summaryrefslogtreecommitdiffstats
path: root/examples/widgets/draganddrop/puzzle/pieceslist.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'examples/widgets/draganddrop/puzzle/pieceslist.cpp')
-rw-r--r--examples/widgets/draganddrop/puzzle/pieceslist.cpp134
1 files changed, 0 insertions, 134 deletions
diff --git a/examples/widgets/draganddrop/puzzle/pieceslist.cpp b/examples/widgets/draganddrop/puzzle/pieceslist.cpp
deleted file mode 100644
index 7846d37ed2..0000000000
--- a/examples/widgets/draganddrop/puzzle/pieceslist.cpp
+++ /dev/null
@@ -1,134 +0,0 @@
-/****************************************************************************
-**
-** 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "pieceslist.h"
-
-#include <QDrag>
-#include <QDragEnterEvent>
-#include <QMimeData>
-
-PiecesList::PiecesList(int pieceSize, QWidget *parent)
- : QListWidget(parent), m_PieceSize(pieceSize)
-{
- setDragEnabled(true);
- setViewMode(QListView::IconMode);
- setIconSize(QSize(m_PieceSize, m_PieceSize));
- setSpacing(10);
- setAcceptDrops(true);
- setDropIndicatorShown(true);
-}
-
-void PiecesList::dragEnterEvent(QDragEnterEvent *event)
-{
- if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType()))
- event->accept();
- else
- event->ignore();
-}
-
-void PiecesList::dragMoveEvent(QDragMoveEvent *event)
-{
- if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType())) {
- event->setDropAction(Qt::MoveAction);
- event->accept();
- } else {
- event->ignore();
- }
-}
-
-void PiecesList::dropEvent(QDropEvent *event)
-{
- if (event->mimeData()->hasFormat(PiecesList::puzzleMimeType())) {
- QByteArray pieceData = event->mimeData()->data(PiecesList::puzzleMimeType());
- QDataStream dataStream(&pieceData, QIODevice::ReadOnly);
- QPixmap pixmap;
- QPoint location;
- dataStream >> pixmap >> location;
-
- addPiece(pixmap, location);
-
- event->setDropAction(Qt::MoveAction);
- event->accept();
- } else {
- event->ignore();
- }
-}
-
-void PiecesList::addPiece(const QPixmap &pixmap, const QPoint &location)
-{
- QListWidgetItem *pieceItem = new QListWidgetItem(this);
- pieceItem->setIcon(QIcon(pixmap));
- pieceItem->setData(Qt::UserRole, QVariant(pixmap));
- pieceItem->setData(Qt::UserRole+1, location);
- pieceItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled);
-}
-
-void PiecesList::startDrag(Qt::DropActions /*supportedActions*/)
-{
- QListWidgetItem *item = currentItem();
-
- QByteArray itemData;
- QDataStream dataStream(&itemData, QIODevice::WriteOnly);
- QPixmap pixmap = qvariant_cast<QPixmap>(item->data(Qt::UserRole));
- QPoint location = item->data(Qt::UserRole+1).toPoint();
-
- dataStream << pixmap << location;
-
- QMimeData *mimeData = new QMimeData;
- mimeData->setData(PiecesList::puzzleMimeType(), itemData);
-
- QDrag *drag = new QDrag(this);
- drag->setMimeData(mimeData);
- drag->setHotSpot(QPoint(pixmap.width()/2, pixmap.height()/2));
- drag->setPixmap(pixmap);
-
- if (drag->exec(Qt::MoveAction) == Qt::MoveAction)
- delete takeItem(row(item));
-}