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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QComboBox>
#include <QDragEnterEvent>
#include <QLabel>
#include <QMimeData>
#include <QTextBrowser>
#include <QVBoxLayout>
#include <QWidget>
namespace dropevents {
class Window : public QWidget
{
public:
explicit Window(QWidget *parent = nullptr);
protected:
void dragEnterEvent(QDragEnterEvent *event) override;
void dropEvent(QDropEvent *event) override;
private:
QComboBox *mimeTypeCombo = nullptr;
QTextBrowser *textBrowser = nullptr;
QString oldText;
QStringList oldMimeTypes;
};
//! [0]
Window::Window(QWidget *parent)
: QWidget(parent)
{
//! [0]
QLabel *textLabel = new QLabel(tr("Data:"), this);
textBrowser = new QTextBrowser(this);
QLabel *mimeTypeLabel = new QLabel(tr("MIME types:"), this);
mimeTypeCombo = new QComboBox(this);
QVBoxLayout *layout = new QVBoxLayout(this);
layout->addWidget(textLabel);
layout->addWidget(textBrowser);
layout->addWidget(mimeTypeLabel);
layout->addWidget(mimeTypeCombo);
//! [1]
setAcceptDrops(true);
//! [1]
setWindowTitle(tr("Drop Events"));
//! [2]
}
//! [2]
//! [3]
void Window::dragEnterEvent(QDragEnterEvent *event)
{
if (event->mimeData()->hasFormat("text/plain"))
event->acceptProposedAction();
}
//! [3]
//! [4]
void Window::dropEvent(QDropEvent *event)
{
textBrowser->setPlainText(event->mimeData()->text());
mimeTypeCombo->clear();
mimeTypeCombo->addItems(event->mimeData()->formats());
event->acceptProposedAction();
}
//! [4]
} // dropevents
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