Method updateViewportExtension

valdi/src/valdi/runtime/Context/ViewNode.cpp:3291–3295

    getOrCreateScrollState().setOnDragStartCallback(std::move(onDragStartCallback));
}

void ViewNode::setOnDragEndingCallback(Ref<ValueFunction> onDragEndingCallback) {
    getOrCreateScrollState().setOnDragEndingCallback(std::move(onDragEndingCallback));
}

void ViewNode::setOnDragEndCallback(Ref<ValueFunction> onDragEndCallback) {
    getOrCreateScrollState().setOnDragEndCallback(std::move(onDragEndCallback));
}