ATK 提供了一套由其他工具集和应用程序实现的辅助功能接口。使用 ATK 接口，辅助工具能够完全地查看和控制运行中的应用程序。
新版本改进内容：
A new role ATK_ROLE_LEVEL_BAR has been added.
The API atk_document_get_locale() has been deprecated from AtkDocument.
The API atk_object_get_object_locale() has been added to AtkObject. atk_add_global_event_listener() has been expanded to support signal details.
Version information can now be queried.
Problems with the management of ATK_STATE_SELECTABLE/ATK_STATE_SELECTED states have been resolved in AtkObject.
Various minor bugs have been fixed.
Translations have been updated.
项目主页：https://developer.gnome.org/atk/
来自:开源中国社区
