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FileDropPhase

Enum FileDropPhase 

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pub enum FileDropPhase {
    Hover,
    Drop,
    Cancel,
    Ended,
}
Expand description

The phase of a desktop OS file drag entering, hovering over, dropping on, or leaving the window — see InputEvent::FileDrop.

A shell publishes only the first three. Ended is the root’s own broadcast follow-up to every Drop/Cancel, handled or not — see FileDropEvent’s Broadcast follow-up section.

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Hover

The drag is hovering the window — it just entered, or moved while still over it. Carries no paths; see FileDropEvent::paths.

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Drop

The files were released over the window. Carries every dropped path.

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Cancel

The drag left the window, or the OS otherwise called it off, without a drop. Carries no paths.

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Ended

Broadcast-only, never sent by a shell: the OS drag is over — a Drop or Cancel was just dispatched hit-tested, whether or not a widget handled it — so crate::app::RenderRoot::event re-dispatches this phase to every widget. Carries no paths and no meaningful position (Point::ZERO, never translated). A widget holding state the drag opened (a drop target’s external drag session) ends whatever of it is still open here, so a release over a region nothing handles — or over a widget other than the one whose state the drag opened — still ends the drag everywhere.

Trait Implementations§

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impl Clone for FileDropPhase

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for FileDropPhase

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impl Debug for FileDropPhase

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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 Eq for FileDropPhase

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impl PartialEq for FileDropPhase

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for FileDropPhase

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

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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)
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fn equivalent(&self, key: &K) -> bool

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> StorageAccess<T> for T

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fn as_borrowed(&self) -> &T

Borrows the value.
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fn into_taken(self) -> T

Takes the value.
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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

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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
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type Error = !

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

Performs the conversion.
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impl<T, U> TryInto<U> for T
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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.