Method buildDisplayTab

src/gui/DxClusterDialog.cpp:1991–2686

}

void DxClusterDialog::buildDisplayTab(QTabWidget* tabs)
{
    auto* page = new QWidget;
    auto* layout = new QVBoxLayout(page);
    layout->setSpacing(8);

    auto& s = AppSettings::instance();
    bool spotsEnabled     = s.value("IsSpotsEnabled", "True").toString() == "True";
    bool passiveSpots     = SpotCommandPolicy::passiveModeFromSetting(
                                s.value(SpotCommandPolicy::kPassiveSpotsModeKey, "False"));
    bool memoriesEnabled  = s.value("IsMemorySpotsEnabled", "False").toString() == "True";
    bool autoMode         = s.value("SpotAutoSwitchMode", "True").toString() == "True";
    bool sHistorySignals  = s.value("SHistoryMarkersEnabled", "False").toString() == "True";
    bool sHistoryQrm      = s.value("SHistoryQrmEnabled", "False").toString() == "True";
    bool overrideColors   = s.value("IsSpotsOverrideColorsEnabled", "False").toString() == "True";
    bool overrideBg       = s.value("IsSpotsOverrideBackgroundColorsEnabled", "True").toString() == "True";
    bool overrideBgAuto   = s.value("IsSpotsOverrideToAutoBackgroundColorEnabled", "True").toString() == "True";
    bool spotLines        = s.value("IsSpotsLinesEnabled", "True").toString() == "True";
    int levels            = s.value("SpotsMaxLevel", 3).toInt();
    int position          = s.value("SpotsStartingHeightPercentage", 50).toInt();
    int fontSize          = s.value("SpotFontSize", 16).toInt();
    int lifetimeSec       = s.value("DxClusterSpotLifetimeSec", 0).toInt();
    if (lifetimeSec <= 0)
        lifetimeSec = s.value("DxClusterSpotLifetime", 30).toInt() * 60;
    QColor spotColor(s.value("SpotsOverrideColor", "#FFFF00").toString());
    QColor bgColor(s.value("SpotsOverrideBgColor", "#000000").toString());
    int bgOpacity         = s.value("SpotsBackgroundOpacity", 48).toInt();

    auto* grid = new QGridLayout;
    grid->setColumnStretch(1, 1);
    int row = 0;

    auto save = [this](const QString& key, const QVariant& val) {
        auto& s = AppSettings::instance();
        s.setValue(key, val);
        s.save();
        emit settingsChanged();
    };

    auto updateSwatch = [](QPushButton* btn, const QColor& color) {
        btn->setStyleSheet(QString(
            "QPushButton { background: %1; border: 2px solid #405060; border-radius: 3px; }"
            "QPushButton:hover { border-color: #c8d8e8; }").arg(color.name()));
    };

    // ── Compact toggle cluster: Spots / Passive / Memories / Auto ─────
    // One row of name-on-button toggles replaces four label+button rows.
    // Visual state (green checked / red unchecked) carries the on/off
    // signal — no separate "Enabled"/"Disabled" text needed.
    {
        // Use the shared kSpotHubToggle style (matches VfoWidget's
        // kDspToggle) — see top of this file.
        auto makeToggle = [](const QString& label, bool checked,
                             const QString& tooltip = {}) {
            auto* btn = new QPushButton(label);
            btn->setCheckable(true);
            btn->setChecked(checked);
            btn->setFixedWidth(90);