Struct conrod::graph::algo::PickWidgets

pub struct PickWidgets {
    // some fields omitted
}

A node "walker" that yields all widgets under the given xy position in order from top to bottom.

Methods

impl PickWidgets

fn next_node_index(&mut self, graph: &Graph, depth_order: &[NodeIndex]) -> Option<NodeIndex>

The next NodeIndex under the xy location.

This is called within PickWidgets::next.

fn next(&mut self, graph: &Graph, depth_order: &[NodeIndex]) -> Option<Index>

The widget::Index of the next Widget under the xy location.

The Graph is traversed from the top down.

If the next widget is some graphic element of another widget, the graphic parent will be returned.

Trait Implementations

impl Clone for PickWidgets

fn clone(&self) -> PickWidgets

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.