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
|
/*
* Copyright © 2012 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 "gtkcssimagebuiltinprivate.h"
G_DEFINE_TYPE (GtkCssImageBuiltin, gtk_css_image_builtin, GTK_TYPE_CSS_IMAGE)
static GtkCssImage *the_one_true_image;
static void
gtk_css_image_builtin_draw (GtkCssImage *image,
cairo_t *cr,
double width,
double height)
{
/* It's a builtin image, other code will draw things */
}
static gboolean
gtk_css_image_builtin_parse (GtkCssImage *image,
GtkCssParser *parser)
{
if (!_gtk_css_parser_try (parser, "builtin", TRUE))
{
_gtk_css_parser_error (parser, "Expected 'builtin'");
return FALSE;
}
return TRUE;
}
static void
gtk_css_image_builtin_print (GtkCssImage *image,
GString *string)
{
g_string_append (string, "builtin");
}
static GtkCssImage *
gtk_css_image_builtin_compute (GtkCssImage *image,
guint property_id,
GtkStyleProviderPrivate *provider,
int scale,
GtkCssComputedValues *values,
GtkCssComputedValues *parent_values,
GtkCssDependencies *dependencies)
{
return g_object_ref (image);
}
static gboolean
gtk_css_image_builtin_equal (GtkCssImage *image1,
GtkCssImage *image2)
{
return TRUE;
}
static GtkCssImage *
gtk_css_image_builtin_transition (GtkCssImage *start,
GtkCssImage *end,
guint property_id,
double progress)
{
/* builtin images always look the same, so start == end */
return g_object_ref (start);
}
static void
gtk_css_image_builtin_dispose (GObject *object)
{
if (the_one_true_image == GTK_CSS_IMAGE (object))
the_one_true_image = NULL;
G_OBJECT_CLASS (gtk_css_image_builtin_parent_class)->dispose (object);
}
static void
gtk_css_image_builtin_class_init (GtkCssImageBuiltinClass *klass)
{
GtkCssImageClass *image_class = GTK_CSS_IMAGE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
image_class->draw = gtk_css_image_builtin_draw;
image_class->parse = gtk_css_image_builtin_parse;
image_class->print = gtk_css_image_builtin_print;
image_class->compute = gtk_css_image_builtin_compute;
image_class->equal = gtk_css_image_builtin_equal;
image_class->transition = gtk_css_image_builtin_transition;
object_class->dispose = gtk_css_image_builtin_dispose;
}
static void
gtk_css_image_builtin_init (GtkCssImageBuiltin *builtin)
{
}
GtkCssImage *
gtk_css_image_builtin_new (void)
{
if (the_one_true_image == NULL)
the_one_true_image = g_object_new (GTK_TYPE_CSS_IMAGE_BUILTIN, NULL);
else
g_object_ref (the_one_true_image);
return the_one_true_image;
}
|
