pub type GtkTickCallback = Option<unsafe extern "C" fn(_: *mut GtkWidget, _: *mut GdkFrameClock, _: gpointer) -> gboolean>;
Aliased Type§
enum GtkTickCallback {
None,
Some(unsafe extern "C" fn(_: *mut GtkWidget, _: *mut GdkFrameClock, _: *mut c_void) -> i32),
}