m_controlButton->setIcon(QIcon::fromTheme(QStringLiteral("application-menu")));
m_controlButton->setToolTip(i18nc("@action", "Show menu"));
m_controlButton->setAttribute(Qt::WidgetAttribute::WA_CustomWhatsThis);
m_controlButton->setIcon(QIcon::fromTheme(QStringLiteral("application-menu")));
m_controlButton->setToolTip(i18nc("@action", "Show menu"));
m_controlButton->setAttribute(Qt::WidgetAttribute::WA_CustomWhatsThis);