void DataDeviceManager::offerRetainedSelection(wl_resource *clientDataDeviceResource)
{
    if (m_retainedData.formats().isEmpty())
        return;

    m_compositorOwnsSelection = true;
    offerFromCompositorToClient(clientDataDeviceResource);
}
void DataDeviceManager::overrideSelection(const QMimeData &mimeData)
{
    QStringList formats = mimeData.formats();
    if (formats.isEmpty())
        return;

    m_retainedData.clear();
    foreach (const QString &format, formats)
        m_retainedData.setData(format, mimeData.data(format));

    m_compositor->feedRetainedSelectionData(&m_retainedData);

    m_compositorOwnsSelection = true;

    InputDevice *dev = m_compositor->defaultInputDevice();
    Surface *focusSurface = dev->keyboardFocus();
    if (focusSurface)
        offerFromCompositorToClient(
                    dev->dataDevice(focusSurface->base()->resource.client)->dataDeviceResource());
}
void DataDeviceManager::overrideSelection(const QMimeData &mimeData)
{
    QStringList formats = mimeData.formats();
    if (formats.isEmpty())
        return;

    m_retainedData.clear();
    foreach (const QString &format, formats)
        m_retainedData.setData(format, mimeData.data(format));

    QWaylandCompositorPrivate::get(m_compositor)->feedRetainedSelectionData(&m_retainedData);

    m_compositorOwnsSelection = true;

    QWaylandSeat *dev = m_compositor->defaultSeat();
    QWaylandSurface *focusSurface = dev->keyboardFocus();
    if (focusSurface)
        offerFromCompositorToClient(
                    QWaylandSeatPrivate::get(dev)->dataDevice()->resourceMap().value(focusSurface->waylandClient())->handle);
}