#include "widget.h"
#include "ui_widget.h"
#include <QTimer>
using namespace std;
Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
    , lab1(new QLabel(this))    //初始化一个标签显示登录状态
{
    //设置华清远见的标签图片
    this->setFixedSize(440,442);
    ui->setupUi(this);
    ui->Log->setPixmap(QPixmap(":/pictrue/logo.png"));
    ui->Log->setScaledContents(true);
    //设置账号前面的图标
    ui->User->setPixmap(QPixmap(":/pictrue/qq.png"));
    ui->User->setScaledContents(true);
    //设置密码前面的图标
    ui->Passed->setPixmap(QPixmap(":/pictrue/suo.png"));
    ui->Passed->setScaledContents(true);
    //密码设置成密码模式
    ui->PassedLine->setEchoMode(QLineEdit::Password);

    //创建一个关闭按钮
    QPushButton *btn3 = new QPushButton("关闭",this);
    btn3->resize(ui->QuXiao->size().width(),ui->QuXiao->size().height());
    btn3->move(ui->QuXiao->x(),ui->BianSe->y());
//    connect(btn3,SIGNAL(clicked()),this,SLOT(my_slot()));

    //登录后进行判断账号密码是否正确
    connect(ui->DengLu,SIGNAL(clicked()),this,SLOT(my_slot()));
}

Widget::~Widget()
{
    delete ui;
}
//槽函数
void Widget::my_slot()
{
    //判断账号密码是否正确
    QString s1(ui->UserLine->text());
    QString s2(ui->PassedLine->text());
    //设置登录状态的标签的格式
    lab1->resize(ui->QuXiao->size().width(),ui->QuXiao->size().height());
    lab1->move(ui->PassedLine->x()+10,ui->PassedLine->y()+30);
    lab1->setStyleSheet("background-color:rgb(240,240,240);color:black");
     if((s1 == "admin") & (s2 == "123456"))
     {
         //判断正确
        lab1->setText("登录成功");
        //延时后退出界面
        QTimer::singleShot(3000,[&]()
        {
            this->close();
        });
     }
     else
     {
         //登录失败
         lab1->setText("登录失败");
         //失败后清除
         ui->UserLine->clear();
         ui->PassedLine->clear();
     }
}
//变色按钮功能
void Widget::on_BianSe_clicked()
{
    static int count = 0;
    if(++count % 4 == 1)
    {this->setStyleSheet("background-color:red");}
    else if(count % 4 == 2)
    {this->setStyleSheet("background-color:green");}
    else if(count % 4 == 3)
    {this->setStyleSheet("background-color:blue");}
    else if(count % 4 == 0)
    {this->setStyleSheet("background-color:rgb(255,255,255)");}
}
//取消关闭函数
void Widget::on_QuXiao_clicked()
{
    this->close();
}