midi_component.hpp

#pragma once
#include "component.hpp"
 
namespace bugui
{
// in message type
template <typename Device, typename Component>
struct in_message_t final
{
  using type = void;
};

template <typename Device, has_explicit_in_type Component>
struct in_message_t<Device, Component> final
{
  using type = Component;
};

template <has_in_type Device, typename Component>
  requires (!has_explicit_in_type<Component>)
struct in_message_t<Device, Component> final
{
  using type = Device;
};
 
// out message type
template <typename Device, typename Component>
struct out_message_t final
{
  using type = void;
};

template <typename Device, has_explicit_out_type Component>
struct out_message_t<Device, Component> final
{
  using type = Component;
};

template <has_out_type Device, typename Component>
  requires (!has_explicit_out_type<Component>)
struct out_message_t<Device, Component> final
{
  using type = Device;
};

template <typename Device, typename Component>
  requires
    speaks_midi<typename protocol_t<Device, Component>::type>
  struct component<Device, Component> final
{
  using color_t = color_t<Device, Component>::type;
  using protocol_t = protocol_t<Device, Component>::type;
  using in_message_t = in_message_t<Device, Component>::type;
  using out_message_t = out_message_t<Device, Component>::type;
  using init_t = init_t<Device, Component>::type;
  using clear_t = clear_t<Device, Component>::type;
};
 
}