static void
data_device_handle_enter(void *data, struct wl_data_device *wl_data_device,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t x, wl_fixed_t y, struct wl_data_offer *id)
{
SDL_WaylandDataDevice *data_device = data;
SDL_bool has_mime = SDL_FALSE;
uint32_t dnd_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
data_device->drag_serial = serial;
if (id != NULL) {
data_device->drag_offer = wl_data_offer_get_user_data(id);
/* TODO: SDL Support more mime types */
has_mime = Wayland_data_offer_has_mime(
data_device->drag_offer, FILE_MIME);
/* If drag_mime is NULL this will decline the offer */
wl_data_offer_accept(id, serial,
(has_mime == SDL_TRUE) ? FILE_MIME : NULL);
/* SDL only supports "copy" style drag and drop */
if (has_mime == SDL_TRUE) {
dnd_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
}
wl_data_offer_set_actions(data_device->drag_offer->offer,
dnd_action, dnd_action);
}
}
void QWaylandDataDevice::data_device_enter(uint32_t serial, wl_surface *surface, wl_fixed_t x, wl_fixed_t y, wl_data_offer *id)
{
m_enterSerial = serial;
m_dragWindow = QWaylandWindow::fromWlSurface(surface)->window();
m_dragPoint = QPoint(wl_fixed_to_int(x), wl_fixed_to_int(y));
QDrag *drag = static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->currentDrag();
QMimeData *dragData;
Qt::DropActions supportedActions;
if (drag) {
dragData = drag->mimeData();
supportedActions = drag->supportedActions();
} else {
m_dragOffer.reset(static_cast<QWaylandDataOffer *>(wl_data_offer_get_user_data(id)));
if (m_dragOffer) {
dragData = m_dragOffer->mimeData();
supportedActions = Qt::CopyAction | Qt::MoveAction | Qt::LinkAction;
}
}
const QPlatformDragQtResponse &response = QWindowSystemInterface::handleDrag(m_dragWindow, dragData, m_dragPoint, supportedActions);
if (drag) {
static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->setResponse(response);
} else {
if (response.isAccepted()) {
wl_data_offer_accept(m_dragOffer->object(), m_enterSerial, m_dragOffer->firstFormat().toUtf8().constData());
} else {
wl_data_offer_accept(m_dragOffer->object(), m_enterSerial, 0);
}
}
}
void QWaylandDataDevice::data_device_selection(wl_data_offer *id)
{
if (id)
m_selectionOffer.reset(static_cast<QWaylandDataOffer *>(wl_data_offer_get_user_data(id)));
else
m_selectionOffer.reset();
QGuiApplicationPrivate::platformIntegration()->clipboard()->emitChanged(QClipboard::Clipboard);
}
static void
data_device_handle_selection(void *data, struct wl_data_device *wl_data_device,
struct wl_data_offer *id)
{
SDL_WaylandDataDevice *data_device = data;
SDL_WaylandDataOffer *offer = NULL;
if (id != NULL) {
offer = wl_data_offer_get_user_data(id);
}
if (data_device->selection_offer != offer) {
Wayland_data_offer_destroy(data_device->selection_offer);
data_device->selection_offer = offer;
}
SDL_SendClipboardUpdate();
}
