Demux.h

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// Copyright 2015 - 2026, GIBIS-UNIFESP and the wiRedPanda contributors
// SPDX-License-Identifier: GPL-3.0-or-later

 
#pragma once
 
#include "App/Element/GraphicElement.h"

class Demux : public GraphicElement
{
    Q_OBJECT
 
public:
    // --- Lifecycle ---

    explicit Demux(QGraphicsItem *parent = nullptr);
 
    // --- Visual / Port Configuration ---

    QRectF boundingRect() const override;

    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;

    void setOutputSize(const int size) override;

    void updatePortsProperties() override;

    void updateLogic() override;
 
private:
    void generatePixmap();

    void drawBody(QPainter *painter);
 
    // Prevent direct input size setting - inputs are derived from output size
    void setInputSize(const int size) override;

    static int calculateSelectLines(int dataCount);
};