Qt模仿瑞幸咖啡广告页

模仿瑞幸咖啡手机App首页的广告栏
效果图

头文件

#ifndef QWHADVSLIDEWIDGET_H
#define QWHADVSLIDEWIDGET_H

#include <QWidget>
#include <QPixmap>
#include <QHBoxLayout>
#include <QLabel>
#include <QEvent>
#include <QScrollArea>
#include <QResizeEvent>

class QWHAdvSlideWidget : public QScrollArea
{
    Q_OBJECT
    Q_ENUMS(SliderPrecious)
public:
    enum SliderPrecious
    {
        Rough,      //粗糙
        Normal,     //正常
        Precious    //精准
    };

    explicit QWHAdvSlideWidget(QWidget *parent = nullptr);

public:
    //设置图片信息
    void setPixmap(QList<QPixmap *> pixmaps);
    //设置边距
    void setContentsMargins(int left, int top, int right, int bottom);
    //设置图片间距
    void setSpacing(int spacing);
    //设置鼠标点击滑动精度
    void setSliderPrecious(SliderPrecious precious);

    //获取图片信息
    QList<QPixmap *> getPixmap()                                            const;
    //获取边距
    void getContentsMargins(int &left, int &top, int &right, int &bottom)   const;
    //获取图片间距
    int getSpacing()                                                        const;
    //获取鼠标点击滑动精度
    SliderPrecious getSliderPrecious()                                      const;
protected:
    bool eventFilter(QObject *obj, QEvent *ev);
    void resizeEvent(QResizeEvent *e);
signals:
    //鼠标双击图片发送信号（当前双击图片的索引）
    void currentIndexChanged(int index);

public slots:

private:
    int m_spacing;                          //图片间距
    QPoint m_lastMovePoint;                 //鼠标移动点位置
    SliderPrecious m_precious;              //鼠标拖动精准度

    QWidget *m_widget;                      //QScrollArea控件内部的Widget控件
    QHBoxLayout *m_hLayout;                 //水平布局
    QList<QLabel *> m_labels;               //存储图片控件
    QList<QPixmap *> m_pixmaps;             //存储图片信息
};

#endif // QWHADVSLIDEWIDGET_H

来源：CSDN

作者：浮生卍流年

链接：https://blog.csdn.net/qq_40945965/article/details/104338733