/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */

/*

 * st-adjustment.h: Adjustment object

 *

 * Copyright 2008 OpenedHand

 * Copyright 2009 Intel Corporation.

 *

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

 * under the terms and conditions of the GNU Lesser General Public License,

 * version 2.1, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope 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 program. If not, see <http://www.gnu.org/licenses/>.

 */

#if !defined(ST_H_INSIDE) && !defined(ST_COMPILATION)

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

#endif

#ifndef __ST_ADJUSTMENT_H__

#define __ST_ADJUSTMENT_H__

#include <glib-object.h>

#include <clutter/clutter.h>

G_BEGIN_DECLS

#define ST_TYPE_ADJUSTMENT (st_adjustment_get_type())

G_DECLARE_DERIVABLE_TYPE (StAdjustment, st_adjustment, ST, ADJUSTMENT, GObject)

/**

 * StAdjustmentClass:

 * @changed: Class handler for the ::changed signal.

 *

 * Base class for #StAdjustment.

 */

struct _StAdjustmentClass

{

  /*< private >*/

  GObjectClass parent_class;

  /*< public >*/

  void (* changed) (StAdjustment *adjustment);

};

StAdjustment *st_adjustment_new         (gdouble       value,

                                         gdouble       lower,

                                         gdouble       upper,

                                         gdouble       step_increment,

                                         gdouble       page_increment,

                                         gdouble       page_size);

gdouble       st_adjustment_get_value   (StAdjustment *adjustment);

void          st_adjustment_set_value   (StAdjustment *adjustment,

                                         gdouble       value);

void          st_adjustment_clamp_page  (StAdjustment *adjustment,

                                         gdouble       lower,

                                         gdouble       upper);

void          st_adjustment_set_values  (StAdjustment *adjustment,

                                         gdouble       value,

                                         gdouble       lower,

                                         gdouble       upper,

                                         gdouble       step_increment,

                                         gdouble       page_increment,

                                         gdouble       page_size);

void          st_adjustment_get_values  (StAdjustment *adjustment,

                                         gdouble      *value,

                                         gdouble      *lower,

                                         gdouble      *upper,

                                         gdouble      *step_increment,

                                         gdouble      *page_increment,

                                         gdouble      *page_size);

void          st_adjustment_adjust_for_scroll_event (StAdjustment *adjustment,

                                                     gdouble       delta);

G_END_DECLS

#endif /* __ST_ADJUSTMENT_H__ */