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
|
/*
* Copyright © 2018 Benjamin Otte
*
* 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 "gtkpictureaccessibleprivate.h"
#include "gtkpicture.h"
struct _GtkPictureAccessible
{
GtkWidgetAccessible parent_instance;
};
struct _GtkPictureAccessibleClass
{
GtkWidgetAccessibleClass parent_class;
};
static const char *
gtk_picture_accessible_get_image_description (AtkImage *image)
{
GtkWidget* widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
if (widget == NULL)
return NULL;
return gtk_picture_get_alternative_text (GTK_PICTURE (widget));
}
static void
gtk_picture_accessible_get_image_position (AtkImage *image,
int *x,
int *y,
AtkCoordType coord_type)
{
atk_component_get_extents (ATK_COMPONENT (image), x, y, NULL, NULL,
coord_type);
}
static void
gtk_picture_accessible_get_image_size (AtkImage *image,
int *width,
int *height)
{
GtkWidget* widget;
GdkPaintable *paintable;
*width = -1;
*height = -1;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
if (widget == NULL)
return;
paintable = gtk_picture_get_paintable (GTK_PICTURE (widget));
if (paintable == NULL)
return;
*width = gdk_paintable_get_intrinsic_width (paintable);
if (*width == 0)
*width = -1;
*height = gdk_paintable_get_intrinsic_height (paintable);
if (*height == 0)
*height = -1;
}
static void
gtk_picture_accessible_image_init (AtkImageIface *iface)
{
iface->get_image_description = gtk_picture_accessible_get_image_description;
iface->get_image_position = gtk_picture_accessible_get_image_position;
iface->get_image_size = gtk_picture_accessible_get_image_size;
}
G_DEFINE_TYPE_WITH_CODE (GtkPictureAccessible, gtk_picture_accessible, GTK_TYPE_WIDGET_ACCESSIBLE,
G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, gtk_picture_accessible_image_init))
static void
gtk_picture_accessible_initialize (AtkObject *accessible,
gpointer data)
{
ATK_OBJECT_CLASS (gtk_picture_accessible_parent_class)->initialize (accessible, data);
accessible->role = ATK_ROLE_IMAGE;
}
static const char *
gtk_picture_accessible_get_name (AtkObject *accessible)
{
GtkWidget* widget;
const char *name;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
if (widget == NULL)
return NULL;
name = ATK_OBJECT_CLASS (gtk_picture_accessible_parent_class)->get_name (accessible);
if (name)
return name;
return gtk_picture_get_alternative_text (GTK_PICTURE (widget));
}
static void
gtk_picture_accessible_class_init (GtkPictureAccessibleClass *klass)
{
AtkObjectClass *atkobject_class = ATK_OBJECT_CLASS (klass);
atkobject_class->initialize = gtk_picture_accessible_initialize;
atkobject_class->get_name = gtk_picture_accessible_get_name;
}
static void
gtk_picture_accessible_init (GtkPictureAccessible *image)
{
}
|
