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  1. Qt
  2. QTBUG-58167

QFileDialogPrivate crashes on QEvent::LanguageChange event

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P1: Critical P1: Critical
    • None
    • 5.7.0, 5.7.1
    • Core: Plugins, Widgets: Widgets and Dialogs
    • None
    • Manjaro KDE See export.txt

      QFileDialog crashes on QEvent::LanguageChange event. I've created simple example to reproduce this issue:

      void Dialog::setOpenFileNames()
{
    QEvent e(QEvent::LanguageChange);
    qApp->sendEvent(qApp, &e);
    const QFileDialog::Options options = QFlag(fileDialogOptionsWidget->value());
    QString selectedFilter;
    QStringList files = QFileDialog::getOpenFileNames(
                                this, tr("QFileDialog::getOpenFileNames()"),
                                openFilesPath,
                                tr("All Files (*);;Text Files (*.txt)"),
                                &selectedFilter,
                                options);
    if (files.count()) {
        openFilesPath = files[0];
        openFileNamesLabel->setText(QString("[%1]").arg(files.join(", ")));
    }
}

      This happens only under KDE. If I change QT_QPA_PLATFORMTHEME to gtk3 all works fine.

        1. backtrace.txt
          4 kB
        2. export.txt
          2 kB
        3. main.cpp
          0.7 kB
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            qt.team.quick.subscriptions Qt Quick and Widgets Team
            trialuser02 Ilya Kotov
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              Created:
              Updated:
              Resolved:

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