Method linkModels

src/core/AutomatableModel.cpp:444–463

void AutomatableModel::linkModels( AutomatableModel* model1, AutomatableModel* model2 )
{
	if (!model1->m_linkedModels.contains( model2 ) && model1 != model2)
	{
		// copy data
		model1->m_value = model2->m_value;
		if (model1->valueBuffer() && model2->valueBuffer())
		{
			std::copy_n(model2->valueBuffer()->data(),
				model1->valueBuffer()->length(),
				model1->valueBuffer()->data());
		}
		// send dataChanged() before linking (because linking will
		// connect the two dataChanged() signals)
		emit model1->dataChanged();
		// finally: link the models
		model1->linkModel( model2 );
		model2->linkModel( model1 );
	}
}