Function
GObjectsignal_override_class_handler
since: 2.18
Declaration
void
g_signal_override_class_handler (
const gchar* signal_name,
GType instance_type,
GCallback class_handler
)
Description
Overrides the class closure (i.e. the default handler) for the
given signal for emissions on instances of instance_type with
callback class_handler. instance_type must be derived from the
type to which the signal belongs.
See g_signal_chain_from_overridden() and
g_signal_chain_from_overridden_handler() for how to chain up to the
parent class closure from inside the overridden one.
Available since: 2.18
Parameters
signal_name-
Type:
const gchar*The name for the signal.
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string. instance_type-
Type:
GTypeThe instance type on which to override the class handler for the signal.
class_handler-
Type:
GCallbackThe handler.