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Sourcetrail/src/lib_gui/qt/view/graphElements/QtGraphEdge.h
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#ifndef QT_GRAPH_EDGE_H
#define QT_GRAPH_EDGE_H
#include <memory>
#include <QGraphicsItem>
#include "utility/math/Vector2.h"
#include "utility/math/Vector4.h"
#include "data/graph/token_component/TokenComponentAggregation.h"
class Edge;
class QtGraphNode;
class QtGraphEdge
: public QObject
, public QGraphicsItemGroup
{
Q_OBJECT
Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)
public:
QtGraphEdge(
QtGraphNode* owner,
QtGraphNode* target,
const Edge* data,
size_t weight,
bool isActive,
TokenComponentAggregation::Direction direction);
virtual ~QtGraphEdge();
const Edge* getData() const;
QtGraphNode* getOwner();
QtGraphNode* getTarget();
Id getTokenId() const;
void updateLine();
bool getIsActive() const;
void setIsActive(bool isActive);
void setIsFocused(bool isFocused);
void onClick();
void onHide();
void focusIn();
void focusOut();
void setDirection(TokenComponentAggregation::Direction direction);
bool isTrailEdge() const;
void setIsTrailEdge(std::vector<Vec4i> path, bool horizontal);
void setUseBezier(bool useBezier);
protected:
virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
virtual void hoverEnterEvent(QGraphicsSceneHoverEvent* event);
virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent* event);
private:
// used to send tooltip message on focusIn(), because both focus messages are filtered out if sent close together
static QtGraphEdge* s_focusedEdge;
// used to unfocus recent edge, because hover leave event is not always received for bezier edges
static QtGraphEdge* s_focusedBezierEdge;
const Edge* m_data;
QtGraphNode* m_owner;
QtGraphNode* m_target;
QGraphicsItem* m_child;
bool m_isActive;
bool m_isFocused;
size_t m_weight;
TokenComponentAggregation::Direction m_direction;
bool m_isTrailEdge;
bool m_isHorizontalTrail;
std::vector<Vec4i> m_path;
bool m_useBezier;
Vec2i m_mousePos;
bool m_mouseMoved;
};
#endif // QT_GRAPH_EDGE_H