Method buildUI

src/gui/ClientReverbApplet.cpp:156–261

}

void ClientReverbApplet::buildUI()
{
    setStyleSheet("QWidget { background: transparent; }");

    auto* outer = new QVBoxLayout(this);
    outer->setContentsMargins(4, 4, 4, 4);
    outer->setSpacing(4);

    // Live visualisation — same algorithm as the strip's larger
    // GridBox.  Sits above the knob row so the user sees the dry
    // packet, reflections, and tail update as knobs move.
    auto* viz = new ReverbVizBox;
    m_viz = viz;
    outer->addWidget(viz);

    auto* row = new QHBoxLayout;
    row->setSpacing(4);
    row->addStretch();

    auto makeKnob = [](const QString& label) {
        auto* k = new ClientCompKnob;
        k->setLabel(label);
        k->setCenterLabelMode(true);
        k->setInlineEditEnabled(false);
        k->setFixedSize(38, 48);
        return k;
    };

    m_size = makeKnob("Size");
    m_size->setRange(0.0f, 1.0f);
    m_size->setDefault(0.5f);
    m_size->setValueFromNorm([](float n) { return n; });
    m_size->setNormFromValue([](float v) { return v; });
    m_size->setLabelFormat([](float v) {
        return QString::number(static_cast<int>(v * 100.0f + 0.5f)) + " %";
    });
    row->addWidget(m_size);

    m_decay = makeKnob("Decay");
    m_decay->setRange(0.3f, 5.0f);
    m_decay->setDefault(1.2f);
    m_decay->setValueFromNorm([](float n) {
        // Exponential 0.3 → 5.0 (~16.7x)
        return 0.3f * std::pow(5.0f / 0.3f, n);
    });
    m_decay->setNormFromValue([](float v) {
        if (v <= 0.3f) return 0.0f;
        return std::log(v / 0.3f) / std::log(5.0f / 0.3f);
    });
    m_decay->setLabelFormat([](float v) {
        return QString::number(v, 'f', 2) + " s";
    });
    row->addWidget(m_decay);

    m_damping = makeKnob("Damp");
    m_damping->setRange(0.0f, 1.0f);
    m_damping->setDefault(0.5f);
    m_damping->setValueFromNorm([](float n) { return n; });