1 files changed, 0 insertions, 167 deletions
diff --git a/examples/widgets/draganddrop/puzzle/puzzlewidget.cpp b/examples/widgets/draganddrop/puzzle/puzzlewidget.cpp
deleted file mode 100644
index 7c3f12f7d8..0000000000
--- a/examples/widgets/draganddrop/puzzle/puzzlewidget.cpp
+++ /dev/null
@@ -1,167 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include "puzzlewidget.h"
-#include "pieceslist.h"
-
-#include <QDrag>
-#include <QDragEnterEvent>
-#include <QMimeData>
-#include <QPainter>
-
-PuzzleWidget::PuzzleWidget(int imageSize, QWidget *parent)
-    : QWidget(parent), m_ImageSize(imageSize)
-{
-    setAcceptDrops(true);
-    setMinimumSize(m_ImageSize, m_ImageSize);
-    setMaximumSize(m_ImageSize, m_ImageSize);
-}
-
-void PuzzleWidget::clear()
-{
-    pieces.clear();
-    highlightedRect = QRect();
-    inPlace = 0;
-    update();
-}
-
-void PuzzleWidget::dragEnterEvent(QDragEnterEvent *event)
-{
-    if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType()))
-        event->accept();
-    else
-        event->ignore();
-}
-
-void PuzzleWidget::dragLeaveEvent(QDragLeaveEvent *event)
-{
-    QRect updateRect = highlightedRect;
-    highlightedRect = QRect();
-    update(updateRect);
-    event->accept();
-}
-
-void PuzzleWidget::dragMoveEvent(QDragMoveEvent *event)
-{
-    QRect updateRect = highlightedRect.united(targetSquare(event->position().toPoint()));
-
-    if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType())
-        && findPiece(targetSquare(event->position().toPoint())) == -1) {
-
-        highlightedRect = targetSquare(event->position().toPoint());
-        event->setDropAction(Qt::MoveAction);
-        event->accept();
-    } else {
-        highlightedRect = QRect();
-        event->ignore();
-    }
-
-    update(updateRect);
-}
-
-void PuzzleWidget::dropEvent(QDropEvent *event)
-{
-    if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType())
-        && findPiece(targetSquare(event->position().toPoint())) == -1) {
-
-        QByteArray pieceData = event->mimeData()->data(PiecesList::puzzleMimeType());
-        QDataStream dataStream(&pieceData, QIODevice::ReadOnly);
-        Piece piece;
-        piece.rect = targetSquare(event->position().toPoint());
-        dataStream >> piece.pixmap >> piece.location;
-
-        pieces.append(piece);
-
-        highlightedRect = QRect();
-        update(piece.rect);
-
-        event->setDropAction(Qt::MoveAction);
-        event->accept();
-
-        if (piece.location == piece.rect.topLeft() / pieceSize()) {
-            inPlace++;
-            if (inPlace == 25)
-                emit puzzleCompleted();
-        }
-    } else {
-        highlightedRect = QRect();
-        event->ignore();
-    }
-}
-
-int PuzzleWidget::findPiece(const QRect &pieceRect) const
-{
-    for (int i = 0, size = pieces.size(); i < size; ++i) {
-        if (pieces.at(i).rect == pieceRect)
-            return i;
-    }
-    return -1;
-}
-
-void PuzzleWidget::mousePressEvent(QMouseEvent *event)
-{
-    QRect square = targetSquare(event->position().toPoint());
-    const int found = findPiece(square);
-
-    if (found == -1)
-        return;
-
-    Piece piece = pieces.takeAt(found);
-
-    if (piece.location == square.topLeft() / pieceSize())
-        inPlace--;
-
-    update(square);
-
-    QByteArray itemData;
-    QDataStream dataStream(&itemData, QIODevice::WriteOnly);
-
-    dataStream << piece.pixmap << piece.location;
-
-    QMimeData *mimeData = new QMimeData;
-    mimeData->setData(PiecesList::puzzleMimeType(), itemData);
-
-    QDrag *drag = new QDrag(this);
-    drag->setMimeData(mimeData);
-    drag->setHotSpot(event->position().toPoint() - square.topLeft());
-    drag->setPixmap(piece.pixmap);
-
-    if (drag->exec(Qt::MoveAction) != Qt::MoveAction) {
-        pieces.insert(found, piece);
-        update(targetSquare(event->position().toPoint()));
-
-        if (piece.location == square.topLeft() / pieceSize())
-            inPlace++;
-    }
-}
-
-void PuzzleWidget::paintEvent(QPaintEvent *event)
-{
-    QPainter painter(this);
-    painter.fillRect(event->rect(), Qt::white);
-
-    if (highlightedRect.isValid()) {
-        painter.setBrush(QColor("#ffcccc"));
-        painter.setPen(Qt::NoPen);
-        painter.drawRect(highlightedRect.adjusted(0, 0, -1, -1));
-    }
-
-    for (const Piece &piece : pieces)
-        painter.drawPixmap(piece.rect, piece.pixmap);
-}
-
-const QRect PuzzleWidget::targetSquare(const QPoint &position) const
-{
-    QPoint topLeft = QPoint(position.x() / pieceSize(), position.y() / pieceSize()) * pieceSize();
-    return QRect(topLeft, QSize(pieceSize(), pieceSize()));
-}
-
-int PuzzleWidget::pieceSize() const
-{
-    return m_ImageSize / 5;
-}
-
-int PuzzleWidget::imageSize() const
-{
-    return m_ImageSize;
-}