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Russell Greene
144 lines
2.6 KiB
C++
144 lines
2.6 KiB
C++
#pragma once
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#include "FlowScene.hpp"
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#include "PortType.hpp"
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#include "FlowSceneModel.hpp"
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#include "QUuidStdHash.hpp"
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#include "ConnectionID.hpp"
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#include "Export.hpp"
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#include "TypeConverter.hpp"
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#include <memory>
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#include <functional>
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#include <unordered_map>
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namespace QtNodes {
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class Connection;
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class DataModelRegistry;
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class NodeDataModel;
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class Node;
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class DataFlowModel;
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/// A FlowScene that uses a simple data flow model.
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/// This class is a drop-in replacement for the old FlowScene
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class NODE_EDITOR_PUBLIC DataFlowScene : public FlowScene
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{
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Q_OBJECT
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public:
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explicit
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DataFlowScene(std::shared_ptr<DataModelRegistry> registry = std::make_shared<DataModelRegistry>(),
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QObject* parent = Q_NULLPTR);
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std::shared_ptr<Connection>
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createConnection(Node& nodeIn,
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PortIndex portIndexIn,
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Node& nodeOut,
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PortIndex portIndexOut,
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TypeConverter const& converter = TypeConverter());
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std::shared_ptr<Connection>
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restoreConnection(QJsonObject const &connectionJson);
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void
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deleteConnection(Connection& connection);
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Node&
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createNode(std::unique_ptr<NodeDataModel> && dataModel);
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Node&
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restoreNode(QJsonObject const& nodeJson);
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void
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removeNode(Node& node);
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DataModelRegistry&
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registry() const;
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void
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setRegistry(std::shared_ptr<DataModelRegistry> registry);
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void
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iterateOverNodes(std::function<void(Node*)> const& visitor);
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void
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iterateOverNodeData(std::function<void(NodeDataModel*)> const& visitor);
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void
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iterateOverNodeDataDependentOrder(std::function<void(NodeDataModel*)> const& visitor);
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QPointF
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getNodePosition(Node const& node) const;
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void
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setNodePosition(Node& node, QPointF const& pos) const;
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public:
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std::unordered_map<QUuid, std::unique_ptr<Node> > const &
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nodes() const;
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std::unordered_map<ConnectionID, std::shared_ptr<Connection> > const &
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connections() const;
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std::vector<Node*>
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selectedNodes() const;
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public:
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void
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clearScene();
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void
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save() const;
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void
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load();
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QByteArray
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saveToMemory() const;
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void
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loadFromMemory(const QByteArray& data);
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signals:
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void
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nodeCreated(Node &n);
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void
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nodeDeleted(Node &n);
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void
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connectionCreated(Connection &c);
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void
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connectionDeleted(Connection &c);
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void
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nodeMoved(Node& n, const QPointF& newLocation);
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void
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nodeDoubleClicked(Node& n);
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void
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connectionHovered(Connection& c, QPoint screenPos);
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void
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nodeHovered(Node& n, QPoint screenPos);
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void
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connectionHoverLeft(Connection& c);
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void
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nodeHoverLeft(Node& n);
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private:
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DataFlowModel* _dataFlowModel;
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};
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} // namespace QtNodes
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