src_corelib_kernel_qmimedata.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
void MyWidget::dragEnterEvent(QDragEnterEvent *event)
{
    if (event->mimeData()->hasUrls())
        event->acceptProposedAction();
}
 
void MyWidget::dropEvent(QDropEvent *event)
{
    if (event->mimeData()->hasUrls()) {
        foreach (QUrl url, event->mimeData()->urls()) {
            ...
        }
    }
}
 
 
QByteArray csvData = ...;
 
QMimeData *mimeData = new QMimeData;
mimeData->setData("text/csv", csvData);
 
 
void MyWidget::dropEvent(QDropEvent *event)
{
    const MyMimeData *myData =
            qobject_cast<const MyMimeData *>(event->mimeData());
    if (myData) {
        // access myData's data directly (not through QMimeData's API)
    }
}
 
 
application/x-qt-windows-mime;value="<custom type>"
 
 
application/x-qt-windows-mime;value="FileGroupDescriptor"
application/x-qt-windows-mime;value="FileContents"
 
 
if (event->mimeData()->hasImage()) {
    QImage image = qvariant_cast<QImage>(event->mimeData()->imageData());
    ...
}
 
 
mimeData->setImageData(QImage("beautifulfjord.png"));
 
 
if (event->mimeData()->hasColor()) {
    QColor color = qvariant_cast<QColor>(event->mimeData()->colorData());
    ...
}
 
 
application/x-qt-windows-mime;value="FileContents";index=0
application/x-qt-windows-mime;value="FileContents";index=1