本文整理汇总了C++中NodeInstance::isValid方法的典型用法代码示例。如果您正苦于以下问题：C++ NodeInstance::isValid方法的具体用法？C++ NodeInstance::isValid怎么用？C++ NodeInstance::isValid使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NodeInstance的用法示例。
在下文中一共展示了NodeInstance::isValid方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: reparent
void ObjectNodeInstance::reparent(const NodeInstance &oldParentInstance, const QString &oldParentProperty, const NodeInstance &newParentInstance, const QString &newParentProperty)
{
if (oldParentInstance.isValid()) {
if (oldParentInstance.isQmlGraphicsItem() && isChildrenProperty(oldParentProperty))
specialRemoveParentForQmlGraphicsItemChildren(object());
else
removeFromOldProperty(object(), oldParentInstance.internalObject(), oldParentProperty);
}
if (newParentInstance.isValid()) {
if (newParentInstance.isQmlGraphicsItem() && isChildrenProperty(newParentProperty))
specialSetParentForQmlGraphicsItemChildren(object(), qobject_cast<QDeclarativeItem*>(newParentInstance.internalObject()));
else
addToNewProperty(object(), newParentInstance.internalObject(), newParentProperty);
}
refreshBindings(context()->engine()->rootContext());
}示例2: currentStateChanged
void NodeInstanceView::currentStateChanged(const ModelNode &node)
{
NodeInstance newStateInstance = instanceForModelNode(node);
if (newStateInstance.isValid() && node.metaInfo().isSubclassOf("QtQuick.State", 1, 0))
nodeInstanceView()->activateState(newStateInstance);
else
nodeInstanceView()->activateBaseState();
}