1 /* GTK+ - accessibility implementations
2 * Copyright 2011, F123 Consulting & Mais Diferenças
3 * Copyright 2001, 2002, 2003 Sun Microsystems Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
23 #include "gtkaccessibility.h"
24 #include "gtkaccessibilityutil.h"
25 #include "gtktoplevelaccessible.h"
27 static GSList *key_listener_list = NULL;
36 add_key_event_listener (AtkKeySnoopFunc listener_func,
37 gpointer listener_data)
40 KeyEventListener *listener;
44 listener = g_slice_new0 (KeyEventListener);
45 listener->func = listener_func;
46 listener->data = listener_data;
49 key_listener_list = g_slist_append (key_listener_list, listener);
55 remove_key_event_listener (guint listener_key)
59 for (l = key_listener_list; l; l = l->next)
61 KeyEventListener *listener = l->data;
63 if (listener->key == listener_key)
65 g_slice_free (KeyEventListener, listener);
66 key_listener_list = g_slist_delete_link (key_listener_list, l);
76 static AtkObject *root = NULL;
80 root = g_object_new (GTK_TYPE_TOPLEVEL_ACCESSIBLE, NULL);
81 atk_object_initialize (root, NULL);
88 get_toolkit_name (void)
94 get_toolkit_version (void)
100 _gtk_accessibility_override_atk_util (void)
102 AtkUtilClass *atk_class = ATK_UTIL_CLASS (g_type_class_ref (ATK_TYPE_UTIL));
104 atk_class->add_key_event_listener = add_key_event_listener;
105 atk_class->remove_key_event_listener = remove_key_event_listener;
106 atk_class->get_root = get_root;
107 atk_class->get_toolkit_name = get_toolkit_name;
108 atk_class->get_toolkit_version = get_toolkit_version;
112 atk_key_event_from_gdk_event_key (GdkEventKey *key,
113 AtkKeyEventStruct *event)
115 if (key->type == GDK_KEY_PRESS)
116 event->type = ATK_KEY_EVENT_PRESS;
117 else if (key->type == GDK_KEY_RELEASE)
118 event->type = ATK_KEY_EVENT_RELEASE;
120 g_assert_not_reached ();
122 event->state = key->state;
123 event->keyval = key->keyval;
124 event->length = key->length;
125 if (key->string && key->string[0] &&
126 (key->state & GDK_CONTROL_MASK ||
127 g_unichar_isgraph (g_utf8_get_char (key->string))))
128 event->string = key->string;
130 event->string = gdk_keyval_name (key->keyval);
132 event->keycode = key->hardware_keycode;
133 event->timestamp = key->time;
137 _gtk_accessibility_key_snooper (GtkWidget *widget,
141 AtkKeyEventStruct atk_event;
146 atk_key_event_from_gdk_event_key (event, &atk_event);
148 for (l = key_listener_list; l; l = l->next)
150 KeyEventListener *listener = l->data;
152 result |= listener->func (&atk_event, listener->data);