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KeyOS API Reference

Touch

gui_server_api::touch

Struct Touch 

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pub struct Touch {
    pub kind: TouchKind,
    pub id: usize,
    pub x: usize,
    pub y: usize,
}

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§kind: TouchKind§id: usize§x: usize§y: usize

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impl Touch

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pub fn translate_pos(&self, origin_x: usize, origin_y: usize) -> Touch

Permission: not needed

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pub fn with_offset(&self, offset_x: i32, offset_y: i32) -> Touch

Permission: not needed

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pub fn is_within_area(&self, x: usize, y: usize, w: usize, h: usize) -> bool

Permission: not needed

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pub fn is_press(&self) -> bool

Permission: not needed

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pub fn is_drag(&self) -> bool

Permission: not needed

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pub fn is_release(&self) -> bool

Permission: not needed

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pub fn as_input_message(&self, msg_id: usize) -> Message

Permission: not needed

Used by gui-server to convert Touch message into InputMessage format for the use in GUI apps.

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pub fn try_from_input_message(msg: &Message) -> Option<Self>

Permission: not needed

To be used by GUI apps to parse an InputMessage from the gui-server’s receive_input().

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pub fn diff(&self, other: &Touch) -> (isize, isize)

Permission: not needed

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pub fn distance_to(&self, other: &Touch) -> f32

Permission: not needed

Calculate the distance between two touches.

Trait Implementations§

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impl AsScalar<4> for Touch

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fn as_scalar(&self) -> [u32; 4]

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impl Clone for Touch

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fn clone(&self) -> Touch

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Touch

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl FromScalar<4> for Touch

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fn from_scalar([kind, id, x, y]: [u32; 4]) -> Self

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impl Copy for Touch

Auto Trait Implementations§

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impl Freeze for Touch

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impl RefUnwindSafe for Touch

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impl Send for Touch

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impl Sync for Touch

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impl Unpin for Touch

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impl UnsafeUnpin for Touch

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impl UnwindSafe for Touch

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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impl<T> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> ScalarCodec for T
where T: FromScalar<4> + AsScalar<4>,

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impl<M> ScalarEvent for M
where M: ScalarCodec,