2f6b55128
 김태훈
다중 요리 구현
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#include "interruptibletime.h"
InterruptibleTime::InterruptibleTime(QObject *parent) : QObject(parent)
{
elapsed_ = -1;
}
int InterruptibleTime::elapsed()
{
if (isNull())
return -1;
if (time.isValid())
return elapsed_ + time.elapsed();
return elapsed_;
}
bool InterruptibleTime::isValid()
{
return elapsed_ != -1;
}
bool InterruptibleTime::isNull()
{
return elapsed_ == -1;
}
void InterruptibleTime::start()
{
elapsed_ = 0;
time.start();
}
void InterruptibleTime::pause()
{
if (isNull())
return;
elapsed_ += time.elapsed();
time = QTime();
}
void InterruptibleTime::resume()
{
if (isNull())
return;
time.start();
}
int InterruptibleTime::restart()
{
if (isNull())
return -1;
int t = elapsed();
elapsed_ = 0;
time.start();
return t;
}
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