ZacharyZhang-NY
1ac5c04fb0
i18n::SkipLink holds a Tab stop in flow at zero size, first where it sits, and while focused raises a pill over the page; Enter, Space or a press hands focus to its target. gpui orders stops by tab_index before paint and registers none for an invisible element, so the stop stays in flow and only the pill is raised. Theme::set_color_blind_safe swaps Ely's chart hues for a set fitted to stay apart under Machado's protanopia, deuteranopia and tritanopia; a test holds every pair 0.10 apart in Oklab and each hue 3:1 on its page, and red against green shows the measure bites. KeyboardNavigationHelper points to interaction::RovingFocus. The announcer, labels and screen-reader text stay blocked: gpui 0.2.2 has no accessibility tree, and nothing here is trusted to observe VoiceOver. The i18n tests move under src/i18n/tests.
102 lines
3.5 KiB
Rust
102 lines
3.5 KiB
Rust
use ely_gpui_component::{
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buttons::{Button, ButtonVariant},
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forms::Switch,
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i18n::SkipLink,
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theme::{ActiveTheme, HUE_NAMES, Radius, Theme},
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};
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use gpui::{
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App, ElementId, InteractiveElement, IntoElement, ParentElement, SharedString, Styled, Window,
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div, px,
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};
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use crate::probe::probe;
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use crate::ui::{blocked, section, specimen, specimens};
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const NAV: [&str; 5] = ["Home", "Docs", "Pricing", "Blog", "About"];
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pub fn skip_link(window: &mut Window, cx: &mut App) -> impl IntoElement + use<> {
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let main = window
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.use_keyed_state("skip-main", cx, |_, cx| cx.focus_handle())
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.read(cx)
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.clone();
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let theme = cx.theme();
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let nav = NAV.map(|name| {
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let id = ElementId::Name(SharedString::from(format!("skip-nav-{name}")));
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Button::new(id, name).variant(ButtonVariant::Ghost)
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});
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section(
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"SkipLink · KeyboardNavigationHelper",
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"A link that shows only while focused and moves focus past the nav to the main part: Tab into the card, then Enter. Arrows among a group's items live in interaction::RovingFocus.",
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cx,
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)
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.child(
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probe(
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"skip-demo",
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div()
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.max_w(px(480.0))
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.flex()
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.flex_col()
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.rounded(theme.radius(Radius::Lg))
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.border_1()
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.border_color(theme.colors.border)
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.child(SkipLink::new("skip", "Skip to content", &main))
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.child(
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div()
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.flex()
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.flex_wrap()
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.gap_1()
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.p_2()
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.border_b_1()
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.border_color(theme.colors.border)
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.children(nav),
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)
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.child(
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div()
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.track_focus(&main)
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.flex()
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.flex_col()
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.items_start()
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.gap_3()
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.p_4()
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.text_color(theme.colors.fg_muted)
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.child("The main part starts here.")
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.child(Button::new("skip-read", "Read the guide")),
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),
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),
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)
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.child(blocked(
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"LiveRegion / Announcer, AccessibleIcon, AriaLabel, ScreenReaderOnly: gpui 0.2.2 exposes no accessibility tree, so no label or live region reaches a screen reader.",
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cx,
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))
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}
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pub fn color_blind(cx: &App) -> impl IntoElement + use<> {
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let theme = cx.theme();
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let on = theme.color_blind_safe();
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let swatches = HUE_NAMES
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.iter()
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.zip(theme.colors.chart)
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.map(|(name, color)| {
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specimen(
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*name,
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div()
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.size(px(40.0))
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.rounded(theme.radius(Radius::Md))
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.bg(color),
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cx,
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)
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});
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section(
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"ColorBlindSafe Palette",
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"Ely's chart hues share one lightness, so protanopia, deuteranopia and tritanopia run some together. The safe hues differ in lightness too: every pair stays apart for each, and each is 3:1 on its page.",
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cx,
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)
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.child(probe(
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"color-blind",
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Switch::new("color-blind", on)
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.label("Color-blind safe charts")
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.on_change(|on, _, cx| Theme::set_color_blind_safe(on, cx)),
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))
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.child(specimens().gap_3().children(swatches))
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}
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