gtk/gtk/gtkscrollbar.c
Johan Dahlin fe85272112 [annotations] Add allow-none
This commit was created using a script that searched for all docstrings
containing a parameter and the string 'or %NULL'.
Gdk backends and demos excluded as they are not part of a public API

https://bugzilla.gnome.org/show_bug.cgi?id=610474
2010-02-19 17:57:51 -02:00

157 lines
6.1 KiB
C

/* 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"