/* GTK - The GIMP Toolkit

 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GTK+ Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.

 */

#ifndef __GTK_ADJUSTMENT_H__

#define __GTK_ADJUSTMENT_H__

#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)

#error "Only <gtk/gtk.h> can be included directly."

#endif

#include <gdk/gdk.h>

#include <gtk/gtkobject.h>

G_BEGIN_DECLS

#define GTK_TYPE_ADJUSTMENT                  (gtk_adjustment_get_type ())

#define GTK_ADJUSTMENT(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ADJUSTMENT, GtkAdjustment))

#define GTK_ADJUSTMENT_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ADJUSTMENT, GtkAdjustmentClass))

#define GTK_IS_ADJUSTMENT(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ADJUSTMENT))

#define GTK_IS_ADJUSTMENT_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ADJUSTMENT))

#define GTK_ADJUSTMENT_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ADJUSTMENT, GtkAdjustmentClass))

typedef struct _GtkAdjustment	    GtkAdjustment;

typedef struct _GtkAdjustmentClass  GtkAdjustmentClass;

struct _GtkAdjustment

{

  GtkObject parent_instance;

  gdouble GSEAL (lower);

  gdouble GSEAL (upper);

  gdouble GSEAL (value);

  gdouble GSEAL (step_increment);

  gdouble GSEAL (page_increment);

  gdouble GSEAL (page_size);

};

struct _GtkAdjustmentClass

{

  GtkObjectClass parent_class;

  void (* changed)	 (GtkAdjustment *adjustment);

  void (* value_changed) (GtkAdjustment *adjustment);

  /* Padding for future expansion */

  void (*_gtk_reserved1) (void);

  void (*_gtk_reserved2) (void);

  void (*_gtk_reserved3) (void);

  void (*_gtk_reserved4) (void);

};

GType	   gtk_adjustment_get_type		(void) G_GNUC_CONST;

GtkObject* gtk_adjustment_new			(gdouble	  value,

						 gdouble	  lower,

						 gdouble	  upper,

						 gdouble	  step_increment,

						 gdouble	  page_increment,

						 gdouble	  page_size);

void	   gtk_adjustment_changed		(GtkAdjustment	 *adjustment);

void	   gtk_adjustment_value_changed		(GtkAdjustment	 *adjustment);

void	   gtk_adjustment_clamp_page		(GtkAdjustment	 *adjustment,

						 gdouble	  lower,

						 gdouble	  upper);

gdouble	   gtk_adjustment_get_value		(GtkAdjustment   *adjustment);

void	   gtk_adjustment_set_value		(GtkAdjustment	 *adjustment,

						 gdouble	  value);

gdouble    gtk_adjustment_get_lower             (GtkAdjustment   *adjustment);

void       gtk_adjustment_set_lower             (GtkAdjustment   *adjustment,

                                                 gdouble          lower);

gdouble    gtk_adjustment_get_upper             (GtkAdjustment   *adjustment);

void       gtk_adjustment_set_upper             (GtkAdjustment   *adjustment,

                                                 gdouble          upper);

gdouble    gtk_adjustment_get_step_increment    (GtkAdjustment   *adjustment);

void       gtk_adjustment_set_step_increment    (GtkAdjustment   *adjustment,

                                                 gdouble          step_increment);

gdouble    gtk_adjustment_get_page_increment    (GtkAdjustment   *adjustment);

void       gtk_adjustment_set_page_increment    (GtkAdjustment   *adjustment,

                                                 gdouble          page_increment);

gdouble    gtk_adjustment_get_page_size         (GtkAdjustment   *adjustment);

void       gtk_adjustment_set_page_size         (GtkAdjustment   *adjustment,

                                                 gdouble          page_size);

void       gtk_adjustment_configure             (GtkAdjustment   *adjustment,

                                                 gdouble          value,

						 gdouble          lower,

						 gdouble          upper,

						 gdouble          step_increment,

						 gdouble          page_increment,

						 gdouble          page_size);

G_END_DECLS

#endif /* __GTK_ADJUSTMENT_H__ */