/* GTK - The GIMP Toolkit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * GtkSpinButton widget for GTK+
 * Copyright (C) 1998 Lars Hamann and Stefan Jeske
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __GTK_SPIN_BUTTON_H__
#define __GTK_SPIN_BUTTON_H__


#include <gdk/gdk.h>
#include <gtk/gtkentry.h>
#include <gtk/gtkadjustment.h>


#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#define GTK_SPIN_BUTTON(obj)          GTK_CHECK_CAST (obj, gtk_spin_button_get_type (), GtkSpinButton)
#define GTK_SPIN_BUTTON_CLASS(klass)  GTK_CHECK_CLASS_CAST (klass, gtk_spin_button_get_type (), GtkSpinButtonClass)
#define GTK_IS_SPIN_BUTTON(obj)       GTK_CHECK_TYPE (obj, gtk_spin_button_get_type ())


typedef enum
{
  GTK_UPDATE_ALWAYS        = 1 << 0,
  GTK_UPDATE_IF_VALID      = 1 << 1,
  GTK_UPDATE_SNAP_TO_TICKS = 1 << 2
} GtkSpinButtonUpdatePolicy;


typedef struct _GtkSpinButton       GtkSpinButton;
typedef struct _GtkSpinButtonClass  GtkSpinButtonClass;


struct _GtkSpinButton
{
  GtkEntry entry;

  GtkAdjustment *adjustment;

  GdkWindow *panel;

  guint32 timer;

  gfloat climb_rate;
  gfloat timer_step;

  guint8 update_policy;

  guint in_child : 2;
  guint click_child : 2;
  guint button : 2;
  guint need_timer : 1;
  guint timer_calls : 3;
  guint digits : 3;
  guint numeric : 1;
};

struct _GtkSpinButtonClass
{
  GtkEntryClass parent_class;
};

guint
gtk_spin_button_get_type           (void);

void
gtk_spin_button_construct          (GtkSpinButton  *spin_button,
				    GtkAdjustment  *adjustment,
				    gfloat          climb_rate,
				    gint            digits);

GtkWidget *
gtk_spin_button_new                (GtkAdjustment  *adjustment,
				    gfloat          climb_rate,
				    gint            digits);

void 
gtk_spin_button_set_adjustment     (GtkSpinButton  *spin_button,
				    GtkAdjustment  *adjustment);

GtkAdjustment *
gtk_spin_button_get_adjustment     (GtkSpinButton  *spin_button);

void
gtk_spin_button_set_digits         (GtkSpinButton  *spin_button,
				    gint            digits);

gfloat 
gtk_spin_button_get_value_as_float (GtkSpinButton  *spin_button);

gint 
gtk_spin_button_get_value_as_int   (GtkSpinButton  *spin_button);

void 
gtk_spin_button_set_value          (GtkSpinButton  *spin_button, 
				    gfloat          value);

void
gtk_spin_button_set_update_policy  (GtkSpinButton             *spin_button,
				    GtkSpinButtonUpdatePolicy  policy);

void
gtk_spin_button_set_numeric        (GtkSpinButton  *spin_button,
				    gint            numeric);

#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GTK_SPIN_BUTTON_H__ */