QT Day4

#include "clo.h"
#include "ui_clo.h"

Clo::Clo(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Clo)
{
    ui->setupUi(this);
    //设置窗口大小
    this->setFixedSize(600,400);
    //设置闹钟时间默认关闭
    ClockT=false;
    ui->Stop->setDisabled(true);
    //定义计时器
    timer = new QTimer(this);
    timer->start(1000);
    //将计时器与当前时间与检查函数连接
    connect(timer, SIGNAL(timeout()), this, SLOT(updateTime()));
    //设置文本大小
    QFont font1,font2,font3;
    font1.setPointSize(60);
    font2.setPointSize(20);
    font3.setPointSize(60);
    ui->Time->setFont(font1);
    ui->SetTime->setFont(font2);
    ui->ClockText->setFont(font3);
}

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

void Clo::on_Start_clicked()
{
    //启用闹钟时间
    ClockT = true;
    //使控件不可用
    ui->SetTime->setDisabled(true);
    ui->Start->setDisabled(true);
    ui->Stop->setEnabled(true);
    //读取闹钟设置时间
    QString timeText = ui->SetTime->text();
    alarmTime = QTime::fromString(timeText, "hh:mm:ss");
}

void Clo::on_Stop_clicked()
{
    stopClock();
}

void Clo::updateTime()
{
    //读取当前时间 运行检查函数
    ui->Time->setText(QTime::currentTime().toString("hh:mm:ss"));
    if(ClockT)
    {
        Check();
    }
}

void Clo::stopClock()
{
    //将闹钟状态设为停止 设置和启动按钮亮起
    ClockT= false;
    ui->SetTime->setEnabled(true);
    ui->Start->setEnabled(true);
    ui->Stop->setDisabled(true);
}

void Clo::Check()
{
    QTime currentTime = QTime::currentTime();
    if (currentTime >= alarmTime)
    {
        //检查是否成功运行
        qDebug()<<"输出";
        // 如果闹钟触发，读取文本框内容并朗读
        QString message = ui->ClockText->toPlainText();
        if (!message.isEmpty())
        {
            QTextToSpeech *speech = new QTextToSpeech;
            speech->say(message);
        }
        stopClock();
    }
}

思维导图：