Sonic Segmenter

//    std::cerr << "MainWindow::layerInAView(" << layer << "," << inAView << ")" << std::endl;

    if (!inAView) removeLayerEditDialog(layer);

    // Check whether we need to add or remove model from play source

    Model *model = layer->getModel();

    if (model) {

        Model *source = model->getSourceModel();

        if (inAView) {

            m_playSource->addModel(model);

            if (source && source != model) {

                m_playSource->addModel(source);

            }

        } else {

            bool found = false;

            for (int i = 0; i < m_paneStack->getPaneCount(); ++i) {

                Pane *pane = m_paneStack->getPane(i);

                if (!pane) continue;

                for (int j = 0; j < pane->getLayerCount(); ++j) {

                    Layer *pl = pane->getLayer(j);

                    if (pl && (pl->getModel() == model ||

                               pl->getModel() == source)) {

                        found = true;

                        break;

                    }

                }

                if (found) break;

            }

            if (!found) {

                m_playSource->removeModel(model);

                if (source && source != model) {

                    m_playSource->removeModel(source);

                }

            }

        }

    }

    updateMenuStates();