PointerEvent

Enum PointerEvent 

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pub enum PointerEvent {
    Down(PointerButtonEvent),
    Up(PointerButtonEvent),
    Move(PointerUpdate),
    Cancel(PointerInfo),
    Enter(PointerInfo),
    Leave(PointerInfo),
    Scroll(PointerScrollEvent),
    Gesture(PointerGestureEvent),
}
Expand description

A standard PointerEvent.

This is intentionally limited to standard pointer events, and it is expected that applications and frameworks that support more event types will use this as a base and add what they need in a conversion.

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Down(PointerButtonEvent)

A PointerButton was pressed.

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Up(PointerButtonEvent)

A PointerButton was released.

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Move(PointerUpdate)

Pointer moved.

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Cancel(PointerInfo)

Pointer motion was cancelled.

Usually this is a touch which was taken over somewhere else. You should try to undo the effect of the gesture when you receive this.

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Enter(PointerInfo)

Pointer entered the area that receives this event.

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Leave(PointerInfo)

Pointer left the area that receives these events.

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Scroll(PointerScrollEvent)

A scroll was requested at the pointer location.

Usually this is caused by a mouse wheel or a touchpad.

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Gesture(PointerGestureEvent)

Gesture at pointer.

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impl PointerEvent

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pub fn is_primary_pointer(&self) -> bool

Returns true if this event is for the primary pointer.

Trait Implementations§

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impl Clone for PointerEvent

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fn clone(&self) -> PointerEvent

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 PointerEvent

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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> 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> 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.