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.
Documentation 
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//! `List` — an ordered or unordered list of text items.

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

use crate::devtools::Probed;
use crate::icon::Glyph;
use crate::theme::{theme, Size};

/// A bulleted or numbered list.
#[derive(IntoElement)]
pub struct List {
  items: Vec<SharedString>,
  ordered: bool,
  size: Size,
  spacing: Size,
  /// Custom bullet glyph for unordered lists (defaults to a dot).
  icon: Option<Glyph>,
}

impl List {
  pub fn new() -> Self {
    List {
      items: Vec::new(),
      ordered: false,
      size: Size::Md,
      spacing: Size::Xs,
      icon: None,
    }
  }

  pub fn item(mut self, item: impl Into<SharedString>) -> Self {
    self.items.push(item.into());
    self
  }

  pub fn items<I, S>(mut self, items: I) -> Self
  where
    I: IntoIterator<Item = S>,
    S: Into<SharedString>,
  {
    self.items.extend(items.into_iter().map(Into::into));
    self
  }

  pub fn ordered(mut self, ordered: bool) -> Self {
    self.ordered = ordered;
    self
  }

  pub fn size(mut self, size: Size) -> Self {
    self.size = size;
    self
  }

  pub fn spacing(mut self, spacing: Size) -> Self {
    self.spacing = spacing;
    self
  }

  pub fn icon(mut self, icon: impl Into<Glyph>) -> Self {
    self.icon = Some(icon.into());
    self
  }
}

impl Default for List {
  fn default() -> Self {
    List::new()
  }
}

impl RenderOnce for List {
  fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
    let t = theme(cx);
    let font = t.font_size(self.size);
    let gap = t.spacing(self.spacing);
    let text = t.text().hsla();
    let marker = t.dimmed().hsla();
    let ordered = self.ordered;
    let icon = self.icon.clone();

    let rows = self.items.into_iter().enumerate().map(move |(i, item)| {
      let bullet: Glyph = if ordered {
        Glyph::from(format!("{}.", i + 1))
      } else if let Some(glyph) = icon.clone() {
        glyph
      } else {
        Glyph::from("\u{2022}")
      };
      div()
        .flex()
        .items_start()
        .gap(px(8.0))
        .text_size(px(font))
        .child(div().min_w(px(font * 1.2)).text_color(marker).child(bullet))
        .child(div().text_color(text).child(item))
    });

    div()
      .flex()
      .flex_col()
      .gap(px(gap))
      .children(rows)
      .probe("List")
  }
}