/* ui-gtk.h
**
** Description: 
**
** Created by: William M. Perry
** Copyright (c) 2000 Aventail Corporation
**
** This file is part of XEmacs.
**
** XEmacs 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.
**
** XEmacs 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 XEmacs; see the file COPYING.  If not, write to
** the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
** Boston, MA 02110-1301, USA.  */

#ifndef __UI_GTK_H__
#define __UI_GTK_H__

/* Encapsulate a foreign function call */

#include "sysgtk.h"
#include "sysdll.h"

typedef void (*ffi_actual_function) (void);
typedef void (*ffi_marshalling_function) (ffi_actual_function, GtkArg *);

#define MAX_GTK_ARGS 100

typedef struct {
  NORMAL_LISP_OBJECT_HEADER header;
  GtkType return_type;
  GtkType args[MAX_GTK_ARGS];
  gint n_args;
  Lisp_Object function_name;
  dll_func function_ptr;
  ffi_marshalling_function marshal;
} emacs_ffi_data;

DECLARE_LISP_OBJECT (emacs_ffi, emacs_ffi_data);

#define XFFI(x) XRECORD (x, emacs_ffi, emacs_ffi_data)
#define wrap_emacs_ffi(p) wrap_record (p, emacs_ffi)
#define FFIP(x) RECORDP (x, emacs_ffi)
#define CHECK_FFI(x) CHECK_RECORD (x, emacs_ffi)

/* Encapsulate a GtkObject in Lisp */
typedef struct {
  NORMAL_LISP_OBJECT_HEADER header;
  gboolean alive_p;
  GtkObject *object;
  Lisp_Object plist;
} emacs_gtk_object_data;

DECLARE_LISP_OBJECT (emacs_gtk_object, emacs_gtk_object_data);

#define XGTK_OBJECT(x) XRECORD (x, emacs_gtk_object, emacs_gtk_object_data)
#define wrap_emacs_gtk_object(p) wrap_record (p, emacs_gtk_object)
#define GTK_OBJECTP(x) RECORDP (x, emacs_gtk_object)
#define CHECK_GTK_OBJECT(x) CHECK_RECORD (x, emacs_gtk_object)

extern Lisp_Object build_gtk_object (GtkObject *obj);

/* Encapsulate a GTK_TYPE_BOXED in lisp */
typedef struct {
  NORMAL_LISP_OBJECT_HEADER header;
  GtkType object_type;
  void *object;
} emacs_gtk_boxed_data;

DECLARE_LISP_OBJECT (emacs_gtk_boxed, emacs_gtk_boxed_data);

#define XGTK_BOXED(x) XRECORD (x, emacs_gtk_boxed, emacs_gtk_boxed_data)
#define wrap_emacs_gtk_boxed(p) wrap_record (p, emacs_gtk_boxed)
#define GTK_BOXEDP(x) RECORDP (x, emacs_gtk_boxed)
#define CHECK_GTK_BOXED(x) CHECK_RECORD (x, emacs_gtk_boxed)

extern Lisp_Object build_gtk_boxed (void *obj, GtkType t);

#endif /* __UI_GTK_H__ */