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Prevent precise timers from being used when unnecessary

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The implementation of QTimer::singleShot() uses Qt::PreciseTimer if interval is less than 2 seconds. This isn't mentioned in the docs.
Qt::PreciseTimer increases the system's timer resolution which negatively affects power consumption.

PR #18555.
Closes #18350.
This commit is contained in:
Vladimir Golovnev
2023-02-14 08:26:08 +03:00
committed by sledgehammer999
parent abd1ab5539
commit df08bd331c
4 changed files with 4 additions and 4 deletions
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2
src/app/main.cpp
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@@ -283,7 +283,7 @@ void showSplashScreen()
painter.drawText(224 - painter.fontMetrics().horizontalAdvance(version), 270, version);
QSplashScreen *splash = new QSplashScreen(splashImg);
splash->show();
QTimer::singleShot(1500ms, splash, &QObject::deleteLater);
QTimer::singleShot(1500ms, Qt::CoarseTimer, splash, &QObject::deleteLater);
qApp->processEvents();
}
#endif // DISABLE_GUI