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50
51#ifndef PIECESLIST_H
52#define PIECESLIST_H
53
54#include <QAbstractListModel>
55#include <QPixmap>
56#include <QPoint>
57#include <QStringList>
58#include <QVector>
59
60QT_BEGIN_NAMESPACE
61class QMimeData;
62QT_END_NAMESPACE
63
64class PiecesModel : public QAbstractListModel
65{
66 Q_OBJECT
67
68public:
69 explicit PiecesModel(int pieceSize, QObject *parent = nullptr);
70
71 QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
72 Qt::ItemFlags flags(const QModelIndex &index) const override;
73 bool removeRows(int row, int count, const QModelIndex &parent) override;
74
75 bool dropMimeData(const QMimeData *data, Qt::DropAction action,
76 int row, int column, const QModelIndex &parent) override;
77 QMimeData *mimeData(const QModelIndexList &indexes) const override;
78 QStringList mimeTypes() const override;
79 int rowCount(const QModelIndex &parent) const override;
80 Qt::DropActions supportedDropActions() const override;
81
82 void addPiece(const QPixmap &pixmap, const QPoint &location);
83 void addPieces(const QPixmap &pixmap);
84
85private:
86 QVector<QPoint> locations;
87 QVector<QPixmap> pixmaps;
88
89 int m_PieceSize;
90};
91
92#endif // PIECESLIST_H
93

source code of qtbase/examples/widgets/itemviews/puzzle/piecesmodel.h