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 QWaylandDrag::updateTarget(const QString &mimeType) { setCanDrop(!mimeType.isEmpty()); if (canDrop()) { updateCursor(defaultAction(drag()->supportedActions(), m_display->currentInputDevice()->modifiers())); } else { updateCursor(Qt::IgnoreAction); } }
void QWaylandDrag::setResponse(const QPlatformDragQtResponse &response) { setCanDrop(response.isAccepted()); if (canDrop()) { updateCursor(defaultAction(drag()->supportedActions(), m_display->currentInputDevice()->modifiers())); } else { updateCursor(Qt::IgnoreAction); } }
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::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()); }