1/* GTK - The GIMP Toolkit
2 * Copyright (C) 2011 Benjamin Otte <otte@gnome.org>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include "config.h"
19
20#include "gtkcsslookupprivate.h"
21
22#include "gtkcssstylepropertyprivate.h"
23#include "gtkcsstypesprivate.h"
24#include "gtkprivatetypebuiltins.h"
25#include "gtkprivate.h"
26
27void
28_gtk_css_lookup_init (GtkCssLookup *lookup)
29{
30 memset (s: lookup, c: 0, n: sizeof (*lookup));
31
32 lookup->set_values = _gtk_bitmask_new ();
33}
34
35void
36_gtk_css_lookup_destroy (GtkCssLookup *lookup)
37{
38 _gtk_bitmask_free (mask: lookup->set_values);
39}
40
41gboolean
42_gtk_css_lookup_is_missing (const GtkCssLookup *lookup,
43 guint id)
44{
45 gtk_internal_return_val_if_fail (lookup != NULL, FALSE);
46
47 return !_gtk_bitmask_get (mask: lookup->set_values, index_: id);
48}
49
50/**
51 * _gtk_css_lookup_set:
52 * @lookup: the lookup
53 * @id: id of the property to set, see _gtk_style_property_get_id()
54 * @section: (nullable): The @section the value was defined in
55 * @value: the “cascading value” to use
56 *
57 * Sets the @value for a given @id. No value may have been set for @id
58 * before. See _gtk_css_lookup_is_missing(). This function is used to
59 * set the “winning declaration” of a lookup. Note that for performance
60 * reasons @value and @section are not copied. It is your responsibility
61 * to ensure they are kept alive until _gtk_css_lookup_free() is called.
62 **/
63void
64_gtk_css_lookup_set (GtkCssLookup *lookup,
65 guint id,
66 GtkCssSection *section,
67 GtkCssValue *value)
68{
69 gtk_internal_return_if_fail (lookup != NULL);
70 gtk_internal_return_if_fail (value != NULL);
71 gtk_internal_return_if_fail (lookup->values[id].value == NULL);
72
73 lookup->values[id].value = value;
74 lookup->values[id].section = section;
75 lookup->set_values = _gtk_bitmask_set (mask: lookup->set_values, index_: id, TRUE);
76}
77

source code of gtk/gtk/gtkcsslookup.c