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Add Tools::sleep() and Tools::wait().

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This commit is contained in:
Felix Geyer 2012-07-12 13:51:50 +02:00
parent 4b6cae0fcd
commit 13eb1f6330
2 changed files with 56 additions and 1 deletions
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53
src/core/Tools.cpp
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@ -17,11 +17,21 @@
#include "Tools.h"
#include <QtCore/QCoreApplication>
#include <QtCore/QElapsedTimer>
#include <QtCore/QIODevice>
#include <QtCore/QLocale>
#include <QtCore/QStringList>
#include <QtGui/QImageReader>
#ifdef Q_OS_WIN
#include <windows.h> // for Sleep()
#endif
#ifdef Q_OS_UNIX
#include <time.h> // for nanosleep()
#endif
namespace Tools {
QString humanReadableFileSize(qint64 bytes)
@ -94,7 +104,7 @@ bool readAllFromDevice(QIODevice* device, QByteArray& data)
QDateTime currentDateTimeUtc()
{
#if QT_VERSION >= 0x040700
#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
return QDateTime::currentDateTimeUtc();
#else
return QDateTime::currentDateTime().toUTC();
@ -130,4 +140,45 @@ bool isHex(const QByteArray& ba)
return true;
}
void sleep(int ms)
{
Q_ASSERT(ms >= 0);
if (ms == 0) {
return;
}
#ifdef Q_OS_WIN
Sleep(uint(ms));
#else
timespec ts;
ts.tv_sec = ms / 1000;
ts.tv_nsec = (ms % 1000) * 1000 * 1000;
nanosleep(&ts, Q_NULLPTR);
#endif
}
void wait(int ms)
{
Q_ASSERT(ms > 0);
QElapsedTimer timer;
timer.start();
if (ms <= 50) {
QCoreApplication::processEvents(QEventLoop::AllEvents, ms);
sleep(qMax(ms - static_cast<int>(timer.elapsed()), 0));
}
else {
int timeLeft;
do {
timeLeft = ms - timer.elapsed();
if (timeLeft > 0) {
QCoreApplication::processEvents(QEventLoop::AllEvents, timeLeft);
sleep(10);
}
} while (timer.elapsed() < ms);
}
}
} // namespace Tools

4
src/core/Tools.h
View File

@ -22,6 +22,8 @@
#include <QtCore/QString>
#include <QtCore/QDateTime>
#include "core/Global.h"
class QIODevice;
namespace Tools {
@ -33,6 +35,8 @@ bool readAllFromDevice(QIODevice* device, QByteArray& data);
QDateTime currentDateTimeUtc();
QString imageReaderFilter();
bool isHex(const QByteArray& ba);
void sleep(int ms);
void wait(int ms);
} // namespace Tools