bezel-markdown 0.2.18

A Notion-style block document model for gpui — markdown in, markdown out
Documentation 
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//! The washes behind transient find matches.

use gpui::{App, Global, Hsla};
use theme::Theme;

/// Returns `(match, current)` washes for the theme. Keep the current match
/// visibly stronger in both appearances.
pub type FindPaint = fn(theme: &Theme) -> (Hsla, Hsla);

struct Installed(FindPaint);

impl Global for Installed {}

/// Installs the find washes for editors and previews. Without it they use
/// [`default_find`]. Call again to replace the paint when preferences change.
pub(crate) fn set_find_paint(cx: &mut App, paint: FindPaint) {
    cx.set_global(Installed(paint));
}

/// `(match, current)` washes cut from `color`: 22% for matches and 48% for
/// the current match.
pub fn find_washes(color: Hsla) -> (Hsla, Hsla) {
    (color.opacity(0.22), color.opacity(0.48))
}

/// [`find_washes`] of the theme's accent.
pub fn default_find(theme: &Theme) -> (Hsla, Hsla) {
    find_washes(theme.accent)
}

pub(crate) fn find_paint_of(cx: &App) -> FindPaint {
    cx.try_global::<Installed>()
        .map_or(default_find, |installed| installed.0)
}