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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of Qt for Python.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-/*
-finalwidget.cpp
-
-A widget to display an image and a label containing a description.
-*/
-
-#include <QtWidgets>
-#include "finalwidget.h"
-
-FinalWidget::FinalWidget(QWidget *parent, const QString &name,
- const QSize &labelSize)
- : QFrame(parent)
-{
- hasImage = false;
- imageLabel = new QLabel;
- imageLabel->setFrameShadow(QFrame::Sunken);
- imageLabel->setFrameShape(QFrame::StyledPanel);
- imageLabel->setMinimumSize(labelSize);
- nameLabel = new QLabel(name);
-
- QVBoxLayout *layout = new QVBoxLayout;
- layout->addWidget(imageLabel, 1);
- layout->addWidget(nameLabel, 0);
- setLayout(layout);
-}
-
-/*!
- If the mouse moves far enough when the left mouse button is held down,
- start a drag and drop operation.
-*/
-
-void FinalWidget::mouseMoveEvent(QMouseEvent *event)
-{
- if (!(event->buttons() & Qt::LeftButton))
- return;
- if ((event->pos() - dragStartPosition).manhattanLength()
- < QApplication::startDragDistance())
- return;
- if (!hasImage)
- return;
-
- QDrag *drag = new QDrag(this);
- QMimeData *mimeData = new QMimeData;
-
-//! [0]
- output = QByteArray()
- outputBuffer = QBuffer(output)
- outputBuffer.open(QIODevice.WriteOnly)
- imageLabel.pixmap().toImage().save(outputBuffer, "PNG")
- mimeData.setData("image/png", output)
-//! [0]
-/*
-//! [1]
- mimeData.setImageData(QVariant(imageLabel.pixmap()))
-//! [1]
-*/
- drag.setMimeData(mimeData)
- drag.setPixmap(imageLabel.pixmap().scaled(64, 64, Qt.KeepAspectRatio))
-//! [2]
- drag.setHotSpot(QPoint(drag.pixmap().width()/2,
- drag.pixmap().height()))
-//! [2]
-
- drag->start();
-}
-
-/*!
- Check for left mouse button presses in order to enable drag and drop.
-*/
-
-void FinalWidget::mousePressEvent(QMouseEvent *event)
-{
- if (event->button() == Qt::LeftButton)
- dragStartPosition = event->pos();
-}
-
-const QPixmap* FinalWidget::pixmap() const
-{
- return imageLabel->pixmap();
-}
-
-void FinalWidget::setPixmap(const QPixmap &pixmap)
-{
- imageLabel->setPixmap(pixmap);
- hasImage = true;
-}