piecesmodel.h Example File

  /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** BSD License Usage
  ** Alternatively, you may use this file under the terms of the BSD license
  ** as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  #ifndef PIECESLIST_H
  #define PIECESLIST_H

  #include <QAbstractListModel>
  #include <QList>
  #include <QPixmap>
  #include <QPoint>
  #include <QStringList>

  class QMimeData;

  class PiecesModel : public QAbstractListModel
  {
      Q_OBJECT

  public:
      explicit PiecesModel(int pieceSize, QObject *parent = 0);

      QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
      Qt::ItemFlags flags(const QModelIndex &index) const Q_DECL_OVERRIDE;
      bool removeRows(int row, int count, const QModelIndex &parent) Q_DECL_OVERRIDE;

      bool dropMimeData(const QMimeData *data, Qt::DropAction action,
                        int row, int column, const QModelIndex &parent) Q_DECL_OVERRIDE;
      QMimeData *mimeData(const QModelIndexList &indexes) const Q_DECL_OVERRIDE;
      QStringList mimeTypes() const Q_DECL_OVERRIDE;
      int rowCount(const QModelIndex &parent) const Q_DECL_OVERRIDE;
      Qt::DropActions supportedDropActions() const Q_DECL_OVERRIDE;

      void addPiece(const QPixmap &pixmap, const QPoint &location);
      void addPieces(const QPixmap& pixmap);

  private:
      QList<QPoint> locations;
      QList<QPixmap> pixmaps;

      int m_PieceSize;
  };

  #endif // PIECESLIST_H