#ifndef HMIEDITOR_H
#define HMIEDITOR_H

#include <QWidget>
#include <QPainter>
#include <QMouseEvent>
#include <vector>

// 图形元素基类
class Shape {
public:
    enum Type { Circle, Rectangle };

    Shape(Type type, const QRect& rect) : type(type), rect(rect) {}
    virtual void draw(QPainter& painter) const;

    Type type;
    QRect rect;
};

class HMIEditor : public QWidget
{
    Q_OBJECT

public:
    explicit HMIEditor(QWidget *parent = nullptr);

public slots:
    void onDrawCircle();
    void onDrawRect();

protected:
    void paintEvent(QPaintEvent *event) override;
    void mousePressEvent(QMouseEvent *event) override;
    void mouseReleaseEvent(QMouseEvent *event) override;
    void mouseMoveEvent(QMouseEvent *event) override;

private:
    std::vector<Shape> shapes;
    Shape::Type currentShapeType;
    bool isDrawing;
    QRect currentDrawingRect;
};

#endif // HMIEDITOR_H