Eberhard Graether
a34abe6b4b
* use bezier edges for aggregations * fixed expanding nodes in trail graph makes trouble * fixed hovering of edges at arrow
98 lines
2.1 KiB
C++
98 lines
2.1 KiB
C++
#ifndef QT_GRAPH_EDGE_H
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#define QT_GRAPH_EDGE_H
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#include <memory>
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#include <QGraphicsItem>
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#include "utility/math/Vector2.h"
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#include "utility/math/Vector4.h"
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#include "data/graph/token_component/TokenComponentAggregation.h"
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class Edge;
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class QtGraphNode;
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class QtGraphEdge
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: public QObject
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, public QGraphicsItemGroup
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{
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Q_OBJECT
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Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)
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public:
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QtGraphEdge(
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const std::weak_ptr<QtGraphNode>& owner,
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const std::weak_ptr<QtGraphNode>& target,
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const Edge* data,
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size_t weight,
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bool isActive,
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TokenComponentAggregation::Direction direction);
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virtual ~QtGraphEdge();
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const Edge* getData() const;
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std::weak_ptr<QtGraphNode> getOwner();
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std::weak_ptr<QtGraphNode> getTarget();
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void updateLine();
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bool getIsActive() const;
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void setIsActive(bool isActive);
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void setFromAndToActive(bool fromActive, bool toActive);
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void setIsFocused(bool isFocused);
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void onClick();
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void focusIn();
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void focusOut();
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void setDirection(TokenComponentAggregation::Direction direction);
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bool isTrailEdge() const;
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void setIsTrailEdge(std::vector<Vec4i> path, bool horizontal);
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void setUseBezier(bool useBezier);
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protected:
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virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
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virtual void hoverEnterEvent(QGraphicsSceneHoverEvent* event);
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virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent* event);
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private:
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// used to unfocus recent edge, because hover leave event is not always received for bezier edges
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static QtGraphEdge* s_focusedBezierEdge;
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const Edge* m_data;
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std::weak_ptr<QtGraphNode> m_owner;
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std::weak_ptr<QtGraphNode> m_target;
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QGraphicsItem* m_child;
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bool m_isActive;
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bool m_fromActive;
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bool m_toActive;
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bool m_isFocused;
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size_t m_weight;
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TokenComponentAggregation::Direction m_direction;
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bool m_isTrailEdge;
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bool m_isHorizontalTrail;
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std::vector<Vec4i> m_path;
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bool m_useBezier;
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Vec2i m_mousePos;
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bool m_mouseMoved;
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};
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#endif // QT_GRAPH_EDGE_H
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