Method createViewerPreviewNode

Gui/SequenceFileDialog.cpp:2875–2922

}

void
SequenceFileDialog::createViewerPreviewNode()
{
    CreateNodeArgs args( PLUGINID_NATRON_VIEWER, NodeCollectionPtr() );
    args.setProperty<std::string>(kCreateNodeArgsPropNodeInitialName, NATRON_FILE_DIALOG_PREVIEW_VIEWER_NAME);
    args.setProperty<bool>(kCreateNodeArgsPropOutOfProject, true);

    _preview->viewerNodeInternal = _gui->getApp()->createNode(args);
    assert(_preview->viewerNodeInternal);
    NodeGuiIPtr viewerNodeGui = _preview->viewerNodeInternal->getNodeGui();
    _preview->viewerNode = std::dynamic_pointer_cast<NodeGui>(viewerNodeGui);
    assert(_preview->viewerNode);
    _preview->viewerNode->hideGui();

    ViewerInstance* viewerInstance = _preview->viewerNodeInternal->isEffectViewer();
    assert(viewerInstance);
    if (!viewerInstance) {
        // coverity[dead_error_line]
        return;
    }
    ViewerGL* viewerGL = dynamic_cast<ViewerGL*>( viewerInstance->getUiContext() );
    assert(viewerGL);
    if (!viewerGL) {
        // coverity[dead_error_line]
        return;
    }
    _preview->viewerUI = viewerGL->getViewerTab();
    assert(_preview->viewerUI);
    if (!_preview->viewerUI) {
        return;
    }
    _preview->viewerUI->setAsFileDialogViewer();

    ///Set a custom timeline so that it is not in synced with the rest of the viewers of the app
    TimeLinePtr newTimeline( new TimeLine(NULL) );
    _preview->viewerUI->setCustomTimeline(newTimeline);
    _preview->viewerUI->setClipToProject(false);
    _preview->viewerUI->setLeftToolbarVisible(false);
    _preview->viewerUI->setRightToolbarVisible(false);
    _preview->viewerUI->setTopToolbarVisible(false);
    _preview->viewerUI->setInfobarVisible(false);
    _preview->viewerUI->setPlayerVisible(false);
    TabWidget* parent = dynamic_cast<TabWidget*>( _preview->viewerUI->parentWidget() );
    if (parent) {
        parent->removeTab(_preview->viewerUI, true);
    }
    _preview->viewerUI->setParent(NULL);
}

NodePtr
SequenceFileDialog::findOrCreatePreviewReader(const std::string& filetype)