File indexing completed on 2024-05-19 04:56:07

 /**
  * \file proxyitemselectionmodel.h
  * Item selection model to share selection with proxy model.
  *
  * This is a stripped down version of KLinkItemSelectionModel from kitemmodels.
  * Copyright (C) 2010 Klarälvdalens Datakonsult AB,
  *     a KDAB Group company, info@kdab.net,
  *     author Stephen Kelly <stephen@kdab.com>
  * Copyright (c) 2016 Ableton AG <info@ableton.com>
  *     Author Stephen Kelly <stephen.kelly@ableton.com>
  * Copyright (C) 2018-2024  Urs Fleisch
  *
  * This library is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Library General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or (at your
  * option) any later version.
 
  * This library 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 Library General Public
  * License for more details.
 
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to the
  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301, USA.
  */
 
 #pragma once
 
 #include <QItemSelectionModel>
 #include "kid3api.h"
 
 /**
  * Item selection model to share selection with proxy model.
  */
 class KID3_CORE_EXPORT ProxyItemSelectionModel : public QItemSelectionModel {
   Q_OBJECT
 public:
   /**
    * Constructor.
    * @param proxyModel proxy model
    * @param sourceSelectionModel item selection model for source model
    * @param parent parent object
    */
   ProxyItemSelectionModel(QAbstractItemModel* proxyModel,
                           QItemSelectionModel* sourceSelectionModel,
                           QObject* parent = nullptr);
 
   ~ProxyItemSelectionModel() override = default;
 
   /**
    * Select item at @a index using @a command.
    * @param index index of item to select
    * @param command selection command
    */
   void select(const QModelIndex& index,
               QItemSelectionModel::SelectionFlags command) override;
 
   /**
    * Select @a selection using @a command.
    * @param selection item selection
    * @param command selection command
    */
   void select(const QItemSelection& selection,
               QItemSelectionModel::SelectionFlags command) override;
 
 private slots:
   void onSelectionChanged(const QItemSelection& selected,
                           const QItemSelection& deselected);
   void onProxyCurrentChanged(const QModelIndex& current);
   void onCurrentChanged(const QModelIndex& current);
   void onModelChanged();
 
 private:
   QItemSelection mapSelectionFromProxy(const QItemSelection& selection) const;
   QItemSelection mapSelectionFromModel(const QItemSelection& selection) const;
 
   QItemSelectionModel* m_proxySelectionModel;
   bool m_ignoreCurrentChanged;
 };