Method TitleBar

src/gui/TitleBar.cpp:102–470

}

TitleBar::TitleBar(QWidget* parent)
    : QWidget(parent)
{
    AetherSDR::theme::setContainer(this, QStringLiteral("titlebar"));
    setFixedHeight(32);
    AetherSDR::ThemeManager::instance().applyStyleSheet(this, "TitleBar { background: {{color.background.0}}; border-bottom: 1px solid {{color.background.1}}; }");

    m_hbox = new QHBoxLayout(this);
    m_hbox->setContentsMargins(4, 2, 8, 2);
    m_hbox->setSpacing(6);

    auto makeDragGutter = [this]() {
        auto* gutter = new QWidget(this);
        gutter->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
        gutter->setMinimumWidth(0);
        markDragHandle(gutter);
        return gutter;
    };

    // Keep the identity/status cluster anchored on the left, immediately after
    // the menu bar once it is inserted via setMenuBar().

    // ── Heartbeat indicator ─────────────────────────────────────────────────
    m_heartbeat = new QLabel;
    m_heartbeat->setFixedSize(10, 10);
    AetherSDR::ThemeManager::instance().applyStyleSheet(m_heartbeat, "QLabel { background: {{color.background.2}}; border-radius: 5px; }");
    m_heartbeat->setToolTip("Radio discovery heartbeat");
    m_heartbeat->setAccessibleName("Radio heartbeat");
    m_heartbeat->setAccessibleDescription("Flashes green when radio discovery packets are received");
    markDragHandle(m_heartbeat);

    // 100ms timer to return green flash back to grey
    m_heartbeatOffTimer = new QTimer(this);
    m_heartbeatOffTimer->setSingleShot(true);
    m_heartbeatOffTimer->setInterval(100);
    connect(m_heartbeatOffTimer, &QTimer::timeout, this, [this]() {
        AetherSDR::ThemeManager::instance().applyStyleSheet(m_heartbeat, "QLabel { background: {{color.background.2}}; border-radius: 5px; }");
    });

    // 500ms alarm blink timer (red/grey alternating)
    m_heartbeatAlarmTimer = new QTimer(this);
    m_heartbeatAlarmTimer->setInterval(500);
    connect(m_heartbeatAlarmTimer, &QTimer::timeout, this, [this]() {
        m_alarmRed = !m_alarmRed;
        m_heartbeat->setStyleSheet(m_alarmRed
            ? "QLabel { background: #cc2020; border-radius: 5px; }"
            : "QLabel { background: #404858; border-radius: 5px; }");
    });

    // Load persisted blink preference (default: enabled)
    m_blinkEnabled = AppSettings::instance()
        .value("HeartbeatBlinkEnabled", "True").toString() == "True";

    // Right-click on the indicator to toggle blink on/off without opening a menu
    m_heartbeat->setContextMenuPolicy(Qt::CustomContextMenu);
    connect(m_heartbeat, &QWidget::customContextMenuRequested,
            this, [this](const QPoint& pos) {
        // Heap-allocate with WA_DeleteOnClose so the menu outlives this lambda.