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/*
* Copyright © 2011 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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "gtkcssstylepropertyprivate.h"
#include "gtkintl.h"
enum {
PROP_0,
PROP_ID,
PROP_INHERIT,
PROP_INITIAL
};
G_DEFINE_TYPE (GtkCssStyleProperty, _gtk_css_style_property, GTK_TYPE_STYLE_PROPERTY)
static void
gtk_css_style_property_constructed (GObject *object)
{
GtkCssStyleProperty *property = GTK_CSS_STYLE_PROPERTY (object);
GtkCssStylePropertyClass *klass = GTK_CSS_STYLE_PROPERTY_GET_CLASS (property);
property->id = klass->style_properties->len;
g_ptr_array_add (klass->style_properties, property);
G_OBJECT_CLASS (_gtk_css_style_property_parent_class)->constructed (object);
}
static void
gtk_css_style_property_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkCssStyleProperty *property = GTK_CSS_STYLE_PROPERTY (object);
const GValue *initial;
switch (prop_id)
{
case PROP_INHERIT:
property->inherit = g_value_get_boolean (value);
break;
case PROP_INITIAL:
initial = g_value_get_boxed (value);
g_assert (initial);
g_value_init (&property->initial_value, G_VALUE_TYPE (initial));
g_value_copy (initial, &property->initial_value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_css_style_property_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkCssStyleProperty *property = GTK_CSS_STYLE_PROPERTY (object);
switch (prop_id)
{
case PROP_ID:
g_value_set_boolean (value, property->id);
break;
case PROP_INHERIT:
g_value_set_boolean (value, property->inherit);
break;
case PROP_INITIAL:
g_value_set_boxed (value, &property->initial_value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
_gtk_css_style_property_class_init (GtkCssStylePropertyClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gtk_css_style_property_constructed;
object_class->set_property = gtk_css_style_property_set_property;
object_class->get_property = gtk_css_style_property_get_property;
g_object_class_install_property (object_class,
PROP_ID,
g_param_spec_uint ("id",
P_("ID"),
P_("The numeric id for quick access"),
0, G_MAXUINT, 0,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_INHERIT,
g_param_spec_boolean ("inherit",
P_("Inherit"),
P_("Set if the value is inherited by default"),
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class,
PROP_INITIAL,
g_param_spec_boxed ("initial-value",
P_("Initial value"),
P_("The initial specified value used for this property"),
G_TYPE_VALUE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
klass->style_properties = g_ptr_array_new ();
}
static void
_gtk_css_style_property_init (GtkCssStyleProperty *style_property)
{
}
/**
* _gtk_css_style_property_get_n_properties:
*
* Gets the number of style properties. This number can increase when new
* theme engines are loaded. Shorthand properties are not included here.
*
* Returns: The number of style properties.
**/
guint
_gtk_css_style_property_get_n_properties (void)
{
GtkCssStylePropertyClass *klass;
klass = g_type_class_peek (GTK_TYPE_CSS_STYLE_PROPERTY);
return klass->style_properties->len;
}
/**
* _gtk_css_style_property_lookup_by_id:
* @id: the id of the property
*
* Gets the style property with the given id. All style properties (but not
* shorthand properties) are indexable by id so that it's easy to use arrays
* when doing style lookups.
*
* Returns: (transfer none): The style property with the given id
**/
GtkCssStyleProperty *
_gtk_css_style_property_lookup_by_id (guint id)
{
GtkCssStylePropertyClass *klass;
klass = g_type_class_peek (GTK_TYPE_CSS_STYLE_PROPERTY);
return g_ptr_array_index (klass->style_properties, id);
}
/**
* _gtk_css_style_property_is_inherit:
* @property: the property
*
* Queries if the given @property is inherited. See
* <ulink url="http://www.w3.org/TR/css3-cascade/#inheritance>
* the CSS documentation</ulink> for an explanation of this concept.
*
* Returns: %TRUE if the property is inherited by default.
**/
gboolean
_gtk_css_style_property_is_inherit (GtkCssStyleProperty *property)
{
g_return_val_if_fail (GTK_IS_CSS_STYLE_PROPERTY (property), 0);
return property->inherit;
}
/**
* _gtk_css_style_property_get_id:
* @property: the property
*
* Gets the id for the given property. IDs are used to allow using arrays
* for style lookups.
*
* Returns: The id of the property
**/
guint
_gtk_css_style_property_get_id (GtkCssStyleProperty *property)
{
g_return_val_if_fail (GTK_IS_CSS_STYLE_PROPERTY (property), 0);
return property->id;
}
/**
* _gtk_css_style_property_get_initial_value:
* @property: the property
*
* Queries the initial value of the given @property. See
* <ulink url="http://www.w3.org/TR/css3-cascade/#intial>
* the CSS documentation</ulink> for an explanation of this concept.
*
* Returns: a reference to the initial value. The value will never change.
**/
const GValue *
_gtk_css_style_property_get_initial_value (GtkCssStyleProperty *property)
{
g_return_val_if_fail (GTK_IS_CSS_STYLE_PROPERTY (property), NULL);
return &property->initial_value;
}
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