Method updateToolsMenu

launcher/ui/MainWindow.cpp:1223–1315

}

void MainWindow::updateToolsMenu()
{
    QToolButton *launchButton = dynamic_cast<QToolButton*>(ui->instanceToolBar->widgetForAction(ui->actionLaunchInstance));

    bool currentInstanceRunning = m_selectedInstance && m_selectedInstance->isRunning();

    ui->actionLaunchInstance->setDisabled(!m_selectedInstance || currentInstanceRunning);
    ui->actionLaunchInstanceOffline->setDisabled(!m_selectedInstance || currentInstanceRunning);
    ui->actionLaunchInstanceDemo->setDisabled(!m_selectedInstance || currentInstanceRunning);

    QMenu *launchMenu = ui->actionLaunchInstance->menu();
    launchButton->setPopupMode(QToolButton::MenuButtonPopup);
    if (launchMenu)
    {
        launchMenu->clear();
    }
    else
    {
        launchMenu = new QMenu(this);
    }

    QAction *normalLaunch = launchMenu->addAction(tr("Launch"));
    normalLaunch->setShortcut(QKeySequence::Open);
    QAction *normalLaunchOffline = launchMenu->addAction(tr("Launch Offline"));
    normalLaunchOffline->setShortcut(QKeySequence(tr("Ctrl+Shift+O")));
    QAction *normalLaunchDemo = launchMenu->addAction(tr("Launch Demo"));
    normalLaunchDemo->setShortcut(QKeySequence(tr("Ctrl+Alt+O")));
    if (m_selectedInstance)
    {
        normalLaunch->setEnabled(m_selectedInstance->canLaunch());
        normalLaunchOffline->setEnabled(m_selectedInstance->canLaunch());
        normalLaunchDemo->setEnabled(m_selectedInstance->canLaunch());

        connect(normalLaunch, &QAction::triggered, [this]() {
            APPLICATION->launch(m_selectedInstance, true, false);
        });
        connect(normalLaunchOffline, &QAction::triggered, [this]() {
            APPLICATION->launch(m_selectedInstance, false, false);
        });
        connect(normalLaunchDemo, &QAction::triggered, [this]() {
            APPLICATION->launch(m_selectedInstance, false, true);
        });
    }
    else
    {
        normalLaunch->setDisabled(true);
        normalLaunchOffline->setDisabled(true);
        normalLaunchDemo->setDisabled(true);
    }

            // Disable demo-mode if not available.
    auto instance = dynamic_cast<MinecraftInstance*>(m_selectedInstance.get());
    if (instance) {
        normalLaunchDemo->setEnabled(instance->supportsDemo());
    }

    QString profilersTitle = tr("Profilers");
    launchMenu->addSeparator()->setText(profilersTitle);