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//! Kbd — port of `@heroui/kbd`.
use gpui::{px, AnyElement, App, IntoElement, ParentElement, Pixels, RenderOnce, Styled, Window};
use herogpui_theme::ActiveTheme;
/// Visual style of a key (`variant`).
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
pub enum KbdVariant {
/// Neutral key on the `bg-default` chip.
#[default]
Default,
/// Transparent key for inline prose.
Light,
}
impl KbdVariant {
pub const ALL: [KbdVariant; 2] = [KbdVariant::Default, KbdVariant::Light];
pub fn label(self) -> &'static str {
match self {
KbdVariant::Default => "Default",
KbdVariant::Light => "Light",
}
}
}
/// Keyboard key display (`<Kbd>`).
#[derive(IntoElement)]
pub struct Kbd {
variant: KbdVariant,
children: Vec<AnyElement>,
/// The corner radius, in place of `--radius-lg`.
radius: Option<Pixels>,
/// The `sx` slot, refined over the root style at the end of render.
sx: Option<Box<gpui::StyleRefinement>>,
}
impl Kbd {
pub fn new() -> Self {
Self {
variant: KbdVariant::Default,
children: Vec::new(),
radius: None,
sx: None,
}
}
pub fn variant(mut self, v: KbdVariant) -> Self {
self.variant = v;
self
}
/// The corner radius, in place of `--radius-lg`. Not a v3 prop; the
/// removed v2 `radius` prop is prohibited and this is a per-component
/// repository extension.
pub fn radius(mut self, radius: impl Into<Pixels>) -> Self {
self.radius = Some(radius.into());
self
}
/// The one slot for caller-owned low-level styling: GPUI's styling methods
/// (`bg`, `text_color`, `w`, `h`, `p`, `rounded`, `border_color`, …)
/// applied to the key's root element after every value the variant and the
/// active theme chose, so they win.
pub fn sx(mut self, style: impl FnOnce(gpui::Div) -> gpui::Div) -> Self {
self.sx = Some(crate::util::capture_sx(style));
self
}
}
impl Default for Kbd {
fn default() -> Self {
Self::new()
}
}
impl ParentElement for Kbd {
fn extend(&mut self, elements: impl IntoIterator<Item = AnyElement>) {
self.children.extend(elements);
}
}
impl RenderOnce for Kbd {
fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
let colors = cx.colors();
let (h, text) = (px(24.), px(14.));
let mut el = gpui::div()
.flex()
.items_center()
.justify_center()
.text_center()
.gap(px(2.))
.px(px(8.))
.h(h)
.rounded(self.radius.unwrap_or_else(|| crate::util::key_radius(cx)))
// Tailwind's `text-sm` pairs 14px with a 20px leading; gpui's phi
// default would give 14 x 1.618 ≈ 23px.
.text_size(text)
.line_height(px(20.))
.font_weight(gpui::FontWeight::MEDIUM)
.whitespace_nowrap()
.text_color(colors.muted);
el = match self.variant {
KbdVariant::Default => el.bg(colors.default.color),
KbdVariant::Light => el.bg(gpui::transparent_black()),
};
// `.kbd__content` is the key text itself; `.kbd__abbr` is the `<abbr>`
// v3 wraps it in for screen readers, which has no analogue here.
el = el.children(self.children);
el = crate::util::apply_sx(el, &self.sx);
el
}
}