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/* GTK - The GIMP Toolkit
* Copyright (C) 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 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkcssinheritvalueprivate.h"
#include "gtkcssinitialvalueprivate.h"
#include "gtkcssstyleprivate.h"
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
};
static void G_GNUC_NORETURN
gtk_css_value_inherit_free (GtkCssValue *value)
{
/* Can only happen if the unique value gets unreffed too often */
g_assert_not_reached ();
}
static GtkCssValue *
gtk_css_value_inherit_compute (GtkCssValue *value,
guint property_id,
GtkCssComputeContext *context)
{
if (context->parent_style)
{
return gtk_css_value_ref (gtk_css_style_get_value (context->parent_style, property_id));
}
else
{
return gtk_css_value_compute (_gtk_css_initial_value_get (),
property_id,
context);
}
}
static gboolean
gtk_css_value_inherit_equal (const GtkCssValue *value1,
const GtkCssValue *value2)
{
return TRUE;
}
static GtkCssValue *
gtk_css_value_inherit_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
return NULL;
}
static void
gtk_css_value_inherit_print (const GtkCssValue *value,
GString *string)
{
g_string_append (string, "inherit");
}
static const GtkCssValueClass GTK_CSS_VALUE_INHERIT = {
"GtkCssInheritValue",
gtk_css_value_inherit_free,
gtk_css_value_inherit_compute,
NULL,
gtk_css_value_inherit_equal,
gtk_css_value_inherit_transition,
NULL,
NULL,
gtk_css_value_inherit_print
};
static GtkCssValue inherit = { >K_CSS_VALUE_INHERIT, 1 };
GtkCssValue *
_gtk_css_inherit_value_new (void)
{
return gtk_css_value_ref (&inherit);
}
GtkCssValue *
_gtk_css_inherit_value_get (void)
{
return &inherit;
}
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