vizia_core/modifiers/
accessibility.rs

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1use super::internal;
2use crate::prelude::*;
3
4/// Modifiers for changing the accessibility properties of a view.
5pub trait AccessibilityModifiers: internal::Modifiable {
6    /// Sets the accessibility role of the view.
7    fn role(mut self, role: Role) -> Self {
8        let id = self.entity();
9
10        self.context().style.role.insert(id, role);
11
12        self.context().style.needs_access_update(id);
13
14        self
15    }
16
17    /// Sets the accessibility name of the view.
18    fn name<U: ToStringLocalized>(mut self, name: impl Res<U>) -> Self {
19        let entity = self.entity();
20        let current = self.current();
21        self.context().with_current(current, move |cx| {
22            name.set_or_bind(cx, entity, move |cx, name| {
23                cx.style.name.insert(entity, name.get(cx).to_string_local(cx));
24                cx.style.needs_access_update(entity);
25            });
26        });
27
28        self
29    }
30
31    // /// Sets the accessibility default action for the view.
32    // fn default_action_verb(mut self, action_verb: DefaultActionVerb) -> Self {
33    //     let id = self.entity();
34
35    //     self.context().style.default_action_verb.insert(id, action_verb);
36    //     self.context().style.needs_access_update(id);
37
38    //     self
39    // }
40
41    /// Sets whether the view should act as an accessibility live region.
42    fn live(mut self, live: Live) -> Self {
43        let id = self.entity();
44
45        self.context().style.live.insert(id, live);
46        self.context().style.needs_access_update(id);
47
48        self
49    }
50
51    /// Sets whether the view should be hidden from accessibility.
52    fn hidden<U: Into<bool>>(mut self, hidden: impl Res<U>) -> Self {
53        let entity = self.entity();
54        let current = self.current();
55        self.context().with_current(current, |cx| {
56            hidden.set_or_bind(cx, entity, |cx, hidden| {
57                cx.style.hidden.insert(cx.current, hidden.get(cx).into());
58                cx.style.needs_access_update(cx.current);
59            });
60        });
61
62        self
63    }
64
65    /// Sets the accessibility numeric value for the view.
66    fn numeric_value<U: Into<f64>>(mut self, value: impl Res<U>) -> Self {
67        let entity = self.entity();
68        let current = self.current();
69        self.context().with_current(current, |cx| {
70            value.set_or_bind(cx, entity, |cx, val| {
71                let v = val.get(cx).into();
72
73                cx.style.numeric_value.insert(cx.current, v);
74                cx.style.needs_access_update(cx.current);
75            });
76        });
77
78        self
79    }
80
81    /// Sets the accessibility text value for the view.
82    fn text_value<U: ToStringLocalized>(mut self, value: impl Res<U>) -> Self {
83        let entity = self.entity();
84        let current = self.current();
85        self.context().with_current(current, |cx| {
86            value.set_or_bind(cx, entity, |cx, val| {
87                cx.style.text_value.insert(cx.current, val.get(cx).to_string_local(cx));
88                cx.style.needs_access_update(cx.current);
89            });
90        });
91
92        self
93    }
94}
95
96impl<V: View> AccessibilityModifiers for Handle<'_, V> {}
vizia_core/modifiers/accessibility.rs

vizia_core/modifiers/
accessibility.rs
