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use crate::Event;
use crate::ScrollDirection;
#[cfg(any(feature = "v4_8", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v4_8")))]
use crate::ScrollUnit;
use glib::translate::*;
use glib::StaticType;
use std::fmt;
use std::mem;
glib::wrapper! {
#[doc(alias = "GdkScrollEvent")]
pub struct ScrollEvent(Shared<ffi::GdkScrollEvent>);
match fn {
ref => |ptr| ffi::gdk_event_ref(ptr as *mut ffi::GdkEvent),
unref => |ptr| ffi::gdk_event_unref(ptr as *mut ffi::GdkEvent),
}
}
impl glib::StaticType for ScrollEvent {
fn static_type() -> glib::Type {
unsafe { from_glib(ffi::gdk_scroll_event_get_type()) }
}
}
impl ScrollEvent {
#[doc(alias = "gdk_scroll_event_get_deltas")]
#[doc(alias = "get_deltas")]
pub fn deltas(&self) -> (f64, f64) {
unsafe {
let mut delta_x = mem::MaybeUninit::uninit();
let mut delta_y = mem::MaybeUninit::uninit();
ffi::gdk_scroll_event_get_deltas(
self.to_glib_none().0,
delta_x.as_mut_ptr(),
delta_y.as_mut_ptr(),
);
(delta_x.assume_init(), delta_y.assume_init())
}
}
#[doc(alias = "gdk_scroll_event_get_direction")]
#[doc(alias = "get_direction")]
pub fn direction(&self) -> ScrollDirection {
unsafe { from_glib(ffi::gdk_scroll_event_get_direction(self.to_glib_none().0)) }
}
#[cfg(any(feature = "v4_8", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v4_8")))]
#[doc(alias = "gdk_scroll_event_get_unit")]
#[doc(alias = "get_unit")]
pub fn unit(&self) -> ScrollUnit {
unsafe { from_glib(ffi::gdk_scroll_event_get_unit(self.to_glib_none().0)) }
}
#[doc(alias = "gdk_scroll_event_is_stop")]
pub fn is_stop(&self) -> bool {
unsafe { from_glib(ffi::gdk_scroll_event_is_stop(self.to_glib_none().0)) }
}
}
impl fmt::Display for ScrollEvent {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("ScrollEvent")
}
}