1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* Copyright © 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 2.1 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/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "gtkcssshorthandpropertyprivate.h"
#include "gtkcssstylefuncsprivate.h"
#include "gtkcsstypesprivate.h"
#include "gtkintl.h"
#include "gtkprivatetypebuiltins.h"
enum {
PROP_0,
PROP_SUBPROPERTIES,
};
G_DEFINE_TYPE (GtkCssShorthandProperty, _gtk_css_shorthand_property, GTK_TYPE_STYLE_PROPERTY)
static void
gtk_css_shorthand_property_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkCssShorthandProperty *property = GTK_CSS_SHORTHAND_PROPERTY (object);
const char **subproperties;
guint i;
switch (prop_id)
{
case PROP_SUBPROPERTIES:
subproperties = g_value_get_boxed (value);
g_assert (subproperties);
for (i = 0; subproperties[i] != NULL; i++)
{
GtkStyleProperty *subproperty = _gtk_style_property_lookup (subproperties[i]);
g_assert (GTK_IS_CSS_STYLE_PROPERTY (subproperty));
g_ptr_array_add (property->subproperties, subproperty);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
_gtk_css_shorthand_property_assign (GtkStyleProperty *property,
GtkStyleProperties *props,
GtkStateFlags state,
const GValue *value)
{
GtkCssShorthandProperty *shorthand = GTK_CSS_SHORTHAND_PROPERTY (property);
shorthand->assign (shorthand, props, state, value);
}
static void
_gtk_css_shorthand_property_query (GtkStyleProperty *property,
GValue *value,
GtkStyleQueryFunc query_func,
gpointer query_data)
{
GtkCssShorthandProperty *shorthand = GTK_CSS_SHORTHAND_PROPERTY (property);
shorthand->query (shorthand, value, query_func, query_data);
}
static void
gtk_css_shorthand_property_unset_value (gpointer value)
{
if (G_IS_VALUE (value))
g_value_unset (value);
}
static gboolean
gtk_css_shorthand_property_parse_value (GtkStyleProperty *property,
GValue *value,
GtkCssParser *parser,
GFile *base)
{
GtkCssShorthandProperty *shorthand = GTK_CSS_SHORTHAND_PROPERTY (property);
GArray *array;
guint i;
array = g_array_new (FALSE, TRUE, sizeof (GValue));
g_array_set_clear_func (array, gtk_css_shorthand_property_unset_value);
g_array_set_size (array, shorthand->subproperties->len);
if (_gtk_css_parser_try (parser, "initial", TRUE))
{
/* the initial value can be explicitly specified with the
* ‘initial’ keyword which all properties accept.
*/
for (i = 0; i < shorthand->subproperties->len; i++)
{
GValue *val = &g_array_index (array, GValue, i);
g_value_init (val, GTK_TYPE_CSS_SPECIAL_VALUE);
g_value_set_enum (val, GTK_CSS_INITIAL);
}
}
else if (_gtk_css_parser_try (parser, "inherit", TRUE))
{
/* All properties accept the ‘inherit’ value which
* explicitly specifies that the value will be determined
* by inheritance. The ‘inherit’ value can be used to
* strengthen inherited values in the cascade, and it can
* also be used on properties that are not normally inherited.
*/
for (i = 0; i < shorthand->subproperties->len; i++)
{
GValue *val = &g_array_index (array, GValue, i);
g_value_init (val, GTK_TYPE_CSS_SPECIAL_VALUE);
g_value_set_enum (val, GTK_CSS_INHERIT);
}
}
else if (!shorthand->parse (shorthand, (GValue *) array->data, parser, base))
{
g_array_free (array, TRUE);
return FALSE;
}
/* All values that aren't set by the parse func are set to their
* default values here.
* XXX: Is the default always initial or can it be inherit? */
for (i = 0; i < shorthand->subproperties->len; i++)
{
GValue *val = &g_array_index (array, GValue, i);
if (G_IS_VALUE (val))
continue;
g_value_init (val, GTK_TYPE_CSS_SPECIAL_VALUE);
g_value_set_enum (val, GTK_CSS_INITIAL);
}
g_value_init (value, G_TYPE_ARRAY);
g_value_take_boxed (value, array);
return TRUE;
}
static void
_gtk_css_shorthand_property_class_init (GtkCssShorthandPropertyClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkStylePropertyClass *property_class = GTK_STYLE_PROPERTY_CLASS (klass);
object_class->set_property = gtk_css_shorthand_property_set_property;
g_object_class_install_property (object_class,
PROP_SUBPROPERTIES,
g_param_spec_boxed ("subproperties",
P_("Subproperties"),
P_("The list of subproperties"),
G_TYPE_STRV,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
property_class->assign = _gtk_css_shorthand_property_assign;
property_class->query = _gtk_css_shorthand_property_query;
property_class->parse_value = gtk_css_shorthand_property_parse_value;
}
static void
_gtk_css_shorthand_property_init (GtkCssShorthandProperty *shorthand)
{
shorthand->subproperties = g_ptr_array_new_with_free_func (g_object_unref);
}
GtkCssStyleProperty *
_gtk_css_shorthand_property_get_subproperty (GtkCssShorthandProperty *shorthand,
guint property)
{
g_return_val_if_fail (GTK_IS_CSS_SHORTHAND_PROPERTY (shorthand), NULL);
g_return_val_if_fail (property < shorthand->subproperties->len, NULL);
return g_ptr_array_index (shorthand->subproperties, property);
}
guint
_gtk_css_shorthand_property_get_n_subproperties (GtkCssShorthandProperty *shorthand)
{
g_return_val_if_fail (GTK_IS_CSS_SHORTHAND_PROPERTY (shorthand), 0);
return shorthand->subproperties->len;
}
|
