void QWindowsOleDropTarget::handleDrag(QWindow *window, DWORD grfKeyState,
const QPoint &point, LPDWORD pdwEffect)
{
Q_ASSERT(window);
m_lastPoint = point;
m_lastKeyState = grfKeyState;
QWindowsDrag *windowsDrag = QWindowsDrag::instance();
const Qt::DropActions actions = translateToQDragDropActions(*pdwEffect);
QGuiApplicationPrivate::modifier_buttons = toQtKeyboardModifiers(grfKeyState);
QGuiApplicationPrivate::mouse_buttons = toQtMouseButtons(grfKeyState);
const QPlatformDragQtResponse response =
QWindowSystemInterface::handleDrag(window, windowsDrag->dropData(), m_lastPoint, actions);
m_answerRect = response.answerRect();
const Qt::DropAction action = response.acceptedAction();
if (response.isAccepted()) {
m_chosenEffect = translateToWinDragEffects(action);
} else {
m_chosenEffect = DROPEFFECT_NONE;
}
*pdwEffect = m_chosenEffect;
qCDebug(lcQpaMime) << __FUNCTION__ << m_window
<< windowsDrag->dropData() << " supported actions=" << actions
<< " mods=" << QGuiApplicationPrivate::modifier_buttons
<< " mouse=" << QGuiApplicationPrivate::mouse_buttons
<< " accepted: " << response.isAccepted() << action
<< m_answerRect << " effect" << *pdwEffect;
}
void QWaylandDataDevice::data_device_motion(uint32_t time, wl_fixed_t x, wl_fixed_t y)
{
Q_UNUSED(time);
QDrag *drag = static_cast<QWaylandDrag *>(QGuiApplicationPrivate::platformIntegration()->drag())->currentDrag();
if (!drag && !m_dragOffer)
return;
m_dragPoint = QPoint(wl_fixed_to_int(x), wl_fixed_to_int(y));
QMimeData *dragData;
Qt::DropActions supportedActions;
if (drag) {
dragData = drag->mimeData();
supportedActions = drag->supportedActions();
} else {
dragData = m_dragOffer->mimeData();
supportedActions = Qt::CopyAction | Qt::MoveAction | Qt::LinkAction;
}
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 QSimpleDrag::move(const QMouseEvent *me)
{
QBasicDrag::move(me);
QWindow *window = topLevelAt(me->globalPos());
if (!window)
return;
const QPoint pos = me->globalPos() - window->geometry().topLeft();
const QPlatformDragQtResponse qt_response =
QWindowSystemInterface::handleDrag(window, drag()->mimeData(), pos, drag()->supportedActions());
updateCursor(qt_response.acceptedAction());
setCanDrop(qt_response.isAccepted());
}
void QSimpleDrag::startDrag()
{
QBasicDrag::startDrag();
m_current_window = topLevelAt(QCursor::pos());
if (m_current_window) {
QPlatformDragQtResponse response = QWindowSystemInterface::handleDrag(m_current_window, drag()->mimeData(), QCursor::pos(), drag()->supportedActions());
setCanDrop(response.isAccepted());
updateCursor(response.acceptedAction());
} else {
setCanDrop(false);
updateCursor(Qt::IgnoreAction);
}
setExecutedDropAction(Qt::IgnoreAction);
}
void QSimpleDrag::move(const QPoint &globalPos)
{
//### not high-DPI aware
moveShapedPixmapWindow(globalPos);
QWindow *window = topLevelAt(globalPos);
if (!window)
return;
const QPoint pos = globalPos - window->geometry().topLeft();
const QPlatformDragQtResponse qt_response =
QWindowSystemInterface::handleDrag(window, drag()->mimeData(), pos, drag()->supportedActions());
updateCursor(qt_response.acceptedAction());
setCanDrop(qt_response.isAccepted());
}
void QWaylandDrag::setResponse(const QPlatformDragQtResponse &response)
{
setCanDrop(response.isAccepted());
if (canDrop()) {
updateCursor(defaultAction(drag()->supportedActions(), m_display->currentInputDevice()->modifiers()));
} else {
updateCursor(Qt::IgnoreAction);
}
}
