94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
#pragma once
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#include <utility>
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#include <QtCore/QUuid>
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#include <QtWidgets/QGraphicsObject>
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#include "connectionState.h"
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#include "global.h"
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class QGraphicsSceneMouseEvent;
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class AbstractGraphModel;
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class BasicGraphicsScene;
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/// Graphic Object for connection. Adds itself to scene
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class ConnectionGraphicsObject : 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 + 2 };
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int type() const override { return Type; }
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public:
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ConnectionGraphicsObject(BasicGraphicsScene &scene, ConnectionId const connectionId);
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~ConnectionGraphicsObject() = default;
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public:
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AbstractGraphModel &graphModel() const;
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BasicGraphicsScene *nodeScene() const;
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ConnectionId const &connectionId() const;
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QRectF boundingRect() const override;
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QPainterPath shape() const override;
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QPointF const &endPoint(PortType portType) const;
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QPointF out() const { return _out; }
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QPointF in() const { return _in; }
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std::pair<QPointF, QPointF> pointsC1C2() const;
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void setEndPoint(PortType portType, QPointF const &point);
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/// Updates the position of both ends
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void move();
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ConnectionState const &connectionState() const;
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ConnectionState &connectionState();
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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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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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private:
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void initializePosition();
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void addGraphicsEffect();
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std::pair<QPointF, QPointF> pointsC1C2Horizontal() const;
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std::pair<QPointF, QPointF> pointsC1C2Vertical() const;
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private:
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ConnectionId _connectionId;
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AbstractGraphModel &_graphModel;
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ConnectionState _connectionState;
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mutable QPointF _out;
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mutable QPointF _in;
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};
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