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Guarding QTimer::singelShot operations, avoid to access dangling pointers

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This commit is contained in:
Klaus Basan
2018-04-14 23:16:55 +02:00
committed by Roland Winklmeier
parent b5ba4013dd
commit 1b8383bee1
10 changed files with 52 additions and 8 deletions
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7
src/blackgui/components/downloaddialog.cpp
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@@ -50,7 +50,12 @@ namespace BlackGui
void CDownloadDialog::showAndStartDownloading()
{
QTimer::singleShot(0, this, [ = ] { ui->comp_Download->triggerDownloadingOfFiles(2500); });
const QPointer<CDownloadDialog> guard(this);
QTimer::singleShot(0, this, [ = ]
{
if (guard.isNull()) { return; }
ui->comp_Download->triggerDownloadingOfFiles(2500);
});
this->show();
}