Struct rui::Focus

pub struct Focus<F> { /* private fields */ }

Struct for the focus modifier.

Trait Implementations

impl<V, F> View for Focus<F>where V: View, F: Fn(bool) -> V + 'static,

fn process( &self, event: &Event, vid: ViewId, cx: &mut Context, actions: &mut Vec<Box<dyn Any>> )

Processes an event.

fn draw(&self, id: ViewId, args: &mut DrawArgs<'_>)

Draws the view using vger.

fn layout(&self, id: ViewId, args: &mut LayoutArgs<'_>) -> LocalSize

Lays out subviews and return the size of the view.

fn dirty(&self, id: ViewId, xform: LocalToWorld, cx: &mut Context)

Determines dirty regions which need repainting.

fn hittest( &self, id: ViewId, pt: LocalPoint, cx: &mut Context ) -> Option<ViewId>

Returns the topmost view which the point intersects.

fn commands(&self, id: ViewId, cx: &mut Context, cmds: &mut Vec<CommandInfo>)

Accumulates information about menu bar commands.

fn gc(&self, id: ViewId, cx: &mut Context, map: &mut Vec<ViewId>)

Gets IDs for state currently in use.

fn access( &self, id: ViewId, cx: &mut Context, nodes: &mut Vec<(NodeId, Node)> ) -> Option<NodeId>

Builds an AccessKit tree. The node ID for the subtree is returned. All generated nodes are accumulated.

fn is_flexible(&self) -> bool

For detecting flexible sized things in stacks.

fn tid(&self) -> TypeId

Returns the type ID of the underlying view.