56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
#pragma once
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#include <QtCore/QUuid>
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#include "global.h"
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class QPointF;
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class ConnectionGraphicsObject;
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/// Stores currently draggind end.
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/// Remembers last hovered Node.
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class ConnectionState
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{
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public:
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/// Defines whether we construct a new connection
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/// or it is already binding two nodes.
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enum LooseEnd { Pending = 0, Connected = 1 };
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public:
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ConnectionState(ConnectionGraphicsObject &cgo)
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: _cgo(cgo)
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, _hovered(false)
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{}
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ConnectionState(ConnectionState const &) = delete;
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ConnectionState(ConnectionState &&) = delete;
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ConnectionState &operator=(ConnectionState const &) = delete;
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ConnectionState &operator=(ConnectionState &&) = delete;
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~ConnectionState();
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public:
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PortType requiredPort() const;
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bool requiresPort() const;
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bool hovered() const;
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void setHovered(bool hovered);
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public:
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/// Caches NodeId for further interaction.
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void setLastHoveredNode(NodeId const nodeId);
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NodeId lastHoveredNode() const;
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void resetLastHoveredNode();
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private:
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ConnectionGraphicsObject &_cgo;
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bool _hovered;
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NodeId _lastHoveredNode{InvalidNodeId};
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};
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