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Mouse grab in rust

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This commit is contained in:
Olivier Goffart 2020-08-07 12:54:58 +02:00
parent 5aa7ee86fe
commit 0a56912d0f
9 changed files with 263 additions and 139 deletions
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3
helper_crates/vtable/src/lib.rs
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@ -460,6 +460,7 @@ impl<Base, T: ?Sized + VTableMeta, Flag> VOffset<Base, T, Flag> {
}
}
#[inline]
pub fn new<X: HasStaticVTable<T>>(o: FieldOffset<Base, X, Flag>) -> Self {
Self { vtable: X::static_vtable(), offset: o.get_byte_offset(), phantom: PhantomData }
}
@ -467,12 +468,14 @@ impl<Base, T: ?Sized + VTableMeta, Flag> VOffset<Base, T, Flag> {
/// Create a new VOffset from raw data
///
/// Safety: there must be a field that matches the vtable at offset T in base
#[inline]
pub unsafe fn from_raw(vtable: &'static T::VTable, offset: usize) -> Self {
Self { vtable, offset, phantom: PhantomData }
}
}
impl<Base, T: ?Sized + VTableMeta> VOffset<Base, T, PinnedFlag> {
#[inline]
pub fn apply_pin<'a>(self, x: Pin<&'a Base>) -> Pin<VRef<'a, T>> {
let ptr = x.get_ref() as *const Base as *mut u8;
unsafe {