01.11

#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{
    ui->setupUi(this);
    //label1 时间
    s=new QTimer(this);
     s->start(1000);
     //两个qt5连接
     //第一个连接为 timeout信号和timeout函数连接来在label1中显示时间
    connect(s,&QTimer::timeout,this,&Widget::timeout_slot);
    //第二个连接为 emit信号和timeout函数连接，当按钮“启动”按下emit信号释放，在timeout函数中
    //随时间一起判断闹钟时间是否相等
    connect(this,&Widget::my_signal,&Widget::timeout_slot);

    ui->lineEdit->setPlaceholderText("时间");
    //语言播报
    speecher=new QTextToSpeech(this);
}
Widget::~Widget()
{
    delete ui;
}
void Widget::timerEvent(QTimerEvent *e){
      QTime sys_time=QTime::currentTime();
      QString s=sys_time.toString(("hh::mm::ss"));
      ui->label->setText(s);
      ui->label->setAlignment(Qt::AlignCenter);
}
void Widget::timeout_slot(){
    QTime sys_time=QTime::currentTime();
    QString s=sys_time.toString("hh::mm::ss");
    ui->label->setText(s);
    ui->label->setAlignment(Qt::AlignCenter);
    if(ui->lineEdit->text()==s){
         for(int i=0;i<5;i++){
         speecher->say(ui->label3->text());
         }

     }

}

void Widget::on_pushButton_clicked()
{
    if(ui->pushButton->text()=="启动"){
        ui->pushButton->setText("取消");
        emit this->my_signal();
    }else if(ui->pushButton->text()=="取消"){
        ui->pushButton->setText("启动");
        ui->lineEdit->setText("");
    }


}