transport_action.h

// SPDX-FileCopyrightText: © 2020-2021, 2024 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __ACTIONS_TRANSPORT_ACTION_H__
#define __ACTIONS_TRANSPORT_ACTION_H__
 
#include "gui/backend/backend/actions/undoable_action.h"
#include "utils/icloneable.h"
#include "utils/types.h"
 
namespace zrythm::gui::actions
{

class TransportAction : public QObject, public UndoableAction
{
  Q_OBJECT
  QML_ELEMENT
  DEFINE_UNDOABLE_ACTION_QML_PROPERTIES (TransportAction)
 
public:
  enum class Type
  {
    TempoChange,
    BeatsPerBarChange,
    BeatUnitChange,
  };
 
  TransportAction (QObject * parent = nullptr);

  TransportAction (
    bpm_t     bpm_before,
    bpm_t     bpm_after,
    bool      already_done,
    QObject * parent = nullptr);

  TransportAction (
    Type      type,
    int       before,
    int       after,
    bool      already_done,
    QObject * parent = nullptr);
 
  friend void init_from (
    TransportAction       &obj,
    const TransportAction &other,
    utils::ObjectCloneType clone_type);
 
  QString to_string () const override;
 
private:
  void init_loaded_impl () override { }
  void undo_impl () override;
  void perform_impl () override;
 
  bool need_update_positions_from_ticks ()
  {
    return type_ == Type::TempoChange || type_ == Type::BeatsPerBarChange;
  }
 
  void do_or_undo (bool do_it);
 
public:
  Type type_ = Type::TempoChange;
 
  bpm_t bpm_before_ = 0.0;
  bpm_t bpm_after_ = 0.0;
 
  int int_before_ = 0;
  int int_after_ = 0;

  bool already_done_ = false;

  bool musical_mode_ = false;
};
 
}; // namespace zrythm::gui::actions
 
#endif