freya::prelude::reexports::winit::event

Struct Touch

pub struct Touch {
    pub device_id: DeviceId,
    pub phase: TouchPhase,
    pub location: PhysicalPosition<f64>,
    pub force: Option<Force>,
    pub id: u64,
}
Expand description

Represents a touch event

Every time the user touches the screen, a new TouchPhase::Started event with an unique identifier for the finger is generated. When the finger is lifted, an TouchPhase::Ended event is generated with the same finger id.

After a Started event has been emitted, there may be zero or more Move events when the finger is moved or the touch pressure changes.

The finger id may be reused by the system after an Ended event. The user should assume that a new Started event received with the same id has nothing to do with the old finger and is a new finger.

A TouchPhase::Cancelled event is emitted when the system has canceled tracking this touch, such as when the window loses focus, or on iOS if the user moves the device against their face.

§Platform-specific

Fields§

§device_id: DeviceId§phase: TouchPhase§location: PhysicalPosition<f64>§force: Option<Force>

Describes how hard the screen was pressed. May be None if the platform does not support pressure sensitivity.

§Platform-specific

  • Only available on iOS 9.0+, Windows 8+, Web, and Android.
  • Android: This will never be None. If the device doesn’t support pressure sensitivity, force will either be 0.0 or 1.0. Also see the android documentation.
§id: u64

Unique identifier of a finger.

Trait Implementations§

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impl Clone for Touch

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fn clone(&self) -> Touch

Returns a copy 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<(), Error>

Formats the value using the given formatter. Read more
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impl PartialEq for Touch

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fn eq(&self, other: &Touch) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for Touch

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impl StructuralPartialEq 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 UnwindSafe for Touch

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Gets the TypeId of self. Read more
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Immutably borrows from an owned value. Read more
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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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