Method StripCompPanel

src/gui/StripCompPanel.cpp:66–322

} // namespace

StripCompPanel::StripCompPanel(AudioEngine* engine, QWidget* parent)
    : QWidget(parent)
    , m_audio(engine)
{
    setWindowTitle("Aetherial Compressor");
    setStyleSheet(kWindowStyle);
    resize(kDefaultWidth, kDefaultHeight);

    auto* root = new QVBoxLayout(this);
    root->setContentsMargins(8, 0, 8, 8);
    root->setSpacing(6);

    auto* titleBar = new EditorFramelessTitleBar;
    m_titleBar = titleBar;
    root->addWidget(titleBar);

    // Bypass moved to the CHAIN widget's single-click gesture — nothing
    // here in the header.

    // ── Main body: knobs column | canvas | meters | makeup/limiter ──
    {
        auto* body = new QHBoxLayout;
        body->setSpacing(8);

        // Knobs column (Ratio / Attack / Release / Knee).
        {
            auto* col = new QVBoxLayout;
            col->setSpacing(4);

            m_ratio = new ClientCompKnob;
            m_ratio->setCenterLabelMode(true);
            m_ratio->setLabel("Ratio");
            m_ratio->setRange(1.0f, 20.0f);
            m_ratio->setDefault(3.0f);
            m_ratio->setValueFromNorm([](float n) {
                // Exponential — 1:1 at 0, 20:1 at 1, with a gentle curve
                // so the middle of the knob lands near 4:1.
                return 1.0f * std::pow(20.0f, n);
            });
            m_ratio->setNormFromValue([](float v) {
                if (v <= 1.0f) return 0.0f;
                return std::log(v) / std::log(20.0f);
            });
            m_ratio->setLabelFormat([](float v) {
                return QString::number(v, 'f', 2) + " :1";
            });
            m_ratio->setFixedSize(76, 76);
            col->addWidget(m_ratio);

            m_attack = new ClientCompKnob;
            m_attack->setCenterLabelMode(true);
            m_attack->setLabel("Attack");
            m_attack->setRange(0.1f, 300.0f);
            m_attack->setDefault(20.0f);
            m_attack->setValueFromNorm([](float n) {
                return 0.1f * std::pow(3000.0f, n);  // 0.1 .. 300 ms
            });
            m_attack->setNormFromValue([](float v) {