synth.cpp

void handleNextEvent(const clap_event_header_t *nextEvent, bool is_from_ui)
    {
        if (nextEvent->space_id != CLAP_CORE_EVENT_SPACE_ID)
            return;

        switch (nextEvent->type)
        {
        case CLAP_EVENT_NOTE_OFF:
        case CLAP_EVENT_NOTE_CHOKE:
        {
            auto nevt = reinterpret_cast<const clap_event_note *>(nextEvent);
            m_synth.stopNote(nevt->port_index, nevt->channel, nevt->key, nevt->note_id,
                             nevt->velocity);
            break;
        }
        case CLAP_EVENT_NOTE_ON:
        {
            auto nevt = reinterpret_cast<const clap_event_note *>(nextEvent);
            m_synth.startNote(nevt->port_index, nevt->channel, nevt->key, nevt->note_id,
                              nevt->velocity);
            break;
        }
        case CLAP_EVENT_NOTE_EXPRESSION:
        {
            auto nexp = reinterpret_cast<const clap_event_note_expression *>(nextEvent);
            m_synth.applyNoteExpression(nexp->port_index, nexp->channel, nexp->key, nexp->note_id,
                                        nexp->expression_id, nexp->value);
            break;
        }
        case CLAP_EVENT_PARAM_VALUE:
        {
            auto pevt = reinterpret_cast<const clap_event_param_value *>(nextEvent);
            if (pevt->param_id >= 0 && pevt->param_id < numParams)
            {
                paramValues[pevt->param_id] = pevt->value;
                m_synth.applyParameter(pevt->port_index, pevt->channel, pevt->key, pevt->note_id,
                                       pevt->param_id, pevt->value);
                if (m_gui && !is_from_ui)
                {
                    UiMessage msg;
                    msg.type = CLAP_EVENT_PARAM_VALUE;
                    msg.parid = pevt->param_id;
                    msg.values[0] = pevt->value;
                    m_to_ui_fifo.push(msg);
                }
            }

            break;
        }
        case CLAP_EVENT_PARAM_MOD:
        {
            auto pevt = reinterpret_cast<const clap_event_param_mod *>(nextEvent);
            m_synth.applyParameterModulation(pevt->port_index, pevt->channel, pevt->key,
                                             pevt->note_id, pevt->param_id, pevt->amount);
            break;
        }
        default:
            break;
        }
    }