Struct DragDropContext 

pub struct DragDropContext {
    pub id: UiId,
    pub dragging: bool,
    pub payload: Option<DragPayload>,
    pub dropped: Option<(DragPayload, UiId)>,
    /* private fields */
}

Manages drag-and-drop interactions.

Fields

id: UiId

dragging: bool

payload: Option<DragPayload>

dropped: Option<(DragPayload, UiId)>

Implementations

impl DragDropContext

pub fn new(id: UiId) -> Self

pub fn begin_drag( &mut self, source_id: UiId, data: impl Into<String>, label: impl Into<String>, )

Begin a drag from source_id with data.

pub fn is_drop_target( &mut self, ctx: &UiContext, rect: Rect, accept: impl Fn(&DragPayload) -> bool, ) -> bool

Check if this drop target accepts the current drag; returns true if dropped.

pub fn update(&mut self, ctx: &UiContext)

pub fn draw_ghost(&self, ctx: &mut UiContext, style: &UiStyle)

Draw the drag ghost near the cursor.