Method updateColorsFromView

kdevplatform/language/highlighting/colorcache.cpp:182–224

}

void ColorCache::updateColorsFromView(KTextEditor::View* view)
{
    if (!view) {
        // yeah, the HighlightInterface methods returning an Attribute
        // require a View... kill me for that mess
        return;
    }

    QColor foreground(QColor::Invalid);
    QColor background(QColor::Invalid);

    const auto style = view->defaultStyleAttribute(KSyntaxHighlighting::Theme::TextStyle::Normal);
    foreground = style->foreground().color();
    if (style->hasProperty(QTextFormat::BackgroundBrush)) {
        background = style->background().color();
    }

    if (KTextEditor::View* view = m_view.data()) {
        // we only listen to a single view, i.e. the active one
        disconnect(view, &KTextEditor::View::configChanged, this, &ColorCache::slotViewSettingsChanged);
    }
    connect(view, &KTextEditor::View::configChanged, this, &ColorCache::slotViewSettingsChanged);
    m_view = view;

    bool anyAttrChanged = false;
    if (!foreground.isValid()) {
        // fallback to colorscheme variant
        ifDebug(qCDebug(LANGUAGE) << "updating from scheme"; )
        updateColorsFromScheme();
    } else if (m_foregroundColor != foreground || m_backgroundColor != background) {
        m_foregroundColor = foreground;
        m_backgroundColor = background;
        m_defaultColors->reset(this, view);
        anyAttrChanged = true;
    }

    anyAttrChanged |= updateColorsFromTheme(view->theme());

    if (anyAttrChanged) {
        ifDebug(qCDebug(LANGUAGE) << "updating from document"; )
        update();
    }
}

bool ColorCache::updateColorsFromTheme(const KSyntaxHighlighting::Theme& theme)
{