guise-ui 1.5.2

A component library for gpui, Zed's GPU-accelerated UI framework: a themed palette, sizing tokens, 130+ composable components, a reactive state layer, and an in-app Safari-style inspector.
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//! `Mark` — an inline highlighted span of text.
//!
//! ```ignore
//! Group::new()
//!     .gap(Size::Xs)
//!     .child(Text::new("Highlight the"))
//!     .child(Mark::new("important part"))
//!     .child(Text::new("of a sentence."))
//! ```

use gpui::prelude::*;
use gpui::{div, px, App, IntoElement, SharedString, Window};

use crate::devtools::Probed;
use crate::theme::{theme, ColorName, Size};

/// A highlighter-pen span.
///
/// Inherits the surrounding font size unless [`Mark::size`] is set, so it
/// drops into a `Group` next to `Text` runs.
#[derive(IntoElement)]
pub struct Mark {
  content: SharedString,
  color: ColorName,
  size: Option<Size>,
}

impl Mark {
  pub fn new(content: impl Into<SharedString>) -> Self {
    Mark {
      content: content.into(),
      color: ColorName::Yellow,
      size: None,
    }
  }

  /// The highlight tint (default `Yellow`).
  pub fn color(mut self, color: ColorName) -> Self {
    self.color = color;
    self
  }

  /// Explicit font size; unset inherits from the parent.
  pub fn size(mut self, size: Size) -> Self {
    self.size = Some(size);
    self
  }
}

impl RenderOnce for Mark {
  fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
    let t = theme(cx);
    // A light shade-2 wash in light mode, a translucent shade-5 tint in
    // dark mode; text stays the theme text color.
    let bg = if t.scheme.is_dark() {
      t.color(self.color, 5).alpha(0.35)
    } else {
      t.color(self.color, 2).hsla()
    };
    let fg = t.text().hsla();

    let mut el = div()
      .px(px(4.0))
      .rounded(px(t.radius(Size::Xs)))
      .bg(bg)
      .text_color(fg)
      .child(self.content);
    if let Some(size) = self.size {
      el = el.text_size(px(t.font_size(size)));
    }
    el.probe("Mark")
  }
}