Method disconnectInput

Engine/NodeInputs.cpp:1091–1163

}

int
Node::disconnectInput(int inputNumber)
{
    assert(_imp->inputsInitialized);

    NodePtr inputShared;
    bool useGuiValues = isNodeRendering();
    bool destroyed;
    {
        QMutexLocker k(&_imp->isBeingDestroyedMutex);
        destroyed = _imp->isBeingDestroyed;
    }
    if (!destroyed) {
        _imp->effect->abortAnyEvaluation();
    }

    {
        QMutexLocker l(&_imp->inputsMutex);
        if ( (inputNumber < 0) ||
             ( inputNumber > (int)_imp->inputs.size() ) ||
             ( !useGuiValues && !_imp->inputs[inputNumber].lock() ) ||
             ( useGuiValues && !_imp->guiInputs[inputNumber].lock() ) ) {
            return -1;
        }
        inputShared = useGuiValues ? _imp->guiInputs[inputNumber].lock() : _imp->inputs[inputNumber].lock();
    }


    QObject::disconnect( inputShared.get(), SIGNAL(labelChanged(QString)), this, SLOT(onInputLabelChanged(QString)) );
    inputShared->disconnectOutput(useGuiValues, this);

    {
        QMutexLocker l(&_imp->inputsMutex);
        if (!useGuiValues) {
            _imp->inputs[inputNumber].reset();
            _imp->guiInputs[inputNumber].reset();
        } else {
            _imp->guiInputs[inputNumber].reset();
        }
    }

    {
        QMutexLocker k(&_imp->isBeingDestroyedMutex);
        if (_imp->isBeingDestroyed) {
            return -1;
        }
    }

    Q_EMIT inputChanged(inputNumber);
    bool mustCallEnd = false;
    if (!useGuiValues) {
        beginInputEdition();
        mustCallEnd = true;
        onInputChanged(inputNumber);
    }
    bool creatingNodeTree = getApp()->isCreatingNodeTree();
    if (!creatingNodeTree) {
        ///Recompute the hash