File indexing completed on 2024-06-23 05:07:19

 /*
     SPDX-FileCopyrightText: 2009 Stephen Kelly <steveire@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #pragma once
 
 #include "collection.h"
 #include <QAbstractItemView>
 
 namespace Akonadi
 {
 class DragDropManager
 {
 public:
     explicit DragDropManager(QAbstractItemView *view);
 
     /**
      * @returns True if the drop described in @p event is allowed.
      */
     bool dropAllowed(QDragMoveEvent *event) const;
 
     /**
      * Process an attempted drop event.
      *
      * Attempts to show a popup menu with possible actions for @p event.
      *
      * @returns True if the event should be further processed, and false otherwise.
      */
     bool processDropEvent(QDropEvent *event, bool &menuCanceled, bool dropOnItem = true);
 
     /**
      * Starts a drag if possible and sets the appropriate supported actions to allow moves.
      *
      * Also sets the pixmap for the drag to something appropriately small, overriding the Qt
      * behaviour of creating a painting of all selected rows when dragging.
      */
     void startDrag(Qt::DropActions supportedActions);
 
     /**
      * Sets whether to @p show the drop action menu on drop operation.
      */
     void setShowDropActionMenu(bool show);
 
     /**
      * Returns whether the drop action menu is shown on drop operation.
      */
     [[nodiscard]] bool showDropActionMenu() const;
 
     [[nodiscard]] bool isManualSortingActive() const;
 
     /**
      * Set true if we automatic sorting
      */
     void setManualSortingActive(bool active);
 
 private:
     Collection currentDropTarget(QDropEvent *event) const;
 
     bool hasAncestor(const QModelIndex &index, Collection::Id parentId) const;
     bool mShowDropActionMenu = true;
     bool mIsManualSortingActive = false;
     QAbstractItemView *const m_view;
 };
 
 }