2 * Copyright © 2011 Red Hat Inc.
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 2.1 of the License, or (at your option) any later version.
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.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 * Authors: Benjamin Otte <otte@gnome.org>
23 #include "gtkcssshorthandpropertyprivate.h"
25 #include "gtkcssstylefuncsprivate.h"
26 #include "gtkcsstypesprivate.h"
28 #include "gtkprivatetypebuiltins.h"
35 G_DEFINE_TYPE (GtkCssShorthandProperty, _gtk_css_shorthand_property, GTK_TYPE_STYLE_PROPERTY)
38 gtk_css_shorthand_property_set_property (GObject *object,
43 GtkCssShorthandProperty *property = GTK_CSS_SHORTHAND_PROPERTY (object);
44 const char **subproperties;
49 case PROP_SUBPROPERTIES:
50 subproperties = g_value_get_boxed (value);
51 g_assert (subproperties);
52 for (i = 0; subproperties[i] != NULL; i++)
54 GtkStyleProperty *subproperty = _gtk_style_property_lookup (subproperties[i]);
55 g_assert (GTK_IS_CSS_STYLE_PROPERTY (subproperty));
56 g_ptr_array_add (property->subproperties, subproperty);
60 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
66 _gtk_css_shorthand_property_assign (GtkStyleProperty *property,
67 GtkStyleProperties *props,
71 GParameter *parameters;
72 guint i, n_parameters;
74 parameters = property->unpack_func (value, &n_parameters);
76 for (i = 0; i < n_parameters; i++)
78 _gtk_style_property_assign (_gtk_style_property_lookup (parameters[i].name),
81 ¶meters[i].value);
82 g_value_unset (¶meters[i].value);
88 _gtk_css_shorthand_property_query (GtkStyleProperty *property,
89 GtkStyleProperties *props,
91 GtkStylePropertyContext *context,
94 property->pack_func (value, props, state);
98 gtk_css_shorthand_property_parse_value (GtkStyleProperty *property,
100 GtkCssParser *parser,
103 GtkCssShorthandProperty *shorthand = GTK_CSS_SHORTHAND_PROPERTY (property);
107 array = g_value_array_new (shorthand->subproperties->len);
108 for (i = 0; i < shorthand->subproperties->len; i++)
109 g_value_array_append (array, NULL);
111 if (_gtk_css_parser_try (parser, "initial", TRUE))
113 /* the initial value can be explicitly specified with the
114 * ‘initial’ keyword which all properties accept.
116 for (i = 0; i < shorthand->subproperties->len; i++)
118 GValue *val = g_value_array_get_nth (array, i);
119 g_value_init (val, GTK_TYPE_CSS_SPECIAL_VALUE);
120 g_value_set_enum (val, GTK_CSS_INITIAL);
123 else if (_gtk_css_parser_try (parser, "inherit", TRUE))
125 /* All properties accept the ‘inherit’ value which
126 * explicitly specifies that the value will be determined
127 * by inheritance. The ‘inherit’ value can be used to
128 * strengthen inherited values in the cascade, and it can
129 * also be used on properties that are not normally inherited.
131 for (i = 0; i < shorthand->subproperties->len; i++)
133 GValue *val = g_value_array_get_nth (array, i);
134 g_value_init (val, GTK_TYPE_CSS_SPECIAL_VALUE);
135 g_value_set_enum (val, GTK_CSS_INHERIT);
138 else if (!shorthand->parse (shorthand, array->values, parser, base))
140 g_value_array_free (array);
144 /* All values that aren't set by the parse func are set to their
145 * default values here.
146 * XXX: Is the default always initial or can it be inherit? */
147 for (i = 0; i < shorthand->subproperties->len; i++)
149 GValue *val = g_value_array_get_nth (array, i);
150 if (G_IS_VALUE (val))
152 g_value_init (val, GTK_TYPE_CSS_SPECIAL_VALUE);
153 g_value_set_enum (val, GTK_CSS_INITIAL);
156 g_value_init (value, G_TYPE_VALUE_ARRAY);
157 g_value_set_boxed (value, array);
162 _gtk_css_shorthand_property_class_init (GtkCssShorthandPropertyClass *klass)
164 GObjectClass *object_class = G_OBJECT_CLASS (klass);
165 GtkStylePropertyClass *property_class = GTK_STYLE_PROPERTY_CLASS (klass);
167 object_class->set_property = gtk_css_shorthand_property_set_property;
169 g_object_class_install_property (object_class,
171 g_param_spec_boxed ("subproperties",
173 P_("The list of subproperties"),
175 G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
177 property_class->assign = _gtk_css_shorthand_property_assign;
178 property_class->query = _gtk_css_shorthand_property_query;
179 property_class->parse_value = gtk_css_shorthand_property_parse_value;
183 _gtk_css_shorthand_property_init (GtkCssShorthandProperty *shorthand)
185 shorthand->subproperties = g_ptr_array_new_with_free_func (g_object_unref);
188 GtkCssStyleProperty *
189 _gtk_css_shorthand_property_get_subproperty (GtkCssShorthandProperty *shorthand,
192 g_return_val_if_fail (GTK_IS_CSS_SHORTHAND_PROPERTY (shorthand), NULL);
193 g_return_val_if_fail (property < shorthand->subproperties->len, NULL);
195 return g_ptr_array_index (shorthand->subproperties, property);
199 _gtk_css_shorthand_property_get_n_subproperties (GtkCssShorthandProperty *shorthand)
201 g_return_val_if_fail (GTK_IS_CSS_SHORTHAND_PROPERTY (shorthand), 0);
203 return shorthand->subproperties->len;