Struct DockingPlugin 

pub struct DockingPlugin {
    pub drag_manager: DragManager,
    pub hovered_splitter: Option<NodeId>,
    pub drop_zone_detector: DropZoneDetector,
    pub cross_container_preview: Option<CrossContainerPreview>,
    pub docking_context: DockingContext,
    pub dock_animations: DockAnimationState,
    pub scrollbar_drag_node: Option<NodeId>,
}

Plugin providing docking widget types and cross-widget docking state.

Owns drag management, drop zone detection, animations, and the docking context (container registry cache).

Fields

drag_manager: DragManager

Manages drag state for splitter resizing and tab operations.

hovered_splitter: Option<NodeId>

Tracks which splitter separator is under the mouse.

drop_zone_detector: DropZoneDetector

Detects drop zones for tab drag operations.

cross_container_preview: Option<CrossContainerPreview>

Active cross-container drop preview state.

docking_context: DockingContext

Container registry cache for efficient drag lookups.

dock_animations: DockAnimationState

Animation state for ghost tabs, groups, and drop previews.

scrollbar_drag_node: Option<NodeId>

DockTabs node whose scrollbar thumb is being dragged.

Implementations

impl DockingPlugin

pub fn new() -> Self

Create a new docking plugin with default state.

pub fn invalidate_cache(&mut self)

Invalidate the docking container cache.

pub fn update_animations(&mut self, dt: f32) -> bool

Update all docking animations with the given delta time. Returns true if any animation is still active.

pub fn is_dragging(&self) -> bool

Check if there is an active drag operation.

pub fn invalidate_removed_nodes(&mut self, tree: &UiTree)

Invalidate any references to nodes that no longer exist.

Trait Implementations

impl Default for DockingPlugin

fn default() -> Self

Returns the “default value” for a type.

impl UiPlugin for DockingPlugin

fn name(&self) -> &str

Plugin name for debugging and logging.

fn register_widgets(&self, registry: &mut WidgetTypeRegistry)

Register widget type descriptors this plugin provides.

fn post_layout(&mut self, _tree: &mut UiTree)

Called after Taffy layout for custom post-processing.

fn update(&mut self, dt: f32, _tree: &mut UiTree)

Per-frame update (animations, state cleanup, etc.)

fn as_any(&self) -> &dyn Any

Downcast support — return self as &dyn Any.

fn as_any_mut(&mut self) -> &mut dyn Any

Downcast support — return self as &mut dyn Any.

fn handle_event( &mut self, _event: &UiInputEvent, _ctx: &mut PluginEventContext<'_>, ) -> bool

Handle a UI input event. Return true if consumed.