设置时钟定时

#include "widget.h"
#include "ui_widget.h"
 
Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    //设置固定大小
    this->setFixedSize(800,350);
    //去掉头部
    this->setWindowFlag(Qt::FramelessWindowHint);
    //定时器
    startTimer(1000);
 
    ui->lcdNumber_2->display(clock_time_show);
    ui->textEdit->setVisible(0);//隐藏文本输入框
    //隐藏设置闹钟的按键
    ui->pushButton_3->setVisible(0);
    ui->pushButton_4->setVisible(0);
    ui->pushButton_5->setVisible(0);
    //设定闹钟时间从现在时间开始
    QTime systime = QTime::currentTime();
    clock_time_show = systime.toString("hh:mm");
}
 
Widget::~Widget()
{
    delete ui;
}
void Widget::mousePressEvent(QMouseEvent *event)
{
    //检测鼠标左右键
    if(event->buttons() == Qt::LeftButton)//左键拖动窗口
    {
        moverpoint = event->globalPos() - this->frameGeometry().topLeft();
    }
    if(event->buttons() == Qt::RightButton)//右键关闭窗口
    {
        QMessageBox::StandardButton btn = QMessageBox::information(this,"提示","确定退出吗？",QMessageBox::Yes|QMessageBox::No);//确认QMessageBox，防止误触
        if(btn == QMessageBox::Yes)this->close();
    }
}
 
void Widget::mouseMoveEvent(QMouseEvent *event)
{
    if(event->buttons() == Qt::LeftButton)
    {
        this->move(event->globalPos() - moverpoint);//更改窗口的位置
    }
}
 
void Widget::timerEvent(QTimerEvent *event)
{
    Q_UNUSED(event);
    //时钟显示
    QTime systime = QTime::currentTime();
    QString timeText = systime.toString("hh:mm");
    if(showflag)
    {
        timeText[2] = ':';
        showflag = false;
    }
    else
    {
        timeText[2] = ' ';
        showflag = true;
    }
    ui->lcdNumber->display(timeText);
 
    //判断闹钟是否开启，时间是否到达
    if(clock && clock_time_show == timeText)
    {
        ui->label->setText("提示的内容:"+hint);
        QMessageBox::StandardButton btn = QMessageBox::information(this,"闹钟",clock_time_show+"到了",QMessageBox::Ok);
        if(btn == QMessageBox::Ok)clock = false;;
    }
}
 
void Widget::on_pushButton_3_clicked()
{
    //设置闹钟时间+
    int hour = clock_time_show.mid(0,2).toInt();
    int mintue = clock_time_show.mid(3,2).toInt();
 
    //判断调整分钟还是小时
    if(hmflag == true)
    {
        mintue++;
        if(mintue == 60)
            mintue = 0;
        QTime time(hour,mintue);
        clock_time_show = time.toString("hh:mm");
    }
    else if(hmflag == false)
    {
        hour++;
        if(hour == 24)
            hour = 0;
        QTime time(hour,mintue);
        clock_time_show = time.toString("hh:mm");
    }
    //显示调整的时间
    ui->lcdNumber_2->display(clock_time_show);
 
}
 
void Widget::on_pushButton_5_clicked()
{
    //闹钟设定小时分钟切换
    if(hmflag) hmflag=false;
    else hmflag = true;
}
 
void Widget::on_pushButton_4_clicked()
{
    int hour = clock_time_show.mid(0,2).toInt();
    int mintue = clock_time_show.mid(3,2).toInt();
 
    //设置闹钟时间-
    if(hmflag == true)
    {
        mintue--;
        if(mintue == 0)
            mintue = 59;
        QTime time(hour,mintue);
        clock_time_show = time.toString("hh:mm");
    }
    else if(hmflag == false)
    {
        hour--;
        if(hour == -1)
            hour = 23;
        QTime time(hour,mintue);
        clock_time_show = time.toString("hh:mm");
    }
    ui->lcdNumber_2->display(clock_time_show);
}
 
void Widget::on_pushButton_clicked()
{
    if(ui->pushButton->text() == "设定闹钟")
    {
        //显示设置闹钟的按键
        ui->pushButton_3->setVisible(1);
        ui->pushButton_4->setVisible(1);
        ui->pushButton_5->setVisible(1);
 
        ui->textEdit->setVisible(1);//显示输入框
        ui->pushButton->setText("确定");
        ui->lcdNumber_2->display(clock_time_show);
    }
    else if(ui->pushButton->text() == "确定")
    {
        //确定闹钟
        hint = ui->textEdit->document()->toPlainText();
        clock = true;
        ui->pushButton->setText("设定闹钟");
        ui->textEdit->setVisible(0);
        ui->label_2->setText("闹钟时间");
    }
}
 
void Widget::on_pushButton_2_clicked()
{
    clock = false;
    ui->label_2->setText("当前没有闹钟");
    ui->label->setText("");
}