Struct DndDestination

pub struct DndDestination<'a, Message> { /* private fields */ }

Implementations

impl<'a, Message: 'static> DndDestination<'a, Message>

pub fn new( child: impl Into<Element<'a, Message>>, mimes: Vec<Cow<'static, str>>, ) -> Self

pub fn for_data<T: AllowedMimeTypes>( child: impl Into<Element<'a, Message>>, on_finish: impl Fn(Option<T>, DndAction) -> Message + 'static, ) -> Self

pub fn data_received_for<T: AllowedMimeTypes>( self, f: impl Fn(Option<T>) -> Message + 'static, ) -> Self

pub fn with_id( child: impl Into<Element<'a, Message>>, id: Id, mimes: Vec<Cow<'static, str>>, ) -> Self

pub fn drag_id(self, id: u64) -> Self

pub fn action(self, action: DndAction) -> Self

pub fn preferred_action(self, action: DndAction) -> Self

pub fn forward_drag_as_cursor(self, forward: bool) -> Self

pub fn on_hold(self, f: impl Fn(f64, f64) -> Message + 'static) -> Self

pub fn on_drop(self, f: impl Fn(f64, f64) -> Message + 'static) -> Self

pub fn on_enter( self, f: impl Fn(f64, f64, Vec<String>) -> Message + 'static, ) -> Self

pub fn on_leave(self, m: impl Fn() -> Message + 'static) -> Self

pub fn on_finish( self, f: impl Fn(String, Vec<u8>, DndAction, f64, f64) -> Message + 'static, ) -> Self

pub fn on_motion(self, f: impl Fn(f64, f64) -> Message + 'static) -> Self

pub fn on_action_selected( self, f: impl Fn(DndAction) -> Message + 'static, ) -> Self

pub fn on_data_received( self, f: impl Fn(String, Vec<u8>) -> Message + 'static, ) -> Self

pub fn get_drag_id(&self) -> u128

Returns the drag id of the destination.

Panics

Panics if the destination has been assigned a Set id, which is invalid.

Trait Implementations

impl<'a, Message: 'static> From<DndDestination<'a, Message>> for Element<'a, Message>

fn from(wrapper: DndDestination<'a, Message>) -> Self

Converts to this type from the input type.

impl<'a, Message: 'static> Widget<Message, Theme, Renderer> for DndDestination<'a, Message>

fn a11y_nodes(&self, layout: Layout<'_>, state: &Tree, p: Cursor) -> A11yTree

get the a11y nodes for the widget

fn children(&self) -> Vec<Tree>

Returns the state Tree of the children of the Widget.

fn tag(&self) -> Tag

Returns the Tag of the Widget.

fn diff(&mut self, tree: &mut Tree)

Reconciliates the Widget with the provided Tree.

fn state(&self) -> State

Returns the State of the Widget.

fn size(&self) -> Size<Length>

Returns the Size of the Widget in lengths.

fn layout(&self, tree: &mut Tree, renderer: &Renderer, limits: &Limits) -> Node

Returns the layout::Node of the Widget.

fn operate( &self, tree: &mut Tree, layout: Layout<'_>, renderer: &Renderer, operation: &mut dyn Operation<()>, )

Applies an Operation to the Widget.

fn on_event( &mut self, tree: &mut Tree, event: Event, layout: Layout<'_>, cursor: Cursor, renderer: &Renderer, clipboard: &mut dyn Clipboard, shell: &mut Shell<'_, Message>, viewport: &Rectangle, ) -> Status

Processes a runtime Event.

fn mouse_interaction( &self, tree: &Tree, layout: Layout<'_>, cursor_position: Cursor, viewport: &Rectangle, renderer: &Renderer, ) -> Interaction

Returns the current mouse::Interaction of the Widget.

fn draw( &self, tree: &Tree, renderer: &mut Renderer, theme: &Theme, renderer_style: &Style, layout: Layout<'_>, cursor_position: Cursor, viewport: &Rectangle, )

Draws the Widget using the associated Renderer.

fn overlay<'b>( &'b mut self, tree: &'b mut Tree, layout: Layout<'_>, renderer: &Renderer, translation: Vector, ) -> Option<Element<'b, Message, Theme, Renderer>>

Returns the overlay of the Widget, if there is any.

fn drag_destinations( &self, state: &Tree, layout: Layout<'_>, renderer: &Renderer, dnd_rectangles: &mut DndDestinationRectangles, )

Adds the drag destination rectangles of the widget. Runs after the layout phase for each widget in the tree.

fn id(&self) -> Option<Id>

Returns the id of the widget

fn set_id(&mut self, id: Id)

Sets the id of the widget This may be called while diffing the widget tree

fn size_hint(&self) -> Size<Length>

Returns a Size hint for laying out the Widget.