change_timebase_override_command.h

// SPDX-FileCopyrightText: © 2026 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include <optional>
 
#include "dsp/timebase.h"
 
#include <QUndoCommand>
 
namespace zrythm::commands
{

class ChangeTimebaseOverrideCommand : public QUndoCommand
{
public:
  ChangeTimebaseOverrideCommand (
    dsp::TimebaseProvider       &provider,
    std::optional<dsp::Timebase> timebase)
      : QUndoCommand (QObject::tr ("Change Timebase")), provider_ (provider),
        new_override_ (timebase)
  {
  }
 
  void undo () override
  {
    if (old_override_.has_value ())
      provider_.setOverride (*old_override_);
    else
      provider_.clearOverride ();
  }
 
  void redo () override
  {
    old_override_ = provider_.overrideValue ();
    if (new_override_.has_value ())
      provider_.setOverride (*new_override_);
    else
      provider_.clearOverride ();
  }
 
private:
  dsp::TimebaseProvider       &provider_;
  std::optional<dsp::Timebase> old_override_;
  std::optional<dsp::Timebase> new_override_;
};
 
} // namespace zrythm::commands