automation_point.h

// SPDX-FileCopyrightText: © 2018-2022, 2024-2025 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include "dsp/curve.h"
#include "structure/arrangement/arranger_object.h"
#include "utils/icloneable.h"
 
namespace zrythm::structure::arrangement
{
class AutomationPoint final : public ArrangerObject
{
  Q_OBJECT
  Q_PROPERTY (float value READ value WRITE setValue NOTIFY valueChanged)
  Q_PROPERTY (dsp::CurveOptionsQmlAdapter * curveOpts READ curveOpts CONSTANT)
  QML_ELEMENT
  QML_UNCREATABLE ("")
 
public:
  AutomationPoint (
    const dsp::TempoMapWrapper &tempo_map_wrapper,
    QObject *                   parent = nullptr);
  Q_DISABLE_COPY_MOVE (AutomationPoint)
  ~AutomationPoint () override;
 
  dsp::ContentPosition * position () const override
  {
    return qobject_cast<dsp::ContentPosition *> (ArrangerObject::position ());
  }
 
  // ========================================================================
  // QML Interface
  // ========================================================================
 
  float value () const { return normalized_value_; }
  void  setValue (float dval)
  {
    const auto val = dval;
    if (qFuzzyCompare (normalized_value_, val))
      return;
 
    normalized_value_ = val;
    Q_EMIT valueChanged (dval);
  }
  Q_SIGNAL void valueChanged (float);
 
  dsp::CurveOptionsQmlAdapter * curveOpts () const
  {
    return curve_opts_adapter_.get ();
  }
 
  // ========================================================================
 
private:
  friend void init_from (
    AutomationPoint       &obj,
    const AutomationPoint &other,
    utils::ObjectCloneType clone_type);
 
  static constexpr auto kNormalizedValueKey = "normalizedValue"sv;
  static constexpr auto kCurveOptionsKey = "curveOptions"sv;
  friend void to_json (nlohmann::json &j, const AutomationPoint &point);
  friend void from_json (const nlohmann::json &j, AutomationPoint &point);
 
private:
  float normalized_value_ = 0.f;
 
  dsp::CurveOptions                                    curve_opts_;
  utils::QObjectUniquePtr<dsp::CurveOptionsQmlAdapter> curve_opts_adapter_;
 
  BOOST_DESCRIBE_CLASS (
    AutomationPoint,
    (ArrangerObject),
    (),
    (),
    (normalized_value_, curve_opts_))
};
 
} // namespace zrythm::structure::arrangement