/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            scrollbar.h
 *
 *  Sun Apr 14 12:54:58 CEST 2013
 *  Copyright 2013 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of DrumGizmo.
 *
 *  DrumGizmo 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 2 of the License, or
 *  (at your option) any later version.
 *
 *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#ifndef __DRUMGIZMO_SCROLLBAR_H__
#define __DRUMGIZMO_SCROLLBAR_H__

#include "widget.h"
#include "image.h"

namespace GUI {

class ScrollBar : public Widget {
public:
  ScrollBar(Widget *parent);

  bool catchMouse() { return true; }

  void setRange(int range);
  int range();

  void setMaximum(int max);
  int maximum();

  void setValue(int value);
  int value();

  void registerValueChangeHandler(void (*handler)(void *), void *ptr);

  void repaintEvent(RepaintEvent *e);
  void scrollEvent(ScrollEvent *e);
  void buttonEvent(ButtonEvent *e);
  void mouseMoveEvent(MouseMoveEvent *e);

private:
  int max;
  int val;
  int ran;

  int yoffset;
  int value_offset;
  bool dragging;

  Image bg_img;

  void (*handler)(void *);
  void *ptr;
};

};


#endif/*__DRUMGIZMO_SCROLLBAR_H__*/