Method update

kdevplatform/language/duchain/navigation/abstractnavigationwidget.cpp:169–245

}

void AbstractNavigationWidget::update()
{
    Q_D(AbstractNavigationWidget);

    setUpdatesEnabled(false);
    Q_ASSERT(d->m_context);

    QString html;
    {
        DUChainReadLocker lock;
        html = d->m_context->html();
    }

    if (!html.isEmpty()) {
        int scrollPos = d->m_browser->verticalScrollBar()->value();

        if (!(d->m_hints & EmbeddableWidget)) {
            // TODO: Only show that the first time, or the first few times this context is shown?
            html += QStringLiteral("<p><small>");
            if (d->m_context->linkCount() > 0) {
                html +=
                    i18n("(Hold <em>Alt</em> to show. Navigate via arrow keys, activate by pressing <em>Enter</em>)");
            } else {
                html += i18n("(Hold <em>Alt</em> to show this tooltip)");
            }
            html += QStringLiteral("</small></p>");
        }

        d->m_browser->setHtml(html);

        WidgetColorizer::convertDocumentToDarkTheme(d->m_browser->document());

        d->m_currentText = html;

        d->m_idealTextSize = QSize();

        QSize hint = sizeHint();
        if (hint.height() >= d->m_idealTextSize.height()) {
            d->m_browser->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
        } else {
            d->m_browser->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
        }

        d->m_browser->verticalScrollBar()->setValue(scrollPos);
        d->m_browser->scrollToAnchor(QStringLiteral("currentPosition"));
        d->m_browser->show();
    } else {
        d->m_browser->hide();
    }

    if (d->m_currentWidget) {
        layout()->removeWidget(d->m_currentWidget);
        d->m_currentWidget->setParent(nullptr);
    }

    d->m_currentWidget = d->m_context->widget();

    d->m_browser->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);