diff options
Diffstat (limited to 'src/widgets/dialogs/qfiledialog.cpp')
-rw-r--r-- | src/widgets/dialogs/qfiledialog.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/widgets/dialogs/qfiledialog.cpp b/src/widgets/dialogs/qfiledialog.cpp index 814a203d1c..fc360d8381 100644 --- a/src/widgets/dialogs/qfiledialog.cpp +++ b/src/widgets/dialogs/qfiledialog.cpp @@ -700,12 +700,14 @@ void QFileDialogPrivate::emitFilesSelected(const QStringList &files) bool QFileDialogPrivate::canBeNativeDialog() const { - Q_Q(const QFileDialog); + // Don't use Q_Q here! This function is called from ~QDialog, + // so Q_Q calling q_func() invokes undefined behavior (invalid cast in q_func()). + const QDialog * const q = static_cast<const QDialog*>(q_ptr); if (nativeDialogInUse) return true; if (QCoreApplication::testAttribute(Qt::AA_DontUseNativeDialogs) || q->testAttribute(Qt::WA_DontShowOnScreen) - || (q->options() & QFileDialog::DontUseNativeDialog)) { + || (options->options() & QFileDialog::DontUseNativeDialog)) { return false; } |