midi_region.h

// SPDX-FileCopyrightText: © 2019-2025 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include "dsp/midi_event.h"
#include "structure/arrangement/arranger_object_owner.h"
#include "structure/arrangement/midi_control_event.h"
#include "structure/arrangement/midi_note.h"
 
namespace zrythm::structure::arrangement
{
class MidiRegion final
    : public ArrangerObject,
      public ArrangerObjectOwner<MidiNote>,
      public ArrangerObjectOwner<MidiControlEvent>
{
  Q_OBJECT
  DEFINE_ARRANGER_OBJECT_OWNER_QML_PROPERTIES (MidiRegion, midiNotes, MidiNote)
  DEFINE_ARRANGER_OBJECT_OWNER_QML_PROPERTIES (
    MidiRegion,
    midiControlEvents,
    MidiControlEvent)
  QML_ELEMENT
  QML_UNCREATABLE ("")
 
  friend class ArrangerObjectFactory;
 
public:
  MidiRegion (
    const dsp::TempoMap    &tempo_map,
    utils::IObjectRegistry &object_registry,
    QObject *               parent = nullptr);
 
  // ========================================================================
  // QML Interface
  // ========================================================================
 
  Q_SIGNAL void contentChanged ();
 
  // ========================================================================
 
  std::string get_field_name_for_serialization (const MidiNote *) const override
  {
    return "midiNotes";
  }
  std::string
  get_field_name_for_serialization (const MidiControlEvent *) const override
  {
    return "midiControlEvents";
  }
 
  std::vector<ArrangerObjectListModel *> get_child_list_models () const override
  {
    return {
      ArrangerObjectOwner<MidiNote>::get_model (),
      ArrangerObjectOwner<MidiControlEvent>::get_model (),
    };
  }
 
private:
  friend void init_from (
    MidiRegion            &obj,
    const MidiRegion      &other,
    utils::ObjectCloneType clone_type);
 
  friend void to_json (nlohmann::json &j, const MidiRegion &region)
  {
    to_json (j, static_cast<const ArrangerObject &> (region));
    to_json (j, static_cast<const ArrangerObjectOwner<MidiNote> &> (region));
    to_json (
      j, static_cast<const ArrangerObjectOwner<MidiControlEvent> &> (region));
  }
  friend void from_json (const nlohmann::json &j, MidiRegion &region)
  {
    from_json (j, static_cast<ArrangerObject &> (region));
    from_json (j, static_cast<ArrangerObjectOwner<MidiNote> &> (region));
    from_json (j, static_cast<ArrangerObjectOwner<MidiControlEvent> &> (region));
  }
 
private:
  BOOST_DESCRIBE_CLASS (
    MidiRegion,
    (ArrangerObject,
     ArrangerObjectOwner<MidiNote>,
     ArrangerObjectOwner<MidiControlEvent>),
    (),
    (),
    ())
};
}