[−][src]Struct drag_controller::DragController
Controls dragging.
Fields
drag: bool
Whether to drag or not.
pos: [f64; 2]
The current positon of dragging.
Implementations
impl DragController
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pub fn new() -> DragController
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Creates a new drag controller.
pub fn event<E: GenericEvent, F>(&mut self, e: &E, f: F) where
F: FnMut(Drag) -> bool,
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F: FnMut(Drag) -> bool,
Handles event.
Calls closure when events for dragging happen.
If the drag event callback returns false
, it will cancel dragging.
Trait Implementations
impl Clone for DragController
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fn clone(&self) -> DragController
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fn clone_from(&mut self, source: &Self)
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impl Copy for DragController
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Auto Trait Implementations
impl RefUnwindSafe for DragController
impl Send for DragController
impl Sync for DragController
impl Unpin for DragController
impl UnwindSafe for DragController
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,