// -*- C++ -*-
// VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.
// Copyright (C) 1999-2003 Forgotten
// Copyright (C) 2004 Forgotten and the VBA development 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 2, 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, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#ifndef __VBA_SCREENAREA_H__
#define __VBA_SCREENAREA_H__

#include <gtkmm/drawingarea.h>
#include <gdkmm/cursor.h>

#ifndef GTKMM20
# include "sigccompat.h"
#endif // ! GTKMM20

#include "filters.h"

namespace VBA
{

class ScreenArea : public Gtk::DrawingArea
{
public:
  ScreenArea(int _iWidth, int _iHeight, int _iScale = 1);
  virtual ~ScreenArea();

  void vSetSize(int _iWidth, int _iHeight);
  void vSetScale(int _iScale);
  void vSetFilter2x(EFilter2x _eFilter2x);
  void vSetFilterIB(EFilterIB _eFilterIB);
  void vDrawPixels(u8 * _puiData);
  void vDrawColor(u32 _uiColor); // 0xRRGGBB

protected:
  virtual bool on_expose_event(GdkEventExpose * _pstEvent);
  virtual bool on_motion_notify_event(GdkEventMotion * _pstEvent);
  virtual bool on_enter_notify_event(GdkEventCrossing * _pstEvent);
  virtual bool on_leave_notify_event(GdkEventCrossing * _pstEvent);
  virtual bool bOnCursorTimeout();

private:
  int      m_iWidth;
  int      m_iHeight;
  int      m_iScale;
  int      m_iAreaWidth;
  int      m_iAreaHeight;
  int      m_iRowStride;
  u32 *    m_puiPixels;
  u8 *     m_puiDelta;
  Filter2x m_vFilter2x;
  FilterIB m_vFilterIB;

  bool             m_bShowCursor;
  Gdk::Cursor *    m_poEmptyCursor;
  SigC::Connection m_oCursorSig;

  void vUpdateSize();
  void vStartCursorTimeout();
  void vStopCursorTimeout();
  void vHideCursor();
  void vShowCursor();
};

} // namespace VBA


#endif // __VBA_SCREENAREA_H__