/***

  Olive - Non-Linear Video Editor
  Copyright (C) 2019 Olive Team

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.

***/

#ifndef UNDOSTACK_H
#define UNDOSTACK_H

#include <QUndoStack>

#include "common/define.h"

OLIVE_NAMESPACE_ENTER

class UndoStack : public QUndoStack {
public:
  /**
   * @brief A wrapper for push() that either pushes if the command has children or deletes if not
   *
   * This function takes ownership of `command`, and may delete it so it should never be accessed after this call.
   */
  void pushIfHasChildren(QUndoCommand* command);
};

OLIVE_NAMESPACE_EXIT

#endif // UNDOSTACK_H
