pub unsafe extern "C" fn gst_navigation_event_new_touch_down(
identifier: c_uint,
x: c_double,
y: c_double,
pressure: c_double,
state: GstNavigationModifierType,
) -> *mut GstEvent
pub unsafe extern "C" fn gst_navigation_event_new_touch_down(
identifier: c_uint,
x: c_double,
y: c_double,
pressure: c_double,
state: GstNavigationModifierType,
) -> *mut GstEvent