C++ NodeGuiPtr::getDagGui方法代码示例

void
NodeSettingsPanel::onSettingsButtonClicked()
{
    Menu menu(this);
    //menu.setFont(QFont(appFont,appFontSize));
    NodeGuiPtr node = getNode();
    NodePtr master = node->getNode()->getMasterNode();
    QAction* importPresets = new QAction(tr("Import presets"), &menu);
    QObject::connect( importPresets, SIGNAL(triggered()), this, SLOT(onImportPresetsActionTriggered()) );
    QAction* exportAsPresets = new QAction(tr("Export as presets"), &menu);
    QObject::connect( exportAsPresets, SIGNAL(triggered()), this, SLOT(onExportPresetsActionTriggered()) );

    menu.addAction(importPresets);
    menu.addAction(exportAsPresets);
    menu.addSeparator();

    QAction* manageUserParams = new QAction(tr("Manage user parameters..."), &menu);
    QObject::connect( manageUserParams, SIGNAL(triggered()), this, SLOT(onManageUserParametersActionTriggered()) );
    menu.addAction(manageUserParams);

    menu.addSeparator();


    QAction* setKeyOnAll = new QAction(tr("Set key on all parameters"), &menu);
    QObject::connect( setKeyOnAll, SIGNAL(triggered()), this, SLOT(setKeyOnAllParameters()) );
    QAction* removeAnimationOnAll = new QAction(tr("Remove animation on all parameters"), &menu);
    QObject::connect( removeAnimationOnAll, SIGNAL(triggered()), this, SLOT(removeAnimationOnAllParameters()) );
    menu.addAction(setKeyOnAll);
    menu.addAction(removeAnimationOnAll);

    if ( master || !node->getDagGui() || !node->getDagGui()->getGui() || node->getDagGui()->getGui()->isGUIFrozen() ) {
        importPresets->setEnabled(false);
        exportAsPresets->setEnabled(false);
        setKeyOnAll->setEnabled(false);
        removeAnimationOnAll->setEnabled(false);
    }

    menu.exec( _settingsButton->mapToGlobal( _settingsButton->pos() ) );
}

void
NodeGraph::refreshNodeLinksNow()
{
    // First clear all previous links
    for (NodeGraphPrivate::LinkedNodesList::const_iterator it = _imp->linkedNodes.begin(); it != _imp->linkedNodes.end(); ++it) {
        delete it->arrow;
    }
    _imp->linkedNodes.clear();

    if (!_imp->_knobLinksVisible) {
        return;
    }

    NodesGuiList nodes;
    {
        QMutexLocker k(&_imp->_nodesMutex);
        nodes = _imp->_nodes;
    }

    QColor simpleLinkColor, cloneLinkColor;
    {
        double exprColor[3], cloneColor[3];
        appPTR->getCurrentSettings()->getExprColor(&exprColor[0], &exprColor[1], &exprColor[2]);
        appPTR->getCurrentSettings()->getCloneColor(&cloneColor[0], &cloneColor[1], &cloneColor[2]);
        simpleLinkColor.setRgbF(Image::clamp(exprColor[0], 0., 1.),
                                Image::clamp(exprColor[1], 0., 1.),
                                Image::clamp(exprColor[2], 0., 1.));
        cloneLinkColor.setRgbF(Image::clamp(cloneColor[0], 0., 1.),
                                Image::clamp(cloneColor[1], 0., 1.),
                                Image::clamp(cloneColor[2], 0., 1.));
    }
    
    
    for (NodesGuiList::const_iterator it = nodes.begin(); it!=nodes.end(); ++it) {
        NodePtr thisNode = (*it)->getNode();

        std::list<std::pair<NodePtr, bool> > linkedNodes;
        thisNode->getLinkedNodes(&linkedNodes);

        for (std::list<std::pair<NodePtr, bool> >::const_iterator it2 = linkedNodes.begin(); it2 != linkedNodes.end(); ++it2) {

            // If the linked node doesn't have a gui or it is not part of this nodegraph don't create a link at all
            NodeGuiPtr otherNodeGui = toNodeGui(it2->first->getNodeGui());
            if (!otherNodeGui || otherNodeGui->getDagGui() != this) {
                continue;
            }

            // Try to find an existing link
            NodeGraphPrivate::LinkedNodes link;
            link.nodes[0] = thisNode;
            link.nodes[1] = it2->first;
            link.isCloneLink = it2->second;

            NodeGraphPrivate::LinkedNodesList::iterator foundExistingLink = _imp->linkedNodes.end();
            {
                for (NodeGraphPrivate::LinkedNodesList::iterator it = _imp->linkedNodes.begin(); it != _imp->linkedNodes.end(); ++it) {
                    NodePtr a1 = it->nodes[0].lock();
                    NodePtr a2 = it->nodes[1].lock();
                    NodePtr b1 = link.nodes[0].lock();
                    NodePtr b2 = link.nodes[1].lock();
                    if ((a1 == b1 || a1 == b2) &&
                        (a2 == b1 || a2 == b2)) {
                        foundExistingLink = it;
                        break;
                    }
                }
            }

            if (foundExistingLink == _imp->linkedNodes.end()) {
                // A link did not exist, create it
                link.arrow = new LinkArrow( otherNodeGui, *it, (*it)->parentItem() );
                link.arrow->setWidth(2);
                link.arrow->setArrowHeadVisible(false);
                if (link.isCloneLink) {
                    link.arrow->setColor(cloneLinkColor);
                } else {
                    link.arrow->setColor(simpleLinkColor);
                }
                _imp->linkedNodes.push_back(link);
            } else {
                // A link existed, if this is a clone link and it was not before, upgrade it
                if (!foundExistingLink->isCloneLink && link.isCloneLink) {
                    foundExistingLink->arrow->setColor(cloneLinkColor);
                }
            }

        }

        (*it)->refreshLinkIndicators(linkedNodes);
    }

} // refreshNodeLinksNow

void
GuiAppInstance::createNodeGui(const NodePtr &node,
                              const NodePtr& parentMultiInstance,
                              const CreateNodeArgs& args)
{
    boost::shared_ptr<NodeCollection> group = node->getGroup();
    NodeGraph* graph;

    if (group) {
        NodeGraphI* graph_i = group->getNodeGraph();
        assert(graph_i);
        graph = dynamic_cast<NodeGraph*>(graph_i);
        assert(graph);
    } else {
        graph = _imp->_gui->getNodeGraph();
    }
    if (!graph) {
        throw std::logic_error("");
    }

    NodesGuiList selectedNodes = graph->getSelectedNodes();
    NodeGuiPtr nodegui = _imp->_gui->createNodeGUI(node, args);

    assert(nodegui);
    if (parentMultiInstance && nodegui) {
        nodegui->hideGui();


        boost::shared_ptr<NodeGuiI> parentNodeGui_i = parentMultiInstance->getNodeGui();
        assert(parentNodeGui_i);
        nodegui->setParentMultiInstance( boost::dynamic_pointer_cast<NodeGui>(parentNodeGui_i) );
    }

    ///It needs to be here because we rely on the _nodeMapping member
    bool isViewer = node->isEffectViewer() != 0;
    if (isViewer) {
        _imp->_gui->createViewerGui(node);
    }

    ///must be done after the viewer gui has been created
    if ( node->isRotoPaintingNode() ) {
        _imp->_gui->createNewRotoInterface( nodegui.get() );
    }

    if ( ( node->isTrackerNodePlugin() || node->getEffectInstance()->isBuiltinTrackerNode() ) && !parentMultiInstance ) {
        _imp->_gui->createNewTrackerInterface( nodegui.get() );
    }

    NodeGroup* isGroup = node->isEffectGroup();
    if ( isGroup && isGroup->isSubGraphUserVisible() ) {
        _imp->_gui->createGroupGui(node, args.reason);
    }

    ///Don't initialize inputs if it is a multi-instance child since it is not part of  the graph
    if (!parentMultiInstance) {
        nodegui->initializeInputs();
    }

    if ( (args.reason == eCreateNodeReasonUserCreate) && !isViewer ) {
        ///we make sure we can have a clean preview.
        node->computePreviewImage( getTimeLine()->currentFrame() );
        triggerAutoSave();
    }


    ///only move main instances
    if ( node->getParentMultiInstanceName().empty() ) {
        bool autoConnect = args.reason == eCreateNodeReasonUserCreate;

        if ( selectedNodes.empty() ) {
            autoConnect = false;
        }
        if ( (args.xPosHint != INT_MIN) && (args.yPosHint != INT_MIN) && (!autoConnect) ) {
            QPointF pos = nodegui->mapToParent( nodegui->mapFromScene( QPointF(args.xPosHint, args.yPosHint) ) );
            nodegui->refreshPosition( pos.x(), pos.y(), true );
        } else {
            BackdropGui* isBd = dynamic_cast<BackdropGui*>( nodegui.get() );
            if (!isBd) {
                NodeGuiPtr selectedNode;
                if ( (args.reason == eCreateNodeReasonUserCreate) && (selectedNodes.size() == 1) ) {
                    selectedNode = selectedNodes.front();
                    BackdropGui* isBackdropGui = dynamic_cast<BackdropGui*>( selectedNode.get() );
                    if (isBackdropGui) {
                        selectedNode.reset();
                    }
                }
                nodegui->getDagGui()->moveNodesForIdealPosition(nodegui, selectedNode, autoConnect);
            }
        }
    }
} // createNodeGui

void
GuiAppInstance::createNodeGui(const NodePtr &node,
                              const NodePtr& parentMultiInstance,
                              const CreateNodeArgs& args)
{
    NodeCollectionPtr group = node->getGroup();
    NodeGraph* graph;

    if (group) {
        NodeGraphI* graph_i = group->getNodeGraph();
        assert(graph_i);
        graph = dynamic_cast<NodeGraph*>(graph_i);
        assert(graph);
    } else {
        graph = _imp->_gui->getNodeGraph();
    }
    if (!graph) {
        throw std::logic_error("");
    }

    NodesGuiList selectedNodes = graph->getSelectedNodes();
    NodeGuiPtr nodegui = _imp->_gui->createNodeGUI(node, args);
    assert(nodegui);

    if (parentMultiInstance && nodegui) {
        nodegui->hideGui();


        NodeGuiIPtr parentNodeGui_i = parentMultiInstance->getNodeGui();
        assert(parentNodeGui_i);
        nodegui->setParentMultiInstance( boost::dynamic_pointer_cast<NodeGui>(parentNodeGui_i) );
    }

    bool isViewer = node->isEffectViewerInstance() != 0;
    if (isViewer) {
        _imp->_gui->createViewerGui(node);
    }

    // Must be done after the viewer gui has been created
    _imp->_gui->createNodeViewerInterface(nodegui);


    NodeGroupPtr isGroup = node->isEffectNodeGroup();
    if ( isGroup && isGroup->isSubGraphUserVisible() ) {
        _imp->_gui->createGroupGui(node, args);
    }

    ///Don't initialize inputs if it is a multi-instance child since it is not part of  the graph
    if (!parentMultiInstance) {
        nodegui->initializeInputs();
    }
    
    NodeSerializationPtr serialization = args.getProperty<NodeSerializationPtr >(kCreateNodeArgsPropNodeSerialization);
    if ( !serialization && !isViewer ) {
        ///we make sure we can have a clean preview.
        node->computePreviewImage( getTimeLine()->currentFrame() );
        triggerAutoSave();
    }


    ///only move main instances
    if ( node->getParentMultiInstanceName().empty() && !serialization) {
        bool autoConnect = args.getProperty<bool>(kCreateNodeArgsPropAutoConnect);

        if ( selectedNodes.empty() || serialization) {
            autoConnect = false;
        }
        double xPosHint = serialization ? INT_MIN : args.getProperty<double>(kCreateNodeArgsPropNodeInitialPosition, 0);
        double yPosHint = serialization ? INT_MIN : args.getProperty<double>(kCreateNodeArgsPropNodeInitialPosition, 1);
        if ( (xPosHint != INT_MIN) && (yPosHint != INT_MIN) && (!autoConnect) ) {
            QPointF pos = nodegui->mapToParent( nodegui->mapFromScene( QPointF(xPosHint, yPosHint) ) );
            nodegui->refreshPosition( pos.x(), pos.y(), true );
        } else {
            BackdropGuiPtr isBd = toBackdropGui(nodegui);
            if (!isBd) {
                NodeGuiPtr selectedNode;
                if ( !serialization && (selectedNodes.size() == 1) ) {
                    selectedNode = selectedNodes.front();
                    BackdropGuiPtr isBdGui = toBackdropGui(selectedNode);
                    if (isBdGui) {
                        selectedNode.reset();
                    }
                }
                nodegui->getDagGui()->moveNodesForIdealPosition(nodegui, selectedNode, autoConnect);
            }
        }
    }
} // createNodeGui