pad.hpp

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#pragma once
 
#include <QCursor>
#include <QGraphicsObject>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
 
#include "../../node/interface.hpp"
 
static const int LINE_WIDTH = 3;
static const int PAD_SIZE = 10;
static const int PAD_EXPANDED = 12;
static const int LINE_LENGTH = 10;
 
enum class PadSide { Left, Right };
 
class Pad : public QGraphicsObject
{
    Q_OBJECT
 
public:
    static const int Type = QGraphicsItem::UserType + 1;
 
    explicit Pad(QGraphicsItem *parent = nullptr,
                 Interface *interface = nullptr,
                 const PadSide pad_side = PadSide::Left);

    QPoint getSceneDockPoint() const;

    void setHover(bool hover);
 
    inline PadSide getSide() const { return m_pad_side; }
    inline Interface *getInterface() const { return m_represented_interface; }
    void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *) override;
    QRectF boundingRect() const override;
    int type() const override { return Type; }
 
signals:
    void positionChanged();
 
protected:
    QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
    void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
 
private:
    bool m_hover = false;
    const PadSide m_pad_side;
    Interface *m_represented_interface;
};