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core/imagedownloader.cpp: Use signal to exit eventloop

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Don't do busy-waiting.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-02-09 23:07:42 +01:00 • committed by Lubomir I. Ivanov
parent 907c07ce50
commit eaff0ddee7
1 changed files with 2 additions and 4 deletions
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6
core/imagedownloader.cpp
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@ -42,11 +42,9 @@ bool ImageDownloader::loadFromUrl(const QUrl &url)
QNetworkRequest request(url);
connect(&manager, &QNetworkAccessManager::finished, this,
[this,&success] (QNetworkReply *reply) { saveImage(reply, success); });
connect(&manager, &QNetworkAccessManager::finished, &loop, &QEventLoop::quit);
QNetworkReply *reply = manager.get(request);
while (reply->isRunning()) {
loop.processEvents();
sleep(1);
}
loop.exec();
delete reply;
}
return success;