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DragDropManager

Struct DragDropManager 

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pub struct DragDropManager {
    pub active_drag: Option<DragContext>,
}
Expand description

Manager for drag-and-drop operations

DEPRECATED: Use GestureAndDragManager with DragContext instead. This type is kept for backwards compatibility only.

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§active_drag: Option<DragContext>

Currently active drag operation (using new unified system)

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impl DragDropManager

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pub fn new() -> Self

Create a new drag-drop manager

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pub fn start_node_drag(&mut self, source_node: DomNodeId)

Start a node drag operation

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pub fn start_file_drag(&mut self, file_path: AzString)

Start a file drag operation

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pub fn set_drop_target(&mut self, target: Option<DomNodeId>)

Update the current drop target

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pub fn end_drag(&mut self) -> Option<DragContext>

End the drag operation and return the final context

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pub fn is_dragging(&self) -> bool

Check if a drag operation is active

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pub fn is_dragging_node(&self) -> bool

Check if currently dragging a node

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pub fn is_dragging_file(&self) -> bool

Check if currently dragging a file

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pub fn get_drag_context(&self) -> Option<&DragContext>

Get the active drag context

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pub fn get_drag_state(&self) -> Option<DragState>

Get the active drag state (old API for backwards compatibility)

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pub fn cancel_drag(&mut self)

Cancel the current drag operation

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impl Clone for DragDropManager

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fn clone(&self) -> DragDropManager

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 DragDropManager

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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 Default for DragDropManager

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fn default() -> DragDropManager

Returns the “default value” for a type. Read more
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impl PartialEq for DragDropManager

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fn eq(&self, other: &DragDropManager) -> 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 StructuralPartialEq for DragDropManager

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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<G1, G2> Within<G2> for G1
where G2: Contains<G1>,

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fn is_within(&self, b: &G2) -> bool