gtk2/gtk/gtkcssunsetvalue.c
Benjamin Otte 83fb7a649f css: Merge GtkStyleProviderPrivate into GtkStyleProvider
This is just lots of renaming.

The interface remains private, so the public API does not change, apart
from removing the definition of the Interface object to avoid
subclassing.
2017-10-31 04:33:54 +01:00

99 lines
2.8 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2014 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 "gtkcssunsetvalueprivate.h"
#include "gtkcssinheritvalueprivate.h"
#include "gtkcssinitialvalueprivate.h"
#include "gtkcssstylepropertyprivate.h"
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
};
static void
gtk_css_value_unset_free (GtkCssValue *value)
{
/* Can only happen if the unique value gets unreffed too often */
g_assert_not_reached ();
}
static GtkCssValue *
gtk_css_value_unset_compute (GtkCssValue *value,
guint property_id,
GtkStyleProvider *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
GtkCssStyleProperty *property;
GtkCssValue *unset_value;
property = _gtk_css_style_property_lookup_by_id (property_id);
if (_gtk_css_style_property_is_inherit (property))
unset_value = _gtk_css_inherit_value_get ();
else
unset_value = _gtk_css_initial_value_get ();
return _gtk_css_value_compute (unset_value,
property_id,
provider,
style,
parent_style);
}
static gboolean
gtk_css_value_unset_equal (const GtkCssValue *value1,
const GtkCssValue *value2)
{
return TRUE;
}
static GtkCssValue *
gtk_css_value_unset_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
return NULL;
}
static void
gtk_css_value_unset_print (const GtkCssValue *value,
GString *string)
{
g_string_append (string, "unset");
}
static const GtkCssValueClass GTK_CSS_VALUE_UNSET = {
gtk_css_value_unset_free,
gtk_css_value_unset_compute,
gtk_css_value_unset_equal,
gtk_css_value_unset_transition,
gtk_css_value_unset_print
};
static GtkCssValue unset = { &GTK_CSS_VALUE_UNSET, 1 };
GtkCssValue *
_gtk_css_unset_value_new (void)
{
return _gtk_css_value_ref (&unset);
}