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fix: dangling reference crash in FreeSpaceLabel (#1604)

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Charles Kerr 2021-01-24 22:20:21 -06:00 committed by GitHub
parent 270a937909
commit 090a4b5ff8
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 14 deletions
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36
qt/FreeSpaceLabel.cc
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@ -73,29 +73,37 @@ void FreeSpaceLabel::onTimer()
auto* q = new RpcQueue(); auto* q = new RpcQueue();
auto* alive = new bool(true);
connect(this, &QObject::destroyed, [alive] { *alive = false; });
q->add([this, &args]() q->add([this, &args]()
{ {
return session_->exec("free-space", &args); return session_->exec("free-space", &args);
}); });
q->add([this](RpcResponse const& r) q->add([this, alive](RpcResponse const& r)
{ {
// update the label if (*alive)
auto const bytes = dictFind<int64_t>(r.args.get(), TR_KEY_size_bytes);
if (bytes && *bytes > 1)
{ {
setText(tr("%1 free").arg(Formatter::get().sizeToString(*bytes))); // update the label
} auto const bytes = dictFind<int64_t>(r.args.get(), TR_KEY_size_bytes);
else if (bytes && *bytes > 1)
{ {
setText(QString()); setText(tr("%1 free").arg(Formatter::get().sizeToString(*bytes)));
}
else
{
clear();
}
// update the tooltip
auto const path = dictFind<QString>(r.args.get(), TR_KEY_path);
setToolTip(QDir::toNativeSeparators(path ? *path : QString()));
timer_.start();
} }
// update the tooltip delete alive;
auto const path = dictFind<QString>(r.args.get(), TR_KEY_path);
setToolTip(QDir::toNativeSeparators(path ? *path : QString()));
timer_.start();
}); });
q->run(); q->run();