/* 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Modified by the GTK+ Team and others 1997-1999.  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_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_TYPE_SPIN_BUTTON                  (gtk_spin_button_get_type ())
#define GTK_SPIN_BUTTON(obj)                  (GTK_CHECK_CAST ((obj), GTK_TYPE_SPIN_BUTTON, GtkSpinButton))
#define GTK_SPIN_BUTTON_CLASS(klass)          (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_SPIN_BUTTON, GtkSpinButtonClass))
#define GTK_IS_SPIN_BUTTON(obj)               (GTK_CHECK_TYPE ((obj), GTK_TYPE_SPIN_BUTTON))
#define GTK_IS_SPIN_BUTTON_CLASS(klass)       (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SPIN_BUTTON))
#define GTK_SPIN_BUTTON_GET_CLASS(obj)        (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_SPIN_BUTTON, GtkSpinButtonClass))

#define INPUT_ERROR -1

typedef enum
{
  GTK_UPDATE_ALWAYS,
  GTK_UPDATE_IF_VALID
} GtkSpinButtonUpdatePolicy;

typedef enum
{
  GTK_SPIN_STEP_FORWARD,
  GTK_SPIN_STEP_BACKWARD,
  GTK_SPIN_PAGE_FORWARD,
  GTK_SPIN_PAGE_BACKWARD,
  GTK_SPIN_HOME,
  GTK_SPIN_END,
  GTK_SPIN_USER_DEFINED
} GtkSpinType;


typedef struct _GtkSpinButton	    GtkSpinButton;
typedef struct _GtkSpinButtonClass  GtkSpinButtonClass;


struct _GtkSpinButton
{
  GtkEntry entry;
  
  GtkAdjustment *adjustment;
  
  GdkWindow *panel;
  GtkShadowType shadow_type;
  
  guint32 timer;
  guint32 ev_time;
  
  gfloat climb_rate;
  gfloat timer_step;
  
  GtkSpinButtonUpdatePolicy 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;
  guint wrap : 1;
  guint snap_to_ticks : 1;
};

struct _GtkSpinButtonClass
{
  GtkEntryClass parent_class;

  gint (*input)  (GtkSpinButton *spin_button,
		  gfloat        *new_value);
  gint (*output) (GtkSpinButton *spin_button);
};


GtkType		gtk_spin_button_get_type	   (void);

void		gtk_spin_button_configure	   (GtkSpinButton  *spin_button,
						    GtkAdjustment  *adjustment,
						    gfloat	    climb_rate,
						    guint	    digits);

GtkWidget*	gtk_spin_button_new		   (GtkAdjustment  *adjustment,
						    gfloat	    climb_rate,
						    guint	    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,
						    guint	    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,
						    gboolean	    numeric);

void		gtk_spin_button_spin		   (GtkSpinButton  *spin_button,
						    GtkSpinType     direction,
						    gfloat	    increment);

void		gtk_spin_button_set_wrap	   (GtkSpinButton  *spin_button,
						    gboolean	    wrap);

void		gtk_spin_button_set_shadow_type	   (GtkSpinButton  *spin_button,
						    GtkShadowType   shadow_type);

void		gtk_spin_button_set_snap_to_ticks  (GtkSpinButton  *spin_button,
						    gboolean	    snap_to_ticks);
void            gtk_spin_button_update             (GtkSpinButton  *spin_button);



#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GTK_SPIN_BUTTON_H__ */
