Yzzi
44 lines
762 B
C++
44 lines
762 B
C++
#include "countdown.h"
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countDown::countDown(QObject *parent) : QObject(parent)
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{
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timer=new QTimer(this);
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connect(timer,&QTimer::timeout,this,&countDown::refresh);
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}
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void countDown::refresh()
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{
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if(ms)
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{
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ms--;
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if(!ms) emit ended();//计时结束,触发结束信号,写在这里是为了让声音和画面同步
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}
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else
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{
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if(timer->isActive())timer->stop();
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}
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emit refreshed();
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}
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void countDown::setTime(int t)//弃坑,写不来
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{
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mem=ms=t;
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emit setted();
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}
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void countDown::reset()
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{
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ms=mem;
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refresh();
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emit setted();
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}
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void countDown::start()
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{
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emit refreshed();
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timer->start(1000);
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}
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void countDown::stop()
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{
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emit refreshed();
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if(timer->isActive())timer->stop();
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}
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