/* GTK - The GIMP Toolkit

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

 * Copyright (C) 2001 Red Hat, Inc.

 *

 * 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/.

 */

#include "config.h"

#include "gtkscrollbar.h"

#include "gtkintl.h"

#include "gtkprivate.h"

#include "gtkalias.h"

static void gtk_scrollbar_style_set (GtkWidget *widget,

                                     GtkStyle  *previous);

G_DEFINE_ABSTRACT_TYPE (GtkScrollbar, gtk_scrollbar, GTK_TYPE_RANGE)

static void

gtk_scrollbar_class_init (GtkScrollbarClass *class)

{

  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);

  widget_class->style_set = gtk_scrollbar_style_set;

  GTK_RANGE_CLASS (class)->stepper_detail = "Xscrollbar";

  gtk_widget_class_install_style_property (widget_class,

					   g_param_spec_int ("min-slider-length",

							     P_("Minimum Slider Length"),

							     P_("Minimum length of scrollbar slider"),

							     0,

							     G_MAXINT,

							     21,

							     GTK_PARAM_READABLE));

  gtk_widget_class_install_style_property (widget_class,

					   g_param_spec_boolean ("fixed-slider-length",

                                                                 P_("Fixed slider size"),

                                                                 P_("Don't change slider size, just lock it to the minimum length"),

                                                                 FALSE,

                                                                 GTK_PARAM_READABLE));

  gtk_widget_class_install_style_property (widget_class,

					   g_param_spec_boolean ("has-backward-stepper",

                                                                 P_("Backward stepper"),

                                                                 P_("Display the standard backward arrow button"),

                                                                 TRUE,

                                                                 GTK_PARAM_READABLE));

  gtk_widget_class_install_style_property (widget_class,

                                           g_param_spec_boolean ("has-forward-stepper",

                                                                 P_("Forward stepper"),

                                                                 P_("Display the standard forward arrow button"),

                                                                 TRUE,

                                                                 GTK_PARAM_READABLE));

  gtk_widget_class_install_style_property (widget_class,

					   g_param_spec_boolean ("has-secondary-backward-stepper",

                                                                 P_("Secondary backward stepper"),

                                                                 P_("Display a second backward arrow button on the opposite end of the scrollbar"),

                                                                 FALSE,

                                                                 GTK_PARAM_READABLE));

  gtk_widget_class_install_style_property (widget_class,

                                           g_param_spec_boolean ("has-secondary-forward-stepper",

                                                                 P_("Secondary forward stepper"),

                                                                 P_("Display a second forward arrow button on the opposite end of the scrollbar"),

                                                                 FALSE,

                                                                 GTK_PARAM_READABLE));

}

static void

gtk_scrollbar_init (GtkScrollbar *scrollbar)

{

}

static void

gtk_scrollbar_style_set (GtkWidget *widget,

                         GtkStyle  *previous)

{

  GtkRange *range = GTK_RANGE (widget);

  gint slider_length;

  gboolean fixed_size;

  gboolean has_a, has_b, has_c, has_d;

  gtk_widget_style_get (widget,

                        "min-slider-length", &slider_length,

                        "fixed-slider-length", &fixed_size,

                        "has-backward-stepper", &has_a,

                        "has-secondary-forward-stepper", &has_b,

                        "has-secondary-backward-stepper", &has_c,

                        "has-forward-stepper", &has_d,

                        NULL);

  range->min_slider_size = slider_length;

  range->slider_size_fixed = fixed_size;

  range->has_stepper_a = has_a;

  range->has_stepper_b = has_b;

  range->has_stepper_c = has_c;

  range->has_stepper_d = has_d;

  GTK_WIDGET_CLASS (gtk_scrollbar_parent_class)->style_set (widget, previous);

}

#if 0

/**

 * gtk_scrollbar_new:

 * @orientation: the scrollbar's orientation.

 * @adjustment: (allow-none): the #GtkAdjustment to use, or %NULL to create a new adjustment.

 *

 * Creates a new scrollbar with the given orientation.

 *

 * Return value:  the new #GtkScrollbar.

 *

 * Since: 2.16

 **/

GtkWidget *

gtk_scrollbar_new (GtkOrientation  orientation,

                   GtkAdjustment  *adjustment)

{

  g_return_val_if_fail (adjustment == NULL || GTK_IS_ADJUSTMENT (adjustment),

                        NULL);

  return g_object_new (GTK_TYPE_SCROLLBAR,

                       "orientation", orientation,

                       "adjustment",  adjustment,

                       NULL);

}

#endif

#define __GTK_SCROLLBAR_C__

#include "gtkaliasdef.c"