/***

  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 HANDMOVABLEVIEW_H
#define HANDMOVABLEVIEW_H

#include <QGraphicsView>

#include "tool/tool.h"

OLIVE_NAMESPACE_ENTER

class HandMovableView : public QGraphicsView
{
  Q_OBJECT
public:
  HandMovableView(QWidget* parent = nullptr);

protected:
  virtual void ToolChangedEvent(Tool::Item tool){Q_UNUSED(tool)}

  bool HandPress(QMouseEvent* event);
  bool HandMove(QMouseEvent* event);
  bool HandRelease(QMouseEvent* event);

  void SetDefaultDragMode(DragMode mode);
  const DragMode& GetDefaultDragMode() const;

private:
  bool dragging_hand_;
  DragMode pre_hand_drag_mode_;

  DragMode default_drag_mode_;

private slots:
  void ApplicationToolChanged(Tool::Item tool);

};

OLIVE_NAMESPACE_EXIT

#endif // HANDMOVABLEVIEW_H