void QmlAnchorBindingProxy::setTopTarget(const QVariant &target)
{
    QmlItemNode newTarget(target.value<ModelNode>());

    if (newTarget == m_topTarget)
        return;

    RewriterTransaction transaction = m_fxItemNode.modelNode().view()->beginRewriterTransaction();

    m_topTarget = newTarget;
    calcTopMargin();

    emit topTargetChanged();
}
Esempio n. 2
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void QmlAnchorBindingProxy::setTopAnchor(bool anchor)
{
    if (!m_qmlItemNode.hasNodeParent())
        return ;

    if (topAnchored() == anchor)
        return;

    RewriterTransaction transaction = m_qmlItemNode.modelNode().view()->beginRewriterTransaction(QByteArrayLiteral("QmlAnchorBindingProxy::setTopAnchor"));

    if (!anchor) {
        removeTopAnchor();
    } else {
        calcTopMargin();
        backupPropertyAndRemove(modelNode(), "y");
        if (bottomAnchored())
            backupPropertyAndRemove(modelNode(), "height");
    }
    emit topAnchorChanged();
    if (hasAnchors() != anchor)
        emit anchorsChanged();
}