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Copy pathConnection.hpp
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146 lines (103 loc) · 2.53 KB
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#pragma once
#include <memory>
#include <QtCore/QObject>
#include <QtCore/QUuid>
#include <QVariant>
#include "PortType.hpp"
#include "NodeData.hpp"
#include "Serializable.hpp"
#include "ConnectionState.hpp"
#include "ConnectionGeometry.hpp"
#include "QUuidStdHash.hpp"
#include "Export.hpp"
class QPointF;
namespace QtNodes
{
class Node;
class NodeData;
class ConnectionGraphicsObject;
///
class NODE_EDITOR_PUBLIC Connection
: public QObject
, public Serializable
{
Q_OBJECT
public:
/// New Connection is attached to the port of the given Node.
/// The port has parameters (portType, portIndex).
/// The opposite connection end will require anothre port.
Connection(PortType portType,
Node& node,
PortIndex portIndex);
Connection(Node& nodeIn,
PortIndex portIndexIn,
Node& nodeOut,
PortIndex portIndexOut);
Connection(const Connection&) = delete;
Connection operator=(const Connection&) = delete;
~Connection();
public:
QJsonObject
save() const override;
public:
QUuid
id() const;
/// Remembers the end being dragged.
/// Invalidates Node address.
/// Grabs mouse.
void
setRequiredPort(PortType portType);
PortType
requiredPort() const;
void
setGraphicsObject(std::unique_ptr<ConnectionGraphicsObject>&& graphics);
/// Assigns a node to the required port.
/// It is assumed that there is a required port, no extra checks
void
setNodeToPort(Node& node,
PortType portType,
PortIndex portIndex);
void
removeFromNodes() const;
public:
ConnectionGraphicsObject&
getConnectionGraphicsObject() const;
ConnectionState const &
connectionState() const;
ConnectionState&
connectionState();
ConnectionGeometry&
connectionGeometry();
ConnectionGeometry const&
connectionGeometry() const;
Node*
getNode(PortType portType) const;
Node*&
getNode(PortType portType);
PortIndex
getPortIndex(PortType portType) const;
void
clearNode(PortType portType);
NodeDataType
dataType() const;
public: // data propagation
void
propagateData(std::shared_ptr<NodeData> nodeData) const;
void
propagateEmptyData() const;
private:
QUuid _id;
private:
Node* _outNode = nullptr;
Node* _inNode = nullptr;
PortIndex _outPortIndex;
PortIndex _inPortIndex;
private:
ConnectionState _connectionState;
ConnectionGeometry _connectionGeometry;
std::unique_ptr<ConnectionGraphicsObject> _connectionGraphicsObject;
signals:
void
updated(Connection& conn) const;
};
}