#ifndef CUSTOMGRAPHICSITEMGROUP_H
#define CUSTOMGRAPHICSITEMGROUP_H
#include <QGraphicsItemGroup>
#include <QPainter>

class RoundedGraphicsItemGroup : public QGraphicsItemGroup {
public:
    RoundedGraphicsItemGroup(QGraphicsItem *parent = nullptr)
        : QGraphicsItemGroup(parent), selected(false) {
        //setFlag(QGraphicsItem::ItemIsSelectable, true); // 使该项可选中
    }

    // 设置圆角半径
    void setCornerRadius(qreal radius) {
        cornerRadius = radius;
        prepareGeometryChange();
    }

    QRectF boundingRect() const override {
        return QGraphicsItemGroup::boundingRect();
    }

    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override {
        Q_UNUSED(option)
        Q_UNUSED(widget)

        // 启用抗锯齿
           painter->setRenderHint(QPainter::Antialiasing, true);

           // 绘制圆角矩形背景
           painter->setBrush(QBrush(QColor(255, 255, 255)));
           painter->setPen(Qt::NoPen);
           painter->drawRoundedRect(boundingRect(), cornerRadius, cornerRadius);

           // 绘制选中效果
           if (isSelected()) {
               QPen pen(QColor(36,93,155), 3); // 蓝色边框
               painter->setPen(pen);
               painter->setBrush(Qt::NoBrush);
               painter->drawRoundedRect(boundingRect().adjusted(1.5, 1.5, -1.5, -1.5), cornerRadius, cornerRadius);
           }
    }

protected:
    void mousePressEvent(QGraphicsSceneMouseEvent *event) override {
        QGraphicsItemGroup::mousePressEvent(event);
        update(); // 更新选中效果
    }

    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override {
        QGraphicsItemGroup::mouseReleaseEvent(event);
        update(); // 更新选中效果
    }

private:
    qreal cornerRadius = 10.0; // 默认圆角半径
    bool selected;            // 是否被选中
};

#endif // CUSTOMGRAPHICSITEMGROUP_H