Abstract/MIDIButtons.hpp

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#pragma once
 
#include <AH/Hardware/Button.hpp>
#include <Def/Def.hpp>
#include <MIDI_Outputs/Abstract/MIDIOutputElement.hpp>
 
BEGIN_CS_NAMESPACE
 
template <class Sender, uint8_t NumButtons>
class MIDIButtons : public MIDIOutputElement {
  protected:
    MIDIButtons(const Array<AH::Button, NumButtons> &buttons,
                const MIDIAddress &baseAddress,
                const RelativeMIDIAddress &incrementAddress,
                const Sender &sender)
        : buttons{buttons}, baseAddress(baseAddress),
          incrementAddress(incrementAddress), sender{sender} {}
 
  public:
    void begin() final override {
        for (auto &button : buttons)
            button.begin();
    }
    void update() final override {
        MIDIAddress address = baseAddress;
        for (auto &button : buttons) {
            AH::Button::State state = button.update();
            if (state == AH::Button::Falling) {
                sender.sendOn(address);
            } else if (state == AH::Button::Rising) {
                sender.sendOff(address);
            }
            address += incrementAddress;
        }
    }
 
    AH::Button::State getButtonState(size_t index) const {
        return buttons[index].getState();
    }
 
#ifdef AH_INDIVIDUAL_BUTTON_INVERT
    void invert() {
        for (auto &button : buttons)
            button.invert();
    }
#endif
 
  private:
    Array<AH::Button, NumButtons> buttons;
    const MIDIAddress baseAddress;
    const RelativeMIDIAddress incrementAddress;
 
  public:
    Sender sender;
};
 
END_CS_NAMESPACE