Method outputFilter

plugins/standardoutputview/outputwidget.cpp:712–744

}

void OutputWidget::outputFilter(const QString& filter)
{
    auto *view = qobject_cast<QAbstractItemView*>(currentWidget());
    if( !view )
        return;

    auto fvIt = findFilteredView(view);
    auto proxyModel = qobject_cast<QSortFilterProxyModel*>(view->model());
    if( !proxyModel )
    {
        // create new proxy model and make view it's parent. This allows us destroy view and
        // it's model with "one shot" (see removeOutput() method).
        fvIt->proxyModel = proxyModel = new QSortFilterProxyModel(view);
        proxyModel->setDynamicSortFilter(true);
        proxyModel->setSourceModel(view->model());
        view->setModel(proxyModel);
    }

    // Don't capture anything as the captures are not used anyway.
    QRegularExpression regex(filter, QRegularExpression::CaseInsensitiveOption | QRegularExpression::DontCaptureOption);
    fvIt->filter = regex; // store away the original regex to be restored when the current tab/widget changes

    if (!regex.isValid()) {
        // Setting an invalid regex as the model filter hides all output as expected, but also causes runtime warnings:
        // "QString::contains: invalid QRegularExpression object".
        // Set a valid regex that matches nothing to hide all output and avoid the warnings.
        static const QRegularExpression matchNothing(QStringLiteral("$z"));
        regex = matchNothing;
    }
    proxyModel->setFilterRegularExpression(regex);

    updateFilterInputAppearance(constIterator(fvIt));
}

void OutputWidget::updateFilter(int index)
{