Qt用c++/python 分别实现动态漏斗显示

weixin_49577420

于 2024-05-16 16:32:54 发布

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文章标签： qt c++ python

本文链接：https://blog.youkuaiyun.com/weixin_49577420/article/details/138966286

版权

#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>
#include<QPainter>
#include<QTimer>

class Widget : public QWidget
{
    Q_OBJECT

public:
    Widget(QWidget *parent = nullptr);
    ~Widget();

    int  start_timer(int interval);
private:
    int maxval =100;
    int minval =0;
    int curval =0;
    QTimer *timer;
    int  timer_interval;



protected:
    void paintEvent(QPaintEvent *event) override;
};
#endif // WIDGET_H

#include "widget.h"

Widget::Widget(QWidget *parent)
    : QWidget(parent)
{
    timer= new QTimer(this);
    connect(timer,&QTimer::timeout,this,[=](){
        curval+=5;
        if(curval>maxval){
            curval= 0;
        }
        update();
    });


}

Widget::~Widget()
{
}

void Widget::paintEvent(QPaintEvent *event){

    QPainter painter(this);
    painter.setRenderHint(QPainter::Antialiasing,true);