VisionFlowPro/NodeEditorPro/include/nodes/ConnectionGraphicsObject.hpp
2023-02-28 14:50:28 +08:00

90 lines
1.4 KiB
C++

#pragma once
#include <QtCore/QUuid>
#include <QtWidgets/QGraphicsObject>
class QGraphicsSceneMouseEvent;
namespace QtNodes
{
class FlowScene;
class Connection;
class ConnectionGeometry;
class Node;
/// Graphic Object for connection. Adds itself to scene
class ConnectionGraphicsObject
: public QGraphicsObject
{
Q_OBJECT
public:
ConnectionGraphicsObject(FlowScene& scene,
Connection& connection);
virtual
~ConnectionGraphicsObject();
enum { Type = UserType + 2 };
int
type() const override { return Type; }
public:
Connection&
connection();
QRectF
boundingRect() const override;
QPainterPath
shape() const override;
void
setGeometryChanged();
/// Updates the position of both ends
void
move();
void
lock(bool locked);
protected:
void
paint(QPainter* painter,
QStyleOptionGraphicsItem const* option,
QWidget* widget = 0) override;
void
mousePressEvent(QGraphicsSceneMouseEvent* event) override;
void
mouseMoveEvent(QGraphicsSceneMouseEvent* event) override;
void
mouseReleaseEvent(QGraphicsSceneMouseEvent* event) override;
void
hoverEnterEvent(QGraphicsSceneHoverEvent* event) override;
void
hoverLeaveEvent(QGraphicsSceneHoverEvent* event) override;
private:
void
addGraphicsEffect();
private:
FlowScene& _scene;
Connection& _connection;
};
}