Struct KeyboardDragManager 

pub struct KeyboardDragManager { /* private fields */ }

Manager for keyboard-driven drag operations.

Implementations

impl KeyboardDragManager

pub fn new(config: KeyboardDragConfig) -> Self

Create a new keyboard drag manager.

pub fn with_defaults() -> Self

Create with default configuration.

pub fn mode(&self) -> KeyboardDragMode

Get the current drag mode.

pub fn is_active(&self) -> bool

Check if a drag is active.

pub fn state(&self) -> Option<&KeyboardDragState>

Get the current drag state.

pub fn state_mut(&mut self) -> Option<&mut KeyboardDragState>

Get mutable access to the drag state.

pub fn start_drag(&mut self, source_id: WidgetId, payload: DragPayload) -> bool

Start a keyboard drag operation.

Returns true if the drag was started successfully. Returns false if a drag is already in progress.

pub fn navigate_targets<'a>( &mut self, direction: Direction, targets: &'a [DropTargetInfo], ) -> Option<&'a DropTargetInfo>

Navigate to the next drop target in the given direction.

Returns the newly selected target info if navigation succeeded.

pub fn select_target( &mut self, target_index: usize, targets: &[DropTargetInfo], ) -> bool

Navigate to a specific target by index.

pub fn complete_drag(&mut self) -> Option<(DragPayload, usize)>

Complete the drag operation (drop on selected target).

Returns None if no target is selected or no drag is active. Returns Some((payload, target_index)) with the payload and target index.

pub fn drop_on_target( &mut self, targets: &[DropTargetInfo], ) -> Option<KeyboardDropResult>

Complete the drag with a specific target and get the drop result info.

pub fn cancel_drag(&mut self) -> Option<DragPayload>

Cancel the current drag operation.

Returns the payload if a drag was active.

pub fn handle_key(&mut self, key: KeyboardDragKey) -> KeyboardDragAction

Handle key press during keyboard drag.

Returns KeyboardDragAction indicating what action was triggered.

pub fn tick(&mut self)

Advance animation state.

pub fn drain_announcements(&mut self) -> Vec<Announcement>

Get and clear pending announcements.

pub fn announcements(&self) -> &[Announcement]

Peek at pending announcements without clearing.

pub fn render_highlight( &self, targets: &[DropTargetInfo], frame: &mut Frame<'_>, )

Render the target highlight overlay.

Trait Implementations

impl Debug for KeyboardDragManager

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

Formats the value using the given formatter.