External/common/combox/customcombobox.h

#ifndef CUSTOMCOMBOBOX_H
#define CUSTOMCOMBOBOX_H

#include <QComboBox>

/**
 * @brief 1、使用此类绘制下拉框阴影需要在样式表中设置QAbstractItemView {margin: LISTVIEW_MARGIN;}
 *          否则阴影会被遮挡
 *        2、调用函数setViewShadowEffect()设置下拉框阴影
 */
class CustomComboBox : public QComboBox
{
public:
    explicit CustomComboBox(QWidget *parent = nullptr);
    ~CustomComboBox();

    /* 设置下拉框阴影 */
    void setViewShadowEffect();

    //重写下拉框弹出位置
    void showPopup() override;
private:
    const int LISTVIEW_MARGIN = 12; // QAbstractItemView边距(阴影宽度)
};

#endif // CUSTOMCOMBOBOX_H