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
|
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* eel-accessibility.h - Utility functions for accessibility
Copyright (C) 2002 Anders Carlsson
The Eel Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Eel 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Eel Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
Authors: Anders Carlsson <andersca@gnu.org>
*/
#ifndef EEL_ACCESSIBILITY_H
#define EEL_ACCESSIBILITY_H
#include <glib-object.h>
#include <atk/atkobject.h>
#include <atk/atkregistry.h>
#include <atk/atkobjectfactory.h>
#include <gtk/gtk.h>
#include <libgail-util/gailtextutil.h>
void eel_accessibility_set_up_label_widget_relation (GtkWidget *label, GtkWidget *widget);
typedef void (*EelAccessibilityClassInitFn) (AtkObjectClass *klass);
AtkObject *eel_accessibility_get_atk_object (gpointer object);
AtkObject *eel_accessibility_for_object (gpointer object);
gpointer eel_accessibility_get_gobject (AtkObject *object);
#if !GTK_CHECK_VERSION(3, 0, 0)
AtkObject *eel_accessibility_set_atk_object_return (gpointer object,
AtkObject *atk_object);
GType eel_accessibility_create_derived_type (const char *type_name,
GType existing_gobject_with_proxy,
EelAccessibilityClassInitFn class_init);
#endif
void eel_accessibility_set_name (gpointer object,
const char *name);
void eel_accessibility_set_description (gpointer object,
const char *description);
char* eel_accessibility_text_get_text (AtkText *text,
gint start_pos,
gint end_pos);
gunichar eel_accessibility_text_get_character_at_offset
(AtkText *text,
gint offset);
char* eel_accessibility_text_get_text_before_offset
(AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset);
char* eel_accessibility_text_get_text_at_offset
(AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset);
char* eel_accessibility_text_get_text_after_offset
(AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset);
gint eel_accessibility_text_get_character_count
(AtkText *text);
#define EEL_TYPE_ACCESSIBLE_TEXT (eel_accessible_text_get_type ())
#define EEL_IS_ACCESSIBLE_TEXT(obj) G_TYPE_CHECK_INSTANCE_TYPE ((obj), EEL_TYPE_ACCESSIBLE_TEXT)
#define EEL_ACCESSIBLE_TEXT(obj) G_TYPE_CHECK_INSTANCE_CAST ((obj), EEL_TYPE_ACCESSIBLE_TEXT, EelAccessibleText)
#define EEL_ACCESSIBLE_TEXT_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), EEL_TYPE_ACCESSIBLE_TEXT, EelAccessibleTextIface))
/* Instead of implementing the AtkText interface, implement this */
typedef struct _EelAccessibleText EelAccessibleText;
typedef struct
{
GTypeInterface parent;
GailTextUtil *(*get_text) (GObject *text);
PangoLayout *(*get_layout) (GObject *text);
} EelAccessibleTextIface;
GType eel_accessible_text_get_type (void);
void eel_accessibility_add_simple_text (GType type);
/* From gail - should be unneccessary when AtkObjectFactory is fixed */
#define EEL_ACCESSIBLE_FACTORY(type, factory_name, type_as_function, opt_create_accessible) \
\
static GType \
type_as_function ## _factory_get_accessible_type (void) \
{ \
return type; \
} \
\
static AtkObject* \
type_as_function ## _factory_create_accessible (GObject *obj) \
{ \
AtkObject *accessible; \
\
g_assert (G_IS_OBJECT (obj)); \
\
accessible = opt_create_accessible (obj); \
\
return accessible; \
} \
\
static void \
type_as_function ## _factory_class_init (AtkObjectFactoryClass *klass) \
{ \
klass->create_accessible = type_as_function ## _factory_create_accessible; \
klass->get_accessible_type = type_as_function ## _factory_get_accessible_type;\
} \
\
static GType \
type_as_function ## _factory_get_type (void) \
{ \
static GType t = 0; \
\
if (!t) \
{ \
static const GTypeInfo tinfo = \
{ \
sizeof (AtkObjectFactoryClass), \
NULL, NULL, (GClassInitFunc) type_as_function ## _factory_class_init, \
NULL, NULL, sizeof (AtkObjectFactory), 0, NULL, NULL \
}; \
\
t = g_type_register_static ( \
ATK_TYPE_OBJECT_FACTORY, factory_name, &tinfo, 0); \
} \
\
return t; \
}
#define EEL_OBJECT_SET_FACTORY(object_type, type_as_function) \
atk_registry_set_factory_type (atk_get_default_registry (), \
object_type, \
type_as_function ## _factory_get_type ())
#endif /* EEL_ACCESSIBILITY_H */
|
