midi_binding.hpp

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#pragma once

 
#include <algorithm>
#include <cmath>
#include <cstdint>
#include <pulp/midi/midi_control_bus.hpp>
#include <pulp/view/widgets.hpp>
 
namespace pulp::view {
 
namespace detail {
inline uint8_t to_cc_value(float normalized) {
    const float clamped = std::clamp(normalized, 0.0f, 1.0f);
    return static_cast<uint8_t>(std::lround(clamped * 127.0f));
}
} // namespace detail

inline void bind_midi_cc(Knob& knob, midi::MidiControlBus& bus, uint8_t channel, uint8_t cc) {
    knob.on_change = [&bus, channel, cc](float v) {
        bus.send_cc(channel, cc, detail::to_cc_value(v));
    };
}

inline void bind_midi_cc(Fader& fader, midi::MidiControlBus& bus, uint8_t channel, uint8_t cc) {
    fader.on_change = [&bus, channel, cc](float v) {
        bus.send_cc(channel, cc, detail::to_cc_value(v));
    };
}

inline void bind_midi_cc(RangeSlider& slider, midi::MidiControlBus& bus, uint8_t channel,
                         uint8_t cc) {
    slider.on_change = [&bus, channel, cc](float v) {
        bus.send_cc(channel, cc, detail::to_cc_value(v));
    };
}

inline void bind_midi_cc(ToggleButton& button, midi::MidiControlBus& bus, uint8_t channel,
                         uint8_t cc) {
    button.on_toggle = [&bus, channel, cc](bool on) { bus.send_cc(channel, cc, on ? 127 : 0); };
}

inline void bind_midi_cc(Toggle& toggle, midi::MidiControlBus& bus, uint8_t channel, uint8_t cc) {
    toggle.on_toggle = [&bus, channel, cc](bool on) { bus.send_cc(channel, cc, on ? 127 : 0); };
}

inline void bind_midi_note(ToggleButton& button, midi::MidiControlBus& bus, uint8_t channel,
                           uint8_t note, uint8_t velocity = 100) {
    button.on_toggle = [&bus, channel, note, velocity](bool on) {
        if (on)
            bus.send_note_on(channel, note, velocity);
        else
            bus.send_note_off(channel, note);
    };
}

inline void bind_midi_note(Toggle& toggle, midi::MidiControlBus& bus, uint8_t channel, uint8_t note,
                           uint8_t velocity = 100) {
    toggle.on_toggle = [&bus, channel, note, velocity](bool on) {
        if (on)
            bus.send_note_on(channel, note, velocity);
        else
            bus.send_note_off(channel, note);
    };
}
 
} // namespace pulp::view