wechat.cpp

#include "wechat.h"
#include "ui_wechat.h"

Wechat::Wechat(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Wechat)
{
    ui->setupUi(this);
    setWindowFlags(Qt::FramelessWindowHint);
    setAttribute(Qt::WA_TranslucentBackground);
    ui->label_2->installEventFilter(this);
    ui->label_3->installEventFilter(this);
}

Wechat::~Wechat()
{
    delete ui;
}

void Wechat::mousePressEvent(QMouseEvent *event)
{
    if(event->button() == Qt::LeftButton)
     {
         this->setMouseTracking(true);
          mouse_press = true;
          //鼠标相对于窗体的位置（或者使用event->globalPos() - this->pos()）
          move_point = event->pos();
          qDebug()<<"移动1";
          qDebug()<<event->source();
     }

}

void Wechat::mouseReleaseEvent(QMouseEvent *event)
{
    //设置鼠标为未被按下
        mouse_press = false;

}

void Wechat::mouseMoveEvent(QMouseEvent *event)
{
    //若鼠标左键被按下
  //  qDebug()<<"mouse_press="<<event->globalPos();
        if(mouse_press)
        {

            //鼠标相对于屏幕的位置
            QPoint move_pos = event->globalPos();
           //移动主窗体位置
           this->move(move_pos - move_point);
        }
}

bool Wechat::eventFilter(QObject *object, QEvent *e)
{
    if(e->type()==QEvent::MouseButtonPress&&object==ui->label_3)
    {
         close();
    }
    else if(e->type()==QEvent::MouseButtonPress&&object==ui->label_2){
        showMinimized();
        qDebug()<<"最小化";
        qDebug()<<mouse_press;

    }


    return false;
}
void Wechat::showEvent(QShowEvent *event)
{
     qDebug()<<"出现了";
     mouse_press=false;
     qDebug()<<mouse_press;
}