WtConnectionGraphicsObject.h

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#pragma once
 
#include <Wt/WPainter.h>
#include <Wt/WPainterPath.h>
#include <Wt/WRectF.h>
 
#include "guid.hpp"
 
#include "WtConnection.h"
 
class WtNode;
class WtFlowScene;
class WtConnection;
class WtConnectionGeometry;
class WtConnectionState;
 
class WtConnectionPainter
{
public:
 
    static void paint(Wt::WPainter* painter, WtConnection const& connection);
 
    static Wt::WPainterPath getPainterStroke(WtConnectionGeometry const& geom);
};

class WtConnectionGraphicsObject
{
public:
 
    WtConnectionGraphicsObject(WtFlowScene& scene, WtConnection& connection, Wt::WPainter* painter);
 
    virtual ~WtConnectionGraphicsObject();
 
    enum { Type = 65538 };
    int type() const { return Type; }
 
public:
 
    WtConnection& connection();
 
    Wt::WRectF boundingRect() const;
 
    Wt::WPainterPath shape() const;
 
    void setGeometryChanged();

    void move();
 
    void lock(bool locked);
 
    void setPos(int x, int y)
    {
        _origin.setX(x);
        _origin.setY(y);
        _painter->translate(_origin);
        paint(_painter);
        _origin.setX(-x);
        _origin.setY(-y);
        _painter->translate(_origin);
    }
 
    void setPos(Wt::WPointF pos)
    {
        _origin = pos;
        _painter->translate(_origin);
        paint(_painter);
        _origin.setX(-pos.x());
        _origin.setY(-pos.y());
        _painter->translate(_origin);
    }
 
    bool isSelected() const
    {
        return false;
    }
protected:
 
    void paint(Wt::WPainter* painter);
    //
    //  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:
 
    WtFlowScene& _scene;
 
    WtConnection& _connection;
 
    // use for move
    Wt::WPointF _origin = Wt::WPointF(0, 0);
 
    Wt::WPainter* _painter;
};