unatgraph.hpp

/* ==================================================== ======== ======= *
 *
 *  unatgraph.hpp  [Native Layer: platform dependent implementation]
 *  Ubit Project
 *  Part of the Ubit Toolkit: A Brick Construction Game Model for Creating GUIs
 *  (C) 1999-2006 Eric Lecolinet / ENST Paris / http://www.enst.fr/~elc/ubit
 *
 * ***********************************************************************
 * COPYRIGHT NOTICE : 
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY AND WITHOUT EVEN THE 
 * IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. 
 * 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.
 * SEE FILES 'COPYRIGHT' AND 'COPYING' FOR MORE DETAILS.
 * ***********************************************************************
 * ==================================================== [(c)Elc] ======= *
 * ==================================================== ======== ======= */

#ifndef _unatgraph_hpp_
#define _unatgraph_hpp_
//pragma ident  "@(#)unatgraph.hpp      ubit:05.05.00"

#ifdef WITH_GDK           // - - - GDK - - - - - - - - - - - - - - - - -

#include <gdk/gdk.h>
#define USysNull       NULL
typedef GdkEvent*      USysEvent;        // also in uevent.hpp
typedef guint          USysKeyCode;
typedef GdkAtom        USysAtom;
typedef GdkDisplay*    USysDisp;
typedef GdkScreen*     USysScreen;
typedef GdkVisual*     USysVisual;
typedef GdkColormap*   USysColormap;
typedef GdkWindow*     USysWin;
typedef GdkPoint       USysPoint;
typedef GdkRectangle   USysRect;
typedef GdkGC*         USysGC;
typedef GdkColor       USysColor;
typedef guint32        USysPixel;
typedef GdkFont*       USysFont;
typedef GdkCursor*     USysCursor;
typedef GdkImage*      USysIma;
typedef GdkPixmap*     USysPix;

#else                   // - - - Xlib - - - - - - - - - - - - - - - - -

#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#define USysNull       None
typedef XEvent*        USysEvent;        // also in uevent.hpp
typedef KeySym         USysKeyCode;
typedef Atom           USysAtom;
typedef Display*       USysDisp;
typedef Screen*        USysScreen;
typedef Visual*        USysVisual;
typedef Colormap       USysColormap;
typedef Window         USysWin;
typedef XPoint         USysPoint;
typedef XRectangle     USysRect;
typedef GC             USysGC;
typedef XColor         USysColor;
typedef unsigned long  USysPixel;
typedef XFontStruct*   USysFont;
typedef Cursor         USysCursor;
typedef XImage*        USysIma;
typedef Pixmap         USysPix;
#endif

#ifdef HAVE_GL    // - - - GL - - - - - - - - - - - - - - - - - - -
# include <GL/gl.h>
# include <GL/glu.h>
# include <GL/glx.h>
#endif

#include <ubit/udefs.hpp>
namespace ubit {

/* ==================================================== ===== ======= */
struct UNatGraph {
  UNatGraph(UNatDisp&);
  void reset();
  
  void setGLColor(USysPixel);
  void setGLColor(USysPixel, unsigned char alpha);
  
  USysGC gc;    // note: not used in gl_mode
  USysDisp sys_disp;
  USysPixel color, bgcolor;
  UNatFont* font;
  short font_styles;
  float width;
  bool xor_mode;
  UNatDisp& natdisp;
};

/* ==================================================== ===== ======= */
// OBSOLETE
// {
//    UXtry xtry;
//    xDoTrucQuiPlante();
//    if (!xtry.status()) doOnError();
// }

#ifdef WITH_GDK 
struct UXtry { };   // A REVOIR!!!!
#else
struct UXtry {
  //NB: pas vraiment thread-safe car xerror doit etre static
  //(mais pas tres grave, le but 1er etant d'eviter des exit intempestifs)
  static int xerror;
  XErrorHandler xhandler;
  static int quietErrorHandler(Display*, XErrorEvent*);
  UXtry();
  ~UXtry();
  bool status();
};
#endif

}
#endif
/* ==================================================== [TheEnd] ======= */
/* ==================================================== [(c)Elc] ======= */

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