Type Alias GSignalEmissionHook

pub type GSignalEmissionHook = Option<unsafe extern "C" fn(*mut GSignalInvocationHint, c_uint, *const GValue, gpointer) -> gboolean>;

Aliased Type

enum GSignalEmissionHook {
    None,
    Some(unsafe extern "C" fn(_: *mut GSignalInvocationHint, _: u32, _: *const GValue, _: *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut GSignalInvocationHint, _: u32, _: *const GValue, _: *mut c_void) -> i32)

Some value of type T.