Trait rui::View

source · [−]
pub trait View: Sealed + 'static {
    fn print(&self, id: ViewId, cx: &mut Context);
    fn draw(&self, id: ViewId, cx: &mut Context, vger: &mut VGER);
    fn layout(
        &self, 
        id: ViewId, 
        sz: LocalSize, 
        cx: &mut Context, 
        vger: &mut VGER
    ) -> LocalSize;
    fn hittest(
        &self, 
        id: ViewId, 
        pt: LocalPoint, 
        cx: &mut Context, 
        vger: &mut VGER
    ) -> Option<ViewId>;

    fn tid(&self) -> TypeId { ... }
    fn process(
        &self, 
        _event: &Event, 
        _id: ViewId, 
        _cx: &mut Context, 
        _vger: &mut VGER
    ) { ... }
    fn dirty(
        &self, 
        _id: ViewId, 
        _xform: LocalToWorld, 
        _cx: &mut Context, 
        _region: &mut Region<WorldSpace>
    ) { ... }
    fn commands(
        &self, 
        _id: ViewId, 
        _cx: &mut Context, 
        _cmds: &mut Vec<CommandInfo>
    ) { ... }
    fn gc(&self, _id: ViewId, _cx: &mut Context, _map: &mut Vec<ViewId>) { ... }
    fn access(
        &self, 
        _id: ViewId, 
        _cx: &mut Context, 
        _nodes: &mut Vec<Node>
    ) -> Option<NodeId> { ... }
}
Expand description

Trait for the unit of UI composition.

Required Methods

Prints a description of the view for debugging.

Draws the view using vger.

Lays out subviews and return the size of the view.

Returns the topmost view which the point intersects.

Provided Methods

Returns the type ID of the underlying view.

Processes an event.

Determines dirty regions which need repainting.

Accumulates information about menu bar commands.

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

Implementors