触发鼠标按下事件，但不触发鼠标移动事件

我正在使用Qt3D。我正在将QObjectPicker添加到我的3D实体中，如下所示：

Qt3DRender::QObjectPicker *MyScene::createObjectPickerForEntity(Qt3DCore::QEntity *entity)
{
if (!entity)
return nullptr;
picker = new Qt3DRender::QObjectPicker(entity);
picker->setHoverEnabled(true); // I set this correctly
picker->setDragEnabled(true); // Also required!
picker->setObjectName(QStringLiteral("__internal ") + entity->objectName());
entity->addComponent(picker);
connect(picker, &Qt3DRender::QObjectPicker::pressed, this, &MyScene::handlePickerPress);
connect(picker, &Qt3DRender::QObjectPicker::moved, this, &MyScene::handlePickerMove);
return picker;
}

触发鼠标按下事件，相应的插槽正确记录按下实体的名称和全局坐标：

void MyScene::handlePickerPress(Qt3DRender::QPickEvent *event)
{
Qt3DCore::QEntity *pressedEntity = qobject_cast<Qt3DCore::QEntity *>(sender()->parent());
if (!pressedEntity && !pressedEntity->isEnabled())
return;
qDebug() << "Pressed Entity Name: "<< pressedEntity->objectName();
qDebug() << "Global Coord: " << event->worldIntersection();
}

但是，令我惊讶的是，鼠标移动(悬停(事件不起作用。以下插槽函数不记录任何内容。另外，当我在此插槽放置调试器断点时，我看到根本没有调用它：

void MyScene::handlePickerMove(Qt3DRender::QPickEvent *event)
{
qDebug() << "Hover Intersection:" << event->worldIntersection();
}

我错过了什么吗？

我的Qt3D渲染设置是：

m_renderSettings = new Qt3DRender::QRenderSettings();
m_renderSettings->pickingSettings()->setPickMethod(Qt3DRender::QPickingSettings::TrianglePicking);
m_renderSettings->pickingSettings()->setPickResultMode(Qt3DRender::QPickingSettings::NearestPick);
m_renderSettings->setObjectName(QStringLiteral("__internal Scene frame graph"));
m_renderer = new Qt3DExtras::QForwardRenderer();
m_renderer->setClearColor(QColor("#c8c8c8"));
m_renderSettings->setActiveFrameGraph(m_renderer);
m_renderSettings->setRenderPolicy(Qt3DRender::QRenderSettings::RenderPolicy::OnDemand);
m_rootEntity->addComponent(m_renderSettings);
m_rootEntity->addComponent(new Qt3DInput::QInputSettings());

更新

与本报告有关。