File indexing completed on 2025-01-19 03:50:50

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2013-03-02
  * Description : Table view: Tree view subelement
  *
  * SPDX-FileCopyrightText: 2017-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  * SPDX-FileCopyrightText: 2013      by Michael G. Hansen <mike at mghansen dot de>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_TABLE_VIEW_TREEVIEW_H
 #define DIGIKAM_TABLE_VIEW_TREEVIEW_H
 
 // Qt includes
 
 #include <QTreeView>
 #include <QWidget>
 
 // Local includes
 
 #include "digikam_export.h"
 #include "dragdropimplementations.h"
 #include "itemalbummodel.h"
 #include "itemfiltermodel.h"
 #include "statesavingobject.h"
 #include "tableview_columnfactory.h"
 #include "tableview_shared.h"
 #include "thumbnailloadthread.h"
 #include "groupingviewimplementation.h"
 
 class QMenu;
 class QContextMenuEvent;
 
 namespace Digikam
 {
 
 /**
  * @todo For proper drag-and-drop support, we probably have to implement more
  *        of DragDropModelImplementation's functions in the TableViewModel or
  *        in the sort model. Subclassing DragDropModelImplementation would not
  *        work there, because we want to re-use ItemDragDropHandler.
  */
 class TableViewTreeView : public QTreeView,
                           public DragDropViewImplementation,
                           public GroupingViewImplementation
 {
     Q_OBJECT
 
 public:
 
     explicit TableViewTreeView(TableViewShared* const tableViewShared, QWidget* const parent = nullptr);
     ~TableViewTreeView()                                               override;
 
     Album* albumAt(const QPoint& pos) const;
 
 protected:
 
     bool eventFilter(QObject* watched, QEvent* event)                  override;
 
     DECLARE_VIEW_DRAG_DROP_METHODS(QTreeView)
 
     AbstractItemDragDropHandler* dragDropHandler()               const override;
     QModelIndex mapIndexForDragDrop(const QModelIndex& index)    const override;
     QPixmap     pixmapForDrag(const QList<QModelIndex>& indexes) const override;
     void wheelEvent(QWheelEvent* event)                                override;
 
     bool hasHiddenGroupedImages(const ItemInfo& info)            const override;
 
 private:
 
     void addColumnDescriptionsToMenu(const QList<TableViewColumnDescription>& columnDescriptions, QMenu* const menu);
     void showHeaderContextMenu(QEvent* const event);
 
 private Q_SLOTS:
 
     void slotHeaderContextMenuAddColumn();
     void slotHeaderContextMenuConfigureColumn();
     void slotHeaderContextMenuActionRemoveColumnTriggered();
     void slotModelGroupingModeChanged();
 
 Q_SIGNALS:
 
     void signalZoomInStep();
     void signalZoomOutStep();
 
 private:
 
     class Private;
 
     const QScopedPointer<Private> d;
     TableViewShared* const        s;
 };
 
 } // namespace Digikam
 
 #endif // DIGIKAM_TABLE_VIEW_TREEVIEW_H