 
 class DImgThreadedFilter;
 
 class DIGIKAM_EXPORT PreviewThreadWrapper : public QObject
 {
     Q_OBJECT
 
 public:
 
     explicit PreviewThreadWrapper(QObject* const parent = nullptr);
     ~PreviewThreadWrapper() override;
 
     void registerFilter(int id, DImgThreadedFilter* const filter);
 
     void startFilters();
     void stopFilters();
 
 Q_SIGNALS:
 
     void signalFilterStarted(int);
     void signalFilterFinished(int, const QPixmap&);
 
 private Q_SLOTS:
 
     void slotFilterStarted();
     void slotFilterFinished(bool success);
     void slotFilterProgress(int progress);
 
 private:
 
     class Private;
     Private* const d;
 };
 
 // -------------------------------------------------------------------
 
 class DIGIKAM_EXPORT PreviewListItem : public QListWidgetItem
 {
 
 public:
 
     explicit PreviewListItem(QListWidget* const parent = nullptr);
     ~PreviewListItem()    override;
 
     void setPixmap(const QPixmap& pix);
 
     void setId(int id);
     int  id()       const;
 
     void setBusy(bool b);
     bool isBusy()   const;
 
 private:
 
     class Private;
     Private* const d;
 
 private:
 
     Q_DISABLE_COPY(PreviewListItem)
 };
 
 // -------------------------------------------------------------------
 
 class DIGIKAM_EXPORT PreviewList : public QListWidget
 {
     Q_OBJECT
 
 public:
 
     explicit PreviewList(QWidget* const parent = nullptr);
     ~PreviewList()                            override;
 
     PreviewListItem* addItem(DImgThreadedFilter* const filter, const QString& txt, int id);
 
     void setCurrentId(int id);
     int  currentId()                    const;
 
     void startFilters();
     void stopFilters();
 
 private Q_SLOTS:
 
     void slotProgressTimerDone();
     void slotFilterStarted(int);
     void slotFilterFinished(int, const QPixmap&);
 
 private:
 
     PreviewListItem* findItem(int id)   const;
 
 private:
 
     class Private;
     Private* const d;
 };
 
 } // namespace Digikam
 
 #endif // DIGIKAM_PREVIEW_LIST_H