Struct Children

Source

pub struct Children<'tree, 'bp>(/* private fields */);

Implementations§

Source §

impl<'tree, 'bp> Children<'tree, 'bp>

Source

pub fn new( children: TreeView<'tree, WidgetContainer<'bp>>, attribute_storage: &'tree mut AttributeStorage<'bp>, needs_layout: &'tree mut bool, ) -> Children<'tree, 'bp>

Source

pub fn elements(&mut self) -> Elements<'_, 'tree, 'bp>

Examples found in repository ?

examples/buttons.rs (line 65)

57    fn on_mouse(
58        &mut self,
59        mouse: MouseEvent,
60        _: &mut Self::State,
61        mut children: Children<'_, '_>,
62        mut context: Context<'_, '_, Self::State>,
63    ) {
64        let pos = mouse.pos();
65        children.elements().at_position(pos).first(|_, _| {
66            if mouse.left_down() {
67                context.publish("click", ());
68
69                let id = context.attributes.get_as::<i64>("id").unwrap();
70                context.components.by_attribute("id", id).focus();
71            }
72        });
73    }

More examples

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examples/message-passing.rs (line 23)

14    fn on_mouse(
15        &mut self,
16        mouse: MouseEvent,
17        _: &mut Self::State,
18        mut children: Children<'_, '_>,
19        mut context: Context<'_, '_, Self::State>,
20    ) {
21        if mouse.left_down() {
22            children
23                .elements()
24                .at_position(mouse.pos())
25                .by_attribute("id", "button")
26                .first(|_, attr| {
27                    let Some(value) = attr.get_as::<&str>("id").map(|s| s.to_string()) else { return };
28                    context.components.by_name("messages").send(value);
29                });
30        }
31    }