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57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef PUZZLEWIDGET_H
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#define PUZZLEWIDGET_H
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#include <QPoint>
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#include <QPixmap>
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#include <QList>
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#include <QWidget>
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QT_BEGIN_NAMESPACE
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class QDragEnterEvent;
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class QDropEvent;
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class QMouseEvent;
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QT_END_NAMESPACE
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class PuzzleWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit PuzzleWidget(int imageSize, QWidget *parent = nullptr);
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void clear();
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int pieceSize() const;
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int imageSize() const;
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signals:
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void puzzleCompleted();
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protected:
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void dragEnterEvent(QDragEnterEvent *event) override;
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void dragLeaveEvent(QDragLeaveEvent *event) override;
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void dragMoveEvent(QDragMoveEvent *event) override;
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void dropEvent(QDropEvent *event) override;
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void mousePressEvent(QMouseEvent *event) override;
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void paintEvent(QPaintEvent *event) override;
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private:
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struct Piece {
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QPixmap pixmap;
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QRect rect;
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QPoint location;
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};
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int findPiece(const QRect &pieceRect) const;
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const QRect targetSquare(const QPoint &position) const;
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QList<Piece> pieces;
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QRect highlightedRect;
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int inPlace;
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int m_ImageSize;
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};
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#endif // PUZZLEWIDGET_H
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