Method registerMidiParams

src/gui/MainWindow_Controllers.cpp:1692–2196

#ifdef HAVE_MIDI
void MainWindow::registerMidiParams()
{
    using P = MidiParamType;
    // Setters/getters stored on MainWindow for main-thread dispatch (#502).
    // MidiControlManager gets metadata only (no lambdas that capture main-thread objects).
    auto reg = [this](const char* id, const char* name, const char* cat,
                      MidiParamType type, float lo, float hi,
                      std::function<void(float)> setter,
                      std::function<float()> getter = {}) {
        m_midiSetters[id] = setter;
        if (getter) m_midiGetters[id] = getter;
        m_midiControl->registerParam({id, name, cat, type, lo, hi, std::move(setter), std::move(getter)});
    };

    // ── RX ──────────────────────────────────────────────────────────────
    reg("rx.afGain", "AF Gain", "RX", P::Slider, 0, 200,
        [this](float v) { if (auto* s = activeSlice()) s->setAudioGain(v); },
        [this]() -> float { auto* s = activeSlice(); return s ? s->audioGain() : 0; });

    reg("rx.squelch", "Squelch Level", "RX", P::Slider, 0, 100,
        [this](float v) {
            if (auto* s = activeSlice()) {
                s->setSquelch(s->receiveSquelchOn(), static_cast<int>(v));
            }
        },
        [this]() -> float {
            auto* s = activeSlice();
            return s ? s->receiveSquelchLevel() : 0;
        });

    reg("rx.agcThreshold", "AGC Threshold", "RX", P::Slider, 0, 100,
        [this](float v) {
            if (auto* s = activeSlice()) {
                s->setAgcThreshold(controllerValueToAgcThreshold(s, v));
            }
        },
        [this]() -> float {
            return agcThresholdToControllerValue(activeSlice());
        });

    reg("rx.audioPan", "Audio Pan", "RX", P::Slider, 0, 100,
        [this](float v) { if (auto* s = activeSlice()) s->setAudioPan(static_cast<int>(v)); },
        [this]() -> float { auto* s = activeSlice(); return s ? s->audioPan() : 50; });

    reg("rx.nbEnable", "Noise Blanker", "RX", P::Toggle, 0, 1,
        [this](float v) { if (auto* s = activeSlice()) s->setNb(v > 0.5f); },
        [this]() -> float { auto* s = activeSlice(); return s && s->nbOn() ? 1 : 0; });

    reg("rx.nrEnable", "Noise Reduction", "RX", P::Toggle, 0, 1,
        [this](float v) { if (auto* s = activeSlice()) s->setNr(v > 0.5f); },
        [this]() -> float { auto* s = activeSlice(); return s && s->nrOn() ? 1 : 0; });

    reg("rx.anfEnable", "Auto Notch", "RX", P::Toggle, 0, 1,
        [this](float v) { if (auto* s = activeSlice()) s->setAnf(v > 0.5f); },
        [this]() -> float { auto* s = activeSlice(); return s && s->anfOn() ? 1 : 0; });

    reg("rx.squelchEnable", "Squelch Enable", "RX", P::Toggle, 0, 1,
        [this](float v) {