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 = _gtk_style_property_unpack (property, 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, context);
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 g_value_unset (value);
145 g_value_init (value, G_TYPE_VALUE_ARRAY);
146 g_value_set_boxed (value, array);
151 _gtk_css_shorthand_property_class_init (GtkCssShorthandPropertyClass *klass)
153 GObjectClass *object_class = G_OBJECT_CLASS (klass);
154 GtkStylePropertyClass *property_class = GTK_STYLE_PROPERTY_CLASS (klass);
156 object_class->set_property = gtk_css_shorthand_property_set_property;
158 g_object_class_install_property (object_class,
160 g_param_spec_boxed ("subproperties",
162 P_("The list of subproperties"),
164 G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
166 property_class->assign = _gtk_css_shorthand_property_assign;
167 property_class->query = _gtk_css_shorthand_property_query;
168 property_class->parse_value = gtk_css_shorthand_property_parse_value;
171 /* XXX: This function is compat only, don't read it */
173 gtk_css_shorthand_property_parse (GtkCssShorthandProperty *shorthand,
175 GtkCssParser *parser,
178 GtkStyleProperty *property = GTK_STYLE_PROPERTY (shorthand);
179 GParameter *parameters;
180 guint i, j, n_parameters;
182 GValue val = G_VALUE_INIT;
184 g_value_init (&val, _gtk_style_property_get_value_type (property));
185 if (property->parse_func)
187 if (!(* property->parse_func) (parser, base, &val))
189 g_value_unset (&val);
193 else if (!_gtk_css_style_parse_value (&val, parser, base))
195 g_value_unset (&val);
199 parameters = _gtk_style_property_unpack (property, &val, &n_parameters);
200 g_value_unset (&val);
202 for (i = 0; i < shorthand->subproperties->len; i++)
204 for (j = 0; j < n_parameters; j++)
206 if (GTK_STYLE_PROPERTY (_gtk_css_shorthand_property_get_subproperty (shorthand, i))
207 == _gtk_style_property_lookup (parameters[j].name))
209 g_value_init (&values[i], G_VALUE_TYPE (¶meters[j].value));
210 g_value_copy (¶meters[j].value, &values[i]);
211 g_value_unset (¶meters[j].value);
215 g_assert (j < n_parameters);
224 _gtk_css_shorthand_property_init (GtkCssShorthandProperty *shorthand)
226 shorthand->subproperties = g_ptr_array_new_with_free_func (g_object_unref);
228 shorthand->parse = gtk_css_shorthand_property_parse;
231 GtkCssStyleProperty *
232 _gtk_css_shorthand_property_get_subproperty (GtkCssShorthandProperty *shorthand,
235 g_return_val_if_fail (GTK_IS_CSS_SHORTHAND_PROPERTY (shorthand), NULL);
236 g_return_val_if_fail (property < shorthand->subproperties->len, NULL);
238 return g_ptr_array_index (shorthand->subproperties, property);
242 _gtk_css_shorthand_property_get_n_subproperties (GtkCssShorthandProperty *shorthand)
244 g_return_val_if_fail (GTK_IS_CSS_SHORTHAND_PROPERTY (shorthand), 0);
246 return shorthand->subproperties->len;