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/* ATK - Accessibility Toolkit
* Copyright (C) 2009 Novell, 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 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "atk.h"
#include "atkplug.h"
/**
* AtkPlug:
* Toplevel for embedding into other processes
* See [class@AtkSocket]
static void atk_component_interface_init (AtkComponentIface *iface);
typedef struct
{
AtkObject *child;
} AtkPlugPrivate;
static gint AtkPlug_private_offset;
G_DEFINE_TYPE_WITH_CODE (AtkPlug, atk_plug, ATK_TYPE_OBJECT, G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, atk_component_interface_init) G_ADD_PRIVATE (AtkPlug))
static AtkObject *
atk_plug_ref_child (AtkObject *obj, int i)
AtkPlugPrivate *private = atk_plug_get_instance_private (ATK_PLUG (obj));
if (i != 0)
return NULL;
child = private->child;
if (child == NULL)
return g_object_ref (child);
}
static int
atk_plug_get_n_children (AtkObject *obj)
if (private->child == NULL)
return 0;
return 1;
static AtkStateSet *
atk_plug_ref_state_set (AtkObject *obj)
return atk_object_ref_state_set (child);
static void
atk_plug_init (AtkPlug *obj)
AtkObject *accessible = ATK_OBJECT (obj);
accessible->role = ATK_ROLE_FILLER;
accessible->layer = ATK_LAYER_WIDGET;
atk_plug_class_init (AtkPlugClass *klass)
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
if (AtkPlug_private_offset != 0)
g_type_class_adjust_private_offset (klass, &AtkPlug_private_offset);
klass->get_object_id = NULL;
class->get_n_children = atk_plug_get_n_children;
class->ref_child = atk_plug_ref_child;
class->ref_state_set = atk_plug_ref_state_set;
atk_component_interface_init (AtkComponentIface *iface)
* atk_plug_new:
* Creates a new #AtkPlug instance.
* Returns: (transfer full): the newly created #AtkPlug
* Since: 1.30
AtkObject *
atk_plug_new (void)
return g_object_new (ATK_TYPE_PLUG, NULL);
* atk_plug_set_child:
* @plug: an #AtkPlug to be set as accessible parent of @child.
* @child: an #AtkObject to be set as accessible child of @plug.
* Sets @child as accessible child of @plug and @plug as accessible parent of
* @child. @child can be NULL.
* In some cases, one can not use the AtkPlug type directly as accessible
* object for the toplevel widget of the application. For instance in the gtk
* case, GtkPlugAccessible can not inherit both from GtkWindowAccessible and
* from AtkPlug. In such a case, one can create, in addition to the standard
* accessible object for the toplevel widget, an AtkPlug object, and make the
* former the child of the latter by calling atk_plug_set_child().
* Since: 2.35.0
void
atk_plug_set_child (AtkPlug *plug, AtkObject *child)
AtkPlugPrivate *private = atk_plug_get_instance_private (plug);
if (private->child)
atk_object_set_parent (private->child, NULL);
private->child = child;
if (child)
atk_object_set_parent (child, ATK_OBJECT (plug));
* atk_plug_get_id:
* @plug: an #AtkPlug
* Gets the unique ID of an #AtkPlug object, which can be used to
* embed inside of an #AtkSocket using atk_socket_embed().
* Internally, this calls a class function that should be registered
* by the IPC layer (usually at-spi2-atk). The implementor of an
* #AtkPlug object should call this function (after atk-bridge is
* loaded) and pass the value to the process implementing the
* #AtkSocket, so it could embed the plug.
* Returns: the unique ID for the plug
**/
gchar *
atk_plug_get_id (AtkPlug *plug)
AtkPlugClass *klass;
g_return_val_if_fail (ATK_IS_PLUG (plug), NULL);
klass = g_type_class_peek (ATK_TYPE_PLUG);
if (klass && klass->get_object_id)
return (klass->get_object_id) (plug);
else