The type of callback function used for atk_component_add_focus_handler() and atk_component_remove_focus_handler()
Deprecated: This type is deprecated since ATK version 2.9.4. as atk_component_add_focus_handler() and atk_component_remove_focus_handler() are deprecated. See those methods for more information.
See Implementation
The type of callback function used for atk_component_add_focus_handler() and atk_component_remove_focus_handler()