89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
#pragma once
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#include <QtCore/QUuid>
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#include <QtWidgets/QGraphicsObject>
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#include "nodeState.h"
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class QGraphicsProxyWidget;
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class BasicGraphicsScene;
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class AbstractGraphModel;
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class NodeGraphicsObject : public QGraphicsObject
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{
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Q_OBJECT
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public:
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// Needed for qgraphicsitem_cast
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enum { Type = UserType + 1 };
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int type() const override { return Type; }
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public:
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NodeGraphicsObject(BasicGraphicsScene &scene, NodeId node);
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~NodeGraphicsObject() override = default;
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public:
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AbstractGraphModel &graphModel() const;
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BasicGraphicsScene *nodeScene() const;
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NodeId nodeId() { return _nodeId; }
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NodeId nodeId() const { return _nodeId; }
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NodeState &nodeState() { return _nodeState; }
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NodeState const &nodeState() const { return _nodeState; }
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QRectF boundingRect() const override;
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void setGeometryChanged();
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/// Visits all attached connections and corrects
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/// their corresponding end points.
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void moveConnections() const;
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/// Repaints the node once with reacting ports.
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void reactToConnection(ConnectionGraphicsObject const *cgo);
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protected:
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void paint(QPainter *painter,
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QStyleOptionGraphicsItem const *option,
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QWidget *widget = 0) override;
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QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
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void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
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void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
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void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
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void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
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void hoverMoveEvent(QGraphicsSceneHoverEvent *) override;
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void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
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private:
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void embedQWidget();
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void setLockedState();
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private:
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NodeId _nodeId;
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AbstractGraphModel &_graphModel;
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NodeState _nodeState;
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// either nullptr or owned by parent QGraphicsItem
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QGraphicsProxyWidget *_proxyWidget;
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};
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